/* 按源站分类树制作的顶部菜单、分类页和播放选择器。 */
.site-header{position:relative;z-index:50;background:#11151c}
.header-inner{width:min(1320px,calc(100% - 48px));min-height:66px;gap:22px}
.brand{font-size:21px;letter-spacing:-1px}.brand-mark{width:32px;height:32px;border-radius:9px;font-size:13px}
.header-nav{height:66px;display:flex;align-items:stretch;gap:2px;margin-left:auto;font-size:12px;font-weight:750}
.header-nav .nav-home,.nav-parent{display:flex;align-items:center;padding:0 12px;color:#ecf2f4;white-space:nowrap}
.header-nav .nav-home:hover,.nav-parent:hover,.header-nav .nav-home.active,.nav-group.active>.nav-parent{color:var(--accent)}

.nav-group{position:relative;display:flex;align-items:stretch}
.nav-sub-toggle{align-self:center;margin-left:-10px;padding:10px 8px;border:0;background:transparent;color:#b9c5c9;font-size:15px;line-height:1}
.nav-sub-toggle:hover,.nav-group.active .nav-sub-toggle{color:var(--accent)}
.nav-dropdown{display:none;position:absolute;z-index:100;top:100%;left:0;min-width:154px;max-height:min(70vh,610px);overflow-y:auto;background:#20252c;border:1px solid #353c45;border-radius:0 0 10px 10px;box-shadow:0 22px 35px rgba(0,0,0,.38)}
.nav-group:hover .nav-dropdown,.nav-group:focus-within .nav-dropdown,.nav-group.is-open .nav-dropdown{display:block}
.nav-dropdown a{display:flex;align-items:center;gap:5px;min-height:38px;padding:9px 12px;color:#e0e6e8;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.055);font-size:12px}
.nav-dropdown a:hover,.nav-dropdown a.active{background:#2d372b;color:var(--accent)}.nav-dropdown a span{color:var(--accent);font-size:19px;line-height:0}
.nav-toggle{display:none;align-items:center;gap:7px;padding:8px 12px;border:1px solid #3a4450;border-radius:8px;background:#1c242c;color:#e8f1e5;font-size:12px;font-weight:750}
.category-intro{padding:53px 0 45px;border-bottom:1px solid rgba(255,255,255,.09)}
.category-intro h1{margin:0;font-size:clamp(38px,5vw,62px);letter-spacing:-2.2px}.category-intro>p:not(.eyebrow){margin:12px 0 25px;color:#aab5bf;font-size:14px}
.subcategory-nav,.subcategory-links{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 30px}
.subcategory-nav a,.subcategory-links a{border:1px solid #39434d;border-radius:8px;background:#17202a;padding:8px 13px;color:#c9d3d7;font-size:12px;font-weight:700}
.subcategory-nav a:hover,.subcategory-nav a.active,.subcategory-links a:hover{border-color:var(--accent);color:var(--accent);background:#263429}
.subcategory-links{margin:18px 0 36px}.subcategory-links a{font-size:13px;padding:12px 16px}.subcategory-links span{margin-left:10px;color:var(--accent)}
.category-section{padding:28px 0 36px;border-top:1px solid rgba(255,255,255,.09)}.category-section .section-heading{margin-bottom:19px}.category-section .video-grid{gap:18px}
.section-more{align-self:center;color:var(--accent);font-size:12px;font-weight:750;white-space:nowrap}.section-more span{margin-left:5px}
.category-small-empty{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:10px;color:#8d9ba7;font-size:12px}
.category-landing{padding-top:36px}.category-landing .category-nav{margin-bottom:0}
.video-stage [hidden],.channel-panel[hidden]{display:none!important}
.video-stage #dplayer-container{width:100%;height:100%}.video-stage .dplayer{width:100%;height:100%;margin:0}
.player-choice-panel,.channel-section{padding-top:23px;margin-top:24px;border-top:1px solid var(--line)}
.player-choice-heading{display:flex;align-items:baseline;gap:12px;margin-bottom:13px}.player-choice-heading span{font-size:18px;font-weight:800}.player-choice-heading small{color:#8794a1;font-size:11px}
.player-mode-list,.channel-list{display:flex;gap:10px;flex-wrap:wrap}
.player-mode,.channel-button{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;min-width:145px;min-height:55px;padding:10px 16px;border:1px solid #3b4550;border-radius:10px;background:#171f2a;color:#e3e9eb;text-align:left;font-size:13px;font-weight:800}
.player-mode small,.channel-button small{color:#8896a4;font-size:10px;font-weight:500}.channel-button strong{font-size:13px}
.player-mode:hover,.channel-button:hover,.player-mode.active,.channel-button.active{border-color:var(--accent);background:#263527;color:var(--accent)}
.player-mode.active small,.channel-button.active small{color:#c3d7b3}.channel-section .episode-title{margin-bottom:13px}
.channel-section+.episode-section{margin-top:25px}.episode-list{max-height:330px;overflow-y:auto;padding:2px 3px 3px 0}
@media(max-width:860px){.header-inner{flex-wrap:wrap;min-height:65px;padding-block:10px}.nav-toggle{display:flex;margin-left:auto}.header-nav{display:none;order:3;flex-basis:100%;height:auto;max-height:76vh;overflow-y:auto;flex-direction:column;align-items:stretch;margin-left:0;padding:8px 0 12px;border-top:1px solid #2d3740}.header-nav.is-open{display:flex}.header-nav .nav-home,.nav-parent{min-height:38px;padding:8px 11px}.nav-group{display:flex;flex-wrap:wrap;align-items:center}.nav-sub-toggle{margin-left:auto}.nav-dropdown{position:static;display:none;flex-basis:100%;max-height:none;overflow:visible;margin:0 0 5px 10px;border-radius:7px;box-shadow:none}.nav-group:hover .nav-dropdown,.nav-group:focus-within .nav-dropdown{display:none}.nav-group.is-open .nav-dropdown{display:block}.nav-dropdown a{min-height:35px}.nav-parent{flex:1}}
@media(max-width:760px){.header-inner{width:min(100% - 32px,1220px)}.category-intro{padding:38px 0 34px}.category-intro h1{font-size:39px}.subcategory-links{gap:7px}.subcategory-links a{padding:9px 11px;font-size:11px}.category-section{padding:25px 0 30px}.player-mode,.channel-button{min-width:calc(50% - 5px)}}