:/* CSSVariantEngine v3.0 — id-wap-kaiyun.com */
/* Palette: ocean-ink | Radius: rounded-soft | Shadow: layered */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"split","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #5eead4;
    --color-surface: #f8fafc;
    --color-text: #164e63;
    --rgb-primary: 15,118,110;
    --rgb-accent: 94,234,212;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 36px;
    --shadow-sm: 0 2px 4px rgba(2, 6, 23, 0.04), 0 1px 2px rgba(2, 6, 23, 0.03);
    --shadow-md: 0 4px 8px rgba(2, 6, 23, 0.05), 0 20px 40px -10px rgba(2, 6, 23, 0.12);
    --shadow-lg: 0 8px 16px rgba(2, 6, 23, 0.06), 0 30px 60px -15px rgba(2, 6, 23, 0.18);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f0fdfa 0%, #f8fafc 30%, #f0fdfa 60%, #f8fafc 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: transparent; }
section:nth-of-type(odd), .section:nth-of-type(odd) { background: rgba(240, 253, 250, 0.55); }
section:nth-of-type(even), .section:nth-of-type(even) { background: rgba(248, 250, 252, 0.85); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 2px 4px rgba(2, 6, 23, 0.04); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-primary), 0.3); }

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

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

/* 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-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 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: var(--shadow-lg); }
.card { border: 1px solid rgba(var(--rgb-primary), 0.1); background: linear-gradient(145deg, #ffffff 0%, #f0fdfa 100%); }
.card:hover, [class*="card"]:hover { border-color: rgba(var(--rgb-primary), 0.2); }
header, .header, .navbar { background: rgba(248, 250, 252, 0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(var(--rgb-primary), 0.1); }
.btn-primary, .btn-secondary, [class*="btn-primary"], [class*="btn-secondary"] { border: none; }
.btn-primary, [class*="btn-primary"] { background: linear-gradient(135deg, #0f766e 0%, #134e4a 100%); color: #ffffff; box-shadow: 0 4px 8px rgba(15, 118, 110, 0.15), 0 20px 40px -10px rgba(15, 118, 110, 0.2); }
.btn-primary:hover, [class*="btn-primary"]:hover { box-shadow: 0 8px 16px rgba(15, 118, 110, 0.2), 0 30px 60px -15px rgba(15, 118, 110, 0.3); }
.btn-secondary, [class*="btn-secondary"] { background: #ffffff; color: #0f766e; box-shadow: 0 2px 4px rgba(2, 6, 23, 0.03), 0 10px 20px -8px rgba(2, 6, 23, 0.1); }
.btn-secondary:hover, [class*="btn-secondary"]:hover { box-shadow: 0 4px 8px rgba(2, 6, 23, 0.05), 0 20px 40px -10px rgba(2, 6, 23, 0.15); }
input, textarea, select { border: 1px solid rgba(var(--rgb-primary), 0.15); border-radius: var(--radius-sm); background-color: #ffffff; caret-color: var(--color-primary); accent-color: var(--color-primary); transition: var(--transition); }
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(var(--rgb-primary), 0.2); outline-offset: 2px; border-color: transparent; box-shadow: 0 0 0 4px rgba(var(--rgb-primary), 0.1); }
::selection { background-color: rgba(var(--rgb-primary), 0.15); color: var(--color-primary-dark); }
blockquote { border-left: 4px solid rgba(var(--rgb-primary), 0.3); background: linear-gradient(90deg, rgba(var(--rgb-primary), 0.05) 0%, transparent 100%); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
hr { border: none; height: 1px; background: linear-gradient(90deg, transparent, rgba(var(--rgb-primary), 0.15), transparent); }
img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
figure { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
table { border-collapse: separate; border-spacing: 0; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
th { background-color: rgba(var(--rgb-primary), 0.08); color: var(--color-primary-dark); }
td { border-top: 1px solid rgba(var(--rgb-primary), 0.08); }
tr:hover td { background-color: rgba(var(--rgb-accent), 0.04); }
code { background: rgba(var(--rgb-primary), 0.08); border-radius: var(--radius-sm); padding: 0.15em 0.4em; }
pre { background: #0f172a; color: #e2e8f0; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
pre code { background: transparent; padding: 0; }
.tag, [class*="badge"] { border-radius: var(--radius-sm); background: rgba(var(--rgb-primary), 0.08); color: var(--color-primary-dark); }
.tag:hover, [class*="badge"]:hover { background: rgba(var(--rgb-primary), 0.15); }
.nav-link, header a:not(.btn), .navbar a:not(.btn) { position: relative; transition: var(--transition); }
.nav-link::after, header a:not(.btn)::after, .navbar a:not(.btn)::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); border-radius: 2px; transition: width 0.3s ease; }
.nav-link:hover::after, header a:not(.btn):hover::after, .navbar a:not(.btn):hover::after { width: 100%; }
.nav-link:hover, header a:not(.btn):hover, .navbar a:not(.btn):hover { color: var(--color-primary); }
footer, .footer { background: linear-gradient(180deg, rgba(248, 250, 252, 0.95) 0%, rgba(240, 253, 250, 0.98) 100%); border-top: 1px solid rgba(var(--rgb-primary), 0.1); }
.hero, .hero-inner > div:first-child { background: linear-gradient(135deg, rgba(240, 253, 250, 0.4) 0%, rgba(248, 250, 252, 0.1) 50%, rgba(240, 253, 250, 0.4) 100%); }
.stats-grid > * { background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%); border: 1px solid rgba(var(--rgb-primary), 0.08); }
.stats-grid > *:hover { box-shadow: var(--shadow-lg); }
.testimonial-list > * { background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%); }
.partner-grid > * { opacity: 0.7; filter: grayscale(20%); transition: var(--transition); }
.partner-grid > *:hover { opacity: 1; filter: grayscale(0%); }
.faq-list details, .faq-list .accordion-item { border: 1px solid rgba(var(--rgb-primary), 0.1); border-radius: var(--radius-md); background: #ffffff; box-shadow: var(--shadow-sm); }
.cta-inner { background: linear-gradient(135deg, #0f766e 0%, #134e4a 100%); border-radius: var(--radius-xl); padding: 3rem 2rem; box-shadow: 0 20px 40px -10px rgba(15, 118, 110, 0.3); }
.cta-inner h2, .cta-inner h3, .cta-inner p { color: #ffffff; }
.cta-inner a:not(.btn), .cta-inner .btn { color: #ffffff; border-color: rgba(255, 255, 255, 0.3); }
.cta-inner .btn { background: #ffffff; color: #0f766e; }

/* 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; }
}