:root{--bg: #f7f5f0;--surface: #ffffff;--ink: #211d1a;--ink-soft: #55504a;--ink-faint: #8a847c;--line: #e6e1d8;--accent: #b4432f;--accent-soft: #f6e5e0;--accent-ink: #8d3021;--radius: 14px;--maxw: 1080px;font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,-apple-system,system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:84px}body{background:var(--bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.nav{position:fixed;top:0;left:0;right:0;z-index:20;transition:background .25s ease,box-shadow .25s ease}.nav-scrolled{background:#f7f5f0eb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--accent);color:#fff;font-size:15px}.nav-links{display:flex;gap:4px;overflow-x:auto}.nav-links a{padding:6px 12px;border-radius:999px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:background .2s ease,color .2s ease}.nav-links a:hover{background:var(--accent-soft);color:var(--accent-ink)}.hero{position:relative;padding:148px 24px 72px;background:radial-gradient(ellipse 60% 50% at 85% 10%,rgba(180,67,47,.1),transparent),radial-gradient(ellipse 50% 60% at 5% 90%,rgba(180,67,47,.06),transparent);border-bottom:1px solid var(--line)}.hero-inner{max-width:var(--maxw);margin:0 auto}.hero-kicker{font-size:13px;letter-spacing:.24em;color:var(--accent);font-weight:600;margin-bottom:14px}.hero 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h2{font-size:clamp(26px,4.5vw,36px);font-weight:800;margin-top:6px;letter-spacing:.02em}.section-lead{color:var(--ink-soft);margin-bottom:24px}.block-title{font-size:17px;font-weight:700;margin:40px 0 16px;padding-left:12px;border-left:3px solid var(--accent);line-height:1.5}.block-title:first-of-type{margin-top:0}.resource-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.resource-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:6px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.resource-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 10px 28px #211d1a14}.resource-kind{align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;padding:2px 10px;border-radius:999px}.kind-doc{background:var(--accent-soft);color:var(--accent-ink)}.kind-video{background:#e3ecdf;color:#3d6034}.resource-title{font-weight:700;font-size:16px}.resource-url{font-size:12px;color:var(--ink-faint);word-break:break-all}.numbered{list-style:none;display:flex;flex-direction:column;gap:10px}.numbered li{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.numbered .num{font-size:14px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.9;flex-shrink:0}.numbered p{color:var(--ink-soft);font-size:15px}.grouped{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.grouped-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--accent-ink);background:var(--accent-soft);border-radius:999px;padding:2px 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var(--line);border-radius:var(--radius);padding:20px}.split-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}.split-label{font-weight:700;font-size:16px}.split-percent{font-size:28px;font-weight:800;color:var(--accent)}.bar{height:8px;border-radius:999px;background:var(--accent-soft);overflow:hidden}.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#d3684f)}.split-note{margin-top:10px;font-size:13.5px;color:var(--ink-faint)}.research{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}.research-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:12px}.research-card h3{font-size:17px;font-weight:800}.research-note{border-top:1px dashed var(--line);padding-top:12px;display:flex;flex-direction:column;gap:6px}.research-note p{font-size:13px;color:var(--ink-faint)}.roadmap{display:flex;flex-direction:column;gap:14px}.roadmap-item{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.roadmap-index{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;flex-shrink:0}.roadmap-item h3{font-size:17px;font-weight:800;margin-bottom:8px;line-height:36px}.footer{border-top:1px solid var(--line);padding:32px 24px 44px;text-align:center;color:var(--ink-faint);font-size:13.5px}@media (max-width: 640px){.nav-inner{padding:12px 16px}.hero{padding:116px 20px 52px}.hero-stats{grid-template-columns:repeat(2,1fr)}.main{padding:8px 20px 32px}.section{padding:44px 0 20px}.numbered li{gap:12px;padding:14px}.timeline-item{gap:14px}.roadmap-item{padding:18px;gap:14px}.roadmap-item 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