:root{--ios-bg:#f5f5f7;--ios-card:#fff;--ios-text:#1d1d1f;--ios-muted:#6e6e73;--ios-line:#e5e5ea;--ios-green:#08734a}.portal-shell{background:var(--ios-bg);color:var(--ios-text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",Arial,sans-serif;letter-spacing:-.012em}.portal-nav{height:64px;padding:0 clamp(20px,5vw,88px);border-color:var(--ios-line);background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(20px)}.portal-brand{font-size:10px;color:var(--ios-text);letter-spacing:.09em}.portal-nav nav{gap:2px}.portal-nav nav button,.portal-nav nav a,.portal-account{padding:8px 11px;font-size:13px;font-weight:600;color:var(--ios-muted)}.portal-nav .is-active{background:var(--ios-text);color:#fff}.portal-account{border-color:var(--ios-line);background:#fff;color:var(--ios-text)}.portal-hero{min-height:520px;grid-template-columns:1.18fr .5fr;gap:40px;padding:80px clamp(24px,12vw,190px);background:var(--ios-bg);color:var(--ios-text)}.portal-hero-copy .portal-eyebrow,.portal-eyebrow{color:var(--ios-green);font-size:10px;letter-spacing:.11em}.portal-hero h1{max-width:700px;margin:14px 0 18px;font-size:clamp(46px,5.7vw,78px);font-weight:650;letter-spacing:-.06em;line-height:.99}.portal-copy{max-width:410px;color:var(--ios-muted);font-size:16px;line-height:1.6}.portal-actions{gap:16px;margin-top:25px}.portal-actions button,.portal-primary{padding:12px 16px;border-radius:999px;background:var(--ios-text);color:#fff;font-size:13px}.portal-actions a{color:var(--ios-muted);font-size:13px}.portal-orbit{width:min(100%,285px);background:transparent;border:1px solid var(--ios-line);color:var(--ios-text)}.portal-orbit img{filter:none;opacity:.87}.portal-orbit span{color:var(--ios-muted);font-size:9px}.portal-sites{padding:58px clamp(20px,8vw,140px);background:#fff}.portal-sites h2{margin:10px 0 26px;font-size:clamp(34px,3.8vw,52px);font-weight:650;letter-spacing:-.05em}.portal-grid{gap:12px;border:0}.portal-site{min-height:230px;padding:20px;border:1px solid var(--ios-line);border-radius:18px;background:#fff;transform:none!important}.portal-site:hover{background:#fafafa;box-shadow:0 8px 30px rgba(0,0,0,.04)}.portal-site>b{margin-top:28px;color:var(--ios-muted);font-size:9px}.portal-site h3{margin:8px 0;font-size:23px;font-weight:650;letter-spacing:-.035em}.portal-site p{font-size:13px;color:var(--ios-muted)}.portal-site i{font-size:12px;color:var(--ios-text)}.net-invite{padding:62px clamp(20px,9vw,150px);background:var(--ios-bg)}.net-invite h2{font-size:clamp(32px,3.6vw,50px);font-weight:650;letter-spacing:-.05em}.net-invite>div:last-child p{font-size:14px;color:var(--ios-muted)}.net-invite button{border-radius:999px;background:var(--ios-text);font-size:13px}.portal-footer{padding:22px clamp(20px,8vw,140px);background:#fff;border-color:var(--ios-line);color:var(--ios-muted)}.portal-footer a{color:var(--ios-text)}.net-community{grid-template-columns:220px minmax(0,1fr);gap:48px;padding:42px clamp(20px,9vw,150px);background:var(--ios-bg)}.net-community>aside{padding:0;background:transparent;color:var(--ios-text);border-radius:0}.net-community>aside:after{display:none}.net-community>aside>p{color:var(--ios-green)}.net-community>aside h1{margin:10px 0;font-size:30px;letter-spacing:-.05em}.net-community>aside>span{color:var(--ios-muted);font-size:13px}.net-community>aside>button{margin:22px 0 18px;border:1px solid var(--ios-line);border-radius:12px;background:var(--ios-text);color:#fff}.net-community>aside>div{gap:4px;color:var(--ios-muted)}.net-community>aside>div b{font-size:16px;color:var(--ios-text)}.net-community h2{font-size:44px;font-weight:650;letter-spacing:-.055em}.net-community header>button{border-color:var(--ios-line);background:#fff;font-size:12px}.net-filter{margin-bottom:18px}.net-filter button{padding:7px 10px;border-color:transparent;background:transparent;color:var(--ios-muted);font-size:12px}.net-filter .active{border-color:var(--ios-line);background:#fff;color:var(--ios-text);box-shadow:0 1px 2px rgba(0,0,0,.03)}.net-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.net-topic{min-height:205px;padding:17px;border-color:var(--ios-line);border-radius:14px;box-shadow:none}.net-topic:hover{border-color:#c9cacd;background:#fff;box-shadow:0 8px 22px rgba(0,0,0,.045);transform:translateY(-2px)}.net-topic>div{color:var(--ios-muted);font-size:10px}.net-topic h3{margin:11px 0 6px;font-size:18px;font-weight:650;letter-spacing:-.03em}.net-topic>p{font-size:13px;color:var(--ios-muted)}.net-topic em{background:#f2f2f4;color:#626269;font-size:9px}.net-topic footer{color:var(--ios-muted)}.net-topic footer b{font-weight:600;color:var(--ios-text)}.net-avatar{background:#ececf0;color:#3a3a3c}.net-empty{border-color:var(--ios-line);background:#fff;color:var(--ios-muted)}.portal-modal{background:rgba(0,0,0,.2);backdrop-filter:blur(18px)}.portal-panel{border-radius:22px;padding:28px;background:rgba(255,255,255,.96);box-shadow:0 24px 70px rgba(0,0,0,.17)}.portal-panel h2,.net-thread h1{font-weight:650;letter-spacing:-.05em}.portal-panel input,.portal-panel textarea{border-color:var(--ios-line);background:#f8f8fa}.portal-submit{border-radius:12px;background:var(--ios-text)}.net-note{color:var(--ios-muted)}.net-thread>nav span{background:#f2f2f4;color:#626269}.net-author small,.net-thread section small{color:var(--ios-muted)}.net-body,.net-thread>section>article>p{color:#36363a}.net-thread>section{border-color:var(--ios-line)}.net-like.liked{color:var(--ios-green)}@media(max-width:900px){.net-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.portal-hero{min-height:440px;padding:56px 24px}.portal-orbit{display:none}.portal-hero h1{font-size:48px}.net-community{grid-template-columns:1fr;gap:30px;padding:30px 20px}.net-list{grid-template-columns:1fr}.net-community>aside{position:static}.net-community h2{font-size:38px}}