:root {
    --mc-primary: #1e6bff; /* 主蓝 */
    --mc-primary-deep: #0a3fd6; /* 深蓝 */
    --mc-primary-dark: #061b4d; /* 墨蓝 */
    --mc-cyan: #21d4fd; /* 青蓝高光 */
    --mc-bg-dark: #0a1a3f; /* 深蓝底 */
    --mc-bg-dark2: #0d2766; /* 深蓝底2 */
    --mc-text-main: #1a2b4a;
    --mc-text-sub: #5b6b88;
    --mc-shadow: 0 10px 40px rgba(30, 107, 255, .15);
    --mc-shadow-glow: 0 0 24px rgba(33, 212, 253, .35);
    --mc-radius: 14px;
}

body {
    background: #f5f8ff;
    font-family: "Source Han Sans CN", "Microsoft YaHei", -apple-system, sans-serif;
    color: var(--mc-text-main);
    margin: 0;
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
}

.vr {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

/* ============ 1. Banner 区 ============ */
.c1 {
    display: flex;
    align-items: center;
    position: relative;
    width: 100vw;
    min-height: 560px;
    overflow: hidden;
    background: linear-gradient(120deg, #04124a 0%, #0a3fd6 55%, #21d4fd 130%);
}

h4 {
    color: white;
}

.c1-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: .35;
    mix-blend-mode: screen;
}

/* 科技网格背景 */
.c1::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(33, 212, 253, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 212, 253, .08) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 100%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 100%);
    z-index: 1;
}

.c1-ct {
    position: relative;
    z-index: 2;
    color: #fff;
    width: 100%;
    padding: 0 24px;
    text-align: center;
}

.c1-ct h1 {
    font-size: clamp(28px, 4.2vw, 54px);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin: 0;
    letter-spacing: 2px;
    text-shadow: 0 4px 30px rgba(33, 212, 253, .6);
}

.c1-ct h2 {
    font-size: clamp(15px, 2vw, 24px);
    color: rgba(255, 255, 255, .92);
    margin: 18px 0 0;
    font-weight: 400;
}

.c1-hr {
    width: 80px;
    height: 4px;
    margin: 26px auto 22px;
    background: linear-gradient(90deg, var(--mc-cyan), var(--mc-primary));
    border: 0;
    border-radius: 4px;
    box-shadow: var(--mc-shadow-glow);
}

.c1-drp {
    max-width: 820px;
    font-size: clamp(12px, 1.05vw, 15px);
    line-height: 2;
    color: rgba(255, 255, 255, .85);
}

.c1-drp p {
    margin: 4px 0;
}

.c1-drp p::before {
    content: "▸";
    color: var(--mc-cyan);
    margin-right: 8px;
    font-weight: bold;
}

/* ============ 通用标题 ============ */
.marketsContent {
    width: 100%;
}

.marketsContentItemize {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 70px 0 30px;
}

.marketsTitles {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.marketsTitles h4 {
    font-size: clamp(22px, 2.6vw, 32px);
    font-weight: 700;
    color: var(--mc-text-main);
    margin: 0 0 12px;
    line-height: 1.3;
}

.marketsTitles h4::after {
    content: "";
    display: block;
    width: 54px;
    height: 4px;
    margin: 16px auto 0;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--mc-primary), var(--mc-cyan));
}

.marketsTitles h5 {
    font-size: 13px;
    color: #9aa6bd;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ============ Tab 导航 ============ */
.marketsContentItemizeNav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-bottom: 36px;
}

.goShift, .shiftss {
    position: relative;
    padding: 12px 30px;
    font-size: 15px;
    color: #5b6b88;
    background: #fff;
    border: 1px solid #e3ecff;
    border-radius: 30px;
    cursor: pointer;
    transition: all .3s ease;
    display: inline-flex;
    align-items: center;
    user-select: none;
}

.goShift span, .shiftss span {
    line-height: 1;
}

.goShift img, .shiftss img {
    display: none;
}

.goShift:hover, .shiftss:hover {
    color: var(--mc-primary);
    border-color: var(--mc-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(30, 107, 255, .2);
}

.borderBottomBlue,
.goShift.borderBottomBlue,
.shiftss.borderBottomBlue {
    color: #fff;
    background: linear-gradient(135deg, var(--mc-primary) 0%, var(--mc-primary-deep) 100%);
    border-color: transparent;
    box-shadow: 0 8px 22px rgba(30, 107, 255, .4);
}

/* ============ 产品卡片网格 ============ */
.marketsContentItemizeBody {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.marketsContentItemizeBody li.itemizeActive1 {
    background: #fff;
    border: 1px solid #eaf1ff;
    border-radius: var(--mc-radius);
    padding: 26px 22px;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}

.marketsContentItemizeBody li.itemizeActive1::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--mc-primary), var(--mc-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}

.marketsContentItemizeBody li.itemizeActive1:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: var(--mc-shadow);
}

.marketsContentItemizeBody li.itemizeActive1:hover::before {
    transform: scaleX(1);
}

.itemizeActive1 a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.itemizeActive1 h4 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--mc-text-main);
    margin: 0 0 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #e3ecff;
}

.itemizeActive1 h4 span {
    display: inline-block;
}

.itemizeActive1 h4 .newI,
.itemizeActive1 h4 .hotI {
    font-size: 10px;
    font-style: normal;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    font-weight: 700;
}

.itemizeActive1 h4 .newI {
    background: linear-gradient(135deg, #21d4fd, #1e6bff);
    color: #fff;
}

.itemizeActive1 h4 .hotI {
    background: linear-gradient(135deg, #ff7875, #ff4d4f);
    color: #fff;
}

.itemizeActive1 p {
    font-size: 13px;
    color: var(--mc-text-sub);
    line-height: 1.7;
    margin: 0;
}

/* ============ 解决方案区（深蓝背景） ============ */
.backall {
    background: linear-gradient(180deg, #f5f8ff 0%, #eef3ff 100%);
    padding: 0 0 10px;
}

.marketsContentSolution {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 60px 0 40px;
}

.marketsContentSolution .marketsTitles h4.background {
    color: var(--mc-text-main);
}

.solAllBoxs .solAllBox {
    display: none;
}

.solAllBoxs .solAllBox:first-child {
    display: block;
}

.a22.marketsContentSolutionBody.noneHide {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 26px;
    align-items: stretch;
}

.marketsContentSolutionBodyLeft {
    position: relative;
    border-radius: var(--mc-radius);
    overflow: hidden;
    background: linear-gradient(135deg, #0a3fd6 0%, #04124a 100%);
    padding: 36px 32px;
    color: #fff;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--mc-shadow);
}

.marketsContentSolutionBodyLeft img {
    display: none;
}

.marketsContentSolutionBodyLeft::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 80% 20%, rgba(33, 212, 253, .4), transparent 40%),
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: auto, 36px 36px, 36px 36px;
}

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

.marketsContentSolutionBodyLeftText h4 {
    font-size: 24px;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
}

.marketsContentSolutionBodyLeftText h4 span {
    font-size: 13px;
    font-weight: 400;
    color: var(--mc-cyan);
}

.marketsContentSolutionBodyLeftText h5 {
    font-size: 14px;
    font-weight: 400;
    line-height: 2;
    color: rgba(255, 255, 255, .82);
    margin: 0 0 16px;
}

.marketsContentSolutionBodyLeftText p {
    display: inline-block;
    padding: 8px 22px;
    border: 1px solid rgba(33, 212, 253, .6);
    border-radius: 24px;
    color: var(--mc-cyan);
    font-size: 13px;
    margin: 0;
    transition: all .3s;
}

.marketsContentSolutionBodyLeft a {
    text-decoration: none;
    color: inherit;
}

.marketsContentSolutionBodyLeft:hover .marketsContentSolutionBodyLeftText p {
    background: var(--mc-cyan);
    color: #04124a;
}

.marketsContentSolutionBodyRight {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.marketsContentSolutionBodyRight > div {
    background: #fff;
    border: 1px solid #eaf1ff;
    border-left: 4px solid var(--mc-primary);
    border-radius: 10px;
    padding: 16px 20px;
    transition: all .3s;
}

.marketsContentSolutionBodyRight > div:hover {
    box-shadow: var(--mc-shadow);
    transform: translateX(4px);
}

.marketsContentSolutionBodyRight a {
    text-decoration: none;
    color: inherit;
}

.marketsContentSolutionBodyRight h4 {
    font-size: 16px;
    margin: 0 0 8px;
    color: var(--mc-primary-deep);
    font-weight: 600;
}

.marketsContentSolutionBodyRight .contentInfo,
.marketsContentSolutionBodyRight .contentInfo a {
    font-size: 13px;
    color: var(--mc-text-sub);
    line-height: 1.7;
    margin: 0;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.a22.marketsContentSolutionBottom.noneHide {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 24px;
}

.itemizeActive1s {
    background: #fff;
    border-radius: var(--mc-radius);
    padding: 24px 20px;
    border: 1px solid #eaf1ff;
    transition: all .3s;
}

.itemizeActive1s:hover {
    transform: translateY(-4px);
    box-shadow: var(--mc-shadow);
    border-color: transparent;
}

.itemizeActive1s h4 {
    font-size: 16px;
    margin: 0 0 12px;
    color: var(--mc-text-main);
    font-weight: 600;
    padding-left: 12px;
    border-left: 3px solid var(--mc-primary);
}

.itemizeActive1s .contentInfo {
    font-size: 13px;
    color: var(--mc-text-sub);
    line-height: 1.7;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.itemizeActive1s h5 {
    margin: 0;
}

.itemizeActive1s h5 a {
    color: var(--mc-primary);
    font-size: 13px;
    text-decoration: none;
}

/* ============ 为什么选择精讯云（深色区） ============ */
.marketsContentReasen {
    position: relative;
    background: linear-gradient(160deg, #04124a 0%, #0a3fd6 60%, #0a2766 100%);
    padding: 70px 0;
    overflow: hidden;
}

.marketsContentReasen > img {
    display: none;
}

.marketsContentReasen::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(33, 212, 253, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 212, 253, .06) 1px, transparent 1px);
    background-size: 50px 50px;
}

.marketsContentReasenBody {
    position: relative;
    z-index: 1;
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
}

.marketsContentReasen .marketsTitles h4.white,
.marketsContentReasen .marketsTitles h5.white {
    color: #fff;
}

.marketsContentReasen .marketsTitles h4::after {
    background: linear-gradient(90deg, var(--mc-cyan), #fff);
}

.marketsContentReasenBodys {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.marketsContentReasenBodys > img {
    display: none;
}

.marketsContentReasenBodysLip {
    display: block;
}

.marketsContentReasenBodysLip > div {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(33, 212, 253, .25);
    backdrop-filter: blur(10px);
    border-radius: var(--mc-radius);
    padding: 30px 24px;
    color: #fff;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: all .35s;
}

.marketsContentReasenBodysLip > div::after {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(33, 212, 253, .25), transparent 70%);
    transition: all .4s;
}

.marketsContentReasenBodysLip > div:hover {
    transform: translateY(-8px);
    border-color: var(--mc-cyan);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .3), 0 0 0 1px var(--mc-cyan) inset;
}

.marketsContentReasenBodysLip > div:hover::after {
    top: -20px;
    right: -20px;
    width: 180px;
    height: 180px;
}

.marketsContentReasenBodysLip h5 {
    font-size: 44px;
    font-weight: 800;
    margin: 0 0 14px;
    background: linear-gradient(135deg, #fff, var(--mc-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.marketsContentReasenBodysLip h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    margin: 0 0 14px;
    font-weight: 700;
}

.marketsContentReasenBodysLip h4 img {
    display: none;
}

.marketsContentReasenBodysLip h4::before {
    content: "◆";
    color: var(--mc-cyan);
    font-size: 14px;
}

.marketsContentReasenBodysLip p {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .75);
    margin: 0;
}

/* ============ 合作伙伴区 ============ */
.marketsContentFriend {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 70px 0;
}

.marketsContentFriendBody {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    list-style: none;
    margin: 0 0 30px;
    padding: 0;
}

.marketsContentFriendBody li {
    background: #fff;
    border: 1px solid #eaf1ff;
    border-radius: var(--mc-radius);
    padding: 24px 20px;
    transition: all .3s;
}

.marketsContentFriendBody li:hover {
    transform: translateY(-5px);
    box-shadow: var(--mc-shadow);
    border-color: transparent;
}

.marketsContentFriendBodyLeft {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--mc-primary), var(--mc-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
}

.marketsContentFriendBodyLeft img {
    display: none;
}

.marketsContentFriendBodyRight {
    text-align: center;
}

.marketsContentFriendBodyRight h4 {
    font-size: 17px;
    margin: 0 0 6px;
    color: var(--mc-text-main);
    font-weight: 600;
}

.marketsContentFriendBodyRight h5 {
    font-size: 12px;
    color: #9aa6bd;
    margin: 0 0 10px;
    font-weight: 400;
}

.marketsContentFriendBodyRight p {
    font-size: 13px;
    color: var(--mc-text-sub);
    line-height: 1.7;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.marketsContentItemizeBtn {
    text-align: center;
    margin: 30px 0;
    color: var(--mc-primary);
    font-size: 14px;
}

/* 合作伙伴 logo 墙 */
.img_friend {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    list-style: none;
    margin: 20px 0 0;
    padding: 0;
}

.img_friend li {
    height: 70px;
    background: #fff;
    border: 1px solid #eaf1ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #b0bdd1;
    font-size: 13px;
    font-weight: 600;
    transition: all .3s;
}

.img_friend li img {
    display: none;
}

.img_friend li:hover {
    border-color: var(--mc-primary);
    color: var(--mc-primary);
    box-shadow: var(--mc-shadow);
}

/* ============ 热门方案区 ============ */
.marketsContentNews {
    background: linear-gradient(180deg, #eef3ff 0%, #f5f8ff 100%);
    padding: 70px 0;
}

.marketsContentNewsBody {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
}

.marketsContentNewsBodys {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.marketsContentNewsBodysRight {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.box-each a {
    text-decoration: none;
    color: inherit;
    display: block;
    background: #fff;
    border: 1px solid #eaf1ff;
    border-radius: var(--mc-radius);
    overflow: hidden;
    height: 100%;
    transition: all .3s;
}

.box-each a:hover {
    transform: translateY(-5px);
    box-shadow: var(--mc-shadow);
    border-color: transparent;
}

.moulds_each1 {
    height: 140px;
    background: linear-gradient(135deg, var(--mc-primary-deep), var(--mc-primary), var(--mc-cyan));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.moulds_each1 img {
    display: none;
}

.moulds_each1::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .12) 1px, transparent 1px);
    background-size: 26px 26px;
}

.moulds_each1::before {
    content: "◈";
    position: relative;
    z-index: 1;
    font-size: 42px;
    color: rgba(255, 255, 255, .9);
    text-shadow: 0 0 20px rgba(33, 212, 253, .8);
}

.moulds_each2 {
    padding: 18px 20px;
}

.moulds_each2 h4 {
    font-size: 16px;
    margin: 0 0 10px;
    color: var(--mc-text-main);
    font-weight: 600;
}

.moulds_each2 p {
    font-size: 13px;
    color: var(--mc-text-sub);
    line-height: 1.7;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.moulds_each2 h5 {
    font-size: 12px;
    color: var(--mc-primary);
    margin: 0;
    font-weight: 400;
    padding-top: 10px;
    border-top: 1px dashed #e3ecff;
}

/* ============ 响应式适配 ============ */
@media (max-width: 1100px) {
    .marketsContentItemizeBody {
        grid-template-columns: repeat(3, 1fr);
    }

    .a22.marketsContentSolutionBottom.noneHide {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .img_friend {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .c1 {
        min-height: 440px;
    }

    .a22.marketsContentSolutionBody.noneHide {
        grid-template-columns: 1fr;
    }

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

    .marketsContentItemize,
    .marketsContentSolution,
    .marketsContentFriend,
    .marketsContentReasen {
        padding-top: 44px;
        padding-bottom: 24px;
    }

    .marketsTitles {
        margin-bottom: 26px;
    }

    .marketsContentItemizeNav {
        gap: 10px;
    }

    .goShift, .shiftss {
        padding: 10px 18px;
        font-size: 13px;
    }

    .marketsContentReasenBodys,
    .marketsContentFriendBody,
    .marketsContentNewsBodysRight,
    .a22.marketsContentSolutionBottom.noneHide {
        grid-template-columns: 1fr;
    }

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

    .marketsContentReasenBodysLip h5 {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .marketsContentItemizeBody {
        grid-template-columns: 1fr;
    }

    .itemizeActive1 {
        padding: 20px 18px;
    }
}