.page-products {
  --prod-gap: clamp(18px, 2.6vw, 28px);
  --prod-sec-y: clamp(36px, 6vw, 72px);
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(44px, 7vw, 92px);
}

.page-products .crumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .tool-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-products .hero-slash {
  position: absolute;
  top: -16%;
  right: -14%;
  width: min(680px, 90vw);
  height: 360px;
  background: linear-gradient(118deg, rgba(34, 224, 255, .20), rgba(138, 92, 255, .16) 52%, rgba(255, 107, 33, .12));
  clip-path: polygon(24% 0, 100% 0, 74% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-products .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .hero-copy .eyebrow {
  margin-bottom: 14px;
}

.page-products h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 48px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-products .hero-lead {
  margin: 0 0 24px;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: clamp(16px, 3vw, 22px);
  background: rgba(14, 23, 48, .62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-products .fact {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-products .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.6vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
}

.page-products .fact-unit {
  font-size: .55em;
  margin-left: 2px;
}

.page-products .fact:nth-child(2) .fact-num {
  color: var(--orange);
}

.page-products .fact:nth-child(3) .fact-num {
  color: var(--purple);
}

.page-products .fact-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-products .pill-row {
  margin-bottom: clamp(22px, 4vw, 42px);
}

.page-products .tool-section {
  padding-block: var(--prod-sec-y);
}

.page-products .tool-section + .tool-section {
  border-top: 1px solid rgba(30, 44, 79, .55);
}

.page-products .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -.01em;
  margin: 10px 0 10px;
}

.page-products .section-note {
  max-width: 46ch;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 工具标签带 ---------- */
.page-products .tool-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 16px;
  margin: 0 -4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .tool-strip:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .tool-strip::-webkit-scrollbar {
  height: 6px;
}

.page-products .tool-strip::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 999px;
}

.page-products .tool-tag {
  position: relative;
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .tool-tag::after {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 14px;
  height: 14px;
  border-left: 2px solid var(--cyan);
  border-top: 2px solid var(--cyan);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.page-products .tool-tag:hover {
  border-color: rgba(34, 224, 255, .55);
  transform: translateY(-2px);
}

.page-products .tool-tag:hover::after {
  opacity: 1;
}

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

.page-products .tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.page-products .card-title {
  font-size: 19px;
  line-height: 1.4;
  margin: 0;
}

.page-products .card-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 媒体容器 ---------- */
.page-products .media-frame {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 开支周期 ---------- */
.page-products .cycle-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-products .cycle-label {
  cursor: pointer;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--deep);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 14px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-products #cyc-month:checked ~ .cycle-labels .cycle-label[for="cyc-month"],
.page-products #cyc-season:checked ~ .cycle-labels .cycle-label[for="cyc-season"],
.page-products #cyc-year:checked ~ .cycle-labels .cycle-label[for="cyc-year"] {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(34, 224, 255, .14);
}

.page-products .cycle-panel {
  display: none;
}

.page-products #cyc-month:checked ~ .cycle-panels .cycle-panel--m,
.page-products #cyc-season:checked ~ .cycle-panels .cycle-panel--s,
.page-products #cyc-year:checked ~ .cycle-panels .cycle-panel--y {
  display: block;
}

.page-products .cycle-panel-inner {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
}

.page-products .cycle-panel--s .cycle-panel-inner {
  border-left-color: var(--purple);
}

.page-products .cycle-panel--y .cycle-panel-inner {
  border-left-color: var(--orange);
}

.page-products .cycle-big {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: clamp(44px, 11vw, 64px);
  line-height: .95;
  color: var(--cyan);
}

.page-products .cycle-panel--s .cycle-big {
  color: var(--purple);
}

.page-products .cycle-panel--y .cycle-big {
  color: var(--orange);
}

.page-products .cycle-unit {
  font-size: 15px;
  color: var(--muted);
}

.page-products .cycle-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.4;
}

.page-products .cycle-panel-inner p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .cycle-foot {
  color: var(--muted);
  font-size: 14px;
}

.page-products .cycle-scale {
  display: grid;
  gap: 6px;
  margin-top: 22px;
}

.page-products .scale-seg {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(30, 44, 79, .28);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-products #cyc-month:checked ~ .cycle-scale .scale-seg--m {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(34, 224, 255, .14);
}

.page-products #cyc-season:checked ~ .cycle-scale .scale-seg--s {
  color: var(--ink);
  border-color: var(--purple);
  background: rgba(138, 92, 255, .16);
}

.page-products #cyc-year:checked ~ .cycle-scale .scale-seg--y {
  color: var(--ink);
  border-color: var(--orange);
  background: rgba(255, 107, 33, .14);
}

/* ---------- 费用对照 ---------- */
.page-products .fee-layout {
  display: grid;
  gap: var(--prod-gap);
}

.page-products .fee-col {
  align-self: start;
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .fee-col--sub {
  background: var(--panel);
  border-top: 3px solid var(--cyan);
}

.page-products .fee-col--rep {
  background: rgba(14, 23, 48, .56);
  border-top: 3px solid var(--orange);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.page-products .fee-tab {
  justify-self: start;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-products .fee-tab--cyan {
  color: var(--cyan);
}

.page-products .fee-tab--orange {
  color: var(--orange);
}

.page-products .fee-title {
  margin: 0;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.4;
}

.page-products .fee-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .fee-more summary {
  cursor: pointer;
  padding: 10px 0 4px;
  color: var(--cyan);
  font-size: 14px;
  list-style: none;
}

.page-products .fee-col--rep .fee-more summary {
  color: var(--orange);
}

.page-products .fee-more summary::-webkit-details-marker {
  display: none;
}

.page-products .fee-more summary::before {
  content: "＋";
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
}

.page-products .fee-more[open] summary::before {
  content: "－";
}

.page-products .fee-list {
  margin: 8px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .table-scroll {
  overflow-x: auto;
  margin-top: clamp(22px, 3vw, 34px);
  -webkit-overflow-scrolling: touch;
}

.page-products .fee-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .fee-table caption {
  text-align: left;
}

.page-products .fee-table th,
.page-products .fee-table td {
  text-align: left;
  vertical-align: top;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  line-height: 1.75;
}

.page-products .fee-table thead th {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  border-bottom-color: rgba(34, 224, 255, .4);
}

.page-products .fee-table .th-cyan {
  color: var(--cyan);
}

.page-products .fee-table .th-orange {
  color: var(--orange);
}

.page-products .fee-table tbody th {
  color: var(--muted);
  font-weight: 400;
  white-space: nowrap;
}

/* ---------- 五步引导 ---------- */
.page-products .tool-band {
  background: linear-gradient(135deg, rgba(138, 92, 255, .16), rgba(34, 224, 255, .07) 60%, rgba(7, 14, 34, 0));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .step-track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products .step-track::-webkit-scrollbar {
  display: none;
}

.page-products .step-pin {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(4, 16, 31, .6);
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-products .step-num {
  font-size: 12px;
  color: var(--purple);
}

.page-products #gs-1:checked ~ .step-track .step-pin[for="gs-1"],
.page-products #gs-2:checked ~ .step-track .step-pin[for="gs-2"],
.page-products #gs-3:checked ~ .step-track .step-pin[for="gs-3"],
.page-products #gs-4:checked ~ .step-track .step-pin[for="gs-4"],
.page-products #gs-5:checked ~ .step-track .step-pin[for="gs-5"] {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(34, 224, 255, .13);
}

.page-products .step-panels {
  margin-top: 20px;
}

.page-products .step-panel {
  display: none;
  padding: clamp(20px, 3vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products #gs-1:checked ~ .step-panels .step-panel:nth-child(1),
.page-products #gs-2:checked ~ .step-panels .step-panel:nth-child(2),
.page-products #gs-3:checked ~ .step-panels .step-panel:nth-child(3),
.page-products #gs-4:checked ~ .step-panels .step-panel:nth-child(4),
.page-products #gs-5:checked ~ .step-panels .step-panel:nth-child(5) {
  display: block;
}

.page-products .step-time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-products .step-title {
  margin: 0 0 10px;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.4;
}

.page-products .step-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 使用场景 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: var(--prod-gap);
}

.page-products .scene {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 3vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--purple);
  border-radius: var(--radius);
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .scene:nth-child(1) {
  border-left-color: var(--cyan);
}

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

.page-products .scene:hover {
  border-color: rgba(34, 224, 255, .5);
}

.page-products .scene-idx {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .scene-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(19px, 3vw, 22px);
  line-height: 1.45;
}

.page-products .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .scene-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .scene-tools li {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink);
}

.page-products .scene-link {
  margin-top: 6px;
  justify-self: start;
  font-size: 14px;
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 224, 255, .4);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .scene-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 问题路径 ---------- */
.page-products .help-list {
  border-top: 1px solid var(--line);
}

.page-products .help-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .help-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
}

.page-products .help-row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .help-link {
  justify-self: start;
  font-size: 14px;
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 224, 255, .4);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .help-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .cycle-panel-inner {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .cycle-big {
    min-width: 200px;
  }

  .page-products .cycle-scale {
    grid-template-columns: 9fr 33fr 58fr;
  }

  .page-products .fee-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .fee-col--rep {
    margin-top: clamp(0px, 4vw, 44px);
  }

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

  .page-products .help-row {
    grid-template-columns: 180px minmax(0, 1fr) 140px;
    align-items: center;
    gap: 24px;
  }

  .page-products .help-link {
    justify-self: end;
  }
}

@media (min-width: 1240px) {
  .page-products .tool-tag {
    flex-basis: 22%;
  }
}