:root{--white:var(--surface);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;min-width:320px}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--green)}a:focus-visible,summary:focus-visible{outline:3px solid #ab7133;outline-offset:5px}p{line-height:1.85}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.1rem,4.5vw,3.8rem);line-height:1.3;letter-spacing:-.055em;font-weight:750}h2{font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.4;letter-spacing:-.035em}h3{font-size:1.12rem;line-height:1.6}main,.site-nav,.site-footer{max-width:1200px;margin:auto;padding-left:36px;padding-right:36px}.site-nav{display:flex;align-items:center;justify-content:space-between;min-height:94px;gap:24px;border-bottom:1px solid var(--line)}.site-nav a{text-decoration:none;font-size:14px}.site-nav .brand{font-size:18px;font-weight:750;letter-spacing:-.04em}.site-nav>div{display:flex;align-items:center;gap:30px}.nav-app{border:1px solid var(--line);padding:10px 16px;border-radius:6px}.skip-link{position:absolute;top:-100px;padding:12px;background:white;z-index:9}.skip-link:focus{top:0}.hero{display:grid;grid-template-columns:1fr 1.04fr;gap:52px;align-items:center;padding:86px 0 68px}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:650;color:var(--green);margin-bottom:20px}.hero h1 span{color:var(--green)}.lead{font-size:17px;color:var(--muted);max-width:700px;line-height:1.95}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 20px}.button{display:inline-flex;justify-content:center;align-items:center;padding:14px 22px;border-radius:6px;background:var(--green);color:white;text-decoration:none;font-size:14px;font-weight:600;min-height:48px}.button:hover{background:#234630;color:white}.button.secondary{background:transparent;color:var(--ink);border:1px solid #c9cbbc}.quiet{font-size:12px;color:var(--muted);line-height:1.8}.board-preview{background:#e8eadd;border:1px solid #d4d8c8;border-radius:13px;padding:22px;box-shadow:0 18px 40px #2f45200d;transform:rotate(1deg)}.preview-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:650;font-size:15px;margin-bottom:26px}.pill{font-size:10px;font-weight:500;background:#f8faf1;border-radius:30px;padding:5px 9px}.preview-columns{display:grid;grid-template-columns:1fr 1fr;gap:13px}.day-label{font-size:10px;letter-spacing:.08em;font-weight:700}.day-label span{display:block;color:var(--muted);font-weight:400;margin-top:3px}.preview-card{background:var(--white);padding:15px;border:1px solid #dce0d2;border-radius:7px;margin-bottom:12px;min-height:119px}.preview-card h2{font-size:13px;letter-spacing:0;margin:11px 0 4px}.preview-card p{font-size:10px;color:var(--muted);line-height:1.7;margin-bottom:8px}.preview-card small{font-size:9px;color:var(--muted)}.badge{font-size:9px;padding:4px 7px;border-radius:4px}.badge.green{background:#e7eddf;color:#416643}.badge.blue{background:#e3edf0;color:#426c7c}.badge.ochre{background:#f5e8cf;color:#836327}.preview-footer{display:flex;justify-content:space-between;font-size:10px;border-top:1px solid #d0d5c4;padding-top:14px;margin-top:7px;color:var(--green)}.preview-caption{font-size:9px;text-align:center;color:var(--muted);margin:12px 0 0}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.feature-strip span{font-size:11px;color:var(--muted)}.feature-strip h2{font-size:17px;margin:10px 0}.feature-strip p{font-size:13px;color:var(--muted);margin:0;max-width:280px}.section{padding-top:68px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-heading h2{margin:0}.section-heading .eyebrow{margin-bottom:10px}.section-heading>a{font-size:13px;white-space:nowrap}.template-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.template-card{background:#eee5d4;border:1px solid #dfd6c4;border-radius:9px;padding:23px;display:flex;flex-direction:column}.template-card.green{background:#e8ebdf;border-color:#d5ddcb}.template-card.blue{background:#e5eaf0;border-color:#d0d9e3}.card-top{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-bottom:34px;letter-spacing:.1em}.template-card h3 a{text-decoration:none}.template-card h3{margin-bottom:12px}.template-card p{font-size:13px;color:#5e6258;flex:1}.card-bottom{display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid #00000014;margin-top:18px;padding-top:18px;font-size:11px}.card-bottom a{font-size:12px}.guide-list>a{display:flex;align-items:center;gap:24px;text-decoration:none;border-bottom:1px solid var(--line);padding:25px 0}.guide-list>a>div{flex:1}.guide-list h3{font-size:16px;margin:0 0 5px}.guide-list p{font-size:13px;color:var(--muted);margin:0}.guide-number{font-family:monospace;font-size:17px;color:#888e7e}.faq{max-width:780px}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{cursor:pointer;font-size:15px;font-weight:600}.faq details p{font-size:14px;color:var(--muted);margin:15px 0 0}.site-footer{margin-top:80px;border-top:1px solid var(--line);padding-top:32px;padding-bottom:38px;display:grid;grid-template-columns:1fr 1fr;gap:24px}.site-footer strong{font-size:15px}.site-footer p{font-size:12px;color:var(--muted);margin:8px 0 0}.site-footer>div:nth-child(2){display:flex;justify-content:flex-end;align-items:start;gap:24px;font-size:12px}.footer-note{grid-column:1/-1}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--muted);padding-top:28px;line-height:1.8}.breadcrumbs a{text-decoration:none}.page-intro{padding:56px 0 35px;max-width:850px}.page-intro h1{font-size:clamp(2rem,4vw,3rem)}.page-intro .lead{max-width:720px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:65px;align-items:start}.prose{min-width:0}.prose section{margin-bottom:38px}.prose h2{font-size:22px;margin-bottom:16px}.prose p{font-size:15px;color:#53594e}.prose a{font-size:14px}.use-panel{position:sticky;top:25px;border:1px solid #d7ddcb;background:#e8ebdf;border-radius:9px;padding:28px}.use-panel h2{font-size:24px}.use-panel>p{font-size:13px;color:#53594e}.use-panel .button{width:100%}.use-panel>a:last-child:not(.button){font-size:12px}.day-section{padding-top:28px;border-top:1px solid var(--line)}.day-section .eyebrow{margin-bottom:10px}.stops{padding-left:22px}.stops li{padding:4px 0 10px 8px}.stops h3{font-size:16px;margin-bottom:7px}.stops h3 span{display:block;font-size:11px;font-weight:400;color:var(--muted)}.stops p{font-size:14px;margin-bottom:0}.source-note{border-top:1px solid var(--line);padding-top:26px}.source-note p,.source-note a{font-size:12px}.source-note li{padding:5px 0}.collection-note{font-size:13px;color:var(--muted);margin-top:26px}@media(max-width:900px){.hero{gap:25px;padding:55px 0}.article-layout{gap:32px;grid-template-columns:minmax(0,1fr) 255px}.template-grid{grid-template-columns:repeat(2,1fr)}.template-card:last-child:nth-child(3){grid-column:1/-1}.site-nav>div{gap:18px}}@media(max-width:650px){main,.site-nav,.site-footer{padding-left:20px;padding-right:20px}.site-nav{min-height:78px;flex-wrap:wrap;gap:10px;padding-top:16px;padding-bottom:16px}.site-nav .brand{font-size:16px}.site-nav>div{width:100%;justify-content:space-between;gap:12px}.site-nav a{font-size:12px}.nav-app{padding:7px 10px}.hero{grid-template-columns:1fr;padding:40px 0;gap:25px}.hero h1{font-size:40px}.lead{font-size:15px}.board-preview{transform:none;padding:17px}.feature-strip{grid-template-columns:1fr;gap:24px}.feature-strip p{max-width:none}.section{padding-top:45px}.section-heading{align-items:start}.template-grid{grid-template-columns:1fr}.template-card:last-child:nth-child(3){grid-column:auto}.card-top{margin-bottom:22px}.guide-list>a{gap:14px}.guide-list p{font-size:12px}.site-footer{grid-template-columns:1fr;margin-top:55px}.site-footer>div:nth-child(2){justify-content:flex-start;flex-wrap:wrap}.article-layout{display:flex;flex-direction:column;gap:25px}.use-panel{position:static;width:100%;order:-1}.use-panel h2 br{display:none}.page-intro{padding-top:32px}.page-intro h1{font-size:31px}.prose h2{font-size:21px}.actions .button{padding:13px 17px}.breadcrumbs{font-size:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Shared controls and interaction states */
.button,.nav-app,.template-card,.guide-list>a{transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.button,.nav-app{border-radius:var(--radius-sm)}
.button:hover{background:var(--green-hover)}
.button.secondary:hover,.nav-app:hover{background:#e8ebdf;border-color:var(--green);color:var(--green)}
.template-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card)}
.guide-list>a:hover{color:var(--green)}
.board-preview,.template-card,.use-panel{border-radius:var(--radius-lg)}
.preview-card{border-radius:var(--radius-sm)}
:where(a,button,summary):focus-visible{outline:3px solid var(--focus);outline-offset:3px}
@media(prefers-reduced-motion:reduce){.button,.nav-app,.template-card,.guide-list>a{transition:none}.template-card:hover{transform:none}}