/* Sixteen Threads — 站点样式（首页 / 详情 / 购物车共用）
   配色取自商品本身，用中国传统色名：竹青 石绿 朱砂 藤黄 桃粉 天青 */
:root {
  --cream:#FFFBF3; --cream2:#FFF5E6; --card:#FFFFFF; --card-0:rgba(255,255,255,0);
  --ink:#3A2E22; --ink2:#806E5B; --line:#F0E2CC; --line2:#E2CFB2;
  --bamboo:#2E9E6B; --malachite:#28B9A0; --cinnabar:#F0553D;
  --gamboge:#FFC23C; --peach:#FF93AB; --sky:#4FB2E8;
  --mint-bg:#E7F7EF; --rose-bg:#FFEFEA; --sky-bg:#E8F4FD;
  --sun-bg:#FFF4DA; --peach-bg:#FFEDF1;
  --deep:#1C6B4B; --deep-fg:#EFFBF4; --deep-fg2:#A9D8C1; --deep-line:#2D8460;
  --hero-grad:linear-gradient(100deg,#24875A 0%,#2E9E6B 32%,rgba(43,174,135,.60) 63%,rgba(40,185,160,0) 90%);
  --hero-grad-v:linear-gradient(168deg,#24875A 0%,#2E9E6B 34%,rgba(43,174,135,.58) 66%,rgba(40,185,160,0) 94%);
  --r-lg:24px; --r-md:16px; --r-sm:11px; --pill:999px;
  --pop:0 2px 0 rgba(58,46,34,.07),0 12px 26px -16px rgba(58,46,34,.38);
  --display:"Baloo 2","Trebuchet MS",system-ui,sans-serif;
  --body:"Nunito","Segoe UI",system-ui,sans-serif;
  --han:"Noto Serif SC","Songti SC",serif;
  --shell:1280px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --cream:#1D1A15; --cream2:#26221A; --card:#272319; --card-0:rgba(39,35,25,0);
    --ink:#F7EFE2; --ink2:#BCAB94; --line:#3B342A; --line2:#4E4436;
    --bamboo:#4FC98D; --malachite:#49D8BE; --cinnabar:#FF7A64;
    --gamboge:#FFD066; --peach:#FFAEC2; --sky:#74C8F3;
    --mint-bg:#1B3329; --rose-bg:#37241F; --sky-bg:#1C2E39;
    --sun-bg:#352C18; --peach-bg:#37242A;
    --deep:#17563C; --deep-line:#276F50;
    --hero-grad:linear-gradient(100deg,#14523A 0%,#1E6E4C 32%,rgba(28,122,94,.60) 63%,rgba(26,128,111,0) 90%);
    --hero-grad-v:linear-gradient(168deg,#14523A 0%,#1E6E4C 34%,rgba(28,122,94,.58) 66%,rgba(26,128,111,0) 94%);
  }
}
*,*::before,*::after { box-sizing:border-box; }
body {
  margin:0; background:var(--cream); color:var(--ink);
  font-family:var(--body); font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.shell { max-width:var(--shell); margin-inline:auto; padding-inline:20px; }
@media (max-width:640px){ .shell{ padding-inline:14px; } }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; }
h1,h2,h3 { font-family:var(--display); font-weight:700; letter-spacing:-.01em; }
:focus-visible { outline:3px solid var(--bamboo); outline-offset:2px; border-radius:6px; }
.sr { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
.zh { font-family:var(--han); }

/* ── 顶部信息条 ─────────────────────────────── */
.util { background:var(--cream2); font-size:11.5px; font-weight:700; color:var(--ink2); }
.util-in { display:flex; gap:18px; flex-wrap:wrap; padding-block:7px; align-items:center; }
.util .right { margin-left:auto; display:flex; gap:16px; flex-wrap:wrap; }
.util b { color:var(--cinnabar); }

/* ── 头部 ───────────────────────────────────── */
.head { background:var(--cream); position:sticky; top:0; z-index:20; }
.head-in { display:flex; align-items:center; gap:18px; padding-block:12px; flex-wrap:wrap; }
.wordmark { display:flex; align-items:center; gap:9px; flex:none; }
.wordmark .logo { width:40px; height:37px; flex:none; }
.wordmark .en { font-family:var(--display); font-weight:800; font-size:20px; line-height:1; color:var(--bamboo); }
.search { flex:1 1 320px; display:flex; min-width:200px; }
.search input {
  flex:1; min-width:0; font:inherit; font-size:14px;
  border:2px solid var(--bamboo); border-right:none;
  border-radius:var(--pill) 0 0 var(--pill);
  padding:10px 18px; background:var(--card); color:var(--ink);
}
.search button {
  font:inherit; font-weight:800; font-size:13.5px; cursor:pointer;
  border:2px solid var(--bamboo); background:var(--bamboo); color:#fff;
  border-radius:0 var(--pill) var(--pill) 0; padding:10px 24px;
}
.head-act { display:flex; gap:9px; align-items:center; flex:none; margin-left:auto; }
.pillbtn { font-size:13px; font-weight:800; padding:9px 16px; border-radius:var(--pill); border:2px solid var(--line2); }
.pillbtn.solid { background:var(--ink); color:var(--cream); border-color:var(--ink); }
.pillbtn.solid:hover { background:var(--bamboo); border-color:var(--bamboo); color:#fff; }

/* ── 品类导航：主品类平铺 + More 下拉 ───────────
   不做横向滚动，所以永远不会出现滚动条，下拉面板也不会被裁切。
   窄屏时按优先级逐个收起，收起的项在 More 面板里都能找到。   */
.catnav {
  background:var(--card); border-block:1px solid var(--line);
  position:relative; z-index:30;
}
.catnav-in { display:flex; align-items:center; gap:2px; padding-block:8px; }

.catnav a, .more-btn {
  font-family:var(--body); font-size:13.5px; font-weight:700; color:var(--ink2);
  padding:8px 14px; border-radius:var(--pill); white-space:nowrap; flex:none;
}
.catnav a:hover, .more-btn:hover { background:var(--mint-bg); color:var(--bamboo); }
.catnav a.hot { color:var(--cinnabar); }
.catnav a.hot:hover { background:var(--rose-bg); color:var(--cinnabar); }

/* 主行占满剩余空间并裁掉溢出，JS 据此判断装不装得下 */
.cat-row { display:flex; align-items:center; gap:2px; flex:1 1 auto; min-width:0; overflow:hidden; }

.more-btn {
  display:inline-flex; align-items:center; gap:7px; flex:none;
  background:none; border:none; cursor:pointer;
}
.more-btn[aria-expanded="true"] { background:var(--mint-bg); color:var(--bamboo); }
.more-btn .caret { font-size:10px; transition:transform .18s ease; }
.more-btn[aria-expanded="true"] .caret { transform:rotate(180deg); }

/* ── 全品类面板 ─────────────────────────────── */
.mega {
  position:absolute; top:100%; left:0; right:0; z-index:30;
  background:var(--card); border-bottom:1px solid var(--line);
  box-shadow:0 20px 44px -26px rgba(58,46,34,.55);
  animation:megaDrop .2s cubic-bezier(.22,1,.36,1);
}
.mega[hidden] { display:none; }
@keyframes megaDrop { from { opacity:0; transform:translateY(-10px); } }
.mega-in { padding-block:24px 30px; }
.mega-head { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:20px; }
.mega-head h2 { font-size:20px; }
.mega-x {
  font:inherit; font-size:15px; font-weight:800; line-height:1;
  width:36px; height:36px; border-radius:50%; flex:none;
  border:2px solid var(--line2); background:none; color:var(--ink2); cursor:pointer;
}
.mega-x:hover { border-color:var(--cinnabar); color:var(--cinnabar); }

.mega-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(124px,1fr)); gap:22px 14px; }
.mega-cat { display:flex; flex-direction:column; align-items:center; text-align:center; gap:9px; }
.mega-cat .orb {
  width:86px; height:86px; border-radius:50%; overflow:hidden;
  border:3px solid var(--card); box-shadow:var(--pop); transition:transform .18s ease;
}
.mega-cat:hover .orb { transform:translateY(-4px); }
.mega-cat .orb img { width:100%; height:100%; object-fit:cover; }
.mega-cat .nm { font-size:13px; font-weight:800; line-height:1.25; }
.mega-cat .zh { font-family:var(--han); font-size:11px; color:var(--ink2); }

.backdrop { position:fixed; inset:0; z-index:25; background:rgba(28,22,14,.34); }
.backdrop[hidden] { display:none; }

/* ── Banner ─────────────────────────────────── */
.banner {
  position:relative; overflow:hidden; color:#FFFDF7; margin-top:14px;
  background:url("img/swing.png") no-repeat right 3% bottom 0/auto 132%, var(--hero-grad);
  border-radius:var(--r-lg);
}
.banner-in { padding:34px 30px; min-height:210px; display:flex; align-items:center; }
.banner-copy { max-width:560px; }
.banner h1 { font-size:clamp(25px,3.6vw,38px); line-height:1.1; margin:0 0 9px; color:#FFFDF7; }
.banner h1 em { font-style:normal; color:var(--gamboge); }
.banner p { margin:0 0 18px; font-size:15px; font-weight:600; color:rgba(255,253,247,.9); max-width:46ch; }
.btn {
  display:inline-block; background:var(--gamboge); color:#43330D;
  font-size:14.5px; font-weight:800; padding:12px 26px;
  border-radius:var(--pill); box-shadow:var(--pop); transition:transform .16s ease;
}
.btn:hover { transform:translateY(-2px); }

/* ── 区块标题 ───────────────────────────────── */
.sec { padding-block:26px 6px; }
.sec-head { display:flex; align-items:baseline; justify-content:space-between; gap:14px; flex-wrap:wrap; margin-bottom:15px; }
.sec-head h2 { font-size:clamp(21px,2.5vw,27px); line-height:1.1; margin:0; }
.sec-head h2 .zh { font-size:12.5px; color:var(--ink2); letter-spacing:.08em; margin-left:8px; font-weight:400; }
.flag {
  display:inline-block; font-size:11px; font-weight:800; letter-spacing:.07em;
  text-transform:uppercase; padding:4px 11px; border-radius:var(--pill);
  background:var(--cinnabar); color:#fff; margin-left:10px; vertical-align:3px;
}
.page-h { font-size:clamp(26px,3.4vw,36px); margin:22px 0 18px; }

/* ── 品类圆图 ───────────────────────────────── */
.cats { display:grid; grid-template-columns:repeat(auto-fit,minmax(108px,1fr)); gap:16px 12px; }
.cat { display:flex; flex-direction:column; align-items:center; text-align:center; gap:9px; }
.cat .orb {
  width:100%; max-width:104px; aspect-ratio:1/1; border-radius:50%; overflow:hidden;
  border:3px solid var(--card); box-shadow:var(--pop); transition:transform .18s ease;
}
.cat:hover .orb { transform:translateY(-4px); }
.cat .orb img { width:100%; height:100%; object-fit:cover; }
.cat .nm { font-size:13px; font-weight:800; line-height:1.25; }
.cat .zh { font-size:11px; color:var(--ink2); }

/* ── 商品网格 ───────────────────────────────── */
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(172px,1fr)); gap:16px 14px; }
.p {
  display:flex; flex-direction:column; background:var(--card);
  border-radius:var(--r-md); overflow:hidden;
  transition:transform .16s ease, box-shadow .16s ease;
}
.p:hover { transform:translateY(-4px); box-shadow:var(--pop); }
.p .shot { position:relative; aspect-ratio:1/1; overflow:hidden; background:var(--cream2); }
.p .shot img { width:100%; height:100%; object-fit:cover; }
.few {
  position:absolute; top:8px; left:8px; background:var(--cinnabar); color:#fff;
  font-size:11px; font-weight:800; padding:3px 9px; border-radius:var(--pill);
}
.p .body { padding:10px 11px 13px; display:flex; flex-direction:column; flex:1; gap:2px; }
.p .nm {
  font-size:13.5px; font-weight:700; line-height:1.32;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; line-clamp:2; overflow:hidden;
}
.p .zh { font-size:11px; color:var(--ink2); }
.p .pr { margin-top:auto; padding-top:8px; font-family:var(--display); font-weight:800; font-size:19px; color:var(--bamboo); }
.t-mint{background:var(--mint-bg)!important}.t-rose{background:var(--rose-bg)!important}
.t-sky{background:var(--sky-bg)!important}.t-sun{background:var(--sun-bg)!important}
.t-peach{background:var(--peach-bg)!important}

/* ── 详情页 ─────────────────────────────────── */
.crumb { font-size:12.5px; font-weight:700; color:var(--ink2); padding-block:18px 14px; }
.crumb a:hover { color:var(--bamboo); }
.crumb b { color:var(--ink); }
.pdp { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:34px; align-items:start; }
.pdp-shot { aspect-ratio:1/1; border-radius:var(--r-lg); overflow:hidden; background:var(--cream2); }
.pdp-shot img { width:100%; height:100%; object-fit:cover; }
.pdp-info h1 { font-size:clamp(24px,3.2vw,34px); line-height:1.14; margin:0 0 4px; }
.pdp-info .zh { font-size:13px; color:var(--ink2); margin:0 0 18px; }
.pdp-price { font-family:var(--display); font-weight:800; font-size:34px; color:var(--cinnabar); margin:0 0 6px; line-height:1; }
.pdp-stock { font-size:13px; font-weight:800; color:var(--bamboo); margin:0 0 18px; }
.pdp-spec { margin:0 0 22px; border-top:1px dashed var(--line); }
.pdp-spec > div { display:flex; justify-content:space-between; gap:16px; padding:9px 0; border-bottom:1px dashed var(--line); font-size:14px; }
.pdp-spec dt { font-weight:800; font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink2); }
.pdp-spec dd { margin:0; font-weight:600; text-align:right; }
.pdp-buy { display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:20px; }
.qty { display:flex; align-items:center; border:2px solid var(--line2); border-radius:var(--pill); overflow:hidden; }
.qty button { font:inherit; font-size:18px; font-weight:800; width:38px; height:42px; border:none; background:none; color:var(--ink); cursor:pointer; line-height:1; }
.qty button:hover { color:var(--bamboo); }
.qty input { width:44px; height:42px; border:none; background:none; text-align:center; font:inherit; font-weight:800; color:var(--ink); }
.btn-add,.btn-buy { font:inherit; font-weight:800; font-size:14.5px; padding:13px 26px; border-radius:var(--pill); cursor:pointer; border:none; transition:transform .16s,background .16s; }
.btn-add { background:var(--ink); color:var(--cream); }
.btn-add:hover { background:var(--bamboo); }
.btn-buy { background:var(--gamboge); color:#43330D; box-shadow:var(--pop); }
.btn-buy:hover { transform:translateY(-2px); }
.pdp-trust { list-style:none; margin:0; padding:0; display:grid; gap:7px; }
.pdp-trust li { font-size:13px; font-weight:600; color:var(--ink2); display:flex; gap:9px; }
.pdp-trust li::before { content:"●"; color:var(--bamboo); font-size:8px; line-height:2.1; }
.pdp-desc { padding-block:36px 6px; max-width:68ch; }
.pdp-desc h2 { font-size:22px; margin:0 0 10px; }
.pdp-desc p { margin:0; font-size:15px; color:var(--ink2); font-weight:600; }

/* ── 购物车 ─────────────────────────────────── */
.cart-wrap { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr); gap:26px; align-items:start; }
.cart-list { background:var(--card); border-radius:var(--r-lg); padding:4px 22px; }
.cart-row { display:grid; grid-template-columns:84px minmax(0,1fr) auto; gap:16px; align-items:center; padding:18px 0; border-bottom:1px dashed var(--line); }
.cart-row:last-child { border-bottom:none; }
.cart-row > img { width:84px; height:84px; border-radius:var(--r-sm); object-fit:cover; background:var(--cream2); }
.cart-nm { font-size:15px; font-weight:800; line-height:1.3; }
.cart-nm a:hover { color:var(--bamboo); }
.cart-zh { font-family:var(--han); font-size:11.5px; color:var(--ink2); margin-top:3px; }
.cart-unit { font-size:12.5px; font-weight:700; color:var(--ink2); margin-top:7px; }
.cart-ctrl { display:flex; align-items:center; gap:16px; flex-wrap:wrap; justify-content:flex-end; }
.cqty { display:flex; align-items:center; border:2px solid var(--line2); border-radius:var(--pill); }
.cqty button { font:inherit; font-size:16px; font-weight:800; width:32px; height:36px; border:none; background:none; color:var(--ink); cursor:pointer; line-height:1; }
.cqty button:hover:not(:disabled) { color:var(--bamboo); }
.cqty button:disabled { opacity:.3; cursor:default; }
.cqty span { min-width:30px; text-align:center; font-weight:800; font-size:14px; }
.cart-lt { font-family:var(--display); font-weight:800; font-size:19px; min-width:74px; text-align:right; }
.rm { font:inherit; font-size:12px; font-weight:800; background:none; border:none; color:var(--ink2); cursor:pointer; text-decoration:underline; padding:0; }
.rm:hover { color:var(--cinnabar); }
.hint { background:var(--sun-bg); border-radius:var(--r-sm); padding:11px 14px; font-size:12.5px; font-weight:700; margin-bottom:15px; line-height:1.45; }
.hint.ok { background:var(--mint-bg); color:var(--bamboo); }
.cart-empty { background:var(--card); border-radius:var(--r-lg); padding:52px 26px; text-align:center; }
.cart-empty h2 { font-size:23px; margin:0 0 8px; }
.cart-empty p { font-size:14.5px; font-weight:600; color:var(--ink2); margin:0 0 20px; }
.sum { background:var(--card); border-radius:var(--r-lg); padding:22px; position:sticky; top:92px; }
.sum h3 { font-size:17px; margin:0 0 15px; }
.row { display:flex; justify-content:space-between; gap:12px; font-size:14px; font-weight:700; padding:5px 0; color:var(--ink2); }
.row.total { font-size:19px; font-weight:800; color:var(--ink); border-top:2px solid var(--line); margin-top:9px; padding-top:13px; }
.ok { color:var(--bamboo); font-weight:800; }
.btn-pay {
  display:block; width:100%; text-align:center; font-weight:800; font-size:16px;
  margin-top:16px; padding:15px; border:none; border-radius:var(--pill);
  background:var(--cinnabar); color:#fff; cursor:pointer;
}
.btn-pay:hover { filter:brightness(1.07); }
.backlink { display:inline-block; font-size:13px; font-weight:800; color:var(--bamboo); margin-top:14px; }
.backlink:hover { text-decoration:underline; }

/* ── 页脚 ───────────────────────────────────── */
footer { background:var(--deep); color:var(--deep-fg); border-radius:var(--r-lg) var(--r-lg) 0 0; margin:26px 14px 0; }
.foot-in { padding-block:34px 32px; }
.foot-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:26px; }
.foot-grid h4 { font-size:11px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; color:var(--deep-fg2); margin:0 0 10px; }
.foot-grid ul { list-style:none; margin:0; padding:0; }
.foot-grid li { font-size:13.5px; margin-bottom:5px; color:var(--deep-fg); font-weight:600; }
.foot-grid a:hover { text-decoration:underline; }
.seal { width:42px; height:42px; background:#C2412C; color:#fff; display:grid; place-items:center; font-family:var(--han); font-size:22px; margin-bottom:13px; border-radius:12px; }
.colophon {
  margin-top:26px; padding-top:16px; border-top:1px solid var(--deep-line);
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap;
  font-size:11.5px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--deep-fg2);
}

@media (max-width:900px){
  .pdp, .cart-wrap { grid-template-columns:1fr; }
  .sum { position:static; }
}
@media (max-width:760px){
  .banner { background:url("img/swing.png") no-repeat center bottom 0/auto 190px, var(--hero-grad-v); }
  .banner-in { padding:26px 20px 206px; min-height:0; }
  footer { margin-inline:8px; }
}
@media (max-width:560px){
  .cart-row { grid-template-columns:64px minmax(0,1fr); }
  .cart-row > img { width:64px; height:64px; }
  .cart-ctrl { grid-column:1/-1; justify-content:space-between; }
}
@media (prefers-reduced-motion: reduce){ *{ transition:none!important; animation:none!important; } }