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

:root {
    --primary-color: #1a365d;
    --secondary-color: #c9a227;
    --accent-color: #2c5282;
    --text-color: #333;
    --light-bg: #f7fafc;
    --white: #fff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* 导航栏 */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-link-external {
    background: var(--secondary-color);
    color: var(--white) !important;
    padding: 8px 15px;
    border-radius: 5px;
}

.nav-link-external:hover {
    background: var(--primary-color);
    color: var(--white) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    text-align: center;
    padding: 150px 20px 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-secondary-light {
    display: inline-block;
    background: transparent;
    color: var(--white);
    padding: 15px 40px;
    text-decoration: none;
    border: 2px solid var(--white);
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary-light:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-primary {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--primary-color);
    padding: 10px 25px;
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s;
}

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

/* 通用标题 */
.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 50px;
}

/* 服务板块 */
.services {
    padding: 100px 20px;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* 产品板块 */
.products {
    padding: 100px 20px;
    background: var(--light-bg);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.product-tab {
    padding: 12px 30px;
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.product-tab:hover {
    background: var(--primary-color);
    color: var(--white);
}

.product-tab.active {
    background: var(--primary-color);
    color: var(--white);
}

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

.product-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    position: relative;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card.featured {
    border: 2px solid var(--secondary-color);
}

.product-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-company {
    color: #666;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin-bottom: 25px;
}

.product-features li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.product-features li::before {
    content: '✓';
    color: var(--secondary-color);
    margin-right: 10px;
}

.product-card-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--primary-color);
    padding: 10px 20px;
    text-decoration: none;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

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

/* 优势板块 */
.advantages {
    padding: 100px 20px;
    background: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
    padding: 20px;
}

.advantage-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.advantage-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
}

/* 案例板块 */
.cases {
    padding: 100px 20px;
    background: var(--light-bg);
}

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

.case-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.case-avatar {
    font-size: 3rem;
    margin-bottom: 15px;
}

.case-card h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.case-role {
    color: #666;
    margin-bottom: 15px;
}

.case-content {
    font-style: italic;
    margin-bottom: 20px;
    color: #555;
}

.case-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.case-tags span {
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* 关于板块 */
.about {
    padding: 100px 20px;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.about-subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.about-text p {
    margin-bottom: 15px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* 公司信息 */
.company-info {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 10px;
}

.company-info h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
}

.company-logos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.company-item {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.company-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.company-item ul {
    list-style: none;
}

.company-item ul li {
    padding: 6px 0;
    border-bottom: 1px dashed #ddd;
    font-size: 0.9rem;
}

.company-item ul li:last-child {
    border-bottom: none;
}

/* 联系板块 */
.contact {
    padding: 100px 20px;
    background: var(--primary-color);
    color: var(--white);
}

.contact .section-title {
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-social {
    margin-top: 30px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
}

.social-icon:hover {
    background: var(--secondary-color);
}

.contact-partners {
    margin-top: 25px;
}

.contact-partners p {
    margin-bottom: 10px;
}

.partner-links {
    display: flex;
    gap: 15px;
}

.partner-link {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.partner-link:hover {
    background: var(--secondary-color);
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 10px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.contact-form .btn-primary {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

/* 知识科普板块 */
.knowledge {
    padding: 100px 20px;
    background: var(--white);
}

.knowledge-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

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

.knowledge-item {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.knowledge-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 流程步骤 */
.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.process-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
    padding: 30px 20px;
    background: var(--light-bg);
    border-radius: 10px;
    position: relative;
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.process-step h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 对比表格 */
.compare-table {
    overflow-x: auto;
}

.compare-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 10px;
    overflow: hidden;
}

.compare-table th,
.compare-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.compare-table th {
    background: var(--primary-color);
    color: var(--white);
}

.compare-table tr:hover {
    background: var(--light-bg);
}

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

.faq-item {
    background: var(--light-bg);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.faq-item.active .faq-question::after {
    content: '-';
}

.faq-answer {
    padding: 0 20px 20px;
    color: #555;
    display: none;
}

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

/* 风险提示 */
.risk-notice {
    padding: 80px 20px;
    background: #fff5f5;
}

.risk-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.risk-item {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #e53e3e;
}

.risk-item h4 {
    color: #c53030;
    margin-bottom: 10px;
}

.risk-summary {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    font-style: italic;
}

/* 页脚 */
.footer {
    background: #1a202c;
    color: var(--white);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

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

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

.footer-section ul a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul a:hover {
    color: var(--secondary-color);
}

.footer-section p {
    color: #999;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.footer-social .social-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.3s;
}

.footer-social .social-icon:hover {
    background: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #666;
}

/* 保险知识板块 */
.knowledge {
    padding: 100px 20px;
    background: var(--white);
}

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

.knowledge-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.knowledge-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.knowledge-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.knowledge-content ul {
    list-style: none;
}

.knowledge-content ul li {
    padding: 6px 0;
    border-bottom: 1px dashed #ddd;
}

.knowledge-content ul li:last-child {
    border-bottom: none;
}

/* 常见问题板块 */
.faq {
    padding: 100px 20px;
    background: var(--light-bg);
}

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

.faq-item {
    background: var(--white);
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: var(--primary-color);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: #555;
    line-height: 1.8;
}

/* 产品详情页 */
.product-detail {
    padding: 100px 20px 50px;
    background: var(--white);
}

.product-detail-header {
    text-align: center;
    margin-bottom: 50px;
}

.product-company-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.product-detail-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-subtitle {
    font-size: 1.2rem;
    color: #666;
}

/* 产品概览 */
.product-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.overview-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.overview-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.overview-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

.overview-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.overview-desc {
    color: #666;
    font-size: 0.9rem;
}

/* 产品特点详情 */
.product-features-detail {
    margin-bottom: 60px;
}

.product-features-detail h2,
.target-audience h2,
.case-study h2,
.application-process h2,
.product-faq h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-item {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
}

.feature-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.feature-item p {
    color: #555;
    line-height: 1.6;
}

/* 适合人群 */
.target-audience {
    margin-bottom: 60px;
}

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

.audience-item {
    text-align: center;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 10px;
}

.audience-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.audience-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.audience-item p {
    color: #666;
    font-size: 0.9rem;
}

/* 案例演示 */
.case-study {
    margin-bottom: 60px;
}

.case-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--light-bg);
    padding: 40px;
    border-radius: 10px;
}

.case-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.case-info p {
    margin-bottom: 10px;
    color: #555;
}

.case-timeline h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.timeline-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px dashed #ddd;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-age {
    width: 80px;
    font-weight: 600;
    color: var(--primary-color);
}

.timeline-value {
    width: 120px;
    font-weight: 600;
    color: var(--secondary-color);
}

.timeline-desc {
    color: #666;
    font-size: 0.9rem;
}

.case-disclaimer {
    margin-top: 20px;
    color: #999;
    font-size: 0.85rem;
    text-align: center;
}

/* 投保流程 */
.application-process {
    margin-bottom: 60px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.process-step {
    text-align: center;
    padding: 20px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 15px;
}

.process-step h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.process-step p {
    color: #666;
    font-size: 0.9rem;
}

/* 产品FAQ */
.product-faq {
    margin-bottom: 60px;
}

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

/* CTA */
.product-cta {
    text-align: center;
    padding: 60px 40px;
    background: var(--primary-color);
    border-radius: 10px;
    color: var(--white);
}

.product-cta h2 {
    color: var(--white);
    margin-bottom: 15px;
}

.product-cta p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.product-cta .btn-primary {
    background: var(--secondary-color);
}

.product-cta .btn-secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.product-cta .btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* 响应式 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

    .about-image {
        order: -1;
    }

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

    .product-overview {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-demo {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-card-buttons {
        flex-direction: column;
    }
}

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

    .about-image {
        order: -1;
    }

    .image-placeholder {
        height: 300px;
    }
}

/* ==========================================================================
   AI 智能理财获客系统 - 前端高级样式定义
   ========================================================================== */

/* 1. 动态新闻模块样式 */
.ai-news-section {
    animation: fadeIn 0.6s ease-out;
}

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

.ai-news-card h4 {
    background: linear-gradient(90deg, #fff, #b89753);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-read-ai:hover {
    background: #b89753 !important;
    color: #111 !important;
    box-shadow: 0 4px 12px rgba(184, 151, 83, 0.3);
}

/* 2. Chatbot 容器 */
.ai-chatbot-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    font-family: 'Noto Sans SC', sans-serif;
}

/* 3. 悬浮球 (Badge) */
.ai-chat-badge {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: linear-gradient(135deg, #111, #1e293b);
    border: 2px solid #b89753;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(184, 151, 83, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: relative;
    animation: floatBadge 3.5s ease-in-out infinite;
    transition: all 0.3s;
}

.ai-chat-badge:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(184, 151, 83, 0.4);
}

.ai-badge-avatar {
    font-size: 2.2rem;
    line-height: 1;
}

/* 浮空呼吸动效 */
@keyframes floatBadge {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* 呼吸灯特效 */
.ai-badge-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid #b89753;
    top: -2px;
    left: -2px;
    animation: pulseBadge 2s infinite;
    opacity: 0;
    pointer-events: none;
}

@keyframes pulseBadge {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.3); opacity: 0; }
}

/* Tooltip 气泡提示 */
.ai-badge-tooltip {
    position: absolute;
    right: 80px;
    background: rgba(17, 24, 39, 0.95);
    color: #fff;
    border: 1px solid rgba(184, 151, 83, 0.4);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.ai-chat-badge:hover .ai-badge-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* 4. 对话窗口 (Chat Window) */
.ai-chat-window {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 380px;
    height: 580px;
    background: rgba(15, 23, 42, 0.93);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(184, 151, 83, 0.35);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 25px rgba(184, 151, 83, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    
    /* 默认隐藏，带滑入渐现效果 */
    opacity: 0;
    transform: translateY(30px) scale(0.9);
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ai-chat-window.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* 窗口头部 */
.ai-chat-header {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-bottom: 1px solid rgba(184, 151, 83, 0.2);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-header-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ai-header-avatar {
    font-size: 1.8rem;
    background: rgba(184, 151, 83, 0.15);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(184, 151, 83, 0.3);
}

.ai-header-info h4 {
    color: #fff;
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: #888;
}

.ai-status-dot {
    width: 6px;
    height: 6px;
    background-color: #10b981; /* 绿色 */
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
}

.ai-close-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.ai-close-btn:hover {
    color: #fff;
}

/* 消息区 */
.ai-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ai-chat-messages::-webkit-scrollbar {
    width: 4px;
}
.ai-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(184, 151, 83, 0.3);
    border-radius: 2px;
}

.ai-message {
    max-width: 85%;
    display: flex;
}

.ai-message-content {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
    word-break: break-word;
}

.ai-message.ai-bot {
    align-self: flex-start;
}
.ai-message.ai-bot .ai-message-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
}

.ai-message.ai-user {
    align-self: flex-end;
}
.ai-message.ai-user .ai-message-content {
    background: linear-gradient(135deg, #b89753, #9e7f40);
    color: #111;
    font-weight: 500;
}

/* Loading 动画 */
.ai-loading {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 10px 15px;
}
.ai-loading .dot {
    width: 6px;
    height: 6px;
    background: #b89753;
    border-radius: 50%;
    animation: loaderPulse 1.4s infinite ease-in-out both;
}
.ai-loading .dot:nth-child(1) { animation-delay: -0.32s; }
.ai-loading .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes loaderPulse {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1.0); }
}

/* 快捷提问区 */
.ai-chat-quicktags {
    padding: 10px 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    gap: 8px;
    overflow-x: auto;
    white-space: nowrap;
}

.ai-chat-quicktags::-webkit-scrollbar {
    height: 3px;
}
.ai-chat-quicktags::-webkit-scrollbar-thumb {
    background: rgba(184, 151, 83, 0.2);
    border-radius: 1px;
}

.ai-quick-tag {
    background: rgba(184, 151, 83, 0.1);
    color: #b89753;
    border: 1px solid rgba(184, 151, 83, 0.2);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.2s;
}

.ai-quick-tag:hover {
    background: rgba(184, 151, 83, 0.2);
    border-color: #b89753;
}

/* 强意向微信引流卡片 */
.ai-wechat-card {
    margin: 10px 20px;
    padding: 12px 15px;
    background: linear-gradient(135deg, #15233c, #0b132b);
    border: 1px solid #10b981; /* 绿色边框表示安全通道 */
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.1);
}

.ai-wechat-info p {
    margin: 0;
    font-size: 0.82rem;
    color: #fff;
}
.ai-wechat-info .ai-sub {
    font-size: 0.72rem;
    color: #10b981;
    margin-top: 3px;
}

.ai-copy-btn {
    background: #10b981;
    color: #fff;
    border: none;
    padding: 6px 12px;
    border-radius: 5px;
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}
.ai-copy-btn:hover {
    background: #059669;
}

/* 输入区域 */
.ai-chat-input-area {
    padding: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    gap: 10px;
}

.ai-chat-input-area input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px 15px;
    color: #fff;
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s;
}

.ai-chat-input-area input:focus {
    border-color: rgba(184, 151, 83, 0.6);
}

.ai-chat-input-area button {
    background: linear-gradient(135deg, #b89753, #9e7f40);
    color: #111;
    border: none;
    padding: 0 20px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.ai-chat-input-area button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(184, 151, 83, 0.3);
}

/* 适配移动端 */
@media (max-width: 480px) {
    .ai-chat-window {
        width: 100vw;
        height: 100vh;
        bottom: -30px;
        right: -30px;
        border-radius: 0;
    }
}