:root {
    --primary-color: #f97316;
    --secondary-color: #fbbf24;
    --dark-color: #7c2d12;
    --highlight-color: #fb923c;
}
body {
    font-family: 'Microsoft YaHei', sans-serif;
    background: #1a0f07;
    max-width: 600px;
    margin: 0 auto;
    padding: 0;
    color: #e0e0e0;
    line-height: 1.6;
}
.header-bar {
    background: linear-gradient(90deg, var(--dark-color), var(--primary-color));
    color: var(--secondary-color);
    padding: 15px 20px;
    text-align: center;
    border-radius: 0 0 15px 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.7);
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--highlight-color);
}
.main-title { font-size: 28px; font-weight: bold; margin: 0; text-shadow: 2px 2px 5px rgba(0,0,0,0.9); letter-spacing: 1px; }
.sub-title { font-size: 16px; margin-top: 5px; text-shadow: 1px 1px 3px rgba(0,0,0,0.7); }
.game-showcase { margin: 25px 15px; }
.game-poster { width: 100%; border-radius: 15px; box-shadow: 0 10px 25px rgba(0,0,0,0.7); border: 3px solid var(--highlight-color); transition: transform 0.3s; }
.game-poster:hover { transform: scale(1.02); }
.content-card {
    background: rgba(15,23,42,0.88); border-radius: 15px; padding: 20px;
    margin: 0 15px 25px 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.5); border-left: 5px solid var(--primary-color);
}
.section-title { font-size: 24px; font-weight: bold; color: var(--secondary-color); margin-bottom: 15px; padding-bottom: 10px; border-bottom: 2px solid var(--highlight-color); display: flex; align-items: center; }
.section-title span { margin-right: 10px; font-size: 28px; }
.feature-list { margin: 20px 0; }
.feature-item { margin-bottom: 15px; padding-left: 30px; position: relative; }
.feature-item::before { content: "⚡"; position: absolute; left: 0; color: var(--secondary-color); font-size: 20px; }
.gift-code-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 15px; }
.gift-code-item {
    background: rgba(249,115,22,0.15); border: 2px solid rgba(251,146,60,0.3);
    border-radius: 12px; padding: 12px; text-align: center; cursor: pointer; transition: all 0.3s;
}
.gift-code-item:hover {
    border-color: var(--secondary-color); background: rgba(251,191,36,0.15);
    transform: translateY(-2px); box-shadow: 0 5px 15px rgba(251,191,36,0.2);
}
.gift-code { font-size: 16px; font-weight: bold; color: var(--secondary-color); letter-spacing: 1px; margin-bottom: 6px; }
.gift-reward { font-size: 11px; color: #94a3b8; line-height: 1.4; }
.download-section { text-align: center; margin: 30px 15px; }
.download-btn {
    display: inline-block; background: linear-gradient(135deg, var(--primary-color), #ea580c);
    color: white; padding: 15px 40px; border-radius: 50px; font-weight: bold; font-size: 18px;
    text-decoration: none; transition: all 0.3s; box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    border: 2px solid var(--highlight-color); margin: 0 10px 15px;
}
.download-btn:hover { background: linear-gradient(135deg, #ea580c, var(--primary-color)); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.7); }
.tips { font-size: 14px; color: var(--secondary-color); margin-top: 10px; font-weight: bold; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; justify-content: center; }
.tag { background: rgba(249,115,22,0.7); color: var(--secondary-color); padding: 5px 15px; border-radius: 20px; font-size: 14px; border: 1px solid var(--highlight-color); }
.wechat-footer { background: linear-gradient(135deg, #431407, #7c2d12); padding: 20px 0; margin-top: 30px; border-top: 3px solid var(--secondary-color); }
.wechat-container { max-width: 600px; margin: 0 auto; display: flex; align-items: center; padding: 0 15px; }
.wechat-qrcode { width: 100px; height: 100px; border: 3px solid #fff; border-radius: 8px; overflow: hidden; margin-right: 20px; }
.wechat-qrcode img { width: 100%; height: 100%; object-fit: cover; }
.wechat-info { flex: 1; color: #fff; }
.wechat-info h3 { font-size: 18px; margin-bottom: 8px; color: #ffd700; }
.wechat-info p { font-size: 14px; margin-bottom: 12px; opacity: 0.9; }
.wechat-btn { display: inline-block; background: #e74c3c; color: white; padding: 8px 20px; border-radius: 20px; font-size: 14px; text-decoration: none; transition: all 0.3s; }
.wechat-btn:hover { background: #c0392b; transform: translateY(-2px); }
.footer-guide { text-align: center; padding: 15px; color: #9ca3af; font-size: 14px; }
@media (max-width: 480px) {
    .wechat-container { flex-direction: column; text-align: center; }
    .wechat-qrcode { margin-right: 0; margin-bottom: 15px; }
    .gift-code-grid { grid-template-columns: 1fr; }
}