.page-products {
  --prod-pad: 20px;
  --prod-radius: 18px;
  background: var(--gch-navy);
  color: var(--gch-mist);
  overflow-x: hidden;
}

.page-products .gch-breadcrumb {
  padding-top: 18px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.prod-hero {
  position: relative;
  padding: 18px 0 38px;
  overflow: hidden;
}

.prod-hero__shape {
  position: absolute;
  top: -110px;
  right: -130px;
  width: 300px;
  height: 300px;
  background: linear-gradient(140deg, rgba(242, 183, 5, 0.3), rgba(31, 200, 219, 0.14) 58%, transparent 78%);
  border-radius: 44% 56% 38% 62% / 58% 42% 58% 42%;
  transform: rotate(22deg);
  pointer-events: none;
}

.prod-hero__shape--b {
  top: auto;
  bottom: -150px;
  right: auto;
  left: -140px;
  width: 260px;
  height: 260px;
  background: linear-gradient(320deg, rgba(61, 240, 165, 0.16), rgba(19, 41, 75, 0) 72%);
  transform: rotate(-14deg);
}

.prod-hero__inner {
  position: relative;
  z-index: 1;
}

.prod-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 0;
  font-family: var(--gch-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gch-steel);
  text-transform: uppercase;
}

.prod-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gch-gold);
  box-shadow: 0 0 0 4px rgba(242, 183, 5, 0.16);
}

.prod-hero__title {
  margin: 16px 0 0;
  font-family: var(--gch-font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.6vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
  max-width: 16em;
}

.prod-hero__title em {
  font-style: normal;
  color: var(--gch-gold);
  display: inline-block;
  position: relative;
}

.prod-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(230, 237, 247, 0.82);
}

.prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.prod-hero__stat {
  padding-left: 12px;
  border-left: 2px solid rgba(242, 183, 5, 0.5);
}

.prod-hero__stat b {
  display: block;
  font-family: var(--gch-font-mono);
  font-size: 22px;
  line-height: 1.2;
  color: var(--gch-gold-2);
}

.prod-hero__stat span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gch-steel);
}

/* ---------- 索引条 ---------- */
.prod-index {
  border-top: 1px solid var(--gch-line);
  border-bottom: 1px solid var(--gch-line);
  background: rgba(19, 41, 75, 0.6);
}

.prod-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.prod-index__list::-webkit-scrollbar {
  display: none;
}

.prod-index__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.prod-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--gch-line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--gch-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--gch-ease), color 0.2s var(--gch-ease), background-color 0.2s var(--gch-ease);
}

.prod-index__link:hover,
.prod-index__link:focus-visible {
  border-color: var(--gch-gold);
  color: var(--gch-gold);
  background: rgba(242, 183, 5, 0.08);
}

.prod-index__no {
  font-family: var(--gch-font-mono);
  font-size: 11px;
  color: var(--gch-gold);
}

.prod-index__link:hover .prod-index__no,
.prod-index__link:focus-visible .prod-index__no {
  color: var(--gch-gold-2);
}

/* ---------- 功能带 ---------- */
.prod-band {
  position: relative;
  padding: 44px 0;
  border-bottom: 1px solid var(--gch-line);
}

.prod-band:nth-of-type(even) {
  background: linear-gradient(180deg, rgba(19, 41, 75, 0.42), rgba(11, 27, 51, 0));
}

.prod-band__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 14px;
  margin-bottom: 24px;
}

.prod-band__no {
  font-family: var(--gch-font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: rgba(242, 183, 5, 0.3);
  -webkit-text-stroke: 1px var(--gch-gold);
  letter-spacing: 0.02em;
}

.prod-band__headtext {
  min-width: 0;
}

.prod-band__title {
  margin: 0;
  font-family: var(--gch-font-display);
  font-weight: 900;
  font-size: clamp(22px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.prod-band__lede {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(230, 237, 247, 0.8);
  max-width: 58ch;
}

.prod-band__head .gch-tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 2px;
}

.prod-band__grid {
  display: grid;
  gap: 22px;
}

.prod-band__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--gch-line);
  border-radius: var(--prod-radius);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(19, 41, 75, 0.9), rgba(11, 27, 51, 0.9));
}

.prod-band__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 0 var(--gch-gold);
  transition: box-shadow 0.3s var(--gch-ease);
  pointer-events: none;
}

.prod-band__media:hover::after {
  box-shadow: inset 0 0 0 2px var(--gch-gold);
}

.prod-band__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s var(--gch-ease);
}

.prod-band__media:hover img {
  transform: scale(1.03);
}

.prod-band__body {
  min-width: 0;
}

/* ---------- 标签页 ---------- */
.prod-tabs .gch-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.prod-tabs .gch-tabs__btn {
  padding: 7px 14px;
  border: 1px solid var(--gch-line);
  border-radius: 999px;
  background: transparent;
  color: var(--gch-mist);
  font-family: var(--gch-font-body);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s var(--gch-ease), color 0.2s var(--gch-ease), background-color 0.2s var(--gch-ease);
}

.prod-tabs .gch-tabs__btn:hover {
  border-color: var(--gch-cyan);
  color: var(--gch-cyan);
}

.prod-tabs .gch-tabs__btn[aria-selected="true"] {
  border-color: var(--gch-gold);
  background: rgba(242, 183, 5, 0.12);
  color: var(--gch-gold-2);
}

.prod-tabs .gch-tabs__panel p {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid rgba(31, 200, 219, 0.5);
  background: rgba(19, 41, 75, 0.5);
  border-radius: 0 var(--gch-radius-sm) var(--gch-radius-sm) 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(230, 237, 247, 0.86);
}

/* ---------- 参数列表 ---------- */
.prod-spec {
  margin: 18px 0 0;
}

.prod-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--gch-line);
}

.prod-spec__row:first-child {
  border-top: 1px dashed var(--gch-line);
}

.prod-spec dt {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gch-steel);
}

.prod-spec dd {
  margin: 0;
  font-family: var(--gch-font-body);
  font-size: 13.5px;
  text-align: right;
  color: var(--gch-mist);
}

.prod-spec dd .gch-num {
  font-family: var(--gch-font-mono);
  color: var(--gch-mint);
}

/* ---------- 田径周更列表 ---------- */
.prod-track {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.prod-track__item {
  padding: 14px 16px;
  border: 1px solid var(--gch-line);
  border-radius: var(--gch-radius-sm);
  background: rgba(19, 41, 75, 0.45);
  transition: border-color 0.2s var(--gch-ease), transform 0.2s var(--gch-ease);
}

.prod-track__item:hover {
  border-color: rgba(61, 240, 165, 0.55);
  transform: translateX(3px);
}

.prod-track__key {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(61, 240, 165, 0.14);
  font-family: var(--gch-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gch-mint);
}

.prod-track__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(230, 237, 247, 0.84);
}

/* ---------- 网球双场地 ---------- */
.prod-courts {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
}

.prod-courts::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gch-cyan), rgba(31, 200, 219, 0.1));
  border-radius: 2px;
}

.prod-courts__item {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--gch-line);
  border-radius: var(--gch-radius-sm);
  background: rgba(19, 41, 75, 0.45);
  transition: border-color 0.2s var(--gch-ease);
}

.prod-courts__item::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gch-navy);
  border: 2px solid var(--gch-cyan);
}

.prod-courts__item:hover {
  border-color: rgba(31, 200, 219, 0.6);
}

.prod-courts__no {
  font-family: var(--gch-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gch-cyan);
}

.prod-courts__name {
  margin: 4px 0 6px;
  font-family: var(--gch-font-display);
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
}

.prod-courts__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(230, 237, 247, 0.82);
}

/* ---------- 同步清单 ---------- */
.prod-sync {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.prod-sync__item {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  line-height: 1.74;
  color: rgba(230, 237, 247, 0.82);
}

.prod-sync__item strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gch-gold-2);
}

.prod-sync__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--gch-gold);
  transform: rotate(45deg);
}

/* ---------- 适合谁用 ---------- */
.prod-audience {
  padding: 46px 0 8px;
}

.prod-audience__head {
  margin-bottom: 22px;
}

.prod-audience__eyebrow {
  margin: 0;
  font-family: var(--gch-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gch-gold);
}

.prod-audience__title {
  margin: 10px 0 0;
  font-family: var(--gch-font-display);
  font-weight: 900;
  font-size: clamp(22px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.prod-audience__grid {
  display: grid;
  gap: 14px;
}

.prod-path {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--gch-line);
  border-radius: var(--prod-radius);
  background: rgba(19, 41, 75, 0.5);
  transition: border-color 0.24s var(--gch-ease), transform 0.24s var(--gch-ease);
}

.prod-path:hover {
  transform: translateY(-3px);
}

.prod-path--gold:hover { border-color: rgba(242, 183, 5, 0.7); }
.prod-path--mint:hover { border-color: rgba(61, 240, 165, 0.7); }
.prod-path--cyan:hover { border-color: rgba(31, 200, 219, 0.7); }

.prod-path__no {
  display: inline-block;
  font-family: var(--gch-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.prod-path--gold .prod-path__no { color: var(--gch-gold); }
.prod-path--mint .prod-path__no { color: var(--gch-mint); }
.prod-path--cyan .prod-path__no { color: var(--gch-cyan); }

.prod-path__name {
  margin: 8px 0 8px;
  font-family: var(--gch-font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: #ffffff;
}

.prod-path p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: rgba(230, 237, 247, 0.8);
}

.prod-path__links {
  margin-top: 12px !important;
}

/* ---------- 收束 ---------- */
.prod-cta {
  padding: 40px 0 56px;
}

.prod-cta__inner {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  border: 1px solid var(--gch-line-strong);
  border-radius: var(--prod-radius);
  background:
    radial-gradient(circle at 88% 12%, rgba(242, 183, 5, 0.16), transparent 58%),
    linear-gradient(140deg, rgba(19, 41, 75, 0.95), rgba(11, 27, 51, 0.95));
}

.prod-cta__title {
  margin: 0;
  font-family: var(--gch-font-display);
  font-weight: 900;
  font-size: clamp(20px, 5.2vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.prod-cta__text p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(230, 237, 247, 0.82);
  max-width: 54ch;
}

.prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products {
    --prod-pad: 32px;
  }

  .prod-hero {
    padding: 26px 0 52px;
  }

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

  .prod-index__list {
    flex-wrap: wrap;
    overflow: visible;
  }

  .prod-band {
    padding: 56px 0;
  }

  .prod-band__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    margin-bottom: 30px;
  }

  .prod-band__head .gch-tag {
    grid-column: 3;
    margin-top: 0;
  }

  .prod-band__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 28px;
    align-items: start;
  }

  .prod-band--flip .prod-band__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .prod-band--flip .prod-band__media {
    order: 2;
  }

  .prod-band--flip .prod-band__body {
    order: 1;
  }

  .prod-audience {
    padding: 60px 0 10px;
  }

  .prod-audience__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .prod-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 34px 30px;
  }

  .prod-cta__actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1080px) {
  .prod-hero__shape {
    width: 420px;
    height: 420px;
    top: -140px;
    right: -90px;
  }

  .prod-hero__shape--b {
    width: 340px;
    height: 340px;
    left: -110px;
  }

  .prod-band__lede {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .prod-band__media img,
  .prod-track__item,
  .prod-path {
    transition: none;
  }

  .prod-band__media:hover img {
    transform: none;
  }

  .prod-track__item:hover,
  .prod-path:hover {
    transform: none;
  }
}