:root {
    --primary-color: #00A4EF;
    --primary-dark: #008CD1;
    --text-dark: #323130;
    --text-gray: #605E5C;
    --text-light: #C7C7C7;
    --bg-light: #F3F9FF;
    --bg-off-white: #F8F8F8;
    --border-color: #E1DFDD;
    --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --container-width: 1200px;
    --transition-speed: 0.3s;
}

/* 1. 全局基础 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

.mobile-only {
    display: none;
}

.pc-only {
    display: flex; 
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed) ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. 导航栏 */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.logo-icons {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo-icons img {
    height: 28px;
}

.nav-menu {
    display: flex;
    gap: 50px;
}

.nav-menu a {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-dark);
    letter-spacing: 0.5px;
}

.nav-menu a:hover, 
.nav-menu a.active { 
    color: var(--primary-color); 
}

.contact-top {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    font-size: 16px;
    font-weight: 500;
}

/* 3. 首屏已内联 */
/* 4. 板块与标题 */
section {
    padding: 60px 20px;
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 1px;
    display: inline-block;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    display: none;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* 5. 关于我们 */
.about-section {
    background-color: #F3F2F1;
    position: relative;
    overflow: hidden;
    padding: 80px 20px;
}

.about-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 背景 */
.about-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* 标题 */
.about-container {
    position: relative;
    z-index: 2; 
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.about-container .section-title-wrapper {
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
}

/* 我们标题 */
.about-container .section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 1px;
    display: inline-block;
    position: relative;
    padding-bottom: 10px;
}

/* 短线 */
.about-container .section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: #00a4ef;
    margin: 10px auto 0;
    border-radius: 2px;
}

/* 容器图片和文字 */
.about-content-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    width: 100%;
}

.about-image {
    flex: 1;
    max-width: 500px;
    width: 100%;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.00);
    width: 100%;
    height: auto;
    display: block;
}

.about-text {
    flex: 1;
    max-width: 700px;
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 15px;
}

.about-list {
    margin-top: 20px;
    padding-left: 0;
}

.about-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 1.6;
    list-style: none;
}

.about-list li::before {
    content: '•';
    color: #00a4ef;
    font-weight: bold;
    font-size: 15px;
    position: absolute;
    left: 0;
    top: 0px;
}

/* 平板端 About 文字优化 */
@media (min-width:769px) and (max-width:1024px){
    .about-text {
        font-size:14px;
        line-height:1.4;
    }

    .about-list li {
        font-size:14px;
        line-height:1.4;
    }

}

/* 6. 产品展示 */
.product-section {
    padding-top: 40px; 
    padding-bottom: 0px !important;
    padding-left: 20px;
    padding-right: 20px;
}

.product-title-wrapper {
    text-align: center;
    margin-bottom: 60px;
}

.product-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 1px;
    display: inline-block;
    position: relative;
    padding-bottom: 10px;
}

.products-grid { 
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 80px; 
    max-width: 1200px;
    margin: 0 0 20px 0;
}

/* 标题底部线 */
.product-title::after {
    content: '';
    display: block; 
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

.product-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 45px 20px;
    background: #fff;
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
}

.product-card > h3 {
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.product-list {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    text-align: left;
    flex-grow: 1;
    padding-left: 10px;
}

.product-list strong {
    display: block;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 15px;
    margin-top: 15px;
    margin-bottom: 12px;
}

.product-list strong:first-child {
    margin-top: 0;
}

.product-list ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.product-list li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 8px;
    font-size: 14px;
}

.product-list li::before {
    content: '•';
    color: var(--text-light);
    font-size: 14px;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    line-height: 1.6;
}

.view-all-link {
    display: inline-block;
    text-align: center;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    margin-top: 0;
    margin-bottom: 0 !important;
}

.view-all-link:hover {
    color: #00a4ef;
    text-decoration: underline;
}

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

/* 平板端 */
@media (max-width:1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .product-card {
        margin: 0 -5px 0px -5px;
    }

}

/* 实物  */
#physical-products {
    background-color: #fff; 
    padding: 0px 10px;
}

.physical-title-wrapper {
    text-align: center;
    margin-bottom: 60px;
    width: 100%;
    margin-top: 0px;
}

.physical-section-title {
    font-size: 32px;
    font-weight: 700;
    color: #323130;
    letter-spacing: 1px;
    display: inline-block;
    position: relative;
    padding-bottom: 10px;
}

/* 蓝色短线 */
.physical-section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: #00A4EF;
    margin: 10px auto 0;
    border-radius: 2px;
}

/* 产品网格布局 */
.physical-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 70px;
    max-width: 1200px;
    margin: 0 auto 0px;
}

/* 单个卡片 */
.physical-product-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding-top: 35px;
    padding-bottom: 20px;
    padding-left: 20px;
    padding-right: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 鼠标悬停 */
.physical-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-color: #00A4EF;
}

/* 产品标题 */
.physical-product-title {
    font-size: 18px;
    font-weight: 700;
    color: #323130;
    margin-bottom: 7px;
    letter-spacing: 0.5px;
}

/* 产品描述 */
.physical-product-desc {
    font-size: 14px;
    color: #605E5C;
    line-height: 1.5;
    margin-bottom: 30px;
    min-height: 42px;
}

/* 产品容器 */
.physical-product-image {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 10px;
    min-height: 200px;
}

.physical-product-image img {
    max-width: 100%;
    max-height: 300px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    display: block;
}

/* 链接容器 */
.view-all-container {
    text-align: center;
    margin-top: 10px;
}

.view-all-link {
    display: inline-block;
    color: #00A4EF;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 50px 20px;
}

.view-all-link:hover {
    color: #0078D4;
    text-decoration: underline;
}

/* 8. CTA 区域 */
.cta-section-ycolor {
    background-color: #ffffff;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 80px;
    padding-inline: 20px;
}

.cta-section-ycolor h2 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.cta-section-ycolor p {
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.btn-primar-ycolor {
    background-color: var(--primary-color);
    color: #fff;
    padding: 8px 22px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    line-height: 1.6;
    transition: all var(--transition-speed) ease;
    display: inline-block;
}

.btn-primar-ycolor:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline-transparent {
    background-color: transparent;
    color: var(--primary-color);
    padding: 8px 22px;
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    line-height: 1.6;
    transition: all var(--transition-speed) ease;
    display: inline-block;
}

.btn-outline-transparent:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

/* 9. Footer (页脚) */
.site-footer {
    background-color: #333;
    color: #fff;
    padding: 60px 20px 30px;
    font-size: 16px;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
    margin-bottom: 15px;
    padding-bottom: 30px;
    border-bottom: 1px solid #555;
}

.footer-company h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 0px;
    color: #fff;
}

.footer-company p {
    color: #ccc;
    font-size: 15px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-links a {
    color: #ccc;
    font-weight: 500;
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact {
    display: flex;
    gap: 50px;
    color: #ccc;
    font-size: 16px;
}

.footer-bottom {
    text-align: center;
    font-size: 13px;
    color: #999;
}

.footer-bottom a {
    color: #999;
    margin: 0 5px;
}

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

@media (min-width: 769px) and (max-width: 1024px) {
  .footer-container .footer-top {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    white-space: nowrap;
    padding-top: 20px;
    padding-bottom: 65px;
  }

  /* 2. 板块之间的间距 */
  .footer-container .footer-company,
  .footer-container .footer-links,
  .footer-container .footer-contact {
    margin: 0 !important;
    padding: 0 !important;
    white-space: nowrap !important;
  }

  /* 导航链接 */
  .footer-container .footer-links a {
    font-size: 13px;
    margin: 0 0px !important;
    text-decoration: none;
  }

  /* 3. 标题 */
  .footer-container .footer-company h3 {
    font-size: 15px;
    margin: 0;
    font-weight: 500;
    letter-spacing: 1px;
  }
  
  .footer-container .footer-company p {
    font-size: 11px;
    margin: 2px 0 0 0;
  }

  /* 联系方式 */
  .footer-container .footer-contact span,
  .footer-container .footer-contact a {
    font-size: 13px !important;
    margin: 0 0px !important;
    text-decoration: none !important;
  }
}

/* 10. 响应式设计 */
@media (min-width: 993px) {
    .mobile-nav-title-mobile,
    .mobile-only,
    .hamburger-icon {
        display: none !important;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        gap: 20px;
    }

    /* 关于我们 */
    .about-content-row {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-image, 
    .about-text {
        max-width: 100%;
        text-align: center;
    }

    .about-list {
        display: inline-block;
        text-align: left;
    }

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

    /* 首页手机端 */
@media (max-width: 768px) {
    header {
        height: auto;
        position: relative;
        padding: 10px 0;
        background: #fff;
    }

    .nav-wrapper {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 15px;
        height: auto;
        position: relative;
    }

    /* 关于我们背景 */
    .about-bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
    }

    /* 2. 小标题 */
    .hero h1 {
        font-size: 28px !important;
        line-height: 1.2 !important;
        margin-bottom: 15px !important;
    }

    .hero p {
        font-size: 14px !important;
        margin-bottom: 20px !important;
    }
    
    /* 3. 按钮 */
    .hero-btn {
        display: inline-block;
        background-color: var(--primary-color);
        color: #fff;
        padding: 8px 15px;
        font-size: 12px;
        font-weight: 500;
        border-radius: 8px;
        transition: all var(--transition-speed) ease;
        box-shadow: 0 4px 6px rgba(0, 164, 239, 0.0);
    }

    .hero-content .hero-sub {
        font-size: 14px !important;
        line-height: 1.6 !important;
        margin-top: 0px !important;
        margin-bottom: 35px !important;
        color: #333333 !important;
        font-weight: 500 !important;
        text-align: center;
    }

/* --- 关于我们 --- */
    .about-section .about-image,
    .about-section .about-text{
        padding-left: 5px !important;
        padding-right: 5px !important;
        padding-bottom: 10px !important;

        box-sizing: border-box !important; 
        display: block !important;  
    }

    .about-section .section-title {
        padding-top: 20px !important;
        font-size: 26px !important;
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        padding-bottom: 10px !important;
    }

    .about-section .section-title-wrapper {
        margin-bottom: 0px !important;
    }

    /* 正文 */
    .about-section .about-text,
    .about-section .about-text p,
    .about-section .about-list li {
        margin-top: -10px !important;
        font-size: 13px !important;
        line-height: 1.5 !important;
        letter-spacing: 0.5px;
    }
    
    /* 列表项间距优化 */
    .about-section .about-list li {
        margin-bottom: 15px;
    }

/* 数字产品 */
#digital-products {
    padding: 60px 20px 10px !important;
}

#digital-products .container {
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
}

/* 2. 标题 */
#digital-products .product-title-wrapper {
    margin-bottom: 45px;
    padding: 0 20px;
}

#digital-products .product-title {
    font-size: 24px !important;
    line-height: 1.3;
    padding-bottom: 10px;
}

#digital-products .product-title::after {
    width: 40px !important;
    height: 3px;
    margin-top: 10px;
}

/* 3. 布局 (单列) */
#digital-products .products-grid {
    grid-template-columns: 1fr !important;
    gap: 25px;
    margin-bottom: 20px;
}

/* 卡片内间距 */
#digital-products .product-card {
    display: flex;
    flex-direction: column; 
    justify-content: flex-start;
    padding: 45px 50px 45px !important; 
    height: auto !important;
    text-align: center;
    box-sizing: border-box;
}

/* 标题与内容 */
#digital-products .product-card > h3 {
    margin: 0 0 15px 0 !important;
    font-size: 18px !important;
    font-weight: 700;
    line-height: 1.4;
}

#digital-products .product-list {
    text-align: left;
    margin: 0 auto;
    width: 100%;
    font-size: 13px;
    line-height: 1.6;
    padding: 0;
}

#digital-products .product-list li {
    margin-bottom: 8px;
    list-style-position: inside;
}

#digital-products .product-list strong {
    display: block;
    font-size: 14px;
    margin: 12px 0 6px;
}

/* 4. 底部按钮 */
#digital-products .text-center {
    margin: 30px 0 10px;
}

#digital-products .view-all-link {
    font-size: 14px;
    padding: 20px 25px;
    display: inline-block;
}

    /* 首页实物产品 */
    #physical-products .container {
        padding-left: 0 !important;
        padding-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    /*  2. 标题大小间距 */
    .section-title-wrapper {
        margin-bottom: 45px !important;
        margin-top: 0 !important;
        text-align: center;
        width: 100%;
    }

    .physical-section-title {
        font-size: 24px !important;
        margin-top: 30px ;
        padding-bottom: 8px !important;
        display: inline-block;
    }

    .physical-section-title::after {
        content: '';
        display: block;
        width: 40px !important;
        height: 3px !important;
        background-color: #00A4EF;
        margin: 8px auto 0 !important;
        border-radius: 2px;
    }

    /* 3. 网格布局 */
    .physical-products-grid {
        padding: 0px 10px !important;
        gap: 25px !important;
        grid-template-columns: 1fr !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
    }

    /* 4. 卡片内部间距 */
    .physical-product-card {
        padding-top: 25px !important;
        padding-bottom: 25px !important;
        padding-left: 5px !important;
        padding-right: 5px !important;
        text-align: center;
    }

    .physical-product-title {
        font-size: 16px !important;
        margin-bottom: 8px !important;
    }

    .physical-product-desc {
        font-size: 13px !important;
        margin-bottom: 25px !important;
        min-height: auto !important;
    }

    .physical-product-image {
        min-height: 270px !important;
        margin-top: 0px !important;
    }
    
    .physical-product-image img {
        max-height: 300px !important;
    }

    /* 5. 底部按钮 */
    .view-all-container {
        margin-top: 30px !important;
        margin-bottom: 0px !important;
        text-align: center;
        width: 100%;
    }

    .view-all-link {
        display: inline-block;
        padding: 12px 20px !important;
        font-size: 14px !important;
        color: #00A4EF;
        text-decoration: none;
        font-weight: 600;
    }
 /*手机实物结束 */

    /* 隐藏 PC 元素 */
    .pc-only {
        display: none !important;
    }

    .mobile-nav-title-mobile {
        display: flex !important;
        justify-content: center;
        align-items: center;
    
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    
        font-size: 14px !important;
        font-weight: 600 !important;
        color: #333 !important;
        letter-spacing: 1px !important;
        white-space: nowrap;
        z-index: 10;
        gap: 15px !important;                
    }

    .mobile-nav-title-mobile span {
        display: inline-block;
    }

    /* 2. 手机导航高度 */
    .navbar {
        padding: 10px 5% !important; 
        height: auto;
        }

    .nav-wrapper {
        position: relative !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        height: 45px; 
        padding: 0 15px !important;
    }

    /* 右侧控制区 */
    .nav-right.mobile-only {
        display: flex !important;
        align-items: center !important;
        gap: 15px; 
        position: relative;
        z-index: 20; 
    }

    /* 下拉菜单 */
    .mobile-nav-dropdown {
        display: none;
        flex-direction: column;
        background: #fff;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 999;
        padding: 10px 0;
        text-align: center;
    }

    #mobile-menu-toggle:checked ~ .mobile-nav-dropdown {
        display: flex !important;
    }

    .nav-right.mobile-only {
        display: flex;
        align-items: center;
        gap: 5px;
        order: 2;
        z-index: 1002;
    }

    /* 手机邮箱图标 */
    .mobile-contact-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px;
        text-decoration: none;
        line-height: 0;
    }

    .mobile-contact-icon img {
        height: 15px !important;
        width: auto !important;
        display: block;
    }

    .mobile-contact-icon span {
        display: none;
        font-size: 18px;
        color: #333;
    }

    /* 图片加载失败显示 Emoji */
    .mobile-contact-icon img[style*="display: none"] + span {
        display: inline-block !important;
    }

    /* 菜单按钮 --- */
    .mobile-menu-btn {
        background: none;
        border: none;
        cursor: pointer;
        padding: 5px;
        display: flex;
        flex-direction: column;
        gap: 4px;
        z-index: 1002;
    }

    .mobile-menu-btn span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: #333;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* 移动菜单 */
    .mobile-nav-dropdown {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 20px 0;
        text-align: center;
        border-top: 1px solid #f0f0f0;
        z-index: 1001;
        box-sizing: border-box;
    }

    /* 菜单展开显示 */
    #mobile-menu-toggle:checked ~ .mobile-nav-dropdown {
        display: flex !important;
    }

    /* 默认隐藏菜单 */
    .mobile-nav-dropdown {
        display: none;
        flex-direction: column;
        background: #fff;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 999;
        padding: 10px 0;
    }

    /* 选中时，显示菜单 */
    #mobile-menu-toggle:checked ~ .mobile-nav-dropdown {
        display: flex;
    }

    .mobile-nav-dropdown {
        animation: slideDown 0.3s ease-out;
    }

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

    .mobile-nav-dropdown[style="display: block;"] {
        display: flex !important;
        animation: slideDown 0.3s ease-out;
    }

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

    /* 菜单链接样式 */
    .mobile-nav-dropdown a {
        font-size: 12px;
        font-weight: 500;
        color: #333;
        text-decoration: none;
        padding: 12px 0;
        border-bottom: 0px solid #f9f9f9;
        display: block;
        transition: background 0.2s;
    }

    .mobile-nav-dropdown a:hover {
        background-color: #f5f5f5;
        color: #0078d4;
    }

    .mobile-nav-dropdown a:last-child {
        border-bottom: none;
    }
        
/* 手机端按钮 */
:root {
  --font-family-base: -apple-system;
  --font-size-heading: 26px;
  --font-size-body: 16px;
  --font-size-btn: 12px;
  
  --font-weight-btn: 500;
  --line-height-body: 1.5;

  --color-primary: #00a4ef;
  --color-primary-text: #FFFFFF;
  
  --color-outline-border: #00a4ef;
  --color-outline-text: #00a4ef;
  --color-outline-bg-hover: #008CD1;
  --color-outline-text-hover: #008CD1;
  
  --color-text-main: #323130;
  --color-text-sub: #4B5563;
  --color-bg-section: #FFFFFF;

  /* 板块整体内边距 */
  --section-padding-y: 60px;
  --section-padding-x: 60px;
  
  /* 垂直间距 */
  --gap-title-to-desc: 15px;
  --gap-desc-to-btns: 40px;
  --gap-between-btns: 20px;

  /* 按钮内部内边 */
  --btn-padding-y: 9px;
  --btn-padding-x: 20px;

  /* 4. 按钮 */
  --btn-width-mobile: 100%;
  --btn-max-width: 140px;
  --btn-border-radius: 8px;
  --btn-border-width: 1px;
}

/* 移动端CTA 区 */
@media (max-width: 768px) {
  .cta-section-ycolor {
    background-color: var(--color-bg-section);
    padding: var(--section-padding-y) var(--section-padding-x);
    text-align: center;
    font-family: var(--font-family-base);
    box-sizing: border-box;
    letter-spacing: 0.5px;
  }

  /* 标题样式 */
  .cta-section-ycolor h2 {
    margin: 0;
    font-size: var(--font-size-heading);
    color: var(--color-text-main);
    line-height: 1.2;
  }

  /* 段落样式 */
  .cta-section-ycolor p {
    margin: var(--gap-title-to-desc) 0 0;
    font-size: 15px;
    color: var(--color-text-sub);
    line-height: var(--line-height-body);
    max-width: 100%; 
  }

  /* 按钮组容器 */
  .cta-buttons {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--gap-between-btns);
    margin-top: var(--gap-desc-to-btns);
    width: 100%;
  }

  /* 按钮通用样式 */
  .cta-buttons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    
    font-size: var(--font-size-btn);
    font-weight: var(--font-weight-btn);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;

    /* 应用间距变量 */
    padding: var(--btn-padding-y) var(--btn-padding-x);
    border-radius: var(--btn-border-radius);
    
    /* 尺寸控制 */
    width: var(--btn-width-mobile);
    max-width: var(--btn-max-width);
    min-height: 24px;
  }

  /* 主按钮 */
  .btn-primar-ycolor {
    background-color: var(--color-primary);
    color: var(--color-primary-text);
    border: var(--btn-border-width) solid var(--color-primary);
    box-shadow: 0 4px 6px -1px;
  }

  .btn-primar-ycolor:active {
    transform: scale(0.98);
    opacity: 0.9;
  }

  /* 副按钮 */
  .btn-outline-transparent {
    background-color: transparent;
    color: var(--color-outline-text);
    border: var(--btn-border-width) solid var(--color-outline-border);
  }

  .btn-outline-transparent:hover,
  .btn-outline-transparent:active {
    background-color: var(--color-outline-bg-hover);
    color: var(--color-outline-text-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }
  
  .btn-outline-transparent:active {
    transform: translateY(0) scale(0.98);
  }
}

    /* 手机页脚样式 */   
    footer, .site-footer, footer .container {
        padding-left: 20px !important;
        padding-right: 20px !important;
        text-align: left !important;
    }

    /* 公司名称 */
    footer h3, 
    footer .company-name, 
    footer strong,
    footer div[style*="font-size: 18"] {
        font-size: 18px !important;
        font-weight: 700 !important;
        color: #ffffff !important;
        margin-bottom: 5px !important;
        margin-top: 0 !important;
        line-height: 1.4 !important;
    }

    /* 2. 地址信息 */
    footer h3 + *, 
    footer .company-name + *,
    footer p:first-of-type { 
        font-size: 13px !important;
        color: #cccccc !important;
        display: block !important;
        margin-top: 0 !important;
        margin-bottom: 0px !important;
        line-height: 1.5 !important;
    }

    /* HOME, ABOUT US */
    footer ul, 
    footer nav ul {
        list-style: none !important;
        padding: 0 !important;
        margin: 0 0 20px 0 !important;
    }

    footer ul li, 
    footer nav li {
        margin-bottom: 15px !important;
        display: block !important;
    }

    footer ul li a, 
    footer nav a {
        font-size: 14px !important;
        color: #dddddd !important;
        text-decoration: none !important;
        display: inline-block !important;
        padding: 0 !important;
        line-height: 1.4 !important;
    }

    /* WhatsApp, Email */
    footer ul + *, 
    footer nav + *,
    footer .contact-info,
    footer p:nth-of-type(2), 
    footer p:nth-of-type(3) {
        font-size: 14px !important;
        color: #dddddd !important;
        line-height: 1 !important;
        margin-top: 0 !important;
        margin-bottom: 10px !important;
        display: block;
    }
    
    /* WhatsApp 和 Email */
    footer ul + p, 
    footer nav + p,
    footer ul + div,
    footer nav + div {
        margin-top: 0px !important;
    }

    /* 底部横线与版权 */
    footer *, .site-footer * {
        border-top: none !important;
        border-bottom: none !important;
    }

    footer .footer-bottom, 
    footer div[style*="border-top"],
    footer hr,
    .site-footer .copyright {
        margin-top: 0px !important;
        padding-top: 8px !important;
        border-top: 1px solid #444444 !important;
        font-size: 12px !important;
        color: #999999 !important;
        text-align: center !important;
        display: block !important;
        width: 100% !important;
    }

    footer .footer-bottom p,
    .site-footer .copyright p {
        margin: 0 !important;
        text-align: center !important;
    }

    /* 4. Logo 调整 */
    .logo-icons {
        order: 1;
        display: flex;
        gap: 15px;
        align-items: center;
    }

    .logo-icons img {
        height: 18px;
        width: auto;
    }

    /* 5. 其他原有移动样式 */
    .hero-content h1 {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 26px;
    }

    .about-content-row {
        flex-direction: column !important;
        gap: 30px !important;
    }

    .about-image {
        max-width: 100% !important;
        width: 100% !important;
    }

    .about-text {
        width: 100% !important;
        max-width: 100% !important;
        text-align: left !important;
    }
    
    .about-section {
        padding: 40px 15px !important;
    }
    
    .products-grid,
    .physical-products-grid { 
        grid-template-columns: 1fr;
        gap: 30px; 
    }

    .physical-product-card {
        padding: 20px 20px;
    }

    .physical-product-image img {
        max-height: 300px;
    }
    
    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .footer-links,
    .footer-contact {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-outline {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

/* 二. 产品页 */
/* 首屏已内联 */
/* 数字产品 */
.digital-products {
    background-color: #f5f5f5;
    position: relative;
    padding: 40px 0 40px 0;
}

.digital-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.digital-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* 内容容器  */
.digital-products .container {
    position: relative;
    z-index: 3;
    flex-direction: column;
    align-items: flex-start;
    max-width: 1200px; 
    width: 100%;
    box-sizing: border-box;
}

/* 标题 */
.digital-products .section-title {
    text-align: left;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    letter-spacing: 0px;
    margin-bottom: -10px;
    line-height: 1.1; 
}

.digital-products .seo-intro {
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    line-height: 1.4; 
    margin-bottom: 35px;
    width: 80%;
}

/* 蓝线 */
.digital-products .section-subtitle-line {
    width: 40px;
    height: 3px;
    background-color: #00aaff;
    margin: 10px 0 20px 0;
    display: block;
    position: relative;
    z-index: 2;
}

/* 两列布局 */
.digital-products .product-columns {
    display: flex;
    justify-content: flex-start;
    gap: 150px;
    flex: 1;
    align-items: flex-start;
}

.digital-products .col-half {
    flex: 1;
    max-width: 390px;
}

.digital-products .col-title {
    font-weight: 600;
    font-size: 15px;
    color: #333;
    position: relative;
    display: inline-block;
    margin-bottom: 8px;
    padding-bottom: 0px;
}

.digital-products .product-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.digital-products .product-list li {
    font-size: 14px;
    color: #666;
    padding-left: 13px;
    position: relative;
    line-height: 1.2;
    font-weight: 400;
    display: block; 
}

/* 圆点 */
.digital-products .product-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 2px;
    color: #999;
    font-size: 12px;
    line-height: 1.4;
}

/* 底部说明 */
.digital-products .delivery-note {
    text-align: left;
    padding-top: 10px;
}

.digital-products .delivery-note strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.digital-products .delivery-note p {
    font-size: 13px;
    color: #777;
    line-height: 1.4;
}

/* 手机端产品页 */
@media (max-width: 768px) {
    .digital-products {
        height: auto;
        min-height: auto;
        padding-bottom: 60px;
    }

/* 手机数字产品 */
    .digital-products {
        padding: 30px 0 40px 0;
    }

    .digital-products .product-columns {
        margin: 0 auto;  /* 水平居中 */
        padding: 0px 5px 0px 5px;
        flex-direction: column;
        gap: 0px;
    }
    
/* 标题 */
    .digital-products .section-title {
        text-align: left;
        font-size: 25px;
        font-weight: 700;
        color: #333;
        margin-bottom: -5px;
    }

    .digital-products .seo-intro {
        text-align: left;
        font-size: 14px;
        margin-bottom: 30px;
        width: 100%;
    }

    .digital-products .product-list li {
        font-size: 13px;
        color: #666;
        padding-left: 13px;
        position: relative;
        line-height: 1.2;
        font-weight: 400;
        display: block; 
    }

    .digital-products .col-half {
        max-width: 100%;
    }

    .digital-products .delivery-note {
        transform: translateY(0);
        margin-bottom: 0;
        padding-top: 20px;
    }
}

/* 实物产品 */
.physical-products {
    position: relative;
    padding: 40px 0;
    background: #fff;
    overflow: visible;
}

.physical-products .container {
    position: relative;
    z-index: 1; 
}

.physical-products .container .section-title,
.physical-products .section-title {
    text-align: left;
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: -10px;
    display: block; 
    width: 100%;
    position: relative;
    z-index: 2;
}

.physical-products .seo-intro {
    text-align: left;
    font-size: 13px;
    width: 50%;
}

/* 蓝线 */
.physical-products .section-subtitle-line {
    width: 40px;
    height: 3px;
    background-color: #00aaff;
    margin: 15px 0 20px 0;
    display: block;
    position: relative;
    z-index: 2;
}

.product-category-block {
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

/* 小标题靠左 */
.physical-products .category-label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 25px;
    color: #333;
    display: block;
    letter-spacing: 0.2px;
    text-align: left; 
}

.physical-products .card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 20px;
    align-items: center;
}

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

.physical-delivery-note {
    margin-bottom: 30px;
    text-align: center;
    color: #666666;
    font-size: 14px;
    line-height: 1.5;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.physical-delivery-note strong {
    display: block !important;
    color: #333333 !important;
    font-weight: 600 !important;
    font-size: 18px !important;
    margin-bottom: 8px !important;
    letter-spacing: 0.3px;
    background: none !important;
}

/* 卡片摆正 */
.physical-products .product-card {
    background: #fff;
    padding: 0px;
    transform: none !important; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.0);
    border: 0px solid #f0f0f0;
    position: relative;
    z-index: 1;
}

.physical-products .product-card:hover {
    transform: scale(1.05) !important; 
    z-index: 10;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.physical-products .product-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 10px;
}

@media (max-width: 992px) {
    .physical-products .card-grid {
        grid-template-columns: repeat(2, 1fr); 
    }
    .physical-products .usb-grid {
        grid-template-columns: 1fr; 
    }
}

@media (max-width: 768px) {
    .physical-products {
        margin: 10px 10px -60px 10px;
    }

    .physical-products .container .section-title,
    .physical-products .section-title {
        font-size: 18px;
        margin-bottom: 0px;
    }

    .physical-products .seo-intro {
        text-align: left;
        font-size: 13px;
        width: 100%;
    }

    /* 3. 蓝线间距 */
    .physical-products .section-subtitle-line {
        margin-bottom: 30px;
    }

    .physical-products .card-grid {
        grid-template-columns: 1fr; 
        column-gap: 15px; 
        row-gap: 25px;
        align-items: start; 
    }

    /* 5.  USB 区域 */
    .physical-products .usb-grid {
        grid-template-columns: 1fr;
    }

    /* 6. 小标题左间距 */
    .physical-products .category-label {
        font-size: 13px;
        margin-bottom: 20px;
        text-align: left;
        padding-left: 3px;
    }

    .physical-delivery-note strong {
        font-size: 15px !important;
        margin-bottom: 6px !important;
        text-align: center;
    }

    .physical-products .product-card:hover {
        transform: scale(1.02) !important; 
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    /* 圆角 */
    .physical-products .product-card img {
        border-radius: 12px; 
    }
}

/* 报价表单 */
.quotation-page {
    font-family: -apple-system;
    background-color: #f9fafb;
    color: #374151;
    padding: 150px 20px;
    min-height: calc(100vh - 160px);
}

.quotation-page .container {
    max-width: 800px;
    margin: 0 auto;
}

.quotation-page .page-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 150px;
}

.quotation-page .quote-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.quotation-page .form-group {
    display: flex;
    flex-direction: column;
}

.quotation-page .form-group label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1f2937;
}

.quotation-page .form-group .required {
    color: #ef4444;
    margin-left: 2px;
}

/* input 和 select */
.quotation-page .form-group input,
.quotation-page .form-group select {
    width: 100%;
    box-sizing: border-box;

    height: 48px;
    padding: 12px 16px;

    border: 1px solid #d1d5db;
    border-radius: 4px;

    font-size: 16px;
    color: #374151;
    background-color: #fff;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* textarea 保持原来的多行高度 */
.quotation-page .form-group textarea {
    width: 100%;
    box-sizing: border-box;

    padding: 12px 16px;

    border: 1px solid #d1d5db;
    border-radius: 4px;

    font-size: 16px;
    color: #374151;
    background-color: #fff;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    resize: vertical;

    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* 占位符字体 */
.quotation-page .form-group input::placeholder,
.quotation-page .form-group textarea::placeholder {
    color: #9ca3af;
    font-size: 14px; 
}

.quotation-page .form-group input:focus,
.quotation-page .form-group textarea:focus,
.quotation-page .form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.quotation-page .form-group input::placeholder,
.quotation-page .form-group textarea::placeholder {
    color: #9ca3af;
}

/* 下拉菜单样式 - 使用浏览器默认箭头 */
.quotation-page .form-group select {
    cursor: pointer;
}

/* 下拉框默认状态（未选时提示文字） */
.quotation-page .form-group select {
    cursor: pointer;
    color: #9ca3af;
    font-size: 14px;
}

/* 下拉列所有样式 */
.quotation-page .form-group select option {
    font-size: 14px;
    color: #374151;
    padding: 10px;   
}

/* 第一个选项样式  */
.quotation-page .form-group select option:first-child {
    color: #9ca3af;
}

/* 选择后，覆盖色 */
.quotation-page .form-group select:valid {
    color: #374151;  
}

.quotation-page .form-group select:hover {
    border-color: #9ca3af;
}

.quotation-page .privacy-statement {
    font-size: 12px;
    color: #6b7280;
    text-align: center;
    margin-top: -15px;
    line-height: 1.5;
}

.quotation-page .submit-btn {
    align-self: center;
    background-color: #0ea5e9;
    color: white;
    border: none;
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 40px;
}

.quotation-page .submit-btn:hover {
    background-color: #0284c7; 
}

.quotation-page .response-time {
    font-size: 13px;
    color: #0ea5e9;
    text-align: center;
    margin-top: -15px;
}

/* 移动端 */
@media (max-width: 768px) {
    .quotation-page .page-title {
        margin-bottom: 70px;
        font-size: 24px;
    }

    .quotation-page {
        padding: 80px 15px;
    }
}

/* 邮件表单 */
.contact-page {
    background-color: #f9fafb;
    min-height: 80vh;
    padding: 150px 20px;
    font-family: -apple-system;
}

.contact-page .container {
    max-width: 720px;
    margin: 0 auto;
}

/* 标题 */
.contact-page .page-header {
    text-align: center;
    margin-bottom: 130px;
}

.contact-page .page-title {
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    margin: 0 0 0px 0;
    letter-spacing: 0.3px;
}

.contact-page .page-subtitle {
    font-size: 14px;
    color: #666666;
    margin: 0;
    letter-spacing: 0.5px;
}

/*  表单区域 */
.contact-page .contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-page .form-group {
    display: flex;
    flex-direction: column;
}

.contact-page .form-group label {
    font-size: 15px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.contact-page .form-group .required {
    color: #e74c3c;
    margin-right: 4px;
}

.contact-page .form-group input,
.contact-page .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 15px;
    color: #374151;
    background-color: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.contact-page .form-group input::placeholder,
.contact-page .form-group textarea::placeholder {
    color: #9ca3af;
    font-size: 14px;
}

.contact-page .form-group input:focus,
.contact-page .form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* --- 提交按钮 --- */
.contact-page .submit-btn {
    align-self: center;
    background-color: #0ea5e9;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 50px;
}

.contact-page .submit-btn:hover {
    background-color: #0284c7;
}

/* 隐私声明 */
.contact-page .privacy-statement {
    text-align: center;
    font-size: 12px;
    color: #0ea5e9;
    margin-top: -15px;
    line-height: 1.5;
}

/*  移动端 */
@media (max-width: 768px) {
    .contact-page {
        padding: 60px 15px;
    }

    .contact-page .page-title {
        font-size: 26px;
    }

    .contact-page .page-header {
        margin-bottom: 55px;
    }
    
    .contact-page .form-group input,
    .contact-page .form-group textarea {
        font-size: 16px;
    }
}

/* Privacy Policy Page Styles */

.privacy-page {
    background-color: #f9fafb;
    padding: 170px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #4b5563;
}

.privacy-page .container {
    max-width: 800px;
    margin: 0 auto;
}

/* 标题区 */
.privacy-page .page-title {
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    text-align: center;
    margin-bottom: 90px;
    letter-spacing: 0.3px;
}

.privacy-page .last-updated {
    font-size: 14px;
    color: #6b7280;
    text-align: left;
    margin-bottom: -20px;
    border-bottom: 0px solid #e5e7eb;
    padding-bottom: 0px;
}

/* 政策内容 */
.privacy-page .policy-content {
    line-height: 1.5;
}

.privacy-page .policy-section {
    margin-bottom: -90px;
}

.privacy-page .policy-section h3 {
    font-size: 16px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 5px;
    letter-spacing: 0.3px;
}

.privacy-page .policy-section p {
    font-size: 15px;
    margin-bottom: 10px;
    color: #4b5563;
}

.privacy-page .policy-section ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-top: 8px;
    margin-bottom: 10px;
}

.privacy-page .policy-section li {
    font-size: 15px;
    margin-bottom: 6px;
    color: #4b5563;
    line-height: 1.6;
}

/* 移动端 */
@media (max-width: 768px) {
    .privacy-page {
        padding: 90px 15px;
    }

    .privacy-page .page-title {
        font-size: 26px;
        margin-bottom: 60px;
    }

    .privacy-page .last-updated {
        font-size: 13px;
        margin-bottom: -50px;
    }

    .privacy-page .policy-section h3 {
        font-size: 15px;
    }

    .privacy-page .policy-section p,
    .privacy-page .policy-section li {
        font-size: 14px;
    }
}

/* 服务条款 */
.terms-page {
    background-color: #f9fafb; 
    min-height: 80vh;
    padding: 150px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #4b5563;
}

.terms-page .container {
    max-width: 800px;
    margin: 0 auto;
}

/* 标题 */
.terms-page .page-title {
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    text-align: center;
    margin-bottom: 90px;
    letter-spacing: 0.3px;
}

.terms-page .last-updated {
    font-size: 14px;
    color: #6b7280;
    text-align: left;
    margin-bottom: -20px;
    border-bottom: 0px solid #e5e7eb;
    padding-bottom: 0px;
}

/* 条款内容 */
.terms-page .terms-content {
    line-height: 1.5;
}

.terms-page .terms-section {
    margin-bottom: -90px;
}

.terms-page .terms-section h3 {
    font-size: 16px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 5px;
    letter-spacing: 0.3px;
}

.terms-page .terms-section p {
    font-size: 15px;
    margin-bottom: 10px;
    color: #4b5563;
}

.terms-page .terms-section ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-top: 8px;
    margin-bottom: 10px;
}

.terms-page .terms-section li {
    font-size: 15px;
    margin-bottom: 6px;
    color: #4b5563;
    line-height: 1.6;
}

/* 移动端 */
@media (max-width: 768px) {
    .terms-page {
        padding: 90px 15px;
    }

    .terms-page .page-title {
        font-size: 26px;
        margin-bottom: 60px;
    }

    .terms-page .last-updated {
        font-size: 13px;
        margin-bottom: -50px;
    }

    .terms-page .terms-section h3 {
        font-size: 15px;
    }

    .terms-page .terms-section p,
    .terms-page .terms-section li {
        font-size: 14px;
    }
}

/* 免责声明 */
.tkls-disclaimer-wrapper {
    all: initial; 
    display: block;
    box-sizing: border-box;
    font-size: 16px;
    line-height: 1.6;
    color: #4b5563;
    background-color: #f9fafb;
    padding: 130px 20px; 
    width: 100%; 
    margin: 0 auto;
}

.tkls-disclaimer-wrapper *,
.tkls-disclaimer-wrapper *::before,
.tkls-disclaimer-wrapper *::after {
    box-sizing: border-box;
}

.tkls-disclaimer-content {
    width: 90%;
    max-width: 800px;
    margin: 0 auto; 
    text-align: center;
}

.tkls-disclaimer-wrapper .tkls-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: #333333;
    margin-bottom: 100px; 
    margin-top: 0;
    letter-spacing: 0.5px;
}

/* 4. 日期 */
.tkls-disclaimer-wrapper .tkls-date {
    font-size: 14px;
    color: #4b5563;
    text-align: left;
    margin-bottom: 50px;
    margin-top: 0;
}

/* 5. 章节 */
.tkls-disclaimer-wrapper .tkls-section {
    margin-bottom: 50px;
    margin-top: 0;
    padding: 0 !important;
    overflow: hidden; 
}

.tkls-disclaimer-wrapper .tkls-heading {
    font-size: 16px;
    font-weight: 600;
    color: #4b5563;
    margin-bottom: 12px;
    margin-top: 0;
    line-height: 1.4;
    text-align: left;
}

/* 段落 */
.tkls-disclaimer-wrapper .tkls-text {
    font-size: 15px;
    color: #4b5563;
    margin-bottom: 0px;
    margin-top: 0;
    text-align: left;
    line-height: 1.5;
}

/* 7. 列表 */
.tkls-disclaimer-wrapper .tkls-list {
    margin-top: 6px;
    margin-bottom: 8px;
    padding-left: 18px;
    list-style-type: disc;
    text-align: left;
}

.tkls-disclaimer-wrapper .tkls-list li {
    margin-bottom: 0px;
    font-size: 15px;
    color: #4b5563;
    padding-left: 5px;
}

/* 8. 文字 */
.tkls-disclaimer-wrapper strong {
    font-weight: 500;
    color: #4b5563;
}

/* 9. 响应式 */
@media (max-width: 768px) {
    .tkls-disclaimer-wrapper {
        padding: 80px 30px;
    }
    .tkls-disclaimer-wrapper .tkls-title {
        font-size: 26px;
        margin-bottom: 60px;
    }
/* 4. 日期 */
.tkls-disclaimer-wrapper .tkls-date {
    font-size: 13px;
    margin-bottom: 10px;
    margin-top: 0;
}
    .tkls-disclaimer-wrapper .tkls-heading {
        font-size: 15px;
    }
    .tkls-disclaimer-wrapper .tkls-text,
    .tkls-disclaimer-wrapper .tkls-list li {
        font-size: 14px;
    }
}