.demo-section{display:grid;grid-template-columns:1fr 1.15fr;gap:85px;align-items:center;padding-block:25px 85px}.demo-copy h2{max-width:360px}.demo-copy>p:not(.eyebrow){font-size:13px;line-height:1.85;color:var(--muted);margin-top:17px;max-width:370px}.demo-short-steps{list-style:none;counter-reset:demo;padding:0;margin:25px 0;display:grid;gap:12px}.demo-short-steps li{counter-increment:demo;display:flex;align-items:center;gap:12px;font-size:12px}.demo-short-steps li:before{content:counter(demo);display:grid;place-items:center;width:24px;height:24px;background:var(--sky);color:var(--accent);border-radius:50%;font-size:10px;font-weight:700}.demo-copy .demo-app-note{font-size:10px!important;margin-top:13px!important}.demo-player{border:1px solid var(--line);border-radius:16px;padding:8px;background:white;box-shadow:0 12px 35px #18386409;overflow:hidden}.demo-stage{aspect-ratio:16/9;position:relative;border-radius:11px;overflow:hidden;background:#10233c}.demo-stage video{width:100%;height:100%;display:block;object-fit:contain;background:#10233c}.demo-start{position:absolute;inset:0;width:100%;border:0;background:radial-gradient(ellipse at 75% 25%,#3166ba66,transparent 55%),radial-gradient(ellipse at 10% 100%,#50629388,transparent 60%),#13283f;display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;gap:14px;padding:20px}.demo-start:before,.demo-start:after{content:'';position:absolute;border:1px solid #bbd8ff17;width:310px;height:310px;border-radius:50%;pointer-events:none}.demo-start:after{width:220px;height:220px}.demo-start>span:not(.demo-play-circle){font-family:var(--display);font-size:15px;z-index:1}.demo-play-circle{height:58px;width:58px;background:white;box-shadow:0 5px 20px #0002;color:var(--accent);border-radius:50%;display:grid;place-items:center;z-index:1;transition:transform .2s}.demo-play-circle .icon{width:24px;height:24px;margin-left:3px}.demo-start:hover .demo-play-circle{transform:scale(1.08)}.demo-start>small{font-size:10px;letter-spacing:1px;color:#a8bddb;z-index:1}.demo-start>small span{margin-inline:7px}.has-played .demo-start{display:none}.demo-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 12px 9px}.demo-meta strong{display:block;font-size:12px}.demo-meta>div>span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.demo-switch{border:0;background:#f0f5ff;border-radius:6px;display:flex;align-items:center;justify-content:center;gap:6px;font-size:10px;white-space:nowrap;padding:9px 10px}.demo-switch .icon{width:13px;height:13px}.demo-switch:hover{background:#e1ebff}.demo-status{margin:4px 12px 0;font-size:11px;color:#667a96;min-height:21px}.demo-status.is-error{color:#ad4055}.demo-credit{font-size:9px;color:#91a0b2;margin:9px 12px 8px}.demo-credit a{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap}.demo-credit .icon{width:11px;height:11px}.demo-credit a:hover{color:var(--accent)}.guide-header{height:78px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line)}.guide-back{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.guide-back .icon{width:14px;height:14px}.guide-main{max-width:720px;width:calc(100% - 40px);margin:0 auto;padding-block:45px}.guide-heading{margin-bottom:25px}.guide-app{display:flex;align-items:center;gap:9px;margin-bottom:22px}.guide-app img{border-radius:8px}.guide-app strong{font-size:12px}.guide-app>span{color:var(--accent);font-size:9px;letter-spacing:1.4px;border-left:1px solid var(--line);padding-left:11px;margin-left:4px}.guide-heading h1{font-size:36px;letter-spacing:-1.3px;line-height:1.3}.guide-heading>p{font-size:13px;color:var(--muted);margin-top:12px}.guide-app-note{display:flex;gap:9px;align-items:flex-start;font-size:11px;background:#eef4ff;border-radius:8px;padding:14px 16px;color:#577296;margin-top:18px}.guide-app-note .icon{width:16px;height:16px;margin-top:2px}.guide-steps{list-style:none;padding:0;margin:26px 0;display:grid;gap:12px}.guide-steps>li{display:flex;align-items:flex-start;gap:15px;padding:19px 20px;border:1px solid var(--line);border-radius:11px;position:relative}.guide-step-number{display:grid;place-items:center;flex-shrink:0;background:#edf1f7;color:#8899ad;border-radius:50%;width:29px;height:29px;font-size:12px;font-weight:700}.guide-steps h2{font-size:14px;letter-spacing:0;line-height:1.5;margin-top:3px}.guide-steps p{color:var(--muted);font-size:12px;line-height:1.8;margin-top:7px}.guide-steps .is-current{border-color:#c6d8fb;background:#f7faff}.guide-steps .is-current .guide-step-number{background:var(--accent);color:white}.guide-steps .is-complete .guide-step-number{background:#e0f3ed;color:#238365}.guide-steps .is-complete .guide-step-number:after{content:'✓';position:absolute;background:#e0f3ed;border-radius:50%;width:29px;height:29px;display:grid;place-items:center}.guide-app-icon{padding:6px;color:var(--accent);background:#e8f0ff;border-radius:6px;margin-left:auto}.guide-app-icon .icon{width:17px;height:17px}.guide-help{border-bottom:1px solid var(--line)}.guide-help summary{list-style:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-size:12px;font-weight:700;padding-block:17px;gap:15px}.guide-help summary::-webkit-details-marker{display:none}.guide-help summary .icon{width:15px;height:15px;color:var(--accent)}.guide-help>p{font-size:12px;color:var(--muted);line-height:1.85;margin-bottom:18px}.guide-link{margin-block:25px;text-align:center}.guide-copy{background:#edf3ff;color:var(--accent);font-size:11px;padding:11px 17px}.guide-copy .icon{width:15px;height:15px;margin:0}.guide-link>p{font-size:11px;color:var(--muted);margin-top:8px}.guide-install{display:flex;justify-content:space-between;align-items:center;gap:25px;background:#f7f9fd;border:1px solid var(--line);border-radius:11px;padding:22px}.guide-install strong{font-size:12px}.guide-install p{color:var(--muted);font-size:11px;margin-top:6px}.guide-install .button{font-size:11px;white-space:nowrap;padding:13px 15px;gap:9px}.guide-install .button .icon{width:14px;height:14px}.guide-external{text-align:center;font-size:10px;color:#94a0b0;margin-top:23px}.guide-footer{display:flex;justify-content:center;align-items:center;gap:12px;font-size:10px;color:#91a0b1;padding:0 20px 30px}.guide-footer a:hover{color:var(--accent)}html[lang=zh-CN] .guide-heading h1{font-size:36px;letter-spacing:-1px}html[lang=zh-CN] .guide-steps h2{font-size:14px;letter-spacing:0}
@media(max-width:900px){.demo-section{gap:35px}.demo-copy h2{font-size:29px}.demo-meta{padding-inline:8px}.demo-meta strong{font-size:11px}.demo-switch{font-size:9px;padding:8px;gap:4px}}
@media(max-width:650px){.demo-section{display:flex;flex-direction:column;align-items:stretch;gap:27px;padding-block:15px 45px}.demo-copy h2{font-size:26px;max-width:none}.demo-copy>p:not(.eyebrow){font-size:12px}.demo-short-steps{margin-block:20px;gap:10px}.demo-short-steps li{font-size:11px}.demo-player{border-radius:12px;padding:6px}.demo-stage{border-radius:8px}.demo-play-circle{width:47px;height:47px}.demo-start{gap:10px}.demo-start>span:not(.demo-play-circle){font-size:13px}.demo-start>small{font-size:9px}.demo-meta{gap:7px;padding:12px 6px 5px}.demo-meta strong{font-size:11px}.demo-meta>div>span{font-size:9px}.demo-switch{font-size:9px;padding:8px}.demo-switch .icon{display:none}.demo-status{font-size:10px;margin-inline:6px;line-height:1.8}.demo-credit{font-size:8px;margin-inline:6px}.guide-header{height:65px;gap:17px}.guide-header .brand{font-size:21px}.guide-back{font-size:10px}.guide-back .icon{display:none}.guide-header .language-button{font-size:10px;gap:5px}.guide-main{padding-block:27px}.guide-app{margin-bottom:18px}.guide-app>span{font-size:8px;letter-spacing:1px}.guide-heading h1,html[lang=zh-CN] .guide-heading h1{font-size:29px;letter-spacing:-1px}.guide-heading>p{font-size:12px;line-height:1.8}.guide-heading{margin-bottom:21px}.guide-app-note{font-size:10px;padding:12px;line-height:1.8;gap:7px}.guide-steps{margin-block:22px;gap:10px}.guide-steps>li{padding:15px 13px;gap:11px}.guide-step-number{height:25px;width:25px;font-size:11px}.guide-steps .is-complete .guide-step-number:after{width:25px;height:25px}.guide-steps h2,html[lang=zh-CN] .guide-steps h2{font-size:13px;margin-top:2px}.guide-steps p{font-size:11px;line-height:1.85}.guide-app-icon{display:none}.guide-install{display:block;padding:20px}.guide-install .button{margin-top:15px}.guide-external{font-size:9px;line-height:1.8}.guide-help summary{font-size:11px}.guide-help>p{font-size:11px}}

/* Match the native browser button; this is an illustration, not a web control. */
.demo-next-action{display:flex;align-items:center;gap:12px;margin:12px 10px 2px;padding:12px;background:#edf4ff;border:1px solid #d5e3fb;border-radius:9px;color:#31547e;font-size:12px;line-height:1.65}
.sniff-button{flex:none;display:block;width:24px;height:24px}
.demo-next-action .sniff-button{box-sizing:content-box;padding:7px;border-radius:9px;background:white}
.demo-next-action span{min-width:0}
.needs-recovery .demo-switch{background:var(--accent);color:white;box-shadow:0 0 0 3px #2864ed20;white-space:normal;text-align:center}
.needs-recovery .demo-status{color:#9b5420}
.guide-app-icon{margin-inline-start:auto;margin-inline-end:0;flex-shrink:0}
.guide-header>.language-picker{margin-inline-start:auto}
html[data-guide-mode=app] [data-guide-external]{display:none}
html[data-guide-mode=app] .guide-header{height:48px;min-height:48px;padding-block:4px;border-bottom:0;justify-content:flex-end}
html[data-guide-mode=app] .guide-main{padding-block:8px 24px}
html[data-guide-mode=app] .guide-heading{margin-bottom:17px}
html[data-guide-mode=app] .guide-app{margin-bottom:12px}
html[data-guide-mode=app] .guide-heading>p{margin-top:8px}
@media(max-width:650px){
  .demo-next-action{margin:10px 6px 2px;gap:10px;padding:10px;font-size:12px}
  .demo-meta{flex-wrap:wrap;row-gap:10px}
  .demo-meta>div{flex:1 1 130px;min-width:0}
  .demo-switch{font-size:11px;white-space:normal;max-width:100%;padding:10px;line-height:1.5}
  .demo-status{font-size:11px}
  .guide-header{gap:12px}
}