/* ============================================================
   设计令牌 (Design Tokens) — 明亮清爽 SaaS 风
   与 design-prototype/index.html 保持一致
   ============================================================ */
:root{
  --brand-50:#f5f3ff; --brand-100:#ede9fe; --brand-200:#ddd6fe;
  --brand-300:#c4b5fd; --brand-400:#a78bfa; --brand-500:#8b5cf6;
  --brand-600:#7c3aed; --brand-700:#6d28d9;
  --violet-500:#a855f7; --violet-600:#7c3aed;
  --sky-400:#38bdf8; --sky-500:#0ea5e9;
  --emerald-500:#10b981; --emerald-50:#ecfdf5;
  --amber-500:#f59e0b; --amber-50:#fffbeb;
  --rose-500:#f43f5e; --rose-50:#fff1f2;

  /* 语义色 — light */
  --bg:#f6f7fb;
  --bg-soft:#eef0f6;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --border:#e8ebf2;
  --border-strong:#d8dce7;
  --text:#0f172a;
  --text-soft:#475569;
  --text-mute:#94a3b8;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow:0 4px 14px -4px rgba(16,24,40,.10),0 2px 6px -2px rgba(16,24,40,.06);
  --shadow-lg:0 24px 48px -12px rgba(124,58,237,.20),0 8px 20px -8px rgba(16,24,40,.12);
  --shadow-brand:0 16px 40px -12px rgba(139,92,246,.45);
  --ring:rgba(139,92,246,.35);
  --radius:18px;
  --radius-sm:12px;
  --sidebar:#0f1629;
  --sidebar-soft:#1b2540;
  --sidebar-text:#cbd5e1;
}
[data-theme="dark"]{
  --bg:#0b1020;
  --bg-soft:#0e1426;
  --surface:#131a2e;
  --surface-2:#0f1626;
  --border:#23304d;
  --border-strong:#2c3a5c;
  --text:#f1f5f9;
  --text-soft:#aab6cf;
  --text-mute:#6b7896;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 6px 18px -6px rgba(0,0,0,.5);
  --shadow-lg:0 28px 56px -16px rgba(0,0,0,.6);
  --shadow-brand:0 18px 44px -14px rgba(139,92,246,.55);
  --ring:rgba(129,140,248,.45);
  --sidebar:#080c18;
  --sidebar-soft:#141d33;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","SF Pro Text","PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
  transition:background .35s ease,color .35s ease;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
img{max-width:100%}
::selection{background:var(--brand-200);color:var(--brand-700)}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:20px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--text-mute)}

/* ============================================================
   通用组件
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 18px;border-radius:12px;font-size:14.5px;font-weight:600;
  transition:transform .12s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s,filter .2s,opacity .2s;
  white-space:nowrap;user-select:none;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:disabled{cursor:not-allowed;opacity:.62;filter:saturate(.4)}
.btn-block{width:100%}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-500),var(--violet-600));
  color:#fff;box-shadow:var(--shadow-brand);
}
.btn-primary:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 20px 46px -12px rgba(139,92,246,.6)}
.btn-ghost{background:var(--surface);color:var(--text);border:1.5px solid var(--border-strong);box-shadow:var(--shadow-sm)}
.btn-ghost:hover:not(:disabled){border-color:var(--brand-300);color:var(--brand-600);background:var(--brand-50)}
.btn-soft{background:var(--brand-50);color:var(--brand-600);border:1.5px solid var(--brand-100)}
.btn-soft:hover:not(:disabled){background:var(--brand-100)}
.btn-muted{background:var(--surface-2);color:var(--text-mute);border:1.5px solid var(--border);cursor:default}
.btn-danger{background:linear-gradient(135deg,var(--rose-500),#fb7185);color:#fff}
.btn-danger:hover:not(:disabled){filter:brightness(1.05)}
.btn-sm{height:38px;padding:0 14px;font-size:13.5px;border-radius:10px}
.btn-wechat{background:#06b15a;color:#fff;box-shadow:0 14px 30px -12px rgba(6,177,90,.5)}
.btn-wechat:hover:not(:disabled){filter:brightness(1.06)}
.btn-alipay{background:#1677ff;color:#fff;box-shadow:0 14px 30px -12px rgba(22,119,255,.5)}
.btn-alipay:hover:not(:disabled){filter:brightness(1.06)}

.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.2px;
}
.chip-brand{background:linear-gradient(135deg,var(--brand-500),var(--violet-600));color:#fff;box-shadow:0 6px 16px -6px rgba(124,58,237,.6)}
.chip-emerald{background:var(--emerald-50);color:#047857;border:1px solid #a7f3d0}
.chip-amber{background:var(--amber-50);color:#b45309;border:1px solid #fde68a}
.chip-soft{background:var(--brand-50);color:var(--brand-600);border:1px solid var(--brand-100)}
[data-theme="dark"] .chip-emerald{background:rgba(16,185,129,.14);color:#34d399;border-color:rgba(16,185,129,.35)}
[data-theme="dark"] .chip-amber{background:rgba(245,158,11,.14);color:#fbbf24;border-color:rgba(245,158,11,.35)}

.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-soft);margin-bottom:7px}
.input{
  width:100%;height:46px;padding:0 14px;border-radius:12px;font-size:14.5px;
  background:var(--surface);color:var(--text);border:1.5px solid var(--border-strong);
  transition:border-color .15s,box-shadow .15s,background .2s;
  font-family:inherit;
}
.input::placeholder{color:var(--text-mute)}
.input:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 4px var(--ring)}
.hint{font-size:12px;color:var(--text-mute);margin-top:7px}
.hint-error{font-size:12px;color:var(--rose-500);margin-top:7px}

/* 表单级提示条（登录失败等） */
.form-alert{
  display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:12px 14px;border-radius:12px;
  font-size:13.5px;font-weight:500;line-height:1.5;
}
.form-alert svg{width:17px;height:17px;flex:0 0 auto;margin-top:2px}
.form-alert.error{background:var(--rose-50);color:#be123c;border:1px solid #fecdd3}
.form-alert.success{background:var(--emerald-50);color:#047857;border:1px solid #a7f3d0}
[data-theme="dark"] .form-alert.error{background:rgba(244,63,94,.12);color:#fda4af;border-color:rgba(244,63,94,.35)}
[data-theme="dark"] .form-alert.success{background:rgba(16,185,129,.12);color:#6ee7b7;border-color:rgba(16,185,129,.35)}

/* logo mark */
.logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--violet-600));box-shadow:0 8px 18px -6px rgba(139,92,246,.55)}
.logo-mark svg{width:19px;height:19px}

/* 加载动画 */
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--brand-500);
  animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================================
   认证页 (登录/注册/重置)
   ============================================================ */
.auth{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth-left{display:flex;flex-direction:column;background:var(--bg)}
.auth-topbar{display:flex;align-items:center;gap:11px;padding:24px 30px}
.auth-brand-name{font-size:16px;font-weight:800;letter-spacing:-.2px}
.auth-body{flex:1;display:flex;align-items:center;justify-content:center;padding:10px 30px 50px}
.auth-card{width:100%;max-width:380px}
.auth-eyebrow{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.4px;text-transform:uppercase;margin-bottom:10px}
.auth-title{font-size:30px;font-weight:800;letter-spacing:-.6px;margin-bottom:8px}
.auth-sub{color:var(--text-soft);font-size:14.5px;margin-bottom:28px}
.auth-foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--border);font-size:14px;color:var(--text-soft)}
.auth-foot a{color:var(--brand-600);font-weight:700}
.auth-foot a:hover{text-decoration:underline}
.link-muted{font-size:13.5px;color:var(--text-soft);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.link-muted:hover{color:var(--brand-600)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:6px}

/* 右侧品牌展示区 */
.auth-right{position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(820px 460px at 50% -8%,rgba(139,92,246,.55),transparent 60%),
    radial-gradient(620px 520px at 88% 108%,rgba(124,58,237,.42),transparent 60%),
    linear-gradient(165deg,#140d2b,#0b0716 58%,#170a2e);
  display:flex;flex-direction:column;justify-content:center;padding:64px 56px}
.auth-right::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 50% 38%,#000,transparent 82%)}
.glow{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.glow.a{width:300px;height:300px;background:#8b5cf6;top:-70px;right:-50px}
.glow.b{width:240px;height:240px;background:#a855f7;bottom:-40px;left:-40px}
.auth-right .inner{position:relative;z-index:1;max-width:440px}
.auth-right h2{font-size:34px;line-height:1.2;font-weight:800;letter-spacing:-.8px;margin-bottom:18px}
.auth-right p{font-size:15.5px;color:rgba(255,255,255,.86);margin-bottom:30px}
.auth-chip{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.25);margin-bottom:22px}
.feat-list{display:flex;flex-direction:column;gap:14px}
.feat-item{display:flex;align-items:center;gap:13px;font-size:15px;font-weight:500}
.feat-ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(255,255,255,.16);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.22)}
.feat-ic svg{width:16px;height:16px}
.auth-stats{display:flex;gap:30px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.2)}
.auth-stats .num{font-size:26px;font-weight:800;letter-spacing:-.5px}
.auth-stats .lab{font-size:12.5px;color:rgba(255,255,255,.7)}

/* ============================================================
   主应用框架 (顶栏 + 侧栏)
   ============================================================ */
.app{min-height:100vh;display:flex;align-items:flex-start}
.sidebar{
  width:248px;flex:0 0 auto;background:var(--surface);border-right:1px solid var(--border);color:var(--text-soft);
  display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh;align-self:flex-start;
  overflow-y:auto;
}
.sb-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 22px}
.sb-brand .name{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.2px}
.sb-section{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text-mute);padding:8px 12px 6px}
.sb-group-title{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:11px;color:var(--text);font-weight:700;font-size:14.5px}
.sb-group-title svg{width:20px;height:20px;color:var(--brand-500)}
.sb-link{display:flex;align-items:center;gap:11px;margin-left:14px;padding:9px 12px;border-radius:10px;
  color:var(--text-soft);font-size:14px;font-weight:500;transition:background .15s,color .15s;position:relative;cursor:pointer}
.sb-link::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--border-strong);transition:background .15s}
.sb-link:hover{background:var(--surface-2);color:var(--text)}
.sb-link.active{background:var(--brand-50);color:var(--brand-600);font-weight:700}
.sb-link.active::before{background:var(--brand-500);box-shadow:0 0 8px var(--brand-300)}
[data-theme="dark"] .sb-link.active{background:rgba(139,92,246,.16)}
.sb-foot{margin-top:auto;padding:14px 8px 4px;border-top:1px solid var(--border)}
.sb-upsell{background:linear-gradient(135deg,var(--brand-50),#faf5ff);border:1px solid var(--brand-100);
  border-radius:14px;padding:14px;font-size:12.5px;color:var(--text-soft)}
.sb-upsell b{color:var(--brand-600);display:block;font-size:13.5px;margin-bottom:3px}
[data-theme="dark"] .sb-upsell{background:linear-gradient(135deg,rgba(139,92,246,.14),rgba(168,85,247,.08));border-color:rgba(139,92,246,.3)}

/* 移动端抽屉侧栏 */
.sidebar-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(2px);z-index:59;
  opacity:0;pointer-events:none;transition:.2s}
@media(max-width:920px){
  .sidebar{position:fixed;left:0;top:0;z-index:60;height:100dvh;transform:translateX(-100%);transition:transform .22s ease;
    box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:none}
  .sidebar-backdrop.open{opacity:1;pointer-events:auto}
}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:30;height:64px;background:color-mix(in srgb,var(--surface) 86%,transparent);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;padding:0 26px}
.topbar-left{display:flex;align-items:center;gap:14px}
.tb-link{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--violet-600));color:#fff;font-size:13.5px;font-weight:600;
  box-shadow:0 10px 22px -10px rgba(139,92,246,.6)}
.tb-link:hover{filter:brightness(1.06)}
.tb-link svg{width:15px;height:15px}
.topbar-right{display:flex;align-items:center;gap:10px}
.icon-btn{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:var(--text-soft);
  border:1px solid var(--border);background:var(--surface);transition:.15s}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-300);background:var(--brand-50)}
[data-theme="dark"] .icon-btn:hover{background:rgba(139,92,246,.14)}
.icon-btn svg{width:18px;height:18px}
.tb-divider{width:1px;height:24px;background:var(--border)}
.hamburger{display:none}
@media(max-width:920px){
  .hamburger{display:grid}
}
.user-btn{display:flex;align-items:center;gap:9px;height:42px;padding:0 8px;border-radius:12px;transition:.15s}
.user-btn:hover{background:var(--surface-2)}
.avatar{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:12.5px;font-weight:700;
  background:linear-gradient(135deg,var(--brand-500),var(--violet-600));text-transform:uppercase}
.user-email{font-size:13.5px;font-weight:600;color:var(--text-soft);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.caret{width:14px;height:14px;color:var(--text-mute)}

/* 下拉菜单 */
.dropdown{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 10px);min-width:230px;background:var(--surface);
  border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);padding:7px;
  opacity:0;transform:translateY(-6px) scale(.98);pointer-events:none;transition:.16s ease;z-index:50}
.menu.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.menu-head{padding:10px 12px 12px;border-bottom:1px solid var(--border);margin-bottom:6px}
.menu-head .e{font-size:13.5px;font-weight:700;word-break:break-all}
.menu-head .s{font-size:12px;color:var(--text-mute);margin-top:2px}
.menu-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;font-size:14px;color:var(--text-soft);width:100%;text-align:left;transition:.13s;cursor:pointer}
.menu-item svg{width:17px;height:17px;color:var(--text-mute);flex:0 0 auto}
.menu-item:hover{background:var(--surface-2);color:var(--text)}
.menu-item.danger{color:var(--rose-500)}
.menu-item.danger svg{color:var(--rose-500)}
.menu-item.danger:hover{background:var(--rose-50)}
[data-theme="dark"] .menu-item.danger:hover{background:rgba(244,63,94,.12)}

/* ============================================================
   页面内容通用
   ============================================================ */
.content{flex:1;padding:34px 40px 80px;max-width:1200px;width:100%;margin:0 auto}
.page-head{margin-bottom:26px}
.page-head h1{font-size:26px;font-weight:800;letter-spacing:-.5px}
.page-head p{color:var(--text-soft);font-size:14.5px;margin-top:6px}

.tabs{display:inline-flex;gap:4px;background:var(--surface-2);border:1px solid var(--border);padding:5px;border-radius:13px;margin-bottom:26px}
.tab{height:38px;padding:0 18px;border-radius:9px;font-size:14px;font-weight:600;color:var(--text-soft);transition:.15s;display:inline-flex;align-items:center;gap:8px}
.tab svg{width:16px;height:16px}
.tab.active{background:var(--surface);color:var(--brand-600);box-shadow:var(--shadow-sm)}
.tab:not(.active):hover{color:var(--text)}

.section-title{display:flex;align-items:center;gap:12px;margin:6px 0 18px}
.section-title h2{font-size:18px;font-weight:800;letter-spacing:-.3px}
.section-title .ln{flex:1;height:1px;background:var(--border)}

/* 套餐卡片 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{position:relative;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .25s,border-color .2s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plan.featured{border-color:transparent;box-shadow:var(--shadow-lg);
  background:
    linear-gradient(var(--surface),var(--surface)) padding-box,
    linear-gradient(135deg,var(--brand-500),var(--violet-600)) border-box;
  border:2px solid transparent}
.plan.featured::before{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:radial-gradient(420px 180px at 50% -10%,rgba(124,58,237,.10),transparent 70%)}
.plan-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%)}
.plan-top{display:flex;align-items:center;gap:11px;margin-bottom:7px}
.plan-ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto}
.plan-ic svg{width:20px;height:20px}
.ic-free{background:var(--emerald-50);color:var(--emerald-500)}
.ic-month{background:var(--brand-50);color:var(--brand-600)}
.ic-year{background:#f5f3ff;color:var(--violet-600)}
[data-theme="dark"] .ic-free{background:rgba(16,185,129,.14)}
[data-theme="dark"] .ic-month{background:rgba(139,92,246,.16)}
[data-theme="dark"] .ic-year{background:rgba(168,85,247,.16);color:var(--brand-400)}
.plan-name{font-size:17px;font-weight:800}
.plan-desc{font-size:13px;color:var(--text-soft);min-height:38px;margin-bottom:8px}
.price{display:flex;align-items:baseline;gap:4px;margin:6px 0 4px;flex-wrap:wrap}
.price .cur{font-size:18px;font-weight:700;color:var(--text)}
.price .amt{font-size:40px;font-weight:850;letter-spacing:-1.5px;line-height:1;
  background:linear-gradient(135deg,var(--brand-600),var(--violet-600));-webkit-background-clip:text;background-clip:text;color:transparent}
[data-theme="dark"] .price .amt{background:linear-gradient(135deg,var(--brand-400),var(--violet-500));-webkit-background-clip:text;background-clip:text}
.price .per{font-size:14px;color:var(--text-mute);font-weight:600}
.price-old{font-size:14px;color:var(--text-mute);font-weight:600;text-decoration:line-through;margin-left:7px;text-decoration-color:var(--text-mute)}
.price-sub{font-size:12.5px;color:var(--emerald-500);font-weight:700;min-height:18px;margin-bottom:18px}
.price-sub.muted{color:var(--text-mute);font-weight:500}
.plan .btn{margin-bottom:20px}
.feat-head{font-size:12px;font-weight:700;color:var(--text-mute);letter-spacing:.4px;text-transform:uppercase;margin-bottom:13px}
.feats{display:flex;flex-direction:column;gap:11px;margin-top:2px}
.feat{display:flex;gap:10px;font-size:13.5px;color:var(--text-soft);line-height:1.45}
.feat .ck{width:19px;height:19px;border-radius:6px;flex:0 0 auto;display:grid;place-items:center;margin-top:1px;
  background:var(--emerald-50);color:var(--emerald-500)}
[data-theme="dark"] .feat .ck{background:rgba(16,185,129,.14)}
.feat .ck svg{width:12px;height:12px}
.feat b{color:var(--text);font-weight:700}

/* 额度充值 */
.credits{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.credit{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:22px;
  display:flex;flex-direction:column;box-shadow:var(--shadow);transition:.2s;position:relative;overflow:hidden}
.credit:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-200)}
.credit-glow{position:absolute;width:140px;height:140px;border-radius:50%;filter:blur(40px);opacity:.16;top:-40px;right:-30px;background:var(--brand-500)}
.credit-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;position:relative}
.credit-amt{font-size:30px;font-weight:850;letter-spacing:-1px}
.credit-amt .c{font-size:17px;font-weight:700;color:var(--text-soft)}
.credit-usd{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-soft);font-weight:600;
  background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:6px 10px;margin-bottom:14px;align-self:flex-start}
.credit-usd b{color:var(--brand-600)}
[data-theme="dark"] .credit-usd b{color:var(--brand-400)}
.credit-note{font-size:12.5px;color:var(--text-mute);margin-bottom:16px;flex:1}

/* 提示条 — 温和版 */
.notice{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);
  border-left:3px solid var(--brand-400);border-radius:12px;padding:14px 16px;font-size:13px;color:var(--text-soft);margin-bottom:24px}
.notice svg{width:18px;height:18px;color:var(--brand-500);flex:0 0 auto;margin-top:1px}
.notice b{color:var(--text)}
.fineprint{margin-top:30px;font-size:12px;color:var(--text-mute);text-align:center;line-height:1.7;
  padding-top:20px;border-top:1px dashed var(--border)}

/* 管理订阅 */
.manage-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.manage-banner{padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--brand-50),#f5f3ff);border-bottom:1px solid var(--border)}
[data-theme="dark"] .manage-banner{background:linear-gradient(135deg,rgba(139,92,246,.14),rgba(168,85,247,.07))}
.manage-banner .l h3{font-size:18px;font-weight:800}
.manage-banner .l p{font-size:13.5px;color:var(--text-soft);margin-top:4px}
.manage-row{display:flex;align-items:center;justify-content:space-between;padding:18px 26px;border-bottom:1px solid var(--border);font-size:14px;gap:14px;flex-wrap:wrap}
.manage-row:last-child{border-bottom:none}
.manage-row .k{color:var(--text-soft)}
.manage-row .v{font-weight:700}
.manage-row .v.muted{color:var(--text-mute);font-weight:500}

/* 联系作者卡片 */
.contact-card{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--brand-50),#faf5ff);border:1px solid var(--brand-100);
  border-radius:var(--radius);padding:18px 22px;margin-top:34px}
[data-theme="dark"] .contact-card{background:linear-gradient(135deg,rgba(139,92,246,.14),rgba(168,85,247,.08));border-color:rgba(139,92,246,.3)}
.contact-card .t{font-size:14.5px;font-weight:700}
.contact-card .d{font-size:13px;color:var(--text-soft);margin-top:2px}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:var(--brand-200)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;
  padding:15px 18px;font-size:14.5px;font-weight:700;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary svg{width:16px;height:16px;color:var(--text-mute);flex:0 0 auto;transition:transform .2s}
.faq-item[open] summary svg{transform:rotate(180deg);color:var(--brand-500)}
.faq-body{padding:0 18px 16px;font-size:13.5px;color:var(--text-soft);line-height:1.75}
.faq-body a{color:var(--brand-600);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.faq-body a:hover{text-decoration:none}

/* ============================================================
   数据表格 & 统计卡片（邀请系统）
   ============================================================ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
.stat-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;position:relative;overflow:hidden}
.stat-card .lab{font-size:13px;font-weight:600;color:var(--text-soft)}
.stat-card .num{font-size:28px;font-weight:850;letter-spacing:-.8px}
.stat-card .sub{font-size:12px;color:var(--text-mute)}
.qr-box{background:#fff;border-radius:12px;padding:10px;display:inline-flex;box-shadow:var(--shadow-sm);border:1px solid var(--border)}

.invite-link-row{display:flex;align-items:center;gap:10px}
.invite-link-input{flex:1;height:44px;padding:0 14px;border-radius:12px;border:1.5px solid var(--border-strong);
  background:var(--surface-2);color:var(--text-soft);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  display:flex;align-items:center;min-width:0}

.table-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.table-scroll{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{background:var(--surface-2);color:var(--text-mute);font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  text-align:left;padding:12px 18px;border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:13px 18px;border-bottom:1px solid var(--border);color:var(--text-soft);white-space:nowrap}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover td{background:var(--surface-2)}
.table .strong{color:var(--text);font-weight:600}
.badge-up{color:#047857;background:var(--emerald-50);border:1px solid #a7f3d0;border-radius:999px;font-size:12px;font-weight:700;padding:2px 10px}
.badge-down{color:#be123c;background:var(--rose-50);border:1px solid #fecdd3;border-radius:999px;font-size:12px;font-weight:700;padding:2px 10px}
[data-theme="dark"] .badge-up{background:rgba(16,185,129,.14);color:#34d399;border-color:rgba(16,185,129,.35)}
[data-theme="dark"] .badge-down{background:rgba(244,63,94,.14);color:#fda4af;border-color:rgba(244,63,94,.35)}
.empty-state{padding:44px 20px;text-align:center;color:var(--text-mute);font-size:13.5px}
.table-foot{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 18px}

/* ============================================================
   Modal & Toast
   ============================================================ */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(3px);z-index:90;
  display:grid;place-items:center;padding:20px;opacity:0;pointer-events:none;transition:.2s}
.overlay.open{opacity:1;pointer-events:auto}
.modal{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow-lg);padding:26px;transform:translateY(12px) scale(.97);transition:.22s;
  max-height:calc(100dvh - 40px);overflow-y:auto}
.overlay.open .modal{transform:none}
.modal.modal-lg{max-width:520px}
.modal-icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,var(--brand-500),var(--violet-600));color:#fff}
.modal-icon.warn{background:linear-gradient(135deg,var(--rose-500),#fb7185)}
.modal-icon.success{background:linear-gradient(135deg,var(--emerald-500),#34d399)}
.modal-icon svg{width:26px;height:26px}
.modal h3{font-size:19px;font-weight:800;margin-bottom:8px}
.modal p{font-size:14px;color:var(--text-soft);margin-bottom:22px}
.modal-actions{display:flex;gap:10px}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  color:var(--text-mute);transition:.15s}
.modal-close:hover{background:var(--surface-2);color:var(--text)}
.modal-close svg{width:16px;height:16px}
.modal-tip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#b45309;
  background:var(--amber-50);border:1px solid #fde68a;border-radius:999px;padding:3px 11px;margin-bottom:14px}
[data-theme="dark"] .modal-tip{background:rgba(245,158,11,.14);color:#fbbf24;border-color:rgba(245,158,11,.35)}

/* 支付成功图标动画 */
@keyframes popIn{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}
@keyframes haloPulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.35)}100%{box-shadow:0 0 0 22px rgba(16,185,129,0)}}
.pay-result-icon{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;margin:6px auto 18px;color:#fff;
  animation:popIn .45s cubic-bezier(.34,1.56,.64,1) both}
.pay-result-icon.success{background:linear-gradient(135deg,var(--emerald-500),#34d399);animation:popIn .45s cubic-bezier(.34,1.56,.64,1) both,haloPulse 1.2s ease-out .3s}
.pay-result-icon.warn{background:linear-gradient(135deg,var(--amber-500),#fbbf24)}
.pay-result-icon.error{background:linear-gradient(135deg,var(--rose-500),#fb7185)}
.pay-result-icon svg{width:32px;height:32px}

/* 微信支付二维码区 */
.wxpay-body{display:flex;flex-direction:column;align-items:center;text-align:center;padding:6px 0 2px}
.wxpay-qr{background:#fff;border-radius:14px;padding:12px;border:1px solid var(--border);box-shadow:var(--shadow-sm);
  display:grid;place-items:center;min-width:204px;min-height:204px}
.wxpay-scan-hint{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-soft);font-weight:600;margin-top:14px}
.wxpay-scan-hint svg{width:16px;height:16px;color:#06b15a}
.wxpay-note{font-size:12.5px;color:var(--text-mute);margin-top:6px;margin-bottom:16px}
.wxpay-status{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;margin-bottom:12px;min-height:20px}
.wxpay-status.checking{color:var(--text-mute)}
.wxpay-status.error{color:var(--rose-500)}
.wxpay-status .dot{width:7px;height:7px;border-radius:50%;background:currentColor;animation:blink 1s infinite alternate}
@keyframes blink{from{opacity:.35}to{opacity:1}}

/* Stripe checkout 容器 */
.stripe-checkout-box{min-height:380px;border-radius:14px;overflow:hidden;background:#fff}
.stripe-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:380px;
  color:var(--text-mute);font-size:13.5px}

.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:11px;background:var(--surface);border:1px solid var(--border);
  border-radius:13px;box-shadow:var(--shadow-lg);padding:13px 18px;font-size:14px;font-weight:600;
  animation:toastIn .25s ease;min-width:240px;max-width:min(480px,90vw);pointer-events:auto}
.toast .ti{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;flex:0 0 auto}
.toast.success .ti{background:var(--emerald-50);color:var(--emerald-500)}
.toast.info .ti{background:var(--brand-50);color:var(--brand-600)}
.toast.error .ti{background:var(--rose-50);color:var(--rose-500)}
[data-theme="dark"] .toast.success .ti{background:rgba(16,185,129,.14)}
[data-theme="dark"] .toast.info .ti{background:rgba(139,92,246,.16)}
[data-theme="dark"] .toast.error .ti{background:rgba(244,63,94,.14)}
.toast .ti svg{width:15px;height:15px}
@keyframes toastIn{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}
.toast.leaving{opacity:0;transform:translateY(-10px);transition:.3s}

/* 视图切换动画 */
.view-fade{animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ============================================================
   翻译维护（内置术语库 / 内置错别词库）
   ============================================================ */
.tm-scope-badge{display:inline-block;vertical-align:middle;margin-left:10px;padding:3px 11px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--brand-600);background:var(--brand-50);border:1px solid var(--brand-200)}
[data-theme="dark"] .tm-scope-badge{background:rgba(139,92,246,.16);color:var(--brand-400);border-color:rgba(139,92,246,.4)}

.tm-filters{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin-bottom:18px;
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.tm-filter{min-width:170px}
.tm-filter-grow{flex:1 1 220px}
.tm-filter label{display:block;font-size:12.5px;font-weight:600;color:var(--text-soft);margin-bottom:6px}
.tm-filter .input{height:42px}
.tm-filter-actions{display:flex;gap:9px;margin-left:auto}

select.input{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:34px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:15px}

/* 启用/禁用开关 */
.tm-switch{position:relative;width:40px;height:23px;border-radius:999px;border:1.5px solid var(--border-strong);
  background:var(--bg-soft);cursor:pointer;padding:0;transition:background .18s,border-color .18s;flex:0 0 auto}
.tm-switch i{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--surface);
  box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .18s}
.tm-switch.on{background:var(--brand-500);border-color:var(--brand-500)}
.tm-switch.on i{transform:translateX(16px);background:#fff}
.tm-switch:disabled{opacity:.55;cursor:wait}

.tm-note-cell{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-mute)}
.tm-row-actions{white-space:nowrap;display:flex;gap:7px}
.tm-total{margin-right:auto;font-size:13px;color:var(--text-mute);font-weight:600}

.tm-dialog-title{font-size:19px;font-weight:800;margin:2px 0 4px}
.tm-dialog-scope{font-size:12.5px;font-weight:600;color:var(--brand-600);margin-bottom:16px}
[data-theme="dark"] .tm-dialog-scope{color:var(--brand-400)}
.tm-dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.tm-enabled-row{display:flex;align-items:center;gap:12px}
.tm-delete-text{font-size:14px;color:var(--text-soft);line-height:1.65;margin:10px 0 4px}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:1080px){
  .plans,.credits{grid-template-columns:1fr 1fr}
  .plan.featured{order:-1}
  .stat-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:920px){
  .auth{grid-template-columns:1fr}
  .auth-right{display:none}
}
@media(max-width:760px){
  .plans,.credits{grid-template-columns:1fr}
  .content{padding:24px 18px 70px}
  .user-email{display:none}
  .topbar{padding:0 16px}
  .stat-grid{grid-template-columns:1fr}
}