/* ============================================================
   Huayun Vape B2B2C Site — 全站样式
   白色主色 + 金色强调 · 干净利落 · 全站响应式
   ============================================================ */

:root{
  --gold:#b8933f;
  --gold-600:#a37f2e;
  --gold-700:#8c6b25;
  --gold-100:#f3ecdc;
  --gold-50:#faf6ec;
  --ink:#16181d;
  --muted:#5f6470;
  --line:#e7e3d9;
  --bg:#fbfaf7;
  --card:#ffffff;
  --green:#2f7d46;
  --red:#c0392b;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 10px 30px rgba(22,24,29,.06);
  --shadow-lg:0 18px 48px rgba(22,24,29,.10);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink)}
::selection{background:var(--gold-100)}

.container{width:min(1200px,92%);margin:0 auto}
.container.narrow{width:min(860px,92%)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--gold-50);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:36px;flex-wrap:wrap}
.topbar a{color:var(--gold-700)}
.topbar .tb-left{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.topbar .tb-right{display:flex;gap:10px;align-items:center}
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:999px;background:#fff;overflow:hidden}
.lang-switch button{border:0;background:transparent;padding:3px 12px;font-size:12.5px;color:var(--muted)}
.lang-switch button.on{background:var(--gold);color:#fff}

/* ---------- 主导航 ---------- */
.header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.3px}
.logo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--gold),var(--gold-700));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px}
.logo small{display:block;font-size:10.5px;font-weight:600;color:var(--gold-600);letter-spacing:1.6px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{padding:8px 14px;border-radius:8px;color:#3a3e46;font-weight:500;font-size:14.5px}
.nav a:hover{color:var(--gold-700);background:var(--gold-50)}
.nav a.active{color:var(--gold-700);background:var(--gold-50)}
.nav .cart-link{position:relative}
.cart-badge{position:absolute;top:-4px;right:-6px;background:var(--red);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 5px;font-weight:700}
.header-cta{margin-left:6px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff;align-items:center;justify-content:center}
.burger span{width:18px;height:2px;background:var(--ink);position:relative;display:block}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:11px 26px;font-size:14.5px;font-weight:600;transition:.2s;white-space:nowrap}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-600);box-shadow:0 8px 20px rgba(184,147,63,.28)}
.btn-outline{border-color:var(--gold);color:var(--gold-700);background:transparent}
.btn-outline:hover{background:var(--gold-50)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2b2e36}
.btn-white{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-white:hover{border-color:var(--gold)}
.btn-sm{padding:7px 16px;font-size:13px}
.btn-block{width:100%}
.btn-lg{padding:14px 34px;font-size:16px}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(180deg,#fff 0%,var(--gold-50) 100%);border-bottom:1px solid var(--line);overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold-700);font-weight:600;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:var(--gold)}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:.2px}
.hero h1 .gold{color:var(--gold-700)}
.hero .sub{margin-top:18px;color:var(--muted);font-size:16.5px;max-width:540px}
.hero .cta-row{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero .stat-row{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.hero .stat b{font-size:26px;color:var(--ink);display:block}
.hero .stat span{font-size:12.5px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:20px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.hero-media .float-chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px;box-shadow:var(--shadow);font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}
.hero-media .fc-1{top:18px;left:-14px;color:var(--green)}
.hero-media .fc-2{bottom:22px;right:-10px;color:var(--gold-700)}
.hero-announce{margin-top:26px;background:#fff;border:1px dashed var(--gold);border-radius:12px;padding:12px 18px;font-size:14px;color:var(--gold-700);display:none}
.hero-announce.show{display:block}

/* ---------- 区块 ---------- */
.section{padding:64px 0}
.section.tight{padding:40px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.section-head .sub{font-size:13.5px;color:var(--muted);margin-top:4px}
.section-head .more{color:var(--gold-700);font-size:14px;font-weight:600}
.section-head .more:hover{text-decoration:underline}
.sec-tag{display:inline-block;color:var(--gold-700);background:var(--gold-100);font-size:12px;font-weight:600;letter-spacing:1px;padding:4px 12px;border-radius:999px;margin-bottom:10px}

/* ---------- 产品卡片 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:22px}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold)}
.product-card .thumb{position:relative;background:#fff;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:14px;border-bottom:1px solid var(--line)}
.product-card .thumb img{width:100%;height:100%;object-fit:contain}
.product-card .cat-badge{position:absolute;top:10px;left:10px;background:var(--gold);color:#fff;font-size:11px;padding:3px 10px;border-radius:999px;font-weight:600}
.product-card .fav{position:absolute;top:10px;right:10px;background:#fff;border:1px solid var(--line);color:var(--gold);font-size:11px;padding:3px 8px;border-radius:999px;font-weight:600}
.product-card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-card .name{font-weight:700;font-size:15px;line-height:1.4;min-height:42px}
.product-card .flavors{display:flex;flex-wrap:wrap;gap:5px}
.product-card .flavor{font-size:11.5px;color:var(--muted);border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:2px 9px}
.product-card .meta{font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 14px}
.product-card .meta b{color:var(--ink);font-weight:600}
.product-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:10px;border-top:1px dashed var(--line)}
.price{font-size:19px;font-weight:800;color:var(--gold-700)}
.price small{font-size:12px;color:var(--muted);font-weight:500}
.product-card .actions{display:flex;gap:8px}

/* ---------- 分类条 ---------- */
.cat-strip{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.cat-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 20px;font-size:14px;font-weight:600;color:#3a3e46;transition:.18s}
.cat-chip:hover{border-color:var(--gold);color:var(--gold-700)}
.cat-chip.on{background:var(--gold);border-color:var(--gold);color:#fff}
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.search-box{flex:1;min-width:220px;position:relative}
.search-box input{width:100%;border:1px solid var(--line);border-radius:999px;padding:10px 18px 10px 40px;background:#fff;outline:none}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted)}
.sort-select{border:1px solid var(--line);border-radius:999px;padding:9px 16px;background:#fff;outline:none}
.result-count{font-size:13px;color:var(--muted)}
.empty-state{text-align:center;padding:60px 0;color:var(--muted)}
.empty-state svg{margin:0 auto 14px;color:var(--line)}

/* ---------- 特色区块 ---------- */
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;text-align:center}
.feature .ic{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--gold-50);color:var(--gold-700);display:flex;align-items:center;justify-content:center}
.feature h3{font-size:15.5px;margin-bottom:6px}
.feature p{font-size:13px;color:var(--muted)}

/* ---------- 客户评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.review .stars{color:var(--gold);letter-spacing:2px;font-size:15px}
.review p{font-size:14px;color:#3a3e46;margin:10px 0 16px}
.review .who{display:flex;align-items:center;gap:10px}
.review .avatar{width:38px;height:38px;border-radius:50%;background:var(--gold-100);color:var(--gold-700);display:flex;align-items:center;justify-content:center;font-weight:700}
.review .who b{font-size:13.5px;display:block}
.review .who span{font-size:12px;color:var(--muted)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:600;color:#3a3e46}
.form-field label .req{color:var(--red)}
.form-field input,.form-field select,.form-field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 14px;background:#fff;outline:none;transition:.15s;width:100%}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(184,147,63,.12)}
.form-field textarea{min-height:110px;resize:vertical}
.form-field .hint{font-size:12px;color:var(--muted)}
.form-field .hint.attach{display:flex;align-items:center;gap:6px;color:var(--gold-700)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-sub{color:var(--muted);font-size:13.5px;margin-bottom:20px}
.channel-check{display:flex;flex-wrap:wrap;gap:10px}
.channel-check label{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-size:13.5px;cursor:pointer;background:#fff}
.channel-check input{accent-color:var(--gold)}
.channel-check label.on{border-color:var(--gold);background:var(--gold-50)}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;table-layout:fixed}
thead th{background:var(--gold-50);text-align:left;font-size:13px;color:#4a4e56;font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line)}
tbody td{padding:12px 14px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle;word-break:break-word}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fffdf8}

/* ---------- 步骤 / 承诺 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:14px;right:16px;font-size:26px;font-weight:800;color:var(--gold-100)}
.step h3{font-size:15px;margin-bottom:6px;position:relative}
.step .step-icon{width:46px;height:auto;margin-bottom:10px;display:block}
.step p{font-size:13px;color:var(--muted);position:relative}

/* ---------- 联系渠道 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center;transition:.2s;display:block}
.channel:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow)}
.channel .ic{width:48px;height:48px;margin:0 auto 10px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}
.channel h3{font-size:15px}
.channel p{font-size:12.5px;color:var(--muted);margin-top:3px;word-break:break-all}
.ic-wa{background:#25d366}.ic-wx{background:#07c160}.ic-qq{background:#12b7f5}.ic-tg{background:#229ed9}.ic-mail{background:#b8933f}.ic-map{background:#333}

/* ---------- 支付 ---------- */
.pay-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.pay-head{background:var(--gold-50);padding:22px 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.pay-head h2{font-size:20px}
.pay-body{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:28px}
.qr-box{border:1px dashed var(--gold);border-radius:12px;padding:20px;display:flex;flex-direction:column;align-items:center;gap:12px;background:#fffdf8}
.qr-box img{width:min(260px,100%);aspect-ratio:1/1;object-fit:contain;border-radius:8px}
.qr-box .qr-empty{width:min(260px,100%);aspect-ratio:1/1;border-radius:8px;background:var(--gold-50);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--gold-700);text-align:center;padding:20px;font-size:13px}
.pay-info .row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.pay-info .row b{font-weight:700}
.pay-info .amount{font-size:26px;font-weight:800;color:var(--gold-700)}
.pay-tips{margin-top:16px;background:var(--gold-50);border-radius:10px;padding:12px 16px;font-size:12.5px;color:#6b5a2e;line-height:1.8}
.pay-note{margin-top:14px;font-size:12.5px;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}

/* ---------- Cookie / 年龄 ---------- */
.cookie-bar{position:fixed;left:14px;right:14px;bottom:14px;z-index:200;background:var(--ink);color:#fff;border-radius:14px;padding:16px 20px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow-lg);max-width:860px;margin:0 auto;font-size:13.5px}
.cookie-bar p{flex:1;min-width:240px}
.cookie-bar a{color:var(--gold-100);text-decoration:underline}
.cookie-bar .btn{padding:8px 20px;font-size:13px}
.age-mask{position:fixed;inset:0;z-index:300;background:rgba(22,24,29,.72);display:flex;align-items:center;justify-content:center;padding:20px}
.age-box{background:#fff;border-radius:18px;max-width:420px;width:100%;padding:32px;text-align:center;box-shadow:var(--shadow-lg)}
.age-box .mark{width:56px;height:56px;margin:0 auto 14px;border-radius:16px;background:var(--gold);color:#fff;display:flex;align-items:center;justify-content:center}
.age-box h3{font-size:19px;margin-bottom:8px}
.age-box p{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.age-box .btn-row{display:flex;gap:10px}

/* ---------- 聊天挂件 ---------- */
.chat-fab{position:fixed;right:18px;bottom:18px;z-index:150;width:54px;height:54px;border-radius:50%;background:var(--gold);color:#fff;border:0;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center}
.chat-panel{position:fixed;right:18px;bottom:84px;z-index:151;width:min(340px,calc(100vw - 36px));background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;display:none}
.chat-panel.open{display:block}
.chat-panel .cp-head{background:var(--gold);color:#fff;padding:14px 16px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center}
.chat-panel .cp-body{padding:16px}
.chat-panel .cp-channels{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.chat-panel .cp-channels a{border:1px solid var(--line);border-radius:9px;padding:9px;text-align:center;font-size:13px;font-weight:600;color:#3a3e46}
.chat-panel .cp-channels a:hover{border-color:var(--gold);color:var(--gold-700)}
.chat-panel .form-field{margin-bottom:10px}
.chat-panel textarea{min-height:64px}

/* ---------- Toast ---------- */
.toast{position:fixed;top:84px;left:50%;transform:translateX(-50%) translateY(-16px);z-index:400;background:var(--ink);color:#fff;border-radius:999px;padding:11px 24px;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.25s;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;z-index:250;background:rgba(22,24,29,.55);display:none;align-items:flex-start;justify-content:center;padding:30px 16px;overflow:auto}
.modal-mask.open{display:flex}
.modal{background:#fff;border-radius:16px;width:min(720px,100%);box-shadow:var(--shadow-lg);animation:pop .22s ease}
@keyframes pop{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal .m-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal .m-head h3{font-size:17px}
.modal .m-close{border:0;background:var(--gold-50);width:32px;height:32px;border-radius:50%;color:var(--gold-700);font-size:16px}
.modal .m-body{padding:22px}

/* ---------- 页面头部 ---------- */
.page-hero{background:linear-gradient(180deg,#fff,var(--gold-50));border-bottom:1px solid var(--line);padding:44px 0}
.page-hero h1{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.page-hero p{color:var(--muted);margin-top:10px;max-width:640px}
.breadcrumb{display:flex;gap:8px;font-size:13px;color:var(--muted);margin-bottom:12px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--gold-700)}

/* ---------- 详情 / 布局 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.info-list{display:grid;gap:14px}
.info-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.info-item .ic{width:42px;height:42px;flex:none;border-radius:11px;background:var(--gold-50);color:var(--gold-700);display:flex;align-items:center;justify-content:center}
.info-item h4{font-size:14.5px;margin-bottom:2px}
.info-item p{font-size:13px;color:var(--muted);word-break:break-all}
.map-box{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;line-height:0}
.map-box iframe{width:100%;height:340px;border:0}

/* ---------- 购物车 ---------- */
.cart-table td,.cart-table th{vertical-align:middle}
.cart-table .pcell{display:flex;gap:12px;align-items:center}
.cart-table .pcell img{width:58px;height:58px;object-fit:contain;border:1px solid var(--line);border-radius:9px;background:#fff;padding:4px}
.qty-stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.qty-stepper button{width:30px;height:30px;border:0;background:#fff;font-size:16px;color:var(--ink)}
.qty-stepper button:hover{background:var(--gold-50);color:var(--gold-700)}
.qty-stepper b{min-width:34px;text-align:center;font-size:14px}
.cart-summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.cart-summary .row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px}
.cart-summary .row.total{border-top:1px dashed var(--line);margin-top:8px;padding-top:14px;font-weight:800;font-size:17px}
.cart-summary .total-amt{color:var(--gold-700)}
.cart-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}

/* ---------- 询盘成功 ---------- */
.success-box{text-align:center;padding:30px 0}
.success-box .ok{width:66px;height:66px;margin:0 auto 16px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center}
.success-box h3{font-size:21px;margin-bottom:8px}
.success-box p{color:var(--muted);max-width:520px;margin:0 auto 20px}
.success-box .btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:#14161a;color:#a7abb4;margin-top:70px;font-size:14px}
.footer .container{padding:54px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{display:block;padding:4px 0;color:#a7abb4}
.footer a:hover{color:var(--gold-100)}
.footer .brand p{margin-top:12px;font-size:13px;line-height:1.8}
.footer .contact li{display:flex;gap:8px;padding:4px 0;align-items:flex-start}
.footer .contact svg{flex:none;margin-top:4px;color:var(--gold)}
.footer .legal{margin-top:40px;border-top:1px solid #262a31;padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#7d828c}
.footer .legal a{display:inline;padding:0;margin-left:14px;color:#7d828c}
.footer .legal a:hover{color:var(--gold-100)}
.footer .age-note{background:#1d2026;border:1px solid #2a2e37;border-radius:9px;padding:10px 14px;font-size:12.5px;color:#8d929c;line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .feature-row{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero .container{grid-template-columns:1fr;padding-top:44px;padding-bottom:44px}
  .hero-media{max-width:640px}
}
@media (max-width:860px){
  .header .container{height:60px;gap:14px}
  .nav{position:fixed;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px 16px;display:none;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px 14px}
  .header-cta{display:none}
  .burger{display:inline-flex}
  .review-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .cart-layout{grid-template-columns:1fr}
  .pay-body{grid-template-columns:1fr}
  .hero-media .float-chip{display:none}
}
@media (max-width:520px){
  body{font-size:15px}
  .section{padding:46px 0}
  .feature-row{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .product-card .name{font-size:13.5px;min-height:38px}
  .product-card .body{padding:10px 10px 12px}
  .price{font-size:16px}
  .btn{padding:10px 18px;font-size:13.5px;min-height:44px}
  .btn-sm{min-height:44px}
  .lang-switch button{padding:6px 14px}
  input,select,textarea{font-size:16px}
  .section-head .more{display:inline-block;padding:8px 10px}
  .topbar .tb-left a{padding:6px 0;display:inline-block}
  .topbar .tb-left span.hide-sm{display:none}
  .footer-grid{grid-template-columns:1fr}
  .hero .stat-row{gap:20px}
  .hero .stat b{font-size:21px}
  .cart-table .hide-xs{display:none}
}

/* ---------- 无障碍 ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}