/* CSSVariantEngine v3.0 — int-zhongcai.com.cn */
/* Palette: warm terracotta | Radius: soft rounded | Shadow: multi-layer gradient tinted */
/* Spacing: generous vertical | Transition: smooth long curve */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"overlay","testimonials":"masonry","partners":"grid-6","faq":"single-column","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a86345;
    --color-accent: #e2a98a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 226,169,138;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 10px rgba(196, 123, 90, 0.07), 0 1px 3px rgba(45, 45, 45, 0.04);
    --shadow-md: 0 9px 28px rgba(196, 123, 90, 0.13), 0 4px 12px rgba(45, 45, 45, 0.06), 0 1px 4px rgba(226, 169, 138, 0.08);
    --shadow-lg: 0 18px 52px rgba(196, 123, 90, 0.19), 0 7px 24px rgba(45, 45, 45, 0.09), 0 2px 8px rgba(226, 169, 138, 0.1);
    --space-section: 3.5rem;
    --space-card: 1.2rem;
    --space-gap: 1.4rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
    --caret-color: #c47b5a;
    --accent-color: #c47b5a;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #faf8f3 0%, #f5f0e7 100%);
}
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: radial-gradient(circle at top left, #ffffff 0%, #f7f3ec 100%);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(135deg, #c47b5a 0%, #d88f6a 50%, #c47b5a 100%);
    background-size: 200% 200%;
    color: #fff;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background-position: 100% 100%;
    box-shadow: var(--shadow-md);
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
    text-decoration-color: var(--color-accent);
}
a:not([class]):hover {
    color: var(--color-primary-dark);
}

/* ========== 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: 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: linear-gradient(120deg, rgba(250, 248, 243, 0.92) 0%, rgba(245, 240, 231, 0.85) 100%), radial-gradient(circle at 70% 20%, rgba(226, 169, 138, 0.3) 0%, transparent 60%);
                }
                .hero-content { position: relative; z-index: 1; }
                .hero-content h1 {
                    text-shadow: 0 2px 12px rgba(196, 123, 90, 0.15);
                }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid > * {
    filter: grayscale(70%);
    opacity: 0.7;
    transition: var(--transition);
}
.partner-grid > *:hover {
    filter: grayscale(0%);
    opacity: 1;
}

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * {
    background: linear-gradient(180deg, #ffffff 0%, #f7f0e8 100%);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    box-shadow: var(--shadow-sm);
}

/* cta: full-bg */
.cta-section { 
    background: linear-gradient(135deg, #c47b5a 0%, #b36a49 30%, #d48a68 70%, #e2a98a 100%); 
    color: #fff; 
    padding: 4rem 2rem; 
    box-shadow: inset 0 0 60px rgba(45, 45, 45, 0.1);
}

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 760px; margin: 0 auto; }

/* 条件性装饰 */
.card { 
    border-left: 4px solid;
    border-image: linear-gradient(180deg, #c47b5a 0%, #e2a98a 100%) 1;
}
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(250, 248, 243, 0.9) 0%, rgba(250, 248, 243, 0.7) 100%);
    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: 2.75rem; --space-card: 1.1rem; --space-gap: 1.2rem; }
    .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; }
}