.shell { max-width: 1400px; margin: auto; padding: 0 20px; }
        .cols { display: flex; align-items: stretch; flex-wrap: wrap; }
        .col-3of4 { width: 75%;  margin-top: 20px;}
        .col-1of4 { width: 25%; display: flex;  margin-top: 20px;}
        .row { display: flex; align-items: stretch; }
        .col-2of3 { width: 66.66%; }
        .col-1of3 { width: 33.33%; }
        .feature { background: center center #f7f7f7; position: relative; min-height: 280px; background-size: cover; overflow: hidden; }
        .feature > a { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 10; }
        .feature .feature-inner { position: relative; z-index: 5; display: flex; align-items: center;   width: 100%; }
        .feature .feature-image { width: 52%; align-self: flex-end; }
        .feature .feature-image img { max-height: 280px; width: auto; }
        .feature .feature-content { margin-left: 38px; }
        .feature:before {
            content: '';
            background: linear-gradient(to right, #33afaf 0%, #33afaf 60%, rgba(51,175,175,0) 100%);
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            transition: width 0.7s cubic-bezier(0.4,0,0.2,1), opacity 0.4s;
            z-index: 1;
            opacity: 0;
            visibility: hidden;
        }
        .feature:hover:before {
            width: 100%;
            opacity: 1;
            visibility: visible;
        }
        .feature h3 { margin-bottom: 18px; font-size: 24px;  text-transform: uppercase; color: #000;    font-weight: 400; }
        .feature h3 strong { display: block; margin-bottom: 1px; font-weight: 600; color: #666; }
        .feature-dark { background: #f7f7f7; }
        .feature-light { background: #f7f7f7; }
        .btn-more { display: flex; font-size: 13px; align-items: center;   text-decoration: none; text-transform: uppercase; color: #000; }
        .btn-more span { margin-right: 14px; transition: margin .4s; font-size: 16px;}
        .btn-more:hover span { margin-right: 44px; }
        .btn-more:after { content: ''; background: url(/static/image/ico-arrow.png) no-repeat; width: 64px; height: 19px; transition: all .7s ease-out; }
        .feature:hover .btn-more:after { transform: translateX(10px); }
        .feature-dark .feature-content h3 { color: #000; }
        .feature-dark .feature-content h3 strong { color: #333; }
        .section-features { background-color: #f7f7f7;  }
        .section-features .col-1of4 .feature .feature-image { width: 100%;  margin-top: 90px;     }
        .section-features .cols > .col-1of4 .feature { padding: 105px 0 40px 20px; width: 100%; }
        .section-features .col-2of3 .feature-light .feature-image {   }
        .section-features .cols .row { width: 100%; }
        .col-3of4 .row .feature { height: 100%; }
        .col-1of4 .feature-dark .feature-inner {
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    height: 100%;
}.col-1of4 .feature-dark .feature-image img {
    max-width: 100%;
    height: auto;
     
    margin-left: 38px;
}.section-features .feature {
  position: relative;
}
.section-features .feature:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: linear-gradient(to right, #33afaf 0%, #33afaf 60%, rgba(51,175,175,0) 100%);
  border-radius: 2px;
  opacity: 1;
  transition: width 0.7s cubic-bezier(.4,0,.2,1);
  z-index: 2;
}
.section-features .feature:hover:before {
  width: 100%;
}
        .col-3of4 .row .feature-image { max-height: 100%; }
        .feature .feature-inner > img { margin: 0 auto; max-height: 280px; width: auto; }
        a { color: inherit; text-decoration: none; }
        
        @media (max-width: 1200px) {
            .feature .feature-content { margin-left: 5px; }
            .col-3of4 .row .feature { height: 100%; }
            .feature .feature-image img { max-height: 200px; }
        }
        
        @media (max-width: 1023px) {
            .feature-inner {
                display: flex;
                flex-direction: row;
                align-items: center;
                width: 100%;
            }
            .feature-image {
                width: 50%;
                height: 100%;
                display: flex;
                align-items: stretch;
                justify-content: center;
            }
            .feature-image img {
                width: 100%;
                height: 100%;
                object-fit: cover;
                display: block;
            }
            .feature-content {
                width: 50%;
                display: flex;
                flex-direction: row;
                align-items: center;
                justify-content: flex-end;
                text-align: right;
                padding-left: 18px;
                gap: 8px;
            }
        }
        
        @media (max-width: 767px) {
            .col-1of4, .col-3of4 { width: 100%; float: none; }
            .cols { display: block; }
            .col-1of4 { margin-left: 0; }
            .feature { min-height: 120px; display: flex; flex-direction: row; align-items: center; margin-bottom: 18px; }
            .feature .feature-inner {
                display: flex !important;
                flex-direction: row !important;
                align-items: stretch !important;
                width: 100% !important;
            }
            .feature .feature-image {
                width: 50% !important;
                min-width: 0 !important;
                display: flex !important;
                align-items: center !important;
                justify-content: center !important;
                height: 100% !important;
                margin: 0 !important;
            }
            .feature .feature-image img {
                width: 100% !important;
                height: auto !important;
                max-height: 150px !important;
                object-fit: contain !important;
                display: block !important;
            }
            .feature .feature-content {
                width: 50% !important;
                min-width: 0 !important;
                display: flex !important;
                flex-direction: column !important;
                justify-content: center !important;
                align-items: flex-start !important;
                text-align: left !important;
                padding: 0 10px !important;
                height: 100% !important;
            }
            .feature-content h3 {
                font-size: 18px;
                font-weight: bold;
                margin: 0 0 8px 0;
                color: #000;
                line-height: 1.2;
                text-transform: none;
                white-space: normal;
            }
            .feature-content h3 strong {
                font-size: 18px;
                font-weight: bold;
                color: #000;
                display: inline;
                margin-bottom: 0;
            }
            .btn-more {
                font-size: 13px;
                margin: 0;
                padding: 0;
                align-items: center;
                white-space: nowrap;
                text-align: left;
            }
            .btn-more span {
                margin-right: 8px;
            }
            .btn-more:after {
                width: 24px;
                height: 19px;
                background-size: 24px 19px;
            }
        }
        
        @media (max-width: 479px) {
            .col-1of2, .col-1of3, .col-2of3 { float: none; width: 100%; }
            .row { flex-wrap: wrap; }
            .row .col-2of3 { order: 1; }
            .row .col-1of3 { order: 2; }
            .col-3of4 .col-1of3 { width: 100%; }
            .feature { min-height: 120px; }
           
            .feature .feature-image,
            .feature .feature-content {
                width: 100% !important;
            }
            .feature .feature-image img {
                max-width: none !important;
                max-height: 100px !important;
                margin: 10px auto !important;
            }
        }
        .section-rd {
                background-color: #f7f7f7;
            
        }
      .rd-container {
    max-width: 1400px;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    display: flex
;
    align-items: stretch;
    justify-content: space-between;
    gap: 0;
    min-height: 420px;
    padding: 68px 0 0 0;
}
        .rd-left, .rd-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .rd-lefth3{
            margin-top: -220px;
        }
        .rd-left {
            padding: 40px 2px 40px 48px;
            background-image: url(/static/picture/1445.png);
            background-size: contain;
    background-position: right;
    background-repeat: no-repeat; /* 防止重复 */
        }
        .rd-right {
            display: none;
        }
        .rd-right img {
            width: 100%;
            height: 100%;
             
            object-fit: cover;
            
            
        }
        .rd-highlight {
            color: #2dc6b6;
            font-weight: bold;
            font-size: 32px;
        }
        .rd-title {
            font-weight: bold;
            font-size: 32px;
            color: #222;
        }
        .section-rd p {
            margin: 24px 0 32px 0;
            color: #222;
            font-size: 16px;
            line-height: 1.7;
        }
        .section-rd .btn-more {
            margin-top: 0;
            font-size: 13px;
            letter-spacing: 1px;
        }
        @media (max-width: 900px) {
            .rd-container {
                flex-direction: column;
                min-height: unset;
            }
            .rd-left, .rd-right {
                padding: 24px 16px;
                align-items: flex-start;
            }
            .rd-lefth3{
                margin-top: 0px;
            }
            .rd-right img {
                max-width: 100%;
                border-radius: 8px;
                margin-top: 16px;
            }
        }
        .section-manufacturing {
            position: relative;
            min-height: 820px;
            width: 100%;
            overflow: hidden;
            
            transition: background-image 0.5s cubic-bezier(.4,0,.2,1);
        }
        .manufacturing-bg {
           
            background: url('/static/picture/a3.png') center center/cover no-repeat;
            
        }
        .manufacturing-bg-mask {
   position: absolute;
 inset: 0;
 pointer-events: none;
 z-index: 2;
 background: /* 顶部白色渐变（白色 → 透明） */ linear-gradient(to bottom, white, #00000003 50%), /* 底部白色渐变（透明 → 白色） */ 
 linear-gradient(to top, white, transparent 50%);
 background-repeat: no-repeat;
 background-size: 100% 30%;
 background-position: top, bottom;
 
}
        
        .manufacturing-mask {
            position: absolute;
            inset: 0;
            
            z-index: 2;
        }
        .manufacturing-content {
            position: relative;
            z-index: 3;
            display: flex;
            max-width: 1360px;
            margin: 0 auto;
            padding: 204px 32px 64px 48px;
            min-height: 520px;
            align-items: flex-start;
            justify-content: space-between;
        }
        .manufacturing-left {
            flex: 1.2;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0,0,0,0.18);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .manufacturing-left h2 {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 24px;
            line-height: 1.1;
            color: #fff;
            letter-spacing: 2px;
        }
        .mfg-brand {
            color: #ffffff;
            font-size: 26px;
            font-weight: bold;
            letter-spacing: 2px;
        }
        .manufacturing-left p {
            font-size: 19px;
            margin-bottom: 32px;
            color: #fff;
            max-width: 600px;
        }
        .mfg-more {
            color: #fff;
            font-size: 15px;
            text-decoration: underline;
            letter-spacing: 1px;
            margin-top: 8px;
            display: inline-block;
        }
        .manufacturing-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 32px;
            min-width: 340px;
        }
        .mfg-feature-row {
            display: flex;
            gap: 32px;
        }
        .mfg-feature-box {
            position: relative;
            border: 2px solid #fff;
            color: #fff;
            font-size: 20px;
            font-weight: 500;
            padding: 32px 18px 56px 18px;
            background: rgba(0,0,0,0.08);
             
            text-align: left;
            box-sizing: border-box;
            min-width: 48%;
            min-height: 236px;
            display: flex;
            align-items: flex-start;
            transition: border-color 0.3s, color 0.3s, background 0.3s, box-shadow 0.3s, transform 0.3s;
            overflow: hidden;
        }
        .mfg-feature-box .mfg-readmore {
            display: none;
            position: absolute;
            left: 0;
            bottom: 0;
            width: 70%;
            background: #111;
            color: #fff;
            font-size: 1em;
            font-weight: 400;
            padding: 12px 0 12px 24px;
            text-decoration: none;
            letter-spacing: 1px;
            border-radius: 0 0 0 0;
            transition: background 0.2s;
        }
        .mfg-feature-box:hover {
            background: #33afaf;
            color: #fff;
            border-color: #33afaf;
            box-shadow: 0 4px 24px rgba(64, 102, 250, 0.12);
            transform: translateY(-6px) scale(1.04);
            cursor: pointer;
        }
        .mfg-feature-box:hover .mfg-readmore {
            display: block;
        }
        @media (max-width: 900px) {
            .manufacturing-content {
                flex-direction: column;
                padding: 32px 10px;
                min-height: 0;
            }
            .manufacturing-left, .manufacturing-right {
                width: 100%;
                min-width: 0;
            }
            .manufacturing-right {
                margin-top: 32px;
                gap: 16px;
            }
            .mfg-feature-row {
                gap: 16px;
            }
            .mfg-feature-box {
                font-size: 16px;
                padding: 18px 8px;
            }
            .manufacturing-left h2 {
                font-size: 32px;
            }
        }
        .section-business-xinadda {
           
            padding: 80px 0 60px 0;
            text-align: center;
        }
        .business-xinadda-container {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            padding: 10px 0px 100px 10px;
        }
        .section-business-xinadda h2 {
            font-size: 40px;
            font-weight: 600;
            letter-spacing: 1px;
            color: #222;
            margin-bottom: 28px;
        }
        .xinadda-highlight {
            color: #3bb1b0;
            font-weight: 600;
        }
        .section-business-xinadda p {
            color: #888;
            font-size: 18px;
            
            line-height: 1.7;
        }
        .business-xinadda-btn {
            color: #888;
            font-size: 17px;
            text-decoration: none;
            letter-spacing: 1px;
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            border: none;
            background: none;
            cursor: pointer;
            transition: color 0.2s;
        }
        .business-xinadda-btn .arrow {
            margin-left: 19px;
            font-size: 19px;
            transition: margin-left 0.2s;
        }
        .business-xinadda-btn:hover {
            color: #3bb1b0;
        }
        .business-xinadda-btn:hover .arrow {
            margin-left: 28px;
        }
        @media (max-width: 600px) {
            .section-business-xinadda h2 {
                font-size: 24px;
            }
            .business-xinadda-container {
                padding: 0 10px;
            }
        }
        .section-exhibition-marketing {
            background: linear-gradient(to bottom, #fff 0%, #fff 55%, #071525 55%, #071525 100%);
            padding: 0 0 34px 0;
            width: 100%;
        }
        .exhibition-marketing-card {
            max-width: 1400px;
            margin: 0 auto;
            margin-top: -80px;
            background: #fff;
            
            box-shadow: 0 8px 40px rgba(0,0,0,0.10);
            display: flex;
            overflow: hidden;
            min-height: 500px;
        }
        .exhibition-marketing-left,
        .exhibition-marketing-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 64px 56px 64px 64px;
        }
        .exhibition-marketing-left {
            background: #fff;
        }
        .exhibition-marketing-right {
            background: #3bb1b0;
        }
        .exhibition-marketing-left h2 {
            font-size: 37px;
            font-weight: 700;
            margin-bottom: 24px;
            color: #222;
            letter-spacing: 0.5px;
        }
        .exhibition-marketing-left .highlight {
            color: #3bb1b0;
            font-weight: 700;
        }
        .exhibition-marketing-right h2 {
            font-size: 37px;
            font-weight: 700;
            margin-bottom: 24px;
            color: #222;
            letter-spacing: 0.5px;
        }
        .exhibition-marketing-left p {
            color: #444;
            font-size: 18px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .exhibition-marketing-right p {
            color: #222;
            font-size: 18px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .card-more {
            font-size: 17px;
            text-decoration: none;
            letter-spacing: 1px;
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            transition: color 0.2s;
            border: none;
            background: none;
            padding: 0;
            margin-top: 0;
        }
        .card-more.left {
            color: #444;
        }
        .card-more.right {
            color: #222;
        }
        .card-more .arrow {
            margin-left: 19px;
            font-size: 30px;
            transition: margin-left 0.2s;
        }
        .card-more:hover .arrow {
            margin-left: 36px;
        }
        @media (max-width: 1100px) {
            .exhibition-marketing-card {
                flex-direction: column;
                min-height: unset;
            }
            .exhibition-marketing-left,
            .exhibition-marketing-right {
                padding: 36px 18px;
            }
        }
    
        .exhibition-hover-img {
            opacity: 0;
            transition: opacity 0.3s;
            position: absolute;
            bottom: 32px;
            right: 32px;
            width: 120px;
            height: auto;
            z-index: 10;
            pointer-events: none;
            box-shadow: 0 4px 24px rgba(0,0,0,0.12);
            border-radius: 8px;
            display: block;
        }
        .exhibition-marketing-left, .exhibition-marketing-right {
            position: relative;
        }
        .exhibition-marketing-left .left-img {
            right: 32px;
        }
        .exhibition-marketing-right .right-img {
            right: 32px;
        }
        .section-knowhow-proto {
            background: #222;
            padding: 0 0 64px 0;
        }
        .knowhow-proto-container {
            max-width: 1500px;
            margin: 0 auto;
            display: flex;
            border-radius: 0;
            overflow: visible;
            min-height: 480px;
            background: none;
        }
        .knowhow-col {
            flex: 1;
            padding: 80px 56px 80px 64px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            background: #fff;
        }
        .knowhow-right {
            background: #e4c68b;
        }
        .knowhow-left h2 {
            font-size: 2.3em;
            font-weight: 700;
            margin-bottom: 24px;
            color: #222;
            letter-spacing: 0.5px;
        }
        .knowhow-left .highlight {
            color: #e4c68b;
            font-weight: 700;
        }
        .knowhow-right h2 {
            font-size: 2.3em;
            font-weight: 700;
            margin-bottom: 24px;
            color: #222;
            letter-spacing: 0.5px;
        }
        .knowhow-col p {
            color: #222;
            font-size: 1.13em;
            margin-bottom: 48px;
            line-height: 1.7;
        }
      .btn-more {
    font-size: 1.08em;
    text-decoration: none;
    letter-spacing: 1px;
    /* display: inline-flex
; */
    /* align-items: center; */
    /* font-weight: 500; */
    /* transition: color 0.2s; */
    /* border: none; */
    /* background: none; */
    /* padding: 0; */
    /* margin-top: 0; */
    color: #222;
}
        .btn-more .arrow {
            margin-left: 24px;
            font-size: 1.2em;
            transition: margin-left 0.2s;
        }
        .btn-more:hover .arrow {
            margin-left: 36px;
        }
        .hover-img {
            opacity: 0;
            transition: opacity 0.4s;
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            z-index: 10;
            background-size: cover;
            background-position: center;
            pointer-events: none;
        }
        .knowhow-left .hover-img.left-img { z-index: 10; }
        .knowhow-right .hover-img.right-img { z-index: 10; }
        .section-manufacturing,
        .manufacturing-left,
        .manufacturing-right,
        .mfg-feature-box,
        .mfg-brand {
          font-size: 20px !important;
        }
        .manufacturing-left h2 {
          font-size: 58px !important;
              text-shadow: 2px 2px 4px #000000;
        }
        .mfg-brand {
          font-size: 28px !important;
              text-shadow: 2px 2px 4px #000000;
        }
.custom-interactive .exhibition-marketing-left,
.custom-interactive .exhibition-marketing-right {
  position: relative;
  overflow: hidden;
}
.custom-interactive .exhibition-hover-img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  display: none;
  z-index: 10;
  transition: opacity 0.8s, transform 0.8s cubic-bezier(.8,0,.2,1);
}

/* 右侧div图片：从左到右滑入 */
.custom-interactive .custom-left-img.slide-in-left {
  display: block;
  opacity: 1;
  transform: translateX(0);
}
.custom-interactive .custom-left-img {
  transform: translateX(-100%);
}
.custom-interactive .custom-left-img.slide-out-left {
  opacity: 0;
  transform: translateX(-100%);
}

/* 左侧div图片：从右到左滑入 */
.custom-interactive .custom-right-img.slide-in-right {
  display: block;
  opacity: 1;
  transform: translateX(0);
}
.custom-interactive .custom-right-img {
  transform: translateX(100%);
}
.custom-interactive .custom-right-img.slide-out-right {
  opacity: 0;
  transform: translateX(100%);
}
    
.section-features {
  background-color: #f7f7f7;
  padding: 80px 0;
}
.section-features .shell {
  max-width: 1400px;
  margin: auto;
  padding: 0 20px;
}
.section-features .cols {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}
.section-features .feature {
  flex: 0 0 22%;
  max-width: 25%;
  min-width: 220px;
  margin: 0;
  
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  position: relative;
  padding: 24px 18px 18px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow 0.2s;
  overflow: visible;
}
.section-features .feature:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(to right, #33afaf 0%, #33afaf 60%, rgba(51, 175, 175, 0) 100%);
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  opacity: 1;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
  z-index: 2;
}
.section-features .feature:hover:before {
  width: 100%;
}
.section-features .feature-image {
  width: 100%;
  height: 280px;
  border-radius: 6px;
  background: #f7f7f7;
  overflow: hidden;
  margin-bottom: 28px;
  display: block;
}
.section-features .feature-image img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
}
.section-features .feature-content h3 {
  color: #25bfc2;
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 32px 0;
  text-align: left;
  line-height: 1.2;
}
.btn-more {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: #222;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-top: 0;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  position: relative;
}
.btn-more span {
  margin-right: 14px;
  font-size: 13px;
  color: #222;
  font-weight: 500;
  transition: margin .4s;
}
.btn-more:after {
  content: '';
  display: inline-block;
  background: url(/static/image/ico-arrow.png) no-repeat;
  width: 64px;
  height: 19px;
  transition: all .7s ease-out;
}
.btn-more:hover span {
  margin-right: 44px;
}

@media (max-width: 1400px) {
    .section-features .feature{
        max-width: 21%;
    }
}
@media (max-width: 900px) {
  .section-features .feature {
    flex: 0 0 0%;
    max-width: 50%;
    min-width: 140px;
    margin: 0;
  }
  .section-features .cols {
    gap: 16px;
  }
  .btn-more:after {display: none;}
  .section-features .feature-content h3 {
    color: #25bfc2;
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 0 0;
    text-align: left;
    line-height: 1.2;
}
.section-features .feature{
        padding: 2%;
}
.section-features{
    padding: 30px 0;
}
}