/* CSSVariantEngine v3.0 — home5-crowntiyu.com.cn */
/* Palette: warm-minimal | Radius: soft | Shadow: layered */
/* Spacing: vertical-flow | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"grid-4","hero":"left-aligned","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #526b4b;
    --color-primary-dark: #2f402c;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 82,107,75;
    --rgb-accent: 135,168,120;
    --radius-sm: 3px;
    --radius-md: 9px;
    --radius-lg: 16px;
    --radius-xl: 26px;
    --shadow-sm: 0 2px 6px rgba(45,45,45,.07), 0 1px 2px rgba(45,45,45,.05);
    --shadow-md: 0 8px 20px rgba(45,45,45,.09), 0 2px 6px rgba(45,45,45,.05);
    --shadow-lg: 0 18px 36px rgba(45,45,45,.12), 0 4px 10px rgba(45,45,45,.06);
    --space-section: 3.5rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    background: linear-gradient(180deg, #faf8f3 0%, #f5f1e8 40%, #eef0e6 100%);
    line-height: var(--body-line-height);
}

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: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, #fdfbf7 0%, #f6f2e9 100%);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #87a878 0%, #526b4b 55%, #2f402c 100%);
    box-shadow: 0 4px 14px rgba(82,107,75,.28);
}

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: left-aligned */
.hero-content {
    text-align: left;
    max-width: 600px;
    text-shadow: 0 2px 12px rgba(45,45,45,.3);
}

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid {
    display: flex;
    gap: 2rem;
    overflow: hidden;
    animation: partnerScroll 26s linear infinite;
}

@keyframes partnerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* stats: grid-3 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-gap);
    text-align: center;
}

/* cta: card-style */
.cta-inner {
    background: linear-gradient(135deg, #eef1e6 0%, #faf8f3 45%, #f3e9df 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: 0 0 0 1px rgba(135,168,120,.28), var(--shadow-lg);
}

/* 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(ellipse at 15% 20%, rgba(135,168,120,.32), transparent 50%),
        linear-gradient(135deg, #2f402c 0%, #2d2d2d 45%, #4a5f44 100%);
}

.card {
    border: 1px solid transparent;
    background:
        linear-gradient(180deg, #fdfbf7 0%, #f6f2e9 100%) padding-box,
        linear-gradient(135deg, rgba(135,168,120,.6) 0%, rgba(82,107,75,.15) 40%, rgba(47,64,44,.35) 100%) border-box;
}

header, .header, .navbar {
    background: linear-gradient(180deg, rgba(250,248,243,.88) 0%, rgba(250,248,243,.55) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* 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; }
}