/* ============================================
   国际化生殖医学信息门户 - 藏蓝/白色/浅金配色
   ============================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --navy: #0A2463;
    --navy-dark: #061742;
    --navy-light: #1E3A8A;
    --gold: #D8B365;
    --gold-light: #E8CD8F;
    --gold-dark: #C19A44;
    --white: #FFFFFF;
    --off-white: #F8F9FC;
    --gray-50: #F1F3F9;
    --gray-100: #E5E7EB;
    --gray-200: #D1D5DB;
    --gray-500: #6B7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --shadow-sm: 0 1px 3px rgba(10,36,99,0.08);
    --shadow-md: 0 4px 12px rgba(10,36,99,0.1);
    --shadow-lg: 0 10px 30px rgba(10,36,99,0.12);
    --radius: 4px;
    --container: 1200px;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ========== 顶部信息条 ========== */
.top-header {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.8);
    font-size: 13px;
    padding: 8px 0;
}
.top-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-links a:hover { color: var(--gold); }
.top-links span { margin: 0 12px; opacity: 0.3; }
.top-phone-label { margin-right: 4px; }
.top-phone-number { color: var(--gold); font-weight: 500; }

/* ========== 主导航 ========== */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-mark { display: flex; }
.logo-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--navy);
    display: block;
    line-height: 1.2;
}
.logo-subtitle {
    font-size: 9px;
    color: var(--gold-dark);
    letter-spacing: 1.5px;
    display: block;
    font-weight: 500;
}
.nav-container { display: flex; }
.nav-list {
    display: flex;
    gap: 32px;
    align-items: center;
}
.nav-list a {
    font-size: 15px;
    color: var(--gray-700);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}
.nav-list a:hover { color: var(--navy); }
.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s;
}
.nav-list a:hover::after { width: 100%; }
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--navy);
    transition: 0.3s;
}
.mobile-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px;
    color: var(--white);
}

/* ========== 通用区块标题 ========== */
.section-header {
    margin-bottom: 56px;
}
.section-header.center { text-align: center; }
.section-eyebrow {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--gold-dark);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-eyebrow.light { color: var(--gold-light); }
.section-title {
    font-family: var(--font-serif);
    font-size: 36px;
    color: var(--navy);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}
.section-line {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin-bottom: 20px;
}
.gold-line.left { margin-left: 0; }
.gold-line.center { margin: 0 auto 20px; }
.section-description {
    font-size: 16px;
    color: var(--gray-500);
    max-width: 640px;
    line-height: 1.8;
}
.section-intro {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 32px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.3s;
    cursor: pointer;
}
.btn-gold {
    background: var(--gold);
    color: var(--navy);
}
.btn-gold:hover {
    background: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(216,179,101,0.4);
}
.btn-outline-white {
    border: 2px solid rgba(255,255,255,0.8);
    color: var(--white);
}
.btn-outline-white:hover {
    background: var(--white);
    color: var(--navy);
    transform: translateY(-2px);
}

/* ========== Hero 区 ========== */
.hero-section {
    position: relative;
    min-height: 640px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-banner-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,36,99,0.9) 0%, rgba(10,36,99,0.7) 50%, rgba(10,36,99,0.4) 100%);
}
.hero-container { position: relative; z-index: 1; padding-top: 80px; padding-bottom: 80px; }
.hero-content-inner { max-width: 680px; color: var(--white); }
.hero-eyebrow {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 20px;
}
.hero-main-title {
    font-family: var(--font-serif);
    font-size: 52px;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 24px;
}
.title-line.gold { color: var(--gold); }
.hero-description {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
}
.hero-action-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.stat-number {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 4px;
}
.stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

/* ========== 快捷导航 ========== */
.featured-nav {
    background: var(--off-white);
    padding: 0;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}
.featured-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    overflow: hidden;
}
.featured-item {
    padding: 28px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-right: 1px solid var(--gray-100);
    transition: all 0.3s;
}
.featured-item:last-child { border-right: none; }
.featured-item:hover {
    background: var(--navy);
    color: var(--white);
}
.featured-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(216,179,101,0.1);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
}
.featured-item:hover .featured-icon {
    background: var(--gold);
    color: var(--navy);
}
.featured-icon svg { width: 24px; height: 24px; }
.featured-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.featured-item p {
    font-size: 13px;
    color: var(--gray-500);
    transition: color 0.3s;
}
.featured-item:hover p { color: rgba(255,255,255,0.7); }

/* ========== 服务分类 ========== */
.services-section {
    padding: 100px 0;
    background: var(--white);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    padding: 36px 28px;
    background: var(--off-white);
    border-left: 4px solid var(--gold);
    border-radius: var(--radius);
    transition: all 0.3s;
}
.service-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.service-number {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 16px;
    opacity: 0.6;
}
.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 12px;
}
.service-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.8;
}

/* ========== IVF 技术介绍 ========== */
.ivf-section {
    padding: 100px 0;
    background: var(--off-white);
}
.ivf-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}
.tech-points { margin-top: 32px; }
.tech-point {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}
.point-marker {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
    margin-top: 8px;
    flex-shrink: 0;
}
.tech-point h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
}
.tech-point p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}
.visual-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}
.visual-card h3 {
    font-size: 22px;
    color: var(--navy);
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
    font-weight: 600;
}
.tech-list { display: flex; flex-direction: column; gap: 24px; }
.tech-item {
    display: flex;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-100);
}
.tech-item:last-child { border-bottom: none; padding-bottom: 0; }
.tech-code {
    width: 56px;
    height: 56px;
    background: var(--navy);
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    flex-shrink: 0;
    letter-spacing: 0.5px;
}
.tech-item h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
}
.tech-item p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
}
.tech-disclaimer {
    margin-top: 24px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ========== 流程 ========== */
.process-section {
    padding: 100px 0;
    background: var(--white);
}
.process-container { max-width: 800px; margin: 0 auto; }
.process-step-item {
    display: flex;
    gap: 32px;
}
.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.step-num {
    width: 48px;
    height: 48px;
    background: var(--navy);
    color: var(--gold);
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.step-line {
    width: 2px;
    flex-grow: 1;
    background: linear-gradient(to bottom, var(--gold), var(--gray-200));
    margin: 12px 0;
}
.step-content-box {
    flex: 1;
    padding-bottom: 48px;
}
.process-step-item:last-child .step-content-box { padding-bottom: 0; }
.process-step-item:last-child .step-line { display: none; }
.step-content-box h3 {
    font-size: 22px;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 12px;
}
.step-content-box > p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 16px;
}
.step-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.step-details span {
    font-size: 13px;
    padding: 4px 12px;
    background: var(--off-white);
    color: var(--navy);
    border-radius: 20px;
    border: 1px solid var(--gray-100);
}

/* ========== 知识中心 ========== */
.departments {
    padding: 100px 0;
    background: var(--off-white);
}
.departments-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.dept-block {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius);
    position: relative;
    transition: all 0.3s;
    border-top: 3px solid transparent;
}
.dept-block:hover {
    box-shadow: var(--shadow-md);
    border-top-color: var(--gold);
    transform: translateY(-4px);
}
.dept-number {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-100);
    position: absolute;
    top: 20px;
    right: 24px;
    transition: all 0.3s;
}
.dept-block:hover .dept-number { color: var(--gold-light); }
.dept-block h3 {
    font-size: 19px;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 12px;
    position: relative;
}
.dept-block p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 20px;
}
.dept-arrow {
    color: var(--gold);
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.3s;
    display: inline-block;
}
.dept-block:hover .dept-arrow { transform: translateX(4px); }

/* ========== 医师团队 ========== */
.physicians {
    padding: 100px 0;
    background: var(--white);
}
.physicians-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.physician-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--off-white);
    border-radius: var(--radius);
    transition: all 0.3s;
}
.physician-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.physician-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: var(--navy);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--gold);
}
.avatar-inner {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--gold);
    font-weight: 700;
}
.physician-card h3 {
    font-size: 18px;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 4px;
}
.physician-title {
    font-size: 12px;
    color: var(--gold-dark);
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-transform: uppercase;
}
.physician-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ========== 就诊指南 ========== */
.research {
    padding: 100px 0;
    background: var(--navy);
    color: var(--white);
}
.research .section-title { color: var(--white); }
.research .section-description { color: rgba(255,255,255,0.7); }
.research .section-line { background: var(--gold); }
.guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.guide-block {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 36px 32px;
    border-radius: var(--radius);
    transition: all 0.3s;
}
.guide-block:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--gold);
}
.guide-block h3 {
    font-size: 20px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.guide-list li {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    padding: 8px 0 8px 24px;
    position: relative;
}
.guide-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
}

/* ========== 资讯 ========== */
.news-section {
    padding: 100px 0;
    background: var(--white);
}
ul.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    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: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
}
ul.article-cards > li.article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--gold);
}
.article-card .card-thumb {
    width: 100%;
    overflow: hidden;
    aspect-ratio: 16/10;
}
.article-card .card-thumb img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.article-card:hover .card-thumb img { transform: scale(1.05); }
.article-card .card-body { padding: 20px; }
.article-card .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--navy);
    line-height: 1.5;
    margin-bottom: 10px;
    overflow-wrap: anywhere;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card:hover .card-title { color: var(--navy-light); }
.article-card .card-date {
    display: block;
    font-size: 12px;
    color: var(--gold-dark);
    margin-bottom: 8px;
}
.article-card .card-summary {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
    overflow-wrap: anywhere;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== FAQ ========== */
.faq-section {
    padding: 100px 0;
    background: var(--off-white);
}
.faq-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: all 0.3s;
}
.faq-item.active { border-color: var(--gold); }
.faq-question {
    width: 100%;
    padding: 20px 24px;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--navy);
}
.faq-toggle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gray-50);
    color: var(--navy);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
}
.faq-item.active .faq-toggle {
    background: var(--gold);
    color: var(--white);
    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 24px 20px;
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.8;
}

/* ========== 关于我们 ========== */
.about-section {
    padding: 100px 0;
    background: var(--white);
}
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
}
.about-content p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 20px;
}
.disclaimer-box {
    margin-top: 32px;
    padding: 24px;
    background: var(--off-white);
    border-left: 4px solid var(--gold);
    border-radius: var(--radius);
}
.disclaimer-box h4 {
    font-size: 15px;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 8px;
}
.disclaimer-box p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 0;
}
.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.value-item {
    padding: 28px 24px;
    background: var(--off-white);
    border-radius: var(--radius);
    transition: all 0.3s;
}
.value-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}
.value-icon {
    font-size: 32px;
    margin-bottom: 16px;
}
.value-item h4 {
    font-size: 16px;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 8px;
}
.value-item p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ========== 联系 ========== */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: var(--white);
}
.contact-title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}
.contact-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
}
.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(216,179,101,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.contact-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--gold);
}
.contact-phone {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    display: block;
    margin-bottom: 4px;
}
.contact-phone:hover { color: var(--gold); }
.contact-item p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.7);
    padding-top: 72px;
}
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.footer-logo-text {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--white);
    font-weight: 700;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 12px;
}
.footer-note {
    font-size: 12px;
    color: var(--gold);
    line-height: 1.6;
}
.footer-col-title {
    font-size: 15px;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 20px;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: all 0.3s;
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-phone-item span { font-size: 14px; }
.footer-phone {
    font-size: 20px;
    color: var(--gold);
    font-weight: 600;
    display: inline-block;
    margin: 8px 0;
}
.footer-hint {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    margin-top: 8px;
    line-height: 1.6;
}
.footer-sitemap {
    margin-top: 20px;
}
.footer-sitemap a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}
.footer-sitemap a:hover { color: var(--gold); }
.footer-friend-links {
    padding: 24px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.friend-links-title {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    margin-bottom: 12px;
}
.grouplink-container a {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    margin-right: 20px;
    transition: color 0.3s;
}
.grouplink-container a:hover { color: var(--gold); }
.footer-bottom {
    padding: 24px 0;
}
.footer-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-copyright p {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}
.footer-beian {
    display: flex;
    gap: 12px;
    align-items: center;
}
.footer-beian a {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}
.footer-beian a:hover { color: var(--gold); }
.footer-beian span {
    color: rgba(255,255,255,0.2);
}

/* ========== 文章详情页 ========== */
.article-hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: var(--white);
    padding: 60px 0 48px;
}
.breadcrumb {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
}
.breadcrumb a { color: var(--gold); }
.breadcrumb a:hover { text-decoration: underline; }
.article-title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--white);
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    gap: 24px;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}
.article-cat {
    padding: 2px 12px;
    background: var(--gold);
    color: var(--navy);
    border-radius: 12px;
    font-weight: 500;
}
.article-container { max-width: 800px; }
.article-content-wrapper {
    background: var(--white);
    margin-top: -48px;
    position: relative;
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 48px 56px;
    box-shadow: var(--shadow-lg);
}
.article-cover-wrap { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.article-cover { width: 100%; }
.article-summary-box {
    background: var(--off-white);
    border-left: 4px solid var(--gold);
    padding: 20px 24px;
    margin-bottom: 40px;
    border-radius: var(--radius);
}
.article-summary-box p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.8;
    font-style: italic;
}
.article-main-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--gray-700);
}
.article-main-content h2, .article-main-content h3, .article-main-content h4 {
    color: var(--navy);
    margin: 32px 0 16px;
    font-weight: 600;
}
.article-main-content h2 { font-size: 24px; }
.article-main-content h3 { font-size: 20px; }
.article-main-content p { margin-bottom: 20px; }
.article-main-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 24px 0;
}
.article-main-content ul, .article-main-content ol {
    margin: 16px 0 24px 24px;
}
.article-main-content li { margin-bottom: 8px; }
.article-main-content blockquote {
    border-left: 4px solid var(--gold);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--off-white);
    color: var(--gray-500);
    font-style: italic;
}
.article-disclaimer {
    margin-top: 48px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border-left: 4px solid var(--gold);
}
.article-disclaimer h4 {
    font-size: 14px;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 8px;
}
.article-disclaimer p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 0;
}
.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-100);
    flex-wrap: wrap;
    gap: 16px;
}
.back-to-news {
    font-size: 14px;
    color: var(--gray-500);
}
.back-to-news:hover { color: var(--navy); }
.article-consult {
    font-size: 14px;
    color: var(--gold-dark);
    font-weight: 500;
}
.article-consult:hover { color: var(--navy); }
.article-cta-section {
    padding: 80px 0;
    background: var(--off-white);
}
.article-cta-box {
    text-align: center;
    padding: 48px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}
.article-cta-box h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    color: var(--navy);
    margin-bottom: 12px;
}
.article-cta-box p {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* ========== 动画 ========== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .fade-up { opacity: 1; transform: none; }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero-main-title { font-size: 42px; }
    .services-grid, .physicians-grid { grid-template-columns: repeat(2, 1fr); }
    .departments-grid { grid-template-columns: repeat(2, 1fr); }
    .ivf-grid, .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-item:nth-child(2) { border-right: none; }
}
@media (max-width: 768px) {
    .top-header { display: none; }
    .mobile-menu-btn { display: flex; }
    .mobile-close { display: block; }
    .nav-container {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--navy);
        z-index: 200;
        padding: 60px 32px;
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    .nav-container.open { transform: translateX(0); }
    .nav-list {
        flex-direction: column;
        gap: 0;
        align-items: flex-start;
    }
    .nav-list a {
        color: var(--white);
        font-size: 18px;
        padding: 16px 0;
        display: block;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .nav-list a::after { display: none; }
    .hero-section { min-height: auto; padding: 60px 0; }
    .hero-main-title { font-size: 32px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .stat-divider { display: none; }
    .featured-grid { grid-template-columns: 1fr; margin-top: 0; }
    .featured-item { border-right: none; border-bottom: 1px solid var(--gray-100); }
    .featured-item:last-child { border-bottom: none; }
    .section-title { font-size: 28px; }
    .services-grid, .departments-grid, .physicians-grid, .guide-grid, .faq-container { grid-template-columns: 1fr; }
    .about-values { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; gap: 32px; }
    .footer-copyright { flex-direction: column; text-align: center; }
    .article-content-wrapper { padding: 32px 24px; margin-top: -24px; }
    .article-title { font-size: 26px; }
}