:root{color-scheme:light;--ink:#193e34;--muted:#697f77;--green:#008765;--line:#dbe8e2;--wash:#f4f8f5;--soft:#edf7f1;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--wash);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;line-height:1.75}a{color:var(--green);text-underline-offset:4px}a:hover{color:#005f48}a:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid #50b79b;outline-offset:5px}.shell{width:min(1120px,calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;left:16px;top:-70px;background:white;padding:10px 16px;z-index:100}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:10;background:#fffffff5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-size:17px;font-weight:750;line-height:1.4}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:450;letter-spacing:1px;margin-top:4px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--green);color:#fff;flex:none}.brand-mark svg{width:25px;height:25px}.header-inner nav{display:flex;gap:25px;align-items:center;font-size:13px}.header-inner nav a{text-decoration:none}.back-link{color:var(--ink)}.breadcrumb{display:flex;gap:12px;font-size:12px;color:var(--muted);margin:32px 0 24px}.breadcrumb a{text-decoration:none;color:inherit}.intro{padding:0 0 34px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);font-weight:750}h1{font-size:clamp(30px,4.2vw,46px);line-height:1.24;letter-spacing:-1px;margin:12px 0 18px}.lead{color:var(--muted);font-size:15px;margin:0 0 20px}.guide-meta{display:flex;flex-wrap:wrap;gap:8px}.guide-meta span{font-size:11px;border:1px solid var(--line);background:white;border-radius:99px;padding:4px 10px}.guide-layout{display:grid;grid-template-columns:minmax(0,824px)220px;gap:32px;align-items:start}.guide-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:0 8px 24px #1d573505;min-width:0}.guide-card>section{margin-top:34px}.guide-card p{font-size:14px;line-height:1.9;margin:12px 0;color:#405e54}.guide-card li{font-size:14px;margin:8px 0;color:#405e54}.guide-card h2{font-size:21px;line-height:1.45;letter-spacing:-.3px;margin:0 0 16px}.scope-note{border:1px solid #c8e4d7;background:var(--soft);border-radius:12px;padding:16px 20px}.scope-note strong{color:var(--green);font-size:13px}.scope-note p{margin:4px 0 0;font-size:13px}.section-heading{display:flex;align-items:center;gap:10px;margin-bottom:12px}.section-heading h2{margin:0}.section-mark{font-size:10px;width:26px;height:26px;display:grid;place-items:center;background:var(--soft);border-radius:8px;color:var(--green)}video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#10271f;border-radius:12px;margin-top:18px}.check-list{padding-left:20px}.credential-note{background:#fff9ed;border:1px solid #eddfc0;border-radius:12px;padding:15px 18px;margin-top:20px}.credential-note strong{font-size:13px;color:#8a5b10}.credential-note p{margin:4px 0 0;font-size:12px;color:#7e6844}.step{border-top:1px solid var(--line);padding-top:30px;margin-top:30px}.step-heading{display:flex;align-items:center;gap:13px;margin-bottom:16px}.step-number{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--soft);color:var(--green);font-size:12px;font-weight:750;flex:none}.step h3{font-size:18px;line-height:1.45;margin:0}figure{margin:20px 0}figure a{display:block;border:1px solid var(--line);border-radius:12px;background:#f7f9f8;overflow:hidden}figure img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain}figcaption{font-size:11px;color:var(--muted);text-align:center;line-height:1.6;margin-top:9px}.resource-link{display:block;border:1px solid #bedfce;border-radius:12px;padding:13px 18px;background:#f8fcf9;text-decoration:none;font-size:13px;font-weight:700}.resource-link span{float:right}.resource-link small{display:block;font-size:12px;font-weight:400;overflow-wrap:anywhere;color:var(--muted);margin-top:2px}.guide-card .hint{font-size:12px;color:var(--muted)}code{background:var(--soft);border-radius:4px;padding:1px 5px;font-size:.95em}.shortcut{background:var(--wash);border:1px solid var(--line);border-radius:10px;padding:12px 16px;display:grid;gap:8px;font-size:12px}kbd{font-family:inherit;border:1px solid #d5e1da;border-bottom-width:2px;border-radius:4px;padding:1px 5px;background:#fff}#help{padding-top:30px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:16px 0}summary{font-size:14px;font-weight:600;cursor:pointer;list-style:none;padding-right:22px;position:relative}summary::after{content:"＋";position:absolute;right:0;color:var(--green)}details[open] summary::after{content:"−"}summary::-webkit-details-marker{display:none}details p{padding-right:15px}.article-actions{border-top:1px solid var(--line);padding-top:26px;margin-top:30px;display:flex;align-items:center;flex-wrap:wrap;gap:20px;font-size:12px}.article-actions a{text-decoration:none}.button{display:inline-block;padding:10px 18px;background:var(--green);color:white;border-radius:9px;font-weight:650}.button:hover{background:#006f52;color:white}.side-nav{position:sticky;top:110px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:22px}.side-title{font-size:12px;font-weight:700;margin:0 0 12px;color:var(--ink)}.side-nav nav{display:grid;gap:4px}.side-nav nav a{padding:6px 0;text-decoration:none;font-size:12px;color:var(--muted)}.side-nav nav a:hover{color:var(--green)}.side-note{padding-top:18px;margin-top:14px;border-top:1px solid var(--line)}.side-note strong{font-size:12px}.side-note p{font-size:11px;color:var(--muted);line-height:1.8;margin:6px 0 15px}.side-back{font-size:11px;text-decoration:none}.site-footer{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted);padding-block:28px 36px}.site-footer a{color:inherit;text-decoration:none}
@media(max-width:900px){.guide-layout{grid-template-columns:minmax(0,1fr)}.side-nav{display:none}.intro{padding-bottom:28px}.guide-card{padding:28px}.shell{width:min(780px,calc(100% - 40px))}}
@media(max-width:520px){html{scroll-padding-top:82px}.shell{width:calc(100% - 28px)}.header-inner{min-height:66px;gap:12px}.brand{font-size:14px;gap:8px}.brand-mark{width:33px;height:33px;border-radius:10px}.brand-mark svg{width:22px;height:22px}.brand small{font-size:9px;letter-spacing:.5px}.header-inner nav{gap:13px;font-size:11px}.breadcrumb{margin:23px 0 18px;font-size:11px}h1{font-size:30px;letter-spacing:-.8px;margin:10px 0 14px}.lead{font-size:13px;max-width:300px;margin-bottom:16px}.guide-meta{gap:5px}.guide-meta span{font-size:10px;padding:3px 8px}.intro{padding-bottom:22px}.guide-card{border-radius:15px;padding:20px 16px}.scope-note{padding:13px 14px}.guide-card p,.guide-card li{font-size:13px}.scope-note p{font-size:12px}.guide-card h2{font-size:18px}.section-heading{gap:8px}.section-mark{width:23px;height:23px;flex:none}.step{padding-top:24px;margin-top:24px}.step-heading{gap:10px}.step h3{font-size:16px}.step-number{width:29px;height:29px;font-size:11px}.credential-note{padding:13px 14px}.credential-note p,.guide-card .hint{font-size:11px}.shortcut{font-size:11px;padding:12px}.resource-link small{font-size:11px}.article-actions{gap:16px;font-size:11px}summary{font-size:13px}.site-footer{font-size:10px;flex-wrap:wrap;padding-block:22px 28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}