/* CSSVariantEngine v3.0 — about5-kaiyun-sports.com.cn */
/* Palette: lagoon-tile | Radius: pillowy | Shadow: layered-soft */
/* Spacing: airy-rhythm | Transition: gentle-ease */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"minimal","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #d97706;
    --color-surface: #ecfdf5;
    --color-text: #1b2f35;
    --rgb-primary: 15,118,110;
    --rgb-accent: 217,119,6;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(16,32,38,.04), 0 10px 18px -16px rgba(16,32,38,.14);
    --shadow-md: 0 2px 4px rgba(16,32,38,.04), 0 18px 30px -16px rgba(16,32,38,.16);
    --shadow-lg: 0 8px 16px -12px rgba(16,32,38,.12), 0 36px 56px -28px rgba(16,32,38,.22);
    --space-section: 3.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.2rem;
    --transition: 0.32s cubic-bezier(0.22, 0.7, 0.3, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    background-color: #f5f6f1;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(15,118,110,.05), transparent 28%),
        radial-gradient(circle at 88% 32%, rgba(217,119,6,.045), transparent 24%),
        radial-gradient(circle at 45% 92%, rgba(15,118,110,.04), transparent 30%);
    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);
    background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(252,254,251,.9));
    transition: var(--transition);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
}
a:not([class]) {
    color: var(--color-primary);
    text-decoration-color: rgba(var(--rgb-primary), .35);
    text-underline-offset: 2px;
    transition: var(--transition);
}

/* ========== 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;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #0f766e, #134e4a);
    color: #ecfdf5;
    box-shadow: var(--shadow-lg);
}

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

/* hero: minimal */
.hero { padding: 2.5rem 0; }
.hero-content { max-width: 560px; }

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

/* 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-4 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-gap);
    text-align: center;
}

/* cta: card-style */
.cta-inner {
    background: linear-gradient(135deg, #d97706, #9a3412);
    color: #fff7ed;
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    text-align: center;
    box-shadow: 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(circle at 14% 28%, rgba(15,118,110,.08), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(217,119,6,.07), transparent 26%),
        linear-gradient(135deg, #edf5f1, #faf8f2 55%, #f3ece1);
}
.card {
    border: 1px solid rgba(var(--rgb-primary), .14);
}
header, .header, .navbar { background: transparent; }

/* 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: 1.15rem;
        --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; }
}