.sg-strip{flex-wrap:wrap;gap:12px;margin:18px 0 0;padding:0;list-style:none;display:flex}.sg-strip .road-sign{border:1px solid var(--border);background:var(--surface);border-radius:16px;width:76px;height:76px;padding:8px;display:block;box-shadow:0 1px 2px #0a3c2d0d}.sg-cta-row{margin:18px 0 8px}.shape-guide{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:12px;margin:14px 0 0;padding:0;list-style:none;display:grid}.shape-card{border:1px solid var(--border);background:var(--surface);border-radius:16px;grid-template-rows:auto 1fr;display:grid;overflow:hidden;box-shadow:0 1px 2px #0a3c2d0d}.shape-stage{background:#eaf5ef;place-items:center;height:108px;display:grid}.shape-text{align-content:start;gap:4px;padding:12px 14px 14px;line-height:1.3;display:grid}.shape-text strong{font-size:15px}.shape-text small{color:var(--muted);font-size:12.5px}.sg-table-fold{margin:14px 0 0;font-size:14px}.sg-table-fold summary{cursor:pointer;color:var(--green-ink);min-height:32px;font-weight:650}.sb{margin-top:28px}.sb-bar{gap:12px;margin-bottom:8px;display:grid}.sb-search{border:1px solid var(--border-strong);background:var(--surface);min-height:48px;color:var(--muted);border-radius:14px;align-items:center;gap:10px;padding:0 14px;display:flex}.sb-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #18b7832e}.sb-search input{min-width:0;font:inherit;color:var(--text);background:0 0;border:0;outline:none;flex:1;font-size:15px}.sb-search button{background:var(--green-soft);width:32px;height:32px;color:var(--green-ink);cursor:pointer;border:0;border-radius:50%;place-items:center;display:grid}.sb-tabs{scrollbar-width:none;gap:8px;padding-bottom:4px;display:flex;overflow-x:auto}.sb-tabs::-webkit-scrollbar{display:none}.sb-tabs .guides-cat{flex:none}.sb-blurb{color:var(--muted);margin:0 0 4px}.sb-group[hidden],.sb-grid>li[hidden]{display:none}.sb-empty{color:var(--muted);margin:18px 0}.sb-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0 28px;padding:0;list-style:none;display:grid}@media (min-width:700px){.sb-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.sb-card{border:1px solid var(--border);background:var(--surface);height:100%;color:inherit;text-align:center;border-radius:16px;align-content:start;justify-items:center;gap:10px;padding:16px 12px 14px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:grid;box-shadow:0 1px 2px #0a3c2d0d}.sb-card strong{font-size:14px;line-height:1.3}.sb-card .road-sign{width:84px;height:84px}.sb-card:hover,.sb-card:focus-visible{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 28px #0a3c2d1f}.sg-quiz-card{border:1px solid var(--border);background:var(--green-soft);border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 24px;margin:8px 0 28px;padding:22px;display:flex}.sg-quiz-card .cta{width:auto}@media (prefers-reduced-motion:reduce){.sb-card{transition:none}}.article-content ul.sb-grid,.article-content ul.shape-guide{margin-left:0;padding-left:0;list-style:none;display:grid}.article-content ul.sg-strip{flex-direction:row;margin-left:0;padding-left:0;list-style:none;display:flex}.article-content ul.shape-guide{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:12px}@media (max-width:559px){.article-content ul.shape-guide{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}.article-content ul.sb-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}@media (min-width:700px){.article-content ul.sb-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.article-content .sb-grid>li,.article-content .shape-guide>li,.article-content .sg-strip>li{margin:0;padding:0}@media (max-width:559px){.shape-stage{height:92px}.shape-stage svg{width:60px;height:60px}.shape-text{padding:10px 12px 12px}.shape-text strong{font-size:13.5px}.shape-text small{font-size:11.5px}}.rs-hero{background:radial-gradient(120% 90% at 85% 10%, #14594a 0%, var(--forest) 55%);color:#e7f8f0;position:relative;overflow:hidden}.rs-bg{fill:none;stroke:#ffffff14;stroke-width:2px;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.rs-hero:before{content:"";pointer-events:none;background-image:radial-gradient(circle at 1px 1px,#ffffff12 1px,#0000 0);background-size:24px 24px;position:absolute;inset:0}.rs-hero-inner{align-items:center;gap:28px;width:100%;max-width:1080px;margin:0 auto;padding:28px 20px 40px;display:grid;position:relative}@media (min-width:700px) and (max-width:899px){.rs-hero-inner{grid-template-columns:minmax(0,1fr) 320px;gap:32px;padding:48px 24px 56px}.rs-art{margin:0}}@media (min-width:900px){.rs-hero-inner{grid-template-columns:minmax(0,1fr) 480px;gap:64px;min-height:440px;padding:80px 20px 88px}}.rs-hero .crumbs,.rs-hero .crumbs a{color:#e7f8f0d9}.rs-hero .crumbs{margin-bottom:14px}.rs-title{letter-spacing:-.03em;color:#fff;text-wrap:balance;max-width:12ch;margin:0 0 14px;font-size:clamp(34px,6vw,54px);line-height:1.05}.rs-sub{color:#e7f8f0e6;max-width:30ch;margin:0 0 26px;font-size:clamp(16px,2vw,19px);line-height:1.5}.rs-hero .cta{width:auto}.rs-art{grid-template-rows:repeat(2,auto);grid-template-columns:repeat(6,1fr);place-items:center;gap:10px;display:grid;position:relative}.rs-sign{background:#fff;border-radius:22px;padding:10px;box-shadow:0 14px 30px #0000004d}.rs-sign .road-sign{width:100%;height:auto;display:block}.rs-sign:first-child{grid-area:1/1/3/4;width:100%;max-width:190px;transform:rotate(-4deg)}.rs-sign:nth-child(2){grid-area:1/4/auto/7;width:100%;max-width:120px;transform:rotate(5deg)}.rs-sign:nth-child(3){grid-area:2/4/auto/7;justify-self:start;width:100%;max-width:110px;transform:rotate(-3deg)}.rs-count{background:var(--cream);color:var(--forest);font:800 13px/1 var(--mono);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;grid-area:3/1/auto/4;place-self:start;margin-top:4px;padding:7px 14px;box-shadow:0 8px 18px #00000040}@media (max-width:899px){.rs-art{max-width:360px;margin-inline:auto}}@media (min-width:900px){.rs-art{gap:14px}.rs-sign:first-child{max-width:250px}.rs-sign:nth-child(2){max-width:150px}.rs-sign:nth-child(3){max-width:120px}.article-content.rs-page{max-width:1080px;margin-inline:auto}.rs-page>p,.rs-page>h2,.rs-page .faq-wrap,.rs-page .sg-sources,.rs-page .sg-table-fold{max-width:760px}}@media (min-width:1000px){.article-content.rs-page ul.sb-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.article-content.rs-page ul.shape-guide{grid-template-columns:repeat(4,minmax(0,1fr))}}.rs-sign.rs-plate{aspect-ratio:1;font:800 clamp(26px, 6vw, 44px)/1 var(--mono);letter-spacing:.02em;color:var(--forest);place-items:center;display:grid}.rs-art .rs-sign.rs-plate:first-child{max-width:170px;font-size:54px}.rs-art .rs-sign.rs-plate:nth-child(2){max-width:112px;font-size:38px}.rs-art .rs-sign.rs-plate:nth-child(3){max-width:104px;font-size:34px}@media (min-width:900px){.rs-art .rs-sign.rs-plate:first-child{max-width:230px;font-size:72px}.rs-art .rs-sign.rs-plate:nth-child(2){max-width:140px;font-size:48px}.rs-art .rs-sign.rs-plate:nth-child(3){max-width:120px;font-size:42px}}.sb-card .road-sign{justify-content:center;align-items:center;width:100%;height:92px;display:flex}.sb-card .road-sign svg,.sb-card .road-sign img{width:auto;max-width:100%;height:100%}@media (max-width:699px){.rs-art .rs-sign.rs-plate:first-child{max-width:190px;font-size:62px}.rs-art .rs-sign.rs-plate:nth-child(2){max-width:126px;font-size:44px}.rs-art .rs-sign.rs-plate:nth-child(3){max-width:116px;font-size:40px}}