* {
  box-sizing: border-box;
}

:root {
  --g0: #f5faf6;
  --g1: #e2f0e6;
  --g2: #b8d9c2;
  --g3: #4a9b6f;
  --g4: #2e7a52;
  --g5: #1a4d33;
  --n0: #fafaf8;
  --n1: #f2f1ee;
  --n2: #e4e3de;
  --n3: #9b9a95;
  --n4: #5a5955;
  --n5: #1a1a18;
  --blue: #4b7184;
  --amber: #a07842;
  --r: 8px;
  --container: 1280px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--n5);
  background: #ffffff;
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  width: 100%;
}

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

.page-shell {
  width: 100%;
  overflow: hidden;
}

.container {
  width: min(calc(100% - 104px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 0.5px solid var(--n2);
  backdrop-filter: blur(16px);
}

.nav,
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--g3);
  color: #ffffff;
  font-size: 15px;
  font-weight: 750;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-copy strong {
  color: var(--n5);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0;
}

.brand-copy small {
  color: var(--n3);
  font-size: 11px;
  letter-spacing: 0;
}

.nav-links,
.main-nav {
  display: flex;
  gap: 32px;
  color: var(--n4);
  font-size: 13px;
}

.nav-links a:hover,
.main-nav a:hover {
  color: var(--n5);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 0.5px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.nav-cta {
  min-height: 38px;
  padding-inline: 18px;
  color: #ffffff;
  background: var(--n5);
  font-size: 13px;
}

.button:hover,
.nav-cta:hover {
  transform: translateY(-1px);
}

.button-primary,
.button-dark {
  color: #ffffff;
  background: var(--g3);
}

.button-primary:hover,
.button-dark:hover {
  background: var(--g4);
}

.button-light {
  color: var(--n5);
  background: #ffffff;
  border-color: var(--n2);
}

.button-white {
  color: var(--g4);
  background: #ffffff;
}

.button-ghost,
.button-ghost-green {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.14);
}

.button-small {
  min-height: 38px;
  padding-inline: 16px;
  font-size: 13px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  gap: 72px;
  align-items: center;
  min-height: calc(100svh - 67px);
  padding: 72px 0 76px;
}

.hero-copy h1,
.hero-content h1 {
  max-width: 760px;
  margin: 0 0 18px;
  color: var(--n5);
  font-size: 88px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 0.98;
}

.hero-sub,
.hero-lead {
  max-width: 560px;
  margin: 0 0 46px;
  color: var(--n4);
  font-size: 24px;
  font-weight: 450;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 52px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 34px;
  padding: 6px 14px;
  border: 0.5px solid var(--g1);
  border-radius: 8px;
  background: var(--g0);
  color: var(--g4);
  font-size: 12px;
  font-weight: 600;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--g3);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 7px 14px;
  border-radius: 8px;
  color: var(--n4);
  background: var(--n1);
  font-size: 13px;
}

.phone-wrap {
  position: relative;
  padding: 32px 20px 32px 0;
}

.phone {
  overflow: hidden;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  background: #ffffff;
}

.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px;
  background: var(--g3);
  color: #ffffff;
  font-size: 14px;
  font-weight: 750;
}

.phone-top span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
  font-size: 12px;
}

.phone-body {
  padding: 18px;
}

.activity-card {
  margin-bottom: 12px;
  padding: 16px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
}

.activity-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.activity-head h2 {
  margin: 0;
  font-size: 15px;
  line-height: 1.25;
}

.activity-head span {
  flex: 0 0 auto;
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: 8px;
  color: var(--g4);
  background: var(--g0);
  font-size: 11px;
  font-weight: 650;
}

.activity-meta,
.activity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.activity-meta {
  margin-bottom: 10px;
  color: var(--n3);
  font-size: 12px;
}

.activity-tags span {
  padding: 3px 9px;
  border-radius: 8px;
  color: var(--n4);
  background: var(--n1);
  font-size: 11px;
  font-weight: 600;
}

.activity-tags span:first-child {
  color: var(--g4);
  background: var(--g0);
}

.route-card {
  margin-bottom: 14px;
  padding: 16px;
  border-radius: 8px;
  background: var(--g0);
}

.route-card p {
  margin: 0 0 8px;
  color: var(--g4);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.route-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.route-row strong {
  color: var(--g5);
  font-size: 14px;
}

.route-card small {
  display: block;
  margin-top: 4px;
  color: var(--g4);
  font-size: 12px;
}

.difficulty {
  display: inline-flex;
  gap: 3px;
}

.difficulty i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--g2);
}

.difficulty i:nth-child(-n+3) {
  background: var(--g3);
}

.phone-body img {
  height: 220px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  object-fit: cover;
  object-position: top center;
}

.float-chip {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 190px;
  padding: 12px 14px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  background: #ffffff;
}

.chip-top {
  top: 12px;
  right: 0;
}

.chip-bottom {
  bottom: 12px;
  left: 0;
  width: 200px;
}

.chip-icon {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--g4);
  background: var(--g0);
  font-size: 13px;
  font-weight: 750;
}

.float-chip strong {
  display: block;
  margin-bottom: 1px;
  font-size: 12px;
}

.float-chip span {
  color: var(--n3);
  font-size: 11px;
}

.stats-band {
  padding: 48px 0;
  background: var(--n5);
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stat {
  padding: 30px 24px;
  background: var(--n5);
}

.stat strong {
  display: block;
  margin-bottom: 4px;
  color: #ffffff;
  font-size: 36px;
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.05;
}

.stat span {
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
}

.section {
  padding: 88px 0;
}

.section-green {
  background: var(--g0);
}

.section-dark {
  color: #ffffff;
  background: var(--n5);
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--g3);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-dark .eyebrow {
  color: var(--g2);
}

.section-title,
.section-heading h2,
.guide-band h2 {
  max-width: 680px;
  margin: 0 0 52px;
  color: var(--n5);
  font-size: 36px;
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.2;
}

.section-dark .section-title {
  color: #ffffff;
}

.section-heading p:not(.kicker),
.guide-band p {
  max-width: 680px;
  margin: -36px 0 42px;
  color: var(--n4);
  font-size: 16px;
  line-height: 1.75;
}

.why-grid,
.who-grid,
.path-grid,
.privacy-grid,
.step-grid,
.faq-grid,
.glossary-grid,
.value-grid {
  display: grid;
  gap: 16px;
}

.why-grid,
.value-grid {
  grid-template-columns: repeat(3, 1fr);
}

.who-grid,
.path-grid,
.privacy-grid,
.faq-grid {
  grid-template-columns: repeat(2, 1fr);
}

.info-card,
.card,
.who-card,
.path-panel,
.step-card,
.privacy-card,
.faq-card,
.glossary-card {
  padding: 30px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  background: #ffffff;
}

.section-green .who-card,
.section-green .card {
  border-color: var(--g1);
}

.info-card span,
.path-panel span,
.module-card span,
.flow-grid span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--n3);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.info-card h3,
.card h3,
.who-card h3,
.path-panel h3,
.step-card h3,
.privacy-card h3,
.faq-card h3,
.glossary-card h3,
.flow-grid h3 {
  margin: 0 0 10px;
  color: var(--n5);
  font-size: 18px;
  font-weight: 750;
  line-height: 1.25;
}

.flow-grid h3 {
  color: #ffffff;
}

.info-card p,
.card p,
.who-card li,
.path-panel li,
.step-card p,
.privacy-card p,
.privacy-card li,
.faq-card p,
.glossary-card p,
.flow-grid p {
  margin: 0;
  color: var(--n4);
  font-size: 14px;
  line-height: 1.75;
}

.flow-grid p {
  color: rgba(255, 255, 255, 0.48);
}

.who-card > span {
  display: inline-flex;
  margin-bottom: 22px;
  padding: 5px 12px;
  border-radius: 8px;
  color: var(--g5);
  background: var(--g1);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.who-card h3 {
  font-size: 26px;
}

.who-card ul,
.path-panel ul,
.privacy-card ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 28px;
  padding: 0;
  list-style: none;
}

.who-card li,
.path-panel li,
.privacy-card li {
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--g1);
}

.who-card a,
.text-link {
  display: inline-flex;
  color: var(--g3);
  font-size: 14px;
  font-weight: 750;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 12px;
}

.module-card {
  position: relative;
  overflow: hidden;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  background: var(--n0);
}

.module-card.span2 {
  grid-column: span 2;
}

.module-card.span3 {
  grid-column: span 3;
}

.module-card h3 {
  max-width: 440px;
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

.module-card p {
  max-width: 480px;
  margin: 0;
  color: var(--n4);
  font-size: 14px;
  line-height: 1.7;
}

.module-card img {
  height: 170px;
  margin-top: 22px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  object-fit: cover;
  object-position: top center;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 0.5px solid rgba(255, 255, 255, 0.1);
}

.flow-grid article {
  padding: 32px;
  border-right: 0.5px solid rgba(255, 255, 255, 0.1);
}

.flow-grid article:last-child {
  border-right: 0;
}

.flow-grid span {
  color: var(--g3);
}

.cta-section {
  padding: 80px 0;
}

.cta-box,
.guide-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 56px;
  border-radius: 8px;
  background: var(--g3);
}

.cta-box h2,
.guide-band h2 {
  max-width: 560px;
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 34px;
  line-height: 1.2;
}

.cta-box p,
.guide-band p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.7;
}

.cta-actions,
.guide-actions,
.hero-content .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer,
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 0;
  border-top: 0.5px solid var(--n2);
}

.footer strong,
.site-footer strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

.footer p,
.site-footer p,
.footer-links,
.footer-meta {
  margin: 0;
  color: var(--n3);
  font-size: 13px;
}

.footer-links,
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
}

.footer-links span,
.beian-inline {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.footer-links img,
.beian-inline img {
  width: 16px;
  height: 16px;
}

.hero-guide {
  position: relative;
  display: block;
  min-height: 560px;
  color: #ffffff;
  background-image:
    linear-gradient(90deg, rgba(26, 26, 24, 0.84), rgba(26, 26, 24, 0.56), rgba(26, 26, 24, 0.2)),
    url("../guide-images/首页.jpg");
  background-position: center top;
  background-size: cover;
}

.hero-guide .hero-media,
.hero-guide .hero-shade {
  display: none;
}

.hero-content {
  display: flex;
  min-height: 560px;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0;
}

.hero-content h1 {
  color: #ffffff;
}

.hero-content .hero-lead {
  color: rgba(255, 255, 255, 0.82);
}

.hero-content .kicker {
  color: var(--g2);
}

.guide-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.guide-nav a {
  padding: 8px 12px;
  border: 0.5px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

.section-tint {
  background: var(--g0);
}

.two-column {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: end;
}

.feature-stack,
.module-list {
  display: grid;
  gap: 14px;
}

.feature-row,
.module-row {
  display: grid;
  grid-template-columns: 44% minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 14px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  background: #ffffff;
}

.feature-row img,
.module-row img {
  height: 330px;
  border: 0.5px solid var(--n2);
  border-radius: 8px;
  object-fit: cover;
  object-position: top center;
}

.feature-row div,
.module-row div {
  padding: 10px 16px;
}

.feature-row h3,
.module-row h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.2;
}

.feature-row p,
.module-row p {
  max-width: 540px;
  margin: 0;
  color: var(--n4);
  font-size: 15px;
  line-height: 1.8;
}

.glossary-grid {
  grid-template-columns: repeat(3, 1fr);
}

.reveal {
  opacity: 1;
  transform: none;
}

html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 420ms ease, transform 420ms ease;
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .nav-links,
  .main-nav {
    display: none;
  }

  .hero,
  .two-column,
  .feature-row,
  .module-row,
  .cta-box,
  .guide-band {
    grid-template-columns: 1fr;
  }

  .hero {
    display: grid;
    gap: 44px;
    min-height: auto;
  }

  .hero-copy h1,
  .hero-content h1 {
    font-size: 68px;
  }

  .hero-sub,
  .hero-lead {
    font-size: 22px;
  }

  .why-grid,
  .value-grid,
  .who-grid,
  .path-grid,
  .privacy-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .module-card.span2,
  .module-card.span3 {
    grid-column: span 1;
  }

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

  .flow-grid article:nth-child(2) {
    border-right: 0;
  }

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

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header .nav-cta,
  .site-header .button,
  .brand-copy small {
    display: none;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .hero-copy h1,
  .hero-content h1 {
    font-size: 52px;
  }

  .hero-sub,
  .hero-lead {
    font-size: 19px;
    line-height: 1.55;
  }

  .hero-actions,
  .cta-actions,
  .guide-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .phone-wrap {
    padding: 0;
  }

  .float-chip {
    position: static;
    width: 100%;
    margin-bottom: 10px;
  }

  .chip-bottom {
    margin: 10px 0 0;
  }

  .stats-inner,
  .module-grid,
  .flow-grid,
  .glossary-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }

  .flow-grid article,
  .flow-grid article:nth-child(2) {
    border-right: 0;
    border-bottom: 0.5px solid rgba(255, 255, 255, 0.1);
  }

  .section {
    padding: 64px 0;
  }

  .section-title,
  .section-heading h2,
  .guide-band h2,
  .cta-box h2 {
    margin-bottom: 34px;
    font-size: 28px;
  }

  .section-heading p:not(.kicker),
  .guide-band p {
    margin: -18px 0 32px;
  }

  .who-card,
  .info-card,
  .card,
  .path-panel,
  .step-card,
  .privacy-card,
  .faq-card,
  .glossary-card {
    padding: 22px;
  }

  .feature-row,
  .module-row {
    padding: 10px;
  }

  .feature-row img,
  .module-row img {
    height: 300px;
  }

  .cta-box,
  .guide-band {
    padding: 32px 22px;
  }

  .footer,
  .site-footer {
    flex-direction: column;
  }

  .footer-links,
  .footer-meta {
    text-align: left;
  }

  .footer-links span,
  .beian-inline {
    justify-content: flex-start;
  }
}

@media (max-width: 390px) {
  .hero-copy h1,
  .hero-content h1 {
    font-size: 46px;
  }

  .hero-sub,
  .hero-lead {
    font-size: 18px;
  }
}