/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "pingfang SC", "helvetica neue", arial, "hiragino sans gb", "microsoft yahei ui", "microsoft yahei", simsun, sans-serif !important;
    background: #fff;
    color: #333;
    line-height: 1.5;
}
a {
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}
a:hover {
    text-decoration: none;
}
ul, ol, li {
    list-style: none;
    padding: 0;
    margin: 0;
}
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    border: 0;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

/* ===== 容器 ===== */
.sd-wan-container {
    max-width: 1350px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}
@media (max-width: 576px) {
    .sd-wan-container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* ===== 通用标题 ===== */
.sd-wan-tit {
    font-size: 30px;
    color: #000;
    font-weight: bold;
    text-align: center;
    margin: 0;
}
.sd-wan-tit1 {
    font-size: 30px;
    color: #fff;
    font-weight: bold;
    text-align: center;
    margin: 0;
}
.sd-wan-stit {
    font-size: 14px;
    color: #fff;
    text-align: center;
    margin-top: 10px;
}

/* ===== 通用内边距 ===== */
.sd-wan-section {
    padding: 80px 0;
}
@media (max-width: 768px) {
    .sd-wan-section {
        padding: 50px 0;
    }
}

/* ===== Banner ===== */
.sd-wan-banner {
    width: 100%;
    min-height: 400px;
    background: url("/css/2021/images/sd-wan-banner.jpg") no-repeat top center;
    background-size: cover;
    margin-top: 60px;
}
.sd-wan-banTxt {
    padding-top: 118px;
    padding-bottom: 30px;
    text-align: left;
}
.sd-wan-banTxt h1 {
    font-size: 36px;
    color: #fff;
    font-weight: bold;
    margin: 0;
    text-align: left;
}
.sd-wan-banTxt p {
    font-size: 14px;
    color: #fff;
    margin: 27px 0;
    text-align: left;
}
.sd-wan-banTxt p a {
    font-size: 14px;
    color: #fff;
}
.sd-wan-banTxt p a:hover {
    color: #08ebff;
}
.sd-wan-banBtn {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.sd-wan-banBtn a {
    display: inline-block;
    padding: 0 22px;
    height: 36px;
    font-size: 14px;
    color: #fff;
    text-align: center;
    line-height: 36px;
    border: 1px solid #fff;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.sd-wan-banBtn a:hover {
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border: none;
}
.sd-wan-banBtn a.sd-wan-btn-active {
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border: none;
}

@media (max-width: 768px) {
    .sd-wan-banner {
        min-height: 340px;
        background-position: center;
    }
    .sd-wan-banTxt {
        padding-top: 70px;
    }
    .sd-wan-banTxt h1 {
        font-size: 28px;
    }
    .sd-wan-banTxt p {
        font-size: 13px;
        margin: 18px 0;
    }
    .sd-wan-banBtn a {
        padding: 0 16px;
        height: 32px;
        line-height: 32px;
        font-size: 13px;
    }
}
@media (max-width: 576px) {
    .sd-wan-banner {
        min-height: 280px;
    }
    .sd-wan-banTxt {
        padding-top: 50px;
    }
    .sd-wan-banTxt h1 {
        font-size: 22px;
    }
    .sd-wan-banTxt p {
        font-size: 12px;
        margin: 14px 0;
    }
    .sd-wan-banBtn a {
        padding: 0 12px;
        height: 28px;
        line-height: 28px;
        font-size: 12px;
    }
}

/* ===== con1 ===== */
.sd-wan-con1 .sd-wan-tit {
    margin-bottom: 20px;
}
.sd-wan-con1-txt {
    font-size: 14px;
    color: #333;
    text-align: justify;
    line-height: 26px;
    margin-top: 30px;
}
.sd-wan-con1-txt a {
    color: #0286fb;
}
.sd-wan-con1-txt a:hover {
    color: #0056b3;
}

@media (max-width: 576px) {
    .sd-wan-con1-txt {
        font-size: 13px;
        line-height: 24px;
        margin-top: 20px;
    }
}

/* ===== con2 ===== */
.sd-wan-con2 {
    background: #070e2a;
    padding: 80px 0;
}
.sd-wan-con2 .sd-wan-tit1 {
    margin-bottom: 30px;
}
.sd-wan-con2-con {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 30px;
}
.sd-wan-con2-left {
    flex: 1;
    min-width: 300px;
}
.sd-wan-con2-left .sd-wan-jg-tit {
    font-size: 18px;
    color: #08ebff;
    margin-bottom: 20px;
}
.sd-wan-con2-left img {
    max-width: 100%;
    margin-top: 10px;
}
.sd-wan-con2-right {
    flex: 0 0 380px;
    max-width: 100%;
}
.sw-con2-right-txt {
    margin-bottom: 20px;
}
.sw-con2-right-txt h3 {
    color: #00f2fe;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 12px;
}
.sw-con2-right-txt p {
    color: #fff;
    font-size: 14px;
    line-height: 26px;
    margin: 16px 0;
}
.sw-con2-right-txt p span {
    display: inline-block;
    width: 75px;
    color: #fff;
    font-size: 14px;
}
.sw-con2-right-txt p a {
    display: inline-block;
    font-size: 14px;
    color: #fff;
    text-align: center;
    line-height: 26px;
    padding: 0 16px;
    border: 1px solid #fff;
    border-radius: 4px;
    margin-right: 12px;
    transition: all 0.3s ease;
}
.sw-con2-right-txt p a:hover {
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border: none;
}
.sw-con2-right-btn {
    display: inline-block;
    padding: 0 40px;
    height: 45px;
    font-size: 14px;
    text-align: center;
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    line-height: 45px;
    color: #fff;
    border-radius: 4px;
    margin-top: 20px;
    transition: all 0.3s ease;
}
.sw-con2-right-btn:hover {
    opacity: 0.85;
}

@media (max-width: 992px) {
    .sd-wan-con2-right {
        flex: 0 0 100%;
    }
    .sd-wan-con2-left {
        flex: 0 0 100%;
    }
}
@media (max-width: 768px) {
    .sd-wan-con2 {
        padding: 50px 0;
    }
    .sw-con2-right-txt p {
        font-size: 13px;
        line-height: 24px;
    }
    .sw-con2-right-txt p span {
        width: 60px;
        font-size: 13px;
    }
    .sw-con2-right-txt p a {
        font-size: 13px;
        padding: 0 12px;
        line-height: 24px;
    }
    .sw-con2-right-btn {
        padding: 0 25px;
        height: 40px;
        line-height: 40px;
        font-size: 13px;
    }
}

/* ===== con3 ===== */
.sd-wan-con3 {
    padding: 80px 0;
}
.sd-wan-con3 .sd-wan-tit {
    margin-bottom: 30px;
}
.sd-wan-con3-con {
    overflow-x: auto;
    margin-top: 20px;
}
.sd-wan-con3-con table {
    border: 1px solid #eee;
    min-width: 600px;
    border-radius: 8px;
}
.sd-wan-con3-con td {
    height: 60px;
    border-right: 1px solid #eee;
    border-bottom: 1px solid #eee;
    padding: 10px 20px;
    font-size: 14px;
    color: #333;
    vertical-align: middle;
}
.sd-wan-con3-con td:last-child {
    border-right: none;
}
.sd-wan-con3-con tr:last-child td {
    border-bottom: none;
}
.sd-wan-con3-con td img {
    margin-right: 15px;
    vertical-align: middle;
}
.sd-wan-con3-con td span {
    font-size: 16px;
    font-weight: bold;
    vertical-align: middle;
}
.sd-wan-con3-con td .sd-wan-table-btn {
    display: inline-block;
    padding: 0 25px;
    height: 40px;
    font-size: 14px;
    color: #333;
    text-align: center;
    line-height: 40px;
    border: 1px solid #eee;
    border-radius: 4px;
    margin: 5px 10px;
    transition: all 0.3s ease;
}
.sd-wan-con3-con td .sd-wan-table-btn:hover {
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    color: #fff;
}
.sd-wan-con3-con td .sd-wan-table-btn.sd-wan-btn-primary {
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    color: #fff;
}
.sd-wan-con3-con td .sd-wan-table-btn.sd-wan-btn-primary:hover {
    opacity: 0.85;
}

@media (max-width: 768px) {
    .sd-wan-con3 {
        padding: 50px 0;
    }
    .sd-wan-con3-con table {
        min-width: 500px;
        font-size: 12px;
    }
    .sd-wan-con3-con td {
        font-size: 12px;
        padding: 8px 14px;
        height: 48px;
    }
    .sd-wan-con3-con td img {
        width: 24px;
        height: 24px;
        margin-right: 10px;
    }
    .sd-wan-con3-con td span {
        font-size: 13px;
    }
    .sd-wan-con3-con td .sd-wan-table-btn {
        padding: 0 16px;
        height: 32px;
        line-height: 32px;
        font-size: 12px;
        margin: 3px 6px;
    }
}

/* ===== con4 ===== */
.sd-wan-con4 {
    background: #070e2a;
    padding: 80px 0;
}
.sd-wan-con4 .sd-wan-tit1 {
    margin-bottom: 10px;
}
.sd-wan-con4-con {
    margin-top: 40px;
    position: relative;
}
.sd-wan-con4-con .sd-wan-map {
    max-width: 100%;
    margin-top: 30px;
}
.sd-wan-con4-logo {
    position: absolute;
    top: 0;
    right: 0;
    width: 350px;
    height: 560px;
    background: url("/css/2021/images/sd-wan-box.png") no-repeat top center;
    background-size: contain;
}
.sd-wan-con4-logo .sd-wan-logoList {
    width: 137px;
    float: right;
    text-align: center;
}
.sd-wan-con4-logo .sd-wan-logoList img {
    margin-top: 28px;
    max-width: 100%;
}
.sd-wan-con4-con .sd-wan-hl {
    text-align: center;
    font-size: 14px;
    color: #00f2fe;
    margin-top: 20px;
}
.sd-wan-con4-con .sd-wan-hl a img {
    width: 24px;
    vertical-align: middle;
    margin-left: 8px;
}

@media (max-width: 992px) {
    .sd-wan-con4-logo {
        position: static;
        width: 100%;
        height: auto;
        background: none;
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }
    .sd-wan-con4-logo .sd-wan-logoList {
        float: none;
        width: auto;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 20px;
    }
    .sd-wan-con4-logo .sd-wan-logoList img {
        margin-top: 0;
        max-height: 36px;
        width: auto;
    }
}
@media (max-width: 768px) {
    .sd-wan-con4 {
        padding: 50px 0;
    }
    .sd-wan-con4-con .sd-wan-map {
        margin-top: 15px;
    }
    .sd-wan-con4-con .sd-wan-hl {
        font-size: 13px;
    }
    .sd-wan-con4-logo .sd-wan-logoList img {
        max-height: 30px;
    }
}

/* ===== con5 ===== */
.sd-wan-con5 {
    background: #f9f9f9;
    padding: 80px 0;
}
.sd-wan-con5 .sd-wan-tit {
    margin-bottom: 30px;
}
.sd-wan-c5Con {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.sd-wan-c5Con li {
    background: #fff;
    padding: 30px 28px;
    border-radius: 8px;
    background-image: url("/css/2021/images/sd-wan-bg.png");
    background-repeat: no-repeat;
    background-position: bottom center;
    background-size: 100% auto;
    transition: box-shadow 0.2s ease;
}
.sd-wan-c5Con li:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.sd-wan-c5Con li h4 {
    font-size: 18px;
    color: #333;
    font-weight: bold;
    margin: 0 0 12px 0;
}
.sd-wan-c5Con li p {
    font-size: 14px;
    line-height: 26px;
    color: #555;
    padding-top: 14px;
    border-top: 1px solid #ddd;
    margin: 0;
}
.sd-wan-c5Con li a {
    display: inline-block;
    padding: 0 25px;
    height: 36px;
    font-size: 14px;
    text-align: center;
    line-height: 36px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    margin-top: 16px;
    transition: all 0.3s ease;
}
.sd-wan-c5Con li a:hover {
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    color: #fff;
}

@media (max-width: 992px) {
    .sd-wan-c5Con {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}
@media (max-width: 768px) {
    .sd-wan-con5 {
        padding: 50px 0;
    }
    .sd-wan-c5Con li {
        padding: 22px 18px;
    }
    .sd-wan-c5Con li h4 {
        font-size: 16px;
    }
    .sd-wan-c5Con li p {
        font-size: 13px;
        line-height: 24px;
    }
    .sd-wan-c5Con li a {
        padding: 0 18px;
        height: 32px;
        line-height: 32px;
        font-size: 13px;
    }
}

/* ===== con6 ===== */
.sd-wan-con6 {
    width: 100%;
    background: url("/css/2021/images/sd-wan-zc.png") no-repeat top center;
    background-size: cover;
    min-height: 226px;
    padding: 56px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.sd-wan-con6 .sd-wan-tit1 {
    margin-bottom: 20px;
}
.sd-wan-zc {
    display: inline-block;
    padding: 0 40px;
    height: 46px;
    font-size: 14px;
    color: #fff;
    text-align: center;
    line-height: 46px;
    background-image: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 4px;
    transition: all 0.3s ease;
}
.sd-wan-zc:hover {
    opacity: 0.85;
    color: #fff;
}

@media (max-width: 768px) {
    .sd-wan-con6 {
        min-height: 180px;
        padding: 40px 0;
    }
    .sd-wan-con6 .sd-wan-tit1 {
        font-size: 22px;
        margin-bottom: 16px;
    }
    .sd-wan-zc {
        padding: 0 30px;
        height: 40px;
        line-height: 40px;
        font-size: 13px;
    }
}
@media (max-width: 576px) {
    .sd-wan-con6 {
        min-height: 150px;
        padding: 30px 0;
    }
    .sd-wan-con6 .sd-wan-tit1 {
        font-size: 18px;
        margin-bottom: 12px;
    }
    .sd-wan-zc {
        padding: 0 24px;
        height: 36px;
        line-height: 36px;
        font-size: 12px;
    }
}

/* ===== clearfix ===== */
.sd-wan-clear:after {
    clear: both;
    height: 0;
    overflow: hidden;
    display: block;
    visibility: hidden;
    content: ".";
}


         /* ===== TGA 新增样式 ===== */

         /* TGA产品优势 - 列表布局 */
     .tga-cpys {
         list-style: none;
         padding: 0;
         margin: 30px auto 0;
         display: flex;
         flex-wrap: wrap;
         justify-content: center;
         gap: 20px;
     }
    .tga-cpys li {
        width: 30%;
        min-width: 200px;
        text-align: center;
        padding: 30px 20px;
        background: #fff;
        border-radius: 10px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        transition: all 0.3s ease;
    }
    .tga-cpys li:hover {
        box-shadow: 0 10px 40px rgba(0,0,0,0.12);
        transform: translateY(-5px);
    }
    .tga-cpys li img {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }
    .tga-cpys li h6 {
        font-size: 18px;
        font-weight: 700;
        color: #1a2a4a;
        margin-bottom: 12px;
    }
    .tga-cpys li p {
        font-size: 14px;
        color: #666;
        line-height: 1.8;
        margin: 0;
    }

    /* TGA加速节点表格 */
    .tga-table {
        margin: 40px auto 20px;
        overflow-x: auto;
        border-radius: 12px;
        box-shadow: 0 5px 30px rgba(0,0,0,0.05);
        border: 1px solid #00f2fe;

    }
    .tga-table table {
        width: 100%;
        border-collapse: collapse;
        font-size: 14px;
    }
    .tga-table table tr {
        border-bottom: 1px solid #00f2fe;
    }
    .tga-table table tr:first-child {
        background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
        color: #fff;
        font-weight: 700;
    }
    .tga-table table tr:first-child td {
        padding: 14px 20px;
        border-radius: 0;
    }
    .tga-table table td {
        padding: 12px 20px;
        color: #fff;
        line-height: 1.8;
    }
    .tga-table table tr:last-child {
        border-bottom: none;
    }
    .tga-table table tr:hover:not(:first-child) {
        background: #00f2fe;
    }
    .tga-table table td:first-child {
        font-weight: 600;
        color: #fff;
        white-space: nowrap;
    }

    /* TGA按钮组 */
    .tga-btn {
        text-align: center;
        padding: 20px 0 30px;
    }
    .tga-btn a {
        display: inline-block;
        padding: 12px 40px;
        border-radius: 30px;
        font-size: 16px;
        font-weight: 600;
        color: #4facfe;
        background: #fff;
        border: 2px solid #4facfe;
        text-decoration: none;
        margin: 0 8px;
        transition: all 0.3s ease;
    }
    .tga-btn a:hover {
        background: #4facfe;
        color: #fff;
        transform: scale(1.02);
    }
    .tga-btn a:last-child {
        background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
        border: none;
        color: #fff;
    }
    .tga-btn a:last-child:hover {
        opacity: 0.85;
        transform: scale(1.02);
    }

    /* 响应式适配 */
    @media (max-width: 768px) {
        .tga-cpys li {
            width: 45%;
            min-width: 140px;
            padding: 20px 15px;
        }
        .tga-cpys li img {
            width: 45px;
            height: 45px;
        }
        .tga-table table {
            font-size: 12px;
        }
        .tga-table table td {
            padding: 8px 12px;
        }
        .tga-btn a {
            padding: 10px 24px;
            font-size: 14px;
            margin: 0 4px;
        }
    }
    @media (max-width: 480px) {
        .tga-cpys li {
            width: 100%;
        }
        .tga-btn a {
            display: block;
            margin: 8px auto;
            width: 80%;
        }
    }