:root {
    --color-primary: #c44536;
    --color-primary-dark: #7f1d2a;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 107,112,92;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 0 rgba(26,26,26,.08), 0 10px 22px rgba(196,69,54,.10);
    --shadow-md: 0 10px 26px rgba(26,26,26,.10), 0 0 0 1px rgba(196,69,54,.12);
    --shadow-lg: 0 22px 56px rgba(26,26,26,.14), 0 0 42px rgba(196,69,54,.20), 0 0 0 1px rgba(196,69,54,.16);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 420ms cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); letter-spacing: -0.01em; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: 16px;
    box-shadow:
        0 10px 28px rgba(26,26,26,.10),
        0 2px 0 rgba(26,26,26,.05),
        0 0 0 1px rgba(107,112,92,.14),
        0 0 22px rgba(196,69,54,.16);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(180deg, rgba(245,241,232,.92), rgba(245,241,232,.78));
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: 14px;
    transition: 520ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 520ms cubic-bezier(0.16, 1, 0.3, 1), transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
    filter: saturate(1.02);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(196,69,54,.35); }
a:not([class]):hover { text-decoration-color: rgba(196,69,54,.75); }

.card:hover, [class*="card"]:hover {
    box-shadow:
        0 16px 44px rgba(26,26,26,.14),
        0 0 0 1px rgba(196,69,54,.18),
        0 0 32px rgba(196,69,54,.32),
        0 0 72px rgba(196,69,54,.14);
    transform: translateY(-1px);
}

.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow:
        0 16px 44px rgba(26,26,26,.14),
        0 0 0 1px rgba(107,112,92,.18),
        0 0 32px rgba(196,69,54,.28);
    transform: translateY(-1px);
}

.feature-list, .news-grid, .testimonial-list, .faq-list { color: var(--color-text); }
.news-grid .card, .feature-list .card, .testimonial-list .card, .faq-list .card, .partner-grid .card, .stats-grid .card, .cta-inner .card { background: transparent; }

@keyframes cardGlowPulse {
    0%, 100% { box-shadow: 0 10px 28px rgba(26,26,26,.10), 0 0 0 1px rgba(107,112,92,.14), 0 0 22px rgba(196,69,54,.16); }
    50% { box-shadow: 0 14px 40px rgba(26,26,26,.12), 0 0 0 1px rgba(196,69,54,.18), 0 0 34px rgba(196,69,54,.28); }
}

.card, [class*="card"] { animation: cardGlowPulse 7s ease-in-out infinite; }

/* ========== 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-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }

/* 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: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* 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; text-shadow: 0 2px 0 rgba(26,26,26,.06), 0 0 28px rgba(196,69,54,.18); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(1200px 520px at 12% 10%, rgba(196,69,54,.30) 0%, rgba(196,69,54,0) 55%),
        radial-gradient(900px 420px at 85% 20%, rgba(107,112,92,.26) 0%, rgba(107,112,92,0) 52%),
        linear-gradient(135deg, rgba(245,241,232,.65), rgba(245,241,232,.15)),
        linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    background-blend-mode: soft-light, soft-light, normal, multiply;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.55);
}
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; }
}