/* ========================================
   高端生殖医学中心模板 - 暖白/深祖母绿/香槟金
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0F5132;
    --primary-light: #1A7D4D;
    --primary-dark: #0A3A24;
    --accent: #C8A972;
    --accent-light: #E0CCA0;
    --bg-warm: #FCFAF6;
    --bg-white: #FFFFFF;
    --bg-light: #F5F2EB;
    --text-dark: #2D3436;
    --text-medium: #555B5E;
    --text-light: #7A8288;
    --border: #E8E2D5;
    --shadow: 0 8px 30px rgba(15, 81, 50, 0.08);
    --shadow-hover: 0 12px 40px rgba(15, 81, 50, 0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-warm);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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-family: 'Noto Serif SC', serif;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-dark);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 81, 50, 0.2);
}

.btn-secondary {
    background-color: var(--accent);
    color: var(--primary-dark);
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* 头部导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(252, 250, 246, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.logo-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    position: relative;
}

.logo-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background-color: var(--accent);
    border-radius: 50%;
}

.logo-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-list a {
    font-size: 15px;
    color: var(--text-medium);
    font-weight: 400;
    position: relative;
    padding: 8px 0;
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 500;
}

.phone-icon {
    width: 20px;
    height: 20px;
    background-color: var(--accent);
    border-radius: 50%;
    position: relative;
}

.phone-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 2px;
}

.nav-toggle, .nav-close {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--primary);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--primary);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero 区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-banner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 58, 36, 0.85), rgba(15, 81, 50, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background-color: rgba(200, 169, 114, 0.2);
    border: 1px solid var(--accent);
    border-radius: 50px;
    color: var(--accent-light);
    font-size: 14px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    color: white;
    margin-bottom: 24px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-ctas .btn-outline {
    border-color: white;
    color: white;
}

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

/* 通用区块样式 */
section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

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

.section-label {
    display: inline-block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--primary-dark);
}

.section-desc {
    font-size: 16px;
    color: var(--text-medium);
    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(4, 1fr);
    gap: 24px;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: var(--radius);
    margin-bottom: 20px;
    position: relative;
}

.service-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.service-card p {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.service-link:hover {
    color: var(--accent);
    padding-left: 4px;
}

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

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

.ivf-intro-content h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--primary-dark);
}

.ivf-intro-content p {
    margin-bottom: 16px;
    color: var(--text-medium);
    line-height: 1.8;
}

.ivf-notice {
    margin-top: 24px;
    padding: 20px;
    background-color: rgba(200, 169, 114, 0.1);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 14px;
    color: var(--text-medium);
}

.ivf-visual {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.ivf-visual::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
}

.ivf-visual::after {
    content: 'IVF-ET';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Noto Serif SC', serif;
    font-size: 48px;
    font-weight: 700;
    color: white;
    opacity: 0.9;
}

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

.type-card {
    background-color: var(--bg-white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    border-top: 4px solid var(--accent);
    box-shadow: var(--shadow);
}

.type-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-light);
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 16px;
    line-height: 1;
}

.type-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

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

.type-list li {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 16px;
    line-height: 1.7;
    padding-left: 20px;
    position: relative;
}

.type-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
}

.type-list li strong {
    color: var(--text-dark);
}

/* 知识分类 */
.departments {
    background-color: var(--bg-white);
}

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

.dept-card {
    padding: 28px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.dept-card h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

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

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

.process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    font-family: 'Noto Serif SC', serif;
    margin: 0 auto 20px;
    border: 4px solid var(--bg-warm);
    box-shadow: 0 0 0 2px var(--accent);
}

.step-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.step-content p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
    padding: 0 12px;
}

.process-line {
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-light), var(--accent), var(--accent-light));
    z-index: 0;
}

.process-notice {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    color: var(--text-medium);
    font-size: 14px;
}

/* 就诊指南 */
.guide {
    background-color: var(--bg-white);
}

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

.guide-card {
    background-color: var(--bg-warm);
    padding: 36px;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

.guide-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.guide-card ul li {
    font-size: 15px;
    color: var(--text-medium);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.guide-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

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

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

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

.expert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.expert-avatar {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    position: relative;
}

.expert-avatar::after {
    content: '';
    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%;
}

.expert-avatar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -30%);
    width: 40px;
    height: 40px;
    background-color: var(--accent);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    z-index: 1;
}

.expert-info {
    padding: 28px;
}

.expert-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.expert-title {
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 16px;
    font-weight: 500;
}

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

.experts-notice {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-white);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 14px;
}

/* 资讯区域 */
.news {
    background-color: var(--bg-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: var(--bg-warm);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.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;
    color: var(--primary-dark);
    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: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 14px;
    color: var(--text-medium);
    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-warm);
}

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

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

.faq-item:hover {
    border-color: var(--accent);
}

.faq-question {
    width: 100%;
    padding: 24px 32px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.faq-icon {
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.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: 500px;
}

.faq-answer p {
    padding: 0 32px 24px;
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* 关于我们 */
.about {
    background-color: var(--bg-white);
}

.about-content {
    max-width: 800px;
}

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

.about-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 30px 0;
}

.about-item {
    font-size: 15px;
    color: var(--text-medium);
    padding: 8px 0;
}

.about-disclaimer {
    margin-top: 30px;
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

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

.contact-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 60px;
    box-shadow: var(--shadow);
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 32px;
    line-height: 1.8;
}

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

.contact-method {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    flex-shrink: 0;
    position: relative;
}

.contact-icon.phone::after {
    content: '📞';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
}

.contact-icon.feedback::after {
    content: '✉️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
}

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

.contact-phone {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 4px;
}

.contact-method p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-notice {
    font-size: 13px;
    color: var(--text-light);
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* 页脚 */
.site-footer {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    font-weight: 700;
    color: white;
    display: block;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-phone {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--accent);
    color: var(--primary-dark);
    border-radius: var(--radius);
    font-weight: 500;
}

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

.footer-col h4 {
    font-size: 16px;
    color: white;
    margin-bottom: 20px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

.footer-group a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 20px;
}

.footer-group a:hover {
    color: var(--accent);
}

/* 文章详情页 */
.breadcrumb-container {
    padding: 100px 0 20px;
    background-color: var(--bg-warm);
    border-bottom: 1px solid var(--border);
}

.breadcrumb-container a, .breadcrumb-container span {
    font-size: 14px;
    color: var(--text-medium);
}

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

.article-detail {
    padding: 60px 0 100px;
    background-color: var(--bg-white);
}

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

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

.article-title {
    font-size: 36px;
    color: var(--primary-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.article-summary {
    padding: 24px;
    background-color: var(--bg-light);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
}

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

.article-cover img {
    width: 100%;
    height: auto;
}

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

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

.article-content h2, .article-content h3 {
    margin: 40px 0 20px;
    color: var(--primary-dark);
}

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

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

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

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

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

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

.article-disclaimer {
    padding: 28px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    margin-bottom: 40px;
}

.article-disclaimer h4 {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.article-disclaimer p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 8px;
}

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

.article-nav h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.related-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.related-topics a {
    padding: 8px 16px;
    background-color: var(--bg-warm);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-medium);
}

.related-topics a:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

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

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

.article-cta p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
}

.article-cta .btn-primary {
    background-color: var(--accent);
    color: var(--primary-dark);
}

.article-cta .btn-primary:hover {
    background-color: white;
}

/* 响应式 */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ivf-types, .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .departments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-flow {
        flex-direction: column;
        gap: 20px;
    }
    .process-line {
        display: none;
    }
    .process-step {
        text-align: left;
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }
    .step-number {
        margin: 0;
        flex-shrink: 0;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    .container {
        padding: 0 16px;
    }
    .nav-toggle {
        display: block;
    }
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--bg-white);
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
        padding: 60px 24px 24px;
        transition: var(--transition);
        z-index: 1001;
    }
    .main-nav.open {
        right: 0;
    }
    .nav-close {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
    }
    .nav-list {
        flex-direction: column;
        gap: 20px;
    }
    .header-phone .phone-number {
        display: none;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-ctas {
        flex-direction: column;
    }
    .section-title {
        font-size: 28px;
    }
    .services-grid, .ivf-types, .experts-grid, .guide-grid, .contact-methods, .departments-grid {
        grid-template-columns: 1fr;
    }
    .ivf-intro {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .contact-card {
        padding: 32px 24px;
    }
    .article-title {
        font-size: 28px;
    }
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-group a {
        margin: 0 10px;
    }
}

/* 动效与无障碍 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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