/* ==================== 字体导入 ==================== */
@import url('../font/HLJHG.css');

/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* 背景主题提示动画 */
@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 加载动画 - 淡入 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 加载动画 - 旋转 */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 加载动画 - 脉冲 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* Hero文字渐进动画 - 从下往上淡入 */
@keyframes slideUpFadeIn {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 背景图片缩放动画 */
@keyframes slowZoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

/* 懒加载板块 - 初始隐藏，减少首屏渲染 */
.lazy-section {
    content-visibility: auto;
    contain-intrinsic-size: 800px;
}

/* 使用现代CSS优化渲染性能 */
.lazy-section:not(.loaded) {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.lazy-section.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 移动端触摸优化 */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .project-card,
    .service-card,
    .stat-card,
    .back-to-top {
        -webkit-tap-highlight-color: rgba(212, 175, 55, 0.2);
    }
}

/* 折叠屏折痕区域优化 */
@supports (env(fold-left)) {
    .container {
        padding-left: max(15px, env(fold-left));
        padding-right: max(15px, env(fold-right));
    }
}

/* 避免重要内容出现在折痕区域 */
@media (min-width: 800px) and (max-width: 900px) {
    .hero-content,
    .section-header,
    .modal-content {
        padding-left: 40px;
        padding-right: 40px;
    }
}

:root {
    /* 主色调：深灰 + 藏青 + 金色 */
    --primary-dark: #1a2332;
    --secondary-dark: #2c3e50;
    --accent-gold: #d4af37;
    --accent-gold-light: #f0d98d;
    --text-light: #ffffff;
    --text-gray: #b0b0b0;
    --bg-dark: #0f1419;
    --bg-section: #f8f9fa;
    --border-color: #3a4a5c;
    --nav-height: 80px;
    
    /* 字体 - 使用系统字体，加载更快 */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    
    /* 过渡效果 */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: #333;
    background-color: #1a2332; /* 深色背景，与页脚一致 */
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    margin: 0;
    padding: 0;
}

/* 移动端字体优化 */
@media (max-width: 768px) {
    body {
        font-size: 16px;
        line-height: 1.7;
    }
}

.container {
    max-width: 100%;
    margin: 0;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: none;
    border-bottom: none;
    padding: 24px 0;
}
.navbar.no-transition {
    transition: none !important;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-gold) 50%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

/* 滚动后的导航栏 - 白色背景 */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
}

.navbar.scrolled::after {
    opacity: 1;
}

/* 导航栏文字颜色 - logo文字 */
.navbar .nav-logo-text {
    color: #1a2332;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    text-shadow:
        0 1px 3px rgba(255, 255, 255, 0.9),
        0 2px 6px rgba(255, 255, 255, 0.7),
        0 0 20px rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

/* 滚动后文字颜色 - logo文字 */
.navbar.scrolled .nav-logo-text {
    color: #1a2332;
    text-shadow: none;
}

/* Logo在滚动后的样式调整 */
.navbar.scrolled .nav-logo img {
    filter: none;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(15px, 3vw, 30px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    box-sizing: border-box;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1.5vw, 15px);
    flex-shrink: 0;
}

.logo-image {
    height: clamp(40px, 6vw, 60px);
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

@media (min-width: 1025px) {
    .nav-logo {
        margin-left: -12px;
    }
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 900;
    color: var(--accent-gold);
    padding: 8px 16px;
    border: 2px solid var(--accent-gold);
    border-radius: 4px;
}

.logo-text {
    font-family: "HLJHG", sans-serif;
    font-size: clamp(13px, 2.5vw, 26px); /* 再次增大字体：最小13px，最大26px */
    font-weight: 700;
    color: #1a2332; /* 深色文字 */
    letter-spacing: clamp(0px, 0.1vw, 1px);
    white-space: nowrap; /* 禁止换行 */
    overflow: visible; /* 改为visible，确保完整显示 */
    text-overflow: clip; /* 不使用省略号 */
    max-width: none; /* 移除宽度限制，确保完整显示 */
}

.nav-menu {
    display: flex;
    position: relative;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 1px 0 rgba(24, 94, 224, 0.15), 0 6px 12px 0 rgba(24, 94, 224, 0.15);
    padding: 0.5rem 0.6rem;
    border-radius: 99px;
    gap: 0;
}

/* 滑动指示器 */
.nav-glider {
    position: absolute;
    display: flex;
    height: calc(100% - 1rem);
    top: 0.5rem;
    background: linear-gradient(135deg, #e6eef9 0%, #d4e4f7 100%);
    z-index: 1;
    border-radius: 99px;
    transition: 0.3s ease-out;
    pointer-events: none;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-size: clamp(10px, 1.5vw, 15px);
    font-weight: 500;
    position: relative;
    z-index: 2;
    transition: color 0.2s ease-in;
    white-space: nowrap;
    padding: 8px clamp(10px, 1.5vw, 18px);
    border-radius: 99px;
    cursor: pointer;
}

/* 移除原有的下划线效果 */
.nav-link::after {
    display: none;
}

.nav-link:hover {
    color: #185ee0;
}

.nav-link.active {
    color: #185ee0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    padding: 10px;
    margin: -10px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition);
}

/* ==================== 首页横幅 ==================== */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 移除默认背景，保持透明 */
    background: transparent;
    z-index: 5; /* 粒子动画层：在文字(2)上方，在按钮(20)下方 */
    pointer-events: none; /* 允许点击穿透到按钮 */
}

/* VANTA背景容器 - 优化淡入效果 */
#vanta-bg {
    opacity: 1; /* 完全不透明，粒子效果更明显 */
    transition: opacity 0.8s ease;
}

/* ==================== 首页轮播背景 ==================== */
.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease-out;
    z-index: 2; /* 确保在背景动画层上方 */
}

.carousel-slides.dragging {
    transition: none; /* 拖拽时禁用过渡动画，实现实时跟随 */
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 1s ease-in-out, transform 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

/* 左右切换按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0;
}

.hero-section:hover .carousel-control {
    opacity: 1;
}

.carousel-control:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.carousel-control:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-control.prev {
    left: 60px; /* 向内移动 */
}

.carousel-control.next {
    right: 60px; /* 向内移动 */
}

/* 小圆点指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 150px;  /* 从120px改为150px，再向上移动30px */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

/* 轮播图小圆点指示器 */
.carousel-indicator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-indicator-dot:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.carousel-indicator-dot.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 1);
    width: 32px;
    border-radius: 6px;
}

/* 页面section导航小圆点 */
.indicator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.indicator-dot:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.indicator-dot.active {
    background: rgba(16, 185, 129, 0.9);
    border-color: rgba(16, 185, 129, 1);
    width: 32px;
    border-radius: 6px;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .carousel-control {
        width: 40px;
        height: 40px;
        opacity: 0.8;
    }

    .carousel-control.prev {
        left: 30px; /* 移动端向内移动 */
    }

    .carousel-control.next {
        right: 30px; /* 移动端向内移动 */
    }

    .carousel-indicators {
        bottom: 110px;  /* 从90px改为110px，再向上移动20px */
        gap: 10px;
    }

    .carousel-indicator-dot {
        width: 10px;
        height: 10px;
    }

    .carousel-indicator-dot.active {
        width: 28px;
    }

    .indicator-dot {
        width: 10px;
        height: 10px;
    }

    .indicator-dot.active {
        width: 28px;
    }
}

/* ==================== CSS背景动画方案 ==================== */

/* 方案1：粒子星空效果 ⭐ - 增强版 */
.hero-bg.bg-particles {
    background: transparent; /* 移除暗色背景，保持透明 */
}

.hero-bg.bg-particles::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        /* 超大粒子 - 非常亮，像星星一样 */
        radial-gradient(8px 8px at 20% 30%, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5) 50%, transparent),
        radial-gradient(10px 10px at 60% 70%, rgba(0, 217, 255, 1), rgba(0, 217, 255, 0.6) 50%, transparent),
        radial-gradient(9px 9px at 50% 50%, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5) 50%, transparent),
        radial-gradient(7px 7px at 80% 10%, rgba(0, 217, 255, 1), rgba(0, 217, 255, 0.6) 50%, transparent),
        radial-gradient(10px 10px at 90% 60%, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5) 50%, transparent),
        radial-gradient(8px 8px at 33% 80%, rgba(0, 217, 255, 1), rgba(0, 217, 255, 0.6) 50%, transparent),
        radial-gradient(7px 7px at 15% 90%, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5) 50%, transparent),
        radial-gradient(9px 9px at 70% 40%, rgba(0, 217, 255, 1), rgba(0, 217, 255, 0.6) 50%, transparent),
        radial-gradient(8px 8px at 25% 15%, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5) 50%, transparent),
        radial-gradient(10px 10px at 85% 85%, rgba(0, 217, 255, 1), rgba(0, 217, 255, 0.6) 50%, transparent),
        /* 大粒子 - 更亮更明显 */
        radial-gradient(6px 6px at 40% 20%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.4) 50%, transparent),
        radial-gradient(5px 5px at 10% 50%, rgba(0, 217, 255, 0.9), rgba(0, 217, 255, 0.4) 50%, transparent),
        radial-gradient(6px 6px at 75% 25%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.4) 50%, transparent),
        radial-gradient(5px 5px at 25% 60%, rgba(0, 217, 255, 0.9), rgba(0, 217, 255, 0.4) 50%, transparent),
        radial-gradient(6px 6px at 55% 15%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.4) 50%, transparent),
        radial-gradient(5px 5px at 95% 35%, rgba(0, 217, 255, 0.9), rgba(0, 217, 255, 0.4) 50%, transparent),
        radial-gradient(6px 6px at 12% 75%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.4) 50%, transparent),
        radial-gradient(5px 5px at 88% 45%, rgba(0, 217, 255, 0.9), rgba(0, 217, 255, 0.4) 50%, transparent),
        /* 中粒子 */
        radial-gradient(4px 4px at 30% 40%, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.3) 50%, transparent),
        radial-gradient(3px 3px at 65% 55%, rgba(0, 217, 255, 0.8), rgba(0, 217, 255, 0.3) 50%, transparent),
        radial-gradient(4px 4px at 45% 75%, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.3) 50%, transparent),
        radial-gradient(3px 3px at 88% 48%, rgba(0, 217, 255, 0.8), rgba(0, 217, 255, 0.3) 50%, transparent),
        radial-gradient(4px 4px at 12% 22%, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.3) 50%, transparent),
        radial-gradient(3px 3px at 78% 88%, rgba(0, 217, 255, 0.8), rgba(0, 217, 255, 0.3) 50%, transparent),
        radial-gradient(4px 4px at 35% 95%, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.3) 50%, transparent),
        radial-gradient(3px 3px at 92% 12%, rgba(0, 217, 255, 0.8), rgba(0, 217, 255, 0.3) 50%, transparent),
        radial-gradient(4px 4px at 58% 32%, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.3) 50%, transparent),
        radial-gradient(3px 3px at 22% 68%, rgba(0, 217, 255, 0.8), rgba(0, 217, 255, 0.3) 50%, transparent),
        /* 小粒子 - 增加数量和亮度 */
        radial-gradient(2px 2px at 68% 8%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 8% 78%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 82% 58%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 38% 38%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 52% 82%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 72% 18%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 18% 58%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 62% 92%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 42% 12%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 98% 72%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 28% 28%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 88% 38%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 8% 88%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 48% 58%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 78% 78%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 32% 8%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 95% 45%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 5% 65%, rgba(0, 217, 255, 0.7), transparent),
        radial-gradient(2px 2px at 48% 92%, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(2px 2px at 15% 35%, rgba(0, 217, 255, 0.7), transparent);
    background-size: 250% 250%;
    background-position: 0% 0%;
    animation: stars 15s linear infinite;
    opacity: 1;
}

@keyframes stars {
    0% {
        background-position: 0% 0%, 10% 20%, 20% 40%, 30% 60%, 40% 80%, 50% 100%, 60% 0%, 70% 30%, 80% 70%, 90% 50%;
        opacity: 0.8;
        transform: scale(1);
    }
    25% {
        opacity: 1;
        transform: scale(1.05);
    }
    50% {
        background-position: 100% 100%, 90% 80%, 80% 60%, 70% 40%, 60% 20%, 50% 0%, 40% 100%, 30% 70%, 20% 30%, 10% 50%;
        opacity: 1;
        transform: scale(1.1);
    }
    75% {
        opacity: 0.9;
        transform: scale(1.05);
    }
    100% {
        background-position: 0% 0%, 10% 20%, 20% 40%, 30% 60%, 40% 80%, 50% 100%, 60% 0%, 70% 30%, 80% 70%, 90% 50%;
        opacity: 0.8;
        transform: scale(1);
    }
}

/* 方案2：渐变 + 光晕浮动效果 💫 */
.hero-bg.bg-glow {
    background: linear-gradient(135deg,
        #0D121F 0%,
        #1a1430 25%,
        #0D121F 50%,
        #1a1430 75%,
        #0D121F 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.hero-bg.bg-glow::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    top: 10%;
    left: 5%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.5), rgba(212, 175, 55, 0.2) 50%, transparent);
    border-radius: 50%;
    filter: blur(80px);
    animation: float1 18s ease-in-out infinite;
}

.hero-bg.bg-glow::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    bottom: 10%;
    right: 5%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.4), rgba(255, 215, 0, 0.15) 50%, transparent);
    border-radius: 50%;
    filter: blur(80px);
    animation: float2 22s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    33% { transform: translate(80px, -80px) scale(1.2); opacity: 1; }
    66% { transform: translate(-80px, 80px) scale(0.9); opacity: 0.6; }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.7; }
    33% { transform: translate(-70px, 70px) scale(1.3); opacity: 0.9; }
    66% { transform: translate(70px, -70px) scale(0.8); opacity: 0.5; }
}

/* 方案3：渐变 + 网格移动效果 🔲 */
.hero-bg.bg-grid {
    background: linear-gradient(135deg,
        #0D121F 0%,
        #0f1a1f 25%,
        #0D121F 50%,
        #0f1a1f 75%,
        #0D121F 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.hero-bg.bg-grid::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(6, 255, 165, 0.15) 2px, transparent 2px),
        linear-gradient(90deg, rgba(6, 255, 165, 0.15) 2px, transparent 2px),
        linear-gradient(rgba(6, 255, 165, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 255, 165, 0.05) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    animation: gridMove 25s linear infinite;
    opacity: 0.8;
}

@keyframes gridMove {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 100px 100px, 100px 100px, 20px 20px, 20px 20px; }
}

/* 方案4：纯渐变动画 🌈 */
.hero-bg.bg-gradient {
    background: linear-gradient(135deg,
        #1a0a2e 0%,
        #16213e 20%,
        #0f3460 40%,
        #16213e 60%,
        #1a0a2e 80%,
        #16213e 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 12s ease infinite;
}

.hero-bg.bg-gradient::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg,
        transparent 0%,
        rgba(255, 0, 110, 0.1) 25%,
        transparent 50%,
        rgba(138, 43, 226, 0.1) 75%,
        transparent 100%
    );
    background-size: 200% 200%;
    animation: gradientOverlay 10s ease infinite;
}

@keyframes gradientOverlay {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
}

/* 渐变动画关键帧 */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 静态渐变（低性能设备） */
.hero-bg.bg-static {
    background: linear-gradient(135deg,
        #0D121F 0%,
        #151b2e 50%,
        #0D121F 100%
    );
    /* 无动画 */
}

/* 移除原有的伪元素（避免冲突） */
.hero-bg.bg-static::before,
.hero-bg.bg-static::after {
    display: none;
}

/* VANTA加载指示器 - 隐藏，让用户先看到内容 */
.vanta-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
    opacity: 0; /* 默认隐藏，不显示加载动画 */
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.vanta-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    border: 3px solid rgba(255, 20, 147, 0.2);
    border-top-color: rgba(255, 20, 147, 0.8);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin: 0;
}

/* Shiny Text 动画 - 金色光泽流动效果 */
@keyframes shiny-text {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 板块标题淡入上移动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 卡片悬停提升效果 */
@keyframes cardHoverLift {
    from {
        transform: translateY(0);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    to {
        transform: translateY(-8px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent; /* 删除背景模糊效果 */
}

.hero-content {
    position: relative;
    z-index: 2; /* 文字层：在背景(1)上方，在粒子(5)下方 */
    text-align: center;
    color: var(--text-light);
    max-width: 1200px;
    width: 95%;
    margin: 0 auto;
    padding: 0 clamp(15px, 3vw, 40px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* 禁止选中文字 */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    /* 鼠标手型，提示可拖动切换轮播图 */
    cursor: grab;
}

.hero-content:active {
    cursor: grabbing;
}

/* 确保文字区域的拖拽事件可以穿透到轮播图 */
.hero-content.dragging {
    pointer-events: none;
}

/* Hero内容渐进动画 */
.hero-content > * {
    opacity: 0;
    animation: slideUpFadeIn 0.8s ease forwards;
}

/* 禁用动画的临时类 */
.hero-content > *.no-animation {
    animation: none !important;
    opacity: 0 !important;
}

/* 英文副标题 */
.hero-subtitle-en {
    font-size: clamp(10px, 0.9vw, 15px); /* 增大字体：最小10px，最大15px */
    font-weight: 300;
    color: var(--accent-gold);
    letter-spacing: clamp(1px, 0.15vw, 2px);
    text-transform: uppercase;
    margin-bottom: clamp(8px, 1vw, 15px);
    animation-delay: 0.3s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-title {
    animation-delay: 0.5s;
}

.hero-subtitle {
    animation-delay: 0.7s;
}

.hero-divider {
    animation-delay: 0.9s;
}

.hero-description {
    animation-delay: 1.1s;
}

.hero-buttons {
    animation-delay: 1.3s;
}

.hero-title {
    font-family: "HLJHG", sans-serif;
    font-size: clamp(22px, 4.2vw, 64px); /* 增大字体：最小22px，最大64px */
    font-weight: 900;
    margin-bottom: clamp(12px, 2vw, 30px);
    letter-spacing: clamp(0.5px, 0.15vw, 2px);
    line-height: 1.3;
    width: 100%;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;

    /* Shiny Text 效果 - 光泽只作用在文字上 */
    background: linear-gradient(110deg,
        #000000 0%,
        #000000 45%,
        #ffffff 50%,
        #000000 55%,
        #000000 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    /* 组合动画：淡入 + 光泽效果 */
    animation: slideUpFadeIn 0.8s ease forwards, shiny-text-title 8s ease-in-out 0.8s infinite;
    animation-delay: 0.5s, 0.5s;

    position: relative;
}

/* Gradient text effect for company name - 宏冠建筑 */
.hero-title .gradient-text {
    /* 金色渐变快速流动效果 */
    background: linear-gradient(90deg, #FFD700, #FFA500, #FF6B35, #FFA500, #FFD700);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: animated-gradient-text 3s linear infinite;
    font-weight: 900;
    display: inline-block;
    position: relative;
    z-index: 1;
}

/* 使用伪元素为"宏冠建筑"添加白色光泽层 */
.hero-title .gradient-text::before {
    content: '宏冠建筑';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(110deg,
        transparent 0%,
        transparent 45%,
        rgba(255, 255, 255, 0.9) 50%,
        transparent 55%,
        transparent 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shiny-text-title 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 2;
}

/* Shiny Text 动画 - 白色光泽扫过（8秒慢速）*/
@keyframes shiny-text-title {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 渐变文字动画 - 金色渐变流动（3秒快速）*/
@keyframes animated-gradient-text {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* ==================== Demo风格标语样式 ==================== */
/* 当显示demo风格标语时的样式 */
.hero-content.demo-style .hero-subtitle-en {
    font-size: clamp(10px, 0.8vw, 14px) !important;
    font-weight: 300 !important;
    color: #FFC107 !important; /* 更亮的琥珀金色 */
    letter-spacing: clamp(1.5px, 0.25vw, 3px) !important;
    text-transform: uppercase !important;
    margin-bottom: clamp(10px, 1.2vw, 18px) !important;
    animation-delay: 0.5s !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.hero-content.demo-style .hero-title {
    /* 完全覆盖原有样式 */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif !important;
    font-size: clamp(40px, 6vw, 96px) !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;

    /* 移除渐变背景效果 */
    background: transparent !important;
    background-image: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;

    /* 设置为纯白色文字 */
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;

    /* 移除原有动画，使用新动画 */
    animation: slideUpFadeIn 0.8s ease forwards !important;
    animation-delay: 0.7s !important;

    letter-spacing: clamp(1px, 0.3vw, 4px) !important;
    margin-bottom: clamp(12px, 2vw, 30px) !important; /* 与默认首页一致 */
    /* 增强文字阴影 - 多层阴影确保在任何背景上都清晰可见 */
    text-shadow:
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.6),
        0 8px 16px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(0, 0, 0, 0.5) !important;
}

/* 移除gradient-text的效果 */
.hero-content.demo-style .hero-title .gradient-text {
    background: transparent !important;
    background-image: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    -webkit-text-fill-color: #ffffff !important;
    color: #ffffff !important;
    animation: none !important;
}

.hero-content.demo-style .hero-title .gradient-text::before {
    display: none !important;
    content: none !important;
}

.hero-content.demo-style .hero-subtitle {
    font-size: clamp(11px, 1vw, 16px) !important;
    font-weight: 300 !important;
    color: rgba(255, 255, 255, 0.95) !important;
    letter-spacing: clamp(0.3px, 0.12vw, 2px) !important;
    max-width: 1000px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-bottom: clamp(30px, 4vw, 50px) !important; /* 增加底部间距，确保按钮位置正确 */
    animation-delay: 0.9s !important;
    /* 清晰的文字阴影 - 不要雾蒙蒙的效果 */
    text-shadow:
        0 1px 2px rgba(0, 0, 0, 0.5),
        0 2px 4px rgba(0, 0, 0, 0.3) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.hero-content.demo-style .hero-buttons {
    animation-delay: 1.3s !important; /* 与默认首页一致 */
}

.hero-content.demo-style .hero-divider {
    display: none !important;
}

.hero-content.demo-style .hero-description {
    display: none !important;
}

.hero-subtitle {
    font-size: clamp(11px, 1.1vw, 17px); /* 增大字体：最小11px，最大17px */
    font-weight: 300;
    color: #000000; /* 黑色文字 */
    margin-bottom: clamp(12px, 2vw, 25px);
    letter-spacing: clamp(0.2px, 0.1vw, 1.5px);
    width: 100%;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-divider {
    width: clamp(50px, 10vw, 100px);
    height: 3px;
    background: var(--accent-gold);
    margin: 0 auto clamp(20px, 3vw, 30px);
}

.hero-description {
    font-size: clamp(12px, 1.5vw, 18px);
    line-height: 1.8;
    margin-bottom: clamp(25px, 3vw, 40px);
    max-width: 100%;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    word-wrap: break-word;
    color: #000000; /* 黑色文字 */
}

.hero-buttons {
    display: flex;
    gap: clamp(12px, 2vw, 20px);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 20; /* 置顶，确保在粒子动画上方 */
    pointer-events: auto; /* 确保按钮可点击 */
}

.btn {
    padding: clamp(14px, 1.8vw, 18px) clamp(32px, 5vw, 48px);
    font-size: clamp(15px, 1.6vw, 17px);
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-align: center;
    white-space: nowrap;
    display: inline-block;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: -1;
}

.btn:hover::before {
    transform: scaleX(1);
}

.btn-primary {
    background: #ffffff;
    color: #1a1a2e;
    border-color: #ffffff;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn-primary::before {
    background: rgba(0, 0, 0, 0.05);
}

.btn-primary:hover {
    background: #f5f5f5;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: #000000; /* 黑色文字 */
    border-color: rgba(0, 0, 0, 0.3);
    /* 删除模糊背景 backdrop-filter: blur(10px); */
}

.btn-secondary::before {
    background: rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #000000;
    border-color: rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* Hero按钮箭头动画 */
.btn-hero {
    position: relative;
    overflow: hidden;
}

.btn-arrow {
    display: inline-block;
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-hero:hover .btn-arrow {
    transform: translateX(5px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    animation: bounce 2s infinite;
    z-index: 10;
    cursor: pointer;
}

.scroll-indicator span {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--accent-gold);
    margin: 0 auto;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--accent-gold);
}

/* ==================== 页面指示器 ==================== */
.page-indicator {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.indicator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(120, 120, 120, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

/* Tooltip */
.indicator-dot::before {
    content: attr(title);
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-dark);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.indicator-dot:hover::before {
    opacity: 1;
    transform: translateY(-50%) translateX(-5px);
}

.indicator-dot:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(150, 150, 150, 0.8);
}

.indicator-dot.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
    width: 12px;
    height: 12px;
}

.indicator-dot.active::after {
    display: none;
}

/* 移动端隐藏页面指示器 */
@media (max-width: 1024px) {
    .page-indicator {
        display: none;
    }
}

/* ==================== 通用板块样式 ==================== */
.section {
    min-height: calc(100vh - var(--nav-height, 80px));
    max-height: calc(100vh - var(--nav-height, 80px)); /* 限制最大高度为一屏 */
    padding: 60px 0; /* 减少padding从80px到60px */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    display: flex;
    align-items: center;
    box-sizing: border-box; /* 确保padding包含在高度内 */
    scroll-margin-top: var(--nav-height, 80px);
}

.section .container {
    width: 100%;
    max-height: none;
    overflow-y: visible;
    padding: 0 20px; /* 移除顶部padding，避免内容被挤压 */
}



.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 移动端取消100vh限制，允许自然滚动 */
@media (max-width: 1024px) {
    .section {
        min-height: auto;
        max-height: none; /* 移除最大高度限制 */
        display: block;
        padding: 60px 0;
    }

    .section .container {
        max-height: none;
        overflow-y: visible;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 8px; /* 进一步减少margin */
    position: relative;
}

/* 桌面端全屏模式下更紧凑的header */
@media (min-width: 1025px) {
    .section-header {
        margin-bottom: 5px; /* 进一步减少margin */
    }
}

.section-subtitle {
    font-size: 11px; /* 减小字体 */
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 2px; /* 减少字间距 */
    margin-bottom: 5px; /* 减少margin */
    display: block;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(20px, 3vw + 0.5rem, 48px); /* 减小字体 */
    font-weight: 900;
    margin-bottom: clamp(6px, 1.2vw, 12px); /* 减少margin */
    position: relative;
    display: inline-block;

    /* 板块标题渐变 - 深蓝到金色 + 光泽扫过效果 */
    background: linear-gradient(135deg,
        #1e3a8a,  /* 深蓝 */
        #3b82f6,  /* 蓝色 */
        #d97706   /* 琥珀金 */
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    animation: titleShine 8s ease-in-out infinite;
}

/* 标题光泽扫过动画 - 极轻量 */
@keyframes titleShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.section-title::before,
.section-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    animation: titleLineGlow 3s ease-in-out infinite;
}

.section-title::before {
    left: -50px;
}

.section-title::after {
    right: -50px;
}

@keyframes titleLineGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.title-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-gold) 50%, transparent 100%);
    margin: 0 auto;
    position: relative;
    animation: dividerPulse 2s ease-in-out infinite;
}

.title-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--accent-gold);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    animation: dotPulse 2s ease-in-out infinite;
}

.title-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: transparent;
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    opacity: 0;
    animation: ripple 2s ease-in-out infinite;
}

@keyframes dividerPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

@keyframes dotPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* ==================== 关于我们 ==================== */
.about-section {
    background: #ffffff;
    padding: 10px 0 15px 0 !important; /* 大幅减少顶部padding，使用!important覆盖.section的padding */
    align-items: flex-start !important; /* 改为顶部对齐，而不是居中 */
    position: relative;
    overflow: hidden;
}

/* 关于我们 - 背景装饰：淡淡的网格线条 */
.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(26, 35, 50, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 35, 50, 0.06) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.about-section .container {
    padding: 0; /* 移除container的padding，让子元素自己控制padding */
    position: relative;
    z-index: 1;
}

.about-section .section-header {
    margin-bottom: 20px; /* 标题区域的下边距，与工程项目、核心业务保持一致 */
    padding: 0 20px; /* section-header需要自己的padding */
}

.section-description {
    text-align: center;
    color: #666;
    max-width: 800px;
    margin: 10px auto 0; /* 恢复margin */
    padding: 0 20px; /* 添加左右padding */
    font-size: 16px; /* 恢复字体大小 */
    line-height: 1.6; /* 恢复行高 */
}

/* ========== 关于宏冠 - 标签切换 ========== */
.about-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 50px auto 30px;
    padding: 0 20px;
}

.about-tab {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: #f5f5f5;
    border: 2px solid #e5e7eb;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.about-tab i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.about-tab:hover {
    background: #fff;
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.about-tab:hover i {
    transform: scale(1.1);
}

.about-tab.active {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #f0d98d 100%);
    border-color: var(--accent-gold);
    color: #fff;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.about-tab.active i {
    color: #fff;
}

/* 标签内容区域 */
.about-tab-contents {
    position: relative;
    min-height: 400px;
}

.about-tab-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.4s ease;
}

.about-tab-content.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 切换动画 - 淡出 */
.about-tab-content.fade-out {
    opacity: 0;
    transform: translateY(-10px);
}

/* 切换动画 - 淡入 */
.about-tab-content.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 新闻动态样式 ========== */
.news-container {
    padding: 0 20px;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.news-item-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-item:hover .news-item-image img {
    transform: scale(1.05);
}

.news-item-content {
    padding: 18px;
}

.news-item-date {
    font-size: 12px;
    color: #999;
    margin-bottom: 8px;
}

.news-item-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-summary {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 新闻空状态 */
.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.news-empty i {
    font-size: 48px;
    color: #ddd;
    margin-bottom: 15px;
}

.news-empty p {
    font-size: 18px;
    color: #666;
    margin-bottom: 5px;
}

.news-empty span {
    font-size: 14px;
    color: #999;
}

/* ========== 荣誉奖项样式 ========== */
.honors-container {
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.honors-empty {
    text-align: center;
    padding: 80px 20px;
    color: #999;
}

.honors-empty i {
    font-size: 56px;
    color: var(--accent-gold);
    margin-bottom: 20px;
    opacity: 0.5;
}

.honors-empty p {
    font-size: 18px;
    color: #666;
    margin-bottom: 8px;
}

.honors-empty span {
    font-size: 14px;
    color: #999;
}

/* ========== 企业文化样式 ========== */
.culture-container {
    padding: 0 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.culture-card {
    background: linear-gradient(135deg, #fff 0%, #fafafa 100%);
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-gold);
}

.culture-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.culture-icon i {
    font-size: 24px;
    color: var(--accent-gold);
}

.culture-card:hover .culture-icon {
    background: var(--accent-gold);
}

.culture-card:hover .culture-icon i {
    color: #fff;
}

.culture-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.culture-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

/* 企业标语 */
.culture-slogan {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2a3a4a 100%);
    border-radius: 12px;
    color: #fff;
}

.slogan-text {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.slogan-sub {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式 - 标签和内容 */
@media (max-width: 768px) {
    .about-tabs {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .about-tab {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .news-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .culture-card {
        padding: 20px 15px;
    }
    
    .slogan-text {
        font-size: 18px;
    }
}

/* 左右布局 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: center; /* 垂直居中对齐 */
    margin-top: 15px;
    padding: 0 20px;
}

/* 左侧文字列 */
.about-text-column {
    padding-right: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center; /* 内容垂直居中 */
    height: 100%;
}

.about-content {
    display: block;
    width: 100%;
}

.about-text {
    width: 100%;
    max-width: 100%;
}

.about-heading {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px; /* 减少底部间距 */
    text-align: center;
}

/* 企业发展时间轴 - 基础样式必须在媒体查询之前 */
.company-timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 25px 0 0 0; /* 减少顶部margin */
    padding: 20px 20px; /* 减少padding以减小高度 */
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px; /* 减小圆角 */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
}

/* 响应式设计 - 小屏幕 */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        align-items: stretch; /* 小屏幕恢复stretch */
    }

    .about-image-column {
        order: 1;
    }

    .about-text-column {
        order: 2;
        padding-right: 0; /* 小屏幕移除右侧padding */
        justify-content: center; /* 小屏幕恢复居中 */
    }

    /* 小屏幕时间轴缩小显示 */
    .company-timeline {
        margin: 20px 0 0 0;
        padding: 15px 10px;
        border-radius: 10px;
    }
}

.timeline-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.timeline-year {
    font-size: 20px; /* 减小基础字体 */
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 10px; /* 减小间距 */
    font-family: 'Arial', sans-serif;
    transition: font-size 0.3s ease;
}

.timeline-dot {
    width: 14px; /* 减小尺寸 */
    height: 14px;
    background: #ddd;
    border: 2px solid #fff; /* 减小边框 */
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px; /* 减小间距 */
    transition: all 0.3s ease;
}

.timeline-dot.active {
    width: 16px; /* 减小尺寸 */
    height: 16px;
    background: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.1);
    }
}

.timeline-content {
    text-align: center;
}

.timeline-title {
    font-size: 14px; /* 减小字体 */
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 3px; /* 减小间距 */
    transition: font-size 0.3s ease;
}

.timeline-desc {
    font-size: 11px; /* 减小字体 */
    color: #666;
    line-height: 1.3; /* 减小行高 */
    transition: all 0.3s ease;
}

.timeline-connector {
    flex: 0 0 auto;
    width: 60px; /* 减小宽度 */
    height: 2px;
    background: linear-gradient(90deg, #ddd 0%, #ddd 50%, var(--accent-gold) 100%);
    position: relative;
    top: -20px; /* 调整位置 */
    transition: width 0.3s ease;
}

/* 悬停效果 */
.timeline-item:hover .timeline-dot:not(.active) {
    background: var(--accent-gold);
    transform: scale(1.2);
}

/* 响应式设计 - 平板尺寸 (768px - 992px) */
@media (max-width: 992px) {
    .company-timeline {
        flex-direction: column;
        padding: 12px 10px; /* 大幅减小padding */
        margin: 15px 0 0 0; /* 减小margin */
    }

    .timeline-item {
        width: 100%;
        flex-direction: row;
        justify-content: flex-start;
        margin-bottom: 8px; /* 减小间距 */
    }

    .timeline-item:last-child {
        margin-bottom: 0;
    }

    .timeline-year {
        flex: 0 0 50px; /* 减小宽度 */
        margin-bottom: 0;
        margin-right: 8px; /* 减小间距 */
        font-size: 15px; /* 减小字体 */
    }

    .timeline-dot {
        flex: 0 0 10px; /* 减小尺寸 */
        width: 10px;
        height: 10px;
        margin-bottom: 0;
        margin-right: 8px;
        position: relative;
        top: 2px;
        border-width: 1px; /* 减小边框 */
    }

    .timeline-dot.active {
        width: 12px;
        height: 12px;
    }

    .timeline-content {
        flex: 1;
        text-align: left;
    }

    .timeline-title {
        font-size: 12px; /* 减小字体 */
        margin-bottom: 2px;
    }

    .timeline-desc {
        font-size: 10px; /* 减小字体 */
        line-height: 1.2;
    }

    .timeline-connector {
        display: none;
    }
}

/* 响应式设计 - 小屏幕 (480px - 768px) */
@media (max-width: 768px) {
    .company-timeline {
        padding: 8px 6px; /* 进一步减小padding */
        margin: 10px 0 0 0; /* 减小margin */
    }

    .timeline-item {
        margin-bottom: 6px; /* 减小间距 */
    }

    .timeline-year {
        flex: 0 0 42px; /* 减小宽度 */
        margin-right: 6px;
        font-size: 12px; /* 减小字体 */
    }

    .timeline-dot {
        flex: 0 0 8px; /* 减小尺寸 */
        width: 8px;
        height: 8px;
        margin-right: 6px;
        border-width: 1px;
    }

    .timeline-dot.active {
        width: 10px;
        height: 10px;
    }

    .timeline-title {
        font-size: 11px; /* 减小字体 */
        margin-bottom: 1px;
    }

    .timeline-desc {
        font-size: 9px; /* 减小字体 */
        line-height: 1.1;
    }
}

/* 响应式设计 - 超小屏幕 (<480px) - 隐藏描述文字 */
@media (max-width: 480px) {
    .company-timeline {
        padding: 6px 4px; /* 最小padding */
        margin: 8px 0 0 0; /* 最小margin */
        border-radius: 6px;
    }

    .timeline-item {
        margin-bottom: 4px; /* 最小间距 */
    }

    .timeline-year {
        flex: 0 0 35px; /* 最小宽度 */
        margin-right: 5px;
        font-size: 10px; /* 最小字体 */
    }

    .timeline-dot {
        flex: 0 0 6px; /* 最小尺寸 */
        width: 6px;
        height: 6px;
        margin-right: 5px;
        border-width: 1px;
    }

    .timeline-dot.active {
        width: 8px;
        height: 8px;
    }

    .timeline-title {
        font-size: 9px; /* 最小字体 */
        margin-bottom: 0;
    }

    /* 超小屏幕隐藏描述文字以节省高度 */
    .timeline-desc {
        display: none !important;
    }
}



.about-paragraph {
    font-size: 16px; /* 恢复字体大小 */
    line-height: 1.8; /* 恢复行高 */
    color: #555;
    margin-bottom: 15px; /* 恢复margin */
    text-align: justify;
    text-indent: 2em; /* 首行缩进2个字符 */
}

/* 企业优势网格 - 全宽4列布局 */
.about-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 100%;
    margin: 50px auto 0;
    padding: 0 40px;
}

@media (min-width: 1600px) {
    .about-advantages {
        gap: 35px;
        padding: 0 40px;
    }
}

@media (min-width: 1025px) and (max-width: 1599px) {
    .about-advantages {
        gap: 28px;
        padding: 0 35px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .about-advantages {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        padding: 0 25px;
    }
}

@media (max-width: 768px) {
    .about-advantages {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
}

.advantage-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 32px 24px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-item:hover::before {
    transform: scaleX(1);
}

.advantage-item:hover {
    background: #ffffff;
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.15);
    transform: translateY(-8px);
    border-color: rgba(102, 126, 234, 0.3);
}

.advantage-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.advantage-icon i {
    font-size: 32px;
    color: #ffffff;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.45);
}

.advantage-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.advantage-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0;
    letter-spacing: 0.5px;
}

.advantage-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 了解更多链接 */
.about-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 6px; /* 减少gap */
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 14px; /* 减小字体 */
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 12px; /* 进一步减少margin */
}

.about-cta-link:hover {
    color: var(--accent-gold);
    gap: 12px;
}

.arrow-icon {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.about-cta-link:hover .arrow-icon {
    transform: translateX(4px);
}

/* 右侧图片列 */
.about-image-column {
    position: relative;
    display: flex;
    align-items: center; /* 垂直居中 */
    height: 100%; /* 确保占满高度 */
}

.about-image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: visible; /* 改为visible，让卡片可以突出显示 */
    margin-bottom: 60px; /* 为突出的卡片预留空间 */
    width: 100%; /* 确保占满宽度 */
}

/* 图片本身需要overflow hidden来保持圆角 */
.about-image-wrapper picture,
.about-image-wrapper .about-main-image {
    display: block;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.about-image-wrapper picture {
    transition: transform 0.5s ease;
}

.about-image-wrapper:hover picture {
    transform: scale(1.02);
}

.about-main-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

/* 装饰元素 */
.image-decoration {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 16px;
    z-index: -1;
}

.decoration-1 {
    bottom: -25px;
    left: -25px;
    background: var(--accent-gold);
    opacity: 0.2;
}

.decoration-2 {
    top: -25px;
    right: -25px;
    background: var(--primary-dark);
    opacity: 0.2;
}

/* 数据统计卡片 - 响应式优化 */
.about-stats-card {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    padding: clamp(15px, 2.5vw, 25px) clamp(20px, 3.5vw, 40px);
    border-radius: clamp(12px, 1.5vw, 16px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    display: flex;
    align-items: center;
    gap: clamp(10px, 2.5vw, 30px);
    z-index: 10;
    transition: none;
    width: auto; /* 自动宽度 */
    max-width: 95%; /* 防止溢出 */
    min-width: min-content; /* 最小宽度适应内容 */
    box-sizing: border-box;
    white-space: nowrap; /* 防止文字换行 */
}

/* 禁用悬停效果 */
.about-stats-card:hover {
    transform: translateX(-50%);
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

/* 平板端优化（768px - 1024px）*/
@media (min-width: 769px) and (max-width: 1024px) {
    .about-stats-card {
        padding: clamp(15px, 2vw, 20px) clamp(20px, 3vw, 30px);
        gap: clamp(12px, 2vw, 20px);
        max-width: 90%;
    }

    .stats-card-number {
        font-size: clamp(24px, 3.5vw, 32px) !important;
    }

    .stats-card-label {
        font-size: clamp(10px, 1.2vw, 12px);
    }

    .stats-card-item {
        min-width: auto; /* 移除固定最小宽度 */
        flex-shrink: 1; /* 允许收缩 */
    }
}

/* 小屏PC和大平板（1025px - 1366px）*/
@media (min-width: 1025px) and (max-width: 1366px) {
    .about-stats-card {
        padding: clamp(18px, 2.2vw, 22px) clamp(25px, 3.2vw, 35px);
        gap: clamp(15px, 2.2vw, 25px);
    }

    .stats-card-number {
        font-size: clamp(32px, 3.2vw, 40px) !important;
    }

    .stats-card-label {
        font-size: clamp(11px, 1.1vw, 13px);
    }
}

/* 中等窗口（900px - 1024px）*/
@media (min-width: 900px) and (max-width: 1024px) {
    .about-stats-card {
        gap: clamp(10px, 1.8vw, 18px);
    }

    .stats-card-number {
        font-size: clamp(22px, 3vw, 30px) !important;
    }

    .stats-card-label {
        font-size: clamp(9px, 1.1vw, 11px);
    }

    .stats-card-divider {
        height: clamp(35px, 5vw, 50px);
    }
}

/* 小窗口（769px - 899px）*/
@media (min-width: 769px) and (max-width: 899px) {
    .about-stats-card {
        gap: clamp(8px, 1.5vw, 15px);
        padding: clamp(12px, 1.8vw, 18px) clamp(15px, 2.5vw, 25px);
    }

    .stats-card-number {
        font-size: clamp(20px, 2.8vw, 26px) !important;
    }

    .stats-card-label {
        font-size: clamp(8px, 1vw, 10px);
    }

    .stats-card-divider {
        height: clamp(30px, 4.5vw, 45px);
    }
}

/* 手机端（≤768px）*/
@media (max-width: 768px) {
    .about-stats-card {
        position: static;
        transform: none;
        margin-top: 20px;
        flex-direction: column;
        gap: 15px;
        padding: 20px 25px;
        max-width: 100%;
    }

    .stats-card-number {
        font-size: clamp(32px, 8vw, 40px) !important;
    }

    .stats-card-label {
        font-size: clamp(13px, 3vw, 15px);
    }
}

.stats-card-item {
    text-align: center;
    min-width: auto; /* 移除固定最小宽度，允许自适应 */
    flex-shrink: 1; /* 允许收缩 */
    flex-grow: 0; /* 不允许扩展 */
    padding: 0 clamp(5px, 1vw, 10px); /* 添加内边距 */
}

.stats-card-number {
    font-size: clamp(24px, 3.5vw, 48px); /* 更激进的缩放 */
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
    margin-bottom: clamp(4px, 0.8vw, 8px);
    font-family: 'Arial', sans-serif;
    white-space: nowrap; /* 防止数字换行 */
}

/* 移除自动添加的+号，改为在JS中控制 */
/* .stats-card-number::after {
    content: '+';
    font-size: 36px;
    margin-left: 3px;
    color: var(--primary-dark);
} */

.stats-card-label {
    font-size: clamp(10px, 1.2vw, 14px); /* 更激进的缩放 */
    color: #666;
    font-weight: 400;
    white-space: nowrap; /* 防止标签换行 */
}

.stats-card-divider {
    width: 1px;
    height: clamp(40px, 6vw, 60px); /* 分隔线也响应式缩放 */
    background: #e0e0e0;
    flex-shrink: 0;
}

/* 平板端分隔线优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .stats-card-divider {
        height: 50px;
    }
}

/* 手机端隐藏分隔线 */
@media (max-width: 768px) {
    .stats-card-divider {
        display: none;
    }

    .stats-card-number {
        font-size: 36px;
    }
}

.mission-team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(12px, 2vw, 15px); /* 减少gap */
    margin: 15px 0; /* 减少margin从20px到15px */
    padding: 0 clamp(15px, 3vw, 30px); /* 添加左右padding，与企业实力对齐 */
    width: 100%;
    box-sizing: border-box;
}

/* 桌面端全屏模式下更紧凑 */
@media (min-width: 1025px) {
    .mission-team-grid {
        margin: 10px 0; /* 减少margin */
        gap: 12px; /* 减少gap */
    }
}

@media (min-width: 769px) {
    .mission-team-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.mission-box {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    padding: clamp(15px, 2.5vw, 22px); /* 减少padding */
    border-radius: 8px;
    border-left: 5px solid var(--accent-gold);
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* 改为顶部对齐，与企业实力标题对齐 */
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    min-height: 120px; /* 减少最小高度从150px到120px */
}

.mission-title {
    font-size: clamp(15px, 2vw, 18px); /* 减小字体 */
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 10px; /* 减少间距从15px到10px */
}

.mission-text {
    font-size: clamp(13px, 1.5vw, 14px); /* 减小字体 */
    line-height: 1.6; /* 减小行高从1.8到1.6 */
    color: var(--text-light);
}

.team-member {
    display: flex;
    align-items: flex-start; /* 改为顶部对齐 */
    gap: clamp(12px, 2vw, 15px); /* 减少gap */
    background: white;
    padding: clamp(15px, 2.5vw, 20px); /* 减少padding */
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--accent-gold);
    margin: 0;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    min-height: 120px; /* 减少最小高度从150px到120px */
}

.member-icon {
    font-size: clamp(32px, 5vw, 40px); /* 减小图标 */
    width: clamp(50px, 7vw, 60px); /* 减小尺寸 */
    height: clamp(50px, 7vw, 60px); /* 减小尺寸 */
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-section);
    border-radius: 50%;
    flex-shrink: 0;
}

.member-info {
    flex: 1;
    min-width: 0;
}

.member-name {
    font-size: clamp(13px, 1.8vw, 16px); /* 减小字体 */
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 5px; /* 减少间距从8px到5px */
}

.member-desc {
    font-size: clamp(11px, 1.4vw, 13px); /* 减小字体 */
    color: #666;
    line-height: 1.5; /* 减小行高 */
}

.about-stats-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(12px, 2vw, 18px); /* 进一步减少gap */
    align-items: stretch; /* 改为stretch，让两侧高度一致 */
    margin-top: 8px; /* 进一步减少margin */
    padding: 0 clamp(10px, 2vw, 20px); /* 减少左右padding */
}

/* 桌面端全屏模式下更紧凑 */
@media (min-width: 1025px) {
    .about-stats-section {
        margin-top: 6px; /* 进一步减少margin */
        gap: 12px; /* 进一步减少gap */
    }
}

.stats-intro {
    padding: clamp(10px, 2vw, 16px); /* 进一步减少padding */
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px; /* 减小圆角 */
    border-left: 4px solid var(--accent-gold); /* 减小边框 */
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05); /* 减小阴影 */
}

.stats-intro-title {
    font-size: clamp(16px, 2.2vw, 20px); /* 进一步减小字体 */
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 6px; /* 进一步减少间距 */
    position: relative;
    padding-bottom: 5px; /* 进一步减少padding */
}

.stats-intro-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px; /* 减小宽度 */
    height: 2px; /* 减小高度 */
    background: var(--accent-gold);
}

.stats-intro-text {
    font-size: clamp(12px, 1.4vw, 14px); /* 进一步减小字体 */
    line-height: 1.8; /* 减小行高 */
    color: #555;
    margin-bottom: 10px; /* 减少段落间距 */
    text-indent: 2em; /* 首行缩进 */
}

.stats-intro-text:last-child {
    margin-bottom: 0;
}

/* 桌面端全屏模式下更紧凑 */
@media (min-width: 1025px) {
    .stats-intro-text {
        font-size: 12px; /* 进一步减小字体 */
        line-height: 1.7; /* 减小行高 */
        margin-bottom: 8px; /* 减少段落间距 */
    }
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* 减小最小宽度 */
    gap: clamp(12px, 2vw, 20px); /* 进一步减少gap */
    max-width: 1200px;
    margin: 0 auto;
    height: 100%; /* 让容器填满父元素高度 */
}

/* 当屏幕宽度在700px-1000px之间时，强制2列布局 */
@media (min-width: 481px) and (max-width: 1000px) {
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
    }
}

/* 大屏幕时4列 */
@media (min-width: 1001px) {
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
    }
}

/* 小屏幕时1列 */
@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
}

.stat-card {
    background: linear-gradient(135deg, #ffffff 0%, #fffef8 100%);
    padding: 25px 20px; /* 进一步减少padding */
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08); /* 减小阴影 */
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.1);
    display: flex; /* 使用flex布局 */
    flex-direction: column; /* 垂直排列 */
    justify-content: center; /* 垂直居中 */
    align-items: center; /* 水平居中 */
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 12px 40px rgba(212, 175, 55, 0.4);
    border-color: var(--accent-gold);
}

.stat-icon {
    font-size: 36px; /* 减小图标 */
    margin-bottom: 12px; /* 减少margin */
}

.stat-number {
    font-size: clamp(28px, 3vw, 36px); /* 响应式数字大小 */
    font-weight: 900;
    margin-bottom: clamp(4px, 0.5vw, 6px); /* 响应式间距 */

    /* 数字渐变 - 金色到橙色 */
    background: linear-gradient(135deg,
        #f59e0b,  /* 琥珀色 */
        #d97706,  /* 深琥珀 */
        #ea580c   /* 橙色 */
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    /* 添加微光效果 */
    filter: drop-shadow(0 2px 4px rgba(245, 158, 11, 0.3));
}

.stat-label {
    font-size: clamp(11px, 1.2vw, 13px); /* 响应式字体 */
    color: #666;
    font-weight: 500;
}

/* ==================== 核心业务 ==================== */
.services-section {
    background: linear-gradient(135deg,
        #f8f9fa 0%,
        #f0f2f5 50%,
        #f8f9fa 100%
    );
    background-size: 200% 200%;
    animation: gradientMove 15s ease infinite;
    padding: 10px 0 60px 0 !important; /* 与关于宏冠section保持一致的顶部padding */
    align-items: flex-start !important; /* 顶部对齐 */
    position: relative;
    overflow: hidden;
}

/* 渐变背景移动动画 - 极轻量，GPU加速 */
@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 核心业务 - 背景装饰：浮动的圆形光斑 */
.services-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: floatOrb1 20s ease-in-out infinite;
}

.services-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: floatOrb2 25s ease-in-out infinite;
}

@keyframes floatOrb1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -30px) scale(1.1); }
    66% { transform: translate(-30px, 50px) scale(0.9); }
}

@keyframes floatOrb2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-40px, 40px) scale(1.15); }
    66% { transform: translate(40px, -40px) scale(0.85); }
}

.services-section .section-header {
    margin-bottom: 20px; /* 标题区域的下边距，为描述文字留出空间 */
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
}

/* 平板时2列 */
@media (min-width: 769px) and (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        padding: 0 25px;
    }
}

/* 小屏幕时1列 */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 卡片悬停时的光晕效果 */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(212, 175, 55, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

/* 边框渐变光晕 - 极轻量 */
.service-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
        rgba(59, 130, 246, 0.3),
        rgba(212, 175, 55, 0.3),
        rgba(59, 130, 246, 0.3)
    );
    background-size: 300% 300%;
    border-radius: 12px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
    animation: borderGlow 6s ease infinite;
}

@keyframes borderGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.service-card:hover {
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.18);
    transform: translateY(-8px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover::after {
    opacity: 1;
}

.service-image {
    height: 160px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-icon-wrapper {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.15) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.1);
}

.service-card:hover .service-icon-wrapper {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2) 0%, rgba(212, 175, 55, 0.25) 100%);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.service-icon {
    font-size: 22px;
    color: var(--accent-gold);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--accent-gold-light);
}

.service-title {
    font-size: clamp(18px, 2vw, 20px); /* 响应式标题 */
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: clamp(12px, 1.5vw, 15px);
}

.service-desc {
    font-size: clamp(14px, 1.5vw, 15px); /* 响应式描述 */
    line-height: 1.7;
    color: #666;
    margin-bottom: clamp(15px, 2vw, 20px);
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
}

.service-list li {
    display: flex;
    align-items: center;
    color: #666;
    font-size: 13px;
    margin-bottom: 6px;
}

.check-icon {
    color: var(--accent-gold);
    margin-right: 10px;
    font-weight: bold;
    font-style: normal;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
    margin-top: auto;
}

.service-link:hover {
    color: var(--accent-gold);
}

.service-link .arrow {
    margin-left: 8px;
    transition: transform 0.3s ease;
    display: inline-block;
}

.service-link:hover .arrow {
    transform: translateX(5px);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .service-image {
        height: 180px;
    }

    .service-content {
        padding: 20px;
    }

    .service-title {
        font-size: 18px;
    }

    .service-desc {
        font-size: 14px;
    }

    .service-list li {
        font-size: 13px;
    }
}

/* ==================== 代表案例 ==================== */
.projects-section {
    background: linear-gradient(135deg,
        #f0f2f5 0%,
        #f8f9fa 50%,
        #f0f2f5 100%
    );
    background-size: 200% 200%;
    animation: gradientMove 18s ease infinite;
    padding: 10px 0 60px 0 !important; /* 与关于宏冠section保持一致的顶部padding */
    align-items: flex-start !important; /* 顶部对齐 */
    position: relative;
    overflow: hidden;
}

/* 代表案例 - 背景装饰：对角线条纹 */
.projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 80px,
        rgba(26, 35, 50, 0.04) 80px,
        rgba(26, 35, 50, 0.04) 160px
    );
    pointer-events: none;
    z-index: 0;
}

.projects-section .section-header {
    margin-bottom: 20px; /* 标题区域的下边距，为描述文字留出空间 */
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; /* 减少间距从30px到20px */
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
}

/* 平板时2列 */
@media (min-width: 769px) and (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 25px;
    }
}

/* 小屏幕时1列 */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
}

.projects-grid .project-card {
    width: 100%;
}

.project-card {
    position: relative;
    height: 240px; /* 减少高度从280px到240px，让更多内容显示在一屏内 */
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 项目卡片边框光晕效果 */
.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(212, 175, 55, 0.3)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.project-card:hover::after {
    opacity: 1;
}

.project-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
    position: relative;
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

/* 为没有图片的项目添加占位符 - 只在没有背景图片时显示 */
.project-image:not([style*="background-image"])::before {
    content: '项目图片';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.2);
    letter-spacing: 0.3rem;
    pointer-events: none;
}

/* 项目1 - 新村八区旧改项目 - 缩略图 */
.project-card[data-project="1"] .project-image {
    background-image: url('../images/project-1.jpg');
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 50%, #c44569 100%);
}

/* 项目2 - 让胡路燃气改造项目 - 缩略图 */
.project-card[data-project="2"] .project-image {
    background-image: url('../images/project-2.jpg');
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 50%, #0abde3 100%);
}

/* 项目3 - 大同库里泡项目 - 缩略图 */
.project-card[data-project="3"] .project-image {
    background-image: url('../images/project-3.jpg');
    background-size: cover;
    background-position: center;
}

/* 项目4 - 大庆医学高等专科学校 - 缩略图 */
.project-card[data-project="4"] .project-image {
    background-image: url('../images/project-4.jpg');
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 50%, #0abde3 100%);
}

/* 如果图片加载失败，显示渐变背景 */
.project-card[data-project="1"] .project-image,
.project-card[data-project="2"] .project-image,
.project-card[data-project="3"] .project-image,
.project-card[data-project="4"] .project-image {
    background-size: cover;
    background-position: center;
}

/* 有实际图片的项目不显示占位符 */
.project-card[data-project="1"] .project-image::before,
.project-card[data-project="2"] .project-image::before,
.project-card[data-project="3"] .project-image::before,
.project-card[data-project="4"] .project-image::before {
    display: none;
}

/* 项目状态标签（在建） */
.project-status-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #ff9800 0%, #ff5722 100%);
    color: white;
    font-size: 13px;
    font-weight: 700;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(255, 87, 34, 0.3);
    z-index: 10;
    letter-spacing: 0.5px;
}

/* 项目覆盖层 - 默认隐藏，悬停时显示 */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(26, 35, 50, 0.95) 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px;
    color: var(--text-light);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

/* 项目标题 */
.project-title {
    font-size: clamp(18px, 2vw, 20px); /* 响应式标题 */
    font-weight: 700;
    margin-bottom: clamp(6px, 1vw, 8px);
    color: #ffffff;
}

/* 项目分类 */
.project-category {
    font-size: clamp(13px, 1.4vw, 14px); /* 响应式分类 */
    color: var(--accent-gold-light);
    margin-bottom: clamp(12px, 1.5vw, 15px);
}

/* 项目按钮容器 */
.project-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 项目按钮 */
.project-btn {
    padding: 10px 24px;
    background: var(--accent-gold);
    color: var(--primary-dark);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-btn:hover {
    background: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

/* VR全景按钮特殊样式 */
.project-vr-btn {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.project-vr-btn::before {
    content: '🌐';
    margin-right: 4px;
    font-size: 16px;
}

.project-vr-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.project-vr-btn:hover::after {
    width: 300px;
    height: 300px;
}

.project-vr-btn:hover {
    background: linear-gradient(135deg, #ffa726 0%, #fb8c00 100%);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.5);
}

/* 更多项目按钮 */
.more-projects-btn-wrapper {
    text-align: center;
    margin-top: clamp(20px, 3vh, 30px); /* 减少上边距，让按钮更容易显示 */
}

.more-projects-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    text-decoration: none;
    font-size: clamp(14px, 1.5vw, 16px);
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid #ff6b6b;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
    position: relative;
    overflow: hidden;
}

.more-projects-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.more-projects-btn:hover::before {
    left: 100%;
}

.more-projects-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
    border-color: #ee5a6f;
}

.more-projects-btn svg {
    transition: transform 0.3s ease;
}

.more-projects-btn:hover svg {
    transform: translateX(5px);
}

/* ==================== 企业资质 ==================== */
.qualifications-section {
    background: #f8f9fa;
    padding: clamp(15px, 2vh, 25px) 0 clamp(20px, 3vh, 30px) 0 !important;
    align-items: flex-start !important;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* 企业资质 - 背景装饰：SVG六边形图案 + 渐变动画 */
.qualifications-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 L50 17.5 L50 42.5 L30 55 L10 42.5 L10 17.5 Z' fill='none' stroke='rgba(59,130,246,0.08)' stroke-width='1'/%3E%3C/svg%3E"),
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    background-size: 60px 60px, 400px 400px, 400px 400px;
    background-position: 0 0, 0 0, 200px 200px;
    pointer-events: none;
    z-index: 0;
    animation: hexPattern 30s linear infinite;
}

@keyframes hexPattern {
    0% { background-position: 0 0, 0 0, 200px 200px; }
    100% { background-position: 60px 60px, 400px 400px, 600px 600px; }
}

/* 桌面端保持100vh并优化内容分布 */
@media (min-width: 1025px) {
    .qualifications-section {
        min-height: calc(100vh - var(--nav-height, 80px));
        max-height: calc(100vh - var(--nav-height, 80px));
        overflow: hidden;
    }

    .qualifications-section .container {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
}

.qualifications-section .container {
    padding: 0 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.qualifications-section .section-header {
    margin-bottom: clamp(10px, 1.5vh, 15px);
    flex-shrink: 0;
}

/* 企业基本信息横幅 */
.company-info-banner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(10px, 1.2vw, 12px);
    max-width: 1100px;
    margin: 0 auto clamp(10px, 1.2vh, 12px);
    padding: clamp(10px, 1.2vh, 12px);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.company-info-item {
    text-align: center;
    padding: clamp(8px, 1vh, 10px);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.company-info-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.info-label {
    font-size: clamp(9px, 1vw, 11px);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: clamp(3px, 0.4vh, 5px);
    font-weight: 500;
}

.info-value {
    font-size: clamp(12px, 1.3vw, 14px);
    color: var(--accent-gold);
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* 资质和人员内容包装器 - 使用Grid实现精确的列宽控制 */
/* 布局：资质3列 + 分割线 + 人员1列 = 总共5列，每列等宽 */
.qualifications-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 2px 1fr;
    gap: clamp(10px, 1.2vw, 14px);
    flex: 1;
    overflow: hidden;
    align-items: start;
    padding: 0 40px;
    position: relative;
}

/* 资质section - 占据前3列 */
.qualifications-main {
    grid-column: 1 / 4;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0; /* 防止flex子元素溢出 */
}

/* 竖向分割线 - 占据第4列（2px），贯通整个高度 */
.qualifications-divider {
    grid-column: 4;
    grid-row: 1;
    width: 2px;
    align-self: stretch;
    background: linear-gradient(to bottom,
        transparent 0%,
        var(--primary-color) 10%,
        var(--primary-color) 90%,
        transparent 100%);
}

/* 人员section - 占据第5列 */
.qualifications-personnel {
    grid-column: 5;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.qual-section-title {
    font-size: clamp(15px, 1.6vw, 18px);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: clamp(6px, 0.8vh, 8px);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 0 clamp(4px, 0.6vh, 6px);
    border-bottom: 2px solid var(--accent-gold);
    flex-shrink: 0;
}

.title-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    margin-right: 4px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.25);
}

/* 建筑业企业资质 - 蓝紫色渐变 */
.qualifications-main .title-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.25);
}

/* 专业技术人员 - 金橙色渐变 */
.qualifications-personnel .title-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}

.title-icon i {
    font-size: clamp(16px, 1.8vw, 18px);
    color: #ffffff;
}

/* 建筑业企业资质卡片 - 自适应列数 */
.qual-grid {
    display: grid;
    /* 默认3列布局，避免加载时闪动 */
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 1fr;
    gap: clamp(10px, 1.2vw, 14px);
    flex: 1;
    padding: 0;
    max-width: 100%;
    /* 最小高度，防止加载时布局跳动 */
    min-height: 400px;
}

/* 当资质数量确定时，通过data属性设置固定列数 */
.qual-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.qual-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.qual-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.qual-grid[data-columns="5"] {
    grid-template-columns: repeat(5, 1fr);
}

.qual-grid[data-columns="6"] {
    grid-template-columns: repeat(6, 1fr);
}

.qual-card {
    position: relative;
    text-align: center;
    padding: clamp(12px, 1.5vh, 18px) clamp(12px, 1.5vw, 16px);
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: clamp(160px, 18vh, 200px);
    background: white;
    border: 2px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

/* 资质卡片背景光晕 */
.qual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

/* 微光扫过效果 - 极轻量，GPU加速 */
.qual-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    pointer-events: none;
}

.qual-card:hover {
    transform: translateY(-5px);
    border-color: #d4af37;
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.2);
}

.qual-card:hover::before {
    opacity: 1;
}

/* 悬停时触发微光扫过 */
.qual-card:hover::after {
    transform: translateX(100%);
}

.qual-card:hover .qual-icon-large {
    transform: scale(1.1);
    filter: grayscale(0) drop-shadow(0 4px 8px rgba(212, 175, 55, 0.3));
}

/* 专业低调的配色方案 - 资质卡片统一深蓝色 */
.qual-card:nth-child(1),
.qual-card:nth-child(2),
.qual-card:nth-child(3),
.qual-card:nth-child(4),
.qual-card:nth-child(5),
.qual-card:nth-child(6),
.qual-card:nth-child(7),
.qual-card:nth-child(8),
.qual-card:nth-child(9) {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-left: 4px solid #1a2332;
}

.qual-card:nth-child(1):hover,
.qual-card:nth-child(2):hover,
.qual-card:nth-child(3):hover,
.qual-card:nth-child(4):hover,
.qual-card:nth-child(5):hover,
.qual-card:nth-child(6):hover,
.qual-card:nth-child(7):hover,
.qual-card:nth-child(8):hover,
.qual-card:nth-child(9):hover {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

/* 二级资质高亮卡片 - 保留兼容性 */
.qual-card-highlight {
    /* 样式已通过 nth-child 应用 */
}

.qual-card-highlight:hover {
    /* 样式已通过 nth-child 应用 */
}

/* 资质等级徽章 */
.qual-badge {
    position: absolute;
    top: clamp(6px, 0.8vh, 8px);
    right: clamp(6px, 0.8vw, 8px);
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    color: white;
    font-size: clamp(9px, 1vw, 11px);
    font-weight: 700;
    padding: clamp(3px, 0.4vh, 5px) clamp(8px, 1vw, 12px);
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(212, 175, 55, 0.3);
}

.qual-icon-large {
    font-size: clamp(35px, 4.5vw, 45px);
    margin-bottom: clamp(6px, 0.8vh, 10px);
    filter: grayscale(0.2) drop-shadow(0 2px 4px rgba(0,0,0,0.1));
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.qual-card-title {
    font-size: clamp(13px, 1.4vw, 15px);
    font-weight: 700;
    color: #1a2332;
    margin-bottom: clamp(4px, 0.5vh, 6px);
    line-height: 1.3;
}

.qual-card-desc {
    font-size: clamp(10px, 1.1vw, 12px);
    color: #4a5568;
    line-height: 1.4;
}

/* 更多资质按钮 */
.qual-more-button {
    margin-top: clamp(20px, 2.5vh, 30px);
    text-align: center;
}

.btn-more-quals {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: clamp(14px, 1.5vw, 16px);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-more-quals::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-more-quals:hover::before {
    left: 100%;
}

.btn-more-quals:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-more-quals:active {
    transform: translateY(-1px);
}

.more-icon {
    font-size: 20px;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.more-text {
    font-weight: 700;
}

.more-count {
    font-size: clamp(12px, 1.3vw, 14px);
    opacity: 0.9;
}

.more-arrow {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.btn-more-quals:hover .more-arrow {
    transform: translateX(5px);
}

/* 资质弹窗 */
.qualifications-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.qualifications-modal.active {
    display: flex;
}

.qualifications-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.qualifications-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    max-height: 85vh;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.qualifications-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);
}

.qualifications-modal-title {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-title-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
    animation: bounce 2s ease-in-out infinite;
}

.modal-title-icon i {
    font-size: clamp(22px, 2.8vw, 28px);
    color: #ffffff;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.qualifications-modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qualifications-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.qualifications-modal-body {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
}

.qualifications-modal-body::-webkit-scrollbar {
    width: 8px;
}

.qualifications-modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.qualifications-modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

.qualifications-modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

/* 弹窗中的资质分类 */
.modal-qual-category {
    margin-bottom: 40px;
}

.modal-qual-category:last-child {
    margin-bottom: 0;
}

.modal-category-title {
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid;
    border-image: linear-gradient(90deg, #667eea 0%, #764ba2 100%) 1;
    display: inline-block;
}

.modal-qual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.modal-qual-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    gap: 15px;
}

.modal-qual-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.modal-qual-icon {
    font-size: 40px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.modal-qual-content {
    flex: 1;
}

.modal-qual-title {
    font-size: 16px;
    font-weight: 700;
    color: #333;
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.modal-qual-badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 10px;
}

.modal-qual-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 8px 0;
}

.modal-qual-issuer {
    font-size: 12px;
    color: #999;
    margin: 5px 0 0 0;
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .qualifications-modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .qualifications-modal-header {
        padding: 20px;
    }

    .qualifications-modal-body {
        padding: 20px;
    }

    .modal-qual-grid {
        grid-template-columns: 1fr;
    }

    .btn-more-quals {
        padding: 14px 24px;
        gap: 8px;
    }
}

/* 专业技术人员统计 */
.personnel-stats {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: 1fr;
    gap: clamp(10px, 1.2vw, 14px);
    flex: 1;
    padding: 0;
    max-width: 100%;
}

.personnel-card {
    text-align: center;
    padding: clamp(12px, 1.5vh, 18px) clamp(12px, 1.5vw, 16px);
    border-radius: 12px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: clamp(160px, 18vh, 200px);
    background: white;
    border: 2px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.personnel-card:hover {
    transform: translateY(-3px);
    border-color: #d4af37;
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.15);
}

/* 专业低调的配色方案 - 人员卡片统一金色 */
.personnel-card:nth-child(1),
.personnel-card:nth-child(2),
.personnel-card:nth-child(3) {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-left: 4px solid #d4af37;
}

.personnel-card:nth-child(1):hover,
.personnel-card:nth-child(2):hover,
.personnel-card:nth-child(3):hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

/* 可点击的证书卡片 */
.personnel-card-clickable {
    cursor: pointer;
    position: relative;
}

.personnel-card-clickable::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.personnel-card-clickable:hover::after {
    opacity: 1;
}

.personnel-card-clickable:active {
    transform: translateY(-3px) scale(0.98);
}

.personnel-icon {
    font-size: clamp(24px, 2.8vw, 30px); /* 进一步减小图标 */
    margin-bottom: clamp(4px, 0.6vh, 6px); /* 减少margin */
}

.personnel-number {
    font-size: clamp(22px, 2.6vw, 28px); /* 进一步减小数字 */
    font-weight: 900;
    color: #333;
    margin-bottom: clamp(3px, 0.4vh, 4px); /* 减少margin */
    line-height: 1;
}

.personnel-number .unit {
    font-size: clamp(13px, 1.5vw, 16px); /* 进一步减小单位 */
    font-weight: 700;
    margin-left: 2px;
}

.personnel-label {
    font-size: clamp(12px, 1.4vw, 14px);
    font-weight: 700;
    color: #444;
    margin-bottom: clamp(3px, 0.4vh, 5px);
}

.personnel-detail {
    font-size: clamp(9px, 1vw, 11px); /* 进一步减小字体 */
    color: #666;
}

/* ==================== 安全管理 ==================== */
.safety-section {
    background: #ffffff;
    padding: 10px 0 15px 0 !important;
    align-items: flex-start !important;
}

.safety-section .container {
    padding: 0;
}

.safety-section .section-header {
    margin-bottom: 20px;
    padding: 0 20px;
}

.safety-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 4vw, 60px);
    align-items: center;
    padding: 0 40px;
}

/* 左侧图片列 */
.safety-image-column {
    position: relative;
    padding-bottom: 40px;
    padding-right: 40px;
}

.safety-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: visible;
    cursor: pointer;
}

/* 图片容器，用于裁剪图片和遮罩 */
.safety-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    overflow: hidden;
    z-index: 0;
}

.safety-main-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
    position: relative;
    z-index: 0;
}

.safety-image-wrapper:hover .safety-main-image {
    transform: scale(1.05);
}

/* 安全图片悬停遮罩层 */
.safety-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.95) 0%, rgba(212, 175, 55, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
    border-radius: 20px;
    padding: 40px;
    z-index: 5;
    box-sizing: border-box;
}

.safety-image-wrapper:hover .safety-image-overlay {
    opacity: 1;
    transform: scale(1.05);
}

.safety-overlay-content {
    text-align: center;
    color: white;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.safety-image-wrapper:hover .safety-overlay-content {
    transform: translateY(0);
}

.safety-overlay-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.safety-overlay-desc {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.95);
}

.safety-overlay-features {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.safety-feature-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

/* 安全天数统计卡片 */
.safety-stats-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    padding: clamp(25px, 3vw, 35px) clamp(30px, 3.5vw, 40px);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(243, 156, 18, 0.5);
    text-align: left;
    min-width: 220px;
    z-index: 10;
}

.safety-stats-card .stats-card-label {
    font-size: clamp(13px, 1.3vw, 15px);
    color: #ffffff;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    font-weight: 500;
}

.safety-stats-card .stats-card-number {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: 8px;
}

.safety-stats-card .number-large {
    font-size: clamp(40px, 5vw, 56px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1;
}

.safety-stats-card .number-unit {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 500;
    color: #ffffff;
}

/* 右侧文字列 */
.safety-text-column {
    padding: clamp(10px, 2vw, 20px);
}

.safety-heading {
    font-size: clamp(22px, 2.5vw, 32px);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: clamp(15px, 2vh, 20px);
    line-height: 1.3;
}

.safety-paragraph {
    font-size: clamp(14px, 1.5vw, 16px);
    color: #555;
    line-height: 1.8;
    margin-bottom: clamp(25px, 3vh, 35px);
}

/* 安全管理措施 */
.safety-measures {
    display: grid;
    gap: clamp(18px, 2.5vh, 25px);
    margin-bottom: clamp(25px, 3vh, 35px);
}

.safety-measure-item {
    display: flex;
    gap: clamp(15px, 2vw, 20px);
    align-items: flex-start;
}

.measure-icon-wrapper {
    width: clamp(45px, 5vw, 55px);
    height: clamp(45px, 5vw, 55px);
    background: linear-gradient(135deg, rgba(10, 61, 98, 0.1) 0%, rgba(10, 61, 98, 0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.safety-measure-item:hover .measure-icon-wrapper {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a2332 100%);
    transform: scale(1.1);
}

.measure-icon {
    font-size: clamp(18px, 2.2vw, 24px);
    color: var(--primary-dark);
    transition: color 0.3s ease;
}

.safety-measure-item:hover .measure-icon {
    color: #ffffff;
}

.measure-content {
    flex: 1;
}

.measure-title {
    font-size: clamp(15px, 1.7vw, 18px);
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: clamp(6px, 0.8vh, 10px);
}

.measure-desc {
    font-size: clamp(13px, 1.4vw, 15px);
    color: #666;
    line-height: 1.6;
}

/* CTA按钮 */
.safety-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: clamp(12px, 1.5vh, 15px) clamp(25px, 3vw, 35px);
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a2332 100%);
    color: #ffffff;
    font-size: clamp(14px, 1.5vw, 16px);
    font-weight: 500;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(10, 61, 98, 0.2);
}

.safety-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 61, 98, 0.3);
    background: linear-gradient(135deg, #1a2332 0%, var(--primary-dark) 100%);
}

.safety-cta-btn i {
    transition: transform 0.3s ease;
}

.safety-cta-btn:hover i {
    transform: translateX(5px);
}

/* 安全管理亮点 */
.safety-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(15px, 2vw, 25px);
    margin-top: clamp(30px, 4vh, 50px);
}

.highlight-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: clamp(20px, 2.5vw, 30px);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(10, 61, 98, 0.1);
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-gold);
}

.highlight-icon {
    font-size: clamp(28px, 3.5vw, 40px);
    color: var(--primary-dark);
    margin-bottom: clamp(10px, 1.5vh, 15px);
}

.highlight-number {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: clamp(6px, 1vh, 10px);
    line-height: 1;
}

.highlight-number .unit {
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 400;
    margin-left: 2px;
}

.highlight-label {
    font-size: clamp(12px, 1.3vw, 14px);
    color: #666;
    font-weight: 500;
}

/* ==================== 联系我们 ==================== */
.section.contact-section {
    background: var(--bg-section); /* 浅色背景 */
    padding: 20px 0 0 0 !important;
    position: relative;
    overflow: hidden;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    height: calc(100vh - var(--nav-height, 80px)); /* 固定高度，让标题和页脚都在一屏内 */
    max-height: calc(100vh - var(--nav-height, 80px));
    scroll-margin-top: var(--nav-height, 80px);
}

/* 联系我们 - 背景装饰：地图纹理效果 */
.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.08) 2px, transparent 2px),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.08) 2px, transparent 2px),
        radial-gradient(circle at 40% 60%, rgba(212, 175, 55, 0.06) 2px, transparent 2px);
    background-size: 40px 40px, 60px 60px, 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.contact-section .container {
    padding: 0 20px;
    padding-top: 15px;
    position: relative;
    z-index: 1;
    margin-bottom: 0;
    max-width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* 防止内容溢出 */
}

.contact-section .section-header {
    margin-bottom: 10px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: clamp(15px, 2vw, 25px);
    max-width: 100%;
    margin: 0 auto;
    align-items: stretch;
    align-content: start;
    padding: 0 40px;
    flex: 1;
    min-height: 0; /* 允许缩小 */
    overflow: hidden;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.5vh, 15px);
}

.contact-item {
    display: flex;
    gap: clamp(10px, 1.2vw, 14px);
    background: white;
    padding: clamp(12px, 1.5vh, 18px) clamp(14px, 1.5vw, 20px);
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border-left: 4px solid var(--accent-gold);
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 24px rgba(212, 175, 55, 0.25);
    border-left-color: var(--primary-dark);
}

.contact-icon {
    width: clamp(40px, 4.5vw, 48px);
    height: clamp(40px, 4.5vw, 48px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
    transition: all 0.3s ease;
}

.contact-icon i {
    font-size: clamp(24px, 2.8vw, 30px); /* 恢复原来的图标字体 */
    color: #ffffff;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
}

.contact-details h4 {
    font-size: clamp(16px, 1.8vw, 18px);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: clamp(6px, 0.8vh, 8px);
    letter-spacing: 0.5px;
}

.contact-details p {
    font-size: clamp(13px, 1.4vw, 15px);
    color: #555;
    line-height: 1.6;
    font-weight: 400;
}

.contact-map {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    height: 100%;
    border: 2px solid #f0f0f0;
}

.baidu-map-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* 联系我们页面的页脚 */
.contact-footer {
    width: 100%;
    padding: clamp(10px, 1.2vh, 14px) clamp(20px, 2.5vw, 30px);
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a2332 100%);
    text-align: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    margin-top: auto;
    flex-shrink: 0;
}

.contact-footer .footer-logo {
    color: white;
    font-size: clamp(15px, 1.8vw, 18px); /* 进一步减小字体 */
    font-weight: 600;
    margin-bottom: 6px; /* 进一步减小间距 */
    letter-spacing: 0.8px;
}

.contact-footer .footer-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: clamp(11px, 1.2vw, 13px); /* 进一步减小字体 */
    margin: 0;
    padding-bottom: 6px; /* 进一步减小间距 */
    letter-spacing: 0.3px;
}

.contact-footer .footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: clamp(11px, 1.2vw, 12px);
    margin: 0;
    padding-bottom: 0; /* 移除底部padding，让页脚紧贴底部 */
    letter-spacing: 0.3px;
}

.contact-footer .footer-copyright a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-footer .footer-copyright a:hover {
    color: var(--accent-gold);
}

/* ==================== 固定底部版权栏 ==================== */
.fixed-copyright-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    text-align: center;
    padding: 10px 20px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.fixed-copyright-bar.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

.copyright-inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 8px 20px;
    border-radius: 20px;
}

.fixed-copyright-bar .copyright-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.3px;
    margin: 0;
}

.fixed-copyright-bar .icp-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
}

.fixed-copyright-bar .icp-link:hover {
    color: var(--accent-gold);
}

.fixed-copyright-bar .icp-link i {
    font-size: 11px;
}

/* 版权栏响应式调整 */
@media screen and (max-width: 768px) {
    .fixed-copyright-bar {
        padding: 8px 15px;
    }
    
    .copyright-inner {
        flex-direction: column;
        gap: 4px;
        padding: 6px 15px;
    }
    
    .fixed-copyright-bar .copyright-text,
    .fixed-copyright-bar .icp-link {
        font-size: 10px;
    }
}

/* 移动端联系我们页脚调整 */
@media screen and (max-width: 768px) {
    .contact-footer {
        padding-bottom: 20px;
    }
}

/* 百度地图GL信息窗口样式优化 */
.BMapGL_bubble_content,
.BMap_bubble_content {
    font-family: -apple-system, "Microsoft YaHei", "PingFang SC", sans-serif !important;
    padding: 0 !important;
    margin: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
    background: transparent !important;
    background-color: transparent !important;
}

/* 调整关闭按钮样式 */
.BMapGL_bubble_close,
.BMap_bubble_close {
    top: 3px !important;
    right: 6px !important;
}

/* 调整信息窗口顶部、中间、底部样式 */
.BMapGL_bubble_top,
.BMap_bubble_top {
    border-radius: 8px 8px 0 0 !important;
    background-image: none !important;
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    overflow: visible !important;
}

.BMapGL_bubble_center,
.BMap_bubble_center {
    padding: 0 !important;
    margin: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    background-image: none !important;
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
}

.BMapGL_bubble_bottom,
.BMap_bubble_bottom {
    height: 12px !important;
    display: block !important;
    background-image: none !important;
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
}

/* 信息窗口主体和容器样式 */
.BMapGL_bubble_pop,
.BMap_bubble_pop {
    height: auto !important;
    min-height: 0 !important;
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}

.BMapGL_bubble,
.BMap_bubble {
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    filter: none !important;
    -webkit-filter: none !important;
    z-index: 100 !important;
}

/* 强制隐藏信息窗口的白色边框容器 */
.BMapGL_bubble_top > div,
.BMap_bubble_top > div,
.BMapGL_bubble_center > div,
.BMap_bubble_center > div {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
}

/* 移除阴影元素 - 只针对百度地图的阴影类 */
.anchorBL,
.BMapGL_shadow,
.BMap_shadow,
div[class*="shadow"],
div[class*="Shadow"] {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
    pointer-events: none !important;
}

/* 移除信息窗口周围的所有阴影层 */
.BMapGL_bubble_shadow,
.BMap_bubble_shadow,
.BMapGL_InfoWindow_shadow,
.BMap_InfoWindow_shadow {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

/* 移除阴影图片 */
img[src*="shadow.png"],
img[src*="Shadow.png"],
img[src*="/shadow"],
img[src*="/Shadow"] {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

/* 移除信息窗口的box-shadow，但保留内容，并提升z-index */
.BMapGL_bubble,
.BMap_bubble,
.BMapGL_bubble_pop,
.BMap_bubble_pop {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    filter: drop-shadow(0 0 0 transparent) !important;
    -webkit-filter: drop-shadow(0 0 0 transparent) !important;
    z-index: 99999 !important;
    position: relative !important;
}

/* 移除信息窗口各部分的阴影和背景图片，并确保箭头显示 */
.BMapGL_bubble_top,
.BMap_bubble_top,
.BMapGL_bubble_center,
.BMap_bubble_center,
.BMapGL_bubble_bottom,
.BMap_bubble_bottom {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    filter: none !important;
    -webkit-filter: none !important;
    background: none !important;
    background-image: none !important;
    z-index: 99999 !important;
}

/* 确保信息窗口的箭头（尖角）完整显示 */
.BMapGL_bubble_bottom,
.BMap_bubble_bottom {
    overflow: visible !important;
    z-index: 100000 !important;
    position: relative !important;
}

/* 强制移除信息窗口容器的所有阴影效果 */
div[class*="bubble"],
div[class*="Bubble"] {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    filter: none !important;
    -webkit-filter: none !important;
}

/* 移除信息窗口的边框阴影图片 */
.BMapGL_bubble img,
.BMap_bubble img {
    filter: none !important;
    -webkit-filter: none !important;
}

/* 隐藏可能的阴影层div */
.BMapGL_bubble > div[style*="position"],
.BMap_bubble > div[style*="position"] {
    filter: none !important;
    box-shadow: none !important;
}

/* 地图标记和指示箭头层级 */
.BMapGL_Marker,
.BMap_Marker {
    z-index: 9999 !important;
}

.BMapGL_bubble_pointer,
.BMap_bubble_pointer {
    z-index: 10000 !important;
    position: relative !important;
}

/* 移除所有子元素的阴影 */
.BMapGL_bubble_pop *,
.BMap_bubble_pop *,
.BMapGL_bubble *,
.BMap_bubble * {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    text-shadow: none !important;
    filter: none !important;
}

/* 移除信息窗口标题的阴影 */
.BMapGL_bubble_title,
.BMap_bubble_title {
    background: transparent !important;
    border: none !important;
    border-bottom: 2px solid #D4AF37 !important;
    padding: 4px 0 3px 0 !important;
    font-size: 12px !important;
    font-weight: bold !important;
    color: #1A2332 !important;
    height: auto !important;
    line-height: 1.2 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    text-align: center !important;
    margin: 0 !important;
    box-shadow: none !important;
    text-shadow: none !important;
}

.map-info-window {
    padding: 0 !important;
    margin: 0 !important;
    font-family: -apple-system, "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1 !important;
    height: auto !important;
    min-height: 0 !important;
}

.map-info-window h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
    border-bottom: 2px solid var(--accent-gold);
    padding-bottom: 6px;
}

.map-info-window p {
    font-size: 12px;
    color: #666;
    margin: 6px 0;
    line-height: 1.6;
}

/* 百度地图GL控件样式优化 */
.BMapGL-ctrl-zoom,
.BMapGL-ctrl-nav3d {
    border-radius: 6px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.BMapGL-ctrl-zoom a,
.BMapGL-ctrl-nav3d a {
    border-radius: 4px !important;
}

/* ==================== 页脚 ==================== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: var(--text-light);
    padding: clamp(10px, 1.2vh, 15px) 0 clamp(6px, 0.8vh, 10px);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-gold) 50%, transparent 100%);
}

.footer::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(20px, 2.5vw, 30px);
    margin-bottom: clamp(6px, 0.8vh, 10px);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.footer-logo {
    font-family: "HLJHG", sans-serif;
    font-size: clamp(15px, 1.7vw, 18px);
    font-weight: 900;
    color: var(--accent-gold);
    margin-bottom: clamp(4px, 0.5vh, 6px);
    text-align: center;
}

.footer-desc {
    font-size: clamp(11px, 1.2vw, 13px);
    color: var(--text-gray);
    margin-bottom: clamp(4px, 0.5vh, 6px);
    line-height: 1.4;
    text-align: center;
}

.footer-address {
    font-size: clamp(10px, 1.1vw, 11px);
    color: var(--text-gray);
    line-height: 1.4;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: clamp(4px, 0.5vh, 6px);
}

.footer-contact h4 {
    font-size: clamp(13px, 1.4vw, 15px);
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: clamp(4px, 0.5vh, 6px);
}

.footer-contact p {
    font-size: clamp(11px, 1.2vw, 12px);
    color: var(--text-gray);
}

.footer-tech {
    color: var(--accent-gold-light) !important;
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding-top: clamp(6px, 0.8vh, 10px);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: clamp(9px, 1vw, 11px);
    color: var(--text-gray);
    margin: 0;
}

/* 页脚链接样式 */
.footer a,
.footer-copyright a {
    color: var(--text-gray) !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover,
.footer-copyright a:hover {
    color: var(--accent-gold) !important;
}

.footer a:visited,
.footer-copyright a:visited {
    color: var(--text-gray) !important;
}

/* ==================== 弹窗 ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 8px;
    position: relative;
    animation: slideUp 0.3s ease;

    /* 自定义滚动条样式 */
    scrollbar-width: thin;
    scrollbar-color: rgba(212, 175, 55, 0.5) rgba(0, 0, 0, 0.05);
}

/* 自定义滚动条 - Chrome/Safari/Opera */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.5);
    border-radius: 4px;
    transition: background 0.3s ease;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 175, 55, 0.8);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 36px;
    font-weight: 300;
    color: #999;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--accent-gold);
    transform: rotate(90deg);
}

.modal-body {
    padding: 60px 50px;
}

/* 证书详情弹窗 - 简洁专业风格 */
.certificate-modal-content {
    max-width: 1000px;
    max-height: 90vh;
}

/* 证书总数卡片 - 简洁设计 */
.certificate-total {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 2px solid #e8e8e8;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.certificate-total::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1a2332 0%, #d4af37 50%, #1a2332 100%);
}

.certificate-total-number {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1;
    color: #1a2332;
    letter-spacing: -2px;
}

.certificate-total-label {
    font-size: 16px;
    color: #666;
    letter-spacing: 2px;
    font-weight: 500;
}

/* 证书分类网格 */
.certificate-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

/* 证书分类卡片 */
.certificate-category {
    margin-bottom: 0;
    background: white;
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 1px solid #e8e8e8;
    transition: all 0.3s ease;
}

.certificate-category:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* 分类标题 - 简洁设计 */
.certificate-category-title {
    font-size: 15px;
    font-weight: 600;
    color: #1a2332;
    padding: 16px 20px;
    margin: 0;
    border: none;
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 2px solid #e8e8e8;
}

.certificate-category-icon {
    font-size: 18px;
}

/* 证书列表 */
.certificate-list {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fafafa;
}

/* 证书项 - 简洁卡片设计 */
.certificate-item {
    background: white;
    padding: 14px 18px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-left: 3px solid #d4af37;
}

.certificate-item:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-left-color: #1a2332;
}

.certificate-name {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.certificate-count {
    font-size: 18px;
    font-weight: 700;
    color: #1a2332;
    min-width: 50px;
    text-align: right;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, #e6c04e 100%);
    color: var(--primary-dark);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.back-to-top::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--accent-gold);
    z-index: -1;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0;
    }
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: linear-gradient(135deg, #e6c04e 0%, var(--accent-gold-light) 100%);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
}

/* ==================== 动画 ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ==================== 响应式设计 ==================== */

/* 超大屏设备（三折叠手机展开、超宽显示器） */
@media (min-width: 1920px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }

    .project-card {
        height: 320px;
    }

    .contact-content {
        grid-template-columns: 1fr 2fr;
        max-width: 100%;
        gap: 50px;
    }

    .contact-map,
    .baidu-map-container {
        height: 100%;
    }

    .footer-content {
        max-width: 1000px;
    }
}

/* 大屏设备（桌面显示器、三折叠手机双屏展开） */
@media (min-width: 1400px) and (max-width: 1919px) {
    .container {
        max-width: 100%;
        padding: 0 25px;
    }
}

/* 平板横屏、三折叠手机单屏展开 */
@media (min-width: 1025px) and (max-width: 1399px) {
    .container {
        max-width: 100%;
        padding: 0 25px;
    }

    .hero-content {
        max-width: 90%;
    }

    .hero-title {
        font-size: clamp(32px, 4vw, 48px);
    }

    .hero-subtitle {
        font-size: clamp(16px, 2vw, 22px);
    }

    .hero-description {
        font-size: clamp(14px, 1.5vw, 18px);
    }
}

/* 平板竖屏和小笔记本 */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 20px;
    }

    .hero-content {
        max-width: 92%;
    }

    .hero-title {
        font-size: clamp(28px, 4.5vw, 40px);
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: clamp(14px, 2.2vw, 20px);
    }

    .hero-description {
        font-size: clamp(13px, 1.6vw, 17px);
    }

    .hero-buttons {
        flex-wrap: wrap;
        gap: 15px;
    }

    .btn {
        padding: clamp(13px, 1.6vw, 16px) clamp(30px, 4.5vw, 40px);
        font-size: clamp(14px, 1.6vw, 16px);
        border-radius: 50px;
    }
}

/* 平板竖屏 */
@media (max-width: 1024px) {
    .section-title::before,
    .section-title::after {
        width: 20px;
    }

    .section-title::before {
        left: -35px;
    }

    .section-title::after {
        right: -35px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 25px; /* 与核心业务平板端保持一致 */
    }

    .contact-map,
    .baidu-map-container {
        height: max(350px, 45vh);
        min-height: 350px;
    }

    .footer-content {
        gap: 15px;
    }

    .project-card {
        height: 280px;
    }

    .modal-content {
        width: 90%;
        padding: clamp(20px, 4vw, 35px);
    }

    /* 资质section平板响应式 */
    .qualifications-section .section-header {
        padding: 0 25px; /* 与核心业务平板端保持一致 */
    }

    /* 平板端改为上下布局 */
    .qualifications-content-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 25px;
    }

    .qualifications-main {
        grid-column: 1;
    }

    .qualifications-personnel {
        grid-column: 1;
    }

    .qualifications-divider {
        display: none;
    }

    .company-info-banner {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* 安全管理section平板响应式 */
    .safety-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .safety-image-column {
        order: 2;
    }

    .safety-text-column {
        order: 1;
    }

    .safety-stats-card {
        bottom: -20px;
        right: -20px;
    }

    .safety-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .qual-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 0 25px; /* 与核心业务平板端保持一致 */
    }

    .personnel-stats {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 25px;
    }

    .qual-section-title {
        padding: 0 25px clamp(4px, 0.6vh, 6px); /* 与核心业务平板端保持一致 */
    }
}

/* 中等窄屏：隐藏部分导航链接，只保留核心链接 */
@media (min-width: 769px) and (max-width: 950px) {
    .nav-link:nth-child(n+5) {
        display: none; /* 隐藏第5个及以后的链接 */
    }

    .nav-menu {
        gap: clamp(8px, 2vw, 20px); /* 进一步减小间距 */
    }
}

/* 极窄桌面屏：只保留最核心的3个链接 */
@media (min-width: 769px) and (max-width: 850px) {
    .nav-link:nth-child(n+4) {
        display: none; /* 只保留前3个链接 */
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(26, 35, 50, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
        padding: 20px;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: clamp(16px, 4vw, 18px);
        padding: 15px 30px;
        width: 100%;
        text-align: center;
        border-radius: 8px;
        background: rgba(212, 175, 55, 0.1);
    }

    .nav-link:hover,
    .nav-link.active {
        background: rgba(212, 175, 55, 0.2);
    }

    .nav-toggle {
        display: flex;
    }

    .logo-text {
        font-size: clamp(9px, 3vw, 14px); /* 最小9px */
        white-space: nowrap; /* 确保不换行 */
    }

    .hero-section {
        min-height: clamp(60vh, 80vw, 75vh);
        padding: 100px 0 60px;
    }

    .hero-content {
        max-width: 95%;
        padding: 0 clamp(15px, 4vw, 25px);
    }

    .hero-title {
        font-size: clamp(16px, 4.5vw, 32px);
        line-height: 1.3;
        margin-bottom: clamp(10px, 2vw, 20px);
        word-break: break-word;
    }

    .hero-subtitle {
        font-size: clamp(10px, 2.2vw, 18px);
        line-height: 1.5;
        margin-bottom: clamp(12px, 2vw, 20px);
    }

    .hero-description {
        font-size: clamp(11px, 1.8vw, 16px);
        line-height: 1.6;
        margin-bottom: clamp(20px, 3vw, 30px);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        width: 100%;
    }

    .btn {
        width: 100%;
        max-width: clamp(250px, 80vw, 320px);
        text-align: center;
        padding: clamp(13px, 2vw, 16px) clamp(24px, 5vw, 36px);
        border-radius: 50px;
    }

    .section {
        padding: clamp(40px, 12vw, 60px) 0;
    }

    .section-header {
        margin-bottom: clamp(30px, 8vw, 40px);
    }

    .section-title::before,
    .section-title::after {
        display: none;
    }

    .mission-team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: clamp(25px, 6vw, 35px) clamp(18px, 4vw, 25px);
    }

    .service-icon {
        font-size: clamp(36px, 8vw, 44px);
        margin-bottom: 15px;
    }

    /* 资质section手机响应式 */
    .qualifications-section .section-header {
        padding: 0 20px; /* 与核心业务移动端保持一致 */
    }

    /* 移动端改为上下布局 */
    .qualifications-content-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }

    .qualifications-main {
        grid-column: 1;
    }

    .qualifications-personnel {
        grid-column: 1;
    }

    .qualifications-divider {
        display: none;
    }

    .company-info-banner {
        grid-template-columns: 1fr;
    }

    /* 安全管理section手机响应式 */
    .safety-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .safety-image-column {
        order: 1;
    }

    .safety-text-column {
        order: 2;
        padding: 0;
    }

    .safety-stats-card {
        position: static;
        margin-top: 20px;
        min-width: auto;
    }

    .safety-measures {
        gap: 20px;
    }

    .safety-measure-item {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .measure-icon-wrapper {
        margin: 0 auto;
    }

    .safety-highlights {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .safety-cta-btn {
        width: 100%;
        justify-content: center;
        gap: 10px;
        padding: 15px;
    }

    .qual-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 0 20px; /* 与核心业务移动端保持一致 */
    }

    .qual-card,
    .qual-card-highlight {
        padding: 20px 15px;
    }

    .qual-badge {
        top: 8px;
        right: 8px;
        font-size: 11px;
        padding: 4px 10px;
    }

    .personnel-stats {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 0 20px;
    }

    .qual-section-title {
        padding: 0 20px clamp(4px, 0.6vh, 6px); /* 与核心业务移动端保持一致 */
    }

    .personnel-card {
        padding: 25px 18px;
    }

    .project-card {
        height: 250px;
    }

    .project-overlay {
        padding: 20px;
    }

    .project-title {
        font-size: 18px;
        margin-bottom: 6px;
    }

    .project-category {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .project-buttons {
        gap: 8px;
        flex-wrap: wrap;
    }

    .project-btn {
        padding: 8px 20px;
        font-size: 13px;
    }

    /* 移动端企业实力区域优化 */
    .about-stats-section {
        grid-template-columns: 1fr; /* 移动端改为单列 */
        gap: 15px;
    }

    /* 企业简介文字区域样式 */
    .about-text {
        background: white;
        border-radius: 15px;
        padding: 20px 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    }

    .about-heading {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .about-paragraph {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 10px;
        text-indent: 2em; /* 首行缩进 */
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr); /* 2列2行布局 */
        gap: 10px;
        max-width: none; /* 移除最大宽度限制 */
        margin: 0; /* 移除居中 */
    }

    .stat-card {
        padding: 15px; /* 增加padding让卡片更大 */
        flex-direction: column; /* 改回纵向布局 */
        justify-content: center; /* 居中对齐 */
        align-items: center; /* 水平居中 */
        gap: 8px; /* emoji和内容之间的间距 */
    }

    .stat-icon {
        font-size: 28px; /* 减小emoji大小 */
        margin-bottom: 0; /* 移除底部间距 */
        flex-shrink: 0; /* 防止emoji被压缩 */
    }

    .stat-content {
        display: flex;
        flex-direction: column;
        align-items: flex-start; /* 左对齐 */
        gap: 2px;
    }

    .stat-number {
        font-size: clamp(22px, 5.5vw, 26px); /* 减小数字大小 */
        margin-bottom: 0;
        line-height: 1;
    }

    .stat-label {
        font-size: clamp(11px, 2.8vw, 13px);
        line-height: 1.2;
    }

    .about-paragraph {
        font-size: clamp(14px, 3vw, 16px);
        line-height: 1.8;
    }

    /* 移动端企业优势图标优化 */
    .advantage-item {
        padding: 24px 20px;
    }

    .advantage-icon {
        width: 60px;
        height: 60px;
    }

    .advantage-icon i {
        font-size: 28px;
    }

    .advantage-title {
        font-size: 16px;
    }

    .advantage-desc {
        font-size: 13px;
    }

    /* 移动端联系我们section优化 */
    .contact-section .container {
        padding: 0 20px; /* 与其他section保持一致 */
    }

    .contact-section .section-header {
        margin-bottom: 20px; /* 保持与其他section一致 */
    }

    .contact-content {
        padding: 0 20px; /* 与核心业务移动端保持一致 */
    }

    .contact-info {
        gap: 12px;
    }

    .contact-item {
        padding: 12px 15px;
        gap: 12px;
        border-radius: 10px;
    }

    .contact-icon {
        width: 44px;
        height: 44px;
    }

    .contact-icon i {
        font-size: 20px;
    }

    .contact-details h4 {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .contact-details p {
        font-size: 12px;
        line-height: 1.5;
    }

    .contact-footer {
        margin-top: 20px;
        padding: 20px 15px;
        border-radius: 10px;
    }

    .contact-footer .footer-logo {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .contact-footer .footer-desc {
        font-size: 12px;
    }

    .contact-map,
    .baidu-map-container {
        height: max(250px, 35vh);
        min-height: 250px;
    }

    /* 移动端页脚优化 */
    .footer {
        padding: 12px 0 6px;
    }

    .footer-content {
        gap: 12px;
        margin-bottom: 6px;
    }

    .footer-logo {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .footer-desc {
        font-size: 11px;
        margin-bottom: 3px;
        line-height: 1.3;
    }

    .footer-address {
        font-size: 10px;
        line-height: 1.3;
    }

    .footer-contact {
        gap: 3px;
    }

    .footer-contact h4 {
        font-size: 12px;
        margin-bottom: 3px;
    }

    .footer-contact p {
        font-size: 10px;
    }

    .footer-bottom {
        padding-top: 6px;
    }

    .footer-bottom p {
        font-size: 9px;
    }

    .contact-info-item {
        padding: clamp(18px, 4vw, 25px);
    }

    .modal-content {
        width: 95%;
        margin: 20px auto;
        max-height: 90vh;
        padding: clamp(20px, 5vw, 30px);
    }

    .modal-body {
        padding: clamp(25px, 6vw, 35px) clamp(18px, 4vw, 25px);
    }

    .modal-title {
        font-size: clamp(20px, 5vw, 26px);
    }

    /* 证书详情弹窗响应式 */
    .certificate-total {
        padding: 30px 20px;
    }

    .certificate-total-number {
        font-size: 56px;
    }

    .certificate-total-label {
        font-size: 16px;
    }

    .certificate-category-title {
        font-size: 16px;
        padding: 12px 15px;
    }

    .certificate-list {
        padding: 15px;
    }

    .certificate-item {
        padding: 12px 15px;
    }

    .certificate-name {
        font-size: 14px;
    }

    .certificate-count {
        font-size: 20px;
    }

    .project-detail-images {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        width: clamp(40px, 10vw, 50px);
        height: clamp(40px, 10vw, 50px);
        bottom: clamp(15px, 4vw, 25px);
        right: clamp(15px, 4vw, 25px);
        font-size: clamp(18px, 4vw, 22px);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 12px;
        height: 70px;
    }

    .logo-image {
        height: 32px;
    }

    .logo-icon {
        font-size: 16px;
        padding: 5px 10px;
    }

    .logo-text {
        font-size: clamp(8px, 2.5vw, 10px); /* 最小8px */
        letter-spacing: 0;
        max-width: none; /* 移除宽度限制 */
        white-space: nowrap; /* 确保不换行 */
    }

    .hero-section {
        min-height: 60vh;
        padding: 80px 0 40px;
    }

    .hero-content {
        max-width: 98%;
        padding: 0 12px;
    }

    .hero-title {
        font-size: clamp(16px, 5.5vw, 24px);
        line-height: 1.25;
        margin-bottom: 10px;
        word-break: break-word;
        hyphens: auto;
    }

    .hero-subtitle {
        font-size: clamp(10px, 3vw, 14px);
        letter-spacing: clamp(0.5px, 0.3vw, 1.5px);
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .hero-description {
        font-size: clamp(11px, 2.8vw, 13px);
        line-height: 1.5;
        margin-bottom: 20px;
        padding: 0 5px;
    }

    .hero-buttons {
        gap: 10px;
        width: 100%;
    }

    .btn {
        font-size: clamp(13px, 3.5vw, 15px);
        padding: 13px 24px;
        width: 100%;
        max-width: 280px;
        border-radius: 50px;
    }

    .section {
        padding: 50px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-subtitle {
        font-size: 12px;
        letter-spacing: 2px;
    }

    .section-title {
        font-size: 26px;
        line-height: 1.2;
        margin-bottom: 15px;
    }

    .mission-team-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin: 20px 0;
    }

    .mission-box {
        padding: 20px 15px;
    }

    .mission-title {
        font-size: 16px;
    }

    .mission-text {
        font-size: 13px;
    }

    .team-member {
        padding: 18px 15px;
        gap: 12px;
    }

    .member-icon {
        font-size: 32px;
        width: 50px;
        height: 50px;
    }

    .member-name {
        font-size: 14px;
    }

    .member-desc {
        font-size: 12px;
    }

    .section-description {
        font-size: 14px;
        padding: 0 10px;
    }

    .btn {
        padding: 13px 28px;
        font-size: 14px;
        border-radius: 50px;
    }

    .service-card {
        padding: 25px 15px;
    }

    .service-icon {
        font-size: 36px;
    }

    .service-title {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .service-desc {
        font-size: 14px;
    }

    .project-card {
        height: 220px;
    }

    .project-overlay {
        padding: 15px;
    }

    .project-title {
        font-size: 16px;
        margin-bottom: 5px;
    }

    .project-category {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .project-buttons {
        gap: 6px;
    }

    .project-btn {
        padding: 7px 16px;
        font-size: 12px;
    }

    /* 小屏手机企业实力区域优化 */
    .about-stats-section {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* 企业简介文字区域样式 */
    .about-text {
        background: white;
        border-radius: 12px;
        padding: 15px 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    }

    .about-heading {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .about-paragraph {
        font-size: 12px;
        line-height: 1.6;
        margin-bottom: 8px;
        text-indent: 2em; /* 首行缩进 */
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr); /* 2列2行布局 */
        gap: 8px;
        max-width: none; /* 移除最大宽度限制 */
        margin: 0; /* 移除居中 */
    }

    .stat-card {
        padding: 12px; /* 增加padding */
        flex-direction: column; /* 改回纵向布局 */
        justify-content: center;
        align-items: center;
        gap: 6px;
    }

    .stat-icon {
        font-size: 24px; /* 小屏进一步减小emoji */
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .stat-content {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .stat-number {
        font-size: 20px; /* 进一步减小数字 */
        margin-bottom: 0;
        line-height: 1;
    }

    .stat-label {
        font-size: 11px;
        line-height: 1.2;
    }

    /* 资质section小屏手机响应式 */
    .qualifications-section .section-header {
        padding: 0 20px; /* 与核心业务移动端保持一致 */
    }

    .company-info-banner {
        padding: 12px;
        gap: 8px;
    }

    .info-label {
        font-size: 10px;
    }

    .info-value {
        font-size: 13px;
    }

    .qual-section-title {
        font-size: 18px;
        margin-bottom: 15px;
        padding-bottom: 10px;
    }

    .title-icon {
        width: 28px;
        height: 28px;
    }

    .title-icon i {
        font-size: 16px;
    }

    .qual-grid {
        gap: 10px;
    }

    .qual-card,
    .qual-card-highlight {
        padding: 18px 12px;
    }

    .qual-badge {
        font-size: 10px;
        padding: 3px 8px;
    }

    .qual-icon-large {
        font-size: 40px;
        margin-bottom: 10px;
    }

    .qual-card-title {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .qual-card-desc {
        font-size: 11px;
    }

    .personnel-stats {
        gap: 10px;
    }

    .personnel-card {
        padding: 20px 15px;
    }

    .personnel-icon {
        font-size: 36px;
        margin-bottom: 10px;
    }

    .personnel-number {
        font-size: 32px;
        margin-bottom: 6px;
    }

    .personnel-number .unit {
        font-size: 18px;
    }

    .personnel-label {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .personnel-detail {
        font-size: 11px;
    }

    .about-paragraph {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 15px;
    }

    .mission-team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .mission-box {
        padding: 25px 15px;
    }

    .mission-text {
        font-size: 16px;
    }

    .team-member {
        flex-direction: row;
    }

    .member-icon {
        font-size: 40px;
        width: 60px;
        height: 60px;
    }

    .qual-item {
        padding: 25px 15px;
    }

    .qual-icon {
        font-size: 32px;
    }

    /* 小屏手机联系我们section优化 */
    .contact-section .container {
        padding: 0 20px; /* 与其他section保持一致 */
    }

    .contact-section .section-header {
        margin-bottom: 20px; /* 保持与其他section一致 */
    }

    .contact-content {
        padding: 0 20px; /* 与核心业务移动端保持一致 */
    }

    .section-title {
        font-size: 22px;
    }

    .contact-info {
        gap: 10px;
    }

    .contact-item {
        padding: 10px 12px;
        gap: 10px;
        border-radius: 8px;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
    }

    .contact-icon i {
        font-size: 18px;
    }

    .contact-details h4 {
        font-size: 13px;
        margin-bottom: 3px;
    }

    .contact-details p {
        font-size: 11px;
        line-height: 1.4;
    }

    .contact-footer {
        margin-top: 15px;
        padding: 15px 12px;
        border-radius: 8px;
    }

    .contact-footer .footer-logo {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .contact-footer .footer-desc {
        font-size: 11px;
    }

    .contact-map,
    .baidu-map-container {
        height: max(200px, 30vh);
        min-height: 200px;
    }

    /* 小屏手机页脚优化 */
    .footer {
        padding: 10px 0 5px;
    }

    .footer-content {
        gap: 10px;
        margin-bottom: 5px;
    }

    .footer-logo {
        font-size: 13px;
        margin-bottom: 3px;
    }

    .footer-desc {
        font-size: 10px;
        margin-bottom: 2px;
        line-height: 1.2;
    }

    .footer-address {
        font-size: 9px;
        line-height: 1.2;
    }

    .footer-contact {
        gap: 2px;
    }

    .footer-contact h4 {
        font-size: 11px;
        margin-bottom: 2px;
    }

    .footer-contact p {
        font-size: 9px;
    }

    .footer-bottom {
        padding-top: 5px;
    }

    .footer-bottom p {
        font-size: 8px;
    }

    .qual-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .qual-desc {
        font-size: 13px;
    }

    .contact-info-item {
        padding: 15px;
    }

    .contact-icon i {
        font-size: 24px;
    }

    .contact-label {
        font-size: 13px;
    }

    .contact-value {
        font-size: 14px;
    }

    .modal-content {
        width: 98%;
        margin: 10px auto;
        border-radius: 12px;
    }

    .modal-header {
        padding: 20px 15px;
    }

    .modal-body {
        padding: 20px 15px;
    }

    .modal-title {
        font-size: 20px;
    }

    .modal-category {
        font-size: 13px;
    }

    .project-detail-info {
        gap: 15px;
        margin-bottom: 20px;
    }

    .info-item-label {
        font-size: 12px;
    }

    .info-item-value {
        font-size: 14px;
    }

    .project-detail-description {
        font-size: 14px;
        line-height: 1.8;
    }

    .highlight-item {
        font-size: 14px;
        padding-left: 20px;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
        font-size: 18px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-section {
        margin-bottom: 25px;
    }

    .footer-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .footer-text,
    .footer-link {
        font-size: 13px;
    }

    .footer-bottom {
        padding-top: 20px;
        font-size: 12px;
    }
}

/* ==================== 折叠屏设备特殊适配 ==================== */

/* 三折叠手机 - 完全展开模式（如华为Mate XT 10.2英寸） */
@media (min-width: 2200px) {
    .container {
        max-width: 100%;
        padding: 0 40px;
    }

    .hero-section {
        min-height: 100vh;
    }

    .hero-content {
        max-width: 1200px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: 80px;
        margin-bottom: 30px;
    }

    .hero-subtitle {
        font-size: 36px;
        margin-bottom: 25px;
    }

    .hero-description {
        font-size: 24px;
        max-width: 900px;
        margin: 0 auto 40px;
    }

    .section {
        padding: 150px 0;
    }

    .section-header {
        margin-bottom: 80px;
    }

    .section-title {
        font-size: 60px;
    }

    .section-subtitle {
        font-size: 18px;
        letter-spacing: 5px;
    }

    .services-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 40px;
    }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
        padding: 0 50px;
    }

    .project-card {
        height: 350px;
    }

    .about-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 50px;
        max-width: 1400px;
        margin: 0 auto;
    }

    .stat-number {
        font-size: 64px;
    }

    .stat-label {
        font-size: 20px;
    }

    .qualifications-content {
        grid-template-columns: repeat(4, 1fr);
        gap: 50px;
        max-width: 1400px;
    }

    .contact-content {
        grid-template-columns: 1fr 2.2fr;
        gap: 70px;
        max-width: 100%;
        margin: 0 auto;
    }

    .contact-map,
    .baidu-map-container {
        height: 100%;
    }

    .modal-content {
        max-width: 1400px;
    }

    .project-detail-images {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

/* 折叠屏 - 双屏展开模式（约1600-2199px） */
@media (min-width: 1600px) and (max-width: 2199px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }

    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 35px;
    }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
        padding: 0 40px;
    }

    .qualifications-content {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1300px;
    }

    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 折叠屏 - 单屏展开模式（约800-1200px，类似平板） */
@media (min-width: 800px) and (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        padding: 0 30px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .qualifications-content {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
    }
}

/* 折叠屏 - 折叠模式（手机尺寸，约300-400px） */
@media (min-width: 300px) and (max-width: 400px) {
    .hero-title {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 13px;
        letter-spacing: 1.5px;
    }

    .section-title {
        font-size: 24px;
    }

    .logo-text {
        display: inline; /* 移动端也显示公司名称 */
        font-size: clamp(8px, 2.8vw, 11px); /* 最小8px */
        max-width: none; /* 移除宽度限制，完整显示 */
        line-height: 1.2;
        white-space: nowrap; /* 禁止换行，始终单行显示 */
    }

    .logo-image {
        height: 32px;
    }

    .nav-container {
        padding: 0 10px;
    }

    .container {
        padding: 0 10px;
    }
}

/* 横屏模式优化（适用于折叠屏横屏使用） */
@media (orientation: landscape) and (max-height: 600px) {
    .hero-section {
        min-height: 100vh;
        padding: 100px 0 50px;
    }

    .hero-title {
        font-size: 36px;
        margin-bottom: 15px;
    }

    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 15px;
    }

    .hero-description {
        font-size: 15px;
        margin-bottom: 25px;
    }

    .section {
        padding: 60px 0;
    }

    .modal-content {
        max-height: 85vh;
        overflow-y: auto;
    }
}

/* ==================== 图片查看器 ==================== */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-viewer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.image-viewer-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: transparent;
    border: none;
    color: white;
    font-size: 40px;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10002;
}

.image-viewer-close:hover {
    color: var(--accent-gold);
    transform: rotate(90deg);
}

.image-viewer-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.3s ease, transform 0.3s ease, filter 0.8s ease;
}

/* 渐进式图片加载样式 */
.progressive-image {
    transition: filter 0.5s ease;
}

.progressive-image.loading {
    filter: blur(10px);
}

.progressive-image.loaded {
    filter: blur(0px);
}

.image-viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10003;
    transition: opacity 0.3s ease;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-progress {
    width: 200px;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto 15px;
}

.loading-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-gold), #f4d03f);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 3px;
}

.loading-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.loading-percent {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 18px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .image-viewer-close {
        top: 10px;
        right: 10px;
        font-size: 30px;
        width: 40px;
        height: 40px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 50%;
    }

    .image-viewer-img {
        max-width: 95vw;
        max-height: 80vh;
    }

    .loading-spinner {
        width: 50px;
        height: 50px;
    }

    .loading-progress {
        width: 150px;
    }
}

/* ==================== 证书详情弹窗 ==================== */
.certificate-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.certificate-detail-content {
    background: white;
    border-radius: 20px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
}

.certificate-detail-header {
    padding: 25px 30px;
    background: linear-gradient(135deg, #D4AF37 0%, #C5A028 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);
}

.certificate-detail-header h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.certificate-detail-header .close-btn {
    font-size: 32px;
    cursor: pointer;
    opacity: 0.8;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.certificate-detail-header .close-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.certificate-detail-body {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
}

.cert-category-section {
    margin-bottom: 30px;
}

.cert-category-title {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #D4AF37;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cert-category-title .icon {
    font-size: 22px;
}

.cert-category-title .count {
    background: linear-gradient(135deg, #D4AF37 0%, #C5A028 100%);
    color: white;
    padding: 2px 12px;
    border-radius: 12px;
    font-size: 14px;
    margin-left: auto;
}

.cert-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.cert-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 15px 20px;
    border-radius: 12px;
    border-left: 4px solid #D4AF37;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.cert-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.cert-item-name {
    font-size: 14px;
    color: #2c3e50;
    font-weight: 500;
}

.cert-item-count {
    background: linear-gradient(135deg, #D4AF37 0%, #C5A028 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.cert-total-summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.cert-total-summary h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

.cert-total-summary .total-number {
    font-size: 48px;
    font-weight: 700;
    margin: 10px 0;
}

.cert-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.cert-empty-state .icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.cert-empty-state p {
    font-size: 16px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 证书详情弹窗移动端适配 */
@media (max-width: 768px) {
    .certificate-modal-content {
        max-width: 95%;
        padding: 20px;
    }

    .certificate-total {
        padding: 30px 20px;
    }

    .certificate-total-number {
        font-size: 48px;
    }

    .certificate-total-label {
        font-size: 14px;
    }

    .certificate-categories-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .certificate-category-title {
        font-size: 14px;
        padding: 14px 16px;
    }

    .certificate-list {
        padding: 15px;
        gap: 8px;
    }

    .certificate-item {
        padding: 12px 14px;
    }

    .certificate-name {
        font-size: 13px;
    }

    .certificate-count {
        font-size: 16px;
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .certificate-detail-content {
        max-width: 100%;
        max-height: 95vh;
        border-radius: 15px 15px 0 0;
        margin-top: auto;
    }

    .certificate-detail-header {
        padding: 20px;
    }

    .certificate-detail-header h3 {
        font-size: 20px;
    }

    .certificate-detail-body {
        padding: 20px;
    }

    .cert-items-grid {
        grid-template-columns: 1fr;
    }

    .cert-total-summary .total-number {
        font-size: 36px;
    }
}

/* ==================== 性能优化 ==================== */

/* 低端设备/用户偏好：减少动画，提升性能 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 低端设备优化：简化视觉效果 */
@media (max-width: 480px) and (max-height: 800px) {
    /* 简化阴影效果 */
    .project-card,
    .service-card,
    .stat-card,
    .qualification-card {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    }

    /* 禁用复杂的 hover 效果 */
    .project-card:hover,
    .service-card:hover {
        transform: none !important;
    }

    /* 简化渐变背景 */
    .hero-section {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    }
}

/* 触摸目标尺寸优化 - 确保所有可点击元素至少 44x44px */
@media (max-width: 768px) {
    .btn,
    .nav-link,
    .nav-toggle,
    .thumbnail,
    .modal-close,
    .image-viewer-close,
    .certificate-detail-close {
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* 增加按钮间距，防止误触 */
    .btn + .btn {
        margin-left: 12px;
    }
}

/* 安全区域适配 - 支持刘海屏、折叠屏 */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }

    .navbar {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }

    .container {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
}

/* 华为折叠屏折痕避让 */
@media (min-width: 800px) and (max-width: 900px) {
    .hero-content,
    .section-header,
    .modal-content {
        padding-left: max(40px, env(fold-left, 40px));
        padding-right: max(40px, env(fold-right, 40px));
    }
}

/* 横屏模式键盘弹出优化 */
@media (orientation: landscape) and (max-height: 500px) {
    .contact-form {
        max-height: 80vh;
        overflow-y: auto;
    }

    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* 使用更清晰的边框 */
    .project-card,
    .service-card {
        border: 0.5px solid rgba(0, 0, 0, 0.1);
    }
}

/* 暗黑模式支持（可选） */
@media (prefers-color-scheme: dark) {
    /* 暂时不启用，保持品牌色 */
    /* 可以在未来根据需求添加暗黑模式 */
}

/* 安全生产移动端适配 */
@media (max-width: 768px) {
    .safety-image-column {
        padding-bottom: 0;
        padding-right: 0;
    }

    .safety-stats-card {
        position: static;
        margin-top: 20px;
        margin-left: 0;
        margin-right: 0;
    }

    .safety-image-overlay {
        padding: 25px;
    }

    .safety-overlay-title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .safety-overlay-desc {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .safety-feature-tag {
        font-size: 12px;
        padding: 5px 12px;
    }
}

/* ==================== 合作招贤 ==================== */
.cooperation-section {
    background: var(--bg-section);
    padding: 10px 0 15px 0 !important; /* 与关于宏冠保持一致的padding */
    align-items: flex-start !important; /* 从顶部开始对齐，与关于宏冠一致 */
}

/* 选项卡切换按钮 */
.cooperation-content-wrapper {
    margin-top: 40px;
    display: flex;
    gap: 30px;
    align-items: flex-start;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.cooperation-tabs {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-shrink: 0;
}

.tab-btn {
    padding: 12px 24px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 140px;
}

.tab-btn i {
    font-size: 16px;
}

.tab-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
    transform: translateX(-3px);
}

.tab-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.cooperation-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
}

.cooperation-card {
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    overflow: visible;
    width: 100%;
    grid-column: 1;
    grid-row: 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
}

.cooperation-card.active {
    opacity: 1;
    visibility: visible;
}

.cooperation-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card-header {
    padding: 25px 30px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 15px;
}

.card-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    background: #f3f4f6;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-header-text {
    flex: 1;
}

.business-card .card-icon {
    background: #eff6ff;
}

.business-card .card-icon i {
    color: #3b82f6;
    font-size: 24px;
}

.recruitment-card .card-icon {
    background: #fef3c7;
}

.recruitment-card .card-icon i {
    color: #d4af37;
    font-size: 24px;
}

.card-title {
    font-size: 22px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 13px;
    color: #6b7280;
}

.card-body {
    padding: 30px;
    padding-bottom: 40px;
}

.cooperation-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.form-label i {
    color: #9ca3af;
    font-size: 13px;
}

.required {
    color: #ef4444;
    margin-left: 2px;
}

.file-hint {
    font-size: 12px;
    color: #9ca3af;
    font-weight: 400;
}

.form-input,
.form-select,
.form-textarea {
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s ease;
    font-family: inherit;
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.file-upload-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 20px;
    border: 1px dashed #d1d5db;
    border-radius: 6px;
    background: #f9fafb;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.file-label:hover {
    border-color: #3b82f6;
    background: #eff6ff;
}

.file-label i {
    font-size: 28px;
    color: #9ca3af;
    margin-bottom: 8px;
}

.file-text {
    font-size: 13px;
    color: #6b7280;
}

.file-name {
    font-size: 12px;
    color: #3b82f6;
    font-weight: 500;
    margin-top: 6px;
    display: none;
}

.file-label.has-file {
    border-color: #3b82f6;
    background: #eff6ff;
}

.file-label.has-file .file-name {
    display: block;
}

/* 拖拽上传样式 */
.file-upload-wrapper.drag-over .file-label {
    border-color: #3b82f6;
    background: #dbeafe;
    border-width: 2px;
    transform: scale(1.02);
}

.file-upload-wrapper.drag-over .file-label i {
    color: #3b82f6;
    transform: scale(1.1);
}

.file-upload-wrapper.drag-over .file-text {
    color: #3b82f6;
    font-weight: 500;
}

/* 上传进度条样式 */
.upload-progress {
    margin-top: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    border: 1px solid #bae6fd;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0f2fe;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    background-size: 200% 100%;
    border-radius: 10px;
    transition: width 0.3s ease;
    animation: shimmer 2s infinite;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 13px;
}

#progressPercent {
    font-weight: 700;
    color: #1e40af;
    font-size: 16px;
}

#progressStatus {
    color: #3b82f6;
    font-weight: 500;
}

.submit-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    margin-top: 6px;
}

.business-btn {
    background: #3b82f6;
}

.business-btn:hover {
    background: #2563eb;
}

.recruitment-btn {
    background: #d4af37;
}

.recruitment-btn:hover {
    background: #b8941f;
}

.submit-btn:active {
    transform: scale(0.98);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .cooperation-content {
        max-width: 650px;
    }

    .card-body {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .cooperation-section {
        padding: 60px 0;
    }

    .cooperation-tabs {
        gap: 10px;
        margin-top: 30px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .tab-btn i {
        font-size: 14px;
    }

    .cooperation-content {
        margin-top: 25px;
    }

    .card-header {
        padding: 25px 20px;
    }

    .card-icon {
        width: 45px;
        height: 45px;
    }

    .card-icon i {
        font-size: 22px;
    }

    .card-title {
        font-size: 20px;
    }

    .card-body {
        padding: 25px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .cooperation-section {
        padding: 40px 0;
    }

    .cooperation-tabs {
        flex-direction: column;
        gap: 8px;
        margin-top: 25px;
    }

    .tab-btn {
        padding: 10px 18px;
        font-size: 13px;
        justify-content: center;
    }

    .cooperation-content {
        margin-top: 20px;
    }

    .card-header {
        padding: 20px 15px;
    }

    .card-icon {
        width: 40px;
        height: 40px;
    }

    .card-icon i {
        font-size: 20px;
    }

    .card-title {
        font-size: 18px;
    }

    .card-subtitle {
        font-size: 13px;
    }

    .card-body {
        padding: 20px 15px;
    }

    .cooperation-form {
        gap: 15px;
    }

    .form-label {
        font-size: 13px;
    }

    .form-input,
    .form-select,
    .form-textarea {
        padding: 9px 12px;
        font-size: 13px;
    }

    .file-label {
        padding: 20px 15px;
    }

    .file-label i {
        font-size: 24px;
    }

    .file-text {
        font-size: 12px;
    }

    .submit-btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    /* 响应式：小屏幕时按钮回到顶部 */
    .cooperation-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    .cooperation-tabs {
        flex-direction: row;
        justify-content: center;
        width: 100%;
    }

    .tab-btn {
        flex: 1;
        max-width: 200px;
        justify-content: center;
    }

    .tab-btn:hover {
        transform: translateY(-2px);
    }
}

/* ==================== 百度地图信息窗口 - 强制隐藏白色背景 ==================== */
/* 这是最高优先级的规则，确保完全隐藏信息窗口的白色边框 */
.BMapGL_bubble_top,
.BMapGL_bubble_center,
.BMapGL_bubble_bottom,
.BMapGL_bubble_pop,
.BMapGL_bubble,
.BMap_bubble_top,
.BMap_bubble_center,
.BMap_bubble_bottom,
.BMap_bubble_pop,
.BMap_bubble {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: none !important;
    outline: none !important;
}

/* 隐藏信息窗口内部所有可能的白色容器 */
.BMapGL_bubble_top > *,
.BMapGL_bubble_center > *,
.BMapGL_bubble_pop > *,
.BMap_bubble_top > *,
.BMap_bubble_center > *,
.BMap_bubble_pop > * {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
}

/* 只保留标题和内容的背景 */
.BMapGL_bubble_title,
.BMap_bubble_title {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
}

.BMapGL_bubble_content,
.BMap_bubble_content {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
}

/* ==================== 3D旋转资质展示 ==================== */
/* 全宽居中布局 */
.qual-3d-fullwidth {
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
}

/* 3D旋转容器 - 外层wrapper */
.qual-3d-wrapper {
    width: 100%;
    height: 400px;
    position: relative;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    margin-top: -250px;
}

/* 3D旋转容器 - 内层 */
.qual-3d-inner {
    --w: 160px;
    --h: 210px;
    --translateZ: calc((var(--w) + var(--h)) + 180px);
    --rotateX: -12deg;
    --perspective: 1600px;
    position: absolute;
    width: var(--w);
    height: var(--h);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    transform-style: preserve-3d;
    animation: qual3dRotating 60s linear infinite; /* 减慢旋转速度 (45s -> 60s) */
}

/* 3D旋转动画 */
@keyframes qual3dRotating {
    from {
        transform: translate(-50%, -50%) perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(0deg);
    }
    to {
        transform: translate(-50%, -50%) perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(360deg);
    }
}

/* 3D资质卡片 - 多彩玻璃态 */
.qual-3d-card {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    overflow: hidden;
    inset: 0;
    transform: rotateY(calc((360deg / var(--quantity, 10)) * var(--index))) translateZ(var(--translateZ));
    backface-visibility: visible;
    transition: all 0.3s ease;
}

/* 悬停暂停旋转由JS控制 */

/* 多彩渐变背景 - 每张卡片不同颜色 */
.qual-3d-card:nth-child(1) .qual-3d-content { background: linear-gradient(135deg, rgba(255,182,193,0.7) 0%, rgba(255,105,180,0.5) 100%); }
.qual-3d-card:nth-child(2) .qual-3d-content { background: linear-gradient(135deg, rgba(255,218,185,0.7) 0%, rgba(255,165,79,0.5) 100%); }
.qual-3d-card:nth-child(3) .qual-3d-content { background: linear-gradient(135deg, rgba(255,255,180,0.7) 0%, rgba(255,215,0,0.5) 100%); }
.qual-3d-card:nth-child(4) .qual-3d-content { background: linear-gradient(135deg, rgba(200,255,200,0.7) 0%, rgba(144,238,144,0.5) 100%); }
.qual-3d-card:nth-child(5) .qual-3d-content { background: linear-gradient(135deg, rgba(180,255,255,0.7) 0%, rgba(64,224,208,0.5) 100%); }
.qual-3d-card:nth-child(6) .qual-3d-content { background: linear-gradient(135deg, rgba(173,216,255,0.7) 0%, rgba(100,149,237,0.5) 100%); }
.qual-3d-card:nth-child(7) .qual-3d-content { background: linear-gradient(135deg, rgba(221,160,255,0.7) 0%, rgba(186,85,211,0.5) 100%); }
.qual-3d-card:nth-child(8) .qual-3d-content { background: linear-gradient(135deg, rgba(255,182,255,0.7) 0%, rgba(255,20,147,0.5) 100%); }
.qual-3d-card:nth-child(9) .qual-3d-content { background: linear-gradient(135deg, rgba(255,200,180,0.7) 0%, rgba(255,127,80,0.5) 100%); }
.qual-3d-card:nth-child(10) .qual-3d-content { background: linear-gradient(135deg, rgba(210,255,210,0.7) 0%, rgba(50,205,50,0.5) 100%); }
.qual-3d-card:nth-child(11) .qual-3d-content { background: linear-gradient(135deg, rgba(200,230,255,0.7) 0%, rgba(70,130,180,0.5) 100%); }
.qual-3d-card:nth-child(12) .qual-3d-content { background: linear-gradient(135deg, rgba(230,200,255,0.7) 0%, rgba(147,112,219,0.5) 100%); }
.qual-3d-card:nth-child(13) .qual-3d-content { background: linear-gradient(135deg, rgba(255,220,200,0.7) 0%, rgba(255,160,122,0.5) 100%); }
.qual-3d-card:nth-child(n+14) .qual-3d-content { background: linear-gradient(135deg, rgba(200,255,230,0.7) 0%, rgba(60,179,113,0.5) 100%); }

/* 卡片内容 - 玻璃态效果 */
.qual-3d-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 18px 12px;
    position: relative;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: inset 0 0 30px rgba(255,255,255,0.3);
}

/* 卡片内容 - 顶部高光效果 */
.qual-3d-content::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 12px;
    right: 12px;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, transparent 100%);
    border-radius: 12px;
    pointer-events: none;
}

/* 资质等级标签 */
.qual-3d-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 8px;
    font-size: 10px;
    font-weight: 600;
    border-radius: 10px;
    background: linear-gradient(135deg, #d4af37 0%, #f0d98d 100%);
    color: #1a2332;
    z-index: 2;
}

/* 资质图标 */
.qual-3d-icon {
    font-size: 48px;
    margin-bottom: 12px;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.2));
    position: relative;
    z-index: 1;
}

/* 资质名称 - 深色文字适配亮色背景 */
.qual-3d-name {
    font-size: 13px;
    font-weight: 700;
    color: #333333;
    text-align: center;
    line-height: 1.4;
    padding: 0 5px;
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 1px rgba(255,255,255,0.5);
}

/* 悬停效果 - 卡片高亮 */
.qual-3d-card:hover {
    border-color: #d4af37;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4),
                inset 0 0 20px rgba(212, 175, 55, 0.1);
}

.qual-3d-card:hover .qual-3d-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

/* 分割线 - 新样式 */
.qualifications-divider-new {
    width: 2px;
    align-self: stretch;
    background: linear-gradient(to bottom,
        transparent 0%,
        rgba(212, 175, 55, 0.3) 10%,
        rgba(212, 175, 55, 0.5) 50%,
        rgba(212, 175, 55, 0.3) 90%,
        transparent 100%);
    flex-shrink: 0;
}

/* 右侧技术人员区域 - 新样式 */
.qualifications-personnel-new {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 280px;
}

.personnel-stats-new {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
    justify-content: center;
}

.personnel-card-new {
    text-align: center;
    padding: 25px 20px;
    background: white;
    border-radius: 16px;
    border: 2px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.personnel-card-new:hover {
    transform: translateY(-5px);
    border-color: #d4af37;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.15);
}

.personnel-card-new .personnel-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.personnel-card-new .personnel-number .unit {
    font-size: 16px;
    font-weight: 500;
    color: #666;
    margin-left: 2px;
}

.personnel-card-new .personnel-label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.personnel-card-new .personnel-detail {
    font-size: 12px;
    color: #888;
}

.personnel-card-new.personnel-card-clickable {
    cursor: pointer;
}

.personnel-card-new.personnel-card-clickable:hover .personnel-detail {
    color: #d4af37;
}

/* 查看全部资质按钮 */
.qual-3d-more {
    text-align: center;
    padding-top: 15px;
    flex-shrink: 0;
}

/* 响应式 - 平板 */
@media (max-width: 1024px) {
    .qualifications-content-wrapper-new {
        flex-direction: column;
        padding: 0 20px;
        gap: 30px;
    }

    .qual-3d-section {
        order: 1;
    }

    .qualifications-divider-new {
        width: 80%;
        height: 2px;
        margin: 0 auto;
        background: linear-gradient(to right,
            transparent 0%,
            rgba(212, 175, 55, 0.5) 50%,
            transparent 100%);
        order: 2;
    }

    .qualifications-personnel-new {
        order: 3;
    }

    .personnel-stats-new {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .personnel-card-new {
        flex: 1;
        min-width: 200px;
        max-width: 300px;
    }
}

/* 响应式 - 手机 */
@media (max-width: 768px) {
    .qual-3d-wrapper {
        min-height: 350px;
    }

    .qual-3d-inner {
        --w: 110px;
        --h: 150px;
        --translateZ: calc((var(--w) + var(--h)) + 50px);
    }

    .qual-3d-icon {
        font-size: 32px;
    }

    .qual-3d-name {
        font-size: 11px;
    }

    .personnel-card-new {
        min-width: 100%;
    }

    .personnel-card-new .personnel-number {
        font-size: 28px;
    }
}

/* ==================== UIverse 动画按钮 ==================== */
.uiverse-btn {
    --primary: #d4af37;
    --primary-dark: #1a365d;
    
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-decoration: none;
    color: var(--primary-dark);
    background: transparent;
    border: 1.5px solid var(--primary);
    border-radius: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.uiverse-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, #c9a227 100%);
    transition: width 0.3s ease;
    z-index: -1;
}

.uiverse-btn:hover {
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    text-decoration: none;
}

.uiverse-btn:hover::before {
    width: 100%;
}

.uiverse-btn:active {
    transform: translateY(0);
}

/* 隐藏原来的复杂结构 */
.uiverse-outline {
    display: none;
}

/* 按钮内容 */
.uiverse-state {
    z-index: 2;
    display: flex;
    position: relative;
    align-items: center;
    gap: 8px;
}

.uiverse-state p {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

/* 图标 */
.uiverse-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.uiverse-icon svg {
    width: 16px;
    height: 16px;
    overflow: visible;
}

.uiverse-btn:hover .uiverse-icon {
    transform: scale(1.1);
}

/* 字母动画 - 简化 */
.uiverse-state p span {
    display: inline;
    opacity: 1;
    animation: none;
}

.uiverse-btn:hover p span {
    animation: none;
}

/* ==================== Explore 清新绿色按钮 ==================== */
.explore-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    background: #10b981;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.explore-btn:hover {
    background: #059669;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
    text-decoration: none;
    color: #fff;
}

/* 箭头图标容器 */
.explore-btn svg {
    width: 34px;
    height: 34px;
    padding: 6px;
    background: #fff;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.explore-btn svg path {
    fill: #1a2332;
    transition: fill 0.3s ease;
}

.explore-btn:hover svg {
    transform: rotate(45deg);
}

/* ==================== 新增样式增强 (News, Honors, Process) ==================== */

/* --- 新闻动态样式 --- */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-decoration: none !important;
    color: inherit;
}

.news-item * {
    text-decoration: none !important;
}

.news-item:first-child {
    padding-top: 0;
}

.news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-item:hover {
    background: rgba(212, 175, 55, 0.03);
    margin: 0 -15px;
    padding-left: 15px;
    padding-right: 15px;
    border-radius: 8px;
}

.news-item:hover .news-title {
    color: var(--accent-gold);
}

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 70px;
    min-width: 70px;
    height: 70px;
    background: var(--primary-dark);
    color: #fff;
    border-radius: 8px;
    flex-shrink: 0;
}

.news-date .day {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: var(--accent-gold);
}

.news-date .month {
    font-size: 11px;
    opacity: 0.8;
    margin-top: 4px;
}

.news-content {
    flex: 1;
    min-width: 0;
}

.news-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.news-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- 荣誉奖项样式 --- */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 10px 0;
}

.honor-card {
    background: #fff;
    padding: 25px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.02);
}

.honor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-color: var(--accent-gold);
}

.honor-icon {
    font-size: 40px;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.honor-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.honor-info p {
    font-size: 13px;
    color: #888;
}

/* --- 服务流程样式 --- */
.service-process-wrapper {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.process-header {
    text-align: center;
    margin-bottom: 40px;
}

.title-divider-small {
    width: 40px;
    height: 3px;
    background: var(--accent-gold);
    margin: 15px auto 0;
    border-radius: 2px;
}

.process-steps {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 0;
}

.step-item {
    flex: 0 0 auto;
    width: 120px;
    text-align: center;
    position: relative;
    group: step;
}

.step-icon-wrapper {
    width: 70px;
    height: 70px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.step-item:hover .step-icon-wrapper {
    border-color: var(--accent-gold);
    transform: scale(1.05);
}

.step-icon {
    font-size: 28px;
    color: var(--secondary-dark);
    transition: color 0.3s ease;
}

.step-item:hover .step-icon {
    color: var(--accent-gold);
}

.step-number {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 24px;
    height: 24px;
    background: var(--accent-gold);
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}

.step-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 13px;
    color: #777;
    line-height: 1.4;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 25px;
    color: #ddd;
    font-size: 20px;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }
    
    .process-steps {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 20px;
    }
    
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .news-item {
        gap: 15px;
    }
    
    .news-date {
        width: 55px;
        min-width: 55px;
        height: 55px;
    }
    
    .news-date .day {
        font-size: 18px;
    }
    
    .news-date .month {
        font-size: 10px;
    }
    
    .news-title {
        font-size: 15px;
    }
    
    .news-desc {
        font-size: 13px;
        -webkit-line-clamp: 1;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* ==================== 首页Hero增强样式 (卡片版) ==================== */

.hero-cards-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* 卡片基础样式 */
.hero-card {
    position: relative;
    width: 200px;
    height: 120px;
    background: rgba(255, 255, 255, 0.7); /* 降低透明度 (0.9 -> 0.7) */
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 20px;
    text-decoration: none;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); 
    gap: 15px;
}

/* 卡片悬停效果 */
.hero-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: #ffffff; /* 悬停纯白 */
    border: 2px solid #d4af37; /* 金色描边 */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 
                0 0 25px rgba(212, 175, 55, 0.2);
}

/* 图标容器 - 移除背景，让图标自由浮动，更显大气 */
.card-icon-wrapper {
    width: 50px;
    height: 50px;
    background: transparent; /* 移除背景 */
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px; /* 放大图标 */
    color: transparent; /* 为渐变做准备 */
    background-image: linear-gradient(135deg, #d4af37 0%, #f0d98d 50%, #b8860b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    transition: all 0.4s ease;
    border: none;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.3)); /* 金色投影，增加立体感 */
}

.hero-card:hover .card-icon-wrapper {
    background: transparent;
    color: transparent;
    background-image: linear-gradient(135deg, #339aed 0%, #6dd5fa 100%); /* 悬停变为蓝色渐变 */
    -webkit-background-clip: text;
    background-clip: text;
    transform: scale(1.1) rotate(0deg); /* 微微放大，不再旋转 */
    filter: drop-shadow(0 4px 8px rgba(51, 154, 237, 0.4));
}

/* 卡片内容 */
.card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}

.card-data {
    font-size: 24px;
    font-weight: 700;
    color: #1a2332; /* 深色文字 */
    line-height: 1.1;
    margin-bottom: 2px;
    font-family: 'Arial', sans-serif;
}

.card-title {
    font-size: 13px;
    color: #555; /* 深灰色标题 */
    font-weight: 600;
    margin-bottom: 4px;
}

.card-desc {
    font-size: 11px;
    color: #888; /* 浅灰色描述 */
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.3s ease;
}

.hero-card:hover .card-desc {
    color: var(--accent-gold);
}

.card-desc i {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.hero-card:hover .card-desc i {
    transform: translateX(3px);
}

/* 主卡片强调样式 - 统一为白色风格，仅保留微小差异或完全一致 */
.hero-card.main-card {
    background: rgba(255, 255, 255, 0.75); /* 主卡片稍亮一点 */
    border-color: rgba(255, 255, 255, 0.6);
}

.hero-card.main-card:hover {
    background: #ffffff;
    border: 2px solid #d4af37;
}

/* 卡片流光特效 - 调整为金色流光 */
.card-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(212, 175, 55, 0.2), /* 金色流光 */
        transparent
    );
    transform: skewX(-25deg);
    transition: 0.5s;
    pointer-events: none;
}

.hero-card:hover .card-glow {
    animation: shine 1.5s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 200%; }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .hero-cards-container {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin-top: 30px;
    }
    
    .hero-card {
        width: 90%;
        max-width: 320px;
        height: 80px; /* 移动端更紧凑 */
    }
}