.page-products {
  --pp-line: rgba(168, 122, 44, .3);
  --pp-line-soft: rgba(110, 98, 85, .32);
  --pp-card: #14161A;
  --pp-body: rgba(242, 237, 228, .78);
  --pp-body-dim: rgba(242, 237, 228, .62);
  --pp-amber: #E08A2E;
}

/* ---------- 版本状态条 ---------- */
.page-products .pp-bar {
  border-top: 1px solid var(--pp-line-soft);
  border-bottom: 1px solid var(--pp-line-soft);
  background:
    linear-gradient(90deg, rgba(224, 138, 46, .16), rgba(224, 138, 46, 0) 58%),
    var(--ink);
}

.page-products .pp-bar__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  padding-top: 11px;
  padding-bottom: 11px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--neutral);
}

.page-products .pp-bar__item {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}

.page-products .pp-bar__key {
  color: var(--gold);
  margin-right: 8px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(36px, 6vw, 72px) 0 clamp(30px, 4vw, 52px);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -16%;
  width: min(720px, 86vw);
  height: min(720px, 86vw);
  background: radial-gradient(circle at 50% 50%, rgba(227, 183, 90, .15), rgba(227, 183, 90, 0) 64%);
  pointer-events: none;
}

.page-products .pp-hero__grid {
  position: relative;
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-products .pp-hero h1 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.16;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-products .pp-hero__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--pp-body);
}

.page-products .pp-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--pp-line-soft);
}

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

.page-products .pp-stat__n {
  font-family: var(--mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .pp-stat__l {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--neutral);
}

.page-products .pp-hero__act {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 首屏视觉板 */
.page-products .pp-hero__visual {
  display: flex;
  justify-content: center;
}

.page-products .pp-board {
  width: 100%;
  max-width: 460px;
  padding: 20px 20px 16px;
  border: 1px solid var(--pp-line);
  border-radius: 4px 26px 4px 26px;
  background:
    linear-gradient(160deg, rgba(227, 183, 90, .1), rgba(227, 183, 90, 0) 46%),
    linear-gradient(0deg, rgba(11, 12, 14, .6), rgba(11, 12, 14, .6)),
    var(--char);
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, .9);
}

.page-products .pp-board__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold-dark);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-board__rows {
  display: grid;
  gap: 12px;
  padding: 20px 0;
}

.page-products .pp-board__row {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pp-amber), rgba(224, 138, 46, .12));
}

.page-products .pp-board__row:nth-child(1) { width: 62%; }
.page-products .pp-board__row:nth-child(2) { width: 88%; }
.page-products .pp-board__row:nth-child(3) { width: 44%; }
.page-products .pp-board__row:nth-child(4) { width: 74%; }
.page-products .pp-board__row:nth-child(5) { width: 56%; }
.page-products .pp-board__row:nth-child(6) { width: 80%; }

.page-products .pp-board__foot {
  padding-top: 12px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--neutral);
}

/* ---------- 通用区块标题 ---------- */
.page-products .pp-head {
  max-width: 800px;
  margin-bottom: 26px;
}

.page-products .pp-head h2 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(23px, 3.3vw, 36px);
  line-height: 1.26;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-products .pp-head__sub {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pp-body);
}

/* ---------- 三端入口 ---------- */
.page-products .pp-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 32px;
}

.page-products .pp-entry {
  position: relative;
  padding: 24px 22px 20px;
  border: 1px solid var(--pp-line-soft);
  border-radius: 4px 22px 4px 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, 0) 46%),
    var(--pp-card);
  overflow: hidden;
}

.page-products .pp-entry::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--pp-accent, var(--amber));
}

.page-products .pp-entry--amber { --pp-accent: var(--amber); }
.page-products .pp-entry--steel { --pp-accent: var(--steel); }
.page-products .pp-entry--viridian { --pp-accent: var(--viridian); }

.page-products .pp-entry__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--pp-accent, var(--amber));
}

.page-products .pp-entry h3 {
  margin: 10px 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-products .pp-entry__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-body);
}

.page-products .pp-entry__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-body-dim);
}

.page-products .pp-entry__list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 10px;
  align-items: start;
  padding-top: 9px;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-entry__list .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--neutral);
}

/* ---------- 安装步骤 ---------- */
.page-products .pp-install {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 6px;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pp-step {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding-bottom: 26px;
}

.page-products .pp-step:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 36px;
  bottom: 4px;
  left: 27px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-dark), rgba(168, 122, 44, .1));
}

.page-products .pp-step__no {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 34px;
  border: 1px solid var(--gold-dark);
  border-radius: 999px;
  background: var(--ink);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .pp-step__body h3 {
  margin: 4px 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-step__body p {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--pp-body);
}

.page-products .pp-install__fig {
  margin: 0;
}

/* ---------- 进厅路径 ---------- */
.page-products .pp-path {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-path__item {
  border: 1px solid var(--pp-line-soft);
  border-radius: 4px 16px 4px 16px;
  background: var(--pp-card);
  overflow: hidden;
}

.page-products .pp-path__d {
  padding: 0;
}

.page-products .pp-path__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-path__sum::-webkit-details-marker {
  display: none;
}

.page-products .pp-path__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  color: var(--pp-amber);
}

.page-products .pp-path__d[open] .pp-path__sum::after {
  content: "\2013";
}

.page-products .pp-path__d[open] .pp-path__sum {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-path__no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 26px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-products .pp-path__d p {
  margin: 0;
  padding: 14px 20px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-body);
}

/* ---------- 厅别与区间 ---------- */
.page-products .pp-halls {
  position: relative;
}

.page-products .pp-hallgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .pp-hallgrid__rail {
  min-width: 0;
}

.page-products .pp-hallgrid__main {
  min-width: 0;
}

.page-products .index-rail {
  padding: 16px 0;
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .index-rail__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold-dark);
}

.page-products .index-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .index-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 1px solid var(--pp-line-soft);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--neutral);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-products .index-rail__num {
  font-family: var(--mono);
  color: var(--pp-amber);
}

.page-products .index-rail__link:hover,
.page-products .index-rail__link[aria-current="true"] {
  color: var(--paper);
  border-color: var(--gold);
  background: rgba(227, 183, 90, .08);
}

.page-products .pp-halls__fig {
  margin: 0 0 20px;
}

.page-products .pp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pp-hall-table tbody tr {
  scroll-margin-top: 120px;
}

.page-products .pp-hall-table td:first-child {
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .pp-hallnote {
  margin-top: 20px;
}

.page-products .pp-hallnote p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 厂商归档 ---------- */
.page-products .pp-vendors__fig {
  margin: 0 0 24px;
}

.page-products .pp-filters {
  margin-bottom: 22px;
}

.page-products .pp-vendors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-vendor {
  padding: 20px 20px 18px;
  border: 1px solid var(--pp-line-soft);
  border-radius: 4px 18px 4px 18px;
  background:
    linear-gradient(200deg, rgba(224, 138, 46, .08), rgba(224, 138, 46, 0) 52%),
    var(--pp-card);
}

.page-products .pp-vendor h3 {
  margin: 12px 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-products .pp-vendor p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pp-body);
}

/* ---------- 版本同步 ---------- */
.page-products .pp-tl {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  position: relative;
}

.page-products .pp-tl__item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--pp-line-soft);
}

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

.page-products .pp-tl__dot {
  position: absolute;
  top: 6px;
  left: -4.5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(227, 183, 90, .12);
}

.page-products .pp-tl__ver {
  margin: 0;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--pp-amber);
}

.page-products .pp-tl__item h3 {
  margin: 8px 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-products .pp-tl__item p:last-child {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--pp-body);
}

/* ---------- 场景 ---------- */
.page-products .pp-cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-case {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  border: 1px solid var(--pp-line-soft);
  border-radius: 22px 4px 22px 4px;
  background: var(--pp-card);
}

.page-products .pp-case__no {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-products .pp-case h3 {
  margin: 12px 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-case p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--pp-body);
}

.page-products .pp-case__link {
  margin-top: auto;
  padding-top: 16px;
}

.page-products .pp-case__link a {
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-line);
  padding-bottom: 2px;
}

.page-products .pp-case__link a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 下一步 ---------- */
.page-products .pp-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 42px;
  padding-top: 30px;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-next__col h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .pp-next__col p {
  margin: 10px 0 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--pp-body);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-vendors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pp-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
  }

  .page-products .pp-tl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-products .pp-tl__item {
    padding: 26px 0 0;
    border-left: none;
    border-top: 1px solid var(--pp-line-soft);
  }

  .page-products .pp-tl__item:last-child {
    border-top-color: var(--pp-line-soft);
  }

  .page-products .pp-tl__dot {
    top: -4.5px;
    left: 0;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 56px;
  }

  .page-products .pp-install {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 46px;
    align-items: start;
  }

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

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

@media (min-width: 1024px) {
  .page-products .pp-hallgrid {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-hallgrid__rail {
    position: sticky;
    top: 104px;
  }

  .page-products .index-rail {
    border-bottom: none;
  }

  .page-products .index-rail__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .index-rail__link {
    display: flex;
    width: 100%;
    padding: 7px 10px;
    border: none;
    border-left: 1px solid var(--pp-line-soft);
    border-radius: 0;
    background: transparent;
  }

  .page-products .index-rail__link:hover,
  .page-products .index-rail__link[aria-current="true"] {
    background: rgba(227, 183, 90, .07);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-products .index-rail__link,
  .page-products .pp-case__link a {
    transition: none;
  }
}