* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
}
body {
  font-family: 'Google Sans', Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: #202124;
  background-color: #ffffff;
}

/* 顶部导航 */
header {
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  width: 100%;
}
#searchBox .input-wrap {
  border: 2px solid #3778f7;
  overflow: hidden;
  display: flex;
  align-items: center;
}
#searchBox {
  margin-left: auto;
}
#searchBox .input {
  width: 430px;
  line-height: 19px;
  padding: 8px 10px;
  background: none;
  border: none;
  outline: none;
  font-size: 14px;
  color: #999;
}
#searchBox .search-btn {
  line-height:normal;
  width: 72px;
  height: 35px;
  font-size: 14px;
  background: #3778f7;
  color: #FFF;
  border: none;
  outline: none;
  float: right;
  cursor: pointer;
}
header nav .search-icon {
  display: none;
}
nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  color: #5f6368;
  display: flex;
  gap: 8px;
  width: 100%;
  align-items: center;
}
.logo h1 {
  display: flex;
}
.logo span {
  color: #4285f4;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: #5f6368;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #1a73e8;
}

.download-btn {
  background: linear-gradient(135deg, #4285f4, #34a853);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.2s, box-shadow 0.2s;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(66, 133, 244, 0.4);
}

/* 英雄区域 */
.hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
  flex-direction: row;
  justify-content: center;
  column-gap: 48px;
}

.hero h2 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: #202124;
  font-weight: 700;
}

.hero h2 span {
  color: #4285f4;
}

.hero p {
  font-size: 1.25rem;
  color: #5f6368;
  max-width: 700px;
  margin-bottom: 2rem;
}
.hero .hero-right img {
  width:680px;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, #4285f4, #34a853);
  color: white;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 24px;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(66, 133, 244, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #4285f4;
  padding: 1rem 2rem;
  border: 2px solid #4285f4;
  border-radius: 24px;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: #4285f4;
  color: white;
}
.download-sub {
  margin-top: 24px;
  display: flex;
  column-gap: 12px;
  font-size: 14px;
  justify-content: center;
}
.download-sub span em {
  font-style: normal;
}
.index-device-desc {
  font-size: 14px;
  margin-top: 8px;
}
.index-btn_wrap{position: relative;cursor: pointer;display: inline-block;}
.index-code-box{display:flex;align-items:flex-end!important;justify-content:center!important;width:179px!important;height:197px!important;background:url(../img/code-box.png);background-size:179px 197px;position:absolute;top: 35px;left: 10%;z-index: 21;display:none!important;}
.index-code-box .index-code{margin-bottom:24px;}
.index-code-box .index-code img{width:136px!important;height:136px!important}

/* 功能特性区域 */
.features {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.features h3 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #202124;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 16px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #202124;
}

.feature-card p {
  color: #5f6368;
  line-height: 1.6;
}

/* AI功能区域 */
.ai-section {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, #e8f0fe, #f0f7ff);
}

.ai-content {
  max-width: 1200px;
  margin: 0 auto;
}

.ai-section h3 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
  color: #202124;
}

.ai-section h3 span {
  color: #4285f4;
}

.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.ai-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.ai-card h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #1a73e8;
}

/* 下载区域 */
.download-section {
  padding: 5rem 2rem;
  text-align: center;
  background: #202124;
  color: white;
}

.download-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.platform-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.platform-btn {
  background: rgba(255,255,255,0.1);
  color: white;
  padding: 1rem 2rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.platform-btn:hover {
  background: rgba(255,255,255,0.2);
  border-color: white;
}
.sec-hot {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.sec-hot h3 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
  color: #202124;
}
.sec-hot .hot-lists {
  display:flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.sec-hot .hot-lists .hot-item {
  width: 272px;
  height: 172px;
  border: 1px solid #eee;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  padding: 0px;
  margin: 30px 0px 10px;
}
.sec-hot .hot-item .hot-img {display: block;font-size: 14px;color: #1d1d1d;text-decoration: none;transition: color .2s linear;}
.sec-hot .hot-item .hot-img img {
  width: 100%;
  height: auto;
  vertical-align: middle;
  transition: all 0.5s;
  object-fit: cover;
}
.sec-hot .hot-item .hot-img img:hover {
  transform: scale(1.1);
}
.sec-hot .hot-item .hot-desc {
  width: 100%;
  position: absolute;
  bottom: 0px;
  padding: 6px 15px;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
}
.sec-hot .hot-item .hot-name {
  width: 100%;
  font-size: 14px;
  color: rgb(255, 255, 255);
  font-weight: bold;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  line-height: 28px;
  text-decoration: none;
  transition: color .2s linear;
  display: block;
}
.sec-hot .hot-item .hot-name:hover {
  color: #1967d2;
}
.sec-hot .hot-item .hot-desc p {
  margin-left: 8px;
}
.sec-hot .hot-icon {
  width: 12px;
  height: 12px;
  vertical-align: middle;
  background: url(../img/new-icons.png) no-repeat;
  background-position: -112px 0px;
  display: inline-block;
}
.sec-hot .hot-desc .inline-block {
  display: inline-block;
  font-size: 12px;
  color: #fff;
  vertical-align: middle;
  margin-left: 5px;
}

/* 常见问题 */
.faq {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.faq>h3 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #202124;
}

.faq-item {
  border-bottom: 1px solid #e0e0e0;
  padding: 1.5rem 0;
}

.faq-item h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #202124;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item p {
  color: #5f6368;
  line-height: 1.6;
}

.justify-content-between {
  justify-content: space-between !important;
}
.d-flex {
  display: flex !important;
}
/*栏目*/
.middle-main {
  background: #f6f5fa;
  min-height: calc(100vh - 180px);
}
.crumbs {
  width: 1200px;
  margin: 0 auto;
  padding: 24px 0 20px 0;
  color: #202125;
  font-size: 12px;
  line-height: 16px;
  position: relative;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.detail .crumbs {width:1200px;}
.crumbs:before {
  width: 14px;
  height: 14px;
  background: url(../img/icon-position.png);
  background-size: 14px;
  margin-right: 4px;
  line-height: 100%;
  content: '';
  margin-top: -2px;
  display: inline-block;
  vertical-align: middle;
}

.crumbs span, .crumbs em {
  vertical-align: unset;
  color: #707070;
  display: inline-block;
  line-height: 16px;
}

.crumbs a {
  vertical-align: unset;
  color: #202125;
  display: inline-block;
}
.crumbs h2 {
  display: inline-block;
  vertical-align: unset;
  font: inherit;
}
.main {
  width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
}
.main .main-left {
  width:850px;
  margin-bottom: 32px;
}
.main-left .cat-lists {
  display: flex;
  column-gap: 16px;
  padding: 0 0 0 24px;
  background: #FFFFFF;
}
.main-left .cat-lists a {
  transition: 0.5s;
  display: inline-block;
  padding: 0 18px;
  color: #535353;
  background-color: #ffffff;
  font-size: 16px;
  line-height: 36px;
  text-align: center;
  border: 1px solid #e1e1e1;
  box-shadow: 0 0 8px 2px #ffffff;
  margin: 16px 0 0;
}
.main-left .cat-lists .on {
  background: #358ff0;
  color: #fff;
}
.section-9 {
  width: 100%;
  margin: 0 auto;
  padding: 24px;
  background: #FFFFFF;
}

.section-9 .help-item {
  display: grid;
  padding: 24px 0;
  border-bottom: 1px solid #1774E2;
  grid-template-rows:auto 1fr;
  grid-template-columns:auto 1fr;
}

.section-9 .help-item:hover {
  background: #f7f7f7;
}

.section-9 .help-item:first-of-type {
  padding-top: 8px;
}

.section-9 .help-item .item-name {
  font-weight: bold;
  font-size: 20px;
  color: #333333;
  line-height: 24px;
  margin-bottom: 16px;
  grid-row: 1 / 2;
  grid-column: 1 / 3;
}

.section-9 .help-item .item-name:hover {
  color: #3C74E1;
}

.section-9 .help-item .item-thumb {
  width: 200px;
  height: 120px;
  border-radius: 8px;
  object-fit: cover;
}

.section-9 .help-item .item-right {
  margin-left: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-9 .help-item .item-right .item-desc {
  font-size: 16px;
  color: #666666;
  line-height: 28px;
  height: 56px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
}

.section-9 .help-item .item-right .item-update {
  font-size: 14px;
  color: #276EF7;
  line-height: 18px;
}
.section-9 .help-item .item-right .bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
      margin-top: 16px;
}
.section-9 .help-item .item-right .bottom .hot {
  font-size: 14px;
  color: #276EF7;
  line-height: 18px;
}
.section-9 .lists-pages {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.section-9 .lists-pages a.a1 {
  padding: 6px 16px;
}

.section-9 .lists-pages a {
  font-size: 14px;
  color: #666666;
  line-height: 16px;
  padding: 6px 12px;
  background: #FFFFFF;
  box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.16);
  border-radius: 5px;
  margin: 0 8px;
}

.section-9 .lists-pages a:hover {
  color: #fff;
  background: #1774E2;
}

.section-9 .lists-pages span {
  font-size: 14px;
  color: #fff;
  line-height: 16px;
  padding: 6px 12px;
  background: #1774E2;
  box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.16);
  border-radius: 5px;
  margin: 0 8px;
}

.section-9 .lists-pages select {
  background: #FFFFFF;
  border-radius: 2px 2px 2px 2px;
  border: 1px solid #E4E3E4;
  font-size: 14px;
  color: #666666;
  line-height: 16px;
  height: 16px;
  box-sizing: content-box;
  padding: 6px 16px;
}

.section-9 .lists-pages select option {
  font-size: 14px;
  color: #666666;
  line-height: 16px;
  height: 16px;
}

.main .main-right {
  width:330px;
}
.sidebar-1 {
  border: 1px solid #eeeeee;
  border-top: 5px solid #2c76ee;
  background-color: #fff;
}
.sidebar-1 .hot-article {
  font-size: 24px;
  color: #1d1d1d;
  text-align: center;
  line-height: 24px;
  padding-top: 17px;
  font-weight: bold;
}
.sidebar-1 .hot-lists {
  overflow: hidden;
  padding: 16px;
}
.sidebar-1 .hot-item {
  padding: 5px 0;
  cursor: pointer;
}
.sidebar-1 .hot-item .a {
  width: 270px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 25px;
  color: #303030;
  font-size: 14px;
  display: inline-block;
  vertical-align: top;
}
.sidebar-1 .hot-item .a::before {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: #666;
  content: ' ';
  border-radius: 5px;
  vertical-align: middle;
  margin: 0 6px 0 0;
}
.sidebar-1 .hot-item.on {
  display: block;
}
.sidebar-1 .hot-item.on .a {
  display: none;
}

.sidebar-1 .hot-item .rw_top {
  width: 288px;
  height: 85px;
  display: none;
}
.sidebar-1 .hot-item.on .rw_top {
  display: block;
}
.sidebar-1 .hot-item .rw_top .picture {
  width: 90px;
  height: 75px;
  border: 1px solid #eeeeee;
  border-radius: 5px;
  display: flex;
  float: left;
  align-items: center;
  justify-content: center;
}
.sidebar-1 .hot-item .rw_top .picture img {
  width: 75px;
}
.sidebar-1 .hot-item .rw_top .rw_top_content {
  width: 188px;
  margin-left: 10px;
  float: left;
}
.sidebar-1 .hot-item .rw_top .rw_top_content p {
  font-size: 14px;
  color: #303030;
  line-height: 25px;
  font-weight: bold;
  text-overflow: ellipsis;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sidebar-1 .hot-item .rw_top .rw_top_content span {
  font-size: 14px;
  color: #666;
  line-height: 30px;
}

.session1 {
  width: 1200px;
  margin: 0 auto;
}

.session1 .part-left {
  width: 1200px;
}
.content {
  background-color: #fff;
  padding: 24px 24px 0;
}

.content h2 {
  font-weight: bold;
  font-size: 24px;
  color: #2C2C2C;
  text-align: center;
}

.content .infos-1 {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #707070;
  margin-top: 24px;
}

.content .infos-1 div {
  margin-right: 64px;
  display: flex;
  align-items: baseline;
}

.content .infos-1 .date::before {
  content: '';
  background: url(../img/icon-date.png);
  width: 12px;
  height: 12px;
  background-size: 12px;
  margin-right: 4px;
  vertical-align: middle;
  display: inline-block;
  margin-top: -2px;
}

.content .infos-1 .views::before {
  content: '';
  background: url(../img/icon-views.png);
  width: 12px;
  height: 12px;
  background-size: 12px;
  margin-right: 4px;
  vertical-align: middle;
  display: inline-block;
  margin-top: -2px;
}

.next-page {
  display: flex;
  justify-content: space-between;
  background: #FFFFFF;
  padding: 25px 0 25px;
  border-top: 1px solid #ddd;
}
.next-page a {
  color: #000;
}

.subname {
  border-bottom: 1px #358FF0 solid;
  padding-bottom: 8px;
  margin-top: 0;
  font-size: 20px;
  color: #333;
  font-weight: bold;
}

.subname::before {
  content:'';
  display: inline-block;
  background-image: url(../img/icon-intro.png);
  width:24px;
  height:24px;
  background-size: 24px 24px;
  background-repeat: no-repeat;
  margin-right: 4px;
  vertical-align: sub;
}

.content .detail {
  padding: 16px 0 0;
  box-sizing: border-box;
  border-top: 1px solid rgba(112,112,112,0.1);
  font-size: 14px;
  color: #000;
  line-height: 30px;
}

.content .detail a {
  color: #316CF2;
}

.content .detail a:hover {
  color: blue;
}

.content .detail h3 {
  font-size: 16px;
  font-weight: bold;
  color: #2663ED;
  margin: 15px 0;
}

.content .detail h4 {
  font-size: 14px;
  font-weight: bold;
  color: #2663ED;
  margin: 15px 0;
}

.content .detail p {
  font-size: 14px;
  color: #000;
  line-height: 30px;
}

.content .detail img {
  max-width: 75%;
  max-height: 400px;
  margin: 20px auto;
  display: block;
  box-shadow: 0 0 5px 1px #1178D6;
  object-fit: cover;
}

.list-2 {
  background-color: #fff;
  padding: 24px;
  margin-top: 24px;
}

.list-2 .cont {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.list-2 .cont .item {
  border-bottom: 1px solid #E4E4E4;
  padding-bottom: 16px;
  width: 33.33333%;
  display: flex;
  margin-top: 16px;
  justify-content: flex-start;
  column-gap: .75rem;
}

.list-2 .cont .item .thumb {
  width: 107px;
  height: 74px;
  object-fit: contain;
}

.list-2 .cont .item .info {
  width: 262px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.list-2 .cont .item .name {
  font-size: 15px;
  color: #333;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-weight: bold;
}

.list-2 .cont .item .name:hover {
  color: #3E73ED
}

.list-2 .cont .item .desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  /* 显示的行数 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: #666;
  font-size: 14px;
}


/* 页脚 */
footer {
  background: #f8f9fa;
  padding: 2rem 1rem;
  text-align: center;
  color: #5f6368;
  border-top: 1px solid #e0e0e0;
  font-size: .875rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.footer-links a {
  color: #5f6368;
  text-decoration: none;
}

.footer-links a:hover {
  color: #4285f4;
}

.footer-links a:first-child {
  margin-left: -24px;
}

/* Cookie提示 */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  padding: 1rem 2rem;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  z-index: 999;
}

.cookie-banner p {
  color: #5f6368;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

.cookie-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 500;
}

.cookie-accept {
  background: #4285f4;
  color: white;
}

.cookie-reject {
  background: transparent;
  color: #5f6368;
}

.logo .nav {
  font-size: 16px;
  display: flex;
  column-gap: 24px;
  margin-left: 120px;
  margin-right: auto;
}
.logo .nav a {
  color: #000;
}
.logo .nav a.active {
  color:#226EF1!important;
}

.main_wrap {
  width: 1200px;
  margin: auto;
}
.part-privacy {
  padding: 16px;
  font-size: 16px;
  line-height: 32px;
}
.part-privacy p{
  font-size: 16px;
  line-height: 32px;
}
.page-404 {
  height: 100%;
  text-align: center;
}

.page-404 img {
  margin-top: 68px;
  padding: 0 2rem;
  box-sizing: border-box;
}

.page-404 h1,.page-404 span {
  display: block;
  font-size: 18px;
  color: #333333;
  text-align: center;
  margin-top: 2rem;
}

.page-404 .desc {
  text-align: center;
  font-size: .75rem;
  margin-top: .5rem;
}

.page-404 .desc a {
  color: #3C80F4;
}

.page-404 .btn-lists {
  margin: 1.5rem 0 1rem;
  display: flex;
  justify-content: center;
}

.page-404 .btn-lists a {
  width: 78px;
  height: 33px;
  line-height: 33px;
  text-align: center;
  background: #3C80F4;
  font-size: 12px;
  color: #FFFFFF;
  margin-right: 1.5rem;
  text-decoration: unset;
}
#to_top {position: fixed;bottom: 150px;right: 270px;cursor: pointer;z-index: 1000;display: none;}
#to_top img {width: 65px;height: 65px;}

/* 响应式设计 */
@media (max-width: 768px) {
  .logo {
    justify-content: space-between;
  }
  .logo .nav {
    margin-left: 0;
    font-size:.875rem;
    margin-right: 0;
    align-items: center;
  }
  #search #searchBox {
    display: block;

}
#searchBox {
    margin-left: -.75rem;
    padding: 0 1rem 1rem;
    background-color: #fff;
    width: 100vw;
    position: absolute;
    top: 4rem;
    z-index: 9;
    display: none;
}
#searchBox .input {
    width: 100%;
    height: 1.375rem;
    line-height: 1.375rem;
    padding: .5rem .625rem;
    font-size:.875rem;
}
#searchBox .input-wrap {
    height: 2.125rem;
}
.no-found {
    width: 100%;
    height: 100%;
    text-align: center;
    margin: 88px auto;
}
header nav .search-icon {
    display: block;
    width: 1rem;
    height: 1rem;
    background-image: url(../img/search-icon.png);
    background-size: 100% 100%;
}
  nav {
    padding: 1rem;
  }
  .hero {
    flex-direction: column;
    padding: 3.125rem 1rem 0;
    row-gap: 1.875rem;
  }
  .hero .hero-right img {
    width:100%;
  }
  .hero h2 {
      font-size: 2.5rem;
  }
  .features {
    padding: 5rem 1rem;
  }
  .ai-section {
    padding: 5rem 1rem;
  }
  .sec-hot {
    padding: 5rem 1rem;
  }
  .sec-hot .hot-lists {
    padding: 0;
  }
  .sec-hot .hot-lists .hot-item {
      width: 48%;
      height: 8rem;
      margin:.625rem 0 .625rem;
  }
  .sec-hot .hot-item .hot-desc {
      padding: .25rem .5rem;
      box-sizing: border-box;
  }
  .sec-hot .hot-item .hot-desc p {
      margin-left: 0;
  }
  .sec-hot .hot-item .hot-name {
      font-size: .75rem;
      line-height: 1.75rem;
  }
  .sec-hot .hot-icon {
      width: 1rem;
      height: 1rem;
  }
  .sec-hot .hot-desc .inline-block {
      font-size: .75rem;
      margin-left: 0;
  }
  .faq {
    padding: 5rem 1rem 2.5rem;
    background: linear-gradient(135deg, #e8f0fe, #f0f7ff);
  }
  .nav-links {
      display: none;
  }
  .download-sub {
    column-gap: .5rem;
    font-size: .75rem;
  }
  .ai-features {
      grid-template-columns: 1fr;
  }
  .middle-main {
    min-height: calc(100vh - 64px - 8.75rem);
  }
  .crumbs {
    width: 100%;
    margin: 0;
    padding: .5rem 1rem .5rem 2rem;
    color: #202125;
    font-size: 0.8rem;
    line-height: 1rem;
  }
  .detail .crumbs {
      width: 100%;
  }

  .crumbs:before {
      width: .75rem;
      height: .75rem;
      background-size: .75rem .75rem;
      line-height: 1rem;
      position: absolute;
      top: .625rem;
      left: 1rem;
  }

  .crumbs span, .crumbs em {
      line-height: 1rem;
  }
  .main,.main .main-left {
    width: 100%;
  }
  .main .main-right {
      display: none;
  }
  .main-left .cat-lists {
      display: block;
      margin-left: 0;
      padding: 1rem 0 0 1rem;
  }

  .main-left .cat-lists a {
      transition: 0.5s;
      display: inline-block;
      padding: 0 3%;
      color: #535353;
      background-color: #ffffff;
      font-size: 0.875rem;
      line-height: 2rem;
      text-align: center;
      border: 1px solid #e1e1e1;
      box-shadow: 0 0 0.5rem 0.125rem #ffffff;
      margin: 0.25rem 0 1rem;
  }

  .main-left .cat-lists .on {
      background: #358ff0;
      color: #fff;
  }

  .section-9 {
      width: 100%;
      margin: 0;
      padding: 1rem 1rem 1.5rem;
      background: #FFFFFF;
  }

  .section-9 .help-item {
      display: grid;
      padding: 1rem 0;
      border-bottom: 1px solid #1774E2;
      grid-template-rows:auto 1fr;
      grid-template-columns:auto 1fr;
  }

  .section-9 .help-item:first-of-type {
      padding-top: 0;
  }

  .section-9 .help-item .item-name {
      font-size: .875rem;
      line-height: 1.25rem;
      margin-bottom: .5rem;
  }

  .section-9 .help-item .item-thumb {
      width: 9.5rem;
      height: 6rem;
      border-radius: .25rem;
      object-fit: cover;
  }

  .section-9 .help-item .item-right {
      margin-left: .5rem;
      justify-content: space-between;
  }

  .section-9 .help-item .item-right .item-desc {
      font-size: .8rem;
      line-height: 1.25rem;
      height: 3.75rem;
      -webkit-line-clamp: 3;
  }
  .section-9 .help-item .item-right .bottom {
      margin-top:1rem;
  }
  .section-9 .help-item .item-right .item-update,
  .section-9 .help-item .item-right .bottom .hot  {
      font-size: .8rem;
      line-height: 1rem;
  }
  .section-9 .lists-pages {
      flex-wrap: wrap;
      margin-top: 0;
  }

  .section-9 .lists-pages a.a1 {
      padding: .25rem .5rem;
  }

  .section-9 .lists-pages a {
      font-size: .8rem;
      line-height: 1rem;
      padding: .25rem .5rem;
      border-radius: .25rem;
      margin: 1.5rem .25rem 0;
  }

  .section-9 .lists-pages span {
      font-size: .8rem;
      line-height: 1rem;
      padding: .25rem .5rem;
      border-radius: .25rem;
      margin: 1.5rem .25rem 0;
  }

  .section-9 .lists-pages select {
      display: none;
  }
  .session1 {
    width: -webkit-fill-available;
    background-color: #fff;
}

.session1 .part-left {
    width: inherit;
}

.session1 .part-left .list {
    padding: 1.5rem;
}

.session1 .part-left .list .item {
    padding-bottom: 1rem;
}

.session1 .part-left .list .item .thumb {
    width: 6.75rem;
    height: 4.125rem;
}

.session1 .part-left .list .item .info {
    width: calc(100% - 7.25rem);
    padding: 0.45rem 0;
}

.session1 .part-left .list .item .info .name {
    font-size: 0.875rem;
}

.session1 .part-left .list .item .info .name h2 {
    font-size: 0.875rem;
}

.session1 .part-left .list .item .info .date {
    font-size: 0.8rem;
    display: flex;
    align-items: center
}

.session1 .part-left .list .item .down {
    width: 4.9875rem;
    height: 1.625rem;
    font-size: 0.8rem;
    bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.session1 .part-left .list .item .down::before {
    content: "";
    background: url("../img/m-icon-read.png") no-repeat;
    background-size: .75rem;
    width: 0.75rem;
    height: 0.75rem;
    margin-right: 0.125rem;
}
.subname {
  font-size: 1rem;
}
.subname::before {
  width: 1.25rem;
  height: 1.25rem;
  background-size: 1.25rem 1.25rem;
  display: inline-block;
}
.next-page {
  flex-direction: column;
  padding: 1rem 0 1rem;
  row-gap: 1rem;
}
.next-page a {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-size: .875rem;
  color: #333;
}
.content {
    padding: 1.5rem 1rem 0rem;
}

.content h2 {
    font-size: 1rem;
}

.content .infos-1 {
    font-size: 0.8rem;
    justify-content: space-evenly;
    margin-top: 1rem;
}

.content .infos-1 div {
    margin-right: 0;
}

.content .detail {
    padding: 1rem 0 0;
}

.content .detail h3 {
    font-size: 0.875rem;
    font-weight: bold;
    color: #2663ED;
    margin: 1rem 0;
}

.content .detail h4 {
    font-size: 0.875rem;
    font-weight: bold;
    color: #2663ED;
    margin: 1rem 0;
}

.content .detail p {
    font-size: 0.8rem;
    color: #000;
    line-height: 1.5rem;
    margin: 0 0 0;
}

.content .detail img {
    max-width: 75%;
    max-height: 25rem !important;
    margin: 1rem auto;
    display: block;
    box-shadow: 0 0 5px 1px #1178D6;
}
.h-8 {
    display: block;
    background: #F7F7F7;
    height: 0.5rem;
}
.list-2 {
    padding-bottom: 0;
    padding-top: 1rem;
    margin-top: 0;
}

.list-2 .cont .item {
    width: 100%;
    margin-top: 1rem;
    padding-bottom: 1rem;
}

.list-2 .cont .item .thumb {
    width: 6.75rem;
    height: 4.1875rem;
}

.list-2 .cont .item .info {
    margin-left: 0.5rem;
    width: calc(100% - 7.25rem);
}

.list-2 .cont .item .name {
    width: 100%;
    font-size: 0.875rem;
}

.list-2 .cont .item .desc {
    font-size: 0.8rem;
}
.m-none {
    display: none;
}
  .features-grid {
      grid-template-columns: 1fr;
  }
  .main_wrap {
    width: 100%;
    margin: 0 auto;
  }
  .part-privacy {
      margin-top: 2rem;
  }
  .part-privacy {
      padding: 1rem;
      font-size: 0.875rem;
      line-height: 1.75rem;
  }
  .part-privacy p{
      font-size: 0.875rem;
      line-height: 1.75rem;
  }
  .page-404 img {
      width:100%;
      margin-top: 12rem;
  }
  #to_top {position: fixed;bottom: 2rem;right: 1rem;cursor: pointer;z-index: 1000;display: none;}
  #to_top img {width: 2.5rem;height: 2.5rem;}
}