*,
*::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: #FCF7F2;
    color: #2C2420;
    line-height: 1.6;
}

::selection {
    background: #D4735E;
    color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
    position: relative;
}

.section:nth-child(even) {
    background: #F8F0E8;
}

/* 导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(252, 247, 242, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid #E8DDD4;
    transition: 0.3s;
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 5%;
    width: 90%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #D4735E40, #D4A76A40, transparent);
    pointer-events: none;
}

.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: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: #2C2420;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #D4735E, #E8A090);
    color: #fff;
    box-shadow: 0 4px 12px rgba(212, 115, 94, 0.3);
}

.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: #5A4A42;
    transition: 0.25s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #D4735E;
    border-radius: 2px;
    transition: 0.3s;
}

.main-nav a:hover {
    color: #D4735E;
}

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

.nav-cta {
    padding: 8px 22px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #D4735E, #C45A4A);
    box-shadow: 0 4px 14px rgba(212, 115, 94, 0.25);
    transition: 0.3s !important;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 115, 94, 0.35);
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1.5px solid #E8DDD4;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    color: #2C2420;
    transition: 0.2s;
}

.menu-toggle:hover {
    border-color: #D4735E;
    color: #D4735E;
}

/* Hero */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 68px;
    overflow: hidden;
    background: linear-gradient(160deg, #FCF7F2 0%, #F8EDE4 50%, #FCF7F2 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    height: 120%;
    background: radial-gradient(ellipse at center, rgba(212, 115, 94, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(142, 184, 168, 0.07) 0%, transparent 70%);
    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;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: rgba(212, 115, 94, 0.1);
    color: #D4735E;
    letter-spacing: 1px;
    border: 1px solid rgba(212, 115, 94, 0.15);
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    color: #2C2420;
    letter-spacing: -1px;
}

.hero h1 .text-accent {
    color: #D4735E;
    position: relative;
    display: inline-block;
}

.hero h1 .text-accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 6px;
    background: rgba(212, 115, 94, 0.2);
    border-radius: 3px;
}

.hero p {
    font-size: 1.1rem;
    color: #6A5A52;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.7;
}

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

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(44, 36, 32, 0.08);
    position: relative;
}

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

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 1px solid rgba(232, 221, 212, 0.3);
    pointer-events: none;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #D4735E, #C45A4A);
    box-shadow: 0 6px 20px rgba(212, 115, 94, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 115, 94, 0.35);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid #D4A76A;
    color: #7A5A3A;
}

.btn-outline:hover {
    background: rgba(212, 167, 106, 0.08);
    border-color: #C49A5A;
    transform: translateY(-2px);
}

/* 标签/标题 */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 14px;
    color: #D4735E;
    text-transform: uppercase;
    position: relative;
    padding-left: 32px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 20px;
    height: 2px;
    background: #D4A76A;
    transform: translateY(-50%);
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 14px;
    font-weight: 800;
    color: #2C2420;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    color: #6A5A52;
    margin-bottom: 44px;
    font-size: 1rem;
    line-height: 1.7;
}

/* 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;
    border: 1px solid #E8DDD4;
    background: #FDFAF7;
    transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #D4735E, #D4A76A);
    opacity: 0;
    transition: 0.35s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(44, 36, 32, 0.06);
    border-color: #D4A76A60;
}

.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: 18px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, #F8EDE4, #FCF7F2);
    color: #D4735E;
    border: 1px solid #E8DDD4;
    transition: 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, #D4735E15, #D4A76A10);
    border-color: #D4735E30;
}

.category-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2C2420;
}

.category-card p {
    font-size: 0.9rem;
    color: #6A5A52;
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #D4735E;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: 0.2s;
}

.card-link:hover {
    gap: 10px;
    color: #C45A4A;
}

/* 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 16px 48px rgba(44, 36, 32, 0.06);
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 1px solid rgba(232, 221, 212, 0.3);
    pointer-events: none;
}

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

.feature-text {
    padding: 20px 0;
}

.feature-text .section-title {
    font-size: 1.8rem;
}

.feature-text .section-desc {
    margin-bottom: 28px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #4A3A32;
    border-bottom: 1px solid #F0E8E0;
}

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

.feature-list li::before {
    content: '✓';
    font-weight: 700;
    color: #8EB8A8;
    font-size: 1.1rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(142, 184, 168, 0.12);
    border-radius: 50%;
}

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

.stat-item {
    padding: 32px 20px;
    border-radius: 16px;
    border: 1px solid #E8DDD4;
    background: #FDFAF7;
    transition: 0.3s;
    position: relative;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(44, 36, 32, 0.04);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 3px;
    background: linear-gradient(90deg, #D4735E, #D4A76A);
    border-radius: 0 0 3px 3px;
    opacity: 0;
    transition: 0.3s;
}

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

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: #2C2420;
    line-height: 1.1;
    letter-spacing: -1px;
}

.stat-number .stat-suffix {
    font-size: 1.4rem;
    color: #D4735E;
    font-weight: 600;
}

.stat-label {
    font-size: 0.9rem;
    color: #7A6A62;
    margin-top: 8px;
    font-weight: 500;
}

/* 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;
    border: 1px solid #E8DDD4;
    background: #FDFAF7;
    transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(44, 36, 32, 0.06);
    border-color: #D4A76A60;
}

.content-wall-item img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    display: block;
}

.content-wall-body {
    padding: 22px 24px 26px;
}

.content-wall-body .item-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #D4735E;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.content-wall-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #2C2420;
    margin-bottom: 6px;
    line-height: 1.3;
}

.content-wall-body p {
    font-size: 0.88rem;
    color: #6A5A52;
    line-height: 1.6;
}

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

.faq-item {
    border: 1px solid #E8DDD4;
    border-radius: 12px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #FDFAF7;
    transition: 0.25s;
}

.faq-item:hover {
    border-color: #D4A76A60;
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2C2420;
    font-size: 1rem;
    transition: 0.2s;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.3rem;
    color: #D4A76A;
    font-weight: 300;
    transition: 0.3s;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
    color: #D4735E;
}

.faq-item .faq-answer {
    padding: 0 24px 18px;
    display: none;
    color: #6A5A52;
    line-height: 1.7;
    font-size: 0.92rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item.open {
    border-color: #D4735E30;
    background: #FDFAF7;
}

/* CTA横幅 */
.cta-banner {
    padding: 64px 40px;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(135deg, #D4735E, #B84A3A, #C45A4A);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -20%;
    width: 50%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(212, 167, 106, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner .section-label {
    color: rgba(255, 255, 255, 0.8);
}

.cta-banner .section-label::before {
    background: rgba(255, 255, 255, 0.5);
}

.cta-banner h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #D4735E;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.15);
}

/* 页脚 */
.site-footer {
    padding: 64px 0 28px;
    background: #2C2420;
    color: rgba(255, 255, 255, 0.8);
}

.site-footer .container {
    position: relative;
}

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

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

.footer-brand .logo .logo-icon {
    background: linear-gradient(135deg, #D4735E, #E8A090);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    max-width: 280px;
    line-height: 1.7;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

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

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 0.88rem;
    transition: 0.2s;
}

.footer-col ul li a:hover {
    color: #D4A76A;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 44px;
    padding-top: 20px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: 0.2s;
}

.footer-bottom a:hover {
    color: #D4A76A;
}

/* 工具类 */
.text-accent {
    color: #D4735E;
}

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

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    color: #6A5A52;
    line-height: 1.7;
}

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

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

/* 装饰分割线 */
.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #D4735E, #D4A76A);
    border-radius: 3px;
    margin: 0 auto 20px;
}

/* 特色圆点装饰 */
.deco-dots {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-bottom: 16px;
}

.deco-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #D4A76A;
    opacity: 0.3;
}

.deco-dots span:nth-child(2) {
    opacity: 0.6;
    background: #D4735E;
}

.deco-dots span:nth-child(3) {
    opacity: 0.9;
    background: #8EB8A8;
}

/* Hero区域装饰图形 */
.hero-deco {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(212, 115, 94, 0.06), rgba(142, 184, 168, 0.04) 60%, transparent);
    pointer-events: none;
}

.hero-deco::before {
    content: '✦';
    position: absolute;
    top: 20%;
    right: 15%;
    font-size: 1.6rem;
    color: #D4A76A;
    opacity: 0.2;
}

.hero-deco::after {
    content: '✦';
    position: absolute;
    bottom: 25%;
    left: 10%;
    font-size: 1rem;
    color: #D4735E;
    opacity: 0.15;
}

/* 响应式 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

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

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

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

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

    .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: #FCF7F2;
        padding: 24px 28px;
        gap: 16px;
        border-bottom: 1px solid #E8DDD4;
        box-shadow: 0 20px 40px rgba(44, 36, 32, 0.04);
    }

    .main-nav.open a {
        padding: 8px 0;
    }

    .hero-deco {
        display: none;
    }

    .cta-banner {
        padding: 44px 24px;
    }

    .cta-banner h2 {
        font-size: 1.6rem;
    }

    .faq-item .faq-question {
        padding: 14px 18px;
        font-size: 0.92rem;
    }
}

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

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

    .section {
        padding: 56px 0;
    }

    .stat-item {
        padding: 24px 16px;
    }

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

    .btn {
        padding: 12px 24px;
        font-size: 0.85rem;
        justify-content: center;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #F8F0E8;
}

::-webkit-scrollbar-thumb {
    background: #D4A76A80;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #D4A76A;
}