:root{color-scheme:dark;--void:#050608;--panel:rgba(16,18,24,.72);--panel-strong:rgba(27,30,39,.86);--ink:#f7f5ef;--muted:#b5bac6;--soft:#848b9a;--red:#e33838;--red2:#ff6b4d;--gold:#f3c975;--cyan:#69e2ff;--line:rgba(255,255,255,.16);--glass:linear-gradient(135deg,rgba(255,255,255,.18),rgba(255,255,255,.04));--shadow:0 28px 90px rgba(0,0,0,.55)}*{box-sizing:border-box}html{background:var(--void)}body{margin:0;min-width:0;background:radial-gradient(circle at 18% 8%,rgba(227,56,56,.25),transparent 34%),radial-gradient(circle at 88% 3%,rgba(105,226,255,.14),transparent 30%),linear-gradient(180deg,#050608 0%,#080b11 52%,#020204 100%);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:0}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 0 22%,rgba(255,255,255,.05) 23%,transparent 24% 54%,rgba(255,255,255,.035) 55%,transparent 56%),radial-gradient(circle at 50% 105%,rgba(227,56,56,.22),transparent 36%);mix-blend-mode:screen}a{color:inherit;text-decoration:none}p{line-height:1.75;color:var(--muted)}img{display:block;max-width:100%}.brandbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:14px clamp(18px,4vw,58px);background:rgba(5,6,8,.72);backdrop-filter:blur(22px) saturate(150%);border-bottom:1px solid var(--line)}.mark-lockup{display:flex;align-items:center;gap:12px}.mark-lockup strong{display:block;font-size:17px}.mark-lockup small{display:block;color:var(--soft);margin-top:2px}.coral-mark{width:38px;height:38px;border-radius:14px;background:radial-gradient(circle at 65% 25%,#fff 0 8%,transparent 9%),linear-gradient(145deg,#50080a,#e33838 62%,#ffb067);box-shadow:inset 0 0 18px rgba(255,255,255,.25),0 0 28px rgba(227,56,56,.34)}.nav-shelf{display:flex;align-items:center;gap:7px}.nav-shelf a{padding:9px 12px;border:1px solid transparent;color:#dfe3ea}.nav-shelf a:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.09)}.nav-toggle{display:none;border:1px solid var(--line);background:rgba(255,255,255,.08);color:var(--ink);padding:9px 12px}.brand-hero{min-height:calc(100vh - 150px);display:grid;grid-template-columns:minmax(0,.82fr) minmax(430px,1.18fr);align-items:center;gap:34px;padding:38px clamp(18px,5vw,74px) 52px;overflow:hidden}.hero-panel{max-width:720px;position:relative;z-index:2}.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:900;letter-spacing:.08em;color:var(--gold);text-transform:uppercase}.eyebrow:before{content:"";width:36px;height:2px;background:linear-gradient(90deg,var(--red),var(--gold))}.hero-panel h1{font-size:clamp(36px,4vw,58px);line-height:1.03;margin:16px 0;text-wrap:balance}.hero-panel p{font-size:18px;color:#d8dce4;max-width:680px}.hero-actions,.link-cluster{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.primary-action,.secondary-action,.link-cluster a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 18px;border:1px solid var(--line);font-weight:900;backdrop-filter:blur(16px);box-shadow:inset 0 1px 0 rgba(255,255,255,.18)}.primary-action{background:linear-gradient(135deg,#e33838,#7d1016);border-color:rgba(255,96,78,.65);color:#fff}.secondary-action,.link-cluster a{background:rgba(255,255,255,.08);color:#f2f4f8}.hero-visual{margin:0;position:relative}.hero-visual:before{content:"";position:absolute;inset:8% -2% -8% 8%;background:radial-gradient(circle,rgba(227,56,56,.34),transparent 60%);filter:blur(24px)}.hero-visual img{position:relative;width:100%;max-height:580px;aspect-ratio:1672/941;object-fit:cover;border:1px solid rgba(255,255,255,.2);border-radius:8px;box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.2)}.brand-ribbon{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:0 clamp(18px,5vw,74px) 52px}.ribbon-cell,.client-shelf,.device-runway,.guide-ledger,.faq-stack,.contact-panel,.inner-wrap,.article-sheet{background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(22px) saturate(145%);border-radius:8px}.ribbon-cell{padding:18px;min-height:132px;display:flex;flex-direction:column;justify-content:space-between}.ribbon-cell strong{font-size:22px}.ribbon-cell span{color:var(--muted);line-height:1.6}.client-shelf,.device-runway,.guide-ledger,.faq-stack,.contact-panel,.inner-wrap{max-width:1180px;margin:0 auto 46px;padding:34px clamp(18px,4vw,36px)}.shelf-title,.guide-head,.faq-head{margin-bottom:22px}.shelf-title h2,.device-runway h2,.guide-head h2,.faq-head h2,.contact-panel h2,.inner-wrap h1{font-size:clamp(28px,3.2vw,46px);line-height:1.15;margin:12px 0}.platform-tiles,.zone-board{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.platform-tiles article,.zone-board article,.runway-lines div,.guide-card,.help-lanes a,.steps-panel,.legal-copy{background:rgba(6,8,12,.58);border:1px solid var(--line);padding:20px;border-radius:8px;box-shadow:inset 0 1px 0 rgba(255,255,255,.1)}.platform-tiles span{display:block;width:52px;height:8px;background:linear-gradient(90deg,var(--red),var(--gold));margin-bottom:18px;border-radius:999px}.platform-tiles h3,.zone-board h2{font-size:22px;margin:0 0 10px}.device-runway{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.runway-lines{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.runway-lines strong{display:block;font-size:22px;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:8px}.guide-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.guide-grid.full{grid-template-columns:repeat(2,1fr)}.guide-card{display:flex;flex-direction:column;gap:10px;min-height:218px}.guide-card span,.article-sheet header span,.back-link{color:var(--gold);font-weight:900;font-size:13px}.guide-card strong{font-size:20px;line-height:1.35}.guide-card em{font-style:normal;color:var(--muted);line-height:1.6}.faq-stack details{background:rgba(6,8,12,.6);border:1px solid var(--line);margin:10px 0;padding:0 18px;border-radius:8px}.faq-stack summary{cursor:pointer;font-weight:900;padding:16px 0}.contact-panel{display:flex;align-items:center;justify-content:space-between;gap:22px}.inner-wrap{margin-top:36px}.inner-wrap>header{max-width:870px;margin-bottom:26px}.inner-wrap>header p{font-size:18px;color:var(--muted)}.wide{grid-template-columns:repeat(2,1fr)}.steps-panel,.legal-copy{margin-top:18px}.steps-panel ol{margin:0;padding-left:22px;line-height:1.85;color:var(--muted)}.steps-panel strong{color:var(--ink)}.help-lanes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}.help-lanes a{font-weight:900}.article-sheet{max-width:900px;margin:36px auto 52px;padding:38px clamp(18px,4vw,42px)}.article-sheet h1{font-size:clamp(30px,4vw,54px);line-height:1.15}.article-sheet h2{margin-top:30px;font-size:25px}.mail-panel{display:grid;gap:14px;max-width:720px}.mail-panel label{display:grid;gap:8px;font-weight:900}.mail-panel input,.mail-panel textarea{width:100%;border:1px solid var(--line);padding:13px;background:rgba(255,255,255,.08);color:var(--ink);font:inherit}.mail-panel button{width:max-content;border:1px solid rgba(255,96,78,.65);background:linear-gradient(135deg,#e33838,#7d1016);color:#fff;font-weight:900;padding:12px 18px}.brand-footer{display:grid;grid-template-columns:1fr 1.4fr;gap:24px;padding:34px clamp(18px,5vw,74px);background:#030406;color:#fff;border-top:1px solid var(--line)}.brand-footer p{color:var(--muted)}.brand-footer nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.brand-footer a{border:1px solid rgba(255,255,255,.24);padding:9px 11px}@media (max-width:940px){.nav-toggle{display:block}.nav-shelf{display:none;position:absolute;left:16px;right:16px;top:66px;background:rgba(8,10,14,.96);border:1px solid var(--line);padding:10px;flex-direction:column;align-items:stretch}.nav-shelf.is-open{display:flex}.brand-hero{grid-template-columns:1fr;gap:20px;padding-top:24px;min-height:auto}.hero-visual{order:-1}.hero-visual img{max-height:220px;object-position:60% center}.brand-ribbon,.platform-tiles,.zone-board,.zone-board.wide,.runway-lines,.guide-grid,.guide-grid.full,.device-runway,.help-lanes{grid-template-columns:1fr}.brand-ribbon{padding-bottom:28px}.contact-panel{display:block}.guide-card{min-height:auto}.brand-footer{grid-template-columns:1fr}.brand-footer nav{justify-content:flex-start}}@media (max-width:540px){.brandbar{padding:12px 14px}.brand-hero{padding-left:14px;padding-right:14px}.hero-panel h1{font-size:29px}.hero-panel p{font-size:16px;line-height:1.62}.client-shelf,.device-runway,.guide-ledger,.faq-stack,.contact-panel,.inner-wrap,.article-sheet{margin-left:12px;margin-right:12px;padding-left:16px;padding-right:16px}.brand-ribbon{padding-left:12px;padding-right:12px}.hero-actions,.link-cluster{flex-direction:column}.primary-action,.secondary-action,.link-cluster a{width:100%}.mark-lockup strong{font-size:15px}.mark-lockup small{font-size:12px}}