#langSelect {
  height: 22px !important;
  padding: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  padding-inline: 0 !important;
  padding-block: 0 !important;
  line-height: 22px !important;
  font-size: 14px !important;
}
/* product detail sections */
.pro-section { margin-top: 1rem; }
.pro-section p { color: #7E7D7D; }
.pro-section h4 { font-weight: 700; margin-bottom: 0.5rem; position: relative; padding-bottom: 8px; }
.pro-section h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 50px; height: 3px; background: #d70000; }
.spec-table { width: 98%; border-collapse: collapse; margin: 0 auto; }
.table-responsive { width: 100%; overflow-x: auto; }
.spec-table th, .spec-table td { border: 1px solid #e0e0e0; padding: 10px 14px; text-align: center; font-size: 14px; }
.spec-table thead th { background: #d70000; color: #fff; font-weight: 600; }
.spec-table tbody tr:nth-child(even) { background: #f9f8f6; }
.spec-note { font-size: 13px; color: #888; margin-top: 10px; }
.pack-item { background: #f9f8f6; border-radius: .25rem; padding: 0 12px; margin-bottom: 0; border-left: 3px solid #d70000; font-size: 14px; height: 40px; line-height: 40px; display: flex; align-items: center; white-space: nowrap; }
.pro-section .row { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }
.pro-section .row .col-md-6 { width: calc(50% - 5px); padding: 0; margin: 0; flex: none; max-width: none; box-sizing: border-box; }
.why-card { background: #fff; border: 1px solid #eee; border-radius: .25rem; padding: 1.5rem; height: 100%; transition: box-shadow .3s; }
.why-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.why-card i { font-size: 2rem; color: #d70000; margin-bottom: 1rem; }
.why-card h5 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.why-card p { font-size: 14px; color: #666; margin: 0; }
.process-flow { display: flex; justify-content: space-between; gap: 15px; padding: 20px 0; margin-top: 15px; }
.process-step { text-align: center; padding: 0; flex: 1; }
.process-num { width: 36px; height: 36px; line-height: 36px; border-radius: 50%; background: #d70000; color: #fff; font-weight: 700; font-size: 14px; margin: 0 auto 10px; }
.process-step h5 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: #333; }
.process-step p { font-size: 12px; color: #888; line-height: 1.6; margin: 0; padding: 0 5px; }
@media (max-width: 991px) {
  .process-flow { flex-wrap: wrap; gap: 20px; padding: 25px 15px; }
  .process-step { width: calc(33.33% - 14px); flex: none; }
}
@media (max-width: 767px) {
  .process-step { width: calc(50% - 10px); }
}

/* ====== product2-box: left sticky nav + right scrollable content ====== */
.product2-box {
  background-color: #f8f8f8;
  padding: 0;
  position: relative;
}
.product2-box .container {
  display: flex;
  justify-content: space-between;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 0.3rem;
}
@media (max-width: 991px) {
  .product2-box .container {
    flex-direction: column;
    padding: 0 0.2rem;
  }
}
/* left nav panel (sticky) */
.product2-box .container .left {
  width: 21.875%;
  padding-left: 30px;
  position: sticky;
  top: 1.5rem;
  align-self: flex-start;
  position: relative;
}
@media (max-width: 991px) {
  .product2-box .container .left { display: none; }
}
.product2-box .container .left::before {
  content: "";
  position: absolute;
  left: 5px;
  width: 3px;
  height: 100%;
  background-color: rgba(0,0,0,0.1);
  border-radius: 0.02rem;
}
.product2-box .container .left .dian {
  position: absolute;
  left: 0;
  top: 8.5px;
  width: 13px;
  height: 13px;
  background-color: #fff;
  border-radius: 50%;
  z-index: 2;
  transition: all 0.5s;
  box-shadow: 0px 0px 6px 0px rgba(0,0,0,0.1);
}
.product2-box .container .left .dian::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  border-radius: 50%;
  background-color: #d70000;
}
.product2-box .container .left .line {
  top: 0;
  position: absolute;
  left: 5px;
  width: 3px;
  height: 15px;
  background-color: #d70000;
  border-radius: 0.02rem;
  transition: all 0.5s;
}
.product2-box .container .left .cn1 {
  line-height: 30px;
  pointer-events: all;
  cursor: pointer;
  margin-top: 35px;
  transition: all 0.5s;
  display: block;
}
.product2-box .container .left .cn1:nth-child(1) {
  margin-top: 0;
}
.product2-box .container .left .cn1.on {
  color: #d70000;
}
/* right content panel */
.product2-box .container .right {
  pointer-events: initial;
  width: 75%;
  padding-top: 0.8rem;
}
@media (max-width: 991px) {
  .product2-box .container .right { width: 100%; }
}
.product2-box .container .right .rightbox1 {
  padding-top: 1rem;
}
.product2-box .container .right .rightbox1.rightbox2 .cn2 {
  margin-bottom: 0.2rem;
}
.product2-box .container .right .rightbox1.rightbox2 .cn8 {
  margin-bottom: 0.4rem;
  color: #666;
  line-height: 1.625em;
}
.product2-box .container .right .rightbox1:nth-child(1) {
  padding-top: 0.6rem;
}
.product2-box .container .right .rightbox1 .cn2 {
  display: flex;
  align-items: center;
  color: #000;
  line-height: 1.3125em;
  margin-top: 0;
  margin-bottom: 0.15rem;
}
.product2-box .container .right .rightbox1 .cn2 span {
  margin-right: 0.1rem;
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background-color: #d70000;
  border-radius: 50%;
}
.product2-box .container .right .rightbox1 .cn3 {
  position: relative;
}
.product2-box .container .right .rightbox1 .cn3 > p {
  margin: 0.8em;
  color:#808080;
}
.product2-box .container .right .rightbox1 .cn3 > p:last-child {
  margin-bottom: 0;
}
.product2-box .container .right .rightbox1 .cn3 > p br {
  display: none;
}
.product2-box .container .right .rightbox1 .prodct2box2swiper .swiper-slide {
  padding-top: 0;
  width: 100% !important;
}
.product2-box .container .right .rightbox1 .prodct2box2swiper .swiper-slide table {
  width: 100% !important;
}
.product2-box .container .right .rightbox1 .prodct2box2swiper {
  overflow: hidden;
  position: relative;
  width: 100%;
}
.product2-box .container .right .rightbox1 .prodct2box2swiper .swiper-slide .img {
  border-radius: 0.2rem;
}
.product2-box .container .right .rightbox1 .prodct2box2swiper .swiper-slide .cn7 {
  padding-right: 0.5rem;
  margin-top: 0.25rem;
  color: #333;
  line-height: 1.5em;
}
.product2-box .container .right .rightbox1 .cn9 {
  display: flex;
  flex-wrap: wrap;
}
@media (max-width: 991px) {
  .product2-box .container .right .rightbox1 .cn9 { justify-content: space-between; }
}
.product2-box .container .right .rightbox1 .cn9 .cn10 {
  height: auto;
  border-radius: 0.2rem;
  margin-right: 0.15rem;
  width: calc((100% - 0.3rem) / 3);
  margin-bottom: 0.15rem;
  background-color: #fff;
  padding: 0.8rem 0.3rem 0.5rem;
}
@media (max-width: 991px) {
  .product2-box .container .right .rightbox1 .cn9 .cn10 {
    width: 48%;
    margin-bottom: 0.3rem;
    margin-right: 0;
  }
}
.product2-box .container .right .rightbox1 .cn9 .cn10:nth-child(3n) {
  margin-right: 0;
}
.product2-box .container .right .rightbox1 .cn9 .cn10 .img {
  text-align: center;
  height: 0.6rem;
}
.product2-box .container .right .rightbox1 .cn9 .cn10 .img img {
  max-height: 100%;
}
.product2-box .container .right .rightbox1 .cn9 .cn10 .line2 {
  width: 0.3rem;
  height: 3px;
  background-color: #d70000;
  margin: 0.15rem auto;
}
.product2-box .container .right .rightbox1 .cn9 .cn10 .cn11 {
  text-align: center;
  color: #333;
  line-height: 1.5em;
}
.product2-box .container .right .rightbox1 .cn9 .cn10 .cn12 {
  text-align: center;
  color: #666;
  line-height: 1.625em;
  margin-top: 0.1rem;
}
/* swiper controls */
.box12 { margin-top: 0.3rem; display: flex; align-items: center; justify-content: space-between; }
.box12 .box10 { flex: 1; position: relative; }
.box12 .box10 .linepage { width: 100%; height: 3px; background: #e5e5e5; border-radius: 2px; }
.box12 .box10 .swiper-scrollbar { position: relative; height: 3px; background: transparent; }
.box12 .box10 .swiper-scrollbar .swiper-scrollbar-drag { background: #d70000; height: 3px; border-radius: 2px; }
.box12 .box13 { display: flex; margin-left: 0.2rem; }
.box12 .box13 .swiperprev, .box12 .box13 .swipernext {
  width: 0.4rem; height: 0.4rem; background: #d70000; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; cursor: pointer; margin-left: 0.1rem;
}
.box12 .box13 .swiperprev img, .box12 .box13 .swipernext img { width: 0.1rem; }
.box12 .box13 .swiperprev { transform: rotate(180deg); }
.swiper-button-disabled { display: none !important; }