.mt-case-menu { margin: 0 auto;}
.mt-case-menu ul { display: flex; flex-wrap: wrap; justify-content: left; margin: 0 -10px -20px;}
.mt-case-menu ul li { width: calc(100% / 6); margin-bottom: 20px; padding: 0 10px;}
.mt-case-menu ul li a { display: block; width: 100%; height: 50px; overflow: hidden; line-height: 30px; color: #333; font-size: 16px; text-align: center; white-space: nowrap; text-overflow: ellipsis; padding: 10px; background-color: #fff;}
.mt-case-menu ul li.active a, .mt-case-menu ul li a:hover { color: #fff; background-color: #cf2f2a;}


/* mt-inner-case start */
.mt-inner-case { overflow: hidden; margin-top: 40px; padding-bottom: 100px;}
.mt-inner-case_list ul { min-height: 240px; display: flex; flex-wrap: wrap; justify-content: left; margin: 0 -16px 18px;}
.mt-inner-case_list ul li { width: calc(100% / 3); margin-bottom: 32px; padding: 0 16px;}
.mt-inner-case_list ul li .mt-inner-case_items { height: 100%; overflow: hidden;}
.mt-inner-case_items .image { width: 100%; height: 340px; overflow: hidden;}
.mt-inner-case_items .image a { display: block; width: 100%; height: 100%; overflow: hidden; position: relative; }
.mt-inner-case_items:hover .image a img { -webkit-transform: scale(1.05); transform: scale(1.05);}

.mt-inner-case_items .text { height: calc(100% - 340px); overflow: hidden; padding: 20px 0; background-color: #fff;}
.mt-inner-case_items .text .head { display: flex; align-items: center; justify-content: space-between; padding-left: 20px;}
.mt-inner-case_items .text .head a.name { display: block; width: calc(100% - 100px); max-height: 60px; overflow: hidden; line-height: 30px; color: #000; font-size: 20px; font-weight: bold; display: -webkit-box; text-overflow: ellipsis; line-clamp: 2; -webkit-line-clamp: 2; -webkit-box-orient: vertical;}
.mt-inner-case_items .text .head a.arrow { display: block; width: 80px; height: 60px; overflow: hidden; font-size: 0; border-left: 1px solid #e6e6e6; padding: 17px;}
.mt-inner-case_items .text .foot { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; padding: 0 20px;}
.mt-inner-case_items .text .foot span.time, .mt-inner-case_items .text .foot a.more { display: block; line-height: 24px; color: #777; font-size: 16px;}

.mt-inner-case_items:hover .text { background-color: #cf2f2a;}
.mt-inner-case_items:hover .text .head a.name { color: #fff;}
.mt-inner-case_items:hover .text .head a.arrow { border-left: 1px solid #fff;}
.mt-inner-case_items:hover .text .head a.arrow svg path { fill: #fff;}
.mt-inner-case_items:hover .text .foot span.time, .mt-inner-case_items:hover .text .foot a.more { color: #fff;}
/* mt-inner-case end */


@media (max-width:1680px) {
  .mt-inner-case { margin-top: 30px; padding-bottom: 80px;}
  .mt-inner-case_list ul { margin: 0 -15px 10px;}
  .mt-inner-case_list ul li { margin-bottom: 30px; padding: 0 15px;}
  .mt-inner-case_items .image { height: 300px;}
  .mt-inner-case_items .text { height: calc(100% - 300px); padding: 15px 0;}
}

@media (max-width:1600px) {
}

@media (max-width:1560px) {
}

@media (max-width:1440px) {
  .mt-inner-case { padding-bottom: 60px;}
  .mt-inner-case_list ul { margin: 0 -12px 6px;}
  .mt-inner-case_list ul li { margin-bottom: 24px; padding: 0 12px;}
  .mt-inner-case_items .image { height: 280px;}
  .mt-inner-case_items .text { height: calc(100% - 280px); padding: 15px 0;}
  .mt-inner-case_items .text .head a.name { width: calc(100% - 90px); max-height: 56px; line-height: 28px; font-size: 18px;}
  .mt-inner-case_items .text .head a.arrow { width: 70px; height: 50px; padding: 15px;}
  .mt-inner-case_items .text .foot span.time, .mt-inner-case_items .text .foot a.more { font-size: 15px;}

}

@media (max-width:1366px) {
  .mt-inner-case_items .image { height: 260px;}
  .mt-inner-case_items .text { height: calc(100% - 260px);}
}

@media (max-width:1280px) {
  .mt-case-menu ul { margin: 0 -8px -16px;}
  .mt-case-menu ul li { margin-bottom: 16px; padding: 0 8px;}
  .mt-case-menu ul li a { height: 45px; line-height: 25px; font-size: 15px;}

  .mt-inner-case { padding-bottom: 50px;}
  .mt-inner-case_items .image { height: 230px;}
  .mt-inner-case_items .text { height: calc(100% - 230px);}
  .mt-inner-case_items .text .head a.name { width: calc(100% - 84px); max-height: 52px; line-height: 26px; font-size: 16px;}
  .mt-inner-case_items .text .head a.arrow { width: 64px; height: 48px; padding: 15px;}
  .mt-inner-case_items .text .foot span.time, .mt-inner-case_items .text .foot a.more { font-size: 14px;}
}

@media (max-width:1200px) {
}

@media (max-width:1080px) {
  .mt-inner-case_items .image { height: 220px;}
  .mt-inner-case_items .text { height: calc(100% - 220px);}
}

@media (max-width:1024px) {
  .mt-inner-case_items .image { height: 200px;}
  .mt-inner-case_items .text { height: calc(100% - 200px);}
}

@media (max-width:920px) {
  .mt-case-menu ul { margin: 0 -6px -12px;}
  .mt-case-menu ul li { width: 20%; margin-bottom: 12px; padding: 0 6px;}

  .mt-inner-case { margin-top: 20px; padding-bottom: 40px;}
  .mt-inner-case_list ul { margin: 0 -10px;}
  .mt-inner-case_list ul li { margin-bottom: 20px; padding: 0 10px;}
  .mt-inner-case_items .image { height: 180px;}
  .mt-inner-case_items .text { height: calc(100% - 180px);}
  .mt-inner-case_items .text .head a.name { width: calc(100% - 70px); max-height: 50px; line-height: 25px; font-size: 15px;}
  .mt-inner-case_items .text .head a.arrow { width: 50px; height: 40px; padding: 12px;}

}

@media (max-width:820px) {
  .mt-case-menu ul li { width: 25%;}

  .mt-inner-case_items .image { height: 165px;}
  .mt-inner-case_items .text { height: calc(100% - 165px);}
}

@media (max-width:767px) {
  .mt-case-menu ul { margin: 0 -1px -2px;}
  .mt-case-menu ul li { width: calc(100% / 3); margin-bottom: 2px; padding: 0 1px;}
  .mt-case-menu ul li a { height: 40px; line-height: 20px; font-size: 14px;}

  .mt-inner-case_list ul { margin: 0;}
  .mt-inner-case_list ul li { width: 100%; margin-bottom: 20px; padding: 0;}
  .mt-inner-case_items .image { height: 240px;}
  .mt-inner-case_items .text { height: calc(100% - 240px);}
  .mt-inner-case_items .text .head a.name { width: calc(100% - 70px); max-height: 56px; line-height: 28px; font-size: 18px;}
  .mt-inner-case_items .text .foot { display: none;}

}

@media (max-width:390px) {
  .mt-inner-case_items .image { height: 230px;}
  .mt-inner-case_items .text { height: calc(100% - 230px);}
}

@media (max-width:320px) {
  .mt-case-menu ul li { width: 50%;}

  .mt-inner-case { padding-bottom: 30px;}
  .mt-inner-case_items .image { height: 200px;}
  .mt-inner-case_items .text { height: calc(100% - 200px);}
  .mt-inner-case_items .text .head a.name { max-height: 52px; line-height: 26px; font-size: 16px;}
}