/* =========================================================
   TJ 跨境 SaaS · UI 风格提案 v1
   theme.css —— 三套风格令牌 + 共享组件
   约束来源：PRD V0.4 §6.1（左导航+右内容 / 白底+单一强调色 / 手风琴层级）
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: "Inter", "HarmonyOS Sans SC", "PingFang SC", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #101828;
  background: #F4F5F8;
}

svg.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor;
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
svg.ic-12 { width: 12px; height: 12px; stroke-width: 2.4; }
svg.ic-14 { width: 14px; height: 14px; }
svg.ic-16 { width: 16px; height: 16px; }
svg.ic-20 { width: 20px; height: 20px; stroke-width: 1.5; }
svg.ic-22 { width: 22px; height: 22px; stroke-width: 1.5; }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

:focus-visible { outline: 2px solid var(--accent, #4F46E5); outline-offset: 2px; }

/* =========================================================
   1. 风格令牌
   ========================================================= */

.view {
  --accent: #4F46E5;
  --accent-strong: #4338CA;
  --accent-soft: #EEF2FF;
  --ring: rgba(79, 70, 229, .18);
  --page: #F6F7FA;
  --surface: #FFFFFF;
  --surface-2: #FAFBFC;
  --line: #E8EAEF;
  --line-strong: #D5D9E1;
  --ink: #101828;
  --ink-2: #5A6478;
  --ink-3: #8B93A3;
  --ok: #047857;      --ok-bg: #ECFDF5;   --ok-line: #C7EFDD;
  --warn: #B45309;    --warn-bg: #FFFBEB; --warn-line: var(--warn-line);
  --danger: #B42318;  --danger-bg: #FEF3F2; --danger-line: var(--danger-line);
  --r: 10px; --r-sm: 6px; --r-lg: 14px; --r-pill: 999px;
  --ctrl-h: 40px;
  --pad-card: 20px;
  --gap: 16px;
  --nav-h: 34px;
  --sidebar-bg: #FFFFFF;
  --sidebar-line: #E8EAEF;
  --sidebar-ink: #46506A;
  --sidebar-title: #9AA2B4;
  --sidebar-active-bg: var(--accent-soft);
  --sidebar-active-ink: var(--accent-strong);
  --sh-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --sh-md: 0 2px 6px -1px rgba(16, 24, 40, .07), 0 8px 20px -14px rgba(16, 24, 40, .22);
  --sh-lg: 0 18px 44px -22px rgba(16, 24, 40, .28);
  --auth-bg: radial-gradient(1100px 520px at 50% -10%, #EEF2FF 0%, rgba(255,255,255,0) 62%), var(--page);
  --fs: 14px;
}

/* ---------- A｜清简 Indigo ---------- */
.view[data-style="a"] {
  --accent: #4F46E5; --accent-strong: #4338CA; --accent-soft: #EEF2FF;
  --ring: rgba(79, 70, 229, .18);
  --page: #F6F7FA; --surface: #FFFFFF; --surface-2: #FAFBFC;
  --line: #E8EAEF; --line-strong: #D5D9E1;
  --ink: #101828; --ink-2: #5A6478; --ink-3: #8B93A3;
  --r: 10px; --r-sm: 6px; --r-lg: 14px;
  --ctrl-h: 40px; --pad-card: 20px; --gap: 16px; --nav-h: 34px;
  --sidebar-bg: #FFFFFF; --sidebar-line: #E8EAEF; --sidebar-ink: #46506A;
  --sidebar-active-bg: #EEF2FF; --sidebar-active-ink: #4338CA;
  --sh-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --sh-md: 0 2px 6px -1px rgba(16, 24, 40, .07), 0 10px 22px -16px rgba(16, 24, 40, .25);
  --sh-lg: 0 18px 44px -22px rgba(16, 24, 40, .30);
  --auth-bg: radial-gradient(1100px 520px at 50% -8%, #E9EDFF 0%, rgba(255,255,255,0) 62%), #F6F7FA;
}

/* ---------- B｜品牌 Coral · 清爽版（定稿，2026-10-16） ----------
   品牌感由「强调色 + 登录页品牌区」承载；工作区改为中性白 + 细线 + 轻阴影，
   避免大面积暖色底造成的闷、旧、累眼。 */
.view[data-style="b"] {
  --accent: #F4511E; --accent-strong: #D93F0F; --accent-soft: #FFF1EA;
  --ring: rgba(244, 81, 30, .18);
  --page: #F7F8FA; --surface: #FFFFFF; --surface-2: #FAFBFC;
  --line: #ECEEF2; --line-strong: #DCE0E6;
  --ink: #1B2028; --ink-2: #4E5762; --ink-3: #6F7681;
  --r: 12px; --r-sm: 8px; --r-lg: 16px;
  --ctrl-h: 44px; --pad-card: 20px; --gap: 16px; --nav-h: 36px;
  --sidebar-bg: #FFFFFF; --sidebar-line: #ECEEF2; --sidebar-ink: #59616E;
  --sidebar-title: #9AA3B0;
  --sidebar-active-bg: #FFF1EA; --sidebar-active-ink: #D93F0F;
  --sh-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --sh-md: 0 1px 3px rgba(16, 24, 40, .06), 0 10px 24px -18px rgba(16, 24, 40, .22);
  --sh-lg: 0 18px 44px -26px rgba(16, 24, 40, .28);
  --auth-bg: var(--page);
  --fs: 14px;
}
/* 工作区留白略放大，层次更透气 */
.view[data-style="b"] .main-inner { padding: 24px 28px 44px; }
.view[data-style="b"] .panel-head { padding: 15px var(--pad-card); }

/* ---------- B｜暖版（对比用，工具栏可切回） ---------- */
body[data-b="warm"] .view[data-style="b"] {
  --page: #FBF7F4; --surface: #FFFFFF; --surface-2: #FFFCFA;
  --line: #F1E6E0; --line-strong: #E3D3CA;
  --ink: #231A16; --ink-2: #7A6A62; --ink-3: #A89790;
  --r: 14px; --r-sm: 9px; --r-lg: 20px;
  --ctrl-h: 46px; --pad-card: 24px; --gap: 20px; --nav-h: 38px;
  --sidebar-bg: #FFFDFB; --sidebar-line: #F3E9E3; --sidebar-ink: #6B5951;
  --sidebar-title: #A89790;
  --sh-sm: 0 1px 2px rgba(120, 60, 30, .05);
  --sh-md: 0 10px 26px -18px rgba(244, 81, 30, .35), 0 2px 6px -2px rgba(120, 60, 30, .06);
  --sh-lg: 0 24px 56px -26px rgba(244, 81, 30, .40);
  --auth-bg: linear-gradient(135deg, #FFF6F1 0%, #FDF1EC 45%, #FBF7F4 100%);
}

/* ---------- C｜墨调 Deep Teal ---------- */
.view[data-style="c"] {
  --accent: #0E9F86; --accent-strong: #0A7C69; --accent-soft: #E6F6F2;
  --ring: rgba(14, 159, 134, .22);
  --page: #F3F6F5; --surface: #FFFFFF; --surface-2: #F8FAF9;
  --line: #E1E8E6; --line-strong: #CBD8D5;
  --ink: #08201C; --ink-2: #546663; --ink-3: #82948F;
  --r: 6px; --r-sm: 4px; --r-lg: 10px;
  --ctrl-h: 38px; --pad-card: 16px; --gap: 12px; --nav-h: 30px;
  --sidebar-bg: #0B2A26; --sidebar-line: rgba(255, 255, 255, .09);
  --sidebar-ink: #A7C0BC; --sidebar-title: rgba(167, 192, 188, .6);
  --sidebar-active-bg: rgba(14, 159, 134, .20); --sidebar-active-ink: #FFFFFF;
  --sh-sm: 0 1px 2px rgba(8, 32, 28, .06);
  --sh-md: 0 2px 4px rgba(8, 32, 28, .06), 0 12px 24px -18px rgba(8, 32, 28, .45);
  --sh-lg: 0 20px 48px -26px rgba(8, 32, 28, .55);
  --auth-bg: #F3F6F5;
}

/* =========================================================
   2. 提案工具栏（不属于产品界面）
   ========================================================= */
.devbar {
  position: fixed; inset: 0 0 auto 0; z-index: 99; height: 58px;
  display: flex; align-items: center; gap: 18px; padding: 0 18px;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid #E4E7EC;
  box-shadow: 0 1px 0 rgba(16, 24, 40, .02), 0 6px 20px -18px rgba(16, 24, 40, .35);
}
.devbar-brand { display: flex; align-items: center; gap: 10px; padding-right: 18px; border-right: 1px solid #EDF0F4; }
.devbar-mark {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, #6366F1, #0E9F86);
  color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .04em;
  display: flex; align-items: center; justify-content: center;
}
.devbar-brand strong { display: block; font-size: 13px; line-height: 1.35; }
.devbar-brand span { display: block; font-size: 11px; color: #8B93A3; line-height: 1.35; }
.devbar-ctrl { display: flex; align-items: center; gap: 10px; min-width: 0; }
.devbar-note {
  margin-left: auto; font-size: 11.5px; color: #98A2B3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; padding-left: 12px;
}

.seg { display: inline-flex; padding: 3px; gap: 2px; background: #F1F3F7; border-radius: 10px; flex: none; }
.seg-btn {
  border: 0; background: transparent; color: #5A6478; font-size: 12px; font-weight: 600;
  padding: 6px 10px; border-radius: 8px; transition: background .15s, color .15s, box-shadow .15s;
  white-space: nowrap;
}
.seg-btn:hover { color: #101828; }
.seg-btn.is-on { background: #fff; color: #101828; box-shadow: 0 1px 3px rgba(16, 24, 40, .1); }

.stage { padding-top: 58px; }
.view { display: none; }
.view.is-on { display: block; }

/* 兜底：带 hidden 属性的元素必须真正隐藏
   作者样式里的 display（如 .alert{display:flex} / .shop-groups{display:grid}）
   会以「作者样式优先于 UA 样式」盖掉浏览器默认的 [hidden]{display:none}，故显式兜底。 */
[hidden] { display: none !important; }

/* =========================================================
   3. 通用组件
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: var(--ctrl-h); padding: 0 16px; border: 1px solid transparent;
  border-radius: var(--r); font-size: 13.5px; font-weight: 600; line-height: 1;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s, transform .12s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(16, 24, 40, .08); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: var(--surface); border-color: var(--line-strong); color: var(--ink-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-strong); background: var(--accent-soft); }
.btn-quiet { background: transparent; color: var(--ink-2); }
.btn-quiet:hover { background: var(--accent-soft); color: var(--accent-strong); }
.btn-sm { height: 30px; padding: 0 11px; font-size: 12.5px; border-radius: var(--r-sm); }
.btn-block { width: 100%; }
.btn-icon { width: var(--ctrl-h); padding: 0; }

.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 12.5px; font-weight: 650; color: var(--ink); margin-bottom: 7px; }
.field .hint { margin: 6px 0 0; font-size: 11.5px; color: var(--ink-3); line-height: 1.6; }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .lead { position: absolute; left: 12px; color: var(--ink-3); display: flex; pointer-events: none; }
.input-wrap .lead + .input { padding-left: 38px; }
.input-wrap .trail {
  position: absolute; right: 6px; display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border: 0; background: transparent; color: var(--ink-3); border-radius: var(--r-sm);
}
.input-wrap .trail:hover { color: var(--ink); background: var(--surface-2); }
.input {
  width: 100%; height: var(--ctrl-h); padding: 0 12px; font-size: var(--fs); color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r);
  transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: #A9B0BD; }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }
.input.is-code { letter-spacing: .22em; font-weight: 700; text-transform: uppercase; }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.link { color: var(--accent-strong); font-weight: 600; font-size: 13px; }
.link:hover { text-decoration: underline; }
.divider { height: 1px; background: var(--line); margin: 18px 0; border: 0; }

.badge {
  display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 9px;
  border-radius: var(--r-pill); font-size: 11px; font-weight: 700; letter-spacing: .01em;
  background: #F1F3F6; color: #5A6478; white-space: nowrap;
}
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-accent { background: var(--accent-soft); color: var(--accent-strong); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* 站点标签：语义色恒定，不随主题变化（避免用户误判数据归属） */
.chip {
  display: inline-flex; align-items: center; gap: 4px; height: 20px; padding: 0 8px;
  border-radius: var(--r-pill); font-size: 11px; font-weight: 800; letter-spacing: .03em;
}
.chip-my { background: #E7F0FF; color: #1D4ED8; }
.chip-ph { background: #FFEDE4; color: #C2410C; }
.chip-none { background: #F1F3F6; color: #64748B; }

.alert {
  display: flex; gap: 9px; padding: 11px 13px; border-radius: var(--r-sm);
  font-size: 12.5px; line-height: 1.65; border: 1px solid transparent;
}
.alert svg { margin-top: 1px; }
.alert-info { background: var(--surface-2); color: var(--ink-2); border-color: var(--line); }
.alert-info b { color: var(--ink); }
.alert-error { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-line); }
.alert-warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-line); }

/* =========================================================
   4. 认证页（登录 / 内测码 / 注册 / 找回）
   ========================================================= */
.auth {
  min-height: calc(100vh - 58px); display: flex; align-items: center; justify-content: center;
  padding: 48px 24px; background: var(--auth-bg);
}
.auth-card {
  width: 100%; max-width: 424px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-lg); padding: 32px;
}
.auth-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 26px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: var(--r-sm); flex: none;
  background: var(--accent); color: #fff; font-size: 14px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; letter-spacing: .02em;
}
.logo-mark.round { border-radius: 12px; background: linear-gradient(135deg, #FF7A45, #F4511E); }
.logo-mark.square { border-radius: 6px; background: #0B2A26; }
.auth-brand strong { display: block; font-size: 15px; letter-spacing: -.01em; }
.auth-brand span { display: block; font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.auth h1 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.02em; }
.auth .sub { margin: 0 0 24px; font-size: 13px; color: var(--ink-2); line-height: 1.65; }
.auth-foot { margin-top: 22px; font-size: 13px; color: var(--ink-2); text-align: center; }
.legal { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--ink-3); display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.legal a:hover { color: var(--accent-strong); }

.alt-login { display: flex; gap: 10px; margin-top: 14px; }
.alt-login .btn { flex: 1; }
.btn.is-disabled { opacity: .5; cursor: not-allowed; background: var(--surface-2); color: var(--ink-3); border-color: var(--line); }

/* 分栏式认证（B / C） */
.auth-split { min-height: calc(100vh - 58px); display: grid; grid-template-columns: 1.02fr 1fr; }
.auth-split.rev { grid-template-columns: 1fr 1.02fr; }
.auth-form-side { display: flex; align-items: center; justify-content: center; padding: 48px 32px; background: var(--surface); }
.auth-form-inner { width: 100%; max-width: 396px; }
.brand-side {
  position: relative; overflow: hidden; padding: 52px 48px; display: flex; flex-direction: column;
  justify-content: space-between; color: #fff;
}
.brand-side.warm { background: linear-gradient(158deg, #FF8A5B 0%, #F4511E 52%, #D93F0F 100%); }
.brand-side.dark { background: linear-gradient(168deg, #0E3B34 0%, #0B2A26 60%, #071C19 100%); }
.brand-side .glow {
  position: absolute; border-radius: 50%; filter: blur(0px); pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,.22), rgba(255,255,255,0) 68%);
}
.brand-side .glow.g1 { width: 460px; height: 460px; right: -160px; top: -150px; }
.brand-side .glow.g2 { width: 320px; height: 320px; left: -120px; bottom: -110px; background: radial-gradient(circle, rgba(255,255,255,.14), rgba(255,255,255,0) 70%); }
.brand-side .grid-lines {
  position: absolute; inset: 0; opacity: .16; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 90% at 78% 8%, #000 0%, transparent 72%);
}
.brand-side > * { position: relative; z-index: 1; }
.brand-side .bs-brand { display: flex; align-items: center; gap: 11px; }
.brand-side .bs-brand .logo-mark { background: rgba(255, 255, 255, .95); color: #D93F0F; }
.brand-side.dark .bs-brand .logo-mark { background: #0E9F86; color: #fff; }
.brand-side .bs-brand strong { display: block; font-size: 15px; }
.brand-side .bs-brand span { display: block; font-size: 11.5px; opacity: .78; margin-top: 2px; }
.brand-side h2 { margin: 0 0 14px; font-size: 27px; line-height: 1.35; letter-spacing: -.02em; max-width: 15em; }
.brand-side .bs-lead { margin: 0 0 26px; font-size: 13.5px; line-height: 1.75; opacity: .88; max-width: 24em; }
.bs-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.bs-points li { display: flex; gap: 11px; font-size: 13px; line-height: 1.6; }
.bs-points .tick {
  width: 22px; height: 22px; flex: none; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .3);
}
.bs-points strong { display: block; font-size: 13px; }
.bs-points em { font-style: normal; font-size: 12px; opacity: .78; display: block; margin-top: 2px; }
.bs-foot { font-size: 11.5px; opacity: .66; }

/* 内测码页专用 */
.beta-card { max-width: 452px; }
.beta-steps { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; }
.beta-step { display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--ink-3); }
.beta-step .n {
  width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; background: var(--surface-2); border: 1px solid var(--line-strong); color: var(--ink-3);
}
.beta-step.is-done .n { background: var(--accent); border-color: var(--accent); color: #fff; }
.beta-step.is-now { color: var(--ink); font-weight: 650; }
.beta-step.is-now .n { border-color: var(--accent); color: var(--accent-strong); background: var(--accent-soft); }
.beta-bar { flex: 1; height: 1px; background: var(--line-strong); min-width: 12px; }
.account-strip {
  display: flex; align-items: center; gap: 10px; padding: 11px 13px; border-radius: var(--r-sm);
  background: var(--surface-2); border: 1px solid var(--line); margin-bottom: 20px; font-size: 12.5px;
}
.account-strip .av {
  width: 26px; height: 26px; border-radius: 50%; flex: none; background: var(--accent-soft);
  color: var(--accent-strong); font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.state-demo { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line-strong); }
.state-demo h4 { margin: 0 0 10px; font-size: 11.5px; font-weight: 700; color: var(--ink-3);
  letter-spacing: .06em; text-transform: uppercase; }
.state-demo ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.state-demo li { font-size: 12px; color: var(--ink-2); display: flex; gap: 8px; align-items: flex-start; line-height: 1.55; }
.state-demo .tag {
  flex: none; min-width: 62px; height: 19px; padding: 0 6px; border-radius: var(--r-sm);
  font-size: 10.5px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center;
  background: #F1F3F6; color: #5A6478;
}

/* =========================================================
   5. 工作台外壳（左导航 + 右内容）
   ========================================================= */
.app { display: grid; grid-template-columns: 252px minmax(0, 1fr); min-height: calc(100vh - 58px); }
.view[data-style="c"] .app { grid-template-columns: 236px minmax(0, 1fr); }

.sidebar {
  background: var(--sidebar-bg); border-right: 1px solid var(--sidebar-line);
  display: flex; flex-direction: column; padding: 16px 12px 14px; gap: 14px;
  position: sticky; top: 58px; height: calc(100vh - 58px); overflow-y: auto;
}
.sb-brand { display: flex; align-items: center; gap: 10px; padding: 2px 6px 0; }
.sb-brand .logo-mark { width: 34px; height: 34px; font-size: 13px; border-radius: var(--r-sm); }
.view[data-style="b"] .sb-brand .logo-mark { border-radius: 10px; }
.sb-brand .txt strong { display: block; font-size: 13.5px; color: var(--ink); letter-spacing: -.01em; }
.view[data-style="c"] .sb-brand .txt strong { color: #fff; }
.sb-brand .txt span { display: block; font-size: 10.5px; color: var(--ink-3); margin-top: 1px; }
.view[data-style="c"] .sb-brand .txt span { color: var(--sidebar-ink); }
.sb-brand .badge { margin-left: auto; height: 19px; font-size: 10px; }
.view[data-style="c"] .sb-brand .badge { background: rgba(14, 159, 134, .22); color: #7FE3D0; }

/* 站点上下文切换器（PRD §6.1：置于左侧导航栏） */
.site-box { padding: 10px; border-radius: var(--r); background: var(--surface-2); border: 1px solid var(--line); }
.view[data-style="c"] .site-box { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .1); }
.site-box .lbl {
  font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 7px; display: block;
}
.view[data-style="c"] .site-box .lbl { color: rgba(167, 192, 188, .75); }
.site-btn {
  width: 100%; height: 32px; display: flex; align-items: center; gap: 8px; padding: 0 9px;
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  color: var(--ink); font-size: 12.5px; font-weight: 650;
}
.view[data-style="c"] .site-btn { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .14); color: #E8F4F1; }
.site-btn .swatch { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.site-btn .ic { margin-left: auto; color: var(--ink-3); }
.site-chips { display: flex; gap: 5px; margin-top: 8px; }

.nav { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.nav-group-title {
  display: flex; align-items: center; gap: 6px; padding: 4px 8px; border: 0; background: transparent;
  font-size: 10px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--sidebar-title); width: 100%;
}
.nav-group-title .ic { margin-left: auto; opacity: .8; }
.nav-item {
  display: flex; align-items: center; gap: 9px; height: var(--nav-h); padding: 0 8px;
  border-radius: var(--r-sm); color: var(--sidebar-ink); font-size: 13px; font-weight: 550;
  transition: background .14s, color .14s;
}
.nav-item:hover { background: var(--sidebar-active-bg); color: var(--sidebar-active-ink); }
.nav-item .ic { opacity: .85; }
.nav-item .count {
  margin-left: auto; min-width: 20px; height: 18px; padding: 0 6px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-3);
  font-size: 10.5px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center;
}
.view[data-style="c"] .nav-item .count { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .12); color: var(--sidebar-ink); }
.nav-item.is-active { background: var(--sidebar-active-bg); color: var(--sidebar-active-ink); font-weight: 700; }
.view[data-style="c"] .nav-item.is-active { box-shadow: inset 2px 0 0 var(--accent); }

/* ===== 左下角账号区（2026-10-18 重设计） =====
   旧版：一整块灰卡里塞「头像+名字+邮箱+版本号+两个图标」，版本号与合规链接挤成小字，退出只有图标，识别成本高。
   新版：常态只有「一行账号」（头像 + 名字 + 邮箱 + 展开箭头），点开才出现菜单（用户 ID 可复制 / 大模型管理 / 版本与合规 / 退出登录）。
   退出登录由图标改成带文字的次级按钮，明确「这是退出」，并放在菜单最底部与其它动作分开。 */
.sb-account {
  margin-top: auto; padding-top: 10px; border-top: 1px solid var(--sidebar-line);
}
.view[data-style="c"] .sb-account { border-top-color: rgba(255, 255, 255, .1); }
.sb-account .acct-row { display: flex; align-items: center; gap: 4px; }
.sb-account .acct-btn {
  display: flex; align-items: center; gap: 9px; min-width: 0; flex: 1;
  padding: 6px 7px; border: 1px solid transparent; border-radius: var(--r-sm);
  background: transparent; text-align: left; color: inherit; cursor: pointer;
}
.sb-account .acct-btn:hover { background: var(--surface-2); border-color: var(--line); }
.view[data-style="c"] .sb-account .acct-btn:hover { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .1); }
.sb-account .acct-btn[aria-expanded="true"] { background: var(--surface-2); border-color: var(--line-strong); }
.sb-account .av {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--accent) 0%, #FF8A5B 100%);
  color: #fff; font-size: 11.5px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 1px 2px rgba(244, 81, 30, .25);
}
.sb-account .who { min-width: 0; flex: 1; display: block; }
.sb-account .who strong {
  display: block; font-size: 12.5px; font-weight: 700; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.view[data-style="c"] .sb-account .who strong { color: #fff; }
.sb-account .mail {
  display: block; margin-top: 1px; font-size: 11px; color: var(--ink-3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.view[data-style="c"] .sb-account .mail { color: var(--sidebar-ink); }
.sb-account .acct-btn .chev { flex: none; color: var(--ink-3); transition: transform .16s ease; }
.sb-account .acct-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
/* 注：旧「密钥图标快捷入口」已移除——图标无文字说明易误认，入口统一收进 acct-panel 的「大模型管理」 */

/* 展开面板：在侧栏内向上生长（不用浮层，避免被侧栏滚动裁切） */
.sb-account .acct-panel {
  margin-top: 8px; padding: 6px; border-radius: var(--r);
  background: var(--surface-2); border: 1px solid var(--line);
}
.view[data-style="c"] .sb-account .acct-panel { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .1); }
.sb-account .am-id {
  display: flex; align-items: center; gap: 8px; padding: 6px 8px; margin-bottom: 4px;
  border-radius: var(--r-sm); background: var(--surface); border: 1px dashed var(--line-strong);
  cursor: pointer; font-size: 11px; color: var(--ink-3);
}
.sb-account .am-id:hover { border-color: var(--accent); color: var(--ink-2); }
.sb-account .am-id .k { flex: none; }
.sb-account .am-id code {
  flex: 1; min-width: 0; font-size: 10.5px; color: var(--ink-2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sb-account .am-id .am-copy { flex: none; font-weight: 700; color: var(--accent-strong); }
.sb-account .am-item {
  display: flex; align-items: center; gap: 8px; height: 32px; padding: 0 8px;
  border-radius: var(--r-sm); font-size: 12.5px; font-weight: 600; color: var(--ink-2);
}
.sb-account .am-item:hover { background: var(--surface); color: var(--accent-strong); }
.view[data-style="c"] .sb-account .am-item { color: var(--sidebar-ink); }
.view[data-style="c"] .sb-account .am-item:hover { background: rgba(255, 255, 255, .08); color: #fff; }
/* 用户侧唯一保留的「系统版本号」+ 合规入口 */
.sb-account .ver {
  margin: 6px 4px 2px; padding-top: 7px; border-top: 1px solid var(--line);
  font-size: 10.5px; line-height: 1.55; color: var(--ink-3);
}
.view[data-style="c"] .sb-account .ver { color: var(--sidebar-ink); border-top-color: rgba(255, 255, 255, .1); }
.sb-account .ver a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.sb-account .ver a:hover { color: var(--accent-strong); }
/* 退出登录：图标改文字按钮，明确动作且与上方菜单分隔 */
.sb-account .out {
  width: 100%; margin-top: 6px; height: 32px; padding: 0 8px; display: flex; align-items: center; gap: 8px;
  justify-content: flex-start; border: 1px solid transparent; border-radius: var(--r-sm);
  background: transparent; color: var(--ink-3); font-size: 12.5px; font-weight: 650;
}
.sb-account .out:hover { color: var(--danger); background: var(--danger-bg); border-color: var(--danger-line); }

.main { background: var(--page); min-width: 0; }
.main-inner { padding: 22px 26px 40px; max-width: 1320px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: 21px; letter-spacing: -.02em; }
.page-head .meta { margin: 6px 0 0; font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.head-actions { display: flex; align-items: center; gap: 9px; }

/* 引导条 */
.hero {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-sm); padding: var(--pad-card); margin-bottom: var(--gap); position: relative; overflow: hidden;
}
/* 清爽版引导条：纯白卡 + 细线，靠留白和层级分层，不用大块渐变 */
.view[data-style="b"] .hero { background: var(--surface); border-color: var(--line); }
.view[data-style="b"] .hero-progress .bar { background: #F1F3F6; border-color: #E8EBF0; }
body[data-b="warm"] .view[data-style="b"] .hero {
  background: linear-gradient(120deg, #FFF8F4 0%, #FFFFFF 46%, #FFF6F1 100%);
  border-color: #F6E4DB;
}
.view[data-style="c"] .hero { border-radius: var(--r-lg); border-left: 3px solid var(--accent); }
.hero-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.hero h2 { margin: 0 0 6px; font-size: 16.5px; letter-spacing: -.01em; }
.hero .kicker {
  font-size: 10.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent-strong); margin-bottom: 8px; display: block;
}
.hero p.lead { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.7; max-width: 46em; }
.hero-progress { min-width: 180px; text-align: right; }
.hero-progress .num { font-size: 20px; font-weight: 750; letter-spacing: -.02em; }
.hero-progress .num span { font-size: 12.5px; color: var(--ink-3); font-weight: 600; }
.hero-progress .bar { height: 6px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); margin-top: 9px; overflow: hidden; }
.view[data-style="c"] .hero-progress .bar { background: #EDF2F1; }
.hero-progress .bar i { display: block; height: 100%; width: 66%; background: var(--accent); border-radius: 999px; }

.steps { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step {
  display: flex; align-items: flex-start; gap: 11px; padding: 12px; border-radius: var(--r);
  border: 1px solid var(--line); background: var(--surface-2);
}
.step.is-now { border-color: var(--accent); background: var(--accent-soft); }
.step .n {
  width: 24px; height: 24px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center;
  font-size: 11.5px; font-weight: 800; background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink-3);
}
.step.is-done .n { background: var(--accent); border-color: var(--accent); color: #fff; }
.step.is-now .n { background: var(--surface); border-color: var(--accent); color: var(--accent-strong); }
.step strong { display: block; font-size: 13px; }
.step em { font-style: normal; display: block; font-size: 11.5px; color: var(--ink-2); margin-top: 3px; line-height: 1.5; }
.step .step-cta { margin-top: 9px; }

.grid-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); margin-bottom: var(--gap); }
.modcard {
  display: flex; flex-direction: column; gap: 9px; padding: var(--pad-card);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-sm); transition: box-shadow .18s, transform .18s, border-color .18s;
}
.modcard:hover { box-shadow: var(--sh-md); transform: translateY(-2px); border-color: var(--line-strong); }
.modcard .top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.modcard .ic-wrap {
  width: 36px; height: 36px; border-radius: var(--r-sm); display: flex; align-items: center;
  justify-content: center; background: var(--accent-soft); color: var(--accent-strong);
}
.view[data-style="c"] .modcard .ic-wrap { border-radius: var(--r-sm); }
.modcard strong { font-size: 14px; letter-spacing: -.01em; }
.modcard p { margin: 0; font-size: 12px; color: var(--ink-2); line-height: 1.62; flex: 1; }
.modcard .go { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700; color: var(--accent-strong); }

.cols { display: grid; grid-template-columns: minmax(0, 1.72fr) minmax(0, 1fr); gap: var(--gap); }
.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-sm); overflow: hidden;
}
.panel + .panel { margin-top: var(--gap); }
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px var(--pad-card); border-bottom: 1px solid var(--line);
}
.panel-head h3 { margin: 0; font-size: 13.5px; letter-spacing: -.01em; }
.panel-head .ic-quiet { color: var(--ink-3); font-size: 11.5px; }
.panel-body { padding: var(--pad-card); }
.panel-body.tight { padding: 8px var(--pad-card) var(--pad-card); }

.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-3); padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.tbl td { padding: 12px 10px; border-bottom: 1px solid var(--line); font-size: 12.5px; vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .cell-title { font-weight: 650; color: var(--ink); max-width: 320px; }
.tbl .cell-sub { display: block; font-size: 11px; color: var(--ink-3); margin-top: 3px; font-weight: 400; }
.tbl .cell-muted { color: var(--ink-3); font-size: 12px; white-space: nowrap; }
.view[data-style="c"] .tbl td { padding: 9px 10px; }
.view[data-style="c"] .tbl th { font-size: 10.5px; }

.quick { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.quick a {
  display: flex; flex-direction: column; gap: 7px; padding: 12px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: var(--surface-2); font-size: 12px; font-weight: 600; color: var(--ink);
  transition: border-color .15s, background .15s, color .15s;
}
.quick a:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); }
.quick a .ic { color: var(--accent-strong); }

.kv { display: grid; gap: 2px; }
.kv-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.kv-row:last-child { border-bottom: 0; }
.kv-row .k { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 7px; }
.kv-row .v { margin-left: auto; }

.proto-note {
  margin-top: 22px; padding-top: 14px; border-top: 1px dashed var(--line-strong);
  font-size: 11.5px; color: var(--ink-3); display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}

/* 大模型通道的「能力标签」（可多选）：理解 / 出图 两色区分，恒定不随主题变化 —— 2026-10-17 */
.cap-set { display: inline-flex; gap: 4px; padding: 3px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-sm); }
.cap {
  height: 26px; padding: 0 11px; border: 1px solid transparent; background: transparent;
  border-radius: 6px; font-size: 11.5px; font-weight: 700; color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 5px; cursor: pointer; font-family: inherit;
}
.cap:hover { color: var(--ink-2); background: rgba(0, 0, 0, .03); }
.cap.is-on[data-cap="understand"] { background: #EEF2FF; color: #3730A3; border-color: #C7D2FE; }
.cap.is-on[data-cap="image"] { background: var(--accent-soft); color: var(--accent-strong); border-color: #FBD7C9; }
.cap .tick { display: none; }
.cap.is-on .tick { display: block; }
.cap-none {
  font-size: 11px; font-weight: 650; color: var(--warn); background: var(--warn-bg);
  border: 1px solid var(--warn-line); border-radius: var(--r-pill); padding: 2px 9px;
}

/* 折叠的「实现说明」（原页面上的说明面板，默认收起，不打扰） —— 2026-10-17 */.proto-details {
  margin-top: var(--gap); border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--surface); padding: 0 var(--pad-card);
}
.proto-details > summary {
  cursor: pointer; list-style: none; padding: 14px 0;
  font-size: 12.5px; font-weight: 650; color: var(--ink-2);
  display: flex; align-items: center; gap: 8px;
}
.proto-details > summary::-webkit-details-marker { display: none; }
.proto-details > summary::before {
  content: ""; width: 7px; height: 7px; flex: none;
  border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg); transition: transform .15s; margin-top: -3px;
}
.proto-details[open] > summary::before { transform: rotate(45deg); margin-top: -1px; }
.proto-details > summary:hover { color: var(--accent-strong); }
.proto-details > *:not(summary) { padding-bottom: var(--pad-card); }

/* 响应式 */
@media (max-width: 1180px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
  .cols { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .auth-split, .auth-split.rev { grid-template-columns: 1fr; }
  .brand-side { display: none; }
  .app, .view[data-style="c"] .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .devbar { height: auto; flex-wrap: wrap; padding: 8px 14px; gap: 10px; }
  .devbar-note { margin-left: 0; }
  .stage, .sidebar { top: 0; }
}