.page-products {
  --biz-cut: 20px;
  --biz-line: 1px solid var(--c-line);
  color: var(--c-white);
}

.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products .biz-crumb {
  padding-top: clamp(14px, 2vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-products .biz-hero {
  padding-block: clamp(18px, 2.6vw, 34px) clamp(26px, 4vw, 56px);
  position: relative;
}

.page-products .biz-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(220px, 40%);
  height: 3px;
  background: var(--c-neon);
}

.page-products .biz-hero__kicker {
  color: var(--c-neon);
  margin: 0 0 clamp(10px, 1.6vw, 18px);
}

.page-products .biz-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 12vw, 132px);
  line-height: 0.9;
  letter-spacing: -0.01em;
}

.page-products .biz-hero__title em {
  display: block;
  font-style: normal;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(15px, 1.9vw, 23px);
  line-height: 1.35;
  letter-spacing: 0.06em;
  color: var(--c-neon);
  margin-top: clamp(12px, 1.6vw, 20px);
}

.page-products .biz-hero__lead {
  max-width: 64ch;
  margin: clamp(16px, 2.4vw, 28px) 0 0;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.6;
  color: var(--c-white);
}

.page-products .biz-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3vw, 40px);
  background: var(--c-line);
  border: var(--biz-line);
}

.page-products .biz-hero__stats .stat {
  background: var(--c-asphalt);
  padding: clamp(12px, 1.6vw, 20px);
}

/* ---------- 栏目总览 ---------- */
.page-products .biz-overview {
  position: relative;
  margin-top: clamp(20px, 3vw, 36px);
  padding: clamp(14px, 1.8vw, 24px);
  border: var(--biz-line);
  background: var(--c-graphite);
  overflow: hidden;
}

.page-products .biz-overview__fig {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0.16;
  pointer-events: none;
}

.page-products .biz-overview__fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.4);
}

.page-products .biz-overview::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--c-line);
  display: none;
}

.page-products .biz-overview__grid {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-products .biz-cell {
  position: relative;
  padding: var(--pad);
  background: var(--c-steel);
  border: var(--biz-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--biz-cut)), calc(100% - var(--biz-cut)) 100%, 0 100%);
  transition: background-color 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-products .biz-cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(112deg, transparent 0 9px, rgba(200, 255, 46, 0.07) 9px 10px);
  opacity: 0;
  transition: opacity 0.32s var(--ease);
  pointer-events: none;
}

.page-products .biz-cell:hover,
.page-products .biz-cell:focus-within {
  background: #232C29;
  border-color: var(--c-neon-deep);
}

.page-products .biz-cell:hover::before,
.page-products .biz-cell:focus-within::before {
  opacity: 1;
}

.page-products .biz-cell__idx {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-neon);
  margin-bottom: 10px;
}

.page-products .biz-cell__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.2vw, 30px);
  line-height: 1.1;
}

.page-products .biz-cell__desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.58;
  color: var(--c-muted);
}

.page-products .biz-cell__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid var(--c-neon-deep);
  padding-bottom: 2px;
}

.page-products .biz-cell__link:hover {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

.page-products .biz-cell__meta {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  overflow: hidden;
  transition: grid-template-rows 0.34s var(--ease), opacity 0.34s var(--ease);
}

.page-products .biz-cell__metaInner {
  overflow: hidden;
  padding-top: 12px;
  border-top: var(--biz-line);
  margin-top: 14px;
}

.page-products .biz-cell__meta .label {
  color: var(--c-neon);
}

.page-products .biz-cell:hover .biz-cell__meta,
.page-products .biz-cell:focus-within .biz-cell__meta {
  grid-template-rows: 1fr;
  opacity: 1;
}

/* ---------- 通用两列 ---------- */
.page-products .biz-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
}

/* ---------- 事实列表 ---------- */
.page-products .biz-facts {
  list-style: none;
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  padding: 0;
  border-top: var(--biz-line);
}

.page-products .biz-facts--tight {
  margin-top: clamp(16px, 2vw, 24px);
}

.page-products .biz-fact {
  display: grid;
  grid-template-columns: minmax(80px, 108px) minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 22px);
  align-items: baseline;
  padding: clamp(12px, 1.5vw, 18px) 0;
  border-bottom: var(--biz-line);
}

.page-products .biz-fact__k {
  color: var(--c-neon);
  font-weight: 700;
  font-size: clamp(15px, 1.3vw, 18px);
}

.page-products .biz-fact span:last-child {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 状态标签组 ---------- */
.page-products .biz-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .biz-tags li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.page-products .biz-tags .label {
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

.page-products .biz-state {
  position: relative;
}

/* ---------- 分级带 ---------- */
.page-products .biz-band-fig {
  margin: clamp(18px, 2.6vw, 30px) 0 clamp(16px, 2vw, 24px);
}

.page-products .biz-band {
  margin-top: clamp(4px, 1vw, 12px);
}

.page-products .biz-level {
  --lv: var(--c-neon);
  min-width: min(300px, 80vw);
  padding: var(--pad);
  background: var(--c-graphite);
  border: var(--biz-line);
  border-top: 3px solid var(--lv);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--biz-cut)), calc(100% - var(--biz-cut)) 100%, 0 100%);
}

.page-products .biz-level--b { --lv: var(--c-neon-deep); }
.page-products .biz-level--c { --lv: var(--c-flag-red); }
.page-products .biz-level--d { --lv: var(--c-warn-yellow); }

.page-products .biz-level__code {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--lv);
  margin-bottom: 10px;
}

.page-products .biz-level__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.12;
}

.page-products .biz-level__desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.58;
  color: var(--c-muted);
}

.page-products .biz-level .label {
  display: block;
  padding-top: 12px;
  border-top: var(--biz-line);
  color: var(--c-white);
  opacity: 0.7;
}

/* ---------- 折叠 ---------- */
.page-products .biz-folds {
  margin-top: clamp(20px, 2.8vw, 34px);
  border-top: var(--biz-line);
}

.page-products .biz-fold {
  border-bottom: var(--biz-line);
}

.page-products .biz-fold .fold__summary {
  padding-block: clamp(12px, 1.5vw, 18px);
}

.page-products .biz-field {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--c-steel);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--c-white);
}

.page-products .biz-field .mono {
  color: var(--c-neon-deep);
}

.page-products .biz-fields {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 表格 ---------- */
.page-products .biz-table {
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-products .biz-table caption {
  text-align: left;
  padding-bottom: 10px;
  color: var(--c-neon);
}

.page-products .biz-prose {
  margin: clamp(14px, 2vw, 22px) 0 0;
  color: var(--c-white);
  font-size: 15px;
  line-height: 1.6;
  max-width: 66ch;
}

/* ---------- 指标切换 ---------- */
.page-products .biz-metric-fig {
  margin: clamp(18px, 2.6vw, 30px) 0;
}

.page-products .metric {
  position: relative;
  margin-top: clamp(6px, 1.4vw, 16px);
}

.page-products .metric__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .metric__label {
  display: inline-block;
  padding: 9px 16px;
  margin: 0 6px 8px 0;
  border: var(--biz-line);
  background: var(--c-graphite);
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.28s var(--ease), background-color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-products .metric__label:hover {
  color: var(--c-white);
  border-color: var(--c-neon-deep);
}

.page-products .metric__input:focus-visible ~ .metric__label[for="mv-score"],
.page-products .metric__input:focus-visible ~ .metric__label[for="mv-round"],
.page-products .metric__input:focus-visible ~ .metric__label[for="mv-control"],
.page-products .metric__input:focus-visible ~ .metric__label[for="mv-penalty"] {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.page-products .metric__input--score:checked ~ .metric__label[for="mv-score"],
.page-products .metric__input--round:checked ~ .metric__label[for="mv-round"],
.page-products .metric__input--control:checked ~ .metric__label[for="mv-control"],
.page-products .metric__input--penalty:checked ~ .metric__label[for="mv-penalty"] {
  color: var(--c-asphalt);
  background: var(--c-neon);
  border-color: var(--c-neon);
}

.page-products .metric__panels {
  margin-top: clamp(12px, 1.8vw, 20px);
  padding-top: clamp(16px, 2vw, 24px);
  border-top: var(--biz-line);
}

.page-products .metric__panel {
  display: none;
}

.page-products .metric__input--score:checked ~ .metric__panels .metric__panel[data-metric="score"],
.page-products .metric__input--round:checked ~ .metric__panels .metric__panel[data-metric="round"],
.page-products .metric__input--control:checked ~ .metric__panels .metric__panel[data-metric="control"],
.page-products .metric__input--penalty:checked ~ .metric__panels .metric__panel[data-metric="penalty"] {
  display: block;
}

.page-products .metric__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.1;
  color: var(--c-neon);
}

.page-products .metric__desc {
  margin: 0 0 clamp(14px, 1.8vw, 20px);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-white);
}

.page-products .biz-note {
  margin: clamp(20px, 2.6vw, 32px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-neon);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--c-muted);
  max-width: 72ch;
}

/* ---------- 出口 ---------- */
.page-products .biz-exits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(16px, 2vw, 26px);
}

.page-products .biz-exit-section {
  border-top: var(--biz-line);
}

/* ---------- 桌面栅格与对角错位 ---------- */
@media (min-width: 720px) {
  .page-products .biz-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 1000px) {
  .page-products .biz-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .biz-split--flip {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-products .biz-split--flip .biz-split__main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .biz-split--flip .biz-split__side {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .biz-overview {
    padding: clamp(20px, 2.4vw, 34px);
  }

  .page-products .biz-overview::after {
    display: block;
  }

  .page-products .biz-overview__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(16px, 1.8vw, 26px);
    row-gap: clamp(24px, 3vw, 52px);
  }

  .page-products .biz-cell:nth-child(1) {
    grid-column: 1 / span 5;
  }

  .page-products .biz-cell:nth-child(2) {
    grid-column: 7 / span 5;
    margin-top: clamp(26px, 3.4vw, 56px);
  }

  .page-products .biz-cell:nth-child(3) {
    grid-column: 2 / span 5;
    margin-top: clamp(6px, 1vw, 16px);
  }

  .page-products .biz-cell:nth-child(4) {
    grid-column: 8 / span 5;
    margin-top: clamp(34px, 4vw, 72px);
  }
}

@media (hover: none) {
  .page-products .biz-cell__meta {
    grid-template-rows: 1fr;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .biz-cell,
  .page-products .biz-cell::before,
  .page-products .biz-cell__meta,
  .page-products .metric__label {
    transition: none;
  }

  .page-products .biz-cell__meta {
    grid-template-rows: 1fr;
    opacity: 1;
  }
}