:root {
        --bg-color: #12141a;
        --text-main: #f0f2f5;
        --text-muted: #9ba3af;
        --accent: #ff5e5e;
        --accent-hover: #ff3b3b;
        --panel-bg: #1c1f26;
        --panel-border: #2a2e38;
        --radius: 12px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        background-color: var(--bg-color);
        color: var(--text-main);
        line-height: 1.6;
    }
    a { text-decoration: none; color: var(--accent); }
    img { max-width: 100%; display: block; }
    
    /* Header */
    .site-header {
        position: sticky; top: 0; z-index: 100;
        background: rgba(18, 20, 26, 0.95);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--panel-border);
        padding: 12px 20px;
    }
    .header-inner {
        max-width: 1200px; margin: 0 auto;
        display: flex; align-items: center; justify-content: space-between;
    }
    .logo-brand { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: bold; color: #fff; }
    .logo-brand img { height: 32px; width: auto; border-radius: 6px; }
    .nav-links { display: none; gap: 20px; }
    .nav-links a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s; }
    .nav-links a:hover { color: #fff; }

    /* Hero */
    .hero {
        padding: 40px 20px; text-align: center;
        background: linear-gradient(180deg, #1c1f26 0%, var(--bg-color) 100%);
        border-bottom: 1px solid var(--panel-border);
    }
    .hero h1 {
        font-size: 2rem; margin-bottom: 15px; line-height: 1.3;
        background: linear-gradient(90deg, #fff, #ffb8b8);
        -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hero p { color: var(--text-muted); margin-bottom: 30px; font-size: 1rem; max-width: 600px; margin-left: auto; margin-right: auto; }
    .download-group {
        display: flex; flex-wrap: wrap; justify-content: center; gap: 15px;
    }
    .btn {
        display: inline-flex; align-items: center; justify-content: center;
        padding: 12px 24px; border-radius: 30px; font-size: 1rem; font-weight: bold;
        cursor: pointer; transition: all 0.2s; border: none; text-align: center;
    }
    .btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 15px rgba(255, 94, 94, 0.3); }
    .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
    .btn-outline { background: transparent; color: var(--text-main); border: 1px solid var(--panel-border); }
    .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

    /* Sections */
    section { padding: 50px 20px; }
    .container { max-width: 1200px; margin: 0 auto; }
    .section-title { font-size: 1.5rem; margin-bottom: 30px; text-align: center; }
    .section-title span { color: var(--accent); }

    /* Daily Grid */
    .grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
    .card { background: var(--panel-bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--panel-border); display: flex; flex-direction: column; }
    .card-img { width: 100%; height: 160px; object-fit: cover; }
    .card-body { padding: 15px; flex: 1; display: flex; flex-direction: column; }
    .card-title { font-size: 1.1rem; margin-bottom: 8px; }
    .card-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 12px; flex: 1; }
    .card-meta { display: flex; justify-content: space-between; font-size: 0.75rem; color: #666; }
    .tag { background: rgba(255, 94, 94, 0.1); color: var(--accent); padding: 2px 8px; border-radius: 4px; }

    /* Split Layout (Left image right text list) */
    .split-layout { display: flex; flex-direction: column; gap: 30px; align-items: center; }
    .split-image { width: 100%; max-width: 300px; border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
    .split-content { flex: 1; width: 100%; }
    .content-list { list-style: none; }
    .content-list li { padding: 12px 0; border-bottom: 1px solid var(--panel-border); font-size: 0.95rem; }
    .content-list li:last-child { border-bottom: none; }

    /* Timeline */
    .timeline { position: relative; padding-left: 30px; margin-top: 20px; }
    .timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--panel-border); }
    .timeline-item { position: relative; margin-bottom: 25px; }
    .timeline-item::before { content: ''; position: absolute; left: -26px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--bg-color); }
    .time-label { font-weight: bold; color: var(--accent); font-size: 0.9rem; margin-bottom: 4px; }
    .time-content { background: var(--panel-bg); padding: 12px 15px; border-radius: 8px; border: 1px solid var(--panel-border); display: flex; align-items: center; gap: 15px; }
    .time-content img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }

    /* FAQ */
    .faq-grid { display: grid; gap: 20px; }
    .faq-item { background: var(--panel-bg); border-radius: var(--radius); padding: 20px; border: 1px solid var(--panel-border); }
    .faq-q { font-weight: bold; font-size: 1.05rem; margin-bottom: 8px; color: #fff; }
    .faq-q::before { content: '问：'; color: var(--accent); }
    .faq-a { color: var(--text-muted); font-size: 0.95rem; }
    .faq-a::before { content: '答：'; color: #fff; font-weight: bold; }

    /* Footer */
    footer { padding: 30px 20px; text-align: center; background: #0a0b0e; border-top: 1px solid var(--panel-border); font-size: 0.8rem; color: #666; }
    footer p { margin-bottom: 10px; }
    footer a { color: #888; }
    footer a:hover { color: var(--text-main); }
    .time-text { font-size: 0.75rem; color: #555; margin-top: 15px; }

    /* Modal for Baidu Browser */
    .modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 999; align-items: center; justify-content: center; padding: 20px; }
    .modal-box { background: var(--panel-bg); border-radius: var(--radius); padding: 25px; max-width: 400px; width: 100%; text-align: center; border: 1px solid var(--panel-border); }
    .modal-box p { margin-bottom: 20px; font-size: 0.95rem; }
    .modal-input { width: 100%; padding: 10px; background: #000; border: 1px solid #333; color: #fff; border-radius: 6px; margin-bottom: 15px; text-align: center; outline: none; }

    /* Responsive */
    @media (min-width: 768px) {
        .nav-links { display: flex; }
        .hero h1 { font-size: 2.5rem; }
        .split-layout { flex-direction: row; align-items: flex-start; }
        .split-image { width: 35%; position: sticky; top: 100px; }
        .grid-cards { grid-template-columns: repeat(2, 1fr); }
        .faq-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (min-width: 1024px) {
        .grid-cards { grid-template-columns: repeat(3, 1fr); }
        .hero h1 { font-size: 3rem; }
    }