/* 亲子鉴定网站 - 美化样式表 */
/* 使用免费Unsplash图片作为背景，无水印 */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.06);
    --radius: 8px;
    --radius-lg: 14px;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37,99,235,0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(14,165,233,0.03) 0%, transparent 50%);
    background-attachment: fixed;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部联系栏 */
.top-bar {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 10px 0;
    font-size: 14px;
    position: relative;
    z-index: 101;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="p" patternUnits="userSpaceOnUse" width="20" height="20"><circle cx="10" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect fill="url(%23p)" width="100" height="100"/></svg>');
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-contact {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.phone-btn {
    background: var(--primary);
    color: #fff !important;
    padding: 5px 14px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 13px;
    transition: all 0.2s;
    white-space: nowrap;
}

.phone-btn:hover {
    background: var(--primary-dark);
    color: #fff !important;
    transform: scale(1.05);
}

.wechat-hint {
    color: var(--accent);
    font-size: 13px;
    opacity: 0.9;
}

/* 导航栏 */
.main-nav {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 64px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 6px;
    height: 100%;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    position: relative;
    font-size: 15px;
    transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* 面包屑 */
.breadcrumb {
    padding: 14px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

.breadcrumb strong {
    color: var(--text-primary);
}

/* 主横幅 Hero - 添加背景图片 */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 40%, #3b82f6 100%);
    color: #fff;
    text-align: center;
    padding: 80px 20px 70px;
    position: relative;
    overflow: hidden;
    background-image: 
        url('https://images.unsplash.com/photo-1576086213369-97a306d36557?w=1920&q=80'),
        linear-gradient(135deg, #1e40af 0%, #2563eb 40%, #3b82f6 100%);
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%),
        linear-gradient(135deg, rgba(30,64,175,0.85) 0%, rgba(37,99,235,0.85) 40%, rgba(59,130,246,0.85) 100%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--bg-light), transparent);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.15);
    animation: fadeInUp 0.8s ease-out;
}

.hero .subtitle {
    font-size: 20px;
    opacity: 0.95;
    margin-bottom: 10px;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .service-area {
    font-size: 15px;
    opacity: 0.8;
    margin-bottom: 35px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #fbbf24);
    color: #1e293b !important;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(245,158,11,0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(245,158,11,0.45);
    color: #1e293b !important;
}

.btn-secondary {
    background: rgba(255,255,255,0.12);
    color: #fff !important;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid rgba(255,255,255,0.35);
    transition: all 0.25s;
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.55);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
}

.hero-phone {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

/* 章节标题 */
.section-title {
    font-size: 30px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    color: var(--text-primary);
    letter-spacing: -0.3px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 45px;
    margin-top: 20px;
}

/* 服务卡片 */
.services {
    padding: 70px 0 80px;
    background: var(--bg-white);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(37,99,235,0.02) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(14,165,233,0.02) 0%, transparent 50%);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px 32px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
    overflow: hidden;
    background-image: 
        radial-gradient(circle at 100% 0%, rgba(37,99,235,0.03) 0%, transparent 50%);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.service-card.featured {
    background: linear-gradient(170deg, #eff6ff 0%, #dbeafe 100%);
    border-color: var(--primary);
}

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

.featured-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--accent), #fbbf24);
    color: #1e293b;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.service-icon {
    font-size: 44px;
    margin-bottom: 18px;
    display: block;
    animation: float 3s ease-in-out infinite;
}

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

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 22px;
}

.service-features li {
    padding: 5px 0;
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 2px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    font-size: 14px;
    color: var(--primary);
    transition: all 0.2s;
}

.service-link:hover {
    gap: 8px;
    color: var(--primary-dark);
}

/* 优势区域 */
.why-choose,
.local-advantage {
    padding: 70px 0 80px;
    background: var(--bg-light);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37,99,235,0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(14,165,233,0.02) 0%, transparent 50%);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.advantage-item {
    background: var(--bg-white);
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    background-image: 
        radial-gradient(circle at 100% 100%, rgba(37,99,235,0.03) 0%, transparent 50%);
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 4px 0 0 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.advantage-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--border);
}

.advantage-item:hover::before {
    opacity: 1;
}

.advantage-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary);
    font-weight: 700;
    padding-left: 0;
    transition: padding-left 0.3s;
}

.advantage-item:hover h3 {
    padding-left: 12px;
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

/* 办理流程 */
.process {
    padding: 70px 0 80px;
    background: var(--bg-white);
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(37,99,235,0.02) 0%, transparent 50%);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    position: relative;
}

.step {
    flex: 1;
    min-width: 160px;
    text-align: center;
    position: relative;
    padding: 28px 16px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(37,99,235,0.05) 0%, transparent 50%);
}

.step:hover {
    background: var(--primary-light);
    transform: translateY(-4px);
}

.step::after {
    content: '\2192';
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 22px;
    color: var(--primary);
    font-weight: 700;
}

.step:last-child::after {
    display: none;
}

.step-num {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    margin: 0 auto 14px;
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37,99,235,0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37,99,235,0.5);
    }
}

.step h3 {
    font-size: 16px;
    margin-bottom: 6px;
    font-weight: 700;
    color: var(--text-primary);
}

.step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 价格表 */
.pricing {
    padding: 70px 0 80px;
    background: var(--bg-light);
}

.price-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.price-table th,
.price-table td {
    padding: 15px 22px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.price-table th {
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    border-bottom: none;
}

.price-table tr:last-child td {
    border-bottom: none;
}

.price-table tr:hover td {
    background: var(--primary-light);
}

.price-note {
    text-align: center;
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* FAQ */
.faq {
    padding: 70px 0 80px;
    background: var(--bg-white);
}

.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 0;
    margin-bottom: 14px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
    user-select: none;
}

.faq-question:hover {
    background: var(--primary-light);
}

.faq-question::before {
    content: 'Q';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-question .arrow {
    margin-left: auto;
    transition: transform 0.3s;
    font-size: 12px;
    color: var(--text-muted);
}

.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px 20px 64px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.85;
    display: none;
}

.faq-item.open .faq-answer {
    display: block;
}

/* 城市选择 */
.city-select {
    padding: 70px 0 80px;
    background: var(--bg-light);
    background-image: 
        radial-gradient(circle at 30% 50%, rgba(37,99,235,0.02) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(14,165,233,0.02) 0%, transparent 50%);
}

.city-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 45px;
    font-size: 16px;
}

.province-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.province-group {
    background: var(--bg-white);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s;
    background-image: 
        radial-gradient(circle at 100% 0%, rgba(37,99,235,0.03) 0%, transparent 50%);
}

.province-group:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.province-group h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
    font-weight: 700;
}

.city-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.city-chip {
    background: var(--bg-light);
    padding: 7px 16px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid var(--border);
    transition: all 0.2s;
    color: var(--text-primary);
}

.city-chip:hover {
    background: var(--primary);
    color: #fff !important;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}

.more-cities {
    padding: 7px 16px;
    font-size: 14px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
}

/* 城市链接 */
.city-links {
    padding: 50px 0;
    background: var(--bg-white);
}

.city-link-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.city-link-item {
    background: var(--bg-light);
    padding: 8px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    border: 1px solid var(--border);
    transition: all 0.2s;
    color: var(--text-primary);
}

.city-link-item:hover {
    background: var(--primary);
    color: #fff !important;
    border-color: var(--primary);
}

/* 联系我们 */
.contact {
    padding: 70px 0 80px;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    background-image: 
        url('https://images.unsplash.com/photo-1559827260-dc66d52bef19?w=1920&q=80'),
        linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 80% 20%, rgba(59,130,246,0.15) 0%, transparent 70%),
        linear-gradient(135deg, rgba(15,23,42,0.9) 0%, rgba(30,58,95,0.9) 50%, rgba(30,64,175,0.9) 100%);
    pointer-events: none;
}

.contact .section-title {
    color: #fff;
}

.contact .section-title::after {
    background: linear-gradient(90deg, var(--accent), #fbbf24);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px 22px;
    background: rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.3s;
    backdrop-filter: blur(4px);
}

.contact-item:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.18);
    transform: translateX(4px);
}

.contact-icon {
    font-size: 30px;
    width: 48px;
    flex-shrink: 0;
    text-align: center;
}

.contact-item strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
    color: rgba(255,255,255,0.95);
}

.contact-item p {
    font-size: 15px;
    opacity: 0.85;
    line-height: 1.6;
}

.contact-item a {
    color: #fff !important;
    font-size: 18px;
    font-weight: 600;
    word-break: break-all;
}

.contact-cta {
    text-align: center;
    padding: 40px 32px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
}

.contact-cta h3 {
    font-size: 24px;
    margin-bottom: 14px;
    font-weight: 700;
}

.contact-cta p {
    opacity: 0.8;
    margin-bottom: 28px;
    font-size: 15px;
    line-height: 1.7;
}

.cta-btns {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* 页脚 */
.footer {
    background: #0f172a;
    color: #fff;
    padding: 56px 0 24px;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37,99,235,0.05) 0%, transparent 50%);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h4,
.footer-contact h4,
.footer-links-col h4 {
    font-size: 18px;
    margin-bottom: 18px;
    font-weight: 700;
    color: #fff;
}

.footer-brand p,
.footer-contact p {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 8px;
    line-height: 1.7;
}

.footer-links-col a {
    display: block;
    color: rgba(255,255,255,0.7);
    padding: 6px 0;
    font-size: 14px;
    transition: all 0.2s;
}

.footer-links-col a:hover {
    opacity: 1;
    color: var(--accent) !important;
    padding-left: 6px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 14px;
    opacity: 0.55;
}

/* 移动端底部固定栏 */
.mobile-footer-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 10px 12px;
    z-index: 1000;
    gap: 10px;
}

.mobile-call-btn,
.mobile-wechat-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 48%;
    text-align: center;
    padding: 13px 10px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 15px;
    transition: all 0.2s;
}

.mobile-call-btn {
    background: linear-gradient(135deg, var(--success), #059669);
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}

.mobile-call-btn:hover {
    transform: translateY(-2px);
}

.mobile-wechat-btn {
    background: linear-gradient(135deg, #07c160, #06ad56);
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(7,193,96,0.3);
}

.mobile-wechat-btn:hover {
    transform: translateY(-2px);
}

/* 响应式 */
@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .top-contact {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 50px 16px 60px;
    }

    .hero h1 {
        font-size: 26px;
    }

    .hero .subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .process-steps {
        flex-direction: column;
    }

    .step::after {
        display: none;
    }

    .step {
        min-width: auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .mobile-footer-bar {
        display: flex;
    }

    body {
        padding-bottom: 70px;
    }

    .province-list {
        grid-template-columns: 1fr;
    }

    .advantage-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 22px;
    }
}