/* ==========================================================
   Gen5 Fertility — 中国市场官网 共享样式表
   ========================================================== */

:root{
  --navy: #0e2338;
  --navy-2: #16324d;
  --navy-3: #1e4364;
  --gold: #d98a3d;
  --gold-light: #f0b878;
  --gold-dark: #b5691f;
  --cream: #faf7f1;
  --cream-2: #f2ece1;
  --ink: #22282f;
  --muted: #667085;
  --line: #e6e1d6;
  --white: #ffffff;
  --success: #4c7a5e;
  --shadow: 0 20px 50px -25px rgba(14,35,56,.35);
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1180px;
  font-size: 16px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: "Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  word-break: normal;
}
h1,h2,h3,h4{
  font-family: "Noto Serif SC","Songti SC",serif;
  color: var(--navy);
  line-height: 1.35;
  margin: 0 0 .6em;
  font-weight: 700;
}
h1{ font-size: clamp(2rem, 4vw, 2.8rem); }
h2{ font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; color: var(--ink); }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; height: auto; display: block; }
ul{ padding: 0; margin: 0; list-style: none; }
.container{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section{ padding: 88px 0; }
.section.tight{ padding: 56px 0; }
.section.alt{ background: var(--cream); }
.section.navy{ background: linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%); color: var(--white); }
.section.navy h2, .section.navy h3, .section.navy p{ color: var(--white); }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.8rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--gold-dark); font-weight:700; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:22px; height:2px; background: var(--gold); display:inline-block; }
.section-head{ max-width: 720px; margin: 0 auto 48px; text-align:center; }
.section-head p{ color: var(--muted); font-size:1.05rem; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 28px; border-radius: 999px; font-weight:700; font-size:.98rem;
  border:2px solid transparent; cursor:pointer; transition: all .2s ease; white-space:nowrap;
}
.btn-primary{ background: var(--gold); color: var(--navy); }
.btn-primary:hover{ background: var(--gold-dark); transform: translateY(-1px); }
.btn-outline{ background: transparent; border-color: rgba(255,255,255,.55); color:inherit; }
.btn-outline:hover{ border-color: var(--gold); color: var(--gold); }
.btn-ghost-navy{ background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-ghost-navy:hover{ background: var(--navy); color:var(--white); }
.btn-block{ width:100%; }
.btn-sm{ padding:9px 18px; font-size:.85rem; }

/* ---------- Top utility bar ---------- */
.topbar{
  background: var(--navy); color: rgba(255,255,255,.85); font-size:.82rem;
}
.topbar .container{ display:flex; justify-content:space-between; align-items:center; padding-top:8px; padding-bottom:8px; }
.topbar-links{ display:flex; gap:22px; }
.topbar-links a:hover{ color: var(--gold-light); }
.topbar-lang{ display:flex; gap:10px; align-items:center; color:rgba(255,255,255,.6); }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: rgba(255,255,255,.96); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding: 14px 0; }
.brand{ display:flex; align-items:center; gap:10px; font-family:"Noto Serif SC",serif; }
.brand-logo-img{ height:40px; width:auto; display:block; }
.footer-logo-img{ height:34px; width:auto; display:block; margin-bottom:14px; }
.brand-mark{
  width:42px; height:42px; border-radius:50%;
  background: linear-gradient(140deg, var(--navy), var(--navy-3));
  color: var(--gold-light); display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:1.05rem; border:1px solid var(--gold);
}
.brand-text{ line-height:1.1; }
.brand-text b{ display:block; font-size:1.15rem; color: var(--navy); letter-spacing:.02em; }
.brand-text span{ display:block; font-size:.68rem; letter-spacing:.18em; color: var(--gold-dark); text-transform:uppercase; }

.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-links > li{ position:relative; }
.nav-links > li > a{ font-weight:600; font-size:.95rem; color: var(--navy); padding:8px 0; }
.nav-links > li > a:hover, .nav-links > li.active > a{ color: var(--gold-dark); }
.has-dropdown > a::after{ content:"▾"; margin-left:5px; font-size:.7em; }
.dropdown{
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  min-width: 220px; background:var(--white); border:1px solid var(--line);
  border-radius: var(--radius-sm); box-shadow: var(--shadow); padding:8px;
  opacity:0; visibility:hidden; translate:0 8px; transition:.18s ease;
}
.has-dropdown:hover .dropdown{ opacity:1; visibility:visible; translate:0 0; }
.dropdown a{ display:block; padding:10px 14px; border-radius:6px; font-size:.9rem; color:var(--ink); }
.dropdown a:hover{ background: var(--cream); color: var(--gold-dark); }
.nav-cta{ display:flex; gap:10px; align-items:center; }
.nav-tel{ font-weight:700; color:var(--navy); font-size:.92rem; white-space:nowrap; }
.nav-toggle{ display:none; background:none; border:none; font-size:1.6rem; color:var(--navy); cursor:pointer; }

@media (max-width: 980px){
  .nav-links{
    position:fixed; inset:64px 0 0 0; background: var(--white); flex-direction:column;
    align-items:flex-start; padding: 20px 24px; gap:4px; overflow:auto;
    transform: translateX(100%); transition:.25s ease; z-index:400;
  }
  .nav-links.open{ transform:none; }
  .nav-links > li{ width:100%; border-bottom:1px solid var(--line); }
  .nav-links > li > a{ display:block; padding:14px 0; }
  .dropdown{ position:static; transform:none; box-shadow:none; border:none; opacity:1; visibility:visible; display:none; padding:0 0 10px 12px; }
  .has-dropdown.open .dropdown{ display:block; }
  .nav-toggle{ display:block; }
  .nav-tel{ display:none; }
  .topbar-links{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(200,163,97,.18), transparent 60%), linear-gradient(165deg, var(--navy) 0%, #0a1a2b 100%);
  color: var(--white); padding: 96px 0 80px;
}
.hero-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap:48px; align-items:center; }
.hero-single{ max-width: 720px; }
.hero-single .lede{ max-width: none; }
.hero h1{ color:var(--white); }
.hero .lede{ font-size:1.15rem; color: rgba(255,255,255,.82); max-width:520px; }
.hero-badges{ display:flex; flex-wrap:wrap; gap:10px 22px; margin: 22px 0 30px; font-size:.88rem; color: rgba(255,255,255,.75); }
.hero-badges span{ display:flex; align-items:center; gap:7px; white-space:nowrap; }
.hero-badges b{ color: var(--gold-light); }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-panel{
  background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.18);
  border-radius: var(--radius); padding: 28px; backdrop-filter: blur(4px);
}
.hero-panel h3{ color:var(--white); font-size:1.05rem; }
.hero-panel ul{ display:grid; gap:12px; margin-top: 14px; }
.hero-panel li{ display:flex; gap:10px; align-items:flex-start; color: rgba(255,255,255,.85); font-size:.92rem; }
.hero-panel li::before{ content:"✓"; color: var(--gold); font-weight:700; }
@media (max-width: 900px){ .hero-grid{ grid-template-columns: 1fr; } }

/* ---------- Breadcrumb / page hero (inner pages) ---------- */
.page-hero{
  background: linear-gradient(165deg, var(--navy) 0%, #0a1a2b 100%); color:var(--white);
  padding: 64px 0 56px;
}
.page-hero h1{ color:var(--white); margin-bottom:.3em; }
.crumbs{ font-size:.85rem; color: rgba(255,255,255,.55); margin-bottom:14px; }
.crumbs a:hover{ color: var(--gold-light); }
.page-hero .lede{ max-width:640px; color: rgba(255,255,255,.8); font-size:1.05rem; }

/* ---------- Cards ---------- */
.grid{ display:grid; gap:26px; }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 980px){ .grid-3,.grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid-2,.grid-3,.grid-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--white); border:1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition:.2s ease;
}
.card:hover{ box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.card .icon{
  width:52px; height:52px; border-radius:50%; background: var(--cream-2);
  display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin-bottom:16px;
}
.card h3{ margin-bottom:.4em; }
.card p{ color: var(--muted); font-size:.94rem; margin-bottom:0; }
.card .learn{ display:inline-block; margin-top:14px; font-weight:700; color: var(--gold-dark); font-size:.88rem; }

.video-wrap{
  max-width:900px; margin:0 auto; aspect-ratio:16/9; border-radius: var(--radius);
  overflow:hidden; box-shadow: var(--shadow); background:#000;
}
.video-wrap video{ width:100%; height:100%; display:block; object-fit:cover; }

.symptom-list{ display:grid; grid-template-columns: repeat(4,1fr); gap:14px; }
.symptom-list li{
  background: var(--white); border:1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 18px; font-size:.92rem; display:flex; gap:10px; align-items:center;
}
.symptom-list li::before{ content:"✓"; color: var(--gold-dark); font-weight:800; }
@media (max-width: 900px){ .symptom-list{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .symptom-list{ grid-template-columns: 1fr; } }

/* ---------- Stats ---------- */
.stats{ display:grid; grid-template-columns: repeat(6,1fr); gap:20px; text-align:center; }
.stats .stat b{ display:block; font-size: clamp(1.6rem,3vw,2.3rem); color: var(--gold-light); font-family:"Noto Serif SC",serif; }
.stats .stat span{ font-size:.82rem; color: rgba(255,255,255,.7); }
@media (max-width: 900px){ .stats{ grid-template-columns: repeat(3,1fr); } }
@media (max-width: 560px){ .stats{ grid-template-columns: repeat(2,1fr); } }

/* ---------- Doctors ---------- */
.doctor-card{ display:flex; gap:26px; background:var(--white); border:1px solid var(--line); border-radius: var(--radius); padding:28px; }
.doctor-photo{
  width:110px; height:110px; border-radius:50%; flex:none;
  background: linear-gradient(150deg, var(--cream-2), var(--gold-light));
  display:flex; align-items:center; justify-content:center; font-family:"Noto Serif SC",serif;
  font-size:1.6rem; color: var(--navy); border:2px solid var(--gold-light);
}
.doctor-photo-img{
  width:140px; height:140px; border-radius:50%; flex:none; object-fit:cover;
  border:3px solid var(--navy); box-shadow: 0 0 0 4px var(--gold-light);
}
.doctor-card h3{ margin-bottom:.15em; }
.doctor-role{ color: var(--gold-dark); font-weight:700; font-size:.85rem; margin-bottom:.6em; }
.doctor-card ul{ display:grid; gap:6px; }
.doctor-card li{ font-size:.88rem; color: var(--muted); display:flex; gap:8px; }
.doctor-card li::before{ content:"—"; color: var(--gold); }
.doctor-card.wide{ flex-direction:column; }
.doctor-card.wide .doctor-head{ display:flex; gap:26px; align-items:flex-start; margin-bottom:18px; }
.doctor-card .credentials{ font-size:.8rem; color:var(--muted); margin-bottom:10px; }
.achieve-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:10px; margin-top:14px; }
.achieve-grid .ach{ background:var(--cream); border-radius:8px; padding:12px 14px; font-size:.85rem; color:var(--ink); display:flex; gap:8px; }
.achieve-grid .ach::before{ content:"★"; color:var(--gold-dark); flex:none; }
@media (max-width:700px){ .doctor-card{ flex-direction:column; } .doctor-card.wide .doctor-head{ flex-direction:column; } .achieve-grid{ grid-template-columns:1fr; } }

/* ---------- Process / timeline ---------- */
.timeline{ display:grid; grid-template-columns: repeat(4,1fr); gap:22px; counter-reset: step; }
.timeline .step{ position:relative; padding-top:52px; }
.timeline .step::before{
  counter-increment: step; content: counter(step);
  position:absolute; top:0; left:0; width:40px; height:40px; border-radius:50%;
  background: var(--navy); color: var(--gold-light); font-weight:700;
  display:flex; align-items:center; justify-content:center; font-family:"Noto Serif SC",serif;
}
.timeline .step h3{ font-size:1.05rem; }
.timeline .step p{ color:var(--muted); font-size:.92rem; }
@media (max-width: 900px){ .timeline{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .timeline{ grid-template-columns: 1fr; } }

/* ---------- Testimonials ---------- */
.quote-card{ background: var(--white); border:1px solid var(--line); border-radius: var(--radius); padding:28px; }
.quote-card .stars{ color: var(--gold-dark); letter-spacing:2px; margin-bottom:10px; }
.quote-card p{ font-size:.96rem; color: var(--ink); }
.quote-card footer{ font-size:.85rem; color: var(--muted); font-weight:700; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); padding: 18px 0; }
.faq-q{ display:flex; justify-content:space-between; align-items:center; cursor:pointer; font-weight:700; color:var(--navy); gap:16px; }
.faq-q::after{ content:"+"; font-size:1.3rem; color: var(--gold-dark); flex:none; transition:.2s; }
.faq-item.open .faq-q::after{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:.25s ease; color:var(--muted); font-size:.94rem; }
.faq-item.open .faq-a{ max-height:400px; margin-top:12px; }

/* ---------- Forms ---------- */
.form-card{ background: var(--white); border:1px solid var(--line); border-radius: var(--radius); padding:32px; box-shadow: var(--shadow); }
.form-row{ display:grid; gap:16px; margin-bottom:16px; }
.form-row.two{ grid-template-columns: 1fr 1fr; }
label{ display:block; font-size:.85rem; font-weight:700; color:var(--navy); margin-bottom:6px; }
input, select, textarea{
  width:100%; padding: 12px 14px; border:1px solid var(--line); border-radius: 8px;
  font-family:inherit; font-size:.95rem; background: var(--cream);
}
input:focus, select:focus, textarea:focus{ outline:2px solid var(--gold); background:var(--white); }
.form-note{ font-size:.78rem; color: var(--muted); margin-top:10px; }
@media (max-width:560px){ .form-row.two{ grid-template-columns:1fr; } }

/* ---------- CTA banner ---------- */
.cta-banner{
  background: linear-gradient(135deg, var(--gold-light), var(--cream));
  border-radius: var(--radius); padding: 46px; display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap;
}
.cta-banner h3{ margin-bottom:.2em; }
.cta-banner p{ color: var(--muted); margin:0; }
@media (max-width:700px){ .cta-banner{ flex-direction:column; text-align:center; } }

/* ---------- Footer ---------- */
.site-footer{ background: #0a1928; color: rgba(255,255,255,.72); padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap:40px; margin-bottom:40px; }
.footer-grid h4{ color:var(--white); font-size:.95rem; margin-bottom:16px; }
.footer-grid ul{ display:grid; gap:10px; }
.footer-grid a:hover{ color: var(--gold-light); }
.footer-brand p{ font-size:.88rem; color: rgba(255,255,255,.55); max-width:280px; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.8rem; color: rgba(255,255,255,.45); }
.disclaimer{ font-size:.76rem; color: rgba(255,255,255,.4); max-width: 860px; margin-top:8px; }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ---------- Floating contact button ---------- */
.float-contact{
  position:fixed; right:22px; bottom:22px; z-index:600; display:flex; flex-direction:column; gap:10px; align-items:flex-end;
}
.float-btn{
  width:54px; height:54px; border-radius:50%; background: var(--navy); color: var(--gold-light);
  display:flex; align-items:center; justify-content:center; font-size:1.3rem; box-shadow: var(--shadow); border:none; cursor:pointer;
}
.float-btn.gold{ background: var(--gold); color: var(--navy); }

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed; inset:0; background: rgba(10,20,32,.6); display:none; align-items:center; justify-content:center; z-index:900; padding:20px;
}
.modal-overlay.show{ display:flex; }
.modal-box{
  background:var(--white); border-radius: var(--radius); padding:32px; max-width:380px; width:100%; text-align:center; position:relative;
}
.modal-close{ position:absolute; top:14px; right:16px; background:none; border:none; font-size:1.2rem; cursor:pointer; color:var(--muted); }
.qr-placeholder{
  width:180px; height:180px; margin: 16px auto; border-radius: 10px;
  background: repeating-linear-gradient(45deg, var(--cream-2), var(--cream-2) 10px, var(--white) 10px, var(--white) 20px);
  border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--muted); font-size:.8rem;
}
.channel-tabs{ display:flex; gap:8px; justify-content:center; margin-bottom:6px; }
.channel-tabs button{
  border:1px solid var(--line); background:var(--cream); padding:8px 14px; border-radius:999px; font-size:.82rem; cursor:pointer; font-weight:700; color:var(--muted); white-space:nowrap;
}
.channel-tabs button.active{ background:var(--navy); color:var(--gold-light); border-color:var(--navy); }

/* ---------- Utilities ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.split{ display:grid; grid-template-columns: 1fr 1fr; gap:56px; align-items:center; }
@media (max-width: 900px){ .split{ grid-template-columns: 1fr; gap:32px; } }
.tag-row{ display:flex; flex-wrap:wrap; gap:10px; margin: 18px 0; }
.tag{ background: var(--cream-2); color: var(--navy); border-radius:999px; padding:6px 14px; font-size:.82rem; font-weight:700; white-space:nowrap; }
.divider{ height:1px; background: var(--line); margin: 56px 0; }
.badge-row{ display:flex; flex-wrap:wrap; gap:24px; align-items:center; justify-content:center; opacity:.8; }
.facility-photo{ border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow); }
.facility-photo img{ width:100%; height:auto; aspect-ratio:16/9; object-fit:cover; display:block; }
.facility-photo figcaption{ padding:12px 16px; font-size:.82rem; color:var(--muted); background:var(--white); }
.small-note{ font-size:.78rem; color: var(--muted); }