:root{--c-bg: #060913;--c-bg-soft: #0b1020;--c-surface: rgba(255, 255, 255, .04);--c-surface-2: rgba(255, 255, 255, .06);--c-border: rgba(255, 255, 255, .1);--c-border-strong: rgba(255, 255, 255, .18);--c-text: #eef1fb;--c-text-soft: #aab2cf;--c-text-mute: #717a99;--c-primary: #5b8cff;--c-primary-2: #8a5bff;--c-accent: #22e5c5;--c-accent-2: #ff5b9e;--grad-brand: linear-gradient(120deg, #5b8cff 0%, #8a5bff 45%, #22e5c5 100%);--grad-brand-soft: linear-gradient(120deg, rgba(91, 140, 255, .18), rgba(138, 91, 255, .18));--grad-text: linear-gradient(100deg, #8db4ff, #b89cff 50%, #5ff0d8);--font-sans: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;--maxw: 1200px;--radius: 18px;--radius-lg: 26px;--shadow-soft: 0 20px 60px -20px rgba(0, 0, 0, .7);--shadow-glow: 0 0 0 1px rgba(91, 140, 255, .25), 0 25px 70px -25px rgba(91, 140, 255, .55);--ease: cubic-bezier(.22, 1, .36, 1);--bar-h: 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#5b8cff99}.announce-track{display:flex;align-items:center;gap:0;white-space:nowrap;flex:none;animation:marquee 26s linear infinite}.announce-bar:hover .announce-track{animation-play-state:paused}.announce-item{display:inline-flex;align-items:center;gap:12px;padding:0 22px}.announce-dot{font-size:.6rem;opacity:.7}@keyframes marquee{0%{transform:translate(0)}to{transform:translate(-50%)}}.site-header{position:fixed;top:var(--bar-h);left:0;right:0;z-index:100;transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s var(--ease);border-bottom:1px solid transparent}.site-header.scrolled{background:#060913b8;border-bottom-color:var(--c-border);backdrop-filter:blur(16px) saturate(140%)}.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.18rem;letter-spacing:-.01em}.brand .logo{width:38px;height:38px;flex:none}.brand 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p.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--c-text-soft);max-width:560px;margin-bottom:34px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}.hero-tags{display:flex;flex-wrap:wrap;gap:12px}.hero-tags li{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--c-border);border-radius:999px;background:var(--c-surface);font-size:.9rem;color:var(--c-text-soft)}.hero-tags .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}.hero-visual{position:relative}.dashboard{position:relative;background:linear-gradient(160deg,#12182ce6,#0a0e1ce6);border:1px solid var(--c-border-strong);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-glow);backdrop-filter:blur(14px)}.dashboard-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.dashboard-head 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svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--c-accent)}.pl-google{background:linear-gradient(135deg,#4285f4,#34a853)}.pl-meta{background:linear-gradient(135deg,#0866ff,#6a5cff)}.pl-tiktok{background:linear-gradient(135deg,#25f4ee,#fe2c55)}.pl-x{background:linear-gradient(135deg,#1d1d1f,#4b4b50)}.pl-bing{background:linear-gradient(135deg,#008373,#00bcd4)}.pl-special{background:linear-gradient(135deg,#ff8a3d,#ff5b9e)}.solutions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.solution-card{text-align:left}.solution-card.is-featured{background:linear-gradient(160deg,#5b8cff24,#8a5bff14);border-color:var(--c-border-strong)}.solution-card.is-featured:before{opacity:.55}.solution-card .sol-badge{position:absolute;top:16px;right:16px;font-size:.7rem;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:999px;color:#060913;background:var(--grad-brand)}.solution-card .sol-icon{font-size:1.9rem;width:60px;height:60px;border-radius:16px;display:grid;place-items:center;background:var(--grad-brand-soft);border:1px solid var(--c-border);margin-bottom:18px}.solution-card h3{font-size:1.12rem;margin-bottom:10px}.solution-card p{color:var(--c-text-soft);font-size:.92rem}.compare-panel{padding:clamp(24px,4vw,38px);margin-bottom:34px}.compare-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:30px}.compare-head h3{font-size:1.2rem}.compare-legend{display:flex;gap:18px;font-size:.86rem;color:var(--c-text-soft)}.compare-legend span{display:inline-flex;align-items:center;gap:7px}.compare-legend 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60%),linear-gradient(160deg,#141a30e6,#090d1be6);overflow:hidden}.cta-box h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:16px}.cta-box p{color:var(--c-text-soft);max-width:620px;margin:0 auto 32px;font-size:1.05rem}.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}.cta-note{margin-top:22px;color:var(--c-text-mute);font-size:.88rem}.site-footer{border-top:1px solid var(--c-border);padding-block:56px 30px;margin-top:30px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand p{color:var(--c-text-soft);font-size:.93rem;margin-top:16px;max-width:360px}.footer-col h4{font-size:.95rem;margin-bottom:16px;color:var(--c-text)}.footer-col ul{display:grid;gap:11px}.footer-col a,.footer-col li{color:var(--c-text-soft);font-size:.92rem;transition:color .25s}.footer-col 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