/* =============================================
   WANGCAI 28 · 旺财28 品牌设计系统
   风格代号：「琥珀暖阳」
   设计理念：温暖·生长·精致·东方现代
   ============================================= */

/* ---------- 基础重置 & 全局 ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    overflow-x: hidden;
    background: #FEF8F3;
    color: #2D2A28;
    line-height: 1.6;
}

/* 自定义选择颜色 */
::selection {
    background: #D4A373;
    color: #fff;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #F5EDE4;
}
::-webkit-scrollbar-thumb {
    background: #D4A373;
    border-radius: 3px;
}

/* ---------- 容器 & 节 ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background: #FBF6F0;
}

/* 装饰性背景弧线（伪元素） */
.section::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: 0;
    width: 100%;
    height: 80px;
    background: radial-gradient(ellipse 60% 80px at 50% 100%, rgba(212, 163, 115, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.section:last-child::after {
    display: none;
}

/* ---------- 导航 ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(254, 248, 243, 0.88);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid rgba(212, 163, 115, 0.15);
    transition: background 0.3s ease;
}

.site-header.scrolled {
    background: rgba(254, 248, 243, 0.96);
    box-shadow: 0 2px 30px rgba(212, 163, 115, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
    text-decoration: none;
    color: #2D2A28;
    letter-spacing: -0.02em;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #D4A373, #E8A87C);
    color: #fff;
    box-shadow: 0 4px 12px rgba(212, 163, 115, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover .logo-icon {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 6px 20px rgba(212, 163, 115, 0.4);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #5A4E45;
    position: relative;
    transition: color 0.25s ease;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #D4A373, #E8A87C);
    border-radius: 1px;
    transition: width 0.3s ease;
}

.main-nav a:hover {
    color: #D4875E;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #D4A373, #E8A87C);
    box-shadow: 0 4px 16px rgba(212, 163, 115, 0.3);
    transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 28px rgba(212, 163, 115, 0.4) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(212, 163, 115, 0.1);
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #D4875E;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(212, 163, 115, 0.2);
}

/* ---------- Hero 区域 ---------- */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(160deg, #FEF8F3 0%, #FBF0E7 50%, #FEF5EC 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 163, 115, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232, 168, 124, 0.10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 640px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: rgba(212, 163, 115, 0.15);
    color: #B86A3F;
    text-transform: uppercase;
    border: 1px solid rgba(212, 163, 115, 0.2);
}

.hero h1 {
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 18px;
    color: #2D2A28;
    letter-spacing: -0.02em;
}

.hero h1 .text-accent {
    background: linear-gradient(135deg, #D4A373, #E8A87C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    line-height: 1.7;
    color: #6B5D52;
    max-width: 520px;
    margin-bottom: 36px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    max-width: 480px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(212, 163, 115, 0.15);
    transform: perspective(800px) rotateY(-3deg) rotateX(2deg);
    transition: transform 0.6s ease, box-shadow 0.6s ease;
}

.hero-image:hover {
    transform: perspective(800px) rotateY(0deg) rotateX(0deg);
    box-shadow: 0 30px 80px rgba(212, 163, 115, 0.2);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    letter-spacing: 0.01em;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #D4A373, #E8A87C);
    box-shadow: 0 4px 20px rgba(212, 163, 115, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(212, 163, 115, 0.45);
}

.btn-outline {
    background: transparent;
    border: 2px solid #D4A373;
    color: #D4875E;
}

.btn-outline:hover {
    background: rgba(212, 163, 115, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 163, 115, 0.12);
}

/* ---------- 标签 & 标题 ---------- */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
    color: #D4875E;
    text-transform: uppercase;
    position: relative;
    padding-left: 36px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 24px;
    height: 2px;
    background: #D4A373;
    transform: translateY(-50%);
    border-radius: 1px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #2D2A28;
    letter-spacing: -0.01em;
    line-height: 1.25;
}

.section-title .text-accent {
    color: #D4875E;
}

.section-desc {
    max-width: 600px;
    font-size: 1.05rem;
    color: #6B5D52;
    margin-bottom: 48px;
    line-height: 1.7;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.category-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px 28px;
    border: 1px solid rgba(212, 163, 115, 0.12);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #D4A373, #E8A87C);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(212, 163, 115, 0.12);
    border-color: rgba(212, 163, 115, 0.25);
}

.category-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(212, 163, 115, 0.12), rgba(232, 168, 124, 0.12));
    color: #D4875E;
    transition: transform 0.3s ease, background 0.3s ease;
}

.category-card:hover .card-icon {
    transform: scale(1.05) rotate(-4deg);
    background: linear-gradient(135deg, rgba(212, 163, 115, 0.2), rgba(232, 168, 124, 0.2));
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2D2A28;
}

.category-card p {
    font-size: 0.9rem;
    color: #6B5D52;
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #D4875E;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}

.card-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.card-link:hover {
    gap: 12px;
}

.card-link:hover::after {
    transform: translateX(3px);
}

/* ---------- 特性块 ---------- */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(212, 163, 115, 0.10);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.feature-image:hover {
    transform: scale(1.01);
    box-shadow: 0 24px 60px rgba(212, 163, 115, 0.15);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-text {
    padding: 8px 0;
}

.feature-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #2D2A28;
}

.feature-text p {
    color: #6B5D52;
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    margin-top: 8px;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #3D3630;
    border-bottom: 1px solid rgba(212, 163, 115, 0.06);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #D4A373;
    font-size: 0.8rem;
}

/* ---------- 数据条 ---------- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 20px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(212, 163, 115, 0.10);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, transparent, #D4A373, transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(212, 163, 115, 0.10);
}

.stat-item:hover::after {
    opacity: 1;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    color: #2D2A28;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.stat-number .text-accent {
    color: #D4875E;
}

.stat-label {
    font-size: 0.9rem;
    color: #8A7D73;
    margin-top: 8px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* ---------- 内容墙 ---------- */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(212, 163, 115, 0.10);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(212, 163, 115, 0.12);
    border-color: rgba(212, 163, 115, 0.2);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.content-wall-item:hover img {
    transform: scale(1.03);
}

.content-wall-body {
    padding: 24px 24px 28px;
}

.content-wall-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2D2A28;
}

.content-wall-body p {
    font-size: 0.9rem;
    color: #6B5D52;
    line-height: 1.6;
    margin-bottom: 16px;
}

.content-wall-body .card-link {
    font-size: 0.8rem;
}

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border: 1px solid rgba(212, 163, 115, 0.10);
    border-radius: 16px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(212, 163, 115, 0.2);
    box-shadow: 0 4px 16px rgba(212, 163, 115, 0.06);
}

.faq-item.open {
    border-color: rgba(212, 163, 115, 0.25);
    box-shadow: 0 8px 28px rgba(212, 163, 115, 0.08);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1rem;
    color: #2D2A28;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    user-select: none;
    transition: color 0.3s ease;
}

.faq-item.open .faq-question {
    color: #D4875E;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: #D4A373;
    transition: transform 0.4s ease, color 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-question::after {
    content: '−';
    transform: rotate(180deg);
    color: #D4875E;
}

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    color: #6B5D52;
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: faqSlideIn 0.35s ease;
}

@keyframes faqSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
    padding: 64px 40px;
    text-align: center;
    border-radius: 24px;
    background: linear-gradient(135deg, #D4A373, #E8A87C, #D4A373);
    background-size: 200% 200%;
    animation: ctaGradient 8s ease infinite;
    position: relative;
    overflow: hidden;
}

@keyframes ctaGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.10) 0%, transparent 60%);
    pointer-events: none;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255,255,255,0.85);
    max-width: 500px;
    margin: 0 auto 28px;
    font-size: 1.05rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #D4875E;
    box-shadow: 0 6px 24px rgba(0,0,0,0.10);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

/* ---------- 页脚 ---------- */
.site-footer {
    padding: 64px 0 28px;
    background: #F5EDE4;
    border-top: 1px solid rgba(212, 163, 115, 0.10);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: #6B5D52;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h5 {
    font-size: 0.9rem;
    font-weight: 700;
    color: #2D2A28;
    margin-bottom: 16px;
    letter-spacing: 0.04em;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    text-decoration: none;
    color: #6B5D52;
    font-size: 0.88rem;
    transition: color 0.25s ease, padding-left 0.25s ease;
}

.footer-col ul li a:hover {
    color: #D4875E;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(212, 163, 115, 0.15);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: #8A7D73;
}

/* ---------- 工具类 ---------- */
.text-accent {
    color: #D4875E;
}

.text-center {
    text-align: center;
}

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    color: #6B5D52;
    font-size: 1.05rem;
    line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- 装饰性分割线 ---------- */
.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #D4A373, #E8A87C);
    border-radius: 2px;
    margin: 20px 0 32px;
}

.divider.text-center {
    margin-left: auto;
    margin-right: auto;
}

/* ---------- 品牌水印装饰 ---------- */
.brand-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #D4A373;
    margin: 0 4px;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        max-width: 100%;
        transform: none;
    }

    .hero-image:hover {
        transform: none;
    }

    .feature-block {
        gap: 40px;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(254, 248, 243, 0.98);
        backdrop-filter: blur(18px);
        padding: 20px 24px;
        flex-direction: column;
        gap: 16px;
        border-bottom: 1px solid rgba(212, 163, 115, 0.12);
        box-shadow: 0 20px 40px rgba(0,0,0,0.04);
    }

    .main-nav.open {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-block .feature-image {
        order: -1;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .cta-banner {
        padding: 40px 24px;
    }

    .cta-banner h2 {
        font-size: 1.5rem;
    }

    .content-wall {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 0 16px;
    }

    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        justify-content: center;
    }

    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .faq-item .faq-question {
        font-size: 0.92rem;
        padding: 16px 18px;
    }

    .faq-item .faq-answer {
        padding: 0 18px 16px;
        font-size: 0.88rem;
    }

    .category-card {
        padding: 24px 20px;
    }

    .cta-banner {
        padding: 32px 20px;
        border-radius: 16px;
    }

    .cta-banner h2 {
        font-size: 1.3rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* ---------- 暗色模式感知（可选保留明亮） ---------- */
@media (prefers-color-scheme: dark) {
    /* 强制保持明亮风格，不跟随系统暗色 */
    body {
        background: #FEF8F3;
        color: #2D2A28;
    }

    .site-header {
        background: rgba(254, 248, 243, 0.92);
    }

    .category-card,
    .stat-item,
    .content-wall-item,
    .faq-item {
        background: #fff;
    }

    .section:nth-child(even) {
        background: #FBF6F0;
    }
}