:root {
    --bg-dark: #0a0d14;
    --bg-card: #141927;
    --bg-card-hover: #1c2235;
    --gold: #d4af37;
    --gold-light: #f9e29c;
    --cyan: #54e6d1;
    --text-main: #e8ebf0;
    --text-sub: #9aa4b8;
    --border: #262f42;
    --purple: #8a5cf6;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
  }
  a { text-decoration: none; color: inherit; }
  img { display: block; max-width: 100%; object-fit: cover; }
  
  /* Navigation */
  .navbar {
    position: sticky;
    top: 0;
    background: rgba(10, 13, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
  }
  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: bold;
    color: var(--gold-light);
  }
  .nav-logo img { height: 32px; border-radius: 6px; }
  .nav-links {
    display: flex;
    gap: 24px;
    font-size: 15px;
    color: var(--text-sub);
  }
  .nav-links a:hover { color: var(--gold); }

  /* Hero */
  .hero {
    position: relative;
    padding: 80px 20px 60px;
    text-align: center;
    background: radial-gradient(circle at top, rgba(212,175,55,0.1) 0%, transparent 60%);
    overflow: hidden;
  }
  .hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    opacity: 0.2;
  }
  .hero-bg img {
    width: 100%; height: 100%;
    filter: blur(8px);
  }
  .hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }
  .hero h1 {
    font-size: 42px;
    color: var(--gold-light);
    margin-bottom: 16px;
    line-height: 1.3;
  }
  .hero p {
    font-size: 18px;
    color: var(--text-sub);
    margin-bottom: 40px;
  }
  .download-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
    background: linear-gradient(135deg, var(--gold), #b8860b);
    color: #111;
    box-shadow: 0 4px 15px rgba(212,175,55,0.3);
  }
  .btn-download:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,175,55,0.5); }
  .btn-download.android { background: linear-gradient(135deg, #54e6d1, #2bbbad); color: #111; box-shadow: 0 4px 15px rgba(84,230,209,0.3); }
  .btn-download.ios { background: linear-gradient(135deg, #c4c9d6, #8b93a6); color: #111; box-shadow: 0 4px 15px rgba(196,201,214,0.3); }
  .btn-download.other { background: transparent; color: var(--gold-light); border: 1px solid var(--gold); box-shadow: none; }
  .btn-download.other:hover { background: rgba(212,175,55,0.1); }

  /* Section Common */
  .section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .section-title {
    text-align: center;
    margin-bottom: 50px;
  }
  .section-title h2 {
    font-size: 32px;
    color: var(--gold-light);
    margin-bottom: 12px;
  }
  .section-title p {
    color: var(--text-sub);
    font-size: 16px;
  }

  /* Daily Grid */
  .daily-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .daily-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.3s;
  }
  .daily-card:hover { transform: translateY(-5px); border-color: var(--gold); }
  .daily-card img { height: 240px; width: 100%; }
  .daily-info { padding: 16px; }
  .daily-info h3 { font-size: 16px; color: var(--gold-light); margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .daily-info p { font-size: 13px; color: var(--text-sub); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

  /* Premium Split */
  .premium-split {
    display: flex;
    gap: 40px;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
  }
  .premium-left {
    flex: 0 0 320px;
  }
  .premium-left img { border-radius: 12px; height: 480px; width: 100%; }
  .premium-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .premium-right h2 { font-size: 28px; color: var(--gold-light); margin-bottom: 20px; }
  .premium-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }
  .premium-item {
    background: rgba(255,255,255,0.03);
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 3px solid var(--gold);
    font-size: 14px;
    color: var(--text-main);
  }

  /* Timeline */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 30px;
  }
  .timeline::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 2px; background: var(--border);
  }
  .timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
  }
  .timeline-item::before {
    content: ''; position: absolute; left: -36px; top: 24px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--gold); box-shadow: 0 0 10px var(--gold);
  }
  .timeline-time { font-size: 18px; font-weight: bold; color: var(--cyan); margin-bottom: 8px; }
  .timeline-title { font-size: 16px; font-weight: bold; color: var(--gold-light); margin-bottom: 6px; }
  .timeline-desc { font-size: 14px; color: var(--text-sub); }

  /* FAQ */
  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
  }
  .faq-item {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
  }
  .faq-q { font-size: 16px; font-weight: bold; color: var(--cyan); margin-bottom: 10px; }
  .faq-a { font-size: 14px; color: var(--text-sub); }

  /* Reviews */
  .review-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .review-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
    position: relative;
  }
  .review-card::before {
    content: '“';
    font-size: 60px; color: var(--border); position: absolute; top: 0; right: 20px; font-family: serif;
  }
  .review-user { font-weight: bold; color: var(--gold-light); margin-bottom: 10px; }
  .review-text { font-size: 14px; color: var(--text-sub); line-height: 1.8; }

  /* Footer */
  footer {
    background: #05070a;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-sub);
  }
  footer a { color: var(--text-sub); }
  footer a:hover { color: var(--gold); }
  .footer-update { margin-top: 10px; font-size: 12px; color: #555; }

  /* Responsive */
  @media (max-width: 1023px) {
    .daily-grid { grid-template-columns: repeat(3, 1fr); }
    .premium-split { flex-direction: column; padding: 30px; }
    .premium-left { flex: none; }
    .premium-left img { height: 300px; }
    .review-masonry { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 767px) {
    .hero h1 { font-size: 28px; }
    .nav-links { display: none; }
    .daily-grid { grid-template-columns: repeat(2, 1fr); }
    .premium-list { grid-template-columns: 1fr; }
    .review-masonry { grid-template-columns: 1fr; }
    .btn-download { width: 100%; justify-content: center; }
  }