.hero{position:relative;overflow-x:clip;max-width:100%;background:linear-gradient(180deg,var(--c-hero-top) 0%,var(--c-hero-bottom) 100%)}
.hero::before{content:"";position:absolute;inset:0 -6% 34% 46%;background:radial-gradient(closest-side,var(--c-accent-a04) 0%,var(--c-accent-a04) 35%,var(--c-transparent) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:24px 24px 48px}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;min-height:28px;padding:4px 12px 4px 10px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-panel);font-size:13px;line-height:18px;color:var(--c-muted);box-shadow:0 6px 16px -8px var(--c-accent-a12)}
.badge-dot{width:8px;height:8px;flex-shrink:0;border-radius:var(--r-circle);background:var(--c-accent);box-shadow:0 0 0 3px var(--c-accent-a10)}
.hero-title{margin-top:16px;font-family:var(--f-display);font-weight:var(--weight-normal);font-size:var(--fs-hero);line-height:1.1;letter-spacing:-.025em;color:var(--c-text)}
.hero-sub{margin-top:14px;max-width:860px;font-size:18px;line-height:28px;color:var(--c-muted)}
.hero-sub strong{font-weight:var(--weight-medium);color:var(--c-text)}
.hero-actions{margin-top:22px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.trust-row{margin-top:14px;display:flex;flex-wrap:wrap;justify-content:center;font-size:13.5px;line-height:20px;color:var(--c-muted)}
.trust-row li{display:inline-flex;align-items:center}
.trust-row li+li::before{content:"·";margin:0 10px;color:var(--c-faint)}
.wall{margin-top:18px;display:flex;align-items:center;justify-content:center;gap:28px;color:var(--c-faint)}
.wall-group{display:flex;align-items:center;gap:16px;min-width:0}
.wall-label{display:inline-flex;align-items:center;height:22px;padding:0 8px;border:1px solid var(--c-border);border-radius:var(--r-chip);background:var(--c-panel);font-size:12px;letter-spacing:.06em;color:var(--c-faint);white-space:nowrap}
.wall-list{display:flex;align-items:center;gap:22px}
.wall-item{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;line-height:20px;font-weight:var(--weight-medium);color:var(--c-faint);white-space:nowrap}
.wall-ico{width:18px;height:18px;fill:currentColor}
.wall-flag{width:18px;height:18px;overflow:hidden;border-radius:var(--r-circle);filter:saturate(.42) contrast(.96);box-shadow:0 0 0 1px var(--c-border)}
.wall-divider{width:1px;height:20px;background:var(--c-border)}
.fw{fill:var(--flag-white)}
.fr{fill:var(--flag-red)}
.fb{fill:var(--flag-blue)}
.uk-cross-w{fill:none;stroke:var(--flag-white);stroke-width:7}
.uk-cross-r{fill:none;stroke:var(--flag-red);stroke-width:4}
.uk-diag-w{fill:none;stroke:var(--flag-white);stroke-width:5}
.uk-diag-r{fill:none;stroke:var(--flag-red);stroke-width:1.6}
.stack{position:relative;width:92%;height:auto;margin:22px auto 0;border-radius:var(--r-panel);background:radial-gradient(120% 95% at 0% 0%,var(--c-white-a12) 0%,var(--c-transparent) 46%),linear-gradient(128deg,var(--c-accent) 0%,var(--c-accent) 28%,var(--c-accent-dark) 100%);box-shadow:var(--shadow-panel)}
.stack-head{position:relative;z-index:3;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;padding:28px 32px 0 36px}
.stack-title{font-family:var(--f-display);font-weight:var(--weight-normal);font-size:21px;line-height:28px;letter-spacing:-.01em;color:var(--c-on-accent)}
.stack-desc{margin-top:4px;font-size:14px;line-height:22px;color:var(--c-white-a80)}
.stack-pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 16px;border-radius:var(--r-pill);background:var(--c-panel);font-size:13.5px;font-weight:var(--weight-medium);color:var(--c-text);white-space:nowrap;box-shadow:0 10px 22px -10px var(--c-glass-deep)}
.pill-arrow{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.stack-stage{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:24px 24px 104px}
.layer{min-width:0;min-height:288px;padding:16px 16px 14px;display:flex;flex-direction:column;border-radius:var(--r-card);background:var(--c-glass);border:1px solid var(--c-glass-edge);-webkit-backdrop-filter:blur(10px) saturate(1.15);backdrop-filter:blur(10px) saturate(1.15);box-shadow:var(--shadow-glass);color:var(--c-on-accent)}
.layer-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding-bottom:12px;margin-bottom:8px;border-bottom:1px solid var(--c-white-a20)}
.layer-idx{display:inline-grid;place-items:center;flex-shrink:0;width:22px;height:22px;border-radius:var(--r-chip);background:var(--c-white-a20);font-family:var(--f-mono);font-size:10.5px;font-weight:var(--weight-strong)}
.layer-name{font-size:15px;font-weight:var(--weight-medium);letter-spacing:.02em}
.layer-tag{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;color:var(--c-white-a70)}
.layer-foot{margin-top:auto;padding-top:12px;overflow-wrap:anywhere;font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;color:var(--c-white-a70)}
.line-list li{display:flex;align-items:center;flex-wrap:wrap;gap:6px;min-height:32px;padding-block:5px;font-size:12.5px;line-height:1;border-bottom:1px solid var(--c-white-a12)}
.line-list li:last-child{border-bottom:0}
.mini-flag{width:16px;height:16px;overflow:hidden;border-radius:var(--r-circle);box-shadow:0 0 0 1.5px var(--c-white-a55);filter:saturate(.7)}
.line-city{font-weight:var(--weight-medium);white-space:nowrap}
.line-sep{color:var(--c-white-a55)}
.line-type{padding:2px 6px;border-radius:var(--r-chip);background:var(--c-white-a16);font-size:10.5px;line-height:14px;color:var(--c-white-a92);white-space:nowrap}
.line-type--iepl{background:var(--c-white-a92);color:var(--c-accent-dark);font-weight:var(--weight-strong)}
.tunnel-row{display:flex;align-items:center;gap:14px;margin-top:4px;padding:10px 12px;width:max-content;max-width:100%;border-radius:var(--r-tile);background:var(--c-white-a12);border:1px solid var(--c-white-a20)}
.tunnel-lock{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:var(--r-btn);background:var(--c-white-a20)}
.tunnel-lock svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.switch{position:relative;display:inline-flex;align-items:center;flex-shrink:0;width:60px;height:30px;padding-left:11px;border-radius:var(--r-pill);background:var(--c-white-a92);box-shadow:inset 0 1px 2px var(--c-ink-a14)}
.switch-label{font-size:12px;font-weight:var(--weight-strong);color:var(--c-accent-dark)}
.switch-knob{position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:var(--r-circle);background:linear-gradient(140deg,var(--c-accent),var(--c-accent-dark));box-shadow:0 2px 5px var(--c-glass-deep)}
.check-list{margin-top:12px}
.check-list li{display:flex;align-items:center;gap:8px;min-height:30px;font-size:12.5px}
.check-dot{display:inline-grid;place-items:center;flex-shrink:0;width:18px;height:18px;border-radius:var(--r-circle);background:var(--c-white-a20)}
.check-dot svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rule-list{margin-top:4px}
.rule{position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:6px;width:max-content;max-width:100%;min-height:32px;padding:4px 10px 4px 6px;border-radius:var(--r-btn);background:var(--c-white-a12);border:1px solid var(--c-white-a20);font-size:12px;white-space:nowrap}
.rule+.rule{margin-top:18px}
.rule:not(:last-child)::after{content:"";position:absolute;left:22px;top:100%;height:15px;border-left:1.5px dashed var(--c-white-a70)}
.rule:not(:last-child)::before{content:"";position:absolute;left:19px;top:calc(100% + 9px);width:6px;height:6px;border-right:1.5px solid var(--c-white-a70);border-bottom:1.5px solid var(--c-white-a70);transform:rotate(45deg)}
.rule-src{padding:3px 7px;border-radius:var(--r-chip);background:var(--c-white-a20);font-weight:var(--weight-medium)}
.rule-arrow{width:14px;height:10px;fill:none;stroke:var(--c-white-a80);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.rule-dst{font-weight:var(--weight-strong)}
.dev-grid{margin-top:4px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.dev-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-width:0;height:54px;border-radius:var(--r-tile);background:var(--c-white-a12);border:1px solid var(--c-white-a20);color:var(--c-on-accent)}
.dev-tile svg{width:20px;height:20px;fill:currentColor}
.dev-tile span{font-size:9.5px;line-height:1;letter-spacing:.02em;color:var(--c-white-a80)}
.dev-unlimited{margin-top:auto;display:inline-flex;align-items:center;gap:6px;width:max-content;height:28px;padding:0 12px 0 8px;border-radius:var(--r-pill);background:var(--c-white-a92);color:var(--c-accent-dark);font-size:12px;font-weight:var(--weight-strong)}
.dev-unlimited svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.link-card{position:absolute;z-index:4;left:-36px;bottom:28px;display:flex;align-items:center;gap:12px;padding:10px 16px 10px 10px;border-radius:var(--r-float);background:var(--c-panel);border:1px solid var(--c-border);box-shadow:var(--shadow-float)}
.link-mark{display:inline-grid;place-items:center;flex-shrink:0;width:34px;height:34px;border-radius:var(--r-btn);background:var(--c-panel-2)}
.link-mark img{width:22px;height:22px}
.link-text{display:flex;flex-direction:column;gap:3px;text-align:left}
.link-text strong{font-size:13.5px;line-height:18px;font-weight:var(--weight-strong);color:var(--c-text)}
.link-text span{font-size:11.5px;line-height:15px;color:var(--c-muted)}
.status-dot{width:8px;height:8px;flex-shrink:0;border-radius:var(--r-circle);background:var(--c-success);box-shadow:0 0 0 4px var(--c-success-a18)}
.fact-pin{position:absolute;z-index:4;right:-30px;top:78px;display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px 0 10px;border-radius:var(--r-pill);background:var(--c-panel);border:1px solid var(--c-border);font-size:13px;font-weight:var(--weight-medium);color:var(--c-text);white-space:nowrap;box-shadow:var(--shadow-float)}
.fact-pin svg{width:16px;height:16px;fill:none;stroke:var(--c-accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.stats-strip{background:var(--c-panel);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.stats-inner{max-width:1240px;margin:0 auto;padding:14px 24px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 36px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--c-muted)}
.stats-inner span{display:inline-flex;align-items:center;gap:10px}
.stats-inner b{font-family:var(--f-body);font-weight:var(--weight-medium);color:var(--c-text);letter-spacing:0}
.tabs-list{display:flex;align-items:center;gap:8px;max-width:100%;overflow-x:auto;padding:4px}
.tabs-list [role="tab"]{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:44px;padding:10px 18px;border-radius:var(--r-pill);background:var(--c-panel);border:1px solid var(--c-border);color:var(--c-muted);white-space:nowrap}
.tabs-list [role="tab"][aria-selected="true"]{color:var(--c-text);background:var(--c-panel-2);border-color:var(--c-text)}
.tab-panel{min-width:0;margin-top:24px}
.feature-tabs{display:grid;grid-template-columns:minmax(0,28fr) minmax(0,72fr);gap:32px}
.feature-tabs .tabs-list{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0}
.feature-tabs .tabs-list [role="tab"]{position:relative;justify-content:flex-start;gap:12px;min-height:70px;padding:18px 18px 18px 24px;border:0;border-bottom:1px solid var(--c-border);border-radius:0;background:var(--c-transparent);text-align:left}
.feature-tabs .tabs-list [aria-selected="true"]::before{content:"";position:absolute;left:0;width:8px;height:8px;background:var(--c-accent)}
.tab-number{font-family:var(--f-mono);font-size:14px}
.feature-tabs .tab-panel{margin-top:0}
.feature-panel{min-width:0;min-height:440px;padding:36px;border-radius:var(--r-panel);background:linear-gradient(128deg,var(--c-accent),var(--c-accent-dark));color:var(--c-on-accent);box-shadow:var(--shadow-panel);overflow-x:clip}
.feature-panel--ink{background:var(--c-text)}
.feature-panel--warm{background:var(--c-panel-2);color:var(--c-text)}
.feature-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}
.feature-panel-head>div{min-width:0}
.feature-panel p{margin-top:16px;max-width:600px;line-height:1.8}
.feature-glass-row{display:flex;gap:20px;margin-top:40px;padding:12px}
.feature-glass{flex:1;min-width:0;padding:24px;border:1px solid var(--c-glass-edge);border-radius:var(--r-card);background:var(--c-glass);backdrop-filter:blur(10px);box-shadow:var(--shadow-glass);transform:perspective(1200px) rotateX(14deg) rotateZ(-4deg)}
.feature-glass p{margin-top:8px;font-size:14px}
.feature-panel--warm .feature-glass{background:var(--c-panel);border-color:var(--c-border);box-shadow:var(--shadow-card)}
.toc-tabs{position:sticky;top:12px;z-index:15;display:flex;gap:8px;max-width:100%;overflow-x:auto;padding:10px;background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-tile);box-shadow:var(--shadow-card);scrollbar-width:thin}
.toc-tabs a{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:40px;padding:8px 16px;border-radius:var(--r-nav);color:var(--c-muted);white-space:nowrap}
.toc-tabs a.is-current{background:var(--c-text);color:var(--c-on-accent)}
.toc-tabs.toc-static{position:static}
body:has(.toc-tabs) section[id]{scroll-margin-top:var(--toc-offset)}
.faq-item{border-bottom:1px solid var(--c-border);background:var(--c-panel)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;padding:20px;cursor:pointer;list-style:none;font-weight:var(--weight-medium)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex-shrink:0;font-family:var(--f-mono);font-size:22px;color:var(--c-accent)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 20px 24px;color:var(--c-muted)}
.plan-card{position:relative;display:flex;flex-direction:column;gap:20px;min-width:0;padding:28px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);box-shadow:var(--shadow-card)}
.plan-card.is-current{border-color:var(--c-accent);box-shadow:0 0 0 1px var(--c-accent),var(--shadow-float)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.plan-cycle{font-size:14px;color:var(--c-muted)}
.plan-price{font-family:var(--f-display);font-size:40px;line-height:1.2;letter-spacing:-.02em}
.plan-price small{font-family:var(--f-body);font-size:14px;color:var(--c-muted);letter-spacing:0}
.plan-facts{display:grid;gap:10px;font-size:14px;color:var(--c-muted)}
.plan-card .btn{margin-top:auto;min-width:0;width:100%}
.badge,.tag{display:inline-flex;align-items:center;gap:6px;max-width:100%;min-height:24px;padding:3px 9px;border-radius:var(--r-chip);background:var(--c-panel-2);color:var(--c-text);font-size:12px;line-height:18px;overflow-wrap:anywhere;white-space:normal}
.badge--accent{background:var(--c-accent);color:var(--c-on-accent)}
.badge--success{background:var(--c-success-a18);color:var(--c-text)}
.badge--outline{background:var(--c-panel);border:1px solid var(--c-border)}
.table-scroll{min-width:0;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--c-border);border-radius:var(--r-tile);background:var(--c-panel)}
.data-table,.route-table{width:100%;min-width:660px;border-collapse:collapse;text-align:left;font-size:14px}
.data-table caption,.route-table caption{padding:16px 20px;text-align:left;font-weight:var(--weight-medium);color:var(--c-text)}
.data-table th,.data-table td,.route-table th,.route-table td{padding:16px 20px;border-bottom:1px solid var(--c-border);word-break:keep-all;color:var(--c-text)}
.table-scroll th{background:var(--c-panel-2);font-weight:var(--weight-medium);white-space:nowrap;color:var(--c-text)}
.table-scroll td:first-child{font-weight:var(--weight-medium);color:var(--c-text)}
.route-table .region-row th{background:var(--c-notice);color:var(--c-text);font-size:13px;letter-spacing:.04em}
.data-table tr:last-child td,.route-table tr:last-child td{border-bottom:0}
.prose>.data-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;min-width:0}
.platform-card{display:flex;flex-direction:column;align-items:flex-start;gap:16px;min-width:0;padding:24px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);box-shadow:var(--shadow-card)}
.platform-icon{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:var(--r-tile);background:var(--c-panel-2);color:var(--c-muted)}
.platform-icon svg{width:26px;height:26px;fill:currentColor}
.platform-card h3{font-size:18px}
.platform-card p{font-size:14px;color:var(--c-muted)}
.platform-card .btn{margin-top:auto;min-width:0;padding-inline:14px;width:100%;font-size:13px}
.article-card{display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding:28px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);box-shadow:var(--shadow-card)}
.article-card h3{font-size:22px;line-height:1.5}
.article-card h3 a:hover{text-decoration:underline;text-underline-offset:4px}
.article-card p{font-size:14px;color:var(--c-muted)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;color:var(--c-muted)}
.article-card>.text-link{margin-top:auto;min-height:28px}
.callout{min-width:0;margin-block:24px;padding:20px 24px;border-left:3px solid var(--c-accent);border-radius:var(--r-nav);background:var(--c-panel-2);color:var(--c-text)}
.callout p+p{margin-top:12px}
.promo-block{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-block:40px;padding:32px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);box-shadow:var(--shadow-float)}
.promo-block>div{min-width:0}
.promo-block h2{font-size:24px}
.promo-block p{margin-top:10px;color:var(--c-muted)}
.promo-block .btn,.promo-block .btn-secondary{flex-shrink:0;white-space:nowrap}
.float-cta{position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:50;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px 10px 14px;border-radius:var(--r-btn);background:var(--c-text);color:var(--c-on-accent);font-size:14px;font-weight:var(--weight-medium);box-shadow:0 2px 6px var(--c-ink-a14),0 16px 34px -12px var(--c-accent-a12);transition:transform var(--transition-fast) ease,background-color var(--transition-fast) ease}
.float-cta:hover{background:var(--c-text-hover);transform:translateY(-1px)}
.float-dot{width:8px;height:8px;flex-shrink:0;border-radius:var(--r-circle);background:var(--c-accent);box-shadow:0 0 0 3px var(--c-white-a20)}
body:has(.float-cta)::after{content:"";display:block;height:calc(88px + env(safe-area-inset-bottom,0px))}
.svg-store{position:absolute;width:0;height:0;overflow:hidden;pointer-events:none}
.sample-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px}
.sample-stack{display:grid;gap:24px}
.swatch-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.swatch{min-width:0;padding:12px;border:1px solid var(--c-border);border-radius:var(--r-tile);background:var(--c-panel)}
.swatch::before{content:"";display:block;height:64px;margin-bottom:12px;border:1px solid var(--c-border);border-radius:var(--r-nav);background:var(--sample-color)}
.swatch code{font-size:12px}
.swatch--bg{--sample-color:var(--c-bg)}
.swatch--panel{--sample-color:var(--c-panel)}
.swatch--panel2{--sample-color:var(--c-panel-2)}
.swatch--border{--sample-color:var(--c-border)}
.swatch--accent{--sample-color:var(--c-accent)}
.swatch--dark{--sample-color:var(--c-accent-dark)}
.swatch--text{--sample-color:var(--c-text)}
.swatch--hover{--sample-color:var(--c-text-hover)}
.swatch--muted{--sample-color:var(--c-muted)}
.swatch--faint{--sample-color:var(--c-faint)}
.swatch--link{--sample-color:var(--c-link)}
.swatch--notice{--sample-color:var(--c-notice)}
.swatch--notice-edge{--sample-color:var(--c-notice-edge)}
.swatch--success{--sample-color:var(--c-success)}
.swatch--warn{--sample-color:var(--c-warn)}
.swatch--error{--sample-color:var(--c-error)}
.swatch--hero{--sample-color:var(--c-hero-bottom)}
.swatch--glass{--sample-color:linear-gradient(128deg,var(--c-glass),var(--c-accent))}
.type-display{font-family:var(--f-display);font-size:var(--fs-h1);font-weight:var(--weight-normal);line-height:1.1;letter-spacing:-.02em}
.sample-focus{outline:2px solid var(--c-link);outline-offset:2px}
.sample-hover{background:var(--c-text-hover)}
.flow-line{display:block;width:100%;height:48px;fill:none;stroke:var(--c-accent);stroke-width:1.5}
@media(max-width:1240px){.wall{gap:18px}.wall-list{gap:16px}}
@media(max-width:1120px){.link-card{left:-20px}}
@media(max-width:1060px){.stack-stage{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){.wall{flex-direction:column;gap:12px}.wall-divider{display:none}.swatch-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:768px){
  .feature-tabs{grid-template-columns:minmax(0,1fr);gap:20px}
  .feature-tabs .tabs-list{flex-direction:row;gap:8px;overflow-x:auto}
  .feature-tabs .tabs-list [role="tab"]{min-height:44px;padding:10px 16px;border:1px solid var(--c-border);border-radius:var(--r-pill)}
  .feature-tabs .tabs-list [aria-selected="true"]{border-color:var(--c-text);background:var(--c-panel)}
  .feature-tabs .tabs-list [aria-selected="true"]::before{display:none}
  .feature-panel{padding:24px;min-height:0}
  .feature-panel-head{flex-direction:column}
  .feature-glass-row{flex-direction:column;padding:0;margin-top:24px}
  .feature-glass{transform:none}
  .promo-block{flex-direction:column;align-items:flex-start}
  .type-display{font-size:var(--fs-hero-mobile)}
}
@media(max-width:760px){
  .hero-inner{padding:20px 16px 40px}
  .hero-title{font-size:var(--fs-hero-mobile);line-height:1.2}
  .hero-sub{font-size:16px;line-height:26px}
  .wall-group{flex-direction:column;gap:10px}
  .wall-list{flex-wrap:wrap;justify-content:center;gap:10px 16px}
  .stack{width:100%;height:auto;min-height:420px;display:flex;flex-direction:column;padding-bottom:16px}
  .stack-head{flex-direction:column;gap:14px;padding:22px 20px 0}
  .stack-stage{position:static;transform:none;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;padding:18px 14px 0}
  .layer{position:static;left:auto;top:auto;width:auto;height:auto;min-width:0;min-height:168px;margin:0;padding:12px 10px 10px;transform:none}
  .layer-head{padding-bottom:8px;margin-bottom:6px;gap:6px;flex-wrap:wrap}
  .layer-idx{width:18px;height:18px;font-size:9px}
  .layer-name{font-size:13px}
  .layer-tag{font-size:8.5px;letter-spacing:.1em}
  .line-list li{min-height:21px;font-size:10.5px;gap:4px}
  .mini-flag{width:13px;height:13px}
  .line-type{font-size:9px;line-height:12px;padding:1px 4px}
  .tunnel-row{gap:8px;padding:6px 8px}
  .tunnel-lock{width:26px;height:26px}
  .switch{width:52px;height:26px;padding-left:9px}
  .switch-knob{width:18px;height:18px}
  .check-list{margin-top:6px}
  .check-list li{min-height:24px;font-size:10.5px;gap:6px}
  .rule{min-height:26px;font-size:10px;padding:3px 6px 3px 4px;gap:4px}
  .rule+.rule{margin-top:12px}
  .rule:not(:last-child)::after{left:16px;height:10px}
  .rule:not(:last-child)::before{left:13px;top:calc(100% + 5px);width:5px;height:5px}
  .rule-src{padding:2px 5px}
  .dev-grid{gap:5px}
  .dev-tile{height:44px}
  .dev-tile svg{width:16px;height:16px}
  .dev-tile span{font-size:8.5px}
  .dev-unlimited{margin-top:12px}
  .layer-foot{margin-top:10px}
  .link-card{position:relative;left:auto;bottom:auto;align-self:flex-start;margin:18px 14px 0;max-width:calc(100% - 28px)}
  .fact-pin{position:relative;right:auto;top:auto;align-self:flex-start;margin:12px 14px 0}
}
@media(max-width:640px){
  .layer{transform:none}
  .swatch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .float-cta{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}
  .hero-title{letter-spacing:-.02em}
  .hero-actions .btn{min-width:128px;padding-inline:20px}
  .article-card,.plan-card{padding:24px}
  .promo-block{padding:24px}
  .rule-arrow{width:10px}
}
@media(max-width:359px){
  .stack-stage{padding-inline:10px;gap:8px}
  .layer{padding-inline:8px}
  .rule{font-size:9px;gap:2px;padding-inline:3px}
  .rule-src{padding-inline:3px}
  .line-list li{gap:3px;font-size:10px}
  .line-type{font-size:8px;padding-inline:3px}
}