:root{--ivory:#f8f3eb;--cream:#fffaf3;--oat:#e7d9cb;--rose:#c9a6a5;--mauve:#95868c;--coffee:#7d675c;--ink:#302a28;--muted:#756b67;--line:rgba(90,70,58,.16);--card:rgba(255,250,243,.78);--shadow:0 24px 60px rgba(86,63,52,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Serif SC","Songti SC","Microsoft YaHei",serif;background:linear-gradient(180deg,var(--ivory),#fffaf5 42%,#f1e6dc);color:var(--ink);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}header{position:sticky;top:0;z-index:50;background:rgba(248,243,235,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{max-width:1220px;margin:auto;padding:18px 24px;display:flex;align-items:center;gap:28px}.logo{font-weight:800;letter-spacing:.16em;font-size:24px;display:flex;align-items:center;gap:10px}.logo-mark{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,var(--rose) 48%,var(--coffee));box-shadow:0 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