/* ========================================
   现代辅助生殖医院模板 - 医疗蓝/纯白/浅灰
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #165DFF;
    --primary-dark: #0E42C2;
    --primary-light: #4080FF;
    --primary-ultralight: #E8F0FF;
    --success: #00B42A;
    --warning: #FF7D00;
    --danger: #F53F3F;
    --bg-white: #FFFFFF;
    --bg-gray: #F7F8FA;
    --bg-light-blue: #F0F5FF;
    --text-primary: #1D2129;
    --text-secondary: #4E5969;
    --text-tertiary: #86909C;
    --text-quaternary: #C9CDD4;
    --border: #E5E6EB;
    --border-light: #F2F3F5;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(22, 93, 255, 0.12);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 6px;
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
    transform: translateY(-1px);
}

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

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

/* 顶部信息条 */
.top-bar {
    background-color: var(--primary);
    color: white;
    font-size: 13px;
    line-height: 40px;
}

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

.divider {
    margin: 0 12px;
    opacity: 0.5;
}

.top-phone {
    color: white;
    font-weight: 500;
}

.top-phone:hover {
    opacity: 0.8;
}

/* 头部导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: white;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon svg {
    width: 40px;
    height: 40px;
}

.logo-text-wrap {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-tertiary);
}

.nav-list {
    display: flex;
    gap: 28px;
}

.nav-list a {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 400;
    padding: 26px 0;
    position: relative;
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-toggle, .nav-close {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 4px 0;
    border-radius: 2px;
    transition: var(--transition);
}

.nav-close {
    font-size: 28px;
    color: var(--text-secondary);
    position: absolute;
    top: 20px;
    right: 20px;
}

/* Hero 区域 */
.hero {
    padding: 60px 0 80px;
    background: linear-gradient(135deg, #F0F5FF 0%, #FFFFFF 100%);
    overflow: hidden;
}

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

.hero-tag {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--primary-ultralight);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-icon {
    color: var(--success);
    font-weight: 700;
}

.hero-banner {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-banner img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 快速导航 */
.quick-nav {
    margin-top: -40px;
    position: relative;
    z-index: 10;
    margin-bottom: 80px;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    background-color: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.quick-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px 12px;
    border-radius: var(--radius);
    transition: var(--transition);
    text-align: center;
}

.quick-nav-item:hover {
    background-color: var(--primary-ultralight);
    transform: translateY(-4px);
}

.quick-nav-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary-ultralight);
    border-radius: 50%;
    position: relative;
}

.quick-nav-item span:last-child {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 48px;
}

.section-header.center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    padding: 4px 12px;
    background-color: var(--primary-ultralight);
    color: var(--primary);
    border-radius: 12px;
    font-weight: 500;
    margin-bottom: 12px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

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

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

/* 服务分类 */
.services {
    background-color: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background-color: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-ultralight);
    margin-bottom: 16px;
    font-family: 'Noto Sans SC', sans-serif;
}

.service-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-card ul {
    margin-bottom: 20px;
}

.service-card ul li {
    font-size: 13px;
    color: var(--text-tertiary);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.service-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 4px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 50%;
}

.card-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

.card-link:hover {
    color: var(--primary-dark);
    padding-right: 4px;
}

/* IVF 技术介绍 */
.ivf-intro-section {
    background-color: var(--bg-gray);
}

.ivf-basic {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 60px;
}

.ivf-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.ivf-text p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.medical-notice {
    margin-top: 24px;
    padding: 16px 20px;
    background-color: #FFF7E6;
    border-left: 4px solid var(--warning);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.ivf-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.ivf-stat-card {
    background-color: white;
    padding: 24px;
    border-radius: var(--radius);
    border-bottom: 3px solid var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 12px;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.ivf-types-section {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}

.types-title {
    font-size: 24px;
    margin-bottom: 8px;
    text-align: center;
}

.types-desc {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.types-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.type-tab {
    padding: 12px 24px;
    background: none;
    border: none;
    font-size: 15px;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition);
    font-family: inherit;
}

.type-tab:hover {
    color: var(--primary);
}

.type-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 500;
}

.type-pane {
    display: none;
}

.type-pane.active {
    display: block;
}

.pane-content h4 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary);
}

.pane-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 24px;
}

.pane-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.pane-grid h5 {
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.pane-grid p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 知识分类 */
.departments {
    background-color: white;
}

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

.dept-card {
    padding: 24px;
    border-radius: var(--radius);
    background-color: var(--bg-gray);
    transition: var(--transition);
}

.dept-card:hover {
    background-color: var(--primary-ultralight);
    transform: translateY(-4px);
}

.dept-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.dept-icon {
    width: 40px;
    height: 40px;
    background-color: white;
    border-radius: var(--radius-sm);
}

.dept-card h4 {
    font-size: 16px;
}

.dept-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.dept-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}

/* 就诊流程 */
.process {
    background-color: var(--bg-gray);
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-light);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 40px;
}

.timeline-item.left {
    left: 0;
    text-align: right;
}

.timeline-item.right {
    left: 50%;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background-color: white;
    border: 4px solid var(--primary);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item.left .timeline-dot {
    right: -10px;
}

.timeline-item.right .timeline-dot {
    left: -10px;
}

.timeline-content {
    background-color: white;
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow);
}

.timeline-step {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.process-warning {
    max-width: 800px;
    margin: 40px auto 0;
    padding: 20px;
    background-color: #FFF1F0;
    border: 1px solid #FFCCC7;
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 14px;
    text-align: center;
}

/* 就诊指南 */
.guide-section {
    background-color: white;
}

.guide-tabs-container {
    max-width: 900px;
    margin: 0 auto;
}

.guide-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    overflow: hidden;
}

.guide-tab {
    flex: 1;
    padding: 16px;
    background-color: var(--bg-gray);
    border: none;
    font-size: 15px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    border-right: 1px solid var(--border);
}

.guide-tab:last-child {
    border-right: none;
}

.guide-tab:hover {
    background-color: var(--primary-ultralight);
}

.guide-tab.active {
    background-color: white;
    color: var(--primary);
    font-weight: 500;
}

.guide-panes {
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 32px;
}

.guide-pane {
    display: none;
}

.guide-pane.active {
    display: block;
}

.guide-pane h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.guide-list li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.7;
    border-bottom: 1px solid var(--border-light);
}

.guide-list li:last-child {
    border-bottom: none;
}

.guide-list li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary);
    font-weight: 700;
}

.guide-list li strong {
    color: var(--text-primary);
}

.check-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.check-grid h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--primary);
}

.check-grid ul li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.check-grid ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.cost-intro {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-gray);
    border-radius: var(--radius);
}

.cost-notice {
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-tertiary);
    font-style: italic;
}

/* 专家团队 */
.experts {
    background-color: var(--bg-gray);
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.expert-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.expert-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.expert-avatar {
    height: 180px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    position: relative;
}

.avatar-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(255,255,255,0.2);
    border-radius: 50%;
}

.avatar-placeholder::before {
    content: '👨‍⚕️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
}

.expert-info {
    padding: 24px;
}

.expert-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.expert-profession {
    font-size: 13px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 500;
}

.expert-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 资讯区域 */
.news {
    background-color: white;
}

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

/* 资讯列表强制网格样式 - 不可修改 */
ul.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
}

ul.article-cards > li.article-card {
    min-width: 0;
    width: auto;
    max-width: none;
    margin: 0;
    float: none;
    box-sizing: border-box;
    background-color: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

ul.article-cards > li.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.article-card .card-thumb {
    width: 100%;
    overflow: hidden;
}

.article-card .card-thumb img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 180px;
    object-fit: cover;
    transition: var(--transition);
}

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

.article-card .card-body {
    padding: 20px;
}

.article-card .card-title {
    overflow-wrap: anywhere;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card .card-title a:hover {
    color: var(--primary);
}

.article-card .card-date {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* FAQ 区域 */
.faq {
    background-color: var(--bg-gray);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.faq-item {
    background-color: white;
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.faq-icon {
    font-size: 20px;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
    font-weight: 300;
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 关于我们 */
.about {
    background-color: white;
}

.about-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-principles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.principle-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.principle-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.principle-item h4 {
    font-size: 15px;
    margin-bottom: 4px;
}

.principle-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.about-disclaimer-card {
    background-color: var(--bg-light-blue);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-ultralight);
}

.about-disclaimer-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--primary);
}

.disclaimer-content p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.7;
}

.disclaimer-content strong {
    color: var(--primary-dark);
}

/* 联系方式 */
.contact {
    background-color: var(--primary);
    color: white;
}

.contact .section-tag {
    background-color: rgba(255,255,255,0.2);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact-container {
    max-width: 600px;
}

.contact-info > p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-method {
    display: flex;
    gap: 20px;
    align-items: center;
    background-color: rgba(255,255,255,0.1);
    padding: 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
}

.contact-icon-large {
    font-size: 40px;
    flex-shrink: 0;
}

.contact-method h4 {
    font-size: 16px;
    color: white;
    margin-bottom: 8px;
}

.contact-phone-number {
    font-size: 28px;
    font-weight: 700;
    color: white;
    display: block;
    margin-bottom: 4px;
}

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

.contact-notes h4 {
    font-size: 16px;
    color: white;
    margin-bottom: 16px;
}

.contact-notes ul li {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.contact-notes ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: rgba(255,255,255,0.6);
}

/* 页脚 */
.site-footer {
    background-color: #1D2129;
    color: rgba(255,255,255,0.7);
}

.footer-top {
    padding: 60px 0 40px;
}

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

.footer-logo {
    font-size: 22px;
    font-weight: 700;
    color: white;
    display: block;
    margin-bottom: 16px;
}

.footer-about {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
    color: rgba(255,255,255,0.6);
}

.footer-hotline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--primary);
    color: white;
    border-radius: var(--radius);
    font-weight: 500;
}

.footer-col h4 {
    font-size: 15px;
    color: white;
    margin-bottom: 20px;
}

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

.footer-links li a {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.footer-links li a:hover {
    color: white;
    padding-left: 4px;
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright-info p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
}

.footer-group-links a {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-left: 20px;
}

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

/* 文章详情页 */
.breadcrumb-wrapper {
    padding: 20px 0;
    background-color: var(--bg-gray);
    border-bottom: 1px solid var(--border);
    margin-top: 0;
}

.breadcrumb-wrapper a, .breadcrumb-wrapper span {
    font-size: 13px;
    color: var(--text-tertiary);
}

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

.article-page {
    padding: 40px 0 80px;
    background-color: white;
}

.article-container {
    max-width: 800px;
}

.article-main-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-meta-info {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.article-summary-box {
    padding: 24px;
    background-color: var(--bg-gray);
    border-radius: var(--radius);
    margin-bottom: 32px;
}

.article-summary-box h4 {
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 8px;
}

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

.article-featured-image {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
}

.article-body-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.article-body-content p {
    margin-bottom: 20px;
}

.article-body-content h2, .article-body-content h3 {
    margin: 32px 0 16px;
}

.article-body-content h2 {
    font-size: 24px;
}

.article-body-content h3 {
    font-size: 20px;
}

.article-body-content ul, .article-body-content ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.article-body-content ul li {
    list-style: disc;
    margin-bottom: 8px;
}

.article-body-content ol li {
    list-style: decimal;
    margin-bottom: 8px;
}

.article-body-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 20px 0;
}

.medical-disclaimer-box {
    padding: 24px;
    background-color: #FFF7E6;
    border-radius: var(--radius);
    margin-bottom: 40px;
    border: 1px solid #FFE7BA;
}

.medical-disclaimer-box h4 {
    font-size: 15px;
    color: var(--warning);
    margin-bottom: 12px;
}

.medical-disclaimer-box p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
}

.article-navigation {
    margin-bottom: 40px;
}

.article-navigation h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.topic-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.topic-links a {
    padding: 8px 16px;
    background-color: var(--bg-gray);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.topic-links a:hover {
    background-color: var(--primary);
    color: white;
}

.topic-links a.back-link {
    background-color: transparent;
    color: var(--primary);
}

.consultation-banner {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    color: white;
}

.consult-content h3 {
    font-size: 24px;
    color: white;
    margin-bottom: 12px;
}

.consult-content p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 24px;
}

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

.consult-content .btn-primary:hover {
    background-color: rgba(255,255,255,0.9);
}

/* 响应式 */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .experts-grid, .departments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ivf-basic, .about-container {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-timeline::before {
        left: 20px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 0;
        text-align: left;
    }
    .timeline-item.left, .timeline-item.right {
        left: 0;
        text-align: left;
    }
    .timeline-item.left .timeline-dot, .timeline-item.right .timeline-dot {
        left: 10px;
        right: auto;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    .top-bar {
        display: none;
    }
    .nav-toggle {
        display: block;
    }
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: white;
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
        padding: 70px 24px 24px;
        transition: var(--transition);
        z-index: 1001;
    }
    .main-nav.open {
        right: 0;
    }
    .nav-close {
        display: block;
    }
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    .nav-list a {
        padding: 16px 0;
        display: block;
        border-bottom: 1px solid var(--border-light);
    }
    .header-actions .btn {
        display: none;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-banner img {
        height: 280px;
    }
    .quick-nav-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .section-title {
        font-size: 24px;
    }
    .services-grid, .experts-grid, .departments-grid, .faq-grid, .check-grid, .pane-grid, .ivf-stats-grid, .about-principles {
        grid-template-columns: 1fr;
    }
    .types-tabs {
        flex-direction: column;
    }
    .type-tab {
        border-bottom: 1px solid var(--border);
        border-right: none;
    }
    .guide-tabs {
        flex-direction: column;
    }
    .guide-tab {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .contact-method {
        flex-direction: column;
        text-align: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
    }
    .footer-group-links a {
        margin: 0 10px;
    }
    .article-main-title {
        font-size: 28px;
    }
}

/* 动效 */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
    html {
        scroll-behavior: auto;
    }
}