.page-products {
  --pd-line: rgba(30, 74, 120, 0.7);
  display: block;
  color: var(--text-primary);
  background-color: var(--abyss-900);
  background-image:
    radial-gradient(900px 520px at 88% -6%, rgba(34, 211, 238, 0.13), transparent 62%),
    radial-gradient(680px 420px at 2% 40%, rgba(255, 107, 74, 0.07), transparent 60%);
  background-repeat: no-repeat;
  overflow-x: hidden;
}

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

.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 32px);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.page-products .crumbs a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--electric-cyan);
  border-bottom-color: var(--electric-cyan);
}

.page-products .crumbs__sep {
  color: var(--hull-600);
}

.page-products .crumbs__here {
  color: var(--electric-cyan);
}

/* ---------- 首屏框景 ---------- */
.page-products .pd-hero {
  padding-block: clamp(20px, 3.5vw, 40px) clamp(8px, 1.5vw, 16px);
}

.page-products .pd-hero__frame {
  position: relative;
  border: var(--border-hard);
  box-shadow: var(--shadow-hard-lg);
  padding: clamp(20px, 3.5vw, 44px);
  background-image:
    linear-gradient(135deg, rgba(11, 37, 69, 0.92), rgba(6, 20, 38, 0.62)),
    repeating-linear-gradient(90deg, rgba(30, 74, 120, 0.22) 0 1px, transparent 1px 52px);
  background-color: var(--abyss-700);
}

.page-products .pd-hero__frame::before,
.page-products .pd-hero__frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--electric-cyan);
  pointer-events: none;
}

.page-products .pd-hero__frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .pd-hero__frame::after {
  right: -2px;
  bottom: -2px;
  border-left: 0;
  border-top: 0;
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-products .pd-hero__copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--electric-cyan);
}

.page-products .pd-hero__copy h1 {
  margin: 0 0 18px;
  max-width: 15em;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.9rem, 6.4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

.page-products .pd-hero__copy .lede {
  margin: 0 0 26px;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-hero__panel {
  position: relative;
  border: var(--border-hard);
  background: var(--glass);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 26px);
  backdrop-filter: blur(6px);
}

.page-products .pd-hero__panel-label {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-products .pd-hero__panel-num {
  margin: 0 0 16px;
  font-family: var(--font-data);
  font-size: clamp(2.5rem, 7vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--electric-cyan);
}

.page-products .pd-hero__panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--pd-line);
  padding-top: 16px;
}

.page-products .pd-hero__panel-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-primary);
}

.page-products .pd-hero__panel-list .index-num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
  flex: none;
}

/* ---------- 通用区块 ---------- */
.page-products .pd-sec {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-products .pd-sec .section__head,
.page-products .pd-start .section__head {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-products .pd-sec .section__head .eyebrow,
.page-products .pd-start .section__head .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--electric-cyan);
}

.page-products .pd-sec .section__title,
.page-products .pd-start .section__title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.18;
  color: var(--ice-white);
}

.page-products .pd-sec .section__head .lede,
.page-products .pd-start .section__head .lede,
.page-products .pd-branch__body .lede {
  margin: 0 0 24px;
  max-width: 68ch;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-products .pd-figure {
  margin: 0 0 clamp(24px, 3vw, 36px);
  border: var(--border-hard);
  background: var(--abyss-700);
  box-shadow: var(--shadow-hard);
}

.page-products .pd-figure--tight {
  margin-bottom: clamp(20px, 2.5vw, 28px);
}

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

.page-products .pd-figure .media-frame__caption {
  padding: 12px 16px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-note {
  margin: 0;
  padding: 14px 18px;
  border-left: 3px solid var(--coral-orange);
  background: rgba(255, 107, 74, 0.07);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-primary);
}

/* ---------- 版本时间线 ---------- */
.page-products .pd-vers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-left: 2px solid var(--hull-600);
}

.page-products .pd-vers__item {
  position: relative;
  padding: 0 0 26px 26px;
  display: grid;
  gap: 4px;
}

.page-products .pd-vers__item:last-child {
  padding-bottom: 0;
}

.page-products .pd-vers__item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 6px;
  width: 13px;
  height: 13px;
  background: var(--abyss-900);
  border: 2px solid var(--electric-cyan);
  transform: rotate(45deg);
}

.page-products .pd-vers__idx {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--coral-orange);
}

.page-products .pd-vers__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .pd-vers__desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---------- 能力路径区块 ---------- */
.page-products .pd-branch {
  padding-block: clamp(40px, 6vw, 80px);
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-branch__grid {
  display: grid;
  gap: 20px;
}

.page-products .pd-branch__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .pd-branch__idx {
  margin: 0;
  font-family: var(--font-data);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--electric-cyan);
}

.page-products .pd-branch__tag {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-products .pd-branch__body {
  min-width: 0;
}

.page-products .pd-branch__title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.18;
  color: var(--ice-white);
}

/* 控球率双栏 */
.page-products .pd-split {
  display: grid;
  gap: 20px;
}

.page-products .pd-media {
  margin: 0;
  border: var(--border-hard);
  background: var(--abyss-700);
  box-shadow: var(--shadow-hard);
}

.page-products .pd-media img {
  width: 100%;
  object-fit: cover;
}

.page-products .pd-media .media-frame__caption {
  padding: 12px 16px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-top: 1px solid var(--pd-line);
}

/* 功能折叠 */
.page-products .pd-feats {
  display: grid;
  align-content: start;
}

.page-products .pd-feat {
  margin-bottom: 12px;
  border: 1px solid var(--pd-line);
  border-left: 3px solid var(--cyan-deep);
  background: rgba(11, 37, 69, 0.5);
  transition: border-left-color 0.2s ease, background-color 0.2s ease;
}

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

.page-products .pd-feat[open] {
  border-left-color: var(--electric-cyan);
  background: rgba(11, 37, 69, 0.82);
}

.page-products .pd-feat summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.page-products .pd-feat summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--electric-cyan);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.page-products .pd-feat[open] summary::before {
  transform: rotate(135deg);
}

.page-products .pd-feat p {
  margin: 0;
  padding: 0 18px 18px 38px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-muted);
}

/* 档案筛选维度 */
.page-products .pd-filters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-filter {
  border-top: 3px solid var(--hull-600);
  background: rgba(11, 37, 69, 0.55);
  padding: 18px;
  transition: border-top-color 0.2s ease;
}

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

.page-products .pd-filter__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--coral-orange);
}

.page-products .pd-filter__t {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .pd-filter__d {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-products .pd-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  padding: 12px 16px;
  border: 1px solid var(--pd-line);
  background: rgba(11, 37, 69, 0.45);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-products .pd-meta__dot {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--mint-rank);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.18);
}

/* 步骤条 */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-products .pd-step {
  position: relative;
  padding: 20px 20px 20px 22px;
  border: var(--border-hard);
  border-left-width: 4px;
  border-left-color: var(--electric-cyan);
  background: rgba(11, 37, 69, 0.6);
}

.page-products .pd-step__n {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--electric-cyan);
}

.page-products .pd-step__t {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .pd-step__d {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--text-muted);
}

/* 会员阶梯 */
.page-products .pd-tiers {
  list-style: none;
  margin: 0 0 clamp(24px, 3vw, 36px);
  padding: 0;
  display: grid;
  gap: 14px;
  align-items: end;
}

.page-products .pd-tier {
  position: relative;
  display: flex;
  flex-direction: column;
  border: var(--border-hard);
  background: var(--abyss-700);
  box-shadow: var(--shadow-hard);
  padding: 22px 20px;
}

.page-products .pd-tier::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
}

.page-products .pd-tier--a::before {
  background: var(--hull-600);
}

.page-products .pd-tier--b::before {
  background: var(--electric-cyan);
}

.page-products .pd-tier--c::before {
  background: var(--coral-orange);
}

.page-products .pd-tier__n {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.page-products .pd-tier__t {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--ice-white);
}

.page-products .pd-tier__desc {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-products .pd-tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--pd-line);
  padding-top: 16px;
}

.page-products .pd-tier__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--text-primary);
}

.page-products .pd-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--electric-cyan);
}

/* 排名区间色阶 */
.page-products .pd-zones {
  display: grid;
  gap: 8px;
}

.page-products .pd-zones__lead {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-products .pd-zone {
  padding: 13px 16px;
  border-left: 6px solid;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.page-products .pd-zone--fight {
  border-color: var(--amber-signal);
  background: rgba(245, 179, 1, 0.1);
  color: var(--amber-signal);
}

.page-products .pd-zone--mid {
  border-color: var(--mint-rank);
  background: rgba(45, 212, 191, 0.1);
  color: var(--mint-rank);
}

.page-products .pd-zone--safe {
  border-color: var(--rose-rank);
  background: rgba(228, 87, 122, 0.1);
  color: var(--rose-rank);
}

.page-products .pd-zones__note {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* 上手与支持 */
.page-products .pd-start {
  padding-block: clamp(44px, 6vw, 84px);
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-steps--start {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .pd-support {
  display: grid;
  gap: 12px;
}

.page-products .pd-support__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 52px 18px 20px;
  border: var(--border-hard);
  background: rgba(11, 37, 69, 0.62);
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-products .pd-support__card:hover,
.page-products .pd-support__card:focus-visible {
  border-color: var(--electric-cyan);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-products .pd-support__k {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--coral-orange);
}

.page-products .pd-support__t {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .pd-support__a {
  position: absolute;
  right: 18px;
  bottom: 16px;
  font-family: var(--font-data);
  font-size: 1.125rem;
  color: var(--electric-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .pd-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-vers {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    border-left: 0;
    border-top: 2px solid var(--hull-600);
    padding-top: 28px;
  }

  .page-products .pd-vers__item {
    padding: 0 18px 0 0;
  }

  .page-products .pd-vers__item:last-child {
    padding-right: 0;
  }

  .page-products .pd-vers__item::before {
    left: 0;
    top: -36px;
  }
}

@media (min-width: 820px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-products .pd-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pd-tier--a {
    min-height: 250px;
  }

  .page-products .pd-tier--b {
    min-height: 296px;
  }

  .page-products .pd-tier--c {
    min-height: 342px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(270px, 0.6fr);
    gap: clamp(28px, 4vw, 52px);
  }
}

@media (min-width: 960px) {
  .page-products .pd-branch__grid {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pd-branch__rail {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    border-left: 2px solid var(--pd-line);
    padding-left: 22px;
  }

  .page-products .pd-branch__rail::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 4px;
    width: 16px;
    height: 16px;
    background: var(--abyss-900);
    border: 2px solid var(--electric-cyan);
    transform: rotate(45deg);
  }
}

@media (min-width: 1100px) {
  .page-products .pd-filters {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}