/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,::backdrop,:after,:before{--tw-border-style:solid}}}@layer theme{:host,:root{--font-sans:Arial,"PingFang SC","Microsoft YaHei",sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,::backdrop,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}:host,html{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}menu,ol,ul{list-style:none}audio,canvas,embed,iframe,img,object,svg,video{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,optgroup,select,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit,::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.relative{position:relative}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.flex{display:flex}.hidden{display:none}.shrink{flex-shrink:1}.resize{resize:both}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{color-scheme:light;--text:#0f0f0f;--secondary:#606060;--soft:#f5f5f5;--blue:#006ecf;--blue-soft:#edf5fc;--red:#f22a1a;--red-soft:#fff0ee;--red-text:#bf2115;--orange:#ff8500;--orange-soft:#fff3e6;--orange-text:#9b4a00;--green:#73b338;--green-soft:#f0f7e9;--green-text:#3f711e}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{color:var(--text);background:#fff;font:14px/1.5 Arial,PingFang SC,Microsoft YaHei,sans-serif}button,input,select{font:inherit}button{cursor:pointer;color:inherit;background:0 0;border:0;padding:0}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:3px}h1,h2,h3,p{margin:0}.icon-button{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex}.ui-icon{flex-shrink:0;display:block}.icon-button:hover{background:#0000000d}.site-shell{--sidebar-width:72px}.masthead{z-index:60;background:#fffffff7;grid-template-columns:minmax(max-content,1fr) minmax(0,600px) minmax(0,1fr);justify-content:space-between;align-items:center;column-gap:clamp(8px,2vw,32px);height:56px;padding:0 clamp(8px,1.25vw,16px);display:grid;position:fixed;top:0;left:0;right:0}.header-start{flex-shrink:0;align-items:center;gap:16px;display:flex}.sidebar-toggle{display:none}.watch-shell .sidebar-toggle{display:inline-flex}.brand{white-space:nowrap;letter-spacing:-1px;align-items:center;gap:8px;font-size:22px;font-weight:800;display:flex}.brand-mark{flex-shrink:0;width:54px;height:29px;display:block}.search-form{min-width:0;height:40px;display:flex}.search-form input{border:1px solid #c6c6c6;border-right:0;border-radius:22px 0 0 22px;width:100%;min-width:0;height:40px;padding:0 18px;font-size:16px;box-shadow:inset 0 1px 2px #eee}.search-form input:focus{outline:2px solid var(--blue);outline-offset:-2px;box-shadow:none}.search-submit{background:#f8f8f8;border:1px solid #d3d3d3;border-radius:0 22px 22px 0;flex-shrink:0;place-items:center;width:64px;height:40px;display:grid}.search-submit:hover{background:#f0f0f0}.header-end,.mobile-search-button,.search-back{display:none}.sidebar{width:var(--sidebar-width);z-index:55;background:#fff;padding:12px;position:fixed;top:56px;bottom:0;left:0;overflow-y:auto}.sidebar nav{flex-direction:column;display:flex}.sidebar nav a{border-radius:10px;align-items:center;gap:24px;height:40px;padding:0 12px;display:flex}.sidebar nav a:hover{background:var(--soft)}.sidebar nav a[aria-current=page]{font-weight:600}.sidebar-collapsed .sidebar{padding:4px}.sidebar-collapsed .sidebar nav a{flex-direction:column;justify-content:center;gap:6px;height:74px;padding:0;font-size:10px}.sidebar-backdrop{z-index:50;background:#0009;position:fixed;inset:56px 0 0}.page-content{margin-left:var(--sidebar-width);padding-top:56px}.home-page{padding:0 24px 48px}.browse-toolbar{z-index:20;background:#fff;align-items:center;gap:16px;height:56px;display:flex;position:sticky;top:56px}.browse-toolbar a{color:var(--blue)}.month-heading>span{color:var(--secondary);font-size:12px}.video-timeline{max-width:2400px;margin:0 auto;padding-top:24px}.timeline-month+.timeline-month{margin-top:40px}.month-heading{align-items:baseline;gap:12px;margin-bottom:16px;display:flex}.month-heading h2{font-size:18px;font-weight:600}.video-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 16px;max-width:2400px;margin:0 auto;display:grid}.video-card{min-width:0}.thumbnail{aspect-ratio:16/9;background:#eee;border-radius:12px;width:100%;display:block;position:relative;overflow:hidden}.thumbnail img{object-fit:cover;width:100%;height:100%;transition:filter .15s}.thumbnail:hover img{filter:brightness(.96)}.duration,.preview-badge{color:#fff;background:#000a;border-radius:4px;padding:1px 4px;font-size:12px;font-weight:500;line-height:18px;position:absolute}.preview-badge{background:var(--orange-soft);color:var(--orange-text);font-size:11px;top:8px;left:8px}.duration{bottom:8px;right:8px}.video-card-info{min-width:0;margin-top:12px}.video-card-copy{min-width:0}.video-card :is(h2,h3){-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:4px;font-size:16px;font-weight:600;line-height:22px;display:-webkit-box;overflow:hidden}.video-card p{color:var(--secondary);font-size:14px;line-height:20px}.watch-shell{--sidebar-width:0px!important}.watch-shell .sidebar{display:none}.sidebar-overlay-open .sidebar{width:240px;padding:12px;display:block}.sidebar-overlay-open .sidebar nav a{flex-direction:row;justify-content:flex-start;gap:24px;height:40px;padding:0 12px;font-size:14px}.watch-layout{--related-width:396px;--watch-height-limit:max(200px,calc(100dvh - 116px));grid-template-columns:minmax(0,1fr) var(--related-width);max-width:min(1900px,calc(max(640px, var(--watch-height-limit) * var(--watch-column-ratio,16 / 9)) + var(--related-width) + 48px));grid-template-rows:auto 1fr;gap:0 16px;margin:auto;padding:12px 16px 40px;display:grid}.watch-stage{grid-area:1/1;min-width:0}.watch-details{grid-area:2/1;min-width:0}.watch-heading{align-items:baseline;gap:12px;margin-top:12px;display:flex}.watch-details h1{overflow-wrap:anywhere;min-width:0;font-size:20px;font-weight:700;line-height:28px}.watch-date{white-space:nowrap;color:var(--secondary);flex-shrink:0;font-size:14px;line-height:20px}.related-videos{flex-direction:column;grid-area:1/2/span 2;gap:8px;display:flex}.compact-card{gap:12px;display:flex}.compact-card .thumbnail{border-radius:8px;flex:0 0 62.5%;align-self:flex-start;width:62.5%}.compact-card .video-card-info{margin:0}.compact-card h2{-webkit-line-clamp:3;font-size:14px;line-height:20px}.compact-card p{font-size:12px;line-height:18px}.compact-card .preview-badge{font-size:10px;line-height:16px;top:4px;left:4px}.player{color:#fff;isolation:isolate;background:#080808;border-radius:12px;position:relative;overflow:hidden}.player video{object-fit:contain;cursor:pointer;width:100%;height:100%;display:block}.watch-player{width:100%;aspect-ratio:var(--watch-ratio,16/9);max-height:var(--watch-height-limit)}.player:fullscreen{border-radius:0;width:100vw!important;height:100dvh!important;max-height:none!important}.center-play{background:#0008;border-radius:50%;place-items:center;width:64px;height:64px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.player-controls{opacity:0;transition:opacity .15s}.player.is-paused .player-controls,.player:focus-within .player-controls,.player:hover .player-controls{opacity:1}.player-controls .icon-button:hover{background:#ffffff25}.player-bottom{background:linear-gradient(#0000,#000a);padding:22px 12px 0;position:absolute;bottom:0;left:0;right:0}.seek{appearance:none;cursor:pointer;border:0;border-radius:0;width:100%;height:3px;padding:0;display:block}.seek::-webkit-slider-thumb{appearance:none;background:var(--red);opacity:0;border-radius:50%;width:12px;height:12px}.seek:hover::-webkit-slider-thumb{opacity:1}.seek:focus-visible::-webkit-slider-thumb{opacity:1}.seek::-moz-range-thumb{background:var(--red);border:0;border-radius:50%;width:12px;height:12px}.playback-toolbar{align-items:center;gap:2px;height:48px;display:flex}.playback-toolbar .icon-button{width:40px}.volume-control{align-items:center;display:flex}.volume-control input{accent-color:#fff;width:52px;height:3px;margin-right:8px}.playback-time{white-space:nowrap;font-size:12px}.toolbar-space{flex:1}.player-error{background:#111;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.player-error button{color:#111;background:#fff;border-radius:24px;padding:8px 16px}.story-inline{border-top:1px solid #eee;margin-top:16px;padding-top:12px}.story-header{flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;min-height:40px;display:flex}.story-header h2{font-size:18px;font-weight:600}.story-body{overflow-wrap:anywhere;font-size:15px;line-height:1.9}.story-body h3{margin:0 0 16px;font-size:16px;font-weight:600;line-height:1.5}.story-body p{white-space:pre-wrap}.story-empty{color:var(--secondary)}.recommend-layout{--feed-height:max(0px,calc(100dvh - 96px));--feed-story-width:min(33vw,480px);--feed-story-player-space:96px;--feed-navigation-size:56px;--feed-navigation-inset:24px;--feed-end-space:calc(var(--feed-navigation-inset) + var(--feed-navigation-size) + 16px);height:calc(100dvh - 56px);display:flex;position:relative;overflow:hidden}.feed-scroll{scroll-snap-type:y mandatory;scrollbar-width:none;overscroll-behavior-y:contain;flex:1;min-width:0;height:100%;overflow:hidden auto}.feed-scroll::-webkit-scrollbar{display:none}.feed-item{--feed-reserved-width:calc(var(--feed-end-space) + 72px);--feed-offset:var(--feed-end-space);scroll-snap-align:start;scroll-snap-stop:always;justify-content:center;align-items:center;height:calc(100dvh - 80px);min-height:200px;padding:8px 0;display:flex}.feed-video-wrap{height:auto;max-height:100%;aspect-ratio:var(--frame-ratio,9/16);width:min(calc(var(--feed-height) * var(--frame-ratio,9 / 16)),calc(100% - var(--feed-reserved-width)));margin-right:var(--feed-offset);flex-shrink:0;display:flex;position:relative}.feed-player{width:100%;height:100%}.feed-scrim{pointer-events:none;background:linear-gradient(#0000 calc(100% - 140px),#0009);position:absolute;inset:0}.feed-player video{object-fit:contain}.inactive-poster{background:#111;border-radius:12px;position:relative;overflow:hidden}.inactive-poster img{object-fit:contain}.feed-actions{flex-direction:column;align-items:center;gap:6px;font-size:12px;display:flex;position:absolute;bottom:8px;left:calc(100% + 12px)}.feed-actions button{background:var(--soft);border-radius:50%;place-items:center;width:48px;height:48px;display:grid}.feed-actions button:hover{background:#e5e5e5}.feed-actions button[aria-expanded=true]{background:var(--blue-soft);color:var(--blue)}.feed-caption{z-index:2;isolation:isolate;color:#fff;pointer-events:none;text-shadow:0 1px 3px #0005;position:absolute;bottom:16px;left:16px;right:16px}.feed-caption p{align-items:center;gap:8px;margin-bottom:8px;display:flex}.feed-caption a{pointer-events:auto;text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.feed-sample{background:var(--orange-soft);color:var(--orange-text);text-shadow:none;border-radius:3px;padding:1px 4px;font-size:10px}.feed-top-controls{gap:8px;display:flex;position:absolute;top:16px;left:16px;right:16px}.feed-top-controls .icon-button{background:#0006}.feed-fullscreen{margin-left:auto}.feed-player .player-bottom{z-index:5;padding:0}.feed-player .player-controls{opacity:1}.feed-navigation{right:var(--feed-navigation-inset);z-index:25;flex-direction:column;gap:16px;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.feed-navigation .icon-button{width:var(--feed-navigation-size);height:var(--feed-navigation-size);background:var(--soft)}.feed-navigation .icon-button:hover:not(:disabled){background:#e5e5e5}.feed-story{--story-frame-height:max(0px,min(var(--feed-height),calc((100vw - var(--sidebar-width) - var(--feed-story-width) - var(--feed-end-space) - var(--feed-story-player-space)) * 16 / 9)));width:var(--feed-story-width);height:var(--story-frame-height);margin:calc((max(200px, calc(100dvh - 80px)) - var(--story-frame-height)) / 2) var(--feed-end-space) 0 0;z-index:30;background:#fff;border:1px solid #d9d9d9;border-radius:12px;flex-shrink:0;align-self:flex-start;overflow:hidden}.has-story .feed-item{--feed-reserved-width:var(--feed-story-player-space);--feed-offset:64px}.story-dialog{width:min(100vw,560px);max-width:100vw;height:min(75dvh,640px);max-height:calc(100dvh - 56px);color:var(--text);background:#fff;border:0;border-radius:12px 12px 0 0;margin:0;padding:0;position:fixed;inset:auto auto 0 50%;overflow:hidden;transform:translate(-50%)}.story-dialog::backdrop{background:#0007}.story-dialog-content{height:100%}.story-panel{flex-direction:column;height:100%;min-height:0;display:flex}.story-panel .story-header{border-bottom:1px solid #eee;padding:8px 16px}.story-panel .story-body{overscroll-behavior:contain;flex:1;min-height:0;padding:20px;overflow:auto}.empty-state{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:50vh;padding:24px;display:flex}.empty-state h1{font-size:22px;font-weight:600}.empty-state a{color:var(--blue)}@media (min-width:1800px){.video-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width:2300px){.video-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (max-width:1311px){.watch-layout{--related-width:350px}.compact-card .thumbnail{flex-basis:50%;width:50%}}@media (max-width:1100px){.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:999px){.watch-layout{grid-template-columns:minmax(0,1fr);max-width:none;padding:12px 24px 32px}.related-videos{grid-area:3/1;margin-top:24px}.compact-card .thumbnail{flex:0 0 168px;width:168px}}@media (max-width:791px){.home-page{padding:0 16px 32px}.browse-toolbar{height:64px}}@media (max-width:600px){.video-grid{grid-template-columns:minmax(0,1fr);gap:28px}.home-page{padding:0 0 32px}.browse-toolbar{height:64px;padding:0 12px}.month-heading,.video-card-info{padding:0 12px}.watch-layout{padding:0 0 32px}.watch-player{border-radius:0}.watch-details{padding:0 12px}.watch-details h1{font-size:18px;line-height:26px}.related-videos{padding:0 12px}.compact-card .thumbnail{flex-basis:45%;width:45%}.compact-card .video-card-info{padding:0}.volume-control input{display:none}.playback-toolbar .icon-button{width:36px}.playback-toolbar{gap:0}}@media (max-aspect-ratio:1){.site-shell,.site-shell.sidebar-collapsed{--sidebar-width:0px}.site-shell:not(.sidebar-overlay-open) .sidebar{display:none}.sidebar-toggle{display:inline-flex}.masthead{gap:8px;padding:0 8px;display:flex}.header-start{gap:12px}.brand{gap:5px;font-size:20px}.brand-mark{width:44px;height:24px}.search-form{display:none}.header-end{display:flex}.mobile-search-button{display:inline-flex}.mobile-search-open .header-end,.mobile-search-open .header-start{display:none}.mobile-search-open .search-form{flex:1;display:flex}.mobile-search-open .search-back{margin-right:8px;display:inline-flex}.feed-item{height:calc(100dvh - 56px);min-height:0;padding:0}.feed-item,.has-story .feed-item{--feed-height:max(0px,calc(100dvh - 56px));--feed-reserved-width:0px;--feed-offset:0px}.feed-actions{color:#fff;bottom:108px;left:auto;right:12px}.feed-actions button{background:#ffffff30}.feed-caption{bottom:28px;right:64px}.feed-navigation{display:none}.feed-top-controls{top:12px;left:12px;right:12px}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition:none!important}}@media (min-width:601px){.browse-toolbar{height:56px}}.search-query{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.browse-toolbar>a{flex-shrink:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}