:root {
    --color-primary: #9a4a2f;
    --color-primary-dark: #7f3e28;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 154,74,47;
    --rgb-accent: 135,168,120;
    --radius-sm: 12px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 22px;
    --shadow-sm: 0 2px 6px rgba(45,45,45,0.06);
    --shadow-md: 0 4px 10px rgba(45,45,45,0.07), 0 16px 34px -16px rgba(45,45,45,0.16);
    --shadow-lg: 0 6px 16px rgba(45,45,45,0.10), 0 26px 60px -22px rgba(45,45,45,0.22);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.42s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
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-lg);
    box-shadow:
        0 4px 8px rgba(0,0,0,0.05),
        0 20px 40px -10px rgba(0,0,0,0.12),
        inset 0 1px 0 rgba(255,255,255,0.65);
    padding: var(--space-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
    background: rgba(250,248,243,0.92);
    border: 1px solid rgba(45,45,45,0.08);
}
.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 1px 0 rgba(255,255,255,0.35); }

a:hover, a:focus { color: var(--color-primary-dark); }

/* ========== 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);
                    border-left: 4px solid rgba(var(--rgb-accent), 0.9);
                    background:
                        radial-gradient(800px 160px at 20% 0%, rgba(135,168,120,0.12), transparent 60%),
                        rgba(250,248,243,0.92);
                }

/* 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; }
.hero-inner .card { background: rgba(250,248,243,0.92); border-color: rgba(45,45,45,0.08); }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list .card {
    border-left: 4px solid rgba(var(--rgb-primary), 0.45);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.65), rgba(255,255,255,0)) ,
        radial-gradient(520px 140px at 10% 10%, rgba(154,74,47,0.12), transparent 55%),
        rgba(250,248,243,0.92);
}

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid .card { background: rgba(250,248,243,0.9); border-left: 4px solid rgba(var(--rgb-accent), 0.55); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.faq-wrapper .card { background: rgba(250,248,243,0.92); }
.faq-wrapper .faq-list .card,
.faq-wrapper .faq-item .card { border-left: 4px solid rgba(var(--rgb-accent), 0.85); }
.faq-wrapper .sidebar .card,
.faq-wrapper .contact-card { border-left: 4px solid rgba(var(--rgb-primary), 0.55); }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }
.stats-grid .card { border-left: 4px solid rgba(var(--rgb-primary), 0.35); }

/* cta: card-style */
.cta-inner {
    background:
        radial-gradient(900px 240px at 12% 20%, rgba(135,168,120,0.18), transparent 58%),
        radial-gradient(720px 220px at 90% 0%, rgba(154,74,47,0.12), transparent 60%),
        rgba(250,248,243,0.94);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow:
        0 6px 16px rgba(0,0,0,0.06),
        0 28px 70px -26px rgba(0,0,0,0.18),
        inset 0 1px 0 rgba(255,255,255,0.75);
    border: 1px solid rgba(45,45,45,0.08);
}

/* 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(-6px);
    box-shadow:
        0 8px 18px rgba(0,0,0,0.07),
        0 28px 70px -24px rgba(0,0,0,0.22),
        inset 0 1px 0 rgba(255,255,255,0.78);
    border-color: rgba(45,45,45,0.12);
}
.card { border-left: 4px solid rgba(var(--rgb-primary), 0.55); }

/* 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; }
    .card, [class*="card"] { border-left-width: 3px; }
}