:root {
    --bg: #05030b;
    --bg-soft: #130b24;
    --panel: rgba(18, 13, 34, 0.86);
    --panel-border: rgba(187, 155, 255, 0.18);
    --text: #f7f5ff;
    --muted: #cbbfe4;
    --primary: #8e52ff;
    --primary-strong: #b587ff;
    --white: #ffffff;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    font: 16px/1.8 "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(162, 118, 255, 0.22), transparent 30%),
        radial-gradient(circle at 85% 20%, rgba(111, 65, 255, 0.18), transparent 25%),
        linear-gradient(180deg, #06030d 0%, #090512 42%, #05030b 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}

.narrow {
    width: min(860px, 100%);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(5, 3, 11, 0.72);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 84px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 22px;
}

.site-brand img {
    width: 48px;
    height: 48px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--muted);
    transition: color .2s ease, transform .2s ease;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--white);
    transform: translateY(-1px);
}

.page-shell {
    min-height: calc(100vh - 84px);
}

.hero,
.page-hero {
    padding: 88px 0 56px;
}

.hero-home {
    min-height: calc(100vh - 84px);
    display: flex;
    align-items: center;
}

.hero-grid,
.split-section,
.footer-grid {
    display: grid;
    gap: 28px;
}

.hero-grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: center;
}

.hero-copy h1,
.page-hero h1,
.section-head h2,
.split-section h2 {
    margin: 0 0 18px;
    line-height: 1.1;
}

.hero-copy h1,
.page-hero h1 {
    font-size: clamp(40px, 6vw, 72px);
}

.section-head h2,
.split-section h2 {
    font-size: clamp(28px, 4vw, 46px);
}

.hero-copy p,
.page-hero p,
.split-section p,
.feature-card p,
.price-card p,
.article-card p,
.glass-panel p {
    color: var(--muted);
}

.eyebrow {
    display: inline-flex;
    margin-bottom: 16px;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--white);
    background: rgba(142, 82, 255, 0.14);
    border: 1px solid rgba(186, 150, 255, 0.18);
    letter-spacing: .08em;
    font-size: 13px;
}

.hero-actions,
.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 30px 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: linear-gradient(135deg, var(--primary), #c29cff);
    color: #11071f;
    box-shadow: 0 18px 38px rgba(142, 82, 255, 0.34);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-points span,
.article-meta span,
.footer-links span {
    color: var(--muted);
}

.hero-points span {
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-panel,
.glass-panel,
.hero-card,
.feature-card,
.price-card,
.article-card,
.article-detail,
.scenario-grid article {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.hero-panel {
    padding: 30px;
}

.hero-card {
    padding: 28px;
    margin-bottom: 20px;
}

.hero-card strong,
.feature-card h3,
.price-card h3,
.glass-panel h3 {
    font-size: 24px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.hero-stats article,
.price-card,
.feature-card,
.glass-panel,
.scenario-grid article {
    padding: 24px;
}

.hero-stats b {
    display: block;
    margin-bottom: 8px;
    font-size: 34px;
    color: var(--primary-strong);
}

.section {
    padding: 72px 0;
}

.section-dark {
    background: linear-gradient(180deg, rgba(15, 10, 28, 0.92) 0%, rgba(9, 6, 18, 0.96) 100%);
}

.section-gradient {
    background:
        radial-gradient(circle at 20% 0%, rgba(164, 106, 255, 0.16), transparent 28%),
        linear-gradient(180deg, rgba(9, 6, 18, 0.98), rgba(16, 10, 31, 0.98));
}

.section-head {
    margin-bottom: 30px;
}

.card-grid.three,
.scenario-grid,
.pricing-grid,
.article-list {
    display: grid;
    gap: 20px;
}

.card-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-section {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
}

.check-list,
.ordered-list {
    margin: 24px 0 0;
    padding-left: 22px;
}

.check-list li,
.ordered-list li {
    margin-bottom: 12px;
    color: var(--muted);
}

.scenario-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card span {
    color: var(--primary-strong);
}

.price-card b {
    display: block;
    margin: 18px 0 10px;
    font-size: 40px;
}

.price-card.featured {
    background: linear-gradient(180deg, rgba(132, 74, 255, 0.25), rgba(20, 12, 37, 0.95));
}

.article-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-card {
    padding: 26px;
}

.article-card h2,
.article-card h3 {
    margin: 12px 0;
    font-size: 26px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 14px;
}

.text-link {
    color: var(--primary-strong);
    font-weight: 700;
}

.article-detail {
    padding: 34px;
}

.article-detail p {
    margin: 0 0 22px;
    color: var(--muted);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pagination a.active {
    background: var(--primary);
    color: #12091f;
    border-color: transparent;
}

.site-footer {
    padding: 36px 0 28px;
    background: rgba(5, 3, 11, 0.96);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    grid-template-columns: 1.2fr .8fr .8fr;
}

.footer-grid section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-grid p,
.footer-grid a,
.footer-links em {
    color: var(--muted);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-links__items {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-copy {
    margin-top: 22px;
    color: rgba(203, 191, 228, 0.68);
    font-size: 14px;
}

.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;
    background: linear-gradient(135deg, #8e52ff, #1d1333);
    color: #fff;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.42);
}

.floating-telegram__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    font-weight: 700;
}

@media (max-width: 1100px) {
    .hero-grid,
    .split-section,
    .footer-grid,
    .card-grid.three,
    .scenario-grid,
    .pricing-grid,
    .article-list {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .header-inner {
        flex-direction: column;
        justify-content: center;
        padding: 16px 0;
    }

    .site-nav {
        justify-content: center;
    }

    .hero,
    .page-hero,
    .section {
        padding: 56px 0;
    }

    .container {
        width: min(100% - 24px, 1200px);
    }

    .floating-telegram {
        right: 12px;
        padding: 10px 12px;
    }

    .floating-telegram__text {
        display: none;
    }
}