.page-products {
  --pp-rule: 1px solid var(--line);
  --pp-gap: clamp(30px, 5vw, 72px);
}

.page-products .pp-sec {
  padding-block: clamp(34px, 5.5vw, 68px);
  border-top: var(--pp-rule);
}

.page-products .pp-sec--alt {
  background: linear-gradient(180deg, rgba(11, 43, 36, 0.72) 0%, rgba(6, 26, 22, 0) 100%);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(18px, 3.5vw, 40px);
  padding-bottom: clamp(30px, 5vw, 62px);
  border-top: 2px solid var(--cyan);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(47, 243, 210, 0.09) 0%, rgba(6, 26, 22, 0) 58%),
    linear-gradient(180deg, var(--panel-deep) 0%, rgba(6, 26, 22, 0) 100%);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-products .pp-hero__lede {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pp-hero__lede .breadcrumb {
  margin-bottom: 4px;
}

.page-products .pp-hero h1 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-products .pp-lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--paper);
}

.page-products .pp-hero__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .pp-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 10px 0 0;
  background: var(--line);
  border: var(--pp-rule);
}

.page-products .pp-hero__cell {
  padding: 14px 12px;
  background: var(--ink);
}

.page-products .pp-hero__cell dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .pp-hero__cell dd {
  margin: 6px 0 0;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(15px, 2vw, 20px);
  color: var(--cyan);
}

.page-products .pp-hero__visual {
  border: var(--pp-rule);
  background: var(--panel-deep);
  padding: 10px;
  align-self: start;
}

.page-products .pp-visual {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 章节头 ---------- */
.page-products .pp-head {
  display: grid;
  gap: 12px;
  padding-bottom: clamp(16px, 2.4vw, 24px);
  border-bottom: var(--pp-rule);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pp-head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--white);
  max-width: 24ch;
}

.page-products .pp-head p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
}

.page-products .pp-note {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-family: var(--f-mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--muted);
  max-width: 74ch;
}

/* ---------- 图片框 ---------- */
.page-products .pp-frame {
  border: var(--pp-rule);
  background:
    linear-gradient(135deg, var(--panel) 0%, var(--panel-deep) 100%);
  overflow: hidden;
}

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

.page-products .pp-frame--wide {
  margin-top: clamp(20px, 3vw, 34px);
}

/* ---------- 版本 ---------- */
.page-products .pp-ver {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-products .verlist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pp-rule);
}

.page-products .verlist__row {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: baseline;
  gap: 4px 14px;
  padding: 16px 0;
  border-bottom: var(--pp-rule);
  transition: background-color 200ms var(--ease);
}

.page-products .verlist__plat {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .verlist__ver {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-products .verlist__note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 路径 ---------- */
.page-products .pp-path {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-products .steplist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .steplist__item details {
  border: var(--pp-rule);
  border-left: 2px solid var(--line);
  background: var(--panel-deep);
  transition: border-color 200ms var(--ease);
}

.page-products .steplist__item details[open] {
  border-left-color: var(--cyan);
}

.page-products .steplist__item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .steplist__no {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  color: var(--amber);
  min-width: 2.2em;
}

.page-products .steplist__t {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(15px, 1.8vw, 17px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .steplist__item p {
  margin: 0;
  padding: 0 16px 16px 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--paper);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-products .pp-path__side {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  align-content: start;
}

.page-products .pp-callout {
  border: var(--pp-rule);
  border-top: 2px solid var(--amber);
  background: var(--panel-deep);
  padding: 16px;
}

.page-products .pp-callout__t {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .pp-callout__d {
  margin: 10px 0 0;
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--white);
}

.page-products .pp-callout__n {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 租借名单 ---------- */
.page-products .pp-modes {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-mode {
  border: var(--pp-rule);
  background: var(--panel-deep);
  padding: clamp(14px, 2vw, 20px);
}

.page-products .pp-mode__t {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: var(--pp-rule);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pp-mode__hint {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pp-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .loantable {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.page-products .loantable__cap {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-products .loantable th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: var(--pp-rule);
  white-space: nowrap;
}

.page-products .loantable td {
  padding: 12px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .loantable__id {
  font-family: var(--f-mono);
  font-weight: 700;
  color: var(--cyan);
}

.page-products .loantable tbody tr:last-child td {
  border-bottom: none;
}

.page-products .loancards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.page-products .loancard {
  border: var(--pp-rule);
  border-left: 2px solid var(--cyan);
  background: var(--ink);
  padding: 12px 13px;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .loancard__id {
  margin: 0;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-products .loancard__pos {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--white);
}

.page-products .loancard__meta {
  margin: 6px 0 0;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 权益 ---------- */
.page-products .pp-perks {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-products .perklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--pp-rule);
}

.page-products .perklist__item {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  background: var(--panel-deep);
}

.page-products .perklist__no {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-products .perklist__t {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .perklist__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper);
}

.page-products .pp-perks__side {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  align-content: start;
}

.page-products .pp-statbox {
  border: var(--pp-rule);
  border-top: 2px solid var(--cyan);
  background: var(--panel-deep);
  padding: 18px 16px;
}

.page-products .pp-statbox__k {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pp-statbox__v {
  margin: 8px 0 0;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
}

.page-products .pp-statbox__n {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 导航形态 ---------- */
.page-products .pp-nav {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-nav__grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  grid-template-columns: 1fr;
}

.page-products .pp-nav__card {
  border: var(--pp-rule);
  border-left: 2px solid var(--line);
  background: var(--panel-deep);
  padding: 16px;
  transition: border-color 200ms var(--ease);
}

.page-products .pp-nav__k {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-nav__t {
  margin: 10px 0 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pp-nav__card p:last-child {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--paper);
}

/* ---------- 技能树 ---------- */
.page-products .tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.page-products .tree__node {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: clamp(18px, 2.6vw, 26px);
}

.page-products .tree__node::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 20px;
  bottom: -2px;
  width: 1px;
  background: var(--line);
}

.page-products .tree__node:last-child::before {
  display: none;
}

.page-products .tree__dot {
  position: relative;
  z-index: 1;
  width: 13px;
  height: 13px;
  margin-top: 6px;
  margin-left: 6px;
  border: 1px solid var(--cyan);
  background: var(--ink);
  transform: rotate(45deg);
}

.page-products .tree__dot--cyan {
  background: var(--cyan);
}

.page-products .tree__dot--amber {
  border-color: var(--amber);
  background: var(--amber);
}

.page-products .tree__body {
  border-left: 2px solid var(--line);
  padding-left: 16px;
  padding-bottom: 4px;
}

.page-products .tree__no {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .tree__t {
  margin: 6px 0 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 19px);
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .tree__body p:last-child {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--paper);
}

.page-products .pp-endlinks {
  margin-top: clamp(14px, 2.4vw, 26px);
  padding-top: 20px;
  border-top: var(--pp-rule);
}

.page-products .pp-endlinks__t {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pp-endlinks__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 交互与响应式 ---------- */
@media (hover: hover) {
  .page-products .verlist__row:hover {
    background-color: rgba(47, 243, 210, 0.04);
  }

  .page-products .loancard:hover {
    transform: translateY(-2px);
    border-left-color: var(--amber);
  }

  .page-products .pp-nav__card:hover {
    border-left-color: var(--cyan);
  }
}

@media (min-width: 720px) {
  .page-products .verlist__row {
    grid-template-columns: 104px 86px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-products .verlist__note {
    grid-column: auto;
  }

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

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

@media (min-width: 940px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-products .pp-ver {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-products .pp-path {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pp-modes {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-products .pp-perks {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pp-nav {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .perklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-frame--lead {
    position: sticky;
    top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .verlist__row,
  .page-products .loancard,
  .page-products .pp-nav__card,
  .page-products .steplist__item details {
    transition: none;
  }

  .page-products .loancard:hover {
    transform: none;
  }
}