/* 糖心Vlog：夜间流媒体布局。所有模块可在无 JavaScript 时阅读与跳转。 */
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/* 大屏影院区：充分利用可读宽度，但限制文本行长，避免卡片随视口无限拉伸。 */
@media(min-width:1700px){.main-content{padding-left:54px;padding-right:54px}.hero{grid-template-columns:minmax(0,1.9fr) minmax(275px,.62fr)}.hero-main{min-height:470px}.hero-text{padding:45px}.card-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.catalog{grid-template-columns:repeat(5,minmax(0,1fr))}.rail .video-card{flex-basis:22%}.watch-next .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
/* 常规笔记本：保持首屏视频可见，缩短侧边栏和横向视频轨宽度。 */
@media(max-width:1280px){:root{--sidebar-width:210px}.sidebar{padding-left:9px;padding-right:9px}.main-content{padding-left:24px;padding-right:24px}.topbar{padding-left:24px;padding-right:24px}.hero{grid-template-columns:minmax(0,1.7fr) minmax(215px,.7fr)}.hero-main{min-height:365px}.hero-text{padding:26px}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog{grid-template-columns:repeat(3,minmax(0,1fr))}.rail .video-card{flex-basis:29%}.playback-banner{align-items:flex-start}.playback-banner>div:last-child{flex-direction:column;align-items:stretch}.watch-layout{grid-template-columns:minmax(0,1fr) 240px;gap:17px}}
/* 折叠导航：移动菜单脱离布局层，主区获取完整屏幕宽度。 */
@media(max-width:1060px){:root{--sidebar-width:0px}.sidebar{width:260px;transform:translateX(-103%);transition:transform .24s ease;box-shadow:20px 0 60px rgba(0,0,0,.45)}.sidebar.open{transform:translateX(0)}.site-column{margin-left:0}.nav-toggle{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:#fff;width:38px;height:38px;font-size:19px;flex:none}.mobile-brand{display:inline-block;font-weight:850;font-size:20px;white-space:nowrap;letter-spacing:-.04em}.mobile-brand span{color:var(--pink)}.topbar{min-height:65px;gap:15px}.top-links{margin-left:auto}.site-search{margin-left:0;width:min(310px,35vw)}.hero-main{min-height:390px}.watch-layout{grid-template-columns:minmax(0,1fr) 265px}}
/* 平板：榜单区到焦点视窗下方，卡片三列，文字说明仍可读。 */
@media(max-width:800px){.hero{grid-template-columns:1fr}.hero-main{min-height:410px}.hero-aside{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 12px}.aside-heading{grid-column:1/-1}.hero-aside .mini-video{border-top:1px solid var(--line)}.hero-aside .mini-video img{width:40%;max-width:98px}.aside-note{grid-column:1/-1;margin-top:0}.card-grid,.catalog{grid-template-columns:repeat(3,minmax(0,1fr))}.rail .video-card{flex-basis:35%}.watch-layout{grid-template-columns:1fr}.watch-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}.watch-side>h2,.watch-side>p,.watch-side>.side-cta,.watch-side>.side-spacer{grid-column:1/-1}.watch-side .mini-video{border-top:1px solid var(--line)}.help-grid{gap:12px}}
/* 大手机：首屏压缩并让内容优先，顶部仅保留基本导航和搜索。 */
@media(max-width:620px){.main-content{padding:19px 14px 55px}.topbar{gap:10px;padding:9px 14px}.top-links{display:none}.mobile-brand{font-size:17px}.site-search{width:auto;flex:1;margin-left:auto}.site-search input{padding:7px 9px;font-size:12px}.site-search button{padding:5px 10px;font-size:21px}.hero{margin-bottom:30px}.hero-main{min-height:420px}.hero-image img{object-position:center top}.hero-text{padding:22px 17px}.hero-caption{font-size:10px;right:11px;top:11px}.hero h1{font-size:26px}.hero h1 span{display:block;font-size:.76em;margin-top:3px}.hero-text p{font-size:12px;margin-bottom:16px}.hero-actions{gap:8px}.primary-btn,.subtle-btn{font-size:12px;min-height:39px;padding:8px 12px}.hero-aside{grid-template-columns:1fr 1fr}.hero-aside .mini-video:last-of-type{display:none}.section{margin:25px 0 30px}.section-head{align-items:end}.section-head h2{font-size:20px}.section-head>a{font-size:11px}.rail .video-card{flex:0 0 62%;min-width:210px}.card-grid,.catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 9px}.card-copy h3{font-size:12px}.card-copy>p{font-size:10.5px;line-height:1.5;height:32px}.catalog .card-copy>p{height:47px}.meta{font-size:10px}.playback-banner{padding:18px;flex-direction:column;gap:14px}.playback-banner strong{font-size:15px}.playback-banner>div:last-child{flex-direction:row;flex-wrap:wrap}.playback-banner p{font-size:11px}.poster{aspect-ratio:1.35}.library-header{padding:12px 0 22px}.library-header h1{font-size:28px}.library-header p{font-size:12px}.pill{padding:6px 12px;font-size:11px}.library-help{padding:18px 16px}.help-grid{grid-template-columns:1fr;gap:17px}.watch-heading h1{font-size:24px}.watch-meta{font-size:11px}.watch-description p{font-size:12px}.watch-next .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.watch-side{grid-template-columns:1fr 1fr;padding:16px}.info-page .lead{font-size:14px}.info-grid{grid-template-columns:1fr}.info-grid section,.info-note{padding:20px}.footer{padding:25px 14px}.footer>div{flex-direction:column;align-items:flex-start;gap:3px}.footer nav{gap:10px 16px}.error-page>span{font-size:76px}.error-page h1{font-size:24px}}
/* 小屏幕的阅读与键盘访问保障。 */
@media(max-width:380px){.mobile-brand{font-size:15px}.nav-toggle{width:33px;height:33px}.topbar{gap:7px}.site-search input{font-size:11px;width:0}.hero-main{min-height:400px}.hero-text{padding:17px 13px}.hero h1{font-size:23px}.hero-actions{align-items:stretch}.hero-actions .subtle-btn{font-size:11px}.hero-aside{grid-template-columns:1fr}.hero-aside .mini-video:last-of-type{display:flex}.rail .video-card{flex-basis:75%}.card-grid,.catalog{gap:12px 7px}.badge,.duration{font-size:9px;padding:2px 5px}.card-copy h3{font-size:11px}.meta{font-size:9px}.watch-next .card-grid{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
@media print{.sidebar,.topbar,.hero-actions,.playback-banner,.footer,.filter-chip,.pill-row{display:none!important}.site-column{margin-left:0}.main-content{width:100%;padding:0}body{background:white;color:black}.poster,.hero-image{filter:grayscale(1)}.card-copy>p,.watch-description p{color:#333}.hero-text{position:relative;color:#111}.hero-main{min-height:auto}.hero-image{display:none}.card-grid{grid-template-columns:repeat(3,1fr)}.video-card{break-inside:avoid}.watch-side{display:none}.watch-layout{display:block}}