:root{--bg:#f7f4ed;--surface:#fffdf8;--ink:#24322d;--muted:#748079;--green:#1f4a3d;--green2:#2f6756;--brown:#7b5e45;--line:#e6dfd4;--sand:#eee5d7;--accent:#d9a85d;--danger:#b94343;--radius:18px;--shadow:0 16px 45px rgba(43,53,48,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.announcement{background:var(--green);color:#eef6f2;text-align:center;padding:8px 16px;font-size:13px;letter-spacing:.04em}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,244,237,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,223,212,.8)}.nav-row{height:78px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark{width:44px;height:44px;border-radius:14px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;letter-spacing:.04em}.brand b{display:block;font-size:17px}.brand 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