:root {
    --bg: #06070d;
    --bg2: #0d0f18;
    --bg3: #141724;
    --card: #1a1e2e;
    --border: #252a3d;
    --text: #e8eaf6;
    --text2: #8890b5;
    --text3: #555d80;
    --accent: #5b8cff;
    --accent2: #3d6be0;
    --green: #4ade80;
    --red: #f87171;
    --yellow: #fbbf24;
    --radius: 12px;
    --radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, "SF Pro Display", "Microsoft YaHei", "PingFang SC", sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.hidden { display: none !important; }
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; }

.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(6,7,13,.85); backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(37,42,61,.5);
    transition: background .3s;
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-brand { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -.5px; }
.brand-icon { color: var(--accent); }
.nav-links { display: flex; gap: 4px; }
.nav-link {
    padding: 6px 14px; border-radius: var(--radius-sm); color: var(--text2);
    font-size: 14px; transition: all .2s; cursor: pointer;
}
.nav-link:hover { color: var(--text); background: var(--bg3); }
.nav-link.active { color: var(--accent); background: rgba(91,140,255,.1); }
.nav-right { display: flex; align-items: center; gap: 12px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px; border-radius: var(--radius-sm); border: none;
    font-size: 14px; font-weight: 500; cursor: pointer; transition: all .25s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(91,140,255,.3); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text2); background: var(--bg3); }
.btn-contact {
    background: rgba(91,140,255,.1); color: var(--accent);
    border: 1px solid rgba(91,140,255,.3); padding: 8px 20px;
}
.btn-contact:hover { background: rgba(91,140,255,.2); }
.btn-lg { padding: 14px 36px; font-size: 16px; border-radius: var(--radius); }
.btn-block { width: 100%; }

.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; padding: 120px 20px 80px;
}
.hero-bg {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(91,140,255,.12) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(74,222,128,.06) 0%, transparent 50%);
}
.hero-content { position: relative; text-align: center; max-width: 800px; }
.hero-badge {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    background: rgba(91,140,255,.1); border: 1px solid rgba(91,140,255,.25);
    color: var(--accent); font-size: 13px; margin-bottom: 24px;
}
.hero h1 {
    font-size: 72px; font-weight: 800; letter-spacing: -2px;
    background: linear-gradient(135deg, #5b8cff 0%, #4ade80 50%, #5b8cff 100%);
    background-size: 200% 200%; animation: gradientShift 4s ease infinite;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
@keyframes gradientShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.hero-sub { font-size: 28px; color: var(--text); margin: 12px 0 8px; font-weight: 300; }
.hero-desc { font-size: 16px; color: var(--text2); margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 64px; }
.hero-stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-num { font-size: 32px; font-weight: 800; color: var(--accent); display: block; letter-spacing: -1px; }
.stat-label { font-size: 13px; color: var(--text3); display: block; margin-top: 4px; }

.section { padding: 100px 0; }
.section-dark { background: var(--bg2); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 36px; font-weight: 700; margin-bottom: 12px; letter-spacing: -.5px; }
.section-header p { font-size: 16px; color: var(--text2); }

.feature-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--card); border-radius: var(--radius); padding: 32px;
    border: 1px solid var(--border); transition: all .3s;
}
.feature-card:hover { border-color: rgba(91,140,255,.3); transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,.3); }
.feature-icon-wrap { font-size: 40px; margin-bottom: 20px; }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text2); line-height: 1.7; }

.game-grid {
    display: grid; grid-template-columns: repeat(3, 200px);
    gap: 24px; justify-content: center;
}
.game-card {
    background: var(--card); border-radius: var(--radius); padding: 28px;
    border: 1px solid var(--border); text-align: center; transition: all .3s;
}
.game-card:hover { border-color: rgba(91,140,255,.3); }
.game-logo { width: 64px; height: 64px; object-fit: contain; margin-bottom: 12px; border-radius: 12px; }
.game-icon { font-size: 36px; margin-bottom: 12px; }
.game-card h4 { font-size: 16px; margin-bottom: 6px; }
.game-card p { font-size: 13px; color: var(--text2); margin-bottom: 12px; }
.game-status {
    display: inline-block; padding: 3px 12px; border-radius: 12px;
    background: rgba(74,222,128,.1); color: var(--green); font-size: 12px;
}
.game-status-soon { background: rgba(251,191,36,.1); color: var(--yellow); }

.spec-table-wrap { max-width: 700px; margin: 0 auto; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table td { padding: 14px 0; font-size: 14px; }
.spec-label { color: var(--text2); width: 120px; }

.pricing-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px; align-items: start;
}
.pricing-card {
    background: var(--card); border-radius: var(--radius); padding: 36px;
    border: 1px solid var(--border); text-align: center; position: relative; transition: all .3s;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,.3); }
.pricing-popular { border-color: var(--accent); transform: scale(1.04); }
.pricing-popular:hover { transform: scale(1.04) translateY(-4px); }
.pricing-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--green)); color: #fff;
    padding: 5px 20px; border-radius: 14px; font-size: 13px; font-weight: 600; white-space: nowrap;
}
.pricing-name { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.pricing-price { font-size: 20px; font-weight: 300; margin-bottom: 4px; color: var(--text); }
.price-num { font-size: 48px; font-weight: 800; color: var(--accent); }
.price-period { font-size: 14px; color: var(--text2); }
.pricing-save { font-size: 13px; color: var(--green); margin-bottom: 20px; }
.pricing-features { list-style: none; text-align: left; margin: 20px 0; }
.pricing-features li { padding: 7px 0; font-size: 14px; color: var(--text2); border-bottom: 1px solid rgba(37,42,61,.5); }
.pricing-features li:last-child { border-bottom: none; }

.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
    padding: 20px 0; font-size: 16px; font-weight: 500; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center; transition: color .2s;
}
.faq-q:hover { color: var(--accent); }
.faq-q::after { content: '+'; font-size: 20px; color: var(--text3); transition: transform .3s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); color: var(--accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s; }
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 20px; }
.faq-a p { font-size: 14px; color: var(--text2); line-height: 1.8; }

.section-contact { background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%); }
.contact-card {
    max-width: 500px; margin: 0 auto; background: var(--card);
    border-radius: var(--radius); padding: 40px; border: 1px solid var(--border);
    text-align: center;
}
.contact-wechat { display: flex; align-items: center; justify-content: center; gap: 16px; }
.wechat-icon { font-size: 48px; }
.wechat-label { font-size: 13px; color: var(--text2); margin-bottom: 4px; }
.wechat-id { font-size: 28px; font-weight: 700; color: var(--accent); letter-spacing: 1px; }
.wechat-tip { font-size: 13px; color: var(--text3); margin-top: 4px; }
.contact-promises { display: flex; justify-content: center; gap: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.promise { font-size: 14px; color: var(--text2); }

.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { text-align: center; }
.footer-brand { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 16px; }
.footer-links a { font-size: 13px; color: var(--text3); transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 12px; color: var(--text3); }

.modal {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 200;
    display: flex; align-items: center; justify-content: center;
}
.modal-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.7); }
.modal-content {
    position: relative; background: var(--card); border-radius: var(--radius);
    padding: 36px; width: 420px; max-width: 90vw; border: 1px solid var(--border);
}
.modal-content h2 { text-align: center; margin-bottom: 24px; }
.contact-modal-body { text-align: center; margin-bottom: 24px; }
.wechat-icon-lg { font-size: 64px; margin-bottom: 16px; }
.wechat-id-lg { font-size: 28px; font-weight: 700; color: var(--accent); margin-bottom: 12px; letter-spacing: 1px; }
.contact-modal-tip { font-size: 14px; color: var(--text2); line-height: 1.8; }

@media (max-width: 900px) {
    .feature-grid, .game-grid, .pricing-grid { grid-template-columns: 1fr; }
    .pricing-popular { transform: none; }
    .pricing-popular:hover { transform: translateY(-4px); }
    .hero h1 { font-size: 48px; }
    .hero-sub { font-size: 20px; }
    .hero-stats { gap: 24px; }
    .nav-links { display: none; }
}