:root{--bg:#03070d;--panel:#0b1420;--soft:#111f2c;--text:#f5f9ff;--muted:#a9b8c8;--pink:#ef294c;--orange:#12b8d6;--violet:#4c7dff;--line:#213445;--max:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 60% -20%,#082c42 0,transparent 30rem),var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75}
img{max-width:100%;display:block}
a{color:inherit}
.shell{width:min(var(--max),calc(100% - 32px));margin:auto}
.site-head{position:sticky;top:0;z-index:20;background:rgba(7,5,8,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{min-height:68px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;white-space:nowrap}
.brand img{width:42px;height:42px;border-radius:13px}
.nav-links{margin-left:auto;display:flex;gap:18px;align-items:center}
.nav-links a{text-decoration:none;color:var(--muted);font-weight:700}
.nav-links a:hover,.nav-links a[aria-current=page]{color:#fff}
.hero{padding:30px 0 24px}
.eyebrow{color:#ff9cbc;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:clamp(2rem,6vw,4.8rem);line-height:1.05;letter-spacing:-.055em;max-width:900px;margin:.2em 0}
.hero p{color:var(--muted);max-width:760px;font-size:1.05rem}
.app-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}
.app-card{position:relative;min-width:0;padding:14px 10px 12px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.025));text-decoration:none;text-align:center;transition:.2s transform,.2s border-color}
.app-card:hover,.app-card:focus-visible{transform:translateY(-4px);border-color:var(--pink);outline:none}
.app-card img{width:68px;height:68px;border-radius:19px;margin:0 auto 8px;object-fit:cover;box-shadow:0 12px 28px rgba(0,0,0,.38)}
.app-card strong{display:block;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app-card span{display:inline-block;color:#fff;background:linear-gradient(90deg,var(--pink),var(--orange));padding:2px 8px;border-radius:999px;margin-top:5px;font-size:.75rem;font-weight:850}
.trust{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 0}
.trust span{border:1px solid var(--line);background:#100d12;padding:6px 10px;border-radius:999px;color:var(--muted);font-size:.82rem}
.section{padding:54px 0}
.section.lazy-section{content-visibility:auto;contain-intrinsic-size:900px}
.section h2{font-size:clamp(1.55rem,3vw,2.5rem);line-height:1.2;margin:0 0 14px}
.lede{color:var(--muted);max-width:760px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.panel{background:linear-gradient(145deg,#17131a,#0d0b0f);border:1px solid var(--line);border-radius:22px;padding:22px}
.panel h3{margin-top:0}
.panel p{color:var(--muted)}
.cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:999px;background:linear-gradient(90deg,var(--pink),var(--orange));font-weight:900;text-decoration:none}
.cta.secondary{background:#211b24;border:1px solid #463a49}
.shot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.shot{margin:0;background:#100d12;border:1px solid var(--line);border-radius:24px;overflow:hidden}
.shot img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top}
.shot figcaption{padding:18px;color:var(--muted)}
.shot figcaption strong{color:#fff;display:block;font-size:1.08rem;margin-bottom:6px}
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.price{position:relative;overflow:hidden}
.price b{font-size:2rem}
.price small{color:var(--muted)}
.price.hot{border-color:var(--pink);box-shadow:0 0 0 1px var(--pink),0 22px 70px rgba(255,47,109,.13)}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:850}
.faq p{color:var(--muted)}
.article{width:min(860px,calc(100% - 32px));margin:auto;padding:48px 0}
.article h1{font-size:clamp(2rem,5vw,3.8rem);line-height:1.1}
.article h2{margin-top:2.2em}
.article p,.article li{color:#d5cfd8}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:20px}
.breadcrumbs a{color:#fff}
.callout{border-left:4px solid var(--pink);background:#171117;padding:18px 20px;border-radius:0 16px 16px 0}
.site-foot{border-top:1px solid var(--line);padding:34px 0 50px;color:var(--muted)}
.foot-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-links{display:flex;gap:16px;flex-wrap:wrap}
.foot-links a{color:var(--muted)}
.notice{font-size:.85rem;color:#8f8793}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:100;background:#fff;color:#000;padding:8px}

@media(max-width:760px){.shell{width:min(100% - 20px,var(--max))}
.nav{min-height:58px}
.brand span{display:none}
.nav-links{gap:12px;font-size:.82rem}
.nav-links a:nth-child(2),.nav-links a:nth-child(3){display:none}
.hero{padding-top:20px}
.hero h1{font-size:2.15rem}
.hero p{font-size:.92rem;line-height:1.6}
.app-strip{gap:6px}
.app-card{padding:9px 3px;border-radius:14px}
.app-card img{width:48px;height:48px;border-radius:13px}
.app-card strong{font-size:.7rem}
.app-card span{font-size:.62rem;padding:1px 5px}
.grid,.shot-grid,.price-grid{grid-template-columns:1fr}
.section{padding:38px 0}
.shot img{aspect-ratio:4/5}
.article{padding-top:30px}
.foot-grid{display:block}
.foot-links{margin-top:16px}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}
}