:root{--bg:#f6f7fb;--bg2:#fff;--fg:#1d1d1f;--mut:#5f6368;--line:rgba(0,0,0,.08);--glass:rgba(255,255,255,.72);--a1:#ff8a3d;--a2:#ff4f8b;--grad:linear-gradient(120deg,var(--a1),var(--a2));--mac:#efe9dc;--macline:#cfc6b4;--screen:#dff1ff;--sh:0 1px 2px rgba(0,0,0,.04),0 12px 40px rgba(30,30,60,.10);--r:18px;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0e0f13;--bg2:#17181d;--fg:#f2f2f5;--mut:#a1a1aa;--line:rgba(255,255,255,.09);--glass:rgba(30,31,38,.66);--mac:#2b2a30;--macline:#4a4852;--screen:#12304a;--sh:0 1px 2px rgba(0,0,0,.3),0 16px 50px rgba(0,0,0,.45)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(60vw 40vw at 85% -10%,rgba(255,138,61,.13),transparent 70%),radial-gradient(50vw 40vw at -10% 30%,rgba(124,196,255,.16),transparent 70%)}
a{color:inherit}
:focus-visible{outline:3px solid #2f7cf6;outline-offset:2px;border-radius:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header.top{position:sticky;top:0;z-index:20;backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);background:var(--glass);border-bottom:1px solid var(--line)}
header.top .wrap,header:not(.top){display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;letter-spacing:-.01em}
.logo .dot{display:none}
nav{display:flex;align-items:center;gap:6px}
nav a,.btn-s{font-size:14px;text-decoration:none;padding:6px 12px;border-radius:999px;border:0;background:none;color:var(--fg);cursor:pointer;font:inherit;font-size:14px}
nav a:hover,.btn-s:hover{background:var(--line)}
.lang{border:1px solid var(--line)!important}
.fish{animation:swim 3.2s ease-in-out infinite;transform-origin:32px 23px}
.bub{animation:bub 3.2s ease-in infinite}
@keyframes swim{0%,100%{transform:translate(1px,0)}50%{transform:translate(-3px,-1.5px) rotate(-4deg)}}
@keyframes bub{0%{transform:translateY(4px);opacity:0}30%{opacity:1}100%{transform:translateY(-6px);opacity:0}}
.hero{text-align:center;padding:84px 0 40px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--mut);padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:var(--glass)}
h1{font-size:clamp(40px,7vw,76px);line-height:1.04;letter-spacing:-.035em;margin:22px auto 18px;max-width:14ch;font-weight:800}
h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.025em;line-height:1.15;margin:0 0 10px}
.lead{font-size:clamp(17px,2vw,20px);color:var(--mut);max-width:620px;margin:0 auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta{display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:14px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font:inherit;font-weight:600}
.btn.p{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(255,79,139,.3)}
.btn.g{background:var(--bg2);border:1px solid var(--line);box-shadow:var(--sh)}
.btn:hover{transform:translateY(-1px)}
/* mac window */
.win{max-width:720px;margin:48px auto 0;border-radius:16px;background:var(--bg2);box-shadow:var(--sh),0 0 0 1px var(--line);overflow:hidden;text-align:left}
.tb{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:var(--glass);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);font-size:13px;color:var(--mut)}
.tb i{width:12px;height:12px;border-radius:50%;background:#ff5f57}.tb i+i{background:#febc2e}.tb i+i+i{background:#28c840}
.tb span{flex:1;text-align:center;margin-right:52px}
.q{display:flex;align-items:center;gap:12px;padding:16px 20px;font-size:22px;border-bottom:1px solid var(--line)}
.q svg{flex:none;opacity:.5}
.q b{font-weight:500;min-height:1.4em}
.q b:after{content:"";display:inline-block;width:2px;height:1.1em;background:var(--a2);vertical-align:-3px;margin-left:2px;animation:blink 1s steps(1) infinite}
.q em{margin-left:auto;font-style:normal;font-size:13px;color:#1f9d55;background:rgba(40,200,64,.12);padding:2px 9px;border-radius:999px;font-variant-numeric:tabular-nums;white-space:nowrap}
@keyframes blink{50%{opacity:0}}
.res{list-style:none;margin:0;padding:8px;min-height:236px}
.res li{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:10px;font-size:15px;animation:in .25s ease both}
.res li:first-child{background:linear-gradient(120deg,rgba(255,138,61,.16),rgba(255,79,139,.16))}
.res li .ic{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;font-size:14px;background:var(--line);flex:none}
.res li small{margin-left:auto;color:var(--mut);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:45%}
.res mark{background:none;color:var(--a2);font-weight:700}
.foot{display:flex;justify-content:space-between;padding:8px 20px;border-top:1px solid var(--line);font-size:12px;color:var(--mut)}
@keyframes in{from{opacity:0;transform:translateY(4px)}}
/* sections */
section.s{padding:72px 0}
.sh{text-align:center;margin-bottom:36px}.sh p{color:var(--mut);margin:0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{position:relative;display:block;text-decoration:none;background:var(--bg2);border-radius:var(--r);padding:22px;box-shadow:var(--sh),0 0 0 1px var(--line);transition:transform .2s,box-shadow .2s}
a.card:hover{transform:translateY(-3px)}
.card h3{margin:14px 0 4px;font-size:19px;letter-spacing:-.01em}
.card p{margin:0;color:var(--mut);font-size:15px}
.card .app{width:64px;height:64px;border-radius:15px;display:block}
.card.big{grid-column:span 2;display:flex;gap:22px;align-items:center}
.card.big .app{width:96px;height:96px;border-radius:22px}
.card.big h3{margin-top:0;font-size:24px}
.get{display:inline-block;margin-top:12px;font-size:14px;font-weight:700;padding:5px 16px;border-radius:999px;background:var(--line);color:var(--a2)}
.badge{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 8px;border-radius:6px;background:var(--grad);color:#fff;vertical-align:middle}
.tank{opacity:.62;filter:grayscale(.6);background:transparent;box-shadow:0 0 0 1px var(--line);border:1.5px dashed var(--line)}
.tank .emo{width:64px;height:64px;border-radius:15px;display:grid;place-items:center;font-size:30px;background:var(--line)}
.tank .badge{background:var(--mut)}
/* meter */
.meter{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:var(--bg2);border-radius:24px;padding:36px;box-shadow:var(--sh),0 0 0 1px var(--line)}
.bar{height:14px;border-radius:99px;background:var(--line);overflow:hidden;margin:14px 0 8px}
.bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:99px;transition:width .6s}
.big-n{font-size:56px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.meter p{color:var(--mut);margin:0}
/* features */
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.f{background:var(--bg2);border-radius:var(--r);padding:22px;box-shadow:0 0 0 1px var(--line)}
.f b{display:block;font-size:30px;letter-spacing:-.03em;font-weight:800}
.f h3{margin:4px 0;font-size:16px}.f p{margin:0;color:var(--mut);font-size:14px}
.cmp{width:100%;border-collapse:separate;border-spacing:0;background:var(--bg2);border-radius:var(--r);overflow:hidden;box-shadow:0 0 0 1px var(--line);font-size:15px}
.cmp th,.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp tr:last-child td{border:0}.cmp th{font-size:13px;color:var(--mut);font-weight:600}
.cmp td:nth-child(2){font-weight:700}
.cmp .y{color:#1f9d55}.cmp .n{color:var(--mut)}
.prod{text-align:center;padding:72px 0 10px}
.prod img{border-radius:34px;box-shadow:0 20px 50px rgba(255,79,139,.28)}
.wlbox{text-align:center;background:var(--bg2);border-radius:24px;padding:44px 24px;box-shadow:var(--sh),0 0 0 1px var(--line)}
form.wl{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:460px;margin:20px auto 0}
form.wl input{flex:1;min-width:200px;padding:13px 16px;border-radius:14px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font:inherit}
.hp{position:absolute;left:-9999px}
.msg{font-size:14px;min-height:1.5em}.msg.ok{color:#1f9d55}.msg.err{color:#d93025}
.small{font-size:13px;color:var(--mut)}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:36px 0 48px;margin-top:40px;border-top:1px solid var(--line);font-size:14px;color:var(--mut)}
footer a{margin-left:16px;text-decoration:none}footer a:hover{color:var(--fg)}
.doc{max-width:720px;padding:40px 0}.doc h1{font-size:44px;margin:10px 0}.doc h2{font-size:22px;margin-top:28px}
/* bubbles */
.bubbles{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bubbles i{position:absolute;bottom:-20px;border-radius:50%;border:1px solid rgba(124,196,255,.45);animation:rise linear infinite}
@keyframes rise{to{transform:translateY(-110vh) translateX(20px)}}
.trail{position:fixed;pointer-events:none;z-index:50;font-size:14px;animation:fade .8s forwards}
@keyframes fade{to{opacity:0;transform:translateY(-14px) scale(.6)}}
/* boss mode */
#boss{display:none;position:fixed;inset:0;z-index:100;background:#fff;color:#000;font:13px Arial,sans-serif;overflow:auto}
body.boss #boss{display:block}
#boss .xl{background:#217346;color:#fff;padding:8px 14px;font-weight:bold}
#boss table{border-collapse:collapse;width:100%}
#boss td{border:1px solid #d4d4d4;padding:3px 8px;white-space:nowrap}
#boss tr:first-child td,#boss td:first-child{background:#f3f3f3;color:#666;text-align:center}
#boss .hint{padding:8px 14px;color:#888;font-size:12px}
.bossbtn{position:fixed;right:18px;bottom:18px;z-index:30;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--sh);color:var(--fg);font:inherit;font-size:14px;cursor:pointer}
@media (max-width:720px){.card.big{grid-column:auto;flex-direction:column;align-items:flex-start}.meter{grid-template-columns:1fr;padding:24px}.hero{padding-top:52px}.q{font-size:18px}.res li small{display:none}nav a.hide{display:none}.cmp th,.cmp td{padding:10px}.bossbtn{right:12px;bottom:12px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.bubbles,.trail{display:none}}
.cards{grid-template-columns:repeat(3,1fr)}.card.big{grid-column:1/-1}
.feat{grid-template-columns:repeat(4,1fr)}.feat .f:last-child{grid-column:span 2}
@media (max-width:900px){.feat{grid-template-columns:1fr 1fr}.feat .f:last-child{grid-column:1/-1}}
@media (max-width:720px){.cards{grid-template-columns:1fr}}