:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #8f4f34;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 0 rgba(45,45,45,.06), 0 6px 18px rgba(135,168,120,.12);
    --shadow-md: 0 10px 28px rgba(45,45,45,.10), 0 0 0 1px rgba(45,45,45,.06), 0 0 24px rgba(135,168,120,.16);
    --shadow-lg: 0 22px 52px rgba(45,45,45,.14), 0 0 0 1px rgba(45,45,45,.08), 0 0 36px rgba(135,168,120,.22);
    --space-section: 2.1rem;
    --space-card: 1.05rem;
    --space-gap: 1.15rem;
    --transition: 320ms cubic-bezier(.2,.9,.2,1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
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-xl); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); position: relative; }
.card::before, [class*="card"]::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(1200px 260px at 20% 0%, rgba(135,168,120,.12), rgba(135,168,120,0) 55%); opacity: .9; }
.card::after, [class*="card"]::after { content: ""; position: absolute; inset: -1px; border-radius: calc(var(--radius-xl) + 1px); pointer-events: none; background: linear-gradient(135deg, rgba(135,168,120,.45), rgba(196,123,90,0)); opacity: .08; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 0 rgba(0,0,0,0); }

.card { border-left: 3px solid color-mix(in srgb, var(--color-primary) 80%, var(--color-accent) 20%); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #faf8f3 0%, rgba(135,168,120,.14) 45%, rgba(196,123,90,.18) 100%); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 22px rgba(135,168,120,.35); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }
                .news-grid .card { background: color-mix(in srgb, var(--color-surface) 88%, rgba(255,255,255,.25) 12%); border: 1px solid rgba(45,45,45,.06); }
                .news-grid .card:hover { box-shadow: var(--shadow-lg), 0 0 32px rgba(135,168,120,.28); }
                .news-grid .card:hover::after { opacity: .14; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list .card { border: 1px solid rgba(45,45,45,.06); background: color-mix(in srgb, var(--color-surface) 92%, rgba(135,168,120,.10) 8%); }
.feature-list .card:hover { box-shadow: var(--shadow-lg), 0 0 32px rgba(135,168,120,.26); }

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

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
                .testimonial-list .card { background: color-mix(in srgb, var(--color-surface) 90%, rgba(196,123,90,.10) 10%); border: 1px solid rgba(45,45,45,.06); }
                .testimonial-list .card:hover { box-shadow: var(--shadow-lg), 0 0 32px rgba(135,168,120,.22); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid .card { border: 1px solid rgba(45,45,45,.06); border-radius: calc(var(--radius-xl) - 2px); box-shadow: var(--shadow-sm); background: rgba(255,255,255,.35); }
.partner-grid .card:hover { box-shadow: var(--shadow-md), 0 0 32px rgba(135,168,120,.22); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card { background: color-mix(in srgb, var(--color-surface) 94%, rgba(135,168,120,.10) 6%); border: 1px solid rgba(45,45,45,.06); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background: linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(135,168,120,.08) 100%); border: 1px solid rgba(45,45,45,.06); box-shadow: var(--shadow-sm); }
.stats-grid .card:hover { box-shadow: var(--shadow-md), 0 0 28px rgba(135,168,120,.22); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, rgba(196,123,90,.96) 0%, rgba(135,168,120,.88) 55%, rgba(45,45,45,.10) 100%); color: #faf8f3; padding: 4rem 2rem; box-shadow: 0 -1px 0 rgba(255,255,255,.18) inset, 0 18px 50px rgba(45,45,45,.18), 0 0 36px rgba(135,168,120,.20); border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.10); }
.cta-section a:not([class]) { color: #faf8f3; }
.cta-section a:not([class]):hover { color: #faf8f3; text-shadow: 0 0 26px rgba(135,168,120,.50); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #faf8f3, rgba(135,168,120,.18) 46%, rgba(196,123,90,.20)); }
.card { border-left: 3px solid color-mix(in srgb, var(--color-primary) 78%, var(--color-accent) 22%); }

/* 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: 2.05rem; --space-card: 1rem; --space-gap: 1.05rem; }
    .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; }
}