/* 第2套 www · 深色左侧控制台 / 浅色仪表盘 */
:root {
  --slate-950: #0b1220;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --paper: #eef2f6;
  --card: #ffffff;
  --ink: #1a2433;
  --ink-soft: #3d4b5c;
  --line: #d3dce6;
  --amber: #f5b342;
  --amber-deep: #c48412;
  --ok: #2f7d55;
  --rail-w: 252px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: #9a6a0a;
}

a:hover {
  color: var(--amber-deep);
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
blockquote,
figure,
table {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.35;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 20;
  background: #fff;
  padding: 8px 12px;
}

.console {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  min-height: 100vh;
}

.rail {
  background: linear-gradient(180deg, var(--slate-800) 0%, var(--slate-950) 100%);
  color: var(--slate-200);
  border-right: 1px solid #243044;
  padding: 22px 16px 28px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand:hover {
  color: #fff;
}

.brand svg {
  width: 28px;
  height: 28px;
  color: var(--amber);
  flex: 0 0 auto;
}

.rail-note {
  margin: 12px 0 18px;
  color: var(--slate-400);
  font-size: 12px;
  line-height: 1.55;
}

.rail-status {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0 0 18px;
}

.rail-chip {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid #2b3a51;
  padding: 8px 8px 7px;
}

.rail-chip b {
  display: block;
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  color: var(--amber);
  font-weight: 700;
}

.rail-chip span {
  display: block;
  font-size: 11px;
  color: var(--slate-400);
}

.rail-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 10px;
  margin-bottom: 6px;
  color: var(--slate-200);
  text-decoration: none;
  border-left: 3px solid transparent;
  background: transparent;
}

.rail-nav a svg {
  width: 16px;
  height: 16px;
  color: var(--slate-400);
}

.rail-nav a:hover {
  background: var(--slate-800);
  color: #fff;
}

.rail-nav a.is-on,
.rail-nav a[aria-current="page"] {
  background: #243044;
  border-left-color: var(--amber);
  color: #fff;
}

.rail-nav a.is-on svg,
.rail-nav a[aria-current="page"] svg {
  color: var(--amber);
}

.lamp {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(245, 179, 66, 0.18);
  flex: 0 0 auto;
}

.rail-foot {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid #2b3a51;
  color: var(--slate-400);
  font-size: 12px;
}

.stage {
  background: var(--paper);
  padding: 22px 28px 40px;
  min-width: 0;
}

.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  padding: 22px 24px 20px;
  margin-bottom: 16px;
}

.kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  color: var(--slate-600);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: none;
  margin-bottom: 8px;
}

.kicker time {
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
  color: var(--amber-deep);
}

.hero h1 {
  font-size: 28px;
  margin: 0 0 12px;
  color: var(--slate-900);
}

.hero p {
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 16px;
  background: var(--slate-900);
  color: #fff;
  text-decoration: none;
  border: 1px solid var(--slate-900);
  font-weight: 700;
  font-size: 15px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn:hover {
  background: #243044;
  color: #fff;
  border-color: var(--amber);
}

.btn-amber {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1204;
}

.btn-amber:hover {
  background: #ffc75a;
  color: #1a1204;
  border-color: #ffc75a;
}

.btn-ghost {
  background: #fff;
  color: var(--slate-800);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  border-color: var(--amber-deep);
  color: var(--slate-900);
}

.btn-win {
  min-height: 56px;
  padding: 12px 22px;
  font-size: 18px;
  width: 100%;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 18px 20px 16px;
  margin: 0 0 16px;
}

.panel h2 {
  font-size: 20px;
  margin: 0 0 12px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--line);
  color: var(--slate-900);
}

.panel h2::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--amber);
  margin-right: 8px;
  vertical-align: 1px;
}

.panel h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--slate-800);
}

.panel p,
.panel li {
  color: var(--ink-soft);
}

.panel p:last-child,
.panel ul:last-child,
.panel ol:last-child {
  margin-bottom: 0;
}

.panel ul,
.panel ol {
  padding-left: 1.2em;
  margin-bottom: 12px;
}

.panel li {
  margin-bottom: 6px;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 12px 0 14px;
}

.kpi-card {
  background: var(--slate-100);
  border: 1px solid var(--line);
  padding: 12px 12px 10px;
}

.kpi-card .num {
  display: block;
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1.1;
  color: var(--slate-900);
  font-weight: 700;
}

.kpi-card .num em {
  font-style: normal;
  color: var(--amber-deep);
  font-size: 13px;
  margin-left: 2px;
}

.kpi-card span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 10px;
  margin: 12px 0;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.tile {
  background: var(--slate-100);
  border: 1px solid var(--line);
  padding: 14px 14px 12px;
}

.tile h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tile h3 svg {
  width: 18px;
  height: 18px;
  color: var(--amber-deep);
}

.tile p {
  margin-bottom: 10px;
}

.quote {
  background: var(--slate-100);
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  padding: 14px 16px;
  margin: 0 0 12px;
}

.quote p {
  margin-bottom: 8px;
}

.quote footer {
  color: var(--slate-600);
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
  margin: 12px 0;
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
}

.compare th,
.compare td {
  border: 1px solid var(--line);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}

.compare th {
  background: var(--slate-900);
  color: #fff;
  font-weight: 600;
}

.compare td:first-child {
  font-weight: 600;
  color: var(--slate-800);
  white-space: nowrap;
}

.compare tr:nth-child(even) td {
  background: var(--slate-100);
}

.faq-item {
  border-top: 1px solid var(--line);
  padding: 12px 0 6px;
}

.faq-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.faq-item h3 {
  color: var(--slate-900);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.steps li {
  position: relative;
  padding: 10px 12px 10px 48px;
  background: var(--slate-100);
  border: 1px solid var(--line);
  margin-bottom: 8px;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 12px;
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--amber-deep);
  font-size: 14px;
}

.mono {
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
}

.cta-panel {
  background: var(--slate-900);
  color: #e2e8f0;
  border: 1px solid #243044;
  padding: 18px 20px;
  margin: 0 0 16px;
}

.cta-panel h2 {
  color: #fff;
  border-bottom-color: #334155;
}

.cta-panel h2::before {
  background: var(--amber);
}

.cta-panel p {
  color: #cbd5e1;
}

.site-foot {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px 18px;
  color: var(--ink-soft);
  font-size: 13px;
}

.site-foot .safe {
  color: var(--ok);
  font-weight: 700;
  margin-bottom: 8px;
}

.site-foot p {
  margin: 0 0 8px;
}

.site-foot nav a {
  margin-right: 14px;
}

@media (max-width: 960px) {
  .console {
    grid-template-columns: 1fr;
  }

  .rail {
    position: relative;
    height: auto;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid #243044;
    padding-bottom: 14px;
  }

  .rail-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .rail-nav a {
    border-left: 0;
    border-bottom: 3px solid transparent;
    margin-bottom: 0;
  }

  .rail-nav a.is-on,
  .rail-nav a[aria-current="page"] {
    border-bottom-color: var(--amber);
  }

  .stage {
    padding: 16px 14px 32px;
  }

  .hero h1 {
    font-size: 22px;
  }

  .kpi,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .kpi,
  .grid-2,
  .grid-3,
  .grid-4,
  .rail-status {
    grid-template-columns: 1fr;
  }

  .btn-win {
    font-size: 16px;
  }
}