.page-products {
  --pp-section-gap: clamp(3rem, 8vw, 6.5rem);
  --pp-band: clamp(1.75rem, 5vw, 3.5rem);
  --pp-card-pad: clamp(1.1rem, 2.4vw, 1.8rem);
  display: block;
  color: var(--snow);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

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

.page-products .section {
  padding: var(--pp-section-gap) 0;
}

.page-products .section--tight {
  padding-top: 0;
}

.page-products .feat-head {
  display: grid;
  gap: 0.6rem;
  max-width: 46rem;
}

.page-products .feat-head .lede {
  max-width: 40em;
  color: rgba(233, 244, 238, 0.78);
  font-size: 1rem;
}

/* ---------- 首屏 ---------- */

.page-products .feat-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.25rem, 10vw, 8rem) 0 clamp(2.5rem, 6vw, 4.25rem);
  background:
    radial-gradient(90% 70% at 92% 2%, rgba(125, 240, 190, 0.15), transparent 62%),
    linear-gradient(165deg, var(--ink-800) 0%, var(--ink-900) 64%);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .feat-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -20%;
  right: -8%;
  width: min(64vw, 760px);
  height: 132%;
  background: linear-gradient(205deg, rgba(140, 107, 255, 0.26), rgba(53, 185, 224, 0.17) 46%, rgba(6, 18, 13, 0) 78%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .feat-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: 0;
  width: min(46%, 420px);
  height: 3px;
  background: linear-gradient(90deg, var(--mint), var(--amber) 55%, var(--red));
  opacity: 0.8;
}

.page-products .feat-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .feat-hero__main {
  min-width: 0;
}

.page-products .feat-hero h1 {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--snow);
  text-wrap: balance;
}

.page-products .feat-hero .lede {
  margin: 1.1rem 0 0;
  max-width: 36em;
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  line-height: 1.85;
  color: rgba(233, 244, 238, 0.82);
}

.page-products .feat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.75rem;
}

.page-products .feat-hero__side {
  display: grid;
  align-content: start;
  padding: clamp(1rem, 2.6vw, 1.5rem);
  background: linear-gradient(155deg, rgba(22, 51, 38, 0.94), rgba(13, 33, 24, 0.72));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut-sm);
  box-shadow: var(--shadow-lift);
  min-width: 0;
}

.page-products .feat-hero__side-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 0.84rem;
  color: var(--muted);
}

.page-products .feat-hero__side-row:last-child {
  border-bottom: 0;
}

.page-products .feat-hero__side-row .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--amber);
}

/* ---------- 本页栏目索引 ---------- */

.page-products .feat-index {
  position: relative;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .feat-index__inner {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  scrollbar-width: thin;
}

.page-products .feat-index__inner a {
  flex: 0 0 auto;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-products .feat-index__inner a:hover,
.page-products .feat-index__inner a.is-active {
  color: var(--ink-900);
  background: var(--mint);
  border-color: var(--mint);
}

/* ---------- 筛选条 ---------- */

.page-products .feat-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.page-products .filter-chip[aria-pressed="true"] {
  background: rgba(125, 240, 190, 0.16);
  border-color: var(--mint);
  color: var(--mint);
}

.page-products .filter-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--amber);
  padding-left: 0.35rem;
}

/* ---------- 栏目矩阵 ---------- */

.page-products .feat-matrix__grid {
  display: grid;
  gap: 1px;
  margin-top: 1.75rem;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut);
  overflow: hidden;
}

.page-products .feat-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 170px;
  padding: var(--pp-card-pad);
  background: var(--ink-800);
  transition: background 0.25s ease;
}

.page-products .feat-card:hover {
  background: var(--ink-700);
}

.page-products .feat-card__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .feat-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.1vw, 1.25rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-products .feat-card p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(233, 244, 238, 0.72);
}

.page-products .feat-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1rem;
  margin: auto 0 0;
  padding: 0.75rem 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.76rem;
  color: var(--muted);
}

.page-products .feat-card__meta .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  font-size: 0.86rem;
}

/* ---------- 节奏留白带 ---------- */

.page-products .feat-band {
  height: var(--pp-band);
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, transparent, rgba(28, 74, 56, 0.2), transparent);
}

/* ---------- 比分与积分榜 ---------- */

.page-products .feat-score__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .feat-score__text {
  min-width: 0;
}

.page-products .feat-score__text > p {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(233, 244, 238, 0.78);
}

.page-products .feat-rules {
  display: grid;
  gap: 1px;
  margin: 1.6rem 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut-sm);
  overflow: hidden;
}

.page-products .feat-rules > div {
  padding: 0.9rem 1.1rem;
  background: var(--ink-800);
}

.page-products .feat-rules dt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  color: var(--mint);
}

.page-products .feat-rules dd {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(233, 244, 238, 0.74);
}

.page-products .feat-score__media,
.page-products .feat-pinyin__media,
.page-products .feat-monthly__media,
.page-products .feat-metrics__media {
  margin: 0;
}

.page-products .media__caption {
  margin-top: 0.7rem;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 细粒度指标 ---------- */

.page-products .feat-metrics__grid {
  display: grid;
  gap: clamp(2rem, 4.5vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
  margin-top: 1.75rem;
}

.page-products .feat-metrics__bars {
  display: grid;
  gap: 1.35rem;
  align-content: start;
  min-width: 0;
}

.page-products .feat-bar__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.86rem;
  color: rgba(233, 244, 238, 0.86);
}

.page-products .feat-bar__head .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--amber);
}

.page-products .feat-bar__track {
  position: relative;
  height: 12px;
  margin-top: 0.55rem;
  border-radius: 999px;
  background: var(--ink-700);
  overflow: hidden;
}

.page-products .feat-bar__fill {
  display: block;
  height: 100%;
  width: var(--v, 0%);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint), var(--cyan));
}

.page-products .feat-bar--alert .feat-bar__fill {
  background: linear-gradient(90deg, var(--red), var(--amber));
}

.page-products .feat-metrics__media {
  margin-top: 1.4rem;
}

.page-products .feat-metrics__list {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut-sm);
  overflow: hidden;
}

.page-products .feat-metrics__list > div {
  padding: 0.95rem 1.15rem;
  background: var(--ink-800);
}

.page-products .feat-metrics__list dt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--snow);
}

.page-products .feat-metrics__list dd {
  margin: 0.3rem 0 0;
  font-size: 0.84rem;
  line-height: 1.85;
  color: rgba(233, 244, 238, 0.72);
}

/* ---------- 拼音索引 ---------- */

.page-products .feat-pinyin__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.25rem);
  grid-template-columns: minmax(0, 1fr);
  margin-top: 1.75rem;
}

.page-products .feat-pinyin__list {
  min-width: 0;
}

.page-products .feat-letter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.5rem);
  align-items: start;
  padding: clamp(0.9rem, 2vw, 1.25rem) 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .feat-letter:first-child {
  border-top: 1px dashed var(--line-soft);
}

.page-products .feat-letter__glyph {
  display: block;
  min-width: 3.2rem;
  padding: 0.5rem 0.7rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.5vw, 3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  text-align: center;
  color: var(--mint);
  background: linear-gradient(150deg, rgba(53, 185, 224, 0.22), rgba(125, 240, 190, 0.06));
  border: 1px solid var(--line);
  border-radius: var(--r-cut-sm);
}

.page-products .feat-letter__body {
  min-width: 0;
}

.page-products .feat-letter__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.85rem;
  margin: 0;
  padding: 0.45rem 0;
  font-size: 0.84rem;
  color: rgba(233, 244, 238, 0.82);
  border-bottom: 1px solid rgba(28, 74, 56, 0.42);
}

.page-products .feat-letter__line:last-child {
  border-bottom: 0;
}

.page-products .feat-letter__line .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 青训梯队 ---------- */

.page-products .feat-youth {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .feat-tree__svg {
  display: block;
  width: 100%;
  max-width: 680px;
  height: auto;
  margin: 1.75rem auto 0;
}

.page-products .feat-tree__link {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.6;
}

.page-products .is-visible .feat-tree__link {
  animation: pp-draw 900ms ease-out both;
}

@keyframes pp-draw {
  from {
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    opacity: 0.25;
  }
  to {
    stroke-dasharray: 300;
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

.page-products .feat-tree__node {
  stroke: rgba(6, 18, 13, 0.7);
  stroke-width: 2;
}

.page-products .feat-tree__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  fill: var(--snow);
  text-anchor: middle;
}

.page-products .feat-tree__list {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: minmax(0, 1fr);
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-tree__item {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut-sm);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .feat-tree__item summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--snow);
}

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

.page-products .feat-tree__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--mint);
}

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

.page-products .feat-tree__item[open] summary {
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .feat-tree__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(150deg, var(--cyan), var(--mint));
  box-shadow: 0 0 0 3px rgba(53, 185, 224, 0.18);
}

.page-products .feat-tree__item p {
  margin: 0;
  padding: 0.85rem 1.05rem 1rem;
  font-size: 0.84rem;
  line-height: 1.85;
  color: rgba(233, 244, 238, 0.72);
}

/* ---------- 回看月报 ---------- */

.page-products .feat-monthly {
  background: linear-gradient(150deg, rgba(140, 107, 255, 0.16), rgba(255, 138, 61, 0.1) 58%, transparent 92%);
  border-top: 1px solid rgba(140, 107, 255, 0.3);
  border-bottom: 1px solid rgba(255, 138, 61, 0.24);
}

.page-products .feat-monthly__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .feat-monthly__lead {
  min-width: 0;
}

.page-products .feat-monthly__lead > p {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(233, 244, 238, 0.8);
}

.page-products .feat-monthly__parts {
  display: grid;
  gap: 1.15rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-monthly__parts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding-left: 0.95rem;
  border-left: 2px solid rgba(140, 107, 255, 0.55);
}

.page-products .feat-monthly__parts li:nth-child(2) {
  border-left-color: rgba(255, 138, 61, 0.65);
}

.page-products .feat-monthly__parts li:nth-child(3) {
  border-left-color: rgba(245, 177, 60, 0.65);
}

.page-products .feat-monthly__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--amber);
  padding-top: 0.2rem;
}

.page-products .feat-monthly__parts h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.94rem;
  color: var(--snow);
}

.page-products .feat-monthly__parts p {
  margin: 0.3rem 0 0;
  font-size: 0.84rem;
  line-height: 1.85;
  color: rgba(233, 244, 238, 0.72);
}

.page-products .feat-monthly__more {
  margin: 1.5rem 0 0;
  font-size: 0.86rem;
}

.page-products .feat-monthly__more a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 字段表与引用 ---------- */

.page-products .feat-schema__scroll {
  margin-top: 1.75rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .feat-schema__table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.page-products .feat-schema__caption {
  caption-side: top;
  padding: 0.85rem 1rem;
  text-align: left;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--ink-700);
}

.page-products .feat-schema__table th,
.page-products .feat-schema__table td {
  padding: 0.7rem 0.95rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(28, 74, 56, 0.5);
}

.page-products .feat-schema__table th {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
  background: var(--ink-700);
}

.page-products .feat-schema__table tbody tr:hover {
  background: rgba(125, 240, 190, 0.055);
}

.page-products .feat-schema__table td:first-child {
  font-family: var(--font-mono);
  color: var(--mint);
  white-space: nowrap;
}

.page-products .feat-schema__table td:nth-child(3) {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  white-space: nowrap;
}

.page-products .feat-schema__table td:nth-child(4) {
  color: rgba(233, 244, 238, 0.7);
}

.page-products .feat-cite {
  margin-top: 1.75rem;
  padding: clamp(1.1rem, 2.8vw, 1.7rem);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--mint);
  border-radius: var(--r-cut-sm);
}

.page-products .feat-cite h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--snow);
}

.page-products .feat-cite p {
  margin: 0.75rem 0 0;
  font-size: 0.87rem;
  line-height: 1.85;
  color: rgba(233, 244, 238, 0.76);
}

.page-products .feat-cite a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .feat-cite__code {
  display: block;
  padding: 0.9rem 1.05rem;
  background: var(--ink-900);
  border: 1px dashed var(--line);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  line-height: 1.9;
  color: var(--mint);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 收尾 ---------- */

.page-products .feat-next__inner {
  display: grid;
  gap: 0.9rem;
  padding: clamp(1.6rem, 4vw, 2.6rem);
  background: linear-gradient(140deg, var(--ink-700), var(--ink-800));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-cut);
}

.page-products .feat-next__inner p {
  margin: 0;
  max-width: 44em;
  font-size: 0.9rem;
  line-height: 1.9;
  color: rgba(233, 244, 238, 0.78);
}

.page-products .feat-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.35rem;
}

/* ---------- 动效 ---------- */

.page-products [data-reveal].is-visible {
  animation: pp-rise 0.55s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

@keyframes pp-rise {
  from {
    opacity: 0.35;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal].is-visible,
  .page-products .is-visible .feat-tree__link {
    animation: none;
  }
}

/* ---------- 平板与桌面 ---------- */

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

@media (min-width: 860px) {
  .page-products .feat-matrix__grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-products .feat-card--xl {
    grid-column: span 7;
  }

  .page-products .feat-card--lg {
    grid-column: span 5;
  }

  .page-products .feat-card--md {
    grid-column: span 6;
  }
}

@media (min-width: 900px) {
  .page-products .feat-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 0.78fr);
    align-items: end;
  }

  .page-products .feat-metrics__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .feat-pinyin__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-products .feat-score__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-products .feat-monthly__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-products .feat-hero__side-row .num {
    font-size: 1.5rem;
  }
}
<<<END>>>

.page-products {
  --v: 1rem;
}