:root {
    /* 春节红色调 - 只修改颜色变量 */
    --primary: #c62828;          /* 主色：中国红 */
    --secondary: #e53935;        /* 次色：亮红 */
    --accent: #f44336;           /* 强调色：活力红 */
    --light: #fff5f5;            /* 浅色：淡红 */
    --gray: #b71c1c;             /* 标准灰：暗红 */
    --metal: #c0c0c0;     
    --warm-gray: #a9a9a9;   
    --dark: #2c3e50;        
    --rust: #8b4513;      
    --steel: #808080;       
    --iron: #43464b;         
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden; 
}

html { 
    scroll-behavior: smooth; 
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
/* Header */
header {
    padding: 10px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-bottom: 1px solid #e8e8e8;
}   

header.scrolled {
    background: rgba(255, 255, 255, 0.99);
    padding: 5px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--iron);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    margin-left: 8px;
}
.main-nav {
    display: flex;
    list-style: none;
    height: 100%;
    align-items: center;
    margin: 0;
    padding: 0;
}

.main-nav > li {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.main-nav a {
    color: #4a4a4a;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.main-nav a.active {
    color: var(--primary);
    font-weight: 600;
}

.main-nav a:hover {
    color: var(--rust);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--rust);
    transition: width 0.3s;
}

.main-nav a:hover::after {
    width: 100%;
}

.main-nav > li > a {
    display: flex;
    align-items: center;
    padding: 0 18px;
    height: 100%;
    color: #4a4a4a;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}

.main-nav > li > a:hover {
    color: var(--rust) !important;
    font-weight: 700 !important;
}

.main-nav > li > a.active {
    color: var(--primary);
    font-weight: 600;
}

.main-nav > li > a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px 2px 0 0;
}

/* 涓嬫媺鑿滃崟 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 140%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: 0 0 8px 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    z-index: 1000;
    border: 1px solid var(--metal);
    overflow: hidden;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 12px 18px;
    background: var(--light);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid var(--metal);
}

.dropdown-menu li:not(.dropdown-header) a {
    display: block;
    padding: 12px 18px;
    color: #4a4a4a;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-bottom: 1px solid #f5f5f5;
}

.dropdown-menu li:not(.dropdown-header) a:hover {
    color: var(--rust) !important;
    font-weight: 600 !important;
    background: #f8f8f8;
}

/* 绔嬪嵆鍜ㄨ鎸夐挳 */
.consult-btn {
    padding: 8px 14px;
    color: white;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 14px;
    background: linear-gradient(135deg, var(--secondary), var(--iron)) !important;
    transition: all 0.3s;
    border: 1px solid var(--metal);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.consult-btn:hover {
    color: white !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(90, 90, 90, 0.3);
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 20px;
    color: #333;
    padding: 8px;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    background: white;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}
/* Banner */
.banner {
    position: relative;
    height: 400px;
    overflow: hidden;
    width: 100%;
    /* 背景图和渐变叠加，优化层级 */
    background: linear-gradient(135deg, #2c3e50 0%, #4a5568 50%, #718096 100%);
}

/* 背景图片作为单独的层 */
.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/skin/default/images/banner01.jpg') center/cover no-repeat;
    opacity: 0.8; /* 可调整背景图透明度 */
    z-index: 1;
}

/* 遮罩层 */
.banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 2;
}

.banner-content {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transform: translate(-50%, calc(-50% + 20px)); 
    z-index: 3;
    max-width: 700px;
    width: 90%;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    padding: 0 35px;
}

.banner-title {
    font-size: 48px;
    font-weight: bold;
    animation: fadeInUp 1s;
    margin-bottom: 16px; /* 添加间距，优化排版 */
}

.banner-subtitle {
    font-size: 24px;
    animation: fadeInUp 1s 0.5s both;
}   

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-showcase { 
    padding: 70px 0; 
    background: #fff; 
}

.section-title { 
    text-align: center; 
    font-size: 2rem; 
    margin-bottom: 15px; 
    color: var(--charcoal); /* 使用炭灰色 */
    position: relative;
    letter-spacing: 0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--stone); /* 使用石灰色 */
    margin: 10px auto;
    border-radius: 2px;
}

.section-subtitle { 
    text-align: center; 
    color: var(--ash); /* 使用灰烬色 */
    margin-bottom: 50px; 
    max-width: 700px; 
    margin-left: auto; 
    margin-right: auto; 
    font-weight: 400;
    line-height: 1.6;
}

.category-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 25px; 
}

.category-card {
    background: #fff; 
    border-radius: 8px; 
    padding: 30px; 
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03); 
    border: 1px solid var(--pearl); /* 使用珍珠灰 */
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--stone), var(--ash));
    opacity: 0;
    transition: opacity 0.3s;
}

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

.category-card:hover {
    transform: translateY(-8px); 
    box-shadow: 0 15px 35px rgba(108, 117, 125, 0.1);
    border-color: var(--stone);
}

.category-icon {
    background: linear-gradient(135deg, var(--ivory), #edf2f7); 
    width: 70px; 
    height: 70px;
    line-height: 70px; 
    border-radius: 50%; 
    margin: 0 auto 20px; 
    font-size: 1.8rem; 
    color: var(--slate); /* 使用板岩灰 */
    border: 1px solid var(--pearl);
    transition: all 0.3s;
}

.category-card:hover .category-icon {
    background: linear-gradient(135deg, #edf2f7, var(--ivory));
    color: var(--charcoal);
    transform: rotate(5deg);
}

.category-card h3 { 
    font-size: 1.3rem; 
    margin-bottom: 10px; 
    color: var(--charcoal); 
    font-weight: 600;
}

.category-card p { 
    color: var(--ash); 
    font-size: 0.95rem; 
    margin-bottom: 20px; 
    min-height: 40px; 
    line-height: 1.5;
}

.category-stats { 
    color: var(--stone); 
    font-size: 0.9rem; 
    margin-bottom: 20px; 
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.category-card .action-btn {
    display: inline-block; 
    background: var(--ivory); 
    color: var(--slate); 
    padding: 10px 22px;
    border-radius: 4px; 
    text-decoration: none; 
    font-weight: 600; 
    font-size: 0.95rem;
    transition: all 0.3s; 
    border: 1px solid var(--pearl);
    letter-spacing: 0.3px;
}

.category-card:hover .action-btn { 
    background: var(--slate); 
    color: white; 
    border-color: var(--slate); 
}

/* 热门信息列表 */
.hot-listings { 
    padding: 70px 0; 
    background-color: var(--ivory); /* 使用象牙白 */
}

.listings-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 30px; 
}

.listings-header h3 { 
    font-size: 1.6rem; 
    color: var(--charcoal); 
    font-weight: 600;
}

.listings-header a { 
    color: var(--slate); 
    text-decoration: none; 
    font-weight: 600; 
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.listings-header a:hover {
    color: var(--charcoal);
    gap: 12px;
}

.listings-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); 
    gap: 25px; 
}

.listing-card {
    background: white; 
    border-radius: 8px; 
    overflow: hidden; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: all 0.3s; 
    display: flex; 
    flex-direction: column; 
    height: 100%;
    border: 1px solid var(--pearl);
}

.listing-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 15px 30px rgba(108, 117, 125, 0.08); 
}

.listing-img {
    height: 180px; 
    overflow: hidden; 
    position: relative; 
    background: linear-gradient(135deg, var(--pearl), #e2e8f0);
}

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

.listing-card:hover .listing-img img { 
    transform: scale(1.05); 
}

.listing-badge {
    position: absolute; 
    top: 15px; 
    right: 15px; 
    background: var(--primary-color);
    border-radius: 50%;
    color: white;
    padding: 5px 12px; 
    font-size: 0.8rem; 
    font-weight: 600;
    letter-spacing: 0.5px;
}

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

.listing-content h4 { 
    font-size: 1.2rem; 
    margin-bottom: 10px; 
    color: var(--charcoal); 
    line-height: 1.4; 
    font-weight: 600;
}

.listing-content p { 
    color: var(--ash); 
    font-size: 0.95rem; 
    margin-bottom: 15px; 
    flex-grow: 1; 
    line-height: 1.5;
}

.listing-meta {
    display: flex; 
    justify-content: space-between; 
    color: var(--stone); 
    font-size: 0.9rem;
    padding-top: 15px; 
    border-top: 1px solid var(--pearl); 
    margin-top: auto;
}

/* 用户角色引导区 */
.user-guide { 
    padding: 80px 0; 
    background: #fff; 
    border-top: 1px solid var(--pearl);
}

.guide-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
}

.guide-card {
    background: var(--ivory); 
    border-radius: 8px; 
    padding: 35px; 
    border: 1px solid var(--pearl);
    transition: all 0.3s;
    position: relative;
}

.guide-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--stone), var(--ash));
    border-radius: 8px 0 0 8px;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.guide-card:hover { 
    border-color: var(--stone); 
    background: #fff; 
    box-shadow: 0 10px 25px rgba(108, 117, 125, 0.05); 
}

.guide-card h4 { 
    font-size: 1.3rem; 
    margin-bottom: 15px; 
    color: var(--charcoal); 
    display: flex; 
    align-items: center; 
    font-weight: 600;
}

.guide-card h4 i { 
    margin-right: 10px; 
    color: var(--slate); 
}

.role-tag {
    display: inline-block; 
    background: var(--ivory); 
    color: var(--slate); 
    padding: 4px 12px;
    border-radius: 4px; 
    font-size: 0.85rem; 
    font-weight: 600; 
    margin-left: 10px;
    border: 1px solid var(--pearl);
}

.guide-card p { 
    color: var(--ash); 
    margin-bottom: 20px; 
    line-height: 1.6;
}

.guide-cta {
    display: inline-block; 
    background: linear-gradient(135deg, var(--slate), var(--charcoal)); 
    color: white; 
    padding: 12px 25px;
    border-radius: 4px; 
    text-decoration: none; 
    font-weight: 600; 
    transition: all 0.3s;
    border: 1px solid var(--slate);
    letter-spacing: 0.3px;
}

.guide-cta:hover { 
    background: linear-gradient(135deg, var(--charcoal), var(--slate)); 
    box-shadow: 0 5px 15px rgba(45, 52, 54, 0.2); 
    transform: translateY(-1px);
}
        .core-expansion {
            padding: 4rem 0;
            background: #fff;
            color: #333;
        }

        .slogan-deconstruction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
            gap: 3rem;
            margin-bottom: 4rem;
            padding-bottom: 3rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .decode-column h3 {
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            color: #1a1a1a;
        }
        .decode-chinese {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            margin-right: 0.5rem;
        }
        .decode-arrow {
            color: #aaa;
            margin: 0 0.8rem;
        }
        .decode-meaning {
            color: var(--secondary);
            font-weight: 600;
        }
        .reality-list,
        .value-list {
            list-style: none;
            margin-top: 1.2rem;
            padding-left: 0;
        }
        .reality-list li,
        .value-list li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            align-items: center;
        }
        .reality-list i {
            color: var(--primary);
            margin-right: 0.8rem;
            width: 1.2rem;
        }
        .value-list i {
            color: var(--secondary);
            margin-right: 0.8rem;
            width: 1.2rem;
        }

        .system-interface {
            margin-bottom: 4rem;
        }
        .interface-title {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 2.5rem;
            color: #1a1a1a;
        }
        .interface-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
            gap: 2rem;
        }
        .interface-card {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 1.8rem;
            border-top: 4px solid var(--primary);
        }
        .interface-card:nth-child(2) {
            border-top-color: var(--secondary);
        }
        .interface-card:nth-child(3) {
            border-top-color: var(--accent);
        }
        .interface-card h4 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #1a1a1a;
        }
        .role-tag {
            color: var(--secondary);
            font-weight: 800;
        }
        .action-path {
            background: white;
            padding: 1.2rem;
            border-radius: 6px;
            margin: 1.2rem 0;
        }
        .path-btn {
            display: block;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white !important;
            text-align: center;
            padding: 0.8rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 0.8rem;
            transition: transform 0.2s;
        }
        .path-btn:hover {
            transform: translateY(-2px);
            text-decoration: none;
        }
        .path-btn.outline {
            background: white;
            color: #333 !important;
            border: 1px solid #ccc;
        }
        .path-btn.outline:hover {
            background: #f5f5f5;
            text-decoration: none;
        }
        .path-output {
            font-size: 0.9rem;
            border-top: 1px solid #eee;
            padding-top: 1rem;
        }
        .output-label {
            color: #666;
            margin-right: 0.5rem;
        }
        .output-value {
            color: #333;
            font-weight: 500;
        }

        .live-proof {
            background: #1a1a1a;
            color: #f0f0f0;
            padding: 2.5rem;
            border-radius: 12px;
        }
        .live-proof h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .proof-feed {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .proof-item {
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .proof-item:last-child {
            border-bottom: none;
        }
        .proof-time {
            color: var(--primary);
            font-family: monospace;
            margin-right: 1.5rem;
        }
        .proof-cat {
            background: rgba(198, 40, 40, 0.2);
            color: #ff9999;
            padding: 0.2rem 0.6rem;
            border-radius: 3px;
            font-size: 0.8rem;
            margin-right: 1rem;
        }
        .proof-text {
            color: #ddd;
        }
        .proof-footer {
            text-align: center;
            color: #aaa;
            font-size: 0.95rem;
        }
        .proof-footer a {
            color: var(--primary);
            text-decoration: none;
        }
        .proof-footer a:hover {
            text-decoration: underline;
        }

        .system-spec {
            padding: 4rem 0;
            background: #0a0a0a;
            color: #e0e0e0;
            font-family: 'Segoe UI', 'SF Mono', monospace;
        }
        .spec-header {
            text-align: center;
            margin-bottom: 3rem;
            border-bottom: 1px solid #333;
            padding-bottom: 2rem;
        }
        .spec-header h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 0.5rem;
            font-weight: 400;
        }
        .spec-id {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            letter-spacing: 1px;
        }
        .spec-objective {
            font-size: 1.3rem;
            line-height: 1.6;
            color: #ccc;
            max-width: 800px;
            margin: 0 auto;
        }
        .spec-objective b {
            color: var(--primary);
            font-weight: 600;
        }
        .component-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .component {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid #333;
            border-radius: 6px;
            padding: 1.8rem;
        }
        .component.main {
            border-color: var(--primary);
            background: rgba(198, 40, 40, 0.05);
        }
        .component h3 {
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 1.5rem;
            font-weight: 500;
        }
        .component-tag {
            display: inline-block;
            background: #444;
            color: #aaa;
            font-size: 0.8rem;
            padding: 0.2rem 0.6rem;
            border-radius: 3px;
            margin-right: 0.8rem;
            font-family: monospace;
        }
        .component.main .component-tag {
            background: #8b0000;
            color: #ff6666;
        }
        .component-spec p {
            color: #aaa;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .component-spec strong {
            color: #ccc;
            font-weight: 600;
        }
        .component-status {
            margin-top: 1.5rem;
            padding-top: 1rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
            display: flex;
            align-items: center;
        }

footer {
    background: var(--dark);
    padding: 60px 0 30px;
    color: white;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-column h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary);
}

.contact-info {
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.contact-info i {
    margin-right: 10px;
    color: var(--primary);
}

.wechat-section {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.wechat-qr {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-weight: bold;
}

.wechat-qr img {
    width: 100%;
    border-radius: 10px;
}

.wechat-text {
    flex: 1;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.contact-bubble {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 168, 232, 0.5);
    cursor: pointer;
    transition: transform 0.3s;
}

.contact-bubble:hover {
    transform: scale(1.1);
}

.contact-popup {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 250px;
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid #e0e0e0;
    display: none;
}

.contact-popup.show {
    display: block;
}

.popup-title {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.popup-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.popup-btn {
    padding: 10px;
    text-align: center;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.form-btn {
    background: var(--primary);
    color: white;
}

.contact-btn-footer {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}


@media (max-width: 992px) {
    /* 闅愯棌妗岄潰绔厓绱� */
    .consult-btn {
        display: none !important;
    }
    
    .desktop-arrow {
        display: none;
    }
    
    /* 鏄剧ず绉诲姩绔彍鍗曟寜閽� */
    .mobile-menu-btn {
        display: flex !important;
    }
    
    /* 绉诲姩绔鑸彍鍗曟牱寮� */
    .main-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        align-items: stretch;
        box-shadow: none;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 0;
    }
    
    .main-nav.show {
        left: 0;
    }
    
    .main-nav > li {
        width: 100%;
        border-bottom: 1px solid #e8e8e8;
    }
    
    .main-nav > li > a {
        padding: 16px 20px;
        width: 100%;
        justify-content: space-between;
        font-size: 16px;
        box-sizing: border-box;
    }
    
    .main-nav > li > a.active::after {
        display: none;
    }
    
    .main-nav > li > a.active {
        background: rgba(90, 90, 90, 0.05);
        border-left: 4px solid var(--primary);
    }
    
    /* 绉诲姩绔笅鎷夎彍鍗� */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        background: #fafafa;
        min-width: 100%;
        border: none;
        margin: 0;
        padding: 0;
        width: 100%;
    }
    
    .dropdown-menu.active {
        max-height: 500px;
    }
    
    .dropdown-menu li:not(.dropdown-header) a {
        padding: 12px 20px 12px 30px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .dropdown-header {
        padding: 12px 20px 12px 30px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .mobile-toggle {
        display: inline-block !important;
        transition: transform 0.3s;
        color: #999;
    }
    
    .dropdown.active .mobile-toggle {
        transform: rotate(45deg);
        color: var(--primary);
    }
    
    /* Banner璋冩暣 */
    
    .banner-image {
        padding-left: 5%;
    } 
    .banner-content {
        padding: 0 15px;
    }
    .banner-title {
        font-size: 28px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    /* Footer璋冩暣 */
    .footer-content {
        flex-direction: column;
    }
}

/* 瓒呭皬灞忓箷鎵嬫満 */
@media (max-width: 480px) {
    .banner-title {
        font-size: 24px;
    }
    
    .banner-subtitle {
        font-size: 14px;
    }
    .logo-section {
        gap: 10px;
    }
    
    .logo-text {
        font-size: 24px;
    }
    
    .logo-subtitle {
        font-size: 12px;
        padding-left: 10px;
    }
    
    .logo-url {
        font-size: 10px;
    }
    
    .main-nav > li > a {
        padding: 14px 15px;
        font-size: 15px;
    }
}

/* 瓒呭皬灞忓箷鎵嬫満 */
@media (max-width: 375px) {
    .logo-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
    
    .logo-text {
        font-size: 22px;
    }
    
    .logo-subtitle {
        border-left: none;
        padding-left: 0;
    }
    
    .mobile-menu-btn {
        width: 36px;
        height: 36px;
    }
}