/* ===== Dark Cosmos / Galaxy Trading Theme =====
   Base: #0b0e11 (deep space black)
   Primary: #F0B90B (Binance gold)
   Secondary: #00c8ff (electric cyan)
   Accent: #8b5cf6 (violet)
   Surface: #161a20
   Surface2: #1e2329
   Border: #2b3139
*/

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

:root {
  --gold: #F0B90B;
  --gold-d: #c99a08;
  --gold-l: #f5cd40;
  --cyan: #00c8ff;
  --cyan-d: #009ec8;
  --violet: #8b5cf6;
  --green: #02c076;
  --rose: #f6465d;
  --base: #0b0e11;
  --surf: #161a20;
  --surf2: #1e2329;
  --surf3: #252930;
  --border: #2b3139;
  --border2: #363c47;
  --text: #eaecef;
  --text2: #b7bdc6;
  --text3: #848e9c;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-gold: 0 0 24px rgba(240,185,11,0.25);
  --shadow-cyan: 0 0 24px rgba(0,200,255,0.2);
}

html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: var(--base); color: var(--text); line-height: 1.6; font-size: 15px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulseGold { 0%,100% { box-shadow: 0 0 0 0 rgba(240,185,11,0.4); } 50% { box-shadow: 0 0 0 12px rgba(240,185,11,0); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
@keyframes slideUp { from { opacity:0; transform: translateY(24px); } to { opacity:1; transform: translateY(0); } }
@keyframes starFloat { 0%,100% { opacity:0.2; } 50% { opacity:0.8; } }

/* ===== LAYOUT ===== */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.sec { padding: 80px 0; }
.sec-sm { padding: 48px 0; }
.sec-surf { background: var(--surf); }
.sec-surf2 { background: var(--surf2); }
.sec-dark { background: var(--base); }
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 12px; }
.ey-gold { color: var(--gold); }
.ey-cyan { color: var(--cyan); }
.ey-violet { color: var(--violet); }
.ey-green { color: var(--green); }
.ey-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; display: inline-block; }
.sec-title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; color: var(--text); line-height: 1.25; margin-bottom: 14px; }
.sec-sub { font-size: 16px; color: var(--text2); max-width: 560px; margin: 0 auto; }
.hl { color: var(--gold); }
.hl2 { color: var(--cyan); }
.hl3 { color: var(--violet); }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 700; border-radius: 8px; border: none; cursor: pointer; transition: all 0.2s; white-space: nowrap; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-gold { background: var(--gold); color: #0b0e11; }
.btn-gold:hover { background: var(--gold-l); transform: translateY(-1px); box-shadow: var(--shadow-gold); }
.btn-cyan { background: var(--cyan); color: #0b0e11; }
.btn-cyan:hover { background: #33d4ff; transform: translateY(-1px); box-shadow: var(--shadow-cyan); }
.btn-outline { background: transparent; color: var(--gold); border: 1.5px solid var(--gold); }
.btn-outline:hover { background: rgba(240,185,11,0.08); }
.btn-outline-cyan { background: transparent; color: var(--cyan); border: 1.5px solid var(--cyan); }
.btn-outline-cyan:hover { background: rgba(0,200,255,0.08); }
.btn-surf { background: var(--surf3); color: var(--text); border: 1px solid var(--border2); }
.btn-surf:hover { border-color: var(--gold); color: var(--gold); }
.btn-ghost { background: transparent; color: var(--text2); }
.btn-ghost:hover { color: var(--gold); }

/* ===== NAVBAR ===== */
.site-nav { position: sticky; top: 0; z-index: 100; background: rgba(11,14,17,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.nav-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-brand-icon { width: 32px; height: 32px; }
.nav-brand-name { font-size: 18px; font-weight: 800; color: var(--gold); letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 24px; }
.nav-link { padding: 6px 16px; border-radius: 6px; font-size: 14px; font-weight: 500; color: var(--text2); transition: all 0.18s; }
.nav-link:hover { color: var(--text); background: var(--surf2); }
.nav-link.active { background: var(--gold); color: #0b0e11; font-weight: 700; }
.nav-spacer { flex: 1; }
.nav-dl { display: flex; align-items: center; gap: 8px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text2); border-radius: 2px; transition: 0.2s; }
.nav-mobile { display: none; background: var(--surf); border-top: 1px solid var(--border); padding: 12px 0; }
.nav-mobile.show { display: block; }
.nav-mobile .nav-link { display: block; padding: 10px 20px; border-radius: 0; }

/* ===== HERO ===== */
.hero { position: relative; overflow: hidden; background: var(--base); padding: 100px 0 80px; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 60% 20%, rgba(240,185,11,0.08) 0%, transparent 60%), radial-gradient(ellipse 50% 40% at 10% 80%, rgba(0,200,255,0.06) 0%, transparent 50%); pointer-events: none; }
.hero-stars { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-star { position: absolute; width: 2px; height: 2px; border-radius: 50%; background: #fff; animation: starFloat 3s ease-in-out infinite; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-text { animation: slideUp 0.6s ease both; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(240,185,11,0.12); border: 1px solid rgba(240,185,11,0.3); border-radius: 20px; padding: 5px 14px; font-size: 12px; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); animation: pulseGold 2s infinite; }
.hero-h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 900; line-height: 1.15; color: var(--text); margin-bottom: 20px; letter-spacing: -0.02em; }
.hero-p { font-size: 17px; color: var(--text2); margin-bottom: 32px; max-width: 480px; line-height: 1.7; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text3); }
.hero-trust-icon { color: var(--gold); flex-shrink: 0; }
.hero-vis { animation: slideUp 0.6s 0.2s ease both; }

/* Terminal mockup */
.hero-terminal { background: var(--surf); border: 1px solid var(--border2); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); animation: floatY 6s ease-in-out infinite; }
.ht-topbar { background: var(--surf2); padding: 10px 16px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); }
.ht-dot { width: 10px; height: 10px; border-radius: 50%; }
.ht-dot.r { background: #f6465d; }
.ht-dot.y { background: #F0B90B; }
.ht-dot.g { background: #02c076; }
.ht-title { margin-left: 8px; font-size: 12px; color: var(--text3); font-family: monospace; }
.ht-body { padding: 16px; }
.ht-pair-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.ht-pair { background: var(--surf2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.ht-pair-name { font-size: 11px; color: var(--text3); margin-bottom: 4px; font-family: monospace; }
.ht-pair-price { font-size: 16px; font-weight: 700; font-family: monospace; }
.ht-pair-price.up { color: var(--green); }
.ht-pair-price.dn { color: var(--rose); }
.ht-pair-chg { font-size: 11px; font-weight: 600; }
.ht-pair-chg.up { color: var(--green); }
.ht-pair-chg.dn { color: var(--rose); }
.ht-chart-title { font-size: 11px; color: var(--text3); margin-bottom: 8px; font-family: monospace; }
.ht-chart { display: flex; align-items: flex-end; gap: 3px; height: 56px; margin-bottom: 12px; }
.ht-bar { flex: 1; border-radius: 3px 3px 0 0; min-width: 6px; }
.ht-bar.gold { background: var(--gold); }
.ht-bar.cyan { background: var(--cyan); opacity: 0.7; }
.ht-bar.green { background: var(--green); }
.ht-bar.rose { background: var(--rose); opacity: 0.7; }
.ht-bar.violet { background: var(--violet); opacity: 0.7; }
.ht-order-title { font-size: 11px; color: var(--text3); margin-bottom: 6px; font-family: monospace; }
.ht-order-row { display: flex; justify-content: space-between; font-size: 11px; font-family: monospace; padding: 2px 0; }
.ht-order-row .buy { color: var(--green); }
.ht-order-row .sell { color: var(--rose); }
.ht-order-row .price { color: var(--text2); }

/* ===== STATS BAND ===== */
.stats-band { background: var(--surf2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 32px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); }
.stat-item { background: var(--surf2); text-align: center; padding: 24px 16px; }
.stat-num { font-size: 36px; font-weight: 900; letter-spacing: -0.02em; line-height: 1; margin-bottom: 6px; }
.stat-num.c-gold { color: var(--gold); }
.stat-num.c-cyan { color: var(--cyan); }
.stat-num.c-green { color: var(--green); }
.stat-num.c-violet { color: var(--violet); }
.stat-lbl { font-size: 13px; color: var(--text3); }

/* ===== FEATURE CARDS ===== */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat-card { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: all 0.22s; position: relative; overflow: hidden; }
.feat-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: 3px 3px 0 0; transition: height 0.2s; }
.feat-card.fc-gold::before { background: var(--gold); }
.feat-card.fc-cyan::before { background: var(--cyan); }
.feat-card.fc-green::before { background: var(--green); }
.feat-card.fc-violet::before { background: var(--violet); }
.feat-card.fc-rose::before { background: var(--rose); }
.feat-card.fc-sky::before { background: #38bdf8; }
.feat-card:hover { border-color: var(--border2); transform: translateY(-3px); box-shadow: var(--shadow); }
.feat-card.fc-gold:hover { box-shadow: 0 8px 32px rgba(240,185,11,0.15); }
.feat-card.fc-cyan:hover { box-shadow: 0 8px 32px rgba(0,200,255,0.12); }
.feat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.fi-gold { background: rgba(240,185,11,0.12); color: var(--gold); }
.fi-cyan { background: rgba(0,200,255,0.1); color: var(--cyan); }
.fi-green { background: rgba(2,192,118,0.1); color: var(--green); }
.fi-violet { background: rgba(139,92,246,0.12); color: var(--violet); }
.fi-rose { background: rgba(246,70,93,0.1); color: var(--rose); }
.fi-sky { background: rgba(56,189,248,0.1); color: #38bdf8; }
.feat-name { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.feat-desc { font-size: 14px; color: var(--text2); line-height: 1.65; }

/* ===== PLATFORM GRID ===== */
.plat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.plat-card { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 20px; text-align: center; transition: all 0.22s; position: relative; }
.plat-card.featured { border-color: var(--gold); background: linear-gradient(160deg, rgba(240,185,11,0.06) 0%, var(--surf) 100%); }
.plat-card.featured::after { content: "主推"; position: absolute; top: 12px; right: 12px; background: var(--gold); color: #0b0e11; font-size: 11px; font-weight: 800; padding: 2px 8px; border-radius: 10px; }
.plat-card:hover { border-color: var(--border2); transform: translateY(-3px); box-shadow: var(--shadow); }
.plat-icon { width: 52px; height: 52px; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.pi-win { background: rgba(0,120,212,0.15); color: #0078d4; }
.pi-mac { background: rgba(200,200,200,0.1); color: #aaa; }
.pi-ios { background: rgba(0,122,255,0.1); color: #007aff; }
.pi-and { background: rgba(61,220,132,0.1); color: #3ddc84; }
.plat-name { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.plat-ver { font-size: 12px; color: var(--text3); margin-bottom: 4px; }
.plat-req { font-size: 12px; color: var(--text3); margin-bottom: 14px; }
.plat-desc { font-size: 13px; color: var(--text2); margin-bottom: 16px; line-height: 1.5; }
.plat-btn { width: 100%; }

/* ===== FEATURE TABS ===== */
.ftab-section { display: block; }
.ftab-nav { display: flex; gap: 4px; background: var(--surf2); border: 1px solid var(--border); border-radius: 10px; padding: 5px; margin-bottom: 28px; flex-wrap: wrap; }
.ftab-btn { padding: 8px 20px; border-radius: 7px; font-size: 14px; font-weight: 600; color: var(--text2); background: none; border: none; cursor: pointer; transition: all 0.18s; }
.ftab-btn:hover { color: var(--text); }
.ftab-btn.active { background: var(--gold); color: #0b0e11; }
.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; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; padding: 4px 10px; border-radius: 20px; }
.fcc-gold { background: rgba(240,185,11,0.1); color: var(--gold); border: 1px solid rgba(240,185,11,0.25); }
.fcc-cyan { background: rgba(0,200,255,0.08); color: var(--cyan); border: 1px solid rgba(0,200,255,0.2); }
.fcc-green { background: rgba(2,192,118,0.08); color: var(--green); border: 1px solid rgba(2,192,118,0.2); }
.fcc-violet { background: rgba(139,92,246,0.08); color: var(--violet); border: 1px solid rgba(139,92,246,0.2); }
.ftab-h3 { font-size: 26px; font-weight: 800; color: var(--text); margin-bottom: 12px; }
.ftab-desc { font-size: 15px; color: var(--text2); line-height: 1.7; margin-bottom: 18px; }
.ftab-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.ftld { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--text2); }
.ftld::before { content: ""; width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; margin-top: 7px; }
.ftld-gold::before { background: var(--gold); }
.ftld-cyan::before { background: var(--cyan); }
.ftld-green::before { background: var(--green); }
.ftld-violet::before { background: var(--violet); }
.ftab-visual { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.ftab-vis-title { font-size: 13px; font-weight: 700; color: var(--text3); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.08em; }
.fv-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.fv-bar-label { font-size: 12px; color: var(--text2); width: 80px; flex-shrink: 0; font-family: monospace; }
.fv-bar-track { flex: 1; height: 8px; background: var(--surf3); border-radius: 4px; overflow: hidden; }
.fv-bar-fill { height: 100%; border-radius: 4px; }
.fvf-gold { background: var(--gold); }
.fvf-cyan { background: var(--cyan); }
.fvf-green { background: var(--green); }
.fvf-violet { background: var(--violet); }
.fvf-rose { background: var(--rose); }
.fv-bar-val { font-size: 12px; color: var(--text3); width: 36px; text-align: right; font-family: monospace; }
.fv-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.fv-stat { text-align: center; background: var(--surf2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 8px; }
.fv-stat-num { font-size: 20px; font-weight: 800; color: var(--gold); margin-bottom: 4px; }
.fv-stat-lbl { font-size: 11px; color: var(--text3); }

/* ===== DEEP ROWS ===== */
.deep-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 64px 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; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 12px; border-radius: 20px; margin-bottom: 14px; }
.dc-gold { background: rgba(240,185,11,0.1); color: var(--gold); border: 1px solid rgba(240,185,11,0.25); }
.dc-cyan { background: rgba(0,200,255,0.08); color: var(--cyan); border: 1px solid rgba(0,200,255,0.2); }
.dc-green { background: rgba(2,192,118,0.08); color: var(--green); border: 1px solid rgba(2,192,118,0.2); }
.dc-violet { background: rgba(139,92,246,0.08); color: var(--violet); border: 1px solid rgba(139,92,246,0.2); }
.deep-h3 { font-size: 28px; font-weight: 800; color: var(--text); margin-bottom: 14px; line-height: 1.25; }
.deep-desc { font-size: 15px; color: var(--text2); line-height: 1.75; margin-bottom: 18px; }
.deep-list { display: flex; flex-direction: column; gap: 8px; }
.dl-item { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text2); }
.dl-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; margin-top: 7px; }
.dl-dot.gold { background: var(--gold); }
.dl-dot.cyan { background: var(--cyan); }
.dl-dot.green { background: var(--green); }
.dl-dot.violet { background: var(--violet); }
.deep-vis { min-width: 0; }
.dv-panel { background: var(--surf2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.dv-title { font-size: 12px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.dv-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.dv-bar-label { font-size: 12px; color: var(--text2); width: 76px; flex-shrink: 0; }
.dv-bar-track { flex: 1; height: 8px; background: var(--surf3); border-radius: 4px; overflow: hidden; }
.dv-bar-fill { height: 100%; border-radius: 4px; }
.dvbf-gold { background: linear-gradient(90deg, var(--gold-d), var(--gold)); }
.dvbf-cyan { background: linear-gradient(90deg, var(--cyan-d), var(--cyan)); }
.dvbf-green { background: var(--green); }
.dvbf-violet { background: var(--violet); }
.dv-bar-val { font-size: 12px; color: var(--text3); width: 36px; text-align: right; }
.dv-stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.dv-stat { background: var(--surf3); border: 1px solid var(--border); border-radius: 8px; padding: 12px; text-align: center; }
.dv-stat-num { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.c-gold { color: var(--gold); }
.c-cyan { color: var(--cyan); }
.c-green { color: var(--green); }
.c-violet { color: var(--violet); }
.c-rose { color: var(--rose); }
.dv-stat-lbl { font-size: 11px; color: var(--text3); }

/* ===== REVIEWS ===== */
.rev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rev-card { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: all 0.2s; }
.rev-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.rev-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.rev-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; color: #0b0e11; flex-shrink: 0; }
.av-gold { background: linear-gradient(135deg, var(--gold), var(--gold-l)); }
.av-cyan { background: linear-gradient(135deg, var(--cyan-d), var(--cyan)); }
.av-green { background: linear-gradient(135deg, #018a53, var(--green)); }
.av-violet { background: linear-gradient(135deg, #6d28d9, var(--violet)); }
.av-rose { background: linear-gradient(135deg, #be185d, var(--rose)); }
.av-sky { background: linear-gradient(135deg, #0369a1, #38bdf8); }
.rev-meta { min-width: 0; }
.rev-name { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.rev-role { font-size: 12px; color: var(--text3); }
.rev-stars { display: flex; gap: 2px; margin-bottom: 10px; color: var(--gold); }
.rev-text { font-size: 14px; color: var(--text2); line-height: 1.65; }

/* ===== COMPARISON TABLE ===== */
.cmp-wrap { overflow-x: auto; }
.cmp-table { width: 100%; border-collapse: collapse; }
.cmp-table th { background: var(--surf2); color: var(--text2); font-size: 13px; font-weight: 600; padding: 14px 16px; text-align: left; border: 1px solid var(--border); }
.cmp-table th.cmp-hl { background: rgba(240,185,11,0.12); color: var(--gold); border-color: rgba(240,185,11,0.3); }
.cmp-table td { padding: 13px 16px; font-size: 13px; color: var(--text2); border: 1px solid var(--border); vertical-align: middle; }
.cmp-table td.cmp-hl { background: rgba(240,185,11,0.05); font-weight: 600; color: var(--text); border-color: rgba(240,185,11,0.2); }
.cmp-table tr:hover td { background: var(--surf3); }
.yes { color: var(--green); display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }
.no { color: var(--rose); display: inline-flex; align-items: center; gap: 4px; }
.part { color: var(--gold); font-weight: 600; }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color 0.2s; }
.faq-item.open { border-color: var(--gold); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text); gap: 12px; user-select: none; }
.faq-chevron { width: 20px; height: 20px; color: var(--text3); flex-shrink: 0; transition: transform 0.25s; }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--gold); }
.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 20px 18px; font-size: 14px; color: var(--text2); line-height: 1.75; border-top: 1px solid var(--border); padding-top: 14px; }

/* ===== CTA BANNER ===== */
.cta-banner { background: linear-gradient(135deg, rgba(240,185,11,0.12) 0%, rgba(0,200,255,0.06) 100%); border: 1px solid rgba(240,185,11,0.2); border-radius: var(--radius-lg); padding: 56px 40px; text-align: center; }
.cta-eyebrow { font-size: 12px; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 12px; }
.cta-h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; color: var(--text); margin-bottom: 12px; }
.cta-p { font-size: 16px; color: var(--text2); max-width: 500px; margin: 0 auto 28px; }
.cta-btns { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ===== DOWNLOAD PAGE ===== */
.dl-hero { background: var(--base); padding: 80px 0 56px; position: relative; overflow: hidden; }
.dl-hero::before { content:""; position:absolute; inset:0; background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(240,185,11,0.08) 0%, transparent 60%); pointer-events:none; }
.dl-hero-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(2,192,118,0.12); border: 1px solid rgba(2,192,118,0.3); border-radius: 20px; padding: 4px 12px; font-size: 12px; font-weight: 700; color: var(--green); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.dl-hero-tag-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.dl-hero-h1 { font-size: clamp(28px, 5vw, 48px); font-weight: 900; color: var(--text); margin-bottom: 12px; }
.dl-hero-sub { font-size: 17px; color: var(--text2); max-width: 560px; }
.dl-win-wrap { display: flex; justify-content: center; margin-top: -20px; }
.dl-win-card { background: var(--surf); border: 1px solid var(--gold); border-radius: var(--radius-lg); overflow: hidden; max-width: 680px; width: 100%; box-shadow: 0 0 40px rgba(240,185,11,0.12); }
.dl-win-top { height: 6px; background: linear-gradient(90deg, var(--gold-d), var(--gold), var(--gold-l)); }
.dl-win-head { display: flex; align-items: center; gap: 16px; padding: 24px 28px 16px; border-bottom: 1px solid var(--border); }
.dl-win-icon { width: 48px; height: 48px; border-radius: 10px; background: rgba(240,185,11,0.1); display: flex; align-items: center; justify-content: center; color: var(--gold); flex-shrink: 0; }
.dl-win-info { min-width: 0; }
.dl-win-name { font-size: 20px; font-weight: 800; color: var(--text); }
.dl-win-meta { font-size: 13px; color: var(--text3); margin-top: 2px; }
.dl-win-body { padding: 24px 28px; }
.dl-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.dl-spec { background: var(--surf2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.dl-spec-label { font-size: 11px; color: var(--text3); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.dl-spec-val { font-size: 14px; font-weight: 700; color: var(--text); }
.dl-sec-badge { display: flex; align-items: center; gap: 8px; background: rgba(2,192,118,0.06); border: 1px solid rgba(2,192,118,0.2); border-radius: 8px; padding: 10px 14px; font-size: 13px; color: var(--green); margin-bottom: 18px; }
.dl-win-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.op-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.op-card { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px 20px; transition: all 0.2s; }
.op-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.op-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.op-name { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.op-ver { font-size: 12px; color: var(--text3); margin-bottom: 4px; }
.op-req { font-size: 12px; color: var(--text3); margin-bottom: 14px; }
.op-steps { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.op-step { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text2); }
.op-step-n { width: 20px; height: 20px; border-radius: 50%; background: var(--surf2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; color: var(--text3); flex-shrink: 0; margin-top: 1px; }
.op-btn { width: 100%; }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.guide-col-title { font-size: 18px; font-weight: 800; color: var(--text); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.guide-col-dot { width: 10px; height: 10px; border-radius: 50%; }
.gcd-gold { background: var(--gold); }
.gcd-cyan { background: var(--cyan); }
.guide-steps { display: flex; flex-direction: column; gap: 0; }
.gstep { display: flex; gap: 16px; padding-bottom: 24px; position: relative; }
.gstep:not(:last-child)::before { content: ""; position: absolute; left: 15px; top: 32px; bottom: 0; width: 1px; background: var(--border); }
.gstep-num-col { flex-shrink: 0; }
.gstep-num { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.gsn-gold { background: rgba(240,185,11,0.15); color: var(--gold); border: 1px solid rgba(240,185,11,0.3); }
.gsn-cyan { background: rgba(0,200,255,0.1); color: var(--cyan); border: 1px solid rgba(0,200,255,0.25); }
.gstep-body { padding-top: 5px; }
.gstep-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.gstep-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }
.req-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.req-card { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.req-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.req-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.req-val { font-size: 12px; color: var(--text2); line-height: 1.6; }
.ver-list { display: flex; flex-direction: column; gap: 0; }
.ver-item { display: flex; gap: 20px; padding-bottom: 24px; position: relative; }
.ver-item:not(:last-child)::before { content:""; position:absolute; left:15px; top:28px; bottom:0; width:1px; background:var(--border); }
.ver-dot-col { flex-shrink: 0; }
.ver-dot { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 8px; }
.vd-gold { background: rgba(240,185,11,0.15); border: 2px solid var(--gold); }
.vd-cyan { background: rgba(0,200,255,0.1); border: 2px solid var(--cyan); }
.vd-green { background: rgba(2,192,118,0.1); border: 2px solid var(--green); }
.vd-violet { background: rgba(139,92,246,0.1); border: 2px solid var(--violet); }
.vd-rose { background: rgba(246,70,93,0.1); border: 2px solid var(--rose); }
.ver-body { min-width: 0; }
.ver-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.ver-num { font-size: 15px; font-weight: 700; color: var(--text); }
.ver-tag { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 8px; }
.vt-stable { background: rgba(2,192,118,0.12); color: var(--green); }
.vt-lts { background: rgba(0,200,255,0.1); color: var(--cyan); }
.vt-beta { background: rgba(139,92,246,0.1); color: var(--violet); }
.ver-date { font-size: 12px; color: var(--text3); margin-bottom: 6px; }
.ver-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }
.sec-banner { background: linear-gradient(135deg, rgba(2,192,118,0.08), rgba(0,200,255,0.05)); border: 1px solid rgba(2,192,118,0.2); border-radius: var(--radius-lg); padding: 28px 32px; display: flex; align-items: flex-start; gap: 16px; }
.sec-banner-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(2,192,118,0.12); color: var(--green); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sec-banner-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.sec-banner-desc { font-size: 14px; color: var(--text2); line-height: 1.6; }

/* ===== ARTICLE / ZH-CN ===== */
.art-hero { background: var(--base); padding: 72px 0 48px; position: relative; overflow: hidden; }
.art-hero::before { content:""; position:absolute; inset:0; background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(240,185,11,0.06) 0%, transparent 60%); pointer-events:none; }
.art-hero-crumb { font-size: 13px; color: var(--text3); margin-bottom: 12px; }
.art-hero-crumb a { color: var(--gold); text-decoration: underline; }
.art-hero-h1 { font-size: clamp(26px, 4vw, 44px); font-weight: 900; color: var(--text); margin-bottom: 12px; }
.art-hero-sub { font-size: 16px; color: var(--text2); max-width: 600px; line-height: 1.7; }
.kw-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.kw { background: var(--surf2); border: 1px solid var(--border); border-radius: 20px; padding: 4px 12px; font-size: 12px; color: var(--text3); transition: all 0.15s; }
.kw:hover { border-color: var(--gold); color: var(--gold); }
.art-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.art-body { min-width: 0; }
.art-body h2 { font-size: 22px; font-weight: 800; color: var(--text); margin: 32px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.art-body h3 { font-size: 17px; font-weight: 700; color: var(--text); margin: 22px 0 10px; }
.art-body p { font-size: 15px; color: var(--text2); line-height: 1.8; margin-bottom: 14px; }
.art-body ul { padding-left: 0; margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.art-body ul li { font-size: 14px; color: var(--text2); padding-left: 16px; position: relative; line-height: 1.65; }
.art-body ul li::before { content: "›"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.inline-cta { border-radius: var(--radius-lg); padding: 24px 28px; margin: 28px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ic-gold { background: rgba(240,185,11,0.08); border: 1px solid rgba(240,185,11,0.2); }
.ic-cyan { background: rgba(0,200,255,0.06); border: 1px solid rgba(0,200,255,0.18); }
.ic-green { background: rgba(2,192,118,0.06); border: 1px solid rgba(2,192,118,0.18); }
.inline-cta-body { min-width: 0; }
.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: 12px; margin-bottom: 16px; }
.tip-card { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.tip-num { font-size: 22px; font-weight: 900; color: var(--gold); opacity: 0.5; margin-bottom: 6px; line-height: 1; }
.tip-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.tip-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }
.art-cmp-wrap { overflow-x: auto; margin: 16px 0; }
.art-cmp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.art-cmp-table th { background: var(--surf2); color: var(--text2); padding: 11px 14px; text-align: left; border: 1px solid var(--border); font-weight: 600; }
.art-cmp-table th.art-cmp-hl { background: rgba(240,185,11,0.1); color: var(--gold); }
.art-cmp-table td { padding: 11px 14px; color: var(--text2); border: 1px solid var(--border); }
.art-cmp-table td.art-cmp-hl { background: rgba(240,185,11,0.04); font-weight: 600; color: var(--text); }

/* Sidebar */
.sidebar { position: sticky; top: 84px; }
.sbox { background: var(--surf); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px; }
.sbox-title { font-size: 13px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.sdl-btn { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; background: var(--surf2); border: 1px solid var(--border); margin-bottom: 8px; cursor: pointer; transition: all 0.18s; width: 100%; text-align: left; }
.sdl-btn:hover { border-color: var(--gold); }
.sdl-btn.primary { background: var(--gold); border-color: var(--gold); color: #0b0e11; }
.sdl-btn.primary .sdl-btn-name { color: #0b0e11; }
.sdl-btn-icon { width: 32px; height: 32px; border-radius: 6px; background: var(--surf3); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sdl-btn.primary .sdl-btn-icon { background: rgba(0,0,0,0.15); }
.sdl-btn-info { flex: 1; min-width: 0; }
.sdl-btn-name { font-size: 13px; font-weight: 700; color: var(--text); }
.sdl-btn-ver { font-size: 11px; color: var(--text3); }
.stoc { display: flex; flex-direction: column; gap: 6px; }
.stoc-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text2); padding: 4px 0; cursor: pointer; }
.stoc-item:hover { color: var(--gold); }
.stoc-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border2); flex-shrink: 0; }
.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(--gold); }
.side-security { background: rgba(2,192,118,0.06); border: 1px solid rgba(2,192,118,0.18); border-radius: var(--radius); padding: 14px 16px; font-size: 12px; color: var(--green); line-height: 1.6; }
.side-security-icon { float: left; margin-right: 8px; margin-top: 1px; }

/* ===== FOOTER ===== */
.site-footer { background: var(--surf); border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand-icon { width: 28px; height: 28px; }
.footer-brand-name { font-size: 16px; font-weight: 800; color: var(--gold); }
.footer-security { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--green); }
.footer-note { font-size: 12px; color: var(--text3); max-width: 560px; line-height: 1.6; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .rev-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; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .deep-row { grid-template-columns: 1fr; }
  .deep-row.flip .deep-info { order: 0; }
  .deep-row.flip .deep-vis { order: 0; }
  .ftab-panel.active { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
  .op-grid { grid-template-columns: 1fr; }
  .dl-specs { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-dl { display: none; }
  .feat-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
  .rev-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .plat-grid { grid-template-columns: 1fr 1fr; }
  .dl-specs { grid-template-columns: 1fr 1fr; }
  .fv-stats { grid-template-columns: 1fr 1fr; }
}

/* ===== NEWS ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--surf3); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; display: flex; flex-direction: column; gap: 12px; transition: border-color 0.2s, transform 0.2s; }
.news-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.news-card-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; }
.news-tag-gold { background: rgba(240,185,11,0.15); color: var(--gold); }
.news-tag-cyan { background: rgba(0,200,255,0.12); color: var(--cyan); }
.news-tag-green { background: rgba(2,192,118,0.12); color: var(--green); }
.news-tag-violet { background: rgba(139,92,246,0.12); color: var(--violet); }
.news-card-date { font-size: 12px; color: var(--text3); }
.news-card-title { font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.45; }
.news-card-title a { color: inherit; text-decoration: none; }
.news-card-title a:hover { color: var(--gold); }
.news-card-excerpt { font-size: 14px; color: var(--text2); line-height: 1.65; flex: 1; }
.news-read-more { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 700; color: var(--gold); margin-top: auto; }
.news-read-more:hover { color: var(--gold-l); }
.news-more-wrap { text-align: center; margin-top: 40px; }

/* News list page */
.news-list { display: flex; flex-direction: column; gap: 24px; max-width: 860px; margin: 0 auto; }
.news-item { display: flex; gap: 24px; background: var(--surf3); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: border-color 0.2s; }
.news-item:hover { border-color: var(--gold); }
.news-item-date { min-width: 60px; text-align: center; }
.news-item-day { font-size: 28px; font-weight: 800; color: var(--gold); line-height: 1; }
.news-item-month { font-size: 12px; color: var(--text3); margin-top: 4px; }
.news-item-content { flex: 1; }
.news-item-title { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
.news-item-excerpt { font-size: 14px; color: var(--text2); line-height: 1.65; margin-bottom: 14px; }
.news-link { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; color: var(--gold); }
.news-link:hover { color: var(--gold-l); }

/* Article page */
.article-wrap { max-width: 800px; margin: 0 auto; padding: 48px 20px 80px; }
.article-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text3); margin-bottom: 32px; }
.article-back:hover { color: var(--gold); }
.article-header { margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.article-date { font-size: 13px; color: var(--text3); }
.article-category { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; background: rgba(240,185,11,0.15); color: var(--gold); }
.article-title { font-size: clamp(22px, 4vw, 32px); font-weight: 800; color: var(--text); line-height: 1.3; }
.article-body { font-size: 16px; color: var(--text2); line-height: 1.85; }
.article-body h2 { font-size: 22px; font-weight: 700; color: var(--text); margin: 36px 0 14px; }
.article-body h3 { font-size: 17px; font-weight: 700; color: var(--text); margin: 24px 0 10px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 20px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); font-weight: 700; }

@media (max-width: 767px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; gap: 16px; }
  .news-item-date { display: flex; align-items: center; gap: 8px; min-width: auto; text-align: left; }
  .news-item-day { font-size: 18px; }
}