:root {
  --primary: #dc2626;
  --primary-dark: #991b1b;
  --primary-soft: #fef2f2;
  --secondary: #c2410c;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --card: #ffffff;
  --bg: #f8fafc;
  --shadow: 0 18px 45px rgba(220, 38, 38, 0.14);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
}

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

img {
  max-width: 100%;
}

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

.notice-bar {
  background: var(--primary-dark);
  color: #fff;
  font-size: 14px;
}

.notice-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.notice-inner a {
  color: #fff3d7;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 250, 246, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231, 236, 233, 0.8);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #fb7185);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(220, 38, 38, 0.24);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-text strong {
  font-size: 18px;
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #3a464b;
  font-weight: 700;
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--primary-soft);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--primary-dark);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 92px;
  background:
    radial-gradient(circle at 10% 20%, rgba(240, 138, 60, 0.14), transparent 34%),
    radial-gradient(circle at 88% 16%, rgba(220, 38, 38, 0.12), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #fff7ed 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -120px -160px auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(220, 38, 38, 0.08);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 64px;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--secondary);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.18;
  color: #0f172a;
  letter-spacing: -0.04em;
}

.hero-desc {
  margin: 24px 0 0;
  max-width: 680px;
  color: #4f5f66;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 14px 28px rgba(220, 38, 38, 0.22);
}

.btn-secondary {
  background: #fff;
  color: var(--primary-dark);
  border: 1px solid var(--line);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: #526168;
  font-size: 14px;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.phone-card {
  width: min(360px, 100%);
  border-radius: 34px;
  background: #fff;
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid #fee2e2;
  position: relative;
}

.phone-header {
  display: flex;
  gap: 7px;
  margin-bottom: 18px;
}

.phone-header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fecaca;
}

.app-title {
  font-size: 24px;
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 18px;
}

.chat-card {
  padding: 18px;
  border-radius: 18px;
  margin-bottom: 14px;
}

.chat-card strong {
  display: block;
  font-size: 18px;
  margin-bottom: 4px;
}

.chat-card p {
  margin: 0;
  color: #4f5f66;
}

.chat-card.orange {
  background: #fff0e3;
}

.chat-card.green {
  background: #fef2f2;
}

.chat-card.blue {
  background: #eaf2ff;
}

.quick-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.quick-row span {
  text-align: center;
  padding: 12px 6px;
  border-radius: 14px;
  background: #f8fafc;
  color: var(--primary-dark);
  font-weight: 800;
}

.floating-card {
  position: absolute;
  padding: 12px 18px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.14);
  font-weight: 800;
  color: var(--primary-dark);
}

.card-a {
  left: 6%;
  top: 18%;
}

.card-b {
  right: 0;
  bottom: 22%;
}

.section {
  padding: 82px 0;
}

.section-soft {
  background: #fff7ed;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 42px;
}

.section-head h2,
.two-col h2,
.contact-card h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.25;
  color: #0f172a;
}

.section-head p,
.two-col p,
.contact-card p {
  color: #526168;
}

.narrow {
  max-width: 660px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 46px;
  align-items: center;
}

.lead {
  font-size: 18px;
}

.about-panel,
.feature-panel,
.contact-card,
.service-card,
.compliance-grid article,
.step {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
}

.about-panel {
  border-radius: var(--radius);
  padding: 34px;
}

.about-panel h3,
.feature-panel h3,
.service-card h3,
.compliance-grid h3,
.step h3 {
  margin-top: 0;
  color: #0f172a;
}

.check-list {
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  margin: 14px 0;
  color: #4f5f66;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 900;
  line-height: 1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  padding: 28px;
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #fb7185);
  color: #fff;
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 18px;
}

.service-card p,
.compliance-grid p,
.step p,
.feature-item p,
.feature-panel li {
  color: #526168;
}

.feature-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  border-radius: 18px;
}

.num {
  color: rgba(220, 38, 38, 0.24);
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
}

.feature-item h3 {
  margin: 0 0 6px;
  color: #0f172a;
}

.feature-item p {
  margin: 0;
}

.feature-panel {
  border-radius: var(--radius);
  padding: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.96)),
    radial-gradient(circle at 100% 0, rgba(240, 138, 60, 0.22), transparent 42%);
}

.meter {
  height: 12px;
  border-radius: 999px;
  background: #fee2e2;
  overflow: hidden;
  margin: 20px 0;
}

.meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.feature-panel ul {
  padding-left: 20px;
  margin: 0;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.compliance-grid article {
  border-radius: 20px;
  padding: 24px;
}

.process-section {
  background: linear-gradient(180deg, #fffdf8, #fff7ed);
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step {
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 900;
  margin-bottom: 16px;
}

.contact-section {
  padding: 80px 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(240, 138, 60, 0.18), transparent 28%),
    linear-gradient(135deg, #991b1b, #dc2626);
}

.contact-card {
  border-radius: 28px;
  padding: 40px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 30px;
}

.contact-info {
  display: grid;
  gap: 8px;
}

.contact-info p {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #f8fafc;
}

.site-footer {
  background: #0f172a;
  color: #dce7e2;
  padding: 52px 0 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.7fr;
  gap: 34px;
}

.site-footer p {
  color: #b9c9c2;
  margin: 8px 0;
}

.site-footer h3 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 18px;
}

.site-footer a {
  color: #fff3d7;
}

.copyright {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #b9c9c2;
  font-size: 14px;
}

.policy-page {
  background: #fffdf8;
}

.policy-hero {
  padding: 56px 0 34px;
  background: linear-gradient(180deg, #fff7ed, #fffdf8);
}

.policy-hero h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 48px);
  color: #0f172a;
}

.policy-content {
  padding: 34px 0 80px;
}

.policy-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 36px;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
}

.policy-card h2 {
  color: #0f172a;
  margin-top: 32px;
}

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

.policy-card p,
.policy-card li {
  color: #526168;
}

.policy-card a {
  color: var(--primary);
  font-weight: 800;
}

@media (max-width: 980px) {
  .hero-grid,
  .two-col,
  .feature-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 460px;
  }

  .card-grid,
  .compliance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .notice-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 0;
    gap: 4px;
  }

  .nav {
    min-height: 68px;
  }

  .brand-text small {
    display: none;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 14px;
    border-radius: 12px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    padding: 58px 0 68px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: auto;
  }

  .floating-card {
    display: none;
  }

  .section {
    padding: 58px 0;
  }

  .card-grid,
  .compliance-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .contact-card,
  .policy-card {
    padding: 24px;
  }
}

@media (max-width: 760px) {
  .policy-page .nav-links {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .policy-page .nav-links a {
    padding: 8px 10px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--line);
    white-space: nowrap;
  }
}