:root {
    --purple: #5d3df1;
    --purple-deep: #37209f;
    --blue: #1b7cff;
    --blue-deep: #0e4eca;
    --yellow: #ffcf3d;
    --yellow-deep: #ffb400;
    --ink: #16213b;
    --muted: #5f6883;
    --line: rgba(43, 68, 145, 0.12);
    --panel: rgba(255, 255, 255, 0.9);
    --panel-strong: #ffffff;
    --bg: #f7f9ff;
    --shadow: 0 18px 40px rgba(29, 57, 133, 0.14);
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(93, 61, 241, 0.18), transparent 32%),
        radial-gradient(circle at 92% 8%, rgba(27, 124, 255, 0.16), transparent 28%),
        radial-gradient(circle at 50% 100%, rgba(255, 207, 61, 0.16), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #f7f9ff 52%, #f3f6ff 100%);
    line-height: 1.8;
}

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

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

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.narrow {
    width: min(900px, 100%);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(43, 68, 145, 0.08);
}

.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: 12px;
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 1px;
}

.site-brand img {
    width: 54px;
    height: 54px;
    object-fit: contain;
}

.site-brand span {
    background: linear-gradient(90deg, var(--purple) 0%, var(--blue) 55%, var(--yellow-deep) 100%);
    -webkit-background-clip: text;
    color: transparent;
}

.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: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--ink);
    background: linear-gradient(90deg, rgba(93, 61, 241, 0.12), rgba(27, 124, 255, 0.12));
}

.page-shell {
    min-height: calc(100vh - 320px);
}

.hero,
.page-hero {
    padding: 78px 0 42px;
}

.hero-grid,
.split-grid,
.contact-grid,
.pricing-grid,
.footer-main,
.feature-grid,
.article-list,
.scene-list,
.hero-panel {
    display: grid;
    gap: 24px;
}

.hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
}

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

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

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

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

.hero-copy h1,
.page-hero h1 {
    margin: 10px 0 18px;
    line-height: 1.12;
    font-size: clamp(34px, 5vw, 66px);
}

.page-hero h1 {
    font-size: clamp(30px, 4vw, 52px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(93, 61, 241, 0.16);
    background: rgba(255, 255, 255, 0.85);
    color: var(--purple);
    font-size: 14px;
    font-weight: 800;
}

.hero-copy p,
.page-hero p,
.section-heading p,
.long-text,
.article-card p,
.article-detail p,
.contact-card p,
.price-card p,
.download-box p,
.check-card p {
    color: var(--muted);
    font-size: 17px;
}

.hero-actions,
.article-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 172px;
    padding: 13px 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: #fff;
    background: linear-gradient(90deg, var(--purple) 0%, var(--blue) 58%, var(--yellow-deep) 100%);
    box-shadow: 0 18px 30px rgba(54, 73, 182, 0.24);
}

.btn-secondary {
    color: var(--purple-deep);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(93, 61, 241, 0.16);
}

.hero-points,
.check-card ul,
.price-card ul {
    margin: 24px 0 0;
    padding-left: 20px;
    color: var(--muted);
}

.stat-card,
.feature-card,
.download-box,
.check-card,
.price-card,
.contact-card,
.article-card,
.article-detail {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-card,
.feature-card,
.check-card,
.contact-card {
    padding: 28px;
}

.stat-card strong {
    display: block;
    margin-bottom: 8px;
    font-size: 24px;
}

.section {
    padding: 34px 0 30px;
}

.section-band {
    padding: 40px 0;
    background: linear-gradient(90deg, rgba(93, 61, 241, 0.05), rgba(27, 124, 255, 0.06), rgba(255, 207, 61, 0.08));
    border-top: 1px solid rgba(43, 68, 145, 0.08);
    border-bottom: 1px solid rgba(43, 68, 145, 0.08);
}

.section-heading {
    text-align: center;
    margin-bottom: 28px;
}

.section-heading.left {
    text-align: left;
}

.section-heading span {
    color: var(--purple);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
}

.section-heading h2,
.download-box h2,
.check-card h2,
.price-card h2,
.contact-card h2,
.article-card h2,
.article-detail h2 {
    margin: 10px 0 12px;
    line-height: 1.25;
    font-size: clamp(26px, 3vw, 40px);
}

.feature-card h3,
.article-card h3,
.scene-list h3,
.download-box h3 {
    margin: 0 0 10px;
    font-size: 22px;
}

.download-box,
.article-detail {
    padding: 34px;
}

.price-card {
    padding: 32px 28px;
    position: relative;
}

.price-card.featured {
    background: linear-gradient(180deg, rgba(93, 61, 241, 0.92), rgba(27, 124, 255, 0.92));
    color: #fff;
}

.price-card.featured p,
.price-card.featured li {
    color: rgba(255, 255, 255, 0.88);
}

.price {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 207, 61, 0.16);
    color: var(--purple-deep);
    font-weight: 800;
}

.price-card.featured .price {
    color: var(--ink);
    background: rgba(255, 207, 61, 0.94);
}

.scene-list > div,
.footer-links__items,
.pager {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.scene-list > div {
    display: block;
    padding: 24px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
    border-radius: 22px;
}

.article-card {
    padding: 28px;
}

.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(27, 124, 255, 0.08);
}

.text-link {
    color: var(--purple);
    font-weight: 800;
}

.pager {
    justify-content: center;
    margin-top: 32px;
}

.pager a,
.pager span {
    min-width: 44px;
    height: 44px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.9);
    font-weight: 800;
}

.pager .active {
    color: #fff;
    background: linear-gradient(90deg, var(--purple) 0%, var(--blue) 100%);
    border-color: transparent;
}

.site-footer {
    margin-top: 50px;
    padding: 40px 0 28px;
    background: #0f1734;
    color: rgba(255, 255, 255, 0.9);
}

.footer-main {
    grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.site-footer h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: #fff;
}

.site-footer p,
.site-footer a,
.footer-copy,
.footer-links em {
    color: rgba(255, 255, 255, 0.72);
}

.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: #fff;
    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: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 30;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px 10px 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--purple) 0%, var(--blue) 70%, var(--yellow-deep) 100%);
    color: #fff;
    box-shadow: 0 20px 35px rgba(27, 124, 255, 0.28);
}

.floating-telegram__badge {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.18);
    font-weight: 900;
}

.floating-telegram__label {
    font-weight: 800;
    white-space: nowrap;
}

@media (max-width: 1100px) {
    .hero-grid,
    .split-grid,
    .pricing-grid,
    .contact-grid,
    .footer-main,
    .feature-grid,
    .article-list {
        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: 52px;
    }

    .site-brand {
        font-size: 24px;
    }

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

    .floating-telegram__label {
        display: none;
    }

    .btn {
        width: 100%;
    }
}