/* ============================================================
   跨境VPS · AI 版 设计系统 v2
   风格：克制的科技感 / 靛蓝渐变 / 细腻层次 / 全端自适应
   规范：1200 容器 · 8px 栅格 · 断点 1080 / 760 / 520
   ============================================================ */
:root{
  --bg:#f6f7fb; --bg-2:#eef1f8;
  --surface:#ffffff; --surface-2:#f4f6fb; --surface-3:#eaeef7;
  --line:#e4e8f2; --line-2:#d5dbe9;
  --text:#0b1220; --text-2:#4d5a71; --text-3:#8592a8;
  --brand:#4f46e5; --brand-2:#6366f1; --brand-3:#8b5cf6;
  --brand-soft:#eef0ff; --brand-glow:rgba(79,70,229,.28);
  --ok:#0ea472; --ok-soft:#e7f8f1;
  --warn:#d97706; --warn-soft:#fef6e7;
  --danger:#e11d48; --danger-soft:#ffeef2;
  --radius-xl:22px; --radius:16px; --radius-sm:11px; --radius-xs:8px;
  --shadow-xs:0 1px 2px rgba(11,18,32,.05);
  --shadow-sm:0 2px 6px rgba(11,18,32,.05),0 1px 2px rgba(11,18,32,.04);
  --shadow:0 10px 30px -8px rgba(11,18,32,.12),0 2px 6px rgba(11,18,32,.05);
  --shadow-lg:0 30px 60px -20px rgba(11,18,32,.22),0 10px 24px -12px rgba(11,18,32,.12);
  --grad:linear-gradient(135deg,#4f46e5 0%,#7c3aed 55%,#a855f7 100%);
  --grad-soft:linear-gradient(135deg,rgba(79,70,229,.1),rgba(168,85,247,.08));
  --container:1160px;
}
[data-theme="dark"]{
  --bg:#080b14; --bg-2:#0d1220;
  --surface:#111725; --surface-2:#161e2e; --surface-3:#1d2638;
  --line:#222c40; --line-2:#2d3a52;
  --text:#eef2f9; --text-2:#a7b3c7; --text-3:#6d7b93;
  --brand:#8b8cf7; --brand-2:#a5a6ff; --brand-3:#c084fc;
  --brand-soft:#1a1f3a; --brand-glow:rgba(139,140,247,.35);
  --ok:#34d399; --ok-soft:#0e2a22;
  --warn:#fbbf24; --warn-soft:#2a2110;
  --danger:#fb7185; --danger-soft:#2b1218;
  --shadow-sm:0 2px 8px rgba(0,0,0,.4);
  --shadow:0 14px 40px -12px rgba(0,0,0,.6);
  --shadow-lg:0 40px 80px -30px rgba(0,0,0,.7);
  --grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 55%,#c084fc 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro SC","Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--brand);text-decoration:none;transition:color .15s}
a:hover{color:var(--brand-3)}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;letter-spacing:-.022em;line-height:1.25;font-weight:750}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
::selection{background:var(--brand-glow);color:#fff}
/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--surface) 86%,transparent);border-bottom:1px solid var(--line);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;color:var(--text);letter-spacing:-.02em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;box-shadow:0 6px 16px -4px var(--brand-glow),inset 0 1px 0 rgba(255,255,255,.28)}
.nav{display:flex;gap:2px;flex:1}
.nav a{padding:9px 15px;border-radius:10px;color:var(--text-2);font-weight:560;font-size:14.5px;transition:.16s}
.nav a:hover{background:var(--surface-2);color:var(--text)}
.nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:650}
.header-actions{display:flex;align-items:center;gap:9px}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:11px;cursor:pointer;padding:11px 10px}
.burger span{display:block;height:1.8px;background:var(--text-2);border-radius:2px;margin:4px 0;transition:.22s}
.burger.on span:nth-child(1){transform:translateY(5.8px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg)}
/* ---------- 按钮 ---------- */
.btn{--btn-h:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:var(--btn-h);padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:14.5px;font-weight:650;cursor:pointer;white-space:nowrap;transition:transform .12s,box-shadow .18s,background .18s,border-color .18s;user-select:none}
.btn:active{transform:translateY(1px) scale(.995)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px -6px var(--brand-glow),inset 0 1px 0 rgba(255,255,255,.22)}
.btn-primary:hover{box-shadow:0 12px 26px -8px var(--brand-glow);transform:translateY(-1px);color:#fff}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--line-2);color:var(--text)}
.btn-soft{background:var(--brand-soft);color:var(--brand);border-color:transparent}
.btn-soft:hover{background:var(--brand-soft);filter:brightness(.97);color:var(--brand)}
.btn-danger{background:var(--danger-soft);color:var(--danger)}
.btn-block{width:100%}
.btn-sm{--btn-h:36px;padding:0 14px;font-size:13.5px;border-radius:10px}
.btn-lg{--btn-h:50px;padding:0 26px;font-size:15.5px;border-radius:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none}
.icon-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:.16s;font-size:15px}
.icon-btn:hover{background:var(--surface-2);color:var(--text)}
/* ---------- 卡片 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-xs)}
.card-pad{padding:26px}
.card-title{font-size:16.5px;font-weight:700;margin:0 0 4px}
.card-sub{font-size:13.5px;color:var(--text-3);margin:0 0 18px}
/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:650;color:var(--text-2);margin-bottom:8px;letter-spacing:.01em}
.input{width:100%;height:48px;padding:0 15px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);font-size:15px;outline:none;transition:.16s;font-family:inherit}
.input::placeholder{color:var(--text-3)}
.input:hover{border-color:var(--line-2)}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow)}
textarea.input{height:auto;padding:12px 15px;resize:vertical}
.hint{font-size:12.5px;color:var(--text-3);margin-top:7px;line-height:1.5}
.alert{padding:12px 15px;border-radius:12px;font-size:14px;margin-bottom:16px;display:none;border:1px solid transparent;font-weight:550}
.alert.show{display:block;animation:slideDown .22s ease}
.alert-err{background:var(--danger-soft);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 22%,transparent)}
.alert-ok{background:var(--ok-soft);color:var(--ok);border-color:color-mix(in srgb,var(--ok) 22%,transparent)}
@keyframes slideDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 64px}
.hero::before{content:"";position:absolute;inset:-40% -10% auto -10%;height:620px;background:
  radial-gradient(520px 300px at 18% 12%,rgba(99,102,241,.18),transparent 62%),
  radial-gradient(520px 300px at 82% 4%,rgba(168,85,247,.16),transparent 62%),
  radial-gradient(400px 240px at 50% 40%,rgba(14,165,233,.1),transparent 65%);
  pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(70% 60% at 50% 20%,#000 30%,transparent 78%);opacity:.5;pointer-events:none}
.hero .container{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 13px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.02em;margin-bottom:22px;border:1px solid color-mix(in srgb,var(--brand) 16%,transparent)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-glow);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.hero h1{font-size:clamp(32px,4.6vw,56px);line-height:1.12;letter-spacing:-.035em;font-weight:820;margin:0 0 20px;max-width:800px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(15px,1.4vw,17.5px);color:var(--text-2);max-width:620px;margin:0 0 32px;line-height:1.7}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;max-width:760px}
.stat{background:color-mix(in srgb,var(--surface) 78%,transparent);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;backdrop-filter:blur(8px);transition:.18s}
.stat:hover{border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.stat b{display:block;font-size:26px;letter-spacing:-.035em;font-weight:800;line-height:1.1;margin-bottom:5px}
.stat span{font-size:12.5px;color:var(--text-3);font-weight:550}
/* ---------- 区块 ---------- */
.section{padding:56px 0}
.section.tight{padding:36px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.03em;font-weight:800}
.section-head p{margin:0;color:var(--text-3);font-size:14.5px;padding-bottom:4px}
.section-head .link{font-size:14px;font-weight:650;color:var(--brand)}
/* ---------- 商品卡 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.product{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);padding:24px;transition:transform .2s cubic-bezier(.2,.8,.3,1),box-shadow .24s,border-color .2s;overflow:hidden}
.product::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad);opacity:0;transition:opacity .22s}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.product:hover::before{opacity:1}
.p-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.p-flag{width:38px;height:38px;border-radius:12px;background:var(--grad-soft);border:1px solid color-mix(in srgb,var(--brand) 14%,transparent);display:grid;place-items:center;font-size:17px}
.p-name{font-size:17px;font-weight:750;letter-spacing:-.02em;line-height:1.35;margin:0 0 9px}
.p-desc{font-size:13.5px;color:var(--text-2);line-height:1.65;flex:1;margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.p-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.chip{display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px;border-radius:8px;background:var(--surface-2);color:var(--text-2);font-size:12px;font-weight:600}
.chip-brand{background:var(--brand-soft);color:var(--brand)}
.p-price-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px dashed var(--line);margin-top:auto}
.p-price{font-size:26px;font-weight:820;letter-spacing:-.04em;line-height:1;color:var(--text)}
.p-price small{font-size:12.5px;font-weight:600;color:var(--text-3);margin-left:3px;letter-spacing:0}
.p-price .cur{font-size:15px;font-weight:700;margin-right:2px;color:var(--text-2)}
/* ---------- 表格 ---------- */
.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);white-space:nowrap;vertical-align:middle}
th{background:var(--surface-2);color:var(--text-3);font-weight:650;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
tbody tr{transition:background .14s}
tbody tr:hover{background:color-mix(in srgb,var(--brand-soft) 42%,transparent)}
tbody tr:last-child td{border-bottom:0}
.tag{display:inline-flex;align-items:center;gap:5px;height:25px;padding:0 10px;border-radius:8px;font-size:12px;font-weight:650;background:var(--surface-3);color:var(--text-2)}
.tag::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.7}
.tag-ok{background:var(--ok-soft);color:var(--ok)}
.tag-warn{background:var(--warn-soft);color:var(--warn)}
.tag-err{background:var(--danger-soft);color:var(--danger)}
/* ---------- 认证页 ---------- */
.auth-wrap{min-height:calc(100vh - 68px);display:grid;place-items:center;padding:56px 24px;position:relative;overflow:hidden}
.auth-wrap::before{content:"";position:absolute;inset:0;background:
  radial-gradient(560px 320px at 20% 10%,rgba(99,102,241,.14),transparent 62%),
  radial-gradient(520px 300px at 84% 16%,rgba(168,85,247,.12),transparent 62%);pointer-events:none}
.auth-card{position:relative;width:100%;max-width:430px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);padding:38px 34px;box-shadow:var(--shadow-lg)}
.auth-card .mark{width:46px;height:46px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;margin-bottom:20px;box-shadow:0 10px 24px -8px var(--brand-glow)}
.auth-card h1{font-size:25px;letter-spacing:-.03em;margin:0 0 7px}
.auth-card .sub{color:var(--text-3);font-size:14.5px;margin:0 0 26px;line-height:1.6}
.auth-foot{text-align:center;font-size:13.5px;color:var(--text-3);margin-top:22px;line-height:1.7}
/* ---------- 用户中心 ---------- */
.panel{display:grid;grid-template-columns:246px 1fr;gap:26px;align-items:start}
.side{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px;position:sticky;top:92px;box-shadow:var(--shadow-xs)}
.side a{display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:10px;color:var(--text-2);font-weight:560;font-size:14px;transition:.15s}
.side a:hover{background:var(--surface-2);color:var(--text)}
.side a.active{background:var(--brand-soft);color:var(--brand);font-weight:680}
.content{min-width:0}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:24px}
.kpi{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;overflow:hidden}
.kpi::after{content:"";position:absolute;right:-28px;top:-28px;width:88px;height:88px;border-radius:50%;background:var(--grad-soft)}
.kpi b{display:block;font-size:24px;font-weight:800;letter-spacing:-.035em;margin-bottom:4px;line-height:1.15}
.kpi span{font-size:12.5px;color:var(--text-3);font-weight:550}
/* ---------- 管理后台 ---------- */
.admin{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 68px)}
.admin-side{background:var(--surface);border-right:1px solid var(--line);padding:20px 12px;position:sticky;top:68px;height:calc(100vh - 68px);overflow:auto}
.side-title{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--text-3);text-transform:uppercase;padding:12px 13px 7px}
.admin-side a{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:10px;color:var(--text-2);font-weight:560;font-size:14px;transition:.15s}
.admin-side a.active{background:var(--brand-soft);color:var(--brand);font-weight:680}
.admin-side a:hover{background:var(--surface-2);color:var(--text)}
.admin-main{padding:30px;min-width:0}
.admin-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.admin-head h1{font-size:24px;letter-spacing:-.03em;font-weight:800}
.admin-head .tag{height:28px}
/* ---------- 空状态 ---------- */
.empty{display:grid;place-items:center;gap:14px;text-align:center;padding:56px 20px;color:var(--text-3);font-size:14.5px}
.empty .em-icon{width:56px;height:56px;border-radius:16px;background:var(--surface-2);display:grid;place-items:center;font-size:24px;opacity:.8}
/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--surface);margin-top:64px;padding:34px 0;color:var(--text-3);font-size:13.5px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
/* ---------- 悬浮结算条 ---------- */
.sticky-bar{position:sticky;bottom:16px;margin-top:22px;background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;backdrop-filter:blur(10px)}
.sticky-bar .sum{font-size:24px;font-weight:820;letter-spacing:-.04em;color:var(--text)}
/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .panel{grid-template-columns:1fr}
  .side{position:static;display:flex;overflow-x:auto;gap:6px;padding:8px;top:auto}
  .side a{white-space:nowrap;padding:10px 14px}
  .admin{grid-template-columns:1fr}
  .admin-side{position:static;height:auto;display:flex;overflow-x:auto;gap:6px;border-right:0;border-bottom:1px solid var(--line);padding:10px 12px}
  .admin-side .side-title{display:none}
  .admin-side a{white-space:nowrap;padding:10px 14px}
}
@media (max-width:760px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 20px;flex-direction:column;gap:2px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:13px 15px;font-size:15px}
  .burger{display:block}
  .container{padding:0 18px}
  .hero{padding:52px 0 44px}
  .hero-actions{margin-bottom:38px}
  .section{padding:40px 0}
  .grid{grid-template-columns:1fr;gap:16px}
  .auth-wrap{padding:32px 18px}
  .auth-card{padding:30px 22px}
  .card-pad{padding:20px}
  .admin-main{padding:20px 18px}
  .kpis{grid-template-columns:repeat(2,1fr);gap:12px}
  .kpi{padding:16px}
  .kpi b{font-size:21px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:12px}
  th,td{padding:13px 14px;font-size:13.5px}
  .sticky-bar{padding:14px 16px}
}
@media (max-width:520px){
  .hero h1{letter-spacing:-.03em}
  .p-price{font-size:23px}
  .btn-lg{--btn-h:46px;font-size:15px}
  .admin-head h1{font-size:20px}
  .auth-card h1{font-size:22px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/* ---------- 分类筛选 ---------- */
.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.chip-btn{height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text-2);font-size:13.5px;font-weight:600;cursor:pointer;transition:.16s;font-family:inherit}
.chip-btn:hover{border-color:var(--line-2);color:var(--text)}
.chip-btn.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px -6px var(--brand-glow)}
.preset-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}
/* ---------- 真实 Logo ---------- */
.logo-img{height:30px;width:auto;display:block}
/* ---------- 系统图标 ---------- */
.p-os{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.os{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 9px;border-radius:7px;background:var(--surface-2);color:var(--text-2);font-size:11.5px;font-weight:600;letter-spacing:.01em}
.os i{width:9px;height:9px;border-radius:3px;display:inline-block}
.os-win{background:#0078d4}
.os-ubuntu{background:#e95420}
.os-debian{background:#a80030}
.os-centos{background:#932279}
.os-alma{background:#0f4266}
/* 系统图标一行排布 */
.p-os{gap:5px}
.os{height:22px;padding:0 7px;font-size:10.5px;border-radius:6px}
.os i{width:8px;height:8px;border-radius:2px}
.p-name{font-size:16px}
.p-desc{-webkit-line-clamp:2;font-size:13px;margin-bottom:12px}
/* 移动端顶栏精简：隐藏注册按钮，保留登录与汉堡 */
@media (max-width:560px){
  .header-actions .btn-primary{display:none}
  .header-actions .btn-ghost{padding:0 12px}
  .header-inner{gap:14px}
  .logo-img{height:26px}
}
/* ---------- 二级分类 ---------- */
.filter-group{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px}
.filter-label{flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--text-3);padding-top:9px;letter-spacing:.06em}
.filter-group .filter-bar{border-bottom:0;padding-bottom:0;margin-bottom:0;flex:1}
.p-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}
.p-tags .chip{height:22px;padding:0 8px;font-size:11px;border-radius:6px}
@media (max-width:760px){
  .filter-group{flex-direction:column;gap:8px}
  .filter-label{padding-top:0}
  .filter-label{font-size:11.5px}
}
/* 桌面端隐藏 nav 内的登录/注册（避免与顶栏按钮重复），移动端菜单保留 */
@media (min-width:761px){
  .nav a[href="/login"],.nav a[href="/register"]{display:none}
}
/* ---------- 支付页 ---------- */
.pay-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px dashed var(--line);margin-bottom:22px;flex-wrap:wrap}
.pay-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;font-weight:650;letter-spacing:-.01em}
.pay-amount{font-size:32px;font-weight:820;letter-spacing:-.04em;color:var(--text)}
.pay-methods{display:grid;gap:12px}
.pay-method{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1.5px solid var(--line);border-radius:14px;background:var(--surface);transition:.16s}
.pay-method:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.pm-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px}
.pm-ali{background:#1677ff}
.pm-wx{background:#07c160}
.pm-name{font-weight:700;font-size:15.5px;flex:1;color:var(--text)}
.pm-arrow{color:var(--text-3);font-size:18px}