/* ===== .page-products 专属样式 ===== */
.page-products {
  --page-glow: rgba(218, 165, 32, 0.1);
  --page-gold-line: rgba(184, 134, 11, 0.3);
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  margin-bottom: 18px;
  font-size: 13px;
}

.page-products .breadcrumb__divider {
  color: var(--text-label);
}

.page-products .breadcrumb__link--current {
  color: var(--text-body);
}

/* 首屏帮助窗口 */
.page-products .help-window {
  border: 1px solid var(--border-gold);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 76px;
  background:
    var(--golden-surface),
    rgba(18, 18, 18, 0.85);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(218, 165, 32, 0.12);
}

.page-products .help-window__chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(44, 44, 44, 0.92);
  border-bottom: 1px solid var(--border-gold);
}

.page-products .help-window__dots {
  display: inline-flex;
  gap: 7px;
}

.page-products .help-window__dots i {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-red);
}

.page-products .help-window__dots i:nth-child(2) {
  background: var(--c-gold-deep);
}

.page-products .help-window__dots i:nth-child(3) {
  background: var(--c-yellow);
}

.page-products .help-window__address {
  flex: 1;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-label);
  background: rgba(18, 18, 18, 0.65);
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .help-window__inner {
  display: grid;
  gap: 28px;
  padding: clamp(20px, 4vw, 40px);
}

.page-products .help-window__head {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .help-window__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--c-bone);
  margin: 0;
}

.page-products .help-window__subline {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: 0.08em;
  color: var(--c-gold-light);
  margin: -8px 0 0;
}

.page-products .help-window__desc {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
  max-width: 56ch;
  margin: 0;
}

.page-products .help-window__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.page-products .help-window__stats .metric-panel {
  background: rgba(18, 18, 18, 0.5);
  border: 1px solid var(--border-gold);
  padding: 12px 16px;
  border-radius: 8px;
  min-width: 90px;
}

.page-products .help-window__stats .metric-value {
  color: var(--c-yellow);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 26px;
}

.page-products .help-window__stats .metric-label {
  color: var(--text-label);
  font-size: 12px;
}

/* 章节标题细调 */
.page-products .chapter-heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 30px;
}

.page-products .chapter-heading__text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* 核心功能布局 */
.page-products .func-layout {
  display: grid;
  gap: 20px;
}

.page-products .func-nav {
  display: grid;
  gap: 10px;
}

.page-products .func-nav__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid var(--border-gold);
  border-left: 3px solid var(--c-gold-deep);
  background:
    linear-gradient(145deg, rgba(184, 134, 11, 0.08), transparent 70%),
    rgba(18, 18, 18, 0.5);
  border-radius: 0 8px 8px 0;
  color: var(--text-body);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-products .func-nav__item:hover {
  border-left-color: var(--c-yellow);
  transform: translateX(3px);
  background:
    linear-gradient(145deg, rgba(184, 134, 11, 0.14), transparent 70%),
    rgba(18, 18, 18, 0.72);
}

.page-products .func-nav__icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(184, 134, 11, 0.12);
  color: var(--c-gold-light);
}

.page-products .func-nav__name {
  flex: 1;
  color: var(--c-bone);
}

.page-products .func-nav__meta {
  font-size: 11px;
  color: var(--text-label);
  font-weight: 400;
  border: 1px solid rgba(184, 134, 11, 0.2);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-products .func-panel {
  display: grid;
  gap: 16px;
}

.page-products .func-panel__block {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--border-gold);
  border-top: 3px solid var(--c-gold-deep);
  background:
    linear-gradient(145deg, rgba(44, 44, 44, 0.6), rgba(18, 18, 18, 0.88));
  border-radius: 0 12px 12px 0;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .func-panel__block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 24px;
  width: 42px;
  height: 1px;
  background: var(--c-yellow);
  box-shadow: 0 0 8px 1px rgba(255, 215, 0, 0.35);
}

.page-products .func-panel__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 20px;
  color: var(--c-bone);
  margin: 0 0 10px;
}

.page-products .func-panel__intro {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0 0 14px;
  max-width: 62ch;
}

.page-products .func-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .func-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-body);
}

.page-products .func-panel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--c-gold-deep);
}

.page-products .media-frame--side {
  margin-top: 18px;
}

.page-products .media-frame img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 使用指南步骤流 */
.page-products .step-flow {
  display: grid;
  gap: 18px;
}

.page-products .step-flow__item {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid var(--border-gold);
  border-radius: 12px;
  background:
    var(--golden-surface),
    rgba(18, 18, 18, 0.6);
  transition: border-color 0.2s ease;
}

.page-products .step-flow__item:hover {
  border-color: rgba(184, 134, 11, 0.7);
}

.page-products .step-flow__num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 54px;
  line-height: 1;
  background: linear-gradient(135deg, var(--c-gold-light), var(--c-gold-deep) 65%, var(--c-red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

.page-products .step-flow__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--c-bone);
  margin: 0 0 10px;
}

.page-products .step-flow__text {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-body);
  margin: 0;
}

/* 数据服务特色 */
.page-products .data-showcase {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-products .data-showcase__lead {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-bone);
  border-left: 3px solid var(--c-red);
  padding-left: 16px;
  margin: 0 0 18px;
}

.page-products .data-showcase__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .data-showcase__list li {
  padding: 14px 16px;
  background: rgba(18, 18, 18, 0.5);
  border: 1px solid rgba(184, 134, 11, 0.2);
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-body);
}

.page-products .data-showcase__list strong {
  display: block;
  color: var(--c-gold-light);
  font-size: 12px;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}

.page-products .metric-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .metric-summary__item {
  font-size: 13px;
  color: var(--text-label);
  background: rgba(139, 0, 0, 0.14);
  border: 1px solid rgba(139, 0, 0, 0.35);
  padding: 8px 14px;
  border-radius: 999px;
}

.page-products .metric-summary__item b {
  color: var(--c-yellow);
  font-family: var(--font-serif);
  font-size: 17px;
  margin-right: 4px;
}

/* 数据更新链路 */
.page-products .update-path {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin: 28px 0 16px;
  padding: 20px;
  border: 1px dashed var(--border-gold);
  border-radius: 12px;
  background: rgba(18, 18, 18, 0.4);
}

.page-products .update-path__node {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .update-path__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-gold-deep);
  box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.15);
  flex-shrink: 0;
}

.page-products .update-path__label {
  font-size: 13px;
  color: var(--text-body);
  font-weight: 600;
}

.page-products .update-path__line {
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--c-gold-deep), transparent);
  margin-left: 6px;
}

/* 版本与兼容 */
.page-products .ver-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 28px;
}

.page-products .ver-grid .info-card {
  padding: 24px;
  border: 1px solid var(--border-gold);
  border-left: 3px solid var(--c-red);
  border-radius: 0 12px 12px 0;
  background: linear-gradient(135deg, rgba(44, 44, 44, 0.65), rgba(18, 18, 18, 0.85));
}

.page-products .ver-grid .info-card__title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 900;
  color: var(--c-gold-light);
  margin: 0 0 10px;
}

.page-products .info-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
}

.page-products .version-line {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 32px 0;
}

.page-products .version-line__item {
  padding: 16px 14px;
  text-align: center;
  border: 1px solid rgba(184, 134, 11, 0.25);
  background: rgba(18, 18, 18, 0.5);
  border-radius: 10px;
}

.page-products .version-line__year {
  display: block;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 22px;
  color: var(--c-yellow);
  margin-bottom: 4px;
}

.page-products .version-line__label {
  display: block;
  font-size: 12px;
  color: var(--text-label);
}

/* 信任条 */
.page-products .trust-strip {
  margin: 36px 0 0;
  padding: 28px;
  border: 1px solid var(--border-gold);
  background:
    linear-gradient(135deg, rgba(139, 0, 0, 0.2), transparent 45%),
    rgba(18, 18, 18, 0.72);
  border-radius: 14px;
  text-align: center;
}

.page-products .trust-strip__text {
  max-width: 72ch;
  margin: 0 auto 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .trust-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* ===== 响应式 ===== */
@media (min-width: 980px) {
  .page-products .help-window__inner {
    grid-template-columns: 1fr 1.25fr;
    align-items: center;
  }

  .page-products .func-layout {
    grid-template-columns: 264px 1fr;
    gap: 28px;
    align-items: start;
  }

  .page-products .func-nav {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .step-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-products .step-flow__item:nth-child(2) {
    transform: translateY(20px);
  }

  .page-products .data-showcase {
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
  }

  .page-products .update-path {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0;
  }

  .page-products .update-path__line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--c-gold-deep), var(--c-gold-light));
    opacity: 0.4;
    margin: 0 14px;
  }

  .page-products .update-path__label {
    color: var(--c-bone);
    font-size: 14px;
    white-space: nowrap;
  }

  .page-products .version-line {
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    position: relative;
  }

  .page-products .version-line::before {
    content: "";
    position: absolute;
    top: 32px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, var(--c-gold-deep), var(--c-yellow), var(--c-gold-deep));
    opacity: 0.28;
    border-radius: 2px;
  }

  .page-products .version-line__item {
    background: transparent;
    border: none;
    border-radius: 0;
  }

  .page-products .version-line__item::after {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    margin: 12px auto 0;
    border-radius: 50%;
    background: var(--c-gold-deep);
    box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.12);
  }
}

@media (min-width: 860px) {
  .page-products .ver-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}