:root {
  --ink: #1c1915;
  --ink-soft: #433e37;
  --muted: #6f685f;
  --paper: #f3eee6;
  --card: #fffcf8;
  --line: rgba(28, 25, 21, 0.14);
  --cinnabar: #b13322;
  --cinnabar-deep: #8e2618;
  --gold: #c8a27a;
  --digital: #1e2a3a;
  --appliance: #24382c;
  --life: #5c4036;
  --sport: #7a332c;
  --header: 74px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0) 320px),
    var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

h1, h2, h3, .brand-text strong, .seal, .swatch b, .metrics strong,
.guide-index a > span, .stamp, .pick b, .num {
  font-family: "Songti SC", "STSong", "SimSun", "NSimSun", serif;
  font-weight: 400;
}

a { color: inherit; }

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

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

::selection { background: #f0c7bc; }

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 50;
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
}

.skip:focus { top: 12px; }

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243, 238, 230, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header);
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.seal {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--cinnabar);
  color: #fff8f3;
  font-size: 24px;
  line-height: 1;
  transform: rotate(-6deg);
}

.brand-text strong {
  display: block;
  font-size: 20px;
  letter-spacing: 0.14em;
  line-height: 1.1;
}

.brand-text small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  letter-spacing: 0.16em;
  font-size: 11px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  text-decoration: none;
  font-size: 15px;
}

.nav a[aria-current="page"] {
  color: var(--cinnabar-deep);
  box-shadow: inset 0 -2px 0 var(--cinnabar);
}

.nav-toggle {
  display: none;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.nav-toggle .close-label { display: none; }

.nav-toggle[aria-expanded="true"] .open-label { display: none; }

.nav-toggle[aria-expanded="true"] .close-label { display: inline; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.82fr);
  gap: 48px;
  align-items: center;
  padding: 46px 0 8px;
}

.kicker {
  margin: 0 0 8px;
  color: var(--cinnabar-deep);
  font-size: 13px;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.18;
}

.lead {
  margin: 16px 0 0;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  background: var(--cinnabar);
  color: #fffaf6;
  text-decoration: none;
  border: 1px solid var(--cinnabar);
}

.btn:hover { background: var(--cinnabar-deep); border-color: var(--cinnabar-deep); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.metrics {
  display: flex;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
}

.metrics strong {
  display: block;
  font-size: 30px;
  line-height: 1.1;
}

.metrics span {
  color: var(--muted);
  font-size: 13px;
}

.ticket {
  position: relative;
  padding: 26px 24px 22px;
  background:
    linear-gradient(var(--cinnabar), var(--cinnabar)) top / 100% 7px no-repeat,
    var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(28, 25, 21, 0.06);
}

.ticket h2 {
  margin: 6px 0 8px;
  padding-right: 76px;
  font-size: 32px;
  line-height: 1.25;
}

.ticket p { margin: 0; color: var(--ink-soft); }

.stamp {
  position: absolute;
  top: 24px;
  right: 20px;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 2px solid var(--cinnabar);
  border-radius: 50%;
  color: var(--cinnabar);
  font-size: 28px;
  transform: rotate(12deg);
}

.reasons {
  margin: 14px 0 18px;
  padding-left: 18px;
  color: var(--ink-soft);
}

.reasons li { margin: 6px 0; }

.section { margin-top: 56px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.section-head h2 {
  margin: 0;
  font-size: 30px;
}

.section-head a { color: var(--cinnabar-deep); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card a,
.row a,
.pick,
.guide-index a {
  text-decoration: none;
  color: inherit;
}

.card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.card a:hover {
  transform: translateY(-2px);
  border-color: rgba(28, 25, 21, 0.38);
}

.swatch {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  color: #f6f1e8;
}

.swatch b {
  font-size: 68px;
  line-height: 1;
}

.swatch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.swatch small {
  position: absolute;
  left: 12px;
  top: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.include-slot { min-height: var(--header); }

.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.friend-links a {
  display: inline;
  margin: 0;
}

.footer-links { margin-top: 28px; }

.hero-shot {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  margin: 0 0 14px;
}

.note-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.note-list li { margin: 8px 0; }

.faq { margin-top: 36px; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

.faq details:last-child { border-bottom: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  font-size: 18px;
  font-family: "Songti SC", "STSong", "SimSun", "NSimSun", serif;
}

.faq p { margin: 10px 0 0; color: var(--ink-soft); }

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

.prose ul { padding-left: 18px; color: var(--ink-soft); }

.prose li { margin: 8px 0; }

.tone-digital { background: var(--digital); }
.tone-appliance { background: var(--appliance); }
.tone-life { background: var(--life); }
.tone-sport { background: var(--sport); }

.card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 14px 14px 16px;
}

.card-body h3 {
  margin: 0;
  font-size: 22px;
}

.card-body p { margin: 0; color: var(--ink-soft); }

.price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0 0;
}

.card .price { margin-top: auto; }

.price strong {
  color: var(--cinnabar-deep);
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}

.price s { color: var(--muted); font-size: 14px; }

.price em {
  font-style: normal;
  font-size: 12px;
  color: var(--cinnabar-deep);
  border: 1px solid rgba(177, 51, 34, 0.35);
  padding: 1px 6px;
}

.guide-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.guide-index a {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.guide-index li:last-child a { border-bottom: 1px solid var(--line); }

.guide-index a > span {
  color: var(--cinnabar);
  font-size: 32px;
  line-height: 1.1;
}

.guide-index h2,
.guide-index h3 {
  margin: 0;
  font-size: 26px;
}

.guide-index p {
  margin: 6px 0 0;
  color: var(--ink-soft);
}

.guide-index a:hover h2,
.guide-index a:hover h3 { color: var(--cinnabar-deep); }

.pick-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.pick {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 168px;
  padding: 22px;
  overflow: hidden;
  color: #f6f1e8;
}

.pick-feature { grid-row: 1 / span 2; min-height: 100%; }

.pick b {
  position: absolute;
  right: 8px;
  top: -12px;
  font-size: 112px;
  line-height: 1;
  opacity: 0.2;
}

.pick small {
  letter-spacing: 0.14em;
  font-size: 12px;
}

.pick strong {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  font-weight: 400;
  font-family: "Songti SC", "STSong", "SimSun", serif;
}

.pick span { max-width: 28em; }

.page-head { padding: 34px 0 8px; }

.page-head h1 { font-size: clamp(36px, 4vw, 52px); }

.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

.crumb a { color: inherit; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.filter-btn {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.rows { display: grid; gap: 12px; }

.row a {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 12px;
  background: var(--card);
  border: 1px solid var(--line);
}

.row a:hover { border-color: rgba(28, 25, 21, 0.38); }

.row .swatch { width: 112px; aspect-ratio: 1; }

.row .swatch b { font-size: 42px; }

.row h2 {
  margin: 0;
  font-size: 24px;
}

.row p { margin: 4px 0 0; color: var(--ink-soft); }

.row .price {
  flex-direction: column;
  align-items: flex-end;
  margin: 0;
}

.anchor { scroll-margin-top: 96px; }

.path + .path { margin-top: 36px; }

.path-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.path-head h2 { margin: 0; font-size: 30px; }

.mini-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 14px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 36px;
  align-items: start;
  padding-bottom: 12px;
}

.prose h1 { margin-bottom: 8px; }

.updated { margin: 0 0 18px; color: var(--muted); font-size: 14px; }

.prose h2 {
  margin: 28px 0 8px;
  font-size: 26px;
}

.prose p { margin: 0 0 14px; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 18px;
  font-size: 15px;
}

.prose th,
.prose td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}

.prose th { font-weight: 600; width: 28%; }

.summary-card {
  position: sticky;
  top: 96px;
  padding: 18px 18px 16px;
  background: var(--card);
  border: 1px solid var(--line);
}

.summary-card .btn { width: 100%; }

.summary-card dl { margin: 8px 0 16px; }

.summary-card div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.summary-card dt { color: var(--muted); }

.summary-card dd { margin: 0; text-align: right; }

.related {
  display: grid;
  gap: 8px;
  margin-top: 28px;
}

.related a { color: var(--cinnabar-deep); }

.principles {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
}

.principles li {
  min-height: 180px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
}

.principles .num {
  display: block;
  color: var(--cinnabar);
  font-size: 28px;
  line-height: 1;
}

.principles strong {
  display: block;
  margin: 12px 0 6px;
  font-size: 22px;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-weight: 400;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 28px;
  align-items: start;
}

.contact-card {
  padding: 20px;
  background: var(--digital);
  color: #f6f1e8;
}

.contact-card a { color: #f6f1e8; }

.site-footer {
  margin-top: 64px;
  padding: 36px 0 22px;
  background: var(--ink);
  color: #f3eee6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.2fr;
  gap: 28px;
}

.footer-brand {
  margin: 0;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 28px;
}

.footer-label {
  margin: 0 0 8px;
  color: var(--gold);
  letter-spacing: 0.14em;
  font-size: 13px;
}

.site-footer a {
  display: block;
  margin: 4px 0;
  color: #f3eee6;
  text-decoration: none;
}

.site-footer p { margin: 6px 0; color: rgba(243, 238, 230, 0.82); }

.legal {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid rgba(243, 238, 230, 0.16);
  color: rgba(243, 238, 230, 0.62);
  font-size: 13px;
}

@media (max-width: 900px) {
  .cards,
  .mini-cards,
  .principles { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; align-items: center; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 12px;
    background: #f7f2ea;
    border-bottom: 1px solid var(--line);
  }

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

  .nav a { padding: 12px 22px; }

  .hero,
  .layout,
  .about-grid,
  .footer-grid,
  .pick-grid { grid-template-columns: 1fr; }

  .pick-feature { grid-row: auto; min-height: 210px; }

  .summary-card {
    position: static;
    order: -1;
  }

  .row a { grid-template-columns: 72px minmax(0, 1fr); }

  .row .swatch { width: 72px; }

  .row .price {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: baseline;
  }
}

@media (max-width: 640px) {
  .wrap { width: min(1120px, calc(100% - 28px)); }

  .cards,
  .mini-cards,
  .principles,
  .metrics { grid-template-columns: 1fr; }

  .metrics { display: grid; gap: 14px; }

  .hero { padding-top: 28px; gap: 28px; }

  .ticket h2 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .card a { transition: none; }
}