:root {
    --color-primary: #6b705c;
    --color-primary-dark: #1a1a14;
    --color-accent: #c44536;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 107,112,92;
    --rgb-accent: 196,69,54;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 0 rgba(26, 26, 26, 0.06);
    --shadow-md:
        0 10px 30px rgba(26, 26, 26, 0.08),
        0 2px 10px rgba(26, 26, 26, 0.06);
    --shadow-lg:
        0 18px 50px rgba(26, 26, 26, 0.10),
        0 2px 14px rgba(26, 26, 26, 0.06),
        0 0 0 1px rgba(196, 69, 54, 0.12);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 420ms cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 650;
    --body-line-height: 1.6;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
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 1px 0 rgba(26, 26, 26, 0.05),
        0 14px 40px rgba(26, 26, 26, 0.10),
        0 2px 16px rgba(26, 26, 26, 0.06),
        0 0 0 1px rgba(26, 26, 26, 0.07);
    padding: var(--space-card);
    transition:
        var(--transition),
        box-shadow 500ms cubic-bezier(0.2, 1, 0.2, 1),
        transform 500ms cubic-bezier(0.2, 1, 0.2, 1),
        background-color 500ms cubic-bezier(0.2, 1, 0.2, 1),
        border-color 500ms cubic-bezier(0.2, 1, 0.2, 1);
}
.card:hover, [class*="card"]:hover {
    box-shadow:
        0 1px 0 rgba(26, 26, 26, 0.06),
        0 22px 70px rgba(26, 26, 26, 0.14),
        0 6px 26px rgba(196, 69, 54, 0.18),
        0 0 26px rgba(196, 69, 54, 0.22),
        0 0 0 1px rgba(196, 69, 54, 0.22);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition:
        420ms cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 420ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 420ms cubic-bezier(0.22, 1, 0.36, 1),
        background-color 420ms cubic-bezier(0.22, 1, 0.36, 1),
        color 420ms cubic-bezier(0.22, 1, 0.36, 1),
        border-color 420ms cubic-bezier(0.22, 1, 0.36, 1);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-shadow: 0 1px 0 rgba(245, 241, 232, 0.6);
}
a:not([class]):hover {
    color: var(--color-accent);
    text-shadow: 0 0 16px rgba(196, 69, 54, 0.25);
}

@keyframes editorGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(196, 69, 54, 0.0), 0 0 24px rgba(196, 69, 54, 0.0); }
    50% { box-shadow: 0 0 0 0 rgba(196, 69, 54, 0.0), 0 0 24px rgba(196, 69, 54, 0.40); }
}

/* ========== 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; }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

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

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* 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-primary-dark); text-shadow: 0 1px 0 rgba(245, 241, 232, 0.85); }

/* cta: full-bg */
.cta-section {
    background: linear-gradient(135deg, rgba(196, 69, 54, 0.98), rgba(107, 112, 92, 0.98));
    color: #fff;
    padding: 4rem 2rem;
    box-shadow:
        0 22px 80px rgba(196, 69, 54, 0.18),
        0 2px 16px rgba(26, 26, 26, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.cta-section .card, .cta-section [class*="card"] { animation: editorGlow 1.8s ease-in-out infinite; }

/* 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:
        radial-gradient(1200px 500px at 20% 10%, rgba(196, 69, 54, 0.12), rgba(196, 69, 54, 0) 55%),
        radial-gradient(900px 420px at 90% 0%, rgba(107, 112, 92, 0.16), rgba(107, 112, 92, 0) 52%),
        linear-gradient(135deg, rgba(245, 241, 232, 0.95), rgba(245, 241, 232, 0.75));
}
.card { border: 1px solid rgba(196, 69, 54, .12); }
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; --radius-lg: 16px; --transition: 380ms cubic-bezier(0.22, 1, 0.36, 1); }
    .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; }
}