:root {
  --bg: #f4f6fb;
  --bg-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #0f766e 100%);
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #0d9488;
  --primary-hover: #0f766e;
  --accent: #fe2c55;
  --accent-soft: #fff1f2;
  --ok: #166534;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --radius: 14px;
  --radius-lg: 20px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--primary-hover); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--bg-hero);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.35);
}

.topbar nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
}

.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 7px 11px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.topbar nav a:hover {
  color: var(--primary);
  background: #f0fdfa;
}

.topbar nav a.nav-cta {
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
}

.topbar nav a.nav-cta:hover {
  background: var(--primary-hover);
}

.topbar-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
}

.user-pill {
  font-size: 12px;
  color: var(--text);
  background: #f0fdfa;
  border: 1px solid #ccfbf1;
  padding: 5px 10px;
  border-radius: 999px;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.login-page {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  padding: 32px;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
}

.login-form {
  margin-top: 20px;
}

.login-actions {
  margin-top: 8px;
}

.login-actions .btn {
  width: 100%;
}

.auth-quick-box {
  margin-bottom: 8px;
}

.auth-quick-box h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.auth-link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.auth-link-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  min-width: 108px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.auth-link-chip:hover {
  border-color: var(--primary);
  background: #f0fdfa;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.auth-link-chip.is-ok {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.auth-link-key {
  font-weight: 700;
  font-size: 13px;
  font-family: ui-monospace, Consolas, monospace;
}

.auth-link-meta {
  font-size: 11px;
  color: var(--muted);
}

.auth-quick-tip {
  margin: 8px 0 0;
  font-size: 12px;
}

.card-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0 16px;
}

.alert-error {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
}

.main {
  flex: 1;
  padding: 32px 0 56px;
}

/* ── Hero ── */
.site-hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-hero);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  margin-bottom: 28px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.site-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(254, 44, 85, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.site-hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 244, 238, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.site-hero > * { position: relative; z-index: 1; }

.site-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.site-hero .lead {
  color: rgba(255, 255, 255, 0.82);
  max-width: 680px;
  font-size: 1.05rem;
  margin: 0;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}

.hero, .page-header { margin-bottom: 24px; }

.page-header {
  padding: 28px 0 8px;
}

.page-header h1 {
  font-size: 1.85rem;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.hero h1 { font-size: 1.85rem; margin: 0 0 8px; }

.lead {
  color: var(--muted);
  max-width: 640px;
  font-size: 1rem;
  margin: 0;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-hero .btn {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  backdrop-filter: blur(4px);
}

.site-hero .btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.4);
}

.site-hero .btn.primary {
  background: #fff;
  color: #0f172a;
  border-color: #fff;
  font-weight: 600;
}

.site-hero .btn.primary:hover {
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* ── Stats ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  border-color: #cbd5e1;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
}

.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover { box-shadow: var(--shadow); }

.card h2 {
  font-size: 1.08rem;
  margin: 0 0 14px;
  color: var(--text);
}

.feature-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.feature-icon.shop { background: #eff6ff; }
.feature-icon.video { background: #fdf2f8; }
.feature-icon.shield { background: #f0fdf4; }

.feature-card p { margin: 0 0 14px; flex: 1; }

.feature-link {
  font-weight: 600;
  font-size: 14px;
}

.grid.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* ── Footer ── */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 40px 24px 32px;
  margin-top: auto;
  font-size: 13px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.footer-brand {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 10px;
}

.footer-desc {
  color: #94a3b8;
  line-height: 1.7;
  max-width: 360px;
}

.footer h4 {
  color: #e2e8f0;
  font-size: 13px;
  margin: 0 0 12px;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin: 8px 0; }

.footer a {
  color: #94a3b8;
  text-decoration: none;
}

.footer a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Badges & alerts ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }

.alert { border-color: #fecaca; background: #fef2f2; }
.card.ok { border-color: #86efac; background: linear-gradient(180deg, #f0fdf4 0%, #fff 100%); }

.muted { color: var(--muted); font-size: 13px; }

/* ── Tables & lists ── */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.table tbody tr:hover { background: #f8fafc; }

.kv { list-style: none; padding: 0; margin: 0; }
.kv li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  align-items: baseline;
}
.kv li:last-child { border-bottom: none; }
.kv li span:first-child { color: var(--muted); font-size: 13px; flex-shrink: 0; }
.kv code.small { font-size: 11px; max-width: 60%; word-break: break-all; }

.contact-kv li { flex-direction: column; align-items: flex-start; gap: 4px; }

/* ── Forms ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: #fafbfc;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
  background: #fff;
}

.form-grid .span2 { grid-column: span 2; }
.form-grid .check { flex-direction: row; align-items: center; gap: 8px; }

textarea { resize: vertical; min-height: 100px; }

.upload-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.upload-actions .btn { flex: 1; min-width: 140px; }

/* ── Prose ── */
.prose h2 {
  font-size: 1.05rem;
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  color: var(--text);
}

.prose h2:first-child { margin-top: 0; }

.prose p, .prose li { color: #334155; }

.prose ul { padding-left: 1.25rem; }

.prose ul li { margin: 6px 0; }

/* ── Misc ── */
code, pre {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
}

code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 5px;
}

code.block, .code-block {
  display: block;
  background: #f1f5f9;
  padding: 12px 14px;
  border-radius: 10px;
  word-break: break-all;
}

pre.log-box {
  background: #0f172a;
  color: #e2e8f0;
  padding: 14px;
  border-radius: 10px;
  max-height: 320px;
  overflow: auto;
  font-size: 12px;
  white-space: pre-wrap;
}

.row-between { display: flex; align-items: center; justify-content: space-between; }

.env-banner.warn-bg { border-color: #fde68a; background: var(--warn-bg); }

ol.steps { margin: 0; padding-left: 1.25rem; }
ol.steps li { margin: 10px 0; color: #334155; }

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .grid.three { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .topbar nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 16px;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--shadow);
  }

  .topbar nav.open { display: flex; }

  .topbar nav a {
    padding: 10px 12px;
    margin: 0;
  }

  .topbar-inner { position: relative; }

  .site-hero { padding: 32px 24px; }

  .grid.two { grid-template-columns: 1fr; }

  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: span 1; }
}