:root{--accent:#4f46e5;--accent-soft:color-mix(in srgb, var(--accent) 18%, transparent);--accent-strong:color-mix(in srgb, var(--accent) 82%, white);--bg:#0b0d17;--bg-elev:#12152400;--surface:#ffffff0a;--surface-2:#ffffff0f;--border:#ffffff14;--border-strong:#ffffff24;--text:#f2f4fb;--text-dim:#a7adc4;--text-faint:#6f7590;--radius:18px;--radius-lg:26px;--radius-sm:12px;--shadow:0 20px 60px -20px #0009;--shadow-soft:0 8px 30px -12px #00000080;--maxw:1120px;--gutter:clamp(20px, 5vw, 48px);--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.6;overflow-x:hidden}body:before{content:"";z-index:-1;background:radial-gradient(60% 50% at 50% -8%, var(--accent-soft), transparent 70%), radial-gradient(40% 40% at 90% 10%, #38bdf814, transparent 60%), var(--bg);pointer-events:none;position:fixed;inset:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3{letter-spacing:-.02em;margin:0;font-weight:700;line-height:1.15}p{margin:0}.container{width:100%;max-width:var(--maxw);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:clamp(56px,10vw,120px)}.nav{z-index:50;-webkit-backdrop-filter:saturate(160%)blur(14px);backdrop-filter:saturate(160%)blur(14px);background:color-mix(in srgb, var(--bg) 72%, transparent);border-bottom:1px solid var(--border);position:sticky;top:0}.nav__inner{justify-content:space-between;align-items:center;height:64px;display:flex}.brand{align-items:center;gap:10px;font-size:1.05rem;font-weight:700;display:flex}.brand__mark{background:linear-gradient(135deg, var(--accent), var(--accent-strong));width:34px;height:34px;box-shadow:var(--shadow-soft);border-radius:10px;place-items:center;font-size:1.1rem;display:grid}.nav__links{align-items:center;gap:8px;display:flex}.nav__links a{color:var(--text-dim);border-radius:10px;padding:8px 14px;font-size:.94rem;font-weight:500;transition:color .18s,background .18s}.nav__links a:hover{color:var(--text);background:var(--surface)}.btn{--btn-bg:var(--accent);cursor:pointer;background:linear-gradient(135deg, var(--accent), var(--accent-strong));color:#fff;box-shadow:0 10px 30px -10px var(--accent);white-space:nowrap;border:1px solid #0000;border-radius:14px;justify-content:center;align-items:center;gap:10px;padding:13px 22px;font-size:.98rem;font-weight:600;transition:transform .14s,box-shadow .2s,background .2s,border-color .2s;display:inline-flex}.btn:hover{box-shadow:0 16px 40px -12px var(--accent);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn--ghost{background:var(--surface);color:var(--text);border-color:var(--border-strong);box-shadow:none}.btn--ghost:hover{background:var(--surface-2);box-shadow:none}.btn--block{width:100%}.btn[disabled],.btn[aria-disabled=true]{opacity:.5;pointer-events:none;filter:grayscale(.3)}.hero{padding-top:clamp(48px,8vw,88px);padding-bottom:clamp(48px,8vw,96px);position:relative}.hero__grid{align-items:center;gap:clamp(36px,6vw,64px);display:grid}.eyebrow{color:var(--accent-strong);background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);border-radius:999px;align-items:center;gap:8px;margin-bottom:22px;padding:6px 14px;font-size:.82rem;font-weight:600;display:inline-flex}.hero h1{background:linear-gradient(#fff,#c8ccdf);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:clamp(2.1rem,6.5vw,3.7rem)}.hero__lead{color:var(--text-dim);max-width:44ch;margin-top:20px;font-size:clamp(1.02rem,2.6vw,1.22rem)}.hero__cta{flex-wrap:wrap;gap:14px;margin-top:32px;display:flex}.hero__meta{color:var(--text-faint);flex-wrap:wrap;gap:18px 26px;margin-top:22px;font-size:.9rem;display:flex}.hero__meta span{align-items:center;gap:7px;display:inline-flex}.hero__visual{justify-content:center;display:flex}.phone{aspect-ratio:9/19;border:1px solid var(--border-strong);width:min(280px,74vw);box-shadow:var(--shadow);background:linear-gradient(160deg,#ffffff1a,#ffffff05);border-radius:40px;padding:12px;position:relative}.phone__screen{border:1px solid var(--border);background:linear-gradient(#151a2e,#0d1020);border-radius:30px;flex-direction:column;height:100%;display:flex;overflow:hidden}.phone__bar{background:linear-gradient(135deg, var(--accent), var(--accent-strong));color:#fff;padding:16px 16px 12px;font-weight:600}.phone__bar small{opacity:.85;font-size:.72rem;font-weight:500;display:block}.phone__body{flex-direction:column;flex:1;gap:10px;padding:14px;display:flex}.bubble{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;max-width:78%;padding:9px 13px;font-size:.82rem;line-height:1.45}.bubble--me{background:linear-gradient(135deg, var(--accent), var(--accent-strong));color:#fff;border-color:#0000;align-self:flex-end}.section__head{text-align:center;max-width:640px;margin:0 auto clamp(36px,6vw,56px)}.section__head h2{font-size:clamp(1.6rem,4.5vw,2.5rem)}.section__head p{color:var(--text-dim);margin-top:14px;font-size:1.02rem}.features{grid-template-columns:1fr;gap:16px;display:grid}.feature{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);padding:24px;transition:transform .2s,border-color .2s,background .2s}.feature:hover{border-color:var(--border-strong);background:var(--surface-2);transform:translateY(-3px)}.feature__icon{background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 28%, transparent);border-radius:13px;place-items:center;width:46px;height:46px;margin-bottom:16px;font-size:1.3rem;display:grid}.feature h3{margin-bottom:8px;font-size:1.12rem}.feature p{color:var(--text-dim);font-size:.95rem}.cta{text-align:center;border-radius:var(--radius-lg);padding:clamp(36px, 7vw, 72px) var(--gutter);background:radial-gradient(70% 120% at 50% 0%, var(--accent-soft), transparent 70%), var(--surface);border:1px solid var(--border-strong)}.cta h2{font-size:clamp(1.6rem,4.5vw,2.4rem)}.cta p{max-width:46ch;color:var(--text-dim);margin:14px auto 28px}.picker{grid-template-columns:1fr;gap:16px;max-width:760px;margin-inline:auto;display:grid}.picker__card{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);align-items:center;gap:18px;padding:22px;transition:transform .18s,border-color .18s,background .18s;display:flex}.picker__card:hover{border-color:var(--border-strong);background:var(--surface-2);transform:translateY(-3px)}.picker__icon{background:linear-gradient(135deg, var(--accent), var(--accent-strong));width:56px;height:56px;box-shadow:var(--shadow-soft);border-radius:16px;flex:none;place-items:center;font-size:1.7rem;display:grid}.picker__meta h3{font-size:1.2rem}.picker__meta p{color:var(--text-dim);margin-top:4px;font-size:.92rem}.picker__arrow{color:var(--text-faint);margin-left:auto;font-size:1.4rem}.dl-hero{text-align:center;padding-top:clamp(44px,8vw,80px)}.dl-hero__icon{background:linear-gradient(135deg, var(--accent), var(--accent-strong));width:84px;height:84px;box-shadow:var(--shadow);border-radius:24px;place-items:center;margin-bottom:22px;font-size:2.6rem;display:inline-grid}.dl-hero h1{font-size:clamp(1.9rem,5.5vw,3rem)}.dl-hero p{max-width:48ch;color:var(--text-dim);margin:16px auto 0;font-size:1.05rem}.dl-grid{grid-template-columns:1fr;gap:18px;max-width:900px;margin:clamp(36px,6vw,56px) auto 0;display:grid}.dl-card{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);flex-direction:column;padding:26px;display:flex}.dl-card__top{align-items:center;gap:14px;margin-bottom:18px;display:flex}.dl-card__glyph{background:var(--surface-2);border:1px solid var(--border);border-radius:15px;flex:none;place-items:center;width:52px;height:52px;font-size:1.5rem;display:grid}.dl-card__title{font-size:1.18rem;font-weight:700}.dl-card__req{color:var(--text-faint);margin-top:2px;font-size:.85rem}.dl-card__version{border-top:1px solid var(--border);border-bottom:1px solid var(--border);color:var(--text-dim);flex-wrap:wrap;align-items:center;gap:8px 16px;min-height:52px;margin-bottom:18px;padding:14px 0;font-size:.88rem;display:flex}.dl-card__version b{color:var(--text);font-weight:600}.dl-card__version .tag{background:var(--accent-soft);color:var(--accent-strong);border-radius:999px;padding:3px 10px;font-size:.78rem;font-weight:600}.dl-card__actions{flex-direction:column;gap:12px;margin-top:auto;display:flex}.dl-card--soon{opacity:.72}.qr{border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);align-items:center;gap:14px;padding:12px;display:flex}.qr canvas,.qr img{background:#fff;border-radius:8px;flex:none;width:96px;height:96px;padding:6px}.qr__hint{color:var(--text-dim);font-size:.85rem}.hash{color:var(--text-faint);word-break:break-all;margin-top:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.74rem}.skeleton{color:var(--text-faint);font-size:.88rem}.skeleton:after{content:"…";animation:1.4s steps(4,end) infinite dots}@keyframes dots{0%{content:""}25%{content:"·"}50%{content:"··"}75%{content:"···"}}.footer{border-top:1px solid var(--border);color:var(--text-faint);padding-block:40px;font-size:.9rem}.footer__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer__links{gap:18px;display:flex}.footer__links a:hover{color:var(--text)}.notice{text-align:center;max-width:520px;margin:80px auto}.notice h2{margin-bottom:12px;font-size:1.5rem}.notice p{color:var(--text-dim)}@media (width>=720px){.features,.dl-grid{grid-template-columns:repeat(2,1fr)}}@media (width>=960px){.hero__grid{grid-template-columns:1.05fr .95fr}.features{grid-template-columns:repeat(3,1fr)}.picker{grid-template-columns:repeat(2,1fr)}}@media (width<=560px){.nav__links a.nav__hide-sm{display:none}.hero__meta{gap:12px 20px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}