/* CSSVariantEngine v3.0 — cxggyw.com */
/* Palette: spotlight stage | Radius: soft rounded | Shadow: multi-layer gradient | Spacing: generous centered | Transition: smooth long */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"overlay","testimonials":"stacked","partners":"scroll","faq":"two-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #9d4edd;
    --color-primary-dark: #5a189a;
    --color-accent: #ffd166;
    --color-surface: #fffcf9;
    --color-text: #1a122e;
    --rgb-primary: 157, 78, 221;
    --rgb-accent: 255, 209, 102;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(157,78,221,0.08), 0 1px 3px rgba(255,209,102,0.05);
    --shadow-md: 0 8px 20px rgba(157,78,221,0.15), 0 4px 10px rgba(255,209,102,0.08);
    --shadow-lg: 0 16px 40px rgba(157,78,221,0.2), 0 8px 20px rgba(255,209,102,0.12), 0 2px 8px rgba(15,15,26,0.1);
    --space-section: 4.5rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
    --caret-color: var(--color-accent);
    --accent-color: var(--color-primary);
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #0f0f1a 0%, #1a122e 50%, #241b42 100%);
    min-height: 100vh;
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight); 
    color: var(--color-surface);
    text-align: center;
    text-shadow: 0 2px 12px rgba(255,209,102,0.2);
}
section, .section { 
    padding-top: var(--space-section); 
    padding-bottom: var(--space-section);
    max-width: 840px;
    margin: 0 auto;
}
.card, [class*="card"] { 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition);
    background: linear-gradient(180deg, #ffffff 0%, #fff8f0 100%);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(157,78,221,0.3), rgba(255,209,102,0.4)) 1;
}
.card:hover, [class*="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, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #0f0f1a;
    border: none;
    font-weight: 600;
}
a:not([class]) { 
    color: var(--color-accent); 
    transition: var(--transition);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

/* ========== 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); }
.news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { 
    position: relative; 
    min-height: 70vh; 
    display: flex; 
    align-items: center; 
    justify-content: center;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,209,102,0.15) 0%, rgba(15,15,26,0.9) 70%);
    z-index: 0;
}
.hero-content { 
    position: relative; 
    z-index: 1;
    text-align: center;
}

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.stats-grid .stat-value { 
    font-size: 3rem; 
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* cta: centered */
.cta-inner { 
    text-align: center; 
    max-width: 700px; 
    margin: 0 auto; 
    padding: 3rem 2rem;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at top, rgba(255,209,102,0.2) 0%, rgba(157,78,221,0.15) 100%);
    border: 2px solid;
    border-image: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-accent)) 1;
}

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

/* 条件性装饰 */

/* 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: 2.2rem; --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; }
}