:root{color-scheme:light;--paper:#fffaf1;--cream:#f7ead5;--ink:#493a32;--muted:#796b61;--leaf:#52795a;--coral:#e58c72;--line:#e8d9c3;--white:#fffdfa}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 5% 12%,#f8e3c7 0,transparent 29rem),radial-gradient(circle at 96% 30%,#e6edda 0,transparent 25rem),var(--paper);color:var(--ink);font:16px/1.78 -apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC",sans-serif}a{color:#426b4c}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--leaf);outline-offset:3px}.site-header{background:#fffaf1e8;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;backdrop-filter:blur(12px)}.nav{max-width:1060px;min-height:72px;margin:auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;text-decoration:none;white-space:nowrap}.brand img{width:38px;height:38px;border-radius:11px}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:3px;flex-wrap:wrap}.nav-links a,.language-switch button{border:0;border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:14px;text-decoration:none;padding:7px 11px;cursor:pointer}.nav-links a[aria-current],.language-switch button[aria-pressed=true],.nav-links a:hover,.language-switch button:hover{background:#ecf1e5;color:#3e6848}.language-switch{display:inline-flex;border-left:1px solid var(--line);padding-left:7px;margin-left:3px}.hero{max-width:880px;margin:0 auto;padding:76px 24px 38px;text-align:center}.eyebrow{color:var(--leaf);font-size:13px;font-weight:800;letter-spacing:.17em;text-transform:uppercase;margin:0 0 8px}.hero h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(40px,6vw,66px);line-height:1.24;letter-spacing:.02em;margin:0}.subtitle{font-size:17px;color:var(--muted);max-width:610px;margin:15px auto 0}.meta{display:inline-block;border:1px solid var(--line);border-radius:30px;background:#fffaf4;margin-top:24px;padding:4px 14px;color:var(--muted);font-size:13px}.flourish{display:flex;align-items:center;justify-content:center;gap:12px;margin:28px auto 0;color:var(--leaf)}.flourish:before,.flourish:after{content:"";width:70px;height:1px;background:var(--line)}.wrap{max-width:1060px;margin:0 auto 80px;padding:0 24px}.page-shell{display:grid;grid-template-columns:210px minmax(0,1fr);align-items:start;gap:24px}.toc{position:sticky;top:94px;padding:20px 18px;border:1px solid var(--line);border-radius:18px;background:#fffaf6}.toc strong{font-size:14px}.toc a{display:block;font-size:14px;text-decoration:none;color:var(--muted);padding:5px 0}.toc a:hover{color:var(--leaf)}.document,.support-card,.landing-card{background:var(--white);border:1px solid var(--line);border-radius:24px;box-shadow:0 16px 48px #806c4c12}.document{padding:clamp(24px,5vw,52px)}.document h2,.support-card h2{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:25px;line-height:1.35;margin:36px 0 10px;scroll-margin-top:95px}.document h2:first-child,.support-card h2:first-child{margin-top:0}.document p{margin:10px 0}.document ul{padding-left:23px}.document li{margin:5px 0}.notice{background:#f2f4e8;border-left:4px solid #7b9b72;border-radius:8px;padding:14px 18px;margin:0 0 28px!important}.support-card{padding:clamp(24px,5vw,50px)}.support-grid,.landing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact-item,.landing-card{padding:22px;background:#fff9ef}.contact-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:50%;background:#eaf0df;color:var(--leaf);font-size:19px}.contact-item h3{font-size:17px;margin:12px 0 4px}.contact-item p{font-size:14px;color:var(--muted);margin:0;overflow-wrap:anywhere}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted);margin:8px 0 0}.landing-card{text-decoration:none;color:var(--ink);min-height:175px;transition:transform .2s,box-shadow .2s}.landing-card:hover{transform:translateY(-3px);box-shadow:0 20px 50px #806c4c20}.landing-card h2{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:24px;margin:14px 0 5px}.landing-card p{color:var(--muted);margin:0;font-size:14px}.site-footer{text-align:center;color:var(--muted);font-size:13px;padding:22px 20px 40px;border-top:1px solid var(--line)}.site-footer a{margin:0 8px;text-decoration:none}[hidden]{display:none!important}
@media(max-width:790px){.page-shell{display:block}.toc{display:none}.support-grid,.landing-grid{grid-template-columns:1fr}.hero{padding-top:54px}.wrap{margin-bottom:52px}}
@media(max-width:560px){.nav{padding:9px 14px;gap:7px}.brand span{display:none}.nav-links a,.language-switch button{font-size:12px;padding:7px}.language-switch{padding-left:3px;margin-left:0}.hero{padding:42px 18px 28px}.wrap{padding:0 12px}.document,.support-card{border-radius:18px;padding:24px 19px}.hero h1{font-size:40px}.subtitle{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.landing-card{transition:none}}