:root {
    --color-primary: #8b1d2b;
    --color-primary-dark: #5f101c;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 139,29,43;
    --rgb-accent: 107,112,92;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 0 rgba(26,26,26,.06), 0 2px 6px rgba(26,26,26,.06);
    --shadow-md: 0 10px 24px rgba(26,26,26,.10), 0 4px 10px rgba(26,26,26,.06), 0 1px 2px rgba(26,26,26,.05);
    --shadow-lg: 0 18px 40px rgba(26,26,26,.12), 0 10px 22px rgba(26,26,26,.08), 0 2px 6px rgba(26,26,26,.06);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(.2,.8,.2,1);
    --heading-weight: 620;
    --body-line-height: 1.75;
}

body { color: var(--color-text); line-height: var(--body-line-height); }
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: 0 18px 44px rgba(26,26,26,.12), 0 7px 18px rgba(26,26,26,.08), 0 1px 2px rgba(26,26,26,.06); padding: var(--space-card); transition: box-shadow var(--transition), transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition); background: linear-gradient(180deg, rgba(245,241,232,.98), rgba(245,241,232,.92)); border: 1px solid rgba(26,26,26,.08); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition); outline-color: rgba(139,29,43,.55); caret-color: var(--color-primary); }
a:not([class]) { color: var(--color-primary); transition: color var(--transition), text-shadow var(--transition), opacity var(--transition), border-color var(--transition); text-shadow: 0 0 0 rgba(0,0,0,0); }

/* ========== 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); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; background: radial-gradient(1200px 500px at 10% 0%, rgba(107,112,92,.20), rgba(245,241,232,.0) 55%), linear-gradient(180deg, rgba(245,241,232,.98), rgba(245,241,232,.90)); border-color: rgba(26,26,26,.10); box-shadow: 0 22px 52px rgba(26,26,26,.10), 0 8px 20px rgba(26,26,26,.06), 0 1px 2px rgba(26,26,26,.05); }
                .news-grid .card:before { border-radius: inherit; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list .card { border-radius: calc(var(--radius-lg) - 2px); background: linear-gradient(135deg, rgba(245,241,232,.98), rgba(245,241,232,.90) 55%, rgba(107,112,92,.10)); border-color: rgba(26,26,26,.09); box-shadow: 0 14px 32px rgba(26,26,26,.10), 0 5px 14px rgba(26,26,26,.06), 0 1px 2px rgba(26,26,26,.05); }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }
.hero-content { background: linear-gradient(180deg, rgba(245,241,232,.96), rgba(245,241,232,.88)); border-radius: var(--radius-xl); border: 1px solid rgba(26,26,26,.08); box-shadow: 0 24px 60px rgba(26,26,26,.10), 0 10px 24px rgba(26,26,26,.07), 0 1px 2px rgba(26,26,26,.05); padding: calc(var(--space-card) * 1.05); }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
                .testimonial-list .card { background: radial-gradient(900px 400px at 20% 0%, rgba(139,29,43,.16), rgba(245,241,232,.0) 60%), linear-gradient(180deg, rgba(245,241,232,.98), rgba(245,241,232,.90)); border-color: rgba(26,26,26,.09); box-shadow: 0 16px 38px rgba(26,26,26,.10), 0 6px 16px rgba(26,26,26,.06), 0 1px 2px rgba(26,26,26,.05); border-radius: var(--radius-lg); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }
.partner-grid .card { background: linear-gradient(180deg, rgba(245,241,232,.96), rgba(245,241,232,.88)); border-color: rgba(26,26,26,.08); box-shadow: 0 12px 28px rgba(26,26,26,.08), 0 5px 12px rgba(26,26,26,.06), 0 1px 2px rgba(26,26,26,.05); border-radius: var(--radius-lg); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card { background: linear-gradient(180deg, rgba(245,241,232,.98), rgba(245,241,232,.90)); border-color: rgba(26,26,26,.09); box-shadow: 0 18px 44px rgba(26,26,26,.10), 0 7px 18px rgba(26,26,26,.06), 0 1px 2px rgba(26,26,26,.05); }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; color: var(--color-text); text-shadow: 0 1px 0 rgba(245,241,232,.9), 0 10px 26px rgba(26,26,26,.12); }
                .stats-grid .card { background: radial-gradient(900px 360px at 50% 0%, rgba(139,29,43,.18), rgba(245,241,232,.0) 60%), linear-gradient(180deg, rgba(245,241,232,.98), rgba(245,241,232,.90)); border-color: rgba(26,26,26,.09); box-shadow: 0 20px 48px rgba(26,26,26,.10), 0 8px 22px rgba(26,26,26,.07), 0 1px 2px rgba(26,26,26,.05); border-radius: var(--radius-xl); }

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3rem; text-align: center; }
.cta-inner { background: radial-gradient(900px 420px at 10% 10%, rgba(107,112,92,.28), rgba(245,241,232,.0) 55%), radial-gradient(1000px 520px at 90% 20%, rgba(139,29,43,.18), rgba(245,241,232,.0) 52%), linear-gradient(180deg, rgba(245,241,232,.98), rgba(245,241,232,.90)); border: 1px solid rgba(26,26,26,.09); box-shadow: 0 28px 74px rgba(26,26,26,.12), 0 10px 26px rgba(26,26,26,.08), 0 2px 8px rgba(26,26,26,.06); }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, rgba(245,241,232,.0) 0%, rgba(245,241,232,.0) 18%, rgba(139,29,43,.12) 45%, rgba(107,112,92,.14) 70%, rgba(245,241,232,.0) 100%), linear-gradient(180deg, #f5f1e8, #f4efe4); }
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; }
}