/* Variant: asymmetric-blocks + glow-effects */
:root {
    --color-primary: #ff3d81;
    --color-primary-dark: #c81e5f;
    --color-accent: #00d9ff;
    --color-surface: #1b2340;
    --color-text: #f2f5ff;
    --color-bg: #0b0e1a;
    --rgb-primary: 255, 61, 129;
    --rgb-accent: 0, 217, 255;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.3), 0 0 14px rgba(0, 217, 255, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 22px rgba(255, 61, 129, 0.16);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 34px rgba(0, 217, 255, 0.24);
    --shadow-glow: 0 0 24px rgba(0, 217, 255, 0.4);
    --shadow-halo: 0 0 32px rgba(0, 217, 255, 0.6);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-bg); background-image: radial-gradient(circle at 15% -10%, rgba(127, 90, 240, 0.15), transparent 55%); caret-color: var(--color-accent); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 18px rgba(0, 217, 255, 0.12); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px rgba(0, 217, 255, 0.12), var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, var(--color-surface), #141a33); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: var(--shadow-glow), 0 4px 16px rgba(0, 0, 0, 0.3); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 12px rgba(255, 61, 129, 0.35); }

/* ========== Section Layout Variants ========== */

/* news: list-view */
/* 列表模式 (图左文右) */
.news-grid { display: flex; flex-direction: column; gap: var(--space-gap); background: rgba(255, 61, 129, 0.06); border-radius: var(--radius-lg); box-shadow: inset 0 0 40px rgba(255, 61, 129, 0.05); }
.news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; background: rgba(0, 217, 255, 0.05); border-radius: var(--radius-lg); }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; background: radial-gradient(circle at 85% 15%, rgba(0, 217, 255, 0.14), transparent 60%); border-radius: var(--radius-xl); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); background: rgba(127, 90, 240, 0.07); border-radius: var(--radius-lg); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 25s linear infinite; background: rgba(0, 217, 255, 0.04); border-radius: var(--radius-lg); }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); background: rgba(255, 61, 129, 0.05); border-radius: var(--radius-lg); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; background: linear-gradient(180deg, rgba(0, 217, 255, 0.09), rgba(127, 90, 240, 0.07)); border-radius: var(--radius-xl); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14), 0 0 40px rgba(255, 61, 129, 0.38); animation: ctaPulse 3.5s ease-in-out infinite; }
@keyframes ctaPulse {
    0%, 100% { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14), 0 0 30px rgba(255, 61, 129, 0.3); }
    50% { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2), 0 0 52px rgba(0, 217, 255, 0.55); }
}

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px rgba(0, 217, 255, 0.3), var(--shadow-lg), var(--shadow-halo); filter: brightness(1.08) saturate(1.1); }
.card { border-left: 3px solid var(--color-accent); }

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}
@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}