/* 基础重置 */
*, *::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: #FAF5EF;
    color: #3D2C2A;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

.section:nth-child(even) {
    background: #FDF8F4;
    position: relative;
}

.section:nth-child(even)::before {
    content: '';
    position: absolute;
    top: -40px;
    right: 0;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(232,129,93,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* 导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250,245,239,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid #E8E0D8;
    transition: all 0.3s ease;
}

.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: 1.25rem;
    text-decoration: none;
    color: #3D2C2A;
    letter-spacing: -0.02em;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 14px 6px 14px 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #E8815D, #F4B860);
    color: #fff;
    box-shadow: 0 4px 14px rgba(232,129,93,0.3);
    font-weight: 700;
}

.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: #5C4A45;
    transition: all 0.25s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #E8815D;
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

.main-nav a:hover {
    color: #E8815D;
}

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

.nav-cta {
    padding: 9px 22px;
    border-radius: 24px;
    color: #fff !important;
    font-weight: 600;
    background: linear-gradient(135deg, #E8815D, #D4724F);
    box-shadow: 0 4px 16px rgba(232,129,93,0.35);
    transition: all 0.3s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(232,129,93,0.45);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(232,129,93,0.08);
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: #3D2C2A;
    border-radius: 2px;
    transition: all 0.3s;
}

/* 首页Hero */
.hero {
    min-height: 70vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding-top: 40px;
}

.hero-content {
    max-width: 720px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 24px;
    margin-bottom: 20px;
    background: #FDE8E0;
    color: #D4724F;
    letter-spacing: 0.04em;
}

.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #E8815D;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.6); opacity: 0.5; }
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #2B1B17;
}

.hero h1 .text-accent {
    color: #E8815D;
    position: relative;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 560px;
    margin-bottom: 32px;
    color: #5C4A45;
    line-height: 1.7;
}

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

.hero-image {
    border-radius: 24px 8px 24px 8px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(61,44,42,0.12), 0 0 0 1px rgba(232,129,93,0.08);
}

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(232,129,93,0.08) 0%, transparent 50%, rgba(125,155,118,0.06) 100%);
    pointer-events: none;
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 26px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #E8815D, #D4724F);
    box-shadow: 0 6px 20px rgba(232,129,93,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(232,129,93,0.45);
    background: linear-gradient(135deg, #EC8B69, #D97552);
}

.btn-outline {
    background: transparent;
    border: 2px solid #E8D5CB;
    color: #3D2C2A;
}

.btn-outline:hover {
    border-color: #E8815D;
    color: #E8815D;
    background: rgba(232,129,93,0.04);
    transform: translateY(-2px);
}

/* 标签/标题 */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 14px;
    text-transform: uppercase;
    color: #7D9B76;
    position: relative;
}

.section-label::after {
    content: '';
    display: block;
    width: 28px;
    height: 2px;
    background: #7D9B76;
    border-radius: 1px;
    opacity: 0.5;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 14px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #2B1B17;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 40px;
    color: #5C4A45;
    font-size: 1.05rem;
    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: 20px 6px 20px 6px;
    padding: 30px 26px;
    border: 1.5px solid #EBE2D8;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    background: #FFFDFB;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(232,129,93,0.04) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.35s;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(61,44,42,0.1), 0 0 0 1px rgba(232,129,93,0.15);
    border-color: rgba(232,129,93,0.3);
}

.category-card:hover::before {
    top: -20px;
    right: -20px;
    width: 140px;
    height: 140px;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px 5px 16px 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(232,129,93,0.12), rgba(244,184,96,0.1));
    color: #E8815D;
    position: relative;
    z-index: 1;
}

.category-card:nth-child(2n) .card-icon {
    background: linear-gradient(135deg, rgba(125,155,118,0.14), rgba(164,194,158,0.1));
    color: #7D9B76;
}

.category-card:nth-child(3n) .card-icon {
    background: linear-gradient(135deg, rgba(244,184,96,0.16), rgba(232,129,93,0.08));
    color: #D4943A;
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2B1B17;
    position: relative;
    z-index: 1;
}

.category-card p {
    font-size: 0.9rem;
    color: #6B5B58;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    line-height: 1.6;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #E8815D;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
    position: relative;
    z-index: 1;
}

.card-link:hover {
    gap: 10px;
    color: #D4724F;
}

.card-link::after {
    content: '→';
    font-size: 1rem;
    transition: transform 0.3s;
}

.card-link:hover::after {
    transform: translateX(2px);
}

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

.feature-image {
    border-radius: 28px 10px 28px 10px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(61,44,42,0.1);
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(232,129,93,0.06) 0%, transparent 60%);
    pointer-events: none;
}

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

.feature-text h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #2B1B17;
    letter-spacing: -0.02em;
}

.feature-text p {
    color: #5C4A45;
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #3D2C2A;
}

.feature-list li::before {
    content: '✓';
    font-weight: 700;
    color: #7D9B76;
    font-size: 1rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(125,155,118,0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

/* 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: 20px 6px 20px 6px;
    border: 1.5px solid #EBE2D8;
    background: #FFFDFB;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #E8815D;
    border-radius: 3px;
    opacity: 0;
    transition: all 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(61,44,42,0.08);
    border-color: rgba(232,129,93,0.2);
}

.stat-item:hover::before {
    opacity: 1;
    width: 60px;
}

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: #E8815D;
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-top: 8px;
    color: #6B5B58;
}

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

.content-wall-item {
    border-radius: 20px 6px 20px 6px;
    overflow: hidden;
    border: 1.5px solid #EBE2D8;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    background: #FFFDFB;
}

.content-wall-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(61,44,42,0.1);
    border-color: rgba(232,129,93,0.2);
}

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

.content-wall-body {
    padding: 22px 20px;
}

.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2B1B17;
}

.content-wall-body p {
    font-size: 0.9rem;
    color: #6B5B58;
    line-height: 1.6;
}

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

.faq-item {
    border: 1.5px solid #EBE2D8;
    border-radius: 14px 5px 14px 5px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #FFFDFB;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(232,129,93,0.25);
}

.faq-item .faq-question {
    padding: 18px 22px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2B1B17;
    font-size: 1rem;
    gap: 16px;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #E8815D;
    transition: transform 0.3s;
    flex-shrink: 0;
}

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

.faq-item .faq-answer {
    padding: 0 22px 18px;
    display: none;
    opacity: 0.7;
    color: #5C4A45;
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-item.open {
    border-color: rgba(232,129,93,0.3);
    box-shadow: 0 4px 20px rgba(232,129,93,0.06);
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 0.7; transform: translateY(0); }
}

/* CTA横幅 */
.cta-banner {
    padding: 60px 32px;
    text-align: center;
    border-radius: 28px 8px 28px 8px;
    color: #fff;
    background: linear-gradient(150deg, #E8815D, #D4724F, #F4B860);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(232,129,93,0.25);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -40px;
    width: 220px;
    height: 220px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -30px;
    width: 180px;
    height: 180px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255,255,255,0.9);
    position: relative;
    z-index: 1;
    margin-bottom: 28px;
    font-size: 1.05rem;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #E8815D;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    background: #fff;
    color: #D4724F;
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
    transform: translateY(-3px);
}

/* 页脚 */
.site-footer {
    padding: 56px 0 28px;
    background: #F5EDE6;
    border-top: 1px solid #E8E0D8;
}

.site-footer .container {
}

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

.footer-brand h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #2B1B17;
}

.footer-brand p {
    font-size: 0.9rem;
    color: #6B5B58;
    line-height: 1.7;
}

.footer-col h5 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: #2B1B17;
}

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

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

.footer-col ul li a {
    text-decoration: none;
    color: #6B5B58;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #E8815D;
}

.footer-bottom {
    border-top: 1px solid #E8E0D8;
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #8A7A74;
}

/* 工具类 */
.text-accent {
    color: #E8815D;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.7;
    color: #5C4A45;
    font-size: 0.95rem;
    line-height: 1.7;
    text-align: center;
}

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

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

/* 装饰性背景元素 */
.section:first-of-type {
    position: relative;
}

.section:first-of-type::before {
    content: '';
    position: absolute;
    top: 10%;
    right: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(244,184,96,0.07) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 100px;
        gap: 32px;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-image {
        order: 0;
        max-width: 400px;
        margin: 0 auto;
    }

    .hero p {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

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

    .feature-image {
        order: -1;
    }

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

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

    .main-nav {
        display: none;
        opacity: 0;
        pointer-events: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        background: rgba(250,245,239,0.98);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        padding: 24px;
        border-bottom: 1px solid #E8E0D8;
        opacity: 1;
        pointer-events: auto;
        gap: 16px;
        box-shadow: 0 20px 40px rgba(61,44,42,0.08);
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }

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

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

    .cta-banner {
        padding: 44px 20px;
        border-radius: 20px 6px 20px 6px;
    }

    .section {
        padding: 60px 0;
    }

    .cards-grid {
        gap: 16px;
    }

    .content-wall {
        gap: 16px;
    }
}

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

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

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

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }

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

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

    .category-card {
        padding: 22px 18px;
    }

    .header-inner {
        padding: 0 16px;
    }

    .container {
        padding: 0 16px;
    }

    .feature-list li {
        font-size: 0.9rem;
    }

    .cta-banner {
        padding: 36px 16px;
        border-radius: 16px 5px 16px 5px;
    }
}