/* Hallmark · pre-emit critique: P4 H5 E4 S5 R5 V4
 * macrostructure: Workbench · genre: editorial · theme: existing Guandian
 * Audience: business readers · use: app download · tone: editorial.
 * Inherits the site's palette, typography, header and footer. */
.app-page{padding-top:5px;padding-bottom:72px}
.app-breadcrumb{font-size:12px;color:var(--ink-2);display:flex;gap:10px;margin-bottom:32px}
.app-breadcrumb a:hover{color:var(--brand)}
.app-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:68px;padding-bottom:42px}
.app-intro{padding-top:0px;min-width:0}
.app-eyebrow{color:var(--brand);font-size:12px;font-weight:500;letter-spacing:.15em}
.app-intro h1{font:700 66px/1.25 var(--serif);margin:14px 0 22px;letter-spacing:-.03em;overflow-wrap:anywhere}
.app-intro h1 span{font-family:var(--sans);letter-spacing:-.04em}
.app-intro h2{font:600 27px/1.65 var(--serif);margin-bottom:20px}
.app-lead{font-size:14px;line-height:1.9;color:var(--ink-2)}
.app-primary{margin:26px 0 30px;scroll-margin-top:100px;max-width:530px}
.app-primary .app-platforms{gap:12px}
.app-primary .app-platform{display:flex;align-items:center;gap:12px;padding:14px 16px;min-height:76px;border-radius:8px;background:var(--card);color:var(--ink);border:1px solid var(--line-2);transition:background .18s,border-color .18s}
.app-primary .app-platform--android{background:var(--card);color:var(--ink);border-color:var(--line-2)}
.app-primary .app-platform:hover,.app-primary .app-platform.is-recommended{background:var(--sunk);border-color:var(--brand);color:var(--ink)}
.app-primary .app-platform:active{background:var(--sunk);border-color:var(--brand-deep);color:var(--ink)}
.app-primary .app-platform-icon{width:29px;height:32px}
.app-platform-label{display:flex;flex-direction:column;gap:3px;min-width:0}
.app-primary .app-platform-label small{font-size:11px;line-height:1.3;color:inherit;opacity:.8}
.app-primary .app-platform-label strong{font-size:15px;line-height:1.4;white-space:nowrap}
.app-platform-arrow{margin-left:auto;font-size:15px}
.app-download-hint{margin-top:12px;color:var(--ink-2);font-size:11px;line-height:1.8}
.app-browser-tip{position:relative;margin-top:12px;padding:14px 36px 14px 16px;border:1px solid var(--line);border-radius:var(--r);background:var(--brand-soft);font-size:12px;line-height:1.8}
.app-browser-tip strong{font-weight:500;color:var(--brand)}
.app-browser-tip p{margin-top:4px;color:var(--ink-2)}
.app-browser-tip button{position:absolute;right:7px;top:7px;width:28px;height:28px;border:0;background:transparent;color:var(--ink);font-size:20px;cursor:pointer}
.app-browser-tip button:hover{color:var(--brand)}
.app-browser-tip button:active{background:var(--sunk)}
.app-features{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 26px}
.app-features>div{padding:14px 0;border-top:1px solid var(--line)}
.app-features dt{font-size:15px;font-weight:500}
.app-features dt span{font-size:11px;color:var(--brand);margin-right:12px;font-variant-numeric:tabular-nums}
.app-features dd{font-size:12px;color:var(--ink-2);margin:6px 0 0 27px}
.app-visual{background:var(--sunk);padding:20px 26px 24px;position:relative;border-radius: 20px}
.app-visual-heading{display:flex;justify-content:space-between;gap:12px;font-size:10px;letter-spacing:.1em;color:var(--ink-2)}
.app-phone{width:355px;height:auto;margin:20px auto 0}
.app-visual figcaption{border-top:1px solid var(--line);padding-top:15px;font:600 18px/1.5 var(--serif)}
.app-visual figcaption small{display:block;font:400 10px/1.6 var(--sans);color:var(--ink-2);margin-top:5px}
.app-industries{display:flex;align-items:baseline;gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}
.app-industries h2{font:600 16px/1.5 var(--serif);flex-shrink:0}
.app-industries p{font-size:12px;color:var(--ink-2);line-height:2}
.app-industries p span{color:var(--line-2);margin:0 8px}
.app-download{padding-top:40px;scroll-margin-top:100px}
.app-download-title{display:block;margin-bottom:24px}
.app-download-title .app-eyebrow{margin-bottom:8px}
.app-download-title h2{font:600 26px/1.5 var(--serif)}
.app-download-title>p:last-child{margin-top:8px;font-size:13px;color:var(--ink-2)}
.app-download-body{display:grid;grid-template-columns:minmax(0,1fr);gap:38px;background:var(--card);border:1px solid var(--line);padding:30px}
.app-platforms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-content:start}
.app-platform{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;border:1px solid var(--line);padding:18px 16px;border-radius:var(--r);transition:border-color .18s,background .18s}
a.app-platform:hover{border-color:var(--brand);background:var(--brand-soft)}
a.app-platform:active{background:var(--sunk)}
.app-os{grid-column:1/-1;display:flex;align-items:center;gap:12px;color:var(--brand);font:500 13px/1.5 var(--sans);margin-bottom:6px}
.app-platform-icon{display:block;width:32px;height:32px;flex-shrink:0}
.app-platform strong{font-size:14px;font-weight:500;white-space:nowrap}
.app-platform small{grid-column:1/-1;font-size:11px;color:var(--ink-2)}
.app-platform--pending{background:var(--sunk);color:var(--ink-2)}
.app-platform--pending .app-os{color:var(--ink-2)}
.app-other{grid-column:1/-1;padding-top:10px}
.app-other>a{font-size:13px;color:var(--brand);white-space:nowrap}
.app-other>a:hover{text-decoration:underline}
.app-other p{margin-top:8px;font-size:11px;line-height:1.8;color:var(--ink-2)}
.app-markets{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;font-size:13px}
.app-qr{border-left:1px solid var(--line);padding-left:30px;text-align:center}
.app-qr img{width:132px;height:auto;margin:0 auto 14px}
.app-qr strong{display:block;font-size:13px;font-weight:500}
.app-qr figcaption span{display:block;margin-top:5px;font-size:10px;color:var(--ink-2)}
.app-wechat-note{font-size:11px;line-height:1.8;color:var(--ink-2);margin-top:14px}
@media(prefers-reduced-motion:reduce){.app-primary,.app-platform{transition:none}.app-primary:active{transform:none}}
@media(max-width:800px){
 .app-page.wrap{width:auto;margin:0 20px;padding-top:18px;padding-bottom:38px}
 .app-breadcrumb{margin-bottom:20px}
 .app-hero{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:28px}
 .app-intro{padding-top:0}
 .app-intro h1{font-size:48px;margin:12px 0 18px}
 .app-intro h2{font-size:23px}
 .app-lead{font-size:13px}
 .app-desktop-break{display:none}
 .app-primary{margin:22px 0 26px}
 .app-features{gap:0 18px}
 .app-features dt{font-size:14px}
 .app-features dd{margin-left:0;line-height:1.7}
 .app-visual{padding:18px 20px;border-radius: 20px;display: none;}
 .app-phone{width:270px;margin-top:16px}
 .app-industries{display:block;padding:18px 0}
 .app-industries h2{margin-bottom:8px}
 .app-industries p span{margin:0 4px}
 .app-download{padding-top:28px}
 .app-download-title{display:block;margin-bottom:18px}
 .app-download-title h2{font-size:23px;margin:8px 0}
 .app-download-body{grid-template-columns:minmax(0,1fr);padding:20px;gap:24px}
 .app-platforms{grid-template-columns:minmax(0,1fr);gap:12px}
 .app-platform{padding:16px}
 .app-os{margin-bottom:0}
 .app-qr{border-left:0;border-top:1px solid var(--line);padding:22px 0 0;display:flex;align-items:center;gap:20px;text-align:left}
 .app-qr img{width:100px;margin:0}
}
/* 固定外壳与分层画面；素材采用用户提供的参考图。 */
.app-carousel{--device-edge:oklch(18% .006 56);--device-metal:oklch(64% .01 56);--device-glint:oklch(90% .006 56);--device-shadow:oklch(19.4% .006 56 / .18);padding:16px 0 0}
.app-carousel-stage{position:relative;width:100%;height:540px;isolation:isolate;perspective:1000px}
.app-screen,.app-device-mask{position:absolute;left:3%;top:10px;width:48%;height:500px;border-radius:34px}
.app-screen{overflow:clip;background:var(--card);opacity:0;transform:translate3d(-12%,0,-80px) scale(.94);box-shadow:0 12px 28px var(--device-shadow);transition:transform 850ms cubic-bezier(.22,.68,.25,1),opacity 650ms ease;z-index:0;pointer-events:none}
.app-screen svg{display:block;width:100%;height:100%}
.app-screen.is-current{transform:translate3d(0,0,0) scale(1);opacity:1;z-index:3}
.app-screen.is-next{transform:translate3d(50%,0,-100px) scale(.88);opacity:.85;z-index:2;border-radius:22px}
.app-screen.is-back{transform:translate3d(80%,0,-180px) scale(.78);opacity:.55;z-index:1;border-radius:20px}
.app-device-mask{z-index:4;pointer-events:none;border:9px solid var(--device-edge);outline:2px solid var(--device-metal);box-shadow:inset 0 0 0 2px var(--device-glint),0 0 0 4px var(--device-glint);background:transparent}
.app-device-mask:before{content:"";position:absolute;top:0;left:35%;width:30%;height:22px;border-radius:18px;background:var(--device-edge)}
.app-device-mask:after{content:"";position:absolute;bottom:6px;left:32%;width:36%;height:4px;border-radius:4px;background:var(--device-edge)}
.app-carousel-controls{display:flex;align-items:center;gap:12px;padding:0 0 18px;font:400 12px/1.5 var(--sans)}
.app-carousel-controls>span{flex:1;color:var(--ink-2)}
.app-carousel-controls button{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:7px 10px;min-height:34px;border-radius:var(--r);cursor:pointer;white-space:nowrap}
.app-carousel-controls button:hover{border-color:var(--brand);color:var(--brand)}
.app-carousel-controls button:active{background:var(--brand-soft)}
@media(max-width:800px){.app-carousel-stage{height:460px;max-width:440px;margin:0 auto}.app-screen,.app-device-mask{height:420px;width:58%;left:3%}}
@media(max-width:374px){.app-carousel-stage{height:390px}.app-screen,.app-device-mask{height:350px;width:62%}.app-screen.is-next{transform:translate3d(40%,0,-100px) scale(.88)}.app-screen.is-back{transform:translate3d(65%,0,-180px) scale(.78)}}
@media(prefers-reduced-motion:reduce){.app-screen{transition:none}}