:root{
  --bg:#0b0d17;
  --bg-soft:#11142252;
  --panel:#141727;
  --panel-2:#191d30;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.06);
  --txt:#e8eaf2;
  --mut:#9aa3b8;
  --brand:#6366f1;
  --brand-2:#a855f7;
  --ok:#34d399;
  --warn:#f59e0b;
  --radius:16px;
  --shadow:0 18px 50px rgba(4,6,20,.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 700px at 15% -10%,rgba(99,102,241,.20),transparent 60%),
             radial-gradient(900px 600px at 110% 0%,rgba(168,85,247,.16),transparent 55%),
             var(--bg);
  color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.65;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
b{font-weight:700}
.ic{width:18px;height:18px;flex:none}
.muted{color:var(--mut)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;color:#c7cbe0}
.link{color:#a5b4fc;font-weight:600}
.link:hover{color:#c7d2fe}

/* ---------------- 顶栏 ---------------- */
.nav{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 22px;
  background:rgba(11,13,23,.72);
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 8px 20px rgba(99,102,241,.35);
}
.brand-txt{font-size:16px;letter-spacing:.5px;color:#fff}
.brand-txt b{color:#c7d2fe}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{
  appearance:none;background:none;border:none;color:var(--mut);
  padding:8px 12px;border-radius:10px;font-size:14px;cursor:pointer;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.is-active{color:#fff;background:rgba(99,102,241,.18)}

/* ---------------- 通用 ---------------- */
.main{max-width:1080px;margin:0 auto;padding:26px 20px 64px}
.foot{
  display:flex;justify-content:center;gap:8px;padding:26px 20px 40px;
  color:#6b7280;font-size:12.5px;border-top:1px solid var(--line-soft);
}
.dot{opacity:.5}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:11px;
  padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 10px 26px rgba(99,102,241,.35);
}
.btn-primary:hover{box-shadow:0 14px 32px rgba(99,102,241,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:9px}
.btn-lg{padding:13px 26px;font-size:15.5px;border-radius:13px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}
.badge{
  display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;
  font-size:11.5px;font-weight:600;color:#c7cbe0;background:rgba(255,255,255,.07);
  border:1px solid var(--line);
}
.badge-on{color:#6ee7b7;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.32)}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;background:rgba(255,255,255,.07);color:#c7cbe0}
.tag-on{background:rgba(52,211,153,.14);color:#6ee7b7}
.empty{padding:80px 20px;text-align:center;color:var(--mut)}
.empty .link{margin-left:6px}

/* ---------------- 首页 ---------------- */
.hero{
  position:relative;overflow:hidden;
  padding:44px 28px 34px;margin-bottom:22px;
  border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(160deg,rgba(99,102,241,.12),rgba(168,85,247,.07) 45%,rgba(20,23,39,.6));
  box-shadow:var(--shadow);
}
.hero-glow{
  position:absolute;width:420px;height:420px;right:-120px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,85,247,.35),transparent 65%);filter:blur(10px);
  pointer-events:none;
}
.hero-tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;letter-spacing:1px;
  color:#c7d2fe;background:rgba(99,102,241,.16);border:1px solid rgba(129,140,248,.3);
}
.hero h1{margin:14px 0 8px;font-size:38px;line-height:1.2;letter-spacing:.5px;color:#fff}
.hero-sub{margin:0;color:#b9c0d4;font-size:15.5px;max-width:640px}
.hero-stats{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:24px;color:#fff}
.hero-stats span{font-size:12.5px;color:var(--mut)}
.notice{
  margin:0 0 24px;padding:12px 16px;border-radius:12px;font-size:13.5px;color:#dbeafe;
  background:rgba(59,130,246,.10);border:1px solid rgba(59,130,246,.25);
}
.section{margin-top:30px}
.section-hd{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.section-hd h2{margin:0;font-size:19px;color:#fff}
.section-hd span{font-size:12.5px;color:var(--mut)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cat-card{
  position:relative;display:flex;flex-direction:column;gap:8px;
  padding:18px 18px 16px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.cat-card:hover{transform:translateY(-3px);border-color:rgba(129,140,248,.45);box-shadow:0 16px 34px rgba(6,8,24,.5)}
.cat-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:.5;pointer-events:none;
  background:radial-gradient(240px 120px at 100% 0%,var(--card-glow,rgba(99,102,241,.18)),transparent 70%);
}
.grad-1{--card-glow:rgba(99,102,241,.28)}
.grad-2{--card-glow:rgba(168,85,247,.26)}
.grad-3{--card-glow:rgba(14,165,233,.22)}
.grad-4{--card-glow:rgba(52,211,153,.18)}
.grad-5{--card-glow:rgba(244,114,182,.20)}
.cat-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.cat-name{font-size:17px;font-weight:700;color:#fff}
.cat-intro{margin:0;font-size:13px;color:var(--mut);min-height:40px}
.cat-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:6px;font-size:13px}
.cat-count{color:#8b93a8}
.cat-price{color:#c7d2fe;font-weight:600}
.cat-price b{font-size:16px;color:#fff}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.how-item{display:flex;gap:12px;padding:16px;border-radius:14px;background:rgba(255,255,255,.025);border:1px solid var(--line-soft)}
.how-no{font-size:12px;font-weight:700;color:#818cf8;letter-spacing:1px;padding-top:2px}
.how-item b{display:block;color:#fff;font-size:14px;margin-bottom:2px}
.how-item p{margin:0;font-size:12.5px;color:var(--mut)}

/* ---------------- 分类页 ---------------- */
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--mut);margin-bottom:14px}
.crumb b{color:#dfe3f0}
.crumb a:hover{color:#fff}
.cat-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:18px;
  padding:22px;border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(99,102,241,.10),rgba(20,23,39,.5));
  margin-bottom:20px;
}
.cat-head h1{margin:0 0 6px;font-size:28px;color:#fff}
.cat-head p{margin:0;color:var(--mut);font-size:14px;max-width:620px}
.cat-head-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:13px}
.entry-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.search{display:flex;align-items:center;gap:8px;flex:1;max-width:360px;padding:9px 13px;border-radius:11px;border:1px solid var(--line);background:var(--panel);color:var(--mut)}
.search input{flex:1;background:none;border:none;outline:none;color:var(--txt);font-size:14px}
.search input::placeholder{color:#6b7280}
.entry-total{font-size:12.5px;color:var(--mut)}
.entry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.entry{
  position:relative;display:flex;flex-direction:column;gap:2px;
  padding:13px 40px 13px 14px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .15s ease,background .15s ease;
}
.entry:hover{border-color:rgba(129,140,248,.4);background:var(--panel-2)}
.entry-val{font-size:15.5px;color:#fff;word-break:break-all}
.entry-note{font-size:11.5px;color:var(--mut)}
.copy-btn{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  display:grid;place-items:center;width:28px;height:28px;border-radius:8px;
  background:none;border:1px solid transparent;color:#6b7280;cursor:pointer;
}
.copy-btn:hover{color:#c7d2fe;background:rgba(99,102,241,.12);border-color:rgba(129,140,248,.3)}
.entry-lock{opacity:.45;user-select:none;padding-right:14px}
.lock-box{
  padding:34px 22px 26px;text-align:center;border-radius:18px;
  border:1px dashed rgba(129,140,248,.35);background:rgba(99,102,241,.05);
}
.lock-ico{display:grid;place-items:center;width:52px;height:52px;margin:0 auto 12px;border-radius:14px;background:rgba(99,102,241,.16);color:#a5b4fc}
.lock-box h3{margin:0 0 6px;color:#fff;font-size:18px}
.lock-box p{margin:0 0 18px;color:var(--mut);font-size:13.5px}
.pay-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:22px}
.entry-grid-lock{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.entry-grid-lock .entry{background:rgba(255,255,255,.02)}

/* ---------------- 登录注册 ---------------- */
.auth-body{display:flex;flex-direction:column;min-height:100vh}
.auth-brand{display:flex;align-items:center;gap:10px;justify-content:center;padding:34px 0 6px}
.auth-main{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:18px 18px 40px}
.auth-card{
  width:100%;max-width:430px;padding:28px;
  border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(25,29,48,.95),rgba(17,20,34,.95));
  box-shadow:var(--shadow);
}
.auth-card h1{margin:0 0 4px;font-size:24px;color:#fff}
.auth-sub{margin:0 0 20px;color:var(--mut);font-size:13.5px}
.tabs{display:flex;gap:6px;padding:4px;border-radius:11px;background:rgba(0,0,0,.25);margin-bottom:18px}
.tab{
  flex:1;padding:8px 10px;border:none;border-radius:8px;background:none;
  color:var(--mut);font-size:13.5px;font-weight:600;cursor:pointer;
}
.tab.is-on{background:rgba(99,102,241,.22);color:#fff}
.form{display:flex;flex-direction:column;gap:14px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld>span{font-size:12.5px;color:#b6bdd0}
.fld input,.fld textarea,.fld select{
  width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);
  background:rgba(0,0,0,.22);color:var(--txt);font-size:14.5px;outline:none;
  transition:border-color .15s ease;
}
.fld input:focus,.fld textarea:focus,.fld select:focus{border-color:rgba(129,140,248,.6)}
.code-row{display:flex;gap:8px}
.code-row input{flex:1}
.btn-code{white-space:nowrap;min-width:112px}
.form-err{margin:0;min-height:18px;font-size:12.5px;color:#fca5a5}
.auth-foot{margin:18px 0 0;font-size:13px;color:var(--mut);text-align:center}
.auth-tip{margin:14px 0 0;font-size:11.5px;color:#6b7280;text-align:center}
.auth-foot .link{margin-left:4px}

/* ---------------- 个人中心 ---------------- */
.me-head{
  display:flex;align-items:center;gap:16px;padding:22px;border-radius:18px;
  border:1px solid var(--line);background:linear-gradient(150deg,rgba(99,102,241,.10),rgba(20,23,39,.5));
}
.avatar{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-size:22px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 26px rgba(99,102,241,.35);
}
.me-head h1{margin:0;font-size:20px;color:#fff;word-break:break-all}
.me-head p{margin:3px 0 0;font-size:13px}
.unlock-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.unlock-item{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:var(--panel);
}
.unlock-item:hover{border-color:rgba(129,140,248,.45)}
.unlock-item b{color:#fff;font-size:14.5px}
.unlock-item span{font-size:12px;color:var(--mut)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.tbl{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}
.tbl th{text-align:left;padding:11px 14px;color:var(--mut);font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--line-soft);color:#d6dae8;vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}

/* ---------------- 支付结果 ---------------- */
.result-card{
  max-width:520px;margin:24px auto;padding:32px 26px;text-align:center;
  border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(25,29,48,.95),rgba(17,20,34,.95));
  box-shadow:var(--shadow);
}
.result-ico{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 14px;border-radius:18px}
.result-ico .ic{width:30px;height:30px}
.result-ico.is-ok{background:rgba(52,211,153,.14);color:#6ee7b7}
.result-ico.is-wait{background:rgba(245,158,11,.14);color:#fbbf24}
.result-card h1{margin:0 0 6px;font-size:22px;color:#fff}
.result-kv{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0 20px;text-align:left}
.result-kv>div{padding:11px 13px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line-soft)}
.result-kv span{display:block;font-size:11.5px;color:var(--mut)}
.result-kv b{font-size:13.5px;color:#e5e7eb;word-break:break-all}
.hint{margin:16px 0 0;font-size:12px;color:#6b7280}

/* ---------------- 响应式 ---------------- */
@media (max-width:900px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .how{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav{padding:12px 14px}
  .nav-link{padding:7px 9px}
  .main{padding:18px 14px 52px}
  .hero{padding:30px 18px 26px}
  .hero h1{font-size:28px}
  .hero-stats{gap:22px}
  .cat-grid{grid-template-columns:1fr}
  .cat-intro{min-height:0}
  .cat-head{flex-direction:column;align-items:flex-start;padding:18px}
  .cat-head-side{flex-direction:row;align-items:center}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .unlock-list{grid-template-columns:1fr}
  .result-kv{grid-template-columns:1fr}
  .auth-card{padding:22px 18px}
}