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

/* 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(20px, env(fold-left));
        padding-right: max(20px, 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;
    
    /* 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;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: #333;
    background-color: #0D131F; /* 设置深色背景 */
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(15px, 4vw, 40px);
    width: 100%;
    box-sizing: border-box;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.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);
}

.navbar.scrolled {
    background: rgba(26, 35, 50, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

.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(35px, 5vw, 50px);
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.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(9px, 1.6vw, 18px); /* 最小9px，确保窄屏也能显示 */
    font-weight: 700;
    color: var(--text-light);
    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;
    gap: clamp(10px, 3vw, 40px); /* 窄屏时减小间距 */
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: clamp(10px, 1.8vw, 16px); /* 窄屏时缩小字体，最小10px */
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    white-space: nowrap; /* 禁止换行 */
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.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%;
    /* 使用与VANTA特效相似的深色渐变背景 */
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 20, 147, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(138, 43, 226, 0.18) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
        linear-gradient(135deg, #0E121F 0%, #1a1f35 50%, #0E121F 100%);
    background-size: cover;
    background-position: center;
}

/* VANTA背景容器 - 优化淡入效果 */
#vanta-bg {
    opacity: 0;
    transition: opacity 2s ease-in;
}

/* 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;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(212, 175, 55, 0.03) 2px, rgba(212, 175, 55, 0.03) 4px),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(212, 175, 55, 0.03) 2px, rgba(212, 175, 55, 0.03) 4px);
    opacity: 0.05; /* 几乎透明，最大化光晕可见度 */
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

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

/* 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: linear-gradient(135deg, rgba(26, 35, 50, 0.15) 0%, rgba(44, 62, 80, 0.1) 100%); /* 极低透明度，让光晕更明显 */
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--text-light);
    max-width: 1200px;
    width: 95%;
    margin: 0 auto;
    padding: 0 clamp(15px, 3vw, 40px);
    animation: fadeInUp 1s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-family: "HLJHG", sans-serif;
    font-size: clamp(18px, 3.5vw, 56px);
    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 特效 - 紫金渐变（高贵优雅） */
    background: linear-gradient(120deg,
        #b794f6,  /* 浅紫色 */
        #ffd700,  /* 金色 */
        #e0b3ff,  /* 淡紫色 */
        #ffffff,  /* 纯白 */
        #b794f6,  /* 浅紫色 */
        #ffd700   /* 金色 */
    );
    background-size: 350%;
    animation: shiny-text 4s ease-in-out infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    /* 添加紫金双色发光 */
    filter: drop-shadow(0 0 25px rgba(183, 148, 246, 0.7))
            drop-shadow(0 0 20px rgba(255, 215, 0, 0.5))
            drop-shadow(0 0 35px rgba(224, 179, 255, 0.4));
}

.hero-subtitle {
    font-size: clamp(11px, 1.8vw, 24px);
    font-weight: 300;
    color: var(--accent-gold-light);
    margin-bottom: clamp(15px, 2.5vw, 30px);
    letter-spacing: clamp(0.5px, 0.2vw, 3px);
    width: 100%;
    text-align: center;
    word-wrap: break-word;
}

.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;

    /* Gradient Text 特效 - 优雅渐变 */
    background: linear-gradient(135deg,
        #a78bfa,  /* 浅紫色 */
        #fbbf24,  /* 琥珀金 */
        #60a5fa,  /* 天蓝色 */
        #f472b6   /* 粉色 */
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    /* 添加柔和发光 */
    filter: drop-shadow(0 2px 8px rgba(167, 139, 250, 0.3));
}

.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;
}

.btn {
    padding: clamp(12px, 1.5vw, 15px) clamp(25px, 4vw, 40px);
    font-size: clamp(14px, 1.5vw, 16px);
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-align: center;
    white-space: nowrap;
    display: inline-block;
}

.btn::before {
    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 ease, height 0.6s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #e6c04e 100%);
    color: var(--primary-dark);
    border-color: var(--accent-gold);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -100%;
    width: 100%;
    height: 200%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transform: skewX(-25deg);
    transition: left 0.6s ease;
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e6c04e 0%, var(--accent-gold) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-gray);
    font-size: 14px;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--accent-gold);
    margin: 10px auto 0;
}

/* ==================== 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: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.3);
    border: 2px solid rgba(212, 175, 55, 0.5);
    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(212, 175, 55, 0.6);
    border-color: var(--accent-gold);
}

.indicator-dot.active {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 1),
                0 0 30px rgba(212, 175, 55, 0.6),
                0 0 40px rgba(212, 175, 55, 0.3);
    width: 16px;
    height: 16px;
}

.indicator-dot.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    opacity: 0.5;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0;
        box-shadow: 0 0 0 10px rgba(212, 175, 55, 0);
    }
}

/* 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: 100vh;
    max-height: 100vh; /* 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 */
}

.section .container {
    width: 100%;
    max-height: calc(100vh - 120px); /* 减去上下padding */
    overflow-y: auto;
    padding: 10px 0; /* 减少padding从20px到10px */

    /* 美化滚动条 - Firefox */
    scrollbar-width: thin;
    scrollbar-color: rgba(212, 175, 55, 0.3) rgba(0, 0, 0, 0.05);
}

/* 美化滚动条 - Chrome/Safari/Opera */
.section .container::-webkit-scrollbar {
    width: 6px;
}

.section .container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.section .container::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.3);
    border-radius: 3px;
    transition: background 0.3s ease;
}

.section .container::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 175, 55, 0.6);
}

.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: 40px;
    position: relative;
}

/* 桌面端全屏模式下更紧凑的header */
@media (min-width: 1025px) {
    .section-header {
        margin-bottom: 22px;
    }
}

.section-subtitle {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 2.5px;
    margin-bottom: 8px;
    display: block;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(22px, 3.2vw + 0.5rem, 56px);
    font-weight: 900;
    margin-bottom: clamp(12px, 1.8vw, 20px);
    position: relative;
    display: inline-block;

    /* 板块标题渐变 - 深蓝到金色 */
    background: linear-gradient(135deg,
        #1e3a8a,  /* 深蓝 */
        #3b82f6,  /* 蓝色 */
        #d97706   /* 琥珀金 */
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

    /* 移除动画以提升性能 */
}

.section-title::before,
.section-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
}

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

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

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

.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);
}

/* ==================== 关于我们 ==================== */
.about-section {
    background: var(--bg-section);
}

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

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

.about-heading {
    font-size: 22px; /* 减小字体 */
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px; /* 减少间距从15px到10px */
    position: relative;
    padding-left: 20px;
}

.about-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 24px;
    background: var(--accent-gold);
}

.about-paragraph {
    font-size: 14px; /* 减小字体从15px到14px */
    line-height: 1.5; /* 减小行高从1.6到1.5 */
    color: #555;
    margin-bottom: 8px; /* 减少间距从12px到8px */
    text-align: justify;
    text-indent: 2em; /* 首行缩进2个字符 */
}

/* 桌面端全屏模式下更紧凑 */
@media (min-width: 1025px) {
    .about-heading {
        font-size: 20px; /* 进一步减小 */
        margin-bottom: 8px; /* 减少间距 */
    }

    .about-paragraph {
        font-size: 13px; /* 进一步减小 */
        line-height: 1.4; /* 进一步减小行高 */
        margin-bottom: 6px; /* 减少间距 */
        text-indent: 2em; /* 首行缩进2个字符 */
    }
}

.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(20px, 3vw, 30px); /* 减少gap */
    align-items: stretch; /* 改为stretch，让两侧高度一致 */
    margin-top: 15px; /* 减少margin从30px到15px */
    padding: 0 clamp(15px, 3vw, 30px); /* 添加左右padding，避免太靠边 */
}

/* 桌面端全屏模式下更紧凑 */
@media (min-width: 1025px) {
    .about-stats-section {
        margin-top: 12px; /* 减少margin */
        gap: 20px; /* 减少gap */
    }
}

.stats-intro {
    padding: clamp(15px, 2.5vw, 22px); /* 减少padding */
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 15px;
    border-left: 5px solid var(--accent-gold);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.stats-intro-title {
    font-size: clamp(18px, 2.5vw, 22px); /* 减小字体 */
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 10px; /* 减少间距从15px到10px */
    position: relative;
    padding-bottom: 8px; /* 减少padding */
}

.stats-intro-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-gold);
}

.stats-intro-text {
    font-size: clamp(13px, 1.5vw, 15px); /* 稍微增大字体 */
    line-height: 2.2; /* 大幅增加行高，让文字更舒适易读 */
    color: #555;
    margin-bottom: 16px; /* 增加段落间距 */
    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: 13px; /* 稍微增大字体 */
        line-height: 2.0; /* 保持舒适的行高 */
        margin-bottom: 14px; /* 段落间距 */
    }
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: clamp(20px, 3vw, 30px);
    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: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    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: 48px;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 10px;

    /* 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: 16px;
    color: #666;
    font-weight: 500;
}

/* ==================== 核心业务 ==================== */
.services-section {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(20px, 3vw, 40px);
    max-width: 1400px;
    margin: 0 auto;
}

/* 当屏幕宽度在900px-1200px之间时，强制2列布局 */
@media (min-width: 769px) and (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
    }
}

/* 大屏幕时4列 */
@media (min-width: 1201px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1400px;
    }
}

/* 小屏幕时1列 */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

.service-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--bg-section) 100%);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: var(--transition);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 50px rgba(212, 175, 55, 0.35),
                0 0 30px rgba(59, 130, 246, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #fffef8 100%);
}

.service-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.service-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.service-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #666;
}

/* ==================== 代表案例 ==================== */
.projects-section {
    background: var(--bg-section);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: clamp(20px, 3vw, 40px);
    max-width: 1400px;
    margin: 0 auto;
}

/* 当屏幕宽度在900px-1200px之间时，强制2列布局 */
@media (min-width: 769px) and (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
    }
}

/* 大屏幕时4列 */
@media (min-width: 1201px) {
    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1400px;
    }
}

/* 小屏幕时1列 */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

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

.project-card {
    position: relative;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid transparent;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--accent-gold) 0%, transparent 100%);
    opacity: 0;
    z-index: 1;
    transition: var(--transition);
}

.project-card:hover::before {
    opacity: 0.1;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.5),
                0 0 40px rgba(59, 130, 246, 0.3);
    border-color: rgba(212, 175, 55, 0.6);
}

.project-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
    /* 替换为实际项目图片：background-image: url('../images/project-1.jpg'); */
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

/* 大同库里泡项目背景图片 */
.project-card[data-project="3"] .project-image {
    background-image: url('../images/kulipao.png');
    background-size: cover;
    background-position: center;
}

.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) 70%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: var(--text-light);
    transition: var(--transition);
    z-index: 2;
}

.project-card:hover .project-image {
    transform: scale(1.15) rotate(2deg);
}

.project-card:hover .project-overlay {
    background: linear-gradient(to bottom, rgba(26, 35, 50, 0.3) 0%, rgba(26, 35, 50, 0.95) 60%);
}

.project-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.project-category {
    font-size: 14px;
    color: var(--accent-gold-light);
    margin-bottom: 20px;
}

.project-btn {
    padding: 10px 25px;
    background: var(--accent-gold);
    color: var(--primary-dark);
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    align-self: flex-start;
}

.project-btn:hover {
    background: var(--accent-gold-light);
    transform: translateX(5px);
}

/* ==================== 企业资质 ==================== */
.qualifications-section {
    background: white;
}

/* 桌面端保持100vh */
@media (min-width: 1025px) {
    .qualifications-section {
        min-height: 100vh;
    }
}

.qualifications-section .container {
    padding: clamp(5px, 0.8vh, 8px) 0;
}

.qualifications-section .section-header {
    margin-bottom: clamp(10px, 1.2vh, 12px);
}

/* 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section标题 */
.qualifications-main,
.qualifications-personnel {
    max-width: 1100px;
    margin: 0 auto clamp(10px, 1.2vh, 12px);
}

.qualifications-personnel {
    margin-bottom: 0;
}

.qual-section-title {
    font-size: clamp(16px, 1.8vw, 20px);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: clamp(8px, 1vh, 10px);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: clamp(6px, 0.8vh, 8px);
    border-bottom: 2px solid var(--accent-gold);
}

.title-icon {
    font-size: clamp(18px, 2vw, 22px);
}

/* 建筑业企业资质卡片 */
.qual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(10px, 1.2vw, 12px);
}

.qual-card {
    position: relative;
    text-align: center;
    padding: clamp(18px, 2.2vh, 25px) clamp(15px, 1.8vw, 20px);
    background: var(--bg-section);
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: clamp(160px, 18vh, 180px);
}

.qual-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-gold);
}

/* 二级资质高亮卡片 */
.qual-card-highlight {
    background: linear-gradient(135deg, #fff9e6 0%, #fff 100%);
    border: 2px solid var(--accent-gold);
}

.qual-card-highlight:hover {
    background: linear-gradient(135deg, #fff5cc 0%, #fff9e6 100%);
    box-shadow: 0 10px 28px rgba(212, 175, 55, 0.2);
}

/* 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, var(--accent-gold) 0%, #c9a043 100%);
    color: white;
    font-size: clamp(9px, 1vw, 11px);
    font-weight: 700;
    padding: clamp(2px, 0.3vh, 4px) clamp(6px, 0.8vw, 10px);
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(212, 175, 55, 0.3);
}

.qual-icon-large {
    font-size: clamp(30px, 3.5vw, 40px);
    margin-bottom: clamp(6px, 0.8vh, 8px);
}

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

.qual-card-desc {
    font-size: clamp(10px, 1.1vw, 12px);
    color: #666;
    line-height: 1.4;
}

/* 专业技术人员统计 */
.personnel-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(10px, 1.2vw, 12px);
}

.personnel-card {
    text-align: center;
    padding: clamp(15px, 1.8vh, 20px) clamp(12px, 1.5vw, 15px);
    background: linear-gradient(135deg, var(--bg-section) 0%, white 100%);
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: clamp(110px, 13vh, 130px);
}

.personnel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, #fff9e6 0%, white 100%);
}

.personnel-icon {
    font-size: clamp(28px, 3.2vw, 36px);
    margin-bottom: clamp(6px, 0.8vh, 8px);
}

.personnel-number {
    font-size: clamp(26px, 3vw, 34px);
    font-weight: 900;
    color: var(--accent-gold);
    margin-bottom: clamp(4px, 0.5vh, 6px);
    line-height: 1;
}

.personnel-number .unit {
    font-size: clamp(15px, 1.7vw, 18px);
    font-weight: 700;
    margin-left: 2px;
}

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

.personnel-detail {
    font-size: clamp(10px, 1.1vw, 12px);
    color: #666;
}

/* ==================== 联系我们 ==================== */
.contact-section {
    background: var(--bg-section);
}

.contact-section .container {
    padding: clamp(15px, 2vh, 25px) 0;
}

.contact-section .section-header {
    margin-bottom: clamp(20px, 3vh, 35px);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: clamp(25px, 3vw, 40px);
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: clamp(18px, 2.5vh, 28px);
    justify-content: center;
    height: 100%;
}

.contact-item {
    display: flex;
    gap: clamp(15px, 1.8vw, 20px);
    background: white;
    padding: clamp(20px, 2.5vh, 30px) clamp(20px, 2.5vw, 28px);
    border-radius: 12px;
    box-shadow: 0 4px 16px 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 {
    font-size: clamp(28px, 3.2vw, 36px);
    width: clamp(50px, 6vw, 60px);
    height: clamp(50px, 6vw, 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-section) 0%, #f0f0f0 100%);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.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: max(450px, 55vh);
    border: 2px solid #f0f0f0;
}

.baidu-map-container {
    width: 100%;
    height: max(450px, 55vh);
    min-height: 450px;
    position: relative;
    overflow: hidden;
}

/* 百度地图GL信息窗口样式优化 */
.BMapGL_bubble_content,
.BMap_bubble_content {
    font-family: 'Noto Sans SC', sans-serif !important;
    padding: 0 !important;
    margin: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    overflow: hidden !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;
    box-shadow: none !important;
}

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

.BMapGL_bubble_bottom,
.BMap_bubble_bottom {
    height: 0 !important;
    display: none !important;
    background-image: none !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;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}

.BMapGL_bubble,
.BMap_bubble {
    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;
}

/* 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: #FFFFFF !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: 'Noto Sans 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;
}

/* ==================== 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;
}

/* ==================== 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: 1600px;
    }

    .project-card {
        height: 450px;
    }

    .contact-content {
        grid-template-columns: 1fr 2fr;
        max-width: 1500px;
        gap: 50px;
    }

    .contact-map,
    .baidu-map-container {
        height: max(500px, 60vh);
        min-height: 500px;
    }

    .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: 1400px;
    }
}

/* 平板横屏、三折叠手机单屏展开 */
@media (min-width: 1025px) and (max-width: 1399px) {
    .container {
        max-width: 1200px;
        padding: 0 clamp(20px, 3vw, 35px);
    }

    .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: 95%;
        padding: 0 clamp(20px, 3vw, 30px);
    }

    .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(12px, 1.5vw, 14px) clamp(28px, 4vw, 35px);
        font-size: clamp(14px, 1.6vw, 16px);
    }
}

/* 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;
    }

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

    .footer-content {
        gap: 15px;
    }

    .project-card {
        height: clamp(300px, 40vw, 400px);
    }

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

    /* 资质section平板响应式 */
    .company-info-banner {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .qual-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

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

/* 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(12px, 2vw, 15px) clamp(20px, 5vw, 35px);
    }

    .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 */
    .company-info-banner {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 15px;
    }

    .qual-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .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;
    }

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

    .project-card {
        height: clamp(280px, 60vw, 350px);
    }

    .project-overlay {
        padding: clamp(18px, 4vw, 25px);
    }

    .project-title {
        font-size: clamp(18px, 4vw, 22px);
    }

    /* 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;
    }

    /* 移动端联系我们section优化 */
    .contact-section .container {
        padding: 18px 0 12px;
    }

    .contact-section .section-header {
        margin-bottom: 15px;
    }

    .contact-info {
        gap: 12px;
    }

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

    .contact-icon {
        font-size: 24px;
        width: 40px;
        height: 40px;
    }

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

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

    .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);
    }

    .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: 12px 20px;
        width: 100%;
        max-width: 280px;
    }

    .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: 12px 25px;
        font-size: 14px;
    }

    .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: 300px;
    }

    .project-overlay {
        padding: 15px;
    }

    .project-title {
        font-size: 18px;
        margin-bottom: 8px;
    }

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

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

    /* 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 */
    .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 {
        font-size: 20px;
    }

    .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: 12px 0 10px;
    }

    .contact-section .section-header {
        margin-bottom: 12px;
    }

    .section-title {
        font-size: 22px;
    }

    .contact-info {
        gap: 10px;
    }

    .contact-item {
        padding: 10px 12px;
        gap: 10px;
        border-radius: 8px;
    }

    .contact-icon {
        font-size: 22px;
        width: 36px;
        height: 36px;
    }

    .contact-details h4 {
        font-size: 13px;
        margin-bottom: 3px;
    }

    .contact-details p {
        font-size: 11px;
        line-height: 1.4;
    }

    .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 {
        font-size: 28px;
    }

    .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: 1800px;
        padding: 0 60px;
    }

    .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(4, 1fr);
        gap: 50px;
    }

    .project-card {
        height: 500px;
    }

    .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: 1600px;
        margin: 0 auto;
    }

    .contact-map,
    .baidu-map-container {
        height: max(550px, 65vh);
        min-height: 550px;
    }

    .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: 1500px;
    }

    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 35px;
    }

    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 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;
    }

    .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;
    }
}