:root {
    --color-primary: #7a1f3d;
    --color-primary-dark: #2b0a1a;
    --color-accent: #f0a04b;
    --color-surface: #fdf6ee;
    --color-text: #2b0a1a;
    --rgb-primary: 122,31,61;
    --rgb-accent: 240,160,75;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --shadow-sm: 0 1px 2px rgba(43,10,26,.10), 0 0 0 1px rgba(240,160,75,.12);
    --shadow-md: 0 8px 20px -6px rgba(43,10,26,.18), 0 2px 6px rgba(122,31,61,.10), 0 0 0 1px rgba(240,160,75,.16);
    --shadow-lg: 0 22px 48px -16px rgba(43,10,26,.30), 0 10px 22px -10px rgba(122,31,61,.22), 0 0 0 1px rgba(240,160,75,.20);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    --gradient-strip-light: linear-gradient(180deg, #fdf6ee 0%, #fbeedd 48%, #f7e2cd 100%);
    --gradient-strip-card: linear-gradient(160deg, #ffffff 0%, #fff6ea 52%, #ffe9cf 100%);
    --gradient-strip-dark: linear-gradient(135deg, #2b0a1a 0%, #4d1030 32%, #7a1f3d 68%, #b8335a 100%);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--gradient-strip-light); }
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); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--gradient-strip-card); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); color: #fff7ed; background-image: linear-gradient(135deg, #7a1f3d 0%, #b8335a 55%, #f0a04b 100%); box-shadow: 0 10px 24px -10px rgba(122,31,61,.70), inset 0 1px 0 rgba(255,247,237,.35); outline: 2px solid transparent; outline-offset: 2px; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(240,160,75,.65); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

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

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(circle at 18% 12%, rgba(240,160,75,.24) 0%, rgba(240,160,75,.08) 38%, rgba(253,246,238,0) 70%), linear-gradient(115deg, #fdf6ee 0%, #fbeedd 55%, #f7e2cd 100%); } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* 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: var(--gradient-strip-dark); color: #fff7ed; padding: 4rem 2rem; border-radius: var(--radius-xl); box-shadow: inset 0 0 0 1px rgba(240,160,75,.28), inset 0 0 90px rgba(240,160,75,.10), 0 24px 56px -22px rgba(43,10,26,.62); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-accent), .34); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(253,246,238,.96) 0%, rgba(253,246,238,.74) 58%, rgba(253,246,238,0) 100%); backdrop-filter: blur(10px) saturate(140%); box-shadow: 0 12px 30px -22px rgba(43,10,26,.45); }

/* 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; }
}