/* ===== 页面专属：服务项目 (page-products) ===== */
.page-products {
  --module-gap: 2rem;
  --tabs-gap: 0.5rem;
  --card-min-height: 280px;
  --compare-handle-size: 32px;
  --download-card-min-width: 260px;
  color: var(--text-white);
  background-color: var(--bg-black);
}

/* ---- 面包屑 ---- */
.page-products .breadcrumb {
  padding-top: calc(var(--nav-height) + 1.5rem);
  padding-bottom: 0.25rem;
  font-family: var(--font-body);
  font-size: var(--small-size);
  color: var(--muted-gray);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
}
.page-products .breadcrumb a {
  color: var(--muted-gray);
  text-decoration: none;
  transition: color var(--transition-base);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--gold);
  outline: none;
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--gold);
  font-weight: 700;
}

/* ---- 首屏标题 ---- */
.page-products .hero-section {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}
.page-products .hero-title {
  font-family: var(--font-heading);
  font-size: var(--h1-size);
  line-height: 1.1;
  color: var(--gold);
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.page-products .hero-desc {
  font-family: var(--font-body);
  font-size: var(--body-size);
  color: var(--text-white);
  max-width: 700px;
  line-height: 1.6;
  margin: 0 0 1.5rem;
  opacity: 0.85;
}
.page-products .hero-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
}

/* ---- 通用章节标题与描述 ---- */
.page-products .section-title {
  font-family: var(--font-heading);
  font-size: var(--h2-size);
  color: var(--gold);
  margin: 0 0 0.6rem;
  letter-spacing: 0.01em;
  position: relative;
  display: inline-block;
}
.page-products .section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 1px;
}
.page-products .section-desc {
  font-family: var(--font-body);
  font-size: var(--body-size);
  color: var(--text-white);
  line-height: 1.6;
  max-width: 680px;
  margin: 0.8rem 0 2rem;
  opacity: 0.8;
}

/* ---- 区块间距 ---- */
.page-products .nav-modules-section,
.page-products .compare-section,
.page-products .download-section {
  padding-top: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}
.page-products .nav-modules-section:last-of-type,
.page-products .compare-section:last-of-type,
.page-products .download-section:last-of-type {
  border-bottom: none;
}

/* ===== 标签页 (电脑看导航) ===== */
.page-products .tabs-container {
  margin-top: 1.5rem;
}

/* 隐藏 radio */
.page-products .tabs-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* 标签导航 */
.page-products .tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tabs-gap);
  position: relative;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  padding-bottom: 0;
  margin-bottom: 1.8rem;
}
.page-products .tabs-label {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--muted-gray);
  cursor: pointer;
  transition: color var(--transition-base), background-color var(--transition-base);
  border-radius: var(--radius-capsule) var(--radius-capsule) 0 0;
  position: relative;
  user-select: none;
}
.page-products .tabs-label:hover,
.page-products .tabs-label:focus-visible {
  color: var(--gold-light);
  outline: none;
  background-color: rgba(212, 175, 55, 0.06);
}
.page-products .tabs-radio:checked + .tabs-label {
  color: var(--gold);
}
.page-products .tabs-indicator {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--gold);
  border-radius: 2px 2px 0 0;
  transition: left 0.3s ease, width 0.3s ease;
  pointer-events: none;
}

/* 5个tab指示器位置 —— 靠radio:checked定位 */
.page-products #tab-mod1:checked ~ .tabs-indicator { left: 0%; width: 20%; }
.page-products #tab-mod2:checked ~ .tabs-indicator { left: 20%; width: 20%; }
.page-products #tab-mod3:checked ~ .tabs-indicator { left: 40%; width: 20%; }
.page-products #tab-mod4:checked ~ .tabs-indicator { left: 60%; width: 20%; }
.page-products #tab-mod5:checked ~ .tabs-indicator { left: 80%; width: 20%; }

/* 面板容器 */
.page-products .tabs-panels {
  position: relative;
}

/* 面板默认隐藏，选中时显示 */
.page-products .tabs-panel {
  display: none;
  animation: tabs-fade-in 0.35s ease;
}
@keyframes tabs-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-products #tab-mod1:checked ~ .tabs-panels #panel-mod1,
.page-products #tab-mod2:checked ~ .tabs-panels #panel-mod2,
.page-products #tab-mod3:checked ~ .tabs-panels #panel-mod3,
.page-products #tab-mod4:checked ~ .tabs-panels #panel-mod4,
.page-products #tab-mod5:checked ~ .tabs-panels #panel-mod5 {
  display: block;
}

/* 模块卡片布局 */
.page-products .module-card {
  display: flex;
  flex-wrap: wrap;
  gap: var(--module-gap);
  align-items: center;
  background-color: var(--surface-dark);
  border: var(--gold-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-float);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.page-products .module-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.12);
}
.page-products .module-info {
  flex: 1 1 280px;
  min-width: 220px;
}
.page-products .module-name {
  font-family: var(--font-heading);
  font-size: var(--h3-size);
  color: var(--gold);
  margin: 0 0 0.5rem;
}
.page-products .module-desc {
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.6;
  color: var(--text-white);
  opacity: 0.85;
  margin: 0 0 1rem;
}
.page-products .module-meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
}
.page-products .module-meta li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--small-size);
  color: var(--muted-gray);
}
.page-products .meta-label {
  font-family: var(--font-heading);
  color: var(--gold-light);
  opacity: 0.7;
}
.page-products .meta-value {
  font-family: var(--font-body);
  color: var(--text-white);
}
.page-products .module-visual {
  flex: 0 0 auto;
  max-width: 400px;
  width: 100%;
}
.page-products .module-img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(212, 175, 55, 0.15);
  object-fit: cover;
  background-color: var(--bg-black);
}

/* ===== 版本比对 (对比滑块) ===== */
.page-products .compare-slider-container {
  margin: 1.8rem 0 2rem;
  position: relative;
}

.page-products .compare-slider-track {
  position: relative;
  display: flex;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: var(--gold-border);
  background-color: var(--surface-dark);
  min-height: 340px;
}

.page-products .compare-panel {
  flex: 1 1 50%;
  padding: 1.2rem 1rem 1.5rem;
  position: relative;
  transition: flex-basis 0.15s ease;
}
.page-products .compare-panel + .compare-panel {
  border-left: 1px solid rgba(212, 175, 55, 0.15);
}
.page-products .compare-label {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-products .compare-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--gold);
}
.page-products .compare-visual {
  margin-bottom: 1rem;
}
.page-products .compare-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  border-radius: 6px;
  background-color: var(--bg-black);
  border: 1px solid rgba(212, 175, 55, 0.08);
}
.page-products .compare-diff-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-products .compare-diff-list li {
  font-family: var(--font-body);
  font-size: var(--small-size);
  color: var(--text-white);
  line-height: 1.5;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  opacity: 0.85;
}
.page-products .diff-icon {
  color: var(--gold);
  font-size: 0.6rem;
  flex-shrink: 0;
}

/* 手柄装饰 */
.page-products .compare-handle {
  display: none;
}

/* range滑块控制比例 */
.page-products .compare-range-wrap {
  padding: 1rem 0 0.5rem;
  text-align: center;
}
.page-products .compare-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  max-width: 500px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  outline: none;
  cursor: pointer;
  transition: opacity var(--transition-base);
}
.page-products .compare-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: var(--compare-handle-size);
  height: var(--compare-handle-size);
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--bg-black);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
  cursor: pointer;
  transition: transform 0.2s ease;
}
.page-products .compare-range::-webkit-slider-thumb:hover {
  transform: scale(1.12);
}
.page-products .compare-range::-moz-range-thumb {
  width: var(--compare-handle-size);
  height: var(--compare-handle-size);
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--bg-black);
  cursor: pointer;
}

/* 差异总结 */
.page-products .compare-summary {
  background-color: var(--surface-dark);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.8rem;
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-products .compare-summary-title {
  font-family: var(--font-heading);
  font-size: var(--h3-size);
  color: var(--gold);
  margin: 0;
  flex: 0 0 100%;
}
.page-products .compare-summary p {
  flex: 1 1 280px;
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.6;
  color: var(--text-white);
  opacity: 0.85;
  margin: 0;
}
.page-products .compare-summary .btn {
  flex: 0 0 auto;
}

/* ===== 资源下载 (卡片网格) ===== */
.page-products .download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--download-card-min-width), 1fr));
  gap: 1.8rem;
  margin-top: 1rem;
}
.page-products .download-card {
  background-color: var(--surface-dark);
  border: var(--gold-border);
  border-radius: var(--radius-card);
  padding: 1.8rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}
.page-products .download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--dark-red), var(--gold));
  opacity: 0.6;
}
.page-products .download-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(212, 175, 55, 0.1);
}
.page-products .card-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}
.page-products .card-icon {
  display: block;
  width: auto;
  max-width: 80px;
  height: auto;
  object-fit: contain;
  background-color: transparent;
}
.page-products .download-card .card-icon {
  max-width: 80px;
}
.page-products .download-card:nth-child(2) .card-icon {
  max-width: 100px;
}
.page-products .download-card:nth-child(3) .card-icon {
  max-width: 70px;
}
.page-products .card-title {
  font-family: var(--font-heading);
  font-size: var(--h3-size);
  color: var(--gold);
  margin: 0 0 0.6rem;
  text-align: center;
}
.page-products .card-desc {
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.6;
  color: var(--text-white);
  opacity: 0.8;
  margin: 0 0 1rem;
  flex: 1;
}
.page-products .card-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: var(--small-size);
  color: var(--muted-gray);
  border-top: 1px solid rgba(212, 175, 55, 0.08);
  padding-top: 0.8rem;
}
.page-products .card-meta li {
  font-family: var(--font-body);
  line-height: 1.5;
}
.page-products .download-card .btn {
  align-self: stretch;
  text-align: center;
}

/* ---- 按钮 ---- */
.page-products .btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--gold);
  background-color: transparent;
  border: 1px solid var(--gold);
  border-radius: var(--radius-capsule);
  text-decoration: none;
  transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
  cursor: pointer;
  text-align: center;
}
.page-products .btn:hover,
.page-products .btn:focus-visible {
  background-color: var(--gold);
  color: var(--bg-black);
  transform: scale(1.02);
  outline: none;
}
.page-products .btn-primary {
  background-color: var(--dark-red);
  border-color: var(--dark-red);
  color: var(--gold);
}
.page-products .btn-primary:hover,
.page-products .btn-primary:focus-visible {
  background-color: var(--red-light);
  border-color: var(--red-light);
  color: var(--gold-light);
}

/* ---- 相关链接 ---- */
.page-products .related-links-section {
  padding-top: 2rem;
  padding-bottom: 3rem;
}
.page-products .related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.8rem;
  font-family: var(--font-body);
  font-size: var(--body-size);
  color: var(--text-white);
  padding: 1rem 1.2rem;
  background-color: var(--surface-dark);
  border-radius: var(--radius-card);
  border: 1px solid rgba(212, 175, 55, 0.08);
}
.page-products .related-label {
  font-family: var(--font-heading);
  color: var(--gold);
  opacity: 0.8;
}
.page-products .related-link {
  color: var(--gold-light);
  text-decoration: none;
  transition: color var(--transition-base);
}
.page-products .related-link:hover,
.page-products .related-link:focus-visible {
  color: var(--gold);
  text-decoration: underline;
  outline: none;
}
.page-products .related-sep {
  color: var(--muted-gray);
  font-size: var(--small-size);
}

/* ===== 响应式 ===== */
/* 窄屏 (移动端优先) */
@media (max-width: 767px) {
  .page-products .hero-title {
    font-size: 2rem;
  }
  .page-products .section-title {
    font-size: 1.6rem;
  }
  .page-products .tabs-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
  }
  .page-products .tabs-nav::-webkit-scrollbar {
    display: none;
  }
  .page-products .tabs-label {
    padding: 0.5rem 0.9rem;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .page-products #tab-mod1:checked ~ .tabs-indicator,
  .page-products #tab-mod2:checked ~ .tabs-indicator,
  .page-products #tab-mod3:checked ~ .tabs-indicator,
  .page-products #tab-mod4:checked ~ .tabs-indicator,
  .page-products #tab-mod5:checked ~ .tabs-indicator {
    display: none;
  }
  .page-products .module-card {
    flex-direction: column;
    padding: 1rem;
  }
  .page-products .module-visual {
    max-width: 100%;
  }
  .page-products .module-img {
    max-width: 100%;
  }
  .page-products .compare-panel {
    padding: 0.8rem 0.6rem 1rem;
  }
  .page-products .compare-label {
    font-size: 1rem;
  }
  .page-products .compare-img {
    max-height: 120px;
  }
  .page-products .compare-diff-list li {
    font-size: 0.75rem;
  }
  .page-products .compare-summary {
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
  }
  .page-products .compare-summary .btn {
    align-self: flex-start;
  }
  .page-products .download-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .page-products .download-card {
    padding: 1.2rem 1rem 1rem;
  }
  .page-products .related-links {
    font-size: var(--small-size);
    padding: 0.8rem 1rem;
  }
}

/* 桌面 */
@media (min-width: 768px) {
  .page-products .hero-title {
    font-size: 3.2rem;
  }
  .page-products .section-title {
    font-size: 2.4rem;
  }
  .page-products .module-card {
    flex-wrap: nowrap;
    padding: 1.8rem 2rem;
  }
  .page-products .compare-slider-track {
    min-height: 380px;
  }
  .page-products .compare-img {
    max-height: 220px;
  }
  .page-products .download-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 大屏微调 */
@media (min-width: 1100px) {
  .page-products .hero-title {
    font-size: var(--h1-size);
  }
  .page-products .section-title {
    font-size: var(--h2-size);
  }
  .page-products .compare-slider-track {
    min-height: 420px;
  }
  .page-products .compare-img {
    max-height: 260px;
  }
}