/* CSSVariantEngine v3.0 — editorial-magazine */
/* Palette: cream/ink | Accent: deep red | Shadow: soft glow */
/* Spacing: editorial | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"grid-4","hero":"minimal","testimonials":"stacked","partners":"grid-6","faq":"single-column","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #8e2b22;
    --color-accent: #c44536;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 196,69,54;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 4px rgba(26,26,26,.06), 0 0 12px rgba(196,69,54,.08);
    --shadow-md: 0 6px 16px rgba(26,26,26,.08), 0 0 24px rgba(196,69,54,.14);
    --shadow-lg: 0 12px 28px rgba(26,26,26,.1), 0 0 36px rgba(196,69,54,.2);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.25rem;
    --transition: 0.3s cubic-bezier(.22,.61,.36,1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

@keyframes cardGlow {
    0%, 100% { box-shadow: var(--shadow-md), 0 0 0 rgba(196,69,54,0); }
    50% { box-shadow: var(--shadow-md), 0 0 28px rgba(196,69,54,.18); }
}

@keyframes btnGlow {
    0%, 100% { box-shadow: 0 2px 8px rgba(196,69,54,.25), 0 0 12px rgba(196,69,54,.15); }
    50% { box-shadow: 0 2px 12px rgba(196,69,54,.35), 0 0 24px rgba(196,69,54,.3); }
}

@keyframes ctaGlow {
    0%, 100% { box-shadow: 0 0 24px rgba(196,69,54,.22), 0 12px 28px rgba(26,26,26,.1); }
    50% { box-shadow: 0 0 44px rgba(196,69,54,.45), 0 12px 28px rgba(26,26,26,.1); }
}

/* 基础覆盖 */
body {
    background-color: var(--color-surface);
    background-image: radial-gradient(circle at 12% 0%, rgba(196,69,54,.06), transparent 42%), radial-gradient(circle at 88% 100%, rgba(196,69,54,.05), transparent 38%);
    color: var(--color-text);
    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);
    transition: var(--transition);
    background-color: #faf6ed;
    animation: cardGlow 5s ease-in-out infinite;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: var(--color-accent);
    color: #fdf9f2;
    box-shadow: 0 2px 8px rgba(196,69,54,.25), 0 0 16px rgba(196,69,54,.15);
    animation: btnGlow 4s ease-in-out infinite;
}
a:not([class]) {
    color: var(--color-accent);
    text-decoration-color: rgba(196,69,54,.35);
    text-decoration-thickness: 0.08em;
    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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { padding: 2.25rem 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-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); 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: full-bg */
.cta-section { background: var(--color-primary); color: #fdf9f2; padding: 4.5rem 2rem; box-shadow: 0 0 24px rgba(196,69,54,.2); animation: ctaGlow 4s ease-in-out infinite; }

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

/* 条件性装饰 */
header, .header, .navbar { box-shadow: 0 1px 0 rgba(26,26,26,.04), 0 4px 12px rgba(26,26,26,.06), 0 0 24px rgba(196,69,54,.08); }

/* 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: 1.75rem; --space-card: 0.875rem; --space-gap: 0.625rem; }
    .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; }
}