/* ============================================================
   Nuoyan Biotech — Global OEM/ODM site
   Design: premium clinical-beauty B2B. Deep botanical teal,
   champagne gold, warm porcelain background.
   ============================================================ */
:root{
  /* 高端医美暖色系：象牙白 / 深炭黑棕 / 香槟玫瑰金 */
  --teal-900:#211b16;
  --teal-800:#2e261f;
  --teal-700:#3d3229;
  --teal-600:#5c4d40;
  --teal-500:#8a7560;
  --teal-100:#ece3da;
  --teal-50:#faf5f0;
  --gold:#b89064;
  --gold-soft:#d8bd9c;
  --ink:#2b231d;
  --muted:#7b6f63;
  --porcelain:#fdfbf8;
  --white:#ffffff;
  --line:#ece4db;
  --shadow:0 24px 60px -28px rgba(33,27,22,.28);
  --radius:20px;
  --maxw:1200px;
  --font-head:"Cormorant Garamond","Noto Serif SC","Times New Roman",Georgia,"Songti SC",serif;
  --font-body:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--porcelain);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
html[dir="rtl"] body{font-family:"Inter","Segoe UI",Tahoma,Arial,sans-serif}
img{max-width:100%;display:block}
a{color:var(--teal-700);text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--font-head);font-weight:600;color:var(--teal-900);line-height:1.18}
h1{font-size:clamp(2.3rem,5vw,3.9rem);letter-spacing:-.5px}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:1.35rem}
p{color:var(--muted)}
.eyebrow{
  display:inline-block;text-transform:uppercase;letter-spacing:.22em;
  font-size:.72rem;font-weight:700;color:var(--gold);
  margin-bottom:14px;
}
.section{padding:88px 0}
.section.tight{padding:60px 0}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-head p{margin-top:14px;font-size:1.05rem}
.bg-white{background:var(--white)}
.bg-teal{background:linear-gradient(150deg,var(--teal-900),var(--teal-700));color:#f3ece3}
.bg-teal h2,.bg-teal h3{color:#fff}
.bg-teal p{color:#cbbca8}
.bg-soft{background:var(--teal-50)}

/* ---------- Top bar ---------- */
.topbar{background:#1d1814;color:#d8c9bb;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#f0e6db}
.topbar .tb-right{display:flex;gap:18px;align-items:center;flex-wrap:wrap}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,248,244,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand .brand-name{font-family:var(--font-head);font-size:1.55rem;font-weight:700;color:var(--teal-900);letter-spacing:.5px}
.brand .brand-sub{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);font-weight:700}
.nav-links{display:flex;gap:22px;align-items:center;list-style:none;margin:0;padding:0}
.nav-links>li{position:relative}
.nav-links a{font-size:.92rem;font-weight:600;color:var(--teal-800);padding:6px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{border-color:var(--gold);color:var(--teal-600)}
.nav-links li.active-parent>.nav-item a{color:var(--teal-600)}
.nav-item{display:flex;align-items:center;gap:3px}
.nav-caret{display:none;align-items:center;justify-content:center;background:none;border:none;color:var(--teal-800);cursor:pointer;padding:6px 2px;margin-inline-start:2px;border-radius:6px}
.nav-caret svg{transition:transform .2s}
.has-sub.open>.nav-item .nav-caret svg{transform:rotate(180deg)}

/* 桌面端下拉（hover 为主，caret 点击兜底；透明桥接区防鼠标斜向移入时收起） */
@media(min-width:761px){
  .nav-caret{display:flex}
  .nav-sub{position:absolute;top:calc(100% + 12px);inset-inline-start:0;min-width:218px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 50px -22px rgba(33,27,22,.35);padding:8px;display:none;flex-direction:column;z-index:70}
  .nav-sub::before{content:"";position:absolute;top:-12px;inset-inline:0;height:12px}
  .nav-sub a{display:block;padding:11px 14px;border-radius:9px;border-bottom:none!important;font-size:.9rem;white-space:nowrap}
  .nav-sub a:hover,.nav-sub a.active{background:var(--teal-50);color:var(--teal-700);border-bottom:none!important}
  .has-sub:hover>.nav-sub,.has-sub.open>.nav-sub{display:flex}
}
/* 手机端手风琴 */
@media(max-width:760px){
  .nav-item{justify-content:space-between}
  .nav-item a{flex:1}
  .nav-caret{display:flex}
  .nav-sub{display:none;flex-direction:column;padding:4px 0 4px 14px}
  .nav-sub a{padding:11px 12px;font-size:.88rem;border-bottom:none!important}
  .has-sub.open>.nav-sub{display:flex}
  .has-sub.open>.nav-item .nav-caret{background:var(--teal-50)}
}
.nav-right{display:flex;align-items:center;gap:14px}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:700;font-size:.92rem;cursor:pointer;border:1.5px solid transparent;transition:.22s;text-align:center}
.btn-gold{background:linear-gradient(120deg,var(--gold),#d3b87f);color:#241d10;box-shadow:0 10px 24px -12px rgba(194,163,107,.8)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(194,163,107,.9)}
.btn-teal{background:var(--teal-700);color:#fff}
.btn-teal:hover{background:var(--teal-600);transform:translateY(-2px)}
.btn-ghost{border-color:var(--teal-700);color:var(--teal-800);background:transparent}
.btn-ghost:hover{background:var(--teal-700);color:#fff}
.btn-light{background:#fff;color:var(--teal-800)}
.btn-lg{padding:16px 34px;font-size:1rem}

/* language switcher */
.lang-switch{position:relative}
.lang-btn{display:flex;align-items:center;gap:7px;background:transparent;border:1.5px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:700;font-size:.85rem;color:var(--teal-800);cursor:pointer}
.lang-btn-flag{font-size:1.05rem;line-height:1}
.globe{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7}
.lang-panel{position:absolute;inset-inline-end:0;top:calc(100% + 10px);width:300px;max-height:420px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px;display:none;z-index:80}
.lang-panel.open{display:block}
.lang-panel a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;font-size:.88rem;color:var(--ink)}
.lang-panel a .lp-name{display:inline-flex;align-items:center;gap:9px;min-width:0}
.lang-panel a .lp-flag{font-size:1.15rem;line-height:1;flex:0 0 auto}
.lang-panel a:hover{background:var(--teal-50)}
.lang-panel a.active{background:var(--teal-100);font-weight:700}
.lang-panel a .en{font-size:.72rem;color:var(--muted)}
.lang-panel .lp-region{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--gold);font-weight:800;padding:10px 12px 4px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--teal-900)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#211b16 0%,#2e251d 52%,#3d3025 100%);color:#fff}
.hero::after{content:"";position:absolute;inset-inline-end:-180px;top:-180px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,189,156,.30),transparent 65%);pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;padding:96px 24px 104px}
.hero-badge{display:inline-block;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--gold-soft);border:1px solid rgba(221,200,161,.45);border-radius:999px;padding:7px 16px;margin-bottom:26px}
.hero h1{color:#fff;margin-bottom:22px}
.hero p.lead{color:#e3d8ca;font-size:1.13rem;max-width:560px;margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:30px}
.hero .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.hero .btn-ghost:hover{background:#fff;color:var(--teal-800)}
.hero-trust{font-size:.85rem;color:#b9a990;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.hero-trust span::before{content:"●";color:var(--gold);margin-inline-end:8px;font-size:.7rem}
.hero-visual{position:relative;min-height:420px;border-radius:26px;overflow:hidden;
  background:
   radial-gradient(120px 120px at 30% 25%,rgba(255,255,255,.16),transparent),
   linear-gradient(160deg,rgba(216,189,156,.40),rgba(255,255,255,.05)),
   linear-gradient(200deg,#43352a,#241d17);
  border:1px solid rgba(221,200,161,.3);
  box-shadow:var(--shadow)}
.hero-visual .hv-inner{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:34px}
.hero-visual .hv-card{background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:22px}
.hero-visual .hv-card .num{font-family:var(--font-head);font-size:2.4rem;color:var(--gold-soft);line-height:1}
.hero-visual .hv-card .lbl{font-size:.82rem;color:#ece2d6}
.hero-visual .hv-ring{position:absolute;width:230px;height:230px;border-radius:50%;border:1.5px dashed rgba(221,200,161,.5);inset:34px auto auto 50%;transform:translateX(-50%);animation:spin 40s linear infinite}
.hero-visual .hv-ring::before{content:"";position:absolute;inset:46px;border-radius:50%;border:1px solid rgba(255,255,255,.15)}
@keyframes spin{to{transform:translateX(-50%) rotate(360deg)}}
html[dir="rtl"] .hero-visual .hv-ring{animation-name:spin-rtl}
@keyframes spin-rtl{to{transform:translateX(-50%) rotate(-360deg)}}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat{text-align:center;padding:18px 10px}
.stat .v{font-family:var(--font-head);font-size:clamp(2.2rem,4vw,3.1rem);font-weight:700;color:var(--teal-700);line-height:1}
.stat .l{margin-top:10px;font-size:.9rem;color:var(--muted);letter-spacing:.02em}
.bg-teal .stat .v{color:var(--gold-soft)}
.bg-teal .stat .l{color:#e3d8ca}
.stat + .stat{border-inline-start:1px solid var(--line)}
.bg-teal .stat + .stat{border-inline-start-color:rgba(255,255,255,.14)}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cards.cols-4{grid-template-columns:repeat(4,1fr)}
.cards.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset-inline-start:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold),transparent);opacity:0;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{opacity:1}
.card .ic{width:48px;height:48px;border-radius:12px;background:var(--teal-50);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--teal-600)}
.card .ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6}
.card h3{font-size:1.22rem;margin-bottom:10px}
.card p{font-size:.93rem}
.card .idx{position:absolute;inset-inline-end:18px;top:14px;font-family:var(--font-head);font-size:2.6rem;color:var(--teal-50);font-weight:700;line-height:1}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 22px}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-head);font-size:2rem;color:var(--gold);font-weight:700;display:block;margin-bottom:10px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{font-size:.9rem}

/* image + text */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{border-radius:24px;min-height:380px;position:relative;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);
  background:
   radial-gradient(circle at 70% 20%,rgba(194,163,107,.35),transparent 55%),
   linear-gradient(150deg,#43352a,#2a211a)}
.split-media .ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#e3d8ca;text-align:center;padding:30px}
.split-media .ph svg{width:54px;height:54px;stroke:var(--gold-soft);fill:none;stroke-width:1.3}
.split-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.split h2{margin-bottom:18px}
.split p{margin-bottom:20px}
.checks{list-style:none;display:grid;gap:12px;margin-bottom:28px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-weight:500;color:var(--teal-900)}
.checks li svg{flex:0 0 22px;width:22px;height:22px;stroke:var(--teal-600);fill:none;stroke-width:2;margin-top:3px}

/* features (why) */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature{padding:30px 24px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.feature .ic{width:52px;height:52px;border-radius:14px;background:rgba(194,163,107,.16);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature .ic svg{width:26px;height:26px;stroke:var(--gold-soft);fill:none;stroke-width:1.6}
.feature h3{color:#fff;font-size:1.18rem;margin-bottom:9px}
.feature p{font-size:.9rem;color:#e3d8ca}

/* product grid */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pitem{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.pitem:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pitem .pthumb{aspect-ratio:1/1;background:
  radial-gradient(circle at 50% 30%,rgba(194,163,107,.4),transparent 60%),
  linear-gradient(160deg,#3d3229,#2e261f);
  display:flex;align-items:center;justify-content:center;position:relative}
.pitem .pthumb svg{width:42px;height:42px;stroke:var(--gold-soft);fill:none;stroke-width:1.3;opacity:.9}
.pitem .pthumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pitem .pbody{padding:18px 18px 22px}
.pitem h3{font-size:1.05rem;margin-bottom:6px}
.pitem p{font-size:.85rem}
.pgroup-title{display:flex;align-items:center;gap:18px;margin:48px 0 26px}
.pgroup-title:first-child{margin-top:0}
.pgroup-title h3{font-size:1.6rem}
.pgroup-title::after{content:"";flex:1;height:1px;background:var(--line)}

/* two col compare */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.two-col .col{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px 36px}
.two-col .col h3{font-size:1.5rem;margin-bottom:14px}
.two-col .col .tag{display:inline-block;background:var(--teal-50);color:var(--teal-700);font-weight:800;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:18px}

/* text block */
.textblock{max-width:860px;margin:0 auto;text-align:center}
.textblock h2{margin-bottom:20px}
.textblock p{font-size:1.08rem}

/* logos / compliance */
.logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.logos span{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.05);color:#f3ece3;border-radius:999px;padding:11px 24px;font-weight:700;font-size:.9rem;letter-spacing:.04em}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 26px;font-weight:700;color:var(--teal-900);font-size:1.05rem;display:flex;justify-content:space-between;gap:18px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.6rem;color:var(--gold);font-weight:400;line-height:1;transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .ans{padding:0 26px 24px;color:var(--muted);font-size:.96rem}

/* CTA banner */
.cta-banner{border-radius:26px;padding:64px 56px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--teal-900),var(--teal-600));color:#fff}
.cta-banner::before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(194,163,107,.3),transparent 65%);top:-160px;inset-inline-end:-100px}
.cta-banner h2{color:#fff;position:relative;max-width:760px;margin:0 auto 16px}
.cta-banner p{color:#e3d8ca;position:relative;max-width:680px;margin:0 auto 30px}
.cta-banner .btn{position:relative}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info .ci-row{display:flex;gap:16px;margin-bottom:26px;align-items:flex-start}
.contact-info .ci-ic{flex:0 0 46px;width:46px;height:46px;border-radius:12px;background:var(--teal-50);display:flex;align-items:center;justify-content:center}
.contact-info .ci-ic svg{width:22px;height:22px;stroke:var(--teal-600);fill:none;stroke-width:1.7}
.contact-info h4{font-size:1rem;color:var(--teal-900);margin-bottom:2px}
.contact-info a,.contact-info p{font-size:.95rem}
.qr-box{margin-top:28px;border:2px dashed var(--line);border-radius:18px;padding:30px;text-align:center;background:var(--white)}
.qr-box .qr-ph{width:180px;height:180px;margin:0 auto 14px;border-radius:12px;background:
  repeating-linear-gradient(45deg,var(--teal-100),var(--teal-100) 8px,#fff 8px,#fff 16px);
  display:flex;align-items:center;justify-content:center;color:var(--teal-700);font-weight:700;font-size:.8rem;text-align:center;padding:10px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:40px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:700;color:var(--teal-800)}
.field input,.field textarea{font-family:inherit;font-size:.95rem;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;background:var(--porcelain);color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-500);background:#fff}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px}
.form-success{background:var(--teal-50);border:1px solid var(--teal-100);color:var(--teal-800);border-radius:12px;padding:16px;margin-top:16px;font-weight:600;display:none}

/* breadcrumb */
.crumb{font-size:.84rem;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}
.crumb span{margin:0 8px;color:var(--gold)}

/* footer */
.site-footer{background:var(--teal-900);color:#cbbca8;padding:70px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.site-footer h4{color:#fff;font-size:.95rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.site-footer .brand-name{color:#fff}
.site-footer ul{list-style:none;display:grid;gap:10px}
.site-footer ul a{color:#cbbca8;font-size:.9rem}
.site-footer ul a:hover{color:var(--gold-soft)}
.site-footer p{font-size:.88rem;color:#a9957e}
.footer-contact div{margin-bottom:12px;font-size:.88rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.8rem;color:#8a7560}
.footer-bottom a{color:#a9957e}

/* floating contact */
.float-contact{position:fixed;inset-inline-end:20px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float-contact a{width:52px;height:52px;border-radius:50%;background:var(--teal-700);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}
.float-contact a.whats{background:#b89064}
.float-contact a.wx{background:#9c7a4f}
.float-contact svg{width:25px;height:25px;fill:#fff}
html[dir="rtl"] .float-contact{inset-inline-end:auto;inset-inline-start:20px}

/* news */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.news-card a{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;height:100%;transition:.25s}
.news-card a:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.news-thumb{aspect-ratio:16/8;background:linear-gradient(150deg,#3d3229,#2e261f);display:flex;align-items:center;justify-content:center}
.news-thumb svg{width:40px;height:40px;stroke:var(--gold-soft);fill:none;stroke-width:1.3}
.news-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{font-size:.78rem;color:var(--gold);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.news-body h3{font-size:1.25rem}
.news-body p{font-size:.9rem;flex:1}
.news-more{color:var(--teal-600);font-weight:700;font-size:.88rem}

/* article */
.article-page{max-width:820px;margin:26px auto 70px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:50px 56px}
.article-page h1{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px}
.article-meta{color:var(--muted);font-size:.85rem;margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-cover{border-radius:16px;overflow:hidden;margin-bottom:28px;max-height:420px}
.article-cover img{width:100%;object-fit:cover}
.article-body{font-size:1.02rem;line-height:1.9;color:#3d3229}
.article-body p{margin-bottom:18px;color:#3d3229}
.article-body h2,.article-body h3{margin:28px 0 14px}
.article-body img{border-radius:12px;margin:18px 0}
.ai-summary{background:var(--teal-50);border-inline-start:4px solid var(--gold);border-radius:10px;padding:18px 22px;margin-bottom:28px}
.ai-summary strong{display:block;color:var(--teal-800);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}
.ai-summary p{margin:0;font-size:.93rem;color:var(--teal-900)}
.article-faq{margin-top:40px}
.article-faq h2{margin-bottom:20px}

/* responsive */
@media(max-width:1020px){
  .news-list{grid-template-columns:1fr}
  .article-page{padding:34px 24px}

  .cards,.cards.cols-4{grid-template-columns:repeat(2,1fr)}
  .features,.steps{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-inline-start:none}
  .hero .container{grid-template-columns:1fr;padding:70px 24px 80px}
  .hero-visual{display:none}
  .split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav-links{position:absolute;top:100%;inset-inline:0;background:var(--porcelain);flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 20px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-links li{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex}
  .nav-right .btn{display:none}
  .cards,.cards.cols-4,.cards.cols-2,.features,.steps,.pgrid,.two-col,.stats,.form-grid{grid-template-columns:1fr}
  .stat + .stat{border-inline-start:none;border-top:1px solid var(--line);padding-top:22px}
  .section{padding:60px 0}
  .cta-banner{padding:44px 26px}
  .form-card{padding:28px 22px}
  .topbar .tb-right{display:none}
}

/* ===== Product catalog & detail (DB-driven, admin editable) ===== */

.prod-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.prod-card { background:#fff; border:1px solid #e7e4dc; border-radius:16px; overflow:hidden; transition:transform .25s ease, box-shadow .25s ease; }
.prod-card:hover { transform:translateY(-4px); box-shadow:0 18px 40px -18px rgba(33,27,22,.35); }
.prod-link { display:block; color:inherit; text-decoration:none; }
.prod-img { aspect-ratio:1/1; background:#211b16; overflow:hidden; }
.prod-img img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .4s ease; }
.prod-card:hover .prod-img img { transform:scale(1.05); }
.prod-body { padding:18px 18px 22px; }
.prod-cat { display:inline-block; font-size:.7rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:#a97e54; background:#f3ece3; padding:4px 10px; border-radius:999px; margin-bottom:10px; }
.prod-body h3 { font-family:var(--font-head); font-size:1.15rem; line-height:1.3; margin:0 0 6px; color:#211b16; }
.prod-body p { font-size:.88rem; color:#7b6f63; margin:0 0 12px; min-height:38px; }
.prod-cta { color:#b08d4f; font-weight:600; font-size:.88rem; }

/* product detail */
.crumb { display:flex; gap:8px; align-items:center; font-size:.85rem; color:#7b6f63; padding:18px 0 4px; flex-wrap:wrap; }
.crumb a { color:#a97e54; }
.pdetail { display:grid; grid-template-columns:1.05fr 1fr; gap:48px; align-items:center; padding:24px 0 10px; }
.pdetail-media { border-radius:20px; overflow:hidden; background:#211b16; }
.pdetail-media img { width:100%; display:block; }
.pdetail-info h1 { font-family:var(--font-head); font-size:2.2rem; line-height:1.15; margin:10px 0 8px; color:#211b16; }
.pdetail-tag { font-size:1.05rem; color:#b08d4f; font-weight:600; margin:0 0 16px; }
.pdetail-desc { color:#5c4d40; line-height:1.75; margin:0 0 20px; }
.prod-features { margin:0 0 24px; }
.prod-features li { display:flex; gap:10px; align-items:flex-start; margin-bottom:9px; color:#3d3229; font-size:.95rem; }
.prod-features svg { width:18px; height:18px; min-width:18px; fill:none; stroke:#a97e54; stroke-width:2.4; margin-top:3px; }

.oem-specs { max-width:1180px; margin:34px auto 8px; background:#fff; border:1px solid #e7e4dc; border-radius:18px; padding:34px 38px; }
.oem-specs h2 { font-family:var(--font-head); font-size:1.6rem; margin:0 0 22px; color:#211b16; }
.oem-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:24px 40px; }
.oem-block dt { font-weight:700; font-size:.82rem; letter-spacing:.05em; text-transform:uppercase; color:#a97e54; margin:0 0 9px; }
.oem-block dd { margin:0; color:#3d3229; line-height:1.7; }
.chip { display:inline-block; background:#f3efe6; color:#5d4c27; border:1px solid #e3dac2; border-radius:999px; padding:5px 13px; font-size:.82rem; margin:0 7px 7px 0; }

/* factory gallery */
.fac-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.fac-card { background:#fff; border-radius:14px; overflow:hidden; box-shadow:0 8px 24px -14px rgba(33,27,22,.4); margin:0; }
.fac-card img { width:100%; aspect-ratio:4/3; object-fit:cover; display:block; }
.fac-card figcaption { padding:12px 15px; font-size:.86rem; color:#5c4d40; line-height:1.5; }

@media (max-width:980px) {
  .prod-grid { grid-template-columns:repeat(2,1fr); }
  .pdetail { grid-template-columns:1fr; gap:28px; }
  .oem-grid { grid-template-columns:1fr; }
  .fac-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:560px) {
  .prod-grid { grid-template-columns:1fr; }
  .fac-grid { grid-template-columns:1fr; }
  .pdetail-info h1 { font-size:1.7rem; }
}

/* ============================================================
   产品详情：一键分享 + Ask AI（高端医美风）
   ============================================================ */
.pdetail-actions { margin-top:6px; }
.pshare { margin-top:26px; padding-top:24px; border-top:1px solid var(--line); }
.pshare-row { display:flex; align-items:center; gap:9px; flex-wrap:wrap; }
.pshare-label { font-size:.82rem; font-weight:700; letter-spacing:.04em; color:var(--muted); margin-right:2px; }
.pshare-btn {
  width:40px; height:40px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center;
  border:1.5px solid var(--line); background:#fff; color:var(--teal-700); cursor:pointer; transition:.22s; padding:0;
}
.pshare-btn:hover { transform:translateY(-2px); border-color:var(--gold); color:#fff; background:linear-gradient(135deg,var(--gold),#cba87a); box-shadow:0 10px 22px -12px rgba(184,144,100,.85); }
.pshare-btn svg { width:18px; height:18px; display:block; }
.pshare-btn.saved { background:linear-gradient(135deg,var(--gold),#cba87a); color:#fff; border-color:var(--gold); }
.pshare-btn.copied { background:var(--teal-700); color:#fff; border-color:var(--teal-700); }

.pask-ai {
  margin-top:20px; border:1px solid #ecdfd0; border-radius:16px; padding:18px 20px;
  background:linear-gradient(150deg,#fffdfb,#f8f0e7);
}
.pask-head { display:flex; align-items:center; gap:8px; margin-bottom:6px; }
.pask-head b { font-size:.95rem; color:var(--teal-900); }
.pask-spark { color:var(--gold); font-size:1rem; }
.pask-hint { font-size:.82rem; color:var(--muted); margin:0 0 12px; line-height:1.6; }
.pask-btns { display:flex; gap:9px; flex-wrap:wrap; }
.pask-btn {
  display:inline-flex; align-items:center; gap:5px; font-size:.82rem; font-weight:700; color:var(--teal-800);
  border:1.5px solid var(--line); background:#fff; border-radius:999px; padding:8px 15px; transition:.2s;
}
.pask-btn:hover { border-color:var(--gold); color:#8a6438; transform:translateY(-1px); box-shadow:0 8px 18px -12px rgba(184,144,100,.8); }
@media (max-width:560px) {
  .pshare-btn { width:38px; height:38px; }
  .pask-ai { padding:15px 16px; }
}