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@media(max-width:760px){.header-inner{min-height:66px;gap:10px}.brand strong{font-size:19px}.brand-library{font-size:15px;gap:6px}.brand-library .icon{width:19px}.brand-divider{height:21px;margin:0 4px}.brand>.icon{width:29px;height:29px}.menu-toggle{display:block;padding:10px 0 10px 10px}.primary-nav{display:none;position:absolute;top:65px;left:0;right:0;align-items:stretch;gap:0;background:white;border-bottom:1px solid var(--border);padding:8px 20px 16px;box-shadow:0 12px 20px #132c4412}.primary-nav.is-open{display:flex;flex-direction:column}.primary-nav>a{line-height:44px}.primary-nav>a.active:after{display:none}.nav-dropdown>button{width:100%;text-align:left;min-height:44px}.dropdown-panel{position:static;box-shadow:none;width:100%;border:0;background:#f5f7fb;display:none}.search-toggle{text-align:left;min-height:44px}.hero{height:270px}.hero-inner{padding:0 26px}.hero h1{font-size:34px;letter-spacing:.5px}.hero p{font-size:14px;max-width:85%;line-height:1.9;margin-top:10px}.hero-actions{margin-top:24px;gap:14px}.button{padding:8px 16px;font-size:14px;min-height:42px}.hero-note{display:none}.hero:after{background:linear-gradient(90deg,#102f4ee8,#102f4e66)}.category-inner{grid-template-columns:repeat(3,minmax(0,1fr));padding:20px 16px;row-gap:20px}.category-inner>a:nth-child(4):before{display:none}.category-icon{width:48px;height:44px}.category-icon .icon{width:27px;height:27px}.category-inner h2{font-size:16px}.category-en{font-size:10px}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 13px}.cover-title{font-size:21px;top:24px;left:15px}.section-heading h2{font-size:25px}.series-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.series-card{aspect-ratio:1.2}.series-card>div{left:12px;bottom:12px}.series-card h3{font-size:17px}.series-card p{display:none}.series-card small{font-size:10px;margin-top:7px}.sidebar .about-box h2{font-size:17px}.footer-inner{flex-direction:column;gap:20px}.footer-inner>div:last-child{justify-content:flex-start}.footer-inner small{text-align:left}.series-video-row{grid-template-columns:28px minmax(0,1fr);gap:12px}.series-video-row>p{grid-column:2}.series-video-row .video-card{max-width:420px}.all-series{grid-template-columns:1fr 1fr}.all-series .series-card{aspect-ratio:1.6}.detail-shell{padding:22px 20px 40px}.video-detail>h1{font-size:26px}.detail-sidebar{grid-template-columns:1fr}.document-shell{padding:25px 22px 45px}.document>h1{font-size:29px}.prose{font-size:15px}.detail-section .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.header-inner{padding:0 15px}.brand strong{font-size:17px}.brand{gap:7px}.brand-library{font-size:14px}.brand-library .icon{display:none}.brand-divider{margin:0 2px}.hero{height:256px}.hero-inner{padding:0 21px}.hero h1{font-size:30px}.hero p{font-size:13px;max-width:94%;letter-spacing:.2px}.hero-actions{gap:12px}.button{padding:8px 14px;font-size:13px}.category-inner{padding-left:8px;padding-right:8px}.category-inner h2{font-size:15px}.category-en{font-size:9px;letter-spacing:-.2px}.page-shell{padding:26px 16px 35px}.section-heading{margin-bottom:18px}.section-heading h2{font-size:24px}.section-heading>a{font-size:11px}.video-grid{column-gap:11px;row-gap:22px}.video-cover{border-radius:7px}.cover-title{font-size:16px;top:15px;left:12px;right:9px;line-height:1.4;max-width:85%}.video-card h3{font-size:13px;margin:7px 2px 6px;line-height:1.5;min-height:39px}.card-tags{margin-left:2px;gap:4px}.card-tags>a{font-size:10px;line-height:19px;padding:0 5px}.card-meta{font-size:10px;margin:0 2px;gap:3px}.card-meta .icon{width:11px;height:11px}.card-meta time{font-size:9px}.sample-label{font-size:8px;left:5px;bottom:5px}.duration{font-size:10px;right:5px;bottom:5px}.series-section{margin-top:30px}.series-grid{gap:9px}.series-card{aspect-ratio:.95}.series-card>div{left:9px;right:7px;bottom:11px}.series-card h3{font-size:15px;line-height:1.5}.series-card small{font-size:9px;gap:3px;flex-wrap:wrap}.series-card small .icon{width:12px;height:12px}.sidebar{grid-template-columns:1fr;padding-top:22px;gap:18px}.sidebar .side-box h2{font-size:17px}.sidebar .recommendation .compact{grid-template-columns:130px 1fr}.compact h3{font-size:14px}.about-box{padding:18px}.all-series{grid-template-columns:1fr}.all-series .series-card{aspect-ratio:1.8}.all-series .series-card h3{font-size:22px}.all-series .series-card p{display:block}.detail-shell{padding-left:15px;padding-right:15px}.video-detail>h1{font-size:23px}.detail-summary{font-size:14px}.player-placeholder h2{font-size:20px}.player-placeholder p{font-size:12px}.placeholder-play .icon{width:42px;height:42px}.source-box{padding:18px 15px}.source-box dl{grid-template-columns:70px 1fr;gap:12px 8px;font-size:13px}.chapter-list button,.chapter-static{gap:10px;padding:12px;font-size:13px}.chapter-list time{min-width:48px}.detail-tags{margin-top:18px}.section-heading h1{font-size:27px}.header-search{padding:12px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}