/* ============================================================
   在路上 · travel.itabas.com 设计系统 v2（旷野暗金 · 电影感）
   ============================================================ */

:root {
  --bg: #141109;
  --bg-soft: #1d1810;
  --bg-card: #241e13;
  --fg: #f5eddd;
  --muted: #b3a486;
  --gold: #d9a441;
  --gold-soft: #efd9a7;
  --maple: #c2410c;
  --maple-deep: #9a3412;
  --pine: #2c5138;
  --line: #3a3223;
  --radius: 18px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STZhongsong", "SimSun", serif;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--gold);
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--gold);
  color: #141109;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Logo 与导航 ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: linear-gradient(to bottom, rgba(20, 17, 9, 0.72), rgba(20, 17, 9, 0));
  transition: background 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}

.nav.solid {
  background: rgba(20, 17, 9, 0.9);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(217, 164, 65, 0.16);
}

.nav-inner {
  max-width: 1180px;
  margin-inline: auto;
  padding: 12px clamp(20px, 5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.nav-logo {
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 2px 8px rgba(217, 164, 65, 0.35));
}

.nav-word {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--fg);
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
}

.nav-word i {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: clamp(14px, 3vw, 30px);
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  color: rgba(245, 237, 221, 0.85);
  text-decoration: none;
  font-size: 14.5px;
  letter-spacing: 0.12em;
  white-space: nowrap;
  padding: 6px 2px;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--gold);
}

/* ---------- Hero：全屏轮播 ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg);
}

.hero-slides,
.slide {
  position: absolute;
  inset: 0;
}

.slide {
  opacity: 0;
  transition: opacity 1.6s ease;
}

.slide.on {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.slide.on img {
  animation: kenburns 9s ease-out forwards;
}

@keyframes kenburns {
  from {
    transform: scale(1.09) translateY(-1.2%);
  }
  to {
    transform: scale(1) translateY(0);
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 42%, rgba(20, 17, 9, 0.18), transparent 70%),
    linear-gradient(to bottom, rgba(20, 17, 9, 0.72) 0%, rgba(20, 17, 9, 0.28) 32%, rgba(20, 17, 9, 0.42) 68%, rgba(20, 17, 9, 0.94) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 120px 24px 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-kicker {
  font-size: 12px;
  letter-spacing: 0.5em;
  color: var(--gold-soft);
  margin-bottom: 28px;
}

.hero-logo-big {
  width: clamp(84px, 11vw, 116px);
  height: auto;
  margin-bottom: 26px;
  filter: drop-shadow(0 6px 24px rgba(217, 164, 65, 0.4));
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(54px, 10vw, 124px);
  line-height: 1.12;
  letter-spacing: 0.06em;
  background: linear-gradient(165deg, #fbf0d2 5%, #ecca82 45%, #d0993f 80%, #b97a2a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 24px 80px rgba(20, 17, 9, 0.55);
  margin-bottom: 26px;
}

.hero-sub {
  font-size: clamp(16px, 2.2vw, 19px);
  color: rgba(245, 237, 221, 0.92);
  text-shadow: 0 2px 14px rgba(20, 17, 9, 0.8);
  margin-bottom: 36px;
  max-width: 34em;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
  margin-bottom: 42px;
}

.stat {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  letter-spacing: 0.12em;
  color: rgba(245, 237, 221, 0.88);
  border: 1px solid rgba(245, 237, 221, 0.28);
  background: rgba(20, 17, 9, 0.35);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  padding: 9px 20px;
}

.stat b {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 19px;
  color: var(--gold-soft);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.btn-gold,
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15.5px;
  letter-spacing: 0.16em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-gold {
  background: var(--maple);
  color: #fff;
  box-shadow: 0 12px 30px rgba(194, 65, 12, 0.45);
}

.btn-gold:hover {
  background: var(--maple-deep);
  color: #fff;
  transform: translateY(-2px);
}

.btn-line {
  border: 1.5px solid rgba(245, 237, 221, 0.55);
  color: var(--fg);
  background: rgba(20, 17, 9, 0.3);
  backdrop-filter: blur(6px);
}

.btn-line:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.hero-caption {
  position: absolute;
  z-index: 2;
  right: clamp(20px, 4vw, 46px);
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: rgba(245, 237, 221, 0.85);
  text-shadow: 0 2px 10px rgba(20, 17, 9, 0.9);
}

.hero-caption b {
  font-family: Georgia, serif;
  font-style: italic;
  color: var(--gold-soft);
  font-size: 16px;
}

.hero-caption .cap-bar {
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.hero-scroll {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(245, 237, 221, 0.75);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-decoration: none;
}

.hero-scroll span {
  width: 22px;
  height: 34px;
  border: 1.5px solid rgba(245, 237, 221, 0.55);
  border-radius: 12px;
  position: relative;
}

.hero-scroll span::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px;
  width: 3px;
  height: 7px;
  border-radius: 3px;
  background: var(--gold);
  transform: translateX(-50%);
  animation: scrollHint 1.8s ease-in-out infinite;
}

@keyframes scrollHint {
  0% {
    opacity: 0;
    transform: translate(-50%, 0);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, 12px);
  }
}

/* ---------- 区块通用 ---------- */

.sec {
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(64px, 9vw, 110px) clamp(20px, 5vw, 48px);
}

.sec-tint {
  max-width: none;
  background: var(--bg-soft);
}

.sec-tint > .sec-head,
.sec-tint > .beliefs {
  max-width: 1084px;
  margin-inline: auto;
}

.sec-map {
  max-width: 1240px;
}

.sec-head {
  margin-bottom: clamp(34px, 5vw, 52px);
}

.sec-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.sec-head p {
  color: var(--muted);
  max-width: 44em;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* ---------- 点阵地图 ---------- */

.map-stage {
  position: relative;
  border-radius: 22px;
  background:
    radial-gradient(ellipse 60% 55% at 50% 40%, rgba(217, 164, 65, 0.07), transparent 70%),
    var(--bg-card);
  border: 1px solid var(--line);
  padding: clamp(14px, 3vw, 34px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.map-stage > img {
  width: 100%;
  height: auto;
}

.map-hotspots {
  position: absolute;
  inset: clamp(14px, 3vw, 34px);
}

.map-btn {
  position: absolute;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  padding: 0;
}

.map-btn::before {
  content: "";
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: var(--maple);
  box-shadow: 0 0 0 3px rgba(20, 17, 9, 0.55), 0 0 18px rgba(232, 131, 58, 0.8);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.map-btn:hover::before,
.map-btn:focus-visible::before {
  transform: scale(1.45);
}

.map-btn .tip {
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translate(-50%, 4px);
  white-space: nowrap;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--fg);
  background: rgba(20, 17, 9, 0.92);
  border: 1px solid rgba(217, 164, 65, 0.4);
  border-radius: 999px;
  padding: 5px 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.map-btn:hover .tip,
.map-btn:focus-visible .tip {
  opacity: 1;
  transform: translate(-50%, 0);
}

.map-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

/* ---------- 目的地卡片 ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: 24px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--fg);
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  transition: opacity 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-color 0.25s ease, box-shadow 0.25s ease;
}

.card.in {
  opacity: 1;
  transform: none;
}

a.card {
  cursor: pointer;
}

a.card:hover {
  border-color: rgba(217, 164, 65, 0.55);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.45);
  transform: translateY(-6px);
}

.card.flash {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(217, 164, 65, 0.4), 0 22px 52px rgba(0, 0, 0, 0.45);
}

.card-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

a.card:hover .card-media img {
  transform: scale(1.05);
}

.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 17, 9, 0.55), transparent 45%);
}

.card.planned .card-media img {
  filter: saturate(0.72) brightness(0.82);
  transition: transform 0.6s ease, filter 0.4s ease;
}

a.card:hover .card-media img,
.card.planned:hover .card-media img {
  filter: none;
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 13px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  border-radius: 999px;
}

.badge-new {
  background: var(--maple);
  color: #fff;
}

.badge-planned {
  background: rgba(20, 17, 9, 0.72);
  color: var(--gold-soft);
  border: 1px solid rgba(217, 164, 65, 0.5);
  backdrop-filter: blur(4px);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 24px 26px;
  flex: 1;
}

.card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.card-season {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid rgba(217, 164, 65, 0.4);
  padding: 3px 11px;
  border-radius: 999px;
  white-space: nowrap;
}

.card-subtitle {
  font-size: 13.5px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.card-desc {
  font-size: 14.5px;
  color: rgba(245, 237, 221, 0.78);
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tag {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
}

.card-go {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.card-go::after {
  content: " →";
  transition: margin-left 0.25s ease;
}

a.card:hover .card-go::after {
  margin-left: 6px;
}

/* ---------- 关于 · 三个信条 ---------- */

.beliefs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 20px;
}

.belief {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 28px 30px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
}

.belief b {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}

.belief span {
  font-size: 14.5px;
  color: rgba(245, 237, 221, 0.78);
}

/* ---------- 页脚 ---------- */

.footer {
  border-top: 1px solid rgba(217, 164, 65, 0.14);
  padding: 52px clamp(20px, 5vw, 48px) 40px;
}

.footer-inner {
  max-width: 1084px;
  margin-inline: auto;
  display: grid;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.footer-logo {
  width: 34px;
  height: 34px;
}

.footer-note {
  font-size: 12.5px;
  color: rgba(245, 237, 221, 0.45);
  max-width: 56em;
}

.footer-copy {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: rgba(245, 237, 221, 0.4);
}

/* ---------- 404 ---------- */

.nf-wrap {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
  padding: 24px;
}

.nf-code {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: clamp(72px, 16vw, 150px);
  color: var(--gold);
  line-height: 1;
}

.nf-text {
  color: var(--muted);
  max-width: 30em;
}

/* ---------- 响应式 ---------- */

@media (max-width: 640px) {
  html {
    scroll-padding-top: 70px;
  }

  .nav-word {
    font-size: 18px;
  }

  .nav-word i {
    display: none;
  }

  .hero-caption {
    display: none;
  }

  .map-btn .tip {
    display: none;
  }

  .br-desktop {
    display: none;
  }
}

/* ---------- 无障碍 ---------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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