:root{--paper:#f7f0e4;--paper2:#fffaf1;--ink:#171512;--muted:#6f685e;--gold:#a87527;--gold2:#d3b071;--line:rgba(145,102,37,.22);--soft:rgba(255,252,246,.86);--shadow:0 16px 45px rgba(86,59,21,.12);--radius:26px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:#eee6d8;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}button,input,textarea{font:inherit}button{cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}button:focus-visible{outline:2px solid var(--gold);outline-offset:3px}button:active:not(:disabled){transform:translateY(1px)}button:disabled{cursor:not-allowed}.calligraphy,h1,h2,h3{font-family:STKaiti,KaiTi,Songti SC,serif}.app-shell{min-height:100vh;background:linear-gradient(rgba(255,250,241,.93),hsla(37,64%,94%,.96)),url(/images/ui/home-bg.png) bottom /cover fixed;position:relative;overflow-x:hidden}.app-shell:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:radial-gradient(rgba(90,60,20,.13) .45px,transparent 0);background-size:5px 5px}.topbar{height:62px;display:flex;align-items:center;justify-content:space-between;gap:12px}.back,.icon-btn{border:0;background:transparent;font-size:38px;line-height:1;color:var(--ink);cursor:pointer;padding:8px}.badge{display:inline-flex;align-items:center;border-radius:14px;background:#f2e4cd;color:#9b6a25;padding:6px 12px;font-size:15px;font-weight:600;white-space:nowrap}.btn{width:100%;border:0;border-radius:18px;padding:18px 22px;font-size:22px;font-weight:700;transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 26px rgba(86,59,21,.18)}.btn:active:not(:disabled){transform:translateY(1px) scale(.98);box-shadow:inset 0 2px 6px rgba(86,59,21,.2)}.btn:active{transform:translateY(1px)}.btn:disabled{cursor:not-allowed;opacity:.55}.btn-primary{background:linear-gradient(120deg,#171717,#30302f);color:#fff;box-shadow:0 12px 24px rgba(0,0,0,.16)}.btn-gold{background:linear-gradient(120deg,#a7762d,#cf9c51);color:#fff}.btn-soft{background:#f3e6d1;color:#8b5f20;border:1px solid rgba(158,112,44,.2)}.notice{margin:24px 0;text-align:center;color:#776d61;font-size:13px;line-height:1.8}@media (min-width:942px){.app-shell{width:941px;margin:0 auto;box-shadow:0 0 80px rgba(86,59,21,.16)}}