/* 公共样式 - 主页和分页共用 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', sans-serif;
    background: #0a0c15;
    color: #e8edf5;
    line-height: 1.5;
    background-image: linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* 顶栏公共样式 */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 16px 20px;
    background: rgba(10,12,21,0.7);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(0,229,255,0.2);
}
.top-title { display: flex; align-items: center; gap: 12px; }
.top-logo { font-size: 1.8rem; }
.top-brand { font-size: 1.3rem; font-weight: 700; background: linear-gradient(135deg, #fff, #00e5ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.top-tag { background: rgba(0,229,255,0.15); padding: 4px 12px; border-radius: 30px; font-size: 0.7rem; color: #00e5ff; }
.back-btn { background: rgba(0,229,255,0.1); border: 1px solid #00e5ff; border-radius: 30px; padding: 8px 20px; color: #00e5ff; text-decoration: none; transition: all 0.2s; }
.back-btn:hover { background: rgba(0,229,255,0.2); transform: translateY(-2px); }

/* 卡片公共样式 */
.card, .skill-card {
    background: rgba(18,20,31,0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0,229,255,0.15);
    border-radius: 24px;
    padding: 1.2rem;
    transition: all 0.3s;
}
.card:hover, .skill-card:hover {
    transform: translateY(-4px);
    border-color: #00e5ff;
    box-shadow: 0 15px 35px -10px rgba(0,229,255,0.3);
}

/* 按钮公共光效 */
button, .hero-cta, .gateway-btn, .buy-btn, .page-btn, .skill-button {
    transition: all 0.2s;
}
button:hover, .hero-cta:hover, .gateway-btn:hover, .buy-btn:hover, .page-btn:hover, .skill-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 12px rgba(0,229,255,0.4);
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #1a1d2e; border-radius: 3px; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #00e5ff, #7c4dff); border-radius: 3px; }
</style>