:root{color-scheme:dark;--bg:#0c0e10;--fg:#edf0f2;--muted:#a6afb5;--line:#2b3035;--accent:#91bada;--surface:#161a1e;--ease:cubic-bezier(.23,1,.32,1)}
*{box-sizing:border-box;letter-spacing:0}html{scroll-padding-top:135px}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}a:hover{text-decoration:underline}img{display:block;max-width:100%;height:auto}.shell{width:min(1120px,calc(100% - 48px));margin-inline:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(12,14,16,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.utility{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}.brand{display:flex;align-items:center;gap:12px;font-weight:650;font-size:18px}.brand img{border-radius:8px}.primary-nav{display:flex;gap:28px;flex-wrap:wrap;padding-bottom:12px;font-size:14px;color:var(--muted)}.locale-menu{position:relative;min-width:0;max-width:55%}.locale-menu summary{cursor:pointer;min-height:44px;padding:9px 12px;display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:8px;list-style:none}.locale-menu summary::-webkit-details-marker{display:none}.locale-menu summary:after{content:'⌄';flex-shrink:0;color:var(--accent)}.locale-menu-list{position:absolute;inset-inline-end:0;top:calc(100% + 8px);width:260px;max-width:calc(100vw - 32px);max-height:min(420px,60vh);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:6px;box-shadow:0 14px 36px #0007;transform-origin:top right}.locale-menu-list a{display:block;padding:9px 14px;min-height:44px;border-radius:4px}.locale-menu-list a[aria-current=true]{background:#26333c;color:#c4e2f5}.hero{padding-block:52px 38px}.product-icon{border-radius:18px;margin-bottom:22px}.eyebrow{color:var(--accent);font-size:14px;margin:0 0 8px}h1{font-size:44px;line-height:1.15;margin:0 0 20px;max-width:850px;font-weight:700}h2{font-size:28px;line-height:1.35;margin:0 0 22px}h3{font-size:20px;line-height:1.4;margin:8px 0 12px}.lead{font-size:20px;line-height:1.65;max-width:760px;color:var(--muted);margin:0}.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:24px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;background:var(--fg);color:var(--bg);padding:9px 22px;border-radius:8px;font-weight:600;transition:transform 140ms var(--ease)}.button:active{transform:scale(.97)}.text-link{color:var(--accent)}.section{border-top:1px solid var(--line);padding-block:44px}.muted,.notice{color:var(--muted)}.latest-capture{margin-block:28px 40px;display:flex;justify-content:center}.latest-capture figure{width:340px;max-width:100%;margin:0}.latest-capture img{width:100%;height:auto;aspect-ratio:1179/2556;object-fit:contain}.screen-gallery{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x proximity;padding-block:10px 24px}.screen-gallery figure{margin:0;flex:0 0 220px;max-width:72vw;scroll-snap-align:start}.screen-gallery img{width:100%;aspect-ratio:393/852;object-fit:contain}figcaption{font-size:13px;color:var(--muted);padding-top:12px;line-height:1.6}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 48px}.feature-grid article{border-top:1px solid var(--line);padding-top:20px}.feature-grid p,.plan-grid p{margin:0;color:var(--muted)}.feature-number{font-size:13px;color:var(--accent)}.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;margin-bottom:26px}.plan-grid article{border-inline-start:2px solid var(--accent);padding-inline-start:22px}.plan-grid article:last-child{border-color:#8ab6a5}.legal-links,.provider-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px;color:var(--accent)}footer{border-top:1px solid var(--line);padding-block:30px}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.legal-main{max-width:850px;padding-block:40px 70px}.legal-main h1{font-size:34px;margin-top:22px}.reference{font-size:14px;color:var(--muted);border-inline-start:2px solid var(--accent);padding-inline-start:18px}.clauses{padding-inline-start:24px;margin-block:36px}.clauses li{padding-inline-start:10px;margin-bottom:24px}.clauses li::marker{color:var(--accent);font-weight:600}.clauses p{margin:0}.legal-main section{border-top:1px solid var(--line);padding-block:24px}.provider-links{border-top:1px solid var(--line);padding-top:20px}
@media(max-width:600px){.shell{width:calc(100% - 32px)}.brand{font-size:16px;gap:8px}.brand img{width:32px;height:32px}.primary-nav{gap:14px 22px}.locale-menu summary{font-size:14px;padding-inline:10px}.hero{padding-block:34px 28px}h1{font-size:38px}.lead{font-size:18px}h2{font-size:24px}.section{padding-block:32px}.feature-grid,.plan-grid{grid-template-columns:1fr;gap:24px}.latest-capture figure{width:300px}.legal-main h1{font-size:28px}.footer-inner{display:block}.footer-inner .legal-links{margin-top:18px}}
@media(prefers-reduced-motion:no-preference){.locale-menu[open] .locale-menu-list{animation:menu-in 160ms var(--ease)}@keyframes menu-in{from{opacity:0;transform:translateY(-3px) scale(.98)}to{opacity:1;transform:none}}}
/* 首屏文字与真实截图并列，截图保留原始比例；窄屏按阅读顺序上下排列。 */
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);align-items:center;gap:56px;padding-block:40px}.hero-copy{min-width:0}.hero-stage{width:100%;max-width:310px;margin-inline:auto;min-width:0}.carousel-track{position:relative;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:26px;overscroll-behavior-x:contain}.carousel-track::-webkit-scrollbar{display:none}.carousel-slide{flex:0 0 100%;min-width:0;margin:0;scroll-snap-align:start}.carousel-slide img{width:100%;aspect-ratio:393/852;object-fit:contain;border-radius:26px;background:#090d11}.carousel-slide figcaption{padding:10px 4px 0;min-height:50px;font-size:12px}.carousel-controls{display:flex;justify-content:center;align-items:center;gap:4px;margin-top:8px}.carousel-controls button{font:inherit;color:var(--fg);background:transparent;border:0;border-radius:50%;width:40px;height:44px;cursor:pointer;transition:transform 140ms var(--ease)}.carousel-controls button:active{transform:scale(.96)}.carousel-controls button:focus-visible{outline:2px solid var(--accent)}.carousel-dots{display:flex;gap:0}.carousel-dots button{width:34px;font-size:12px;color:var(--muted)}.carousel-dots button[aria-pressed=true]{color:var(--fg);background:#27333d}.carousel-controls [data-pause]{font-size:15px}.hero .lead{max-width:620px}.hero .product-icon{width:72px;height:72px}.screen-gallery{gap:20px}.latest-capture{display:none}
@media(max-width:760px){.hero{grid-template-columns:1fr;gap:28px}.hero-stage{max-width:280px}.hero-copy{padding-top:8px}.hero h1{font-size:38px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* 截图等比缩小为原展示高度的 50%；控制按钮保留触摸尺寸。 */
.carousel-slide img{width:50%;margin-inline:auto;border-radius:14px}
.carousel-slide figcaption{text-align:center;min-height:36px}