
:root{color-scheme:light;--ink:#171622;--paper:#f5f1e9;--line:#d6cdbc;--orange:#bd713d;--muted:#635f59;--blue:#354b68}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8}a{color:inherit}header{border-bottom:1px solid var(--line);background:rgba(245,241,233,.94)}.nav{max-width:1100px;margin:auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:18px;letter-spacing:.16em;text-decoration:none;font-weight:700}.brand small{display:block;font-size:11px;letter-spacing:.08em;color:var(--muted);font-weight:400}.back{font-size:13px;color:var(--muted);text-decoration:none}.wrap{max-width:900px;margin:0 auto;padding:72px 24px 90px}.kicker{margin:0 0 18px;color:var(--orange);font-size:13px;letter-spacing:.14em}.title{font-family:"Noto Serif SC","Songti SC",serif;font-weight:500;font-size:clamp(34px,6vw,64px);line-height:1.18;letter-spacing:.01em;margin:0 0 26px;max-width:850px}.dek{font-size:18px;color:var(--muted);max-width:760px;margin:0 0 34px}.answer{border-left:4px solid var(--orange);background:#ebe4d8;padding:24px 26px;font-size:20px;line-height:1.75;margin:0 0 52px}.section{border-top:1px solid var(--line);padding:34px 0}.section h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:28px;line-height:1.3;margin:0 0 14px}.section p{font-size:16px;margin:0;max-width:780px}.safety{background:#efe2d8;border:1px solid #d8b9a4;padding:22px 24px;margin-top:10px}.safety h2{font-family:inherit;font-size:16px;color:#7d3c27}.bridge{background:var(--ink);color:#fff;padding:30px 28px;margin:14px 0 40px}.bridge h2{font-family:"Noto Serif SC","Songti SC",serif;margin:0 0 12px;font-size:28px}.bridge p{color:rgba(255,255,255,.8);margin:0 0 20px}.button{display:inline-block;background:#e8b77b;color:var(--ink);padding:10px 16px;text-decoration:none;font-weight:700}.related{border-top:1px solid var(--line);padding-top:28px}.related h2{font-size:18px;margin:0 0 14px}.related ul{display:flex;flex-wrap:wrap;gap:10px 20px;padding:0;margin:0;list-style:none}.related a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;font-size:14px}footer{border-top:1px solid var(--line);padding:25px 24px 36px;color:var(--muted);font-size:12px}footer p{max-width:900px;margin:0 auto}.faq{border-top:1px solid var(--line);padding:28px 0}.faq h2{font-size:20px;margin:0 0 8px}.faq p{margin:0}.updated{font-size:12px;color:var(--muted);margin-top:40px}@media(max-width:600px){.wrap{padding:50px 18px 70px}.nav{padding:18px}.title{font-size:38px}.answer{font-size:17px;padding:18px 19px}.section h2{font-size:24px}.dek{font-size:16px}}
