:root {
  --bg: #080909;
  --panel: #111313;
  --panel-2: #181b1a;
  --text: #f7f7f2;
  --muted: #a7aaa1;
  --soft: #d8ded1;
  --line: rgba(255, 255, 255, .12);
  --green: #c8ff24;
  --coral: #ff5a36;
  --blue: #72d7ff;
  --ink: #050505;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 80%);
  transform: translateZ(0);
  z-index: 0;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
section { position: relative; z-index: 1; scroll-margin-top: 130px; }

/* ===== Marquee 跑馬燈 ===== */
.marquee {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  background: var(--green);
  color: var(--ink);
  overflow: hidden;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 9px 0;
}
.marquee-track {
  display: inline-flex;
  gap: 44px;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
  will-change: transform;
  padding-left: 44px;
}
.marquee-track span::after { content: "　✦"; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 36px;
  left: 0; right: 0;
  z-index: 20;
  background: rgba(8, 9, 9, .94);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 74px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  white-space: nowrap;
}
.brand-mark {
  width: 14px;
  height: 14px;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(200,255,36,.14);
}
.nav-toggle { display: none; }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}
.nav-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  color: var(--soft);
  font-size: 14px;
  border: 1px solid transparent;
}
.nav-links a:hover {
  color: var(--green);
  border-color: var(--line);
  background: rgba(255,255,255,.04);
}
.nav-links a.active { color: var(--green); border-color: var(--line); }
.nav-links .primary {
  color: var(--ink);
  background: var(--green);
  border-color: var(--green);
  font-weight: 800;
}
.nav-links .primary:hover {
  color: var(--ink);
  background: var(--blue);
  border-color: var(--blue);
}

/* ===== Hero（首頁）===== */
.hero {
  min-height: 92vh;
  padding: 180px 22px 54px;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(90deg, rgba(8,9,9,.96) 0%, rgba(8,9,9,.74) 42%, rgba(8,9,9,.22) 100%),
    linear-gradient(180deg, rgba(8,9,9,.18) 0%, rgba(8,9,9,.92) 100%),
    url("img/hero-flip.jpg") center 32% / cover no-repeat;
}
.hero-inner {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 42px;
  align-items: end;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-weight: 800;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 38px;
  height: 3px;
  background: var(--green);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: 60px;
  line-height: 1.08;
  font-weight: 950;
}
h1 > span { display: block; }
h1 .highlight { display: inline; }
.hero-lead {
  max-width: 610px;
  margin-bottom: 34px;
  color: var(--soft);
  font-size: 19px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-weight: 850;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); border-color: var(--green); }
.btn-main {
  background: var(--green);
  color: var(--ink);
  border-color: var(--green);
}
.btn-main:hover { background: var(--blue); border-color: var(--blue); }
.hero-panel {
  background: rgba(17,19,19,.86);
  border: 1px solid var(--line);
  padding: 22px;
}
.quick-stat {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.quick-stat:last-child { border-bottom: 0; }
.quick-stat strong {
  color: var(--green);
  font-size: 26px;
  line-height: 1;
}
.quick-stat span { color: var(--muted); font-size: 14px; }

/* ===== 內頁標題 ===== */
.page-head {
  padding: 196px 22px 64px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #101112, var(--bg));
}
.page-head .container { max-width: var(--max); margin: 0 auto; }
.page-head h1 { font-size: 52px; margin-bottom: 14px; }
.page-head .section-sub { font-size: 17px; }

/* ===== 內頁 hero 大圖 ===== */
.page-hero-media { padding: 26px 22px 0; }
.page-hero-media .container { max-width: var(--max); margin: 0 auto; }
.page-hero-media figure { margin: 0; }
.page-hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center 42%;
  border: 1px solid var(--line);
}
.page-hero-media figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

/* ===== 影片區塊 ===== */
.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--line);
  overflow: hidden;
}
.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-bleed {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  border-left: 0;
  border-right: 0;
}
/* 點擊才載入的影片縮圖（首屏不拖慢） */
.video-facade { cursor: pointer; }
.video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  font-size: 30px;
  padding-left: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .2s ease;
}
.video-facade:hover .video-play {
  background: var(--green);
  color: #000;
  transform: translate(-50%, -50%) scale(1.08);
}

/* ===== Section 通用 ===== */
.section { padding: 92px 22px; }
.container { max-width: var(--max); margin: 0 auto; }
.section-head {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 28px;
  margin-bottom: 34px;
  align-items: start;
}
.section-num {
  color: var(--green);
  font-weight: 950;
  font-size: 54px;
  line-height: 1;
}
h2 {
  margin-bottom: 10px;
  font-size: 46px;
  line-height: 1.08;
}
.section-sub {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
}
.highlight { color: var(--green); }
.warm { color: var(--coral); }
.cool { color: var(--blue); }

/* ===== 課程卡 ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.course-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease;
}
a.course-card:hover { transform: translateY(-3px); border-color: var(--green); }
.course-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.course-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.course-kicker,
.small-label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}
.course-card h3 {
  margin: 8px 0 12px;
  font-size: 25px;
  line-height: 1.16;
}
.course-card p {
  margin-bottom: 18px;
  color: var(--soft);
  font-size: 15px;
}
.course-meta {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 6px 10px;
  background: rgba(200,255,36,.12);
  border: 1px solid rgba(200,255,36,.25);
  color: var(--green);
  font-size: 13px;
  font-weight: 750;
}
.card-go {
  margin-top: auto;
  color: var(--green);
  font-weight: 850;
  font-size: 14px;
}

/* ===== 安全區 ===== */
.safety { background: linear-gradient(180deg, var(--bg), #101112); }
.safety-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: stretch;
}
.safety-photo {
  min-height: 560px;
  background: url("img/coach-protect.jpg") center / cover no-repeat;
  border: 1px solid var(--line);
}
.safety-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.safety-item {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.safety-item.safety-item-wide {
  grid-column: 1 / -1;
}
.safety-item h3 {
  margin: 12px 0 10px;
  font-size: 24px;
}
.safety-item p {
  color: var(--soft);
  margin-bottom: 0;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

/* ===== 預約區 ===== */
.trial {
  background:
    linear-gradient(90deg, rgba(8,9,9,.94), rgba(8,9,9,.56)),
    url("img/group-warmup.jpg") center / cover no-repeat;
}
.trial-panel {
  max-width: 760px;
  padding: 44px;
  background: rgba(8,9,9,.78);
  border: 1px solid var(--line);
}
.trial h2 { font-size: 54px; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 30px;
}
.step {
  padding: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
}
.step b {
  display: block;
  color: var(--green);
  font-size: 22px;
  margin-bottom: 8px;
}
.step span {
  color: var(--soft);
  font-size: 15px;
}

/* ===== 場地與聯絡 ===== */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.location-card {
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}
.location-card iframe {
  width: 100%;
  height: 310px;
  border: 0;
  filter: grayscale(.7) contrast(1.1) brightness(.82);
}
.location-body { padding: 26px; }
.location-body h3 {
  margin: 8px 0 16px;
  font-size: 30px;
}
.info-row {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--soft);
}
.info-row b {
  color: var(--muted);
  font-size: 13px;
}
.contact-strip {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.contact-link {
  min-height: 92px;
  padding: 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}
.contact-link b { color: var(--green); }
.contact-link span { color: var(--text); font-size: 18px; font-weight: 850; }
.contact-link:hover {
  border-color: var(--green);
  background: rgba(200,255,36,.08);
}

/* ===== CTA 帶 ===== */
.cta-band {
  background: var(--green);
  color: var(--ink);
}
.cta-band .container { text-align: center; }
.cta-band h2 { color: var(--ink); }
.cta-band .section-sub { color: rgba(5,5,5,.72); margin: 0 auto 26px; }
.btn-dark {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  background: var(--ink);
  color: var(--green);
  font-weight: 850;
  border: 1px solid var(--ink);
  transition: transform .2s ease;
}
.btn-dark:hover { transform: translateY(-2px); }

/* ===== Footer ===== */
footer {
  position: relative;
  z-index: 1;
  padding: 42px 22px;
  background: var(--ink);
  border-top: 1px solid var(--line);
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}
.footer-nav {
  max-width: var(--max);
  margin: 0 auto 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 14px;
}
.footer-nav a { color: var(--soft); }
.footer-nav a:hover { color: var(--green); }

/* ===== 手機黏底 CTA ===== */
.sticky-cta { display: none; }
@media (max-width: 768px) {
  .sticky-cta {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 40;
    display: flex;
    gap: 10px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(8,9,9,.97);
    border-top: 1px solid var(--line);
  }
  .sticky-cta .call {
    flex: 1;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 13px; font-weight: 750;
    padding: 13px 0;
  }
  .sticky-cta .book {
    flex: 1.6;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--green);
    color: var(--ink);
    font-size: 14px; font-weight: 850;
    padding: 13px 0;
  }
  body { padding-bottom: 74px; }
}

/* ===== RWD ===== */
@media (max-width: 980px) {
  .nav-inner { align-items: flex-start; padding-top: 14px; padding-bottom: 14px; }
  .nav-links { max-width: 560px; }
  .hero { padding-top: 200px; }
  .hero-inner,
  .safety-layout,
  .locations-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: 1fr; }
  .safety-photo { min-height: 360px; }
}

@media (max-width: 720px) {
  .nav { position: fixed; }
  .nav-inner { min-height: 56px; flex-wrap: nowrap; position: relative; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    font-size: 24px;
    color: var(--soft);
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--line);
    cursor: pointer;
    flex: none;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(8, 9, 9, .98);
    border-bottom: 1px solid var(--line);
    padding: 10px 18px 18px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }
  .nav-toggle-cb:checked ~ .nav-links { display: flex; }
  .nav-links a { width: 100%; font-size: 16px; min-height: 46px; }
  .nav-inner .has-sub .sub-menu {
    display: block;
    position: static;
    min-width: 0;
    border: 0;
    border-left: 2px solid var(--line);
    margin: 2px 0 6px 12px;
    padding: 0 0 0 8px;
    background: transparent;
  }
  .nav-inner .sub-menu a { font-size: 15px; min-height: 42px; color: var(--muted); }
  .hero { min-height: auto; padding-top: 150px; }
  h1 { font-size: 40px; }
  .page-head h1 { font-size: 36px; }
  .page-head { padding-top: 160px; }
  h2, .trial h2 { font-size: 34px; }
  .section { padding: 70px 18px; }
  .section-head { grid-template-columns: 1fr; gap: 12px; }
  .section-num { font-size: 38px; }
  .courses-grid,
  .safety-list,
  .steps,
  .contact-strip { grid-template-columns: 1fr; }
  .trial-panel { padding: 28px; }
  .info-row { grid-template-columns: 72px 1fr; }
}


/* ===== 首屏年齡分流 ===== */
.age-split {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 26px;
  max-width: 760px;
}
.age-card {
  padding: 14px 16px;
  background: rgba(17,19,19,.85);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color .2s ease, transform .2s ease;
}
.age-card:hover { border-color: var(--green); transform: translateY(-2px); }
.age-card b { color: var(--green); font-size: 15px; line-height: 1.3; }
.age-card span { color: var(--soft); font-size: 13px; }
.age-split.full { max-width: none; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 980px) {
  .age-split, .age-split.full { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .age-split.full { grid-template-columns: 1fr; }
}

/* ===== 導覽課程下拉 ===== */
.has-sub { position: relative; }
.has-sub .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: rgba(8,9,9,.98);
  border: 1px solid var(--line);
  padding: 6px;
  z-index: 25;
}
.has-sub:hover .sub-menu { display: block; }
.sub-menu a { display: flex; width: 100%; }


/* ===== 課表 ===== */
.tt-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 980px) { .tt-grid { grid-template-columns: 1fr; } }
.tt-block { background: var(--panel); border: 1px solid var(--line); padding: 24px; }
.tt-block h3 { margin: 0 0 14px; font-size: 22px; font-weight: 900; }
table.timetable { width: 100%; border-collapse: collapse; }
.timetable th { width: 52px; text-align: left; font-size: 12px; color: var(--muted); padding: 10px 8px 10px 0; border-top: 1px solid var(--line); vertical-align: top; letter-spacing: 1px; }
.timetable td { padding: 8px 0; border-top: 1px solid var(--line); }
.tt-chip { display: inline-flex; margin: 2px 6px 2px 0; padding: 4px 10px; font-size: 12px; font-weight: 750; border: 1px solid;  white-space: nowrap; }
.c-pre   { color: #c9a7ff; border-color: rgba(201,167,255,.45); background: rgba(201,167,255,.08); }
.c-kid   { color: #ff7ba1; border-color: rgba(255,123,161,.45); background: rgba(255,123,161,.08); }
.c-flip  { color: var(--green); border-color: rgba(200,255,36,.4); background: rgba(200,255,36,.08); }
.c-adult { color: #ffb01f; border-color: rgba(255,176,31,.45); background: rgba(255,176,31,.08); }
.tt-rest { color: var(--muted); }
.tt-legend { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.tt-note { font-size: 13px; color: var(--muted); margin-top: 14px; }