/* ==========================================================
   博美医疗 BOMEI MEDICAL — 全站样式
   参考版式：JECT（极简高端医美）
   ========================================================== */

:root{
  --ink:#212526;
  --green:#344743;
  --sage:#E5EAE8;
  --sand:#EFEBE9;
  --paper:#ffffff;
  --muted:#6f7a77;
  --line:#e2e0dc;
  --radius:2px;
  --container:1200px;
  --serif-en:"Times New Roman",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}

.container{max-width:var(--container);margin:0 auto;padding:0 28px}

/* ---------- 通用文字 ---------- */
.eyebrow{
  font-family:var(--serif-en);
  font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--green);margin-bottom:14px;
}
.h1{font-size:44px;line-height:1.25;font-weight:600;letter-spacing:.02em}
.h2{font-size:32px;line-height:1.3;font-weight:600;letter-spacing:.02em}
.h3{font-size:19px;font-weight:600}
.lead{font-size:16px;color:var(--muted);max-width:640px}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{max-width:680px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .lead{margin-top:14px}
.more-link{
  display:inline-block;font-size:14px;letter-spacing:.08em;
  border-bottom:1px solid var(--ink);padding-bottom:2px;
}
.more-link:hover{color:var(--green);border-color:var(--green)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;border-radius:999px;padding:12px 30px;
  font-size:14px;letter-spacing:.06em;border:1px solid transparent;
  transition:all .2s ease;background:var(--ink);color:#fff;text-align:center;
}
.btn:hover{background:var(--green)}
.btn.outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.outline:hover{background:var(--ink);color:#fff}
.btn.light{background:#fff;color:var(--ink)}
.btn.light:hover{background:var(--sage)}
.btn.sm{padding:9px 22px;font-size:13px}
.btn.block{display:block;width:100%}

/* ---------- 顶部 ---------- */
.topbar{background:var(--green);color:#fff;font-size:13px;text-align:center;padding:8px 16px;letter-spacing:.05em}
.topbar a{text-decoration:underline;text-underline-offset:3px}

.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;flex-direction:column;line-height:1.15}
.logo .cn{font-size:22px;font-weight:700;letter-spacing:.3em}
.logo .en{font-size:9px;letter-spacing:.34em;color:var(--muted);text-transform:uppercase}

.main-nav{display:flex;gap:30px}
.main-nav>a{font-size:15px;padding:26px 0;position:relative;letter-spacing:.04em}
.main-nav>a:hover{color:var(--green)}
.main-nav>a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;background:var(--green);
}

.header-actions{display:flex;align-items:center;gap:14px}
.icon-link{font-size:14px}
.burger{display:none;background:none;border:0;width:40px;height:40px;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:var(--ink);transition:.2s}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:14px 28px;border-top:1px solid var(--line);font-size:15px}

/* ---------- Hero ---------- */
.hero{position:relative;height:640px;overflow:hidden;background:var(--sand)}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:65% 30%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.82) 0%,rgba(255,255,255,.45) 42%,rgba(255,255,255,0) 68%)}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;max-width:var(--container);margin:0 auto;padding:0 28px}
.hero .h1{max-width:520px}
.hero .lead{margin:18px 0 30px;max-width:440px}
.hero-card{
  margin-top:38px;background:#fff;padding:20px 22px;max-width:400px;
  box-shadow:0 12px 40px rgba(33,37,38,.08);
}
.hero-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.hero-card select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:2px;
  font-family:inherit;font-size:14px;background:#fff;color:var(--ink);
}
.hero-card .btn{margin-top:12px}

/* 子页页头 */
.page-hero{position:relative;padding:120px 0 90px;background:var(--sage);overflow:hidden}
.page-hero.hero-img{padding:0;height:420px}
.page-hero.hero-img img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero.hero-img::after{content:"";position:absolute;inset:0;background:rgba(255,255,255,.45)}
.page-hero.hero-img .container{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px;letter-spacing:.05em}

/* ---------- 三栏理念卡 ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:44px}
.pillar .num{font-family:var(--serif-en);font-size:13px;letter-spacing:.2em;color:var(--muted);margin-bottom:10px}
.pillar h3{font-size:20px;margin-bottom:12px}
.pillar p{color:var(--muted);font-size:15px}

/* ---------- 项目卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}

.tcard{background:#fff}
.tcard .thumb{position:relative;overflow:hidden;aspect-ratio:3/2;background:var(--sage)}
.tcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.tcard:hover .thumb img{transform:scale(1.04)}
.tcard .tag{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);
  font-size:12px;letter-spacing:.1em;padding:4px 12px;color:var(--green);
}
.tcard .body{padding:20px 2px 6px}
.tcard h3{font-size:18px;margin-bottom:8px}
.tcard p{font-size:14px;color:var(--muted);margin-bottom:16px}
.tcard .acts{display:flex;gap:18px;align-items:center}
.tcard .acts a{font-size:13px;letter-spacing:.06em;border-bottom:1px solid var(--ink);padding-bottom:2px}
.tcard .acts a.primary{background:var(--ink);color:#fff;border:0;padding:8px 20px;border-radius:999px}
.tcard .acts a.primary:hover{background:var(--green)}

/* 横向滑动 */
.slider-wrap{position:relative}
.slider{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:6px}
.slider::-webkit-scrollbar{display:none}
.slider>*{flex:0 0 calc((100% - 72px)/4);scroll-snap-align:start}
.slider-btns{display:flex;gap:10px;margin-top:26px}
.slider-btns button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--ink);background:#fff;
  font-size:16px;transition:.2s;
}
.slider-btns button:hover{background:var(--ink);color:#fff}

/* ---------- 商品 ---------- */
.pcard{text-align:center}
.pcard .thumb{aspect-ratio:3/4;overflow:hidden;background:var(--sand);margin-bottom:16px}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .thumb img{transform:scale(1.03)}
.pcard h3{font-size:15px;font-weight:500;margin-bottom:6px}
.pcard .price{font-size:15px;color:var(--green);letter-spacing:.04em}
.pcard .badge{
  display:inline-block;font-size:11px;letter-spacing:.12em;color:var(--green);
  border:1px solid var(--green);padding:2px 10px;border-radius:999px;margin-bottom:10px;
}

/* ---------- 会员横幅 ---------- */
.perks{background:var(--green);color:#fff}
.perks .eyebrow{color:rgba(255,255,255,.7)}
.perks .h2{color:#fff}
.perks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:44px}
.perk{border-top:1px solid rgba(255,255,255,.25);padding-top:22px}
.perk .t{font-size:17px;font-weight:600;margin-bottom:8px}
.perk p{color:rgba(255,255,255,.75);font-size:14px}
.perks .acts{margin-top:44px;display:flex;gap:16px}

/* ---------- 口碑 ---------- */
.quotes{background:var(--sand)}
.quote-card{background:#fff;padding:34px;max-width:760px;margin:0 auto;text-align:center}
.quote-card .mark{font-family:var(--serif-en);font-size:52px;line-height:1;color:var(--green)}
.quote-card p{font-size:17px;line-height:1.9;margin:12px 0 20px}
.quote-card .who{font-size:13px;letter-spacing:.12em;color:var(--muted)}

/* ---------- 医师团队 ---------- */
.dcard .thumb{aspect-ratio:1/1;overflow:hidden;background:var(--sage)}
.dcard .thumb img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s}
.dcard:hover .thumb img{transform:scale(1.04)}
.dcard h3{font-size:17px;margin-top:14px}
.dcard p{font-size:13px;color:var(--muted)}

/* ---------- 资讯 ---------- */
.bcard .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--sage);margin-bottom:16px}
.bcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.bcard:hover .thumb img{transform:scale(1.04)}
.bcard .meta{font-size:12px;letter-spacing:.1em;color:var(--muted);margin-bottom:8px}
.bcard h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.bcard p{font-size:14px;color:var(--muted);margin-bottom:12px}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .pic{aspect-ratio:4/3;overflow:hidden}
.split .pic img{width:100%;height:100%;object-fit:cover}
.split .txt .h2{margin-bottom:18px}
.split .txt p{color:var(--muted);margin-bottom:14px}
.split.rev .pic{order:2}

/* ---------- 数据 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stats .n{font-size:46px;font-weight:600;color:var(--green);font-family:var(--serif-en)}
.stats .n sup{font-size:20px}
.stats .l{font-size:14px;color:var(--muted);margin-top:6px}

/* ---------- 门店 ---------- */
.loc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.loc-card{border:1px solid var(--line);padding:26px;transition:.2s;background:#fff}
.loc-card:hover{border-color:var(--green);box-shadow:0 10px 30px rgba(33,37,38,.06)}
.loc-card .city{font-size:12px;letter-spacing:.16em;color:var(--green);margin-bottom:8px}
.loc-card h3{font-size:18px;margin-bottom:8px}
.loc-card p{font-size:14px;color:var(--muted);margin-bottom:4px}
.loc-card .tel{font-size:14px;color:var(--ink)}
.loc-card .acts{margin-top:16px;display:flex;gap:10px}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:.05em}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:2px;padding:12px 14px;font-family:inherit;
  font-size:14px;background:#fff;color:var(--ink);
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.form-msg{margin-top:16px;font-size:14px;display:none}
.form-msg.ok{display:block;color:var(--green)}
.form-msg.err{display:block;color:#b4453a}

/* ---------- CTA ---------- */
.cta{background:var(--sage);text-align:center}
.cta .h2{margin-bottom:14px}
.cta p{color:var(--muted);margin-bottom:28px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:70px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:56px}
.site-footer h4{font-size:14px;letter-spacing:.16em;margin-bottom:18px;color:rgba(255,255,255,.95)}
.site-footer li{margin-bottom:9px}
.site-footer a{color:rgba(255,255,255,.68);font-size:14px}
.site-footer a:hover{color:#fff}
.footer-about p{color:rgba(255,255,255,.68);font-size:14px;margin-top:16px;max-width:280px}
.subscribe p{color:rgba(255,255,255,.68);font-size:14px;margin-bottom:16px}
.subscribe form{display:flex;border-bottom:1px solid rgba(255,255,255,.4)}
.subscribe input{
  flex:1;background:none;border:0;color:#fff;padding:10px 0;font-family:inherit;font-size:14px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45)}
.subscribe input:focus{outline:none}
.subscribe button{background:none;border:0;color:#fff;font-size:13px;letter-spacing:.1em}
.footer-bar{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 文章详情 ---------- */
.article{max-width:760px;margin:0 auto}
.article .meta{font-size:13px;color:var(--muted);margin-bottom:24px;letter-spacing:.06em}
.article .cover{aspect-ratio:16/9;overflow:hidden;margin-bottom:32px;background:var(--sage)}
.article .cover img{width:100%;height:100%;object-fit:cover}
.article .body h2{font-size:24px;margin:34px 0 14px}
.article .body h3{font-size:19px;margin:28px 0 12px}
.article .body p{color:#3c4442;margin-bottom:16px}
.article .body li{list-style:disc;margin:0 0 8px 20px;color:#3c4442}

/* ---------- 列表页 ---------- */
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.cat-block{margin-bottom:64px}
.cat-block>.h2{margin-bottom:30px}
.trow{
  display:grid;grid-template-columns:220px 1fr auto;gap:26px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.trow .thumb{aspect-ratio:3/2;overflow:hidden;background:var(--sage)}
.trow .thumb img{width:100%;height:100%;object-fit:cover}
.trow h3{font-size:18px;margin-bottom:6px}
.trow p{font-size:14px;color:var(--muted)}
.trow .acts{display:flex;flex-direction:column;gap:10px;align-items:flex-end}

/* 咨询浮窗 */
.float-cta{
  position:fixed;right:22px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:10px;
}
.float-cta a{
  width:52px;height:52px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;
  box-shadow:0 8px 24px rgba(33,37,38,.25);text-align:center;line-height:1.2;
}
.float-cta a:hover{background:var(--green)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .main-nav{display:none}
  .burger{display:block}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .slider>*{flex:0 0 calc((100% - 24px)/2)}
  .loc-grid,.list-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .h1{font-size:32px}
  .h2{font-size:26px}
  .section{padding:60px 0}
  .hero{height:560px}
  .pillars,.perks-grid,.stats,.split,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .slider>*{flex:0 0 86%}
  .loc-grid,.list-grid,.form-grid{grid-template-columns:1fr}
  .trow{grid-template-columns:1fr;gap:14px}
  .trow .acts{flex-direction:row;align-items:center}
  .split.rev .pic{order:0}
  .header-actions .btn{display:none}
  .float-cta{display:none}
}