/* Lvivsky — 手写样式，无任何 UI 框架依赖 */

/* ---------------- 字体（自托管，无第三方依赖） ---------------- */
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------------- 设计令牌 ----------------
   配色思路：冷调中性灰底 + 深海军蓝文字，品牌色收敛为铜金，
   用于强调而非铺满，整体更克制、更专业。 */
:root {
  --bg: #f5f6f8;
  --bg-2: #eceef2;
  --surface: #ffffff;
  --surface-2: #f3f5f8;
  --line: #e4e8ee;
  --line-2: #ccd4de;
  --text: #0e1a2b;
  --text-2: #33415c;
  --muted: #566275;
  --muted-2: #8b95a4;

  --brand: #c08a2e;
  --brand-ink: #8a5f14;
  --brand-soft: rgba(192, 138, 46, .12);
  --brand-line: rgba(192, 138, 46, .42);

  --navy: #16283f;
  --navy-2: #0c1725;
  --forest: #2f6b4f;
  --steel: #2a6f9e;
  --danger: #b3372a;

  --radius: 16px;
  --radius-s: 10px;
  --shadow-s: 0 1px 2px rgba(14, 26, 43, .05), 0 1px 3px rgba(14, 26, 43, .04);
  --shadow: 0 12px 28px rgba(14, 26, 43, .09);
  --shadow-l: 0 24px 60px rgba(14, 26, 43, .14);
  --wrap: 1240px;
  --head-h: 70px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.66 Inter, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "kern";
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  font-family: Fraunces, Georgia, "Times New Roman", serif;
  font-weight: 560;
  margin: 0 0 .5em;
  line-height: 1.16;
  letter-spacing: -.011em;
}
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.ic { width: 19px; height: 19px; flex: none; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--brand); color: #17190f; padding: 8px 14px; border-radius: 8px; z-index: 99; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* ---------------- 顶部公告 ---------------- */
.announce {
  background: var(--navy-2);
  color: #dfe6f0;
  font-size: 12.5px;
  letter-spacing: .3px;
}
.announce-in { display: flex; align-items: center; gap: 9px; height: 38px; justify-content: center; }
.announce .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(192, 138, 46, .18); }
#announce-text { animation: fade .5s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

/* ---------------- 头部 ---------------- */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.head-in { display: flex; align-items: center; gap: 18px; height: var(--head-h); }
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand img { border-radius: 9px; }
.brand-txt { font-weight: 700; letter-spacing: 1.6px; font-size: 17px; }
.brand-txt em { font-style: normal; color: var(--brand-ink); }
.brand.small .brand-txt { font-size: 15px; }

.search { flex: 1; display: flex; align-items: center; gap: 8px; max-width: 440px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 6px 0 13px; }
.search:focus-within { border-color: var(--line-2); background: var(--surface); box-shadow: 0 0 0 3px var(--brand-soft); }
.search-ic { display: flex; color: var(--muted-2); }
.search input { flex: 1; background: none; border: 0; outline: 0; padding: 9px 0; min-width: 0; }
.search input::placeholder { color: var(--muted-2); }
.search-btn { background: var(--surface); border: 1px solid var(--line); color: var(--muted);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 13px; }
.search-btn:hover { color: var(--text); border-color: var(--line-2); }

.head-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; font-size: 14px; }
.head-nav > a { color: var(--muted); display: flex; align-items: center; gap: 7px; }
.head-nav > a:hover, .head-nav > a.on { color: var(--text); }
.cart-link .badge {
  min-width: 20px; height: 20px; padding: 0 5px; border-radius: 999px;
  background: var(--brand); color: #17190f; font-size: 12px; font-weight: 700;
  display: grid; place-items: center;
}
.cart-link.empty .badge { background: var(--surface-2); color: var(--muted-2); }
.icon-btn { background: var(--surface); border: 1px solid var(--line); color: var(--text);
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; cursor: pointer; }
.only-m { display: none; }

.cat-bar { border-top: 1px solid var(--line); background: rgba(255, 255, 255, .7); }
.cat-in { display: flex; gap: 8px; overflow-x: auto; padding: 9px 22px; scrollbar-width: none; }
.cat-in::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  border: 1px solid var(--line); background: var(--surface); color: var(--muted);
  padding: 6px 13px; border-radius: 999px; font-size: 13px; cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--line-2); }
.chip.on { background: var(--brand-soft); border-color: var(--brand-line); color: var(--brand-ink); }
.chip .ic { width: 16px; height: 16px; }

/* ---------------- 通用组件 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brand); color: #17190f; border: 1px solid transparent;
  padding: 11px 20px; border-radius: var(--radius-s); font-weight: 700; cursor: pointer;
  transition: transform .12s ease, filter .12s ease, background .12s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn.busy { opacity: .55; pointer-events: none; }
.btn.tiny { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn.ghost:hover { background: var(--surface-2); filter: none; }
.btn.ghost.light { color: #e7edf6; border-color: rgba(231, 237, 246, .34); }
.btn.ghost.light:hover { background: rgba(231, 237, 246, .1); }
.btn.block { width: 100%; }
.btn.navy { background: var(--navy); color: #fff; }
.btn.navy:hover { background: var(--navy-2); filter: none; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-s); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.sec { padding: 52px 0; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.sec-head p { margin: 6px 0 0; color: var(--muted); font-size: 14px; max-width: 62ch; }
.kicker { font-size: 11.5px; letter-spacing: 2.4px; text-transform: uppercase; color: var(--brand-ink); font-weight: 700; }
.link-more { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--brand-ink); white-space: nowrap; }
.link-more .ic { width: 16px; height: 16px; transition: transform .18s ease; }
.link-more:hover .ic { transform: translateX(3px); }
.loading { display: flex; align-items: center; gap: 10px; color: var(--muted); padding: 90px 22px; }
.spin { width: 17px; height: 17px; border: 2px solid var(--line-2); border-top-color: var(--brand);
  border-radius: 50%; animation: sp .8s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }

.stars { display: inline-flex; gap: 2px; color: var(--brand); }
.stars .ic { width: 14px; height: 14px; }
.stars .off { color: var(--line-2); }

/* ---------------- Hero（左右分栏，非全幅遮罩） ---------------- */
.hero { margin: 24px auto 0; }
.hero-slide {
  display: grid; grid-template-columns: 1.02fr .98fr;
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  background: var(--surface); min-height: 420px;
}
.hero-panel {
  position: relative; z-index: 2; padding: 56px 54px 52px;
  display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(158deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
}
.hero-panel .kicker { color: var(--brand); }
.hero-panel h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 540; margin: 12px 0 14px; color: #fff; }
.hero-panel p { color: #b9c6d8; margin: 0 0 26px; font-size: 15px; max-width: 44ch; animation: rise .5s ease; }
.hero-cta { display: flex; gap: 11px; flex-wrap: wrap; }
.hero-dots { position: absolute; left: 54px; bottom: 30px; display: flex; gap: 7px; }
.hero-dots button { width: 24px; height: 4px; border: 0; border-radius: 4px; cursor: pointer;
  background: rgba(255, 255, 255, .24); transition: width .2s ease, background .2s ease; }
.hero-dots button.on { background: var(--brand); width: 40px; }
.hero-media { position: relative; background: var(--bg-2); overflow: hidden; }
.hero-media > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: fade .5s ease; }
.hero-nav { position: absolute; right: 18px; bottom: 18px; display: flex; gap: 8px; }
.hero-nav.static { position: static; }
.hero-nav button { width: 40px; height: 40px; border-radius: 50%; cursor: pointer;
  background: rgba(12, 23, 37, .62); border: 1px solid rgba(255, 255, 255, .22); color: #fff;
  display: grid; place-items: center; backdrop-filter: blur(4px); }
.hero-nav button:hover { background: var(--brand); border-color: var(--brand); color: #17190f; }
.hero-nav.static button { background: var(--surface); border-color: var(--line); color: var(--text); }
.hero-nav.static button:hover { background: var(--brand); border-color: var(--brand); color: #17190f; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; } }

/* ---------------- 卖点条 ---------------- */
.usp { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-s); }
.usp > div { display: flex; gap: 11px; align-items: flex-start; padding: 17px 20px; }
.usp > div + div { border-left: 1px solid var(--line); }
.usp .ic { color: var(--brand); width: 20px; height: 20px; margin-top: 2px; }
.usp b { display: block; font-size: 13.5px; }
.usp span { color: var(--muted); font-size: 12.5px; line-height: 1.5; }

/* ---------------- 分类大图块 ---------------- */
.cat-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.cat-tile { position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-s);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.cat-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-2); }
.cat-tile img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.cat-tile-body { padding: 20px 22px 22px; }
.cat-tile-ic { display: inline-grid; place-items: center; width: 38px; height: 38px;
  border-radius: 10px; background: var(--brand-soft); color: var(--brand-ink); margin-bottom: 13px; }
.cat-tile-ic .ic { width: 20px; height: 20px; }
.cat-tile h3 { font-size: 21px; margin: 0 0 7px; }
.cat-tile p { color: var(--muted); font-size: 14px; margin: 0 0 15px; }
.cat-tile-cta { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--brand-ink); }
.cat-tile-cta .ic { width: 16px; height: 16px; transition: transform .18s ease; }
.cat-tile:hover .cat-tile-cta .ic { transform: translateX(3px); }

/* ---------------- 品牌主张（编辑式分栏） ---------------- */
.story-sec { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.story { display: grid; grid-template-columns: 1.06fr .94fr; gap: 48px; align-items: center; }
.story-copy h2 { font-size: clamp(24px, 2.8vw, 34px); margin: 10px 0 14px; }
.story .lead { color: var(--muted); font-size: 15.5px; margin: 0 0 24px; max-width: 54ch; }
.story-points { display: grid; gap: 15px; }
.story-points li { display: flex; gap: 13px; align-items: flex-start; }
.story-points .ic { color: var(--brand); width: 20px; height: 20px; margin-top: 3px; }
.story-points b { display: block; font-size: 14.5px; }
.story-points span { color: var(--muted); font-size: 13.5px; }
.story-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--line); }

/* ---------------- 列表工具条 ---------------- */
.crumb { color: var(--muted-2); font-size: 13px; display: flex; gap: 7px; flex-wrap: wrap; align-items: center; }
.crumb a:hover { color: var(--text); }
.list-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin: 10px 0 20px; }
.tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tools label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
select, .field input, .field textarea {
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  border-radius: var(--radius-s); padding: 9px 12px; outline: 0;
}
select:focus, .field input:focus, .field textarea:focus { border-color: var(--line-2); box-shadow: 0 0 0 3px var(--brand-soft); }
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; color: var(--muted); font-size: 13px; }
.switch input { accent-color: var(--brand); width: 15px; height: 15px; }

/* ---------------- 商品网格 ---------------- */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.p-card { position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-s);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
.p-card:hover { transform: translateY(-3px); border-color: var(--line-2); box-shadow: var(--shadow); }
.p-thumb { position: relative; display: block; aspect-ratio: 4 / 3; background: var(--bg-2); overflow: hidden; }
.p-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.p-card:hover .p-thumb img { transform: scale(1.05); }
.p-flags { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.flag { font-size: 11.5px; padding: 3px 8px; border-radius: 6px; font-weight: 700; letter-spacing: .3px; }
.flag.sale { background: var(--danger); color: #fff; }
.flag.tag { background: rgba(255, 255, 255, .92); color: #33415c; border: 1px solid var(--line-2); font-weight: 500; }
.stock { position: absolute; top: 10px; right: 10px; font-size: 11.5px; padding: 3px 8px; border-radius: 6px;
  background: rgba(255, 255, 255, .92); border: 1px solid var(--line-2); color: var(--forest); }
.stock.out { color: var(--muted-2); }
.p-body { padding: 15px 16px 17px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.p-name { font-size: 15px; font-weight: 600; margin: 0; }
.p-name a:hover { color: var(--brand-ink); }
.p-meta { color: var(--muted-2); font-size: 12.5px; }
.p-rate { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.p-price { display: flex; align-items: baseline; gap: 8px; margin-top: auto; padding-top: 8px;
  border-top: 1px solid var(--line); }
.p-price b { font-size: 19px; letter-spacing: .2px; }
.p-price s { color: var(--muted-2); font-size: 13px; }
/* 价格、数量等数字使用等宽数字，对齐更精致 */
.p-price b, .p-price s, .d-price b, .d-price s, .qty span, .line-total, .sum-row.total,
.rev-avg b, .rev-score, .rev-dist .c { font-feature-settings: "tnum" 1, "kern"; }
.p-act { display: flex; gap: 8px; margin-top: 11px; }
.p-act .btn { flex: 1; }
.icon-cart { width: 42px; flex: none; }

.empty { text-align: center; padding: 66px 20px; color: var(--muted); }
.empty h3 { color: var(--text); }

.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 30px; color: var(--muted); }

/* ---------------- 商品详情 ---------------- */
.detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; margin-top: 16px; }
.gal-main { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-2); }
.gal-main img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gal-thumbs { display: flex; gap: 10px; margin-top: 10px; }
.gal-thumbs button { flex: 1; padding: 0; border-radius: 10px; overflow: hidden; cursor: pointer;
  border: 1px solid var(--line); background: var(--bg-2); }
.gal-thumbs button.on { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.gal-thumbs img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.d-title { font-size: clamp(22px, 2.6vw, 30px); margin: 8px 0 10px; }
.d-price { display: flex; align-items: baseline; gap: 12px; margin: 14px 0; }
.d-price b { font-size: 30px; }
.d-price s { color: var(--muted-2); }
.d-price .save { color: var(--danger); font-size: 13px; font-weight: 700; }
.d-sum { color: var(--muted); margin: 0 0 18px; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; }
.qty button { width: 38px; height: 40px; background: var(--surface); border: 0; color: var(--text); cursor: pointer; }
.qty button:hover { background: var(--surface-2); }
.qty span { width: 44px; text-align: center; }
.d-act { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 18px 0; }
.d-list { display: grid; gap: 9px; margin: 0 0 20px; }
.d-list li { display: flex; gap: 10px; color: var(--text-2); font-size: 14px; }
.d-list .ic { color: var(--forest); margin-top: 3px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table td { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { color: var(--muted); width: 38%; }
.trust-mini { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-top: 6px; }
.trust-mini span { display: flex; align-items: center; gap: 7px; }
.trust-mini .ic { color: var(--forest); }

.rev-list { display: grid; gap: 12px; }
.rev { padding: 16px 18px; }
.rev-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rev-top b { font-size: 14px; }
.rev-top .when { color: var(--muted-2); font-size: 12.5px; margin-left: auto; }
.rev p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

/* ---------------- 评价区（评分总览 + 卡片网格） ---------------- */
.rev-sec { background: var(--bg-2); border-top: 1px solid var(--line); }
.rev-wrap { display: grid; grid-template-columns: 292px 1fr; gap: 22px; align-items: start; }
.rev-summary { padding: 22px 24px 24px; }
.rev-avg { display: flex; align-items: center; gap: 15px; }
.rev-avg b { font-size: 46px; line-height: 1; font-weight: 700; letter-spacing: -.03em; }
.rev-avg .stars { display: flex; }
.rev-avg span { display: block; font-size: 12.5px; color: var(--muted-2); margin-top: 4px; }
.rev-summary > p { margin: 14px 0 0; }
.rev-dist { display: grid; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.rev-dist li { display: grid; grid-template-columns: 12px 14px 1fr 20px; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--muted); }
.rev-dist .ic { width: 13px; height: 13px; color: var(--brand); }
.rev-dist .bar { height: 6px; border-radius: 99px; background: var(--line); overflow: hidden; }
.rev-dist .bar i { display: block; height: 100%; background: var(--brand); border-radius: 99px; }
.rev-dist .c { text-align: right; color: var(--muted-2); }
.rev-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.rev-score { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--brand-ink); }
.rev-by { color: var(--muted-2) !important; font-size: 13px !important; margin-top: 10px !important;
  padding-top: 10px; border-top: 1px solid var(--line); }
.rev-by span { color: var(--muted); }

/* ---------------- 购物车 / 结账 ---------------- */
.cart-wrap { display: grid; grid-template-columns: 1.55fr .95fr; gap: 26px; align-items: start; margin-top: 14px; }
.line { display: grid; grid-template-columns: 96px 1fr auto; gap: 15px; padding: 15px; align-items: center; }
.line + .line { border-top: 1px solid var(--line); }
.line img { width: 96px; height: 72px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.line-name { font-weight: 600; font-size: 14.5px; }
.line-meta { color: var(--muted-2); font-size: 12.5px; }
.line-ops { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.link-btn { background: none; border: 0; color: var(--muted-2); cursor: pointer; padding: 0;
  display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; }
.link-btn:hover { color: var(--danger); }
.line-total { text-align: right; font-weight: 700; }

.sum { padding: 18px 20px; position: sticky; top: calc(var(--head-h) + 60px); }
.sum h3 { font-size: 16px; }
.sum-row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; color: var(--muted); font-size: 14px; }
.sum-row.total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 14px; color: var(--text); font-size: 17px; font-weight: 700; }
.free-hint { font-size: 12.5px; color: var(--forest); background: rgba(47, 107, 79, .08);
  border: 1px solid rgba(47, 107, 79, .26); padding: 8px 11px; border-radius: 9px; margin: 6px 0 12px; }
.coupon { display: flex; gap: 8px; margin: 12px 0; }
.coupon input { flex: 1; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 9px 12px; outline: 0; }
.coupon-hint { font-size: 12.5px; color: var(--muted-2); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.wide { grid-column: 1 / -1; }
.field span { font-size: 13px; color: var(--muted); }
.field input, .field textarea { width: 100%; }
.field textarea { resize: vertical; min-height: 74px; }
.field .err { color: var(--danger); font-size: 12px; min-height: 15px; }
.pay-opts { display: grid; gap: 10px; margin: 6px 0 4px; }
.pay-opt { display: flex; align-items: center; gap: 11px; padding: 13px 15px; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); }
.pay-opt:has(input:checked) { border-color: var(--brand-line); background: var(--brand-soft); }
.pay-opt input { accent-color: var(--brand); }
.pay-opt .ic { color: var(--brand-ink); }
.notice { display: flex; gap: 11px; padding: 13px 15px; border-radius: var(--radius-s);
  background: rgba(42, 111, 158, .07); border: 1px solid rgba(42, 111, 158, .22); color: var(--text-2); font-size: 13px; }
.notice .ic { color: var(--steel); flex: none; margin-top: 2px; }

.done { max-width: 640px; margin: 40px auto; text-align: center; padding: 40px 30px; }
.done .seal { width: 66px; height: 66px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; background: rgba(47, 107, 79, .12); border: 1px solid rgba(47, 107, 79, .4); color: var(--forest); }
.done .seal .ic { width: 30px; height: 30px; }
.order-no { font-family: ui-monospace, Menlo, Consolas, monospace; letter-spacing: 1px; color: var(--brand-ink); }

/* ---------------- 静态页 ---------------- */
.doc { max-width: 820px; margin-top: 12px; }
.doc h3 { margin-top: 28px; font-size: 17px; }
.doc p { color: var(--muted); }

/* ---------------- 页脚 ---------------- */
.site-foot { border-top: 1px solid var(--line); margin-top: 56px; background: var(--navy-2); padding-top: 44px; color: #c3cedd; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 26px; padding-bottom: 30px; }
.site-foot .brand-txt { color: #fff; }
.site-foot h4 { font-size: 12.5px; letter-spacing: 1.4px; text-transform: uppercase; color: #7f8ea4; }
.site-foot li { margin: 9px 0; color: #a8b6c8; font-size: 14px; }
.site-foot li a:hover { color: #fff; }
.site-foot .ic { color: #7f8ea4; }
.foot-blurb { color: #a8b6c8; font-size: 13.5px; margin: 14px 0 16px; }
.sub { display: flex; gap: 8px; }
.sub input { flex: 1; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  color: #fff; border-radius: var(--radius-s); padding: 9px 12px; outline: 0; min-width: 0; }
.sub input::placeholder { color: #7f8ea4; }
.sub input:focus { border-color: var(--brand); background: rgba(255, 255, 255, .1); }
.sub-note { font-size: 12.5px; color: var(--brand); min-height: 18px; margin: 8px 0 0; }
.contact li { color: #a8b6c8; }
.foot-btm { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 16px 22px 28px; color: #7f8ea4; font-size: 12.5px; }
.foot-btm .small { color: #7f8ea4; }
.demo-flag { border: 1px dashed var(--line-2); padding: 3px 10px; border-radius: 999px; }

/* ---------------- Toast ---------------- */
.toast-wrap { position: fixed; right: 20px; bottom: 20px; z-index: 90; display: grid; gap: 10px; }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 11px;
  background: var(--surface); border: 1px solid var(--line-2); box-shadow: var(--shadow-l); font-size: 14px;
  animation: tin .26s ease; max-width: 330px; }
.toast .ic { color: var(--forest); }
.toast.warn .ic { color: var(--brand); }
.toast.out { animation: tout .26s ease forwards; }
@keyframes tin { from { opacity: 0; transform: translateY(14px); } }
@keyframes tout { to { opacity: 0; transform: translateY(10px); } }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .usp { grid-template-columns: repeat(2, 1fr); }
  .usp > div:nth-child(odd) { border-left: 0; }
  .usp > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .rev-wrap { grid-template-columns: 1fr; }
  .rev-summary { display: grid; grid-template-columns: auto 1fr; gap: 6px 26px; align-items: center; }
  .rev-summary > p { margin: 0; }
  .rev-dist { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .detail, .cart-wrap { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; gap: 30px; }
  .story-media { order: -1; }
  .sum { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero-slide { grid-template-columns: 1fr; }
  .hero-media { min-height: 300px; }
  .hero-panel { padding: 40px 32px 66px; }
  .hero-dots { left: 32px; bottom: 26px; }
}
@media (max-width: 760px) {
  .only-m { display: grid; }
  .search { order: 3; max-width: none; flex-basis: 100%; }
  .head-in { flex-wrap: wrap; height: auto; padding-top: 12px; padding-bottom: 12px; gap: 12px; }
  .head-nav { position: fixed; inset: auto 0 0 0; top: 0; background: rgba(255, 255, 255, .98);
    flex-direction: column; align-items: stretch; justify-content: center; gap: 8px; padding: 30px 26px;
    font-size: 17px; display: none; z-index: 60; }
  .head-nav.open { display: flex; }
  .head-nav > a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .head-nav .btn { justify-content: center; margin-top: 10px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .cat-tiles, .rev-grid { grid-template-columns: 1fr; }
  .sec { padding: 36px 0; }
  .sec-head { flex-wrap: wrap; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .grid, .usp { grid-template-columns: 1fr; }
  .usp > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .line { grid-template-columns: 74px 1fr; }
  .line img { width: 74px; height: 60px; }
  .line-total { grid-column: 2; text-align: left; }
  .foot-grid { grid-template-columns: 1fr; }
  .rev-summary { grid-template-columns: 1fr; }
  .hero-panel { padding: 32px 22px 62px; }
  .hero-panel h2 { font-size: 26px; }
  .hero-dots { left: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}