/* CSSVariantEngine v3.0 — link-hth-zhcn.com.cn */
/* Palette: terracotta-sage | Radius: soft-round | Shadow: layered-warmth */
/* Spacing: airy vertical | Transition: slow-ease */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"two-column","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #a1553a;
    --color-primary-dark: #6f3a25;
    --color-accent: #5f7e55;
    --color-surface: #f5efe5;
    --color-text: #2d2d2d;
    --rgb-primary: 161,85,58;
    --rgb-accent: 95,126,85;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 2px rgba(45,45,45,.04), 0 3px 10px rgba(161,85,58,.06);
    --shadow-md: 0 2px 6px rgba(45,45,45,.04), 0 14px 28px rgba(161,85,58,.08), 0 30px 60px rgba(95,126,85,.06);
    --shadow-lg: 0 6px 12px rgba(45,45,45,.05), 0 22px 44px rgba(161,85,58,.10), 0 48px 96px rgba(95,126,85,.12);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    --gradient-page: radial-gradient(1100px 640px at 12% -8%, rgba(161,85,58,.08), transparent 60%), radial-gradient(960px 600px at 100% 12%, rgba(95,126,85,.09), transparent 55%), linear-gradient(180deg, #fbf8f2 0%, #f3ede2 100%);
    --gradient-section: radial-gradient(130% 70% at 50% 0%, rgba(161,85,58,.05), transparent 70%);
    --gradient-card: linear-gradient(155deg, #fffcf6 0%, #f7f0e6 55%, #ede1cf 100%);
    --gradient-btn: linear-gradient(135deg, #b95d3e 0%, #9d5033 50%, #7e3d27 100%);
    --gradient-cta: radial-gradient(560px 280px at 85% -10%, rgba(255,255,255,.5), transparent 60%), radial-gradient(520px 300px at 12% 110%, rgba(161,85,58,.12), transparent 60%), linear-gradient(120deg, #f8f1e8 0%, #eddfcc 48%, #ddc2a4 100%);
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: var(--gradient-page);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: var(--gradient-section);
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,.65);
    padding: var(--space-card);
    transition: var(--transition);
    background: var(--gradient-card);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-image: var(--gradient-btn);
    color: #fffdf8;
    text-shadow: 0 1px 2px rgba(45,45,45,.15);
    box-shadow: 0 10px 24px rgba(161,85,58,.20), inset 0 1px 0 rgba(255,255,255,.25);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(161,85,58,.3);
}

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

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

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

/* 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: var(--gradient-cta);
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.6);
}

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 760px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.75);
}
a:not([class]):hover { color: var(--color-accent); }
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: 1.125rem; --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; }
}