/* ============================================================
   AUREA · 奥芮雅 — 电商官网实验室 Demo 设计系统
   Tokens / Reset / Base / Header / Footer
   ============================================================ */
:root{
  --brand:#8f6a3f;
  --brand-deep:#75522e;
  --brand-light:#b1855a;
  --brand-soft:#f6eee3;
  --brand-tint:#faf4ea;
  --blush:#f7ecec;
  --alpine:#e8f0f2;
  --ink:#2b2724;
  --ink-2:#4a443e;
  --muted:#7d7468;
  --line:#e9e2d8;
  --line-soft:#f1ece4;
  --paper:#fffdfa;
  --mist:#f6f2ec;
  --mist-2:#faf8f3;
  --ok:#4d7a5d;
  --warn:#9a6a00;
  --font-serif:"Cormorant Garamond","Noto Serif SC","Songti SC","SimSun",serif;
  --font-cn-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Manrope","PingFang SC","Microsoft YaHei","Helvetica Neue",system-ui,-apple-system,sans-serif;
  --shadow-1:0 1px 2px rgba(43,39,36,.05),0 6px 18px rgba(43,39,36,.06);
  --shadow-2:0 14px 44px rgba(43,39,36,.12);
  --shadow-brand:0 10px 26px rgba(143,106,63,.30);
  --radius-s:6px;
  --radius-m:14px;
  --radius-l:22px;
  --container:1240px;
  --nav-h:78px;
  --ease:cubic-bezier(.22,.61,.36,1);
}/* 圆角规则：按钮=全圆角 / 卡片=14px / 输入框=10px / 图片=12px / 徽标=全圆角 */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:var(--font-sans);font-size:15px;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
h1,h2,h3,h4,h5{margin:0;line-height:1.18;font-weight:600;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
::selection{background:rgba(200,16,46,.16);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.serif{font-family:var(--font-serif);}
.cn-serif{font-family:var(--font-cn-serif);}
.muted{color:var(--muted);}
.brand{color:var(--brand);}
.small{font-size:13px;}
.hidden{display:none!important;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 30px;border-radius:999px;font-size:14px;font-weight:600;letter-spacing:.03em;white-space:nowrap;transition:transform .18s var(--ease),background .2s,color .2s,border-color .2s,box-shadow .2s;user-select:none;}
.btn:active{transform:translateY(1px) scale(.985);}
.btn svg{flex:none;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow-brand);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#000;}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(22,24,29,.28);}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff;}
.btn-outline-brand{background:transparent;color:var(--brand);border:1px solid var(--brand);}
.btn-outline-brand:hover{background:var(--brand);color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--mist);}
.btn-sm{height:40px;padding:0 20px;font-size:13px;}
.btn-lg{height:56px;padding:0 38px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;pointer-events:none;}

/* ---------- 表单 ---------- */
.field{display:block;margin-bottom:18px;}
.field-label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px;letter-spacing:.01em;}
.input,.select,.textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14px;color:var(--ink);transition:border-color .18s,box-shadow .18s;}
.textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.6;}
.input::placeholder,.textarea::placeholder{color:#9aa0ab;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,16,46,.10);}
.field-hint{font-size:12px;color:var(--muted);margin-top:6px;}
.field-error{font-size:12px;color:var(--brand);margin-top:6px;display:none;}
.field.invalid .field-error{display:block;}
.field.invalid .input,.field.invalid .select{border-color:var(--brand);}
.select-wrap{position:relative;}
.select-wrap::after{content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;border-right:1.6px solid var(--ink);border-bottom:1.6px solid var(--ink);transform:translateY(-70%) rotate(45deg);pointer-events:none;}
.select{appearance:none;padding-right:38px;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);}
.check-row input{width:16px;height:16px;margin-top:2px;accent-color:var(--brand);}

/* ---------- 徽标 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.08em;white-space:nowrap;}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.badge-ink{background:var(--ink);color:#fff;}
.badge-mist{background:var(--mist);color:var(--muted);border:1px solid var(--line);}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;}
.tag-done{background:rgba(31,122,77,.10);color:var(--ok);}
.tag-plan{background:var(--mist);color:var(--muted);border:1px solid var(--line);}
.tag-soon{background:rgba(154,106,0,.10);color:var(--warn);}

/* ---------- 顶栏公告 ---------- */
.announce{background:var(--ink);color:rgba(255,255,255,.86);font-size:12.5px;letter-spacing:.02em;}
.announce-inner{display:flex;align-items:center;justify-content:center;gap:10px;min-height:38px;padding:6px 32px;text-align:center;}
.announce a{color:#fff;font-weight:600;text-decoration:underline;text-underline-offset:3px;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);border-bottom:1px solid var(--line-soft);}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.logo{display:inline-flex;flex-direction:column;line-height:1;margin-right:8px;}
.logo-main{font-family:var(--font-serif);font-size:30px;font-weight:600;letter-spacing:.14em;color:var(--brand);}
.logo-sub{font-size:9.5px;letter-spacing:.62em;color:var(--muted);margin-top:3px;padding-left:2px;}
.nav-links{display:flex;align-items:center;gap:30px;margin:0 auto;}
.nav-link{position:relative;font-size:14px;font-weight:600;color:var(--ink);padding:10px 2px;letter-spacing:.02em;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--brand);transition:right .25s var(--ease);}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after{right:0;}
.nav-link.active{color:var(--brand);}
.has-drop{position:relative;}
.mega{position:absolute;left:50%;top:calc(100% + 12px);transform:translateX(-50%) translateY(8px);width:560px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-m);box-shadow:var(--shadow-2);padding:26px 30px;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;}
.has-drop:hover .mega,.has-drop:focus-within .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;}
.mega-link{display:flex;align-items:baseline;gap:10px;padding:9px 8px;border-radius:10px;font-size:14px;font-weight:500;}
.mega-link:hover{background:var(--mist-2);}
.mega-link b{font-weight:600;}
.mega-link span{font-size:12px;color:var(--muted);}
.mega-feat{display:flex;align-items:center;gap:14px;margin-top:16px;padding:14px;border-radius:12px;background:var(--brand-tint);}
.mega-feat img,.mega-feat svg{width:58px;height:64px;object-fit:contain;}
.mega-feat b{display:block;font-size:13.5px;}
.mega-feat span{font-size:12px;color:var(--muted);}
.nav-actions{display:flex;align-items:center;gap:4px;}
.icon-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;color:var(--ink);transition:background .18s;}
.icon-btn:hover{background:var(--mist);}
.bag-count{position:absolute;top:2px;right:0;min-width:17px;height:17px;padding:0 4px;border-radius:999px;background:var(--brand);color:#fff;font-size:10.5px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid #fff;}
.lang-switch{display:inline-flex;align-items:center;gap:2px;height:38px;padding:0 4px;border-radius:999px;background:var(--mist);font-size:12px;font-weight:700;}
.lang-btn{height:30px;padding:0 11px;border-radius:999px;color:var(--muted);transition:all .18s;}
.lang-btn.active{background:#fff;color:var(--brand);box-shadow:var(--shadow-1);}
.menu-btn{display:none;}

/* ---------- 移动端抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(22,24,29,.4);z-index:80;opacity:0;visibility:hidden;transition:opacity .25s;}
.drawer-overlay.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:#fff;z-index:81;transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:22px 26px;overflow-y:auto;}
.drawer.open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:var(--mist);}
.drawer-nav a{display:block;padding:14px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line-soft);}
.drawer-sub{padding-left:16px;}
.drawer-sub a{font-size:14px;color:var(--muted);font-weight:500;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);margin-top:0;}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding:72px 0 48px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.55);max-width:280px;margin-top:14px;line-height:1.8;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{width:36px;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;color:#fff;transition:background .18s,border-color .18s;}
.footer-social a:hover{background:var(--brand);border-color:var(--brand);}
.footer-col h4{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.5);margin-bottom:18px;font-weight:700;}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.78);padding:5px 0;transition:color .15s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.5);}
.footer-bottom .lang-switch{background:rgba(255,255,255,.08);}
.footer-bottom .lang-btn{color:rgba(255,255,255,.6);}
.footer-bottom .lang-btn.active{background:rgba(255,255,255,.12);color:#fff;}
.fineprint{font-size:11px;line-height:1.9;color:rgba(255,255,255,.38);padding-bottom:26px;max-width:1100px;}
/* ============================================================
   通用区块 / 组件
   ============================================================ */
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head h2{font-size:clamp(30px,3.6vw,44px);font-weight:500;letter-spacing:.01em;}
.section-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.24em;color:var(--brand);margin-bottom:14px;}
.section-eyebrow::before{content:"";width:26px;height:1.5px;background:var(--brand);}
.section-link{font-size:13.5px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:4px;white-space:nowrap;transition:color .18s,border-color .18s;}
.section-link:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fdfbfa 0%,#f8f6f5 60%,#f4f2f1 100%);}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 420px at 78% 30%,rgba(200,16,46,.07),transparent 60%),radial-gradient(480px 360px at 88% 80%,rgba(200,16,46,.05),transparent 60%);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:calc(100vh - var(--nav-h) - 38px);padding:56px 0;}
.hero-copy{max-width:600px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:700;letter-spacing:.26em;color:var(--brand);margin-bottom:22px;}
.hero-eyebrow::before{content:"";width:34px;height:1.5px;background:var(--brand);}
.hero h1{font-size:clamp(44px,5.4vw,72px);font-weight:500;line-height:1.06;letter-spacing:.005em;}
.hero h1 em{font-style:italic;color:var(--brand);}
.hero-lead{margin-top:22px;font-size:16.5px;color:var(--muted);max-width:50ch;line-height:1.8;}
.hero-ctas{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-notes{margin-top:22px;font-size:12px;color:var(--muted);}
.hero-stats{display:flex;gap:0;margin-top:52px;border-top:1px solid var(--line);padding-top:26px;max-width:560px;}
.hero-stat{flex:1;padding:0 20px;border-right:1px solid var(--line);}
.hero-stat:first-child{padding-left:0;}
.hero-stat:last-child{border-right:0;padding-right:0;}
.hero-stat b{display:block;font-family:var(--font-serif);font-size:34px;font-weight:600;color:var(--ink);line-height:1;}
.hero-stat span{font-size:12px;color:var(--muted);margin-top:8px;display:block;}
.hero-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:520px;}
.hero-glow{position:absolute;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.95),rgba(240,214,217,.55) 55%,rgba(226,180,186,.25));filter:blur(6px);}
.hero-art .product-svg{position:relative;width:340px;height:440px;filter:drop-shadow(0 30px 40px rgba(120,40,50,.22));animation:float 7s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-chip{position:absolute;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.9);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-1);animation:float 6s ease-in-out infinite;}
.hero-chip b{display:block;font-size:13px;line-height:1.3;}
.hero-chip span{font-size:11px;color:var(--muted);}
.hero-chip.c1{top:12%;left:2%;animation-delay:.6s;}
.hero-chip.c2{bottom:16%;right:0;animation-delay:1.4s;}
.hero-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);}

/* ---------- 滚动条幅 ---------- */
.marquee{background:var(--brand);color:#fff;overflow:hidden;padding:13px 0;position:relative;}
.marquee-track{display:flex;gap:0;width:max-content;animation:marquee 26s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
.marquee-track span{display:inline-flex;align-items:center;gap:26px;padding:0 26px;font-size:13px;font-weight:600;letter-spacing:.12em;white-space:nowrap;}
.marquee-track span::after{content:"✦";font-size:11px;opacity:.7;}
@keyframes marquee{to{transform:translateX(-50%);}}

/* ---------- 商品卡片 ---------- */
.product-card{position:relative;display:flex;flex-direction:column;}
.pc-media{position:relative;border-radius:var(--radius-m);background:linear-gradient(180deg,var(--mist-2),var(--mist));overflow:hidden;aspect-ratio:4/4.6;display:flex;align-items:center;justify-content:center;transition:background .3s;}
.pc-media .product-svg{width:72%;height:78%;transition:transform .5s var(--ease);}
.product-card:hover .pc-media .product-svg{transform:translateY(-6px) scale(1.03);}
.pc-badge{position:absolute;top:14px;left:14px;z-index:2;}
.pc-tags{position:absolute;top:14px;right:14px;z-index:2;display:flex;flex-direction:column;gap:6px;align-items:flex-end;}
.pc-quick{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;transform:translateY(8px);opacity:0;transition:all .28s var(--ease);}
.product-card:hover .pc-quick{transform:none;opacity:1;}
.pc-info{padding:16px 2px 0;}
.pc-cat{font-size:11px;letter-spacing:.18em;color:var(--muted);font-weight:700;text-transform:uppercase;}
.pc-name{font-family:var(--font-cn-serif);font-size:16.5px;font-weight:600;margin-top:6px;line-height:1.4;}
.pc-en{font-size:11px;color:var(--muted);letter-spacing:.04em;margin-top:2px;}
.pc-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px;}
.pc-price{font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--brand);}
.pc-rating{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);}
.stars{color:#d9a441;letter-spacing:1px;font-size:12.5px;}
.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.grid-products.g3{grid-template-columns:repeat(3,1fr);}

/* ---------- 分类瓷砖 ---------- */
.cat-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat-tile{position:relative;border-radius:var(--radius-m);overflow:hidden;aspect-ratio:4/3.4;background:var(--mist);display:flex;align-items:flex-end;}
.cat-tile .product-svg{position:absolute;right:-6%;top:-4%;width:60%;transform:rotate(-6deg);transition:transform .5s var(--ease);}
.cat-tile:hover .product-svg{transform:rotate(-3deg) scale(1.05);}
.cat-tile .ct-info{position:relative;z-index:2;padding:22px;width:100%;}
.cat-tile b{font-family:var(--font-cn-serif);font-size:19px;font-weight:600;display:block;}
.cat-tile span{font-size:12.5px;color:var(--muted);display:block;margin-top:4px;}
.cat-tile .ct-arrow{position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:999px;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1);z-index:2;transition:background .2s,color .2s;color:var(--ink);}
.cat-tile:hover .ct-arrow{background:var(--brand);color:#fff;}

/* ---------- 特性分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
.split-media{position:relative;border-radius:var(--radius-l);overflow:hidden;background:linear-gradient(160deg,#f7f2f2,#efe4e5);aspect-ratio:4/4.4;display:flex;align-items:center;justify-content:center;}
.split-media .product-svg{width:64%;height:70%;}
.split-media .sm-chip{position:absolute;background:rgba(255,255,255,.9);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-1);font-size:12px;color:var(--muted);}
.split-media .sm-chip b{display:block;color:var(--ink);font-size:13.5px;}
.split-media .sm-chip.sc1{top:16%;left:8%;}
.split-media .sm-chip.sc2{bottom:12%;right:6%;}
.split-copy h2{font-size:clamp(30px,3.4vw,42px);font-weight:500;margin-bottom:18px;}
.split-copy .lead{color:var(--muted);font-size:15.5px;line-height:1.85;max-width:52ch;}
.steps-list{counter-reset:st;margin-top:34px;}
.steps-list li{counter-increment:st;position:relative;padding:0 0 26px 58px;border-left:1px solid var(--line);margin-left:13px;}
.steps-list li:last-child{padding-bottom:4px;border-left-color:transparent;}
.steps-list li::before{content:counter(st,decimal-leading-zero);position:absolute;left:-13px;top:-2px;width:26px;height:26px;border-radius:999px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:12.5px;font-weight:600;color:var(--brand);}
.steps-list b{display:block;font-size:15.5px;}
.steps-list span{font-size:13.5px;color:var(--muted);display:block;margin-top:3px;line-height:1.7;}

/* ---------- 深红数据带 ---------- */
.stats-band{background:linear-gradient(120deg,var(--brand) 0%,#9d1c2a 100%);color:#fff;padding:76px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center;}
.stats-grid b{display:block;font-family:var(--font-serif);font-size:clamp(38px,4vw,56px);font-weight:500;line-height:1;}
.stats-grid span{font-size:13px;color:rgba(255,255,255,.8);margin-top:12px;display:block;letter-spacing:.04em;}

/* ---------- 会员权益 ---------- */
.perks{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
.perk{padding:8px 28px;border-left:1px solid var(--line);}
.perk:first-child{border-left:0;padding-left:0;}
.perk .perk-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.perk b{font-size:16.5px;font-weight:600;}
.perk p{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.75;}

/* ---------- CTA 带 ---------- */
.cta-band{background:linear-gradient(180deg,#fafafa,#f2f2f4);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding:72px 0;}
.cta-inner h2{font-size:clamp(28px,3.2vw,40px);font-weight:500;line-height:1.25;}
.cta-inner p{color:var(--muted);margin-top:14px;max-width:46ch;font-size:15px;line-height:1.8;}
.cta-art{display:flex;align-items:center;justify-content:center;}
.cta-art .product-svg{width:240px;height:300px;}

/* ---------- 手风琴 ---------- */
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 2px;font-size:14.5px;font-weight:600;text-align:left;}
.acc-head .acc-icon{width:22px;height:22px;flex:none;display:flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--line);transition:transform .25s var(--ease),background .2s,color .2s,border-color .2s;}
.acc-item.open .acc-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff;}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease);}
.acc-item.open .acc-body{grid-template-rows:1fr;}
.acc-body-inner{overflow:hidden;}
.acc-body-inner p,.acc-body-inner li{font-size:13.5px;color:var(--muted);line-height:1.85;}
.acc-body-inner{padding:0 2px 20px;}

/* ---------- 页头横幅 ---------- */
.page-hero{padding:72px 0 56px;border-bottom:1px solid var(--line-soft);background:linear-gradient(180deg,#fafafa,#fff);}
.page-hero h1{font-size:clamp(34px,4vw,52px);font-weight:500;}
.page-hero .crumb{font-size:12.5px;color:var(--muted);margin-bottom:16px;letter-spacing:.03em;}
.page-hero .crumb a:hover{color:var(--brand);}
.page-hero .sub{margin-top:12px;color:var(--muted);font-size:15px;max-width:60ch;line-height:1.8;}

/* ---------- Toast / 弹窗 ---------- */
#toast-root{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none;}
.toast{background:var(--ink);color:#fff;font-size:13.5px;padding:13px 22px;border-radius:999px;box-shadow:var(--shadow-2);display:flex;align-items:center;gap:10px;animation:toastIn .3s var(--ease);max-width:min(92vw,460px);}
.toast.out{animation:toastOut .3s var(--ease) forwards;}
.toast .toast-dot{width:8px;height:8px;border-radius:50%;background:#7ed3a0;flex:none;}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(8px)}}
.modal-overlay{position:fixed;inset:0;background:rgba(22,24,29,.46);z-index:110;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all .25s;}
.modal-overlay.open{opacity:1;visibility:visible;}
.modal{background:#fff;border-radius:var(--radius-l);max-width:520px;width:100%;padding:34px;transform:translateY(14px) scale(.98);transition:transform .25s var(--ease);max-height:88vh;overflow-y:auto;}
.modal-overlay.open .modal{transform:none;}
.modal h3{font-size:21px;font-weight:600;}
.modal .modal-body{color:var(--muted);font-size:14px;line-height:1.8;margin-top:12px;}

/* ---------- 空状态 / 骨架 ---------- */
.empty{padding:80px 20px;text-align:center;color:var(--muted);}
.empty .empty-icon{width:76px;height:76px;margin:0 auto 22px;border-radius:999px;background:var(--mist);display:flex;align-items:center;justify-content:center;color:var(--muted);}
.empty h3{color:var(--ink);font-size:19px;font-weight:600;margin-bottom:8px;}
.empty p{font-size:13.5px;max-width:40ch;margin:0 auto 24px;}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}

/* ---------- 演示说明 ---------- */
.demo-note{display:flex;gap:12px;align-items:flex-start;background:var(--mist-2);border:1px dashed var(--line);border-radius:var(--radius-m);padding:16px 18px;font-size:13px;color:var(--muted);line-height:1.75;}
.demo-note svg{flex:none;color:var(--brand);margin-top:2px;}
.demo-note b{color:var(--ink);}
/* ============================================================
   页面级样式
   ============================================================ */
/* ---------- 产品列表 ---------- */
.pl-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);transition:all .18s;background:#fff;}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.pl-count{font-size:13px;color:var(--muted);}

/* ---------- 产品详情 ---------- */
.pd-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;padding:56px 0 96px;}
.pd-gallery{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start;}
.pd-main-img{position:relative;border-radius:var(--radius-l);background:linear-gradient(180deg,var(--mist-2),var(--mist));aspect-ratio:4/4.5;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.pd-main-img .product-svg{width:64%;height:70%;transition:transform .5s var(--ease);}
.pd-main-img:hover .product-svg{transform:scale(1.05);}
.pd-thumbs{display:flex;gap:12px;margin-top:14px;}
.pd-thumb{width:74px;height:84px;border-radius:12px;background:var(--mist);display:flex;align-items:center;justify-content:center;border:1px solid transparent;cursor:pointer;overflow:hidden;transition:border-color .2s;}
.pd-thumb .product-svg{width:82%;height:82%;}
.pd-thumb.active{border-color:var(--brand);}
.pd-info .crumb{margin-bottom:18px;}
.pd-cat{font-size:11.5px;letter-spacing:.22em;color:var(--brand);font-weight:700;text-transform:uppercase;}
.pd-name{font-size:clamp(28px,3vw,38px);font-weight:500;margin-top:10px;line-height:1.2;}
.pd-en{font-family:var(--font-serif);font-style:italic;font-size:16px;color:var(--muted);margin-top:6px;}
.pd-rating{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--muted);}
.pd-price{margin-top:22px;font-family:var(--font-serif);font-size:32px;font-weight:600;color:var(--brand);}
.pd-price small{font-size:13px;color:var(--muted);font-weight:500;margin-left:6px;}
.pd-desc{margin-top:18px;color:var(--muted);font-size:14.5px;line-height:1.85;max-width:52ch;}
.pd-options{margin-top:26px;}
.pd-opt-label{font-size:13px;font-weight:600;margin-bottom:10px;display:flex;justify-content:space-between;}
.pd-opt-label span{color:var(--muted);font-weight:500;}
.size-pills{display:flex;gap:10px;flex-wrap:wrap;}
.size-pill{min-width:64px;height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13.5px;font-weight:600;transition:all .18s;background:#fff;}
.size-pill:hover{border-color:var(--ink);}
.size-pill.active{border-color:var(--brand);color:var(--brand);background:var(--brand-tint);box-shadow:0 0 0 1px var(--brand) inset;}
.qty-stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:10px;height:50px;}
.qty-stepper button{width:44px;height:100%;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2);transition:background .15s;}
.qty-stepper button:hover{background:var(--mist);}
.qty-stepper input{width:44px;height:100%;text-align:center;border:0;font-weight:700;font-size:14px;background:transparent;}
.pd-ctas{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.pd-ctas .btn{flex:1;min-width:200px;}
.pd-trust{display:flex;gap:24px;margin-top:26px;flex-wrap:wrap;}
.pd-trust span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);}
.pd-trust svg{color:var(--brand);}
.pd-details{margin-top:34px;}
.pd-note{margin-top:20px;}

/* ---------- 购物袋 ---------- */
.bag-layout{display:grid;grid-template-columns:1.5fr .85fr;gap:48px;padding:56px 0 96px;align-items:start;}
.bag-items{border-top:1px solid var(--line);}
.bag-item{display:grid;grid-template-columns:104px 1fr auto;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);align-items:center;}
.bag-item-img{width:104px;height:120px;border-radius:12px;background:var(--mist);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.bag-item-img .product-svg{width:86%;height:86%;}
.bi-name{font-family:var(--font-cn-serif);font-size:15.5px;font-weight:600;}
.bi-en{font-size:11.5px;color:var(--muted);margin-top:2px;}
.bi-meta{display:flex;gap:18px;margin-top:10px;font-size:12.5px;color:var(--muted);}
.bi-qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;height:34px;margin-top:12px;}
.bi-qty button{width:30px;height:100%;font-size:15px;color:var(--ink-2);}
.bi-qty button:hover{background:var(--mist);}
.bi-qty input{width:32px;height:100%;text-align:center;border:0;font-size:13px;font-weight:700;background:transparent;}
.bi-right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.bi-price{font-family:var(--font-serif);font-size:18px;font-weight:600;}
.bi-remove{font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;}
.bi-remove:hover{color:var(--brand);}
.bag-summary{position:sticky;top:calc(var(--nav-h) + 24px);background:var(--mist-2);border:1px solid var(--line-soft);border-radius:var(--radius-l);padding:30px;}
.bag-summary h3{font-size:19px;font-weight:600;margin-bottom:22px;}
.sum-row{display:flex;justify-content:space-between;font-size:14px;padding:9px 0;color:var(--muted);}
.sum-row.total{border-top:1px solid var(--line);margin-top:12px;padding-top:18px;color:var(--ink);font-size:16px;font-weight:700;}
.sum-row.total b{font-family:var(--font-serif);font-size:24px;color:var(--brand);}
.promo{display:flex;gap:10px;margin:16px 0 20px;}
.promo .input{flex:1;height:44px;}
.promo .btn{height:44px;padding:0 20px;flex:none;}
.sum-note{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.7;}

/* ---------- 结算 ---------- */
.steps{display:flex;align-items:center;justify-content:center;gap:0;margin:44px 0 12px;}
.step{display:flex;align-items:center;gap:10px;color:var(--muted);}
.step .step-num{width:30px;height:30px;border-radius:999px;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;transition:all .25s;}
.step .step-label{font-size:13px;font-weight:600;}
.step.active{color:var(--ink);}
.step.active .step-num{background:var(--brand);border-color:var(--brand);color:#fff;}
.step.done .step-num{background:var(--ink);border-color:var(--ink);color:#fff;}
.step-line{width:56px;height:1.5px;background:var(--line);margin:0 16px;}
.step.done~.step-line,.step.active~.step-line{background:var(--line);}
.checkout-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;padding:36px 0 96px;align-items:start;}
.co-panel{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-l);padding:30px;margin-bottom:22px;}
.co-panel h3{font-size:17px;font-weight:600;margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.co-panel h3 .co-num{width:24px;height:24px;border-radius:999px;background:var(--brand);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700;}
.co-2col{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;}
.pay-options{display:flex;flex-direction:column;gap:12px;}
.pay-option{display:flex;align-items:center;gap:16px;border:1.5px solid var(--line);border-radius:var(--radius-m);padding:16px 18px;cursor:pointer;transition:all .18s;}
.pay-option:hover{border-color:var(--ink-2);}
.pay-option.active{border-color:var(--brand);background:var(--brand-tint);box-shadow:0 0 0 1px var(--brand) inset;}
.pay-option input{accent-color:var(--brand);width:17px;height:17px;}
.pay-logo{width:44px;height:44px;border-radius:10px;background:#fff;border:1px solid var(--line-soft);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;letter-spacing:.02em;color:var(--ink-2);flex:none;}
.pay-name b{display:block;font-size:14px;font-weight:600;}
.pay-name span{font-size:12px;color:var(--muted);}
.co-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:6px;flex-wrap:wrap;}
.ship-options{display:flex;flex-direction:column;gap:10px;}
.ship-option{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1.5px solid var(--line);border-radius:var(--radius-m);padding:14px 18px;cursor:pointer;transition:all .18s;}
.ship-option:hover{border-color:var(--ink-2);}
.ship-option.active{border-color:var(--brand);background:var(--brand-tint);box-shadow:0 0 0 1px var(--brand) inset;}
.ship-option input{accent-color:var(--brand);width:16px;height:16px;}
.ship-info b{display:block;font-size:14px;}
.ship-info span{font-size:12.5px;color:var(--muted);}
.ship-price{font-size:14px;font-weight:700;}

/* ---------- 订单成功 ---------- */
.success-wrap{padding:80px 0 110px;text-align:center;}
.success-icon{width:84px;height:84px;margin:0 auto 26px;border-radius:999px;background:rgba(31,122,77,.1);color:var(--ok);display:flex;align-items:center;justify-content:center;}
.success-wrap h1{font-size:clamp(30px,3.6vw,42px);font-weight:500;}
.success-wrap .sub{color:var(--muted);margin-top:12px;font-size:15px;}
.order-card{margin:36px auto 0;max-width:560px;text-align:left;border:1px solid var(--line-soft);border-radius:var(--radius-l);overflow:hidden;}
.order-card-head{background:var(--mist-2);padding:18px 26px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted);}
.order-card-head b{color:var(--ink);}
.order-card-body{padding:22px 26px;}
.timeline{position:relative;padding-left:24px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1.5px;background:var(--line);}
.tl-item{position:relative;padding:0 0 20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-24px;top:4px;width:13px;height:13px;border-radius:50%;background:#fff;border:2px solid var(--line);}
.tl-item.now::before{border-color:var(--brand);background:var(--brand);box-shadow:0 0 0 4px rgba(200,16,46,.15);}
.tl-item b{display:block;font-size:13.5px;}
.tl-item span{font-size:12px;color:var(--muted);}

/* ---------- 登录 / 注册 ---------- */
.auth-wrap{max-width:460px;margin:64px auto 96px;}
.auth-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-l);padding:40px;box-shadow:var(--shadow-1);}
.auth-card h1{font-size:26px;font-weight:600;text-align:center;}
.auth-card .auth-sub{text-align:center;color:var(--muted);font-size:13.5px;margin-top:8px;}
.auth-tabs{display:flex;background:var(--mist);border-radius:999px;padding:4px;margin:26px 0 24px;}
.auth-tabs button{flex:1;height:40px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--muted);transition:all .2s;}
.auth-tabs button.active{background:#fff;color:var(--brand);box-shadow:var(--shadow-1);}
.auth-divider{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:12px;margin:22px 0;}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line);}
.auth-social{display:flex;gap:12px;}
.auth-social button{flex:1;height:46px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:13.5px;font-weight:600;transition:all .18s;background:#fff;}
.auth-social button:hover{border-color:var(--ink);}

/* ---------- 会员中心 ---------- */
.account-layout{display:grid;grid-template-columns:240px 1fr;gap:44px;padding:52px 0 96px;align-items:start;}
.account-side{position:sticky;top:calc(var(--nav-h) + 24px);}
.acct-user{display:flex;align-items:center;gap:14px;padding:18px;background:var(--mist-2);border:1px solid var(--line-soft);border-radius:var(--radius-m);margin-bottom:18px;}
.acct-avatar{width:46px;height:46px;border-radius:999px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:none;}
.acct-user b{display:block;font-size:14.5px;}
.acct-user span{font-size:12px;color:var(--muted);}
.acct-tabs{display:flex;flex-direction:column;gap:4px;}
.acct-tab{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--ink-2);transition:all .18s;text-align:left;}
.acct-tab:hover{background:var(--mist);}
.acct-tab.active{background:var(--brand-tint);color:var(--brand);font-weight:600;}
.acct-tab .tab-count{margin-left:auto;font-size:11.5px;background:var(--mist);border-radius:999px;padding:2px 8px;color:var(--muted);}
.acct-tab.active .tab-count{background:var(--brand);color:#fff;}
.acct-content h2{font-size:24px;font-weight:600;margin-bottom:6px;}
.acct-content .acct-sub{color:var(--muted);font-size:13.5px;margin-bottom:28px;}
.order-card-2{border:1px solid var(--line-soft);border-radius:var(--radius-m);margin-bottom:18px;overflow:hidden;}
.oc-head{display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--mist-2);padding:14px 20px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.oc-head b{color:var(--ink);font-weight:600;}
.status-badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;font-size:11.5px;font-weight:700;}
.status-delivered{background:rgba(31,122,77,.1);color:var(--ok);}
.status-shipped{background:rgba(31,120,255,.08);color:#1e5fb4;}
.status-processing{background:rgba(154,106,0,.1);color:var(--warn);}
.status-aftersale{background:var(--brand-soft);color:var(--brand);}
.oc-body{display:flex;justify-content:space-between;gap:20px;padding:18px 20px;align-items:center;}
.oc-items{display:flex;align-items:center;gap:12px;flex:1;min-width:0;}
.oc-items .product-svg{width:44px;height:54px;}
.oc-items .oc-name{font-size:13.5px;font-weight:600;}
.oc-items .oc-meta{font-size:12px;color:var(--muted);margin-top:2px;}
.oc-total{text-align:right;font-size:13px;color:var(--muted);white-space:nowrap;}
.oc-total b{display:block;font-family:var(--font-serif);font-size:18px;color:var(--ink);font-weight:600;}
.oc-actions{display:flex;gap:10px;padding:0 20px 18px;}
.oc-actions .btn{height:38px;padding:0 18px;font-size:12.5px;}

/* ---------- 法律页面 ---------- */
.legal-layout{display:grid;grid-template-columns:240px 1fr;gap:56px;padding:56px 0 100px;align-items:start;}
.legal-toc{position:sticky;top:calc(var(--nav-h) + 24px);}
.legal-toc h4{font-size:12px;letter-spacing:.16em;color:var(--muted);margin-bottom:14px;font-weight:700;}
.legal-toc a{display:block;padding:7px 0;font-size:13.5px;color:var(--ink-2);border-left:2px solid transparent;padding-left:12px;transition:all .15s;}
.legal-toc a:hover{color:var(--brand);}
.legal-toc a.active{color:var(--brand);border-left-color:var(--brand);font-weight:600;}
.legal-article{max-width:760px;}
.legal-article h1{font-size:clamp(30px,3.4vw,42px);font-weight:500;}
.legal-meta{display:flex;gap:10px;align-items:center;margin:18px 0 26px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.legal-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--line);}
.legal-article h2{font-size:21px;font-weight:600;margin:44px 0 14px;padding-top:6px;}
.legal-article h3{font-size:16.5px;font-weight:600;margin:26px 0 10px;}
.legal-article p{font-size:14.5px;color:var(--ink-2);line-height:1.95;margin-bottom:14px;}
.legal-article ul,.legal-article ol{margin:0 0 16px;padding-left:22px;}
.legal-article li{font-size:14.5px;color:var(--ink-2);line-height:1.9;margin-bottom:6px;}
.legal-article .legal-sub{color:var(--muted);font-size:13px;line-height:1.9;background:var(--mist-2);border-left:3px solid var(--brand);padding:14px 18px;border-radius:0 10px 10px 0;margin:18px 0;}

/* ---------- 技术方案页 ---------- */
.tech-hero{background:linear-gradient(180deg,#f7f7f8,#fff);border-bottom:1px solid var(--line-soft);}
.tech-hero-inner{padding:84px 0 64px;max-width:860px;}
.tech-hero h1{font-size:clamp(34px,4.2vw,54px);font-weight:500;}
.tech-hero p{margin-top:18px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:70ch;}
.tech-index{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;}
.tech-index a{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-m);padding:18px 20px;transition:all .2s;}
.tech-index a:hover{border-color:var(--brand);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.tech-index b{display:block;font-size:14px;}
.tech-index span{font-size:12px;color:var(--muted);}
.tech-index .ti-num{font-family:var(--font-serif);font-size:26px;color:var(--brand);font-weight:600;flex:none;}
.tech-body{padding:88px 0 110px;}
.tech-block{max-width:960px;margin:0 auto 90px;}
.tech-block:last-child{margin-bottom:0;}
.tb-head{display:flex;align-items:flex-start;gap:22px;margin-bottom:36px;}
.tb-num{font-family:var(--font-serif);font-size:44px;font-weight:500;color:var(--brand);line-height:1;flex:none;width:64px;}
.tb-title h2{font-size:clamp(24px,3vw,32px);font-weight:600;}
.tb-title p{color:var(--muted);font-size:14px;margin-top:8px;max-width:60ch;}
.tb-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:6px;}
.tb-item{background:var(--mist-2);border:1px solid var(--line-soft);border-radius:var(--radius-m);padding:24px;}
.tb-item h3{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;margin-bottom:10px;}
.tb-item h3 svg{color:var(--brand);flex:none;}
.tb-item p{font-size:13px;color:var(--muted);line-height:1.85;}
.tb-item .tb-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap;}
.tb-wide{grid-column:1 / -1;}
.demo-map{margin-top:26px;border:1px solid var(--line-soft);border-radius:var(--radius-m);overflow:hidden;}
.demo-map table{width:100%;border-collapse:collapse;font-size:13px;}
.demo-map th,.demo-map td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line-soft);}
.demo-map th{background:var(--mist-2);font-size:12px;letter-spacing:.06em;color:var(--muted);font-weight:700;}
.demo-map td:first-child{font-weight:600;}
.demo-map td .tag{margin-right:6px;}
.demo-map tr:last-child td{border-bottom:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .grid-products{grid-template-columns:repeat(3,1fr);}
  .cat-tiles{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px;}
  .pd-layout,.split,.cta-inner,.hero-inner{gap:40px;}
}
@media (max-width:920px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;padding:48px 0 72px;min-height:auto;}
  .hero-art{min-height:420px;order:-1;}
  .hero h1{font-size:44px;}
  .hero-stats{margin-top:38px;}
  .grid-products,.grid-products.g3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .perks{grid-template-columns:1fr;gap:24px;}
  .perk{border-left:0;border-top:1px solid var(--line);padding:20px 0 0;}
  .perk:first-child{border-top:0;padding-top:0;}
  .cta-inner{grid-template-columns:1fr;}
  .bag-layout,.checkout-layout,.pd-layout{grid-template-columns:1fr;gap:32px;}
  .pd-gallery{position:static;}
  .account-layout,.legal-layout{grid-template-columns:1fr;}
  .account-side,.legal-toc{position:static;}
  .acct-tabs{flex-direction:row;overflow-x:auto;}
  .tech-index{grid-template-columns:1fr;}
  .tb-grid{grid-template-columns:1fr;}
  .steps{flex-wrap:wrap;gap:8px 0;}
  .step-line{display:none;}
}
@media (max-width:560px){
  .container{padding:0 20px;}
  .grid-products,.grid-products.g3,.cat-tiles,.stats-grid{grid-template-columns:1fr;}
  .section{padding:64px 0;}
  .hero h1{font-size:38px;}
  .hero-art{min-height:340px;}
  .hero-art .product-svg{width:250px;height:330px;}
  .hero-chip.c1{left:0;}
  .footer-main{grid-template-columns:1fr;}
  .bag-item{grid-template-columns:80px 1fr;gap:16px;}
  .bag-item-img{width:80px;height:92px;}
  .bi-right{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;}
  .auth-card{padding:28px 22px;}
  .co-2col{grid-template-columns:1fr;}
}

/* ---------- 无障碍 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}
/* ============================================================
   MM MICRO MARCO — Valmont 式高端视觉组件层
   ============================================================ */
/* 品牌金文字 */
.brand{color:var(--brand);}
.logo-main{font-family:var(--font-serif);font-weight:600;letter-spacing:.16em;color:var(--brand);}
.logo-sub{color:var(--muted);}
.marquee{background:var(--brand-deep);}
.stats-band{background:linear-gradient(160deg,#fbf5ec 0%,#f7ecec 55%,#eef3f4 100%);color:var(--ink);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.stats-band .stats-grid b{color:var(--brand);}
.stats-band .stats-grid span{color:var(--muted);}
.section-eyebrow{color:var(--brand);}
.section-eyebrow::before{background:var(--brand-light);}
.btn-primary{background:var(--brand);}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow-brand);}
.btn-outline-brand{border-color:var(--brand);color:var(--brand);}
.btn-outline-brand:hover{background:var(--brand);color:#fff;}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.site-header{background:rgba(255,253,250,.9);border-bottom:1px solid var(--line-soft);}

/* 公告条 */
.announce{background:var(--ink);}
.announce-inner{min-height:36px;font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.82);}
.announce a{color:var(--brand-light);}

/* 返回顶部悬浮按钮 */
.back-top{position:fixed;right:26px;bottom:30px;z-index:70;width:46px;height:46px;border-radius:999px;background:rgba(255,253,250,.92);border:1px solid var(--line);box-shadow:var(--shadow-2);display:flex;align-items:center;justify-content:center;color:var(--brand);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s var(--ease);}
.back-top.show{opacity:1;visibility:visible;transform:none;}
.back-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 首屏双 Banner ---------- */
.hero-banners{padding:0;}
.banner{position:relative;min-height:72vh;display:flex;align-items:center;overflow:hidden;color:#fff;}
.banner + .banner{border-top:1px solid rgba(255,255,255,.25);}
.banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);transition:transform 8s var(--ease);}
.banner:hover .banner-bg{transform:scale(1.06);}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,18,16,.62) 0%,rgba(20,18,16,.28) 45%,rgba(20,18,16,.08) 100%);}
.banner-inner{position:relative;z-index:2;max-width:640px;padding:80px 0;}
.banner .b-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.3em;font-weight:700;color:rgba(255,255,255,.85);margin-bottom:20px;text-transform:uppercase;}
.banner .b-eyebrow::before{content:"";width:34px;height:1px;background:var(--brand-light);}
.banner h2{font-size:clamp(38px,4.6vw,60px);font-weight:500;line-height:1.12;color:#fff;}
.banner p{margin-top:18px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.88);max-width:48ch;}
.banner .b-ctas{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.btn-glass{background:rgba(255,255,255,.14);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-glass:hover{background:#fff;color:var(--ink);}
.banner .b-tags{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap;}
.banner .b-tags span{font-size:11.5px;letter-spacing:.16em;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:6px 14px;}

/* ---------- 分类瓷砖（MM 版） ---------- */
.mm-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.mm-cat{position:relative;border-radius:var(--radius-m);overflow:hidden;background:linear-gradient(180deg,#faf6f0,var(--blush));aspect-ratio:4/4.7;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:22px 16px;text-align:center;transition:transform .35s var(--ease),box-shadow .35s;}
.mm-cat:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.mm-cat .mm-cat-img{position:absolute;top:8%;left:50%;transform:translateX(-50%);width:74%;height:72%;object-fit:contain;transition:transform .5s var(--ease);}
.mm-cat:hover .mm-cat-img{transform:translateX(-50%) translateY(-6px) scale(1.04);}
.mm-cat .mm-cat-name{position:relative;font-family:var(--font-cn-serif);font-size:17px;font-weight:600;margin-top:8px;}
.mm-cat .mm-cat-en{position:relative;font-size:10.5px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-top:4px;}
.mm-cat .mm-cat-n{position:relative;font-family:var(--font-serif);font-size:12px;color:var(--brand);margin-top:6px;}

/* ---------- 品牌甄选卡片 ---------- */
.star-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.star-card{position:relative;border:1px solid var(--line-soft);border-radius:var(--radius-m);overflow:hidden;background:#fff;transition:transform .35s var(--ease),box-shadow .35s;}
.star-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.star-media{position:relative;background:linear-gradient(180deg,#faf6f0,#f6ecec);aspect-ratio:4/4;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.star-media img{width:70%;height:78%;object-fit:contain;transition:transform .5s var(--ease);}
.star-card:hover .star-media img{transform:scale(1.05);}
.star-tag{position:absolute;top:14px;left:14px;z-index:2;}
.star-info{padding:18px 20px 22px;text-align:left;}
.star-info .si-name{font-family:var(--font-cn-serif);font-size:16.5px;font-weight:600;}
.star-info .si-en{font-size:11px;color:var(--muted);margin-top:3px;letter-spacing:.04em;}
.star-info .si-sub{font-size:12.5px;color:var(--ink-2);margin-top:8px;line-height:1.7;}
.star-info .si-row{display:flex;align-items:center;justify-content:space-between;margin-top:14px;}
.star-info .si-price{font-family:var(--font-serif);font-size:19px;font-weight:600;color:var(--brand);}
.star-info .si-btn{font-size:12.5px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--brand-light);padding-bottom:2px;}
.star-info .si-btn:hover{color:var(--brand);}

/* ---------- 科研卡片 ---------- */
.sci-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.sci-card{border-radius:var(--radius-m);overflow:hidden;background:#fff;border:1px solid var(--line-soft);transition:transform .35s var(--ease),box-shadow .35s;}
.sci-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.sci-card .sci-top{height:130px;display:flex;align-items:center;justify-content:center;background:linear-gradient(140deg,var(--alpine),#f6f2ec);color:var(--brand);}
.sci-card:nth-child(2) .sci-top{background:linear-gradient(140deg,var(--blush),#f6f2ec);}
.sci-card:nth-child(3) .sci-top{background:linear-gradient(140deg,#f2ece3,var(--alpine));}
.sci-card .sci-body{padding:24px 24px 28px;}
.sci-card h3{font-size:17px;font-weight:600;}
.sci-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:10px;}

/* ---------- 系列页 ---------- */
.series-hero{background:linear-gradient(150deg,#f7f2ea 0%,#f7ecec 55%,#eaf1f2 100%);}
.series-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0;}
.series-hero-inner h1{font-size:clamp(38px,4.4vw,56px);font-weight:500;}
.series-metrics{display:flex;gap:0;margin-top:36px;border-top:1px solid rgba(143,106,63,.25);padding-top:24px;}
.series-metrics .sm{flex:1;padding:0 18px;border-right:1px solid var(--line);}
.series-metrics .sm:first-child{padding-left:0;}
.series-metrics .sm:last-child{border-right:0;}
.series-metrics .sm b{display:block;font-family:var(--font-serif);font-size:34px;color:var(--brand);font-weight:600;}
.series-metrics .sm span{font-size:12px;color:var(--muted);}
.series-tabs{display:flex;gap:4px;justify-content:center;flex-wrap:wrap;background:var(--mist-2);border:1px solid var(--line-soft);border-radius:999px;padding:5px;margin:34px 0 0;}
.series-tabs button{height:42px;padding:0 22px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--muted);transition:all .2s;}
.series-tabs button.active{background:#fff;color:var(--brand);box-shadow:var(--shadow-1);}
.routine-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:rt;}
.rt-step{position:relative;background:var(--mist-2);border:1px solid var(--line-soft);border-radius:var(--radius-m);padding:26px 24px 24px;overflow:hidden;}
.rt-step::before{counter-increment:rt;content:"0" counter(rt);position:absolute;right:16px;top:10px;font-family:var(--font-serif);font-size:44px;color:rgba(143,106,63,.14);font-weight:600;}
.rt-step img{width:84px;height:104px;object-fit:contain;margin-bottom:14px;}
.rt-step b{display:block;font-family:var(--font-cn-serif);font-size:17px;font-weight:600;}
.rt-step .rt-en{font-size:10.5px;letter-spacing:.2em;color:var(--brand);text-transform:uppercase;margin:3px 0 8px;}
.rt-step p{font-size:12.5px;color:var(--muted);line-height:1.8;}

/* ---------- 搜索页 ---------- */
.search-hero{background:linear-gradient(180deg,#faf6f0,#fffdfa);}
.search-box{display:flex;gap:12px;margin:26px 0 0;max-width:640px;}
.search-box .input{height:54px;font-size:15px;}
.search-layout{display:grid;grid-template-columns:250px 1fr;gap:44px;padding:48px 0 96px;align-items:start;}
.search-filters{position:sticky;top:calc(var(--nav-h) + 24px);border:1px solid var(--line-soft);border-radius:var(--radius-m);padding:22px 22px 10px;background:var(--mist-2);}
.sf-group{margin-bottom:20px;}
.sf-group h4{font-size:12px;letter-spacing:.14em;color:var(--muted);margin-bottom:10px;font-weight:700;}
.sf-group button{display:flex;width:100%;justify-content:space-between;align-items:center;padding:7px 8px;border-radius:8px;font-size:13px;color:var(--ink-2);text-align:left;transition:all .15s;}
.sf-group button:hover{background:#fff;}
.sf-group button.active{color:var(--brand);font-weight:700;background:#fff;}
.sf-group button span{font-size:11.5px;color:var(--muted);}
.search-results-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:8px;}
.search-results-head h2{font-size:22px;font-weight:600;}
.search-results-head .sr-count{font-size:13px;color:var(--muted);}
.suggest-tags{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 28px;}
.suggest-tags button{height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--line);font-size:12.5px;color:var(--muted);transition:all .18s;background:#fff;}
.suggest-tags button:hover{border-color:var(--brand);color:var(--brand);}
.suggest-tags button.hot{border-color:var(--brand-soft);background:var(--brand-tint);color:var(--brand);}

/* ---------- 会员登录注册 ---------- */
.auth-split{display:grid;grid-template-columns:1fr 1fr;min-height:78vh;}
.auth-visual{position:relative;background:linear-gradient(160deg,#eaf1f2 0%,#f7ecec 60%,#f6eee3 100%);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.auth-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 320px at 30% 20%,rgba(255,255,255,.8),transparent 60%),radial-gradient(360px 300px at 80% 80%,rgba(255,255,255,.5),transparent 60%);}
.auth-visual img{position:relative;width:320px;height:440px;object-fit:contain;filter:drop-shadow(0 30px 40px rgba(70,50,30,.18));animation:float 7s ease-in-out infinite;}
.auth-visual .av-copy{position:absolute;bottom:44px;left:44px;max-width:300px;}
.auth-visual .av-copy b{font-family:var(--font-serif);font-size:26px;font-weight:600;color:var(--brand);line-height:1.3;}
.auth-visual .av-copy span{font-size:12.5px;color:var(--muted);display:block;margin-top:8px;line-height:1.8;}
.auth-form-side{display:flex;align-items:center;justify-content:center;padding:56px 40px;background:var(--paper);}

/* ---------- 会员中心订单 ---------- */
.order-timeline{position:relative;padding-left:26px;margin-top:10px;}
.order-timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1.5px;background:var(--line);}
.ot-item{position:relative;padding:0 0 22px;}
.ot-item:last-child{padding-bottom:0;}
.ot-item::before{content:"";position:absolute;left:-26px;top:3px;width:15px;height:15px;border-radius:50%;background:#fff;border:2px solid var(--line);}
.ot-item.now::before{border-color:var(--brand);background:var(--brand);box-shadow:0 0 0 4px rgba(143,106,63,.16);}
.ot-item.done::before{border-color:var(--brand-light);background:var(--brand-light);}
.ot-item b{display:block;font-size:13.5px;}
.ot-item span{font-size:12px;color:var(--muted);}
.invoice-form{max-width:560px;}
.inv-type{display:flex;gap:12px;margin-bottom:18px;}
.inv-type button{flex:1;height:46px;border:1.5px solid var(--line);border-radius:10px;font-size:13.5px;font-weight:600;color:var(--muted);transition:all .18s;background:#fff;}
.inv-type button.active{border-color:var(--brand);color:var(--brand);background:var(--brand-tint);}

/* ---------- 服务图标（页脚上方） ---------- */
.service-strip{border-top:1px solid var(--line-soft);background:var(--mist-2);}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:34px 0;}
.service-grid a{display:flex;align-items:center;gap:14px;padding:14px 22px;border-left:1px solid var(--line-soft);transition:all .2s;}
.service-grid a:first-child{border-left:0;}
.service-grid a:hover{background:#fff;}
.service-grid .sv-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none;}
.service-grid b{display:block;font-size:13.5px;font-weight:600;}
.service-grid span{font-size:11.5px;color:var(--muted);}

/* ---------- 订阅弹窗 ---------- */
.popup-card{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;}
.popup-card .pp-visual{background:linear-gradient(160deg,#eaf1f2,#f7ecec);min-height:300px;display:flex;align-items:center;justify-content:center;}
.popup-card .pp-visual img{width:230px;height:300px;object-fit:contain;}
.popup-card .pp-body{padding:34px;}
.popup-card .pp-body .pp-en{font-size:10.5px;letter-spacing:.28em;color:var(--brand);text-transform:uppercase;}
.popup-card h3{font-size:22px;font-weight:600;margin:12px 0 8px;}
.popup-card p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.pp-note{font-size:11.5px;color:var(--muted);margin-top:12px;line-height:1.7;}

/* ---------- 产品详情增强 ---------- */
.pd-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px;}
.pd-benefit{border:1px solid var(--line-soft);border-radius:var(--radius-m);padding:16px 18px;background:var(--mist-2);}
.pd-benefit b{display:block;font-size:14px;color:var(--brand);font-weight:700;margin-bottom:6px;}
.pd-benefit span{font-size:12px;color:var(--muted);line-height:1.7;display:block;}
.pd-ingr{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;}
.pd-ingr .pi{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line-soft);border-radius:12px;background:var(--mist-2);}
.pd-ingr .pi b{display:block;font-size:13.5px;font-weight:600;}
.pd-ingr .pi span{font-size:12px;color:var(--muted);line-height:1.7;display:block;margin-top:2px;}
.pd-fixed{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:26px;flex-wrap:wrap;}
.pd-fixed span{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);}
.pd-fixed svg{color:var(--brand);}

/* ---------- 编辑型分栏（故事/科研） ---------- */
.editorial{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.editorial .ed-img{border-radius:var(--radius-l);overflow:hidden;aspect-ratio:4/4.4;background:linear-gradient(160deg,var(--alpine),var(--blush));display:flex;align-items:center;justify-content:center;}
.editorial .ed-img img{width:72%;height:80%;object-fit:contain;}
.editorial .ed-img .ed-chip{position:absolute;background:rgba(255,255,255,.9);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-1);font-size:12px;color:var(--muted);}
.editorial .ed-img .ed-chip b{display:block;color:var(--ink);font-size:13.5px;}
.editorial h2{font-size:clamp(28px,3.2vw,40px);font-weight:500;}
.editorial .lead{color:var(--muted);margin-top:16px;line-height:1.9;font-size:15px;}
.quote-mark{font-family:var(--font-serif);font-size:64px;color:var(--brand-light);line-height:.6;display:block;}

/* ---------- 订阅页 ---------- */
.subscribe-hero{background:linear-gradient(160deg,#f7f2ea,#f7ecec 60%,#eaf1f2);}
.sub-card{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-l);padding:44px;box-shadow:var(--shadow-1);text-align:center;}
.sub-card .sub-en{font-size:10.5px;letter-spacing:.3em;color:var(--brand);text-transform:uppercase;}
.sub-card h1{font-size:30px;font-weight:600;margin:14px 0 10px;}
.sub-card p{color:var(--muted);font-size:14px;line-height:1.85;margin-bottom:26px;}
.success-check{width:84px;height:84px;margin:0 auto 22px;border-radius:999px;background:rgba(77,122,93,.12);color:var(--ok);display:flex;align-items:center;justify-content:center;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-cat{margin-bottom:44px;}
.faq-cat h3{font-size:15px;letter-spacing:.08em;color:var(--brand);margin-bottom:16px;font-weight:700;}

/* ---------- 页脚定制 ---------- */
.site-footer{background:var(--ink);}
.footer-main .logo-main{color:#fff;}
.footer-bottom .lang-btn.active{background:var(--brand-light);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .mm-cats{grid-template-columns:repeat(3,1fr);}
  .star-grid,.sci-grid{grid-template-columns:repeat(2,1fr);}
  .routine-steps{grid-template-columns:repeat(2,1fr);}
  .search-layout{grid-template-columns:1fr;}
  .search-filters{position:static;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .service-grid a{border-left:0;}
  .auth-split{grid-template-columns:1fr;}
  .auth-visual{min-height:340px;}
  .editorial{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:920px){
  .mm-cats{grid-template-columns:repeat(2,1fr);}
  .series-hero-inner{grid-template-columns:1fr;}
  .popup-card{grid-template-columns:1fr;}
  .popup-card .pp-visual{min-height:220px;}
}
@media (max-width:560px){
  .mm-cats,.star-grid,.sci-grid,.routine-steps,.service-grid,.pd-ingr,.pd-benefits{grid-template-columns:1fr;}
  .banner{min-height:64vh;}
  .auth-form-side{padding:36px 20px;}
}