:root{--c-bg: #f6f6f7;--c-panel: #ffffff;--c-ink: #1b1b1d;--c-ink2: #6b6b70;--c-ink3: #9a9aa0;--c-line: #e7e7ea;--c-line2: #efeff1;--c-accent: #E5484D;--c-accent-ink: #ffffff;--c-hover: #f2f2f4;--c-stage: #e7e7ea;--radius: 9px;--font-ui: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{margin:0}body{font-family:var(--font-ui);color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased;min-height:100vh}#root{min-height:100vh}button{font-family:inherit;cursor:pointer}a{color:inherit}.btn{border:1px solid var(--c-line);background:var(--c-panel);color:var(--c-ink);height:32px;padding:0 13px;border-radius:8px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;text-decoration:none;white-space:nowrap}.btn:hover{background:var(--c-hover)}.btn.primary{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink)}.btn.primary:hover{filter:brightness(.95);background:var(--c-accent)}.btn.ghost{border-color:transparent}.btn.lg{height:44px;padding:0 22px;font-size:15px;border-radius:11px}.btn:disabled{opacity:.45;cursor:default}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.01em;text-decoration:none;color:var(--c-ink)}.brand-mark{width:22px;height:22px;border-radius:6px;flex:0 0 auto;background:linear-gradient(135deg,var(--c-accent),#ff7a6e);box-shadow:0 2px 8px #e5484d59}.brand-name{font-size:16px}.brand-sub{color:var(--c-ink3);font-weight:600;font-size:12px;letter-spacing:.14em}.brand-md .brand-mark{width:22px;height:22px}.brand-lg .brand-mark{width:30px;height:30px;border-radius:8px}.brand-lg .brand-name{font-size:21px}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 40px;background:#f6f6f7d1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}.site-nav{display:flex;align-items:center;gap:8px}.site-nav-link{padding:8px 12px;border-radius:8px;font-size:14px;font-weight:600;color:var(--c-ink2);text-decoration:none}.site-nav-link:hover{background:var(--c-hover);color:var(--c-ink)}.site-nav-link.on{color:var(--c-ink)}@media (max-width: 880px){.site-header{padding:12px 20px}}.route-fallback{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--c-ink3);font-size:14px}.acct{position:relative;display:inline-flex}.acct-placeholder{width:30px;height:30px}.acct-trigger{border:none;background:none;padding:0;display:inline-flex;border-radius:50%}.acct-avatar{width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--c-accent-ink);background:linear-gradient(135deg,var(--c-accent),#ff7a6e);box-shadow:0 2px 8px #e5484d52}.acct-trigger:hover .acct-avatar{filter:brightness(.96)}.acct-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:40;min-width:180px;background:var(--c-panel);border:1px solid var(--c-line);border-radius:11px;padding:6px;box-shadow:0 14px 38px #0000001f,0 3px 8px #0000000f}.acct-email{padding:8px 10px 9px;font-size:12.5px;color:var(--c-ink2);border-bottom:1px solid var(--c-line2);margin-bottom:5px;word-break:break-all}.acct-item{width:100%;text-align:left;border:none;background:none;padding:8px 10px;border-radius:7px;font-size:13px;font-weight:600;color:var(--c-ink)}.acct-item:hover{background:var(--c-hover)}.acct-item.danger{color:var(--c-accent)}