.opacity-0 {
    opacity: 0;
}

.products-wrapper {
    width: 100%;
    overflow-x: hidden;
    background-color: #ffffff;
}

.prod-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 5%;
    box-sizing: border-box;
}

.flex-row {
    display: flex;
    flex-wrap: wrap;
}

.align-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.text-center {
    text-align: center;
}

.relative {
    position: relative;
}

/* Banner Section */
.prod-banner {
    width: 100%;
    background: url('../images/pc/products/banner.jpg') no-repeat center center;
    background-color: #929294;
    padding: 20px;
    min-height: 720px;
}

.banner-logo {
    display: flex;
}

.banner-text-col {
    padding-top: 120px;
    padding-left: 3vw;
}

.banner-badge-col {
    width: auto;
    box-sizing: border-box;
    display: flex;
    justify-content: flex-end;
    padding-left: 50px;
}

.banner-logo img {
    height: 50px;
    margin-bottom: 25px;
    padding-right: 20px;
}

.banner-title {
    font-size: 50px;
    font-weight: bold;
    color: #FFFFFF;
    margin: 0 0 25px 0;
    letter-spacing: 2px;
}

.banner-list {
    list-style: none;
    padding: 0;
    margin: 0 0 35px 0;
    text-align: left;
}

.banner-list li {
    font-size: 20px;
    color: #FFFFFF;
    margin-bottom: 12px;
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
}

.banner-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background-color: #d3112b;
    border-radius: 50%;
}

.banner-badges {
    display: flex;
    gap: 15px;
}

.banner-badges .badge {
    background-color: #d3112b;
    color: #ffffff;
    padding: 8px 18px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
}

/* Titles */
.main-title {
    font-size: 32px;
    font-weight: bold;
    color: #000000;
    margin: 60px 0 50px 0;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 20px;
}

.main-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: #d3112b;
}

.sec-heading {
    font-size: 34px;
    font-weight: bold;
    color: #000000;
    margin: 0 0 15px 0;
    display: inline-block;
    position: relative;
}

.sec-heading::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    width: 30px;
    height: 3px;
    background-color: #d3112b;
}

.sub-heading {
    font-size: 24px;
    color: #d3112b;
    margin: 0 0 20px 0;
    padding-top: 15px;
}

/* Product Section */
.prod-intro-section {
    padding: 20px 0 60px 0;
}

.prod-row {
    margin-bottom: 10px;
}

.line-top {}

.prod-text {
    width: 50%;
    padding: 20px;
    box-sizing: border-box;
}

.prod-image {
    width: 50%;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .patch-row .prod-text {
        width: 60%;
    }

    .patch-row .prod-image {
        width: 40%;
    }
}

.prod-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    /* 告訴瀏覽器盡量保持高品質 */
  image-rendering: -webkit-optimize-contrast; /* Chrome/Safari */
  image-rendering: high-quality;             /* 部分現代瀏覽器支持 */
}

.img-small {
    max-width: 350px !important;
}

.desc-text {
    font-size: 18px;
    color: #555555;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

.cert-info {
    font-size: 14px;
    color: #888888;
    line-height: 1.6;
}

/* Product Kit Section */
.prod-kit-section {
    background: linear-gradient(to bottom, #e8e5dc 60%, #ffffff 0%);
    padding: 50px 0 80px 0;
}

.kit-row {
    max-width: 1000px;
    margin: 0 auto;
}

.kit-image {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

.kit-image img {
    max-width: 100%;
    height: auto;
}

.kit-ref-text {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 15px;
    color: #666666;
    width: 100%;
    text-align: center;
}

.kit-text {
  position: absolute;
  top: 50px;
  right: 0px;
  width: 350px;
  box-sizing: border-box;
  font-size: 20px;
  color: #333333;
  line-height: 1.8;
  font-weight: bold;
  text-align: left;
}

/* Related Docs Section */
.prod-docs-section {
    padding: 50px 0 90px 0;
    background-color: #ffffff;
}

.doc-card {
    background-color: #e5e3dc;
    border-radius: 50px;
    padding: 20px 40px;
    max-width: 670px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.doc-card:hover {
    transform: translateY(-5px);
    background-color: #d8d6cc;
}

.doc-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    margin-right: 25px;
    background-color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.doc-info {
    flex-grow: 1;
}

.doc-info h4 {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
    color: #000000;
}

.doc-info p {
    margin: 8px 0 0 0;
    font-size: 15px;
    color: #555555;
}

.doc-download {
    width: 25px;
    height: 25px;
    flex-shrink: 0;
    margin-left: 20px;
}

.doc-download img {
    width: 100%;
    height: 100%;
}

/* RWD */
@media (max-width: 1700px) {
  .prod-banner {
    background-size: cover;
    background-image: url(/images/pc/products/banner1700.jpg);
    min-height: 40vw;
  }
  .banner-text-col {
    padding-top: 5vw;
    padding-left: 10vw;
  }
  .banner-title {
    font-size: 2.8vw;
    text-align: left;
  }
  .banner-list li {
    font-size: 1.3vw;
  }  
  
}
  
@media (max-width: 991px) {  
    .banner-badge-col,
    .prod-text,
    .prod-image,
    .kit-image,
    .kit-text {
        width: 100%;
        text-align: center;
        padding: 15px 15px
    }

    .banner-badge-col {
        justify-content: center;
        padding-left: 0;
    }

    .banner-badges {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .prod-row {
        display: flex;
        flex-direction: column;
    }

    .prod-text {
        order: 2;
    }

    .prod-image {
        order: 1;
        margin-bottom: 20px;
    }

    .kit-image {
        text-align: center;
        padding-right: 0;
    }

    .kit-text {
        position: static;
        width: 100%;
        text-align: center;
        padding: 15px 0;
        font-size: 18px;
    }

    .sec-heading {
        display: inline-block;
    }

    .desc-text {
        text-align: center;
    }
  
}

@media (max-width: 768px) {    .banner-title {
        font-size: 26px;
    }

    .banner-list li {
        font-size: 15px;
    }

    .doc-card {
        flex-direction: column;
        border-radius: 25px;
        padding: 25px;
        text-align: center;
    }

    .doc-icon {
        margin: 0 0 15px 0;
    }

    .doc-download {
        margin: 15px 0 0 0;
    }
  
  .banner-logo img {
    height: 30px;
    margin-bottom: 10px;
  }
  .banner-text-col {
    padding-top: 5vw;
    padding-left: 0vw;
  }
  
  .prod-banner {
  background-image: url(/images/pc/products/banner_m.jpg);
  min-height: 510px;
  background-size: contain;
  background-position: center bottom;
  } 
  
  .prod-kit-section {
      background: linear-gradient(to bottom, #e8e5dc 50%, #ffffff 0%);
      padding: 50px 0 80px 0;
  }
  
}

/* 英文版調整 */
.lang-en .banner-title {
    font-size: 40px;
    letter-spacing: 1px;
}
.lang-en .banner-list {
  max-width: 560px;  
}

@media (max-width: 1700px) {
  
  .lang-en .banner-text-col {
    padding-top: 5vw;
    padding-left: 0vw;
  }
}

@media (max-width: 1300px) {
  
  .lang-en .banner-title {
      font-size: 30px;
      letter-spacing: 0px;
  }
  
  .lang-en .banner-text-col {
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  .lang-en .banner-title {
      font-size: 26px;
      letter-spacing: 0px;
  }
  .lang-en .banner-list li {
    font-size: 13px;
    margin-bottom: 7px;
  }
  .lang-en .prod-banner {
      min-height: 580px;
    }
  
}