/* LP Static — 照抄现站 lpfapeptide.com（参考物）的静态原型样式
   本项目品牌 LPFAPEPTIDE / lpfapeptide.com
   设计令牌来自现站：ink #071b3b / teal #1f6f68 / gold #f1d475
   标题 Georgia 衬线，正文 Inter/系统字体 */
:root{
  --ink:#071b3b; --ink-2:#15252b;
  --teal:#1f6f68; --teal-dark:#086875; --teal-deep:#087565;
  --gold:#f1d475; --gold-soft:#fff6df;
  --text:#15252b; --muted:#536374; --muted-2:#64748b;
  --line:#dce3eb; --paper:#fff; --bg:#f7fafc;
  --radius:12px; --radius-sm:8px;
  --shadow:0 8px 24px rgba(7,27,59,.08);
  --serif:Georgia,"Times New Roman",serif;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--serif);color:var(--ink);letter-spacing:-.01em;margin:0}
:is(a,button,input,select):focus-visible{outline:3px solid #1195a2;outline-offset:2px}

/* Announcement bar */
.announce{background:var(--ink);color:#f4f7fb;font-size:11px;line-height:1.35;padding:7px 16px;text-align:center;display:flex;gap:7px;justify-content:center;align-items:center}
.announce strong{color:var(--gold);font-weight:800}

/* Header (pill) */
.header{position:sticky;top:12px;z-index:40;width:min(100% - 48px,1320px);margin:12px auto;min-height:56px;background:#fff;border-radius:999px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:6px 22px}
.brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:13px}
.brand img{width:34px;height:34px;object-fit:contain}
.brand small{display:block;color:var(--muted);font-weight:500;font-size:10px;letter-spacing:.02em}
.nav{display:flex;gap:26px;justify-content:center;font-size:14px;font-weight:600}
.nav a:hover{color:var(--teal-dark)}
.utilities{display:flex;justify-content:flex-end;align-items:center;gap:4px;position:relative}
.icon-btn{width:42px;height:42px;display:grid;place-items:center;border:0;background:none;cursor:pointer;color:#101b26;border-radius:50%}
.icon-btn:hover{color:var(--teal-dark);background:#edf3f6}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round}
.cart-badge{position:absolute;top:2px;right:2px;background:var(--ink);color:#fff;border-radius:50%;min-width:16px;height:16px;font-size:10px;font-weight:800;display:grid;place-items:center;padding:0 3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:6px;font:inherit;font-size:13px;font-weight:700;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#142d58}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:#185a55}
.btn-ghost{background:#fff;color:var(--ink);border-color:#aab9cd}
.btn-ghost:hover{background:#eef3f6}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-block{width:100%}

/* Layout helpers */
.wrap{width:min(100% - 48px,1200px);margin-inline:auto}
.section{padding:54px 0}
.eyebrow{color:var(--teal-dark);letter-spacing:.14em;text-transform:uppercase;font-size:10px;font-weight:850;display:block}
.center{text-align:center}
.muted{color:var(--muted)}

/* Hero */
.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:stretch;min-height:520px;padding:88px max(24px,calc(50% - 660px)) 40px;background:#d9e6ed;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url("assets/hero.png") center/cover no-repeat;z-index:0}
.hero>*{position:relative;z-index:1}
.hero-copy{background:rgba(7,27,59,.84);border-radius:24px;padding:36px}
.hero-copy h1{color:#fff;font-size:clamp(38px,3.4vw,50px);line-height:1.1;margin-bottom:18px}
.hero-copy .sub{font-family:var(--serif);color:#f0f4fa;font-size:clamp(20px,1.8vw,25px);font-weight:600;line-height:1.24;display:block}
.hero-copy p{color:#e0e9f5;max-width:560px;margin:18px 0 0;font-size:14px;line-height:1.6}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-cards{display:grid;gap:14px;align-content:start}
.hero-cards article{background:rgba(39,71,112,.92);border:1px solid rgba(182,199,220,.5);border-radius:20px;padding:20px;color:#fff}
.hero-cards .tag{color:var(--gold);background:rgba(227,203,112,.1);border:1px solid rgba(227,203,112,.44);border-radius:999px;padding:4px 10px;font-size:11px;font-weight:750}
.hero-cards h3{color:#fff;font-size:20px;margin:11px 0 6px}
.hero-cards p{color:#edf3fb;font-size:13px;line-height:1.5;margin:0}

/* Section headings */
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(28px,3vw,42px);line-height:1.15}
.sec-head p{color:var(--muted);font-size:14px;line-height:1.6;max-width:680px;margin:12px auto 0}

/* Supply model / assurance cards */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{font-size:20px;margin:14px 0 8px}
.card p{color:var(--muted);font-size:14px;line-height:1.55;margin:0}
.card ul{color:var(--muted);font-size:12px;line-height:1.5;margin:14px 0 0;padding-left:18px;display:grid;gap:6px}
.card li::marker{color:var(--gold)}
.num{width:26px;height:26px;background:var(--ink);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800}
.result{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--ink)!important;font-size:13px!important}
.eyebrow-pill{color:#846a00;background:var(--gold-soft);border-radius:999px;padding:5px 10px;font-size:10px;font-weight:800;letter-spacing:.06em;display:inline-flex;margin-top:12px}

/* Product rail/cards */
.rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.product-card{border:1px solid var(--line);border-radius:8px;padding:16px;display:flex;flex-direction:column;align-items:center;text-align:center;background:#fff;position:relative}
.product-card:hover{border-color:#9bafc2;box-shadow:var(--shadow)}
.pc-media{aspect-ratio:1;width:100%;background:#f4f5f6;border-radius:8px;display:grid;place-items:center;overflow:hidden;position:relative}
.pc-media img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pc-card,.pc-sku{position:absolute;top:8px;font-size:10px;font-weight:800;background:#fff;border:1px solid var(--line);border-radius:6px;padding:3px 6px}
.pc-card{left:8px;color:var(--teal-dark)}
.pc-sku{right:8px;color:var(--muted)}
.stock-overlay{position:absolute;inset:0;background:rgba(17,30,39,.56);color:#fff;display:grid;place-items:center;font-weight:900;font-size:13px;letter-spacing:.08em}
.product-card h3{font-family:var(--sans);font-size:16px;line-height:1.35;margin:14px 0 8px}
.product-card .price{font-weight:800;color:var(--ink);font-size:17px;margin-top:auto}
.product-card .instock{color:#26705b;font-size:11px;font-weight:750;margin-top:6px}

/* Catalog */
.catalog-hero{padding:40px 0 8px}
.catalog-hero h1{font-size:clamp(30px,3.4vw,44px)}
.catalog-layout{display:grid;grid-template-columns:240px 1fr;gap:28px;padding:24px 0 60px}
.filters{position:sticky;top:96px;align-self:start;border:1px solid var(--line);border-radius:12px;padding:18px}
.filters h4{font-family:var(--sans);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.filters ul{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:2px}
.filters li a{display:block;padding:8px 10px;border-radius:6px;font-size:13px;color:var(--ink-2)}
.filters li a:hover{background:#eef7f7;color:var(--teal-dark)}
.filters li a.on{background:var(--ink);color:#fff}
.filters .note{font-size:11px;color:var(--muted);line-height:1.45;border-top:1px solid var(--line);padding-top:12px}
.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.catalog-toolbar .count{color:var(--muted);font-size:13px}
select{font:inherit;font-size:13px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff}
.cat-row{display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;background:#fff}
.cat-row:hover{border-color:#9bafc2}
.cat-row .thumb{width:96px;height:96px;background:#f4f5f6;border-radius:8px;display:grid;place-items:center;overflow:hidden}
.cat-row .thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.cat-row .info h3{font-family:var(--sans);font-size:16px;margin:0 0 4px}
.cat-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);margin-bottom:6px}
.chip{background:#eef7f7;color:var(--teal-dark);border-radius:999px;padding:3px 8px;font-weight:700}
.chip.stock{background:#e9f8f1;color:#0a503a}
.cat-row .price{font-size:18px;font-weight:800;color:var(--ink);text-align:right;white-space:nowrap}

/* Breadcrumb */
.crumb{color:var(--muted);font-size:13px;padding:22px 0 6px}
.crumb a{color:var(--teal-dark);font-weight:600}
.crumb span{color:var(--muted)}

/* Product detail */
.pd-top{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:32px;padding-bottom:36px}
.pd-gallery{background:#f4f5f6;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;min-height:380px;padding:24px}
.pd-gallery img{max-height:360px;object-fit:contain;mix-blend-mode:multiply}
.pd-title h1{font-size:clamp(28px,3vw,38px);line-height:1.1}
.pd-title .strength{color:var(--muted);font-size:14px;margin-top:6px}
.pd-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.buybox{border:1px solid var(--line);border-radius:12px;padding:20px;position:sticky;top:96px;align-self:start}
.buybox .p{font-size:30px;font-weight:800;color:var(--ink)}
.buybox label{display:block;font-size:12px;font-weight:800;color:#32495b;margin:14px 0 6px}
.buybox select,.buybox input{width:100%;min-height:42px;padding:0 11px;border:1px solid #b9c8d2;border-radius:6px;font:inherit;font-size:15px}
.buybox .row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}
.summary-box{background:#f8fbfc;border:1px solid #d6e0e6;border-radius:7px;padding:14px;margin:16px 0;font-size:13px;color:#2b3f4e;display:grid;gap:6px}
.summary-box b{color:var(--ink)}
.pd-tabs{border-bottom:1px solid var(--line);display:flex;gap:22px;overflow-x:auto;margin-top:8px}
.pd-tabs a{padding:14px 0;font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent}
.pd-tabs a.on{color:var(--ink);border-color:var(--teal)}
.pd-body{max-width:820px;padding:28px 0 10px}
.pd-body h2{font-size:26px;margin:32px 0 12px}
.pd-body h2:first-child{margin-top:0}
.pd-body h3{font-family:var(--sans);font-size:16px;margin:22px 0 8px}
.pd-body p{color:#2b3f4e;line-height:1.7;font-size:14px;margin:0 0 12px}
.pd-body ul{color:#2b3f4e;line-height:1.7;font-size:14px;padding-left:20px}
.glance{display:grid;grid-template-columns:140px 1fr;font-size:13px;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:22px 0}
.glance div{padding:10px 14px;border-bottom:1px solid var(--line)}
.glance div:nth-child(odd){background:#f8fbfc;color:var(--muted);font-weight:600}
.glance div:nth-last-child(-n+2){border-bottom:0}

/* Reviews / rating */
.rating-top{display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}
.rating-score{font-family:var(--serif);font-size:44px;color:var(--ink)}
.bars{display:grid;gap:6px}
.bar{display:grid;grid-template-columns:16px 1fr 36px;gap:8px;align-items:center;font-size:11px;color:var(--muted)}
.bar .track{height:8px;background:#eef2f5;border-radius:999px;overflow:hidden}
.bar .fill{height:100%;background:#f59e0b}
.review{border-top:1px solid var(--line);padding:18px 0}
.review h4{font-family:var(--sans);font-size:14px;margin:6px 0}
.review p{color:#2b3f4e;font-size:13px;line-height:1.6;margin:6px 0 0}

/* Login */
.login-page{min-height:100vh;background:linear-gradient(120deg,#eef4f1,#f6efe4);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;padding:80px max(32px,calc(50% - 620px));position:relative}
.login-hero h1{font-size:clamp(36px,4.4vw,60px);line-height:1.05}
.login-hero p{color:var(--muted);font-size:16px;line-height:1.6;max-width:520px;margin:18px 0}
.login-feats{display:grid;gap:12px;margin-top:8px}
.login-feats div{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2)}
.tick{width:20px;height:20px;border-radius:50%;background:#dff3e6;color:#0a7a3e;display:grid;place-items:center;font-size:12px;font-weight:900}
.auth-card{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:32px;width:min(100%,430px);justify-self:center}
.auth-card h2{font-family:var(--sans);font-size:28px;margin-bottom:4px}
.auth-card .lead{color:var(--muted);font-size:13px;margin:0 0 18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:800;color:#32495b;margin-bottom:6px}
.field input{width:100%;min-height:46px;padding:0 12px;border:1px solid #cbd6df;border-radius:8px;font:inherit;font-size:15px}
.field input:focus{border-color:var(--teal);outline:3px solid rgba(31,111,104,.16)}
.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin:6px 0 16px}
.auth-row label{display:flex;gap:7px;align-items:center;color:var(--muted)}
.link{color:var(--teal-dark);font-weight:700}
.sep{text-align:center;color:var(--muted);font-size:12px;margin:16px 0;position:relative}
.sep::before,.sep::after{content:"";position:absolute;top:50%;width:36%;height:1px;background:var(--line)}
.sep::before{left:0}.sep::after{right:0}
.oauth{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:44px;border:1px solid #cbd6df;border-radius:8px;background:#fff;font:inherit;font-weight:600;cursor:pointer}
.auth-foot{text-align:center;font-size:13px;color:var(--muted);margin-top:18px}
.lang{position:absolute;top:28px;right:max(32px,calc(50% - 620px));display:flex;gap:8px;align-items:center;font-size:13px}
.lang select{border:1px solid var(--line);border-radius:6px;padding:7px 10px}

/* Cart */
.cart-page{padding:8px 0 60px}
.cart-note{background:#eef3f6;border:1px solid #d6e0e6;border-radius:8px;padding:12px 14px;font-size:13px;color:#31545b;margin:14px 0}
.cart-panel{border:1px solid var(--line);border-radius:10px;padding:40px;text-align:center;color:var(--muted)}
.cart-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.cart-item{display:grid;grid-template-columns:84px 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:10px}
.cart-item .thumb{width:84px;height:84px;background:#f4f5f6;border-radius:8px;display:grid;place-items:center}
.cart-item .thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.qty button{width:32px;height:34px;border:0;background:#f6f9fa;cursor:pointer;font-size:16px}
.qty span{width:38px;text-align:center;font-weight:700}
.cart-total{border:1px solid var(--line);border-radius:12px;padding:20px;position:sticky;top:96px}
.cart-total .line{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-bottom:10px}
.cart-total .grand{display:flex;justify-content:space-between;font-size:18px;font-weight:800;color:var(--ink);border-top:1px solid var(--line);padding-top:12px;margin-top:6px}

/* Footer */
.footer{background:var(--ink);color:#c6d3e5;border-radius:16px;width:min(100% - 48px,1200px);margin:56px auto 32px;padding:38px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.footer .fbrand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-family:var(--serif);font-size:24px}
.footer .fbrand img{width:52px;height:52px;border-radius:10px;background:#fff;padding:4px;object-fit:contain}
.footer .fbrand small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.1em;color:var(--gold);font-weight:700;margin-top:2px}
.footer .disc{color:#9fb1c9;font-size:12px;line-height:1.6;margin-top:14px;max-width:420px}
.footer h4{font-family:var(--sans);color:#8fa3bf;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px}
.footer nav{display:grid;gap:10px;font-size:13px}
.footer nav a:hover{color:#fff}
.footer .copy{grid-column:1/-1;border-top:1px solid rgba(159,177,201,.2);padding-top:18px;font-size:11px;color:#8194ad}

/* Floating support */
.support{position:fixed;right:24px;bottom:24px;background:var(--ink);color:#fff;border:0;border-radius:999px;min-height:50px;padding:0 20px;font:inherit;font-weight:800;font-size:13px;display:inline-flex;align-items:center;gap:9px;cursor:pointer;box-shadow:0 14px 34px rgba(11,29,60,.28);z-index:80}
.support svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}

@media(max-width:960px){
  .hero{grid-template-columns:1fr}
  .rail{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .catalog-layout{grid-template-columns:1fr}
  .filters{position:static}
  .pd-top{grid-template-columns:1fr}
  .buybox{position:static}
  .login-page{grid-template-columns:1fr;padding:100px 24px}
  .cart-layout{grid-template-columns:1fr}
  .cart-total{position:static}
  .footer{grid-template-columns:1fr}
  .nav{display:none}
  .header{grid-template-columns:auto 1fr auto}
}

/* ---- 首页横幅轮播 + 公告条 ---- */
.notice-strip{background:#fff7e8;border:1px solid #f4dfb4;color:#7a5a12;border-radius:10px;padding:10px 16px;font-size:13px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.notice-strip b{color:#b3791a}
.bnr{position:relative;height:300px;border-radius:16px;overflow:hidden;box-shadow:0 18px 44px rgba(11,29,60,.16)}
.bnr .slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:38px 46px;color:#fff;text-decoration:none;pointer-events:none}
.bnr .slide.on{opacity:1;pointer-events:auto}
.bnr .slide h3{font-size:clamp(24px,3vw,38px);margin:0 0 10px;color:#fff}
.bnr .slide p{margin:0;max-width:520px;color:#e6eef7;font-size:14px}
.bnr .slide .go{display:inline-flex;align-items:center;gap:8px;margin-top:16px;background:#f59e0b;color:#1b1a17;font-weight:800;font-size:13px;padding:10px 18px;border-radius:999px}
.bnr .slide .art{font-size:64px;line-height:1;opacity:.9}
.bnr .dots{position:absolute;left:46px;bottom:20px;display:flex;gap:8px;z-index:2}
.bnr .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer}
.bnr .dots i.on{background:#fff}
.bnr .pn{position:absolute;right:20px;bottom:16px;display:flex;gap:8px;z-index:2}
.bnr .pn button{width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.18);color:#fff;cursor:pointer;font-size:16px;line-height:1}
.bnr .pn button:hover{background:rgba(255,255,255,.34)}
@media(max-width:760px){.bnr{height:auto;min-height:300px}.bnr .slide{flex-direction:column;align-items:flex-start;padding:26px}.bnr .slide .art{font-size:44px}.bnr .dots{left:26px}}

/* 缺货标记 */
.chip.out{background:#fdeceb;color:#a33226}
.cat-row.out{opacity:.6}
.pc-out{color:#c0392b;font-size:11px;font-weight:750;margin-top:6px}
button[disabled]{cursor:not-allowed}