* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f5f5f5; min-height: 100vh; padding-bottom: 60px; }
.tabs { position: fixed; bottom: 0; left: 0; right: 0; height: 56px; background: #fff; display: flex; align-items: center; justify-content: space-around; box-shadow: 0 -1px 10px rgba(0,0,0,.08); z-index: 100; }
.tabs a { display: flex; flex-direction: column; align-items: center; color: #999; text-decoration: none; font-size: 12px; }
.tabs a.active { color: #07c160; }
.tabs .icon { font-size: 22px; margin-bottom: 2px; }
.tabs .tab-icon { width: 24px; height: 24px; margin-bottom: 2px; object-fit: contain; }
.tabs a.active .tab-icon { opacity: 1; filter: none; }
.tabs a:not(.active) .tab-icon { opacity: 0.6; }
.header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: #fff; }
.header .logo { height: 36px; }
.header .user { display: flex; align-items: center; gap: 8px; }
.header .avatar { width: 36px; height: 36px; border-radius: 50%; }
.header .nickname { font-size: 14px; color: #333; }
.btn { display: inline-block; padding: 10px 20px; background: #07c160; color: #fff; border: none; border-radius: 999px; font-size: 15px; cursor: pointer; }
.btn:disabled { background: #ccc; cursor: not-allowed; }
.card { background: #fff; border-radius: 0; margin: 12px 16px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.loading { text-align: center; padding: 40px; color: #999; }