/* ========== 热带风情生殖健康风格 - 椰奶白/热带青绿/芒果黄 清爽阳光自然感 ========== */
:root {
    --coconut: #FAFAF7;
    --tropical: #2D9980;
    --tropical-light: #40B89A;
    --tropical-dark: #1F705D;
    --mango: #F5B840;
    --mango-light: #FFE8B8;
    --sunset: #F78C6C;
    --gray: #F0EDE5;
    --text: #333333;
    --text-sec: #666666;
    --text-light: #999999;
    --white: #FFFFFF;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Sans SC', -apple-system, sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--coconut);
    font-size: 15px;
}
.container { max-width: 1180px; margin:0 auto; padding:0 24px; }
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; transition: all 0.2s ease; }
ul { list-style:none; }

/* 按钮 */
.trop-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.trop-btn-primary { background: var(--tropical); color: var(--white); }
.trop-btn-primary:hover { background: var(--tropical-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(45,153,128,0.3); }
.trop-btn-ghost { background: transparent; color: var(--tropical); border: 2px solid var(--tropical); }
.trop-btn-ghost:hover { background: var(--tropical); color: var(--white); }

/* 区块标题 */
.trop-section-head { margin-bottom: 48px; text-align: center; }
.trop-section-label {
    display: inline-block;
    font-size: 12px;
    color: var(--mango);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.trop-section-head h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}
.trop-section-head p { font-size: 15px; color: var(--text-sec); }
.trop-section-center { text-align: center; }

/* 导航 */
.trop-header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.trop-header-inner { display:flex; justify-content:space-between; align-items:center; padding:16px 0; }
.trop-logo { font-size:22px; font-weight:700; color: var(--tropical); letter-spacing: -0.5px; }
.trop-nav { display:flex; align-items:center; gap:28px; }
.trop-nav a { font-size:14px; font-weight:500; color: var(--text-sec); }
.trop-nav a:hover { color: var(--tropical); }
.trop-nav-tel { background: var(--mango-light); color: var(--text) !important; padding: 8px 16px; border-radius: 50px; font-size: 13px !important; }
.trop-nav-tel:hover { background: var(--mango) !important; color: var(--white) !important; }

.trop-menu-btn { display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; padding:8px; }
.trop-menu-btn span { width:24px; height:2px; background: var(--text); border-radius: 2px; }

/* 移动端导航 */
.trop-mobile-nav {
    position:fixed; top:0; right:-100%; width:280px; height:100vh;
    background: var(--white); z-index:200; padding:40px 28px; transition:right 0.3s ease;
}
.trop-mobile-nav.active { right:0; }
.trop-mobile-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:32px; font-size:18px; font-weight:700; color: var(--tropical); }
.trop-mobile-close { background:none; border:none; font-size:28px; cursor:pointer; color: var(--text-light); }
.trop-mobile-links { display:flex; flex-direction:column; }
.trop-mobile-links a { padding:14px 0; border-bottom:1px solid var(--gray); font-size:15px; }
.trop-mobile-tel { background: var(--tropical) !important; color: var(--white) !important; text-align:center; margin-top:24px !important; border-radius:50px; padding:14px !important; border:none; }
.trop-mobile-overlay {
    position:fixed; top:0; left:0; width:100%; height:100%;
    background:rgba(0,0,0,0.4); z-index:150; opacity:0; visibility:hidden; transition:all 0.3s ease;
}
.trop-mobile-overlay.active { opacity:1; visibility:visible; }

/* Hero */
.trop-hero {
    padding: 80px 0 100px;
    background: linear-gradient(135deg, var(--coconut) 0%, #E8F5F0 100%);
    position: relative;
    overflow: hidden;
}
.trop-hero-deco { position: absolute; border-radius: 50%; opacity: 0.1; }
.trop-leaf-1 { width: 400px; height: 400px; background: var(--tropical); top: -100px; right: -100px; }
.trop-leaf-2 { width: 300px; height: 300px; background: var(--mango); bottom: -80px; left: -80px; }

.trop-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.trop-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--mango-light);
    color: var(--text);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
}
.trop-hero-text h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text);
}
.trop-hero-sub {
    font-size: 16px;
    color: var(--text-sec);
    line-height: 1.8;
    margin-bottom: 32px;
}
.trop-hero-actions { display:flex; gap:16px; margin-bottom:32px; flex-wrap: wrap; }
.trop-hero-call { font-size:15px; color: var(--text-sec); }
.trop-hero-call a { font-size:22px; font-weight:700; color: var(--tropical); margin-left: 8px; }
.trop-hero-call a:hover { color: var(--tropical-dark); }
.trop-hero-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(45,153,128,0.15);
}

/* 服务分类 */
.trop-services { padding: 100px 0; }
.trop-services-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.trop-service-card {
    background: var(--white);
    padding: 28px 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    border-top: 3px solid transparent;
}
.trop-service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(45,153,128,0.12); border-top-color: var(--tropical); }
.trop-service-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}
.trop-i-1 { background: #E8F5F0; }
.trop-i-2 { background: #E8F0F5; }
.trop-i-3 { background: #FFF8E8; }
.trop-i-4 { background: #FDEEF0; }
.trop-i-5 { background: #EDF0F8; }
.trop-i-6 { background: #F0F0E8; }
.trop-i-7 { background: #F5E8F0; }
.trop-i-8 { background: #FFF0E8; }

.trop-service-card h3 { font-size:16px; font-weight:600; margin-bottom:8px; }
.trop-service-card p { font-size:13px; color:var(--text-sec); line-height:1.7; margin-bottom:12px; }
.trop-service-more { font-size:13px; color: var(--tropical); font-weight:500; }
.trop-service-card:hover .trop-service-more { color: var(--tropical-dark); }

/* 试管婴儿 */
.trop-ivf {
    padding: 100px 0;
    background: linear-gradient(135deg, #E8F5F0 0%, var(--coconut) 100%);
}
.trop-ivf-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
}
.trop-ivf-intro p { font-size:16px; color:var(--text-sec); line-height:2; }
.trop-tech-row { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-bottom:40px; }
.trop-tech-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}
.trop-tech-card:hover { transform: translateY(-4px); box-shadow:0 12px 40px rgba(0,0,0,0.08); }
.trop-tech-featured { background: linear-gradient(145deg, var(--tropical), var(--tropical-light)); color: var(--white); }
.trop-tech-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--mango-light);
    color: var(--text);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.trop-badge-gold { background: var(--mango); color: var(--white); }
.trop-tech-featured .trop-tech-badge { background: rgba(255,255,255,0.2); color: var(--white); }
.trop-tech-card h3 { font-size:18px; font-weight:700; margin-bottom:6px; }
.trop-tech-title { font-size:14px; opacity:0.7; margin-bottom:20px; }
.trop-tech-points { text-align:left; }
.trop-tech-points li {
    padding: 8px 0;
    font-size: 14px;
    line-height: 1.6;
    padding-left: 20px;
    position: relative;
}
.trop-tech-points li::before { content:"✓"; position:absolute; left:0; color: var(--tropical); font-weight:700; }
.trop-tech-featured .trop-tech-points li::before { color: var(--mango); }
.trop-ivf-note {
    max-width: 900px;
    margin:0 auto;
    padding:20px 24px;
    background: #FFFBEB;
    border-left: 4px solid var(--mango);
    border-radius: 0 12px 12px 0;
}
.trop-ivf-note p { font-size:14px; color: var(--text-sec); line-height:1.8; }

/* 知识分类 */
.trop-depts { padding:100px 0; }
.trop-dept-list { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.trop-dept-item {
    display:flex; align-items:center; gap:12px;
    padding:20px;
    background: var(--white);
    border-radius: 12px;
    font-size:15px;
    font-weight:500;
    transition: all 0.2s ease;
    box-shadow:0 2px 12px rgba(0,0,0,0.03);
}
.trop-dept-item:hover { background: var(--tropical); color: var(--white); transform: translateX(4px); }
.trop-dept-emoji { font-size:24px; }

/* 流程 */
.trop-process { padding:100px 0; background: var(--white); }
.trop-process-flow { display:flex; justify-content:center; align-items:flex-start; gap:0; margin-bottom:40px; flex-wrap:wrap; }
.trop-process-step {
    flex:1;
    min-width: 140px;
    max-width: 180px;
    text-align: center;
    padding: 0 12px;
}
.trop-step-num {
    width: 48px; height:48px;
    background: linear-gradient(135deg, var(--tropical), var(--tropical-light));
    color: var(--white);
    border-radius: 50%;
    display:flex; align-items:center; justify-content:center;
    font-size:18px; font-weight:700;
    margin:0 auto 16px;
}
.trop-step-content h3 { font-size:15px; font-weight:600; margin-bottom:8px; }
.trop-step-content p { font-size:13px; color:var(--text-sec); line-height:1.7; }
.trop-process-arrow {
    display:flex; align-items:center; justify-content:center;
    font-size:24px; color:var(--mango); font-weight:700;
    padding-top:10px;
}
.trop-process-note {
    max-width:800px; margin:0 auto;
    padding:16px 20px; background: var(--gray); border-radius:12px;
}
.trop-process-note p { font-size:14px; color:var(--text-sec); }

/* 就诊指南 */
.trop-guide { padding:100px 0; }
.trop-guide-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.trop-guide-card {
    padding:28px 24px;
    background: var(--white);
    border-radius:16px;
    box-shadow:0 4px 16px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}
.trop-guide-card:hover { transform: translateY(-4px); box-shadow:0 12px 32px rgba(45,153,128,0.1); }
.trop-guide-head { display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.trop-guide-head span { font-size:24px; }
.trop-guide-head h3 { font-size:16px; font-weight:600; }
.trop-guide-card p { font-size:13px; color:var(--text-sec); line-height:1.7; }

/* 科普团队 */
.trop-experts { padding:100px 0; background: linear-gradient(135deg, #E8F5F0 0%, var(--coconut) 100%); }
.trop-expert-row { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-bottom:24px; }
.trop-expert-card {
    background: var(--white);
    padding:32px 24px;
    border-radius:20px;
    text-align:center;
    transition: all 0.3s ease;
}
.trop-expert-card:hover { transform: translateY(-4px); box-shadow:0 12px 32px rgba(0,0,0,0.08); }
.trop-expert-avatar {
    width:72px; height:72px; border-radius:50%; margin:0 auto 16px;
}
.trop-avatar-1 { background: linear-gradient(135deg, var(--tropical), var(--tropical-light)); }
.trop-avatar-2 { background: linear-gradient(135deg, var(--mango), var(--sunset)); }
.trop-avatar-3 { background: linear-gradient(135deg, #5B8DEF, #88B0F9); }
.trop-avatar-4 { background: linear-gradient(135deg, #F06292, #F8BBD0); }

.trop-expert-card h4 { font-size:16px; font-weight:600; margin-bottom:4px; }
.trop-expert-role { font-size:13px; color:var(--tropical); font-weight:500; margin-bottom:12px; }
.trop-expert-desc { font-size:13px; color:var(--text-sec); line-height:1.7; }
.trop-expert-note { text-align:center; font-size:13px; color:var(--text-light); font-style:italic; }

/* 资讯列表 - 必须保留 */
.trop-news { padding:100px 0; }
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-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    padding-bottom: 20px;
}
ul.article-cards > li.article-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(45,153,128,0.12); }
.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; }
.article-card .card-title {
    overflow-wrap: anywhere;
    font-size:15px; font-weight:600; padding:16px 16px 8px; line-height:1.6;
}
.article-card .card-date { display:block; font-size:12px; color:var(--text-light); padding:0 16px 8px; }
.article-card .card-summary { overflow-wrap:anywhere; font-size:13px; color:var(--text-sec); padding:0 16px; line-height:1.7; }

/* FAQ */
.trop-faq { padding:100px 0; background: var(--white); }
.trop-faq-list { max-width:800px; margin:0 auto; }
.trop-faq-item {
    background: var(--coconut);
    border-radius: 16px;
    margin-bottom:12px;
    overflow:hidden;
    transition: all 0.2s ease;
}
.trop-faq-item:hover { box-shadow:0 4px 16px rgba(0,0,0,0.04); }
.trop-faq-q {
    width:100%; padding:20px 24px; background:none; border:none;
    text-align:left; display:flex; justify-content:space-between; align-items:center;
    font-size:15px; font-weight:600; cursor:pointer; font-family:inherit;
}
.trop-faq-icon {
    width:28px; height:28px; background:var(--tropical); color:var(--white);
    border-radius:50%; display:flex; align-items:center; justify-content:center;
    font-size:18px; transition:transform 0.3s ease; flex-shrink:0; margin-left:16px;
}
.trop-faq-item.active .trop-faq-icon { transform:rotate(45deg); }
.trop-faq-a { max-height:0; overflow:hidden; transition:max-height 0.3s ease; }
.trop-faq-item.active .trop-faq-a { max-height:200px; }
.trop-faq-a p { padding:0 24px 20px; font-size:14px; color:var(--text-sec); line-height:1.8; }

/* 关于 */
.trop-about { padding:100px 0; background: linear-gradient(135deg, var(--coconut) 0%, #E8F5F0 100%); }
.trop-about-inner { display:grid; grid-template-columns:1.2fr 1fr; gap:60px; align-items:start; }
.trop-about-text .trop-section-label { display:block; margin-bottom:12px; }
.trop-about-text h2 { font-size:28px; font-weight:700; margin-bottom:16px; color: var(--tropical); }
.trop-about-text > p { font-size:15px; color:var(--text-sec); line-height:1.9; margin-bottom:24px; }
.trop-about-list { display:flex; flex-wrap:wrap; gap:12px; }
.trop-about-list span {
    padding:8px 16px; background:var(--white); border-radius:50px;
    font-size:13px; color:var(--text-sec); box-shadow:0 2px 8px rgba(0,0,0,0.04);
}
.trop-disclaimer {
    background: var(--white);
    padding:32px;
    border-radius:20px;
    box-shadow:0 8px 32px rgba(0,0,0,0.06);
}
.trop-disclaimer h3 { font-size:18px; font-weight:700; margin-bottom:20px; color:var(--tropical); }
.trop-contact-info { margin-bottom:24px; padding-bottom:24px; border-bottom:1px solid var(--gray); }
.trop-contact-phone { font-size:16px; font-weight:600; margin-bottom:8px; }
.trop-contact-phone a { color:var(--tropical); font-size:22px; }
.trop-contact-phone a:hover { color:var(--tropical-dark); }
.trop-contact-desc { font-size:13px; color:var(--text-sec); }
.trop-disclaimer-text p { font-size:13px; color:var(--text-sec); line-height:1.8; margin-bottom:8px; }

/* 文章详情 */
.trop-article-page { padding:60px 0 100px; background: linear-gradient(135deg, var(--coconut) 0%, #E8F5F0 100%); min-height:60vh; }
.trop-article-wrap { max-width:800px; margin:0 auto; background:var(--white); border-radius:20px; padding:48px; box-shadow:0 8px 32px rgba(0,0,0,0.06); }
.trop-article-breadcrumb { font-size:13px; color:var(--text-light); margin-bottom:24px; }
.trop-article-breadcrumb a:hover { color: var(--tropical); }
.trop-article-title { font-size:28px; font-weight:700; line-height:1.4; margin-bottom:16px; }
.trop-article-meta { font-size:13px; color:var(--text-light); margin-bottom:20px; padding-bottom:20px; border-bottom:1px solid var(--gray); }
.trop-article-summary { font-size:16px; color:var(--text-sec); line-height:1.9; padding:20px; background:var(--coconut); border-radius:12px; margin-bottom:24px; border-left:4px solid var(--tropical); }
.trop-article-cover { margin-bottom:28px; border-radius:12px; overflow:hidden; }
.trop-article-cover img { width:100%; }
.trop-article-content { font-size:16px; line-height:2; color:var(--text); margin-bottom:40px; }
.trop-article-content h2,.trop-article-content h3,.trop-article-content h4 { margin:32px 0 16px; font-weight:700; color:var(--text); }
.trop-article-content h2 { font-size:22px; }
.trop-article-content h3 { font-size:19px; }
.trop-article-content p { margin-bottom:16px; }
.trop-article-content img { max-width:100%; border-radius:8px; margin:20px 0; }
.trop-article-content ul,.trop-article-content ol { margin:16px 0; padding-left:24px; }
.trop-article-content li { margin-bottom:8px; }

.trop-article-related { padding:24px 0; border-top:1px solid var(--gray); border-bottom:1px solid var(--gray); margin-bottom:24px; }
.trop-article-related h3 { font-size:16px; font-weight:600; margin-bottom:16px; }
.trop-related-tags { display:flex; flex-wrap:wrap; gap:8px; }
.trop-related-tags a { padding:6px 14px; background:var(--coconut); border-radius:50px; font-size:13px; color:var(--text-sec); }
.trop-related-tags a:hover { background:var(--tropical); color:var(--white); }

.trop-article-disclaimer { padding:16px; background:#FFFBEB; border-radius:8px; margin-bottom:24px; }
.trop-article-disclaimer p { font-size:13px; color:var(--text-sec); }
.trop-article-cta { text-align:center; padding:32px; background:linear-gradient(135deg, var(--tropical), var(--tropical-light)); border-radius:16px; color:var(--white); }
.trop-article-cta p { margin-bottom:16px; font-size:15px; }
.trop-article-cta .trop-btn-primary { background:var(--white); color:var(--tropical); }
.trop-article-cta .trop-btn-primary:hover { background:var(--mango); color:var(--white); }

/* 页脚 */
.trop-footer { background:linear-gradient(135deg, var(--tropical-dark), var(--tropical)); color:var(--white); padding:70px 0 0; }
.trop-footer-top { display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr; gap:50px; padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,0.15); }
.trop-footer-logo { font-size:22px; font-weight:700; margin-bottom:16px; }
.trop-footer-brand p { font-size:14px; opacity:0.8; line-height:1.8; margin-bottom:16px; }
.trop-footer-tel { font-size:18px; font-weight:600; color:var(--mango); }
.trop-footer-tel:hover { color:var(--white); }
.trop-footer-col h4 { font-size:15px; font-weight:600; margin-bottom:16px; }
.trop-footer-col a { display:block; font-size:13px; opacity:0.7; margin-bottom:10px; }
.trop-footer-col a:hover { opacity:1; color:var(--mango); }
.trop-footer-bottom { padding:24px 0; display:flex; justify-content:space-between; align-items:center; font-size:12px; opacity:0.6; }
.trop-footer-beian { display:flex; gap:12px; align-items:center; }
.trop-footer-beian a { color:rgba(255,255,255,0.8); }
.trop-footer-beian a:hover { color:var(--mango); }

/* 响应式 */
@media (max-width:1024px) {
    .trop-services-grid, .trop-dept-list, .trop-guide-grid, .trop-expert-row { grid-template-columns:repeat(2,1fr); }
    .trop-tech-row { grid-template-columns:1fr; }
    .trop-about-inner, .trop-hero-inner { grid-template-columns:1fr; gap:40px; }
    .trop-footer-top { grid-template-columns:repeat(2,1fr); gap:40px; }
}
@media (max-width:768px) {
    .trop-nav { display:none; }
    .trop-menu-btn { display:flex; }
    .trop-hero-text h1 { font-size:28px; }
    .trop-hero-actions { flex-direction:column; }
    .trop-btn { width:100%; }
    .trop-services-grid, .trop-dept-list, .trop-guide-grid, .trop-expert-row { grid-template-columns:1fr; }
    .trop-process-flow { flex-direction:column; align-items:center; }
    .trop-process-arrow { transform:rotate(90deg); padding:8px 0; }
    .trop-process-step { max-width:100%; }
    .trop-article-wrap { padding:28px 20px; }
    .trop-article-title { font-size:22px; }
    .trop-footer-top { grid-template-columns:1fr; gap:32px; }
    .trop-footer-bottom { flex-direction:column; gap:8px; text-align:center; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
    html { scroll-behavior:auto; }
}