:root{color:#172026;background:#f6f3ed;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button{font:inherit}.workspace{min-height:100vh;background:linear-gradient(135deg,rgba(46,111,115,.13),transparent 34%),linear-gradient(315deg,rgba(199,83,69,.14),transparent 38%),#f6f3ed}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,460px);gap:56px;align-items:center;width:min(1120px,calc(100% - 40px));min-height:78vh;margin:0 auto;padding:72px 0 40px}.hero-copy{max-width:680px}.eyebrow{margin:0 0 16px;color:#2e6f73;font-size:.88rem;font-weight:800;letter-spacing:0}h1,h2,p{margin-top:0}h1{max-width:760px;margin-bottom:22px;color:#101820;font-size:clamp(2.5rem,6vw,5.4rem);line-height:.98;letter-spacing:0}.lede{max-width:640px;margin-bottom:32px;color:#52606a;font-size:.98rem;line-height:1.68}.actions{display:flex;flex-wrap:wrap;gap:14px}.actions button{min-height:46px;border:1px solid transparent;border-radius:8px;padding:0 20px;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.actions button:hover{transform:translateY(-1px)}.primary{background:#c75345;color:#fff;box-shadow:0 12px 28px #c753453d}.ghost{background:#ffffffb8;border-color:#17202629;color:#172026}.preview-panel{border:1px solid rgba(23,32,38,.14);border-radius:8px;background:#ffffffbd;box-shadow:0 24px 64px #1720261f;overflow:hidden}.panel-topbar{display:flex;gap:8px;padding:16px;background:#172026}.panel-topbar span{width:10px;height:10px;border-radius:999px;background:#f0c85a}.panel-topbar span:first-child{background:#c75345}.panel-topbar span:last-child{background:#55a36c}.comment-card{margin:18px;border:1px solid rgba(23,32,38,.1);border-radius:8px;padding:18px;background:#fff}.comment-card.active{border-color:#2e6f7359;box-shadow:inset 4px 0 #2e6f73}.comment-card strong{display:block;margin-bottom:8px;color:#101820}.comment-card p{margin-bottom:0;color:#63727d;line-height:1.55}.board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;width:min(1120px,calc(100% - 40px));margin:0 auto;padding:0 0 72px}.board article{min-height:190px;border:1px solid rgba(23,32,38,.12);border-radius:8px;padding:24px;background:#ffffffad}.tag{display:inline-flex;margin-bottom:26px;border-radius:999px;padding:6px 10px;background:#2e6f731c;color:#2e6f73;font-size:.78rem;font-weight:800}.board h2{margin-bottom:10px;font-size:1.35rem}.board p{margin-bottom:0;color:#63727d;line-height:1.65}@media(max-width:820px){.hero{grid-template-columns:1fr;gap:28px;padding-top:44px}h1{font-size:clamp(2.35rem,12vw,4rem)}.board{grid-template-columns:1fr}}