.page-products {
  --pr-gap: clamp(20px, 3.4vw, 40px);
  --pr-pad: clamp(22px, 3.2vw, 40px);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏封面 ---------- */
.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 3vw, 30px) 0 clamp(44px, 6vw, 84px);
  background:
    radial-gradient(130% 100% at 82% -22%, rgba(53, 240, 208, 0.16), transparent 62%),
    linear-gradient(165deg, var(--ink-800) 0%, var(--ink-900) 68%);
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 70%;
  height: 92%;
  background: linear-gradient(122deg, transparent 20%, var(--cyan-14) 60%, transparent 92%);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-products .pr-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 78px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  max-width: 15ch;
  color: var(--paper);
}

.page-products .pr-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-products .pr-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: rgba(242, 238, 228, 0.8);
}

.page-products .pr-hero__index {
  list-style: none;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-products .pr-hero__index li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num key"
    "num val";
  gap: 2px 12px;
  align-items: baseline;
  border-left: 1px solid var(--line-strong);
  padding-left: 12px;
}

.page-products .pr-hero__num {
  grid-area: num;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-products .pr-hero__k {
  grid-area: key;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
}

.page-products .pr-hero__v {
  grid-area: val;
  font-size: 13px;
  color: var(--mist);
}

.page-products .pr-hero__note {
  position: absolute;
  top: 40%;
  right: 8px;
  display: none;
  z-index: 2;
  color: var(--stone);
}

/* ---------- 筛选条 ---------- */
.page-products .pr-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-filter__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .filter-btn {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--ink-900);
  font-weight: 600;
}

.page-products .filter-status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 主栅格 ---------- */
.page-products .pr-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pr-gap);
  padding: clamp(28px, 4vw, 56px) 0 clamp(48px, 7vw, 96px);
}

.page-products .pr-main {
  display: grid;
  gap: var(--pr-gap);
  min-width: 0;
}

/* ---------- 功能画板 ---------- */
.page-products .pr-board {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pr-pad);
  color: var(--paper);
  box-shadow: 0 1px 0 rgba(143, 166, 163, 0.08), 0 18px 40px -32px rgba(0, 0, 0, 0.9);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products .pr-board--light {
  background: var(--paper);
  border-color: transparent;
  color: var(--graphite);
}

.page-products .pr-board--light .pr-board__text,
.page-products .pr-board--light .pr-col p,
.page-products .pr-board--light .pr-list li,
.page-products .pr-board--light .pr-format__item p {
  color: rgba(28, 35, 43, 0.82);
}

.page-products .pr-board--light .pr-col__title,
.page-products .pr-board--light .pr-board__title {
  color: var(--graphite);
}

.page-products .pr-board--light .media-frame__caption {
  color: rgba(28, 35, 43, 0.6);
}

.page-products .pr-board--dark {
  background: var(--ink-800);
}

.page-products .pr-board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 16px;
}

.page-products .pr-board__no {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pr-board--light .pr-board__no {
  color: var(--clay);
}

.page-products .pr-board__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  flex: 1 1 220px;
  min-width: 0;
}

.page-products .pr-board__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  max-width: 60ch;
  color: rgba(242, 238, 228, 0.82);
}

.page-products .pr-board__text:last-child {
  margin-bottom: 0;
}

/* 三列说明 */
.page-products .pr-cols {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
  margin: 22px 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .pr-col__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
}

.page-products .pr-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 238, 228, 0.76);
}

/* 图容器 */
.page-products .media-frame {
  margin: 22px 0;
  overflow: hidden;
  position: relative;
  background: var(--ink-900);
}

.page-products .media-frame--wide,
.page-products .media-frame--tall,
.page-products .media-frame--square {
  max-width: 100%;
}

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

.page-products .media-frame__caption {
  display: block;
  padding: 8px 2px 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .pr-board--light .media-frame {
  background: rgba(28, 35, 43, 0.08);
}

/* 要点列表 */
.page-products .pr-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 238, 228, 0.78);
}

.page-products .pr-list li strong {
  color: var(--graphite);
  font-weight: 600;
}

.page-products .pr-board--light .pr-list li strong {
  color: var(--clay);
}

.page-products .pr-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pr-board--light .pr-list li::before {
  background: var(--clay);
}

/* 四级索引 */
.page-products .pr-layer {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pr-layer__row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "code name"
    "code desc";
  gap: 2px 14px;
  padding: 14px 0 14px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-products .pr-layer__row:first-child {
  border-top: 1px solid var(--line);
}

.page-products .pr-layer__code {
  grid-area: code;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  align-self: center;
}

.page-products .pr-layer__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--paper);
}

.page-products .pr-layer__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* 三步路径（收藏） */
.page-products .pr-steps {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pr-steps__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(28, 35, 43, 0.18);
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
  color: var(--graphite);
}

.page-products .pr-steps__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--clay);
  flex: none;
}

/* 资料格式 */
.page-products .pr-format {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
  margin: 20px 0;
}

.page-products .pr-format__item {
  padding: 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(53, 240, 208, 0.06);
}

.page-products .pr-format__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-products .pr-format__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 238, 228, 0.8);
}

/* 适用人群 */
.page-products .pr-aud {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  margin: 22px 0 26px;
}

.page-products .pr-aud__item {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-products .pr-aud__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
}

.page-products .pr-aud__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 238, 228, 0.78);
}

.page-products .pr-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-products .pr-cta-row .link-arrow {
  color: var(--cyan);
}

/* ---------- 侧栏 ---------- */
.page-products .pr-side {
  display: grid;
  gap: 16px;
  min-width: 0;
  order: -1;
}

.page-products .pr-sidecard {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}

.page-products .pr-sidecard--tree {
  background: linear-gradient(180deg, rgba(53, 240, 208, 0.07), transparent 62%), var(--ink-800);
}

.page-products .pr-sidecard__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pr-sidecard__note {
  margin: 12px 0 12px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .pr-sidecard .eyebrow {
  color: var(--cyan-soft);
}

.page-products .pr-sidecard .link-arrow {
  color: var(--cyan);
  font-size: 13px;
}

/* 技能树 */
.page-products .pr-tree {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .pr-tree__node {
  position: relative;
  padding-left: 24px;
}

.page-products .pr-tree__node::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}

.page-products .pr-tree__node:last-child::before {
  bottom: auto;
  height: 22px;
}

.page-products .pr-tree__node::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 15px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--cyan);
}

.page-products .pr-tree__item summary {
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  list-style: none;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 14px;
}

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

.page-products .pr-tree__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  line-height: 1;
}

.page-products .pr-tree__item[open] summary::after {
  content: "−";
}

.page-products .pr-tree__idx {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  flex: none;
}

.page-products .pr-tree__label {
  min-width: 0;
}

.page-products .pr-tree__body {
  padding: 0 0 14px;
}

.page-products .pr-tree__body p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 238, 228, 0.76);
}

/* 比分速览 */
.page-products .pr-score {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pr-score__row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-score__row:last-child {
  border-bottom: 0;
}

.page-products .pr-score__proj {
  font-size: 13px;
  color: var(--paper);
}

.page-products .pr-score__num {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .pr-score__state {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--mist);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 2px 6px;
  white-space: nowrap;
}

.page-products .pr-score__state--live {
  color: var(--ember);
  border-color: rgba(255, 90, 54, 0.5);
}

/* 快速跳转 */
.page-products .pr-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pr-jump a {
  display: block;
  font-size: 13px;
  padding: 6px 0 6px 12px;
  border-left: 1px solid var(--line-strong);
  color: rgba(242, 238, 228, 0.8);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pr-jump a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pr-hero__index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 900px) {
  .page-products .pr-hero__note {
    display: block;
  }
}

@media (min-width: 1040px) {
  .page-products .pr-stage {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
  }

  .page-products .pr-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    order: 0;
  }

  .page-products .pr-filter {
    padding: 24px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .filter-btn,
  .page-products .pr-jump a {
    transition: none;
  }
}