.page-products {
  --products-neon-soft: rgba(57, 255, 20, 0.12);
  --products-orange-soft: rgba(255, 107, 53, 0.14);
  --products-line: rgba(208, 217, 224, 0.32);
  font-family: var(--font-body);
  background: var(--c-navy);
  overflow-x: hidden;
}

.page-products .container {
  max-width: var(--container-w);
  padding-left: 20px;
  padding-right: 20px;
  margin: 0 auto;
}

/* ===== 下载主入口 ===== */
.page-products .down-hero {
  position: relative;
  background: var(--c-navy);
  padding: 56px 0 72px;
  overflow: hidden;
}

.page-products .down-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: repeating-linear-gradient(
    -35deg,
    transparent 0px,
    transparent 14px,
    rgba(57, 255, 20, 0.08) 14px,
    rgba(57, 255, 20, 0.08) 16px
  );
  transform: rotate(8deg);
  pointer-events: none;
}

.page-products .down-hero::after {
  content: "";
  position: absolute;
  bottom: 24px;
  left: -60px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 107, 53, 0.25);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .down-hero__glow {
  position: absolute;
  top: 10%;
  left: 38%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(57, 255, 20, 0.09) 0%, transparent 70%);
  pointer-events: none;
}

.page-products .down-hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

/* 下载卡片 */
.page-products .down-card {
  position: relative;
  background: var(--c-paper);
  border-radius: var(--radius-lg);
  padding: 28px 24px 24px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  transform: rotate(-1.2deg);
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-products .down-card:hover {
  transform: rotate(-0.4deg) translateY(-4px);
  box-shadow: 0 24px 56px rgba(57, 255, 20, 0.16);
}

.page-products .down-card__stripe {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-orange));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-products .down-card__icon {
  display: block;
  width: 128px;
  height: 128px;
  margin: 0 auto 16px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(11, 29, 43, 0.2);
}

.page-products .down-card__badge {
  text-align: center;
  margin-bottom: 10px;
}

.page-products .down-card__platform {
  font-size: 13px;
  color: var(--c-ink);
  text-align: center;
  margin: 0 0 18px;
  opacity: 0.8;
  letter-spacing: 0.02em;
}

.page-products .down-card__btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-products .down-card__btn:active {
  transform: scale(0.96);
}

.page-products .down-card__btn-arrow {
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.page-products .down-card__btn:hover .down-card__btn-arrow {
  transform: translateX(4px);
}

.page-products .down-card__qr {
  margin-top: 18px;
  padding: 16px 8px 8px;
  border-top: 1px dashed rgba(29, 29, 27, 0.18);
  text-align: center;
}

.page-products .down-card__qr img {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto 8px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-products .down-card__qr p {
  font-size: 13px;
  color: var(--c-ink);
  opacity: 0.7;
  margin: 0;
}

/* 下载主入口内容 */
.page-products .down-hero__content {
  color: var(--c-white);
}

.page-products .down-hero__breadcrumb {
  margin-bottom: 20px;
}

.page-products .down-hero__breadcrumb a {
  color: var(--c-neon);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.page-products .down-hero__breadcrumb a:hover {
  opacity: 0.75;
}

.page-products .down-hero__breadcrumb .breadcrumb__sep {
  margin: 0 6px;
  color: rgba(255, 255, 255, 0.45);
}

.page-products .down-hero__breadcrumb [aria-current="page"] {
  color: var(--c-grayblue);
}

.page-products .down-hero__kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-neon);
  margin: 0 0 12px;
}

.page-products .down-hero__title {
  font-family: var(--font-head);
  font-size: 2.6rem;
  line-height: 1.14;
  color: var(--c-white);
  margin: 0 0 16px;
  word-break: break-word;
}

.page-products .down-hero__title-accent {
  display: inline-block;
  position: relative;
  color: var(--c-neon);
}

.page-products .down-hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 3px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-orange));
  border-radius: 2px;
}

.page-products .down-hero__lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-grayblue);
  max-width: 540px;
  margin: 0 0 24px;
}

.page-products .down-hero__points {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .down-hero__point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--products-neon-soft);
  border-left: 3px solid var(--c-neon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-products .down-hero__point-num {
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--c-neon);
  flex-shrink: 0;
  line-height: 1.6;
}

.page-products .down-hero__point-body strong {
  display: block;
  font-size: 15px;
  color: var(--c-white);
  margin-bottom: 3px;
}

.page-products .down-hero__point-body span {
  font-size: 13px;
  color: var(--c-grayblue);
  line-height: 1.5;
}

.page-products .down-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 功能亮点 ===== */
.page-products .feature-panel {
  background: var(--c-paper);
  padding: 72px 0;
  position: relative;
}

.page-products .feature-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-orange));
  opacity: 0.85;
}

.page-products .feature-panel__header {
  margin-bottom: 44px;
}

.page-products .feature-panel__desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink);
  opacity: 0.82;
  max-width: 560px;
  margin-top: 12px;
}

.page-products .feature-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-products .feature-panel__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(11, 29, 43, 0.2);
}

.page-products .feature-panel__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-products .feature-panel__visual:hover img {
  transform: scale(1.02);
}

.page-products .feature-panel__badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: var(--c-navy);
  color: var(--c-neon);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 32px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  letter-spacing: 0.03em;
}

.page-products .feature-panel__items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .feature-item {
  display: flex;
  gap: 16px;
  background: var(--c-white);
  border: 1px solid var(--c-grayblue);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-products .feature-item:hover {
  border-color: var(--c-neon);
  box-shadow: 0 6px 18px rgba(57, 255, 20, 0.18);
  transform: translateX(4px);
}

.page-products .feature-item__index {
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--c-orange);
  flex-shrink: 0;
  min-width: 26px;
  line-height: 1.3;
}

.page-products .feature-item__title {
  font-size: 17px;
  font-family: var(--font-head);
  color: var(--c-navy);
  margin: 0 0 6px;
}

.page-products .feature-item__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink);
  opacity: 0.78;
  margin: 0;
}

/* ===== 平板适配 ===== */
.page-products .tablet-panel {
  background: var(--c-navy);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.page-products .tablet-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border: 2px solid rgba(57, 255, 20, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .tablet-panel::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 30%;
  width: 180px;
  height: 180px;
  background: repeating-linear-gradient(
    45deg,
    transparent 0px,
    transparent 10px,
    rgba(255, 107, 53, 0.08) 10px,
    rgba(255, 107, 53, 0.08) 12px
  );
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-products .tablet-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-products .tablet-panel__intro .section-subtitle {
  color: var(--c-neon);
}

.page-products .tablet-panel__intro .section-title {
  color: var(--c-white);
}

.page-products .tablet-panel__lead {
  color: var(--c-grayblue);
  font-size: 15px;
  line-height: 1.65;
  margin: 12px 0 24px;
  max-width: 380px;
}

.page-products .tablet-panel__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 420px;
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.4);
}

.page-products .tablet-panel__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: opacity 0.35s ease;
}

.page-products .tablet-panel__visual:hover img {
  opacity: 0.86;
}

.page-products .tablet-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .tablet-panel__item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(208, 217, 224, 0.2);
  border-radius: var(--radius-md);
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.page-products .tablet-panel__item:hover {
  background: rgba(57, 255, 20, 0.07);
  border-color: var(--c-neon);
  transform: translateX(-4px);
}

.page-products .tablet-panel__num {
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--c-orange);
  flex-shrink: 0;
  min-width: 24px;
}

.page-products .tablet-panel__item-body h3 {
  font-size: 16px;
  color: var(--c-white);
  margin: 0 0 5px;
  font-family: var(--font-head);
}

.page-products .tablet-panel__item-body p {
  font-size: 14px;
  line-height: 1.58;
  color: var(--c-grayblue);
  margin: 0;
  opacity: 0.86;
}

/* ===== 安装步骤 ===== */
.page-products .install-panel {
  background: var(--c-white);
  padding: 72px 0;
}

.page-products .install-panel__header {
  margin-bottom: 44px;
}

.page-products .install-panel__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .install-step {
  position: relative;
  background: var(--c-paper);
  border-radius: var(--radius-md);
  padding: 24px 22px 22px 76px;
  border: 1px solid var(--c-grayblue);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-products .install-step:nth-child(even) {
  transform: translateX(12px);
}

.page-products .install-step:hover {
  transform: translateX(2px);
  box-shadow: 0 8px 24px rgba(11, 29, 43, 0.1);
}

.page-products .install-step:nth-child(even):hover {
  transform: translateX(14px);
}

.page-products .install-step__num {
  position: absolute;
  left: 20px;
  top: 22px;
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--c-orange);
  background: var(--c-white);
  border: 2px solid var(--c-orange);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-products .install-step__title {
  font-size: 17px;
  color: var(--c-navy);
  font-family: var(--font-head);
  margin: 0 0 8px;
}

.page-products .install-step__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink);
  opacity: 0.78;
  margin: 0;
}

.page-products .install-panel__help {
  margin-top: 32px;
  padding: 16px 20px;
  background: var(--c-paper);
  border-left: 4px solid var(--c-neon);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink);
}

/* ===== 版本历史 ===== */
.page-products .version-panel {
  background: var(--c-navy);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.page-products .version-panel::before {
  content: "";
  position: absolute;
  top: -40px;
  left: -40px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(255, 107, 53, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .version-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-products .version-panel__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.35);
}

.page-products .version-panel__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-products .version-panel__visual:hover img {
  transform: scale(1.02);
}

.page-products .version-panel__header .section-subtitle {
  color: var(--c-neon);
}

.page-products .version-panel__header .section-title {
  color: var(--c-white);
}

.page-products .version-list {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.page-products .version-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(208, 217, 224, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-products .version-item:hover,
.page-products .version-item[open] {
  background: rgba(57, 255, 20, 0.05);
  border-color: var(--c-neon);
}

.page-products .version-item__summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .version-item__summary::-webkit-details-marker {
  display: none;
}

.page-products .version-item__label {
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--c-neon);
  background: rgba(57, 255, 20, 0.1);
  border-radius: 4px;
  padding: 4px 10px;
}

.page-products .version-item__meta {
  font-size: 12px;
  color: var(--c-orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-products .version-item__title {
  flex: 1;
  font-size: 15px;
  color: var(--c-white);
  opacity: 0.92;
  text-align: right;
}

.page-products .version-item__detail {
  margin: 0;
  padding: 0 18px 16px;
  list-style: none;
}

.page-products .version-item__detail li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-grayblue);
  margin-bottom: 6px;
}

.page-products .version-item__detail li:last-child {
  margin-bottom: 0;
}

.page-products .version-item__detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--c-orange);
  border-radius: 1px;
}

.page-products .version-panel__more {
  margin-top: 24px;
  display: inline-flex;
}

/* ===== 响应式增强 ===== */
@media (min-width: 640px) {
  .page-products .down-hero__title {
    font-size: 3.4rem;
  }

  .page-products .feature-panel__items {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .install-panel__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .install-step:nth-child(even) {
    transform: translateY(12px);
  }

  .page-products .install-step:nth-child(even):hover {
    transform: translateY(8px);
  }

  .page-products .tablet-panel__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .down-hero {
    padding: 72px 0 96px;
  }

  .page-products .down-hero__layout {
    grid-template-columns: 420px 1fr;
    gap: 56px;
    align-items: center;
  }

  .page-products .down-card {
    max-width: 100%;
  }

  .page-products .down-hero__title {
    font-size: 4.2rem;
    line-height: 1.08;
  }

  .page-products .down-hero__lead {
    font-size: 16px;
  }

  .page-products .feature-panel__grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 48px;
    align-items: center;
  }

  .page-products .tablet-panel__grid {
    grid-template-columns: 0.82fr 1.18fr;
    gap: 56px;
    align-items: center;
  }

  .page-products .tablet-panel__list {
    grid-template-columns: 1fr;
  }

  .page-products .version-panel__grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 56px;
    align-items: start;
  }

  .page-products .version-panel__visual {
    position: sticky;
    top: var(--header-h);
  }
}

@media (min-width: 1200px) {
  .page-products .down-hero__title {
    font-size: 4.8rem;
  }

  .page-products .down-hero__point {
    padding: 16px 20px;
  }
}