:root {
    --text: #1f2953;
    --muted: #61709e;
    --primary: #3164ff;
    --secondary: #7c47ff;
    --deep: #2036a5;
    --line: #dde5ff;
    --panel: linear-gradient(145deg, #f5f8ff 0%, #f8f5ff 100%);
    --shadow: 0 20px 40px rgba(49, 100, 255, 0.12);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", sans-serif; color: var(--text); background: linear-gradient(180deg, #fff 0%, #f6f8ff 55%, #fff 100%); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(820px, 100%); }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(221,229,255,.9); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 14px; font-size: 24px; font-weight: 800; color: var(--deep); }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.main-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.main-nav a { padding: 10px 14px; border-radius: 999px; color: var(--muted); transition: .2s ease; }
.main-nav a.active, .main-nav a:hover { color: var(--deep); background: rgba(49,100,255,.08); }
.hero, .sub-hero { position: relative; overflow: hidden; }
.hero::before, .sub-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at top left, rgba(124,71,255,.16), transparent 34%), radial-gradient(circle at top right, rgba(49,100,255,.16), transparent 32%); }
.hero::before, .sub-hero::before { pointer-events: none; z-index: 0; }
.hero > .container, .sub-hero > .container { position: relative; z-index: 1; }
.hero { padding: 84px 0 70px; }
.sub-hero { padding: 72px 0 48px; }
.hero-grid, .split-grid, .download-panel, .contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.hero h1, .sub-hero h1 { margin: 10px 0 18px; font-size: clamp(34px, 6vw, 58px); line-height: 1.1; }
.eyebrow { display: inline-flex; padding: 8px 14px; border: 1px solid rgba(49,100,255,.16); border-radius: 999px; color: var(--primary); font-size: 13px; font-weight: 700; background: rgba(255,255,255,.86); }
.hero-text, .sub-hero p, .section-heading p, .feature-card p, .info-panel p, .article-body p, .blog-row p, .blog-card p, .site-footer p { color: var(--muted); font-size: 16px; line-height: 1.9; }
.hero-actions, .article-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.hero-actions { position: relative; z-index: 2; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border-radius: 999px; font-weight: 700; transition: transform .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; box-shadow: var(--shadow); }
.btn-secondary { background: #fff; border: 1px solid rgba(49,100,255,.16); color: var(--deep); }
.hero-points, .info-panel ul, .pricing-card ul { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.9; }
.hero-card, .feature-card, .info-panel, .pricing-card, .blog-card, .blog-row, .download-panel, .contact-grid article { background: rgba(255,255,255,.92); border: 1px solid rgba(221,229,255,.9); border-radius: 24px; box-shadow: var(--shadow); }
.hero-card, .feature-card, .info-panel, .pricing-card, .blog-card, .contact-grid article { padding: 28px; }
.hero-card { background: var(--panel); }
.metric-list { display: grid; gap: 18px; }
.metric-list article { padding: 18px 20px; background: rgba(255,255,255,.72); border-radius: 18px; }
.section { padding: 72px 0; }
.section-alt { background: linear-gradient(180deg, rgba(245,248,255,.72), rgba(248,245,255,.72)); }
.section-heading { margin-bottom: 26px; }
.section-heading h2, .split-grid h2, .download-panel h2 { margin: 0 0 16px; font-size: clamp(28px, 4vw, 40px); }
.feature-grid, .pricing-grid, .blog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.download-panel { padding: 34px; grid-template-columns: 1.4fr .9fr; }
.pricing-card--featured { background: linear-gradient(180deg, rgba(49,100,255,.08), rgba(124,71,255,.08)); border-color: rgba(49,100,255,.28); }
.badge { display: inline-block; margin-bottom: 10px; padding: 6px 10px; border-radius: 999px; background: rgba(49,100,255,.12); color: var(--primary); font-size: 13px; font-weight: 700; }
.price { margin: 8px 0 12px; font-size: 42px; font-weight: 800; color: var(--deep); }
.price span { font-size: 18px; color: var(--muted); }
.blog-grid, .blog-list { display: grid; gap: 20px; }
.blog-card, .blog-row { display: flex; flex-direction: column; justify-content: space-between; }
.blog-row { flex-direction: row; align-items: flex-end; gap: 20px; padding: 28px; }
.post-date, .article-meta, .post-keywords { color: var(--muted); font-size: 14px; }
.text-link { color: var(--primary); font-weight: 700; }
.pagination { display: flex; flex-wrap: wrap; gap: 10px; }
.pagination a, .pagination span { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 12px; border: 1px solid rgba(49,100,255,.16); background: #fff; }
.pagination .current { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; border-color: transparent; }
.article-body { background: rgba(255,255,255,.92); border: 1px solid rgba(221,229,255,.9); border-radius: 24px; box-shadow: var(--shadow); padding: 34px; }
.site-footer { padding: 64px 0 24px; border-top: 1px solid rgba(221,229,255,.9); background: linear-gradient(180deg, #f7f9ff 0%, #fff 100%); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; }
.site-footer section { display: grid; gap: 10px; }
.friend-links { margin-top: 28px; padding-top: 18px; border-top: 1px dashed rgba(49,100,255,.16); color: var(--muted); font-size: 14px; }
.friend-links__items { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; min-height: 22px; }
.copyright { margin-top: 18px; text-align: center; }
.floating-telegram { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 30; display: inline-flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 999px; color: #fff; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 16px 32px rgba(49,100,255,.24); }
.floating-telegram__icon { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255,255,255,.2); font-weight: 800; }
@media (max-width: 980px) { .hero-grid, .split-grid, .download-panel, .contact-grid, .footer-grid, .feature-grid, .pricing-grid, .blog-grid { grid-template-columns: 1fr; } .blog-row { flex-direction: column; align-items: flex-start; } .header-inner { flex-direction: column; padding: 12px 0; } }
@media (max-width: 768px) { .floating-telegram { right: 10px; padding: 10px 12px; } .floating-telegram__text { display: none; } .container { width: min(100% - 24px, 1180px); } .section, .hero, .sub-hero { padding-top: 56px; padding-bottom: 56px; } }