:root{color-scheme:dark;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft Yahei",sans-serif;--ink:#071c27;--cyan:#5de6f6;--white:#f1f9fb;--muted:#a2bfcc;--line:#2b4d5d}
*{box-sizing:border-box}body{margin:0;background:#071c27;color:var(--white);font-size:16px;line-height:1.75}a{color:var(--cyan);text-underline-offset:5px}a:focus-visible,summary:focus-visible{outline:3px solid #eaff92;outline-offset:5px}header,main,footer{max-width:1080px;margin:auto;padding:0 32px}header{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;font-weight:750;color:var(--white);text-decoration:none}.brand-mark{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--cyan);color:var(--ink);border-radius:12px;font-size:30px;font-weight:900;letter-spacing:-2px}.guide-hero{display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:64px;padding:32px 0 56px}.eyebrow{font-size:14px;letter-spacing:1px;color:var(--cyan);font-weight:650}h1{font-size:clamp(36px,5.2vw,62px);line-height:1.12;letter-spacing:-2px;margin:22px 0}h2{font-size:28px;line-height:1.4;letter-spacing:-.5px;margin:0 0 20px}h3{font-size:18px;line-height:1.5;margin:0 0 8px}p{color:#c5dce5;margin:0 0 20px}.lead{font-size:18px}.play-link{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:10px 24px;background:#eaff92;color:#143322;border-radius:12px;font-size:17px;font-weight:750;text-decoration:none}.play-link:hover{background:#f2ffbc}.small{font-size:14px;color:var(--muted);margin-top:14px}figure{margin:0;max-width:330px;justify-self:end}figure img{display:block;width:100%;height:auto;border:1px solid #438796;border-radius:18px}figcaption{font-size:14px;line-height:1.65;color:var(--muted);margin:12px 3px 0}.guide-section{padding:40px 0;border-top:1px solid var(--line)}.guide-section>p{max-width:82ch}.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;list-style:none;counter-reset:rule;padding:0;margin:28px 0}.rules li{counter-increment:rule}.rules li:before{content:'0' counter(rule);display:block;color:var(--cyan);font-size:24px;margin-bottom:12px}.rules p{color:var(--muted)}table{width:100%;border-collapse:collapse;margin-top:28px;text-align:left;font-variant-numeric:tabular-nums}th,td{padding:15px 12px;border-bottom:1px solid var(--line)}thead th{font-size:14px;color:var(--muted);font-weight:500}tbody th{font-weight:550}td:last-child{color:#eaff92;font-weight:700}.track-number{display:inline-block;color:var(--muted);min-width:40px;font-weight:400}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600;font-size:17px;padding-right:12px}.faq details p{margin:14px 0 4px;max-width:85ch}.closing{padding:32px 0 56px}.closing h2{margin-bottom:22px}footer{display:flex;flex-wrap:wrap;gap:12px 24px;padding-top:24px;padding-bottom:32px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}footer span{margin-right:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:720px){header,main,footer{padding-left:20px;padding-right:20px}header{min-height:78px}.guide-hero{grid-template-columns:1fr;gap:24px;padding-top:18px;padding-bottom:32px}h1{letter-spacing:-1px;margin:16px 0}.lead{font-size:17px}figure{justify-self:center;max-width:280px}.rules{grid-template-columns:1fr;gap:8px}.rules li{position:relative;padding-left:42px}.rules li:before{position:absolute;left:0;top:0;font-size:20px}.guide-section{padding:30px 0}h2{font-size:24px}th,td{padding:12px 6px;font-size:14px}.track-number{min-width:30px}footer span{flex-basis:100%}}