/* ============================================================
   1229 · GA BÀI VIỆT — Metro wayfinding style
   Light gray + ink + multicolor route lines, station dot motifs
   ============================================================ */

:root {
  --ga-ink: #20242c;
  --ga-ink-2: #2a303a;
  --ga-ink-soft: #3c4450;
  --ga-paper: #f7f8fa;
  --ga-white: #ffffff;
  --ga-line: #e3e6eb;
  --ga-text: #363c46;
  --ga-text-mute: #6b7280;
  --ga-red: #e11d48;
  --ga-red-deep: #be123c;
  --ga-c1: #e11d48;
  --ga-c2: #2563eb;
  --ga-c3: #059669;
  --ga-c4: #d97706;
  --ga-c5: #7c3aed;
  --ga-c6: #0891b2;
  --ga-c7: #ea580c;
  --ga-c8: #475569;
  --ga-shadow: 0 10px 30px rgba(32, 36, 44, .1);
  --ga-font: "Rubik", "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ga-sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ga-shell: 1200px;
  --ga-radius: 12px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body.ga-body {
  font-family: var(--ga-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ga-text);
  background: var(--ga-paper);
  min-height: 100vh;
  overflow-x: hidden;
}

img {height:auto; display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.ga-shell { width: 100%; max-width: var(--ga-shell); margin: 0 auto; padding: 0 24px; }

.ga-skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  padding: 10px 16px; background: var(--ga-red); color: #fff;
  font-weight: 700; border-radius: 0 0 var(--ga-radius) 0;
}
.ga-skip:focus { left: 0; }

/* ---------- Route strip & dots & track ---------- */
.ga-route-strip { display: flex; height: 5px; }
.ga-route-strip i { flex: 1; }
.ga-route-strip i:nth-child(1) { background: var(--ga-c1); }
.ga-route-strip i:nth-child(2) { background: var(--ga-c2); }
.ga-route-strip i:nth-child(3) { background: var(--ga-c3); }
.ga-route-strip i:nth-child(4) { background: var(--ga-c4); }
.ga-route-strip i:nth-child(5) { background: var(--ga-c5); }
.ga-route-strip i:nth-child(6) { background: var(--ga-c6); }
.ga-route-strip i:nth-child(7) { background: var(--ga-c7); }
.ga-route-strip i:nth-child(8) { background: var(--ga-c8); }

.ga-route-strip::before { content: ""; flex: 1; background: var(--ga-ink); }

.ga-dot {
  display: inline-block; width: 9px; height: 9px; flex: 0 0 auto;
  border-radius: 50%; background: var(--ga-c1);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, .16);
}
.ga-d0 { background: var(--ga-ink); box-shadow: 0 0 0 3px rgba(32, 36, 44, .14); }
.ga-d1 { background: var(--ga-c1); box-shadow: 0 0 0 3px rgba(225, 29, 72, .16); }
.ga-d2 { background: var(--ga-c2); box-shadow: 0 0 0 3px rgba(37, 99, 235, .16); }
.ga-d3 { background: var(--ga-c3); box-shadow: 0 0 0 3px rgba(5, 150, 105, .16); }
.ga-d4 { background: var(--ga-c4); box-shadow: 0 0 0 3px rgba(217, 119, 6, .18); }

.ga-nav-list li:nth-child(3) .ga-dot { background: var(--ga-c1); box-shadow: 0 0 0 3px rgba(225, 29, 72, .16); }
.ga-nav-list li:nth-child(4) .ga-dot { background: var(--ga-c2); box-shadow: 0 0 0 3px rgba(37, 99, 235, .16); }
.ga-nav-list li:nth-child(5) .ga-dot { background: var(--ga-c3); box-shadow: 0 0 0 3px rgba(5, 150, 105, .16); }
.ga-nav-list li:nth-child(6) .ga-dot { background: var(--ga-c4); box-shadow: 0 0 0 3px rgba(217, 119, 6, .18); }
.ga-nav-list li:nth-child(7) .ga-dot { background: var(--ga-c5); box-shadow: 0 0 0 3px rgba(124, 58, 237, .16); }
.ga-nav-list li:nth-child(8) .ga-dot { background: var(--ga-c6); box-shadow: 0 0 0 3px rgba(8, 145, 178, .16); }
.ga-nav-list li:nth-child(9) .ga-dot { background: var(--ga-c7); box-shadow: 0 0 0 3px rgba(234, 88, 12, .16); }
.ga-nav-list li:nth-child(10) .ga-dot { background: var(--ga-c8); box-shadow: 0 0 0 3px rgba(71, 85, 105, .16); }

.ga-card-cat .ga-dot { width: 8px; height: 8px; box-shadow: none; }
.ga-card-cat i:nth-child(1) { }
.ga-grid > article:nth-child(8n+1) .ga-card-cat .ga-dot { background: var(--ga-c1); }
.ga-grid > article:nth-child(8n+2) .ga-card-cat .ga-dot { background: var(--ga-c2); }
.ga-grid > article:nth-child(8n+3) .ga-card-cat .ga-dot { background: var(--ga-c3); }
.ga-grid > article:nth-child(8n+4) .ga-card-cat .ga-dot { background: var(--ga-c4); }
.ga-grid > article:nth-child(8n+5) .ga-card-cat .ga-dot { background: var(--ga-c5); }
.ga-grid > article:nth-child(8n+6) .ga-card-cat .ga-dot { background: var(--ga-c6); }
.ga-grid > article:nth-child(8n+7) .ga-card-cat .ga-dot { background: var(--ga-c7); }
.ga-grid > article:nth-child(8n+8) .ga-card-cat .ga-dot { background: var(--ga-c8); }

.ga-track { position: relative; height: 14px; margin: 14px 0; }
.ga-track::before { content: ""; position: absolute; left: 0; right: 0; top: 5.5px; height: 3px; border-radius: 2px; background: var(--ga-line); }
.ga-track i { position: absolute; top: 1px; width: 12px; height: 12px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 2px currentColor; background: currentColor; }
.ga-track i:nth-child(1) { left: 6%; color: var(--ga-c1); }
.ga-track i:nth-child(2) { left: 26%; color: var(--ga-c2); }
.ga-track i:nth-child(3) { left: 46%; color: var(--ga-c3); }
.ga-track i:nth-child(4) { left: 66%; color: var(--ga-c4); }
.ga-track i:nth-child(5) { left: 86%; color: var(--ga-c5); }

/* ---------- Header ---------- */
.ga-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--ga-line);
}
.ga-header-in { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 78px; }
.ga-brand { flex: 0 0 auto; display: block; }
.ga-brand-img { width: 192px; height: auto; }

.ga-nav-list { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.ga-nav-a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 11px; font-size: 14px; font-weight: 600;
  color: var(--ga-text); white-space: nowrap; border-radius: 8px;
  transition: color .16s, background .16s;
}
.ga-nav-a:hover { color: var(--ga-ink); background: var(--ga-paper); }
.ga-nav-a.is-active { color: #fff; background: var(--ga-ink); }
.ga-nav-a.is-active .ga-dot { box-shadow: 0 0 0 3px rgba(255, 255, 255, .25); }

.ga-burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 46px; height: 46px; padding: 0 11px;
  border: 0; border-radius: 10px; background: var(--ga-ink);
}
.ga-burger span { display: block; height: 2px; width: 100%; background: #fff; border-radius: 2px; transition: transform .22s, opacity .22s; }
.ga-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ga-burger.is-open span:nth-child(2) { opacity: 0; }
.ga-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile departure board ---------- */
.ga-board {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  max-height: 0; overflow: hidden;
  background: var(--ga-white);
  transition: max-height .32s ease;
}
.ga-board.is-open { max-height: 86vh; overflow-y: auto; box-shadow: 0 24px 48px rgba(32, 36, 44, .2); }
.ga-board-body { padding: 16px 24px 26px; }
.ga-board-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 12px; border-bottom: 2px solid var(--ga-ink); }
.ga-board-title { font-family: var(--ga-font); font-size: 15px; font-weight: 800; letter-spacing: .18em; color: var(--ga-ink); }
.ga-board-close {
  width: 42px; height: 42px; font-size: 26px; line-height: 1;
  border: 2px solid var(--ga-line); border-radius: 10px; color: var(--ga-ink);
}
.ga-board-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; padding: 14px 0 6px; }
.ga-board-list a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border: 1px solid var(--ga-line); border-left-width: 4px; border-radius: 10px;
  color: var(--ga-text); background: var(--ga-paper);
  transition: border-color .16s, color .16s;
}
.ga-board-list a:hover, .ga-board-list a:focus-visible { color: var(--ga-ink); border-color: var(--ga-ink); }
.ga-board-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; flex: 0 0 auto;
  border-radius: 50%; color: #fff;
  font-family: var(--ga-font); font-size: 12px; font-weight: 700;
}
.ga-b0 { background: var(--ga-ink); }
.ga-board-list li:nth-child(2) a { border-left-color: var(--ga-c1); }
.ga-board-list li:nth-child(2) .ga-board-no { background: var(--ga-c1); }
.ga-board-list li:nth-child(3) a { border-left-color: var(--ga-c2); }
.ga-board-list li:nth-child(3) .ga-board-no { background: var(--ga-c2); }
.ga-board-list li:nth-child(4) a { border-left-color: var(--ga-c3); }
.ga-board-list li:nth-child(4) .ga-board-no { background: var(--ga-c3); }
.ga-board-list li:nth-child(5) a { border-left-color: var(--ga-c4); }
.ga-board-list li:nth-child(5) .ga-board-no { background: var(--ga-c4); }
.ga-board-list li:nth-child(6) a { border-left-color: var(--ga-c5); }
.ga-board-list li:nth-child(6) .ga-board-no { background: var(--ga-c5); }
.ga-board-list li:nth-child(7) a { border-left-color: var(--ga-c6); }
.ga-board-list li:nth-child(7) .ga-board-no { background: var(--ga-c6); }
.ga-board-list li:nth-child(8) a { border-left-color: var(--ga-c7); }
.ga-board-list li:nth-child(8) .ga-board-no { background: var(--ga-c7); }
.ga-board-list li:nth-child(9) a { border-left-color: var(--ga-c8); }
.ga-board-list li:nth-child(9) .ga-board-no { background: var(--ga-c8); }
.ga-board-name { flex: 1; font-weight: 600; font-size: 15px; }
.ga-board-list b { color: var(--ga-text-mute); font-weight: 400; }
.ga-board-note { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--ga-line); font-size: 12.5px; color: var(--ga-text-mute); }

/* ---------- Buttons ---------- */
.ga-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px;
  font-size: 14.5px; font-weight: 700; letter-spacing: .01em;
  border: 2px solid transparent;
  transition: background .18s, color .18s, transform .18s, border-color .18s;
}
.ga-btn b { font-weight: 700; transition: transform .18s; }
.ga-btn:hover b { transform: translateX(3px); }
.ga-btn-ink { background: var(--ga-ink); color: #fff; }
.ga-btn-ink:hover { background: var(--ga-ink-2); transform: translateY(-2px); }
.ga-btn-red { background: var(--ga-red); color: #fff; }
.ga-btn-red:hover { background: var(--ga-red-deep); transform: translateY(-2px); }
.ga-btn-line { background: transparent; color: var(--ga-ink); border-color: var(--ga-ink); }
.ga-btn-line:hover { background: var(--ga-ink); color: #fff; }

/* ---------- Sections & heads ---------- */
.ga-section { padding: 72px 0; }
.ga-section-gray { background: #eef0f4; border-top: 1px solid var(--ga-line); border-bottom: 1px solid var(--ga-line); }
.ga-head { margin-bottom: 40px; }
.ga-head-center { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.ga-head-split { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.ga-kicker {
  font-family: var(--ga-font); font-size: 12.5px; font-weight: 700;
  letter-spacing: .22em; color: var(--ga-text-mute); margin-bottom: 12px;
}
.ga-kicker-red { color: var(--ga-red); }
.ga-h2 {
  font-family: var(--ga-font); font-size: clamp(26px, 3.2vw, 36px); font-weight: 800;
  line-height: 1.22; color: var(--ga-ink); letter-spacing: -.01em; margin-bottom: 14px;
}
.ga-head-desc { color: var(--ga-text-mute); font-size: 15.5px; }
.ga-more { color: var(--ga-red); font-weight: 600; font-size: 13.5px; }
.ga-more b { font-weight: 600; }
.ga-chip {
  display: inline-block; padding: 3px 10px;
  border-radius: 999px; background: var(--ga-ink); color: #fff;
  font-size: 11.5px; font-weight: 600; letter-spacing: .06em;
}

/* ---------- Hero ---------- */
.ga-hero { padding: 60px 0 72px; }
.ga-hero-in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.ga-hero-kicker { display: flex; align-items: center; gap: 10px; font-family: var(--ga-font); font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--ga-text-mute); margin-bottom: 16px; }
.ga-hero-title {
  font-family: var(--ga-font); font-size: clamp(30px, 4vw, 46px); font-weight: 800;
  line-height: 1.15; color: var(--ga-ink); letter-spacing: -.014em; margin-bottom: 20px;
  text-wrap: balance;
}
.ga-hero-desc { color: var(--ga-text-mute); font-size: 16.5px; max-width: 54ch; margin-bottom: 28px; }
.ga-hero-acts { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.ga-hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ga-hero-stats li { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); }
.ga-hero-stats strong { display: block; font-family: var(--ga-font); font-size: 21px; font-weight: 800; color: var(--ga-ink); line-height: 1.15; }
.ga-hero-stats span { font-size: 12.5px; color: var(--ga-text-mute); }

.ga-hero-fig { position: relative; background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); padding: 12px; box-shadow: var(--ga-shadow); }
.ga-fig-tag {
  position: absolute; top: -14px; left: 18px; z-index: 2;
  padding: 3px 14px; background: var(--ga-ink); color: #fff; border-radius: 8px;
  font-family: var(--ga-font); font-size: 12px; font-weight: 700; letter-spacing: .14em;
}
.ga-hero-fig img { width: 100%; border-radius: 8px; }
.ga-fig-track { margin: 14px 0 4px; }
.ga-hero-cap { display: flex; align-items: center; gap: 10px; margin-top: 4px; font-size: 13px; font-weight: 600; color: var(--ga-text-mute); }

/* ---------- Category route cards ---------- */
.ga-lines { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ga-line {
  display: flex; flex-direction: column; height: 100%;
  background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius);
  overflow: hidden; box-shadow: 0 2px 8px rgba(32, 36, 44, .05);
  transition: transform .2s, box-shadow .2s;
}
.ga-line:hover { transform: translateY(-4px); box-shadow: var(--ga-shadow); }
.ga-line-bar { display: block; height: 5px; }
.ga-lines li:nth-child(8n+1) .ga-line-bar { background: var(--ga-c1); }
.ga-lines li:nth-child(8n+2) .ga-line-bar { background: var(--ga-c2); }
.ga-lines li:nth-child(8n+3) .ga-line-bar { background: var(--ga-c3); }
.ga-lines li:nth-child(8n+4) .ga-line-bar { background: var(--ga-c4); }
.ga-lines li:nth-child(8n+5) .ga-line-bar { background: var(--ga-c5); }
.ga-lines li:nth-child(8n+6) .ga-line-bar { background: var(--ga-c6); }
.ga-lines li:nth-child(8n+7) .ga-line-bar { background: var(--ga-c7); }
.ga-lines li:nth-child(8n+8) .ga-line-bar { background: var(--ga-c8); }
.ga-line-media { position: relative; display: block; }
.ga-line-media img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; }
.ga-line-no {
  position: absolute; top: 10px; right: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255, 255, 255, .94); color: var(--ga-ink);
  font-family: var(--ga-font); font-style: normal; font-size: 13px; font-weight: 800;
}
.ga-lines li:nth-child(8n+1) .ga-line-no { color: var(--ga-c1); }
.ga-lines li:nth-child(8n+2) .ga-line-no { color: var(--ga-c2); }
.ga-lines li:nth-child(8n+3) .ga-line-no { color: var(--ga-c3); }
.ga-lines li:nth-child(8n+4) .ga-line-no { color: var(--ga-c4); }
.ga-lines li:nth-child(8n+5) .ga-line-no { color: var(--ga-c5); }
.ga-lines li:nth-child(8n+6) .ga-line-no { color: var(--ga-c6); }
.ga-lines li:nth-child(8n+7) .ga-line-no { color: var(--ga-c7); }
.ga-lines li:nth-child(8n+8) .ga-line-no { color: var(--ga-c8); }
.ga-line-body { display: flex; flex-direction: column; gap: 8px; padding: 16px 16px 18px; flex: 1; }
.ga-line-name { font-family: var(--ga-font); font-size: 17px; font-weight: 700; color: var(--ga-ink); }
.ga-line-desc { font-size: 13.5px; color: var(--ga-text-mute); flex: 1; }
.ga-line-go { font-size: 13px; font-weight: 600; color: var(--ga-red); }
.ga-line-go b { font-weight: 600; }

/* ---------- Spotlight: platform + stations ---------- */
.ga-spot { display: grid; grid-template-columns: 1.1fr .9fr; grid-auto-rows: 1fr; gap: 18px; }
.ga-platform { grid-row: 1 / span 2; background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); overflow: hidden; box-shadow: 0 2px 8px rgba(32, 36, 44, .05); }
.ga-platform a { display: flex; flex-direction: column; height: 100%; }
.ga-platform-media { display: block; }
.ga-platform-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.ga-platform-body { display: flex; flex-direction: column; gap: 12px; padding: 22px 24px 26px; flex: 1; }
.ga-platform-title { font-family: var(--ga-font); font-size: clamp(20px, 2.2vw, 26px); font-weight: 800; line-height: 1.28; color: var(--ga-ink); }
.ga-platform-desc { color: var(--ga-text-mute); font-size: 15px; }
.ga-platform-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--ga-line); font-size: 12.5px; color: var(--ga-text-mute); }

.ga-station { background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); overflow: hidden; transition: transform .18s, box-shadow .18s; }
.ga-station:hover { transform: translateY(-3px); box-shadow: var(--ga-shadow); }
.ga-station a { display: grid; grid-template-columns: 96px 1fr; gap: 14px; height: 100%; padding: 12px; align-items: center; }
.ga-station-media img { width: 96px; height: 76px; object-fit: cover; border-radius: 8px; }
.ga-station-body { min-width: 0; }
.ga-station-title { display: block; font-size: 14.5px; font-weight: 700; color: var(--ga-ink); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ga-station-meta { display: flex; gap: 10px; margin-top: 5px; font-size: 11.5px; color: var(--ga-text-mute); }
.ga-station-meta i { font-style: normal; color: var(--ga-red); font-weight: 600; }

/* ---------- Latest cards ---------- */
.ga-grid { display: grid; gap: 20px; }
.ga-grid-4 { grid-template-columns: repeat(4, 1fr); }
.ga-card { background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); overflow: hidden; transition: transform .18s, box-shadow .18s; }
.ga-card:hover { transform: translateY(-3px); box-shadow: var(--ga-shadow); }
.ga-card-link { display: flex; flex-direction: column; height: 100%; }
.ga-card-media { position: relative; display: block; }
.ga-card-media img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; }
.ga-card-time {
  position: absolute; top: 10px; right: 10px;
  padding: 3px 10px; background: var(--ga-ink); color: #fff;
  font-family: var(--ga-font); font-style: normal; font-size: 11.5px; font-weight: 700; border-radius: 6px;
}
.ga-card-body { display: flex; flex-direction: column; gap: 8px; padding: 16px 16px 18px; flex: 1; }
.ga-card-cat { display: flex; align-items: center; gap: 7px; font-size: 11.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ga-text-mute); }
.ga-card-title { font-size: 15.5px; font-weight: 700; line-height: 1.45; color: var(--ga-ink); flex: 1; }
.ga-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 10px; border-top: 1px dashed var(--ga-line); font-size: 11.5px; color: var(--ga-text-mute); }

/* ---------- FAQ ---------- */
.ga-faq-shell { max-width: 880px; }
.ga-faq { display: grid; gap: 14px; }
.ga-faq-item { background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); transition: border-color .2s; }
.ga-faq-item[open] { border-color: var(--ga-ink); }
.ga-faq-item summary {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px; cursor: pointer; list-style: none;
  font-weight: 700; color: var(--ga-ink); font-size: 15.5px;
}
.ga-faq-item summary::-webkit-details-marker { display: none; }
.ga-faq-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; flex: 0 0 auto; border-radius: 50%; color: #fff;
  font-family: var(--ga-font); font-size: 12.5px; font-weight: 700;
}
.ga-f1 { background: var(--ga-c1); }
.ga-f2 { background: var(--ga-c2); }
.ga-f3 { background: var(--ga-c3); }
.ga-f4 { background: var(--ga-c4); }
.ga-f5 { background: var(--ga-c5); }
.ga-f6 { background: var(--ga-c6); }
.ga-faq-q { flex: 1; }
.ga-faq-ico { position: relative; width: 16px; height: 16px; flex: 0 0 auto; }
.ga-faq-ico::before, .ga-faq-ico::after { content: ""; position: absolute; background: var(--ga-ink); transition: transform .2s; }
.ga-faq-ico::before { left: 0; top: 7px; width: 16px; height: 2px; }
.ga-faq-ico::after { left: 7px; top: 0; width: 2px; height: 16px; }
.ga-faq-item[open] .ga-faq-ico::after { transform: scaleY(0); }
.ga-faq-a { padding: 0 20px 18px 68px; color: var(--ga-text-mute); font-size: 15px; }

/* ---------- About ---------- */
.ga-about { background: var(--ga-ink); color: rgba(255, 255, 255, .82); }
.ga-about-wrap { display: grid; grid-template-columns: .95fr 1.05fr; gap: 54px; align-items: center; padding: 72px 24px; }
.ga-about-media { position: relative; background: #fff; padding: 12px; border-radius: var(--ga-radius); }
.ga-about-media img { width: 100%; border-radius: 8px; }
.ga-about-cap { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--ga-text-mute); }
.ga-about-copy .ga-kicker { color: rgba(255, 255, 255, .6); }
.ga-about-title { font-family: var(--ga-font); font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: #fff; line-height: 1.22; margin-bottom: 16px; }
.ga-about-desc { color: rgba(255, 255, 255, .72); margin-bottom: 26px; }
.ga-about-chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 28px; }
.ga-about-chips li { border: 1px dashed rgba(255, 255, 255, .3); border-radius: var(--ga-radius); padding: 14px 16px; }
.ga-about-chips strong { display: block; font-family: var(--ga-font); font-size: 21px; color: #fff; }
.ga-about-chips span { font-size: 12.5px; color: rgba(255, 255, 255, .66); }

/* ---------- Breadcrumb ---------- */
.ga-crumb { border-bottom: 1px solid var(--ga-line); background: #fff; }
.ga-crumb-line { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding-top: 11px; padding-bottom: 11px; font-size: 12.5px; }
.ga-crumb a { color: var(--ga-text-mute); transition: color .16s; }
.ga-crumb a:hover { color: var(--ga-red); }
.ga-crumb-sep { color: var(--ga-red); opacity: .7; }
.ga-crumb-now { color: var(--ga-ink); font-weight: 600; }

/* ---------- Inner banner ---------- */
.ga-ibanner { background: #fff; border-bottom: 1px solid var(--ga-line); }
.ga-ibanner-in { padding: 46px 24px 36px; text-align: center; }
.ga-ibanner-kicker { font-family: var(--ga-font); font-size: 12px; font-weight: 700; letter-spacing: .2em; color: var(--ga-text-mute); margin-bottom: 10px; }
.ga-ibanner-title { font-family: var(--ga-font); font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; color: var(--ga-ink); margin-bottom: 10px; }
.ga-ibanner-desc { max-width: 640px; margin: 0 auto; color: var(--ga-text-mute); font-size: 15px; }
.ga-ibanner .ga-track { max-width: 380px; margin: 16px auto 0; }

/* ---------- Category page ---------- */
.ga-page { padding-top: 54px; padding-bottom: 72px; }
.ga-page-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.ga-page-h1 { font-family: var(--ga-font); font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; color: var(--ga-ink); margin-bottom: 12px; }
.ga-page-desc { color: var(--ga-text-mute); font-size: 15.5px; margin-bottom: 22px; }
.ga-page-acts { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.ga-other { margin-top: 56px; }
.ga-block-h {
  font-family: var(--ga-font); font-size: 14px; font-weight: 800;
  letter-spacing: .16em; text-transform: uppercase; color: var(--ga-ink);
  padding-bottom: 12px; border-bottom: 2px solid var(--ga-ink); margin-bottom: 18px;
}
.ga-other-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.ga-other-list a {
  display: flex; align-items: center; gap: 16px; padding: 15px 18px;
  border: 1px solid var(--ga-line); border-radius: var(--ga-radius);
  background: #fff; transition: border-color .18s, box-shadow .18s;
}
.ga-other-list a:hover { border-color: var(--ga-ink); box-shadow: var(--ga-shadow); }
.ga-other-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; flex: 0 0 auto; border-radius: 50%;
  background: var(--ga-paper); border: 2px solid var(--ga-ink);
  font-family: var(--ga-font); font-size: 12.5px; font-weight: 800; color: var(--ga-ink);
}
.ga-other-body { flex: 1; min-width: 0; }
.ga-other-body strong { display: block; color: var(--ga-ink); font-size: 15.5px; font-weight: 700; }
.ga-other-body span { display: block; font-size: 13px; color: var(--ga-text-mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ga-other-go { color: var(--ga-red); flex: 0 0 auto; }

/* ---------- List page ---------- */
.ga-list-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 40px; align-items: start; }
.ga-rows { display: grid; gap: 18px; margin-top: 26px; }
.ga-row { background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); overflow: hidden; transition: box-shadow .2s, border-color .2s; }
.ga-row:hover { border-color: var(--ga-ink); box-shadow: var(--ga-shadow); }
.ga-row-link { display: grid; grid-template-columns: 260px 1fr; gap: 0; height: 100%; }
.ga-row-media { display: block; }
.ga-row-media img { width: 100%; height: 100%; min-height: 170px; object-fit: cover; }
.ga-row-body { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px; }
.ga-row-meta { display: flex; gap: 14px; font-size: 11.5px; color: var(--ga-text-mute); }
.ga-row-meta i { font-style: normal; font-weight: 600; letter-spacing: .06em; display: inline-flex; align-items: center; gap: 6px; }
.ga-row-meta i b { font-weight: 400; }
.ga-row-title { font-size: 17.5px; font-weight: 700; color: var(--ga-ink); line-height: 1.4; }
.ga-row-desc { font-size: 14px; color: var(--ga-text-mute); }
.ga-row .ga-more { margin-top: auto; padding-top: 6px; }

.ga-pagi { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.ga-pagi button {
  min-width: 42px; height: 42px; padding: 0 12px;
  border: 2px solid var(--ga-line); border-radius: 50%;
  font-family: var(--ga-font); font-size: 13.5px; font-weight: 600; color: var(--ga-text);
  transition: border-color .16s, color .16s, background .16s;
}
.ga-pagi button:hover:not(:disabled) { border-color: var(--ga-ink); color: var(--ga-ink); }
.ga-pagi button.is-cur { background: var(--ga-ink); border-color: var(--ga-ink); color: #fff; }
.ga-pagi button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- Sidebar ---------- */
.ga-side { display: grid; gap: 20px; position: sticky; top: 96px; }
.ga-side-box { background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); padding: 20px; }
.ga-side-h {
  font-family: var(--ga-font); font-size: 13px; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase; color: var(--ga-ink);
  padding-bottom: 10px; border-bottom: 2px solid var(--ga-ink); margin-bottom: 14px;
}
.ga-side-hot { display: grid; gap: 14px; }
.ga-side-hot a { display: flex; gap: 12px; }
.ga-side-hot img { width: 84px; height: 62px; object-fit: cover; flex: 0 0 auto; border-radius: 8px; }
.ga-side-hot-body strong { display: block; font-size: 13.5px; font-weight: 600; color: var(--ga-ink); line-height: 1.45; }
.ga-side-hot time { display: block; margin-top: 4px; font-size: 11px; color: var(--ga-text-mute); }
.ga-side-hot a:hover strong { color: var(--ga-red); }
.ga-side-more { display: inline-block; margin-top: 16px; font-size: 12.5px; color: var(--ga-red); font-weight: 600; }
.ga-side-list { display: grid; gap: 4px; }
.ga-side-list a { display: flex; gap: 12px; align-items: baseline; padding: 9px 4px; border-bottom: 1px dashed var(--ga-line); font-size: 14px; color: var(--ga-text); transition: color .16s; }
.ga-side-list a:hover { color: var(--ga-red); }
.ga-side-num { font-family: var(--ga-font); font-size: 12.5px; font-weight: 700; color: var(--ga-red); flex: 0 0 auto; }
.ga-side-note p { font-size: 14px; color: var(--ga-text-mute); margin-bottom: 16px; }

/* ---------- Show page ---------- */
.ga-article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 40px; align-items: start; }
.ga-article-h1 { font-family: var(--ga-font); font-size: clamp(25px, 3vw, 34px); font-weight: 800; color: var(--ga-ink); line-height: 1.28; margin-bottom: 16px; text-wrap: balance; }
.ga-article-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 16px;
  padding: 12px 0; margin-bottom: 24px;
  border-top: 2px solid var(--ga-ink); border-bottom: 1px dashed var(--ga-line);
  font-size: 12.5px; color: var(--ga-text-mute);
}
.ga-article-meta b { color: var(--ga-ink); font-weight: 600; }
.ga-article-figure { margin-bottom: 26px; }
.ga-article-figure img { width: 100%; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); }
.ga-article-body { font-size: 16.5px; color: var(--ga-text); }
.ga-article-body p { margin-bottom: 18px; }
.ga-article-body h2, .ga-article-body h3 { font-family: var(--ga-font); color: var(--ga-ink); font-weight: 700; margin: 26px 0 12px; line-height: 1.3; }
.ga-article-body h2 { font-size: 22px; border-left: 4px solid var(--ga-red); padding-left: 12px; }
.ga-article-body h3 { font-size: 18px; }
.ga-article-body img { border: 1px solid var(--ga-line); border-radius: var(--ga-radius); margin: 8px 0 18px; }
.ga-article-body ul, .ga-article-body ol { margin: 0 0 18px 22px; }
.ga-article-body li { margin-bottom: 8px; }
.ga-article-body a { color: var(--ga-red); text-decoration: underline; text-underline-offset: 3px; }
.ga-article-body strong { color: var(--ga-ink); }
.ga-article-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 26px; padding-top: 18px; border-top: 1px dashed var(--ga-line); }
.ga-tag-label { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ga-text-mute); }
.ga-tag {
  padding: 4px 12px; border: 1px solid var(--ga-ink); border-radius: 999px;
  font-size: 12.5px; font-weight: 600; color: var(--ga-ink);
  transition: background .16s, color .16s;
}
.ga-tag:hover { background: var(--ga-ink); color: #fff; }

.ga-switcher { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 34px; }
.ga-switcher-cell { background: #fff; border: 1px solid var(--ga-line); border-radius: var(--ga-radius); padding: 16px 18px; }
.ga-switcher-label { display: block; font-family: var(--ga-font); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--ga-red); margin-bottom: 8px; }
.ga-switcher-link { font-size: 14.5px; font-weight: 600; color: var(--ga-ink); line-height: 1.45; }
.ga-switcher-link:hover { color: var(--ga-red); }
.ga-switcher-next { text-align: right; }
.ga-switcher-empty { font-size: 13.5px; color: var(--ga-text-mute); font-style: italic; }
.ga-related { margin-top: 44px; }

/* ---------- 404 ---------- */
.ga-404 { padding: 90px 0 100px; }
.ga-404-in { max-width: 640px; margin: 0 auto; text-align: center; }
.ga-404-kicker { font-family: var(--ga-font); font-size: 12.5px; font-weight: 800; letter-spacing: .22em; color: var(--ga-red); margin-bottom: 10px; }
.ga-404-no { font-family: var(--ga-font); font-size: clamp(80px, 14vw, 150px); font-weight: 800; line-height: 1; color: var(--ga-ink); letter-spacing: .02em; }
.ga-404-track { max-width: 320px; margin: 8px auto 20px; }
.ga-404-title { font-family: var(--ga-font); font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--ga-ink); margin-bottom: 14px; }
.ga-404-desc { color: var(--ga-text-mute); margin-bottom: 28px; }
.ga-404-acts { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- Friend links ---------- */
.ga-flink { padding: 56px 0 48px; border-top: 1px solid var(--ga-line); background: #fff; }
.ga-flink-head { margin-bottom: 26px; }
.ga-flink-title { font-family: var(--ga-font); font-size: 15px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--ga-ink); }
.ga-flink-note { margin-top: 6px; font-size: 14px; color: var(--ga-text-mute); }
.ga-flink-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.ga-flink-chip {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 18px 12px; text-align: center;
  border: 1px solid var(--ga-line); border-radius: var(--ga-radius);
  font-size: 13px; font-weight: 600; color: var(--ga-text);
  background: var(--ga-paper);
  transition: border-color .18s, color .18s;
}
.ga-flink-chip:hover { border-color: var(--ga-ink); color: var(--ga-ink); }
.ga-flink-logo { width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--ga-ink); object-fit: cover; background: #fff; }

/* ---------- Footer ---------- */
.ga-footer { background: var(--ga-ink); color: rgba(255, 255, 255, .8); }
.ga-foot-top { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; padding: 52px 0 36px; align-items: center; }
.ga-fbrand-img { width: 206px; height: auto; }
.ga-foot-slogan { color: rgba(255, 255, 255, .66); font-size: 14.5px; }
.ga-foot-grid { display: grid; grid-template-columns: 1.1fr .9fr 1.1fr; gap: 36px; padding: 36px 0; border-top: 1px solid rgba(255, 255, 255, .16); }
.ga-foot-h {
  font-family: var(--ga-font); font-size: 12.5px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 16px;
}
.ga-foot-list { display: grid; gap: 9px; }
.ga-foot-list a { font-size: 14.5px; color: rgba(255, 255, 255, .68); transition: color .16s; }
.ga-foot-list a:hover { color: var(--ga-red); }
.ga-foot-cats { grid-template-columns: 1fr 1fr; column-gap: 24px; }
.ga-foot-info { display: grid; gap: 10px; }
.ga-foot-info li { display: grid; grid-template-columns: 96px 1fr; gap: 10px; font-size: 14px; }
.ga-foot-key { font-size: 11.5px; letter-spacing: .06em; color: rgba(255, 255, 255, .5); padding-top: 2px; }
.ga-foot-val { color: rgba(255, 255, 255, .78); }
.ga-foot-base { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 0 26px; border-top: 1px solid rgba(255, 255, 255, .16); }
.ga-foot-copy { font-size: 13px; color: rgba(255, 255, 255, .6); }
.ga-foot-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 12px; color: rgba(255, 255, 255, .6); }
.ga-foot-sitemap { color: #fff; border-bottom: 1px dotted rgba(255, 255, 255, .6); }
.ga-foot-sitemap:hover { color: var(--ga-red); border-bottom-color: var(--ga-red); }

/* ---------- Back to top ---------- */
.ga-top-btn {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--ga-ink); color: #fff; font-size: 18px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .22s, transform .22s, visibility .22s, background .18s;
}
.ga-top-btn.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.ga-top-btn:hover { background: var(--ga-red); }

/* ---------- Reveal ---------- */
html.ga-js .ga-reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
html.ga-js .ga-reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .ga-station a { grid-template-columns: 84px 1fr; }
  .ga-station-media img { width: 84px; height: 68px; }
}

@media (max-width: 1023px) {
  .ga-nav { display: none; }
  .ga-burger { display: flex; }
  .ga-hero-in { grid-template-columns: 1fr; gap: 40px; }
  .ga-lines { grid-template-columns: repeat(2, 1fr); }
  .ga-spot { grid-template-columns: 1fr 1fr; }
  .ga-platform { grid-row: auto; grid-column: 1 / -1; }
  .ga-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ga-list-wrap, .ga-article-wrap { grid-template-columns: 1fr; }
  .ga-side { position: static; }
  .ga-about-wrap { grid-template-columns: 1fr; gap: 36px; }
  .ga-foot-top { grid-template-columns: 1fr; gap: 22px; }
  .ga-foot-grid { grid-template-columns: 1fr 1fr; }
  .ga-flink-row { grid-template-columns: repeat(3, 1fr); }
  .ga-other-list { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .ga-shell { padding: 0 16px; }
  .ga-brand-img { width: 156px; }
  .ga-section { padding: 52px 0; }
  .ga-hero { padding: 44px 0 54px; }
  .ga-hero-acts .ga-btn { width: 100%; justify-content: center; }
  .ga-hero-stats { grid-template-columns: 1fr; }
  .ga-lines { grid-template-columns: 1fr; }
  .ga-spot { grid-template-columns: 1fr; }
  .ga-grid-4 { grid-template-columns: 1fr; }
  .ga-row-link { grid-template-columns: 1fr; }
  .ga-row-media img { min-height: 180px; max-height: 220px; }
  .ga-switcher { grid-template-columns: 1fr; }
  .ga-board-list { grid-template-columns: 1fr; }
  .ga-flink-row { grid-template-columns: repeat(2, 1fr); }
  .ga-foot-grid { grid-template-columns: 1fr; }
  .ga-foot-cats { grid-template-columns: 1fr 1fr; }
  .ga-faq-a { padding-left: 20px; }
  .ga-about-chips { grid-template-columns: 1fr; }
  .ga-route-strip::before { display: none; }
}