:root{--fg:#1d1d1f;--mut:#6e6e73;--bg:#f6f5f2;--card:#fff;--acc:#d9653b;--line:#e5e3de}
@media (prefers-color-scheme:dark){:root{--fg:#f2f2f2;--mut:#a1a1a6;--bg:#141414;--card:#1e1e1e;--line:#2c2c2c}}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
nav .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--fg)}
nav .brand img{width:34px;height:34px}nav .links a{margin-left:20px;color:var(--mut);font-size:15px}
.hero{text-align:center;padding:48px 0 24px}.hero img.icon{width:112px}
.hero h1{font-size:44px;line-height:1.15;margin:16px 0 8px}.hero p{font-size:19px;color:var(--mut);max-width:680px;margin:0 auto}
.btns{margin:26px 0;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;border-radius:12px;font-weight:600;background:var(--acc);color:#fff}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}.btn:hover{text-decoration:none;opacity:.9}
.small{font-size:14px;color:var(--mut)}
.shot{width:100%;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.18);margin:20px 0 10px}
section{padding:40px 0}h2{font-size:30px;margin:0 0 18px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--mut);font-size:15px}
.card img{width:100%;border-radius:10px;margin-bottom:12px}
.price{font-size:40px;font-weight:700;margin:6px 0}.price span{font-size:16px;color:var(--mut);font-weight:400}
.card ul{padding-left:20px;margin:12px 0;color:var(--fg);font-size:15px}.card.pro{border:2px solid var(--acc)}
footer{border-top:1px solid var(--line);padding:28px 0 50px;color:var(--mut);font-size:14px}
footer a{color:var(--mut);margin-right:16px}
.doc{max-width:760px}.doc h1{font-size:34px}.doc h2{text-align:left;font-size:22px;margin-top:30px}
/* 中文 / EN */
html[data-lang="zh"] [data-l="en"],html:not([data-lang="zh"]) [data-l="zh"]{display:none!important}
nav .links{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.lang-toggle{margin-left:20px;display:inline-flex;padding:2px;border:1px solid var(--line);border-radius:999px;background:var(--card);cursor:pointer;font:600 13px/1 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--mut)}
.lang-toggle span{padding:6px 10px;border-radius:999px}
html[data-lang="zh"] .lang-toggle .zh,html:not([data-lang="zh"]) .lang-toggle .en{background:var(--acc);color:#fff}
@media (max-width:560px){nav{flex-wrap:wrap;gap:8px}nav .links a{margin-left:12px}.lang-toggle{margin-left:12px}}
.early{display:inline-flex;align-items:center;gap:10px;padding:6px 16px 6px 6px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:16px;margin-bottom:22px}
.early:hover{text-decoration:none;border-color:var(--acc)}
.early .tag{background:rgba(52,168,113,.16);color:#2f9e6a;font-weight:600;padding:4px 12px;border-radius:999px}
.early s,.price s.was{color:var(--mut);font-weight:400}.price s.was{font-size:22px}
.code{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:8px 0 4px;font-size:14px;color:var(--mut)}
.codebtn{font:600 14px ui-monospace,monospace;letter-spacing:.5px;padding:4px 10px;border-radius:8px;border:1px dashed var(--acc);background:transparent;color:var(--acc);cursor:pointer}
.codebtn.ok::after{content:" ✓"}
.hero{display:flex;flex-direction:column;align-items:center}
.btn.demo{display:inline-flex;align-items:center;gap:8px;background:#1c1c20;color:#fff;border-radius:999px;padding:12px 24px}
.btn.demo svg{flex:none}
.demo-modal{position:fixed;inset:0;z-index:50;background:rgba(10,14,28,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:24px}
.demo-modal[hidden]{display:none}
.demo-box{position:relative;width:min(1100px,100%);max-height:100%}
.demo-box video{display:block;width:100%;max-height:calc(100vh - 48px);border-radius:16px;background:#000;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.demo-close{position:absolute;top:-14px;right:-14px;width:38px;height:38px;border-radius:50%;border:0;background:#fff;color:#111;font-size:24px;line-height:38px;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.3)}
@media (max-aspect-ratio:3/4){.demo-box{width:min(440px,100%)}}
/* 首次打开 / First launch */
.first-note{font-size:14px;color:var(--mut);margin:-12px 0 6px}.hero .first-note{font-size:14px}
.lead{text-align:center;color:var(--mut);max-width:720px;margin:-6px auto 20px}
.guide{padding:18px}.guide img{display:block;width:100%;border-radius:12px;margin:0 0 14px}
.guide ol{margin:0 0 12px;padding-left:22px}.guide li{margin:6px 0}
.guide .note{margin:0 0 12px;padding:10px 14px;border-radius:12px;background:rgba(217,101,59,.1);color:var(--fg);font-size:15px}
.cmd{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px;padding:10px 14px;border-radius:12px;background:#1f1f24;color:#fff}
.cmd code{flex:1 1 280px;font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}
.cmd .codebtn{border-color:#fff;color:#fff}
/* 免费版 vs Pro */
.cmp-title{text-align:center;font-size:22px;margin:34px 0 14px}
.cmp-wrap{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.cmp{width:100%;border-collapse:collapse;font-size:15px}
.cmp th,.cmp td{padding:11px 16px;border-top:1px solid var(--line);text-align:center;vertical-align:middle}
.cmp thead th{border-top:0;font-size:15px;background:rgba(127,127,127,.06)}
.cmp tbody th{text-align:left;font-weight:500}
.cmp td,.cmp thead th:not(:first-child){width:110px}
.cmp .pro-col{color:var(--acc)}
.cmp .yes{color:#2f9e6a;font-weight:700;font-size:18px}.cmp .no{color:var(--mut)}
.cmp .price-row th,.cmp .price-row td{font-weight:600;background:rgba(217,101,59,.06)}
.cmp .eb{display:block;font-size:12px;font-weight:500;color:#2f9e6a}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (max-width:560px){.cmp{font-size:14px}.cmp th,.cmp td{padding:9px 8px}.cmp td,.cmp thead th:not(:first-child){width:64px}.guide{padding:12px}.hero h1{font-size:34px}}
/* 这些你都见过吧 / Seen these before */
.seen-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;align-items:start}
.seen{margin:0}
.alert{width:100%;max-width:272px;margin:0 auto;padding:22px 18px 16px;border-radius:14px;text-align:center;
 background:rgba(236,236,236,.92);border:1px solid rgba(0,0,0,.08);box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 22px 50px rgba(0,0,0,.16),0 2px 6px rgba(0,0,0,.08);
 font:13px/1.35 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",sans-serif;color:#1d1d1f;transform:rotate(-1deg)}
.seen:nth-child(2) .alert{transform:rotate(1deg)}.seen:nth-child(3) .alert{transform:rotate(-.4deg)}
.alert .ai svg{width:56px;height:56px;display:block;margin:0 auto 10px}
.alert .at{font-weight:700;font-size:13.5px;margin-bottom:4px}
.alert .am{font-size:11.5px;color:#4a4a4f;margin-bottom:14px}
.abtns{display:flex;gap:8px}
.ab{flex:1;padding:5px 0;border-radius:7px;background:#fff;border:1px solid rgba(0,0,0,.12);font-size:13px;box-shadow:0 1px 1px rgba(0,0,0,.06)}
.ab.def{background:linear-gradient(#3b8ff7,#1f74ea);color:#fff;border-color:#1c6bd8}
.ab.red{color:#e5352b;font-weight:600}
@media (prefers-color-scheme:dark){.alert{background:rgba(52,52,56,.94);border-color:rgba(255,255,255,.1);color:#f2f2f2;box-shadow:0 22px 50px rgba(0,0,0,.5)}
 .alert .am{color:#b5b5ba}.ab{background:#5b5b60;border-color:rgba(255,255,255,.08);color:#f2f2f2}.ab.red{color:#ff6b61}}
.seen figcaption{text-wrap:balance;margin:18px auto 0;max-width:290px;font-size:16px;font-weight:600;line-height:1.45;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.seen figcaption .arrow{color:var(--acc);font-weight:700}
.protag{font-size:11px;font-weight:700;color:var(--acc);border:1px solid var(--acc);border-radius:6px;padding:0 5px;line-height:1.5}
/* 三个数字 / numbers */
.nums-sec{padding:10px 0 30px}
.nums{display:grid;grid-template-columns:repeat(3,1fr);background:var(--card);border:1px solid var(--line);border-radius:18px}
.num{padding:26px 24px;text-align:center}.num+.num{border-left:1px solid var(--line)}
.num strong{display:block;font-size:44px;line-height:1.1;letter-spacing:-.02em;color:var(--acc);margin-bottom:8px}
.num>span{display:block;font-size:15px;color:var(--mut);text-wrap:balance}
@media (max-width:720px){.nums{grid-template-columns:1fr}.num+.num{border-left:0;border-top:1px solid var(--line)}}
/* 拾掇 vs 访达 vs CleanMyMac */
.cmp.vs td,.cmp.vs thead th:not(:first-child){width:150px}
.cmp.vs .eb{white-space:nowrap}
.cmp .part{display:inline-block;font-size:13px;color:#b7791f;background:rgba(214,158,46,.14);padding:1px 8px;border-radius:999px}
.cmp .eb.mut{color:var(--mut)}
.vs-note{font-size:13px;color:var(--fg);opacity:.72;margin:12px 16px 0;text-wrap:pretty}
@media (max-width:560px){.cmp.vs td,.cmp.vs thead th:not(:first-child){width:76px}.cmp.vs .eb{white-space:normal}.cmp .part{font-size:12px;padding:1px 5px}}
/* 三步上手 */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;counter-reset:none}
.steps li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 22px 20px}
.steps .sn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--acc);color:#fff;font-weight:700;margin-bottom:10px}
.steps h3{margin:0 0 6px;font-size:18px}.steps p{margin:0;color:var(--mut);font-size:15px;text-wrap:pretty}