.site.is-landing{--bg:#0b1015;--panel:#121a21;--line:#ffffff16;--muted:#94a2ad;--text:#f0f4f4;--mint:#b5f4d2;--ink:#13231d;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 "Inter","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
.site.is-landing a{color:inherit;text-decoration:none}
.site.is-landing button{font:inherit;cursor:pointer}
.site.is-landing button,
.site.is-landing a{-webkit-tap-highlight-color:transparent}
.site.is-landing a:focus-visible,
.site.is-landing button:focus-visible,
.site.is-landing summary:focus-visible{outline:2px solid var(--mint);outline-offset:5px}
::selection{background:var(--mint);color:var(--ink)}
.site.is-landing .wrap{width:min(var(--max),calc(100% - 64px));margin:auto}
.site.is-landing .nav{height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.site.is-landing .header{position:sticky;top:0;background:#0b1015ec;backdrop-filter:blur(20px);z-index:30;border-bottom:1px solid var(--line)}
.site.is-landing .brand{display:flex;align-items:center;gap:12px;font-weight:650;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.site.is-landing .mark{width:32px;height:34px;display:inline-grid;place-items:center}
.site.is-landing .mark svg{width:100%;height:100%}
/* 站点 LOGO（后台设置）：显式限高 + 最大宽，无论原图多大都压进固定盒子（height:100% 在 grid 容器里不解析，必须写死） */
.site.is-landing .mark.has-logo{width:auto;min-width:0;height:38px;padding:0 2px;flex:none}
.site.is-landing .header .mark img{width:auto;height:auto;max-height:38px;max-width:300px;object-fit:contain;display:block}
/* 页脚标记：无图回落 ◇，有图用站点 LOGO */
.site.is-landing .footer .fmark{width:24px;height:24px;color:var(--mint);font-size:24px;line-height:1;display:inline-grid;place-items:center}
.site.is-landing .footer .fmark.has-logo{width:auto;height:22px;color:inherit;font-size:inherit}
.site.is-landing .footer .fmark.has-logo img{width:auto;height:22px;max-width:150px;object-fit:contain;display:block}
.site.is-landing .navlinks,
.site.is-landing .nav-actions{display:flex;align-items:center;gap:30px}
.site.is-landing .navlinks{color:#a4b0b7;font-size:13px}
.site.is-landing .navlinks a:hover{color:var(--mint)}
.site.is-landing .nav-actions{gap:22px;font-size:13px}
.site.is-landing .btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;border:1px solid transparent;background:var(--mint);color:var(--ink);padding:14px 23px;font-weight:600;border-radius:7px;transition:transform .2s,background .2s}
.site.is-landing .btn:hover{background:#d3ffe6;transform:translateY(-2px)}
.site.is-landing .btn.small{padding:9px 17px;font-size:12px;gap:15px}
.site.is-landing .btn.ghost{background:transparent;color:var(--text);border-color:#ffffff28}
.site.is-landing .btn.ghost:hover{background:#ffffff0c}
.site.is-landing .arrow{font-size:19px;font-weight:400}
.site.is-landing .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:white;border-radius:6px;padding:5px 12px}
.site.is-landing .hero{padding:94px 0 46px;position:relative;overflow:hidden}
.site.is-landing .hero:before{content:"";position:absolute;width:600px;height:600px;right:-200px;top:-100px;background:radial-gradient(circle,#27534320,transparent 70%);pointer-events:none}
.site.is-landing .hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:58px;align-items:center}
.site.is-landing .eyebrow{display:flex;align-items:center;gap:10px;color:var(--mint);text-transform:uppercase;letter-spacing:2px;font-size:11px;font-weight:600;margin-bottom:24px}
.site.is-landing .dot{width:6px;height:6px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 5px #b5f4d210}
.site.is-landing h1{font-size:clamp(40px,4.1vw,60px);line-height:1.24;letter-spacing:-2px;font-weight:550;margin:0 0 27px}
.site.is-landing h1 span{color:var(--mint)}
.site.is-landing .lead{color:#a5b1b9;font-size:16px;line-height:1.95;max-width:470px;margin:0 0 31px}
.site.is-landing .cta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.site.is-landing .fine{font-size:11px;color:#7f8d98;margin-top:18px}
.site.is-landing .fine span{color:var(--mint);margin-right:6px}
.site.is-landing .hero-foot{display:flex;gap:48px;margin-top:43px;padding-top:24px;border-top:1px solid var(--line)}
.site.is-landing .hero-foot strong{display:block;font-size:23px;font-weight:500;letter-spacing:-1px}
.site.is-landing .hero-foot strong small{font-size:13px;margin-left:4px;letter-spacing:0}
.site.is-landing .hero-foot label{font-size:11px;color:var(--muted)}
.site.is-landing .workspace{position:relative;transform:perspective(1500px) rotateY(-5deg);border:1px solid #ffffff24;border-radius:12px;background:#151e26;box-shadow:0 30px 100px #0008;overflow:hidden}
.site.is-landing .windowbar{height:43px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 15px;gap:5px;background:#111920;font-size:10px;color:#8e9da7}
.site.is-landing .windowbar i{width:6px;height:6px;background:#42505a;border-radius:50%}
.site.is-landing .windowbar span{margin:auto}
.site.is-landing .windowbar em{font-style:normal;color:#b0e9c9;font-size:9px}
.site.is-landing .demo-nav{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:11px}
.site.is-landing .demo-nav b{font-weight:500}
.site.is-landing .demo-nav span{font-size:9px;color:#8e9da7}
.site.is-landing .demo-body{display:grid;grid-template-columns:118px 1fr;min-height:315px}
.site.is-landing .demo-side{padding:21px 10px;border-right:1px solid var(--line);font-size:9px;color:#8d9ba7}
.site.is-landing .demo-side div{padding:7px 9px;border-radius:4px;margin-bottom:3px}
.site.is-landing .demo-side .selected{background:#b5f4d214;color:var(--mint)}
.site.is-landing .demo-doc{padding:24px 23px}
.site.is-landing .demo-doc .meta{font-size:8px;color:#7f8e9a;letter-spacing:1px}
.site.is-landing .demo-doc h3{font-size:17px;line-height:1.6;margin:9px 0 17px;font-weight:500}
.site.is-landing .doc-line{height:5px;background:#ffffff0c;border-radius:2px;margin:9px 0}
.site.is-landing .doc-line.short{width:65%}
.site.is-landing .doc-section{display:flex;justify-content:space-between;font-size:9px;border-bottom:1px solid var(--line);padding:11px 0}
.site.is-landing .doc-section span{color:#9cb1aa}
.site.is-landing .status{display:flex;align-items:center;gap:8px;font-size:9px;color:var(--mint);background:#b5f4d20b;border:1px solid #b5f4d226;padding:9px 11px;border-radius:5px;margin-top:17px}
.site.is-landing .demo-caption{font-size:10px;color:#6f7f8b;display:flex;justify-content:space-between;margin:20px 7px 0}
.site.is-landing .strip{margin-top:67px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1.4fr repeat(3,1fr);padding:24px 0;gap:20px;align-items:center}
.site.is-landing .strip p{margin:0;color:#74838f;font-size:11px;letter-spacing:1px}
.site.is-landing .strip div{font-size:13px;color:#b1bcc3;display:flex;align-items:center;gap:11px}
.site.is-landing .strip b{color:var(--mint);font-weight:400}
.site.is-landing .section{padding:100px 0}
.site.is-landing .section-label{font-size:11px;color:var(--mint);letter-spacing:2px;text-transform:uppercase;margin-bottom:16px}
.site.is-landing .heading-row{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:42px}
.site.is-landing h2{font-size:clamp(29px,3vw,40px);line-height:1.4;font-weight:500;letter-spacing:-1px;margin:0}
.site.is-landing .heading-row p{max-width:370px;color:var(--muted);font-size:13px;margin:0}
.site.is-landing .workflow{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.site.is-landing .step{padding:32px;border-right:1px solid var(--line);position:relative;background:linear-gradient(145deg,#17202950,transparent)}
.site.is-landing .step:last-child{border:0}
.site.is-landing .step-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:38px;color:#71828f;font-size:11px}
.site.is-landing .step-top b{font-size:25px;font-weight:400;color:#60717c;line-height:1}
.site.is-landing .chip{height:auto;display:inline-flex;align-items:center;flex:none;line-height:1.5;border:1px solid #b5f4d22b;color:#b2d8c5;padding:2px 9px;border-radius:4px;font-size:16px}
.site.is-landing .step h3{font-size:22px;font-weight:500;margin:0 0 12px}
.site.is-landing .step p{color:var(--muted);font-size:13px;margin:0}
.site.is-landing .step-bottom{margin-top:30px;border-top:1px solid var(--line);padding-top:15px;font-size:11px;color:#d8e2e3}
.site.is-landing .light{background:#edf1ed;color:#182b26}
.site.is-landing .light .section-label{color:#647e71}
.site.is-landing .light .heading-row p{color:#6f7b73}
.site.is-landing .light h2{letter-spacing:-1px}
.site.is-landing .chapter-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:70px;align-items:start}
.site.is-landing .chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.site.is-landing .chapter{padding:16px 13px;border:1px solid #15322316;color:#64726b;text-align:left;border-radius:5px;background:transparent;font-size:12px;display:flex;align-items:center;gap:10px;transition:.2s}
.site.is-landing .chapter span{font-size:10px;color:#80978a}
.site.is-landing .chapter:hover{border-color:#15322366}
.site.is-landing .chapter.active{background:#163b2b;color:white;border-color:#163b2b}
.site.is-landing .chapter.active span{color:#b5f4d2}
.site.is-landing .chapter-detail{padding:27px 30px;background:white;border:1px solid #173b2415;box-shadow:0 12px 35px #142b1810;border-radius:7px;min-height:315px}
.site.is-landing .detail-meta{font-size:9px;color:#8b978f;letter-spacing:1.5px;border-bottom:1px solid #173b2415;padding-bottom:17px;display:flex;justify-content:space-between}
.site.is-landing .chapter-detail h3{font-size:22px;font-weight:550;margin:22px 0 14px}
.site.is-landing .chapter-detail p{color:#68786e;font-size:13px}
.site.is-landing .detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
.site.is-landing .detail-tags span{font-size:10px;background:#edf3ee;color:#577061;padding:4px 10px;border-radius:3px}
.site.is-landing .chapter-note{font-size:10px;color:#859188;margin-top:21px}
.site.is-landing .pricing-tabs{display:flex;padding:4px;border:1px solid var(--line);border-radius:7px;gap:4px;flex-shrink:0}
.site.is-landing .pricing-tabs button{background:none;border:0;color:var(--muted);padding:8px 18px;border-radius:4px;font-size:12px}
.site.is-landing .pricing-tabs button.active{background:#26352e;color:var(--mint)}
.site.is-landing .prices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.site.is-landing .price-card{border:1px solid var(--line);border-radius:9px;padding:29px;background:#11191f;position:relative;display:flex;flex-direction:column}
.site.is-landing .price-card.featured{border-color:#b5f4d26b;background:linear-gradient(145deg,#20352c,#11191f 65%)}
.site.is-landing .recommend{font-size:9px;color:var(--mint);letter-spacing:1px}
.site.is-landing .price-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.site.is-landing .price-title h3{font-size:17px;font-weight:500;margin:0}
.site.is-landing .price{font-size:37px;font-weight:450;letter-spacing:-1.5px;line-height:1.3}
.site.is-landing .price small{font-size:18px;letter-spacing:0;margin-right:5px}
.site.is-landing .price-sub{font-size:11px;color:#8a9aA5;margin:8px 0 20px;min-height:20px}
.site.is-landing .price-list{list-style:none;padding:18px 0;margin:0 0 23px;border-top:1px solid var(--line);font-size:12px;color:#b8c2c8;flex:1}
.site.is-landing .price-list li{padding:6px 0}
.site.is-landing .price-list li:before{content:'✓';color:var(--mint);margin-right:10px}
.site.is-landing .price-card .btn{font-size:12px;padding:10px}
.site.is-landing .price-notes{display:flex;justify-content:space-between;gap:30px;font-size:11px;color:#7c8d99;margin-top:21px}
.site.is-landing .price-notes strong{font-weight:400;color:#b5d8c5}
.site.is-landing .dev .price{font-size:26px;letter-spacing:-1px}
.site.is-landing .guarantees{display:grid;grid-template-columns:.85fr 1.2fr;gap:85px;align-items:center;padding:50px 0 0;border-top:1px solid var(--line);margin-top:80px}
.site.is-landing .guarantees h3{font-size:27px;font-weight:500;line-height:1.5;margin:0 0 15px}
.site.is-landing .guarantees p{font-size:12px;color:var(--muted)}
.site.is-landing .guarantee-grid{display:grid;grid-template-columns:1fr 1fr;gap:27px}
.site.is-landing .guarantee-grid b{display:block;font-size:13px;font-weight:500;margin-bottom:6px}
.site.is-landing .guarantee-grid span{color:#7f919b;font-size:11px}
.site.is-landing .faq-section{border-top:1px solid var(--line);padding-top:70px;padding-bottom:90px}
.site.is-landing .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:90px}
.site.is-landing .faq-grid p{color:var(--muted);font-size:12px}
.site.is-landing .faq-grid a{color:var(--mint)}
.site.is-landing details{border-bottom:1px solid var(--line);padding:20px 0}
.site.is-landing details:first-child{padding-top:0}
.site.is-landing summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:14px;gap:20px}
.site.is-landing summary::-webkit-details-marker{display:none}
.site.is-landing summary:after{content:'+';font-weight:300;font-size:21px;color:#809489}
.site.is-landing details[open] summary:after{content:'−'}
.site.is-landing details p{line-height:1.9;margin-bottom:1px}
.site.is-landing .closing{padding:70px 0;background:#b5f4d2;color:#143324;position:relative;overflow:hidden}
.site.is-landing .closing .wrap{display:flex;align-items:center;justify-content:space-between;gap:35px;position:relative}
.site.is-landing .closing:after{content:'→';position:absolute;font-size:350px;font-weight:200;right:15%;top:-160px;opacity:.055;pointer-events:none}
.site.is-landing .closing h2{font-size:38px}
.site.is-landing .closing p{font-size:13px;color:#4a705c;margin-bottom:0}
.site.is-landing .closing .btn{background:#123726;color:#e1ffe9}
.site.is-landing .footer{padding:40px 0 25px}
.site.is-landing .footer-top{display:flex;justify-content:space-between;align-items:center;gap:30px}
.site.is-landing .footer .brand{font-size:14px}
.site.is-landing .footer-links{display:flex;gap:28px;font-size:11px;color:#91a09f}
.site.is-landing .footer-bottom{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#627580}
.site.is-landing [hidden]{display:none!important}
@media(min-width:1500px){.site.is-landing .hero{padding-top:110px;padding-bottom:55px}}
@media(max-width:1050px){.site.is-landing .navlinks{gap:17px}
.site.is-landing .nav-actions{gap:12px}
.site.is-landing .brand{font-size:15px}
.site.is-landing .hero-grid{gap:27px}
.site.is-landing .workspace{transform:none}
.site.is-landing .hero h1{font-size:44px}
.site.is-landing .demo-side{font-size:8px}
.site.is-landing .demo-body{grid-template-columns:100px 1fr}
.site.is-landing .step{padding:25px}
.site.is-landing .chapter-layout{gap:30px}
.site.is-landing .hero-foot{gap:30px}
.site.is-landing .guarantees{gap:35px}}
@media(max-width:760px){.site.is-landing .wrap{width:calc(100% - 36px)}
.site.is-landing .nav{height:70px;gap:10px}
.site.is-landing .brand{font-size:14px;gap:8px}
.site.is-landing .mark{width:25px}
.site.is-landing .mark.has-logo{width:auto;height:24px}
.site.is-landing .header .mark img{max-height:24px;max-width:190px}
.site.is-landing .menu-toggle{display:block}
.site.is-landing .nav-actions{margin-left:auto}
.site.is-landing .nav-actions>a:first-child{display:none}
.site.is-landing .nav-actions .btn{font-size:10px;padding:8px 11px;gap:8px}
.site.is-landing .navlinks{display:none;position:absolute;top:69px;left:0;width:100%;padding:20px;background:#10191f;border-bottom:1px solid var(--line)}
.site.is-landing .navlinks.open{display:flex;flex-wrap:wrap}
.site.is-landing .hero{padding-top:51px}
.site.is-landing .hero-grid{grid-template-columns:1fr;gap:42px}
.site.is-landing .hero h1{font-size:44px;letter-spacing:-1.5px}
.site.is-landing .lead{font-size:14px}
.site.is-landing .eyebrow{font-size:9px;margin-bottom:20px}
.site.is-landing .hero-foot{margin-top:30px}
.site.is-landing .hero-foot strong{font-size:22px}
.site.is-landing .workspace{max-width:520px;margin:auto}
.site.is-landing .demo-body{min-height:270px;grid-template-columns:100px 1fr}
.site.is-landing .demo-doc{padding:17px}
.site.is-landing .demo-caption{margin-bottom:0}
.site.is-landing .strip{margin-top:35px;grid-template-columns:1fr 1fr;gap:15px}
.site.is-landing .strip p{grid-column:1/-1}
.site.is-landing .strip div{font-size:11px}
.site.is-landing .section{padding:65px 0}
.site.is-landing .heading-row{display:block;margin-bottom:30px}
.site.is-landing .heading-row p{margin-top:17px}
.site.is-landing .workflow{grid-template-columns:1fr}
.site.is-landing .step{padding:26px;border-right:0;border-bottom:1px solid var(--line)}
.site.is-landing .step-top{margin-bottom:22px}
.site.is-landing .step h3{font-size:21px}
.site.is-landing .step-bottom{margin-top:20px}
.site.is-landing .chapter-layout{grid-template-columns:1fr;gap:22px}
.site.is-landing .chapter{padding:13px 11px;font-size:11px}
.site.is-landing .chapter-detail{min-height:290px}
.site.is-landing .pricing-tabs{margin-top:24px;width:max-content}
.site.is-landing .prices{grid-template-columns:1fr}
.site.is-landing .price-card{padding:26px}
.site.is-landing .price-sub{min-height:0}
.site.is-landing .price-notes{display:block;line-height:1.9}
.site.is-landing .guarantees{grid-template-columns:1fr;margin-top:50px;gap:23px}
.site.is-landing .guarantee-grid{gap:24px}
.site.is-landing .faq-grid{grid-template-columns:1fr;gap:25px}
.site.is-landing .faq-section{padding:60px 0}
.site.is-landing .closing{padding:48px 0}
.site.is-landing .closing .wrap{display:block}
.site.is-landing .closing h2{font-size:30px}
.site.is-landing .closing .btn{margin-top:25px}
.site.is-landing .footer-top{align-items:start;flex-direction:column;gap:20px}
.site.is-landing .footer-links{flex-wrap:wrap;gap:20px}
.site.is-landing .footer-bottom{flex-direction:column;gap:8px}
.site.is-landing .btn{padding:12px 18px;font-size:12px}
.site.is-landing .fine{font-size:10px}
.site.is-landing .dev .price{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*{transition:none!important}}
/* High-impact responsive edition */
.site.is-landing{--bg:#080a09;--mint:#c4ff3d;--ink:#111806;--panel:#151a12;--max:1320px;--muted:#a1a99e}
body{overflow-x:clip}
.site.is-landing .wrap{width:min(var(--max),calc(100% - 96px))}
.site.is-landing .header{background:#080a09ed}
.site.is-landing .nav{height:88px}
.site.is-landing .brand{font-weight:750}
.site.is-landing .mark svg path{stroke:var(--mint)}
.site.is-landing .btn{border-radius:0;padding:17px 26px;font-weight:750}
.site.is-landing .btn.small{border-radius:0}
.site.is-landing .btn:hover{background:#d9ff85;box-shadow:0 0 35px #c4ff3d20}
.site.is-landing .btn.ghost:hover{background:#c4ff3d0c}
.site.is-landing .hero{padding:80px 0 0;isolation:isolate}
.site.is-landing .hero:before{width:1000px;height:1000px;right:-330px;top:-270px;background:radial-gradient(ellipse,#8ac60022,transparent 66%);z-index:-1}
.site.is-landing .hero-grid-bg{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#b9ff4007 1px,transparent 1px),linear-gradient(90deg,#b9ff4007 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to right,transparent,#000);pointer-events:none}
.site.is-landing .hero-grid{grid-template-columns:1.1fr 1fr;gap:15px;min-height:550px}
.site.is-landing .eyebrow{font-size:11px;letter-spacing:3px;margin-bottom:29px}
.site.is-landing .hero h1{font-size:clamp(64px,7.1vw,108px);font-weight:900;line-height:1.07;letter-spacing:-6px;margin-bottom:28px}
.site.is-landing .hero h1 span{color:var(--mint)}
.site.is-landing .lead{max-width:470px;font-size:15px;color:#adb4a7}
.site.is-landing .hero-foot{gap:45px;margin-top:30px;padding-top:20px;max-width:460px}
.site.is-landing .hero-foot strong{font-weight:650;font-size:30px;color:#e3e9dc}
.site.is-landing .hero-foot label{font-size:10px}
.site.is-landing .hero-art{position:relative;min-width:0;height:550px;display:flex;flex-direction:column;justify-content:center;perspective:1000px}
.site.is-landing .workspace{width:95%;margin:30px 0 0 auto;transform:rotateY(-13deg) rotateX(7deg) rotateZ(-5deg);border-color:#c4ff3d55;background:#141b16;box-shadow:25px 35px 0 #c4ff3d08,0 35px 100px #000,0 0 80px #8dbb1410;animation:float 7s ease-in-out infinite;z-index:2}
.site.is-landing .windowbar{background:#12180f;border-color:#c4ff3d1c}
.site.is-landing .windowbar i{background:#c4ff3d66}
.site.is-landing .windowbar em{color:var(--mint)}
.site.is-landing .demo-nav{background:#1a2116}
.site.is-landing .demo-body{min-height:290px}
.site.is-landing .demo-side .selected{color:var(--mint);background:#c4ff3d15}
.site.is-landing .demo-doc h3{font-size:21px;font-weight:550}
.site.is-landing .demo-doc .meta{color:#a6b68f}
.site.is-landing .doc-section span{color:#b7d48a}
.site.is-landing .status{background:#c4ff3d0b;border-color:#c4ff3d30;color:var(--mint)}
.site.is-landing .orbit{position:absolute;inset:0;border:1px solid #c4ff3d30;border-radius:50%;transform:rotate(-33deg) scaleY(.67);pointer-events:none}
.site.is-landing .orbit-b{inset:40px -35px;transform:rotate(38deg) scaleY(.8);border-color:#c4ff3d15}
.site.is-landing .art-star{position:absolute;right:-15px;top:-25px;font-size:160px;line-height:1;color:var(--mint);font-family:Arial,sans-serif;z-index:1;animation:rotate 35s linear infinite;text-shadow:0 0 80px #c4ff3d25}
.site.is-landing .art-label{position:absolute;left:25px;top:0;font-size:9px;line-height:1.7;color:#8d9f75;letter-spacing:2px}
.site.is-landing .float-pill{position:absolute;z-index:3;box-shadow:0 16px 40px #0006}
.site.is-landing .pill-one{left:-15px;top:105px;padding:10px 15px;background:#c4ff3d;color:#192503;font-size:11px;font-weight:700;transform:rotate(-7deg)}
.site.is-landing .pill-two{right:-5px;bottom:60px;padding:15px 20px;background:#edf3e5;color:#17220c;font-size:12px;transform:rotate(4deg)}
.site.is-landing .pill-two span{font-size:23px;vertical-align:middle;margin-right:12px}
.site.is-landing .demo-caption{position:absolute;bottom:5px;left:40px;right:10px;font-size:8px;color:#8a967f}
.site.is-landing .strip{margin-top:40px;border-bottom:0;grid-template-columns:1.1fr repeat(3,1fr);padding:28px 0}
.site.is-landing .ticker{overflow:hidden;background:var(--mint);color:#111704;padding:16px 0;transform:rotate(-1.5deg) scale(1.01);margin:15px 0 10px;position:relative;z-index:3;border-top:1px solid #e8ff97;border-bottom:1px solid #e8ff97}
.site.is-landing .ticker>div{display:flex;align-items:center;gap:45px;white-space:nowrap;width:max-content;font-size:30px;font-weight:850;letter-spacing:-1px;animation:marquee 27s linear infinite}
.site.is-landing .ticker span{font-size:36px;line-height:1}
.site.is-landing .section{padding:110px 0}
.site.is-landing .section-label{font-size:10px;letter-spacing:3px}
.site.is-landing .heading-row{margin-bottom:50px}
.site.is-landing h2{font-size:clamp(34px,4.1vw,58px);font-weight:750;line-height:1.22;letter-spacing:-2px}
.site.is-landing .heading-row p{font-size:14px}
.site.is-landing .workflow{border-radius:0;border:0;gap:2px;background:var(--line)}
.site.is-landing .step{padding:35px;background:#12160f;border:0;transition:background .25s}
.site.is-landing .step:hover{background:#1c2414}
.site.is-landing .step-top{margin-bottom:65px}
.site.is-landing .step-top b{font-size:64px;letter-spacing:-4px;color:#6e844f;font-weight:300}
.site.is-landing .chip{border-radius:0;border-color:#c4ff3d40;color:#c4dd9f}
.site.is-landing .step h3{font-size:25px;font-weight:650}
.site.is-landing .step-bottom{color:#d4e9b7}
.site.is-landing .light{background:#e7ecdF;color:#122107}
.site.is-landing .light .section-label{color:#536b35}
.site.is-landing .chapter{border-radius:0;padding:20px 15px;font-size:13px}
.site.is-landing .chapter.active{background:#1c310e;border-color:#1c310e}
.site.is-landing .chapter.active span{color:#c4ff3d}
.site.is-landing .chapter-detail{border-radius:0;box-shadow:14px 14px 0 #c0ccaf;background:#fbfff5;padding:30px 34px;min-height:340px}
.site.is-landing .chapter-detail h3{font-size:30px;font-weight:700}
.site.is-landing .chapter-detail p{font-size:14px}
.site.is-landing .detail-tags span{border-radius:0;background:#e4eed8}
.site.is-landing .chapter-note{margin-top:28px}
.site.is-landing .chapter-layout{gap:60px}
.site.is-landing .prices{gap:15px}
.site.is-landing .price-card{border-radius:0;background:#11160e;padding:33px}
.site.is-landing .price-card.featured{background:var(--mint);color:#19250b;border-color:var(--mint);transform:translateY(-12px);box-shadow:0 18px 55px #c4ff3d12}
.site.is-landing .featured .recommend,
.site.is-landing .featured .price-sub,
.site.is-landing .featured .price-list{color:#466127}
.site.is-landing .featured .price-list{border-color:#15220733}
.site.is-landing .featured .price-list li:before{color:#24370d}
.site.is-landing .featured .btn{background:#14210a;color:#d9ff9a}
.site.is-landing .price-title h3{font-size:21px;font-weight:700}
.site.is-landing .price{font-size:50px;font-weight:650;letter-spacing:-2px}
.site.is-landing .price-sub{margin-bottom:26px}
.site.is-landing .price-list{line-height:2}
.site.is-landing .pricing-tabs{border-radius:0}
.site.is-landing .pricing-tabs button{border-radius:0}
.site.is-landing .pricing-tabs button.active{background:var(--mint);color:#172008}
.site.is-landing .guarantees{margin-top:95px}
.site.is-landing .guarantees h3{font-size:37px;font-weight:700;line-height:1.25}
.site.is-landing .guarantee-grid b{font-size:15px}
.site.is-landing .faq-section{padding-top:80px}
.site.is-landing .faq-grid{gap:70px}
.site.is-landing summary{font-size:16px;padding:4px 0}
.site.is-landing .closing{background:var(--mint);padding:90px 0;color:#192803}
.site.is-landing .closing h2{font-size:clamp(35px,4.4vw,64px);font-weight:850;max-width:800px;letter-spacing:-2px}
.site.is-landing .closing p{color:#425b21}
.site.is-landing .closing .btn{background:#172508;color:#e5ffc7;flex-shrink:0}
.site.is-landing .closing:after{font-size:500px;top:-240px}
.site.is-landing .footer .brand span{color:var(--mint)}
@keyframes float{0%,100%{transform:rotateY(-13deg) rotateX(7deg) rotateZ(-5deg) translateY(0)}50%{transform:rotateY(-9deg) rotateX(5deg) rotateZ(-3deg) translateY(-12px)}}
@keyframes rotate{to{transform:rotate(360deg)}}
@keyframes marquee{to{transform:translateX(-50%)}}
@media(min-width:1600px){.site.is-landing .hero{padding-top:100px}
.site.is-landing .hero-grid{min-height:650px}
.site.is-landing .hero-art{height:620px}
.site.is-landing .workspace{width:100%}
.site.is-landing .demo-body{min-height:340px}
.site.is-landing .hero h1{font-size:115px}}
@media(max-width:1100px){.site.is-landing .wrap{width:calc(100% - 56px)}
.site.is-landing .navlinks{gap:16px;font-size:12px}
.site.is-landing .nav-actions{gap:16px}
.site.is-landing .nav-actions .btn{padding:10px 13px}
.site.is-landing .hero{padding-top:60px}
.site.is-landing .hero-grid{gap:22px;min-height:510px}
.site.is-landing .hero h1{font-size:clamp(60px,7.2vw,82px);letter-spacing:-4px}
.site.is-landing .hero-art{height:490px}
.site.is-landing .workspace{width:100%}
.site.is-landing .demo-body{grid-template-columns:95px 1fr;min-height:275px}
.site.is-landing .demo-doc{padding:20px 16px}
.site.is-landing .demo-doc h3{font-size:18px}
.site.is-landing .art-star{font-size:125px;right:-8px;top:-5px}
.site.is-landing .art-label{left:5px;top:0}
.site.is-landing .pill-one{top:80px;left:-12px}
.site.is-landing .pill-two{bottom:38px;right:0;font-size:11px;padding:12px}
.site.is-landing .demo-caption{left:5px;right:0;bottom:0}
.site.is-landing .lead{font-size:14px}
.site.is-landing .hero-foot{gap:35px}
.site.is-landing .hero-foot strong{font-size:27px}
.site.is-landing .section{padding:85px 0}
.site.is-landing .step{padding:28px}
.site.is-landing .step h3{font-size:22px}
.site.is-landing .chip{font-size:8px}
.site.is-landing .chapter-layout{gap:35px}
.site.is-landing .price-card{padding:25px}
.site.is-landing .price-title{flex-wrap:wrap;gap:8px}
.site.is-landing .price{font-size:43px}
.site.is-landing .closing .wrap{align-items:start}
.site.is-landing .closing h2{font-size:42px}
.site.is-landing .guarantees h3{font-size:32px}}
@media(min-width:761px) and (max-width:900px){.site.is-landing .navlinks{display:none}
.site.is-landing .hero h1{font-size:61px}
.site.is-landing .hero-grid{gap:12px}
.site.is-landing .hero-art{height:460px}
.site.is-landing .demo-side{padding:12px 5px;font-size:8px}
.site.is-landing .demo-body{grid-template-columns:82px 1fr;min-height:260px}
.site.is-landing .demo-doc{padding:17px 13px}
.site.is-landing .demo-doc h3{font-size:17px}
.site.is-landing .demo-nav{padding:13px}
.site.is-landing .float-pill{font-size:9px}
.site.is-landing .pill-two{bottom:40px}
.site.is-landing .hero .btn{padding:13px 16px;font-size:11px;gap:15px}
.site.is-landing .step{padding:22px}
.site.is-landing .step h3{font-size:20px}
.site.is-landing .step-top{flex-direction:column;align-items:start;gap:15px;margin-bottom:30px}
.site.is-landing .price-card{padding:22px}
.site.is-landing .prices{gap:9px}
.site.is-landing .price-title h3{font-size:19px}
.site.is-landing .recommend{font-size:8px}
.site.is-landing .price{font-size:38px}
.site.is-landing .dev .price{font-size:22px}
.site.is-landing .chapter{font-size:11px;padding:17px 11px}
.site.is-landing .chapter-layout{gap:24px}}
@media(max-width:760px){.site.is-landing .wrap{width:calc(100% - 36px)}
.site.is-landing .nav{height:72px}
.site.is-landing .navlinks{top:71px;background:#10150c}
.site.is-landing .brand{font-size:13px}
.site.is-landing .nav-actions .btn{font-size:10px;padding:9px 12px}
.site.is-landing .menu-toggle{border-radius:0}
.site.is-landing .hero{padding-top:45px}
.site.is-landing .hero-grid{grid-template-columns:1fr;gap:0;min-height:0}
.site.is-landing .hero h1{font-size:clamp(58px,12.9vw,94px);line-height:1.08;letter-spacing:-4px;margin-bottom:23px}
.site.is-landing .eyebrow{font-size:9px;letter-spacing:2.4px;margin-bottom:23px}
.site.is-landing .lead{max-width:490px;font-size:14px;margin-bottom:25px}
.site.is-landing .cta-row{gap:10px}
.site.is-landing .hero .btn{font-size:12px;padding:14px 18px;gap:18px}
.site.is-landing .fine{font-size:10px}
.site.is-landing .hero-foot{max-width:none;gap:0;justify-content:space-between;margin-top:25px;padding-top:19px}
.site.is-landing .hero-foot strong{font-size:27px}
.site.is-landing .hero-foot label{font-size:10px}
.site.is-landing .hero-art{height:445px;margin:35px auto 0;width:min(100%,500px);padding:20px 7px}
.site.is-landing .workspace{width:94%;margin:auto;transform:rotateY(-9deg) rotateX(5deg) rotateZ(-4deg);animation:none}
.site.is-landing .demo-body{grid-template-columns:100px 1fr;min-height:260px}
.site.is-landing .demo-doc{padding:20px 16px}
.site.is-landing .demo-doc h3{font-size:19px}
.site.is-landing .art-star{font-size:108px;right:0;top:-8px}
.site.is-landing .art-label{top:0;left:5px;font-size:8px}
.site.is-landing .pill-one{top:62px;left:0;font-size:9px;padding:7px 11px}
.site.is-landing .pill-two{right:0;bottom:33px;font-size:10px;padding:10px 15px}
.site.is-landing .demo-caption{bottom:0;font-size:7px;left:9px;right:9px}
.site.is-landing .orbit-b{inset:35px -5px}
.site.is-landing .orbit-a{inset:0}
.site.is-landing .strip{grid-template-columns:1fr 1fr;gap:14px;margin-top:17px;padding:23px 0}
.site.is-landing .strip p{grid-column:1/-1}
.site.is-landing .strip div{font-size:10px}
.site.is-landing .ticker{margin-top:6px;padding:11px 0;transform:rotate(-2deg) scale(1.02)}
.site.is-landing .ticker>div{font-size:23px;gap:28px}
.site.is-landing .ticker span{font-size:25px}
.site.is-landing .section{padding:65px 0}
.site.is-landing .heading-row{margin-bottom:30px}
.site.is-landing h2{font-size:35px;letter-spacing:-1.5px}
.site.is-landing .heading-row p{font-size:13px;line-height:1.85}
.site.is-landing .workflow{gap:1px}
.site.is-landing .step{padding:29px}
.site.is-landing .step-top{flex-direction:row;margin-bottom:29px;align-items:center}
.site.is-landing .step-top b{font-size:57px}
.site.is-landing .chip{font-size:9px}
.site.is-landing .step h3{font-size:25px}
.site.is-landing .step p{font-size:13px}
.site.is-landing .step-bottom{margin-top:25px}
.site.is-landing .chapter-layout{gap:24px}
.site.is-landing .chapter{font-size:12px;padding:16px 12px}
.site.is-landing .chapter-detail{min-height:310px;padding:25px;box-shadow:8px 8px 0 #bdcbaa;margin-right:8px}
.site.is-landing .chapter-detail h3{font-size:27px}
.site.is-landing .chapter-detail p{font-size:13px}
.site.is-landing .section-label{font-size:9px;letter-spacing:2px}
.site.is-landing .prices{gap:20px}
.site.is-landing .price-card{padding:30px}
.site.is-landing .price-card.featured{transform:none}
.site.is-landing .price{font-size:49px}
.site.is-landing .price-title h3{font-size:23px}
.site.is-landing .recommend{font-size:10px}
.site.is-landing .price-list{font-size:13px}
.site.is-landing .price-card .btn{padding:13px}
.site.is-landing .dev .price{font-size:31px}
.site.is-landing .guarantees{margin-top:60px;padding-top:35px;gap:30px}
.site.is-landing .guarantees h3{font-size:33px}
.site.is-landing .guarantee-grid{gap:25px 18px}
.site.is-landing .guarantee-grid b{font-size:13px}
.site.is-landing .guarantee-grid span{font-size:11px}
.site.is-landing .faq-section{padding:60px 0}
.site.is-landing .faq-grid{gap:28px}
.site.is-landing summary{font-size:14px}
.site.is-landing .closing{padding:55px 0}
.site.is-landing .closing h2{font-size:38px;max-width:400px;letter-spacing:-1.5px}
.site.is-landing .closing p{font-size:12px}
.site.is-landing .closing .btn{margin-top:25px}
.site.is-landing .footer{padding-top:30px}}
@media(max-width:380px){.site.is-landing .wrap{width:calc(100% - 28px)}
.site.is-landing .brand{font-size:12px;gap:5px}
.site.is-landing .nav-actions .btn{font-size:9px;padding:8px}
.site.is-landing .nav{gap:8px}
.site.is-landing .hero h1{font-size:57px}
.site.is-landing .hero .btn{font-size:11px;padding:13px 14px;gap:12px}
.site.is-landing .demo-body{grid-template-columns:85px 1fr}
.site.is-landing .demo-doc h3{font-size:16px}
.site.is-landing .demo-doc{padding:17px 12px}
.site.is-landing .hero-art{height:420px}
.site.is-landing .demo-nav{padding:12px;font-size:10px}
.site.is-landing .demo-nav span{font-size:7px}
.site.is-landing .chapter{font-size:11px;padding:14px 9px}
.site.is-landing .closing h2{font-size:34px}}
@media(prefers-reduced-motion:reduce){.site.is-landing .workspace,
.site.is-landing .art-star,
.site.is-landing .ticker>div{animation:none}
.site.is-landing .workspace{transform:rotate(-3deg)}}
/* 与共享基础样式隔离：首页自带完整版式，清掉共享样式可能带进来的描边 */
.is-landing article,
.is-landing section,
.is-landing details,
.is-landing summary,
.is-landing figure,
.is-landing aside{ border: 0; }
.is-landing h1,
.is-landing h2,
.is-landing h3,
.is-landing h4{ margin: 0; }
.is-landing p{ margin: 0; }
.is-landing ul,
.is-landing ol{ margin: 0; padding: 0; }
/* 深色版式落地：共享样式给 body/容器垫了浅色底，这里压回深色 */
html:has(.is-landing),
body:has(.is-landing){ background: #080a09; color: #f0f4f4; }
.is-landing{ background: #080a09; color: #f0f4f4; overflow-x: clip; }
.site.is-landing{ background: #080a09; }


/* 共享样式给 .chip 垫了白底，这里还原成透明底 + 细描边 */
.site.is-landing .chip { background: transparent; }

/* 首页不加载共享样式，这里补提示条（flash 消息用） */
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(8px);background:#1c1e2b;color:#fff;font-size:13px;padding:10px 18px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:9999;max-width:76vw;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 导航里的「下载客户端」：做成绿描边胶囊，比「登录」显眼、比「免费开始」主按钮弱一档。
   原来只是一行灰字，放在导航里跟菜单项一个份量，客户根本不会点。 */
.site.is-landing .nav-dl{display:inline-flex;align-items:center;gap:7px;
  color:var(--mint);font-size:12.5px;font-weight:600;letter-spacing:.2px;
  padding:8px 14px;border:1px solid rgba(196,255,61,.42);border-radius:999px;
  background:rgba(196,255,61,.08);transition:background .18s,border-color .18s,transform .18s}
.site.is-landing .nav-dl svg{width:13px;height:13px;flex:none}
.site.is-landing .nav-dl:hover{background:rgba(196,255,61,.16);border-color:var(--mint);transform:translateY(-1px)}
/* 手机上没有电脑客户端这回事，直接收掉，别占位置 */
@media(max-width:760px){
  .site.is-landing .nav-dl{display:none}
}

/* ---------- 首屏下载带 ----------
   客户来看官网，第一屏决定他会不会下载。导航那个按钮太小，
   这里在首屏正文里给一条整行可点的引导带：左边图标、中间说什么好处、右边「立即下载」。 */
.site.is-landing .dl-band{display:flex;align-items:center;gap:14px;margin:22px 0 2px;padding:13px 16px;
  border:1px solid rgba(196,255,61,.42);border-radius:12px;
  background:linear-gradient(90deg,rgba(196,255,61,.10),rgba(196,255,61,.02) 62%,rgba(196,255,61,0));
  transition:border-color .18s,background .18s,transform .18s}
.site.is-landing .dl-band:hover{border-color:var(--mint);background:linear-gradient(90deg,rgba(196,255,61,.17),rgba(196,255,61,.04) 62%,rgba(196,255,61,0));transform:translateY(-1px)}
.site.is-landing .dl-ic{width:38px;height:38px;flex:none;border-radius:10px;display:grid;place-items:center;
  background:var(--mint);color:var(--ink);box-shadow:0 8px 18px -10px rgba(196,255,61,.9)}
.site.is-landing .dl-ic svg{width:20px;height:20px}
.site.is-landing .dl-tx{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.site.is-landing .dl-tx b{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:650;color:var(--text);letter-spacing:.1px}
.site.is-landing .dl-v{font-size:10.5px;font-weight:600;color:var(--mint);letter-spacing:.4px;
  padding:1px 7px;border-radius:5px;background:rgba(196,255,61,.12)}
.site.is-landing .dl-tx>span{font-size:11.5px;color:var(--muted);line-height:1.5}
/* 右侧「立即下载」做成小实心按钮：整条虽然可点，但没有按钮块就只是个信息条，客户不会按 */
.site.is-landing .dl-go{flex:none;display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:650;color:var(--ink);white-space:nowrap;
  padding:9px 15px;border-radius:8px;background:var(--mint);
  box-shadow:0 8px 18px -12px rgba(196,255,61,.95);transition:background .18s,transform .18s}
.site.is-landing .dl-arr{font-size:13px;transition:transform .18s}
.site.is-landing .dl-band:hover .dl-go{background:#d3ffe6;transform:translateY(-1px)}
.site.is-landing .dl-band:hover .dl-arr{transform:translateY(2px)}
/* 手机上没有 Windows 客户端这回事，收掉，别占首屏 */
@media(max-width:760px){
  .site.is-landing .dl-band{display:none}
}

/* ---------- 首页 · 按行业看方案 ----------
   这块主要是给搜索引擎一条爬取路径，同时对访客也是个入口：
   从「我是做零售的」直接跳到对应的方案页，比让他自己想关键词快。 */
.site.is-landing .sol-nav-sec{padding-top:8px}
.site.is-landing .sol-nav-sec .heading-row p a{color:var(--mint);border-bottom:1px solid rgba(196,255,61,.35)}
.site.is-landing .sol-nav-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin-top:26px}
.site.is-landing .sol-nav-grid a{display:flex;flex-direction:column;gap:3px;padding:12px 14px;
  border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.02);transition:.16s}
.site.is-landing .sol-nav-grid a:hover{border-color:rgba(196,255,61,.45);background:rgba(196,255,61,.06);transform:translateY(-2px)}
.site.is-landing .sol-nav-grid b{font-size:12.6px;font-weight:640;color:var(--text)}
.site.is-landing .sol-nav-grid span{font-size:11px;color:var(--muted);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:1000px){.site.is-landing .sol-nav-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:640px){.site.is-landing .sol-nav-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- 首页 · 最新笔记 ----------
   和三张行业卡不同，这里横排三条，靠标题撑住，不加图片：
   内容是文字产品，图片只会拖慢首屏。 */
.site.is-landing .art-nav-sec{padding-top:8px}
.site.is-landing .art-nav-sec .heading-row p a{color:var(--mint);border-bottom:1px solid rgba(196,255,61,.35)}
.site.is-landing .art-nav-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:26px}
.site.is-landing .art-nav-grid a{display:flex;flex-direction:column;gap:7px;padding:16px 18px;
  border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.02);transition:.16s}
.site.is-landing .art-nav-grid a:hover{border-color:rgba(196,255,61,.42);background:rgba(196,255,61,.05);transform:translateY(-2px)}
.site.is-landing .art-nav-grid .meta{font-size:10.4px;letter-spacing:.06em;color:var(--mint);opacity:.75}
.site.is-landing .art-nav-grid b{font-size:13.6px;font-weight:620;line-height:1.55;color:var(--text)}
.site.is-landing .art-nav-grid em{font-style:normal;font-size:11.4px;color:var(--muted);line-height:1.65}
@media(max-width:900px){.site.is-landing .art-nav-grid{grid-template-columns:1fr}}

/* ============================================================
   滚动进场动效
   只在 html.js 成立时隐藏内容：head 的内联脚本在第一帧就打上 js 类，
   所以不会出现「先看见内容、随后突然消失」的闪烁。
   正常情况 landing.js 观察到元素进入视口就加 .is-in；
   万一脚本没加载成功，head 里 2.6 秒的兜底会摘掉 js 类，内容自动全部显形。
   ============================================================ */
.js [data-rv] {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition:
    opacity .62s cubic-bezier(.22, .68, .28, 1),
    transform .62s cubic-bezier(.22, .68, .28, 1);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.js [data-rv="fade"]  { transform: none; }
.js [data-rv="left"]  { transform: translate3d(-26px, 0, 0); }
.js [data-rv="right"] { transform: translate3d(26px, 0, 0); }
.js [data-rv="zoom"]  { transform: scale(.965); }
.js [data-rv].is-in   { opacity: 1; transform: none; }

/* 悬停：只抬一点点 + 边框亮一点，营销页不宜浮夸 */
@media (hover: hover) and (pointer: fine) {
  .step, .price-card, .sol-nav-grid > *, .art-nav-grid > *, .guarantee-grid > div {
    transition:
      transform .34s cubic-bezier(.22, .68, .28, 1),
      border-color .34s ease,
      box-shadow .34s ease;
  }
  .step:hover, .price-card:hover, .sol-nav-grid > *:hover, .art-nav-grid > *:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 34px -26px rgba(0, 0, 0, .75);
  }
  .guarantee-grid > div:hover { transform: translateY(-2px); }
}

/* 首屏别做长动画：LCP 会被拖后，白等 0.6 秒等于给 SEO 扣分 */
.js .hero [data-rv], .js .hero-art[data-rv] {
  transition-duration: .42s;
  transform: translate3d(0, 12px, 0);
}
.js .hero [data-rv="fade"], .js .hero [data-rv="right"] { transform: none; }
.js .hero [data-rv="right"] { transform: translate3d(18px, 0, 0); }
.js .hero [data-rv].is-in, .js .hero-art[data-rv].is-in { transform: none; }

/* hero 网格背景的视差位移，由 JS 写 --sy（px） */
.hero-grid-bg { will-change: transform; transform: translate3d(0, var(--sy, 0), 0); }

/* 手机：位移收窄、节奏加快，避免长页面拖沓 */
@media (max-width: 760px) {
  .js [data-rv] { transform: translate3d(0, 14px, 0); transition-duration: .46s; }
  .js [data-rv="left"], .js [data-rv="right"] { transform: translate3d(0, 14px, 0); }
}

/* 系统开了「减少动态效果」就全部关掉，直接显示 */
@media (prefers-reduced-motion: reduce) {
  .js [data-rv] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .step:hover, .price-card:hover, .sol-nav-grid > *:hover, .art-nav-grid > *:hover {
    transform: none;
  }
}