/* 暖白杂志风 — Warm Editorial */

:root {
  /* 背景：温暖米白 */
  --bg-page: #faf8f3;
  --bg-soft: #f3efe4;
  --bg-mute: #f6f2e8;
  --bg-card: #ffffff;
  --bg-tint: #fcfaf5;

  /* 边框：极淡米色 */
  --border: #ebe4d4;
  --border-soft: #f0ead9;
  --border-strong: #d8cfb8;

  /* 文本：暖黑 */
  --text: #1a1814;
  --text-secondary: #4a4636;
  --text-muted: #8a8270;
  --text-faint: #b8b0a0;

  /* 主色：森林墨绿 */
  --primary: #1f5f3f;
  --primary-hover: #164829;
  --primary-soft: #e8f0e8;
  --primary-faint: #f4f7f2;

  /* 强调色：珊瑚橙 */
  --accent: #d9663f;
  --accent-soft: #fce8df;
  --accent-deep: #b04a28;

  /* 辅助色：莫兰迪暖色系 */
  --gold: #c8902c;
  --gold-soft: #f7eecf;
  --terra: #b87355;
  --terra-soft: #f3e0d4;
  --sage: #7a8a5c;
  --sage-soft: #e8ead4;
  --plum: #8b5a6b;
  --plum-soft: #f0dde2;

  /* 状态色：可接入(蓝) / 暂停接入(琥珀) —— 冷暖对比，避免使用绿色 */
  --info: #1e5fb0;
  --info-soft: #e2ecfa;
  --info-deep: #144080;
  --warn: #c8902c;
  --warn-soft: #f7eecf;
  --warn-deep: #8a6212;

  /* 圆角：杂志风偏大 */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* 阴影：温暖、柔和、长投影 */
  --shadow-xs: 0 1px 2px rgba(60, 50, 30, .04);
  --shadow-sm: 0 2px 8px rgba(60, 50, 30, .05), 0 1px 2px rgba(60, 50, 30, .03);
  --shadow: 0 6px 24px rgba(60, 50, 30, .07), 0 2px 6px rgba(60, 50, 30, .04);
  --shadow-lg: 0 18px 48px rgba(60, 50, 30, .10), 0 4px 12px rgba(60, 50, 30, .05);
  --shadow-warm: 0 12px 32px rgba(217, 102, 63, .18);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "PingFang SC", "Songti SC", "Source Han Serif SC", "Noto Serif SC", "SimSun", "Microsoft YaHei", serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============ Header ============ */
.top-header {
  position: sticky;
  top: 0;
  z-index: 300;
  background: rgba(250, 248, 243, .85);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.top-header.scrolled {
  background: rgba(255, 253, 248, .92);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  gap: 28px;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.header-logo {
  display: block;
  filter: sepia(.3) saturate(1.2) hue-rotate(50deg);
}
.header-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .2px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13.5px;
  cursor: pointer;
  transition: all .25s;
  font-family: inherit;
  font-weight: 500;
}
.nav-item:hover {
  background: var(--bg-soft);
  color: var(--text);
}
.nav-item.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-login {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13.5px;
  cursor: pointer;
  transition: all .25s;
  font-family: inherit;
}
.header-login:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-faint);
}
.header-cta {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: all .25s;
  font-family: inherit;
  box-shadow: 0 3px 10px rgba(217, 102, 63, .3);
}
.header-cta:hover {
  background: var(--accent-deep);
  box-shadow: var(--shadow-warm);
  transform: translateY(-1px);
}

/* ============ Main ============ */
.main-content {
  padding: 0 0 80px;
}

/* ============ Hero ============ */
.hero-zone {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 32px;
  position: relative;
}
.hero-headline { margin-bottom: 14px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sage);
  background: var(--sage-soft);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 28px;
  border: 1px solid rgba(122, 138, 92, .2);
  letter-spacing: .3px;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage);
  display: inline-block;
}
.status-dot.live { animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse {
  0%, to { box-shadow: 0 0 0 0 rgba(122, 138, 92, .5); }
  50% { box-shadow: 0 0 0 8px rgba(122, 138, 92, 0); }
}
.hero-headline h1 {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: var(--text);
}
.hero-headline p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 620px;
}
.hero-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}
.hero-updated {
  font-size: 12.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.hero-updated strong {
  color: var(--accent);
  font-weight: 600;
}

/* ============ Bento Grid ============ */
.bento-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  transition: all .35s cubic-bezier(.4, 0, .2, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.bento-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
  background: var(--border-strong);
}
.bento-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.bento-card--wide { grid-row: span 1; }
.bento-card--primary::before { background: var(--primary); }
.bento-card--accent::before  { background: var(--accent); }
.bento-card--cool::before    { background: var(--gold); }
.bento-card--green::before   { background: var(--sage); }

.bento-card-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--primary);
  background: var(--primary-soft);
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  margin-bottom: 16px;
}
.bento-card-body {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.bento-card-icon-wrap {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}
.bento-card--primary .bento-card-icon-wrap { background: var(--primary-soft); color: var(--primary); }
.bento-card--accent  .bento-card-icon-wrap { background: var(--accent-soft); color: var(--accent); }
.bento-card--cool    .bento-card-icon-wrap { background: var(--gold-soft); color: var(--gold); }
.bento-card--green   .bento-card-icon-wrap { background: var(--sage-soft); color: var(--sage); }

.bento-card-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-bottom: 6px;
  letter-spacing: .3px;
}
.bento-card-value {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-bottom: 8px;
}
.bento-card-value .counter {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums;
}
.bento-card--primary .counter { color: var(--primary); }
.bento-card--accent  .counter { color: var(--accent); }
.bento-card--cool    .counter { color: var(--gold); }
.bento-card--green   .counter { color: var(--sage); }
.bento-card-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}
.bento-card-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  display: block;
}
.bento-card-sub.up     { color: var(--sage); font-weight: 600; }
.bento-card-sub.down   { color: var(--gold); font-weight: 600; }
.bento-card-sub.stable { color: var(--terra); font-weight: 600; }

.bento-card-meter {
  margin-top: 18px;
  height: 6px;
  background: var(--bg-soft);
  border-radius: 3px;
  overflow: hidden;
}
.bento-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #4a7a5a);
  border-radius: 3px;
  transition: width 1.6s cubic-bezier(.22, .61, .36, 1);
}

/* ============ Info Strip (Enhanced) ============ */
.info-strip {
  display: flex;
  align-items: stretch;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-tint) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 16px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.info-strip::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--gold), var(--sage));
}
.info-strip-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 4px 28px;
  transition: transform .3s;
}
.info-strip-item:hover {
  transform: translateY(-2px);
}
.info-strip-badge {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .35s cubic-bezier(.4, 0, .2, 1);
}
.info-strip-item:hover .info-strip-badge {
  transform: scale(1.1) rotate(-4deg);
}
.info-strip-badge--accent {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: 0 4px 14px rgba(217, 102, 63, .22);
}
.info-strip-badge--sage {
  background: var(--sage-soft);
  color: var(--sage);
  box-shadow: 0 4px 14px rgba(122, 138, 92, .22);
}
.info-strip-badge--gold {
  background: var(--gold-soft);
  color: var(--gold);
  box-shadow: 0 4px 14px rgba(200, 144, 44, .22);
}
.info-strip-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.info-strip-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: .3px;
}
.info-strip-value {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.5px;
  line-height: 1.1;
}
.info-strip-value span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-sans);
}
.info-strip-divider {
  width: 1px;
  background: var(--border-soft);
  flex-shrink: 0;
  align-self: stretch;
  margin: 4px 0;
}

/* ============ Notice ============ */
.hero-notice {
  padding: 14px 18px;
  background: var(--gold-soft);
  border: 1px solid rgba(200, 144, 44, .25);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: #6b4a10;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 22px;
  line-height: 1.65;
}
.hero-notice-icon { flex-shrink: 0; font-weight: 700; }

.primary-button {
  padding: 14px 36px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: none;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: all .3s;
  font-family: inherit;
  letter-spacing: .3px;
  box-shadow: 0 4px 16px rgba(31, 95, 63, .25);
}
.primary-button:hover {
  background: var(--primary-hover);
  box-shadow: 0 8px 24px rgba(31, 95, 63, .35);
  transform: translateY(-2px);
}

/* ============ Section Zones ============ */
.section-zone {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 32px;
}
.section-zone--alt {
  max-width: none;
  margin: 0;
  padding: 64px 0;
  background: transparent;
}
.section-zone--light {
  max-width: none;
  margin: 0;
  padding: 32px 0;
  background: var(--bg-tint);
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.zone-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 44px;
  position: relative;
}
.zone-header-left {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  position: relative;
  padding-left: 20px;
}
.zone-header-left::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 4px;
  border-radius: 2px;
  background: var(--accent);
}
.zone-num {
  font-family: var(--font-serif);
  font-size: 60px;
  font-weight: 900;
  line-height: .85;
  color: var(--border-strong);
  flex-shrink: 0;
  letter-spacing: -2.5px;
}
.zone-header h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.8px;
  margin-bottom: 6px;
  color: var(--text);
}
.zone-header p {
  font-size: 13.5px;
  color: var(--text-muted);
  letter-spacing: .2px;
}

/* ============ Requirements ============ */
.requirement-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.req-card {
  padding: 28px 24px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all .35s cubic-bezier(.4, 0, .2, 1);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.req-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.req-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.req-card-accent { display: none; }
.req-card-accent--teal   { display: none; }
.req-card-accent--blue   { display: none; }
.req-card-accent--purple  { display: none; }
.req-card--c1::before { background: var(--accent); }
.req-card--c2::before { background: var(--sage); }
.req-card--c3::before { background: var(--gold); }
.req-card--c4::before { background: var(--plum); }

.req-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 900;
  color: var(--bg-soft);
  line-height: 1;
  display: block;
  margin-bottom: 14px;
  letter-spacing: -1.5px;
}
.req-card h3 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.req-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.req-tags span {
  font-size: 10.5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-soft);
  color: var(--text-secondary);
  border: 1px solid var(--border-soft);
  font-weight: 500;
}
.req-big {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}
.req-big strong {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: var(--sage);
  letter-spacing: -.5px;
}
.req-big span {
  font-size: 12px;
  color: var(--text-muted);
}
.req-card p {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.req-warn {
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(217, 102, 63, .2);
  border-radius: var(--radius-xs);
  font-size: 11px;
  color: var(--accent-deep);
  font-weight: 600;
}

/* ============ Process ============ */
.process-flow {
  display: flex;
  align-items: stretch;
}
.flow-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}
.flow-step-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.flow-step-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--text-muted);
}
.flow-circle {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .35s;
  border: 2px solid var(--accent);
  box-shadow: 0 4px 14px rgba(217, 102, 63, .15);
}
.flow-circle--teal {
  background: var(--sage-soft);
  color: var(--sage);
  border-color: var(--sage);
  box-shadow: 0 4px 14px rgba(122, 138, 92, .15);
}
.flow-circle--blue {
  background: var(--gold-soft);
  color: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 4px 14px rgba(200, 144, 44, .15);
}
.flow-step:hover .flow-circle {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
}
.flow-step h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.flow-step p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 240px;
  margin: 0 auto;
}
.flow-connector {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding-top: 66px;
}
.flow-connector-line {
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--sage));
  border-radius: 1px;
}
.flow-connector-arrow {
  font-size: 18px;
  color: var(--sage);
  margin-left: 6px;
  font-weight: 600;
}

.outline-button {
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 600;
  border: 1.5px solid var(--primary);
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  transition: all .3s;
  font-family: inherit;
}
.outline-button:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(31, 95, 63, .25);
  transform: translateY(-1px);
}

/* ============ Province Grid ============ */
.section-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .25s;
  color: var(--text-muted);
  box-shadow: var(--shadow-xs);
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-faint);
}
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 13px;
  width: 150px;
  font-family: inherit;
}
.search-box input::placeholder { color: var(--text-muted); }
.refresh-button {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .25s;
  font-family: inherit;
  box-shadow: var(--shadow-xs);
}
.refresh-button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ============ Region Overview ============ */
.region-overview {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 18px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
}
.region-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.region-stat-num {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: #16a34a;
  line-height: 1;
  letter-spacing: -.5px;
}
.region-stat-num.muted { color: #6b7280; }
#total-count { color: var(--text); }
.region-stat-label {
  font-size: 11.5px;
  color: var(--text-muted);
  letter-spacing: .3px;
}
.region-legend {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #9aa1ac;
  display: inline-block;
}
.legend-dot.open {
  background: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, .18);
}
.legend-dot.paused {
  background: #9aa1ac;
  box-shadow: 0 0 0 3px rgba(154, 161, 172, .22);
}

/* ============ Region Grid ============ */
.region-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.region-empty {
  grid-column: 1 / -1;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.region-group {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: box-shadow .3s;
}
.region-group:hover { box-shadow: var(--shadow-sm); }
.region-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-tint);
  border-bottom: 1px solid var(--border-soft);
}
.region-group-head h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .2px;
}
.region-group-count {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.region-list {
  list-style: none;
  overflow-y: auto;
  height: 240px;
  &::-webkit-scrollbar {
    width: 0 !important;
  }
}
.region-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-soft);
  border-left: 3px dashed #c3c8d0;
  background: #f4f5f7;
  transition: background .2s;
}
.region-item:last-child { border-bottom: none; }
.region-item:hover { background: #e9ebef; }
.region-item.open {
  background: #e7f6ec;
  border-left: 3px solid #16a34a;
}
.region-item.open:hover { background: #d3efdc; }
.region-item.has-children {
  cursor: pointer;
}
.region-item-name {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.region-item.open .region-item-name { color: #15803d; }
.region-item-tags {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 8px;
  white-space: nowrap;
  min-width: 0;
}
.tag-op {
  flex-shrink: 0;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: #f2f3f5;
  color: #8a8f99;
  font-weight: 500;
  border: 1px solid #d5d8de;
}
.tag-op.open {
  background: #16a34a;
  color: #fff;
  border: 1px solid #16a34a;
  font-weight: 600;
}
.region-toggle {
  font-size: 12px;
  color: var(--text-muted);
  width: 16px;
  text-align: center;
  transition: color .2s;
}
.region-item.has-children:hover .region-toggle { color: #16a34a; }

/* 子层级列表（省→市→区） */
.region-sublist {
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 32px;
  background: var(--bg-tint);
  border-top: 1px dashed var(--border-soft);
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.region-item.expanded > .region-sublist {
  max-height: 1000px;
  padding: 8px 0 8px 32px;
}
.region-sublist .region-item {
  padding: 8px 18px;
  background: transparent;
  border-bottom: 1px solid var(--border-soft);
}
.region-sublist .region-item:last-child { border-bottom: none; }
.region-sublist .region-item-name { font-size: 13px; }
.region-sublist .region-item-name::before {
  content: "└ ";
  color: var(--text-faint);
  font-weight: 400;
}

/* ============ Footer ============ */
.public-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 28px;
  border-top: 1px solid var(--border-soft);
  text-align: center;
}
.copyright-footer__main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.copyright-footer__main a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .2s;
}
.copyright-footer__main a:hover { color: var(--primary); }
.copyright-footer__records {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 11px;
  color: var(--text-muted);
}
.copyright-footer__records a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.copyright-footer__records a:hover { color: var(--primary); }

/* ============ Back to Top ============ */
.back-top-button {
  position: fixed;
  bottom: 36px;
  right: 36px;
  z-index: 200;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: all .3s;
}
.back-top-button:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .bento-grid { grid-template-columns: 1fr 1fr; }
  .bento-card--wide { grid-column: span 2; }
  .requirement-row { grid-template-columns: repeat(2, 1fr); }
  .process-flow { flex-wrap: wrap; }
  .flow-connector { display: none; }
  .flow-step { flex: 0 0 100%; margin-bottom: 20px; }
  .region-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .header-inner { padding: 0 16px; gap: 12px; }
  .header-title { display: none; }
  .nav-item { padding: 6px 12px; font-size: 12px; }
  .hero-zone { padding: 44px 16px 36px; }
  .hero-headline h1 { font-size: 32px; }
  .section-zone { padding: 48px 16px; }
  .section-zone--alt, .section-zone--light { padding: 48px 0; }
  .section-inner { padding: 0 16px; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card--wide { grid-column: span 1; }
  .info-strip { flex-direction: column; gap: 12px; padding: 20px 16px; }
  .info-strip-item { padding: 8px 12px; }
  .info-strip-divider { width: 100%; height: 1px; align-self: stretch; margin: 0; }
  .info-strip-badge { width: 48px; height: 48px; }
  .info-strip-value { font-size: 24px; }
  .requirement-row { grid-template-columns: 1fr; }
  .zone-header { flex-direction: column; }
  .zone-num { font-size: 44px; }
  .zone-header h2 { font-size: 24px; }
  .region-grid { grid-template-columns: 1fr; }
  .region-overview { flex-wrap: wrap; gap: 16px; }
  .region-legend { margin-left: 0; width: 100%; }
}
@media (max-width: 480px) {
  .header-actions { display: none; }
  .zone-num { font-size: 36px; }
  .hero-headline h1 { font-size: 26px; }
  .primary-button { padding: 12px 28px; font-size: 13px; }
  .bento-card-value .counter { font-size: 28px; }
  .region-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 6px;
    padding: 9px 8px;
  }
  .region-item-tags { gap: 6px; }
  .tag-op { font-size: 11px; padding: 3px 8px; }
}