/* ===== 客户端下载页 · 产品说明书布局样式 ===== */
.page-products {
  --page-pad: clamp(20px, 4vw, 48px);
  --section-gap: 96px;
  --section-gap-m: 72px;
  --slant: 8px;
  position: relative;
  padding-top: 8px;
}

/* 面包屑 */
.page-products .breadcrumb {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

/* 页面头部 */
.page-products .products-head {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px var(--page-pad) 44px;
}

.page-products .products-head::after {
  content: "";
  position: absolute;
  left: var(--page-pad);
  bottom: -2px;
  width: 76px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-gold));
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--slant)) 100%, 0 100%);
}

.page-products .products-head__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  letter-spacing: 0.08em;
}

.page-products .products-head__tag::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transform: skewX(-14deg);
}

.page-products .page-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  max-width: 780px;
  text-transform: uppercase;
  margin: 0;
}

.page-products .products-head__lead {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.75;
  max-width: 680px;
}

/* 核心功能概览 */
.page-products .products-overview {
  position: relative;
  overflow: hidden;
  padding: var(--section-gap-m) 0;
  background: linear-gradient(180deg, var(--secondary-bg) 0%, rgba(13, 42, 79, 0.4) 100%);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.page-products .products-overview__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.18;
  pointer-events: none;
}

.page-products .products-overview__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .products-overview__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.page-products .products-overview__head {
  margin-bottom: 40px;
}

.page-products .products-overview__head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-products .products-overview__head p {
  margin-top: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-products .products-overview__grid {
  gap: 20px;
}

/* 功能卡片 */
.page-products .products-feature {
  position: relative;
  background: var(--surface-glass);
  border: 1px solid var(--border-line);
  border-radius: 4px;
  padding: 24px 22px 26px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.page-products .products-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-green), rgba(0, 230, 118, 0.1));
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}

.page-products .products-feature:hover {
  border-color: var(--accent-green);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), 0 0 24px rgba(0, 230, 118, 0.08);
}

.page-products .products-feature:hover::before {
  transform: scaleY(1);
}

.page-products .products-feature__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 24px;
  padding: 0 9px;
  margin-bottom: 14px;
  background: var(--hover-mask);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-products .products-feature__body h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1.4;
}

.page-products .products-feature__body p {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* 产品说明书主体：下载方式 + 功能列表 */
.page-products .products-manual {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-gap-m) var(--page-pad);
}

.page-products .products-manual > h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-products .products-manual > h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: 12px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-gold));
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-products .products-manual__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 36px;
}

/* 下载二维码卡片 */
.page-products .products-download__code {
  position: relative;
  padding: 36px 28px 32px;
  background: var(--secondary-bg);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  text-align: center;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.page-products .products-download__code::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 230, 118, 0.09), transparent 70%);
  pointer-events: none;
}

.page-products .products-download__code:hover {
  border-color: var(--accent-green);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 32px rgba(0, 230, 118, 0.08);
  transform: translateY(-2px);
}

.page-products .products-download__img {
  position: relative;
  display: block;
  max-width: 200px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 4px;
  border: 1px solid var(--border-line);
  background: #fff;
  transition: transform 0.3s ease;
}

.page-products .products-download__code:hover .products-download__img {
  transform: scale(1.02);
}

.page-products .products-download__note {
  position: relative;
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .products-download__btn {
  position: relative;
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

/* 功能操作列表 */
.page-products .products-guide {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .products-guide__item {
  position: relative;
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-line);
  transition: background 0.25s ease;
}

.page-products .products-guide__item:last-child {
  border-bottom: none;
}

.page-products .products-guide__item:hover {
  background: var(--hover-mask);
}

.page-products .products-guide__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-gold);
  line-height: 1.75;
  letter-spacing: 0.04em;
}

.page-products .products-guide__body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.5;
}

.page-products .products-guide__body p {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* App界面示意区 */
.page-products .products-app {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-gap-m) var(--page-pad);
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-products .products-app__frame {
  max-width: 280px;
  margin: 0 auto;
  padding: 12px 8px 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-line);
  border-radius: 32px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-products .products-app__frame:hover {
  border-color: rgba(0, 230, 118, 0.5);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35), 0 0 40px rgba(0, 230, 118, 0.08);
}

.page-products .products-app__frame::after {
  content: "";
  display: block;
  width: 42%;
  height: 4px;
  margin: 14px auto 0;
  background: var(--border-line);
  border-radius: 2px;
}

.page-products .products-app__screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  object-fit: cover;
}

.page-products .products-app__content h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--text-primary);
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.3;
}

.page-products .products-app__content > p {
  margin-top: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.page-products .products-app__points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.page-products .products-app__points li {
  position: relative;
  padding: 12px 0 12px 32px;
  border-bottom: 1px dashed var(--border-line);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
}

.page-products .products-app__points li:last-child {
  border-bottom: none;
}

.page-products .products-app__points li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 19px;
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transform: skewX(-16deg);
}

.page-products .products-app__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 28px;
  padding: 20px 0 0;
  border-top: 1px solid var(--border-line);
}

.page-products .products-app__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 80px;
}

.page-products .products-app__stat .data-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.02em;
}

.page-products .products-app__stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 多联赛切换区 */
.page-products .products-league {
  position: relative;
  padding: var(--section-gap-m) var(--page-pad);
  background: linear-gradient(90deg, rgba(13, 42, 79, 0.6), rgba(13, 42, 79, 0.2));
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.page-products .products-league__media figure {
  margin: 0;
}

.page-products .products-league__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border-line);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-products .products-league__media img:hover {
  border-color: var(--accent-green);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.page-products .products-league__media figcaption {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font-mono);
  text-align: right;
}

.page-products .products-league__content h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--text-primary);
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.3;
}

.page-products .products-league__content > p {
  margin-top: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.page-products .products-league__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-products .products-league__stats {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.page-products .products-league__stats .data-num {
  color: var(--accent-gold);
  font-weight: 600;
}

/* 版本更新说明区 */
.page-products .products-version {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-gap-m) var(--page-pad);
}

.page-products .products-version__head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-products .products-version__head p {
  margin-top: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-products .products-compare {
  margin: 32px 0 40px;
  padding: 16px;
  background: var(--surface-glass);
  border: 1px solid var(--border-line);
  border-radius: 4px;
  transition: border-color 0.3s ease;
}

.page-products .products-compare:hover {
  border-color: rgba(255, 215, 0, 0.4);
}

.page-products .products-compare img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-products .products-compare figcaption {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 13px;
  text-align: center;
  font-family: var(--font-mono);
}

/* 版本折叠面板 */
.page-products .products-version__history {
  border: 1px solid var(--border-line);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(13, 42, 79, 0.35);
}

.page-products .products-history {
  border-bottom: 1px solid var(--border-line);
}

.page-products .products-history:last-child {
  border-bottom: none;
}

.page-products .products-history summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  transition: background 0.25s ease, color 0.25s ease;
  user-select: none;
}

.page-products .products-history summary::-webkit-details-marker {
  display: none;
}

.page-products .products-history summary:hover {
  background: var(--hover-mask);
}

.page-products .products-history summary::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--accent-green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transform: skewX(-16deg);
  transition: background 0.2s ease;
}

.page-products .products-history summary::after {
  content: "+";
  margin-left: auto;
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.page-products .products-history[open] summary {
  background: var(--hover-mask);
}

.page-products .products-history[open] summary::after {
  transform: rotate(45deg);
}

.page-products .products-history[open] summary::before {
  background: var(--accent-gold);
}

.page-products .products-history__list {
  list-style: none;
  padding: 8px 20px 20px 40px;
  margin: 0;
}

.page-products .products-history__list li {
  position: relative;
  padding: 8px 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .products-history__list li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--accent-gold);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* 兼容性说明区 */
.page-products .products-compat {
  padding: var(--section-gap-m) var(--page-pad);
  background: linear-gradient(180deg, rgba(13, 42, 79, 0.55), rgba(13, 42, 79, 0.1));
  border-top: 1px solid var(--border-line);
}

.page-products .products-compat__head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-products .products-compat__head p {
  margin-top: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-products .products-compat__grid {
  margin-top: 36px;
  gap: 24px;
}

.page-products .products-compat__item {
  padding: 24px;
  background: var(--surface-glass);
  border: 1px solid var(--border-line);
  border-radius: 4px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-products .products-compat__item:hover {
  border-color: rgba(0, 230, 118, 0.55);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.page-products .products-compat__label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--text-primary);
}

.page-products .products-compat__label .data-num {
  color: var(--accent-green);
  font-size: 16px;
  font-weight: 700;
}

.page-products .products-compat__bar {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  position: relative;
}

.page-products .products-compat__bar span {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-gold));
}

.page-products .products-compat__item p {
  margin-top: 14px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* 相关链接 */
.page-products .products-related {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px var(--page-pad) 88px;
}

.page-products .products-related h2 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-products .products-related__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-products .products-related__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--surface-glass);
  border: 1px solid var(--border-line);
  border-radius: 2px;
  color: var(--text-primary);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.page-products .products-related__link::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transform: skewX(-16deg);
  transition: background 0.2s ease;
}

.page-products .products-related__link:hover {
  background: var(--hover-mask);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.page-products .products-related__link:hover::before {
  background: var(--accent-gold);
}

/* 平板与桌面断点 */
@media (min-width: 640px) {
  .page-products .products-download__img {
    max-width: 240px;
  }

  .page-products .products-app__stats {
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-products .products-manual__layout {
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .products-app {
    grid-template-columns: 300px 1fr;
    gap: 64px;
  }

  .page-products .products-app__frame {
    max-width: 300px;
  }

  .page-products .products-league {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .page-products .products-compat__item {
    padding: 28px;
  }
}

@media (min-width: 1200px) {
  .page-products .products-head {
    padding-top: 64px;
  }

  .page-products .products-manual__layout {
    grid-template-columns: 360px 1fr;
    gap: 64px;
  }

  .page-products .products-guide__item {
    padding: 24px 16px;
  }
}