.page-products {
  --pf-rail-w: 268px;
}

/* ============ 首屏 ============ */
.page-products .pf-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.6rem, 4.5vw, 2.6rem) 0 clamp(2rem, 5vw, 3.4rem);
  overflow: hidden;
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto -20%;
  height: 150%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 52% at 16% 6%, rgba(123, 97, 255, .30), transparent 64%),
    radial-gradient(50% 46% at 84% 0%, rgba(53, 230, 216, .20), transparent 66%);
}

.page-products .pf-kicker {
  margin: var(--sp-4) 0 0;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--mint);
}

.page-products .pf-h1 {
  margin: var(--sp-3) 0 0;
  font-size: clamp(2rem, 6.4vw, 4.1rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--text);
  max-width: 20ch;
}

.page-products .pf-h1 em {
  font-style: normal;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}

.page-products .pf-lede {
  margin: var(--sp-4) 0 0;
  max-width: 46rem;
  font-size: clamp(.96rem, 1.6vw, 1.06rem);
  line-height: 1.95;
  color: var(--muted);
}

.page-products .pf-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  margin: var(--sp-5) 0 0;
  padding: var(--sp-4) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pf-stats__n {
  font-family: var(--mono);
  font-size: clamp(1.45rem, 3.6vw, 2.05rem);
  font-weight: 500;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pf-stats__l {
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .pf-stats__item--amber .pf-stats__n {
  color: var(--amber);
}

/* ============ 非对称骨架 ============ */
.page-products .pf-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.4rem);
  padding-bottom: clamp(2.6rem, 7vw, 4.6rem);
}

@media (min-width: 1000px) {
  .page-products .pf-shell {
    grid-template-columns: var(--pf-rail-w) minmax(0, 1fr);
    gap: clamp(1.8rem, 3vw, 3rem);
  }
}

/* ---- 左栏切换器 ---- */
.page-products .pf-rail {
  display: grid;
  align-content: start;
  gap: var(--sp-3);
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-products .pf-rail {
    position: sticky;
    top: 104px;
  }
}

.page-products .pf-rail__title {
  margin: 0;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-products .pf-fold {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
}

.page-products .pf-fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-3);
  cursor: pointer;
  list-style: none;
  font-size: .9rem;
  color: var(--text);
}

.page-products .pf-fold__sum::-webkit-details-marker {
  display: none;
}

.page-products .pf-fold__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pf-fold__name {
  font-weight: 500;
}

.page-products .pf-fold__count {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--cyan);
}

.page-products .pf-fold__sum::after {
  content: "＋";
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--muted);
}

.page-products .pf-fold[open] .pf-fold__sum::after {
  content: "－";
  color: var(--cyan);
}

.page-products .pf-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 var(--sp-3) var(--sp-3);
  display: grid;
  gap: 2px;
}

.page-products .pf-rail__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: .5rem .7rem;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  font-size: .84rem;
  color: var(--muted);
  transition: background-color .22s ease, color .22s ease, border-color .22s ease;
}

.page-products .pf-rail__item:hover {
  background: rgba(53, 230, 216, .07);
  color: var(--text);
  border-left-color: var(--mint);
}

.page-products .pf-rail__id {
  font-family: var(--mono);
  letter-spacing: .04em;
}

.page-products .pf-rail__meta {
  font-size: .72rem;
  color: var(--muted);
}

.page-products .pf-rail__hint {
  margin: 0;
  padding: 0 var(--sp-3);
  border-left: 2px solid var(--violet);
  font-size: .76rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 右栏内容流 ---- */
.page-products .pf-flow {
  display: grid;
  gap: clamp(2rem, 5vw, 3.4rem);
  min-width: 0;
}

.page-products .pf-block {
  min-width: 0;
}

.page-products .pf-head {
  margin-bottom: var(--sp-4);
}

.page-products .pf-eyebrow {
  margin: 0 0 var(--sp-2);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--cyan);
  opacity: .9;
}

.page-products .pf-h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 2.05rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-products .pf-sub {
  margin: var(--sp-2) 0 0;
  max-width: 42rem;
  font-size: .93rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---- 图文分区 ---- */
.page-products .pf-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  min-width: 0;
}

@media (min-width: 780px) {
  .page-products .pf-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .pf-split__text {
  min-width: 0;
}

.page-products .pf-split__text p {
  margin: 0 0 var(--sp-3);
  max-width: 40rem;
  font-size: .93rem;
  line-height: 1.95;
  color: var(--text);
}

.page-products .pf-split__text p:last-child {
  margin-bottom: 0;
}

.page-products .pf-figure {
  margin: 0;
  min-width: 0;
}

.page-products .pf-figure--wide {
  margin-top: var(--sp-5);
}

.page-products .pf-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
  object-fit: cover;
}

.page-products .pf-figure--ring {
  max-width: 340px;
  margin-inline: auto;
}

.page-products .pf-figure figcaption {
  margin-top: var(--sp-2);
  font-size: .77rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 路径筛选与清单 ---- */
.page-products .pf-filter {
  display: grid;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-products .pf-status {
  margin: 0;
  min-height: 1.2em;
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--muted);
}

.page-products .pf-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-products .pf-path {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(20, 26, 63, .72);
  transition: border-color .25s ease, transform .25s ease, background-color .25s ease;
}

.page-products .pf-path:hover {
  border-color: rgba(53, 230, 216, .48);
  background: rgba(20, 26, 63, .95);
  transform: translateY(-2px);
}

.page-products .pf-path__dot {
  width: 10px;
  height: 10px;
  margin-top: .5rem;
  border-radius: 50%;
  background: var(--mint);
  animation: pf-pulse 2.4s ease-in-out infinite;
}

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

.page-products .pf-path__dot--coral {
  background: var(--coral);
}

@keyframes pf-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: .68; }
}

.page-products .pf-path__title {
  margin: 0 0 .35rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}

.page-products .pf-path__body {
  margin: 0;
  font-size: .86rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---- 档位色阶带 ---- */
.page-products .pf-scale {
  list-style: none;
  margin: 0 0 var(--sp-5);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
}

@media (min-width: 660px) {
  .page-products .pf-scale {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-products .pf-scale__seg {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 3px;
  min-height: 92px;
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  animation: pf-lightup .55s ease-out both;
}

.page-products .pf-scale__seg:nth-child(1) {
  background: #F2B13C;
  animation-delay: .05s;
}
.page-products .pf-scale__seg:nth-child(2) {
  background: #F5943E;
  animation-delay: .14s;
}
.page-products .pf-scale__seg:nth-child(3) {
  background: #FA7C46;
  animation-delay: .23s;
}
.page-products .pf-scale__seg:nth-child(4) {
  background: #FD7350;
  animation-delay: .32s;
}
.page-products .pf-scale__seg:nth-child(5) {
  background: #FF6B5A;
  animation-delay: .41s;
}

@keyframes pf-lightup {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.page-products .pf-scale__code {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  color: rgba(10, 15, 44, .94);
}

.page-products .pf-scale__rate {
  font-family: var(--mono);
  font-size: 1.02rem;
  font-weight: 600;
  color: rgba(10, 15, 44, .84);
}

.page-products .pf-scale__zone {
  font-size: .72rem;
  letter-spacing: .06em;
  color: rgba(10, 15, 44, .7);
}

/* ---- 表格 ---- */
.page-products .pf-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-tiers {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .86rem;
}

.page-products .pf-tiers th,
.page-products .pf-tiers td {
  padding: .8rem .95rem;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-tiers thead th {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .1em;
  white-space: nowrap;
  color: var(--muted);
  background: rgba(10, 15, 44, .55);
}

.page-products .pf-tiers tbody tr {
  transition: background-color .22s ease;
}

.page-products .pf-tiers tbody tr:hover {
  background: rgba(53, 230, 216, .07);
}

.page-products .pf-tiers tbody tr:last-child th,
.page-products .pf-tiers tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pf-tiers .num {
  text-align: center;
}

.page-products .pf-delta {
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--muted);
  white-space: nowrap;
  opacity: .6;
  transition: opacity .22s ease, color .22s ease;
}

.page-products .pf-tiers tbody tr:hover .pf-delta {
  opacity: 1;
  color: var(--cyan);
}

/* ---- 档位与厅别对照 ---- */
.page-products .pf-map {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pf-map__row {
  display: grid;
  gap: .3rem;
  padding: var(--sp-3) 0;
  border-bottom: 1px dashed var(--line);
}

@media (min-width: 660px) {
  .page-products .pf-map__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: var(--sp-4);
    align-items: baseline;
  }
}

.page-products .pf-map__k {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-products .pf-map__v {
  font-size: .9rem;
  line-height: 1.9;
  color: var(--text);
}

/* ---- 步骤 ---- */
.page-products .pf-steps {
  list-style: none;
  margin: 0 0 var(--sp-5);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

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

.page-products .pf-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pf-step__n {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--violet);
}

.page-products .pf-step__body {
  min-width: 0;
}

.page-products .pf-step__t {
  margin: 0 0 .4rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}

.page-products .pf-step__body p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---- 口径来源 ---- */
.page-products .pf-note {
  margin: var(--sp-4) 0 0;
  max-width: 42rem;
  font-size: .84rem;
  line-height: 1.9;
  color: var(--muted);
  padding-left: var(--sp-3);
  border-left: 2px solid var(--coral);
}

.page-products .pf-links {
  list-style: none;
  margin: var(--sp-5) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
}

@media (min-width: 720px) {
  .page-products .pf-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pf-links a {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  font-size: .9rem;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
  transition: border-color .22s ease, background-color .22s ease, color .22s ease;
}

.page-products .pf-links a:hover {
  border-color: rgba(53, 230, 216, .55);
  background: rgba(53, 230, 216, .07);
  color: var(--cyan);
}

.page-products .pf-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---- 减动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pf-path__dot {
    animation: none;
  }

  .page-products .pf-scale__seg {
    animation: none;
  }

  .page-products .pf-path,
  .page-products .pf-tiers tbody tr,
  .page-products .pf-delta,
  .page-products .pf-links a,
  .page-products .pf-rail__item {
    transition: none;
  }

  .page-products .pf-path:hover {
    transform: none;
  }
}