:root{--ink:#101828;--navy:#101d35;--blue:#2563eb;--cyan:#22c7db;--orange:#ff6b45;--mist:#f2f6fb;--white:#fff;--muted:#667085;--line:#d9e1ec;--max:1200px;--nav:72px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);background:var(--mist);font-family:"Microsoft YaHei UI","Microsoft YaHei",Arial,sans-serif;line-height:1.68}a{color:inherit;text-decoration:none}img{max-width:100%}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.skip{position:fixed;left:10px;top:-60px;z-index:99;padding:9px 14px;background:white}.skip:focus{top:8px}
.nav{position:fixed;inset:0 0 auto;z-index:30;height:var(--nav);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.navrow{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.025em}.mark{display:grid;place-items:center;width:38px;height:38px;color:white;background:var(--blue);font-family:Georgia,serif;font-size:22px}.logo small{display:block;color:#8290a5;font:8px Consolas,monospace;letter-spacing:.13em}.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(--blue)}.toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:white;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(--blue);border-radius:6px;color:white;background:var(--blue);font-weight:800;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 7px 0 #153f9e}.btn.alt{color:var(--blue);background:white}.btn.small{min-width:104px;min-height:38px;padding:7px 13px;font-size:12px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.hero{position:relative;overflow:hidden;padding:calc(var(--nav) + 70px) 0 84px;color:white;background:var(--navy)}.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:44px 44px}.hero-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:64px}.badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:19px;padding:6px 9px;border:1px solid #3d557c;color:#8ee9f3;font:11px Consolas,monospace}.badge i{width:7px;height:7px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}h1,h2,h3{margin-top:0;line-height:1.12;text-wrap:balance}h1{margin-bottom:23px;font-size:clamp(44px,5.8vw,76px);letter-spacing:-.05em}.hero-copy>p{max-width:600px;margin:0 0 30px;color:#b2bed2;font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:10px}.facts{display:grid;grid-template-columns:repeat(3,1fr);margin-top:30px;border-block:1px solid #364966}.facts span{padding:12px 10px 12px 0;color:#8495ae;font:10px Consolas,monospace}.facts span+span{padding-left:12px;border-left:1px solid #364966}.facts b{display:block;color:white;font:13px "Microsoft YaHei UI",sans-serif}.hero-media{position:relative;align-self:center;height:auto;padding:0;margin:0;border:1px solid #51698d}.scanline{position:absolute;z-index:2;left:0;right:0;top:0;height:3px;background:var(--cyan);box-shadow:0 0 20px var(--cyan);animation:scan 4s ease-in-out infinite}.ocr-panel{position:absolute;right:-18px;bottom:-22px;padding:14px 16px;border-left:4px solid var(--orange);background:#fff;color:#657087;box-shadow:0 14px 30px #0004;font:10px Consolas,monospace}.ocr-panel b{display:block;color:var(--blue);font-size:13px}@keyframes scan{0%,100%{top:5%}50%{top:94%}}
.status{background:white;border-bottom:1px solid var(--line)}.statusrow{display:grid;grid-template-columns:repeat(4,1fr)}.statusrow span{padding:13px 17px;border-right:1px solid var(--line);text-align:center;color:#68758a;font:10px Consolas,monospace}.statusrow span:last-child{border:0}.statusrow b{color:var(--blue)}
.section{padding:clamp(76px,8vw,108px) 0}.white{background:white}.head{display:grid;grid-template-columns:1fr .7fr;align-items:end;gap:48px;margin-bottom:43px}.head h2{margin:0;font-size:clamp(34px,4.2vw,53px);letter-spacing:-.04em}.head p{margin:0;color:var(--muted)}.overline{display:block;margin-bottom:10px;color:var(--blue);font:11px Consolas,monospace;letter-spacing:.1em}
.features{display:grid;grid-template-columns:repeat(12,1fr);gap:10px}.feature{grid-column:span 4;min-height:230px;padding:27px;border:1px solid var(--line);background:white}.feature:first-child{grid-column:span 8;color:white;background:var(--blue);border-color:var(--blue)}.feature:last-child{grid-column:span 8;background:#eafbfd}.feature-top{display:flex;justify-content:space-between;margin-bottom:40px;color:#8490a3;font:10px Consolas,monospace}.feature-top b{display:grid;place-items:center;width:42px;height:42px;color:white;background:var(--ink)}.feature:first-child .feature-top{color:#ccdcff}.feature:first-child .feature-top b{color:var(--blue);background:white}.feature h3{margin-bottom:7px;font-size:21px}.feature p{margin:0;color:var(--muted);font-size:13px}.feature:first-child p{color:#dbe6ff}
.convert{display:grid;grid-template-columns:1fr 140px 1fr;align-items:stretch}.convert-pane{padding:36px;border:1px solid var(--line);background:white}.convert-pane img{display:block;width:100%;height:260px;object-fit:cover}.convert-pane h3{margin:19px 0 7px}.convert-pane p{color:var(--muted);font-size:13px}.convert-arrow{display:grid;place-items:center;color:white;background:var(--navy);font-size:36px}.convert-arrow span{display:grid;place-items:center;width:72px;height:72px;border:1px solid #52647f;border-radius:50%}
.platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.platform{padding:26px 22px;border-top:4px solid var(--cyan);background:white}.platform:nth-child(2){border-color:var(--orange)}.platform:nth-child(3){border-color:var(--blue)}.platform:nth-child(4){border-color:#8c79d8}.platform-icon{font-size:24px}.platform h3{margin:27px 0 7px}.platform p{min-height:43px;color:var(--muted);font-size:12px}
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.scene{border:1px solid var(--line);background:white}.scene img{display:block;width:100%;height:190px;object-fit:cover}.scene-body{padding:25px}.scene span{color:var(--blue);font:10px Consolas,monospace}.scene h3{margin:10px 0 7px}.scene p{color:var(--muted);font-size:13px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.review{padding:27px;border:1px solid var(--line);background:white}.review blockquote{margin:0 0 24px;color:#475467}.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(--blue)}.person strong,.person small{display:block}.person small{color:var(--muted)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-items:center}.plan{padding:30px;border:1px solid var(--line);background:white}.plan.featured{padding-block:46px;color:white;background:var(--navy);border-top:5px solid var(--cyan)}.tag{display:inline-block;margin-bottom:18px;color:var(--blue);font:10px Consolas,monospace}.featured .tag{color:var(--cyan)}.price{color:var(--muted)}.price b{color:var(--ink);font-size:28px}.featured .price,.featured li{color:#9facc0}.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(--cyan)}
.faq{max-width:900px;margin:auto;border-top:1px solid var(--ink)}.faq details{border-bottom:1px solid var(--line);background:white}.faq summary{position:relative;padding:21px 50px 21px 5px;list-style:none;cursor:pointer;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"＋";position:absolute;right:7px;top:15px;color:var(--blue);font-size:24px}.faq details[open] summary::after{content:"－"}.answer{padding:0 50px 21px 5px;color:var(--muted)}
.pagehero{padding:calc(var(--nav) + 65px) 0 70px;color:white;background:var(--navy);border-bottom:4px solid var(--cyan)}.pagegrid{display:grid;grid-template-columns:1fr .84fr;align-items:center;gap:58px}.pagehero p{color:#b2bed2}.pageimg{border:1px solid #51698d}.downloads{display:grid;grid-template-columns:1fr 1fr;gap:10px}.download{display:grid;grid-template-columns:65px 1fr;gap:19px;padding:27px;border:1px solid var(--line);background:white}.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;background:#eaf0ff;color:var(--blue);font:9px Consolas,monospace}.notice{margin-top:18px;padding:17px 20px;border-left:4px solid var(--orange);background:#fff0eb}
.help-layout{display:grid;grid-template-columns:240px 1fr;gap:44px;align-items:start}.helpnav{position:sticky;top:92px;border:1px solid var(--line);border-top:4px solid var(--blue);background:white}.helpnav a{display:block;padding:10px 13px;border-bottom:1px solid var(--line);font-size:13px}.helpnav a:hover{background:#edf3ff;color:var(--blue)}.helpmain section{margin-bottom:58px}.helpmain h2{font-size:29px}.steps{display:grid;gap:8px;counter-reset:s}.step{position:relative;padding:18px 18px 18px 66px;border:1px solid var(--line);background:white}.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(--blue);font:12px Consolas,monospace}
.footer{padding:58px 0 22px;color:white;background:#0a1528;border-top:4px solid var(--cyan)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px;padding-bottom:38px}.footer-intro p{max-width:320px;color:#8f9db2;font-size:12px}.footer h3{color:#8ee9f3;font-size:13px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0}.footer a{color:#8f9db2;font-size:12px}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #35445f;color:#697990;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:white}.links.open{display:flex}.hero-grid,.pagegrid{grid-template-columns:1fr}.feature,.feature:first-child,.feature:last-child{grid-column:span 6}.convert{grid-template-columns:1fr}.convert-arrow{min-height:100px}.platforms{grid-template-columns:1fr 1fr}.scenes,.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,.platforms,.downloads{display:flex;flex-direction:column}.facts{grid-template-columns:1fr}.facts span+span{padding-left:0;border-left:0;border-top:1px solid #364966}.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}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.scanline{display:none}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
/* Hero 图片最终覆盖：居中、自然高度、无裁切与变形 */
.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}