.page-products {
  --pp-rail: 244px;
  --pp-body-gap: 40px;
  color: var(--ink-200);
  font-size: 16px;
  line-height: 1.75;
}

.page-products .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 44px;
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% -10%;
  background:
    radial-gradient(56% 54% at 16% 10%, rgba(53, 224, 214, 0.16), transparent 68%),
    radial-gradient(46% 48% at 88% 4%, rgba(255, 107, 74, 0.12), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .tools-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .tools-hero .eyebrow {
  margin: 0;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .tools-hero h1 {
  margin: 16px 0 0;
  max-width: 15ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--paper-050);
}

.page-products .tools-hero .lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
  color: var(--ink-200);
}

.page-products .hero-readouts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.page-products .hero-readout {
  padding: 15px 16px 13px;
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
  box-shadow: var(--shadow-card);
}

.page-products .readout-line {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0;
}

.page-products .hero-readout .readout-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.05rem);
  line-height: 1.1;
  color: var(--cyan-400);
  letter-spacing: 0.02em;
}

.page-products .hero-readout .readout-unit {
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-products .hero-readout .readout-label {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- 控制台骨架 ---------- */
.page-products .console {
  display: grid;
  gap: 20px;
  padding-bottom: 64px;
}

.page-products .console-rail {
  position: sticky;
  top: 84px;
  z-index: 6;
  display: grid;
  gap: 12px;
}

.page-products .toc {
  padding: 12px 12px 10px;
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
  backdrop-filter: blur(8px);
}

.page-products .toc-title {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .toc-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .toc-link {
  display: block;
  flex: 0 0 auto;
  padding: 7px 11px;
  font-size: 0.8125rem;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border-radius: 2px;
  border-left: 0;
  transition: color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-products .toc-link:hover,
.page-products .toc-link:focus-visible {
  color: var(--paper-050);
}

.page-products .toc-link.is-active,
.page-products .toc-link[aria-current="true"] {
  color: var(--cyan-400);
  background: rgba(53, 224, 214, 0.09);
}

.page-products .rail-note {
  padding: 14px 16px;
  background: var(--glass-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
}

.page-products .rail-note-k {
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .rail-note-v {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--coral-500);
}

.page-products .rail-note-s {
  margin: 6px 0 0;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 章节 ---------- */
.page-products .console-body {
  min-width: 0;
}

.page-products .block {
  padding: 32px 0 36px;
  border-top: 1px solid var(--line-soft);
}

.page-products .block:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-products .block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 12px;
}

.page-products .block-head .section-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-products .block-head .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--paper-050);
}

.page-products .block-lead {
  margin: 0;
  max-width: 72ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-200);
}

.page-products .block-tail {
  margin: 18px 0 0;
  max-width: 72ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .block-lead a,
.page-products .block-tail a,
.page-products .step-text a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.4);
}

.page-products .block-lead a:hover,
.page-products .block-tail a:hover,
.page-products .step-text a:hover {
  border-bottom-color: var(--cyan-400);
}

.page-products .page-fig {
  margin: 22px 0 0;
}

/* ---------- 01 标签索引 ---------- */
.page-products .tag-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-products .tag-group {
  padding: 17px 17px 18px;
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
  box-shadow: var(--shadow-card);
}

.page-products .tag-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 10px;
}

.page-products .tag-group-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper-050);
  letter-spacing: 0.02em;
}

.page-products .tag-group-count {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-products .tag-group-desc {
  margin: 8px 0 12px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .tag-group .chip-row {
  gap: 6px;
}

.page-products .tag-group .chip {
  font-size: 0.8125rem;
  padding: 4px 10px;
  border: 1px solid var(--line-glass);
  background: rgba(53, 224, 214, 0.06);
  color: var(--ink-100);
}

/* ---------- 02 工具面板 ---------- */
.page-products .tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-products .tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  background: linear-gradient(158deg, var(--sea-800) 0%, var(--sea-900) 100%);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
  box-shadow: var(--shadow-card);
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease);
}

.page-products .tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-glass);
}

.page-products .tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .tool-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .tool-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-products .tool-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 8px rgba(53, 224, 214, 0.9);
}

.page-products .tool-name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-050);
}

.page-products .tool-desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .tool-out {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.8125rem;
  color: var(--ink-200);
}

.page-products .tool-out .mono {
  font-family: var(--font-mono);
  color: var(--cyan-400);
  letter-spacing: 0.02em;
}

.page-products .tool-ver {
  align-self: flex-start;
  margin-top: 4px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--coral-500);
  border: 1px solid rgba(255, 107, 74, 0.38);
  border-radius: 2px;
}

/* ---------- 03 收录查证清单 ---------- */
.page-products .check-list {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .check-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 14px;
  background: var(--glass-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
}

.page-products .check-box {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--cyan-700);
  border-radius: 2px;
}

.page-products .check-item--done .check-box {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-products .check-item--done .check-box::after {
  content: "";
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--ink-950);
  border-bottom: 2px solid var(--ink-950);
  transform: rotate(-45deg) translate(0, -1px);
}

.page-products .check-text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-100);
}

.page-products .check-meta {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- 04 版本比对 ---------- */
.page-products .diff-picker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.page-products .diff-pick {
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 2px;
}

.page-products .diff-pick--from {
  color: var(--ink-100);
  border: 1px solid var(--line-glass);
  background: rgba(20, 66, 87, 0.6);
}

.page-products .diff-pick--to {
  color: var(--ink-950);
  background: var(--cyan-400);
  border: 1px solid var(--cyan-400);
}

.page-products .diff-arrow {
  font-family: var(--font-mono);
  color: var(--muted);
}

.page-products .diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 16px;
}

.page-products .diff-col {
  padding: 16px 16px 12px;
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
}

.page-products .diff-col:last-child {
  border-color: var(--line-glass);
}

.page-products .diff-col-head {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .diff-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-100);
}

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

.page-products .diff-tag {
  flex: 0 0 auto;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.page-products .diff-tag--add {
  color: var(--cyan-400);
  border: 1px solid rgba(53, 224, 214, 0.42);
}

.page-products .diff-tag--mod {
  color: var(--amber-300);
  border: 1px solid rgba(255, 195, 107, 0.42);
}

.page-products .diff-tag--del {
  color: var(--coral-500);
  border: 1px solid rgba(255, 107, 74, 0.42);
}

/* ---------- 05 大屏适配 ---------- */
.page-products .preset-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 22px;
}

.page-products .preset {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: var(--glass-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
}

.page-products .preset--on {
  border-color: var(--cyan-400);
  background: rgba(53, 224, 214, 0.09);
}

.page-products .preset-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--paper-050);
}

.page-products .preset-spec {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 06 入口衔接 ---------- */
.page-products .step-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  background: var(--glass-soft);
  border-left: 2px solid var(--cyan-700);
  border-radius: 0 14px 0 14px;
}

.page-products .step-idx {
  flex: 0 0 auto;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  padding-top: 4px;
}

.page-products .step-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-100);
}

/* ---------- 07 场景用法 ---------- */
.page-products .persona-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-products .persona-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  background: linear-gradient(200deg, var(--sea-800) 0%, var(--sea-900) 100%);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
  box-shadow: var(--shadow-card);
}

.page-products .persona-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan-400);
  letter-spacing: 0.02em;
}

.page-products .persona-desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .persona-flow {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--ink-200);
}

.page-products .persona-flow .mono {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* ---------- 08 能力对照表 ---------- */
.page-products .matrix-wrap {
  margin-top: 22px;
  overflow-x: auto;
  background: var(--paper-000);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut);
  -webkit-overflow-scrolling: touch;
}

.page-products .matrix-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .matrix-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
  background: var(--ink-950);
  color: var(--paper-050);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-products .matrix-table tbody th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--ink-950);
  border-bottom: 1px solid rgba(7, 32, 46, 0.09);
  white-space: nowrap;
}

.page-products .matrix-table tbody td {
  padding: 12px 16px;
  color: var(--sea-900);
  border-bottom: 1px solid rgba(7, 32, 46, 0.09);
  vertical-align: top;
}

.page-products .matrix-table tbody tr:nth-child(even) th,
.page-products .matrix-table tbody tr:nth-child(even) td {
  background: var(--paper-050);
}

.page-products .matrix-table tbody tr:hover th,
.page-products .matrix-table tbody tr:hover td {
  background: rgba(53, 224, 214, 0.12);
}

.page-products .matrix-table td.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--cyan-700);
  white-space: nowrap;
}

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

/* ---------- 收尾动作 ---------- */
.page-products .action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .tools-hero {
    padding: 52px 0 52px;
  }

  .page-products .hero-readouts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

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

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

  .page-products .check-item {
    align-items: center;
  }

  .page-products .check-box {
    margin-top: 0;
  }
}

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

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

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

  .page-products .block {
    padding: 40px 0 46px;
  }
}

@media (min-width: 1080px) {
  .page-products .console {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: var(--pp-body-gap);
    align-items: start;
    padding-bottom: 88px;
  }

  .page-products .console-rail {
    top: 108px;
    position: sticky;
  }

  .page-products .toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .toc-link {
    padding: 8px 12px;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
  }

  .page-products .toc-link.is-active,
  .page-products .toc-link[aria-current="true"] {
    background: none;
    border-left-color: var(--cyan-400);
  }

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

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

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

@media (max-width: 420px) {
  .page-products .check-item {
    flex-wrap: wrap;
  }

  .page-products .check-meta {
    flex: 1 1 100%;
    padding-left: 27px;
    white-space: normal;
  }

  .page-products .step-item {
    flex-direction: column;
    gap: 6px;
  }

  .page-products .diff-row {
    flex-wrap: wrap;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .toc-link {
    transition: none;
  }

  .page-products .tool-card:hover {
    transform: none;
  }
}