.page-products {
  --cat-gap: clamp(16px, 2.4vw, 30px);
  --cat-rule: rgba(11, 59, 66, .14);
  --cat-rule-light: rgba(220, 239, 242, .18);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 52px) 0 clamp(34px, 5vw, 74px);
  background: linear-gradient(180deg, var(--snow) 0%, #e9f5f4 58%, var(--paper) 100%);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(11, 59, 66, .055) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(11, 59, 66, .055) 0 1px, transparent 1px 92px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
}

.page-products .cat-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .cat-hero .display-title {
  margin: 10px 0 0;
  font-size: clamp(2.1rem, 5.4vw, 4.2rem);
  line-height: 1.06;
  color: var(--deep);
}

.page-products .cat-hero .lede {
  margin-top: 18px;
  color: var(--deep-2);
  max-width: 56ch;
}

.page-products .cat-hero .tag-row {
  margin-top: 22px;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 快捷入口卡 */
.page-products .cat-quick {
  position: relative;
  border-radius: var(--radius-xl);
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(160deg, var(--deep) 0%, #0d4a52 62%, var(--deep-2) 100%);
  color: var(--snow);
  box-shadow: 0 22px 46px -28px rgba(11, 59, 66, .7);
}

.page-products .cat-quick .eyebrow {
  color: var(--neon);
  margin: 0 0 8px;
}

.page-products .cat-quick h2 {
  margin: 0 0 12px;
  font-size: clamp(1.32rem, 2.6vw, 1.66rem);
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .cat-quick__text {
  margin: 0 0 18px;
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(220, 239, 242, .82);
}

.page-products .cat-quick__steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .cat-quick__steps li {
  display: flex;
  align-items: baseline;
  gap: .7em;
  font-size: .92rem;
  line-height: 1.6;
  color: rgba(220, 239, 242, .92);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--cat-rule-light);
}

.page-products .cat-quick__steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-quick__steps .mono {
  color: var(--neon);
  font-size: .78rem;
  letter-spacing: .08em;
}

.page-products .cat-hero__mediawrap {
  position: relative;
  margin-top: clamp(26px, 3.6vw, 48px);
}

/* ---------- 通用章节头 ---------- */
.page-products .cat-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-products .cat-head .eyebrow {
  margin: 0 0 8px;
}

.page-products .cat-head .section-title {
  margin: 0;
  color: var(--deep);
}

.page-products .cat-head .lede {
  margin-top: 14px;
  color: var(--deep-2);
}

.page-products .cat-head--invert .section-title {
  color: var(--paper);
}

.page-products .cat-head--invert .eyebrow {
  color: var(--neon);
}

.page-products .cat-head--invert .lede {
  color: rgba(220, 239, 242, .8);
}

/* ---------- 目录矩阵 ---------- */
.page-products .cat-matrix__grid {
  display: grid;
  gap: var(--cat-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-matrix__card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--cat-rule);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.6vw, 28px);
  box-shadow: 0 1px 0 rgba(11, 59, 66, .04);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.page-products .cat-matrix__card::after {
  content: "";
  position: absolute;
  left: clamp(20px, 2.6vw, 28px);
  right: auto;
  top: 0;
  width: 44px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--red);
}

.page-products .cat-matrix__card:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 240, 208, .55);
  box-shadow: 0 18px 36px -26px rgba(11, 59, 66, .65);
}

.page-products .cat-matrix__num {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--wine);
  margin-bottom: 12px;
}

.page-products .cat-matrix__card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  letter-spacing: -.01em;
  color: var(--deep);
}

.page-products .cat-matrix__card p {
  margin: 0 0 18px;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--deep-2);
}

.page-products .cat-matrix__link {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 59, 66, .35);
  padding-bottom: 2px;
}

.page-products .cat-matrix__link::after {
  content: "→";
  color: var(--red);
}

.page-products .cat-matrix__link:hover,
.page-products .cat-matrix__link:focus-visible {
  color: var(--wine);
  border-bottom-color: var(--wine);
}

/* ---------- 品牌对比 ---------- */
.page-products .cat-compare__media {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .cat-compare__body {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .cat-compare__aside {
  background: rgba(220, 239, 242, .07);
  border: 1px solid var(--cat-rule-light);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-products .cat-compare__aside h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  letter-spacing: .02em;
  color: var(--neon);
  font-family: var(--font-mono);
}

.page-products .cat-compare__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .cat-compare__list li {
  display: flex;
  gap: .8em;
  align-items: baseline;
  font-size: .92rem;
  line-height: 1.65;
  color: rgba(220, 239, 242, .88);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--cat-rule-light);
}

.page-products .cat-compare__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-compare__list .mono {
  color: var(--neon);
  font-size: .76rem;
  flex: none;
}

.page-products .cat-compare__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.page-products .cat-compare__stats .stat {
  background: rgba(53, 240, 208, .1);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  text-align: center;
}

.page-products .cat-compare__stats .stat-figure {
  display: block;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  line-height: 1;
  color: var(--neon);
  letter-spacing: -.02em;
}

.page-products .cat-compare__stats .stat-label {
  display: block;
  margin-top: 6px;
  font-size: .72rem;
  color: rgba(220, 239, 242, .78);
  line-height: 1.4;
}

.page-products .cat-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-products .cat-note--invert {
  color: rgba(220, 239, 242, .7);
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-products .cat-compare__aside .cat-note {
  color: rgba(220, 239, 242, .62);
}

.page-products .cat-compare__tablewrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .cat-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  color: var(--ink);
  font-size: .92rem;
}

.page-products .cat-table thead th {
  background: var(--deep);
  color: var(--snow);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  font-weight: 600;
  text-align: left;
  padding: 13px 14px;
  white-space: nowrap;
}

.page-products .cat-table tbody th {
  text-align: left;
  font-weight: 700;
  color: var(--deep);
  padding: 13px 14px;
  border-bottom: 1px solid var(--cat-rule);
  white-space: nowrap;
}

.page-products .cat-table tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--cat-rule);
  line-height: 1.6;
  color: var(--deep-2);
  vertical-align: top;
}

.page-products .cat-table tbody tr:nth-child(even) {
  background: rgba(220, 239, 242, .34);
}

.page-products .cat-table tbody tr:hover {
  background: rgba(53, 240, 208, .16);
}

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

.page-products .cat-state {
  display: inline-block;
  padding: .22em .72em;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  white-space: nowrap;
}

.page-products .cat-state--ok {
  background: rgba(11, 59, 66, .1);
  color: var(--deep);
}

.page-products .cat-state--staged {
  background: rgba(110, 31, 46, .12);
  color: var(--wine);
}

/* ---------- 额度评测 ---------- */
.page-products .cat-quota__grid {
  display: grid;
  gap: var(--cat-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-dim {
  border: 1px solid var(--cat-rule-light);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(220, 239, 242, .05);
  transition: background .28s ease, border-color .28s ease;
}

.page-products .cat-dim:hover {
  background: rgba(220, 239, 242, .1);
  border-color: rgba(53, 240, 208, .48);
}

.page-products .cat-dim__num {
  display: inline-block;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--neon);
  margin-bottom: 10px;
}

.page-products .cat-dim h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .cat-dim p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: rgba(220, 239, 242, .82);
}

.page-products .cat-quota__media {
  margin-top: clamp(26px, 3.4vw, 44px);
  max-width: 720px;
}

/* ---------- 适配清单 ---------- */
.page-products .cat-badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: .6em;
  padding: .18em .7em;
  border-radius: var(--radius-pill);
  background: var(--wine);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  font-weight: 600;
}

.page-products .cat-device__grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .cat-device__list {
  display: grid;
  gap: 12px;
}

.page-products .cat-acc {
  background: var(--paper);
  border: 1px solid rgba(11, 59, 66, .16);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .cat-acc summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  font-weight: 700;
  color: var(--deep);
  list-style: none;
}

.page-products .cat-acc summary::-webkit-details-marker {
  display: none;
}

.page-products .cat-acc summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--deep-2);
}

.page-products .cat-acc[open] summary::after {
  content: "－";
}

.page-products .cat-acc summary .mono {
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--wine);
}

.page-products .cat-acc[open] summary {
  border-bottom: 1px solid rgba(11, 59, 66, .14);
}

.page-products .cat-acc__body {
  padding: 16px 18px 18px;
}

.page-products .cat-acc__list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .cat-acc__list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--deep-2);
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(11, 59, 66, .14);
}

.page-products .cat-acc__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-acc__list .mono {
  color: var(--deep);
  font-size: .82rem;
  flex: none;
}

.page-products .cat-acc__body p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .cat-device__media {
  margin: 0;
}

.page-products .cat-device__more {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* ---------- 快捷路径 ---------- */
.page-products .cat-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-path__node {
  position: relative;
  background: linear-gradient(150deg, var(--deep) 0%, #0e4a52 100%);
  color: var(--snow);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.2vw, 24px);
  display: grid;
  gap: 6px;
}

.page-products .cat-path__num {
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--neon);
}

.page-products .cat-path__node strong {
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .cat-path__desc {
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(220, 239, 242, .8);
}

.page-products .cat-pathwrap__media {
  margin-top: clamp(24px, 3.2vw, 40px);
}

/* ---------- 下一步 ---------- */
.page-products .cat-next {
  background: var(--paper);
}

.page-products .cat-next__grid {
  display: grid;
  gap: var(--cat-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-next__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--cat-rule);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.6vw, 28px);
  background: linear-gradient(180deg, #ffffff 0%, var(--snow) 100%);
}

.page-products .cat-next__card h3 {
  margin: 0;
  font-size: 1.08rem;
  letter-spacing: -.01em;
  color: var(--deep);
}

.page-products .cat-next__card p {
  margin: 0;
  flex: 1;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--deep-2);
}

.page-products .cat-next__card .btn {
  align-self: flex-start;
}

.page-products .cat-next__foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: .9rem;
  color: var(--slate);
}

.page-products .cat-next__foot a {
  color: var(--deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .cat-next__foot a:hover,
.page-products .cat-next__foot a:focus-visible {
  color: var(--wine);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .cat-matrix__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .cat-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .82fr);
    align-items: start;
  }

  .page-products .cat-compare__body {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  }

  .page-products .cat-device__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-products .cat-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 54px;
  }

  .page-products .cat-path__node:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -27px;
    width: 54px;
    height: 2px;
    background: repeating-linear-gradient(90deg, rgba(11, 59, 66, .55) 0 7px, transparent 7px 14px);
    transform: translateY(-50%);
  }

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

@media (min-width: 1120px) {
  .page-products .cat-matrix__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-quota__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .page-products .cat-compare__tablewrap {
    overflow: visible;
    border-radius: 0;
  }

  .page-products .cat-table {
    background: transparent;
    display: block;
  }

  .page-products .cat-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-products .cat-table tbody,
  .page-products .cat-table tr,
  .page-products .cat-table th,
  .page-products .cat-table td {
    display: block;
    width: 100%;
  }

  .page-products .cat-table tbody tr {
    background: var(--paper);
    border: 1px solid var(--cat-rule);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 12px;
  }

  .page-products .cat-table tbody tr:nth-child(even) {
    background: var(--paper);
  }

  .page-products .cat-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .page-products .cat-table tbody th {
    padding: 0 0 10px;
    border-bottom: 1px solid rgba(11, 59, 66, .18);
    font-size: 1.02rem;
  }

  .page-products .cat-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 14px;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(11, 59, 66, .14);
    font-size: .89rem;
  }

  .page-products .cat-table tbody tr td:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-products .cat-table tbody td::before {
    content: attr(data-label);
    flex: none;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .05em;
    color: var(--slate);
  }
}

@media (max-width: 480px) {
  .page-products .cat-compare__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .page-products .cat-compare__stats .stat {
    padding: 10px 6px;
  }

  .page-products .cat-matrix__card,
  .page-products .cat-next__card {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-matrix__card,
  .page-products .cat-dim {
    transition: none;
  }

  .page-products .cat-matrix__card:hover {
    transform: none;
  }
}