* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Microsoft YaHei", "PingFang SC", sans-serif;
  color: #1f2937;
  background: #f5f6f8;
  line-height: 1.6;
}
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- front layout ---- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0;
  background: #1e293b; color: #e2e8f0;
  padding: 20px 0;
}
.brand { padding: 0 20px 20px; border-bottom: 1px solid #334155; margin-bottom: 12px; }
.brand-main { font-size: 22px; font-weight: 700; color: #fff; }
.brand-sub { font-size: 14px; color: #94a3b8; letter-spacing: 4px; }
.nav { display: flex; flex-direction: column; }
.nav-item {
  padding: 10px 20px; color: #cbd5e1; display: block;
}
.nav-item:hover { background: #334155; color: #fff; text-decoration: none; }
.nav-item.home { font-weight: 600; }
.nav-item.admin { margin-top: 12px; border-top: 1px solid #334155; padding-top: 12px; }

.statusbar {
  text-align: center; padding: 12px 16px; color: #666; font-size: 13px;
  border-top: 1px solid #e5e7eb; background: #fff;
}

.content { flex: 1; display: flex; flex-direction: column; }
.toolbar {
  padding: 22px 32px; background: #fff;
  border-bottom: 1px solid #e5e7eb;
}
.toolbar-title { font-size: 26px; font-weight: 700; letter-spacing: 3px; color: #1f2937; }
.content-inner { flex: 1; padding: 32px; max-width: 1100px; width: 100%; }
.home-hero { display: grid; grid-template-columns: minmax(0, .8fr) minmax(420px, 1.2fr); gap: 42px; align-items: center; margin: -32px -32px 0; padding: 62px 52px 58px; background: #101820; color: #f8fafc; }
.home-hero-copy { min-width: 0; }.home-hero-copy .section-kicker { color: #22c7b9; }.home-hero h1 { max-width: 500px; margin: 14px 0 16px; color: #fff; font-size: 48px; line-height: 1.15; }.home-hero-copy > p:not(.section-kicker) { max-width: 520px; color: #b8c5d1; font-size: 17px; line-height: 1.8; }.home-hero-cta { display: inline-flex; align-items: center; gap: 22px; margin-top: 26px; padding: 12px 16px; color: #062522; background: #22c7b9; font-weight: 800; border-radius: 6px; }.home-hero-cta:hover { text-decoration: none; background: #51d8cb; }.home-hero-cta span { font-size: 20px; line-height: 1; }.home-hero-stats { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 34px; color: #8b9aa8; font-size: 12px; }.home-hero-stats b { margin-right: 5px; color: #f4b740; font: 11px monospace; }
.home-hero-visual { min-width: 0; overflow: hidden; border: 1px solid #405160; border-radius: 8px; background: #17212b; box-shadow: 0 18px 50px rgba(0,0,0,.35); }.home-visual-header { display: flex; align-items: center; gap: 11px; padding: 13px 16px; color: #91a4b4; border-bottom: 1px solid #30414f; font: 11px monospace; }.home-visual-header strong { color: #e6edf3; font-weight: 600; }.home-visual-header em { margin-left: auto; color: #22c7b9; font-style: normal; font-size: 10px; }.home-visual-grid { display: grid; grid-template-columns: 132px 1fr; min-height: 310px; }.home-visual-grid aside { display: flex; flex-direction: column; gap: 12px; padding: 20px 14px; color: #8293a3; border-right: 1px solid #30414f; font: 10px monospace; }.home-visual-grid aside small { margin-top: 4px; color: #f4b740; font-size: 9px; }.home-visual-grid aside b { padding: 5px 6px; font-weight: 400; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.home-visual-grid aside .selected { color: #22c7b9; background: #233740; border-left: 2px solid #22c7b9; }.home-visual-main { padding: 24px 22px; }.visual-chip { color: #22c7b9; font: 10px monospace; }.visual-chip i { display: inline-block; width: 6px; height: 6px; margin-left: 5px; border-radius: 50%; background: #22c7b9; }.home-visual-main h2 { margin: 14px 0 22px; color: #f8fafc; font-size: 22px; font-weight: 600; }.visual-track { display: flex; gap: 6px; }.visual-track span { flex: 1; height: 4px; background: #30414f; }.visual-track .done { background: #22c7b9; }.visual-lines { display: flex; flex-direction: column; gap: 12px; margin: 28px 0; }.visual-lines i { display: block; height: 6px; background: #30414f; }.visual-lines i:nth-child(1) { width: 92%; background: #536675; }.visual-lines i:nth-child(2) { width: 76%; }.visual-lines i:nth-child(3) { width: 84%; background: #435560; }.visual-lines i:nth-child(4) { width: 62%; }.visual-lines i:nth-child(5) { width: 70%; }.visual-result { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 14px; padding-top: 13px; border-top: 1px solid #30414f; font: 10px monospace; }.visual-result b { color: #f4b740; }.visual-result span { color: #22c7b9; text-align: right; }.visual-result strong { grid-column: 1 / -1; color: #8293a3; font-weight: 400; }
.home-intro-band { display: flex; align-items: center; gap: 20px; margin: 0 -32px 30px; padding: 17px 52px; color: #e8edf0; background: #23313c; }.home-intro-band > span { color: #f4b740; font: 12px monospace; font-weight: 700; white-space: nowrap; }.home-intro-band p { flex: 1; color: #b8c5d1; font-size: 14px; }.home-intro-band a { color: #22c7b9; font-size: 13px; white-space: nowrap; }.home-intro-band a:hover { color: #fff; }
@media (max-width: 980px) { .home-hero { grid-template-columns: 1fr; }.home-hero-visual { max-width: 680px; width: 100%; }.home-intro-band { flex-wrap: wrap; } }
@media (max-width: 700px) { .home-hero { margin: -20px -20px 0; padding: 44px 22px 38px; }.home-hero h1 { font-size: 38px; }.home-hero-copy > p:not(.section-kicker) { font-size: 16px; }.home-visual-grid { grid-template-columns: 96px 1fr; }.home-visual-grid aside { padding: 16px 9px; }.home-visual-main { padding: 18px 14px; }.home-visual-main h2 { font-size: 18px; }.home-intro-band { margin: 0 -20px 24px; padding: 16px 22px; gap: 9px 15px; }.home-intro-band p { flex-basis: 100%; order: 3; }.cards { grid-template-columns: 1fr; } }
.page-header h1 { font-size: 26px; margin-bottom: 20px; }
.product-hero { display:flex; justify-content:space-between; gap:32px; align-items:center; background:#fff; border:1px solid #e5e7eb; border-radius:8px; padding:32px; }
.eyebrow { color:#2563eb; font-size:13px; font-weight:700; letter-spacing:2px; }
.product-hero h1 { font-size:42px; margin:4px 0 10px; color:#111827; }
.lead { max-width:680px; color:#4b5563; font-size:17px; }
.product-actions { display:flex; gap:10px; margin-top:22px; flex-wrap:wrap; }
.primary-btn, .secondary-btn { display:inline-block; padding:9px 16px; border-radius:6px; }
.primary-btn { background:#2563eb; color:#fff; }
.secondary-btn { border:1px solid #cbd5e1; color:#1f2937; }
.version-box { min-width:150px; padding:20px; background:#eff6ff; border:1px solid #bfdbfe; border-radius:8px; text-align:center; }
.version-box span { display:block; color:#4b5563; font-size:13px; }
.version-box strong { display:block; color:#1d4ed8; font-size:28px; margin-top:4px; }
.product-section { margin-top:22px; background:#fff; border:1px solid #e5e7eb; border-radius:8px; padding:24px; }
.product-section h2 { margin-bottom:8px; }
.product-section p { color:#4b5563; margin-bottom:18px; }
.release-notes { white-space:pre-wrap; color:#374151; }
@media (max-width: 700px) { .product-hero { flex-direction:column; align-items:flex-start; } .product-hero h1 { font-size:34px; } }

/* ---- mozicode product page ---- */
.mozicode-page { max-width: 1180px; margin: -32px; padding: 0 0 48px; background: #f7f8fa; }
.mozicode-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .95fr); gap: 42px; align-items: center; min-height: 560px; padding: 68px 52px 62px; background: #101820; color: #f8fafc; border-bottom: 1px solid #263544; }
.mozicode-hero-copy { min-width: 0; }
.mozicode-hero .eyebrow, .section-kicker { color: #22c7b9; font-size: 12px; font-weight: 800; letter-spacing: 2px; }
.mozicode-hero h1 { margin: 12px 0 4px; color: #fff; font-size: 64px; line-height: 1.05; letter-spacing: 0; }
.mozicode-tagline { color: #f4b740; font-size: 24px; font-weight: 700; }
.mozicode-lead { max-width: 600px; margin-top: 20px; color: #b8c5d1; font-size: 18px; line-height: 1.8; }
.mozicode-hero .primary-btn { background: #22c7b9; color: #062522; font-weight: 800; }
.mozicode-hero .secondary-btn { border-color: #526271; color: #e2e8f0; }
.mozicode-proof { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 36px; color: #8291a0; font-size: 12px; }
.mozicode-proof strong { display: block; color: #f8fafc; font-size: 14px; }
.workspace-preview { min-width: 0; overflow: hidden; border: 1px solid #405160; border-radius: 8px; background: #17212b; box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.preview-topbar { display: flex; align-items: center; gap: 12px; padding: 12px 15px; color: #8fa2b2; border-bottom: 1px solid #30414f; font: 11px monospace; }
.preview-topbar b { margin-left: auto; color: #22c7b9; font-weight: 500; }
.window-dots { display: flex; gap: 5px; }.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #f4b740; }.window-dots i:first-child { background: #ef826f; }.window-dots i:last-child { background: #22c7b9; }
.preview-tabs { display: flex; gap: 2px; overflow: hidden; padding: 8px 10px 0; background: #131c24; }.preview-tabs span { padding: 8px 11px; color: #718293; font: 11px monospace; white-space: nowrap; }.preview-tabs .active { color: #f8fafc; border-bottom: 2px solid #22c7b9; }
.preview-body { display: grid; grid-template-columns: 132px 1fr; min-height: 320px; }.preview-sidebar { display: flex; flex-direction: column; gap: 10px; padding: 20px 14px; color: #8293a3; border-right: 1px solid #30414f; font: 11px monospace; }.preview-sidebar small { color: #f4b740; font-size: 9px; }.preview-sidebar strong { color: #e6edf3; font-size: 12px; }.preview-sidebar .selected { padding: 5px; color: #22c7b9; background: #233740; border-left: 2px solid #22c7b9; }
.preview-main { padding: 20px; }.preview-status { display: flex; justify-content: space-between; gap: 12px; color: #dbe7ef; font-size: 12px; }.preview-status em { color: #f4b740; font-style: normal; font-size: 10px; }.code-lines { display: flex; flex-direction: column; gap: 13px; margin-top: 32px; color: #b9cad6; font: 12px/1.5 monospace; }.code-lines b { display: inline-block; width: 20px; color: #536675; font-weight: 400; }.code-lines i { color: #ef826f; font-style: normal; }.code-lines mark { padding: 2px 5px; color: #22c7b9; background: #173d3b; }.preview-console { display: flex; justify-content: space-between; gap: 12px; margin-top: 38px; padding-top: 12px; border-top: 1px solid #30414f; color: #7f93a3; font: 10px monospace; }.preview-console b { color: #f4b740; }
.mozicode-intro { padding: 72px 52px 44px; background: #f7f8fa; }.mozicode-intro h2, .mozicode-flow h2, .mozicode-release h2 { max-width: 720px; margin: 10px 0 13px; color: #111827; font-size: 34px; line-height: 1.25; }.mozicode-intro p:last-child, .mozicode-release p { max-width: 700px; color: #5b6875; font-size: 16px; }
.mozicode-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 0 52px 72px; background: #f7f8fa; }.feature-card { min-height: 260px; padding: 24px 20px; border-top: 4px solid #22c7b9; background: #fff; }.feature-amber { border-color: #f4b740; }.feature-coral { border-color: #ef826f; }.feature-ink { border-color: #475569; }.feature-index { color: #8a98a6; font: 11px monospace; }.feature-card h3 { margin: 30px 0 10px; color: #111827; font-size: 20px; }.feature-card p { min-height: 96px; color: #637080; font-size: 14px; }.feature-card strong { color: #111827; font-size: 12px; }
.mozicode-flow { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; padding: 68px 52px; background: #e8edf0; }.mozicode-flow ol { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; list-style: none; }.mozicode-flow li { display: grid; grid-template-columns: 32px 1fr; gap: 4px 10px; padding: 17px; background: #fff; border-left: 3px solid #22c7b9; }.mozicode-flow li:nth-child(2) { border-color: #f4b740; }.mozicode-flow li:nth-child(3) { border-color: #ef826f; }.mozicode-flow li:nth-child(4) { border-color: #475569; }.mozicode-flow li b { grid-row: span 2; color: #687887; font: 11px monospace; }.mozicode-flow li span { color: #111827; font-weight: 700; }.mozicode-flow li small { color: #6b7785; font-size: 12px; line-height: 1.5; }
.mozicode-release { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; padding: 72px 52px; background: #fff; }.release-card { padding: 23px; border: 1px solid #d8dee5; border-radius: 8px; background: #f7f8fa; }.release-card > span { color: #667585; font-size: 12px; }.release-card > strong { display: block; margin: 5px 0 16px; color: #111827; font-size: 30px; }.release-card .primary-btn { display: inline-block; background: #111827; color: #fff; }.release-card .release-notes { margin-top: 22px; padding-top: 16px; border-top: 1px solid #d8dee5; font-size: 13px; }
@media (max-width: 980px) { .mozicode-hero { grid-template-columns: 1fr; }.workspace-preview { max-width: 680px; width: 100%; }.mozicode-features { grid-template-columns: repeat(2, 1fr); }.mozicode-flow, .mozicode-release { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .mozicode-page { margin: -20px; }.mozicode-hero, .mozicode-intro, .mozicode-features, .mozicode-flow, .mozicode-release { padding-left: 22px; padding-right: 22px; }.mozicode-hero { padding-top: 44px; }.mozicode-hero h1 { font-size: 48px; }.mozicode-tagline { font-size: 20px; }.mozicode-lead { font-size: 16px; }.preview-body { grid-template-columns: 96px 1fr; }.preview-sidebar { padding: 16px 9px; }.preview-main { padding: 16px 12px; }.preview-tabs span { padding-left: 7px; padding-right: 7px; }.mozicode-features { grid-template-columns: 1fr; }.mozicode-flow ol { grid-template-columns: 1fr; }.mozicode-intro h2, .mozicode-flow h2, .mozicode-release h2 { font-size: 28px; } }

/* ---- cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.card {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 8px;
  padding: 18px; box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.card-title { font-size: 17px; margin-bottom: 10px; }
.card-items { list-style: none; }
.card-items li { padding: 5px 0; border-bottom: 1px dashed #f1f5f9; }
.card-items li:last-child { border-bottom: none; }
.desc { color: #6b7280; font-size: 13px; display: block; }

.item-list { list-style: none; }
.item-list li { padding: 12px 0; border-bottom: 1px solid #e5e7eb; }
.item-list li:last-child { border-bottom: none; }

/* ---- article ---- */
.article { background: #fff; padding: 24px; border-radius: 8px; border: 1px solid #e5e7eb; }
.article h1, .article h2, .article h3 { margin: 12px 0 8px; }
.article p { margin: 8px 0; }
.article pre { background: #f3f4f6; padding: 12px; border-radius: 6px; overflow-x: auto; }
.article code { background: #f3f4f6; padding: 2px 5px; border-radius: 4px; }
.article pre code { background: none; padding: 0; }

/* ---- login ---- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #1e293b; }
.login-box {
  background: #fff; padding: 36px; border-radius: 10px; width: 320px;
  display: flex; flex-direction: column; gap: 14px;
}
.login-box h1 { font-size: 20px; text-align: center; margin-bottom: 6px; }
.login-box input { padding: 10px; border: 1px solid #d1d5db; border-radius: 6px; }
.login-box button {
  padding: 10px; background: #2563eb; color: #fff; border: none;
  border-radius: 6px; cursor: pointer; font-size: 15px;
}
.error { color: #dc2626; font-size: 13px; text-align: center; }
.ok { color: #16a34a; }

/* ---- admin ---- */
.admin-top {
  display: flex; align-items: center; gap: 18px;
  background: #1e293b; color: #e2e8f0; padding: 10px 20px;
}
.admin-brand { font-weight: 700; color: #fff; }
.admin-nav { display: flex; gap: 14px; flex: 1; }
.admin-nav a { color: #cbd5e1; }
.admin-nav a:hover { color: #fff; }
.admin-body { padding: 24px; max-width: 1000px; }
.admin-body h2 { margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; background: #fff; margin-bottom: 24px; }
th, td { padding: 9px 10px; border: 1px solid #e5e7eb; text-align: left; font-size: 14px; }
th { background: #f8fafc; }
.mono { font-family: monospace; font-size: 12px; word-break: break-all; }

.form {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 8px;
  padding: 18px; display: flex; flex-direction: column; gap: 12px; max-width: 560px;
}
.form h3 { font-size: 16px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.form input, .form select, .form textarea {
  padding: 8px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px;
}
.form button {
  padding: 9px 16px; background: #2563eb; color: #fff; border: none;
  border-radius: 6px; cursor: pointer; align-self: flex-start;
}
.inline { display: inline; }
.link-btn { background: none; border: none; color: #dc2626; cursor: pointer; font-size: 14px; padding: 0; }
.link-btn:hover { text-decoration: underline; }
.hint { color: #6b7280; font-size: 13px; margin-top: 12px; }
.hint code { background: #f3f4f6; padding: 2px 5px; border-radius: 4px; }

.stat-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: #fff; border: 1px solid #e5e7eb; border-radius: 8px;
  padding: 22px; text-align: center;
}
.stat-card:hover { border-color: #2563eb; text-decoration: none; }
.stat-num { font-size: 30px; font-weight: 700; color: #2563eb; }

/* ---- rich text editor ---- */
.form .field { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.rte { border: 1px solid #d1d5db; border-radius: 6px; overflow: hidden; }
.rte-toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; background: #f8fafc; border-bottom: 1px solid #e5e7eb; }
.rte-toolbar button { padding: 4px 10px; border: 1px solid #d1d5db; background: #fff; color: #1f2937; border-radius: 4px; cursor: pointer; font-size: 13px; }
.rte-toolbar button:hover { background: #eff6ff; }
.rte-body { min-height: 220px; padding: 10px 12px; font-size: 14px; outline: none; }
.rte-body:focus { box-shadow: inset 0 0 0 1px #2563eb; }
.rte-body h2, .rte-body h3 { margin: 10px 0 6px; }
.rte-body p { margin: 6px 0; }
.rte-body ul, .rte-body ol { padding-left: 24px; margin: 6px 0; }
.rte-body a { color: #2563eb; }