.page-products {
  background: var(--c-abyss);
  color: var(--c-ice);
  font-family: var(--font-body);
}

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

.page-products .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-products .tool-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
}

.page-products .tool-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
}

.page-products .tool-hero__text {
  max-width: 34rem;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.9;
  color: var(--c-ice);
  margin: 0 0 1.25rem;
}

.page-products .tool-hero__hint {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  margin: 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--c-cyan);
  background: rgba(25, 227, 198, 0.07);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-products .tool-hero__hint-key {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
  border: 1px solid var(--c-steel);
  padding: 0.15rem 0.45rem;
}

.page-products .tool-hero__visual {
  border: 2px solid var(--c-steel);
  background: linear-gradient(160deg, #0b2239 0%, #061826 75%);
  padding: 0.7rem;
  box-shadow: 8px 8px 0 rgba(28, 69, 96, 0.85);
}

.page-products .tool-hero__visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 章节头 ---------- */
.page-products .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.4rem 0.9rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-steel);
}

.page-products .sec-head__no {
  grid-column: 1;
  grid-row: 1;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-cyan);
}

.page-products .sec-head__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-products .sec-head__lede {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0.45rem 0 0;
  max-width: 44rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 01 工具矩阵 ---------- */
.page-products .toolbox {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .toolbox__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .toolbox__card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.3rem 1.15rem 1.35rem;
  background: var(--c-panel);
  border: 1px solid var(--c-steel);
  border-top: 3px solid var(--c-cyan);
  transition: border-color var(--t-base), box-shadow var(--t-base), background var(--t-base);
}

.page-products .toolbox__card:hover,
.page-products .toolbox__card:focus-within {
  border-top-color: var(--c-amber);
  background: #0d2947;
  box-shadow: 6px 6px 0 rgba(28, 69, 96, 0.75);
}

.page-products .toolbox__no {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-products .toolbox__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.16rem;
  line-height: 1.3;
}

.page-products .toolbox__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .toolbox__link,
.page-products .combo__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--c-ice);
  border-bottom: 2px solid var(--c-cyan);
  padding-bottom: 2px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-products .toolbox__link:hover,
.page-products .toolbox__link:focus-visible,
.page-products .combo__link:hover,
.page-products .combo__link:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-amber);
}

.page-products .toolbox__figure,
.page-products .flow__figure,
.page-products .feedback__figure,
.page-products .compare__figure,
.page-products .versions__figure {
  margin: clamp(1.4rem, 3vw, 2.2rem) 0 0;
  padding: 0.6rem;
  background: var(--c-panel);
  border: 1px solid var(--c-steel);
}

.page-products .toolbox__figure img,
.page-products .flow__figure img,
.page-products .feedback__figure img,
.page-products .compare__figure img,
.page-products .versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products figcaption {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

/* ---------- 02 旧版导航 ---------- */
.page-products .versions {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .versions__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-products .ver-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.page-products .ver-tag {
  font-size: 1rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 0.85rem;
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
  color: var(--c-mist);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-products .ver-tag--lead {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  box-shadow: inset 0 -3px 0 var(--c-cyan);
}

.page-products .steps {
  counter-reset: ps;
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-products .steps li {
  position: relative;
  padding-left: 2.6rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-products .steps li::before {
  counter-increment: ps;
  content: counter(ps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.9rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--c-amber);
  border: 1px solid var(--c-steel);
  padding: 0.1rem 0;
}

.page-products .versions__note {
  margin: 0;
  padding-left: 0.85rem;
  border-left: 2px solid var(--c-steel);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 03 PC 端对比 ---------- */
.page-products .compare {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .cmp {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
}

.page-products .cmp__switch {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  margin: 0 0 0 1rem;
  appearance: none;
  -webkit-appearance: none;
  box-sizing: border-box;
  position: relative;
  width: 44px;
  height: 24px;
  border: 2px solid var(--c-steel);
  background: var(--c-abyss);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.page-products .cmp__switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--c-mist);
  transition: transform var(--t-fast), background var(--t-fast);
}

.page-products .cmp__switch:checked {
  border-color: var(--c-magenta);
  background: rgba(255, 63, 142, 0.14);
}

.page-products .cmp__switch:checked::after {
  background: var(--c-magenta);
  transform: translateX(20px);
}

.page-products .cmp__switch:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-products .cmp__bar {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.8rem;
  padding: 0.85rem 1rem 0.85rem 0.85rem;
}

.page-products .cmp__bar-label {
  font-size: 0.9rem;
  color: var(--c-ice);
  cursor: pointer;
}

.page-products .cmp__note {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
  border: 1px solid var(--c-steel);
  padding: 0.2rem 0.45rem;
}

.page-products .cmp__scroll {
  grid-column: 1 / -1;
  grid-row: 2;
  overflow-x: auto;
  border-top: 1px solid var(--c-steel);
}

.page-products .cmp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .cmp-table thead th {
  padding: 0.7rem 1rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  background: rgba(28, 69, 96, 0.4);
  border-bottom: 1px solid var(--c-steel);
  white-space: nowrap;
}

.page-products .cmp-table tbody td {
  padding: 0.78rem 1rem;
  vertical-align: top;
  line-height: 1.7;
  color: var(--c-mist);
  border-bottom: 1px solid rgba(28, 69, 96, 0.75);
}

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

.page-products .cmp-table tbody td:first-child {
  color: var(--c-ice);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .diff-row {
  transition: background var(--t-base), box-shadow var(--t-base);
}

.page-products .cmp__switch:checked ~ .cmp__scroll .diff-row {
  background: rgba(139, 243, 230, 0.09);
}

.page-products .cmp__switch:checked ~ .cmp__scroll .diff-row td:first-child {
  box-shadow: inset 4px 0 0 var(--c-magenta);
}

/* ---------- 04 检索流程 ---------- */
.page-products .flow {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .flow-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .flow-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 1.15rem 1.2rem;
  background: var(--c-panel);
  border: 1px solid var(--c-steel);
}

.page-products .flow-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2.5rem;
  height: 3px;
  background: var(--c-cyan);
}

.page-products .flow-step__no {
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-products .flow-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.08rem;
  line-height: 1.3;
}

.page-products .flow-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .flow-step__more {
  margin-top: auto;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--c-steel);
}

.page-products .flow-step__more summary {
  cursor: pointer;
  list-style: none;
  padding: 0.15rem 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-products .flow-step__more summary::-webkit-details-marker {
  display: none;
}

.page-products .flow-step__more summary::before {
  content: "＋ ";
}

.page-products .flow-step__more[open] summary::before {
  content: "－ ";
}

.page-products .flow-step__more p {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 05 反馈闭环 ---------- */
.page-products .feedback {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-products .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--c-steel);
  border: 1px solid var(--c-steel);
}

.page-products .stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.05rem 1rem;
  background: var(--c-panel);
}

.page-products .stat__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1;
  color: var(--c-ice);
}

.page-products .stat__unit {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

.page-products .stat__label {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-products .fb-demo {
  display: grid;
  gap: 0.75rem;
  padding: 1.05rem 1rem 1.15rem;
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
}

.page-products .fb-demo__hint {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

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

.page-products .fb-demo__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.8rem;
  padding: 0.7rem 0.8rem;
  background: var(--c-abyss);
  border: 1px solid var(--c-steel);
  transition: border-color var(--t-fast);
}

.page-products .fb-demo__idx {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-products .fb-demo__text {
  flex: 1 1 9rem;
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-products .fb-demo__btn {
  display: inline-block;
  padding: 0.42rem 0.78rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  border: 2px solid var(--c-amber);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}

.page-products .fb-demo__input:not(:checked) ~ .fb-demo__row .fb-demo__btn {
  animation: page-products-fb-pulse 2.4s ease-in-out infinite;
}

.page-products .fb-demo__input:focus-visible ~ .fb-demo__row .fb-demo__btn {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-products .fb-demo__input:checked ~ .fb-demo__row {
  border-color: var(--c-cyan);
}

.page-products .fb-demo__input:checked ~ .fb-demo__row .fb-demo__btn {
  background: var(--c-amber);
  color: var(--c-abyss);
}

.page-products .fb-demo__state {
  display: none;
  margin: 0;
  padding-left: 0.75rem;
  border-left: 3px solid var(--c-cyan);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--c-cyan-soft);
}

.page-products .fb-demo__input:checked ~ .fb-demo__state {
  display: block;
}

@keyframes page-products-fb-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 178, 62, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(255, 178, 62, 0); }
}

/* ---------- 06 组合建议 ---------- */
.page-products .combo {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .combo__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-products .combo__card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.25rem 1.15rem 1.3rem;
  background: var(--c-panel);
  border: 1px solid var(--c-steel);
  border-left: 3px solid var(--c-cyan);
}

.page-products .combo__card:nth-child(2) {
  border-left-color: var(--c-amber);
}

.page-products .combo__card:nth-child(3) {
  border-left-color: var(--c-magenta);
}

.page-products .combo__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1.35;
}

.page-products .combo__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 收尾 ---------- */
.page-products .outro {
  padding-block: clamp(1.8rem, 4vw, 3rem) clamp(2.8rem, 6vw, 4.5rem);
}

.page-products .outro__box {
  display: grid;
  gap: 0.85rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 2px solid var(--c-steel);
  background: linear-gradient(135deg, rgba(25, 227, 198, 0.12) 0%, rgba(11, 34, 57, 0.95) 58%);
}

.page-products .outro__box h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 1.95rem);
  line-height: 1.25;
}

.page-products .outro__box p {
  margin: 0;
  max-width: 46rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-products .outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.3rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .toolbox__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }
}

@media (min-width: 860px) {
  .page-products .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-products .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.35rem;
    right: -1.4rem;
    width: 1.4rem;
    height: 2px;
    background: var(--c-steel);
  }
}

@media (min-width: 900px) {
  .page-products .tool-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-products .feedback__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-products .versions__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .toolbox__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
    padding-bottom: 2rem;
  }

  .page-products .toolbox__card:nth-child(even) {
    transform: translateY(2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}