/* CSSVariantEngine v3.0 — live15-kaiyuan-game.com.cn */
/* Palette: editorial-ink | Radius: refined | Shadow: layered */
/* Spacing: editorial | Transition: long */
/* Section layouts: {"news":"grid-4","features":"horizontal","hero":"left-aligned","testimonials":"masonry","partners":"scroll","faq":"two-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #7a241c;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 107,112,92;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 2px rgba(26,26,26,.06), 0 1px 1px rgba(26,26,26,.04);
    --shadow-md: 0 2px 4px rgba(26,26,26,.06), 0 8px 20px -8px rgba(26,26,26,.12);
    --shadow-lg: 0 4px 8px rgba(26,26,26,.08), 0 16px 32px -12px rgba(196,69,54,.18), 0 2px 4px rgba(26,26,26,.05);
    --space-section: 4.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #faf7f0 0%, #f5f1e8 40%, #ece4d5 100%);
    caret-color: var(--color-primary);
}
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);
    background: linear-gradient(145deg, #fffdf8 0%, #f7f2e9 100%);
    box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(107,112,92,.08);
    padding: var(--space-card);
    transition: var(--transition);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #c44536 0%, #8c2f24 100%);
    color: #f5f1e8;
    box-shadow: 0 4px 12px -4px rgba(196,69,54,.4), 0 1px 2px rgba(26,26,26,.12);
    transition: var(--transition);
}
a:not([class]) {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: rgba(196,69,54,.35);
    text-underline-offset: 3px;
    transition: var(--transition);
}

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--space-gap) * 0.8);
}

/* 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: left-aligned */
.hero-content {
    text-align: left;
    max-width: 600px;
}

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid {
    display: flex;
    gap: 2.25rem;
    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: inline */
/* 水平排列 */
.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3.25rem;
}

/* cta: centered */
.cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main {
    max-width: 1200px;
    margin: 0 auto;
    background: radial-gradient(1200px 400px at 50% -100px, rgba(255,255,255,.65), transparent 70%);
}

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.hero, [class*="hero"], section:first-of-type {
    color: var(--color-surface);
    background:
        radial-gradient(circle at 14% 20%, rgba(245,241,232,.12) 0%, transparent 42%),
        radial-gradient(circle at 86% 92%, rgba(107,112,92,.32) 0%, transparent 48%),
        linear-gradient(135deg, #1a1a1a 0%, #3a211b 34%, #8c2f24 70%, #c44536 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
header, .header, .navbar {
    background: linear-gradient(180deg, rgba(245,241,232,.92), rgba(245,241,232,.72));
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(255,255,255,.6), 0 8px 24px -12px rgba(26,26,26,.12);
}

/* 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: 1rem;
        --space-gap: 0.875rem;
    }
    .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; }
}