/* CSSVariantEngine v3.0 — ultra-jisu.com */
/* Palette: deep ocean | Radius: soft-rounded | Shadow: layered */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"centered","hero":"overlay","testimonials":"stacked","partners":"centered","faq":"with-sidebar","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #0e4d64;
    --color-primary-dark: #062a38;
    --color-accent: #14b8a6;
    --color-surface: #f0fdfa;
    --color-text: #0a1f26;
    --rgb-primary: 14,77,100;
    --rgb-accent: 20,184,166;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 4px rgba(14,77,100,.08), 0 1px 2px rgba(14,77,100,.05);
    --shadow-md: 0 4px 12px rgba(14,77,100,.10), 0 2px 6px rgba(14,77,100,.06), 0 0 0 1px rgba(14,77,100,.03);
    --shadow-lg: 0 12px 28px rgba(14,77,100,.14), 0 6px 14px rgba(14,77,100,.08), 0 0 0 1px rgba(14,77,100,.04);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f0fdfa 0%, #ecfeff 40%, #f8fafc 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(135deg, #0e4d64 0%, #14b8a6 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(240,253,250,.6) 0%, rgba(236,254,255,.4) 50%, rgba(248,250,252,.6) 100%); }
.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%, #f0fdfa 60%, #ecfeff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #0e4d64 0%, #14b8a6 100%); box-shadow: 0 2px 8px rgba(14,77,100,.18), 0 1px 3px rgba(20,184,166,.12); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; background: linear-gradient(135deg, #ecfeff 0%, #f0fdfa 50%, #ffffff 100%); }

/* 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: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: linear-gradient(160deg, #062a38 0%, #0e4d64 35%, #14b8a6 100%); }
                .hero-content { position: relative; z-index: 1; text-shadow: 0 2px 12px rgba(6,42,56,.35), 0 1px 4px rgba(0,0,0,.2); }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; background: linear-gradient(180deg, #062a38 0%, #0e4d64 100%); border-radius: var(--radius-xl); padding: 2rem 2.5rem; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 50%, #ccfbf1 100%); border-radius: var(--radius-xl); padding: 2.5rem 2rem; box-shadow: 0 8px 24px rgba(14,77,100,.10), 0 3px 8px rgba(20,184,166,.08); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); background: linear-gradient(145deg, #ffffff 0%, #ecfeff 60%, #ccfbf1 100%); }
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-primary), .08); border-image: linear-gradient(135deg, rgba(14,77,100,.15), rgba(20,184,166,.12)) 1; }
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: 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; }
}