.page-products {
  --pd-gap: clamp(1rem, 2.2vw, 2rem);
  --pd-hot-wash: rgba(255, 138, 61, 0.1);
  --pd-panel-soft: rgba(23, 19, 41, 0.72);
  --pd-sink: rgba(11, 10, 18, 0.55);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .arc-aside {
  align-self: start;
}

.page-products .pd-rail {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.page-products .arc-rail__title {
  margin: 0 0 0.7rem;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--haze);
}

.page-products .arc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.page-products .arc-rail__link {
  display: block;
  padding: 0.45rem 0.6rem;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 2px;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .arc-rail__link:hover,
.page-products .arc-rail__link:focus-visible {
  color: var(--ink);
  background: rgba(168, 85, 247, 0.14);
  border-left-color: var(--neon);
}

.page-products .arc-rail__link[aria-current="true"] {
  color: var(--ink);
  font-weight: 600;
  background: rgba(168, 85, 247, 0.2);
  border-left-color: var(--neon);
}

.page-products .pd-rail__note {
  margin: 1rem 0 0;
  padding-left: 0.65rem;
  border-left: 2px solid var(--edge);
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze);
}

/* 首屏 */
.page-products .pd-hero {
  margin-bottom: var(--pd-gap);
}

.page-products .arc-h1 {
  font-size: clamp(1.85rem, 4.6vw, 3.1rem);
  line-height: 1.15;
}

.page-products .arc-h2 {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.3;
}

.page-products .arc-lead {
  max-width: 42em;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-hero__media {
  margin: clamp(1.1rem, 3vw, 1.9rem) 0 0;
  border: 2px solid var(--edge);
  border-radius: 2px;
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

/* 数字速览 */
.page-products .pd-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin-bottom: clamp(1.8rem, 4vw, 2.8rem);
}

.page-products .pd-stat {
  padding: 0.35rem 0 0.35rem 0.75rem;
  border-left: 4px solid var(--neon);
}

.page-products .pd-stat:nth-child(2) {
  border-left-color: var(--volt);
}

.page-products .pd-stat:nth-child(3) {
  border-left-color: var(--mint);
}

.page-products .pd-stat:nth-child(4) {
  border-left-color: var(--amber);
}

.page-products .pd-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
  transition: transform 0.18s var(--ease), text-shadow 0.18s var(--ease);
}

.page-products .pd-stat:hover .pd-stat__num {
  transform: scale(1.04);
  text-shadow: 0 0 10px rgba(255, 138, 61, 0.55);
}

.page-products .pd-stat__unit {
  margin-left: 0.25em;
  font-size: 0.44em;
  font-weight: 500;
  vertical-align: super;
  color: var(--haze);
  letter-spacing: 0;
}

.page-products .pd-stat__label {
  display: block;
  margin-top: 0.4rem;
  font-size: 13px;
  line-height: 1.5;
  color: var(--haze);
}

/* 主栅格 */
.page-products .pd-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
}

.page-products .pd-col-side {
  align-self: start;
}

.page-products .pd-block {
  margin-bottom: clamp(1.9rem, 4vw, 3rem);
}

.page-products .pd-block:last-child {
  margin-bottom: 0;
}

.page-products .pd-text {
  max-width: 36em;
  margin: 0.9rem 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 项目分类 */
.page-products .pd-cats {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
}

.page-products .pd-cat {
  padding: 0.9rem 1rem;
  background: var(--pd-panel-soft);
  border: 2px solid var(--edge);
  border-radius: 2px;
  box-shadow: 4px 4px 0 0 rgba(74, 63, 115, 0.72);
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-products .pd-cat:hover {
  border-color: var(--neon);
  box-shadow: 6px 6px 0 0 rgba(168, 85, 247, 0.5);
  transform: translate(-2px, -2px);
}

.page-products .pd-cat__head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-products .pd-cat__icon {
  flex: none;
  width: 28px;
  height: 28px;
  color: var(--volt);
}

.page-products .pd-cat__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-products .pd-cat .arc-h3 {
  margin: 0;
  font-size: 1.02rem;
}

.page-products .pd-cat p {
  margin: 0.55rem 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--haze);
}

/* 结算方式 */
.page-products .pd-rules {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.3rem;
}

.page-products .pd-rule {
  padding: 1rem;
  background: var(--pd-panel-soft);
  border: 2px solid var(--edge);
  border-top: 4px solid var(--volt);
  border-radius: 2px;
}

.page-products .pd-rule:nth-child(2) {
  border-top-color: var(--neon);
}

.page-products .pd-rule:nth-child(3) {
  border-top-color: var(--mint);
}

.page-products .pd-rule__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--haze);
}

.page-products .pd-rule__name {
  margin: 0.45rem 0 0;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-rule p:last-child {
  margin: 0.6rem 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .pd-figure {
  margin: 1.4rem 0 0;
  border: 2px solid var(--edge);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

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

.page-products .pd-figure__cap {
  padding: 0.6rem 0.85rem;
  font-size: 13px;
  line-height: 1.6;
  color: var(--haze);
  background: var(--pd-sink);
  border-top: 2px solid var(--edge);
}

/* 设备与记录 */
.page-products .pd-device__media {
  margin: 1.2rem 0 0;
  border: 2px solid var(--edge);
  border-radius: 2px;
  overflow: hidden;
  max-width: 22rem;
  box-shadow: var(--shadow-hard);
}

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

.page-products .pd-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.3rem;
}

.page-products .pd-device {
  padding: 0.95rem 1rem;
  background: var(--pd-sink);
  border: 2px solid var(--edge);
  border-left: 4px solid var(--volt);
  border-radius: 2px;
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-products .pd-device:hover {
  border-color: var(--neon);
  border-left-color: var(--amber);
  background: rgba(23, 19, 41, 0.85);
}

.page-products .pd-device__name {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

.page-products .pd-device__line {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
}

.page-products .pd-device p:last-child {
  margin: 0.55rem 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--haze);
}

.page-products .pd-note {
  margin-top: 1.1rem;
  padding: 0.9rem 1rem;
  background: rgba(53, 224, 161, 0.08);
  border: 2px solid rgba(53, 224, 161, 0.45);
  border-radius: 2px;
}

.page-products .pd-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* 新手路径 */
.page-products .pd-path__media {
  margin: 1.2rem 0 0;
  border: 2px solid var(--edge);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

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

.page-products .pd-steps {
  list-style: none;
  counter-reset: pdstep;
  margin: 1.4rem 0 0;
  padding: 0;
}

.page-products .pd-step {
  position: relative;
  margin-left: 1rem;
  padding: 0 0 1.15rem 3.2rem;
  border-left: 2px solid var(--edge);
}

.page-products .pd-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .pd-step::before {
  counter-increment: pdstep;
  content: counter(pdstep);
  position: absolute;
  left: -1rem;
  top: 0;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--void);
  background: var(--mint);
  border-radius: 2px;
}

.page-products .pd-step__title {
  margin: 0.25rem 0 0;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-step p {
  margin: 0.45rem 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--haze);
}

/* 折叠说明 */
.page-products .pd-panels {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.page-products .arc-panel {
  background: var(--pd-panel-soft);
  border: 2px solid var(--edge);
  border-radius: 2px;
  transition: border-color 0.16s var(--ease);
}

.page-products .arc-panel:hover,
.page-products .arc-panel[open] {
  border-color: var(--neon);
}

.page-products .arc-panel > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-products .arc-panel__arrow {
  flex: none;
  font-size: 20px;
  line-height: 1;
  color: var(--volt);
  transition: transform 0.18s var(--ease);
}

.page-products .arc-panel[open] .arc-panel__arrow {
  transform: rotate(90deg);
}

.page-products .arc-panel__body {
  padding: 0 1rem 1rem;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze);
}

.page-products .pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.page-products .pd-more {
  margin: 1.1rem 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

.page-products .pd-more a {
  color: var(--volt);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.16s var(--ease);
}

.page-products .pd-more a:hover {
  color: var(--amber);
}

/* 费用对照表 */
.page-products .pd-board {
  padding: clamp(0.95rem, 2vw, 1.35rem);
  background: var(--panel);
  border: 2px solid var(--edge);
  border-radius: 2px;
  box-shadow: var(--shadow-hard);
}

.page-products .pd-board__title {
  margin: 0;
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
}

.page-products .pd-board__note {
  margin: 0.55rem 0 1rem;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

.page-products .pd-board__media {
  margin: 0 0 1rem;
  height: 8.5rem;
  border: 2px solid var(--edge);
  border-radius: 2px;
  overflow: hidden;
}

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

.page-products .pd-board__foot {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: 2px solid var(--edge);
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

/* 纯 CSS 标签页 */
.page-products .pd-tabs {
  position: relative;
}

.page-products .pd-tabs > .arc-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .pd-tabs > .arc-tabs__radio:focus-visible ~ .arc-tabs__bar {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-products .pd-tabs > .arc-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.page-products .pd-tabs .arc-tabs__btn {
  flex: 1 1 auto;
  padding: 0.45rem 0.55rem;
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--pd-sink);
  border: 2px solid var(--edge);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .pd-tabs .arc-tabs__btn:hover {
  color: var(--ink);
  border-color: var(--neon);
}

.page-products .pd-tabs > .arc-tabs__radio:nth-of-type(1):checked ~ .arc-tabs__bar > .arc-tabs__btn:nth-child(1),
.page-products .pd-tabs > .arc-tabs__radio:nth-of-type(2):checked ~ .arc-tabs__bar > .arc-tabs__btn:nth-child(2),
.page-products .pd-tabs > .arc-tabs__radio:nth-of-type(3):checked ~ .arc-tabs__bar > .arc-tabs__btn:nth-child(3) {
  color: var(--void);
  background: var(--amber);
  border-color: var(--amber);
}

.page-products .pd-tabs > .arc-tabs__panels > .arc-tabs__panel {
  display: none;
}

.page-products .pd-tabs > .arc-tabs__radio:nth-of-type(1):checked ~ .arc-tabs__panels > .arc-tabs__panel:nth-child(1),
.page-products .pd-tabs > .arc-tabs__radio:nth-of-type(2):checked ~ .arc-tabs__panels > .arc-tabs__panel:nth-child(2),
.page-products .pd-tabs > .arc-tabs__radio:nth-of-type(3):checked ~ .arc-tabs__panels > .arc-tabs__panel:nth-child(3) {
  display: block;
}

.page-products .pd-panel__lead {
  margin: 0 0 0.75rem;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

/* 表格 */
.page-products .pd-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 13px;
  line-height: 1.5;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 0.5rem 0.45rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--edge);
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-products .pd-table thead th {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--haze);
  background: var(--pd-sink);
  border-bottom: 2px solid var(--edge);
}

.page-products .pd-table thead th:nth-child(1) {
  width: 27%;
}

.page-products .pd-table thead th:nth-child(2) {
  width: 24%;
}

.page-products .pd-table thead th:nth-child(3) {
  width: 49%;
}

.page-products .pd-table tbody tr:nth-child(even) td {
  background: rgba(23, 19, 41, 0.55);
}

.page-products .pd-table tbody tr:hover td {
  background: rgba(47, 210, 255, 0.12);
}

.page-products .pd-table th.arc-col-hot,
.page-products .pd-table td.arc-col-hot {
  background: var(--pd-hot-wash);
  border-left: 3px solid var(--amber);
  color: var(--ink);
  font-weight: 600;
}

.page-products .pd-table tbody tr:hover td.arc-col-hot {
  background: rgba(255, 138, 61, 0.2);
}

/* 响应式 */
@media (min-width: 620px) {
  .page-products .pd-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-rules,
  .page-products .pd-devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-products .pd-grid {
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 25rem);
  }

  .page-products .pd-col-side {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 480px) {
  .page-products .pd-tabs .arc-tabs__btn {
    flex: 1 1 100%;
  }

  .page-products .pd-table th,
  .page-products .pd-table td {
    padding: 0.45rem 0.35rem;
    font-size: 12.5px;
  }

  .page-products .pd-device__media {
    max-width: 100%;
  }
}