/* ============================================================
   www-google-chrome-zh.hl.cn — 谷歌浏览器安装中心
   Design: Sky-blue (#0369a1) + Amber accent — distinct from other sites
   ============================================================ */

:root {
  --p: #0369a1;
  --p-dark: #075985;
  --p-deep: #0c4a6e;
  --p-light: #e0f2fe;
  --p-xlight: #f0f9ff;
  --accent: #d97706;
  --accent-light: #fef3c7;
  --success: #059669;
  --success-light: #d1fae5;
  --warn: #dc2626;
  --win-color: #0078d4;
  --win-light: #dbeafe;
  --dark: #0f172a;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-sky: #f0f9ff;
  --r: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --sh: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --sh-md: 0 4px 20px rgba(3,105,161,.10);
  --sh-lg: 0 8px 40px rgba(3,105,161,.15);
  --trans: .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--p); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ── Layout ── */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.s-pad { padding: 80px 0; }
.s-pad-sm { padding: 56px 0; }

/* ── Spinner ── */
.btn-spin { animation: spin .7s linear infinite; display: inline-block; vertical-align: middle; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Section heading ── */
.s-label { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--p); background: var(--p-light); padding: 4px 12px; border-radius: 20px; margin-bottom: 16px; }
.s-title { font-size: clamp(24px, 4vw, 36px); font-weight: 800; color: var(--dark); line-height: 1.25; margin-bottom: 16px; }
.s-desc { font-size: 17px; color: var(--muted); max-width: 680px; }
.s-head { margin-bottom: 48px; }
.s-head.center { text-align: center; }
.s-head.center .s-desc { margin: 0 auto; }

/* ════════════════════════════════
   HEADER
════════════════════════════════ */
#site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--trans), box-shadow var(--trans);
}
#site-header.scrolled { border-color: var(--border); box-shadow: var(--sh); }
.hd-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.hd-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; color: var(--dark); white-space: nowrap; flex-shrink: 0; }
.hd-logo:hover { text-decoration: none; color: var(--p); }
.hd-logo-sub { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }
.hd-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.hd-nav a { font-size: 14px; font-weight: 500; color: var(--muted); padding: 6px 12px; border-radius: 6px; transition: background var(--trans), color var(--trans); white-space: nowrap; }
.hd-nav a:hover, .hd-nav a.on { color: var(--p); background: var(--p-light); text-decoration: none; }
.hd-nav .nav-btn, .hd-nav .nav-btn.on { display: inline-flex; align-items: center; gap: 6px; background: var(--p); color: #fff; padding: 7px 16px; border-radius: 8px; }
.hd-nav .nav-btn:hover, .hd-nav .nav-btn.on:hover { background: var(--p-dark); color: #fff; }
.hd-nav .nav-btn svg { display: inline-block; }
.hd-burger { display: none; margin-left: auto; padding: 6px; border-radius: 6px; color: var(--text); transition: background var(--trans); }
.hd-burger:hover { background: var(--border); }
.hd-mobile { display: none; flex-direction: column; background: var(--bg); border-top: 1px solid var(--border); padding: 12px 24px 16px; gap: 2px; }
.hd-mobile a { font-size: 15px; font-weight: 500; color: var(--text); padding: 10px 12px; border-radius: 8px; transition: background var(--trans), color var(--trans); }
.hd-mobile a:hover, .hd-mobile a.on { background: var(--p-light); color: var(--p); text-decoration: none; }
.hd-mobile.open { display: flex; }

/* ════════════════════════════════
   HERO — HOMEPAGE
════════════════════════════════ */
.hero-home {
  background: linear-gradient(160deg, #0c4a6e 0%, #0369a1 45%, #0ea5e9 100%);
  padding: 96px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-home::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255,255,255,.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,.9);
  margin-bottom: 28px;
}
.hero-badge-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 3px rgba(74,222,128,.3); flex-shrink: 0; }
.hero-home h1 { font-size: clamp(32px, 5.5vw, 58px); font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px; }
.hero-home h1 em { font-style: normal; color: #fde68a; }
.hero-home .hero-sub { font-size: 18px; color: rgba(255,255,255,.82); max-width: 620px; margin: 0 auto 36px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: 7px; font-size: 13px; color: rgba(255,255,255,.75); }
.hero-trust-item svg { flex-shrink: 0; color: #4ade80; }

/* ── Browser window mockup SVG ── */
.browser-mockup { max-width: 680px; margin: 56px auto 0; position: relative; }
.browser-mockup svg { width: 100%; height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,.3)); }

/* ════════════════════════════════
   STATS ROW
════════════════════════════════ */
.stats-row { background: var(--bg); border-bottom: 1px solid var(--border); padding: 32px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-cell { text-align: center; padding: 16px 20px; border-right: 1px solid var(--border); }
.stat-cell:last-child { border-right: none; }
.stat-num { font-size: clamp(26px, 4vw, 38px); font-weight: 900; color: var(--p); line-height: 1; margin-bottom: 6px; }
.stat-lbl { font-size: 13px; color: var(--muted); }

/* ════════════════════════════════
   WHY CHROME — ALTERNATING ROWS
════════════════════════════════ */
.why-rows { display: flex; flex-direction: column; gap: 64px; }
.why-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.why-row.flip { direction: rtl; }
.why-row.flip > * { direction: ltr; }
.why-icon-box {
  display: flex; align-items: center; justify-content: center;
  width: 80px; height: 80px; border-radius: 20px;
  margin-bottom: 24px;
}
.why-icon-box.sky { background: var(--p-light); color: var(--p); }
.why-icon-box.amber { background: var(--accent-light); color: var(--accent); }
.why-icon-box.green { background: var(--success-light); color: var(--success); }
.why-icon-box.win { background: var(--win-light); color: var(--win-color); }
.why-text h3 { font-size: 24px; font-weight: 800; color: var(--dark); margin-bottom: 12px; }
.why-text p { font-size: 15px; color: var(--muted); margin-bottom: 20px; }
.why-list { display: flex; flex-direction: column; gap: 10px; }
.why-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text); }
.why-list li svg { flex-shrink: 0; margin-top: 2px; color: var(--success); }
.why-visual {
  background: var(--bg-sky);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px;
  display: flex; align-items: center; justify-content: center;
  min-height: 240px;
}
.why-visual-inner { text-align: center; }
.why-big-num { font-size: 64px; font-weight: 900; color: var(--p); line-height: 1; }
.why-big-label { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* Speed bars */
.speed-bars { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.speed-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.speed-label { width: 80px; color: var(--text); font-weight: 600; flex-shrink: 0; }
.speed-bar-track { flex: 1; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.speed-bar-fill { height: 100%; border-radius: 4px; transition: width 1.2s cubic-bezier(.22,1,.36,1); }
.speed-bar-fill.chrome { background: var(--p); }
.speed-bar-fill.edge { background: #0078d4; }
.speed-bar-fill.firefox { background: #ff9400; }
.speed-bar-fill.safari { background: #1e88e5; }
.speed-val { width: 36px; text-align: right; font-size: 12px; font-weight: 700; color: var(--muted); }

/* Sync diagram */
.sync-diagram { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 100%; }
.sync-device {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--r);
  padding: 16px 10px; text-align: center; font-size: 12px; color: var(--muted);
}
.sync-device svg { margin: 0 auto 8px; color: var(--p); }
.sync-arrow { grid-column: 1/-1; text-align: center; color: var(--success); font-size: 12px; font-weight: 600; }

/* ════════════════════════════════
   BROWSER COMPARISON TABLE
════════════════════════════════ */
.cmp-table-wrap { overflow-x: auto; }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.cmp-table th { padding: 14px 20px; font-weight: 700; font-size: 13px; text-align: left; background: var(--dark); color: rgba(255,255,255,.85); }
.cmp-table th:first-child { border-radius: 10px 0 0 0; }
.cmp-table th:last-child { border-radius: 0 10px 0 0; }
.cmp-table th.chrome-col { background: var(--p); color: #fff; position: relative; }
.cmp-table th.chrome-col::after { content: '推荐'; position: absolute; top: 6px; right: 10px; font-size: 10px; background: #fde68a; color: var(--dark); padding: 2px 7px; border-radius: 10px; font-weight: 800; }
.cmp-table td { padding: 13px 20px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text); }
.cmp-table tr:last-child td { border-bottom: none; }
.cmp-table tr:nth-child(even) td { background: var(--bg-alt); }
.cmp-table td.chrome-col { background: var(--p-xlight); font-weight: 600; color: var(--p-dark); }
.cmp-table tr:nth-child(even) td.chrome-col { background: #dbeafe; }
.cmp-yes { color: var(--success); display: flex; align-items: center; gap: 5px; }
.cmp-no { color: #94a3b8; display: flex; align-items: center; gap: 5px; }
.cmp-partial { color: var(--accent); display: flex; align-items: center; gap: 5px; }
.cmp-feature { font-weight: 600; }
.cmp-feature span { display: block; font-size: 12px; font-weight: 400; color: var(--muted); margin-top: 2px; }

/* ════════════════════════════════
   SCENARIOS — USE CASES
════════════════════════════════ */
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scenario-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  transition: box-shadow var(--trans), transform var(--trans), border-color var(--trans);
}
.scenario-card:hover { box-shadow: var(--sh-md); transform: translateY(-3px); border-color: var(--p-light); }
.sc-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.sc-icon.sky { background: var(--p-light); color: var(--p); }
.sc-icon.amber { background: var(--accent-light); color: var(--accent); }
.sc-icon.green { background: var(--success-light); color: var(--success); }
.sc-icon.purple { background: #ede9fe; color: #7c3aed; }
.sc-icon.rose { background: #ffe4e6; color: #e11d48; }
.sc-icon.teal { background: #ccfbf1; color: #0d9488; }
.scenario-card h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.scenario-card p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.sc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.sc-tag { font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 20px; background: var(--bg-alt); color: var(--muted); }

/* ════════════════════════════════
   TECH SECTION
════════════════════════════════ */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-card {
  border-left: 4px solid var(--p);
  background: var(--bg-sky);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 24px 24px;
}
.tech-card h3 { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.tech-card p { font-size: 14px; color: var(--muted); }
.tech-tag { display: inline-block; font-size: 11px; font-weight: 700; background: var(--p); color: #fff; border-radius: 4px; padding: 2px 8px; margin-bottom: 10px; }

/* ════════════════════════════════
   FAQ
════════════════════════════════ */
.faq-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; padding: 18px 0; cursor: pointer;
  font-size: 15px; font-weight: 600; color: var(--dark);
  background: none; border: none; width: 100%; text-align: left;
  transition: color var(--trans);
}
.faq-q:hover { color: var(--p); }
.faq-q-num { flex-shrink: 0; width: 28px; height: 28px; border-radius: 6px; background: var(--p-light); color: var(--p); font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.faq-q-text { flex: 1; }
.faq-chevron { flex-shrink: 0; color: var(--muted); transition: transform var(--trans); }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-item.open .faq-q { color: var(--p); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 0 16px 44px; font-size: 14px; color: var(--muted); line-height: 1.75; }

/* ════════════════════════════════
   BUTTONS
════════════════════════════════ */
.btn { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; padding: 12px 24px; border-radius: 9px; cursor: pointer; border: 2px solid transparent; transition: background var(--trans), color var(--trans), border-color var(--trans), box-shadow var(--trans), transform var(--trans); text-decoration: none !important; white-space: nowrap; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--p); color: #fff; border-color: var(--p); }
.btn-primary:hover { background: var(--p-dark); border-color: var(--p-dark); box-shadow: 0 4px 16px rgba(3,105,161,.35); color: #fff; }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.25); border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline { background: transparent; color: var(--p); border-color: var(--p); }
.btn-outline:hover { background: var(--p-light); color: var(--p-dark); }
.btn-win { background: var(--win-color); color: #fff; border-color: var(--win-color); }
.btn-win:hover { background: #106ebe; border-color: #106ebe; box-shadow: 0 4px 16px rgba(0,120,212,.35); color: #fff; }
.btn-dark { background: var(--dark); color: #fff; border-color: var(--dark); }
.btn-dark:hover { background: #1e293b; border-color: #1e293b; color: #fff; }
.btn-lg { font-size: 17px; padding: 15px 32px; border-radius: 11px; }
.btn-sm { font-size: 13px; padding: 8px 16px; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: .65; cursor: not-allowed; pointer-events: none; }

/* ════════════════════════════════
   DOWNLOAD PAGE — HERO
════════════════════════════════ */
.hero-dl {
  background: linear-gradient(135deg, #0f172a 0%, #0c4a6e 55%, #075985 100%);
  padding: 72px 0 64px;
  text-align: center;
}
.hero-dl h1 { font-size: clamp(28px, 4.5vw, 48px); font-weight: 900; color: #fff; line-height: 1.2; margin-bottom: 14px; }
.hero-dl .hero-sub { font-size: 17px; color: rgba(255,255,255,.7); max-width: 580px; margin: 0 auto 32px; }
.dl-badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.dl-badge { display: flex; align-items: center; gap: 7px; font-size: 13px; color: rgba(255,255,255,.75); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); padding: 7px 14px; border-radius: 20px; }
.dl-badge svg { color: #4ade80; }

/* ════════════════════════════════
   WINDOWS FEATURED CARD
════════════════════════════════ */
.win-card {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 2px solid #bfdbfe;
  border-radius: var(--r-xl);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: start;
  position: relative;
  overflow: hidden;
}
.win-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #0078d4, #0369a1);
}
.win-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--win-color); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 20px; margin-bottom: 16px; }
.win-card h2 { font-size: 28px; font-weight: 900; color: var(--dark); margin-bottom: 10px; }
.win-card p { font-size: 15px; color: var(--muted); margin-bottom: 24px; max-width: 500px; }
.win-specs { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.win-spec { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text); }
.win-spec svg { color: var(--p); flex-shrink: 0; }
.win-steps-panel { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; min-width: 240px; }
.win-steps-panel h4 { font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.win-step { display: flex; gap: 12px; margin-bottom: 14px; }
.win-step:last-child { margin-bottom: 0; }
.win-step-num { width: 24px; height: 24px; flex-shrink: 0; border-radius: 50%; background: var(--p); color: #fff; font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.win-step-txt { font-size: 13px; color: var(--muted); line-height: 1.5; padding-top: 3px; }

/* ════════════════════════════════
   PLATFORM TABS
════════════════════════════════ */
.plat-tabs { display: flex; gap: 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; max-width: 560px; }
.plat-tab { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 16px 12px; font-size: 13px; font-weight: 600; color: var(--muted); background: var(--bg); cursor: pointer; border: none; transition: background var(--trans), color var(--trans); border-right: 1px solid var(--border); }
.plat-tab:last-child { border-right: none; }
.plat-tab.active { background: var(--p-xlight); color: var(--p); }
.plat-tab:hover:not(.active) { background: var(--bg-alt); color: var(--text); }
.plat-tab svg { flex-shrink: 0; }
.plat-panel { display: none; animation: fadeIn .25s ease; }
.plat-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ════════════════════════════════
   SYSTEM REQUIREMENTS TABLE
════════════════════════════════ */
.req-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.req-table th { text-align: left; padding: 12px 16px; background: var(--dark); color: rgba(255,255,255,.85); font-size: 13px; font-weight: 700; }
.req-table th:first-child { border-radius: 10px 0 0 0; }
.req-table th:last-child { border-radius: 0 10px 0 0; }
.req-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text); }
.req-table tr:last-child td { border-bottom: none; }
.req-table tr:nth-child(even) td { background: var(--bg-alt); }
.req-table .req-os { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--dark); }
.req-table .req-os svg { flex-shrink: 0; color: var(--p); }

/* ════════════════════════════════
   INSTALL CHECKLIST
════════════════════════════════ */
.checklist { display: flex; flex-direction: column; gap: 12px; }
.check-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 20px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); }
.check-num { width: 32px; height: 32px; border-radius: 50%; background: var(--p); color: #fff; font-weight: 800; font-size: 14px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.check-content h4 { font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.check-content p { font-size: 13px; color: var(--muted); }

/* ════════════════════════════════
   CTA BANNER
════════════════════════════════ */
.cta-section { background: linear-gradient(135deg, var(--p-deep) 0%, var(--p) 100%); padding: 72px 0; text-align: center; }
.cta-section h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; color: #fff; margin-bottom: 14px; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,.75); max-width: 520px; margin: 0 auto 36px; }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
#site-footer { background: var(--dark); padding: 40px 0 28px; }
.ft-inner { display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center; }
.ft-logo { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.85); font-weight: 700; font-size: 16px; }
.ft-links { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.ft-links a { font-size: 13px; color: rgba(255,255,255,.5); padding: 4px 10px; border-radius: 6px; transition: color var(--trans); }
.ft-links a:hover { color: rgba(255,255,255,.85); text-decoration: none; }
.ft-verify { font-size: 13px; color: rgba(255,255,255,.65); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); padding: 10px 20px; border-radius: 8px; }
.ft-copy { font-size: 12px; color: rgba(255,255,255,.35); line-height: 1.6; }

/* ════════════════════════════════
   REVEAL ANIMATION
════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ════════════════════════════════
   DARK SECTIONS
════════════════════════════════ */
.bg-dark { background: var(--dark); }
.bg-dark .s-label { background: rgba(14,165,233,.2); color: #38bdf8; }
.bg-dark .s-title { color: #f1f5f9; }
.bg-dark .s-desc { color: #94a3b8; }
.bg-dark .tech-card { background: rgba(255,255,255,.04); border-left-color: #38bdf8; }
.bg-dark .tech-card h3 { color: #f1f5f9; }
.bg-dark .tech-card p { color: #94a3b8; }

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 900px) {
  .hd-nav { display: none; }
  .hd-burger { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid .stat-cell:nth-child(2) { border-right: none; }
  .stats-grid .stat-cell:nth-child(3) { border-top: 1px solid var(--border); }
  .why-row, .why-row.flip { grid-template-columns: 1fr; gap: 32px; direction: ltr; }
  .faq-cols { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .win-card { grid-template-columns: 1fr; }
  .win-steps-panel { min-width: unset; }
  .cmp-table th, .cmp-table td { padding: 10px 12px; font-size: 13px; }
}
@media (max-width: 600px) {
  .s-pad { padding: 52px 0; }
  .scenario-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-home { padding: 64px 0 52px; }
  .hero-dl { padding: 52px 0 44px; }
  .win-card { padding: 24px; }
  .plat-tabs { max-width: 100%; }
  .plat-tab { font-size: 12px; padding: 12px 8px; }
  .req-table { font-size: 13px; }
  .btn-lg { font-size: 15px; padding: 13px 24px; }
}