.page-products {
  --pp-muted: #5a6274;
  --pp-tint: rgba(27, 42, 107, 0.04);
  --pp-gap: clamp(18px, 3vw, 32px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

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

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-products__shell {
  padding-top: clamp(6px, 1.4vw, 14px);
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-products .breadcrumb a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .breadcrumb a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 首屏 ---------- */
.tool-intro {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-strong);
}

.tool-intro .eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
  margin: 0;
}

.tool-intro__title {
  margin: 0.35em 0 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--indigo);
}

.tool-intro__title span {
  color: var(--orange);
}

.tool-intro__lede {
  margin: 1.05em 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: #262a35;
}

.tool-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.tool-intro__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.tool-intro__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper);
}

.tool-intro__stats .mono {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.01em;
}

.tool-intro__stats em {
  font-style: normal;
  font-size: 12.5px;
  color: var(--pp-muted);
}

.tool-intro__pearl {
  position: absolute;
  top: clamp(18px, 3vw, 42px);
  right: clamp(-40px, -2vw, 0px);
  width: clamp(80px, 14vw, 170px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #ffffff 0%, var(--orange) 42%, var(--copper) 100%);
  opacity: 0.9;
  box-shadow: 0 18px 40px -22px rgba(255, 90, 31, 0.8);
  pointer-events: none;
}

@media (min-width: 720px) {
  .tool-intro__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 布局 ---------- */
.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  padding-top: clamp(26px, 4vw, 48px);
}

@media (min-width: 960px) {
  .tool-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
  }
}

/* ---------- 左侧索引 ---------- */
.tool-rail {
  min-width: 0;
}

.tool-rail__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.tool-rail__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.tool-rail__list li {
  flex: 0 0 auto;
}

.tool-rail__list a {
  display: block;
  padding: 8px 12px;
  font-size: 13.5px;
  color: var(--indigo);
  text-decoration: none;
  white-space: nowrap;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

.tool-rail__list a:hover,
.tool-rail__list a:focus-visible {
  color: var(--orange);
  background: rgba(255, 90, 31, 0.06);
}

.tool-rail__list a[aria-current],
.tool-rail__list a.is-active {
  color: var(--ink);
  font-weight: 700;
  border-left-color: var(--cyan);
  background: rgba(61, 232, 210, 0.12);
}

@media (min-width: 960px) {
  .tool-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .tool-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .tool-rail__list a {
    padding: 9px 0 9px 14px;
    margin-left: -1px;
    white-space: normal;
    border-left: 2px solid transparent;
    background: transparent;
    border-radius: 0;
  }

  .tool-rail__list a[aria-current],
  .tool-rail__list a.is-active {
    background: transparent;
    border-left-color: var(--orange);
  }
}

/* ---------- 章节 ---------- */
.tool-canvas {
  min-width: 0;
}

.tsection {
  padding-top: clamp(30px, 4.6vw, 56px);
}

.tsection:first-child {
  padding-top: 0;
}

.tsection + .tsection {
  margin-top: clamp(30px, 4.6vw, 56px);
  border-top: 1px solid var(--line);
}

.tsection__head {
  max-width: 70ch;
}

.tsection__head .eyebrow {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.tsection .section-title {
  margin: 0.4em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--indigo);
}

.tsection__lede {
  margin: 0.9em 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: #2c303b;
}

.tsection__more {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pp-muted);
}

.tsection__more a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
}

.tsection__more a:hover {
  color: var(--orange);
}

/* ---------- 图片 ---------- */
.tshot {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

.tshot img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--sand);
}

.tshot--round img {
  border-radius: var(--radius-md);
}

.tshot--inset img {
  border-left: 3px solid var(--indigo);
}

.tshot figcaption {
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* ---------- 工具索引表 ---------- */
.tool-table-wrap {
  margin-top: clamp(18px, 2.6vw, 26px);
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.tool-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
}

.tool-table thead th {
  padding: 12px 16px;
  background: var(--ink-blue);
  color: var(--pearl);
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.tool-table tbody td {
  padding: 16px;
  vertical-align: top;
  line-height: 1.72;
  color: #2c303b;
  border-top: 1px solid var(--line);
}

.tool-table tbody tr {
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.tool-table tbody tr:hover {
  background: rgba(61, 232, 210, 0.08);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.tool-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--indigo);
  white-space: nowrap;
}

.tool-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--orange);
  background: rgba(255, 90, 31, 0.06);
}

.tool-ico svg {
  width: 17px;
  height: 17px;
}

.tool-table a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.tool-table a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 对照表 ---------- */
.cmp-legend {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.cmp-chip {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  border: 1px solid transparent;
}

.cmp-chip--formal {
  background: var(--orange);
  color: #ffffff;
}

.cmp-chip--legacy {
  background: rgba(194, 59, 18, 0.1);
  color: var(--copper);
  border-color: rgba(194, 59, 18, 0.35);
}

.cmp-wrap {
  margin-top: 14px;
  overflow-x: auto;
  border: 1px solid var(--line-strong);
}

.cmp-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.cmp-table thead th {
  padding: 12px 16px;
  background: var(--indigo);
  color: var(--pearl);
  text-align: left;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.cmp-table thead .cmp-th--formal {
  background: var(--orange);
}

.cmp-table thead .cmp-th--legacy {
  background: #6b3a28;
}

.cmp-table tbody th,
.cmp-table tbody td {
  padding: 15px 16px;
  border-top: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.72;
  text-align: left;
}

.cmp-dim {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14.5px;
  color: var(--indigo);
  white-space: nowrap;
  background: var(--pp-tint);
}

.cmp-formal {
  color: #22262f;
  background: rgba(255, 90, 31, 0.07);
}

.cmp-legacy {
  color: #5b5450;
  background: rgba(232, 223, 201, 0.45);
}

.cmp-table tbody tr:hover .cmp-dim {
  box-shadow: inset 3px 0 0 var(--cyan);
}

/* ---------- 会员档位 ---------- */
.tier-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

@media (min-width: 700px) {
  .tier-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.tier {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--indigo);
  background: var(--paper);
  overflow: hidden;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.tier:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.tier--chain {
  border-top-color: var(--steel);
}

.tier--orbit {
  border-top-color: var(--orange);
}

.tier--dragon {
  border-top-color: var(--copper);
}

.tier__pearl {
  position: absolute;
  right: -18px;
  top: -18px;
  opacity: 0.16;
  pointer-events: none;
}

.tier__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.tier__name {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  color: var(--indigo);
}

.tier__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #2c303b;
}

.tier__points {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.tier__points li {
  position: relative;
  padding: 8px 0 8px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--pp-muted);
  border-bottom: 1px dashed rgba(27, 42, 107, 0.12);
}

.tier__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 案例 ---------- */
.tsection--cases {
  --pp-case-gap: clamp(16px, 2.4vw, 24px);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.case-tags li {
  padding: 5px 12px;
  font-size: 12.5px;
  color: var(--indigo);
  background: var(--sand);
  border: 1px solid transparent;
  border-radius: 999px;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.case-tags li:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-case-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

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

  .case-card--b {
    margin-top: clamp(0px, 2vw, 26px);
  }

  .case-card--d {
    margin-top: calc(-1 * clamp(0px, 2vw, 26px));
  }
}

.case-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.case-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.case-card::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -26px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: rgba(255, 90, 31, 0.09);
  pointer-events: none;
}

.case-card--a::after {
  width: 96px;
  height: 96px;
  background: rgba(27, 42, 107, 0.08);
}

.case-card--b::after {
  border-radius: 8px;
  background: rgba(61, 232, 210, 0.14);
}

.case-card--d::after {
  width: 60px;
  height: 60px;
  background: rgba(194, 59, 18, 0.12);
}

.case-card__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.case-card__tag {
  display: inline-block;
  margin: 0 0 0 8px;
  padding: 2px 8px;
  font-size: 11.5px;
  color: var(--orange);
  border: 1px solid rgba(255, 90, 31, 0.4);
  border-radius: 999px;
  vertical-align: middle;
}

.case-card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17.5px;
  line-height: 1.45;
  color: var(--indigo);
  max-width: 22ch;
}

.case-card__meta {
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.case-card__meta > div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(27, 42, 107, 0.12);
}

.case-card__meta dt {
  font-size: 12px;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.case-card__meta dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: #2c303b;
}

/* ---------- 反馈流程 ---------- */
.flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

@media (min-width: 640px) {
  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.flow__step {
  position: relative;
  padding: 18px 16px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 2px solid var(--indigo);
}

.flow__step:nth-child(3) {
  border-left-color: var(--orange);
}

.flow__step:nth-child(4) {
  border-left-color: var(--copper);
}

.flow__dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--pearl);
  background: var(--indigo);
}

.flow__step:nth-child(2) .flow__dot {
  background: var(--steel);
}

.flow__step:nth-child(3) .flow__dot {
  background: var(--orange);
}

.flow__step:nth-child(4) .flow__dot {
  background: var(--copper);
}

.flow__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--indigo);
}

.flow__step p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: #2c303b;
}

/* ---------- 适配 ---------- */
.env-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

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

.env-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: var(--pp-tint);
}

.env-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.env-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--indigo);
}

.env-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #2c303b;
}

.env-list {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.env-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .env-list li {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.env-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.env-list__v {
  font-size: 14px;
  line-height: 1.7;
  color: #2c303b;
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    animation: none !important;
  }

  .tier:hover,
  .case-card:hover {
    transform: none;
  }
}
<<<END>>>