body {
    font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial,
        "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei",
        "Hiragino Sans GB", "Hiragino Sans GB W3", "FontAwesome", sans-serif;
    box-sizing: border-box;
    overflow-x: hidden;
}

h4 {
    font-weight: 500 !important;
    margin-bottom: 0;
}

* {
    margin: 0;
    padding: 0;
}

ul {
    margin: 0;
    padding: 0;
    margin-bottom: 0 !important;
}

li {
    list-style: none;
}

a {
    color: #333;
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:active {
    text-decoration: none;
}

a:hover {
    color: #a01212;
    text-decoration: none;
}
p {
    margin-bottom: 0;
}

.box {
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

header {
    width: 100%;
    height: 90px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 50px;
    box-sizing: border-box;
}
header .left {
    display: flex;
    align-items: center;
    justify-content: center;
}
header .left img {
    width: 79px;
    height: 62px;
    margin-right: 23px;
}

header .left h1 {
    font-family: MicrosoftSansSerif;
    font-size: 18px;
    color: #333333;
    line-height: 21px;
}

header .right {
    display: flex;
    align-items: center;
    justify-content: center;
}

header .right .phone {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}
header .right .phone img {
    width: 24px;
    height: 25px;
    margin-right: 10px;
}
header .right .phone p {
    font-family: MicrosoftSansSerif;
    font-size: 16px;
    color: #333333;
    line-height: 18px;
}

header .right .language {
    display: flex;
    align-items: center;
    justify-content: center;
}

header .right .language img {
    width: 25px;
    height: 25px;
    margin-right: 10px;
}

header .right .language p {
    width: 42px;
    height: 31px;
    background: #dfdfdf;
    border-radius: 16px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 16px;
    color: #6d6d6d;
    line-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    cursor: pointer;
}

header .right .language p.active {
    background: #3f2f2f;
    color: #fff;
}

nav {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        90deg,
        #3d2d2d 0%,
        #292525 1%,
        #574747 50%,
        #292525 100%
    );
}

nav ul {
    width: 70%;
    display: flex;
    align-items: center;
    justify-content: center;
}
nav ul li a {
    margin-right: 45px;
    font-family: MicrosoftSansSerif;
    font-size: 18px;
    color: #ffffff;
    line-height: 21px;
    text-align: left;
    font-style: normal;
}

/* WOW动画相关样式 */
.wow {
    visibility: hidden;
}

.wow.animated {
    visibility: visible;
}

/* Footer整体样式 */
.footer {
    background-color: #292525; /* 深海军蓝，匹配原图色调 */
    color: #ffffff;
    padding: 40px 170px;
    font-family: Arial, sans-serif;
    box-sizing: border-box;
}

/* 容器：控制最大宽度+居中 */
.footer-container {
    /* max-width: 1200px; */
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap; /* 响应式换行 */
    gap: 40px; /* 元素间距 */
    justify-content: space-between;
    align-items: flex-start;
}

/* 各区域标题样式 */
.footer-title {
    font-size: 18px;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 24px;
    color: #ffffff;
    line-height: 36px;
}

/* Logo区域 */
.footer-brand {
    flex: 0.7;
    min-width: 120px; /* 最小宽度，避免压缩 */
}
.footer-logo {
    width: 100px; /* 可根据实际Logo调整 */
    height: auto;
}

/* 联系信息区域 */
.footer-contact {
    /* flex: 2; */
    flex: 1;
    min-width: 180px;
    line-height: 1.8;
}
.footer-contact p,
.footer-consult p {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 18px;
    color: #ffffff;
    line-height: 40px;
}

/* 快捷链接区域 */
.footer-links {
    flex: 1;
    min-width: 120px;
}
.footer-links ul {
    list-style: none;
    line-height: 2;
}
.footer-links a {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 18px;
    color: #ffffff;
    line-height: 40px;
    transition: color 0.3s;
    cursor: pointer;
}
.footer-links a:hover {
    color: #e2e8f0;
}

/* 咨询区域 */
.footer-consult {
    flex: 2;
    min-width: 200px;
    line-height: 1.8;
}
.contact-btn {
    width: 253px;
    height: 52px;
    border-radius: 1px;
    border: 1px solid #9f8787;
    background: transparent;
    border: 1px solid #ffffff;
    color: #ffffff;
    padding: 8px 20px;
    margin-top: 15px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 16px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    line-height: 34px;
    transition: background 0.3s, color 0.3s;
}

.contact-btn:hover {
    background: #ffffff;
    color: #1e293b;
}

.footer-social {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-top: 20px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.footer-social a:hover {
    transform: translateY(-3px);
}

.footer-social a img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.float-box {
    position: fixed;
    bottom: 120px;
    right: 0px;
    z-index: 999;
    display: flex;
    flex-direction: column;
}

.float-item {
    position: relative;
    width: 100px;
    height: 100px;
    background: rgba(0, 0, 0, 0.46);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid #fff;
    cursor: pointer;
}
.float-item .float-item-a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.float-item .img {
    width: 32px;
    height: 26px;
}
.float-item:nth-child(2) .img {
    width: 24px;
    height: 28px;
}
.float-item:nth-child(3) .img {
    width: 20px;
    height: 32px;
}
.float-item:nth-child(3) {
    border: none;
}

.float-item p {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #ffffff;
    line-height: 40px;
}

.phone-popup {
    position: absolute;
    right: 120px;
    bottom: -50px;
    width: 531px;
    background: #ffffff;
    box-shadow: 0px 20px 30px 0px rgba(0, 0, 0, 0.08);
    border-radius: 20px;
    padding: 32px 40px;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.float-item:hover .phone-popup {
    opacity: 1;
    visibility: visible;
}

.popup-title {
    font-family: Helvetica;
    font-size: 18px;
    color: #333333;
    line-height: 26px;
    margin-bottom: 20px;
}

.popup-content {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff4f4;
    border-radius: 10px;
    padding: 30px 25px;
}

.phone-icon {
    width: 71px;
    height: 71px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.phone-icon img {
    width: 100%;
    height: 100%;
}

.phone-info {
    display: flex;
    flex-direction: column;
}

.phone-label {
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 18px;
    color: #3f2f2f;
    margin-bottom: 5px;
}

.phone-number {
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 26px;
    color: #3f2f2f;
}

/* 导航栏下拉菜单样式 */
.nav-item-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 50px;
    left: 0;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.nav-item-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-content {
    background: #ffffff;
    border-radius: 4px;
    border: 1px solid #cdcdcd;
    padding: 24px;
    width: 373px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-dropdown-content a {
    display: block;
    padding: 8px 0;
    font-family: Helvetica;
    font-size: 16px;
    color: #555555;
    transition: color 0.2s;
    margin-bottom: 20px;
}

.nav-dropdown-content a:hover {
    color: #a01212;
}

/* 移动端导航样式 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    margin-left: auto;
}

.menu-icon {
    width: 100%;
    height: 2px;
    background-color: #333;
    transition: all 0.3s;
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transition: right 0.3s;
}

.mobile-nav-overlay.active {
    right: 0;
}

.mobile-nav-container {
    position: absolute;
    top: 0;
    right: 0;
    width: 80%;
    height: 100%;
    background-color: #fff;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #eee;
}

/* 移动端联系方式和语言切换 */
.mobile-nav-contact {
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    background-color: #f9f9f9;
}

.mobile-phone {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.mobile-phone img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.mobile-phone span {
    font-size: 16px;
    color: #333;
}

.mobile-language {
    display: flex;
    align-items: center;
}

.mobile-language img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.language-options {
    display: flex;
    gap: 15px;
}

.language-options p {
    margin: 0;
    font-size: 16px;
    color: #333;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.language-options p.active {
    color: #a01212;
    font-weight: bold;
}

.language-options p:hover {
    background-color: #f0f0f0;
}

.mobile-logo {
    width: 120px;
    height: auto;
}

.close-btn {
    font-size: 34px;
    cursor: pointer;
    color: #333;
}

.mobile-nav {
    list-style: none;
    padding: 0;
}

.mobile-nav li {
    border-bottom: 1px solid #eee;
}

.mobile-nav > li > a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    font-family: MicrosoftSansSerif;
    font-size: 18px;
    color: #000000;
    line-height: 21px;
}

.mobile-nav-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.mobile-nav-item-header a {
    text-decoration: none;
    font-family: MicrosoftSansSerif;
    font-size: 18px;
    color: #000000;
}

.arrow-icon {
    font-size: 20px;
    transition: transform 0.3s;
}

.arrow-icon.rotated {
    transform: rotate(90deg);
}

.mobile-submenu {
    list-style: none;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #f9f9f9;
}

.mobile-submenu.active {
    max-height: 500px;
}

.mobile-submenu li a {
    display: block;
    padding: 12px 20px 12px 40px;
    color: #555;
    text-decoration: none;
    font-family: Helvetica;
    font-size: 16px;
    color: #666666;
    line-height: 20px;
}

.mobile-submenu li a:hover {
    color: #a01212;
    background-color: #f0f0f0;
}

.explore-item {
    margin-bottom: 55px;
}

.explore-box {
    width: 100%;
    padding: 20px 170px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    background: #f3f3f3;
}

.explore-box h2 {
    font-family: Helvetica;
    font-size: 22px;
    color: #333333;
    line-height: 26px;
    letter-spacing: 1px;
    margin: 60px 0;
    text-align: center;
}

.explore-item-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start !important;
    width: 100%;
    gap: 20px;
}

.explore-item {
    flex: 0 0 calc(25% - 17px);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 20px;
    box-sizing: border-box;
}

.explore-item img {
    width: 130px;
    height: 130px;
    object-fit: contain;
    margin-bottom: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.explore-item img:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.explore-item p {
    font-family: Helvetica;
    font-size: 18px;
    color: #555555;
    line-height: 26px;
    letter-spacing: 1px;
    margin: 0;
    text-align: center;
    width: 90%;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    white-space: normal;
    box-sizing: border-box;
}

.about-us-tag {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
    width: 100%;
    margin: 40px 0;
}

.about-us-tag-item {
    flex: 0 0 calc(25% - 15px);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 131px;
    background: linear-gradient(180deg, #f3f3f3 0%, #fafafa 100%);
    border-radius: 10px;
    padding: 20px 30px;
    box-sizing: border-box;
}
@media (max-width: 1750px) {
    .about-us-tag-item {
        flex: 0 0 calc(50% - 15px);
    }
}

.about-us-tag-item img {
    width: 68px;
    height: 55px;
    margin-right: 21px;
}

.about-us-tag-item:nth-child(2) img {
    width: 49px;
    height: 57px;
}

.about-us-tag-item:nth-child(3) img {
    width: 70px;
    height: 65px;
}

.about-us-tag-item:nth-child(4) img {
    width: 71px;
    height: 67px;
}

.about-us-tag-item p {
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 20px;
    color: #292525;
}

/* 1100px屏幕适配：logo单独一排居中 */
@media (max-width: 1100px) {
    /* Explore-box响应式优化 - 中等屏幕：3个一行 */
    .explore-item {
        flex: 0 0 calc(33.33% - 13.33px);
    }

    .explore-item img {
        width: 110px;
        height: 110px;
        margin-bottom: 30px;
    }

    .explore-item p {
        font-size: 16px;
        line-height: 24px;
    }

    .footer-container {
        flex-direction: column;
        align-items: center;
    }

    .footer-brand {
        margin-bottom: 30px;
    }

    .footer-contact,
    .footer-links,
    .footer-consult {
        text-align: center;
    }
    .footer-social {
        justify-content: center;
    }
}

/* 响应式适配：小屏幕下堆叠排列 */
@media (max-width: 768px) {
    /* Header响应式优化 */
    header {
        padding: 0 15px;
        height: auto;
        min-height: 70px;
    }

    header .left img {
        width: 50px;
        height: 40px;
        margin-right: 10px;
    }

    header .left h1 {
        font-size: 14px;
        line-height: 16px;
        /* max-width: 200px; */
        /* overflow: hidden;
    text-overflow: ellipsis; */
        white-space: nowrap;
    }

    header .right .phone {
        display: none;
    }

    header .right .language {
        display: none;
    }

    /* Nav响应式优化 */
    nav {
        height: auto;
        padding: 10px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        display: none;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .desktop-only {
        display: none;
    }
    /* Header响应式优化 */
    header {
        padding: 0 15px;
        height: auto;
        min-height: 70px;
    }

    header .left img {
        width: 50px;
        height: 40px;
        margin-right: 10px;
    }

    header .left h1 {
        font-size: 14px;
        line-height: 16px;
        max-width: 200px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    header .right .phone {
        margin-right: 10px;
    }

    header .right .phone img {
        width: 18px;
        height: 18px;
        margin-right: 5px;
    }

    header .right .phone p {
        font-size: 12px;
        line-height: 14px;
    }

    header .right .language img {
        width: 18px;
        height: 18px;
        margin-right: 5px;
    }

    header .right .language p {
        width: 30px;
        height: 25px;
        font-size: 12px;
        line-height: 20px;
        margin-right: 5px;
    }

    /* Nav响应式优化 */
    nav {
        height: auto;
        padding: 10px 0;
    }

    nav ul {
        width: 95%;
        flex-wrap: wrap;
    }

    nav ul li a {
        margin-right: 15px;
        margin-bottom: 5px;
        font-size: 14px;
    }

    /* 产品分类响应式优化 - 中等屏幕 */
    .product-categories {
        gap: 20px;
        margin: 20px auto;
        justify-content: flex-start;
    }

    /* Gallery响应式优化 - 中等屏幕 */
    .gallery-item {
        flex: 0 0 calc(50% - 10px); /* 中等屏幕下一行两个 */
    }

    .gallery-item p {
        font-size: 18px;
    }

    .gallery-item .gallery-btn {
        width: 180px;
        height: 45px;
        font-size: 18px;
    }

    /* Customization & Craftsmanship响应式优化 - 中等屏幕 */
    .craftsmanship-container {
        padding: 0 20px;
        gap: 10px;
        margin: 40px 0;
    }

    .craftsmanship-item {
        flex: 0 0 calc(30% - 5px); /* 中等屏幕下一行三个 */
    }

    .craftsmanship-item img {
        width: 200px;
        height: 180px;
    }

    .craftsmanship-item p {
        font-size: 16px;
        line-height: 22px;
        min-height: 44px;
    }

    .craftsmanship-item .arrow-right {
        width: 18px;
        height: 23px;
        margin-top: 8px;
        flex: 0 0 18px;
    }

    /* Why Choose Us响应式优化 - 中等屏幕 */
    .choose-us {
        margin: 40px 0;
    }

    .choose-us h2 {
        font-size: 20px;
        line-height: 24px;
    }

    .choose-us p {
        font-size: 16px;
        line-height: 24px;
        width: 80%;
    }
    .choose-us .content-box {
        flex-direction: column;
    }

    .choose-us .content-box .left {
        position: relative;
        width: 100%;
        margin-bottom: 20px;
    }

    .choose-us .content-box .left .img-left {
        width: 100%;
        /* max-width: 400px; */
        height: 338px;
        margin-bottom: 15px;
    }

    /* .choose-us .content-box .left .img-right {
    position: static;
    width: 100%;
    height: auto;
    margin-top: 0;
  } */

    .choose-us .content-box .right {
        width: 100%;
        font-size: 16px;
        line-height: 24px;
    }

    /* Video-box响应式优化 - 中等屏幕 */
    .video-box {
        padding: 20px 40px;
        margin: 40px 0;
    }

    .video-box video {
        min-height: 250px;
    }

    /* Explore-box响应式优化 - 中等屏幕 */
    .explore-box {
        padding: 20px 40px;
    }

    .explore-box h2 {
        font-size: 20px;
        margin-bottom: 30px;
    }

    /* About-us-tag响应式优化 - 中等屏幕 */
    .about-us {
        padding: 40px 20px;
    }

    .about-us-tag-item {
        flex: 0 0 calc(50% - 10px); /* 中等屏幕下一行两个 */
        padding: 20px 40px; /* 减小内边距以适应较小宽度 */
    }

    /* Footer响应式优化 */
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-brand {
        margin-bottom: 20px;
    }

    .footer-social {
        gap: 10px;
    }

    .footer-social a {
        width: 35px;
        height: 35px;
    }

    .footer-social a img {
        width: 35px;
        height: 35px;
    }
    /* 悬浮框响应式优化 - 中等屏幕 */
    .float-box {
        bottom: 80px;
        right: 10px;
    }

    .float-item {
        width: 80px;
        height: 80px;
    }

    .float-item img {
        width: 26px;
        height: 20px;
    }

    .float-item:nth-child(2) img {
        width: 20px;
        height: 23px;
    }

    .float-item:nth-child(3) img {
        width: 16px;
        height: 26px;
    }

    .float-item p {
        font-size: 14px;
        line-height: 32px;
    }

    .phone-popup {
        right: 90px;
        bottom: -30px;
        width: 320px;
        padding: 20px 25px;
    }

    .popup-title {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .popup-content {
        padding: 20px 15px;
    }

    .phone-icon {
        width: 50px;
        height: 50px;
        margin-right: 15px;
    }

    .phone-label {
        font-size: 14px;
    }

    .phone-number {
        font-size: 18px;
    }
    .footer-social {
        justify-content: center;
    }
}

/* 中等小屏幕适配 */
@media (max-width: 600px) {
    /* Explore-box响应式优化 - 小屏幕：2个一行 */
    .explore-box {
        padding: 20px 30px;
    }

    .explore-box h2 {
        font-size: 18px;
        margin-bottom: 25px;
    }

    .explore-item-container {
        gap: 12px;
    }

    .explore-item {
        flex: 0 0 calc(50% - 6px);
    }

    .explore-item img {
        width: 110px;
        height: 110px;
        margin-bottom: 25px;
    }

    .explore-item p {
        font-size: 15px;
        line-height: 22px;
    }
}

/* 超小屏幕适配 */
@media (max-width: 500px) {
    /* Explore-box响应式优化 - 超小屏幕：2个一行 */
    .explore-box {
        padding: 20px 15px;
    }

    .explore-box h2 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .explore-item {
        flex: 0 0 calc(50% - 6px);
    }

    .explore-item img {
        width: 100px;
        height: 100px;
        margin-bottom: 20px;
    }

    .explore-item p {
        font-size: 14px;
        line-height: 20px;
    }

    header .left h1 {
        /* max-width: 120px; */
        font-size: 12px;
    }

    header .right .phone {
        display: none; /* 在极小屏幕隐藏电话号码 */
    }

    nav ul {
        width: 100%;
        justify-content: space-around;
    }

    nav ul li a {
        margin-right: 5px;
        font-size: 12px;
    }
    nav ul li a:hover {
        color: #a01212;
    }

    .category {
        flex: 0 0 calc(50% - 5px); /* 小屏幕下一行两个 */
    }
    .category-item {
        flex: 0 0 calc(100% - 10px); /* 中等屏幕下一行两个，保留间距 */
    }

    .category p {
        font-size: 14px;
    }

    /* Why Choose Us响应式优化 - 小屏幕 */
    .choose-us {
        margin: 30px 0;
    }

    .choose-us h2 {
        font-size: 18px;
        line-height: 22px;
    }

    .choose-us p {
        font-size: 14px;
        line-height: 20px;
        width: 90%;
    }

    /* Customization & Craftsmanship响应式优化 - 小屏幕 */
    .craftsmanship-container {
        gap: 8px;
    }

    .craftsmanship-item {
        flex: 0 0 calc(45% - 4px); /* 小屏幕下一行两个 */
    }

    .craftsmanship-container .arrow-right {
        width: 16px;
        height: 21px;
        flex: 0 0 16px;
    }

    /* Why Choose Us响应式优化 - 小屏幕 */
    .choose-us {
        margin: 30px 0;
    }

    .choose-us h2 {
        font-size: 18px;
        line-height: 22px;
    }

    .choose-us p {
        font-size: 14px;
        line-height: 20px;
        width: 90%;
    }

    .footer {
        padding: 40px 40px;
        display: flex;
        justify-content: center;
    }

    .footer-social {
        gap: 8px;
    }

    .footer-social a {
        width: 30px;
        height: 30px;
    }

    .footer-social a img {
        width: 30px;
        height: 30px;
    }
    .about-us-tag-item p {
        font-size: 14px;
        line-height: 20px;
        width: 90%;
    }

    /* About-us-tag响应式优化 - 小屏幕 */
    .about-us {
        padding: 30px 15px;
    }

    .about-us-tag-item {
        flex: 0 0 100%; /* 小屏幕下一行一个 */
        margin-bottom: 15px;
        padding: 20px 30px; /* 进一步减小内边距以适应全宽度 */
    }
}

/* 极小屏幕适配 */
@media (max-width: 320px) {
    .product-categories {
        gap: 15px;
        justify-content: center;
    }

    .category-item {
        flex: 0 0 100%; /* 极小屏幕下一行一个 */
        max-width: 280px; /* 限制最大宽度，使在极小屏幕上不会过宽 */
    }

    .category {
        height: 140px;
    }

    /* Gallery响应式优化 - 极小屏幕 */
    .gallery-item {
        flex: 0 0 100%; /* 极小屏幕下一行一个 */
        max-width: 300px;
    }

    .gallery-item p {
        font-size: 16px;
    }

    .gallery-item .gallery-btn {
        width: 140px;
        height: 38px;
        font-size: 14px;
    }

    /* Video-box响应式优化 - 极小屏幕 */
    .video-box {
        padding: 20px 40px;
        margin: 20px 0;
    }

    .video-box video {
        min-height: 180px;
    }

    /* Why Choose Us响应式优化 - 极小屏幕 */
    .choose-us {
        margin: 20px 0;
    }

    .choose-us h2 {
        font-size: 16px;
        line-height: 20px;
    }

    .choose-us p {
        font-size: 14px;
        line-height: 18px;
        width: 95%;
    }

    .choose-us .content-box {
        flex-direction: column;
    }

    .choose-us .content-box .left {
        position: relative;
        width: 100%;
        margin-bottom: 20px;
    }

    .choose-us .content-box .left .img-left {
        width: 100%;
        height: auto;
        margin-bottom: 15px;
    }

    .choose-us .content-box .left .img-right {
        position: static;
        width: 100%;
        max-width: 240px;
        height: auto;
        margin-top: 0;
    }

    .choose-us .content-box .right {
        width: 100%;
        font-size: 14px;
        line-height: 18px;
    }
    /* 悬浮框响应式优化 - 极小屏幕 */
    .float-box {
        bottom: 50px;
        right: 5px;
    }

    .float-item {
        width: 60px;
        height: 60px;
    }

    .float-item img {
        width: 18px;
        height: 15px;
    }

    .float-item:nth-child(2) img {
        width: 15px;
        height: 17px;
    }

    .float-item:nth-child(3) img {
        width: 12px;
        height: 18px;
    }

    .float-item p {
        font-size: 10px;
        line-height: 24px;
    }
}