/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Microsoft YaHei', 'SimHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 移动端触摸优化 */
* {
    -webkit-tap-highlight-color: transparent;
}

a, button {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.z88f50container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 大屏幕优化 */
@media (min-width: 1400px) {
    .z88f50container {
        max-width: 1320px;
    }
}

/* 头部导航 */
.z88f50header {
    background-color: #1a1a1a;
    color: #fff;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.z88f50header .z88f50container {
    display: flex;
    flex-direction: column;
}

.z88f50header_top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* PC端导航栏布局 */
@media (min-width: 769px) {
    .z88f50header .z88f50container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .z88f50header_top {
        width: auto;
    }

    .z88f50nav {
        width: auto;
    }
}

.z88f50logo_text {
    font-size: 24px;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 5px;
    line-height: 1.2;
}

.z88f50logo_subtitle {
    font-size: 12px;
    color: #ccc;
    line-height: 1.4;
}

.z88f50nav {
    width: 100%;
}

.z88f50nav_list {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.z88f50nav_link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    padding: 5px 0;
    white-space: nowrap;
}

.z88f50nav_link:hover {
    color: #ff6b35;
}

.z88f50mobile_menu_toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.z88f50mobile_menu_toggle:active {
    opacity: 0.7;
}

.z88f50menu_icon {
    width: 25px;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s;
}

/* 主横幅 */
.z88f50hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.z88f50hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><polygon fill="%23ff6b35" fill-opacity="0.1" points="0,0 1200,300 0,600"/></svg>') no-repeat center;
    background-size: cover;
}

.z88f50hero_overlay {
    position: relative;
    z-index: 1;
}

.z88f50hero_wrapper {
    display: flex;
    align-items: center;
    gap: 60px;
    min-height: 500px;
}

.z88f50hero_content {
    flex: 1;
    text-align: left;
    max-width: 600px;
}

.z88f50hero_image_wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 500px;
}

.z88f50hero_image {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.z88f50hero_title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
}

.z88f50hero_subtitle {
    font-size: 20px;
    color: #ff6b35;
    margin-bottom: 30px;
    font-weight: 600;
}

.z88f50hero_description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: #e0e0e0;
}

.z88f50hero_buttons {
    display: flex;
    gap: 20px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* PC端按钮优化 */
@media (min-width: 769px) {
    .z88f50hero_buttons {
        justify-content: flex-start;
    }
}

.z88f50btn {
    padding: 15px 40px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    font-weight: 600;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.z88f50btn:active {
    transform: scale(0.98);
}

.z88f50btn_primary {
    background-color: #ff6b35;
    color: #fff;
}

.z88f50btn_primary:hover {
    background-color: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
}

.z88f50btn_secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.z88f50btn_secondary:hover {
    background-color: #fff;
    color: #1a1a1a;
}

.z88f50btn_full {
    width: 100%;
}

/* 通用区块标题 */
.z88f50section_header {
    text-align: center;
    margin-bottom: 60px;
}

.z88f50section_title {
    font-size: 36px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.z88f50section_subtitle {
    font-size: 18px;
    color: #666;
}

/* 服务项目 */
.z88f50services {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.z88f50services_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.z88f50service_card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.z88f50service_card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.z88f50service_icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.z88f50service_title {
    font-size: 22px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.z88f50service_description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 优势特点 */
.z88f50advantages {
    padding: 80px 0;
    background-color: #fff;
}

.z88f50advantages_content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.z88f50advantage_item {
    text-align: center;
    padding: 30px;
}

.z88f50advantage_number {
    font-size: 60px;
    font-weight: bold;
    color: #ff6b35;
    opacity: 0.2;
    margin-bottom: 20px;
    line-height: 1;
}

.z88f50advantage_title {
    font-size: 24px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.z88f50advantage_text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 服务流程 */
.z88f50process {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.z88f50process_steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.z88f50process_step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.z88f50process_icon {
    width: 60px;
    height: 60px;
    background-color: #ff6b35;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.z88f50process_title {
    font-size: 18px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.z88f50process_text {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.z88f50process_arrow {
    font-size: 30px;
    color: #ff6b35;
    font-weight: bold;
}

/* 关于我们 */
.z88f50about {
    padding: 80px 0;
    background-color: #fff;
}

.z88f50about_title {
    font-size: 36px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

.z88f50about_description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.z88f50stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.z88f50stat_item {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.z88f50stat_number {
    font-size: 42px;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 10px;
}

.z88f50stat_label {
    font-size: 16px;
    color: #666;
}

/* 联系我们 */
.z88f50contact {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.z88f50contact_content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.z88f50contact_info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.z88f50contact_item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.z88f50contact_icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.z88f50contact_title {
    font-size: 20px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.z88f50contact_text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.z88f50contact_form_wrapper {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.z88f50form_group {
    margin-bottom: 25px;
}

.z88f50form_label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.z88f50form_input,
.z88f50form_textarea {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.z88f50form_input:focus,
.z88f50form_textarea:focus {
    outline: none;
    border-color: #ff6b35;
}

.z88f50form_textarea {
    resize: vertical;
}

/* 通用广告区域 */
.z88f50ad_section {
    padding: 20px 0;
    background-color: #f8f9fa;
}

.z88f50ad_wrapper {
    text-align: center;
    margin: 0 auto;
}

.z88f50ad_wrapper img {
    max-width: 100%;
    height: auto;
}

/* 页脚 */
.z88f50footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 0 20px;
}

.z88f50footer_content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.z88f50footer_title {
    font-size: 20px;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 20px;
}

.z88f50footer_text {
    font-size: 14px;
    color: #ccc;
    line-height: 1.8;
}

.z88f50footer_list {
    list-style: none;
}

.z88f50footer_item {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 10px;
    line-height: 1.8;
}

.z88f50footer_bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
}

.z88f50footer_copyright {
    font-size: 14px;
    color: #999;
    margin-bottom: 8px;
    line-height: 1.6;
}

.z88f50footer_copyright a {
    color: #ff6b35;
    text-decoration: none;
    transition: color 0.3s;
}

.z88f50footer_copyright a:hover {
    color: #fff;
    text-decoration: underline;
}

.z88f50footer_links {
    background-color: #252525;
    padding: 30px 0;
    border-top: 1px solid #333;
}

.z88f50footer_links_title {
    font-size: 18px;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 15px;
    text-align: center;
}

.z88f50footer_links_list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 30px;
    padding: 0;
    margin: 0;
}

.z88f50footer_links_list li {
    margin: 0;
}

.z88f50footer_links_list a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.z88f50footer_links_list a:hover {
    color: #ff6b35;
}

/* 响应式设计 - 平板横屏和小桌面 */
@media (max-width: 1024px) {
    .z88f50container {
        padding: 0 18px;
    }

    .z88f50hero {
        padding: 100px 0;
    }

    .z88f50hero_wrapper {
        gap: 40px;
    }

    .z88f50hero_title {
        font-size: 36px;
    }

    .z88f50hero_subtitle {
        font-size: 18px;
    }

    .z88f50hero_description {
        font-size: 17px;
    }

    .z88f50hero_image_wrapper {
        max-width: 450px;
    }

    .z88f50section_title {
        font-size: 32px;
    }

    .z88f50services_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .z88f50advantages_content {
        grid-template-columns: repeat(2, 1fr);
        gap: 35px;
    }

    .z88f50process_steps {
        gap: 15px;
    }

    .z88f50process_step {
        min-width: 140px;
        padding: 25px 18px;
    }
}

/* 响应式设计 - 中等平板 */
@media (max-width: 900px) {
    .z88f50hero_wrapper {
        gap: 35px;
    }

    .z88f50hero_title {
        font-size: 32px;
    }

    .z88f50hero_image_wrapper {
        max-width: 400px;
    }

    .z88f50services_grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z88f50advantages_content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式设计 - 平板竖屏 */
@media (max-width: 768px) {
    .z88f50container {
        padding: 0 15px;
    }

    .z88f50header {
        padding: 10px 0 0 0;
    }

    .z88f50header_top {
        padding-bottom: 8px;
    }

    .z88f50logo_text {
        font-size: 20px;
    }

    .z88f50logo_subtitle {
        font-size: 11px;
    }

    .z88f50nav {
        display: block;
        width: 100%;
        margin-top: 0;
        padding: 0;
        background-color: transparent;
        border: none;
        box-shadow: none;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
    }

    .z88f50nav::-webkit-scrollbar {
        display: none;
    }

    .z88f50nav {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    .z88f50nav_list {
        display: flex;
        flex-direction: row;
        gap: 12px;
        align-items: center;
        padding: 0;
        margin: 0;
        width: max-content;
    }

    .z88f50nav_item {
        flex-shrink: 0;
    }

    .z88f50nav_link {
        font-size: 13px;
        padding: 5px 0;
        display: block;
        width: auto;
        color: #fff;
        text-decoration: none;
        border: none;
        background: none;
        white-space: nowrap;
    }

    .z88f50nav_link:hover {
        color: #ff6b35;
    }

    .z88f50mobile_menu_toggle {
        display: none;
    }

    .z88f50hero {
        padding: 70px 0;
    }

    .z88f50hero_wrapper {
        flex-direction: column;
        gap: 35px;
        min-height: auto;
    }

    .z88f50hero_content {
        text-align: center;
        max-width: 100%;
    }

    .z88f50hero_image_wrapper {
        max-width: 100%;
        order: -1;
    }

    .z88f50hero_image {
        max-width: 75%;
    }

    .z88f50hero_title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .z88f50hero_subtitle {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .z88f50hero_description {
        font-size: 15px;
        margin-bottom: 30px;
    }

    .z88f50hero_buttons {
        justify-content: center;
    }

    .z88f50section_header {
        margin-bottom: 40px;
    }

    .z88f50section_title {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .z88f50section_subtitle {
        font-size: 16px;
    }

    .z88f50services {
        padding: 60px 0;
    }

    .z88f50services_grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .z88f50service_card {
        padding: 30px 25px;
    }

    .z88f50advantages {
        padding: 60px 0;
    }

    .z88f50advantages_content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .z88f50process {
        padding: 60px 0;
    }

    .z88f50process_steps {
        flex-direction: column;
        gap: 15px;
    }

    .z88f50process_step {
        width: 100%;
        min-width: auto;
    }

    .z88f50process_arrow {
        transform: rotate(90deg);
        margin: 5px 0;
        font-size: 24px;
    }

    .z88f50about {
        padding: 60px 0;
    }

    .z88f50about_title {
        font-size: 28px;
    }

    .z88f50stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .z88f50stat_item {
        padding: 25px 20px;
    }

    .z88f50stat_number {
        font-size: 36px;
    }

    .z88f50contact {
        padding: 60px 0;
    }

    .z88f50contact_content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .z88f50contact_item {
        padding: 25px;
    }

    .z88f50contact_form_wrapper {
        padding: 30px 25px;
    }

    .z88f50footer {
        padding: 50px 0 20px;
    }

    .z88f50footer_content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .z88f50footer_links {
        padding: 25px 0;
    }

    .z88f50footer_links_list {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 480px) {
    .z88f50container {
        padding: 0 12px;
    }

    .z88f50header {
        padding: 8px 0 0 0;
    }

    .z88f50header_top {
        padding-bottom: 6px;
    }

    .z88f50nav_list {
        gap: 10px;
    }

    .z88f50nav_link {
        font-size: 12px;
        padding: 4px 0;
    }

    .z88f50logo_text {
        font-size: 18px;
        line-height: 1.3;
    }

    .z88f50logo_subtitle {
        font-size: 10px;
    }

    .z88f50hero {
        padding: 50px 0;
    }

    .z88f50hero_wrapper {
        gap: 25px;
    }

    .z88f50hero_image {
        max-width: 85%;
    }

    .z88f50hero_title {
        font-size: 22px;
        line-height: 1.4;
        margin-bottom: 12px;
    }

    .z88f50hero_subtitle {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .z88f50hero_description {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 25px;
    }

    .z88f50hero_buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .z88f50btn {
        width: 100%;
        padding: 14px 30px;
        font-size: 15px;
    }

    .z88f50section_header {
        margin-bottom: 30px;
    }

    .z88f50section_title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .z88f50section_subtitle {
        font-size: 14px;
    }

    .z88f50services {
        padding: 50px 0;
    }

    .z88f50services_grid {
        gap: 20px;
    }

    .z88f50service_card {
        padding: 25px 20px;
    }

    .z88f50service_icon {
        font-size: 45px;
        margin-bottom: 15px;
    }

    .z88f50service_title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .z88f50service_description {
        font-size: 14px;
        line-height: 1.7;
    }

    .z88f50advantages {
        padding: 50px 0;
    }

    .z88f50advantages_content {
        gap: 25px;
    }

    .z88f50advantage_item {
        padding: 25px 20px;
    }

    .z88f50advantage_number {
        font-size: 50px;
        margin-bottom: 15px;
    }

    .z88f50advantage_title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .z88f50advantage_text {
        font-size: 14px;
        line-height: 1.7;
    }

    .z88f50process {
        padding: 50px 0;
    }

    .z88f50process_step {
        padding: 25px 15px;
    }

    .z88f50process_icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
        margin-bottom: 15px;
    }

    .z88f50process_title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .z88f50process_text {
        font-size: 13px;
    }

    .z88f50about {
        padding: 50px 0;
    }

    .z88f50about_title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .z88f50about_description {
        font-size: 14px;
        line-height: 1.7;
    }

    .z88f50stats {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 35px;
    }

    .z88f50stat_item {
        padding: 20px 15px;
    }

    .z88f50stat_number {
        font-size: 32px;
    }

    .z88f50stat_label {
        font-size: 14px;
    }

    .z88f50contact {
        padding: 50px 0;
    }

    .z88f50contact_content {
        gap: 25px;
    }

    .z88f50contact_item {
        padding: 20px;
    }

    .z88f50contact_icon {
        font-size: 35px;
        margin-bottom: 12px;
    }

    .z88f50contact_title {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .z88f50contact_text {
        font-size: 14px;
    }

    .z88f50contact_form_wrapper {
        padding: 20px 15px;
    }

    .z88f50form_group {
        margin-bottom: 20px;
    }

    .z88f50form_label {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .z88f50form_input,
    .z88f50form_textarea {
        padding: 10px 12px;
        font-size: 14px;
    }

    .z88f50footer {
        padding: 40px 0 15px;
    }

    .z88f50footer_content {
        gap: 25px;
        margin-bottom: 30px;
    }

    .z88f50footer_title {
        font-size: 18px;
        margin-bottom: 15px;
    }

    .z88f50footer_text {
        font-size: 13px;
    }

    .z88f50footer_item {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .z88f50footer_copyright {
        font-size: 12px;
    }
}

/* 响应式设计 - 超小屏幕 */
@media (max-width: 360px) {
    .z88f50hero_title {
        font-size: 20px;
    }

    .z88f50hero_subtitle {
        font-size: 13px;
    }

    .z88f50hero_description {
        font-size: 13px;
    }

    .z88f50section_title {
        font-size: 22px;
    }

    .z88f50service_card {
        padding: 20px 15px;
    }

    .z88f50contact_form_wrapper {
        padding: 15px 12px;
    }
}

/* 打印样式 */
@media print {
    .z88f50header,
    .z88f50footer,
    .z88f50contact_form_wrapper,
    .z88f50hero_buttons {
        display: none;
    }
}