/* Signal Blue / Midnight Secure Theme
   Base: #0d1117  Primary: #2390f0  Accent: #06d6a0  Highlight: #ffb703
*/
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #21262d;
  --surface: #f6f8fa;
  --surface2: #eef2f7;
  --border: #30363d;
  --border-l: #d0d7de;
  --blue: #2390f0;
  --blue-d: #1a6fc4;
  --blue-l: #58a6ff;
  --mint: #06d6a0;
  --mint-d: #05a87e;
  --amber: #ffb703;
  --amber-d: #e09800;
  --rose: #f85149;
  --violet: #a371f7;
  --sky: #79c0ff;
  --text: #e6edf3;
  --text2: #8b949e;
  --text3: #c9d1d9;
  --text-dark: #24292f;
  --text-dark2: #57606a;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-l: 0 2px 12px rgba(0,0,0,0.1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes fadeUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
@keyframes pulseGlow { 0%,100% { box-shadow:0 0 0 0 rgba(35,144,240,0.4); } 50% { box-shadow:0 0 0 10px rgba(35,144,240,0); } }
@keyframes ticker { from { transform:translateX(0); } to { transform:translateX(-50%); } }
@keyframes msgFloat { 0%,100% { transform:translateY(0) rotate(-1deg); } 50% { transform:translateY(-8px) rotate(1deg); } }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

.reveal { opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease; }
.reveal.revealed { opacity:1; transform:translateY(0); }

/* ===== LAYOUT ===== */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sec { padding: 80px 0; }
.sec-sm { padding: 60px 0; }
.sec-dark { background: var(--bg); }
.sec-dark2 { background: var(--bg2); }
.sec-surface { background: var(--surface); color: var(--text-dark); }
.sec-surface2 { background: var(--surface2); color: var(--text-dark); }
.sec-blue { background: linear-gradient(135deg, #0d2440 0%, #0d1117 100%); }
.sec-border-t { border-top: 1px solid var(--border); }

/* ===== BUTTONS ===== */
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 24px; border-radius:8px; font-size:15px; font-weight:600; cursor:pointer; border:none; transition:all 0.2s ease; }
.btn-lg { padding:16px 32px; font-size:17px; border-radius:10px; }
.btn-sm { padding:8px 16px; font-size:13px; border-radius:6px; }
.btn-blue { background:var(--blue); color:#fff; }
.btn-blue:hover { background:var(--blue-d); transform:translateY(-1px); box-shadow:0 8px 24px rgba(35,144,240,0.4); }
.btn-mint { background:var(--mint); color:#0d1117; }
.btn-mint:hover { background:var(--mint-d); transform:translateY(-1px); }
.btn-amber { background:var(--amber); color:#0d1117; }
.btn-amber:hover { background:var(--amber-d); transform:translateY(-1px); }
.btn-outline { background:transparent; color:var(--blue); border:2px solid var(--blue); }
.btn-outline:hover { background:var(--blue); color:#fff; }
.btn-outline-w { background:transparent; color:#fff; border:2px solid rgba(255,255,255,0.4); }
.btn-outline-w:hover { background:rgba(255,255,255,0.1); }
.btn-ghost { background:transparent; color:var(--text2); border:1px solid var(--border); }
.btn-ghost:hover { border-color:var(--blue); color:var(--blue); }
.btn-dark { background:var(--bg3); color:var(--text); border:1px solid var(--border); }
.btn-dark:hover { border-color:var(--blue-l); color:var(--blue-l); }
.btn-violet { background:var(--violet); color:#fff; }
.btn-violet:hover { background:#8558e8; transform:translateY(-1px); }

/* ===== NAVIGATION ===== */
.tg-nav { position:sticky; top:0; z-index:100; background:rgba(13,17,23,0.92); backdrop-filter:blur(16px); border-bottom:1px solid var(--border); }
.tg-nav-inner { display:flex; align-items:center; height:64px; gap:32px; }
.tg-brand { display:flex; align-items:center; gap:10px; font-size:18px; font-weight:700; color:var(--text); flex-shrink:0; }
.tg-brand-icon { width:36px; height:36px; background:linear-gradient(135deg,var(--blue),var(--mint)); border-radius:10px; display:flex; align-items:center; justify-content:center; }
.tg-links { display:flex; align-items:center; gap:4px; margin-left:auto; }
.tg-link { padding:6px 14px; border-radius:6px; font-size:14px; font-weight:500; color:var(--text2); transition:all 0.2s; }
.tg-link:hover { color:var(--text); background:var(--bg3); }
.tg-link.on { color:#fff; background:var(--blue); }
.tg-cta { margin-left:16px; }
.nav-toggle { display:none; background:none; border:none; cursor:pointer; padding:4px; }
.nav-mobile { display:none; background:var(--bg2); border-bottom:1px solid var(--border); padding:12px 24px; }
.nav-mobile.show { display:block; }
.nav-mobile .tg-link { display:block; padding:10px 8px; border-radius:6px; }

/* ===== HERO ===== */
.hero { background: linear-gradient(160deg, #0d1b2e 0%, #0d1117 60%, #0b1a12 100%); min-height:100vh; display:flex; align-items:center; padding:100px 0 80px; position:relative; overflow:hidden; }
.hero::before { content:""; position:absolute; width:600px; height:600px; background:radial-gradient(circle, rgba(35,144,240,0.12) 0%, transparent 70%); top:-100px; right:-100px; pointer-events:none; }
.hero::after { content:""; position:absolute; width:400px; height:400px; background:radial-gradient(circle, rgba(6,214,160,0.08) 0%, transparent 70%); bottom:0; left:-50px; pointer-events:none; }
.hero-inner { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; position:relative; z-index:1; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; background:rgba(35,144,240,0.12); border:1px solid rgba(35,144,240,0.3); color:var(--blue-l); padding:6px 14px; border-radius:20px; font-size:13px; font-weight:600; margin-bottom:20px; }
.hero-eyebrow-dot { width:8px; height:8px; background:var(--blue); border-radius:50%; animation:blink 2s infinite; }
.hero-h1 { font-size:clamp(36px, 5vw, 58px); font-weight:800; line-height:1.15; color:#fff; margin-bottom:20px; }
.hero-hl { background:linear-gradient(90deg,var(--blue),var(--mint)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-p { font-size:18px; color:var(--text3); line-height:1.7; margin-bottom:32px; max-width:520px; }
.hero-btns { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:40px; }
.hero-trust { display:flex; gap:20px; flex-wrap:wrap; }
.hero-trust-item { display:flex; align-items:center; gap:6px; font-size:13px; color:var(--text2); }
.hero-trust-icon { color:var(--mint); }

/* Hero Visual: Message Bubble Mockup */
.hero-vis { display:flex; justify-content:center; animation:floatY 5s ease-in-out infinite; }
.msg-mockup { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius-lg); padding:20px; width:340px; box-shadow:0 20px 60px rgba(0,0,0,0.5); }
.msg-topbar { display:flex; align-items:center; gap:10px; padding-bottom:14px; border-bottom:1px solid var(--border); margin-bottom:16px; }
.msg-dots { display:flex; gap:5px; }
.msg-dot { width:10px; height:10px; border-radius:50%; }
.msg-dot.r { background:#f85149; }
.msg-dot.y { background:#ffb703; }
.msg-dot.g { background:#3fb950; }
.msg-app-name { font-size:13px; font-weight:600; color:var(--text2); margin-left:4px; }
.msg-status { margin-left:auto; display:flex; align-items:center; gap:4px; font-size:11px; color:var(--mint); }
.msg-status-dot { width:6px; height:6px; background:var(--mint); border-radius:50%; animation:pulseGlow 2s infinite; }
.msg-body { display:flex; flex-direction:column; gap:10px; }
.msg-row { display:flex; gap:8px; align-items:flex-end; }
.msg-row.right { flex-direction:row-reverse; }
.msg-avatar { width:28px; height:28px; border-radius:50%; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:700; color:#fff; }
.msg-avatar.a1 { background:linear-gradient(135deg,var(--blue),#1a6fc4); }
.msg-avatar.a2 { background:linear-gradient(135deg,var(--mint),var(--mint-d)); }
.msg-avatar.a3 { background:linear-gradient(135deg,var(--violet),#7c3aed); }
.msg-bubble { padding:8px 12px; border-radius:14px; font-size:12px; line-height:1.5; max-width:220px; }
.msg-bubble.recv { background:var(--bg3); color:var(--text3); border-bottom-left-radius:4px; }
.msg-bubble.sent { background:linear-gradient(135deg,var(--blue),var(--blue-d)); color:#fff; border-bottom-right-radius:4px; }
.msg-bubble.enc { background:rgba(6,214,160,0.1); border:1px solid rgba(6,214,160,0.2); color:var(--mint); }
.msg-time { font-size:10px; color:var(--text2); }
.msg-enc-badge { display:flex; align-items:center; justify-content:center; gap:6px; padding:6px 12px; background:rgba(6,214,160,0.08); border:1px solid rgba(6,214,160,0.2); border-radius:8px; margin-top:8px; font-size:11px; color:var(--mint); }

/* ===== TICKER ===== */
.ticker-wrap { background:rgba(35,144,240,0.08); border-top:1px solid rgba(35,144,240,0.2); border-bottom:1px solid rgba(35,144,240,0.2); overflow:hidden; padding:12px 0; }
.ticker-row { display:flex; width:max-content; animation:ticker 30s linear infinite; }
.ticker-item { display:flex; align-items:center; gap:8px; padding:0 28px; font-size:13px; font-weight:600; color:var(--text3); white-space:nowrap; }
.ticker-sep { color:var(--border); }
.ticker-item strong { color:var(--blue-l); }

/* ===== STATS BAND ===== */
.stats-band { background:var(--bg2); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); }
.stat-item { padding:40px 24px; text-align:center; border-right:1px solid var(--border); }
.stat-item:last-child { border-right:none; }
.stat-num { font-size:clamp(28px,4vw,44px); font-weight:800; line-height:1; margin-bottom:8px; }
.stat-num.c-blue { color:var(--blue); }
.stat-num.c-mint { color:var(--mint); }
.stat-num.c-amber { color:var(--amber); }
.stat-num.c-violet { color:var(--violet); }
.stat-lbl { font-size:14px; color:var(--text2); }

/* ===== FEATURE CARDS ===== */
.feat-bento { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.feat-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:28px; transition:all 0.25s; position:relative; overflow:hidden; }
.feat-card::before { content:""; position:absolute; top:0; left:0; right:0; height:3px; opacity:0; transition:opacity 0.25s; }
.feat-card:hover { border-color:var(--blue); transform:translateY(-4px); box-shadow:var(--shadow); }
.feat-card:hover::before { opacity:1; }
.feat-card.fc-blue::before { background:var(--blue); }
.feat-card.fc-mint::before { background:var(--mint); }
.feat-card.fc-amber::before { background:var(--amber); }
.feat-card.fc-rose::before { background:var(--rose); }
.feat-card.fc-violet::before { background:var(--violet); }
.feat-card.fc-sky::before { background:var(--sky); }
.feat-icon { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.fi-blue { background:rgba(35,144,240,0.15); color:var(--blue); }
.fi-mint { background:rgba(6,214,160,0.15); color:var(--mint); }
.fi-amber { background:rgba(255,183,3,0.15); color:var(--amber); }
.fi-rose { background:rgba(248,81,73,0.15); color:var(--rose); }
.fi-violet { background:rgba(163,113,247,0.15); color:var(--violet); }
.fi-sky { background:rgba(121,192,255,0.15); color:var(--sky); }
.feat-name { font-size:17px; font-weight:700; color:var(--text); margin-bottom:10px; }
.feat-desc { font-size:14px; color:var(--text2); line-height:1.7; }

/* ===== PLATFORM GRID ===== */
.plat-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.plat-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:28px 20px; text-align:center; transition:all 0.25s; }
.plat-card:hover { border-color:var(--blue); transform:translateY(-3px); }
.plat-card.featured { border-color:var(--blue); background:rgba(35,144,240,0.06); }
.plat-badge { display:inline-block; background:var(--blue); color:#fff; font-size:11px; font-weight:700; padding:3px 10px; border-radius:20px; margin-bottom:12px; }
.plat-icon { margin:0 auto 12px; display:flex; align-items:center; justify-content:center; }
.plat-name { font-size:17px; font-weight:700; color:var(--text); margin-bottom:6px; }
.plat-ver { font-size:12px; color:var(--text2); margin-bottom:8px; }
.plat-req { font-size:12px; color:var(--text2); margin-bottom:16px; }
.plat-steps { text-align:left; margin-bottom:16px; }
.plat-step { display:flex; gap:8px; align-items:flex-start; font-size:12px; color:var(--text2); margin-bottom:6px; }
.plat-step-n { width:18px; height:18px; background:var(--blue); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:10px; font-weight:700; flex-shrink:0; }
.plat-btn { width:100%; }

/* ===== DEEP FEATURE ROWS ===== */
.deep-row { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; padding:80px 0; border-bottom:1px solid var(--border); }
.deep-row:last-child { border-bottom:none; }
.deep-row.flip .deep-info { order:2; }
.deep-row.flip .deep-vis { order:1; }
.deep-chip { display:inline-flex; align-items:center; gap:6px; padding:5px 14px; border-radius:20px; font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; margin-bottom:16px; }
.dc-blue { background:rgba(35,144,240,0.15); color:var(--blue-l); }
.dc-mint { background:rgba(6,214,160,0.15); color:var(--mint); }
.dc-amber { background:rgba(255,183,3,0.15); color:var(--amber); }
.dc-violet { background:rgba(163,113,247,0.15); color:var(--violet); }
.deep-h3 { font-size:clamp(22px,3vw,32px); font-weight:800; color:var(--text); margin-bottom:16px; line-height:1.3; }
.deep-h3.light { color:var(--text-dark); }
.deep-desc { font-size:16px; color:var(--text2); line-height:1.8; margin-bottom:20px; }
.deep-desc.light { color:var(--text-dark2); }
.deep-list { display:flex; flex-direction:column; gap:10px; }
.deep-list-item { display:flex; align-items:flex-start; gap:10px; font-size:14px; color:var(--text3); }
.deep-list-item.light { color:var(--text-dark2); }
.dl-dot { width:6px; height:6px; border-radius:50%; flex-shrink:0; margin-top:7px; }
.dl-dot.blue { background:var(--blue); }
.dl-dot.mint { background:var(--mint); }
.dl-dot.amber { background:var(--amber); }
.dl-dot.violet { background:var(--violet); }

/* Deep Visual Panel */
.dv-panel { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius-lg); padding:28px; }
.dv-panel.light { background:#fff; border-color:var(--border-l); box-shadow:var(--shadow-l); }
.dv-panel-title { font-size:14px; font-weight:700; color:var(--text2); margin-bottom:20px; text-transform:uppercase; letter-spacing:0.05em; }
.dv-panel-title.light { color:var(--text-dark2); }
.dv-bar-row { margin-bottom:14px; }
.dv-bar-label { display:flex; justify-content:space-between; font-size:12px; margin-bottom:5px; }
.dv-bar-name { color:var(--text3); }
.dv-bar-name.light { color:var(--text-dark2); }
.dv-bar-val { font-weight:700; }
.dv-bar-val.blue { color:var(--blue); }
.dv-bar-val.mint { color:var(--mint); }
.dv-bar-val.amber { color:var(--amber); }
.dv-bar-val.violet { color:var(--violet); }
.dv-bar-track { height:8px; background:var(--bg3); border-radius:4px; overflow:hidden; }
.dv-bar-track.light { background:var(--surface2); }
.dv-bar-fill { height:100%; border-radius:4px; transition:width 1s ease; }
.dvf-blue { background:linear-gradient(90deg,var(--blue),var(--blue-l)); }
.dvf-mint { background:linear-gradient(90deg,var(--mint),#3dd5b0); }
.dvf-amber { background:linear-gradient(90deg,var(--amber),#ffc733); }
.dvf-violet { background:linear-gradient(90deg,var(--violet),#c6a8f8); }
.dv-stat-row { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:20px; }
.dv-stat { background:var(--bg3); border-radius:8px; padding:14px; text-align:center; }
.dv-stat.light { background:var(--surface2); }
.dv-stat-num { font-size:22px; font-weight:800; line-height:1; margin-bottom:4px; }
.dv-stat-lbl { font-size:11px; color:var(--text2); }

/* ===== REVIEWS ===== */
.rev-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.rev-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
.rev-header { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.rev-avatar { width:44px; height:44px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:16px; font-weight:700; color:#fff; flex-shrink:0; }
.av-blue { background:linear-gradient(135deg,var(--blue),var(--blue-d)); }
.av-mint { background:linear-gradient(135deg,var(--mint),var(--mint-d)); }
.av-amber { background:linear-gradient(135deg,var(--amber),var(--amber-d)); }
.av-violet { background:linear-gradient(135deg,var(--violet),#7c3aed); }
.av-rose { background:linear-gradient(135deg,var(--rose),#c0392b); }
.av-sky { background:linear-gradient(135deg,var(--sky),#1a9fe0); }
.rev-meta { flex:1; }
.rev-name { font-size:14px; font-weight:700; color:var(--text); }
.rev-role { font-size:12px; color:var(--text2); }
.rev-stars { display:flex; gap:2px; margin-bottom:12px; }
.rev-star { color:var(--amber); font-size:14px; }
.rev-text { font-size:14px; color:var(--text3); line-height:1.7; }

/* ===== COMPARISON TABLE ===== */
.cmp-wrap { overflow-x:auto; }
.cmp-table { width:100%; border-collapse:collapse; font-size:14px; }
.cmp-table th { background:var(--bg3); padding:14px 16px; text-align:left; font-weight:700; color:var(--text3); border-bottom:2px solid var(--border); }
.cmp-table th:first-child { width:35%; }
.cmp-hl { background:rgba(35,144,240,0.08) !important; }
.cmp-hl th, .cmp-hl td { color:var(--blue-l) !important; }
.cmp-table td { padding:12px 16px; border-bottom:1px solid var(--border); color:var(--text3); }
.cmp-table tr:hover td { background:rgba(255,255,255,0.02); }
.yes { color:var(--mint); font-weight:700; }
.no { color:var(--rose); }
.part { color:var(--amber); }

/* ===== FAQ ===== */
.faq-list { display:flex; flex-direction:column; gap:12px; }
.faq-item { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; transition:border-color 0.2s; }
.faq-item.open { border-color:var(--blue); }
.faq-q { display:flex; align-items:center; justify-content:space-between; padding:20px 24px; cursor:pointer; font-size:16px; font-weight:600; color:var(--text); user-select:none; }
.faq-chevron { width:20px; height:20px; color:var(--text2); transition:transform 0.3s; flex-shrink:0; }
.faq-item.open .faq-chevron { transform:rotate(180deg); color:var(--blue); }
.faq-a { max-height:0; overflow:hidden; transition:max-height 0.35s ease; }
.faq-item.open .faq-a { max-height:400px; }
.faq-a-inner { padding:0 24px 20px; font-size:15px; color:var(--text2); line-height:1.8; }

/* ===== CTA BANNER ===== */
.cta-banner { background:linear-gradient(135deg, #0d2240 0%, #0a1f14 100%); border:1px solid rgba(35,144,240,0.2); border-radius:var(--radius-lg); padding:60px 48px; text-align:center; position:relative; overflow:hidden; }
.cta-banner::before { content:""; position:absolute; inset:0; background:radial-gradient(circle at 30% 50%, rgba(35,144,240,0.1) 0%, transparent 60%); }
.cta-banner::after { content:""; position:absolute; inset:0; background:radial-gradient(circle at 70% 50%, rgba(6,214,160,0.08) 0%, transparent 60%); }
.cta-inner { position:relative; z-index:1; }
.cta-eyebrow { color:var(--blue-l); font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:0.08em; margin-bottom:16px; }
.cta-h2 { font-size:clamp(28px,4vw,44px); font-weight:800; color:#fff; margin-bottom:16px; }
.cta-p { font-size:17px; color:var(--text3); margin-bottom:32px; max-width:560px; margin-left:auto; margin-right:auto; }
.cta-btns { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* ===== SECTION HEADERS ===== */
.sec-head { text-align:center; margin-bottom:56px; }
.sec-tag { display:inline-flex; align-items:center; gap:6px; padding:5px 14px; border-radius:20px; font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:16px; }
.st-blue { background:rgba(35,144,240,0.15); color:var(--blue-l); }
.st-mint { background:rgba(6,214,160,0.15); color:var(--mint); }
.st-amber { background:rgba(255,183,3,0.15); color:var(--amber); }
.st-light-blue { background:rgba(35,144,240,0.1); color:var(--blue); }
.st-light-mint { background:rgba(6,214,160,0.1); color:var(--mint-d); }
.sec-tag-dot { width:6px; height:6px; border-radius:50%; background:currentColor; }
.sec-title { font-size:clamp(24px,3.5vw,40px); font-weight:800; color:var(--text); margin-bottom:14px; line-height:1.25; }
.sec-title.light { color:var(--text-dark); }
.sec-sub { font-size:17px; color:var(--text2); max-width:600px; margin:0 auto; line-height:1.7; }
.sec-sub.light { color:var(--text-dark2); }
.hl { color:var(--blue); }
.hl2 { color:var(--mint); }
.hl3 { color:var(--amber); }

/* ===== DOWNLOAD PAGE ===== */
.dl-hero { background:linear-gradient(160deg, #0d1b2e 0%, #0d1117 100%); padding:100px 0 60px; }
.dl-hero-tag { display:inline-flex; align-items:center; gap:6px; background:rgba(35,144,240,0.15); border:1px solid rgba(35,144,240,0.3); color:var(--blue-l); padding:6px 14px; border-radius:20px; font-size:13px; font-weight:600; margin-bottom:16px; }
.dl-hero-tag-dot { width:8px; height:8px; background:var(--blue); border-radius:50%; animation:blink 2s infinite; }
.dl-hero-h1 { font-size:clamp(30px,4vw,48px); font-weight:800; color:#fff; margin-bottom:12px; }
.dl-hero-sub { font-size:17px; color:var(--text3); max-width:600px; }

/* DL Hero extras */
.dl-hero-inner { position:relative; z-index:1; }
.dl-hero-trust { display:flex; flex-wrap:wrap; gap:16px; margin-top:20px; }
.dl-trust-item { display:inline-flex; align-items:center; gap:6px; font-size:13px; color:var(--text2); }

/* Main Download Card (alias for dl-win) */
.dl-main-wrap { max-width:760px; margin:0 auto; }
.dl-main-card { background:var(--bg2); border:1px solid var(--blue); border-radius:var(--radius-lg); overflow:hidden; box-shadow:0 0 40px rgba(35,144,240,0.15); }
.dl-main-top { background:linear-gradient(90deg,var(--blue),var(--blue-d)); padding:6px 0; }
.dl-main-head { display:flex; align-items:center; gap:16px; padding:28px 32px; border-bottom:1px solid var(--border); }
.dl-main-icon { width:56px; height:56px; background:rgba(35,144,240,0.15); border-radius:14px; display:flex; align-items:center; justify-content:center; }
.dl-main-info { flex:1; }
.dl-main-name { font-size:22px; font-weight:800; color:var(--text); }
.dl-main-meta { font-size:13px; color:var(--text2); margin-top:2px; }
.dl-main-body { padding:28px 32px; }
.dl-main-btns { display:flex; gap:12px; flex-wrap:wrap; }

/* Windows Main Card */
.dl-win-wrap { max-width:760px; margin:0 auto; }
.dl-win-card { background:var(--bg2); border:1px solid var(--blue); border-radius:var(--radius-lg); overflow:hidden; box-shadow:0 0 40px rgba(35,144,240,0.15); }
.dl-win-top { background:linear-gradient(90deg,var(--blue),var(--blue-d)); padding:6px 0; }
.dl-win-head { display:flex; align-items:center; gap:16px; padding:28px 32px; border-bottom:1px solid var(--border); }
.dl-win-icon { width:56px; height:56px; background:rgba(35,144,240,0.15); border-radius:14px; display:flex; align-items:center; justify-content:center; }
.dl-win-name { font-size:22px; font-weight:800; color:var(--text); }
.dl-win-meta { font-size:13px; color:var(--text2); margin-top:2px; }
.dl-win-body { padding:28px 32px; }
.dl-specs { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-bottom:24px; }
.dl-spec { background:var(--bg3); border-radius:8px; padding:14px; }
.dl-spec-label { font-size:11px; color:var(--text2); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:4px; }
.dl-spec-val { font-size:14px; font-weight:700; color:var(--text); }
.dl-sec-badge { display:flex; align-items:center; gap:8px; background:rgba(6,214,160,0.08); border:1px solid rgba(6,214,160,0.2); border-radius:8px; padding:10px 16px; font-size:13px; color:var(--mint); margin-bottom:24px; }
.dl-win-btns { display:flex; gap:12px; flex-wrap:wrap; }

/* Other Platforms */
.op-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.op-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; text-align:center; }
.op-icon { margin:0 auto 12px; display:flex; align-items:center; justify-content:center; }
.op-name { font-size:17px; font-weight:700; color:var(--text); margin-bottom:6px; }
.op-ver { font-size:12px; color:var(--text2); margin-bottom:6px; }
.op-req { font-size:12px; color:var(--text2); margin-bottom:16px; }
.op-steps { text-align:left; margin-bottom:16px; }
.op-step { display:flex; gap:8px; font-size:12px; color:var(--text2); margin-bottom:6px; align-items:flex-start; }
.op-step-n { width:18px; height:18px; background:var(--bg3); border:1px solid var(--border); color:var(--text2); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:10px; font-weight:700; flex-shrink:0; }
.op-btn { width:100%; }

/* Install Guide */
.guide-col { display:flex; flex-direction:column; }
.guide-grid { display:grid; grid-template-columns:1fr 1fr; gap:40px; }
.guide-col-title { display:flex; align-items:center; gap:8px; font-size:18px; font-weight:700; color:var(--text); margin-bottom:24px; }
.guide-col-title.light { color:var(--text-dark); }
.gcd-blue { width:8px; height:8px; background:var(--blue); border-radius:50%; }
.gcd-mint { width:8px; height:8px; background:var(--mint); border-radius:50%; }
.guide-steps { display:flex; flex-direction:column; gap:0; }
.gstep { display:flex; gap:16px; align-items:flex-start; }
.gstep-num-col { display:flex; flex-direction:column; align-items:center; }
.gstep-num { width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; color:#fff; flex-shrink:0; }
.gsn-blue { background:var(--blue); }
.gsn-mint { background:var(--mint); color:#0d1117; }
.gstep-line { width:2px; flex:1; min-height:20px; margin:4px 0; }
.gstep-line.blue { background:rgba(35,144,240,0.2); }
.gstep-line.mint { background:rgba(6,214,160,0.2); }
.gstep-body { padding-bottom:24px; }
.gstep-title { font-size:14px; font-weight:700; color:var(--text); margin-bottom:4px; }
.gstep-title.light { color:var(--text-dark); }
.gstep-desc { font-size:13px; color:var(--text2); line-height:1.6; }
.gstep-desc.light { color:var(--text-dark2); }

/* System Requirements */
.req-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.req-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
.req-icon { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; margin-bottom:12px; }
.ri-blue { background:rgba(35,144,240,0.15); color:var(--blue); }
.ri-mint { background:rgba(6,214,160,0.15); color:var(--mint); }
.ri-amber { background:rgba(255,183,3,0.15); color:var(--amber); }
.ri-violet { background:rgba(163,113,247,0.15); color:var(--violet); }
.req-title { font-size:15px; font-weight:700; color:var(--text); margin-bottom:12px; }
.req-items { display:flex; flex-direction:column; gap:8px; }
.req-row { display:flex; justify-content:space-between; font-size:13px; padding:6px 0; border-bottom:1px solid var(--border); }
.req-row:last-child { border-bottom:none; }
.req-label { color:var(--text2); }
.req-val { color:var(--text); font-weight:600; }

/* Version Timeline */
.ver-list { display:flex; flex-direction:column; gap:0; }
.ver-item { display:flex; gap:20px; }
.ver-dot-col { display:flex; flex-direction:column; align-items:center; }
.ver-dot { width:12px; height:12px; border-radius:50%; flex-shrink:0; margin-top:4px; }
.vd-blue { background:var(--blue); }
.vd-mint { background:var(--mint); }
.vd-amber { background:var(--amber); }
.vd-rose { background:var(--rose); }
.vd-violet { background:var(--violet); }
.ver-line { width:2px; flex:1; background:var(--border); min-height:16px; margin:4px 0; }
.ver-body { padding-bottom:28px; }
.ver-head { display:flex; align-items:center; gap:10px; margin-bottom:6px; }
.ver-num { font-size:16px; font-weight:700; color:var(--text); }
.ver-tag { font-size:11px; font-weight:700; padding:2px 8px; border-radius:4px; text-transform:uppercase; }
.vt-stable { background:rgba(6,214,160,0.2); color:var(--mint); }
.vt-beta { background:rgba(255,183,3,0.2); color:var(--amber); }
.vt-lts { background:rgba(35,144,240,0.2); color:var(--blue-l); }
.ver-date { font-size:12px; color:var(--text2); }
.ver-desc { font-size:14px; color:var(--text2); line-height:1.7; }

/* News Grid */
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.news-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:24px; display:flex; flex-direction:column; gap:12px; transition:border-color 0.2s,transform 0.2s; }
.news-card:hover { border-color:var(--blue); transform:translateY(-2px); }
.news-card-tag { display:inline-flex; align-items:center; padding:3px 10px; border-radius:20px; font-size:12px; font-weight:700; width:fit-content; }
.news-tag-blue { background:rgba(35,144,240,0.15); color:var(--blue-l); }
.news-tag-mint { background:rgba(6,214,160,0.15); color:var(--mint); }
.news-tag-amber { background:rgba(255,183,3,0.15); color:var(--amber); }
.news-card-date { font-size:13px; color:var(--text2); }
.news-card-title { font-size:16px; font-weight:700; color:var(--text); line-height:1.5; flex:1; }
.news-card-title a { color:inherit; text-decoration:none; }
.news-card-title a:hover { color:var(--blue); }
.news-card-excerpt { font-size:14px; color:var(--text2); line-height:1.7; }
.news-read-more { display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:600; color:var(--blue); text-decoration:none; margin-top:auto; }
.news-read-more:hover { color:var(--blue-l); }

/* Article Page */
.art-wrap { max-width:820px; margin:0 auto; padding:48px 24px 80px; }
.art-crumb { display:flex; align-items:center; gap:8px; font-size:14px; color:var(--text2); margin-bottom:32px; }
.art-crumb a { color:var(--text2); text-decoration:none; }
.art-crumb a:hover { color:var(--blue); }
.art-header { margin-bottom:40px; }
.art-meta { display:flex; align-items:center; gap:12px; margin-bottom:16px; flex-wrap:wrap; }
.art-date { font-size:13px; color:var(--text2); }
.art-cat { padding:3px 12px; border-radius:20px; font-size:12px; font-weight:700; background:rgba(35,144,240,0.15); color:var(--blue-l); }
.art-title { font-size:clamp(24px,4vw,40px); font-weight:800; color:var(--text); line-height:1.3; }
.art-body { font-size:17px; color:var(--text2); line-height:1.8; }
.art-body h2 { font-size:22px; font-weight:700; color:var(--text); margin:40px 0 16px; }
.art-body h3 { font-size:18px; font-weight:700; color:var(--text); margin:28px 0 12px; }
.art-body p { margin-bottom:20px; }
.art-body ul,
.art-body ol { padding-left:24px; margin-bottom:20px; }
.art-body li { margin-bottom:10px; }
.art-body strong { color:var(--text); font-weight:700; }
.art-back { display:inline-flex; align-items:center; gap:6px; font-size:14px; color:var(--text2); text-decoration:none; margin-bottom:32px; }
.art-back:hover { color:var(--blue); }

/* News List Page */
.news-list-item { display:flex; gap:24px; padding:28px 0; border-bottom:1px solid var(--border); }
.news-list-date { min-width:72px; text-align:center; }
.news-list-day { font-size:28px; font-weight:800; color:var(--blue); line-height:1; }
.news-list-month { font-size:12px; color:var(--text2); margin-top:4px; }
.news-list-body { flex:1; }
.news-list-title { font-size:18px; font-weight:700; color:var(--text); margin-bottom:8px; line-height:1.5; }
.news-list-title a { color:inherit; text-decoration:none; }
.news-list-title a:hover { color:var(--blue); }
.news-list-excerpt { font-size:14px; color:var(--text2); line-height:1.7; margin-bottom:12px; }

/* Security Banner */
.sec-banner { background:rgba(6,214,160,0.06); border:1px solid rgba(6,214,160,0.2); border-radius:var(--radius); padding:24px 32px; display:flex; align-items:center; gap:20px; }
.sec-banner-icon { width:48px; height:48px; background:rgba(6,214,160,0.15); border-radius:12px; display:flex; align-items:center; justify-content:center; color:var(--mint); flex-shrink:0; }
.sec-banner-text { flex:1; }
.sec-banner-title { font-size:16px; font-weight:700; color:var(--mint); margin-bottom:4px; }
.sec-banner-desc { font-size:14px; color:var(--text2); line-height:1.6; }

/* Feature Tabs */
.ftab-nav { display:flex; gap:4px; background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:4px; margin-bottom:32px; width:fit-content; }
.ftab-btn { padding:8px 20px; border-radius:7px; font-size:14px; font-weight:600; color:var(--text2); cursor:pointer; border:none; background:transparent; transition:all 0.2s; }
.ftab-btn.active { background:var(--blue); color:#fff; }
.ftab-panel { display:none; }
.ftab-panel.active { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.ftab-chip { display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:20px; font-size:12px; font-weight:700; margin-bottom:12px; }
.ftc-blue { background:rgba(35,144,240,0.15); color:var(--blue-l); }
.ftc-mint { background:rgba(6,214,160,0.15); color:var(--mint); }
.ftc-amber { background:rgba(255,183,3,0.15); color:var(--amber); }
.ftc-violet { background:rgba(163,113,247,0.15); color:var(--violet); }
.ftab-h3 { font-size:24px; font-weight:800; color:var(--text); margin-bottom:12px; }
.ftab-desc { font-size:15px; color:var(--text2); line-height:1.8; margin-bottom:16px; }
.ftab-list { display:flex; flex-direction:column; gap:8px; }
.ftab-list-item { display:flex; align-items:flex-start; gap:8px; font-size:14px; color:var(--text3); }
.ftab-dot { width:6px; height:6px; border-radius:50%; flex-shrink:0; margin-top:7px; }
.ftab-dot.blue { background:var(--blue); }
.ftab-dot.mint { background:var(--mint); }
.ftab-dot.amber { background:var(--amber); }
.ftab-dot.violet { background:var(--violet); }
.ftv-panel { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius-lg); padding:28px; }
.ftv-title { font-size:13px; font-weight:700; color:var(--text2); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:20px; }
.ftv-bar-row { margin-bottom:14px; }
.ftv-bar-label { display:flex; justify-content:space-between; font-size:12px; margin-bottom:5px; color:var(--text3); }
.ftv-bar-track { height:8px; background:var(--bg3); border-radius:4px; overflow:hidden; }
.ftv-bar-fill { height:100%; border-radius:4px; }
.fvf-blue { background:linear-gradient(90deg,var(--blue),var(--blue-l)); }
.fvf-mint { background:linear-gradient(90deg,var(--mint),#3dd5b0); }
.fvf-amber { background:linear-gradient(90deg,var(--amber),#ffc733); }
.fvf-violet { background:linear-gradient(90deg,var(--violet),#c6a8f8); }
.ftv-stats { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin-top:20px; }
.ftv-stat { background:var(--bg3); border-radius:8px; padding:12px; text-align:center; }
.ftv-stat-num { font-size:20px; font-weight:800; color:var(--blue); }
.ftv-stat-lbl { font-size:11px; color:var(--text2); margin-top:2px; }

/* ===== ARTICLE / ZH-CN PAGE ===== */
.art-hero { background:linear-gradient(160deg,#0d1b2e,#0d1117); padding:100px 0 60px; }
.art-hero-inner { max-width:760px; }
.art-hero-crumb { display:flex; align-items:center; gap:6px; font-size:13px; color:var(--text2); margin-bottom:16px; }
.art-hero-crumb a { color:var(--blue-l); }
.art-hero-crumb-sep { color:var(--text2); }
.art-hero-title { font-size:clamp(28px,4vw,44px); font-weight:800; color:#fff; margin-bottom:14px; line-height:1.25; }
.art-hero-h1 { font-size:clamp(28px,4vw,44px); font-weight:800; color:#fff; margin-bottom:14px; line-height:1.25; }
.art-hero-sub { font-size:17px; color:var(--text3); line-height:1.7; }

.kw-strip { display:flex; flex-wrap:wrap; gap:8px; padding:20px 0; }
.kw { display:inline-block; padding:5px 14px; background:var(--bg2); border:1px solid var(--border); border-radius:20px; font-size:12px; font-weight:600; color:var(--text2); }
.kw:hover { border-color:var(--blue); color:var(--blue-l); }

.art-layout { display:grid; grid-template-columns:1fr 340px; gap:48px; align-items:start; }
.art-body { min-width:0; }
.art-body h2 { font-size:24px; font-weight:800; color:var(--text); margin:40px 0 16px; padding-bottom:10px; border-bottom:2px solid var(--border); }
.art-body h3 { font-size:18px; font-weight:700; color:var(--text); margin:28px 0 10px; }
.art-body p { font-size:15px; color:var(--text3); line-height:1.9; margin-bottom:16px; }
.art-body ul, .art-body ol { margin:12px 0 20px 20px; }
.art-body li { font-size:15px; color:var(--text3); line-height:1.8; margin-bottom:6px; }
.art-body strong { color:var(--text); font-weight:700; }
.art-body a { color:var(--blue-l); }
.art-bottom-cta { background:rgba(35,144,240,0.08); border:1px solid rgba(35,144,240,0.2); border-radius:var(--radius-lg); padding:40px; text-align:center; margin-top:48px; }
.art-bottom-cta h3 { font-size:22px; font-weight:800; color:var(--text); margin-bottom:12px; }
.art-bottom-cta p { font-size:15px; color:var(--text2); margin-bottom:24px; }

.inline-cta { border-radius:var(--radius); padding:24px 28px; margin:32px 0; display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.ic-blue { background:rgba(35,144,240,0.1); border:1px solid rgba(35,144,240,0.25); }
.ic-mint { background:rgba(6,214,160,0.08); border:1px solid rgba(6,214,160,0.2); }
.ic-amber { background:rgba(255,183,3,0.08); border:1px solid rgba(255,183,3,0.2); }
.inline-cta-body { flex:1; }
.inline-cta-title { font-size:16px; font-weight:700; color:var(--text); margin-bottom:4px; }
.inline-cta-desc { font-size:14px; color:var(--text2); }

.tips-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin:20px 0; }
.tip-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.tip-num { font-size:11px; font-weight:700; color:var(--blue); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:6px; }
.tip-title { font-size:15px; font-weight:700; color:var(--text); margin-bottom:8px; }
.tip-desc { font-size:13px; color:var(--text2); line-height:1.7; }

/* Sidebar */
.sidebar { position:sticky; top:88px; }
.sbox { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:24px; margin-bottom:20px; }
.sbox-title { font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; color:var(--text2); margin-bottom:16px; padding-bottom:10px; border-bottom:1px solid var(--border); }
.sdl-btn { display:flex; align-items:center; gap:12px; padding:12px 14px; border-radius:8px; border:1px solid var(--border); margin-bottom:10px; cursor:pointer; background:var(--bg3); width:100%; text-align:left; transition:all 0.2s; }
.sdl-btn:hover { border-color:var(--blue); }
.sdl-btn.primary { background:rgba(35,144,240,0.1); border-color:rgba(35,144,240,0.3); }
.sdl-btn-icon { width:36px; height:36px; border-radius:8px; background:rgba(35,144,240,0.15); display:flex; align-items:center; justify-content:center; color:var(--blue); flex-shrink:0; }
.sdl-btn-info { flex:1; }
.sdl-btn-name { font-size:13px; font-weight:700; color:var(--text); }
.sdl-btn-ver { font-size:11px; color:var(--text2); }
.stoc { display:flex; flex-direction:column; gap:6px; }
.stoc-item { display:flex; align-items:center; gap:8px; padding:6px 8px; border-radius:6px; font-size:13px; color:var(--text2); cursor:pointer; transition:all 0.2s; }
.stoc-item:hover { background:var(--bg3); color:var(--text); }
.stoc-dot { width:6px; height:6px; border-radius:50%; background:var(--border); flex-shrink:0; }
.stoc-item:hover .stoc-dot { background:var(--blue); }
.sstat-item { display:flex; justify-content:space-between; align-items:center; padding:8px 0; border-bottom:1px solid var(--border); }
.sstat-item:last-child { border-bottom:none; }
.sstat-lbl { font-size:13px; color:var(--text2); }
.sstat-num { font-size:14px; font-weight:700; color:var(--blue-l); }
.side-security { background:rgba(6,214,160,0.06); border:1px solid rgba(6,214,160,0.2); border-radius:var(--radius); padding:16px; font-size:12px; color:var(--text2); line-height:1.7; text-align:center; }
.side-security strong { color:var(--mint); }

/* Comparison table in article */
.art-cmp-wrap { overflow-x:auto; margin:20px 0; }
.art-cmp-table { width:100%; border-collapse:collapse; font-size:14px; }
.art-cmp-table th { background:var(--bg3); padding:12px 16px; text-align:left; font-weight:700; color:var(--text3); border-bottom:2px solid var(--border); }
.art-cmp-hl { background:rgba(35,144,240,0.08) !important; }
.art-cmp-table td { padding:11px 16px; border-bottom:1px solid var(--border); color:var(--text3); }

/* ===== FOOTER ===== */
.tg-footer { background:var(--bg2); border-top:1px solid var(--border); padding:40px 0; }
.tg-footer-inner { display:flex; flex-direction:column; gap:16px; align-items:center; text-align:center; }
.tg-footer-brand { display:flex; align-items:center; gap:10px; font-size:16px; font-weight:700; color:var(--text); }
.tg-footer-brand-icon { width:32px; height:32px; background:linear-gradient(135deg,var(--blue),var(--mint)); border-radius:8px; display:flex; align-items:center; justify-content:center; }
.tg-footer-security { display:flex; align-items:center; gap:6px; font-size:13px; color:var(--mint); font-weight:600; }
.tg-footer-note { font-size:12px; color:var(--text2); max-width:700px; line-height:1.7; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .feat-bento { grid-template-columns:repeat(2,1fr); }
  .plat-grid { grid-template-columns:repeat(2,1fr); }
  .req-grid { grid-template-columns:repeat(2,1fr); }
  .art-layout { grid-template-columns:1fr; }
  .sidebar { position:static; }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns:1fr; }
  .hero-vis { display:none; }
  .deep-row { grid-template-columns:1fr; }
  .deep-row.flip .deep-info { order:0; }
  .deep-row.flip .deep-vis { order:0; }
  .rev-grid { grid-template-columns:1fr; }
  .guide-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .stat-item { border-right:none; border-bottom:1px solid var(--border); }
  .stat-item:nth-child(2n) { border-right:none; }
  .op-grid { grid-template-columns:1fr; }
  .dl-specs { grid-template-columns:repeat(2,1fr); }
  .ftab-panel.active { grid-template-columns:1fr; }
  .ftab-nav { flex-wrap:wrap; }
  .tips-grid { grid-template-columns:1fr; }
  .news-grid { grid-template-columns:1fr; }
  .news-list-item { flex-direction:column; gap:12px; }
  .tg-links { display:none; }
  .tg-cta { display:none; }
  .nav-toggle { display:flex; margin-left:auto; }
  .sec { padding:60px 0; }
  .hero { padding:80px 0 60px; }
  .cta-banner { padding:40px 24px; }
  .inline-cta { flex-direction:column; }
}
@media (max-width: 480px) {
  .feat-bento { grid-template-columns:1fr; }
  .plat-grid { grid-template-columns:1fr; }
  .dl-specs { grid-template-columns:1fr; }
  .req-grid { grid-template-columns:1fr; }
}