/* stylesheet v2 (2026-09-29) — 品牌无关，改站名不需要动这个文件
   移动优先。断点：980 / 720 / 400。
   性能约束（规范 B2）：单文件、无外链、无框架、无 web font。
   内容约束（规范 E）：没有「可复制优惠码」样式 —— 我们没有优惠码。 */

:root{
  --bg:#f4f6fa; --card:#fff; --text:#0f172a; --muted:#5b6a80; --line:#e6eaf2;
  --primary:#2563eb; --primary-dark:#1d4ed8; --primary-soft:#eef3ff;
  --deal:#e11d48; --deal-dark:#be123c; --deal-soft:#fff1f4;
  --ok:#047857; --ok-soft:#ecfdf5;
  --warn:#b45309; --warn-soft:#fffbeb;
  --radius:16px; --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.05);
  --shadow-2:0 12px 28px -10px rgba(15,23,42,.22);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:#fff;padding:8px 14px;border-radius:8px}

/* ---------------- header ---------------- */
.top{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.topin{position:relative;max-width:var(--wrap);margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:14px}
.brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:18px;
  letter-spacing:-.015em;color:var(--text);white-space:nowrap}
.brand:hover{text-decoration:none;color:var(--primary-dark)}
.brand .mark{width:22px;height:22px;color:var(--primary);flex:none}
/* 常驻精选榜（桌面可见，移动端隐藏） */
.quicknav{display:flex;gap:4px;align-items:center;margin-left:auto;padding:2px;
  overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.quicknav::-webkit-scrollbar{display:none}
.quicknav a{color:#475569;font-weight:600;font-size:14px;padding:8px 12px;border-radius:999px;
  white-space:nowrap;transition:background .15s,color .15s}
.quicknav a:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none}
/* 分类面板：桌面为右侧三列下拉，移动端为全宽抽屉（纯 CSS 开关，无 JS） */
.topnav{position:absolute;top:100%;right:0;z-index:70;display:none;
  grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;
  width:min(700px,calc(100vw - 36px));padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-2)}
.navtoggle:checked ~ .topnav{display:grid}
.topnav a{color:#475569;font-weight:600;font-size:14px;line-height:1.25;
  padding:10px 12px;border-radius:10px;transition:background .15s,color .15s}
.topnav a:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none}
/* 分类按钮：桌面为「☰ Categories」，移动端为纯图标 */
/* 折叠菜单的开关：不能 display:none —— 那样键盘用户根本 Tab 不到它，
   整个分类菜单就只剩鼠标能用。改成「不可见但可聚焦」，并给 label 加聚焦环。 */
.navtoggle{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;
  overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.navtoggle:focus-visible ~ .navburger{outline:2px solid var(--primary);outline-offset:2px}
.navburger{display:inline-flex;flex:none;cursor:pointer;align-items:center;justify-content:center;
  gap:7px;height:38px;padding:0 13px;border-radius:11px;font-weight:600;font-size:14px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  transition:background .15s,color .15s,border-color .15s}
.navburger:hover{background:var(--primary-soft);color:var(--primary-dark)}
.navburger svg{width:20px;height:20px;display:block}
.navburger .ico-x{display:none}
.navtoggle:checked ~ .navburger{background:var(--primary-soft);color:var(--primary-dark);
  border-color:#c7d8ff}
.navtoggle:checked ~ .navburger .ico-bars{display:none}
.navtoggle:checked ~ .navburger .ico-x{display:block}

/* ---------------- layout ---------------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:22px 18px 8px}

/* ---------------- hero ---------------- */
.hero{position:relative;overflow:hidden;border-radius:22px;padding:44px 28px 38px;text-align:center;
  background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 45%,#3b82f6 100%);color:#fff;
  box-shadow:0 18px 40px -18px rgba(37,99,235,.6)}
.hero::after{content:"";position:absolute;top:-40%;right:-10%;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 62%);pointer-events:none}
.hero h1{position:relative;font-size:clamp(1.5rem,3.6vw,2.15rem);line-height:1.2;
  letter-spacing:-.02em;margin-bottom:10px;max-width:22ch;margin-left:auto;margin-right:auto}
.hero .tag{position:relative;color:rgba(255,255,255,.93);font-size:clamp(.95rem,1.6vw,1.08rem);
  max-width:60ch;margin:0 auto 18px}
.hstats{position:relative;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.hstat{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:999px;
  padding:7px 15px;font-size:.86rem;font-weight:600;
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.hstat b{font-weight:800;font-size:.95rem}

/* ---------------- section heads ---------------- */
.head{margin:0 0 30px}
.head h1{font-size:clamp(1.3rem,2.6vw,1.7rem);letter-spacing:-.015em;margin-bottom:8px}
.head h2{font-size:1.16rem;letter-spacing:-.01em;margin-bottom:16px;padding-bottom:9px;
  border-bottom:2px solid var(--line);position:relative}
.head h2::after{content:"";position:absolute;left:0;bottom:-2px;width:52px;height:2px;background:var(--primary)}
.head .intro{color:var(--muted);font-size:.94rem;max-width:72ch;margin-bottom:8px}
.count{font-size:.88rem;color:var(--muted);font-weight:600}
.count b{color:var(--primary-dark);font-weight:800}

/* ---------------- breadcrumb ---------------- */
.crumb{font-size:.84rem;color:var(--muted);margin-bottom:16px;line-height:1.8}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--primary)}
.crumb span{margin:0 7px;color:#cbd5e1}
.crumb .cur{color:var(--text);font-weight:600;margin:0;display:inline-block;
  max-width:min(100%,46ch);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}

/* ---------------- category grid ---------------- */
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.catcard{display:flex;flex-direction:column;gap:3px;background:var(--card);padding:15px 17px;
  border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text);
  box-shadow:var(--shadow-1);transition:transform .15s,border-color .15s,box-shadow .15s}
.catcard:hover{text-decoration:none;transform:translateY(-2px);border-color:#c7d7fb;box-shadow:var(--shadow-2)}
.catcard .cn{font-weight:700;font-size:.95rem;letter-spacing:-.01em}
.catcard .cc{color:var(--muted);font-size:.82rem}

/* ---------------- curated chips ---------------- */
.chips{display:flex;gap:9px;flex-wrap:wrap}
.typechip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 17px;
  font-weight:600;font-size:.9rem;color:var(--text);box-shadow:var(--shadow-1);
  transition:border-color .15s,color .15s,background .15s}
.typechip:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-soft);text-decoration:none}

/* ---------------- product grid + card ---------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#dbe4f3}
.thumb{position:relative;display:flex;align-items:center;justify-content:center;
  aspect-ratio:1/1;padding:16px;background:#fff;overflow:hidden}
.thumb img{max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply;
  transition:transform .28s ease}
.card:hover .thumb img{transform:scale(1.045)}
.ribbon{position:absolute;top:10px;left:10px;background:var(--deal);color:#fff;font-size:12px;
  font-weight:800;padding:4px 10px;border-radius:999px;letter-spacing:.01em;
  box-shadow:0 3px 10px rgba(225,29,72,.36)}
.noimg{width:56px;height:56px;background:#eef2f7;border-radius:10px}
.cbody{padding:13px 15px 15px;display:flex;flex-direction:column;gap:7px;flex:1}
.cbody h3{font-size:.94rem;line-height:1.42;font-weight:650;min-height:2.68em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cbody h3 a{color:var(--text)}
.cbody h3 a:hover{color:var(--primary-dark);text-decoration:none}
.brand{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:800}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.now{font-size:1.3rem;font-weight:800;color:var(--deal);letter-spacing:-.025em}
.was{color:var(--muted);font-size:.85rem;text-decoration:line-through}
.save{background:var(--deal-soft);color:var(--deal-dark);font-size:.73rem;font-weight:800;
  padding:3px 8px;border-radius:999px;white-space:nowrap}
.meta{font-size:.78rem;color:var(--muted);display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.stars{color:#f59e0b;letter-spacing:-.5px;font-size:.85rem}
.bds{display:flex;gap:5px;flex-wrap:wrap}
.bd{font-size:.65rem;font-weight:800;padding:3px 8px;border-radius:999px;
  text-transform:uppercase;letter-spacing:.035em}
.bd-top{background:var(--ok-soft);color:var(--ok)}
.bd-cpn{background:var(--warn-soft);color:var(--warn)}
.cpn{font-size:.78rem;color:var(--warn);background:var(--warn-soft);border-radius:8px;padding:6px 10px}
.buy{display:block;text-align:center;padding:11px 14px;background:var(--primary);color:#fff;
  font-weight:700;font-size:.9rem;border-radius:var(--radius-sm);margin-top:auto;
  transition:background .15s,transform .1s}
.buy:hover{background:var(--primary-dark);text-decoration:none}
.buy:active{transform:scale(.985)}
.buy.big{padding:14px 22px;font-size:.98rem;max-width:340px;margin:16px 0}

/* ---------------- pagination ---------------- */
.pager{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:18px 0}
.pager a{color:var(--text);background:var(--card);border:1px solid var(--line);padding:7px 13px;
  border-radius:9px;font-size:.88rem;font-weight:600;box-shadow:var(--shadow-1)}
.pager a:hover{border-color:var(--primary);color:var(--primary-dark);text-decoration:none}
.pager a.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.pager .gap{color:var(--muted);padding:0 2px}

/* ---------------- detail page ---------------- */
.detail{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:34px;
  align-items:start;margin-bottom:32px}
.dthumb{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;padding:22px;aspect-ratio:1/1;
  box-shadow:var(--shadow-1)}
.dthumb img{max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.dinfo h1{font-size:clamp(1.22rem,2.4vw,1.58rem);line-height:1.34;letter-spacing:-.015em;margin-bottom:14px}
.dprice{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.dprice .now{font-size:2.1rem}
.dprice .was{font-size:1rem}
.dprice .save{font-size:.85rem;padding:5px 11px}
.dprice .off{background:var(--deal-soft);color:var(--deal-dark);font-size:.85rem;font-weight:800;
  padding:5px 11px;border-radius:999px}
.facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-top:24px;
  border-top:1px solid var(--line);padding-top:20px}
.facts div{display:flex;flex-direction:column;gap:2px}
.facts dt{font-size:.71rem;color:var(--muted);text-transform:uppercase;letter-spacing:.055em;font-weight:800}
.facts dd{font-size:.93rem}
.dfeat,.dnote{grid-column:1/-1;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;margin-bottom:18px;box-shadow:var(--shadow-1)}
.dfeat h2,.dnote h2{font-size:1.04rem;margin-bottom:10px;letter-spacing:-.01em}
.dfeat ul{padding-left:20px;font-size:.92rem}
.dfeat li{margin-bottom:5px}
.dnote p{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.dnote p:last-child{margin-bottom:0}

/* ---------------- legal ---------------- */
.legal{max-width:760px;margin:0 auto;padding:12px 0 40px}
.legal h1{font-size:clamp(1.35rem,3vw,1.7rem);margin-bottom:14px;letter-spacing:-.015em}
.legal p{margin-bottom:14px}
.legal code{background:#eef2f7;padding:1px 6px;border-radius:5px;font-size:.9em}

/* ---------------- footer ---------------- */
.foot{border-top:1px solid var(--line);margin-top:26px;background:#fff}
.footin{max-width:var(--wrap);margin:0 auto;padding:26px 18px;text-align:center;color:var(--muted);
  font-size:.82rem}
.foot p{margin-bottom:9px}
.foot .disclosure,.foot .sync{max-width:74ch;margin:0 auto 9px;line-height:1.65}
.foot .sync{color:#94a3b8}
.foot .flinks a{color:var(--primary-dark);font-weight:600}
.foot .copy{color:#a3aec2;margin-bottom:0}

/* ---------------- responsive ---------------- */
@media(max-width:980px){
  .detail{grid-template-columns:1fr;gap:22px}
  .dthumb{max-width:420px;width:100%;margin:0 auto}
}
@media(max-width:720px){
  .wrap{padding:16px 13px 6px}
  .topin{padding:9px 13px;gap:10px}
  .brand{font-size:16px}
  .brand .mark{width:19px;height:19px}
  /* 移动端：精选榜隐藏，分类面板变为全宽抽屉 */
  .quicknav{display:none}
  .burger-label{display:none}
  .navburger{margin-left:auto;width:42px;height:42px;padding:0}
  .topnav{left:0;right:0;width:auto;padding:8px 12px 14px;grid-template-columns:1fr;
    border-left:0;border-right:0;border-top:0;border-radius:0;
    /* 抽屉铺满剩余视口，否则下面会露出页面内容，而滚动又被锁住了 */
    min-height:calc(100vh - 54px);
    max-height:calc(100vh - 54px);overflow-y:auto;overscroll-behavior:contain}
  body:has(.navtoggle:checked){overflow:hidden}
  .topnav a{padding:11px 12px;font-size:14.5px}
  .hero{border-radius:18px;padding:28px 18px 26px}
  .hero .tag{margin-bottom:14px}
  .hstat{padding:6px 12px;font-size:.8rem}
  .head{margin-bottom:22px}
  .head h2{font-size:1.06rem}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .catgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .thumb{padding:11px}
  .cbody{padding:11px 12px 13px;gap:6px}
  .cbody h3{font-size:.87rem}
  .now{font-size:1.14rem}
  .save{font-size:.68rem;padding:2px 7px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dfeat,.dnote{padding:17px 16px}
  /* 详情页：底部常驻 CTA（配合 body.detail-page 的留白） */
  .detail-page{padding-bottom:78px}
  .buy.big{position:fixed;left:0;right:0;bottom:0;z-index:55;max-width:none;margin:0;
    border-radius:0;padding:16px;font-size:1rem;box-shadow:0 -8px 24px rgba(15,23,42,.18)}
}
@media(max-width:400px){
  .grid{gap:10px}
  .cbody h3{font-size:.83rem}
  .now{font-size:1.06rem}
  .catcard{padding:12px 13px}
  .catcard .cn{font-size:.88rem}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover{transform:none}
}