:root{--bg:#f6f7f8;--paper:#fff;--ink:#1f2933;--muted:#748090;--line:#e5e8ed;--accent:#315a87;--accent-bg:#edf4fa;--accent-dark:#223d5a;--green:#267258;--gold:#a7792c;--shadow:0 2px 9px rgba(30,43,65,.045)}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);scroll-behavior:smooth}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.65;cursor:progress}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #84a4cf;outline-offset:2px}a{color:inherit}.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.85;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.hidden,[hidden]{display:none!important}.sr-only{position:absolute!important;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden;white-space:nowrap}
.topbar{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 27px;gap:20px;background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.logo{display:flex;gap:10px;min-width:209px;align-items:center;text-decoration:none}.logo-symbol{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:#294f6a;position:relative;overflow:hidden}.logo-symbol:after{content:"";width:19px;height:12px;border:1.6px solid #dcebef;border-radius:50%;transform:rotate(-30deg)}.logo-dot{width:6px;height:6px;border-radius:50%;background:#c2e0e4;position:absolute;top:11px;left:15px;z-index:1}.logo-text{font-weight:820;font-size:19px;letter-spacing:-.85px;line-height:1}.logo-text>span{font-weight:440}.logo-text small{display:block;font-size:9px;font-weight:650;letter-spacing:1.3px;color:#85919d;margin-top:5px}.global-search{display:flex;align-items:center;gap:11px;text-align:left;background:#f4f6f8;border:1px solid #e8edf1;border-radius:10px;height:39px;min-width:220px;max-width:460px;flex:1;color:#85909d;padding:0 13px;font-size:12px}.global-search .ico{color:#526778}.global-search:hover{border-color:#a7bace;background:#f8fafc}.global-search kbd{margin-left:auto;font-size:11px;border-radius:5px;padding:3px 6px;border:1px solid #e0e5ea;background:white;color:#9aa5ae}.top-right{display:flex;align-items:center;gap:12px}.demo-status{font-size:10px;color:#75818e;white-space:nowrap}.status-dot{display:inline-block;width:7px;height:7px;background:#6eae88;border-radius:50%;margin-right:6px}.lang-label select{border:1px solid #e1e7eb;border-radius:8px;padding:8px;font-size:11px;color:#4e5e6c;background:#fff;max-width:100px}.button{border:0;background:transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:11px 15px;font-size:12px;font-weight:710;line-height:1.1;white-space:nowrap;transition:background .15s,color .15s,border-color .15s}.button.primary{background:#315b83;color:#fff}.button.primary:hover{background:#23476b}.button.outline{border:1px solid #dce4eb;background:white;color:#45647d}.button.outline:hover{background:#f5f9fb}.button .ico{width:16px;height:16px}.layout{display:grid;grid-template-columns:224px minmax(0,780px) 284px;justify-content:center;gap:28px;max-width:1464px;margin:0 auto;padding:23px 24px 65px}.left-nav{min-width:0}.navigation-inner{position:sticky;top:89px;display:flex;flex-direction:column;height:calc(100vh - 115px);min-height:520px;padding:7px 1px}.rail-label{font-size:10px;font-weight:760;letter-spacing:1.1px;color:#8f99a7;margin:10px 12px 11px}.rail-label-row{display:flex;align-items:center;justify-content:space-between}.rail-label-row .rail-label{margin-bottom:9px}.main-nav{display:grid;gap:2px}.nav-item,.orbit-nav,.channel-nav,.side-minor{display:flex;align-items:center;gap:11px;width:100%;border:0;background:transparent;text-align:left;color:#566675;font-size:13px;font-weight:600;border-radius:9px;padding:11px 13px;min-height:41px}.nav-item:hover,.channel-nav:hover,.side-minor:hover,.orbit-nav:hover{background:#edf0f4;color:#344e69}.nav-item.active,.orbit-nav.active{background:#e8eef5;color:#254e78;font-weight:760}.nav-item .ico{width:19px;height:19px}.divider{height:1px;background:var(--line);margin:20px 10px}.text-icon{border:0;background:transparent;color:#7991a1;margin-right:8px;display:grid;place-items:center;padding:5px;border-radius:6px}.text-icon:hover{background:#e8eff6}.orbit-avatar{display:grid;place-items:center;background:#dbe8f0;color:#345d79;border:1px solid #c7d7e5;flex-shrink:0;font-weight:780}.orbit-avatar.small{width:31px;height:31px;border-radius:10px;font-size:13px}.orbit-nav{gap:10px;padding:9px}.orbit-nav-body{display:block;min-width:0}.orbit-nav-body strong{display:block;font-size:12px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.orbit-nav-body small{display:block;font-size:10px;color:#8b9ba8;font-weight:450;margin-top:3px}.side-minor{margin-top:5px;font-size:12px;font-weight:500;color:#82909b;padding-left:15px}.side-minor .ico{width:15px;height:15px}.channel-nav{color:#778493;font-size:12px;font-weight:570;gap:9px;min-height:36px;padding:7px 12px}.channel-nav .ico{width:15px;height:15px;color:#91a1ab}.rail-bottom{display:flex;gap:10px;border-radius:10px;padding:14px 12px;margin-top:auto;background:#eaf0f5;color:#466079}.rail-bottom .ico{width:18px;color:#40688a}.rail-bottom strong{display:block;font-size:11px;margin-bottom:4px}.rail-bottom span{display:block;font-size:10px;color:#8192a2;line-height:1.55}
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.welcome-strip{background:white;border:1px solid var(--line);border-radius:10px;padding:17px 18px;margin-bottom:25px}.strip-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.eyebrow{font-size:10px;color:#6a83a0;font-weight:800;letter-spacing:1.05px}.strip-top h2{font-size:15px;letter-spacing:-.25px;margin:5px 0 0}.strip-top button{display:flex;align-items:center;gap:7px;border:0;background:none;color:#4d7695;font-size:11px;font-weight:740}.strip-top .ico{width:14px}.briefing-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.briefing-item{display:flex;align-items:center;gap:9px;text-align:left;background:#f5f7f9;border:1px solid #f0f2f5;border-radius:8px;padding:12px 10px;min-width:0}.briefing-item:hover{background:#ecf2f7;border-color:#d2e0ec}.briefing-item .ico{width:19px;height:19px;color:#4f7698}.briefing-item span{display:block;font-size:11px;font-weight:670;color:#4f6375;line-height:1.35;white-space:normal}.briefing-empty{font-size:11px;color:#83929d;grid-column:1/-1;padding:6px}
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.page-heading{margin:26px 0 18px}.page-heading h2{font-size:25px;letter-spacing:-.75px;margin:9px 0 7px}.page-heading p{font-size:12px;line-height:1.7;color:#8593a0;margin:0}.mb16{margin-bottom:16px}.community-explainer{display:flex;gap:12px;background:#ecf2f8;border:1px solid #e1ebf3;border-radius:10px;padding:18px;margin-bottom:17px}.community-explainer>.ico{width:22px;height:22px;color:#42769b}.community-explainer strong{font-size:13px}.community-explainer p{font-size:11px;color:#71899d;line-height:1.65;margin:6px 0 0}
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.mobile-bottom{display:none}
.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:min(520px,90vw);border-radius:8px;background:#244b67;color:white;font-size:12px;line-height:1.5;padding:12px 17px;box-shadow:0 8px 38px #162a4544;z-index:110}
.app-modal{border:0;background:white;border-radius:13px;padding:24px;width:min(520px,calc(100vw - 28px));max-height:92vh;overflow-y:auto;box-shadow:0 20px 90px #0a192c55}.app-modal::backdrop{background:#1a2a3a91;backdrop-filter:blur(3px)}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.modal-header h2{font-size:22px;letter-spacing:-.5px;margin:8px 0}.modal-header p{font-size:12px;color:#8996a2;line-height:1.65;margin:0 0 18px}.round-close{border:1px solid #e5e9ec;border-radius:8px;display:grid;place-items:center;width:34px;height:34px;background:white;color:#8e9aa5}.round-close .ico{width:17px}.postal-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.postal-fields label,.report-form label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#64788a;font-weight:740}.postal-fields label select,.postal-fields label input,.report-form label select,.report-form label input,.report-form label textarea{padding:11px;border:1px solid #dfe7eb;border-radius:7px;background:white;color:#273f53;font-size:13px;outline-offset:1px}.postal-fields>button{grid-column:1/-1;padding:13px}.search-feedback{font-size:11px;color:#6d8391;line-height:1.6;margin:10px 0;min-height:18px}.modal-divider{height:1px;background:#e7ebee;margin:18px 0}.office-results{max-height:270px;overflow:auto;margin-top:10px}.office-option{display:flex;align-items:center;gap:12px;width:100%;border:0;background:white;border-radius:7px;padding:11px 9px;text-align:left}.office-option:hover{background:#eff4f8}.office-option strong{color:#386184;white-space:nowrap;font-size:12px}.office-option span{font-size:11px;color:#81919f}.report-form{display:grid;gap:14px;margin-top:12px}.report-form textarea{resize:vertical;min-height:120px}.report-warning{display:flex;gap:9px;background:#faf7ec;border:1px solid #eee7d8;padding:12px;color:#826e4a;line-height:1.6;font-size:11px;border-radius:8px}.report-warning .ico{width:18px;height:18px}.submit-report{width:100%;padding:14px}.detail-modal>#detailBody{font-size:13px;line-height:1.75;color:#546c7c;margin:14px 0}.detail-source{font-size:11px;color:#8d9ca6;margin:0 0 12px}.detail-caution{font-size:11px;color:#967d49;background:#fff9ed;border:1px solid #f2e7d3;border-radius:7px;padding:12px;line-height:1.65;margin-bottom:20px}
@media(max-width:1290px){.layout{grid-template-columns:192px minmax(0,740px) 262px;gap:16px;padding:19px 15px}.nav-item,.channel-nav{padding-left:10px}.right-card{padding:15px}.global-search{max-width:390px}.orbit-identity{padding-right:16px}}
@media(max-width:1090px){.layout{grid-template-columns:188px minmax(0,790px);max-width:1010px;gap:19px}.right-context{display:none}.global-search{max-width:440px}}
@media(max-width:800px){.layout{display:block;max-width:720px;padding:12px 13px 100px}.left-nav,.right-context{display:none}.topbar{height:60px;padding:0 13px;gap:8px}.logo{min-width:0}.logo-text{font-size:17px}.logo-text small{font-size:8px}.logo-symbol{width:32px;height:32px}.global-search{height:35px;min-width:0;max-width:none;flex:1;justify-content:center;padding:0 8px}.global-search span,.global-search kbd{display:none}.top-right{gap:6px}.demo-status,.top-compose{display:none!important}.lang-label select{padding:6px;font-size:10px;max-width:83px}.mobile-bottom{display:flex;align-items:center;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e2e7ec;padding:8px 5px max(8px,env(safe-area-inset-bottom));z-index:28;box-shadow:0 -4px 18px #122d430a}.mobile-bottom button{display:flex;flex-direction:column;align-items:center;gap:3px;border:0;background:transparent;color:#8d9bab;font-size:10px;min-width:54px;padding:5px 6px}.mobile-bottom button .ico{width:21px;height:21px}.mobile-bottom button.active{color:#325f87}.mobile-bottom .mobile-post .ico{width:32px;height:32px;color:#fff;background:#315b83;border-radius:11px;padding:7px}.mobile-bottom .mobile-post{margin-top:-12px;color:#315b83}.preview-banner{font-size:10px;margin-bottom:9px}.orbit-cover{height:69px}.orbit-identity{gap:10px;padding:0 13px 16px}.orbit-avatar.large{width:51px;height:51px;font-size:22px;border-width:3px;margin-top:-18px;border-radius:14px}.orbit-titleblock{padding-top:12px}.orbit-titleblock h1{font-size:22px}.orbit-titleblock p{font-size:11px}.breadcrumb{font-size:9px}.orbit-actions{flex-wrap:wrap;max-width:94px;gap:6px}.orbit-actions .button{width:100%;font-size:10px;padding:9px}.orbit-actions .button .ico{display:none}.mode-row{margin:12px 0}.mode-description{display:none}.quick-actions{margin-bottom:10px}.quick-tip{display:none}.welcome-strip{padding:13px 12px;margin-bottom:21px}.post{padding:14px}.post-title{font-size:16px}.post-description{font-size:12px}.briefing-strip{gap:6px}.briefing-item{padding:10px 6px}.briefing-item span{font-size:10px}.briefing-item .ico{width:16px}.feed-header h2{font-size:18px}.feed-options select{max-width:124px}.map-panel{grid-template-columns:1fr}.schematic-map{min-height:300px}.map-list{max-height:240px}.views{padding-bottom:10px}}
@media(max-width:420px){.layout{padding-left:9px;padding-right:9px}.logo-text{font-size:15px}.logo-text small{font-size:7px}.logo-symbol{width:30px;height:30px}.lang-label select{max-width:70px}.orbit-identity{flex-wrap:wrap}.orbit-avatar.large{width:46px;height:46px}.orbit-titleblock{flex:1 1 calc(100% - 65px)}.orbit-actions{max-width:none;flex-direction:row;flex:1 1 100%;padding:6px 0 0;justify-content:flex-start}.orbit-actions .button{width:auto;padding:9px 12px}.orbit-actions .button .ico{display:block}.briefing-strip{grid-template-columns:1fr}.briefing-item{padding:8px 11px}.post-source{flex:1 0 100%;text-align:right;padding:3px 0}.post-action{padding:7px 8px}.post-header{gap:6px}.post-meta strong{font-size:10px}.post-type{font-size:8px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* Browser QA refinement: show actual community content within first viewport. */
@media(min-width:801px){.orbit-cover{height:66px}.orbit-cover-caption{padding:20px 26px}.orbit-avatar.large{width:59px;height:59px;margin-top:-23px;font-size:24px}.orbit-identity{padding-bottom:15px}.welcome-strip{padding:12px 15px;margin-bottom:19px}.briefing-item{padding:9px}.briefing-item .ico{width:17px;height:17px}.mode-row{margin:10px 0}.quick-actions{margin-bottom:11px}}
@media(max-width:800px){.preview-banner{padding:7px 10px;font-size:9px;line-height:1.35}.orbit-cover{height:47px}.orbit-cover-caption{font-size:9px;padding:15px}.orbit-identity{padding-bottom:12px}.orbit-avatar.large{margin-top:-16px;width:43px;height:43px;font-size:18px}.orbit-titleblock{padding-top:7px}.orbit-titleblock h1{font-size:21px;margin:0 0 4px}.orbit-titleblock p{font-size:10px;line-height:1.4;margin:0 0 8px}.orbit-tags{gap:5px}.tag{font-size:9px;padding:4px 6px}.mode-row{margin:8px 0}.mode-tabs button{padding:7px 10px}.quick-actions{margin-bottom:8px}.composer-trigger{padding:8px 11px;min-height:46px}.composer-avatar{height:27px;width:27px;font-size:9px}.welcome-strip{padding:11px;margin-bottom:16px}.strip-top{margin-bottom:8px}.strip-top h2{font-size:13px;margin-top:3px}.strip-top button{font-size:10px}.briefing-strip{display:flex;gap:7px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin}.briefing-item{flex:0 0 190px;min-height:51px;scroll-snap-align:start;padding:8px 10px;gap:7px}.briefing-item span{font-size:10px}.feed-header h2{font-size:17px}.feed-header{margin-bottom:10px}.filters{margin-bottom:9px}.chip{padding:7px 10px}}
@media(max-width:420px){.orbit-actions{padding-top:3px}.orbit-actions .button{padding:7px 10px}.welcome-strip{margin-bottom:12px}.briefing-item{flex-basis:180px}}

/* Keep touch-scrolling, hide browser-native bars that crowd narrow screens. */
.briefing-strip,.filters{scrollbar-width:none}
.briefing-strip::-webkit-scrollbar,.filters::-webkit-scrollbar{display:none}

/* Human-scale reading comfort for the central community feed. */
.post-description{font-size:13px}.post-meta strong{font-size:12px}.post-meta small{font-size:11px}

/* World-directory affordance added without expanding the mobile bottom tab bar. */
.world-nav{text-decoration:none}.world-nav:hover{text-decoration:none}.header-world-link{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;background:#f1f5f8;border:1px solid #e1e9f0;border-radius:8px;color:#47718f;text-decoration:none;font-size:11px;font-weight:750}.header-world-link:hover{background:#e7f0f6}.header-world-link .ico{width:16px;height:16px}.breadcrumb a{color:#738b9b;text-decoration:none}.breadcrumb a:hover{text-decoration:underline}
@media(max-width:800px){.header-world-link{padding:7px;margin-left:0}.header-world-link span{display:none}.header-world-link .ico{width:19px;height:19px}}

.inside-cta{text-decoration:none;display:flex}.inside-cta:hover{background:#e9f3f8}

.private-experience-link{display:block;background:#eaf4f7;color:#366b89;border:1px solid #d3e5ed;border-radius:8px;padding:12px;text-decoration:none;font-size:12px;font-weight:760;margin-bottom:10px}

/* PUL-010 regression: many destinations must remain reachable on short desktops. */
@media(min-width:801px){
 .navigation-inner{overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#dae5ec transparent;padding-bottom:18px}
}