:root {
  --ink: #25211f;
  --muted: #716a65;
  --paper: #f7f1e7;
  --red: #8c302e;
  --red-dark: #57201f;
  --gold: #c99b4d;
  --line: rgba(73, 54, 43, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 14% 4%, rgba(202, 155, 77, 0.13), transparent 26rem), linear-gradient(180deg, #fcf8f1 0%, var(--paper) 58%, #f1e5d4 100%); font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
.hub-shell { width: min(100% - 36px, 1220px); margin: 0 auto; padding: 28px 0 38px; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; border-radius: 14px; }
.brand-mark { display: grid; width: 44px; height: 44px; flex: 0 0 auto; place-items: center; border-radius: 13px 13px 13px 4px; color: #fff9ef; background: var(--red); box-shadow: 0 9px 24px rgba(112, 38, 35, 0.22); font-family: "Songti SC", "STSong", serif; font-size: 23px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: 0.08em; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
.header-link { padding: 9px 15px; border: 1px solid rgba(140, 48, 46, 0.2); border-radius: 999px; color: var(--red-dark); background: rgba(255, 252, 245, 0.7); font-size: 13px; font-weight: 700; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.85fr); gap: clamp(48px, 8vw, 104px); align-items: center; min-height: 650px; padding: 74px 0 82px; }
.eyebrow { margin: 0; color: var(--red); font-size: 11px; font-weight: 800; letter-spacing: 0.2em; }
.hero h1 { margin: 17px 0 24px; font-family: "Songti SC", "STSong", Georgia, serif; font-size: clamp(54px, 7.2vw, 92px); font-weight: 600; letter-spacing: 0.02em; line-height: 1.13; }
.hero-intro { max-width: 630px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.primary-button { display: inline-flex; align-items: center; gap: 22px; margin-top: 34px; padding: 14px 20px 14px 23px; border-radius: 999px; color: #fff9ef; background: var(--red-dark); box-shadow: 0 16px 38px rgba(87, 32, 31, 0.2); font-size: 14px; font-weight: 750; }
.primary-button span { color: #e6bd75; font-size: 18px; }
.journey-card { position: relative; overflow: hidden; padding: 32px; border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 32px; color: #fff9ef; background: radial-gradient(circle at 96% 0%, rgba(225, 178, 98, 0.2), transparent 34%), linear-gradient(145deg, #6a2725, #3c1c1b 72%); box-shadow: 0 34px 76px rgba(68, 34, 28, 0.24); }
.journey-label { margin: 0 0 24px; color: #e8bd74; font-size: 10px; font-weight: 800; letter-spacing: 0.2em; }
.journey-list { position: relative; display: grid; margin: 0; padding: 0; list-style: none; }
.journey-list::before { position: absolute; top: 26px; bottom: 26px; left: 18px; width: 1px; background: linear-gradient(#d6a95c, rgba(214, 169, 92, 0.16)); content: ""; }
.journey-list li { display: grid; grid-template-columns: 38px 1fr auto; gap: 13px; align-items: center; min-height: 60px; }
.journey-list li > span { z-index: 1; display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid rgba(229, 188, 116, 0.34); border-radius: 50%; color: #efca89; background: #512221; font-size: 10px; font-weight: 800; }
.journey-list strong { font-family: "Songti SC", "STSong", serif; font-size: 19px; font-weight: 600; }
.journey-list small { color: rgba(255, 249, 239, 0.46); font-size: 10px; }
.journey-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 25px; padding-top: 21px; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.journey-summary span { color: rgba(255, 249, 239, 0.52); font-size: 10px; line-height: 1.5; text-align: center; }
.journey-summary strong { display: block; color: #fff9ef; font-family: Georgia, serif; font-size: 23px; font-weight: 500; }
.lesson-section { scroll-margin-top: 20px; padding: 76px 0 88px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 36px; margin-bottom: 34px; }
.section-heading h2, .method h2 { margin: 10px 0 0; font-family: "Songti SC", "STSong", Georgia, serif; font-size: clamp(34px, 5vw, 52px); font-weight: 600; letter-spacing: 0.03em; }
.section-heading > p { max-width: 380px; margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.lesson-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.lesson-card { --accent: #315f68; overflow: hidden; border: 1px solid rgba(66, 52, 45, 0.13); border-radius: 26px; background: rgba(255, 252, 245, 0.72); box-shadow: 0 15px 42px rgba(74, 50, 37, 0.08); transition: transform 180ms ease, box-shadow 180ms ease; }
.lesson-card.security { --accent: #2d7b78; }
.lesson-card.immigration { --accent: #574c78; }
.lesson-card.transport { --accent: #477a68; }
.lesson-card.hotel { --accent: #805036; }
.lesson-card.restaurant { --accent: #a25532; }
.lesson-card.shopping { --accent: #95445f; }
.lesson-card.emergency { --accent: #a63d35; }
.lesson-card.supermarket { --accent: #4f6d3a; }
.lesson-card:hover { transform: translateY(-4px); box-shadow: 0 24px 56px rgba(74, 50, 37, 0.15); }
.lesson-main { display: block; }
.poster-frame { position: relative; height: 260px; overflow: hidden; background: var(--accent); }
.poster-frame::after { position: absolute; inset: auto 0 0; height: 64%; background: linear-gradient(transparent, rgba(26, 18, 16, 0.34)); content: ""; }
.poster-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 450ms ease; }
.lesson-card:hover .poster-frame img { transform: scale(1.035); }
.lesson-number { position: absolute; right: 15px; bottom: 14px; z-index: 1; padding: 6px 10px; border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 999px; color: white; background: rgba(26, 19, 17, 0.3); font-size: 9px; font-weight: 800; letter-spacing: 0.12em; }
.lesson-body { padding: 25px; }
.lesson-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.lesson-title-row h3, .lesson-title-row p, .lesson-description { margin: 0; }
.lesson-title-row h3 { color: var(--accent); font-family: "Songti SC", "STSong", serif; font-size: 28px; font-weight: 650; }
.lesson-title-row p { margin-top: 4px; color: var(--muted); font-size: 11px; }
.arrow { display: grid; width: 34px; height: 34px; flex: 0 0 auto; place-items: center; border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent); border-radius: 50%; color: var(--accent); font-size: 16px; }
.lesson-description { min-height: 55px; margin-top: 18px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.lesson-meta { display: flex; gap: 7px; margin-top: 18px; flex-wrap: wrap; }
.lesson-meta span { padding: 5px 8px; border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent); border-radius: 999px; color: var(--accent); background: rgba(255, 255, 255, 0.55); font-size: 10px; }
.card-actions { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 0 25px 25px; }
.card-action { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; padding: 10px 15px; border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); border-radius: 999px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: 0.05em; }
.card-action.primary { color: #fff; background: var(--accent); }
.card-action.download { background: rgba(255, 255, 255, 0.55); }
.method { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 72px; align-items: start; padding: 76px 0 84px; border-top: 1px solid var(--line); }
.method-steps { display: grid; margin: 0; padding: 0; list-style: none; }
.method-steps li { display: grid; grid-template-columns: 44px 1fr auto; gap: 18px; align-items: center; min-height: 74px; border-bottom: 1px solid var(--line); }
.method-steps li > span { color: var(--gold); font-family: Georgia, serif; font-size: 14px; }
.method-steps strong { font-family: "Songti SC", "STSong", serif; font-size: 19px; font-weight: 600; }
.method-steps small { color: var(--muted); font-size: 12px; }
footer { display: flex; align-items: center; gap: 12px; padding: 28px 0 2px; border-top: 1px solid var(--line); }
footer .brand-mark { width: 36px; height: 36px; font-size: 19px; }
footer p { margin: 0; font-size: 13px; }
footer > span:last-child { margin-left: auto; color: var(--gold); font-size: 10px; font-weight: 800; letter-spacing: 0.16em; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 66px 0 76px; }
  .journey-card { max-width: 720px; }
  .method { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  .hub-shell { width: min(100% - 24px, 1220px); padding-top: 18px; }
  .brand strong { font-size: 13px; }
  .brand small, .header-link { display: none; }
  .hero { gap: 42px; padding: 54px 0 64px; }
  .hero h1 { font-size: clamp(46px, 14vw, 66px); }
  .hero-intro { font-size: 15px; }
  .journey-card { padding: 25px 21px; border-radius: 25px; }
  .journey-list li { grid-template-columns: 38px 1fr; }
  .journey-list small { display: none; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 14px; }
  .lesson-grid { grid-template-columns: 1fr; }
  .poster-frame { height: 210px; }
  .lesson-description { min-height: auto; }
  .method-steps li { grid-template-columns: 36px 1fr; padding: 13px 0; }
  .method-steps small { grid-column: 2; }
  footer > span:last-child { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}