:root{--ink:#202623;--indigo:#24384a;--red:#a13b32;--paper:#f4efe4;--rice:#fbf8f0;--jade:#76958a;--gold:#b59760;--line:#d8cebd;--muted:#756f65;--max:1180px;--nav:72px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.skip{position:fixed;top:-60px;left:10px;z-index:99;padding:9px 14px;background:white}.skip:focus{top:9px}
.nav{position:fixed;inset:0 0 auto;z-index:30;height:var(--nav);background:rgba(244,239,228,.95);border-bottom:1px solid #bdb19f;backdrop-filter:blur(12px)}.navrow{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-weight:800}.mark{display:grid;place-items:center;width:38px;height:38px;color:white;background:var(--red);font-family:"STKaiti","KaiTi",serif;font-size:24px}.links{display:flex;align-items:center;gap:clamp(16px,2vw,29px);font-size:14px}.links a:not(.btn):hover,.links a[aria-current=page]{color:var(--red)}.toggle{display:none;width:42px;height:42px;border:1px solid var(--ink);background:transparent;font-size:20px}.btn{display:inline-flex;align-items:center;justify-content:center;min-width:128px;min-height:45px;padding:10px 19px;border:1px solid var(--indigo);color:white;background:var(--indigo);font-weight:700;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}.btn:hover{background:var(--red);border-color:var(--red)}.btn.light{color:var(--indigo);background:transparent}.btn.small{min-width:104px;min-height:38px;padding:7px 13px;font-size:12px}
.hero{padding:calc(var(--nav) + 72px) 0 84px;background:var(--rice)}.hero-grid{display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;gap:70px}.hero h1{margin:0 0 24px;font:clamp(47px,6.2vw,80px)/1.05 "STKaiti","KaiTi",serif;letter-spacing:.02em}.hero-copy>p{max-width:580px;margin:0 0 30px;color:#625d54;font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:10px}.benefits{display:flex;flex-wrap:wrap;gap:19px;margin-top:29px;color:#746e65;font-size:12px}.benefits span::before{content:"◆";margin-right:7px;color:var(--red);font-size:8px}.hero-media{position:relative;align-self:center;height:auto;padding:0;margin:0;border:1px solid var(--indigo)}.hero-media::before{content:"";position:absolute;z-index:-1;inset:16px -16px -16px 16px;background:var(--jade)}.hero-caption{position:absolute;right:0;bottom:0;padding:11px 15px;color:white;background:rgba(36,56,74,.9);font-size:11px}
.band{color:white;background:var(--indigo)}.band-row{display:grid;grid-template-columns:repeat(4,1fr)}.band span{padding:14px 16px;border-right:1px solid #536777;text-align:center;font-size:11px}.band span:last-child{border:0}
.section{padding:clamp(76px,8vw,108px) 0}.white{background:var(--rice)}.head{display:grid;grid-template-columns:1fr .68fr;align-items:end;gap:50px;margin-bottom:44px}.head h2{margin:0;font:clamp(38px,4.8vw,59px)/1.08 "STKaiti","KaiTi",serif}.head p{margin:0;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--indigo);border-left:1px solid var(--indigo)}.feature{min-height:225px;padding:27px;border-right:1px solid var(--indigo);border-bottom:1px solid var(--indigo);background:var(--rice)}.feature:nth-child(2),.feature:nth-child(6){background:#e7ede8}.feature-icon{display:grid;place-items:center;width:45px;height:45px;margin-bottom:38px;border:1px solid var(--red);color:var(--red);font-family:Georgia,serif}.feature h3{margin-bottom:6px}.feature p{margin:0;color:var(--muted);font-size:13px}
.devices{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.device{padding:27px 22px;border:1px solid var(--line);background:var(--rice)}.device-symbol{font-size:24px;color:var(--red)}.device h3{margin:29px 0 7px}.device p{min-height:43px;color:var(--muted);font-size:12px}
.archive{padding:0;color:white;background:var(--indigo)}.archive-grid{display:grid;grid-template-columns:1.06fr .94fr;min-height:590px}.archive-image img{display:block;width:100%;height:100%;object-fit:cover}.archive-copy{padding:65px}.archive-copy h2{font:clamp(39px,4.8vw,59px)/1.08 "STKaiti","KaiTi",serif}.archive-copy>p{color:#b5c1c6}.scene{display:grid;grid-template-columns:115px 1fr;gap:18px;padding:20px 0;border-top:1px solid #526979}.scene:last-child{border-bottom:1px solid #526979}.scene b{color:#e2b8a8;font-size:12px}.scene h3,.scene p{margin:0}.scene p{color:#abb8be;font-size:12px}
.reviews,.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.review{padding:28px;border-top:3px solid var(--red);background:var(--rice)}.review blockquote{margin:0 0 24px}.person{display:flex;align-items:center;gap:11px;padding-top:15px;border-top:1px solid var(--line)}.avatar{display:grid;place-items:center;width:42px;height:42px;color:white;background:var(--indigo)}.person strong,.person small{display:block}.person small{color:var(--muted)}.plans{align-items:center}.plan{padding:30px;border:1px solid var(--line);background:var(--rice)}.plan.featured{padding-block:47px;color:white;background:var(--indigo);border-top:4px solid var(--red)}.price{color:var(--muted)}.price b{color:var(--ink);font-size:27px}.featured .price,.featured li{color:#b6c1c6}.featured .price b{color:white}.plan ul{list-style:none;padding:0;margin:22px 0}.plan li{margin:8px 0;color:var(--muted);font-size:13px}.plan li::before{content:"•";margin-right:8px;color:var(--red)}
.faq{max-width:900px;margin:auto;border-top:1px solid var(--indigo)}.faq details{border-bottom:1px solid var(--line);background:var(--rice)}.faq summary{position:relative;padding:21px 50px 21px 5px;list-style:none;cursor:pointer;font-weight:700}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"＋";position:absolute;right:7px;top:15px;color:var(--red);font-size:24px}.faq details[open] summary::after{content:"－"}.answer{padding:0 50px 21px 5px;color:var(--muted)}
.pagehero{padding:calc(var(--nav) + 66px) 0 72px;background:#e8e1d3}.pagegrid{display:grid;grid-template-columns:1fr .84fr;align-items:center;gap:60px}.pagehero h1{font:clamp(45px,5.7vw,72px)/1.05 "STKaiti","KaiTi",serif}.pageimg{border:1px solid var(--indigo)}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.download{display:grid;grid-template-columns:65px 1fr;gap:19px;padding:27px;border:1px solid var(--line);background:var(--rice)}.download h2{margin-bottom:5px;font-size:21px}.download p{margin:0 0 14px;color:var(--muted);font-size:12px}.chips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:15px}.chips span{padding:3px 7px;border:1px solid var(--line);font-size:9px}.notice{margin-top:18px;padding:17px 20px;border-left:4px solid var(--red);background:#eadad1}.help-layout{display:grid;grid-template-columns:240px 1fr;gap:44px}.helpnav{position:sticky;top:94px;align-self:start;border:1px solid var(--line);border-top:3px solid var(--red);background:var(--rice)}.helpnav a{display:block;padding:10px 13px;border-bottom:1px solid var(--line);font-size:13px}.helpmain section{margin-bottom:58px}.helpmain h2{font:31px "STKaiti","KaiTi",serif}.steps{display:grid;gap:8px;counter-reset:s}.step{position:relative;padding:18px 18px 18px 66px;border:1px solid var(--line);background:var(--rice)}.step::before{counter-increment:s;content:counter(s);position:absolute;left:17px;top:17px;display:grid;place-items:center;width:31px;height:31px;color:white;background:var(--red);font-size:12px}
.footer{padding:58px 0 22px;color:white;background:#1c2c38;border-top:4px solid var(--red)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px;padding-bottom:38px}.footer-intro p{max-width:320px;color:#a9b4ba;font-size:12px}.footer h3{color:#dec39a;font-size:13px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0}.footer a{color:#a9b4ba;font-size:12px}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #4b5e6b;color:#778891;font-size:11px}
@media(max-width:930px){.toggle{display:block}.links{position:fixed;top:var(--nav);left:0;right:0;display:none;flex-direction:column;align-items:stretch;padding:20px;background:var(--paper)}.links.open{display:flex}.hero-grid,.pagegrid,.archive-grid{grid-template-columns:1fr}.features{grid-template-columns:1fr 1fr}.devices{grid-template-columns:1fr 1fr}.archive-image{min-height:360px}.reviews,.plans{grid-template-columns:1fr}.plan.featured{order:-1}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}}
@media(max-width:650px){.head{grid-template-columns:1fr}.features,.devices,.download-grid{display:flex;flex-direction:column}.band-row{grid-template-columns:1fr 1fr}.archive-copy{padding:44px 25px}.scene{grid-template-columns:1fr}.help-layout{grid-template-columns:1fr}.helpnav{position:static;display:flex;overflow-x:auto}.helpnav a{white-space:nowrap;border-right:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column}}
.hero-grid{align-items:center}.hero-media{align-self:center;height:auto;padding:0;margin:0;overflow:visible;transform:none}.hero-media img{display:block;width:100%;height:auto;object-fit:contain;object-position:center;min-height:0;max-height:none;margin:0;padding:0;clip-path:none;transform:none}