:root {
    --black: #050b16;
    --blue: #0b63ff;
    --blue-soft: #27a5ff;
    --white: #ffffff;
    --ink: #dce8ff;
    --muted: #93a8c8;
    --line: rgba(77, 136, 255, 0.18);
    --panel: rgba(9, 18, 34, 0.84);
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
    --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    line-height: 1.8;
    background:
        radial-gradient(circle at top left, rgba(39, 165, 255, 0.22), transparent 30%),
        radial-gradient(circle at top right, rgba(11, 99, 255, 0.18), transparent 26%),
        linear-gradient(180deg, #060d1a 0%, #081224 45%, #03070f 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1240px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(920px, 100%); }
.page-shell { min-height: calc(100vh - 340px); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(4, 10, 20, 0.86);
    border-bottom: 1px solid rgba(77, 136, 255, 0.16);
    backdrop-filter: blur(18px);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0;
}
.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 30px;
    font-weight: 900;
    letter-spacing: 0.4px;
}
.site-brand img { width: 56px; height: 56px; object-fit: contain; }
.site-brand span { color: var(--white); text-shadow: 0 0 24px rgba(39, 165, 255, 0.24); }
.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}
.site-nav a {
    padding: 10px 16px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 15px;
    transition: 0.2s ease;
}
.site-nav a:hover,
.site-nav a.active {
    color: var(--white);
    background: linear-gradient(90deg, rgba(11, 99, 255, 0.2), rgba(39, 165, 255, 0.18));
}

.hero, .page-hero { padding: 88px 0 48px; }
.hero-grid, .feature-grid, .split-grid, .pricing-grid, .contact-grid, .article-list, .footer-main { display: grid; gap: 24px; }
.hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr); align-items: center; }
.feature-grid, .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pricing-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.article-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.hero-copy h1, .page-hero h1 {
    margin: 14px 0 18px;
    line-height: 1.08;
    font-size: clamp(36px, 5vw, 72px);
}
.page-hero h1 { font-size: clamp(30px, 4vw, 56px); }
.hero-copy p, .page-hero p, .feature-card p, .check-card p, .article-card p, .article-detail p, .contact-card p, .price-card p, .download-box p, .stat-card span, .scene-list p, .site-footer p {
    color: var(--muted);
    font-size: 17px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
    color: #9fd0ff;
    border: 1px solid rgba(39, 165, 255, 0.28);
    background: rgba(11, 99, 255, 0.1);
}

.hero-actions, .article-bottom, .pager, .footer-links__items { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions { margin-top: 28px; }
.hero-points, .price-card ul { margin: 22px 0 0; padding-left: 20px; color: var(--muted); }
.hero-panel, .scene-list { display: grid; gap: 18px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
    color: var(--white);
    background: linear-gradient(90deg, var(--blue) 0%, var(--blue-soft) 100%);
    box-shadow: 0 18px 34px rgba(11, 99, 255, 0.32);
}
.btn-secondary {
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(77, 136, 255, 0.22);
}

.stat-card, .feature-card, .check-card, .price-card, .download-box, .contact-card, .article-card, .article-detail, .scene-list > div {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.stat-card, .feature-card, .check-card, .contact-card, .scene-list > div { padding: 28px; }
.price-card, .download-box, .article-card, .article-detail { padding: 32px 28px; }
.stat-card strong { display: block; margin-bottom: 8px; font-size: 24px; color: var(--white); }

.section { padding: 40px 0; }
.section-band {
    background: linear-gradient(90deg, rgba(11, 99, 255, 0.08), rgba(39, 165, 255, 0.08));
    border-top: 1px solid rgba(77, 136, 255, 0.16);
    border-bottom: 1px solid rgba(77, 136, 255, 0.16);
}
.section-heading { margin-bottom: 28px; text-align: center; }
.section-heading.left { text-align: left; }
.section-heading span { color: #9fd0ff; font-size: 14px; font-weight: 800; letter-spacing: 1px; }
.section-heading h2, .check-card h2, .price-card h2, .contact-card h2, .download-box h3, .article-detail h2, .feature-card h3, .article-card h3, .scene-list h3 {
    margin: 10px 0 12px;
    line-height: 1.3;
    color: var(--white);
}
.section-heading h2, .article-detail h2 { font-size: clamp(28px, 3vw, 42px); }
.feature-card h3, .article-card h3, .scene-list h3, .download-box h3 { font-size: 22px; }

.price {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    color: #d6ebff;
    background: rgba(39, 165, 255, 0.14);
    font-weight: 800;
}
.price-card.featured {
    background: linear-gradient(180deg, rgba(12, 94, 214, 0.95), rgba(5, 18, 40, 0.98));
}
.price-card.featured p, .price-card.featured li { color: rgba(255, 255, 255, 0.84); }
.price-card.featured .price { color: #0a1528; background: rgba(255, 255, 255, 0.92); }

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 14px;
}
.article-meta span { padding: 4px 10px; border-radius: 999px; background: rgba(39, 165, 255, 0.1); }
.article-detail--full p { margin: 0 0 20px; }
.text-link { color: #9fd0ff; font-weight: 800; }
.pager { justify-content: center; margin-top: 30px; }
.pager a, .pager span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    height: 46px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    font-weight: 800;
}
.pager .active {
    color: var(--white);
    border-color: transparent;
    background: linear-gradient(90deg, var(--blue) 0%, var(--blue-soft) 100%);
}

.site-footer {
    margin-top: 54px;
    padding: 40px 0 28px;
    color: rgba(255, 255, 255, 0.86);
    background: linear-gradient(180deg, #03070d 0%, #02050b 100%);
}
.footer-main { grid-template-columns: 1.2fr 0.8fr 0.8fr; }
.site-footer h3 { margin: 0 0 12px; color: var(--white); }
.site-footer a, .footer-copy, .footer-links em { color: rgba(255, 255, 255, 0.68); }
.site-footer a { display: block; margin-bottom: 10px; }
.footer-links {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-links > span { display: block; margin-bottom: 10px; color: var(--white); font-weight: 800; }
.footer-copy {
    margin-top: 20px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    font-size: 14px;
}

.floating-telegram {
    position: fixed;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 60;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px 10px 10px;
    border-radius: 999px;
    color: var(--white);
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-soft) 100%);
    box-shadow: 0 18px 36px rgba(11, 99, 255, 0.34);
}
.floating-telegram__badge {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 900;
    background: rgba(255, 255, 255, 0.18);
}
.floating-telegram__label { font-weight: 800; white-space: nowrap; }

@media (max-width: 1100px) {
    .hero-grid, .feature-grid, .split-grid, .pricing-grid, .contact-grid, .article-list, .footer-main { grid-template-columns: 1fr; }
    .header-inner { flex-direction: column; align-items: flex-start; }
    .site-nav { justify-content: flex-start; }
}

@media (max-width: 720px) {
    .hero, .page-hero { padding-top: 54px; }
    .site-brand { font-size: 24px; }
    .btn { width: 100%; }
    .floating-telegram { right: 10px; padding-right: 12px; }
    .floating-telegram__label { display: none; }
}