/* ===== 解决方案页面专属样式 ===== */
.page-products {
  --tilt: -2deg;
  --card-bg: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: hidden;
  font-family: var(--font-body);
}

.page-products .container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 16px;
}

.page-products .section-pad {
  padding-block: 48px 64px;
}

.page-products .breadcrumb {
  padding-top: 20px;
  font-size: 14px;
}

/* 眉题与章节标题 */
.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-data);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-cta);
  flex-shrink: 0;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.2;
  font-style: italic;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

.page-products .section-desc {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 32px;
}

/* 首屏 */
.page-products .solutions-hero {
  position: relative;
  padding-block: 40px 64px;
  overflow: hidden;
}

.page-products .solutions-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -40%;
  width: 90%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,107,44,0.18) 0%, rgba(255,225,53,0.05) 40%, rgba(10,27,43,0) 80%);
  transform: skewX(-12deg);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  border-inline: 1px solid var(--c-line);
}

.page-products .solutions-hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cta), transparent);
}

.page-products .solutions-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .solutions-hero__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(36px, 10vw, 76px);
  line-height: 1.05;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.page-products .solutions-hero__title span {
  color: var(--c-cta);
  display: block;
}

.page-products .solutions-hero__lead {
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 32px;
  border-left: 3px solid var(--c-warn);
  padding-left: 16px;
}

.page-products .solutions-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding-block: 18px;
  max-width: 640px;
}

.page-products .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .hero-stat__num {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--c-warn);
  line-height: 1;
}

.page-products .hero-stat__label {
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

.page-products .solutions-hero__index {
  position: absolute;
  right: 4%;
  bottom: 24px;
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  line-height: 0.8;
  color: rgba(255,255,255,0.04);
  pointer-events: none;
  user-select: none;
}

/* 模块总览 */
.page-products .module-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  position: relative;
}

.page-products .module-map__grid::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cta) 20%, var(--c-line) 50%, var(--c-cta) 80%, transparent);
  z-index: 0;
  opacity: 0.3;
  display: none;
}

.page-products .module-card {
  position: relative;
  z-index: 1;
  background: var(--card-bg);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cta);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.page-products .module-card:nth-child(2) { border-top-color: var(--c-warn); }
.page-products .module-card:nth-child(3) { border-top-color: var(--c-data); }
.page-products .module-card:nth-child(4) { border-top-color: var(--c-cta); }
.page-products .module-card:nth-child(5) { border-top-color: var(--c-warn); }

.page-products .module-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-cta), var(--c-warn));
  opacity: 0.6;
}

.page-products .module-card:hover,
.page-products .module-card:focus-within {
  border-color: rgba(255,107,44,0.7);
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,107,44,0.04) 100%);
}

.page-products .module-card:hover {
  transform: translateY(-3px);
}

.page-products .module-card__num {
  font-family: var(--font-mono);
  font-size: 44px;
  line-height: 1;
  color: var(--c-cta);
  opacity: 0.9;
}

.page-products .module-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  line-height: 1.4;
}

.page-products .module-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-muted);
  margin: 0;
  flex-grow: 1;
}

.page-products .module-card .link-arrow {
  font-size: 13px;
  color: var(--c-data);
  text-decoration: none;
  transition: color .2s;
}

.page-products .module-card .link-arrow::after {
  content: "→";
  margin-left: 6px;
  display: inline-block;
  transition: transform .2s;
}

.page-products .module-card .link-arrow:hover {
  color: var(--c-warn);
}

.page-products .module-card .link-arrow:hover::after {
  transform: translateX(4px);
}

/* OB客户端导航列表 */
.page-products .nav-detail {
  border-top: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(18,42,64,0.18) 0%, rgba(10,27,43,0) 40%);
}

.page-products .nav-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .nav-tree {
  border: 1px solid var(--c-line);
  background: rgba(18,42,64,0.35);
  padding: 24px;
  display: grid;
  gap: 22px;
  position: relative;
}

.page-products .nav-tree::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(46,74,98,0.5);
  pointer-events: none;
}

.page-products .nav-tree::after {
  content: "NAV";
  position: absolute;
  right: 12px;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(0,229,255,0.4);
}

.page-products .nav-tree__branch {
  position: relative;
  padding-left: 16px;
}

.page-products .nav-tree__branch::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--c-line);
}

.page-products .nav-tree__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-warn);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .nav-tree__label::before {
  content: "▶";
  font-size: 9px;
  color: var(--c-cta);
}

.page-products .nav-tree__leaves {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .nav-tree__leaves li {
  margin: 0;
}

.page-products .nav-tree__tag {
  display: inline-block;
  border: 1px solid var(--c-line);
  padding: 5px 12px;
  font-size: 13px;
  color: var(--c-text);
  background: rgba(255,255,255,0.03);
  transition: border-color .2s, color .2s, background .2s;
}

.page-products .nav-tree__tag:hover,
.page-products .nav-tree__tag:focus {
  border-color: var(--c-cta);
  color: var(--c-warn);
  background: rgba(255,107,44,0.08);
}

/* 图片容器微调 */
.page-products .img-frame {
  aspect-ratio: auto;
  margin: 0;
  align-self: center;
}

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

.page-products figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  padding-top: 10px;
  border-top: 1px solid var(--c-line);
  margin-top: 12px;
}

/* 会员中心 */
.page-products .member-panel {
  background: linear-gradient(180deg, rgba(18,42,64,0.22) 0%, rgba(10,27,43,0) 60%);
  border-block: 1px solid var(--c-line);
}

.page-products .member-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-products .member-panel__lead {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
  border-right: 2px solid var(--c-line);
  padding-right: 18px;
}

.page-products .function-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
}

.page-products .function-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  border: 1px solid rgba(46,74,98,0.6);
  padding: 16px;
  background: var(--card-bg);
  transition: border-color .2s, transform .2s;
}

.page-products .function-list li:hover,
.page-products .function-list li:focus-within {
  border-color: var(--c-cta);
  transform: translateX(4px);
}

.page-products .function-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-data);
  padding-top: 4px;
}

.page-products .function-list h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-products .function-list p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
  margin: 0;
}

/* 新旧版对照 */
.page-products .dual-version__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  position: relative;
}

.page-products .version-card {
  border: 1px solid var(--c-line);
  padding: 24px 20px;
  background: rgba(18,42,64,0.3);
  position: relative;
}

.page-products .version-card--classic {
  border-right-width: 2px;
}

.page-products .version-card__badge {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-bg);
  background: var(--c-muted);
  padding: 4px 10px;
}

.page-products .version-card--new .version-card__badge {
  background: var(--c-cta);
  color: #FFFFFF;
}

.page-products .version-card h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  margin: 14px 0 12px;
}

.page-products .version-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .version-card li {
  padding-left: 18px;
  position: relative;
  font-size: 14px;
  color: var(--c-muted);
}

.page-products .version-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--c-data);
  transform: rotate(45deg);
}

.page-products .dual-version__note {
  position: relative;
  margin-top: 24px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-warn);
  padding: 20px;
  background: linear-gradient(135deg, rgba(255,225,53,0.06) 0%, rgba(10,27,43,0) 70%);
}

.page-products .dual-version__note-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  margin: 0 0 8px;
}

.page-products .dual-version__note p:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  margin: 0;
}

.page-products .dual-version__figure,
.page-products .update-live__figure {
  margin-top: 24px;
}

/* 移动端优先 */
.page-products .mobile-first {
  border-top: 1px solid var(--c-line);
}

.page-products .mobile-first__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-products .mobile-first__lead {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-products .mobile-features {
  list-style: none;
  padding: 0;
  margin: 24px 0 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .mobile-features__item {
  border: 1px solid var(--c-line);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(18,42,64,0.2);
  transition: border-color .2s;
}

.page-products .mobile-features__item:hover {
  border-color: var(--c-warn);
}

.page-products .mobile-features__num {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--c-warn);
  line-height: 1;
}

.page-products .mobile-features__item > span:nth-of-type(2) {
  font-size: 14px;
  font-weight: 600;
}

.page-products .mobile-features__item em {
  font-style: normal;
  font-size: 12px;
  color: var(--c-muted);
}

/* 数据更新频率 */
.page-products .update-live {
  background: linear-gradient(180deg, rgba(10,27,43,0) 0%, rgba(18,42,64,0.35) 100%);
  border-top: 1px solid var(--c-line);
}

.page-products .update-live__list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-products .update-live__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

.page-products .update-live__dot {
  width: 8px;
  height: 8px;
  background: var(--c-data);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.page-products .update-live__label {
  font-size: 13px;
  color: var(--c-muted);
  margin-right: auto;
}

.page-products .update-live__value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-text);
}

/* 底部内链 */
.page-products .solutions-foot {
  border-top: 1px solid var(--c-line);
}

.page-products .solutions-foot__inner {
  text-align: center;
}

.page-products .solutions-foot .eyebrow {
  justify-content: center;
}

.page-products .solutions-foot__title {
  font-family: var(--font-display);
  font-size: 32px;
  font-style: italic;
  margin: 0 0 12px;
}

.page-products .solutions-foot p {
  color: var(--c-muted);
  font-size: 15px;
  max-width: 480px;
  margin-inline: auto;
}

.page-products .solutions-foot__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

/* 桌面增强 */
@media (min-width: 640px) {
  .page-products .container {
    padding-inline: 24px;
  }

  .page-products .section-pad {
    padding-block: 64px 80px;
  }

  .page-products .solutions-hero__title {
    font-size: clamp(44px, 8vw, 76px);
  }

  .page-products .module-map__grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-products .module-card {
    grid-column: span 2;
  }

  .page-products .mobile-features {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .update-live__list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .module-card:nth-child(2),
  .page-products .module-card:nth-child(4) {
    transform: translateY(28px);
  }

  .page-products .module-card:nth-child(2):hover,
  .page-products .module-card:nth-child(4):hover {
    transform: translateY(24px);
  }

  .page-products .module-card:nth-child(1):hover,
  .page-products .module-card:nth-child(3):hover,
  .page-products .module-card:nth-child(5):hover {
    transform: translateY(-4px);
  }

  .page-products .module-map__grid::before {
    display: block;
  }

  .page-products .nav-detail__grid {
    grid-template-columns: 5fr 4fr;
    gap: 32px;
  }

  .page-products .member-panel__grid {
    grid-template-columns: 4fr 3fr;
    gap: 48px;
  }

  .page-products .dual-version__columns {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-products .dual-version__columns::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--c-cta), var(--c-line), var(--c-line), transparent);
    opacity: 0.5;
  }

  .page-products .mobile-first__grid {
    grid-template-columns: 7fr 8fr;
    gap: 48px;
  }

  .page-products .solutions-hero {
    padding-block: 56px 80px;
  }

  .page-products .solutions-hero::before {
    right: -10%;
    width: 72%;
  }

  .page-products .solutions-hero__index {
    font-size: 160px;
  }

  .page-products .section-title {
    font-size: 34px;
  }

  .page-products .solutions-foot__title {
    font-size: 36px;
  }
}