/* CSSVariantEngine v3.0 — intl2-aty-sports.com.cn */
/* Palette: ember-cyan | Radius: asymmetric | Shadow: layered-glow */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"centered","hero":"minimal","testimonials":"carousel","partners":"grid-4","faq":"with-sidebar","stats":"inline","cta":"split"} */

:root {
    --color-primary: #f97316;
    --color-primary-dark: #c2410c;
    --color-accent: #22d3ee;
    --color-surface: #0f172a;
    --color-text: #fdf6f3;
    --rgb-primary: 249,115,22;
    --rgb-accent: 34,211,238;
    --radius-sm: 10px 4px;
    --radius-md: 16px 6px;
    --radius-lg: 22px 8px;
    --radius-xl: 30px 12px;
    --shadow-sm: 0 3px 10px rgba(249,115,22,0.12), 0 1px 2px rgba(0,0,0,.2);
    --shadow-md: 0 10px 24px rgba(249,115,22,0.14), 0 6px 12px rgba(34,211,238,0.08), 0 2px 4px rgba(0,0,0,.25);
    --shadow-lg: 0 20px 48px rgba(249,115,22,0.18), 0 10px 20px rgba(34,211,238,0.12), 0 4px 8px rgba(0,0,0,.3);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(circle at 12% 18%, rgba(249,115,22,0.12), transparent 42%), radial-gradient(circle at 88% 82%, rgba(34,211,238,0.1), transparent 45%), var(--color-surface);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    text-shadow: 0 2px 16px rgba(0,0,0,0.35);
}
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: linear-gradient(180deg, rgba(249,115,22,0.04), rgba(34,211,238,0.02));
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(249,115,22,0.14), rgba(34,211,238,0.08)) padding-box, linear-gradient(135deg, #f97316, #8b5cf6, #22d3ee) border-box;
    background-color: rgba(18,24,41,0.88);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06), var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), #f43f5e);
    color: #0f172a;
    box-shadow: 0 10px 24px rgba(249,115,22,0.3);
    transition: var(--transition);
}
a:not([class]) {
    color: var(--color-accent);
    text-decoration-color: rgba(34,211,238,0.4);
    transition: var(--transition);
}

/* ========== 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);
    background: linear-gradient(120deg, rgba(249,115,22,0.09), rgba(34,211,238,0.05));
    border-radius: var(--radius-lg);
}
.news-grid .card {
    display: grid;
    grid-template-columns: 280px 1fr;
}

/* 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;
    background: linear-gradient(240deg, rgba(139,92,246,0.12), rgba(249,115,22,0.06));
    border-radius: var(--radius-lg);
}

/* hero: minimal */
.hero {
    padding: 2rem 0;
}
.hero-content {
    max-width: 560px;
}

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list {
    display: flex;
    overflow: hidden;
    background: linear-gradient(45deg, rgba(34,211,238,0.1), rgba(244,114,182,0.06));
    border-radius: var(--radius-xl);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04), var(--shadow-lg);
}
.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;
    background: linear-gradient(160deg, rgba(249,115,22,0.08), rgba(34,211,238,0.07));
    border-radius: var(--radius-lg);
}

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    background: linear-gradient(200deg, rgba(139,92,246,0.1), rgba(249,115,22,0.05));
    border-radius: var(--radius-xl);
}

/* stats: inline */
/* 水平排列 */
.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    background: radial-gradient(circle at 30% 50%, rgba(249,115,22,0.1), transparent 60%), linear-gradient(0deg, rgba(34,211,238,0.06), transparent);
    border-radius: var(--radius-lg);
}

/* cta: split */
.cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    background: linear-gradient(120deg, rgba(34,211,238,0.14), rgba(249,115,22,0.1));
    border-radius: var(--radius-xl);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04), var(--shadow-md);
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main {
    max-width: 1200px;
    margin: 0 auto;
}

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type {
    background: radial-gradient(circle at 15% 25%, rgba(249,115,22,0.45), transparent 45%), radial-gradient(circle at 85% 75%, rgba(34,211,238,0.35), transparent 50%), linear-gradient(135deg, #1e1b4b 0%, #4c1d95 35%, #9d174d 70%, #7c2d12 100%);
}
.card {
    border-left: 3px solid 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: 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; }
}