:root {
  --ink: #07060b;
  --panel: rgba(16, 12, 18, 0.72);
  --line: rgba(212, 168, 83, 0.38);
  --gold: #d4a853;
  --gold-2: #f3d7a1;
  --cinnabar: #c4563a;
  --text: #f7f1e7;
  --muted: #c4b6a6;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-width: none; -ms-overflow-style: none; }
html::-webkit-scrollbar { width: 0; height: 0; display: none; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  padding-top: 78px;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  background: #07060b;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
p { margin: 0; }

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 6, 11, 0.86) 0%, rgba(7, 6, 11, 0.5) 48%, rgba(7, 6, 11, 0.72) 100%),
    linear-gradient(180deg, rgba(7, 6, 11, 0.28), rgba(7, 6, 11, 0.82)),
    url("img/bg01.webp") center 18% / cover no-repeat;
}
#fx { position: absolute; inset: 0; width: 100%; height: 100%; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.28;
  animation: drift 22s ease-in-out infinite alternate;
}
.orb-a { width: 340px; height: 340px; left: -80px; top: 12%; background: rgba(196, 86, 58, 0.28); }
.orb-b { width: 420px; height: 420px; right: -120px; top: 28%; background: rgba(212, 168, 83, 0.16); animation-duration: 28s; }
.orb-c { width: 280px; height: 280px; left: 38%; bottom: -80px; background: rgba(120, 72, 140, 0.22); animation-duration: 18s; }
.grain {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image: radial-gradient(rgba(255, 244, 220, 0.45) 0.6px, transparent 0.65px);
  background-size: 4px 4px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(40px, -28px, 0) scale(1.08); }
}

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--gold);
  color: #24180a;
  padding: 8px 12px;
  z-index: 50;
}
.skip:focus { top: 12px; }

.topbar, main, .site-foot { position: relative; z-index: 1; }
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  padding: 0;
  background: rgba(7, 6, 11, 0.82);
  border-bottom: 1px solid rgba(212, 168, 83, 0.16);
  backdrop-filter: blur(16px);
}
.topbar-inner {
  width: min(var(--max), calc(100% - 12vw));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 190px; }
.brand-logo {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(212, 168, 83, 0.35));
  transition: transform .35s ease, filter .35s ease;
}
.brand:hover .brand-logo { transform: scale(1.04); filter: drop-shadow(0 0 16px rgba(243, 215, 161, 0.55)); }
.brand strong {
  display: block;
  letter-spacing: 4px;
  font-size: 18px;
  font-family: "Songti SC", "STSong", serif;
}
.brand small { color: var(--muted); letter-spacing: 2px; font-size: 12px; }
.seal {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-2);
  font-family: "Songti SC", "STSong", serif;
  font-size: 18px;
  box-shadow: inset 0 0 0 4px rgba(212, 168, 83, 0.16), 0 0 18px rgba(212, 168, 83, 0.2);
}
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 14px;
  color: var(--muted);
  border-radius: 999px;
  letter-spacing: 1px;
  transition: color .25s, background .25s, transform .25s, box-shadow .25s;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: #1c1408;
  background: linear-gradient(135deg, #f3d7a1, #d4a853);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(212, 168, 83, 0.28);
}
.nav-toggle { display: none; }

.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  letter-spacing: 1px;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.btn::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -70%;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-18deg);
  transition: left .5s ease;
  pointer-events: none;
}
.btn:hover::before { left: 140%; }
.btn-gold {
  background: linear-gradient(135deg, #f6e2b8, #d4a853 45%, #c4563a);
  color: #2a1c0a;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(212, 168, 83, 0.22);
}
.btn-gold:hover { transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--line);
  color: var(--gold-2);
  background: rgba(212, 168, 83, 0.06);
}
.btn-ghost:hover { background: rgba(212, 168, 83, 0.16); }

#top, #gallery, #feat, #map, #svc { scroll-margin-top: 90px; }
.wrap { width: min(var(--max), calc(100% - 12vw)); margin: 0 auto; }

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  padding: 48px 0 120px;
  overflow: hidden;
}
.ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 220px;
  background: url("ridge.svg") center bottom / 100% 100% no-repeat;
  opacity: 0.95;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: center;
}
.kicker {
  color: var(--gold);
  letter-spacing: 0.42em;
  font-size: 12px;
}
.hero h1 {
  margin: 12px 0 0;
  font-size: clamp(56px, 8vw, 104px);
  line-height: 1;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: linear-gradient(120deg, #fff6e4 10%, #f3d7a1 40%, #e7a15a 70%, #f0d0c4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  margin-top: 18px;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--gold-2);
  letter-spacing: 0.12em;
}
.hero .desc { max-width: 38em; margin-top: 16px; color: var(--muted); font-size: 16px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tags span, .chip {
  padding: 6px 12px;
  border: 1px solid rgba(243, 215, 161, 0.2);
  border-radius: 999px;
  background: rgba(7, 6, 11, 0.35);
  font-size: 13px;
}

.sect-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(212, 168, 83, 0.1), rgba(16, 12, 18, 0.55));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.sect-board b {
  display: grid;
  place-items: center;
  min-height: 74px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(243, 215, 161, 0.12);
  font-family: "Songti SC", "STSong", serif;
  letter-spacing: 0.18em;
  font-size: 18px;
  transition: transform .3s, border-color .3s;
}
.sect-board b:hover { transform: translateY(-3px); border-color: var(--gold); }
.sect-board span {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.section { padding: 72px 0 24px; }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 34px; }
.sec-head h2, .page-hero h1 {
  margin: 8px 0 0;
  font-family: "Songti SC", "STSong", serif;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.sec-head h2 { font-size: clamp(32px, 4vw, 46px); }
.en {
  color: var(--gold);
  letter-spacing: 0.42em;
  font-size: 12px;
}
.intro { color: var(--muted); margin-top: 12px; }

.stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: -78px;
  border: 1px solid rgba(212, 168, 83, 0.28);
  border-radius: 22px;
  overflow: hidden;
  background: rgba(212, 168, 83, 0.18);
  box-shadow: var(--shadow);
}
.stat {
  padding: 26px 12px;
  text-align: center;
  background: rgba(12, 9, 14, 0.82);
  backdrop-filter: blur(10px);
}
.stat strong {
  display: block;
  font-size: clamp(28px, 3vw, 40px);
  color: var(--gold-2);
  font-family: "Songti SC", "STSong", serif;
  letter-spacing: 0.04em;
}
.stat span { color: var(--muted); font-size: 14px; }

.cards, .svc-grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(4, 1fr); }
.card, .svc, .step, .panel, .handscroll, .clock li {
  position: relative;
  background: var(--panel);
  border: 1px solid rgba(255, 244, 220, 0.08);
  border-radius: 20px;
  padding: 22px 20px 20px;
  backdrop-filter: blur(12px);
}
.card, .svc, .clock li { overflow: hidden; }
.card::after, .svc::after, .clock li::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 46%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(243, 215, 161, 0.16), transparent);
  transform: skewX(-18deg);
  transition: left .55s ease;
  pointer-events: none;
}
.card, .handscroll, .svc, .clock li { transition: transform .35s cubic-bezier(.2, .7, .2, 1), border-color .35s, box-shadow .35s; }
.card:hover, .handscroll:hover, .svc:hover, .clock li:hover {
  transform: translateY(-10px);
  border-color: var(--line);
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(212, 168, 83, 0.28);
}
.card:hover::after, .svc:hover::after, .clock li:hover::after { left: 140%; }
.card em {
  color: var(--gold);
  font-style: normal;
  letter-spacing: 0.2em;
  font-size: 12px;
}
.card h3, .svc h3, .step h3, .panel h3 { margin: 8px 0 8px; font-size: 18px; letter-spacing: 0.06em; }
.card p, .svc p, .step p, .panel p, .handscroll p, .clock p { color: var(--muted); font-size: 14px; }

.clock {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
}
.clock b {
  display: block;
  color: var(--gold-2);
  font-family: "Songti SC", "STSong", serif;
  font-size: 22px;
  letter-spacing: 0.06em;
}
.clock span { display: block; margin: 4px 0 8px; letter-spacing: 0.12em; }

.scrolls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.handscroll { min-height: 280px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; position: relative; }
.handscroll img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform .7s ease;
}
.handscroll::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(7, 6, 11, 0.05) 8%, rgba(7, 6, 11, 0.88));
  pointer-events: none;
}
.handscroll:hover img { transform: scale(1.1); }
.handscroll::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: auto auto 40% -20%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.28), transparent 70%);
}
.handscroll:nth-child(2)::before { background: radial-gradient(circle, rgba(196, 86, 58, 0.32), transparent 70%); }
.handscroll:nth-child(3)::before { background: radial-gradient(circle, rgba(143, 191, 162, 0.22), transparent 70%); }
.handscroll:nth-child(4)::before { background: radial-gradient(circle, rgba(120, 72, 140, 0.32), transparent 70%); }
.handscroll > :not(img) { position: relative; z-index: 2; }
.handscroll small { color: var(--gold); letter-spacing: 0.28em; font-size: 12px; }
.handscroll b { display: block; margin: 10px 0; font-size: 26px; font-family: "Songti SC", "STSong", serif; letter-spacing: 0.08em; }

.svc-grid { grid-template-columns: repeat(3, 1fr); margin-top: 8px; }
.svc { text-align: center; }
.svc .btn, .panel .btn { margin-top: 16px; }
.qq-board { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 760px; margin: 8px auto 28px; }
.qq-list { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 16px; }
.qq-item { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.qq-item strong {
  font-size: 22px;
  color: var(--gold-2);
  font-family: "Songti SC", "STSong", serif;
  letter-spacing: 0.06em;
}
.caution, .health { text-align: center; }

.page-hero { padding: 72px 0 8px; text-align: center; }
.page-hero h1 { font-size: clamp(40px, 6vw, 68px); }
.page-hero .intro { max-width: 40em; margin-left: auto; margin-right: auto; }
.page-hero.is-center { text-align: center; }
.page-hero.is-center .intro { margin-left: auto; margin-right: auto; }
.guide { padding-top: 12px; }
.road {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.road article { text-align: center; min-height: 220px; }
.road .lvl {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--gold);
  letter-spacing: 0.28em;
  font-size: 12px;
}
.road h3 { font-family: "Songti SC", "STSong", serif; letter-spacing: 0.08em; }
.guide-center { text-align: center; }
.guide-center .tags { justify-content: center; }
.guide-center p { max-width: 36em; margin: 14px auto 0; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.stack { display: grid; gap: 16px; margin: 22px 0 64px; }
.stack.is-center .panel { text-align: center; }
.stack.is-center .panel p { max-width: 40em; margin-left: auto; margin-right: auto; }
.stack.is-center .tiers { justify-content: center; }
.panel ol, .panel ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.panel li + li { margin-top: 8px; }
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 16px; margin-bottom: 16px; }
.steps { display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 108px 1fr; gap: 18px; align-items: center; }
.step .lvl {
  font-family: "Songti SC", "STSong", serif;
  color: var(--gold-2);
  font-size: 26px;
  letter-spacing: 0.12em;
}

label { display: block; margin-bottom: 8px; color: var(--gold-2); }
input[type="number"], input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
}
.calc-result {
  margin-top: 18px;
  padding: 18px;
  border-radius: 16px;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.2);
}
.calc-result b { display: block; margin-top: 4px; font-size: 36px; color: var(--gold-2); font-family: "Songti SC", "STSong", serif; }
.error { color: #ffb4a8; margin-top: 12px; }
.tiers { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.site-foot {
  margin-top: 24px;
  padding: 36px 0 96px;
  color: var(--muted);
  background: linear-gradient(180deg, transparent, rgba(5, 4, 8, 0.92) 18%);
  border-top: 1px solid rgba(255, 244, 220, 0.06);
}
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 0.8fr; gap: 24px; text-align: center; }
.site-foot strong { color: var(--text); letter-spacing: 0.12em; }
.site-foot a { color: var(--gold-2); }
.site-foot p { margin-top: 8px; }
.caution, .health {
  width: min(var(--max), calc(100% - 12vw));
  margin: 16px auto 0;
  font-size: 13px;
}

.kefu-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  padding: 12px 16px;
  border-radius: 16px;
  background: linear-gradient(180deg, #d46545, #8d2e24);
  box-shadow: var(--shadow);
  min-width: 156px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.kefu-float:hover { transform: translateY(-4px); box-shadow: 0 18px 36px rgba(180, 50, 36, 0.45); }
.kefu-float span { font-size: 12px; letter-spacing: 0.22em; }
.kefu-float button {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-align: left;
  cursor: pointer;
}
.kefu-float button:hover { text-decoration: underline; }

#gallery, .carousel { overflow: hidden; }
.carousel { position: relative; height: 440px; perspective: 1400px; margin-top: 8px; }
.car-track { position: absolute; left: 50%; top: 48%; width: 0; height: 0; transform-style: preserve-3d; }
.car-card {
  position: absolute;
  width: 640px;
  height: 330px;
  margin: -165px 0 0 -320px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(212, 168, 83, 0.35);
  background: #120e14;
  cursor: pointer;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  transition: transform .6s cubic-bezier(.2, .7, .2, 1), opacity .45s, filter .45s, box-shadow .45s;
}
.car-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s ease; }
.car-card .cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 56px 22px 18px;
  background: linear-gradient(180deg, transparent, rgba(6, 4, 8, 0.92));
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .35s, transform .35s;
}
.car-card .cap b { display: block; letter-spacing: 0.14em; font-size: 20px; }
.car-card .cap small { color: var(--gold-2); letter-spacing: 0.06em; }
.car-card.on .cap, .car-card:hover .cap { opacity: 1; transform: none; }
.car-card:hover { filter: brightness(1.08); }
.car-card.on:hover img { transform: scale(1.08); }
.car-card.on { box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(243, 215, 161, 0.6), 0 0 36px rgba(212, 168, 83, 0.28); }
.car-ctrl { display: flex; justify-content: center; align-items: center; gap: 16px; }
.car-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(212, 168, 83, 0.4);
  background: rgba(16, 12, 18, 0.72);
  color: var(--gold-2);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: transform .25s, background .25s, color .25s, box-shadow .25s;
}
.car-btn:hover { transform: translateY(-3px) scale(1.06); background: var(--gold); color: #24180a; box-shadow: 0 10px 24px rgba(212, 168, 83, 0.35); }
.car-dots { display: flex; gap: 8px; }
.car-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.28); cursor: pointer; transition: transform .25s, background .25s; }
.car-dots i.on, .car-dots i:hover { background: var(--gold); transform: scale(1.4); }

@media (max-width: 980px) {
  .hero-grid, .cards, .cards-3, .road, .scrolls, .stats, .svc-grid, .split, .foot-grid, .clock { grid-template-columns: 1fr 1fr; }
  .hero { min-height: auto; padding-bottom: 56px; }
  .stats { margin-top: 28px; }
}
@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    background: transparent;
    color: var(--gold-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 14px;
  }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 74px;
    flex-direction: column;
    padding: 10px 4vw 16px;
    background: rgba(7, 6, 11, 0.96);
    border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .topbar .btn-gold { display: none; }
  .hero-grid, .cards, .cards-3, .road, .scrolls, .stats, .svc-grid, .split, .foot-grid, .clock, .step, .qq-board { grid-template-columns: 1fr; }
  .hero h1 { letter-spacing: 0.08em; }
  .carousel { height: 240px; }
  .car-card { width: 270px; height: 156px; margin: -78px 0 0 -135px; }
  .stats { margin-top: 0; }
  .kicker, .en { letter-spacing: 0.22em; }
}
@media (prefers-reduced-motion: reduce) {
  .orb, .card, .handscroll, .svc, .btn, .car-card, .kefu-float { animation: none; transition: none; }
  #fx { display: none; }
}