:root{--bg:#ffffff;--fg:#1a1a1a;--muted:#666;--card:#f5f5f5;--line:#ddd;--accent:#2563eb;--accent-fg:#fff}
[data-theme="dark"]{--bg:#121212;--fg:#eee;--muted:#aaa;--card:#1e1e1e;--line:#333;--accent:#60a5fa;--accent-fg:#111}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6}
a{color:var(--accent);text-decoration:none}
.topbar{display:flex;gap:24px;align-items:center;padding:18px 28px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:var(--bg)}
.brand{font-weight:700;font-size:24px;color:var(--fg)}
.topbar nav{display:flex;gap:22px;flex-wrap:wrap;font-size:17px}
.top-actions{margin-left:auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap;font-size:17px}
.wrap{max-width:960px;margin:0 auto;padding:20px}
footer{border-top:1px solid var(--line);padding:16px 20px;text-align:center}
.muted{color:var(--muted);font-size:13px}
.flash{padding:10px 14px;border-radius:6px;margin:0 0 14px;background:var(--card);border:1px solid var(--line)}
.flash.ok{border-color:#22c55e}.flash.warn{border-color:#f59e0b}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.price{font-size:20px;font-weight:700}
button,.btn{display:inline-block;background:var(--accent);color:var(--accent-fg);border:0;border-radius:6px;padding:8px 16px;cursor:pointer;font-size:15px}
.btn-secondary{background:transparent;color:var(--fg);border:1px solid var(--line)}
input,select,textarea{width:100%;padding:9px 10px;margin:6px 0 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);font-size:15px}
label{font-size:14px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.delivery{background:var(--card);border:1px solid #22c55e;border-radius:8px;padding:14px;white-space:pre-wrap;word-break:break-word}
#csBtn{position:fixed;right:18px;bottom:18px;z-index:50;border-radius:999px;padding:12px 20px;box-shadow:0 4px 14px rgba(0,0,0,.25)}
#csPanel{position:fixed;right:18px;bottom:70px;z-index:50;width:320px;max-width:calc(100vw - 36px);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.cs-list{list-style:none;padding:0}
.form-narrow{max-width:480px}
.chat-log{max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:10px;background:var(--bg)}
.chat-msg{margin:6px 0;word-break:break-word}
.chat-msg .chat-who{font-weight:700;margin-right:6px;font-size:13px}
.chat-msg.from-admin .chat-who{color:var(--accent)}
#chatBox textarea{min-height:60px}
.chat-layout{display:grid;grid-template-columns:280px 1fr;gap:16px}
.chat-thread{cursor:pointer;padding:10px;border:1px solid var(--line);border-radius:8px;margin-bottom:8px}
.chat-thread.active{border-color:var(--accent)}
.chat-thread .unread{color:#dc2626;font-weight:700}
.chat-admin-log{height:420px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:12px}
@media (max-width:640px){.chat-layout{grid-template-columns:1fr}}
.admin-nav{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.editor{border:1px solid var(--line);border-radius:6px;margin:6px 0 12px;background:var(--bg)}
.editor-toolbar{display:flex;gap:6px;flex-wrap:wrap;padding:8px;border-bottom:1px solid var(--line)}
.editor-toolbar button{padding:5px 10px;font-size:14px}
.editor-body{min-height:200px;padding:12px;outline:none;word-break:break-word}
.editor-body:empty:before{content:"在此输入商品介绍…";color:var(--muted)}
.editor-body h2,.desc h2{font-size:20px;margin:14px 0 6px}
.editor-body h3,.desc h3{font-size:17px;margin:12px 0 6px}
.editor-body ul,.editor-body ol,.desc ul,.desc ol{padding-left:22px}
.desc p{margin:8px 0}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:20px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px}
.stat b{font-size:22px;display:block}

/* 首页（按 landing-page-design 视觉系统：字号与间距取自其字阶与间距表，动效只用位移与透明度） */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip-link{position:absolute;left:12px;top:-48px;z-index:100;background:var(--bg);color:var(--fg);padding:8px 12px;border:1px solid var(--line);border-radius:8px}
.skip-link:focus{top:12px}

.home-proof{margin:0 0 24px;font-size:14px;line-height:20px;color:var(--muted);text-wrap:pretty}
.home-cta{display:inline-block;padding:8px 12px;border-radius:8px;font-size:16px;line-height:24px;font-weight:600;background:var(--accent);color:var(--accent-fg);transition:transform .5s cubic-bezier(0.22,1,0.36,1)}
.home-cta:hover{transform:translateY(-2px)}
.home-cta:active{transform:scale(0.98)}
.home-section{margin-top:64px}
.home-h2{margin:0 0 24px;font-size:30px;line-height:36px;font-weight:600;text-wrap:balance}
.home-chips{display:flex;gap:12px;flex-wrap:wrap}
.home-chip{display:inline-block;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:16px;line-height:24px;font-weight:600;color:var(--fg);transition:transform .5s cubic-bezier(0.22,1,0.36,1),border-color .3s cubic-bezier(0.22,1,0.36,1)}
.home-chip:hover{transform:translateY(-2px);border-color:var(--accent)}
.pcard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;align-items:stretch}
.pcard{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--card);box-sizing:border-box;transition:transform .5s cubic-bezier(0.22,1,0.36,1),border-color .3s cubic-bezier(0.22,1,0.36,1)}
.pcard:hover{transform:translateY(-4px);border-color:var(--accent)}
.pcard-body{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center}
.pcard-cat{margin:0 0 12px;min-height:20px;font-size:14px;line-height:20px;color:var(--muted)}
.pcard-title{margin:0 0 12px;min-height:56px;font-size:20px;line-height:28px;font-weight:600;text-align:left;overflow-wrap:break-word}
.pcard-title a{color:var(--fg)}
.pcard-badges{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;min-height:28px;margin:0 0 12px}
.pcard-badge{padding:4px 8px;border:1px solid var(--line);border-radius:999px;background:var(--bg);font-size:12px;line-height:16px;color:var(--fg);white-space:nowrap}
.pcard-sub{margin:0 0 16px;min-height:40px;font-size:14px;line-height:20px;color:var(--muted);text-wrap:pretty;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.pcard-price-label{margin:0;font-size:12px;line-height:16px;color:var(--muted)}
.pcard-price{margin:0;font-size:20px;line-height:28px;font-weight:600;white-space:nowrap}
.pcard-actions{display:flex;gap:8px;align-items:center}
.pcard-cart{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border-radius:8px}
.pcard-cart svg{display:block}
.pcard-detail{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;font-size:18px;color:var(--fg)}
.home-empty{border:1px solid var(--line);border-radius:16px;padding:32px;background:var(--card)}
.home-empty-title{margin:0 0 8px;font-size:20px;line-height:28px;font-weight:600}
.home-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.home-step-num{display:inline-block;width:40px;height:40px;line-height:40px;text-align:center;border-radius:50%;background:var(--accent);color:var(--accent-fg);font-size:18px;font-weight:600;margin-bottom:16px}
.home-step-title{margin:0 0 8px;font-size:18px;line-height:28px;font-weight:500;text-wrap:balance}
.home-steps p{margin:0;font-size:16px;line-height:24px;text-wrap:pretty}
.home-tagline{max-width:680px;margin:0;font-size:36px;line-height:40px;font-weight:600;text-wrap:balance}
.home-tagline .tag-word{opacity:.3;transition:opacity .5s cubic-bezier(0.22,1,0.36,1)}
.home-tagline.is-visible .tag-word{opacity:1}
.home-faq{border:1px solid var(--line);border-radius:12px;padding:16px;margin:0 0 12px;background:var(--bg)}
.home-faq summary{cursor:pointer;font-size:16px;line-height:24px;font-weight:500}
.home-faq p{margin:12px 0 0;font-size:16px;line-height:24px;text-wrap:pretty}
.home-final .home-proof{margin-bottom:24px}
.reveal-init{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(0.22,1,0.36,1),transform .7s cubic-bezier(0.22,1,0.36,1)}
.reveal-init.is-visible{opacity:1;transform:none}
@media (max-width:640px){
  .home-tagline{font-size:30px;line-height:36px}
  .home-section{margin-top:48px}
}
@media (prefers-reduced-motion:reduce){
  .reveal-init{opacity:1;transform:none;transition:none}
  .home-tagline .tag-word{opacity:1;transition:none}
  .home-cta,.home-chip,.pcard{transition:none}
}

/* 首页浅绿主题（仅首页；深色模式下为深绿，首页不出现黑色） */
body.home-green{--bg:#f0f7f0;--fg:#1e3a24;--muted:#5c7a60;--card:#e4f1e4;--line:#c8e0c8;--accent:#2e7d32;--accent-fg:#ffffff}

[data-theme="dark"] body.home-green{--bg:#152a1a;--fg:#dceede;--muted:#9dbfa4;--card:#1d3a24;--line:#2c4a33;--accent:#66bb6a;--accent-fg:#10230f}


.tag-checks{display:flex;gap:16px;flex-wrap:wrap;margin:6px 0 12px}
.tag-checks label{display:inline-flex;align-items:center;color:var(--fg);cursor:pointer}
.tag-checks input{width:auto;margin:0 6px 0 0}

/* 商品购买页（两栏主卡片 + 下方详情区） */
.crumbs{font-size:14px;color:var(--muted);margin:0 0 16px}
.crumbs a{color:var(--muted)}
.detail-card{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--card)}
.detail-media img{width:100%;height:auto;border-radius:12px;display:block;background:var(--bg)}
.detail-media-empty{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:12px;color:var(--muted);padding:24px;text-align:center;background:var(--bg);overflow-wrap:break-word}
.detail-cat{margin:0 0 8px;color:var(--muted);font-size:14px;line-height:20px}
.detail-buy h1{margin:0 0 12px;font-size:28px;line-height:36px;overflow-wrap:break-word}
.detail-badges{justify-content:flex-start;margin:0 0 16px}
.detail-price{margin:0 0 16px}
.detail-price-label{display:block;font-size:12px;line-height:16px;color:var(--muted)}
.detail-price-amount{font-size:28px;line-height:36px;font-weight:700}
.detail-buy hr{border:0;border-top:1px solid var(--line);margin:0 0 20px}
.detail-buy h2{font-size:16px;line-height:24px;margin:0 0 8px}
.detail-spec{margin:0 0 20px}
.spec-chips{display:flex;gap:8px;flex-wrap:wrap}
.spec-chip{padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);cursor:pointer;font-size:15px}
.spec-chip.selected{border-color:var(--accent);color:var(--accent);font-weight:600}
.detail-sub{margin:0 0 20px}
.qty-stepper{display:flex;align-items:center;margin:0 0 24px}
.qty-stepper button{width:40px;height:40px;padding:0;border-radius:8px}
.qty-stepper input{width:64px;text-align:center;margin:0 8px}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.detail-actions form{flex:1}
.detail-actions button{width:100%;padding:12px 16px;font-size:16px}
.detail-sections{border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--card);margin-top:24px}
.detail-sections h2{font-size:20px;line-height:28px;margin:24px 0 8px}
.detail-sections h2:first-child{margin-top:0}
.attr-table th{width:120px;color:var(--muted);font-weight:400}
.notes-list{padding-left:22px;margin:8px 0}
@media (max-width:720px){
  .detail-card{grid-template-columns:1fr;padding:20px}
  .detail-sections{padding:20px}
}

/* 首页：商品直接置顶，分类为紧凑行；右侧一棵全屏高的像素赛博柳树 */
.home-catrow{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:4px 0 20px}
.home-products{margin-top:8px}
main#main{position:relative;z-index:1}
.topbar,footer{position:relative;z-index:1}

/* 各地时间：每城独立色块，数字时钟 */
.world-clocks{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:960px;margin:0 auto;padding:14px 20px 0}
.clock{background:var(--clock-bg);border-left:4px solid var(--clock-accent);border-radius:10px;padding:10px 12px}
.clock-city{font-size:14px;font-weight:700;color:var(--fg)}
.clock-time{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:24px;font-weight:700;letter-spacing:1px;font-variant-numeric:tabular-nums;color:var(--clock-accent);line-height:1.25}
.clock-date{font-size:12px;color:var(--muted)}
[data-theme="dark"] .clock{background:var(--card);border-left-color:var(--clock-accent)}
/* 宽屏鼠标：左侧固定栏（与右侧柳树对称） */
@media (min-width:1400px) and (pointer:fine){
  .content-row{display:contents}
  .world-clocks{position:fixed;left:18px;top:104px;width:170px;z-index:5;display:flex;flex-direction:column;margin:0;padding:0}
}
/* 手机/平板触屏与小屏：时钟改到最左边一列，内容在右 */
@media (pointer:coarse), (max-width:640px){
  .content-row{display:flex;align-items:flex-start;gap:8px;padding:0 12px}
  .content-row .world-clocks{position:sticky;top:12px;flex:0 0 108px;max-height:calc(100vh - 24px);overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin:0;padding:0}
  .content-row .clock{padding:6px 8px}
  .content-row .clock-city{font-size:12px}
  .content-row .clock-time{font-size:15px}
  .content-row .clock-date{font-size:11px}
  .content-row>main{flex:1;min-width:0;margin:0;padding:20px 0}
}

/* 登录表单：登录与谷歌按钮同排 */
.form-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* 博客 */
.blog-item{border-bottom:1px solid var(--line);padding:16px 0}
.blog-item h2{margin:0 0 4px;font-size:20px}
.post-body{line-height:1.8}
.post-body h2{font-size:22px;margin:20px 0 8px}
.post-body h3,.post-body h4{font-size:18px;margin:16px 0 8px}
.post-body ul,.post-body ol{padding-left:24px}
.post-body p{margin:10px 0}
.post-body a{word-break:break-all}

/* 手机商品卡片：高度减半（仅手机/小屏，桌面不动） */
@media (pointer:coarse), (max-width:640px){
  .pcard-grid{gap:12px}
  .pcard{padding:10px 12px}
  .pcard-cat{min-height:0;margin-bottom:4px;font-size:12px;line-height:16px}
  .pcard-title{min-height:0;margin-bottom:4px;font-size:16px;line-height:22px}
  .pcard-badges{min-height:0;margin-bottom:6px;gap:6px}
  .pcard-badge{padding:2px 6px;font-size:11px;line-height:14px}
  .pcard-sub{min-height:0;margin-bottom:6px;font-size:13px;line-height:18px;-webkit-line-clamp:1}
  .pcard-foot{padding-top:8px}
  .pcard-price{font-size:17px;line-height:24px}
  .pcard-cart,.pcard-detail{width:32px;height:32px}
  .pcard-detail{font-size:16px}
}

/* SpecularButton：按钮边缘随鼠标移动的高光（WebGL 画布覆盖层；按钮本身的底色、尺寸、内边距不动，不拦截点击） */
.specular{position:relative;isolation:isolate}
.specular__light{position:absolute;inset:-24px;z-index:1;display:block;width:calc(100% + 48px);height:calc(100% + 48px);pointer-events:none}
.specular__label{position:relative;z-index:2;display:inline-flex;align-items:center;gap:inherit}