/* CSSVariantEngine v3.0 — jingdongdianjing.org.cn */
/* Palette: warm amber-emerald | Radius: soft rounded | Shadow: multi-layer gradient tinted */
/* Spacing: wide strip | Transition: smooth long */
/* Section layouts: {"news":"featured-left","features":"grid-4","hero":"overlay","testimonials":"grid-3","partners":"grid-4","faq":"single-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #d97706;
    --color-primary-dark: #92400e;
    --color-accent: #16a34a;
    --color-surface: #fffbeb;
    --color-text: #1c1917;
    --rgb-primary: 217, 119, 6;
    --rgb-accent: 22, 163, 74;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 10px rgba(var(--rgb-primary), 0.12);
    --shadow-md: 0 6px 22px rgba(var(--rgb-accent), 0.15), 0 2px 6px rgba(0,0,0,0.06);
    --shadow-lg: 0 14px 45px rgba(var(--rgb-primary), 0.18), 0 4px 12px rgba(var(--rgb-accent), 0.1);
    --space-section: 4.5rem;
    --space-card: 1.1rem;
    --space-gap: 0.8rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #ffffff 0%, #fffbeb 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
section:nth-child(even) { background: linear-gradient(90deg, #fffbeb 0%, #fef9c3 50%, #fffbeb 100%); }
section:nth-child(odd):not(.hero) { background: linear-gradient(180deg, #ffffff 0%, #fefce8 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #fffef5 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; border: 0; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
.news-grid > *:first-child { grid-row: span 2; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* 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: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); 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; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

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

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(120deg, #14532d 0%, #166534 35%, #92400e 75%, #78350f 100%); color: white; }
.card { border-left: 4px solid; border-image: linear-gradient(to bottom, var(--color-primary), var(--color-accent)) 1; }

/* 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: 2.2rem; --space-card: 1.1rem; --space-gap: 0.8rem; }
    .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; }
}