:root {
    --bg-color: #0d0d0d;
    --card-bg: #1a1a1a;
    --border-color: #262626;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --primary-red: #ff4d4f;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { background: var(--bg-color); font-family: -apple-system, "PingFang SC", sans-serif; color: var(--text-primary); }

.container { width: 100%; max-width: 540px; margin: 0 auto; padding: 40px 16px; }

/* Header */
.header-box { text-align: center; margin-bottom: 40px; }
.header-box img { width: 64px; height: 64px; margin-bottom: 12px; }
.header-box h1 { font-size: 26px; font-weight: bold; letter-spacing: 1px; }
.header-box p { color: var(--text-secondary); font-size: 13px; margin-top: 5px; }

/* Labels */
.section-label { display: flex; align-items: center; font-size: 18px; margin: 25px 0 12px 5px; color: #eee; }
.section-label i { margin-right: 8px; font-style: normal; font-size: 20px; }

/* Card Style */
.card { background: var(--card-bg); border-radius: 12px; overflow: hidden; margin-bottom: 20px; }
.item { display: flex; align-items: center; padding: 20px 16px; border-bottom: 1px solid var(--border-color); }
.item:last-child { border-bottom: none; }

.item-main { flex: 1; }
.item-title-row { display: flex; align-items: center; margin-bottom: 6px; }
.item-title { font-size: 16px; font-weight: 500; }
.tag { font-size: 11px; padding: 2px 6px; border-radius: 4px; margin-left: 8px; color: #fff; font-weight: bold; }
.item-sub { color: var(--text-secondary); font-size: 14px; }

/* Buttons */
.btn { border: none; border-radius: 20px; padding: 8px 18px; font-size: 14px; cursor: pointer; text-decoration: none; color: #fff; font-weight: 500; transition: 0.2s; }
.btn-red { background: var(--primary-red); }
.btn-gray { background: #3d3d3d; color: #eee; }
.btn-download { background: #3d3d3d; width: 44px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 16px; }

.icon-app { width: 44px; height: 44px; margin-right: 15px; border-radius: 10px; }

/* Footer */
.footer { text-align: center; color: #444; font-size: 12px; line-height: 1.8; margin-top: 40px; padding: 0 10px; }

/* Toast */
#toast { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,0.85); color: #fff; padding: 12px 24px; border-radius: 8px; font-size: 14px; z-index: 100; display: none; }

/* Responsive Adjustments */
@media (max-width: 375px) {
    .item-title { font-size: 15px; }
    .btn { padding: 6px 12px; font-size: 13px; }
}