*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #f2f0e8;
    color: #2a2824;
}

/* 核心布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section:nth-child(even) {
    background: #e8e4da;
}

/* 导航 — 固定顶部 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(242, 240, 232, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid #d4cfc2;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    color: #2a2824;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d4a373, #c08457);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: 0 2px 8px rgba(196, 132, 87, 0.3);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a4540;
    transition: color 0.2s;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #c08457;
    transition: width 0.3s;
}

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

.main-nav a:hover {
    color: #c08457;
}

.nav-cta {
    padding: 8px 22px;
    border-radius: 50px;
    background: linear-gradient(135deg, #d4a373, #b8834a);
    color: #fff !important;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(196, 132, 87, 0.25);
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(196, 132, 87, 0.35);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2a2824;
    padding: 4px;
}

/* 首页Hero */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 163, 115, 0.15), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(212, 163, 115, 0.15);
    color: #b8834a;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #2a2824;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.6;
    color: #5a5550;
}

.hero-buttons {
    display: flex;
    gap: 14px;
}

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.25s;
    font-size: 0.95rem;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #d4a373, #b8834a);
    box-shadow: 0 4px 14px rgba(196, 132, 87, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 132, 87, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid #c08457;
    color: #c08457;
}

.btn-outline:hover {
    background: rgba(212, 163, 115, 0.1);
    transform: translateY(-2px);
}

/* 标签/标题 */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(212, 163, 115, 0.12);
    color: #b8834a;
    margin-bottom: 14px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 14px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #2a2824;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 44px;
    line-height: 1.7;
    color: #5a5550;
}

/* 卡片网格 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.category-card {
    border-radius: 16px;
    padding: 32px 28px;
    background: #faf8f4;
    border: 1px solid #e0dcd2;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #d4a373, #c08457);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, #e8e0d4, #d8cfc0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.4rem;
    color: #b8834a;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #c08457;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s;
}

.card-link:hover {
    gap: 8px;
}

/* 特性块 */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.feature-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}

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

.feature-text {
    padding-right: 20px;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #4a4540;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #c08457;
    font-size: 0.8rem;
}

/* 数据条 */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    padding: 28px 20px;
    border-radius: 16px;
    background: #faf8f4;
    border: 1px solid #e0dcd2;
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-3px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2a2824;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-top: 6px;
    color: #5a5550;
}

/* 内容墙 */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    background: #faf8f4;
    border: 1px solid #e0dcd2;
    transition: all 0.3s;
}

.content-wall-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.content-wall-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.content-wall-body {
    padding: 20px;
}

.content-wall-body h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: #2a2824;
}

.content-wall-body p {
    font-size: 0.85rem;
    opacity: 0.65;
    color: #5a5550;
}

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

.faq-item {
    border: 1px solid #e0dcd2;
    border-radius: 12px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #faf8f4;
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: #c08457;
}

.faq-item .faq-question {
    padding: 18px 22px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2a2824;
    font-size: 0.95rem;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.2rem;
    font-weight: 300;
    color: #c08457;
    transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-item .faq-answer {
    padding: 0 22px 18px;
    display: none;
    opacity: 0.7;
    color: #5a5550;
    line-height: 1.6;
}

.faq-item.open .faq-answer {
    display: block;
}

/* CTA横幅 */
.cta-banner {
    padding: 60px 24px;
    text-align: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #d4a373, #b8834a);
    color: #fff;
    box-shadow: 0 8px 32px rgba(196, 132, 87, 0.25);
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta-banner p {
    opacity: 0.9;
    margin-bottom: 28px;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #b8834a;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.cta-banner .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* 页脚 */
.site-footer {
    padding: 60px 0 28px;
    background: #2a2824;
    color: #d4cfc2;
}

.site-footer .container {
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-brand {
}

.footer-brand h3 {
    color: #f2f0e8;
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.footer-brand p {
    opacity: 0.6;
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-col {
}

.footer-col h4 {
    color: #f2f0e8;
    font-size: 0.9rem;
    margin-bottom: 16px;
    font-weight: 600;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: #b0aba0;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #d4a373;
}

.footer-bottom {
    border-top: 1px solid rgba(212, 207, 194, 0.15);
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* 工具类 */
.text-accent {
    color: #c08457;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.7;
    line-height: 1.7;
    color: #5a5550;
}

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

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

/* 响应式 */
@media (max-width: 768px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-text {
        padding-right: 0;
    }

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

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

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        background: rgba(242, 240, 232, 0.98);
        padding: 24px 20px;
        border-bottom: 1px solid #d4cfc2;
        gap: 16px;
    }

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

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

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

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

    .section-title {
        font-size: 1.4rem;
    }

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