/* ========================================
   支付宝云支付聚合收款码推广网站
   CSS样式文件
   ======================================== */

/* CSS变量 - 主题色彩 */
:root {
    --primary-color: #1677FF;
    --primary-dark: #0958d9;
    --primary-light: #4096ff;
    --secondary-color: #00C853;
    --accent-color: #FF6B35;
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-color: #ffffff;
    --bg-light: #f5f7fa;
    --bg-dark: #1a1a2e;
    --border-color: #e8e8e8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --border-radius-sm: 8px;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

/* 通用按钮样式 */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 119, 255, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(22, 119, 255, 0.3);
    }
    50% {
        box-shadow: 0 4px 24px rgba(22, 119, 255, 0.6);
    }
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar .logo i {
    font-size: 28px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.nav-cta {
    padding: 10px 24px;
    font-size: 14px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f4ff 50%, #f0f7ff 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(22, 119, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 200, 83, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 60px 0;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 24px;
    color: var(--text-lighter);
}

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

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

/* ========================================
   通用区块样式
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

/* ========================================
   功能特点
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--bg-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
    background: white;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 32px;
    color: white;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   对比表格
   ======================================== */
.comparison {
    padding: 100px 0;
    background: var(--bg-light);
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table th,
.comparison-table td {
    padding: 20px 30px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--primary-color);
    color: white;
    font-size: 18px;
    font-weight: 600;
}

.comparison-table th.old-way {
    background: #999;
}

.comparison-table th.new-way {
    background: var(--secondary-color);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    background: var(--bg-light);
}

.comparison-table td.old-way {
    color: var(--text-lighter);
    text-decoration: line-through;
}

.comparison-table td.new-way {
    color: var(--secondary-color);
    font-weight: 600;
}

.comparison-table td.new-way i {
    margin-right: 8px;
}

.comparison-table tr:hover td {
    background: #f8f9fa;
}

/* ========================================
   商户类型
   ======================================== */
.merchant-types {
    padding: 100px 0;
    background: white;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.type-card {
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.type-card:hover {
    background: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.type-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: var(--primary-color);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.type-icon i {
    font-size: 28px;
    color: white;
}

.type-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.type-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* ========================================
   申请开通
   ======================================== */
.apply-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f4ff 100%);
}

.apply-options {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

.apply-card {
    flex: 1;
    background: white;
    padding: 50px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.apply-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.apply-icon i {
    font-size: 36px;
    color: white;
}

.apply-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.apply-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.qr-code-wrapper {
    margin: 24px 0;
}

.qr-code {
    width: 200px;
    height: 200px;
    border: 3px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    padding: 10px;
    background: white;
}

.qr-tip {
    margin-top: 12px;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.apply-divider {
    display: flex;
    align-items: center;
}

.apply-divider span {
    background: white;
    padding: 16px;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

/* 申请表单 */
.apply-form {
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

.checkbox-group {
    margin-top: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.apply-btn {
    width: 100%;
    margin-top: 24px;
}

/* ========================================
   开通流程
   ======================================== */
.process {
    padding: 100px 0;
    background: white;
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.step {
    text-align: center;
    flex: 1;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-light);
}

.step-arrow {
    color: var(--primary-color);
    font-size: 24px;
}

/* ========================================
   客户评价
   ======================================== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-light);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content i {
    font-size: 32px;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: 16px;
}

.testimonial-content p {
    font-size: 15px;
    color: var(--text-color);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar i {
    font-size: 48px;
    color: var(--primary-color);
    opacity: 0.3;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.author-info p {
    font-size: 13px;
    color: var(--text-light);
}

/* ========================================
   FAQ 预览
   ======================================== */
.faq-preview {
    padding: 100px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--bg-light);
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: #e8f4ff;
}

.faq-question span {
    font-weight: 600;
    font-size: 16px;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px 24px;
    max-height: 200px;
}

.faq-answer p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-more {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: white;
    font-size: 20px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-contact i {
    margin-right: 8px;
    color: var(--primary-color);
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-qrcode h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 8px;
}

.footer-qrcode p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ========================================
   弹窗
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

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

.modal-content {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: slideUp 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

.modal-qr img {
    width: 280px;
    height: 280px;
    border: 3px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    padding: 10px;
}

.modal-tip {
    margin-top: 16px;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.modal-note {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-light);
}

/* 成功弹窗 */
.success-content .success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-content .success-icon i {
    font-size: 40px;
    color: white;
}

.success-content h3 {
    color: var(--secondary-color);
}

.success-tip {
    margin-top: 16px;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

/* 隐私协议弹窗 */
.privacy-content {
    max-width: 600px;
    text-align: left;
}

.privacy-text {
    max-height: 300px;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
}

.privacy-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 20px;
}

.privacy-text h4:first-child {
    margin-top: 0;
}

.privacy-text p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   回到顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }
    
    .features-grid,
    .types-grid,
    .testimonials-slider {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .apply-options {
        flex-direction: column;
    }
    
    .apply-divider {
        justify-content: center;
        padding: 20px 0;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        flex-wrap: wrap;
    }
    
    .step-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    /* 导航栏移动端 */
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: var(--shadow-md);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero */
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    /* 其他 */
    .section-title {
        font-size: 28px;
    }
    
    .features-grid,
    .types-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 12px 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-qrcode img {
        margin: 0 auto;
    }
}

/* ========================================
   其他页面通用样式
   ======================================== */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f4ff 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-light);
}

.content-section {
    padding: 80px 0;
}

.content-section:nth-child(even) {
    background: var(--bg-light);
}

/* 优势卡片 */
.advantage-card {
    display: flex;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
}

.advantage-card:nth-child(even) {
    flex-direction: row-reverse;
}

.advantage-card .icon-box {
    width: 200px;
    height: 200px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card .icon-box i {
    font-size: 80px;
    color: white;
}

.advantage-card .content {
    flex: 1;
}

.advantage-card h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
}

.advantage-card p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.advantage-card ul {
    list-style: none;
}

.advantage-card li {
    padding: 8px 0;
    font-size: 15px;
}

.advantage-card li i {
    color: var(--secondary-color);
    margin-right: 10px;
}

/* 关于页面 */
.about-hero {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-hero .text {
    flex: 1;
}

.about-hero .image {
    flex: 1;
    text-align: center;
}

.about-hero .image i {
    font-size: 200px;
    color: var(--primary-color);
    opacity: 0.2;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.contact-card {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.contact-card p {
    font-size: 15px;
    color: var(--text-light);
}