/* CSSVariantEngine v3.0 — cai-all-okoo.com.cn */
/* Palette: terracotta-sage | Radius: soft | Shadow: layered-warm */
/* Spacing: spacious | Transition: smooth-long */
/* Section layouts: {"news":"featured-top","features":"grid-2","hero":"minimal","testimonials":"stacked","partners":"grid-4","faq":"single-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a8623f;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(45,45,45,.05), 0 2px 8px rgba(196,123,90,.09);
    --shadow-md: 0 2px 4px rgba(45,45,45,.05), 0 10px 26px -8px rgba(196,123,90,.20), inset 0 1px 0 rgba(255,255,255,.65);
    --shadow-lg: 0 4px 10px rgba(45,45,45,.06), 0 22px 46px -14px rgba(168,98,63,.28), 0 0 0 1px rgba(196,123,90,.07);
    --space-section: 5.5rem;
    --space-card: 2.25rem;
    --space-gap: 1.75rem;
    --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(120% 90% at 50% 0%, #fffdf8 0%, #faf8f3 45%, #f5efe4 100%);
    accent-color: var(--color-primary);
    caret-color: var(--color-primary-dark);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #262626; }
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(158deg, #fffdf9 0%, #faf8f3 48%, #f6f0e6 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    color: #fffaf4;
    background: linear-gradient(135deg, #cf8a68 0%, #c47b5a 45%, #ad6743 100%);
    box-shadow: 0 1px 2px rgba(45,45,45,.08), 0 8px 18px -8px rgba(168,98,63,.45);
    border-color: rgba(135,168,120,.35);
    border-style: solid;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background: linear-gradient(135deg, #d99b79 0%, #c9855f 50%, #b4704a 100%);
    box-shadow: 0 2px 4px rgba(45,45,45,.08), 0 14px 28px -10px rgba(168,98,63,.52);
}
a:not([class]) { color: var(--color-primary-dark); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

/* 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; } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

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

/* cta: full-bg */
.cta-section {
    background: linear-gradient(135deg, #cf8a68 0%, #c47b5a 28%, #b56b46 52%, #a8623f 74%, #8d5030 100%);
    color: #fdf7ef;
    padding: 4rem 2rem;
    border-color: rgba(135,168,120,.28);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.18), inset 0 -40px 70px -40px rgba(60,40,25,.45);
}

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(158deg, #fffefb 0%, #fbf7ef 46%, #f2e9da 100%);
}
.hero, [class*="hero"], section:first-of-type {
    background: linear-gradient(158deg, #fffdf8 0%, #fbf5ea 32%, #f5ebdb 62%, #eeddc7 100%);
    border-color: rgba(196,123,90,.18);
    box-shadow: inset 0 -60px 90px -70px rgba(196,123,90,.35);
}
header, .header, .navbar {
    background: linear-gradient(180deg, rgba(255,253,248,.92) 0%, rgba(250,248,243,.72) 70%, rgba(250,248,243,0) 100%);
    backdrop-filter: saturate(120%) blur(6px);
    border-color: rgba(135,168,120,.22);
    box-shadow: 0 10px 24px -22px rgba(45,45,45,.35);
}

/* 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: 0.8rem; }
    .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; }
}