:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a56445;
    --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: 18px;
    --radius-xl: 24px;
    --shadow-sm:
        0 1px 0 rgba(45,45,45,.04),
        0 8px 22px rgba(196,123,90,.10);
    --shadow-md:
        0 1px 0 rgba(45,45,45,.05),
        0 10px 26px rgba(45,45,45,.08),
        0 18px 42px rgba(196,123,90,.12);
    --shadow-lg:
        0 1px 0 rgba(45,45,45,.06),
        0 16px 38px rgba(45,45,45,.10),
        0 28px 70px rgba(135,168,120,.14);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 520ms cubic-bezier(0.16, 1, 0.3, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }

h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-text); }

section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: transparent; }

.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow:
        0 1px 0 rgba(45,45,45,.06),
        0 12px 28px rgba(45,45,45,.10),
        0 26px 70px rgba(196,123,90,.12);
    padding: var(--space-card);
    transition:
        transform 520ms cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 520ms cubic-bezier(0.16, 1, 0.3, 1),
        background-color 520ms cubic-bezier(0.16, 1, 0.3, 1),
        border-color 520ms cubic-bezier(0.16, 1, 0.3, 1),
        color 520ms cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(45,45,45,.08);
    background:
        radial-gradient(1200px 420px at 20% -10%, rgba(135,168,120,.16), transparent 60%),
        radial-gradient(900px 360px at 95% 0%, rgba(196,123,90,.14), transparent 55%),
        linear-gradient(180deg, rgba(250,248,243,1), rgba(250,248,243,.92));
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition:
        transform 520ms cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 520ms cubic-bezier(0.16, 1, 0.3, 1),
        background-color 520ms cubic-bezier(0.16, 1, 0.3, 1),
        color 520ms cubic-bezier(0.16, 1, 0.3, 1),
        border-color 520ms cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(45,45,45,.10);
}

a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-shadow: 0 1px 0 rgba(250,248,243,.4);
}

section .card, [class*="card"] .card {
    border-radius: var(--radius-xl);
}

/* ========== 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;
                    background:
                        radial-gradient(900px 300px at 10% 0%, rgba(135,168,120,.18), transparent 55%),
                        radial-gradient(700px 260px at 95% 20%, rgba(196,123,90,.14), transparent 55%),
                        linear-gradient(180deg, rgba(250,248,243,1), rgba(250,248,243,.90));
                    box-shadow:
                        0 1px 0 rgba(45,45,45,.06),
                        0 10px 24px rgba(45,45,45,.10),
                        0 24px 64px rgba(135,168,120,.10);
                    border-color: rgba(45,45,45,.08);
                }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }
.hero-content * { text-shadow: 0 1px 0 rgba(250,248,243,.35); }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list [class*="card"], .testimonial-list .card {
    background:
        linear-gradient(180deg, rgba(250,248,243,1), rgba(250,248,243,.90));
    box-shadow:
        0 1px 0 rgba(45,45,45,.06),
        0 14px 32px rgba(45,45,45,.10),
        0 28px 72px rgba(196,123,90,.10);
    border-color: rgba(45,45,45,.08);
}

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }
.partner-grid [class*="card"], .partner-grid .card {
    box-shadow:
        0 1px 0 rgba(45,45,45,.06),
        0 10px 26px rgba(45,45,45,.09),
        0 24px 62px rgba(135,168,120,.10);
    border-color: rgba(45,45,45,.08);
}

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card, .faq-list [class*="card"]{
    border-radius: var(--radius-lg);
    box-shadow:
        0 1px 0 rgba(45,45,45,.06),
        0 12px 28px rgba(45,45,45,.09),
        0 26px 70px rgba(196,123,90,.10);
}

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card, .stats-grid [class*="card"]{
    background:
        radial-gradient(800px 260px at 50% 0%, rgba(135,168,120,.14), transparent 60%),
        linear-gradient(180deg, rgba(250,248,243,1), rgba(250,248,243,.92));
    border-color: rgba(45,45,45,.08);
    box-shadow:
        0 1px 0 rgba(45,45,45,.06),
        0 10px 26px rgba(45,45,45,.09),
        0 24px 62px rgba(135,168,120,.10);
}

/* cta: full-bg */
.cta-section {
    background:
        radial-gradient(1100px 520px at 15% 0%, rgba(135,168,120,.35), transparent 60%),
        radial-gradient(900px 420px at 95% 25%, rgba(250,248,243,.18), transparent 55%),
        linear-gradient(135deg, var(--color-primary) 0%, #b96848 55%, #a85a3f 100%);
    color: #fff;
    padding: 4rem 2rem;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.20),
        0 20px 60px rgba(45,45,45,.14);
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.cta-section * { text-shadow: 0 10px 30px rgba(0,0,0,.25); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 10px 30px rgba(135,168,120,.25); }
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; --transition: 460ms cubic-bezier(0.18, 1, 0.32, 1); }
    .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; }
}