.page-products {
  --pf-gap: clamp(28px, 4.4vw, 64px);
  --pf-soft: rgba(255, 122, 41, .10);
  --pf-ring: rgba(255, 122, 41, .07);
  color: var(--c-text);
}

/* 面包屑条 */
.page-products .pf-breadcrumb-bar {
  border-bottom: 1px solid var(--c-line);
  background: rgba(14, 27, 51, .74);
  padding: 13px 0;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
}

.page-products .breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--c-celadon);
}

.page-products .breadcrumb li[aria-current="page"] {
  color: var(--c-text);
}

/* 首屏 */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(1100px 430px at 88% -12%, rgba(63, 169, 142, .16), transparent 62%),
    linear-gradient(168deg, #16253F 0%, #0E1B33 64%);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -42%;
  right: 4%;
  width: 34%;
  height: 196%;
  transform: rotate(13deg);
  background: linear-gradient(180deg, rgba(255, 122, 41, .22), rgba(255, 178, 122, .04) 58%, transparent);
  pointer-events: none;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(230, 233, 239, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(230, 233, 239, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(158deg, #000 0%, transparent 74%);
  mask-image: linear-gradient(158deg, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-products .pf-hero-inner {
  position: relative;
  z-index: 1;
  min-width: 0;
  padding-top: clamp(50px, 8vw, 96px);
  padding-bottom: clamp(42px, 6vw, 76px);
  overflow-wrap: anywhere;
}

.page-products .pf-eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 178, 122, .42);
  border-radius: var(--radius);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-signal-soft);
}

.page-products .pf-hero h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 46px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: .004em;
  color: #FFFFFF;
}

.page-products .pf-hero-lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(230, 233, 239, .88);
}

.page-products .pf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-products .pf-hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
}

@media (min-width: 640px) {
  .page-products .pf-hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-products .pf-hero-stats dt {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-products .pf-hero-stats dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text);
}

/* 主体布局 */
.page-products .pf-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.6vw, 54px);
  padding-top: clamp(40px, 6vw, 74px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-products .pf-flow {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-products .pf-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 92px);
  }

  .page-products .pf-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

/* 页内索引 */
.page-products .pf-index {
  min-width: 0;
}

.page-products .pf-index-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-muted);
}

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

.page-products .toc-link {
  display: block;
  padding: 6px 12px;
  border: 1px solid var(--c-line-2);
  border-radius: 999px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--c-muted);
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-products .toc-link:hover {
  color: var(--c-text);
  border-color: var(--c-text);
}

.page-products .toc-link.is-active {
  color: var(--c-celadon);
  border-color: var(--c-celadon);
}

@media (min-width: 1024px) {
  .page-products .pf-index-list {
    flex-direction: column;
    gap: 0;
  }

  .page-products .toc-link {
    padding: 9px 4px 9px 16px;
    border: 0;
    border-left: 2px solid var(--c-line-2);
    border-radius: 0;
    font-size: 14px;
  }

  .page-products .toc-link:hover {
    color: var(--c-text);
    border-left-color: var(--c-text);
  }

  .page-products .toc-link.is-active {
    color: var(--c-celadon);
    border-left-color: var(--c-celadon);
  }
}

.page-products .pf-index-note {
  display: none;
}

@media (min-width: 1024px) {
  .page-products .pf-index-note {
    display: block;
    margin: 22px 0 0;
    padding-top: 16px;
    border-top: 1px dashed var(--c-line-2);
    font-size: 13px;
    line-height: 1.8;
    color: var(--c-muted);
  }
}

/* 章节骨架 */
.page-products .pf-sec {
  padding-top: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--c-line);
}

.page-products .pf-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pf-sec-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-celadon);
}

.page-products .pf-sec-title {
  margin: 0 0 16px;
  max-width: 34ch;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.38;
}

.page-products .pf-sec-lead {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: rgba(230, 233, 239, .82);
}

/* 图片 */
.page-products .pf-figure {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-plate);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

/* 功能分区 */
.page-products .pf-zones {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 700px) {
  .page-products .pf-zones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pf-zone {
  position: relative;
  min-width: 0;
  padding: 22px 22px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(29, 46, 76, .88), rgba(22, 37, 63, .7));
  transition: border-color .24s var(--ease);
}

.page-products .pf-zone::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--c-celadon);
  opacity: .55;
}

.page-products .pf-zone:hover {
  border-color: var(--c-line-2);
}

.page-products .pf-zone-idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-muted);
}

.page-products .pf-zone-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pf-zone-text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(230, 233, 239, .78);
}

.page-products .pf-zone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-zone-tags li {
  padding: 3px 8px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

/* 橙色通道框 */
.page-products .pf-channel {
  position: relative;
  margin-bottom: clamp(24px, 3.4vw, 36px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1.5px solid var(--c-signal);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 122, 41, .10), rgba(22, 37, 63, .58));
  box-shadow: 0 0 0 1px var(--pf-ring), 0 26px 60px -44px rgba(255, 122, 41, .8);
}

.page-products .pf-channel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.page-products .pf-light {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-signal);
  box-shadow: 0 0 0 4px var(--pf-soft);
  animation: pf-pulse 2.4s var(--ease) infinite;
}

@keyframes pf-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .42; }
}

.page-products .pf-channel-status {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-signal-soft);
}

.page-products .pf-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(255, 178, 122, .3);
}

@media (min-width: 640px) {
  .page-products .pf-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 26px;
  }
}

.page-products .pf-channel-cell {
  min-width: 0;
}

.page-products .pf-channel-k {
  margin: 0 0 5px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-signal-soft);
}

.page-products .pf-channel-v {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #FFFFFF;
}

.page-products .pf-channel-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-channel-points li {
  display: flex;
  gap: 10px;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(230, 233, 239, .86);
}

.page-products .pf-channel-points li::before {
  content: "›";
  flex: none;
  color: var(--c-signal);
  font-weight: 700;
}

/* 折叠面板 */
.page-products .pf-panel {
  margin-bottom: 12px;
  padding: 0 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(22, 37, 63, .56);
}

.page-products .pf-panel summary {
  position: relative;
  padding: 16px 32px 16px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pf-panel summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-celadon);
}

.page-products .pf-panel[open] summary::after {
  content: "–";
}

.page-products .pf-panel-body {
  padding: 14px 0 18px;
  border-top: 1px dashed var(--c-line);
  font-size: 14.5px;
  line-height: 1.86;
  color: rgba(230, 233, 239, .78);
}

/* 步骤带 */
.page-products .pf-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .pf-step:first-child {
  border-top: 1px solid var(--c-line);
}

.page-products .pf-step-num {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-celadon);
}

.page-products .pf-step-body {
  min-width: 0;
}

.page-products .pf-step-body h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .pf-step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.86;
  color: rgba(230, 233, 239, .78);
}

@media (min-width: 760px) {
  .page-products .pf-step {
    grid-template-columns: 62px minmax(0, 1fr);
    padding: 22px 0;
  }
}

/* 栏目路径卡片 */
.page-products .pf-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: clamp(34px, 5vw, 56px);
}

@media (min-width: 820px) {
  .page-products .pf-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pf-path {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px 20px;
  border: 1px solid var(--c-paper-line);
  border-radius: var(--radius);
  background: var(--c-archive);
  color: var(--c-text-dark);
  box-shadow: 0 18px 40px -34px rgba(0, 0, 0, .95);
}

.page-products .pf-path-idx {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-muted-dark);
}

.page-products .pf-path h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-text-dark);
}

.page-products .pf-path p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.82;
  color: #4A4A46;
}

.page-products .pf-path-route {
  margin-bottom: 16px !important;
  padding: 8px 10px;
  border: 1px dashed var(--c-paper-line);
  border-radius: 2px;
  background: rgba(255, 255, 255, .62);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: #3A3A36 !important;
}

.page-products .pf-path-btn {
  display: inline-block;
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 3px;
  border-bottom: 1.5px solid var(--c-signal);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--c-text-dark);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pf-path-btn:hover {
  color: var(--c-signal);
  border-bottom-color: var(--c-text-dark);
}

/* 行动区 */
.page-products .pf-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--c-line-2);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(63, 169, 142, .16), rgba(22, 37, 63, .62) 58%);
}

.page-products .pf-cta::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -6%;
  width: 34%;
  height: 220%;
  transform: rotate(15deg);
  background: linear-gradient(180deg, rgba(255, 122, 41, .16), transparent 70%);
  pointer-events: none;
}

.page-products .pf-cta h2 {
  position: relative;
  margin: 0 0 14px;
  max-width: 30ch;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.42;
}

.page-products .pf-cta p {
  position: relative;
  margin: 0 0 24px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.88;
  color: rgba(230, 233, 239, .84);
}

.page-products .pf-cta-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-light {
    animation: none;
  }

  .page-products .pf-zone,
  .page-products .toc-link,
  .page-products .pf-path-btn {
    transition: none;
  }
}