/* CSSVariantEngine v3.0 — official-hth-guide.com.cn */
/* Palette: indigo-rose | Radius: generous | Shadow: layered */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"minimal","testimonials":"grid-3","partners":"grid-4","faq":"with-sidebar","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #312e81;
    --color-accent: #f43f5e;
    --color-surface: #fef3c7;
    --color-text: #1e1b4b;
    --rgb-primary: 99,102,241;
    --rgb-accent: 244,63,94;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 44px;
    --shadow-sm: 0 6px 16px rgba(30,27,75,.12), 0 2px 6px rgba(30,27,75,.08);
    --shadow-md: 0 16px 36px rgba(30,27,75,.14), 0 6px 12px rgba(30,27,75,.08), inset 0 1px 0 rgba(255,255,255,.8);
    --shadow-lg: 0 32px 72px rgba(30,27,75,.2), 0 14px 28px rgba(30,27,75,.12), inset 0 1px 0 rgba(255,255,255,.9);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); 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), inset 0 0 0 1px rgba(99,102,241,.12), inset 0 1px 0 rgba(255,255,255,.9); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #f5f3ff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 45%, #f43f5e 100%); color: #fff; box-shadow: 0 10px 24px rgba(99,102,241,.35), inset 0 0 0 1px rgba(255,255,255,.25), inset 0 1px 0 rgba(255,255,255,.4); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 2px rgba(99,102,241,.15); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); background: linear-gradient(135deg, rgba(99,102,241,.06), rgba(244,63,94,.04)); border-radius: var(--radius-lg); outline: 1px solid rgba(99,102,241,.12); }

/* 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; background: linear-gradient(180deg, rgba(254,243,199,.3), rgba(254,243,199,.1)); border-radius: var(--radius-xl); outline: 1px solid rgba(244,63,94,.15); }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); background: linear-gradient(120deg, rgba(236,254,255,.5), rgba(254,243,199,.3)); border-radius: var(--radius-xl); outline: 1px solid rgba(99,102,241,.12); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; background: radial-gradient(circle at 20% 50%, rgba(99,102,241,.08), transparent 60%), linear-gradient(120deg, rgba(244,63,94,.05), rgba(254,243,199,.15)); border-radius: var(--radius-lg); outline: 1px solid rgba(30,27,75,.08); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; background: linear-gradient(145deg, rgba(30,27,75,.04), rgba(99,102,241,.08)); border-radius: var(--radius-xl); outline: 1px solid rgba(30,27,75,.1); }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background: linear-gradient(135deg, rgba(244,63,94,.06), rgba(99,102,241,.08), rgba(254,243,199,.2)); border-radius: var(--radius-xl); outline: 1px solid rgba(244,63,94,.15); }
                .stats-grid .stat-value { font-size: 3rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #f59e0b 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg), inset 0 2px 0 rgba(255,255,255,.6); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; background: radial-gradient(circle at top left, rgba(99,102,241,.06), transparent 40%); }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(99,102,241,.16), inset 0 1px 0 rgba(255,255,255,.95); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 2px 8px rgba(244,63,94,.25); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(120deg, #e0e7ff 0%, #fef9c3 40%, #fce7f3 75%, #ede9fe 100%); }
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; }
}