:root {
    --color-primary: #b45309;
    --color-primary-dark: #78350f;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #431407;
    --rgb-primary: 180,83,9;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 3px rgba(120,53,15,.14), 0 3px 10px rgba(245,158,11,.10);
    --shadow-md: 0 4px 14px rgba(120,53,15,.13), 0 10px 30px rgba(245,158,11,.12);
    --shadow-lg: 0 10px 34px rgba(120,53,15,.16), 0 20px 60px rgba(245,158,11,.14);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 40%, #fffbeb 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: linear-gradient(135deg, rgba(255,251,235,.9) 0%, rgba(254,243,199,.75) 50%, rgba(255,247,237,.9) 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, #ffffff 0%, #fffbeb 55%, #fef3c7 100%);
    border: 1px solid rgba(245,158,11,.25);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 50%, #fbbf24 100%);
    color: #ffffff;
    box-shadow: 0 3px 12px rgba(217,119,6,.30), 0 8px 24px rgba(245,158,11,.22);
    border: 1px solid rgba(180,83,9,.35);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(245,158,11,.6);
}

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

/* news: grid-3 */
                .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: minimal */
.hero {
    padding: 2rem 0;
    background: linear-gradient(120deg, #fffbeb 0%, #fde68a 45%, #fef3c7 100%);
}
.hero-content { max-width: 560px; }

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

/* partners: grid-6 */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-gap);
    align-items: center;
    background: linear-gradient(90deg, rgba(254,243,199,.4) 0%, rgba(255,251,235,.7) 50%, rgba(254,243,199,.4) 100%);
    border-radius: var(--radius-lg);
}

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

/* stats: inline */
/* 水平排列 */
                .stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    background: linear-gradient(135deg, #78350f 0%, #b45309 50%, #92400e 100%);
    border-radius: var(--radius-xl);
    box-shadow: 0 12px 40px rgba(120,53,15,.28), inset 0 1px 0 rgba(255,255,255,.15);
}

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.card {
    border-left: 3px solid var(--color-primary);
    background: linear-gradient(160deg, #ffffff 0%, #fffbeb 50%, #fef3c7 100%);
}
header, .header, .navbar {
    background: linear-gradient(180deg, rgba(255,251,235,.95) 0%, rgba(254,243,199,.85) 100%);
    backdrop-filter: blur(10px) saturate(1.2);
    box-shadow: 0 2px 14px rgba(120,53,15,.10);
}

/* 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; }
}