:root{color-scheme:light;--bg:#fff;--surface:#fff;--surface-soft:#f4f4f4;--fg:#111;--muted:#555;--border:#d8d8d8;--accent:#111;--signal:#777;--signal-ink:#333;--success:#111;--shadow:0 18px 48px rgb(0 0 0 / .08);--font-display:var(--font-body);--font-body:"Noto Sans TC","Microsoft JhengHei","PingFang TC",system-ui,sans-serif;--font-mono:ui-monospace,"Cascadia Code",Consolas,monospace;--container:1320px;font-family:var(--font-body);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--bg);color:var(--fg)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
a,button,input,select{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:3px solid var(--fg);outline-offset:3px}
h1,h2,h3,p{overflow-wrap:anywhere}
.site-shell{width:min(100%,var(--container));margin-inline:auto;padding-inline:clamp(22px,5.1vw,72px)}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;z-index:60;top:8px;left:8px;padding:12px 16px;transform:translateY(-160%);border-radius:10px;background:var(--fg);color:var(--surface);transition:transform 180ms ease}
.skip-link:focus{transform:translateY(0)}
.scroll-progress{position:fixed;z-index:50;inset:0 auto auto 0;width:100%;height:3px;transform:scaleX(0);transform-origin:left;background:var(--fg);pointer-events:none}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:28px;height:78px;margin-inline:calc(-1 * clamp(22px,5.1vw,72px));padding-inline:clamp(22px,5.1vw,72px);border-bottom:1px solid transparent;background:color-mix(in oklch,var(--bg) 93%,transparent);backdrop-filter:blur(16px);transition:border-color 180ms ease,box-shadow 180ms ease}
.topbar.is-scrolled{border-color:var(--border);box-shadow:0 8px 24px rgb(0 0 0 / .05)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{display:flex;align-items:end;justify-content:center;gap:3px;width:34px;height:34px;padding:7px;border-radius:11px;background:var(--fg);transform:rotate(-6deg)}
.brand-mark span{width:4px;border-radius:3px;background:var(--bg)}
.brand-mark span:nth-child(1){height:11px}
.brand-mark span:nth-child(2){height:19px;background:var(--signal)}
.brand-mark span:nth-child(3){height:14px}
.brand-name{font-size:21px;font-weight:700;letter-spacing:-.04em}
.brand-name span{color:var(--fg)}
.top-nav{display:flex;align-items:center;gap:clamp(20px,3vw,38px);margin-left:auto}
.top-nav a,.footer nav a{min-height:44px;display:inline-flex;align-items:center;color:var(--muted);font-size:13px;font-weight:550;transition:color 160ms ease}
.top-nav a:hover,.footer nav a:hover{color:var(--fg);text-decoration:underline;text-underline-offset:5px}
.nav-action{min-height:44px;display:inline-flex;align-items:center;gap:10px;padding-inline:4px;color:var(--fg);font-size:13px;font-weight:650}
.nav-action span,.button-arrow,.quiet-link span{transition:transform 180ms ease}
.nav-action:hover span,.button:hover .button-arrow,.quiet-link:hover span{transform:translate(2px,-2px)}
.hero{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(340px,.94fr);align-items:center;gap:clamp(32px,5.8vw,78px);min-height:548px;padding-block:66px 70px}
.hero-copy{min-width:0}
.eyebrow,.section-index,.overline{display:flex;align-items:center;gap:10px;margin:0;color:var(--fg);font-size:12px;font-weight:650;letter-spacing:.03em}
.live-dot,.status-mark,.table-signal{display:inline-block;flex:none;width:8px;height:8px;border-radius:50%;background:var(--success)}
.hero h1{max-width:730px;margin:24px 0 20px;font-family:var(--font-display);font-size:clamp(48px,5.25vw,70px);font-weight:600;line-height:1.34;letter-spacing:0;text-wrap:balance}
.hero h1 em{color:var(--accent);font-style:normal}
.hero-description{max-width:52ch;margin:0;color:var(--muted);font-size:17px;line-height:1.8}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:29px}
.button{min-height:48px;display:inline-flex;align-items:center;justify-content:space-between;gap:24px;padding:10px 18px;border:1px solid transparent;border-radius:14px;font-size:14px;font-weight:650;letter-spacing:.02em;transition:transform 180ms ease,background 180ms ease,border-color 180ms ease}
.button:active,.refresh-button:active,.nav-action:active{transform:translateY(1px)}
.button-primary{background:var(--fg);color:var(--surface)}
.button-primary:hover{transform:translateY(-2px);background:#222}
.text-link,.quiet-link{min-height:44px;display:inline-flex;align-items:center;gap:9px;color:var(--fg);font-size:13px;font-weight:600}
.text-link{padding-block:5px;border-bottom:1px solid var(--border)}
.text-link:hover,.quiet-link:hover{border-color:var(--fg)}
.text-link span{transition:transform 180ms ease}
.text-link:hover span{transform:translateX(3px)}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:25px;color:var(--muted);font-size:11px;line-height:1.6}
.meta-slash{color:var(--signal-ink)}
.hero-panel{position:relative;min-width:0;display:flex;flex-direction:column;min-height:408px;padding:clamp(22px,3vw,34px);overflow:hidden;border:1px solid var(--border);border-radius:26px;background:var(--surface)}
.hero-panel:before{position:absolute;top:0;right:34px;width:54px;height:4px;background:var(--signal);content:""}
.hero-panel-top,.hero-panel-bottom{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px}
.hero-panel-top{color:var(--muted);font-size:12px;font-weight:600}
.panel-caption{color:var(--muted);font-family:var(--font-mono);font-size:10px;letter-spacing:.08em}
.decision-list{display:grid;margin-block:20px 16px;border-top:1px solid var(--border)}
.decision-item{min-height:54px;display:grid;grid-template-columns:68px minmax(0,1fr) minmax(110px,auto);align-items:center;gap:12px;border-bottom:1px solid var(--border)}
.decision-item>span:first-child{color:var(--muted);font-size:11px}
.decision-item strong{color:var(--fg);font-size:15px;font-weight:650}
.decision-detail{color:var(--muted);font-size:11px;text-align:right}
.hero-panel-bottom{justify-content:flex-start;gap:11px;margin-top:auto;color:var(--muted);font-size:12px}
.hero-panel-bottom strong{color:var(--fg);font-family:var(--font-display);font-size:44px;font-variant-numeric:tabular-nums;line-height:1}
.source-strip{padding-block:26px 32px;border-block:1px solid var(--border)}
.source-strip-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:16px}
.source-strip-caption{color:var(--muted);font-size:13px}
.provider-status-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.provider-status{min-width:0;display:grid;grid-template-columns:8px minmax(0,1fr) auto;align-items:start;gap:10px;padding:14px 15px 12px;border-left:1px solid var(--border)}
.provider-status:first-child{padding-left:0;border-left:0}
.provider-status:last-child{padding-right:0}
.provider-status .status-mark{margin-top:5px}
.provider-status.auth-required .status-mark,.provider-status.error .status-mark{background:var(--signal-ink)}
.provider-status.partial .status-mark{background:var(--signal)}
.provider-status.loading-status .status-mark{background:var(--muted)}
.provider-status-main{min-width:0;display:flex;flex-direction:column;gap:5px}
.provider-name{font-size:13px;font-weight:650}
.provider-detail{color:var(--muted);font-size:10px;line-height:1.5;overflow-wrap:anywhere}
.status-count{color:var(--muted);font-family:var(--font-mono);font-size:10px;font-variant-numeric:tabular-nums}
.status-copy{color:var(--muted);font-size:12px}
.comparison{padding-block:78px 88px;scroll-margin-top:86px}
.comparison-heading,.guides-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.comparison-heading h2,.guides-heading h2,.source-notes h2,.article-related h2{margin:11px 0 0;font-family:var(--font-display);font-size:clamp(30px,3vw,42px);font-weight:600;line-height:1.35;letter-spacing:0;text-wrap:balance}
.section-intro{max-width:60ch;margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.75}
.result-summary{display:flex;align-items:baseline;gap:8px;padding-bottom:6px;color:var(--muted);font-size:12px;white-space:nowrap}
.result-summary strong{color:var(--fg);font-family:var(--font-mono);font-size:27px;font-weight:600;font-variant-numeric:tabular-nums}
.comparison-layout{display:grid;grid-template-columns:238px minmax(0,1fr);align-items:start;gap:18px}
.filters,.results-area{min-width:0;border:1px solid var(--border);border-radius:22px;background:var(--surface)}
.filters{position:sticky;top:96px;padding:19px}
.filter-topline{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--border);font-size:14px;font-weight:650}
.filter-topline button{min-height:44px;padding:4px 0;border:0;background:transparent;color:var(--fg);font-size:11px;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.field-label,.filter-group legend{display:block;margin:19px 0 8px;font-size:12px;font-weight:600}
.filter-group{min-width:0;margin:0;padding:0;border:0}
.search-wrap{position:relative}
.search-wrap svg{position:absolute;top:14px;left:13px;width:16px;height:16px;fill:none;stroke:var(--muted);stroke-width:1.6;pointer-events:none}
.search-wrap input,.filters select{width:100%;min-height:44px;border:1px solid var(--muted);border-radius:10px;background:var(--surface);font-size:12px}
.search-wrap input{padding:0 12px 0 39px}
.search-wrap input::placeholder{color:var(--muted);opacity:1}
.filters select{padding:0 11px}
.provider-filter legend{margin-top:20px}
.provider-options{display:grid;gap:2px}
.provider-option{min-height:44px;display:flex;align-items:center;gap:8px;color:var(--fg);font-size:12px;cursor:pointer}
.provider-option input{width:17px;height:17px;margin:0;accent-color:var(--fg)}
.provider-option-count{margin-left:auto;color:var(--muted);font-family:var(--font-mono);font-size:10px}
.range-group legend{margin-bottom:0}
.range-group .field-label{margin-top:13px}
.sort-label{margin-top:19px}
.refresh-button{min-height:44px;width:100%;display:flex;align-items:center;justify-content:center;gap:9px;margin-top:20px;border:1px solid var(--fg);border-radius:12px;background:var(--fg);color:var(--surface);font-size:12px;font-weight:650;transition:transform 180ms ease,background 180ms ease}
.refresh-button:hover{transform:translateY(-1px);background:#222}
.refresh-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.refresh-button[disabled]{cursor:wait;opacity:.72}
.refresh-button[disabled] svg{animation:rotate 900ms linear infinite}
@keyframes rotate{to{transform:rotate(360deg)}
}
.filter-note{margin:18px 0 0;padding-top:14px;border-top:1px solid var(--border);color:var(--muted);font-size:10px;line-height:1.7}
.muted-text{color:var(--muted);font-size:11px}
.results-area{overflow:hidden}
.table-toolbar{min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-inline:17px;border-bottom:1px solid var(--border)}
.table-context{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:650}
.table-signal{width:7px;height:7px}
.table-updated{color:var(--muted);font-size:10px}
.table-swipe-hint{display:none}
.table-scroll{width:100%;max-height:640px;overflow:auto;scrollbar-color:var(--muted) transparent}
table{width:100%;min-width:820px;border-collapse:separate;border-spacing:0;text-align:left}
thead{position:sticky;z-index:2;top:0;background:var(--surface-soft)}
th{padding:13px 11px;color:var(--muted);font-size:10px;font-weight:650;white-space:nowrap}
th:first-child,td:first-child{padding-left:17px}
th:last-child,td:last-child{padding-right:15px}
tbody tr{transition:background 150ms ease}
tbody tr+tr td{border-top:1px solid var(--border)}
tbody tr:not(.loading-row):hover{background:var(--surface-soft)}
td{padding:13px 11px;color:var(--muted);font-size:11px;white-space:nowrap}
.plan-cell{min-width:170px;display:flex;align-items:center;gap:10px}
.provider-icon{width:34px;height:34px;display:grid;flex:none;place-items:center;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft);color:var(--fg);font-family:var(--font-mono);font-size:9px;font-weight:650}
.plan-name-wrap{min-width:0;display:flex;flex-direction:column;gap:3px}
.plan-provider{color:var(--muted);font-size:9px}
.plan-name{max-width:190px;overflow:hidden;color:var(--fg);font-size:11px;font-weight:650;text-overflow:ellipsis}
.spec-primary{color:var(--fg);font-size:11px;font-weight:550}
.spec-secondary{margin-left:3px;color:var(--muted);font-size:9px}
.family-region{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.family-pill{max-width:150px;overflow:hidden;padding:3px 7px;border:1px solid var(--border);border-radius:7px;color:var(--fg);font-size:9px;text-overflow:ellipsis}
.family-pill.unavailable{border-color:var(--signal-ink);background:#f4f4f4;color:var(--signal-ink)}
.region-text{max-width:165px;overflow:hidden;color:var(--muted);font-size:9px;text-overflow:ellipsis}
.price-cell{color:var(--fg);font-family:var(--font-mono);font-size:12px;font-weight:650;font-variant-numeric:tabular-nums}
.price-cell small{color:var(--muted);font-family:var(--font-body);font-size:9px;font-weight:450}
.price-context{display:block;max-width:135px;margin-top:4px;color:var(--signal-ink);font-family:var(--font-body);font-size:9px;font-weight:550;white-space:normal}
.provider-link{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--muted);border-radius:50%;color:var(--fg);font-size:15px;transition:color 160ms ease,background 160ms ease,transform 160ms ease}
.provider-link:hover{transform:translate(1px,-1px);background:var(--fg);color:var(--surface)}
.loading-row td,.state-cell{padding:28px 18px!important;text-align:center;white-space:normal}
.row-loader{width:14px;height:14px;display:inline-block;margin-right:8px;border:2px solid var(--border);border-top-color:var(--fg);border-radius:50%;vertical-align:-2px;animation:rotate 900ms linear infinite}
.state-panel{max-width:430px;display:grid;justify-items:center;gap:7px;margin-inline:auto}
.state-panel strong{color:var(--fg);font-size:14px;font-weight:650}
.state-panel p{max-width:52ch;margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.state-panel button{min-height:44px;margin-top:4px;padding:4px 5px;border:0;background:none;color:var(--fg);font-size:12px;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.table-footer{display:flex;justify-content:space-between;gap:14px;padding:13px 17px;border-top:1px solid var(--border);color:var(--muted);font-size:10px;line-height:1.55}
.mobile-plans{display:none}
.toast{position:fixed;z-index:40;right:18px;bottom:18px;max-width:min(430px,calc(100vw - 36px));padding:13px 16px;border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:var(--shadow);color:var(--fg);font-size:12px;line-height:1.6;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity 180ms ease,transform 180ms ease}
.toast.visible{opacity:1;transform:translateY(0)}
.back-to-top{position:fixed;z-index:20;right:18px;bottom:18px;width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--fg);border-radius:50%;background:var(--fg);color:var(--surface);font-size:19px;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity 180ms ease,transform 180ms ease,background 180ms ease}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-2px);background:#222}
body:has(.toast.visible) .back-to-top{bottom:76px}
.guides-preview,.guide-index{padding-block:70px 82px;border-top:1px solid var(--border)}
.guides-preview .guide-grid,.guide-index .guide-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);grid-template-rows:repeat(2,minmax(178px,auto));gap:13px}
.guide-card{min-width:0;display:flex;flex-direction:column;justify-content:space-between;gap:20px;padding:clamp(19px,2.3vw,27px);border:1px solid var(--border);border-radius:20px;background:var(--surface);transition:transform 180ms ease,border-color 180ms ease,background 180ms ease}
.guide-card:hover{transform:translateY(-3px);border-color:var(--muted);background:var(--surface-soft)}
.guide-card:active{transform:translateY(-1px)}
.guide-card-feature{grid-row:span 2;background:var(--surface-soft)}
.guide-card-top,.guide-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;font-weight:600}
.guide-card-top>span:last-child{color:var(--muted);font-size:16px}
.guide-category{color:var(--fg)}
.guide-card-body{display:flex;flex-direction:column;gap:10px}
.guide-card-body strong{max-width:22ch;font-family:var(--font-display);font-size:clamp(20px,2vw,27px);font-weight:600;line-height:1.38}
.guide-card-body>span{max-width:45ch;color:var(--muted);font-size:12px;line-height:1.7}
.guide-card-bottom{min-height:34px;padding-top:11px;border-top:1px solid var(--border);color:var(--fg)}
.guide-card-bottom span{transition:transform 180ms ease}
.guide-card:hover .guide-card-bottom span{transform:translateX(3px)}
.guides-heading{margin-bottom:24px}
.source-notes{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,6vw,78px);padding-block:58px 68px;border-top:1px solid var(--border)}
.source-notes h2{max-width:460px}
.source-notes-body p{max-width:62ch;margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.source-links{display:flex;flex-wrap:wrap;gap:6px 19px;margin-top:20px}
.source-links a{min-height:44px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid var(--border);font-size:11px;font-weight:550}
.source-links a:hover{border-color:var(--fg)}
.source-links a span{color:var(--signal-ink)}
.footer{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--border)}
.footer>span,.footer>p{margin:0;color:var(--muted);font-size:11px}
.footer-brand .brand-mark{width:28px;height:28px;padding:5px;border-radius:9px}
.footer-brand .brand-name{font-size:18px}
.footer nav{display:flex;gap:18px}
.footer nav a{min-height:44px;font-size:11px}
.guide-index-hero{max-width:850px;padding-block:82px 47px}
.guide-index-hero h1{margin:18px 0;font-family:var(--font-display);font-size:clamp(42px,5vw,66px);font-weight:600;line-height:1.36;letter-spacing:0;text-wrap:balance}
.guide-index-hero p:last-child{max-width:60ch;color:var(--muted);font-size:16px;line-height:1.8}
.guide-index{padding-top:12px;border-top:0}
.guide-index .guide-card-feature{min-height:390px}
.guide-index .guide-card-feature .guide-card-body strong{font-size:clamp(28px,3vw,40px)}
.guide-next-step{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:32px;padding-block:52px 70px;border-top:1px solid var(--border)}
.guide-next-step h2{margin:10px 0 0;font-family:var(--font-display);font-size:32px;font-weight:600;line-height:1.35}
.guide-next-step p{max-width:58ch;margin:0 0 16px;color:var(--muted);font-size:14px;line-height:1.8}
.article-header{padding-block:38px 48px;border-bottom:1px solid var(--border)}
.site-update{position:fixed;z-index:80;bottom:20px;left:20px;display:flex;align-items:center;gap:16px;max-width:calc(100vw - 40px);padding:12px 13px 12px 18px;border:1px solid var(--border);border-radius:14px;background:#fff;box-shadow:0 12px 35px rgba(0,0,0,.12);font-size:13px;font-weight:700}
.site-update button{padding:9px 13px;border:0;border-radius:9px;background:#171717;color:#fff;font:inherit;cursor:pointer}
.site-update button:hover{background:#444}
.site-update button:focus-visible{outline:3px solid #171717;outline-offset:3px}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:0 9px;color:var(--muted);font-size:11px}
.breadcrumbs a{min-height:44px;display:inline-flex;align-items:center}
.breadcrumbs a:hover{color:var(--fg);text-decoration:underline;text-underline-offset:3px}
.article-lead-grid{display:grid;grid-template-columns:minmax(0,730px) minmax(240px,1fr);align-items:center;gap:clamp(38px,6vw,90px);padding-top:22px}
.article-header .section-index{margin:0}
.article-header h1{max-width:760px;margin:15px 0 17px;font-family:var(--font-display);font-size:clamp(38px,3.6vw,48px);font-weight:600;line-height:1.32;letter-spacing:0;text-wrap:balance}
.article-deck{max-width:68ch;margin:0;color:var(--muted);font-size:16px;line-height:1.8}
.article-outcome{max-width:680px;margin-top:25px;padding:20px 22px 18px;border:1px solid var(--border);border-radius:17px;background:var(--surface-soft)}
.article-outcome-label{margin:0 0 9px;font-size:11px;font-weight:750;letter-spacing:.06em}
.article-outcome-result{margin:0;font-family:var(--font-display);font-size:clamp(18px,2vw,23px);font-weight:650;line-height:1.55}
.article-outcome-prep{margin:11px 0 0;color:var(--muted);font-size:13px;line-height:1.7}
.article-outcome-prep strong{color:var(--fg);font-weight:700}
.article-outcome a{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:10px;border-bottom:1px solid var(--fg);font-size:12px;font-weight:750}
.article-outcome a:hover{gap:13px}
.article-outcome a:focus-visible{outline:3px solid var(--fg);outline-offset:3px}
.article-meta{display:flex;align-items:center;gap:12px;margin-top:19px;color:var(--muted);font-size:11px}
.article-roadmap{min-width:0;margin:0;padding:22px 24px;border:1px solid var(--border);border-radius:17px;background:var(--surface-soft)}
.article-roadmap figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border);font-size:12px;font-weight:650}
.article-roadmap figcaption span:last-child,.article-roadmap-foot{color:var(--muted);font-size:11px;font-weight:500}
.article-roadmap ol{margin:10px 0;padding:0;list-style:none}
.article-roadmap li{position:relative;display:flex;align-items:center;gap:12px;min-height:44px;padding:7px 0}
.article-roadmap li+li:before{position:absolute;top:-7px;left:13px;height:14px;border-left:1px solid var(--border);content:""}
.article-roadmap-number{z-index:1;width:27px;height:27px;display:grid;place-items:center;flex:none;border:1px solid var(--border);border-radius:50%;background:var(--surface-soft);font-family:var(--font-mono);font-size:10px;font-weight:650}
.article-roadmap-label{font-size:13px;font-weight:600;line-height:1.45}
.article-roadmap-foot{display:block;padding-top:13px;border-top:1px solid var(--border)}
.article-layout{display:grid;grid-template-columns:minmax(0,730px) minmax(215px,1fr);gap:clamp(38px,6vw,90px);padding-block:48px 72px}
.article-body{min-width:0;color:var(--fg);font-size:15px;line-height:1.9}
.article-body section{scroll-margin-top:98px}
.article-body h2[id],.article-body h3[id]{scroll-margin-top:96px}
.article-body h2{display:flex;align-items:flex-start;gap:12px;margin:44px 0 13px;font-family:var(--font-display);font-size:27px;font-weight:600;line-height:1.4;letter-spacing:0}
.article-body h2:first-child{margin-top:0}
.article-section-number{width:34px;height:34px;display:grid;place-items:center;flex:none;margin-top:1px;border:1px solid var(--border);border-radius:50%;color:var(--muted);font-family:var(--font-mono);font-size:10px;font-weight:600;line-height:1}
.article-body h3{margin:28px 0 9px;font-size:18px;font-weight:650;line-height:1.55}
.article-body p{max-width:69ch;margin:0 0 18px;color:var(--fg)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:1.35em}
.article-body li{margin-bottom:8px;padding-left:.2em}
.article-body a{color:var(--fg);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body strong{font-weight:700}
.article-callout{margin:26px 0;padding:18px 21px;border:1px solid var(--border);border-radius:14px;background:var(--surface-soft)}
.article-callout p:last-child{margin-bottom:0}
.article-visual{max-width:100%;margin:27px 0 33px}
.article-visual-image{display:block;overflow:hidden;border:1px solid var(--border);border-radius:17px;background:var(--surface-soft);line-height:0;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.article-visual-image:hover{border-color:#999;transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.07)}
.article-visual-image:focus-visible{outline:3px solid var(--fg);outline-offset:3px}
.article-visual picture{display:block}
.article-visual img{display:block;width:100%;height:auto;max-height:520px;object-fit:contain}
.article-visual figcaption{padding:11px 2px 0;color:var(--muted);font-size:12px;line-height:1.65}
.article-visual figcaption a{font-weight:650}
.article-visual-hint{font-weight:650;color:var(--fg)}
.article-visual .article-visual-notes{margin:12px 0 0;padding:14px 17px 14px 38px;border:1px solid var(--border);border-radius:13px;background:var(--surface-soft);font-size:13px;line-height:1.7}
.article-visual-notes li{padding-left:3px}
.article-visual-notes li:last-child{margin-bottom:0}
.article-video{margin:29px 0 35px}
.article-video-frame{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--border);border-radius:17px;background:#171717;color:#fff;line-height:0}
.article-video-frame:focus-visible{outline:3px solid var(--fg);outline-offset:3px}
.article-video-frame img{display:block;width:100%;height:100%;object-fit:cover;opacity:.8;transition:transform .25s ease,opacity .25s ease}
.article-video-frame:hover img{transform:scale(1.025);opacity:.95}
.article-video-play{position:absolute;top:50%;left:50%;width:66px;height:66px;display:grid;place-items:center;padding-left:3px;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:rgba(0,0,0,.72);font-size:23px;line-height:1;transform:translate(-50%,-50%)}
.article-video-action{position:absolute;right:0;bottom:0;left:0;padding:15px 20px;background:linear-gradient(transparent,rgba(0,0,0,.88));font-size:14px;font-weight:750;line-height:1.4}
.article-video figcaption{padding:11px 2px 0;color:var(--muted);font-size:12px;line-height:1.65}
.article-video figcaption a{font-weight:650}
@media(max-width:620px){.article-visual,.article-video{margin:23px 0 28px}.article-visual-image,.article-video-frame{border-radius:14px}.article-visual img{max-height:none}.article-visual-image--screenshot img{max-height:390px;object-position:top}.article-visual figcaption,.article-video figcaption{font-size:11px}}
.article-body .comparison-table{width:100%;min-width:0;margin:22px 0;border:1px solid var(--border);border-radius:12px;overflow:hidden;border-collapse:separate;border-spacing:0}
.comparison-table th,.comparison-table td{padding:12px 13px;white-space:normal;vertical-align:top;font-size:12px}
.comparison-table td+td,.comparison-table th+th{border-left:1px solid var(--border)}
.article-aside{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow-y:auto;border:1px solid var(--border);border-radius:16px;background:var(--surface-soft);scrollbar-width:thin}
.article-toc-details>summary{min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 17px;cursor:pointer;list-style:none;font-size:13px;font-weight:700}
.article-toc-details>summary::-webkit-details-marker{display:none}
.article-toc-details[open]>summary{border-bottom:1px solid var(--border)}
.article-toc-count{color:var(--muted);font-family:var(--font-mono);font-size:10px;font-weight:500}
.article-toc-content{padding:16px 17px 17px}
.article-aside nav{display:block}
.article-toc-list,.article-toc-sublist{margin:0;padding:0;list-style:none}
.article-toc-list>li+li{margin-top:2px}
.article-aside nav a{min-height:42px;display:grid;grid-template-columns:25px minmax(0,1fr);align-items:center;gap:8px;padding-block:6px;border-bottom:1px solid var(--border);color:var(--muted);font-size:12px;line-height:1.5}
.article-toc-number{font-family:var(--font-mono);font-size:10px;font-variant-numeric:tabular-nums}
.article-toc-sublist{margin-left:31px;padding-left:11px;border-left:1px solid var(--border)}
.article-aside nav .article-toc-sublist a{min-height:38px;display:flex;padding-block:5px;border-bottom:0;font-size:11px}
.article-aside nav a:hover,.article-aside nav a.is-current{color:var(--fg)}
.article-aside nav a.is-current{border-color:var(--accent);font-weight:650}
.article-aside .button{width:100%;min-height:44px;margin-top:17px;padding:9px 13px;font-size:11px}
.reading-progress-meta{display:flex;justify-content:space-between;gap:10px;margin:0 0 7px;color:var(--muted);font-size:10px}
.reading-progress-meta span:last-child{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.reading-progress-track{width:100%;height:5px;margin-bottom:20px;overflow:hidden;border-radius:5px;background:var(--border)}
.reading-progress-fill{width:100%;height:100%;transform:scaleX(0);transform-origin:left;background:var(--fg)}
.article-related{padding-block:52px 78px;border-top:1px solid var(--border)}
.article-related h2{margin-bottom:22px;font-size:32px}
.article-related .guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.article-related .guide-card{min-height:220px}
.article-related .guide-card-feature{grid-row:auto}
@media(max-width:1120px){.site-shell{padding-inline:34px}
.topbar{margin-inline:-34px;padding-inline:34px}
.hero{grid-template-columns:minmax(0,1fr) minmax(310px,.92fr);gap:30px}
.provider-status-grid{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:6px}
.provider-status:nth-child(4){padding-left:0;border-left:0}
.comparison-layout{grid-template-columns:220px minmax(0,1fr)}
}
@media(max-width:900px){.topbar{height:70px}
.hero{grid-template-columns:minmax(0,1fr) minmax(270px,.82fr);gap:24px;min-height:0;padding-block:55px}
.hero h1{font-size:clamp(42px,6vw,58px)}
.hero-panel{min-height:376px}
.comparison-layout{grid-template-columns:1fr}
.filters{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.filter-topline,.filters>.field-label:first-of-type,.search-wrap,.provider-filter,.filter-note,.refresh-button{grid-column:1/-1}
.provider-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 12px}
.range-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}
.range-group legend{grid-column:1/-1}
.range-group .field-label:nth-of-type(1),.range-group select:nth-of-type(1){grid-column:1}
.range-group .field-label:nth-of-type(2),.range-group select:nth-of-type(2){grid-column:2}
.range-group .field-label{grid-row:2}
.range-group select{grid-row:3}
.sort-label{align-self:end}
.filters>#sort-select{align-self:end}
.table-scroll,.table-swipe-hint{display:none}
.mobile-plans{display:grid;gap:10px;padding:12px}
.mobile-plan-card{min-width:0;padding:17px;border:1px solid var(--border);border-radius:16px;background:var(--bg)}
.mobile-plan-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.mobile-plan-ident{min-width:0}
.mobile-plan-provider{display:block;margin-bottom:4px;color:var(--muted);font-size:10px}
.mobile-plan-name{display:block;color:var(--fg);font-size:14px;font-weight:650;line-height:1.5;overflow-wrap:anywhere}
.mobile-plan-family{display:flex;flex-wrap:wrap;gap:6px 9px;margin-top:8px;color:var(--muted);font-size:10px;line-height:1.5}
.mobile-plan-price{flex:none;color:var(--fg);font-family:var(--font-mono);font-size:13px;font-weight:650;text-align:right;font-variant-numeric:tabular-nums}
.mobile-plan-price small{display:block;margin-top:2px;color:var(--muted);font-family:var(--font-body);font-size:9px;font-weight:450}
.mobile-plan-price .price-context{max-width:120px;color:var(--signal-ink)}
.mobile-plan-specs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:15px;border-top:1px solid var(--border)}
.mobile-plan-specs>div{min-width:0;padding:11px 7px 0 0}
.mobile-plan-specs dt{color:var(--muted);font-size:9px}
.mobile-plan-specs dd{margin:4px 0 0;color:var(--fg);font-size:11px;font-weight:600;overflow-wrap:anywhere}
.mobile-plan-footer{display:flex;justify-content:flex-end;margin-top:12px}
.mobile-plan-footer a{min-height:44px;display:inline-flex;align-items:center;gap:8px;color:var(--fg);font-size:11px;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.mobile-empty{padding:25px 16px;text-align:center}
.mobile-empty strong{font-size:13px}
.mobile-empty p{margin:7px 0;color:var(--muted);font-size:11px;line-height:1.65}
.guide-next-step{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
.article-lead-grid{grid-template-columns:minmax(0,1fr) 220px;gap:28px}
.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:28px}
.article-related .guide-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){html{scroll-padding-top:74px}
.site-shell{padding-inline:18px}
.topbar{height:64px;margin-inline:-18px;padding-inline:18px;gap:10px}
.brand-mark{width:30px;height:30px}
.brand-name{font-size:18px}
.top-nav{gap:13px}
.top-nav a{min-height:44px;font-size:11px}
.top-nav a[href="#sources"],.nav-action{display:none}
.hero{display:block;padding-block:45px 40px}
.hero h1{margin-block:19px 13px;font-size:clamp(36px,10vw,55px)}
.hero-description{font-size:15px}
.hero-actions{gap:15px;margin-top:22px}
.button{min-height:46px;gap:16px;padding-inline:15px}
.text-link{max-width:100%;font-size:11px}
.hero-meta{gap:6px 8px;margin-top:19px;font-size:10px}
.hero-panel{min-height:0;margin-top:30px;padding:21px;border-radius:19px}
.decision-list{margin-block:14px}
.decision-item{min-height:50px;grid-template-columns:56px minmax(0,1fr) minmax(88px,auto);gap:8px}
.decision-detail{max-width:120px;font-size:9px}
.hero-panel-bottom strong{font-size:38px}
.source-strip{padding-block:21px 25px}
.source-strip-caption{font-size:11px}
.provider-status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.provider-status{padding:12px 9px;gap:7px}
.provider-status:nth-child(3),.provider-status:nth-child(5){padding-left:0;border-left:0}
.provider-status:nth-child(4){padding-left:9px;border-left:1px solid var(--border)}
.provider-name{font-size:11px}
.provider-detail,.status-count{font-size:9px}
.comparison{padding-block:56px 60px}
.comparison-heading,.guides-heading{align-items:flex-start;flex-direction:column;gap:12px}
.comparison-heading h2,.guides-heading h2,.source-notes h2{font-size:32px}
.result-summary{padding-bottom:0}
.result-summary strong{font-size:24px}
.filters{padding:16px;border-radius:17px}
.provider-options{grid-template-columns:repeat(2,minmax(0,1fr))}
.results-area{border-radius:17px}
.table-toolbar{padding-inline:13px}
.table-updated{font-size:9px}
.table-footer{flex-direction:column;gap:5px;padding:12px 14px}
.mobile-plans{padding:9px}
.mobile-plan-card{padding:14px}
.mobile-plan-specs{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:7px}
.guides-preview,.guide-index{padding-block:52px 62px}
.guides-preview .guide-grid,.guide-index .guide-grid{grid-template-columns:1fr;grid-template-rows:auto;gap:10px}
.guide-card,.guide-index .guide-card-feature{min-height:215px;grid-column:auto;grid-row:auto}
.guide-index .guide-card-feature .guide-card-body strong{font-size:28px}
.source-notes,.guide-next-step{grid-template-columns:1fr;gap:15px;padding-block:45px 50px}
.source-links{gap:3px 15px}
.footer{align-items:flex-start;flex-direction:column;gap:6px;padding-block:23px}
.footer nav{gap:12px}
.guide-index-hero{padding-block:53px 31px}
.guide-index-hero h1{font-size:42px}
.guide-index-hero p:last-child{font-size:14px}
.guide-index{padding-top:6px}
.guide-index .guide-card-feature{min-height:245px}
.article-header{padding-block:27px 36px}
.article-lead-grid{grid-template-columns:1fr;gap:0;padding-top:18px}
.article-header h1{font-size:clamp(36px,9vw,48px)}
.article-deck{font-size:14px}
.article-roadmap{margin-top:22px;padding:17px 18px;border-radius:14px}
.article-roadmap ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}
.article-roadmap li{min-width:0;gap:8px;padding:10px 0;border-top:1px solid var(--border)}
.article-roadmap li+li:before{display:none}
.article-roadmap-label{font-size:12px}
.article-layout{display:flex;flex-direction:column;gap:23px;padding-block:26px 50px}
.article-aside{position:static;z-index:auto;align-self:stretch;width:100%;max-height:none;overflow:visible;border-radius:14px;background:var(--surface-soft)}
.article-toc-details>summary{min-height:48px;padding:10px 14px}
.article-toc-content{padding:12px 14px 14px}
.reading-progress-meta{margin-bottom:5px;font-size:9px}
.reading-progress-track{height:4px;margin-bottom:7px}
.article-aside nav{max-height:230px;overflow:auto}
.article-aside nav a{min-height:44px;font-size:12px}
.article-aside .button{width:auto;min-height:40px;margin-top:8px}
.article-body{font-size:14px;line-height:1.85}
.article-body h2[id],.article-body h3[id]{scroll-margin-top:78px}
.article-body h2{gap:9px;margin-top:34px;font-size:23px}
.article-section-number{width:30px;height:30px;margin-top:0}
.article-body h3{font-size:17px}
.article-callout{padding:15px}
.article-related{padding-block:42px 58px}
.article-related h2{font-size:28px}
.article-related .guide-grid{grid-template-columns:1fr}
}
@media(max-width:370px){.site-shell{padding-inline:14px}
.topbar{margin-inline:-14px;padding-inline:14px}
.brand{gap:7px}
.brand-name{font-size:16px}
.top-nav{gap:8px}
.top-nav a{font-size:10px}
.decision-item{grid-template-columns:48px minmax(0,1fr) 88px}
.decision-item strong{font-size:13px}
.provider-status-grid{grid-template-columns:1fr 1fr}
.provider-status{grid-template-columns:8px minmax(0,1fr)}
.status-count{display:none}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
.scroll-progress{display:none}
}
.load-message{padding:12px 17px;border-top:1px solid var(--border);color:var(--muted);font-size:11px;line-height:1.6}
.load-message[hidden]{display:none}
.load-message button{min-height:44px;padding:2px 5px;border:0;background:transparent;color:var(--fg);font-size:11px;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.top-nav a[aria-current=page]{color:var(--fg);text-decoration:underline;text-underline-offset:5px}

/* Monochrome refresh: crisp black, white and neutral gray with a stronger sans-serif voice. */
body{font-weight:500}
h1,h2,h3,.hero h1,.comparison-heading h2,.guides-heading h2,.source-notes h2,.article-related h2,.guide-card-body strong,.guide-index-hero h1,.guide-next-step h2,.article-header h1,.article-body h2,.article-body h3{font-family:var(--font-body);font-weight:700}
.top-nav a,.footer nav a,.nav-action,.text-link,.quiet-link,.source-links a,.provider-option,.table-context,.plan-name,.spec-primary,.decision-item strong,.provider-name,.mobile-plan-name,.article-aside>strong,.article-aside nav a{font-weight:600}
td,.price-cell small,.mobile-plan-price small{font-weight:500}
.back-to-top.is-obscured{opacity:0;pointer-events:none}

/* Final polish: readable data, calm hierarchy, and controls that stay usable on phones. */
.hero-meta,.decision-item>span:first-child,.decision-detail,.hero-panel-bottom,.provider-detail,.status-count,.filter-note,.table-updated,.table-footer,.load-message{font-size:12px}
.panel-caption,.provider-option-count,.plan-provider,.spec-secondary,.family-pill,.region-text,.price-cell small,.price-context{font-size:11px}
.field-label,.filter-group legend,.provider-option,.filter-topline button,.search-wrap input,.filters select,.refresh-button,.table-context,.state-panel p,.state-panel button,.load-message button{font-size:13px}
.search-wrap input,.filters select{min-height:48px}
.provider-option input{width:18px;height:18px;flex:none}
.provider-option.is-unavailable{color:var(--muted);cursor:not-allowed}
.provider-option.is-unavailable input{cursor:not-allowed}
.filter-note{line-height:1.65}
th,td{font-size:12px}
.plan-name,.spec-primary{font-size:13px}
.price-cell{font-size:14px}
.state-panel strong{font-size:16px}
.guide-card-body>span{font-size:14px}
.guide-card-top,.guide-card-bottom{font-size:12px}
.source-links a,.footer nav a,.footer>span{font-size:12px}
.loading-row td{font-size:13px}
.table-scroll td:last-child{position:sticky;right:0;z-index:1;background:var(--surface)}
.table-scroll thead th:last-child{position:sticky;right:0;z-index:3;background:var(--surface-soft)}
.table-scroll td:nth-last-child(2){position:sticky;right:70px;z-index:1;background:var(--surface)}
.table-scroll thead th:nth-last-child(2){position:sticky;right:70px;z-index:3;background:var(--surface-soft)}
.table-scroll tbody tr:hover td:last-child{background:var(--surface-soft)}
.table-scroll tbody tr:hover td:nth-last-child(2){background:var(--surface-soft)}
.load-message button,.state-panel button{border-radius:6px}
.load-message button:hover,.state-panel button:hover,.filter-topline button:hover{background:var(--surface-soft)}
@media(min-width:901px) and (max-width:1320px){
  .table-swipe-hint{display:block;margin:0;padding:8px 17px;border-bottom:1px solid var(--border);color:var(--muted);font-size:12px}
}
@media(min-width:621px) and (max-width:900px){
  .hero{grid-template-columns:minmax(0,1fr);gap:0}
  .hero-panel{min-height:0;margin-top:34px}
  .hero h1{max-width:760px}
  .decision-item{grid-template-columns:100px minmax(0,1fr) auto}
}
@media(max-width:900px){
  .filters{display:block}
  .range-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:14px}
  .range-group legend{grid-column:1/-1}
  .range-group .field-label:nth-of-type(1),.range-group select:nth-of-type(1){grid-column:1}
  .range-group .field-label:nth-of-type(2),.range-group select:nth-of-type(2){grid-column:2}
  .range-group .field-label{grid-row:2}
  .range-group select{grid-row:3}
  .sort-label{margin-top:19px}
  .mobile-plan-provider,.mobile-plan-family,.mobile-plan-price small,.mobile-plan-specs dt{font-size:12px}
  .mobile-plan-name,.mobile-plan-price{font-size:16px}
  .mobile-plan-specs dd,.mobile-plan-footer a,.mobile-empty p{font-size:13px}
  .mobile-empty strong{font-size:16px}
  .mobile-plan-price .price-context{max-width:145px;font-size:11px}
}
@media(max-width:620px){
  .top-nav a{font-size:12px}
  .hero-meta,.decision-detail,.source-strip-caption,.provider-detail,.status-count,.table-updated{font-size:11px}
  .provider-name{font-size:13px}
  .mobile-plan-card{padding:16px}
  .mobile-plan-specs>div{padding-top:13px}
  .mobile-plan-specs dd{font-size:14px}
  .mobile-plan-footer a{font-size:13px}
}

/* Editorial home and tutorial library */
.home-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);align-items:center;gap:clamp(36px,6vw,86px);padding-block:76px 83px;border-bottom:1px solid var(--border)}
.home-hero-copy h1{max-width:760px;margin:22px 0 22px;font-size:clamp(48px,4.6vw,66px);line-height:1.25;letter-spacing:-.045em;text-wrap:balance}
.home-hero-copy>p:last-of-type{max-width:54ch;margin:0;color:var(--muted);font-size:17px;line-height:1.8}
.home-hero-links{display:flex;align-items:center;flex-wrap:wrap;gap:14px 22px;margin-top:28px}
.home-feature{min-height:390px;display:flex;flex-direction:column;align-items:flex-start;padding:clamp(27px,3vw,38px);border:1px solid var(--border);border-radius:24px;background:var(--surface-soft);transition:transform 180ms ease,border-color 180ms ease}
.home-feature:hover{transform:translateY(-3px);border-color:var(--muted)}
.home-feature-meta{color:var(--muted);font-size:12px;font-weight:650;letter-spacing:.04em}
.home-feature-meta span{margin-inline:5px;color:var(--signal)}
.home-feature>strong{max-width:16ch;margin-top:38px;font-size:clamp(27px,2.7vw,38px);font-weight:700;line-height:1.35;text-wrap:balance}
.home-feature>span:nth-last-child(2){max-width:40ch;margin-top:15px;color:var(--muted);font-size:15px;line-height:1.7}
.home-feature-foot{width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:auto;padding-top:28px;font-size:13px;font-weight:700}
.home-feature-foot span,.home-path-grid b,.home-story-arrow,.home-reading-grid b{transition:transform 180ms ease}
.home-feature:hover .home-feature-foot span,.home-path-grid a:hover b,.home-story:hover .home-story-arrow,.home-reading-grid a:hover b{transform:translate(2px,-2px)}
.home-paths,.home-latest,.home-reading{padding-block:72px 80px;border-bottom:1px solid var(--border)}
.home-section-top{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:30px}
.home-section-top h2,.tutorial-index-heading h2{max-width:760px;margin:11px 0 0;font-size:clamp(29px,3.2vw,43px);line-height:1.35;letter-spacing:-.025em}
.home-path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--border)}
.home-path-grid a{position:relative;min-height:190px;display:flex;flex-direction:column;align-items:flex-start;gap:13px;padding:23px 26px 25px 0;border-right:1px solid var(--border);transition:background 180ms ease}
.home-path-grid a+a{padding-left:26px}
.home-path-grid a:last-child{border-right:0}
.home-path-grid a:hover,.home-story:hover,.home-reading-grid a:hover{background:var(--surface-soft)}
.home-path-grid a>span,.home-story-category,.home-reading-grid a>span{color:var(--muted);font-size:12px;font-weight:650}
.home-path-grid strong{font-size:20px;line-height:1.4}
.home-path-grid small,.home-reading-grid small{max-width:35ch;color:var(--muted);font-size:13px;line-height:1.7}
.home-path-grid b,.home-reading-grid b{position:absolute;right:20px;bottom:22px;font-size:18px;font-weight:500}
.home-story-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.home-story{min-width:0;min-height:286px;display:flex;flex-direction:column;align-items:flex-start;padding:24px;border:1px solid var(--border);border-radius:18px;transition:background 180ms ease,border-color 180ms ease,transform 180ms ease}
.home-story:hover{transform:translateY(-2px);border-color:var(--muted)}
.home-story strong{margin-top:25px;font-size:clamp(19px,1.8vw,24px);line-height:1.45}
.home-story-deck{margin-top:13px;color:var(--muted);font-size:14px;line-height:1.7}
.home-story-arrow{margin-top:auto;padding-top:20px;font-size:19px}
.home-reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--border)}
.home-reading-grid a{position:relative;min-height:215px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding:23px 25px 25px 0;border-right:1px solid var(--border)}
.home-reading-grid a+a{padding-left:25px}
.home-reading-grid a:last-child{border-right:0}
.home-reading-grid strong{font-size:19px;line-height:1.5}
.home-tool{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(30px,6vw,90px);padding-block:78px 90px;scroll-margin-top:90px}
.home-tool h2{margin:12px 0 0;font-size:clamp(31px,3.4vw,46px);line-height:1.35}
.home-tool p:not(.section-index){max-width:53ch;margin:0;color:var(--muted);font-size:15px;line-height:1.85}
.home-tool .button{margin-top:24px}
.tutorial-index{padding-block:20px 78px}
.tutorial-index-heading{margin-bottom:25px}
.tutorial-group{padding-top:32px;border-top:1px solid var(--border)}
.tutorial-group+.tutorial-group{margin-top:38px}
.tutorial-group-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px 28px;margin-bottom:20px}
.tutorial-group-heading h3{margin:0;font-family:var(--font-display);font-size:clamp(21px,2.3vw,29px);font-weight:650;line-height:1.4}
.tutorial-group-heading p{max-width:42ch;margin:0;color:var(--muted);font-size:13px;line-height:1.6}
.tutorial-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.tutorial-card-grid .guide-card{min-height:290px}
.article-body pre{max-width:100%;margin:20px 0 23px;padding:18px 20px;overflow:auto;border:1px solid var(--border);border-radius:12px;background:var(--surface-soft);color:var(--fg);font-family:var(--font-mono);font-size:13px;line-height:1.7}
.article-body code{padding:2px 4px;border-radius:4px;background:var(--surface-soft);font-family:var(--font-mono);font-size:.9em}
.article-body pre code{padding:0;background:transparent;font-size:inherit}
.article-sources{padding-top:4px;border-top:1px solid var(--border)}
.article-sources li{overflow-wrap:anywhere}
.button-secondary{border-color:var(--border);background:var(--surface);color:var(--fg)}
.button-secondary:hover{background:var(--surface-soft);border-color:var(--muted)}
.top-nav a[aria-current=page]{color:var(--fg);text-decoration:underline;text-underline-offset:5px}
@media(max-width:900px){
  .home-hero{grid-template-columns:1fr;gap:34px;padding-block:60px 68px}
  .home-feature{min-height:285px}
  .home-feature>strong{max-width:none;margin-top:24px}
  .home-story-list,.tutorial-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .home-story-list .home-story:last-child,.tutorial-card-grid .guide-card:last-child{grid-column:1/-1}
  .home-path-grid strong{font-size:18px}
}
@media(max-width:620px){
  .topbar{justify-content:space-between}
  .top-nav{margin-left:0;gap:10px}
  .top-nav a{white-space:nowrap}
  .home-hero{gap:27px;padding-block:48px 54px}
  .home-hero-copy h1{margin:18px 0 16px;font-size:clamp(38px,10vw,52px)}
  .home-hero-copy>p:last-of-type{font-size:15px}
  .home-feature{min-height:245px;padding:22px;border-radius:18px}
  .home-feature>strong{font-size:27px}
  .home-feature>span:nth-last-child(2){font-size:14px}
  .home-paths,.home-latest,.home-reading{padding-block:48px 54px}
  .home-section-top{align-items:flex-start;flex-direction:column;gap:9px;margin-bottom:20px}
  .home-path-grid,.home-story-list,.home-reading-grid,.tutorial-card-grid{grid-template-columns:1fr}
  .home-path-grid a,.home-path-grid a+a,.home-reading-grid a,.home-reading-grid a+a{min-height:0;padding:20px 30px 22px 0;border-right:0;border-bottom:1px solid var(--border)}
  .home-path-grid a:last-child,.home-reading-grid a:last-child{border-bottom:0}
  .home-path-grid b,.home-reading-grid b{right:2px;bottom:21px}
  .home-story-list .home-story:last-child,.tutorial-card-grid .guide-card:last-child{grid-column:auto}
  .home-story{min-height:220px}
  .home-story strong{margin-top:16px;font-size:21px}
  .home-tool{grid-template-columns:1fr;gap:17px;padding-block:52px 62px}
  .tutorial-index{padding-block:10px 58px}
  .tutorial-group{padding-top:25px}
  .tutorial-group+.tutorial-group{margin-top:30px}
  .tutorial-group-heading{align-items:flex-start;flex-direction:column;gap:4px;margin-bottom:15px}
  .article-outcome{padding:17px 18px;margin-top:20px}
  .tutorial-card-grid .guide-card{min-height:235px}
  .article-body pre{font-size:12px}
  .article-aside{order:-1;position:static}
  .article-aside nav{max-height:none;overflow:visible}
  .article-aside>strong,.reading-progress-meta{font-size:12px}
  .article-aside nav a{min-height:48px;font-size:12px}
  .article-aside .button{min-height:44px;font-size:13px}
}
@media(max-width:370px){
  .topbar{gap:6px}
  .brand{gap:5px}
  .brand-mark{width:27px;height:27px;padding:5px}
  .brand-name{font-size:15px}
  .top-nav{gap:6px}
  .top-nav a{font-size:11px}
  .home-hero-copy h1{font-size:34px}
}
.article-save-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px}
.article-save-actions span{max-width:35ch;font-size:12px;color:var(--muted);line-height:1.6}
.print-source{display:none}
.code-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px}
.code-actions button{min-height:44px;padding:9px 15px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--fg);font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.code-actions button:hover{border-color:var(--fg);background:var(--surface-soft)}
.code-actions button:focus-visible{outline:2px solid var(--fg);outline-offset:3px}
.code-actions button:disabled{opacity:.6;cursor:wait}
.code-actions span{font-size:12px;line-height:1.6;color:var(--muted)}
.article-body .code-actions+pre{margin-top:8px}
.search-help{padding:24px;border:1px solid var(--border);border-radius:18px;margin-bottom:28px}
.search-help h3{margin:0 0 12px;font-size:19px}
.search-help p{display:flex;flex-wrap:wrap;gap:12px 24px;margin:0}
.search-help a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:4px}
@media print{
  @page{margin:16mm}
  html,body{background:#fff!important;color:#000!important;font-size:11pt!important}
  body:has(.article-body) .topbar,body:has(.article-body) footer,
  .back-to-top,.scroll-progress,.code-actions,
  body:has(.article-body) .topic-nav,.article-aside,.article-related,.article-roadmap,
  .article-save-actions,.article-editor-note,.breadcrumbs,.reading-progress-track,
  .article-body button,.article-body form,.skip-link{display:none!important}
  body:has(.article-body) main{width:100%!important;max-width:none!important;margin:0!important;padding:0!important}
  body:has(.article-body) .site-shell{width:100%!important;max-width:none!important;padding:0!important}
  .article-lead-grid,.article-layout{display:block!important;padding:0!important}
  .article-header{padding:0 0 6mm!important}
  .article-header h1{font-size:24pt!important;max-width:none!important}
  .article-body{font-size:11pt!important;line-height:1.65!important}
  .article-body p,.article-deck{max-width:none!important}
  .article-body h2,.article-body h3{break-after:avoid;page-break-after:avoid}
  .article-body h2{font-size:17pt!important;margin-top:8mm!important}
  .article-body figure,.article-outcome,tr{break-inside:avoid;page-break-inside:avoid}
  .article-body img{max-width:100%!important;max-height:180mm!important;width:auto!important;height:auto!important;object-fit:contain}
  .article-body pre{white-space:pre-wrap!important;overflow-wrap:anywhere;overflow:visible!important}
  .article-table-wrap{overflow:visible!important}
  .article-body table{width:100%!important;min-width:0!important;table-layout:fixed}
  .article-body td,.article-body th{overflow-wrap:anywhere;padding:2mm!important}
  .article-body a{color:#000!important}
  .print-source{display:block!important;margin-top:10mm!important;border-top:1px solid #aaa;padding-top:4mm;font-size:9pt;overflow-wrap:anywhere}
  [data-reveal],.reveal{opacity:1!important;transform:none!important}
}