/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0A7E8C;
    --primary-dark: #08636E;
    --primary-light: #E6F4F5;
    --secondary: #2A93D5;
    --accent: #F0B67F;
    --success: #4CAF50;
    --warning: #FF9800;
    --text-primary: #2D3748;
    --text-secondary: #4A5568;
    --text-light: #718096;
    --bg-white: #FFFFFF;
    --bg-light: #F7FAFC;
    --bg-gray: #EDF2F7;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --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', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.bg-light {
    background-color: var(--bg-light);
}

/* 通用按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(10, 126, 140, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(10, 126, 140, 0.4);
    color: white;
}

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

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

.btn-phone {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px rgba(240, 182, 127, 0.3);
}

.btn-phone:hover {
    background: #E8A566;
    transform: translateY(-2px);
    color: white;
}

/* 区块标题 */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 20px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 顶部信息栏 */
.top-bar {
    background: var(--primary-dark);
    color: white;
    font-size: 14px;
    padding: 8px 0;
}

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

.top-bar__item {
    opacity: 0.9;
}

.top-bar__right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.top-bar__phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: white;
}

.top-bar__phone:hover {
    color: var(--accent);
}

.top-bar__appointment {
    padding: 6px 16px;
    background: var(--accent);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.top-bar__appointment:hover {
    background: #E8A566;
    color: white;
}

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

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    padding-bottom: 16px;
}

.header__brand {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.brand-slogan {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-link.nav-cta {
    background: var(--primary);
    color: white;
    margin-left: 8px;
}

.nav-link.nav-cta:hover {
    background: var(--primary-dark);
    color: white;
}

/* Hero 主视觉 */
.hero {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__banner {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 126, 140, 0.85) 0%, rgba(10, 126, 140, 0.6) 50%, rgba(10, 126, 140, 0.2) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    color: white;
}

.hero__badge {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.3);
}

.hero__title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 20px;
}

.title-highlight {
    color: var(--accent);
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 36px;
    opacity: 0.95;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero__actions .btn-outline {
    border-color: white;
    color: white;
}

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

.hero__features {
    display: flex;
    gap: 48px;
}

.hero-feature {
    display: flex;
    flex-direction: column;
}

.feature-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 4px;
}

.feature-text {
    font-size: 14px;
    opacity: 0.9;
}

/* 优势区域 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.advantage-card {
    background: white;
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--primary);
}

.advantage-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.advantage-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 三代试管婴儿技术 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
    margin-bottom: 40px;
}

.tech-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.tech-card__header {
    padding: 28px;
    color: white;
    position: relative;
}

.tech-card--1 .tech-card__header {
    background: linear-gradient(135deg, #0A7E8C 0%, #2A93D5 100%);
}

.tech-card--2 .tech-card__header {
    background: linear-gradient(135deg, #2A93D5 0%, #5BA3E0 100%);
}

.tech-card--3 .tech-card__header {
    background: linear-gradient(135deg, #D97706 0%, #F0B67F 100%);
}

.tech-generation {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,255,255,0.25);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

.tech-card__header h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
}

.tech-card__body {
    padding: 28px;
}

.tech-card__body h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tech-card__body h4::before {
    content: '';
    width: 4px;
    height: 16px;
    background: var(--primary);
    border-radius: 2px;
}

.tech-principle {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.tech-principle p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.tech-suitable {
    margin-bottom: 20px;
}

.tech-suitable ul {
    list-style: none;
}

.tech-suitable ul li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

.tech-suitable ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.tech-note {
    padding: 16px;
    background: #FFF8EC;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--warning);
}

.tech-note p {
    font-size: 13px;
    color: #92400E;
    line-height: 1.6;
}

.tech-card__footer {
    padding: 0 28px 28px;
}

.tech-comparison {
    max-width: 900px;
    margin: 0 auto;
}

.comparison-note {
    background: var(--primary-light);
    padding: 28px 32px;
    border-radius: var(--radius-lg);
    border-left: 5px solid var(--primary);
}

.comparison-note h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

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

/* 医疗服务区域 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 28px;
}

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.service-card__img {
    height: 220px;
    overflow: hidden;
}

.service-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-card__img img {
    transform: scale(1.05);
}

.service-card__content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

.service-card__content > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-items {
    margin-bottom: 20px;
}

.service-items li {
    position: relative;
    padding-left: 22px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

.service-items li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary);
    font-weight: bold;
    font-size: 18px;
}

.service-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-size: 15px;
}

.service-link:hover {
    gap: 10px;
}

/* 就诊流程 */
.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 39px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-light);
}

.process-step {
    position: relative;
    padding-left: 100px;
    margin-bottom: 40px;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(10, 126, 140, 0.3);
    z-index: 1;
}

.step-content {
    background: white;
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.step-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

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

.step-note {
    padding: 12px 16px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--primary-dark);
}

/* 医疗团队 */
.doctors-intro {
    max-width: 1000px;
    margin: 0 auto;
}

.doctors-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
    margin-bottom: 48px;
}

.doctors-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-bottom: 40px;
}

.doctor-feature-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.doctor-feature-item h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.doctors-cta {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #E3F2FD 100%);
    border-radius: var(--radius-lg);
}

.doctors-cta p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* FAQ 区域 */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

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

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

.faq-question {
    width: 100%;
    padding: 24px 28px;
    background: none;
    border: none;
    text-align: left;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-family: inherit;
}

.faq-icon {
    transition: var(--transition);
    flex-shrink: 0;
    color: var(--primary);
}

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

.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 28px 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 医院环境 */
.environment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.env-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.env-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.env-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    transform: translateY(60%);
    transition: var(--transition);
}

.env-card:hover img {
    transform: scale(1.08);
}

.env-card:hover .env-overlay {
    transform: translateY(0);
}

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

.env-overlay p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

/* 资讯区域 - 严格遵循系统输出规范 */
.news-more {
    text-align: center;
    margin-top: 40px;
}

/* 资讯列表核心CSS - 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: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.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;
}

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

.article-card .card-title {
    overflow-wrap: anywhere;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.article-card .card-title a {
    color: inherit;
}

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

.article-card .card-date {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 关于我们 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 48px;
    align-items: start;
}

.about-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 12px 0 24px;
}

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

.about-services {
    margin: 20px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 20px;
}

.about-services li {
    position: relative;
    padding-left: 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-services li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.about-actions {
    display: flex;
    gap: 16px;
    margin-top: 28px;
}

/* 联系卡片 */
.contact-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 100px;
}

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

.contact-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-phone {
    padding: 20px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    text-align: center;
}

.contact-phone span {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.contact-phone a {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 126, 140, 0.1);
}

.form-note {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 12px;
    text-align: center;
}

/* 页脚 */
.site-footer {
    background: #1A365D;
    color: white;
    padding-top: 64px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    margin-bottom: 20px;
}

.footer-brand__name {
    font-size: 22px;
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}

.footer-brand__slogan {
    font-size: 13px;
    opacity: 0.7;
}

.footer-desc {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 18px;
    font-weight: 600;
}

.footer-phone:hover {
    color: white;
}

.footer-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

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

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright p {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 8px;
}

.footer-beian {
    font-size: 13px;
}

.footer-beian a {
    color: rgba(255,255,255,0.6);
}

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

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

.footer-grouplink {
    font-size: 13px;
}

.footer-grouplink a {
    color: rgba(255,255,255,0.6);
    margin-left: 16px;
}

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

.footer-disclaimer {
    padding: 16px 0 24px;
    font-size: 12px;
    opacity: 0.5;
    text-align: center;
    line-height: 1.6;
}

/* 悬浮咨询按钮 */
.float-consult {
    position: fixed;
    right: 24px;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.float-btn:hover {
    transform: scale(1.1);
    color: white;
}

.float-btn--phone {
    background: var(--success);
}

.float-btn--consult {
    background: var(--primary);
}

/* 文章详情页 */
.article-container {
    max-width: 800px;
    margin: 0 auto;
}

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

.article-breadcrumb a {
    color: var(--text-light);
}

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

.article-header {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.article-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-summary {
    padding: 20px 24px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-summary p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.article-cover {
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

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

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

.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 20px;
    color: var(--text-primary);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 16px;
    color: var(--text-primary);
}

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

.article-content ul li,
.article-content ol li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.article-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 24px 0;
}

.medical-disclaimer {
    padding: 28px;
    background: #FFF8EC;
    border-radius: var(--radius-lg);
    border: 1px solid #FEE2B3;
    margin-bottom: 48px;
}

.disclaimer-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: #D97706;
}

.disclaimer-header h4 {
    font-size: 17px;
    font-weight: 600;
}

.disclaimer-content p {
    font-size: 14px;
    color: #92400E;
    line-height: 1.8;
    margin-bottom: 8px;
}

.related-topics {
    margin-bottom: 48px;
}

.related-topics h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.topic-card {
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.topic-card:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.topic-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.article-cta {
    padding: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    color: white;
}

.article-cta h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.article-cta p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 28px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.article-cta .btn-outline {
    border-color: white;
    color: white;
}

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

/* 响应式适配 */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .contact-card {
        position: static;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 48px 0;
    }
    .section-title {
        font-size: 26px;
    }
    .top-bar__left {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 16px;
        box-shadow: var(--shadow-md);
        display: none;
    }
    .nav-list.active {
        display: flex;
    }
    .nav-list li {
        width: 100%;
    }
    .nav-link {
        display: block;
        padding: 14px 16px;
        width: 100%;
    }
    .nav-link.nav-cta {
        margin: 8px;
    }
    .hero {
        min-height: auto;
        padding: 80px 0;
    }
    .hero__title {
        font-size: 32px;
    }
    .hero__subtitle {
        font-size: 16px;
    }
    .hero__features {
        flex-direction: column;
        gap: 20px;
    }
    .tech-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    .process-step {
        padding-left: 80px;
    }
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 18px;
    }
    .process-timeline::before {
        left: 29px;
    }
    .about-services {
        grid-template-columns: 1fr;
    }
    .about-actions {
        flex-direction: column;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .article-title {
        font-size: 26px;
    }
    .article-cta {
        padding: 28px 20px;
    }
    .float-consult {
        right: 16px;
        bottom: 16px;
    }
    .float-btn {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .hero__actions {
        flex-direction: column;
    }
    .hero__actions .btn {
        width: 100%;
    }
    .tech-card__header,
    .tech-card__body,
    .tech-card__footer {
        padding-left: 20px;
        padding-right: 20px;
    }
    .step-content {
        padding: 20px;
    }
}

/* 减少动效适配 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}