:root{--bg:#fcfbf6;--surface:#fff;--ink:#20272b;--ink-2:#52606a;--ink-3:#6d7a84;--line:#ece7db;--accent:#38bdf8;--accent-strong:#0d7db3;--accent-soft:#e3f5ff;--clay:#ff8a5c;--clay-ink:#c25a2e;--sage:#5ec9a6;--memory:#a99bf2;--pad:max(24px, calc((100vw - 1120px) / 2));--font-serif:"Source Han Serif SC", "Noto Serif SC", "Songti SC", "STZhongsong", "SimSun", serif;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.7}h1,h2,h3,p,ul,ol{margin:0;padding:0}ul,ol{list-style:none}a{color:inherit;text-decoration:none}.svg-sprite{width:0;height:0;position:absolute;overflow:hidden}.icon{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:1em;height:1em}.nav{z-index:20;padding:10px var(--pad);-webkit-backdrop-filter:blur(14px);background:#fcfbf6d9;border-bottom:1px solid #ece7dbcc;justify-content:space-between;align-items:center;gap:24px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;display:inline-flex}.brand-logo{width:auto;height:56px;display:block}.footer-logo{height:48px}.brand-copy{flex-direction:column;line-height:1.25;display:flex}.brand-copy strong{letter-spacing:.02em;font-size:15px}.brand-copy small{color:var(--ink-3);letter-spacing:.08em;font-size:11px}.nav-links{color:var(--ink-2);align-items:center;gap:30px;font-size:14px;display:flex}.nav-links a{transition:color .2s}.nav-links a:hover{color:var(--ink)}.nav-cta{background:var(--accent-strong);border-radius:999px;padding:9px 18px;font-size:13px;transition:background .2s;color:#fff!important}.nav-cta:hover{background:var(--accent)}.hero{padding:clamp(64px, 8vw, 112px) var(--pad) clamp(72px, 9vw, 120px);background:radial-gradient(110% 80% at 88% 6%,#38bdf82e,#0000 62%),radial-gradient(80% 60% at 4% 96%,#ff8a5c1a,#0000 60%);grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(40px,6vw,80px);display:grid}.eyebrow{letter-spacing:.22em;color:var(--ink-3);text-transform:uppercase;font-size:12px}.hero h1{font-family:var(--font-serif);letter-spacing:.01em;margin-top:22px;font-size:clamp(2.4rem,5.4vw,4.2rem);font-weight:600;line-height:1.2}.accent{color:var(--accent-strong)}.lead{max-width:30em;color:var(--ink-2);margin-top:26px;font-size:16.5px;line-height:1.9}.actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.btn{border-radius:999px;align-items:center;gap:10px;padding:13px 24px;font-size:14.5px;transition:transform .2s,background .2s,color .2s,border-color .2s;display:inline-flex}.btn .icon{font-size:15px}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--accent-strong);color:#fff}.btn-primary:hover{background:#0a6a98}.btn-ghost{border:1px solid var(--line);color:var(--ink-2);background:0 0}.btn-ghost:hover{border-color:var(--ink-3);color:var(--ink)}.hero-facts{color:var(--ink-3);flex-wrap:wrap;gap:8px 24px;margin-top:40px;font-size:13px;display:flex}.hero-facts li{align-items:center;gap:8px;display:inline-flex}.dot{border-radius:50%;flex:none;width:7px;height:7px;display:inline-block}.dot-main{background:var(--clay)}.dot-ink{background:var(--ink-2)}.dot-sage{background:var(--sage)}.dot-memory{background:var(--memory)}.hero-visual{position:relative}.map-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px 24px 18px;position:relative;box-shadow:0 24px 60px -32px #191b1a47}.map-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:16px;display:flex}.map-title{letter-spacing:.04em;font-size:15px;font-weight:600}.map-sub{color:var(--ink-3);margin-top:2px;font-size:12px}.map-state{background:var(--accent-soft);color:var(--accent-strong);letter-spacing:.06em;border-radius:999px;padding:3px 10px;font-size:11.5px}.story-map{padding:12px 0 8px;position:relative}.story-map:before{content:"";background:var(--line);width:1px;position:absolute;top:26px;bottom:30px;left:11px}.node{align-items:center;gap:14px;padding:11px 0 11px 34px;display:flex;position:relative}.node-dot{background:var(--surface);border:2px solid var(--line);border-radius:50%;width:15px;height:15px;margin-top:-7.5px;position:absolute;top:50%;left:4px}.node div{flex-direction:column;line-height:1.35;display:flex}.node strong{font-size:14.5px;font-weight:600}.node small{color:var(--ink-3);font-size:11.5px}.node em{letter-spacing:.14em;color:var(--ink-3);margin-left:auto;font-size:10.5px;font-style:normal}.node.is-done .node-dot{border-color:var(--ink-3)}.node.is-active .node-dot{border-color:var(--clay);background:var(--clay)}.node.is-active small{color:var(--clay-ink)}.node.is-merge .node-dot{border-color:var(--accent-strong);box-shadow:0 0 0 4px #38bdf833}.node-branch{margin-left:24px}.node-branch:after{content:"";border-top:1px dashed var(--line);width:24px;position:absolute;top:50%;left:-13px}.node-branch .node-dot{border-color:var(--sage);border-style:dashed}.map-foot{border-top:1px solid var(--line);color:var(--ink-3);gap:20px;padding-top:14px;font-size:12px;display:flex}.map-foot span{align-items:center;gap:7px;display:inline-flex}.float-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;align-items:center;gap:12px;padding:14px 18px 14px 14px;display:flex;position:absolute;bottom:-30px;left:-26px;box-shadow:0 18px 40px -24px #191b1a4d}.float-avatar{background:var(--accent-soft);width:36px;height:36px;color:var(--accent-strong);font-family:var(--font-serif);border-radius:50%;place-items:center;font-size:15px;display:grid}.float-card div{flex-direction:column;line-height:1.4;display:flex}.float-card strong{font-size:13px;font-weight:600}.float-card small{color:var(--ink-3);font-size:11.5px}.version{border:1px solid 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