/* CSSVariantEngine v3.0 — mile-portal-entry.com.cn */
/* Palette: tideglow | Radius: soft | Shadow: glow */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"minimal","testimonials":"carousel","partners":"scroll","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #115e59;
    --color-accent: #f59e0b;
    --color-surface: #fbf7ef;
    --color-text: #1e293b;
    --rgb-primary: 13, 148, 136;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 4px rgba(var(--rgb-primary), 0.12), 0 0 12px rgba(var(--rgb-accent), 0.06);
    --shadow-md: 0 6px 20px rgba(var(--rgb-primary), 0.16), 0 0 24px rgba(var(--rgb-accent), 0.12);
    --shadow-lg: 0 12px 36px rgba(var(--rgb-primary), 0.24), 0 0 44px rgba(var(--rgb-accent), 0.24);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
    accent-color: var(--color-accent);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); caret-color: var(--color-accent); }
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: linear-gradient(145deg, #ffffff 0%, var(--color-surface) 100%); color: var(--color-text); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); color: #fefce8; box-shadow: 0 0 12px rgba(var(--rgb-accent), 0.35), 0 4px 12px rgba(var(--rgb-primary), 0.25); animation: btnGlow 3s ease-in-out infinite; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.25); }

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

/* news: grid-3 */
/* 三列等宽网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* 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; }

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 45%, #134e4a 100%); color: #fefce8; box-shadow: inset 0 0 80px rgba(var(--rgb-accent), 0.15); }
.hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; }
.testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s 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: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

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

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 0 36px rgba(var(--rgb-accent), 0.55), 0 14px 40px rgba(var(--rgb-primary), 0.22); }
.card { border-left: 3px solid var(--color-accent); }

@keyframes btnGlow {
    0%, 100% { box-shadow: 0 0 12px rgba(var(--rgb-accent), 0.35), 0 4px 12px rgba(var(--rgb-primary), 0.25); }
    50% { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.7), 0 6px 18px rgba(var(--rgb-primary), 0.35); }
}

/* 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; }
}