:root {
    --color-primary: #5f7d55;
    --color-primary-dark: #3f5738;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 95,125,85;
    --rgb-accent: 135,168,120;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(45,45,45,.08), 0 0 12px rgba(135,168,120,.20);
    --shadow-md: 0 12px 28px -14px rgba(45,45,45,.22), 0 0 24px rgba(135,168,120,.38);
    --shadow-lg: 0 26px 56px -20px rgba(45,45,45,.30), 0 0 32px rgba(135,168,120,.60);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(1200px 620px at 50% -12%, rgba(135,168,120,.16), rgba(250,248,243,0) 62%), #faf8f3;
    caret-color: var(--color-primary);
    accent-color: var(--color-accent);
}
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(135,168,120,.24); padding: var(--space-card); transition: var(--transition); background: linear-gradient(160deg, #fffdf9, #f6f3ea); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: linear-gradient(135deg, rgba(135,168,120,.24), rgba(95,125,85,.10)); box-shadow: 0 4px 14px -6px rgba(63,87,56,.38), 0 0 18px rgba(135,168,120,.30); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(135,168,120,.55); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: 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: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); animation: glow-pulse 2.8s ease-in-out infinite; }
a:not([class]):hover { color: var(--color-accent); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(250,248,243,.92), rgba(250,248,243,0)); backdrop-filter: saturate(140%) blur(6px); box-shadow: 0 1px 0 rgba(135,168,120,.28); }

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 26px 56px -20px rgba(45,45,45,.30), 0 0 32px rgba(135,168,120,.42); }
    50% { box-shadow: 0 26px 56px -20px rgba(45,45,45,.30), 0 0 46px rgba(135,168,120,.78); }
}

/* 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; }
}