.platform-header{min-height:76px;padding:0 clamp(24px,4.5vw,72px);display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--paper);border-bottom:1px solid var(--line)}
.platform-wordmark{font-size:13px;font-weight:700;letter-spacing:.08em;white-space:nowrap}
.platform-wordmark span{color:var(--accent);margin-left:9px}
.platform-nav{display:flex;gap:30px;align-items:center}
.platform-nav a{font-size:12px;font-weight:600;color:var(--muted)}
.platform-nav a:hover,.platform-toc a:hover{color:var(--accent)}

.platform-hero{background:#DF0A08;color:#fff;padding:28px clamp(24px,4.5vw,72px) 30px}
.platform-hero-inner{max-width:1180px;margin:auto;display:flex;flex-direction:column}
.platform-hero .hero-topline{color:#fff;flex-wrap:wrap;gap:8px 20px}
.platform-hero-copy{max-width:990px;padding:48px 0 38px}
.platform-hero h1{font-size:clamp(58px,6.3vw,90px);font-weight:600;line-height:1.17;letter-spacing:-.08em;word-break:keep-all;margin:0 0 24px}
.platform-hero-subtitle{font-size:clamp(18px,2vw,26px);line-height:1.5;letter-spacing:-.04em;color:#fff;margin:0 0 18px;word-break:keep-all}
.platform-hero-lead{max-width:760px;font-size:16px;line-height:1.85;color:#fff;word-break:keep-all;margin:0}

.platform-summary{background:#F5F5F5;padding:100px 24px 105px;scroll-margin-top:24px}
.platform-intro-inner{max-width:780px;margin:auto}
.platform-summary h2{font-size:clamp(37px,4vw,53px);font-weight:600;letter-spacing:-.065em;line-height:1.35;word-break:keep-all;margin:0 0 28px}
.platform-summary p:last-child{font-size:18px;line-height:1.9;letter-spacing:-.025em;word-break:keep-all;margin:0}

.platform-reading{background:var(--white);padding:95px clamp(24px,4.5vw,72px) 0}
.platform-reading-header{max-width:1180px;margin:0 auto 72px}
.platform-reading-header h2{font-size:clamp(38px,4.2vw,58px);letter-spacing:-.07em;font-weight:600;margin:0 0 10px}
.platform-reading-header>p:last-child{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
.platform-toc{position:sticky;top:28px;align-self:start;scroll-margin-top:24px}
.platform-toc h2{border-top:2px solid var(--navy);padding-top:18px;margin:0 0 18px;font-size:13px;letter-spacing:.02em}
.platform-toc nav{display:flex;flex-direction:column;border-bottom:1px solid var(--line)}
.platform-toc a{display:grid;grid-template-columns:47px 1fr;gap:8px;padding:12px 0;border-top:1px solid var(--line);font-size:12px;line-height:1.5;color:var(--muted)}
.platform-toc a span:first-child{font-weight:700;color:var(--accent)}
.platform-reading .reading-layout{align-items:start}
.platform-reading .report-content{max-width:780px;scroll-margin-top:25px}
.platform-reading .report-chapter{scroll-margin-top:25px}
.platform-reading .references-section{border-top:1px solid var(--line);padding:65px 0 110px;scroll-margin-top:25px}
.platform-reading .references-section h2{font-size:clamp(34px,3.5vw,46px);letter-spacing:-.06em;font-weight:600;margin:0 0 38px}
.platform-reading .reference-list{border-top:2px solid var(--navy)}
.platform-reading .reference-list li{grid-template-columns:35px 1fr 20px}
.platform-reading .reference-list li:first-child{border-top:0}
.platform-reading .report-content>.report-infographic{margin:0}

.platform-series{background:#F5F5F5;padding:100px clamp(24px,4.5vw,72px) 120px;scroll-margin-top:24px}
.platform-series-inner{max-width:1180px;margin:auto}
.platform-series h2{font-size:clamp(38px,4vw,55px);font-weight:600;letter-spacing:-.07em;margin:0 0 15px}
.series-intro{font-size:15px;line-height:1.8;color:#696A6C;margin:0 0 48px;word-break:keep-all}
.series-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.series-card{min-height:240px;padding:27px 29px;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr auto auto;gap:0 12px;border:1px solid #B7B7B7;color:var(--ink)}
.series-card-number{font-size:14px;font-weight:700;color:var(--accent)}
.series-card-status{font-size:12px;font-weight:600;color:var(--muted)}
.series-card strong{grid-column:1/-1;align-self:end;font-size:clamp(22px,2.3vw,31px);line-height:1.35;letter-spacing:-.06em;word-break:keep-all}
.series-card-description{grid-column:1/-1;font-size:13px;line-height:1.6;word-break:keep-all;margin-top:9px}
.series-card-bottom{grid-column:1/-1;border-top:1px solid #888888;padding-top:15px;margin-top:23px;display:flex;justify-content:space-between;font-size:12px}
.series-card-published{background:var(--navy);border-color:var(--navy);color:#fff}
.series-card-published .series-card-number,.series-card-published .series-card-status{color:#D0D0D0}
.series-card-published:hover{background:#303030}
.series-card-planned{grid-template-rows:auto 1fr;cursor:default;background:transparent}
.series-card-planned .series-card-status{color:#696A6C}
.platform-footer{background:var(--navy);color:#fff;padding:35px clamp(24px,4.5vw,72px);display:flex;align-items:center;gap:32px;font-size:11px;line-height:1.5}
.platform-footer-credits{display:flex;flex:1;flex-wrap:wrap;gap:8px 20px}
.platform-footer a{margin-left:auto}
.platform-footer a:hover{color:#D0D0D0}

@media(max-width:1080px){.platform-reading .reading-layout{display:block;max-width:780px}.platform-reading-header{max-width:780px}.platform-toc{position:static;margin:0 0 50px}.platform-toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.platform-toc a{min-width:0}}
@media(max-width:700px){.platform-header{padding:16px 20px;flex-direction:column;align-items:flex-start;gap:12px}.platform-wordmark{font-size:12px}.platform-nav{width:100%;justify-content:space-between;gap:12px}.platform-nav a{font-size:11px}.platform-hero{padding:27px 20px 34px}.platform-hero-inner{min-height:0}.platform-hero-copy{padding:95px 0 85px}.platform-hero h1{font-size:clamp(47px,10vw,65px);margin-bottom:27px}.platform-hero-issue{font-size:9px}.platform-hero-subtitle{font-size:18px}.platform-hero-lead{font-size:14px}.platform-hero .hero-bottomline{gap:8px 20px;font-size:10px}.platform-summary{padding:75px 20px 82px}.platform-summary p:last-child{font-size:16px}.platform-reading{padding:75px 20px 0}.platform-reading-header{margin-bottom:50px}.platform-toc nav{gap:0 18px}.platform-toc a{grid-template-columns:40px 1fr;font-size:11px}.platform-reading .references-section{padding:52px 0 80px}.platform-reading .reference-list li{grid-template-columns:26px 1fr 16px}.platform-series{padding:80px 20px 90px}.series-grid{grid-template-columns:1fr}.series-card{min-height:205px}.series-card-planned{min-height:130px}.platform-footer{padding:30px 20px;flex-wrap:wrap;gap:10px 18px}.platform-footer a{margin-left:0}}
@media(max-width:390px){.platform-hero h1{font-size:45px}.platform-toc nav{grid-template-columns:1fr}.platform-toc a{grid-template-columns:55px 1fr;padding:9px 0}}
@media(max-width:700px){.platform-hero{padding:24px 20px 28px}.platform-hero .hero-topline span:last-child{display:inline}.platform-hero-copy{padding:58px 0 48px}.platform-hero h1{font-size:clamp(43px,10vw,56px);margin-bottom:22px}.platform-hero-subtitle{margin-bottom:17px}.platform-footer-credits{width:100%;flex:auto}}
@media(max-width:390px){.platform-hero h1{font-size:43px}}