/* CSSVariantEngine v3.0 — zrg3-kaiyuan-app.com.cn */
/* Palette: warm-minimal | Radius: rounded | Shadow: layered */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"centered","hero":"overlay","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #87a878;
    --color-primary-dark: #6a8a5c;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135,168,120;
    --rgb-accent: 196,123,90;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 36px;
    --shadow-sm: 0 2px 10px rgba(45,45,45,0.05), 0 1px 3px rgba(45,45,45,0.04);
    --shadow-md: 0 12px 32px rgba(45,45,45,0.07), 0 4px 10px rgba(45,45,45,0.04);
    --shadow-lg: 0 24px 56px rgba(45,45,45,0.1), 0 10px 20px rgba(45,45,45,0.06);
    --space-section: 4.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(ellipse at 50% 0%, #fffdf9 0%, #faf8f3 55%, #f1ece3 100%);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    color: var(--color-primary-dark);
    text-shadow: 0 1px 0 rgba(255,255,255,0.35);
}
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: radial-gradient(ellipse at center top, rgba(135,168,120,0.06) 0%, transparent 65%);
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.7),
        inset 0 0 0 1px rgba(45,45,45,0.025),
        var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, #ffffff 0%, #fdfbf7 55%, #f4efe7 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff;
    box-shadow: 0 6px 22px rgba(135,168,120,0.3), 0 2px 6px rgba(45,45,45,0.06);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(135,168,120,0.35);
}

/* ========== 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;
    box-shadow:
        inset 4px 0 0 var(--color-primary),
        inset 0 1px 0 rgba(255,255,255,0.7),
        inset 0 0 0 1px rgba(45,45,45,0.025),
        var(--shadow-md);
}

/* 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: overlay */
/* 全屏背景+文字覆盖 */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background:
        radial-gradient(ellipse at 70% 20%, rgba(196,123,90,0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, rgba(135,168,120,0.22) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; }

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

/* 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;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 45%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* cta: card-style */
.cta-inner {
    background:
        linear-gradient(135deg, rgba(135,168,120,0.14) 0%, rgba(250,248,243,0.85) 40%, rgba(196,123,90,0.12) 100%),
        var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

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

/* 条件性装饰 */
a:not([class]):hover {
    color: var(--color-accent);
    text-decoration-color: rgba(196,123,90,0.5);
}
header, .header, .navbar {
    box-shadow: 0 4px 24px rgba(45,45,45,0.06), 0 1px 3px rgba(45,45,45,0.04);
    background: rgba(250,248,243,0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* 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: 2.25rem; --space-card: 1.1rem; --space-gap: 0.85rem; }
    .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; }
}