:root {
    --bg: #07070f;
    --bg-soft: #11131d;
    --bg-card: rgba(18, 18, 30, 0.86);
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(178, 125, 255, 0.36);
    --text: #ffffff;
    --muted: #c7c4da;
    --muted-strong: #ece9ff;
    --accent: #8a4dff;
    --accent-2: #c086ff;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
    --radius: 26px;
    --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top left, rgba(138,77,255,0.22), transparent 28%), radial-gradient(circle at 88% 12%, rgba(255,255,255,0.08), transparent 18%), linear-gradient(180deg, #04040a 0%, #0b0b13 48%, #07070f 100%);
    min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 40px)); margin: 0 auto; }
.page-glow { position: fixed; pointer-events: none; filter: blur(30px); opacity: 0.6; z-index: 0; }
.page-glow--one { width: 340px; height: 340px; top: 100px; left: -100px; background: rgba(138, 77, 255, 0.22); }
.page-glow--two { width: 300px; height: 300px; right: 2%; top: 420px; background: rgba(192, 134, 255, 0.12); }
.site-header, .site-main, .site-footer { position: relative; z-index: 1; }
.site-header { position: sticky; top: 0; backdrop-filter: blur(18px); background: rgba(7,7,15,0.78); border-bottom: 1px solid var(--line); z-index: 10; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; }
.site-brand { display: inline-flex; align-items: center; gap: 14px; font-size: 24px; font-weight: 700; letter-spacing: 1px; }
.site-brand img { width: 44px; height: 44px; border-radius: 12px; box-shadow: 0 10px 28px rgba(138,77,255,0.22); }
.site-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.site-nav a { padding: 10px 14px; border-radius: 999px; color: var(--muted); transition: .25s ease; }
.site-nav a:hover, .site-nav a.active { color: #fff; background: rgba(138,77,255,0.16); }
.hero, .page-hero { padding: 96px 0 50px; }
.hero--home { padding-top: 110px; }
.hero__grid, .split-grid, .contact-grid, .download-panel, .footer-grid { display: grid; gap: 28px; }
.hero__grid { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
.eyebrow { display: inline-flex; padding: 8px 14px; border-radius: 999px; background: rgba(138,77,255,0.14); color: var(--muted-strong); font-size: 13px; letter-spacing: 1px; }
.hero h1, .page-hero h1, .section-head h2 { margin: 18px 0 14px; line-height: 1.08; }
.hero h1 { font-size: clamp(42px, 7vw, 74px); max-width: 780px; }
.page-hero h1, .section-head h2 { font-size: clamp(32px, 4vw, 52px); }
.hero__lead, .page-hero p, .section-head p, .feature-card p, .article-card p, .stack-list p, .timeline-grid p, .cta-box p, .price-card p, .contact-card p, .footer-grid p, .post-body p { color: var(--muted); line-height: 1.9; font-size: 16px; }
.hero__actions, .cta-box__actions, .post-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 26px; border-radius: 999px; border: 1px solid transparent; font-weight: 700; transition: .25s ease; }
.button--primary { color: #fff; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%); box-shadow: 0 16px 40px rgba(138,77,255,0.28); }
.button--ghost { color: #fff; border-color: var(--line-strong); background: rgba(255,255,255,0.03); }
.button:hover { transform: translateY(-2px); }
.hero__meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; list-style: none; padding: 0; margin: 30px 0 0; }
.hero__meta li, .hero-panel__card, .feature-card, .article-card, .timeline-grid article, .stack-list article, .price-card, .contact-card, .download-panel, .pager, .cta-box { border: 1px solid var(--line); background: var(--bg-card); backdrop-filter: blur(14px); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero__meta li { padding: 18px; color: var(--muted-strong); }
.hero-panel__card, .feature-card, .article-card, .timeline-grid article, .stack-list article, .price-card, .contact-card { padding: 28px; }
.hero-panel__card h2, .feature-card h2, .feature-card h3, .article-card h2, .article-card h3, .stack-list h3, .timeline-grid h3, .price-card h2, .contact-card h2 { margin-top: 0; }
.stat-grid, .card-grid, .timeline-grid, .article-grid, .price-grid { display: grid; gap: 20px; }
.stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 22px; }
.stat-grid article { padding: 18px; border-radius: 22px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); }
.stat-grid strong, .price-card strong { display: block; margin-bottom: 8px; font-size: 20px; }
.stat-grid span { color: var(--muted); font-size: 14px; line-height: 1.7; }
.section { padding: 40px 0 46px; }
.section--tight { padding-top: 10px; }
.section--contrast { padding: 60px 0; background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(138,77,255,0.08), rgba(255,255,255,0.02)); }
.section--cta { padding-bottom: 80px; }
.section-head { margin-bottom: 26px; text-align: center; }
.section-head--left { text-align: left; }
.card-grid--three, .timeline-grid, .price-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid--two, .contact-grid, .download-panel, .split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card--tall p + p { margin-top: 18px; }
.stack-list { display: grid; gap: 18px; }
.timeline-grid article span { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 16px; background: rgba(138,77,255,0.18); color: #fff; font-weight: 700; }
.article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.article-card time, .post-time { color: #d3b8ff; font-size: 14px; }
.text-link { color: #d6b7ff; font-weight: 700; }
.download-panel { padding: 30px; align-items: start; }
.bullet-list { margin: 16px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.9; }
.price-card { position: relative; }
.price-card--featured { border-color: var(--line-strong); transform: translateY(-8px); }
.price-badge { position: absolute; top: 18px; right: 18px; padding: 7px 12px; border-radius: 999px; background: rgba(138,77,255,0.18); color: #fff; font-size: 12px; }
.pager { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 24px; padding: 18px 20px; }
.pager a { color: #fff; padding: 10px 14px; border-radius: 999px; background: rgba(138,77,255,0.15); }
.post-body { padding: 34px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(12,12,20,0.82); box-shadow: var(--shadow); }
.post-body p { margin: 0 0 22px; font-size: 17px; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 34px; background: linear-gradient(135deg, rgba(138,77,255,0.18), rgba(255,255,255,0.05)); }
.site-footer { padding: 24px 0 40px; border-top: 1px solid var(--line); background: rgba(0,0,0,0.24); }
.footer-grid { grid-template-columns: 1.3fr .8fr .9fr; padding: 28px 0; }
.footer-grid section { display: grid; gap: 10px; }
.footer-grid a { color: var(--muted); }
.footer-links { display: flex; align-items: center; gap: 14px; padding: 16px 0 10px; border-top: 1px solid var(--line); color: var(--muted); flex-wrap: wrap; }
.footer-links__items { display: flex; flex-wrap: wrap; gap: 12px; }
.footer-copy { padding-top: 10px; color: rgba(255,255,255,.48); font-size: 13px; }
.floating-telegram { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 20; display: inline-flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 999px; background: linear-gradient(135deg, #8a4dff 0%, #3d1a77 100%); color: #fff; box-shadow: 0 20px 45px rgba(78,28,148,.4); border: 1px solid rgba(255,255,255,.16); }
.floating-telegram__icon { width: 34px; height: 34px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: rgba(255,255,255,.16); font-weight: 700; }
.floating-telegram__text { font-size: 14px; white-space: nowrap; }
@media (max-width: 1080px) {
    .hero__grid, .card-grid--two, .contact-grid, .download-panel, .split-grid, .footer-grid, .card-grid--three, .timeline-grid, .price-grid, .article-grid { grid-template-columns: 1fr; }
    .hero__meta { grid-template-columns: 1fr; }
    .cta-box { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 760px) {
    .container, .narrow { width: min(calc(100% - 28px), 100%); }
    .site-header__inner { flex-direction: column; align-items: flex-start; }
    .site-brand { font-size: 22px; }
    .site-nav { width: 100%; }
    .site-nav a { padding: 10px 12px; }
    .hero, .page-hero { padding-top: 82px; }
    .hero h1 { font-size: 38px; }
    .page-hero h1, .section-head h2 { font-size: 30px; }
    .hero-panel__card, .feature-card, .article-card, .timeline-grid article, .stack-list article, .price-card, .contact-card, .post-body, .cta-box, .download-panel { padding: 22px; }
    .floating-telegram { right: 10px; padding: 10px 12px; }
    .floating-telegram__text { display: none; }
}