/* CSSVariantEngine v3.0 — intl-m-huatihui.com.cn */
/* Palette: violet-amber | Radius: rounded | Shadow: glow */
/* Spacing: asymmetric | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"centered","hero":"centered","testimonials":"stacked","partners":"centered","faq":"with-sidebar","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #a78bfa;
    --color-primary-dark: #4c1d95;
    --color-accent: #f59e0b;
    --color-surface: #1b1533;
    --color-text: #f5f3ff;
    --rgb-primary: 167,139,250;
    --rgb-accent: 245,158,11;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), .15), 0 2px 6px rgba(0,0,0,.4);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), .25), 0 8px 16px rgba(0,0,0,.5);
    --shadow-lg: 0 0 36px rgba(var(--rgb-accent), .4), 0 16px 32px rgba(0,0,0,.6);
    --space-section: 2.25rem;
    --space-card: 1.125rem;
    --space-gap: 0.875rem;
    --transition: 0.3s ease-in-out;
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #0b0817; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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(var(--rgb-primary), .08); border-radius: var(--radius-lg); }
.news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: centered */
/* 居中大卡片 */
.feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; background: rgba(var(--rgb-accent), .06); border-radius: var(--radius-md); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; background: rgba(var(--rgb-primary), .06); border-radius: var(--radius-lg); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.25rem; background: rgba(var(--rgb-accent), .05); border-radius: var(--radius-md); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 1.75rem; background: rgba(var(--rgb-primary), .05); border-radius: var(--radius-lg); box-shadow: 0 0 24px rgba(var(--rgb-accent), .08); }

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 2.75rem; background: rgba(var(--rgb-accent), .06); border-radius: var(--radius-md); }

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3.25rem; text-align: center; box-shadow: 0 0 32px rgba(var(--rgb-accent), .3), 0 16px 32px rgba(0,0,0,.5); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 0 32px rgba(var(--rgb-accent), .6), 0 16px 32px rgba(0,0,0,.55); }
a:not([class]):hover { color: var(--color-accent); }
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 16px rgba(var(--rgb-accent), .15), 0 0 0 rgba(var(--rgb-accent), 0); }
    50% { box-shadow: 0 0 36px rgba(var(--rgb-accent), .45), 0 0 64px rgba(var(--rgb-accent), .12); }
}
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(circle at 20% 30%, rgba(var(--rgb-accent), .18), transparent 55%), linear-gradient(135deg, var(--color-primary-dark), #0b0817); animation: glow-pulse 5s ease-in-out infinite; }
.card { border: 1px solid rgba(var(--rgb-accent), .35); }

/* 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: 1.75rem; --space-card: 0.875rem; --space-gap: 0.625rem; }
    .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; }
}