:root {
    --color-primary: #8e2f6b;
    --color-primary-dark: #3f0f30;
    --color-accent: #ff8a3d;
    --color-surface: #fdeef4;
    --color-text: #2a1922;
    --rgb-primary: 142,47,107;
    --rgb-accent: 255,138,61;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-primary),.08), 0 3px 10px -2px rgba(var(--rgb-primary),.10);
    --shadow-md: 0 2px 4px rgba(var(--rgb-primary),.07), 0 10px 24px -6px rgba(var(--rgb-primary),.15), 0 24px 48px -18px rgba(var(--rgb-accent),.18);
    --shadow-lg: 0 4px 8px rgba(var(--rgb-primary),.08), 0 18px 40px -10px rgba(var(--rgb-primary),.20), 0 40px 80px -30px rgba(var(--rgb-accent),.24);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fcf8fa 0%, #f2eef4 45%, #f8f3f7 100%); caret-color: var(--color-primary); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 0 rgba(255,255,255,.55); }
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); }
.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: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section { background: linear-gradient(122deg, #3f0f30 0%, #6b1f52 32%, #8e2f6b 58%, #c2418a 78%, #ff8a3d 100%); color: #fff8f4; padding: 4rem 2rem; box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 -20px 60px -30px rgba(63,15,48,.45); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #3f0f30 0%, #6b1f52 30%, #8e2f6b 55%, #d9568f 78%, #ff8a3d 100%); }
.card { border: 1px solid rgba(var(--rgb-primary), .14); border-style: solid; }

/* 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; --radius-lg: 16px; --shadow-md: 0 1px 2px rgba(var(--rgb-primary),.08), 0 8px 20px -8px rgba(var(--rgb-primary),.16); }
    .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; }
}