:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a96443;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;

    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 18px;

    --shadow-sm:
        0 1px 0 rgba(45,45,45,0.06),
        0 6px 18px rgba(196,123,90,0.10);
    --shadow-md:
        0 1px 0 rgba(45,45,45,0.06),
        0 10px 26px rgba(45,45,45,0.08),
        0 0 22px rgba(135,168,120,0.14);
    --shadow-lg:
        0 2px 0 rgba(45,45,45,0.06),
        0 16px 44px rgba(45,45,45,0.12),
        0 0 34px rgba(135,168,120,0.22),
        0 0 24px rgba(196,123,90,0.10);

    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;

    --transition: 380ms cubic-bezier(0.2, 0.9, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
    --glow-accent: rgba(var(--rgb-accent), 0.42);
    --glow-accent-strong: rgba(var(--rgb-accent), 0.62);
}

body { color: var(--color-text); line-height: var(--body-line-height); background: transparent; caret-color: var(--color-primary); }
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); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow:
        0 1px 0 rgba(45,45,45,0.06),
        0 10px 26px rgba(45,45,45,0.08),
        0 0 18px rgba(var(--rgb-accent), 0.18);
    padding: var(--space-card);
    transition:
        transform 380ms cubic-bezier(0.2, 0.9, 0.2, 1),
        box-shadow 420ms cubic-bezier(0.2, 0.9, 0.2, 1),
        border-color 420ms cubic-bezier(0.2, 0.9, 0.2, 1),
        background-color 420ms cubic-bezier(0.2, 0.9, 0.2, 1),
        filter 420ms cubic-bezier(0.2, 0.9, 0.2, 1);
    border: 1px solid rgba(45,45,45,0.08);
    background: linear-gradient(180deg, rgba(250,248,243,0.92) 0%, rgba(250,248,243,0.72) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition:
        transform 360ms cubic-bezier(0.2, 0.9, 0.2, 1),
        box-shadow 420ms cubic-bezier(0.2, 0.9, 0.2, 1),
        background-color 420ms cubic-bezier(0.2, 0.9, 0.2, 1),
        color 420ms cubic-bezier(0.2, 0.9, 0.2, 1),
        border-color 420ms cubic-bezier(0.2, 0.9, 0.2, 1);
    outline-color: rgba(var(--rgb-accent), 0.55);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 0 rgba(255,255,255,0.35); }

@keyframes softGlowPulse {
    0% { box-shadow: 0 1px 0 rgba(45,45,45,0.06), 0 10px 26px rgba(45,45,45,0.08), 0 0 18px rgba(var(--rgb-accent), 0.14); }
    50% { box-shadow: 0 1px 0 rgba(45,45,45,0.06), 0 10px 26px rgba(45,45,45,0.08), 0 0 28px rgba(var(--rgb-accent), 0.28); }
    100% { box-shadow: 0 1px 0 rgba(45,45,45,0.06), 0 10px 26px rgba(45,45,45,0.08), 0 0 18px rgba(var(--rgb-accent), 0.14); }
}

/* ========== 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); animation: softGlowPulse 6.5s ease-in-out infinite; }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list .card {
    border-color: rgba(var(--rgb-accent), 0.22);
    box-shadow:
        0 1px 0 rgba(45,45,45,0.06),
        0 12px 30px rgba(45,45,45,0.08),
        0 0 20px rgba(var(--rgb-accent), 0.16);
}

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }
                .hero::before {
                    content: "";
                    position: absolute;
                    inset: -10%;
                    z-index: 0;
                    background:
                        radial-gradient(900px circle at 15% 10%, rgba(var(--rgb-accent), 0.22), rgba(255,255,255,0) 55%),
                        radial-gradient(760px circle at 85% 35%, rgba(var(--rgb-primary), 0.18), rgba(255,255,255,0) 60%),
                        linear-gradient(180deg, rgba(250,248,243,0.88), rgba(250,248,243,0.72));
                    filter: saturate(1.05);
                    opacity: 0.95;
                    pointer-events: none;
                }
                .hero > * { position: relative; z-index: 1; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }
                .testimonial-list .card { border-radius: var(--radius-xl); }

/* 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 .card {
    background: linear-gradient(180deg, rgba(250,248,243,0.82), rgba(250,248,243,0.62));
    border-color: rgba(45,45,45,0.07);
    box-shadow:
        0 1px 0 rgba(45,45,45,0.06),
        0 10px 26px rgba(45,45,45,0.07),
        0 0 18px rgba(var(--rgb-accent), 0.12);
    transition: transform 380ms cubic-bezier(0.2, 0.9, 0.2, 1), box-shadow 420ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list .card { border-color: rgba(var(--rgb-primary), 0.12); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card {
    border-radius: var(--radius-md);
    box-shadow:
        0 1px 0 rgba(45,45,45,0.06),
        0 12px 30px rgba(45,45,45,0.07),
        0 0 26px rgba(var(--rgb-accent), 0.14);
}

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner .card {
    border-radius: var(--radius-lg);
    background:
        radial-gradient(900px circle at 10% 0%, rgba(var(--rgb-accent), 0.18), rgba(255,255,255,0) 55%),
        linear-gradient(180deg, rgba(250,248,243,0.86), rgba(250,248,243,0.68));
}

/* 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(-6px);
    box-shadow:
        0 2px 0 rgba(45,45,45,0.06),
        0 20px 60px rgba(45,45,45,0.14),
        0 0 40px rgba(var(--rgb-accent), 0.45),
        0 0 26px rgba(var(--rgb-primary), 0.14);
    border-color: rgba(var(--rgb-accent), 0.38);
    filter: saturate(1.02);
}
a:not([class]):hover { color: rgba(var(--rgb-accent), 1); text-shadow: 0 0 18px rgba(var(--rgb-accent), 0.35); }
header, .header, .navbar { background: transparent; box-shadow: none; }

/* 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; }
    .news-grid .card { animation-duration: 7.5s; }
}
@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; --radius-lg: 14px; --radius-md: 11px; }
    .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"] { backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
}