:root{--ink:#252638;--muted:#747583;--purple:#5553d9;--line:#e5e5ec;--bg:#fafaf8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}a,button,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #8581ef;outline-offset:5px}header{height:88px;max-width:1280px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}.brand img{width:31px;height:31px}.brand>span{font-size:9px;letter-spacing:1.3px;font-weight:500;color:var(--muted);border-left:1px solid 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0;flex-wrap:wrap;gap:20px}footer>span{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.download-picker{position:relative;display:inline-block;padding:0;border:0;text-align:left}
.download-picker>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:space-between;gap:18px;font-size:14px}
.download-picker>summary::-webkit-details-marker{display:none}
.download-picker>summary:after{content:none}
.download-picker>summary.button{color:white}
.download-picker>summary .download-chevron{color:inherit;font-size:20px;margin-left:12px;transition:transform .15s}
.download-picker[open]>summary .download-chevron{transform:rotate(180deg)}
.download-popover{position:absolute;left:0;top:calc(100% + 10px);width:330px;max-width:calc(100vw - 48px);background:#fff;border:1px solid #dedbea;border-radius:10px;box-shadow:0 14px 45px #25263824;padding:10px;z-index:50;color:var(--ink)}
.popover-title{padding:9px 10px 13px;font-size:12px;font-weight:600;color:var(--muted);border-bottom:1px solid var(--line)}
.download-options{max-height:350px;overflow-y:auto;overscroll-behavior:contain}
.download-option{display:grid;grid-template-columns:1fr auto;align-items:center;gap:7px 12px;padding:13px 10px;border-bottom:1px solid #eeedf3}
.download-option:last-child{border-bottom:0}
.download-option h3{font-size:14px;margin:0}
.channel-link{font-size:12px;color:var(--purple);padding:6px 9px;border-radius:4px;background:#efedf9}
.channel-link:hover{background:#e2dff6}
.channel-pending{border:0;background:#f2f1f5;padding:6px 9px;font-size:11px;color:#9994a5;cursor:not-allowed}
.download-option>p,.download .download-option>p{grid-column:1/-1;margin:0;color:#918c9e;font-size:11px}
.download-option .extraction-code{grid-column:1/-1;display:flex;align-items:center;gap:10px;font-size:11px;color:#80798d}
.extraction-code span{user-select:all}
.extraction-code button{padding:3px 8px;font-size:10px}
.download-status,.download .download-status{font-size:11px;line-height:1.7;color:var(--muted);padding:8px 10px 2px;margin:0}
.nav-picker .download-popover{left:auto;right:0}
.download .download-picker .download-popover{left:50%;transform:translateX(-50%);top:auto;bottom:calc(100% + 10px)}
header{position:relative;z-index:60}
@media(max-width:800px){.nav-picker{display:none}.download-popover{width:310px}.download-picker>summary{font-size:13px}.download-options{max-height:280px}}

.download-picker[open]>summary:after{content:none}
[hidden]{display:none!important}.download-control{display:inline-grid;grid-template-columns:auto auto;position:relative;align-items:start}.download-control .download-picker{grid-column:1/-1}.download-control.has-default .download-picker{grid-column:2;position:static}.download-control.has-default .download-primary{grid-column:1;border-radius:6px 0 0 6px;white-space:nowrap;align-self:stretch;display:flex;align-items:center}.download-control.has-default .download-label{display:none}.download-control.has-default summary{border-radius:0 6px 6px 0;border-left:1px solid #ffffff40;padding-left:13px;padding-right:13px;height:100%}.download-control.has-default .download-picker{align-self:stretch;display:flex}.download-control.has-default .download-chevron{margin:0}.download-control.has-default .download-popover{left:0}.nav-control.has-default .download-popover{left:auto;right:0}.nav-control .download-primary{font-size:13px;padding:11px 16px}.nav-control .download-picker>summary{font-size:13px}.nav-control.has-default summary{border-left-color:#d3d2de}.default-code{grid-column:1/-1;font-size:10px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-top:10px;max-width:320px}.default-code span{user-select:all;overflow-wrap:anywhere}.default-code button{font-size:10px;padding:3px 7px}.download .download-control .download-popover{left:50%;transform:translateX(-50%);top:auto;bottom:calc(100% + 10px)}.nav-control .default-code{display:none}.admin-actions{flex-wrap:wrap;gap:12px}.row-tools{flex-wrap:wrap;gap:15px}@media(max-width:800px){.nav-control{display:none}}

.download-control.has-default .button:hover{transform:none}