:root {
    --color-primary: #c44536;
    --color-primary-dark: #8f2f24;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 107,112,92;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 3px rgba(26,26,26,.10), 0 1px 2px rgba(196,69,54,.05);
    --shadow-md: 0 6px 18px rgba(26,26,26,.10), 0 2px 6px rgba(196,69,54,.08);
    --shadow-lg: 0 18px 42px rgba(26,26,26,.14), 0 6px 16px rgba(196,69,54,.12);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f5f1e8 0%, #efe9dc 55%, #f5f1e8 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #1a1a1a; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(135deg, rgba(245,241,232,0.9) 0%, rgba(239,233,220,0.85) 50%, rgba(245,241,232,0.95) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(160deg, #fbf8f1 0%, #f5f1e8 45%, #efe9dc 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #c44536 0%, #a5382b 60%, #8f2f24 100%); color: #f5f1e8; box-shadow: 0 4px 14px rgba(196,69,54,.28), 0 1px 3px rgba(26,26,26,.12); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* 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; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; background: linear-gradient(120deg, rgba(196,69,54,0.06) 0%, rgba(245,241,232,0) 60%, rgba(107,112,92,0.05) 100%); }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; background: linear-gradient(150deg, #fbf8f1 0%, #f0eadc 100%); border-radius: var(--radius-lg); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); 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: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: linear-gradient(135deg, rgba(196,69,54,0.08) 0%, rgba(245,241,232,0.4) 50%, rgba(107,112,92,0.08) 100%); border-radius: var(--radius-xl); }

/* 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: var(--shadow-lg); }
.card { border-left: 3px solid var(--color-primary); border-image: linear-gradient(180deg, #c44536 0%, #6b705c 100%) 1; }
header, .header, .navbar { box-shadow: 0 2px 10px rgba(26,26,26,.08), 0 1px 3px rgba(196,69,54,.06); background: linear-gradient(180deg, #fbf8f1 0%, #f5f1e8 100%); }

/* 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; }
}