:root{--bg-page:#fbfbfd;--bg-surface:#fff;--bg-surface-2:#f5f5f7;--bg-elevated:#fff;--bg-chip:#f2f2f4;--border-subtle:rgba(0,0,0,.06);--border-default:rgba(0,0,0,.1);--border-strong:rgba(0,0,0,.18);--text-primary:#1d1d1f;--text-secondary:#424245;--text-tertiary:#6e6e73;--text-dim:#86868b;--brand:#06c;--brand-soft:#0071e3;--cta:#f97316;--cta-hover:#ea6a0f;--cta-dark:#c2410c;--cta-vivid:#ff4d00;--cta-soft:rgba(249,115,22,.1);--cta-border:rgba(249,115,22,.28);--success:#22c55e;--danger:#ef4444;--danger-hot:#dc2626;--card-accent:#1e40af;--highlight:#fbbf24;--data-primary:#1d1d1f;--topnav-h:60px;--r-sm:6px;--r-md:10px;--r-lg:14px;--r-xl:20px;--r-2xl:28px;--shadow-card:0 1px 2px rgba(0,0,0,.04),0 4px 12px -4px rgba(0,0,0,.06);--shadow-float:0 10px 30px -8px rgba(0,0,0,.15);--font-sans:"SF Pro SC","SF Pro Display","PingFang SC","Helvetica Neue",Helvetica,Arial,sans-serif;--font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;--font-mono:"SF Mono","JetBrains Mono","Roboto 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var(--border-subtle)}.chip.solid{background:var(--cta-soft);color:var(--cta);border-color:rgba(249,115,22,.25)}.chip.ghost{background:transparent;border-color:var(--border-default);color:var(--text-secondary)}.chip.success{background:rgba(34,197,94,.1);color:#15803d;border-color:rgba(34,197,94,.25)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-md);font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease;text-decoration:none}.btn-primary{background:var(--cta);color:#fff}.btn-primary:hover{background:var(--cta-hover);transform:translateY(-1px);color:#fff}.btn-ghost{background:transparent;color:var(--text-primary);border-color:var(--border-default)}.btn-ghost:hover{border-color:var(--border-strong)}.btn-lg{height:52px;padding:0 24px;font-size:15px}.crumbs{display:flex;flex-wrap:wrap;font-size:13px;color:var(--text-tertiary);padding:18px 0;margin:0}.crumbs,.crumbs li{align-items:center;gap:6px}.crumbs li{list-style:none;display:inline-flex}.crumbs li+li:before{content:"/";color:var(--text-dim);margin-right:6px}.crumbs a{color:var(--text-tertiary)}.crumbs a:hover{color:var(--text-primary)}.crumbs [aria-current]{color:var(--text-secondary)}.topnav{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:rgba(251,251,253,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border-subtle)}.topnav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}.topnav-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.01em;color:var(--text-primary)}.topnav-logo-mark{width:28px;height:28px;border-radius:8px;flex-shrink:0}.topnav-links{display:flex;gap:28px;align-items:center}.topnav-links a{color:var(--text-secondary);font-size:14px}.topnav-links a:hover{color:var(--text-primary)}.topnav-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:6px;margin:-6px}.topnav-hamburger{display:flex;flex-direction:column;gap:5px;width:22px}.topnav-hamburger span{display:block;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .2s,opacity .2s}.topnav-hamburger.open span:first-child{transform:translateY(7px) rotate(45deg)}.topnav-hamburger.open span:nth-child(2){opacity:0}.topnav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.topnav-dropdown{position:absolute;top:60px;left:0;right:0;z-index:39;background:rgba(251,251,253,.97);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border-subtle);padding:8px 0;display:flex;flex-direction:column}.topnav-dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-size:15px;font-weight:500;color:var(--text-primary)}.topnav-dropdown-item:active{background:var(--bg-surface-2)}.topnav-dropdown-logo{border-radius:6px;flex-shrink:0;object-fit:contain}@media (max-width:720px){.topnav-links{display:none}.topnav-menu-btn{display:flex;align-items:center;justify-content:center}}.tbl{width:100%;border-collapse:collapse;font-size:14px}.tbl td,.tbl th{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border-subtle);vertical-align:middle}.tbl th{color:var(--text-tertiary);font-weight:500;font-size:12px;letter-spacing:.05em;text-transform:uppercase;background:rgba(0,0,0,.02)}.tbl tbody tr:last-child td{border-bottom:0}.tbl .num{font-weight:600;color:var(--text-primary)}.tbl .row-highlight{background:rgba(249,115,22,.05)}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:20px}.grid-2,.grid-3{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px}@media (max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;background:hsla(0,0%,100%,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border-subtle);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:none;box-shadow:0 -4px 20px -8px rgba(0,0,0,.08)}.sticky-cta .row{display:flex;gap:12px;align-items:center;max-width:1200px;margin:0 auto}.sticky-cta .price-blob{display:flex;align-items:baseline;gap:4px}.sticky-cta .price-blob .big{font-size:22px;font-weight:700;color:var(--cta)}.sticky-cta .price-blob .small{font-size:12px;color:var(--text-tertiary)}.floating-cta{position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom));z-index:45;display:none}.inline-cta-card{margin-top:28px;padding:24px;background:linear-gradient(135deg,var(--cta-soft),rgba(249,115,22,.02));border:1px solid var(--cta-border);border-radius:var(--r-xl);display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}.tweaks{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:100;width:300px;max-height:78vh;overflow:auto;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--r-xl);box-shadow:var(--shadow-float);padding:16px;font-size:13px;display:none}.tweaks h4{margin:0 0 6px;font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-tertiary);font-weight:500}.tweaks .group{padding:12px 0;border-bottom:1px solid var(--border-subtle)}.tweaks .group:last-child{border-bottom:0}.tweaks .opts{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:6px;gap:6px}.tweaks .opts.two{grid-template-columns:repeat(2,1fr)}.tweaks .opt{padding:10px 8px;border-radius:8px;text-align:center;background:var(--bg-surface-2);border:1px solid var(--border-subtle);font-size:12px;cursor:pointer;color:var(--text-secondary);line-height:1.2}.tweaks .opt:hover{border-color:var(--border-strong);color:var(--text-primary)}.tweaks .opt.active{background:var(--cta-soft);border-color:rgba(249,115,22,.5);color:var(--cta)}.tweaks-toggle{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:99;width:46px;height:46px;border-radius:50%;background:var(--cta);color:#fff;border:0;cursor:pointer;box-shadow:var(--shadow-float);font-weight:700;font-size:18px}.img-placeholder,.tweaks-toggle{display:flex;align-items:center;justify-content:center}.img-placeholder{aspect-ratio:1/1;background:repeating-linear-gradient(135deg,rgba(0,0,0,.02) 0 10px,transparent 10px 20px),linear-gradient(180deg,#f5f5f7,#eaeaec);border:1px solid var(--border-subtle);border-radius:var(--r-xl);position:relative;overflow:hidden}.tweaks::-webkit-scrollbar{width:6px}.tweaks::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1);border-radius:3px}.hero-summary{margin:28px 0 0;padding:20px 24px;background:linear-gradient(90deg,rgba(0,102,204,.06),rgba(0,102,204,.01));border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;font-size:16px;line-height:1.75;color:var(--text-primary)}@media (max-width:640px){.hero-summary{font-size:15px;padding:16px 18px}}.footer{padding:48px 0 32px;border-top:1px solid var(--border-subtle);color:var(--text-tertiary);font-size:13px;margin-top:48px}.footer-disclaim{margin-top:14px;font-size:12px;color:var(--text-dim);line-height:1.7}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.space{flex:1 1}.muted{color:var(--text-tertiary)}.small{font-size:13px}.xs{font-size:12px}