/* CSSVariantEngine v3.0 — hth-wap7.com.cn */
/* Palette: mosaic-glow | Radius: medium | Shadow: glow */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"with-sidebar","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #2e1065;
    --color-accent: #f43f5e;
    --color-surface: #faf6f0;
    --color-text: #1c1917;
    --rgb-primary: 124,58,237;
    --rgb-accent: 244,63,94;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 10px rgba(var(--rgb-primary), .1), 0 0 18px rgba(var(--rgb-accent), .08);
    --shadow-md: 0 4px 20px rgba(var(--rgb-primary), .14), 0 0 24px rgba(var(--rgb-accent), .12);
    --shadow-lg: 0 8px 32px rgba(var(--rgb-primary), .22), 0 0 32px rgba(var(--rgb-accent), .2);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.3s cubic-bezier(.22,1,.36,1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

@keyframes card-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(var(--card-accent-rgb, var(--rgb-primary)), .18), 0 0 24px rgba(var(--card-accent-rgb, var(--rgb-primary)), .35); }
    50% { box-shadow: 0 4px 20px rgba(var(--card-accent-rgb, var(--rgb-primary)), .22), 0 0 30px rgba(var(--card-accent-rgb, var(--rgb-primary)), .5); }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 28px rgba(var(--rgb-primary), .25); }
    50% { box-shadow: 0 0 44px rgba(var(--rgb-primary), .4); }
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); padding: var(--space-card); transition: var(--transition); background: #fffdf8; box-shadow: 0 4px 20px rgba(var(--card-accent-rgb, var(--rgb-primary)), .18), 0 0 24px rgba(var(--card-accent-rgb, var(--rgb-primary)), .35); animation: card-pulse 4s ease-in-out infinite; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 2px 14px rgba(var(--rgb-accent), .22); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
.news-grid { --card-accent: #f43f5e; --card-accent-rgb: 244,63,94; display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* features: centered */
.feature-list { --card-accent: #8b5cf6; --card-accent-rgb: 139,92,246; display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: split */
.hero-inner { --card-accent: #f97316; --card-accent-rgb: 249,115,22; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: carousel */
.testimonial-list { --card-accent: #06b6d4; --card-accent-rgb: 6,182,212; display: flex; overflow: hidden; }
.testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-4 */
.partner-grid { --card-accent: #f59e0b; --card-accent-rgb: 245,158,11; display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: with-sidebar */
.faq-wrapper { --card-accent: #ec4899; --card-accent-rgb: 236,72,153; display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-4 */
.stats-grid { --card-accent: #10b981; --card-accent-rgb: 16,185,129; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section { --card-accent: #c026d3; --card-accent-rgb: 192,38,211; background: linear-gradient(135deg, #7c3aed 0%, #c026d3 50%, #2e1065 100%); color: #fff; padding: 4rem 2rem; box-shadow: 0 0 40px rgba(var(--rgb-primary), .3); text-shadow: 0 0 20px rgba(255,255,255,.3); animation: glow-pulse 3.5s ease-in-out infinite; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 10px 36px rgba(var(--card-accent-rgb, var(--rgb-primary)), .24), 0 0 32px rgba(var(--card-accent-rgb, var(--rgb-primary)), .6); animation: none; }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 14px rgba(var(--rgb-accent), .45); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #7c3aed 0%, #c026d3 55%, #2e1065 100%); box-shadow: 0 8px 32px rgba(var(--rgb-primary), .22); }
.card { border-left: 3px solid var(--card-accent, var(--color-primary)); }
header, .header, .navbar { background: transparent; }

/* 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; }
}