/* CSSVariantEngine v3.0 — wap-hth-link.com.cn */
/* Palette: asymmetric-blocks | Radius: medium | Shadow: glow */
/* Spacing: spacious | Transition: brisk */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"centered","testimonials":"grid-3","partners":"grid-4","faq":"two-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #0b3f3c;
    --color-accent: #f97316;
    --color-surface: #fff7ed;
    --color-text: #1c1917;
    --rgb-primary: 15,118,110;
    --rgb-accent: 249,115,22;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(var(--rgb-primary), .12), 0 0 12px rgba(var(--rgb-accent), .08);
    --shadow-md: 0 8px 18px rgba(var(--rgb-primary), .16), 0 0 24px rgba(var(--rgb-accent), .22);
    --shadow-lg: 0 16px 32px rgba(var(--rgb-primary), .18), 0 0 44px rgba(var(--rgb-accent), .32);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.25rem;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

body {
    color: var(--color-text);
    background: linear-gradient(180deg, #fff7ed 0%, #faf0e4 100%);
    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);
    background: rgba(255,247,237,.82);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(var(--rgb-accent), .2);
    transition: var(--transition);
    animation: cardGlow 6s ease-in-out infinite;
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    box-shadow: 0 0 14px rgba(var(--rgb-accent), .18);
    transition: var(--transition);
}

a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
}

/* ========== 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: centered */
.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

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

/* 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: 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;
}

/* cta: full-bg */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fffbeb;
    padding: 4rem 2rem;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.12), 0 0 48px rgba(var(--rgb-accent), .35);
}

/* Page Layout: wide */
/* 超宽 */
.page-main {
    max-width: 1400px;
    margin: 0 auto;
}

/* 条件性装饰 */
.card {
    border: 1px solid rgba(var(--rgb-accent), .28);
}

/* hover glow */
.card:hover, [class*="card"]:hover {
    box-shadow: 0 8px 24px rgba(var(--rgb-primary), .2), 0 0 40px rgba(var(--rgb-accent), .55);
    border-color: rgba(var(--rgb-accent), .5);
}

.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow: 0 0 24px rgba(var(--rgb-accent), .45);
    border-color: rgba(var(--rgb-accent), .55);
}

a:not([class]):hover {
    color: var(--color-accent);
    text-shadow: 0 0 12px rgba(var(--rgb-accent), .35);
}

@keyframes cardGlow {
    0%, 100% {
        filter: drop-shadow(0 0 6px rgba(var(--rgb-accent), .25));
    }
    50% {
        filter: drop-shadow(0 0 16px rgba(var(--rgb-accent), .5));
    }
}

/* 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; }
}