/* =====================================================
   龜地灣旅棧 形象官網樣式
   設計語彙：卡拉拉白大理石 × 墨黑大理石 × 深海（海生館意象）
   Design Tokens 集中於 :root，方便日後整合 KTW Smart SaaS 版型系統
   ===================================================== */

:root {
  /* 大理石色票 */
  --marble-white: #f6f5f1;        /* 卡拉拉白底色 */
  --marble-white-vein: #dcd9d2;   /* 白石紋路 */
  --marble-black: #15181e;        /* 墨黑大理石底色 */
  --marble-black-2: #1d2129;      /* 墨黑漸層次色 */
  --marble-black-vein: #2e3442;   /* 黑石紋路 */

  /* 海洋色票（海生館意象） */
  --ocean-deep: #0a2a3d;
  --ocean-mid: #0e4a63;
  --ocean-light: #2fa3c7;
  --ocean-foam: #bfe6f0;

  /* 品牌點綴 */
  --gold: #b08d57;                /* 黃銅金（大理石鑲邊） */
  --gold-light: #d2b487;
  --ink: #23262d;                 /* 主文字色 */
  --ink-soft: #5a5f6a;            /* 次文字色 */

  /* 簡約現代日式（館內鹿角蕨與觀葉植物） */
  --fern: #4f6352;                /* 鹿角蕨綠 */
  --fern-deep: #36473c;           /* 深苔綠 */
  --fern-mist: #e7ece5;           /* 葉霧（淺綠底） */
  --wood: #c8b294;                /* 木格柵 */
  --paper: #fbfaf7;               /* 和紙白 */

  --font-serif: "Noto Serif TC", "PMingLiU", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;

  --radius: 14px;
  --shadow-soft: 0 10px 40px rgba(21, 24, 30, 0.10);
  --shadow-deep: 0 18px 60px rgba(10, 42, 61, 0.35);
  --container: 1180px;
  --header-h: 72px;
}

/* ===== Reset 基礎 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--marble-white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-serif); line-height: 1.3; margin: 0 0 0.5em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 820px; }

/* ===== 大理石紋理（SVG feTurbulence 程序化生成，免外部圖檔） ===== */
.section-marble {
  background-color: var(--marble-white);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='900'%3E%3Cfilter id='m' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.004 0.009' numOctaves='4' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.86 0 0 0 0 0.85 0 0 0 0 0.82 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23m)'/%3E%3C/svg%3E");
}
.section-dark {
  background-color: var(--marble-black);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='900'%3E%3Cfilter id='b' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.003 0.01' numOctaves='4' seed='11' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.18 0 0 0 0 0.2 0 0 0 0 0.26 0 0 0 0.55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23b)'/%3E%3C/svg%3E");
  color: #e9e8e4;
}

/* ===== 按鈕 ===== */
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
  box-shadow: 0 8px 24px rgba(176, 141, 87, 0.4);
}
.btn-gold:hover { box-shadow: 0 12px 32px rgba(176, 141, 87, 0.55); }
.btn-dark {
  background: var(--marble-black);
  color: #fff;
}
.btn-dark:hover { background: var(--ocean-mid); }

/* ===== 頁首 ===== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  color: #fff;
}
.site-header.scrolled {
  background: rgba(21, 24, 30, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-logo { width: 46px; height: auto; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-serif); font-size: 19px; letter-spacing: 0.12em; }
.brand-text small { font-size: 9px; letter-spacing: 0.32em; color: var(--ocean-foam); }
.site-nav { display: flex; gap: 22px; margin-left: auto; }
.site-nav a {
  font-size: 14.5px;
  letter-spacing: 0.06em;
  opacity: 0.88;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: opacity 0.2s, border-color 0.2s;
}
.site-nav a:hover { opacity: 1; border-color: var(--gold-light); }
.header-cta { padding: 10px 22px; font-size: 14px; flex: none; }
.nav-toggle { display: none; }

/* ===== Hero：黑大理石 × 深海 ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(47, 163, 199, 0.22), transparent 60%),
    radial-gradient(900px 500px at 15% 110%, rgba(14, 74, 99, 0.5), transparent 65%),
    linear-gradient(170deg, var(--marble-black) 0%, var(--marble-black-2) 45%, var(--ocean-deep) 100%);
  background-color: var(--marble-black);
}
.hero::before { /* 黑大理石紋理疊層 */
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1000' height='1000'%3E%3Cfilter id='v' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.002 0.006' numOctaves='5' seed='4' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.45 0 0 0 0 0.5 0 0 0 0 0.58 0 0 0 0.16 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23v)'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 3; padding: 130px 24px 110px; }
.hero-eyebrow {
  color: var(--ocean-foam);
  letter-spacing: 0.42em;
  font-size: 13.5px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(40px, 6.4vw, 76px);
  font-weight: 900;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.45);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-light);
}
.hero-sub {
  font-size: clamp(15px, 1.8vw, 18.5px);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 42px;
}

/* 海洋生物動畫層 */
.hero-ocean { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.whale-shark {
  position: absolute;
  top: 16%;
  width: clamp(180px, 24vw, 320px);
  color: rgba(191, 230, 240, 0.13);
  animation: swim 42s linear infinite;
}
.fish { position: absolute; width: 26px; color: rgba(191, 230, 240, 0.18); }
.fish-1 { top: 32%; animation: swim 26s linear infinite 4s; }
.fish-2 { top: 38%; width: 18px; animation: swim 30s linear infinite 9s; }
.fish-3 { top: 26%; width: 21px; animation: swim 23s linear infinite 14s; }
@keyframes swim {
  from { transform: translateX(-30vw) scaleX(1); left: -10%; }
  to   { transform: translateX(130vw) scaleX(1); left: 0%; }
}
.bubbles span {
  position: absolute;
  bottom: -40px;
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(191, 230, 240, 0.35);
  animation: rise 14s linear infinite;
}
.bubbles span:nth-child(1) { left: 8%;  animation-duration: 16s; }
.bubbles span:nth-child(2) { left: 22%; width: 6px; height: 6px; animation-delay: 3s; }
.bubbles span:nth-child(3) { left: 35%; animation-delay: 7s; animation-duration: 19s; }
.bubbles span:nth-child(4) { left: 52%; width: 14px; height: 14px; animation-delay: 1.5s; }
.bubbles span:nth-child(5) { left: 64%; width: 7px; height: 7px; animation-delay: 9s; }
.bubbles span:nth-child(6) { left: 76%; animation-delay: 5s; animation-duration: 21s; }
.bubbles span:nth-child(7) { left: 88%; width: 5px; height: 5px; animation-delay: 11s; }
.bubbles span:nth-child(8) { left: 95%; width: 12px; height: 12px; animation-delay: 6.5s; }
@keyframes rise {
  from { transform: translateY(0); opacity: 0; }
  12%  { opacity: 1; }
  to   { transform: translateY(-105vh); opacity: 0; }
}

.hero-bottom-wave { position: absolute; left: 0; right: 0; bottom: -1px; z-index: 2; }
.hero-bottom-wave svg { display: block; width: 100%; height: 90px; }

/* ===== 訂房快搜列 ===== */
.booking-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: stretch;
  background: rgba(246, 245, 241, 0.96);
  border: 1px solid rgba(176, 141, 87, 0.35);
  border-radius: var(--radius);
  padding: 16px;
  max-width: 780px;
  box-shadow: var(--shadow-deep);
}
.booking-field {
  flex: 1 1 150px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.booking-field label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}
.booking-field input,
.booking-field select {
  font-family: var(--font-sans);
  font-size: 15.5px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--marble-white-vein);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 46px;
}
.booking-field input:focus,
.booking-field select:focus {
  border-color: var(--ocean-light);
  box-shadow: 0 0 0 3px rgba(47, 163, 199, 0.18);
}
.booking-submit {
  flex: 1 1 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.3;
}
.booking-submit-sub { font-size: 11px; font-weight: 400; opacity: 0.85; letter-spacing: 0.2em; }
.booking-hint {
  margin-top: 14px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.04em;
}

/* ===== 區塊通用 ===== */
.section { padding: 96px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  color: var(--gold);
  letter-spacing: 0.5em;
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  letter-spacing: 0.1em;
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-head h2::after { /* 金線鑲邊（大理石嵌金意象） */
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 56px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.section-desc { max-width: 620px; margin: 14px auto 0; color: var(--ink-soft); font-size: 15.5px; }
.section-head-light h2 { color: #fff; }
.section-head-light .section-desc { color: rgba(255, 255, 255, 0.7); }

/* ===== 關於 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-text h3 {
  font-size: 24px;
  letter-spacing: 0.06em;
}
.about-text h3::before {
  content: "";
  display: block;
  width: 40px; height: 2px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--gold), var(--fern));
}
.about-text p { color: var(--ink-soft); font-size: 15.5px; }
.about-text strong { color: var(--ink); }
.about-features { margin-top: 22px; display: grid; gap: 10px; }
.about-features li { display: flex; gap: 10px; align-items: baseline; font-size: 15px; }
.feat-icon { color: var(--gold); font-size: 10px; }
.about-photo {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 6px solid #fff;
  outline: 1px solid var(--marble-white-vein);
  position: relative;
}
.about-photo img { aspect-ratio: 16 / 10; object-fit: cover; }
.about-photo figcaption {
  position: absolute;
  right: 0; bottom: 0;
  background: rgba(21, 24, 30, 0.78);
  color: #fff;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  padding: 7px 16px;
  border-top-left-radius: 10px;
}

/* ===== 海生館特區 ===== */
.section-ocean {
  background:
    radial-gradient(900px 480px at 85% 0%, rgba(47, 163, 199, 0.25), transparent 60%),
    linear-gradient(165deg, var(--ocean-deep) 0%, var(--ocean-mid) 70%, #0c3a50 100%);
  color: #eaf6fa;
  overflow: hidden;
}
.ocean-caustics { /* 水波光影 */
  position: absolute; inset: 0;
  background:
    radial-gradient(220px 90px at 20% 18%, rgba(191, 230, 240, 0.08), transparent),
    radial-gradient(300px 110px at 70% 60%, rgba(191, 230, 240, 0.06), transparent),
    radial-gradient(260px 100px at 45% 85%, rgba(191, 230, 240, 0.07), transparent);
  animation: caustics 11s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes caustics {
  from { transform: translate3d(-12px, 0, 0) scale(1); }
  to   { transform: translate3d(12px, -10px, 0) scale(1.06); }
}
.aqua-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  position: relative;
}
.aqua-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(191, 230, 240, 0.18);
  border-radius: var(--radius);
  padding: 30px 24px;
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease, background 0.3s ease;
}
.aqua-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, 0.1); }
.aqua-card h3 { font-size: 19px; letter-spacing: 0.1em; color: #fff; }
.aqua-card p { font-size: 14px; color: rgba(234, 246, 250, 0.78); margin: 0; }
.aqua-icon { width: 46px; height: 46px; color: var(--ocean-foam); margin-bottom: 16px; }
.aqua-icon svg { width: 100%; height: 100%; }
.aqua-card-hl {
  background: linear-gradient(150deg, rgba(176, 141, 87, 0.24), rgba(255, 255, 255, 0.05));
  border-color: rgba(210, 180, 135, 0.45);
}
.aqua-card-hl .aqua-icon { color: var(--gold-light); }

/* ===== 房型 ===== */
.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 26px;
}
.room-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.room-card:hover { transform: translateY(-6px); box-shadow: 0 18px 50px rgba(21, 24, 30, 0.16); }
.room-photo { position: relative; overflow: hidden; }
.room-photo img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
  transition: transform 0.5s ease;
}
.room-card:hover .room-photo img { transform: scale(1.05); }
.room-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(21, 24, 30, 0.82);
  color: var(--gold-light);
  font-size: 12px;
  letter-spacing: 0.2em;
  padding: 4px 12px;
  border-radius: 999px;
}
.room-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.room-body h3 { font-size: 19px; letter-spacing: 0.08em; margin-bottom: 4px; }
.room-meta { font-size: 13px; color: var(--ink-soft); margin-bottom: 10px; }
.room-price {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ocean-mid);
  margin-bottom: 16px;
}
.room-price small { font-size: 12.5px; font-weight: 400; color: var(--ink-soft); }
.room-book { margin-top: auto; padding: 11px 20px; font-size: 14px; }

/* ===== 主題專案 ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.project-card {
  border: 1px solid var(--marble-black-vein);
  border-radius: var(--radius);
  padding: 32px 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.project-card::before { /* 金角鑲線 */
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 54px; height: 54px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  border-top-left-radius: var(--radius);
  opacity: 0.85;
}
.project-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.project-card h3 { font-size: 20px; letter-spacing: 0.1em; color: var(--gold-light); }
.project-card p { font-size: 14.5px; color: rgba(233, 232, 228, 0.82); }
.project-card strong { color: #fff; }
.project-note { font-size: 12.5px; color: rgba(233, 232, 228, 0.5); margin: 0; }
.projects-cta { text-align: center; margin-top: 48px; }

/* ===== 實景照片帶（全幅 banner，素材為 1600x480 橫幅） ===== */
.photo-band { position: relative; overflow: hidden; }
.photo-band img { width: 100%; height: clamp(220px, 30vw, 420px); object-fit: cover; }
.photo-band figcaption {
  position: absolute;
  left: 0; bottom: 0;
  background: rgba(21, 24, 30, 0.72);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.24em;
  padding: 9px 26px 9px 24px;
  border-top-right-radius: 12px;
}
.photo-band figcaption small { color: var(--wood); letter-spacing: 0.3em; margin-left: 12px; }

/* ===== 蕨與中庭（簡約現代日式・館內綠意） ===== */
.section-garden {
  background-color: var(--paper);
  background-image: linear-gradient(180deg, var(--fern-mist) 0%, var(--paper) 34%);
}
.garden-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
  margin-bottom: 44px;
}
.garden-text h3 { font-size: clamp(22px, 2.6vw, 28px); letter-spacing: 0.1em; }
.garden-text p { color: var(--ink-soft); font-size: 15.5px; max-width: 36em; }
.garden-text strong { color: var(--fern-deep); }
.garden-fern-mark { width: 64px; height: 64px; color: var(--fern); margin-bottom: 10px; }
.garden-points { display: grid; gap: 14px; align-content: end; }
.garden-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: 15px;
  color: var(--ink);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(79, 99, 82, 0.18);
}
.garden-points li span:first-child {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--fern);
}
.garden-photos { display: grid; gap: 14px; }
.garden-photos .photo-band { border-radius: var(--radius); }
.garden-photos .photo-band img { height: clamp(180px, 24vw, 320px); }

/* ===== 周邊旅圖（引導式章節） ===== */
.travel-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.travel-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.travel-chip {
  font-family: var(--font-sans);
  font-size: 13.5px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid rgba(35, 38, 45, 0.22);
  border-radius: 999px;
  padding: 7px 18px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.travel-chip:hover { border-color: var(--fern); color: var(--fern-deep); }
.travel-chip.is-active {
  background: var(--fern-deep);
  border-color: var(--fern-deep);
  color: var(--paper);
}
.travel-arrows { display: flex; align-items: center; gap: 10px; }
.travel-count {
  font-family: var(--font-serif);
  font-size: 13.5px;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
  margin-right: 4px;
}
.travel-arrow {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(35, 38, 45, 0.25);
  background: transparent;
  color: var(--ink);
  font-size: 17px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.travel-arrow:hover { background: var(--marble-black); border-color: var(--marble-black); color: var(--paper); }

.travel-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(820px, 88%);
  gap: 26px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 6px 6px 26px;
  margin: 0 -6px;
  scrollbar-width: thin;
  scrollbar-color: var(--wood) transparent;
}
.travel-panel { scroll-snap-align: start; }
.travel-panel.is-hidden { display: none; }
.travel-panel-link {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: var(--paper);
  border: 1px solid rgba(35, 38, 45, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.travel-panel-link:hover {
  transform: translateY(-5px);
  border-color: rgba(79, 99, 82, 0.45);
  box-shadow: 0 18px 50px rgba(54, 71, 60, 0.18);
}
.travel-scene {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(420px 200px at 80% 10%, rgba(200, 178, 148, 0.18), transparent 70%),
    linear-gradient(160deg, var(--fern-mist) 0%, #f2f1ea 100%);
  color: var(--fern-deep);
  padding: 34px 22px;
  min-height: 250px;
}
.travel-scene-svg { width: min(240px, 78%); height: auto; }
.travel-scene-svg .sc-accent { stroke: var(--gold); }
.travel-no {
  position: absolute;
  top: 14px; left: 20px;
  font-family: var(--font-serif);
  font-size: 46px;
  font-weight: 400;
  color: rgba(54, 71, 60, 0.2);
  letter-spacing: 0.05em;
}
.travel-panel-body { padding: 30px 32px 28px; display: flex; flex-direction: column; }
.travel-cat {
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--fern);
  margin-bottom: 10px;
}
.travel-panel-body h3 { font-size: clamp(21px, 2.4vw, 26px); letter-spacing: 0.08em; margin-bottom: 2px; }
.travel-sub {
  font-family: var(--font-serif);
  font-size: 14.5px;
  color: var(--gold);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.travel-teaser { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 16px; }
.travel-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.travel-badges span {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--fern-deep);
  background: rgba(79, 99, 82, 0.1);
  border-radius: 999px;
  padding: 4px 14px;
}
.travel-more {
  margin-top: auto;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--marble-black);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.travel-more i { font-style: normal; transition: transform 0.25s ease; }
.travel-panel-link:hover .travel-more { color: var(--fern-deep); }
.travel-panel-link:hover .travel-more i { transform: translateX(6px); }

/* ===== 旅圖詳情頁 ===== */
.travel-page { background: var(--paper); }
.travel-header { background: rgba(21, 24, 30, 0.96); position: sticky; }
.travel-hero {
  background:
    radial-gradient(800px 400px at 90% -20%, rgba(79, 99, 82, 0.35), transparent 65%),
    linear-gradient(165deg, var(--marble-black) 0%, var(--marble-black-2) 60%, var(--fern-deep) 130%);
  color: var(--paper);
  padding: 84px 0 64px;
}
.travel-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.travel-crumb { font-size: 13px; letter-spacing: 0.2em; color: var(--wood); margin-bottom: 26px; }
.travel-crumb a { border-bottom: 1px solid rgba(200, 178, 148, 0.45); }
.travel-crumb span { margin: 0 8px; opacity: 0.5; }
.travel-chapter-no {
  font-family: var(--font-serif);
  letter-spacing: 0.42em;
  font-size: 13px;
  color: var(--gold-light);
  margin-bottom: 10px;
}
.travel-hero h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 900; letter-spacing: 0.08em; margin-bottom: 8px; }
.travel-subtitle { font-family: var(--font-serif); font-size: clamp(15px, 1.9vw, 18px); color: rgba(251, 250, 247, 0.78); margin-bottom: 30px; }
.travel-meta { display: grid; gap: 10px; max-width: 460px; }
.travel-meta li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  font-size: 14.5px;
  color: rgba(251, 250, 247, 0.85);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(251, 250, 247, 0.14);
}
.travel-meta li span { letter-spacing: 0.24em; color: var(--wood); font-size: 12.5px; }
.travel-hero-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(231, 236, 229, 0.85);
}
.travel-hero-scene .travel-scene-svg { width: min(320px, 90%); }
.travel-hero-scene .sc-accent { stroke: var(--gold-light); }

.travel-body { padding: 72px 0 88px; }
.travel-intro {
  font-size: clamp(15.5px, 1.9vw, 17.5px);
  line-height: 2.1;
  color: var(--ink);
  margin-bottom: 56px;
}

/* ===== 一日動線時間軸（簡約日式縱向時間軸） ===== */
.dayplan { margin-bottom: 72px; }
.dayplan-head, .spots-head {
  font-size: clamp(20px, 2.4vw, 25px);
  letter-spacing: 0.14em;
  margin-bottom: 30px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.dayplan-head span, .spots-head span {
  font-size: 11.5px;
  letter-spacing: 0.4em;
  color: var(--gold);
  font-family: var(--font-sans);
  font-weight: 700;
}
.spots-head { margin-bottom: 8px; }
.dayplan-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 6px;
  position: relative;
}
.dayplan-list::before { /* 時間軸主線 */
  content: "";
  position: absolute;
  left: 86px;
  top: 10px; bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--wood), rgba(79, 99, 82, 0.35));
}
.dayplan-list li {
  display: grid;
  grid-template-columns: 64px 44px 1fr;
  align-items: baseline;
  padding: 13px 0;
}
.dayplan-time {
  font-family: var(--font-serif);
  font-size: 16.5px;
  letter-spacing: 0.08em;
  color: var(--fern-deep);
  text-align: right;
}
.dayplan-list li::after { /* 軸點 */
  content: "";
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  align-self: center;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--fern);
}
.dayplan-body { grid-column: 3; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.dayplan-body strong { font-size: 16px; letter-spacing: 0.06em; color: var(--ink); }
.dayplan-body small { font-size: 13px; color: var(--ink-soft); }
.spot-list { margin: 0 0 64px; padding: 0; list-style: none; display: grid; gap: 0; counter-reset: spot; }
.spot {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  padding: 30px 0;
  border-top: 1px solid rgba(35, 38, 45, 0.12);
}
.spot:last-child { border-bottom: 1px solid rgba(35, 38, 45, 0.12); }
.spot-no {
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--wood);
  line-height: 1.1;
}
.spot-body h3 { font-size: 19.5px; letter-spacing: 0.08em; margin-bottom: 8px; }
.spot-body p { font-size: 15px; color: var(--ink-soft); margin-bottom: 10px; max-width: 62ch; }
.spot-photo {
  margin: 16px 0 18px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-soft);
}
.spot-photo img { width: 100%; height: clamp(200px, 32vw, 360px); object-fit: cover; }
.spot-photo figcaption {
  position: absolute;
  left: 0; bottom: 0; right: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 16px;
  background: linear-gradient(180deg, transparent, rgba(21, 24, 30, 0.78));
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.14em;
  padding: 26px 16px 10px;
}
.spot-photo figcaption small { font-size: 10.5px; letter-spacing: 0.04em; opacity: 0.72; }
.spot-tip {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px !important;
  color: var(--fern-deep) !important;
  background: var(--fern-mist);
  border-radius: 10px;
  padding: 10px 16px;
  margin: 0 !important;
}
.spot-tip span { flex: none; font-weight: 700; letter-spacing: 0.18em; font-size: 12px; color: var(--fern); }

.travel-stay {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--marble-black);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 38px 40px;
  margin-bottom: 56px;
}
.travel-stay-eyebrow { font-size: 12px; letter-spacing: 0.32em; color: var(--wood); margin-bottom: 8px; }
.travel-stay h2 { font-size: clamp(19px, 2.4vw, 24px); letter-spacing: 0.08em; margin-bottom: 8px; }
.travel-stay p { font-size: 14px; color: rgba(251, 250, 247, 0.72); margin: 0; max-width: 48ch; }

.travel-pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
}
.pager-item {
  border: 1px solid rgba(35, 38, 45, 0.16);
  border-radius: 12px;
  padding: 16px 20px;
  display: grid;
  gap: 4px;
  transition: border-color 0.2s, background 0.2s;
}
.pager-item:hover { border-color: var(--fern); background: var(--fern-mist); }
.pager-label { font-size: 11.5px; letter-spacing: 0.3em; color: var(--ink-soft); }
.pager-title { font-family: var(--font-serif); font-size: 15.5px; letter-spacing: 0.06em; color: var(--ink); }
.pager-prev { text-align: left; }
.pager-index { text-align: center; align-content: center; }
.pager-next { text-align: right; }
.travel-footer { margin-top: 0; }
.footer-logo-img { width: 64px; height: auto; margin-bottom: 14px; opacity: 0.9; }

/* ===== 交通位置 ===== */
.access-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: stretch;
}
.access-map {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 380px;
  border: 1px solid var(--marble-black-vein);
}
.access-map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; }
.access-info h3 {
  font-size: 24px;
  letter-spacing: 0.14em;
  color: var(--gold-light);
  margin-bottom: 20px;
}
.access-list { display: grid; gap: 16px; }
.access-list li { display: grid; grid-template-columns: 86px 1fr; gap: 10px; font-size: 14.5px; }
.access-list strong {
  color: var(--ocean-foam);
  font-weight: 700;
  letter-spacing: 0.2em;
}
.access-list a { color: #fff; border-bottom: 1px dashed rgba(255, 255, 255, 0.35); }
.access-list a:hover { border-bottom-style: solid; }
.access-list span { color: rgba(233, 232, 228, 0.8); }

/* ===== FAQ ===== */
.faq-list { display: grid; gap: 14px; }
.faq-list details {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 0;
  overflow: hidden;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  position: relative;
  padding-right: 52px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 24px; top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 22px;
  font-weight: 400;
  transition: transform 0.25s ease;
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-list details p { padding: 0 24px 22px; margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* ===== 頁尾 ===== */
.site-footer {
  background: var(--marble-black);
  color: rgba(233, 232, 228, 0.8);
  padding-top: 64px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  padding-bottom: 44px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 14px; margin-bottom: 6px; }
.footer-brand a { color: var(--ocean-foam); }
.footer-links { display: grid; gap: 12px; align-content: start; }
.footer-links a {
  font-size: 14.5px;
  letter-spacing: 0.08em;
  opacity: 0.85;
  transition: opacity 0.2s, color 0.2s;
}
.footer-links a:hover { opacity: 1; color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid var(--marble-black-vein);
  text-align: center;
  padding: 20px 0;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: rgba(233, 232, 228, 0.45);
}
.footer-bottom p { margin: 0; }

/* ===== 行動版固定訂房列 ===== */
.mobile-book-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(21, 24, 30, 0.92);
  backdrop-filter: blur(10px);
}
.mobile-book-bar .btn { width: 100%; }

/* ===== 進場動畫（僅在 JS 啟用時隱藏初始態，無 JS 時內容照常顯示） ===== */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .whale-shark, .fish, .bubbles span, .ocean-caustics { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== RWD ===== */
@media (max-width: 1024px) {
  .aqua-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .access-grid { grid-template-columns: 1fr; }
  .garden-grid { grid-template-columns: 1fr; gap: 28px; }
  .travel-rail { grid-auto-columns: min(680px, 92%); }
  .travel-hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .travel-hero-scene { order: -1; }
  .travel-hero-scene .travel-scene-svg { width: min(220px, 70%); }
}
@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(21, 24, 30, 0.97);
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 20px;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav a { padding: 13px 4px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
  .header-cta { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-left: auto;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
  }
  .nav-toggle span {
    width: 24px; height: 2px;
    background: #fff;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-book-bar { display: block; }
  .section { padding: 72px 0; }
  .hero-inner { padding-bottom: 140px; }
  body { padding-bottom: 66px; }
}
@media (max-width: 560px) {
  .aqua-grid { grid-template-columns: 1fr; }
  .booking-bar { padding: 14px; }
  .booking-field { flex-basis: 100%; }
  .booking-submit { flex-basis: 100%; }
  .access-list li { grid-template-columns: 1fr; gap: 2px; }
  .travel-panel-link { grid-template-columns: 1fr; }
  .travel-scene { min-height: 190px; }
  .travel-panel-body { padding: 24px 22px; }
  .travel-toolbar { flex-direction: column; align-items: flex-start; }
  .spot { grid-template-columns: 50px 1fr; gap: 14px; }
  .travel-pager { grid-template-columns: 1fr; }
  .pager-prev, .pager-next, .pager-index { text-align: left; }
  .travel-stay { padding: 28px 24px; }
  .travel-nav-links { display: none; }
}