/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html, body {
    font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
    background: #181c23;
    color: #f3f3f3;
    min-height: 100vh;
}
.z86246container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 顶部导航栏 */
.z86246navbar {
    background: rgba(20, 24, 32, 0.98);
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    position: sticky;
    top: 0;
    z-index: 100;
}
.z86246nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}
.z86246site-title {
    font-size: 1.7rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: #00ffea;
    text-shadow: 0 2px 8px #00ffea44;
}
.z86246nav-links a {
    color: #f3f3f3;
    text-decoration: none;
    margin-left: 2rem;
    font-size: 1.1rem;
    transition: color 0.2s;
}
.z86246nav-links a:hover {
    color: #00ffea;
}
.z86246nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #00ffea;
    font-size: 2rem;
    cursor: pointer;
    margin-left: 1rem;
    z-index: 101;
}

/* 主横幅 */
.z86246banner {
    background: linear-gradient(120deg, #232a34 60%, #00ffea22 100%);
    padding: 3rem 0 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.z86246banner-content h1 {
    font-size: 2.5rem;
    color: #00ffea;
    margin-bottom: 1rem;
    text-shadow: 0 4px 24px #00ffea33;
}
.z86246banner-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #f3f3f3;
}
.z86246banner-keywords {
    color: #00ffea;
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}
.z86246banner-img {
    width: 320px;
    max-width: 90vw;
    border-radius: 1.2rem;
    box-shadow: 0 8px 32px #00ffea33;
    margin-top: 1rem;
}

/* 板块样式 */
.z86246section {
    margin: 3rem 0 2rem 0;
    padding: 2rem 1rem;
    background: rgba(30, 36, 48, 0.95);
    border-radius: 1.2rem;
    box-shadow: 0 2px 16px #00ffea11;
}
.z86246section h2 {
    color: #00ffea;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    text-align: center;
}

/* 服务列表 */
.z86246service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}
.z86246service-item {
    flex: 1 1 220px;
    min-width: 220px;
    max-width: 300px;
    background: #232a34;
    border-radius: 1rem;
    padding: 1.5rem 1rem;
    margin: 0.5rem 0;
    box-shadow: 0 2px 12px #00ffea22;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.z86246service-item:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 8px 32px #00ffea33;
}
.z86246service-item h3 {
    color: #00ffea;
    margin-bottom: 0.7rem;
}

/* 关于我们 */
.z86246about-list {
    margin-top: 1rem;
    list-style: disc inside;
    color: #00ffea;
    font-size: 1.1rem;
    padding-left: 1.5rem;
}

/* 联系我们表单 */
.z86246contact-form {
    max-width: 420px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.z86246form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: #00ffea;
}
.z86246form-group input,
.z86246form-group textarea {
    width: 100%;
    padding: 0.7rem;
    border: none;
    border-radius: 0.5rem;
    background: #232a34;
    color: #f3f3f3;
    font-size: 1rem;
    box-shadow: 0 1px 4px #00ffea11;
}
.z86246form-group input:focus,
.z86246form-group textarea:focus {
    outline: 2px solid #00ffea;
    background: #1a1f27;
}
.z86246contact-form button {
    background: linear-gradient(90deg, #00ffea 60%, #00bfae 100%);
    color: #181c23;
    font-weight: bold;
    border: none;
    border-radius: 0.5rem;
    padding: 0.9rem;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 2px 8px #00ffea33;
    transition: background 0.2s, color 0.2s;
}
.z86246contact-form button:hover {
    background: #00bfae;
    color: #fff;
}

/* 页脚 */
.z86246footer {
    background: #181c23;
    text-align: center;
    padding: 1.2rem 0 1.5rem 0;
    color: #888;
    font-size: 1rem;
    margin-top: 2rem;
    border-radius: 1.2rem 1.2rem 0 0;
    box-shadow: 0 -2px 12px #00ffea11;
}

/* 背景美化元素 */
.z86246background-decor {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(circle at 80% 10%, #00ffea22 0, transparent 60%),
                radial-gradient(circle at 20% 80%, #00bfae22 0, transparent 60%);
}

/* 优势板块 */
.z86246advantages .z86246advantage-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1rem;
}
.z86246advantage-item {
    background: #232a34;
    color: #00ffea;
    border-radius: 0.8rem;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px #00ffea22;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.z86246advantage-item span {
    font-size: 1.3rem;
    margin-right: 0.5rem;
}

/* 服务流程 */
.z86246flow-list {
    margin: 1.2rem auto 0 auto;
    max-width: 600px;
    padding-left: 1.2rem;
    color: #f3f3f3;
    font-size: 1.1rem;
    line-height: 2;
}
.z86246flow-list li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 0.5rem;
}

/* 客户评价 */
.z86246testimonials .z86246testimonial-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1rem;
}
.z86246testimonial-item {
    background: #232a34;
    border-radius: 0.8rem;
    box-shadow: 0 2px 8px #00ffea22;
    padding: 1.2rem 1rem;
    max-width: 320px;
    min-width: 220px;
    color: #f3f3f3;
    font-size: 1rem;
    text-align: left;
    position: relative;
}
.z86246testimonial-item p {
    margin-bottom: 0.7rem;
    font-style: italic;
}
.z86246testimonial-item span {
    color: #00ffea;
    font-size: 0.95rem;
}

/* FAQ */
.z86246faq-list {
    margin-top: 1.2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.z86246faq-item {
    background: #232a34;
    border-radius: 0.8rem;
    box-shadow: 0 2px 8px #00ffea22;
    padding: 1rem 1.2rem;
    margin-bottom: 1rem;
}
.z86246faq-item strong {
    color: #00ffea;
    display: block;
    margin-bottom: 0.3rem;
}

/* 新闻资讯 */
.z86246news-list {
    margin-top: 1.2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    list-style: none;
    color: #f3f3f3;
    font-size: 1.05rem;
}
.z86246news-list li {
    background: #232a34;
    border-radius: 0.8rem;
    box-shadow: 0 2px 8px #00ffea22;
    padding: 0.8rem 1.2rem;
    margin-bottom: 0.7rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.z86246news-list span {
    color: #00ffea;
    font-size: 0.98rem;
    min-width: 90px;
    display: inline-block;
}

/* 响应式设计 */
@media (max-width: 900px) {
    .z86246nav-toggle {
        display: block;
    }
    .z86246nav-links {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(20,24,32,0.98);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 0 0 1rem 0;
        display: none;
        box-shadow: 0 4px 16px #00ffea22;
        border-radius: 0 0 1rem 1rem;
    }
    .z86246nav-links.open {
        display: flex;
        animation: navOpen 0.2s;
    }
    .z86246nav-links a {
        width: 100%;
        padding: 1rem 2rem;
        margin: 0;
        border-bottom: 1px solid #232a34;
        font-size: 1.1rem;
    }
    .z86246nav-links a:last-child {
        border-bottom: none;
    }
    .z86246nav-container {
        position: relative;
    }
    .z86246service-list {
        flex-direction: column;
        align-items: center;
    }
    .z86246advantages .z86246advantage-list,
    .z86246testimonials .z86246testimonial-list {
        flex-direction: column;
        align-items: center;
    }
}
@keyframes navOpen {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 600px) {
    .z86246container {
        width: 98%;
    }
    .z86246banner-content h1 {
        font-size: 1.5rem;
    }
    .z86246section h2 {
        font-size: 1.3rem;
    }
    .z86246service-item {
        min-width: 90vw;
        max-width: 98vw;
    }
    .z86246footer {
        font-size: 0.9rem;
    }
}