:root {
  --paper: #f7f1e8;
  --ink: #181714;
  --muted: #6b665d;
  --line: rgba(24, 23, 20, 0.16);
  --clay: #d98238;
  --coral: #ef6b45;
  --green: #6f8f77;
  --cream: #fffaf2;
  --shadow: 0 28px 80px rgba(69, 55, 38, 0.2);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 12%, rgba(239, 107, 69, 0.18), transparent 26rem),
    radial-gradient(circle at 86% 22%, rgba(111, 143, 119, 0.2), transparent 28rem),
    linear-gradient(135deg, #fbf6ef 0%, var(--paper) 54%, #efe3d4 100%);
  font-family: "Times New Roman", "Noto Serif SC", "Songti SC", serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand strong {
  display: block;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0;
}

.brand em {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.mark {
  width: 46px;
  height: 46px;
  border: 5px solid #20242b;
  border-top-color: transparent;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transform: rotate(-18deg);
  background: var(--cream);
}

.mark span {
  width: 24px;
  height: 24px;
  border: 5px solid var(--coral);
  border-left-color: transparent;
  border-radius: 50%;
  display: block;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}

nav a:hover { color: var(--ink); }

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 120px);
  margin: 0 auto;
  padding: 72px 0 80px;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.72fr);
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--clay);
  font-family: "Trebuchet MS", "Noto Sans SC", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(54px, 8vw, 116px);
  line-height: 0.96;
  letter-spacing: 0;
}

.lead {
  max-width: 660px;
  color: #3e3932;
  font-size: 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.primary, .secondary {
  min-height: 52px;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-family: "Trebuchet MS", "Noto Sans SC", sans-serif;
  font-weight: 700;
}

.primary {
  color: var(--cream);
  background: var(--ink);
  box-shadow: 0 12px 24px rgba(24, 23, 20, 0.18);
}

.secondary { background: rgba(255, 250, 242, 0.54); }

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.facts div, .info-table div, .grid article {
  border: 1px solid var(--line);
  background: rgba(255, 250, 242, 0.66);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.45) inset;
}

.facts div {
  padding: 16px;
  border-radius: 8px;
}

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

dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.phone-stage {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(340px, 100%);
  padding: 14px;
  border: 1px solid rgba(24, 23, 20, 0.26);
  border-radius: 42px;
  background: #1f2228;
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.phone-top {
  width: 90px;
  height: 8px;
  margin: 8px auto 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
}

.screen {
  min-height: 610px;
  padding: 34px 20px;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 250, 242, 0.92), rgba(246, 235, 220, 0.96)),
    var(--cream);
}

.screen .date {
  margin-bottom: 10px;
  color: #8a8175;
  font-family: "Trebuchet MS", sans-serif;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.screen h2 {
  margin-bottom: 24px;
  font-size: 42px;
}

.task {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
  padding: 16px;
  border-radius: 24px;
  background: white;
}

.task span {
  min-width: 52px;
  font-size: 30px;
  font-weight: 800;
  line-height: 0.82;
}

.task small {
  color: var(--muted);
  font-size: 17px;
}

.task strong {
  display: block;
  font-size: 19px;
}

.task p {
  margin: 2px 0 0;
  color: var(--muted);
}

.task.active { background: #f6ddc8; }
.task.dark { color: white; background: #20242b; }
.task.dark p, .task.dark small { color: rgba(255, 255, 255, 0.72); }

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 78px 0;
}

.section h2 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.08;
}

.grid {
  display: grid;
  gap: 16px;
}

.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.grid article {
  min-height: 210px;
  padding: 24px;
  border-radius: 8px;
}

.grid h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.grid p { color: var(--muted); }

.number {
  display: block;
  margin-bottom: 30px;
  color: var(--clay);
  font-size: 18px;
  font-weight: 800;
}

.service {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  gap: 40px;
  align-items: start;
}

.info-table {
  display: grid;
  gap: 10px;
}

.info-table div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 18px;
  border-radius: 8px;
}

.info-table span { color: var(--muted); }
.info-table strong { text-align: right; }

footer {
  width: min(1180px, calc(100% - 40px));
  margin: 40px auto 0;
  padding: 32px 0 44px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}

footer p { margin: 4px 0 0; }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: var(--ink); }
.beian-link:hover { color: var(--ink); }

.legal-page {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 80px;
}

.legal-card {
  padding: clamp(24px, 6vw, 58px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 250, 242, 0.76);
}

.legal-card h1 {
  font-size: clamp(42px, 7vw, 78px);
}

.legal-card h2 {
  margin-top: 34px;
  margin-bottom: 12px;
  font-size: 25px;
}

.legal-card p, .legal-card li {
  color: #3e3932;
}

.download-box {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.download-box div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.44);
}

@media (max-width: 860px) {
  .site-header, footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav { flex-wrap: wrap; }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 36px;
    gap: 42px;
  }

  .facts, .three, .four, .service {
    grid-template-columns: 1fr;
  }

  .phone { transform: none; }

  .info-table div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .info-table strong { text-align: left; }
}