.activities-page{--activity-video-bg:#111820;--activity-gold:var(--gold);min-height:100dvh}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.activities-hero{grid-template-columns:minmax(0,1fr) minmax(300px,400px);align-items:end;gap:clamp(48px,8vw,120px);padding-block:clamp(72px,8vw,112px) clamp(54px,6vw,82px);display:grid}.activities-hero h1{margin-bottom:0;font-size:clamp(46px,6vw,76px)}.activities-hero-lede{color:var(--muted);text-align:right;margin:0 0 8px;font-size:17px;line-height:1.85}.activities-lead{grid-template-columns:minmax(0,2fr) minmax(280px,1fr);align-items:stretch;gap:clamp(28px,4vw,52px);padding-bottom:clamp(82px,10vw,132px);display:grid}.activities-featured-column,.activities-recent-rail{flex-direction:column;display:flex}.activity-section-kicker{color:var(--soft);letter-spacing:.16em;margin:0 0 20px;font-size:12px;font-weight:720}.activity-featured-card,.activity-recent-card,.activity-video-card,.activity-grid-card,.activity-info-card,.activity-more-card{border:1px solid var(--line);border-radius:var(--radius-media);background:var(--surface)}.activity-featured-card,.activity-recent-card,.activity-video-card,.activity-grid-card{overflow:hidden}.activities-featured-column .activity-featured-card{flex:auto}.activity-featured-media,.activity-recent-media,.activity-video-media,.activity-grid-media,.activity-detail-cover,.activity-gallery-item a,.bilibili-poster{background:var(--activity-video-bg);display:block;position:relative;overflow:hidden}.activity-featured-media{aspect-ratio:16/9}.activity-featured-media img,.activity-recent-media img,.activity-video-media img,.activity-grid-media img,.activity-detail-cover img,.activity-gallery-item img,.bilibili-poster img{object-fit:cover;transition:transform .42s cubic-bezier(.22,.61,.36,1)}.activity-featured-media:hover img,.activity-recent-media:hover img,.activity-video-media:hover img,.activity-grid-media:hover img,.activity-gallery-item a:hover img,.bilibili-poster:hover img{transform:scale(1.025)}.activity-media-shade{background:linear-gradient(#030e180f,#030e184d);position:absolute;inset:0}.activity-featured-tag{position:absolute;top:20px;left:20px}.activity-tag{letter-spacing:.04em;white-space:nowrap;border-radius:999px;align-items:center;min-height:28px;padding:5px 11px;font-size:11px;font-weight:720;line-height:1;display:inline-flex}.activity-tag-photo{background:color-mix(in srgb, var(--accent) 11%, var(--surface));color:var(--accent)}.activity-tag-video{background:var(--activity-video-bg);color:#fff}.activity-play-mark{color:#fff;background:#031422b8;border:1px solid #ffffffc7;border-radius:50%;place-items:center;width:68px;height:68px;transition:transform .18s,background-color .18s;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 16px 36px #00000040}.activity-play-mark svg{margin-left:4px}a:hover>.activity-play-mark,button:hover>.activity-play-mark{background:var(--accent);transform:translate(-50%,-50%)scale(1.05)}.activity-play-mark-small{width:50px;height:50px}.activity-featured-copy{padding:clamp(24px,3vw,36px)}.activity-featured-copy time,.activity-grid-meta time,.activity-detail-meta time{color:var(--activity-gold);font-family:var(--font-geist), sans-serif;letter-spacing:.1em;font-size:13px;font-weight:720}.activity-featured-copy h2{max-width:18ch;margin:14px 0 12px;font-size:clamp(30px,3.5vw,46px);line-height:1.18}.activity-featured-copy h2 a,.activity-video-copy h3 a,.activity-grid-copy h3 a{color:inherit}.activity-featured-copy h2 a:hover,.activity-video-copy h3 a:hover,.activity-grid-copy h3 a:hover{color:var(--accent)}.activity-featured-copy>p{max-width:620px;color:var(--muted);margin-bottom:22px;font-size:16px;line-height:1.75}.activities-recent-rail{min-width:0}.activity-rail-heading{justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:20px;display:flex}.activity-rail-heading .activity-section-kicker{margin:0}.activity-rail-heading>span{color:var(--soft);font-size:12px}.activities-recent-list{flex:auto;gap:20px;display:grid}.activity-recent-media{aspect-ratio:16/9}.activity-recent-copy{padding:20px}.activity-recent-copy h3{margin:14px 0 12px;font-size:19px}.activity-recent-copy time{color:var(--soft);font-size:12px}.activity-recent-tag{position:absolute;top:14px;left:14px}.activities-more-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,3vw,38px);display:grid}.activity-grid-card{grid-template-columns:minmax(180px,.9fr) minmax(0,1.1fr);display:grid}.activity-grid-media{min-height:260px}.activity-grid-copy{flex-direction:column;align-items:flex-start;min-width:0;padding:clamp(22px,3vw,32px);display:flex}.activity-grid-meta{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.activity-grid-copy h3{margin:20px 0 12px;font-size:clamp(21px,2vw,27px)}.activity-grid-copy>p{color:var(--muted);margin-bottom:22px;font-size:14px;line-height:1.72}.activity-grid-copy .text-link{margin-top:auto;font-size:14px}.activity-detail-hero{max-width:960px;padding-block:clamp(58px,7vw,92px) clamp(46px,5vw,68px)}.activity-breadcrumb{color:var(--soft);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:34px;font-size:13px;display:flex}.activity-breadcrumb a:hover{color:var(--accent)}.activity-detail-hero h1{line-break:strict;word-break:normal;max-width:18ch;font-size:clamp(42px,5.4vw,68px)}.activity-detail-lede{max-width:760px;color:var(--muted);margin-bottom:24px;font-size:clamp(17px,1.6vw,20px);line-height:1.8}.activity-detail-meta{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.activity-detail-meta>span:not(.activity-tag){border:1px solid var(--line);min-height:28px;color:var(--muted);border-radius:999px;align-items:center;padding:4px 11px;font-size:12px;display:inline-flex}.activity-detail-shell{grid-template-columns:minmax(0,1fr) 310px;align-items:start;gap:clamp(42px,6vw,78px);padding-bottom:clamp(90px,10vw,138px);display:grid}.activity-detail-main{min-width:0}.activity-detail-cover,.bilibili-player{aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--radius-media);width:100%;box-shadow:0 26px 70px var(--shadow)}.activity-detail-cover{margin:0}.bilibili-player{background:var(--activity-video-bg);position:relative;overflow:hidden}.activity-file-video{border:1px solid var(--line);border-radius:var(--radius-media);width:100%;box-shadow:0 26px 70px var(--shadow);background:var(--activity-video-bg);margin:0 0 clamp(46px,6vw,66px);overflow:hidden}.activity-file-video video{aspect-ratio:16/9;background:var(--activity-video-bg);width:100%;height:auto;display:block}.activity-file-video figcaption{color:#ffffffb8;padding:10px 14px;font-size:12px}.bilibili-player iframe,.bilibili-poster{border:0;width:100%;height:100%}.bilibili-poster{color:#fff;cursor:pointer;padding:0}.bilibili-poster:focus-visible,.activity-featured-media:focus-visible,.activity-recent-media:focus-visible,.activity-video-media:focus-visible,.activity-grid-media:focus-visible,.activity-gallery-item a:focus-visible,.activity-compact-link:focus-visible{outline:3px solid color-mix(in srgb, var(--accent) 52%, transparent);outline-offset:3px}.bilibili-poster-label{color:#ffffffeb;text-align:center;font-size:12px;position:absolute;bottom:16px;left:18px;right:18px}.activity-original-link{color:var(--accent);align-items:center;gap:7px;margin-top:18px;font-size:14px;font-weight:650;display:inline-flex}.activity-original-link:hover{color:var(--accent-hover)}.activity-article{max-width:760px;margin-top:clamp(54px,7vw,82px)}.activity-article-quote{border-left:3px solid var(--activity-gold);color:var(--text-strong);margin-bottom:clamp(46px,6vw,66px);padding:2px 0 2px 22px;font-size:clamp(20px,2.3vw,28px);font-weight:650;line-height:1.65}.activity-article section+section{margin-top:48px}.activity-article h2,.activity-gallery h2{font-size:clamp(27px,3vw,36px)}.activity-article section p{color:var(--muted);margin-bottom:18px;font-size:16px;line-height:1.88}.activity-detail-aside{gap:22px;display:grid;position:sticky;top:96px}.activity-info-card,.activity-more-card{padding:24px}.activity-aside-title{color:var(--text-strong);margin-bottom:20px;font-size:15px;font-weight:720}.activity-info-card dl{margin:0;display:grid}.activity-info-card dl>div{border-top:1px solid var(--line);padding-block:17px}.activity-info-card dl>div:first-child{border-top:0;padding-top:0}.activity-info-card dl>div:last-child{padding-bottom:0}.activity-info-card dt{color:var(--soft);align-items:center;gap:8px;margin-bottom:8px;font-size:12px;font-weight:650;display:flex}.activity-info-card dd{color:var(--text);margin:0;font-size:14px;line-height:1.65}.activity-more-list{display:grid}.activity-compact-link{border-top:1px solid var(--line);padding:18px 24px 18px 0;display:block;position:relative}.activity-compact-link:first-child{border-top:0;padding-top:0}.activity-compact-heading{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.activity-compact-heading .activity-tag{min-height:24px;padding:4px 8px;font-size:10px}.activity-compact-heading time{color:var(--soft);font-size:11px}.activity-compact-link strong{color:var(--text);margin-top:10px;font-size:14px;font-weight:650;line-height:1.5;display:block}.activity-compact-link:hover strong{color:var(--accent)}.activity-compact-arrow{color:var(--soft);position:absolute;bottom:20px;right:0}.activity-gallery{margin-top:clamp(70px,9vw,104px)}.activity-section-heading{margin-bottom:30px}.activity-section-heading .eyebrow,.activity-section-heading h2{margin-bottom:10px}.activity-gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.activity-gallery-item{margin:0;position:relative}.activity-gallery-item a{aspect-ratio:4/3;border-radius:var(--radius-media)}.activity-gallery-item figcaption{color:var(--soft);margin-top:8px;font-size:12px}.activity-back-link{color:var(--accent);align-items:center;gap:8px;margin-top:56px;font-size:14px;font-weight:650;display:inline-flex}.activity-back-link:hover{color:var(--accent-hover)}@media (max-width:1120px){.activity-grid-card{grid-template-columns:1fr}.activity-grid-media{aspect-ratio:16/9;min-height:220px}}@media (max-width:1023px){.activities-lead{grid-template-columns:minmax(0,1.55fr) minmax(250px,.75fr)}.activity-detail-shell{grid-template-columns:minmax(0,1fr) 270px;gap:36px}}@media (max-width:767px){.activities-hero{grid-template-columns:1fr;gap:24px;padding-block:52px 44px}.activities-hero h1{font-size:clamp(42px,13vw,56px)}.activities-hero-lede{text-align:left;max-width:560px;font-size:16px}.activities-lead,.activity-detail-shell{grid-template-columns:1fr}.activities-lead{padding-bottom:74px}.activities-video-rail{margin-top:18px}.activities-more-grid{grid-template-columns:1fr}.activity-grid-card{grid-template-columns:minmax(130px,.75fr) minmax(0,1.25fr)}.activity-grid-media{aspect-ratio:auto;min-height:0}.activity-grid-copy{padding:20px}.activity-grid-copy>p{display:none}.activity-grid-copy h3{margin-top:16px;font-size:19px}.activity-detail-hero{padding-block:48px 38px}.activity-breadcrumb{margin-bottom:26px}.activity-detail-hero h1{font-size:clamp(38px,11vw,50px)}.activity-detail-shell{gap:58px;padding-bottom:82px}.activity-detail-aside{position:static}.activity-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.activity-play-mark{width:58px;height:58px}}@media (max-width:420px){.activity-featured-tag{top:14px;left:14px}.activity-featured-copy{padding:22px 20px 24px}.activity-featured-copy h2{font-size:28px}.activity-grid-card{grid-template-columns:1fr}.activity-grid-media{aspect-ratio:16/9}.activity-gallery-item figcaption{display:none}}@media (prefers-reduced-motion:reduce){.activity-featured-media img,.activity-recent-media img,.activity-video-media img,.activity-grid-media img,.activity-gallery-item img,.bilibili-poster img,.activity-play-mark{transition:none}}