:root{--bg:#f8f7f3;--ink:#151515;--muted:#62615d;--line:#e6e2da;--card:#fffdf8;--soft:#efebe2;--accent:#222;--radius:28px;--shadow:0 24px 70px rgba(20,20,20,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}main{overflow:hidden}.container{width:min(1180px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(248,247,243,.82);border-bottom:1px solid rgba(230,226,218,.8)}.nav-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}.logo-mark{width:34px;height:34px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-size:13px}.links{display:flex;align-items:center;gap:26px;color:var(--muted);font-size:15px}.links a:hover{color:var(--ink)}.searchbar{border-top:1px solid var(--line);padding:14px 0}.search-wrap{display:flex;gap:10px;max-width:720px}.search-wrap input{flex:1;border:1px solid var(--line);border-radius:999px;background:#fff;padding:13px 18px;font-size:15px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ink);border-radius:999px;padding:12px 22px;background:var(--ink);color:#fff;font-weight:650;transition:.25s}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.btn.ghost{background:transparent;color:var(--ink)}.hero{min-height:calc(100vh - 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