.page-product .header {
  background: #fff;
  color: var(--t1);
}

.page-product .logo__face--light {
  opacity: 0;
}

.page-product .logo__face--dark {
  opacity: 1;
}

.prod-banner {
  padding: 0.8rem 0 0;
}

.prod-banner__img {
  display: block;
  width: 100%;
  height: auto;
}

.prod-bar {
  padding: 0.4rem var(--pad-x) 0;
}

.prod-block {
  padding: var(--sec-top) var(--pad-x) 0;
  scroll-margin-top: 1rem;
}

.prod-block--last {
  padding-bottom: var(--sec-bottom);
}

.prod-head h2,
.prod-mill h2 {
  font-size: var(--fs-50);
  font-weight: 600;
  line-height: var(--lh-133);
  text-align: center;
}

.prod-lead {
  margin-top: 0.48rem;
  font-size: var(--fs-18);
  font-weight: 400;
  line-height: var(--lh-18);
  color: var(--t2);
  text-align: center;
}

.prod-more {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.2rem;
  margin-bottom: 0.4rem;
}

.prod-head + .prod-grid-4,
.prod-head + .prod-grid-5,
.prod-head + .prod-grid-2,
.prod-head + .prod-scroll {
  margin-top: 0.4rem;
}

.prod-grid-4,
.prod-grid-5,
.prod-grid-2 {
  display: grid;
  gap: var(--gutter);
}

.prod-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.prod-grid-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

@media (min-width: 769px) {
  .prod-grid-5 .card-c3__media {
    height: 2.7rem;
  }
}

.prod-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prod-scroll {
  width: 100%;
  overflow: hidden;
}

.prod-scroll .swiper-slide {
  width: 5.4rem;
}

.prod-mill {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.prod-mill__text,
.prod-mill__pic {
  width: calc(50% - 0.15rem);
}

.prod-mill h2 {
  text-align: left;
}

.prod-mill__specs {
  margin-top: 0.48rem;
}

.prod-mill__specs li {
  font-size: var(--fs-18);
  font-weight: 300;
  line-height: var(--lh-18);
  color: var(--t2);
}

.prod-mill__specs li + li {
  margin-top: 0.12rem;
}

.prod-mill .link {
  display: inline-block;
  margin-top: 0.48rem;
}

.prod-mill__pic {
  min-height: 4.8rem;
  background: #fff;
  border-radius: var(--r-card);
  overflow: hidden;
}

.prod-mill__pic img,
.card-c3__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.prod-mill + .prod-grid-4 {
  margin-top: 0.4rem;
}

.prod-form {
  padding: var(--sec-top) var(--pad-x) var(--sec-bottom);
  background: var(--bg2);
}

@media (max-width: 768px) {
  .prod-grid-4,
  .prod-grid-5,
  .prod-grid-2,
  .prod-mill {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .prod-mill__text,
  .prod-mill__pic {
    width: 100%;
  }

  .prod-scroll .swiper-slide {
    width: calc(100% - 40px);
  }
}

/* hover 升级：图片缩放 + 下滑提示条 */
.page-product .card-c3__media {
  position: relative;
}

.page-product .card-c3__media img {
  transition: transform var(--dur-3);
}

.page-product .card-c3:not(.is-static):hover .card-c3__media img {
  transform: scale(1.05);
}

.page-product .card-c3__media::after {
  content: "查看详情";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.1rem 0.3rem 0.12rem;
  background: var(--vi);
  color: #fff;
  font-size: var(--fs-14);
  line-height: var(--lh-133);
  text-align: center;
  transform: translateY(100%);
  transition: transform var(--dur-3);
}

.page-product .card-c3:not(.is-static):hover .card-c3__media::after {
  transform: translateY(0);
}

/* 分类条吸顶 */
.page-product .prod-bar {
  position: sticky;
  top: 0.8rem;
  z-index: 90;
  background: #fff;
  padding-bottom: 0.1rem;
}

.page-product .prod-block {
  scroll-margin-top: 1.8rem;
}

/* 轮播箭头：悬停淡入 */
.page-product .prod-scroll {
  --swiper-navigation-size: 0.28rem;
  --swiper-navigation-color: var(--vi);
}

.page-product .prod-scroll .swiper-button-prev,
.page-product .prod-scroll .swiper-button-next {
  opacity: 0;
  transition: opacity var(--dur-3);
}

.page-product .prod-scroll:hover .swiper-button-prev,
.page-product .prod-scroll:hover .swiper-button-next {
  opacity: 1;
}

/* ===== 产品中心视觉升级：分类条 / 背景 / 卡片 / 标题氛围 ===== */
.page-product {
  --prod-bg: #F4F5F7;
  --prod-bg-soft: #FAFBFC;
  --prod-card: #FFFFFF;
  --prod-line: #E8EBEF;
  --prod-line-strong: #DDE2E8;
  --prod-shadow-sm: 0 .02rem .06rem rgba(17, 24, 39, .04);
  --prod-shadow-lg:
    0 .18rem .42rem rgba(17, 24, 39, .10),
    0 .04rem .10rem rgba(17, 24, 39, .05);
  --prod-ease-out: cubic-bezier(.22, 1, .36, 1);
}

body.page-product {
  background-color: var(--prod-bg);
  background-image:
    linear-gradient(rgba(17, 24, 39, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, .018) 1px, transparent 1px),
    radial-gradient(56vw 34vw at 92% 4%, rgba(231, 0, 18, .045), transparent 70%),
    radial-gradient(48vw 30vw at 4% 38%, rgba(100, 116, 139, .08), transparent 72%),
    linear-gradient(180deg, #FFFFFF 0%, #F7F8FA 22%, #F4F5F7 100%);
  background-size:
    .36rem .36rem,
    .36rem .36rem,
    auto,
    auto,
    auto;
  background-repeat: repeat, repeat, no-repeat, no-repeat, no-repeat;
}

.page-product .prod-bar-sentinel {
  display: block;
  height: 1px;
  margin-bottom: -1px;
  pointer-events: none;
}

.page-product .prod-bar {
  position: sticky;
  top: .8rem;
  z-index: 90;
  display: flex;
  align-items: stretch;
  padding: .1rem var(--pad-x) .12rem;
  background: rgba(255, 255, 255, .86);
  border-bottom: 1px solid rgba(17, 24, 39, .06);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: background-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-product .prod-bar.is-stuck {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 .08rem .28rem rgba(17, 24, 39, .06);
}

.page-product .prod-bar a {
  position: relative;
  z-index: 1;
  border-radius: .08rem;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.page-product .prod-bar a span {
  position: relative;
  display: inline-block;
  transition: transform .28s var(--prod-ease-out);
}

.page-product .prod-bar a span::before {
  content: "";
  position: absolute;
  left: -.14rem;
  top: 50%;
  width: .055rem;
  height: .055rem;
  border-radius: 50%;
  background: var(--vi);
  opacity: 0;
  transform: translate3d(.04rem, -50%, 0) scale(.6);
  transition: opacity .18s var(--ease), transform .28s var(--prod-ease-out);
}

.page-product .prod-bar a.is-current {
  background: rgba(231, 0, 18, .06);
  color: var(--vi);
}

.page-product .prod-bar a.is-current span {
  transform: translate3d(0, -.02rem, 0);
}

.page-product .prod-bar a.is-current span::before {
  opacity: 1;
  transform: translate3d(0, -50%, 0) scale(1);
}

.page-product .prod-bar a.is-current span::after {
  content: none;
}

@media (hover: hover) and (pointer: fine) {
  .page-product .prod-bar a:hover {
    background: rgba(231, 0, 18, .05);
  }

  .page-product .prod-bar a:hover span {
    transform: translate3d(0, -.02rem, 0);
  }

  .page-product .prod-bar a:hover span::before {
    opacity: 1;
    transform: translate3d(0, -50%, 0) scale(1);
  }
}

.page-product .prod-bar__ink {
  position: absolute;
  left: 0;
  bottom: .02rem;
  z-index: 2;
  width: 1rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(231, 0, 18, .35), var(--vi));
  transform-origin: 0 50%;
  transform: translate3d(var(--ink-x, 0px), 0, 0) scaleX(var(--ink-s, 0));
  opacity: 0;
  pointer-events: none;
  will-change: transform;
  transition: transform .42s var(--prod-ease-out), opacity .2s var(--ease);
}

.page-product .prod-bar.is-ready .prod-bar__ink {
  opacity: 1;
}

.page-product .prod-banner {
  position: relative;
}

.page-product .prod-banner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: .8rem;
  background: linear-gradient(180deg, rgba(244, 245, 247, 0), var(--prod-bg));
  pointer-events: none;
}

.page-product main {
  counter-reset: prodsec;
}

.page-product .prod-block {
  position: relative;
  counter-increment: prodsec;
}

.page-product .prod-block--tint {
  background:
    radial-gradient(28vw 20vw at 92% 0%, rgba(231, 0, 18, .035), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, .78), rgba(255, 255, 255, 0));
  box-shadow:
    inset 0 1px 0 rgba(17, 24, 39, .045),
    inset 0 -1px 0 rgba(17, 24, 39, .045);
}

.page-product .card-c3 {
  background: var(--prod-card);
  border: 1px solid var(--prod-line);
  box-shadow: var(--prod-shadow-sm);
  transition:
    transform .35s var(--prod-ease-out),
    box-shadow .35s var(--prod-ease-out),
    border-color .25s var(--ease),
    background-color .25s var(--ease);
}

.page-product .card-c3__media {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(115% 110% at 50% 16%, #FFFFFF 0%, #FBFCFD 58%, #F1F3F6 100%);
  border-bottom: 1px solid #F1F3F5;
}

.page-product .card-c3__media img {
  background: transparent;
  mix-blend-mode: multiply;
  transition: transform .5s var(--prod-ease-out);
}

.page-product .card-c3__meta {
  transition: color .25s var(--ease);
}

.page-product .card-c3__title {
  transition: color .25s var(--ease), transform .35s var(--prod-ease-out);
}

.page-product .card-c3__media::after {
  content: "查看详情";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: .1rem .3rem .12rem;
  background-color: var(--vi);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: calc(50% + .42rem) 50%;
  background-size: .14rem .14rem;
  color: #fff;
  font-size: var(--fs-14);
  line-height: var(--lh-133);
  text-align: center;
  text-indent: -.1rem;
  transform: translateY(100%);
  transition:
    transform .38s var(--prod-ease-out),
    background-position .3s var(--prod-ease-out);
}

.page-product .card-c3:not(.is-static):hover .card-c3__media::after,
.page-product .card-c3:focus-within .card-c3__media::after {
  transform: translateY(0);
  background-position: calc(50% + .34rem) 50%;
}

.page-product .card-c3:focus-within {
  border-color: rgba(231, 0, 18, .34);
  box-shadow: 0 0 0 .02rem rgba(231, 0, 18, .22), var(--prod-shadow-lg);
}

@media (hover: hover) and (pointer: fine) {
  .page-product .card-c3:not(.is-static):hover {
    transform: translate3d(0, -.06rem, 0);
    border-color: rgba(231, 0, 18, .28);
    box-shadow: var(--prod-shadow-lg);
  }

  .page-product .card-c3:not(.is-static):hover .card-c3__media img {
    transform: scale(1.06);
  }

  .page-product .card-c3:not(.is-static):hover .card-c3__title {
    color: var(--vi);
    transform: translate3d(.04rem, 0, 0);
  }

  .page-product .card-c3:not(.is-static):hover .card-c3__meta {
    color: var(--t1);
  }
}

.page-product .prod-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .1rem;
}

.page-product .prod-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .08rem;
  font-size: var(--fs-14);
  font-weight: 500;
  letter-spacing: .14em;
  line-height: 1.4;
  color: #8A9099;
  text-transform: uppercase;
}

.page-product .prod-head__num {
  color: var(--vi);
  font-variant-numeric: tabular-nums;
}

.page-product .prod-head__rule {
  width: .44rem;
  height: 2px;
  border-radius: 2px;
  background: var(--vi);
  transform: scaleX(.3);
  opacity: .35;
  transform-origin: center;
  transition:
    transform .7s var(--prod-ease-out),
    opacity .4s var(--ease);
}

.page-product .prod-head.aos-animate .prod-head__rule {
  transform: scaleX(1);
  opacity: 1;
}

.page-product .prod-block::before {
  content: "0" counter(prodsec);
  position: absolute;
  top: calc(var(--sec-top) - .18rem);
  right: var(--pad-x);
  font-size: 2.8rem;
  font-weight: 600;
  line-height: 1;
  color: rgba(17, 24, 39, .045);
  pointer-events: none;
  user-select: none;
}

.page-product .prod-block.is-target .prod-head__rule {
  animation: prod-rule-pop .8s var(--prod-ease-out);
}

@keyframes prod-rule-pop {
  0%   { transform: scaleX(.2); opacity: .4; }
  60%  { transform: scaleX(1.15); opacity: 1; }
  100% { transform: scaleX(1); opacity: 1; }
}

.page-product .prod-form {
  background: #FFFFFF;
  border-top: 1px solid var(--prod-line);
}

.page-product .prod-form .form-card {
  border: 1px solid var(--prod-line);
  box-shadow: var(--prod-shadow-lg);
}

@media (min-width: 1025px) {
  .page-product .prod-block [data-aos="fade-up"]:not(.aos-animate) {
    transform: translate3d(0, .32rem, 0);
  }
}

@media (max-width: 1024px) {
  .page-product .prod-head__rule {
    transform: scaleX(1);
    opacity: 1;
  }

  .page-product .prod-block::before {
    display: none;
  }

  .page-product .prod-bar {
    background: rgba(255, 255, 255, .96);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (max-width: 768px) {
  body.page-product {
    background-image:
      radial-gradient(90vw 60vw at 100% 0%, rgba(231, 0, 18, .04), transparent 70%),
      linear-gradient(180deg, #FFFFFF 0%, #F7F8FA 22%, #F4F5F7 100%);
    background-size: auto, auto;
    background-repeat: no-repeat, no-repeat;
  }

  .page-product .prod-bar {
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .page-product .prod-bar::-webkit-scrollbar {
    display: none;
  }

  .page-product .prod-bar a {
    flex: 0 0 auto;
    padding-left: .09rem;
    padding-right: .09rem;
  }

  .page-product .prod-bar a span {
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-product .prod-bar__ink,
  .page-product .prod-bar a span,
  .page-product .prod-bar a span::before,
  .page-product .card-c3,
  .page-product .card-c3__media img,
  .page-product .card-c3__title,
  .page-product .card-c3__meta,
  .page-product .card-c3__media::after,
  .page-product .prod-head__rule,
  .page-product .prod-block [data-aos] {
    transition: none !important;
    animation: none !important;
  }

  .page-product .card-c3:hover {
    transform: none;
  }

  .page-product .card-c3:hover .card-c3__media img {
    transform: none;
  }
}