.page-products {
  --p-pad: clamp(18px, 4vw, 40px);
  --p-gap: clamp(16px, 3vw, 28px);
  background: var(--salt);
  color: var(--body);
  font-family: var(--font-body);
  padding-bottom: calc(var(--dock-h) + 32px);
}

.page-products .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--coral-deep);
}

.page-products .eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--coral);
  border-radius: 2px;
}

/* ---------- 首屏框景 ---------- */

.page-products .p-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 28px) 0 clamp(36px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(27, 90, 120, .85) 0%, rgba(11, 53, 80, 0) 62%),
    linear-gradient(165deg, var(--deep) 0%, var(--ink) 100%);
  color: var(--salt);
}

.page-products .p-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  background: repeating-linear-gradient(
    90deg,
    rgba(102, 217, 184, .16) 0 1px,
    transparent 1px 96px
  );
}

.page-products .p-hero__crumb {
  position: relative;
  color: rgba(246, 248, 244, .66);
}

.page-products .p-hero__crumb a {
  color: rgba(246, 248, 244, .82);
}

.page-products .p-hero__frame {
  position: relative;
  margin-top: 18px;
  padding: clamp(20px, 4vw, 44px);
  border: 1px solid rgba(246, 248, 244, .26);
  border-radius: var(--radius);
  background: rgba(7, 20, 31, .42);
  box-shadow: var(--shadow-2);
}

.page-products .p-hero__frame::after {
  content: "";
  position: absolute;
  left: -1px;
  bottom: -1px;
  width: 64px;
  height: 3px;
  background: var(--coral);
}

.page-products .p-hero__tick {
  display: flex;
  gap: 26px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(246, 248, 244, .42);
}

.page-products .p-hero__tick span {
  position: relative;
  padding-top: 10px;
}

.page-products .p-hero__tick span::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 7px;
  background: var(--mint);
}

.page-products .p-hero .eyebrow {
  color: var(--mint);
}

.page-products .p-hero h1 {
  margin: 4px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--salt);
}

.page-products .p-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(246, 248, 244, .82);
}

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

.page-products .p-hero__stats {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(246, 248, 244, .18);
}

.page-products .p-hero__stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .p-hero__stats dt {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(246, 248, 244, .6);
}

.page-products .p-hero__stats dd {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  color: var(--mint);
}

@media (min-width: 720px) {
  .page-products .p-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .p-hero__stats > div + div {
    padding-left: 20px;
    border-left: 1px solid rgba(246, 248, 244, .16);
  }
}

/* ---------- 章节标题 ---------- */

.page-products .p-section-head {
  max-width: 740px;
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-products .p-section-head h2 {
  margin: 4px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  color: var(--ink);
}

.page-products .p-section-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--body);
}

.page-products .p-section-head--deep h2 {
  color: var(--salt);
}

.page-products .p-section-head--deep p {
  color: rgba(246, 248, 244, .78);
}

.page-products .p-section-head--deep .eyebrow {
  color: var(--mint);
}

/* ---------- 技能树 ---------- */

.page-products .p-tools {
  padding: clamp(36px, 6vw, 68px) 0;
  background: var(--salt);
}

.page-products .tool-tree {
  display: grid;
  gap: var(--p-gap);
}

.page-products .tool-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .tool-radio:focus-visible ~ .tool-tree__rail {
  outline: 2px solid var(--coral);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.page-products .tool-tree__rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}

.page-products .tool-node {
  flex: 0 0 208px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 14px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
  scroll-snap-align: start;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-products .tool-node:hover {
  border-color: var(--tide-line);
  transform: translateY(-1px);
}

.page-products .tool-node__num {
  grid-row: span 2;
  align-self: center;
  font-size: 13px;
  color: var(--tide-line);
}

.page-products .tool-node__name {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .tool-node__sub {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--body);
}

.page-products .tool-tree__stage {
  min-width: 0;
}

.page-products .tool-panel {
  display: none;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(18px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.page-products #tool-01:checked ~ .tool-tree__stage > .tool-panel:nth-child(1),
.page-products #tool-02:checked ~ .tool-tree__stage > .tool-panel:nth-child(2),
.page-products #tool-03:checked ~ .tool-tree__stage > .tool-panel:nth-child(3),
.page-products #tool-04:checked ~ .tool-tree__stage > .tool-panel:nth-child(4),
.page-products #tool-05:checked ~ .tool-tree__stage > .tool-panel:nth-child(5) {
  display: grid;
  animation: p-fade .2s ease both;
}

@keyframes p-fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products #tool-01:checked ~ .tool-tree__rail > .tool-node:nth-child(1),
.page-products #tool-02:checked ~ .tool-tree__rail > .tool-node:nth-child(2),
.page-products #tool-03:checked ~ .tool-tree__rail > .tool-node:nth-child(3),
.page-products #tool-04:checked ~ .tool-tree__rail > .tool-node:nth-child(4),
.page-products #tool-05:checked ~ .tool-tree__rail > .tool-node:nth-child(5) {
  border-color: var(--tide-line);
  border-left-color: var(--coral);
  background: #fff;
  box-shadow: var(--shadow-1);
}

.page-products #tool-01:checked ~ .tool-tree__rail > .tool-node:nth-child(1) .tool-node__num,
.page-products #tool-02:checked ~ .tool-tree__rail > .tool-node:nth-child(2) .tool-node__num,
.page-products #tool-03:checked ~ .tool-tree__rail > .tool-node:nth-child(3) .tool-node__num,
.page-products #tool-04:checked ~ .tool-tree__rail > .tool-node:nth-child(4) .tool-node__num,
.page-products #tool-05:checked ~ .tool-tree__rail > .tool-node:nth-child(5) .tool-node__num {
  color: var(--coral-deep);
}

.page-products .tool-panel__kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--tide-line);
}

.page-products .tool-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.32;
  color: var(--ink);
}

.page-products .tool-panel__body > p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .tool-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .tool-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

.page-products .tool-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--coral-deep);
}

.page-products .tool-panel__hint {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--mint-mist);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--deep);
}

.page-products .p-figure {
  margin: 0;
}

.page-products .p-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--mint-mist);
  object-fit: cover;
}

.page-products .p-figure--phone img {
  max-width: 300px;
  margin: 0 auto;
}

.page-products .p-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--body);
  text-align: center;
}

.page-products .export-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-products .export-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--salt);
}

.page-products .export-steps__num {
  font-size: 13px;
  color: var(--coral-deep);
  align-self: start;
  padding-top: 2px;
}

.page-products .export-steps strong {
  display: block;
  font-size: 14.5px;
  color: var(--ink);
}

.page-products .export-steps p {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--body);
}

.page-products .p-copy {
  margin-top: 18px;
  padding: 9px 18px;
  border: 1px solid var(--tide-line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--deep);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-products .p-copy:hover {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--salt);
}

.page-products .p-copy[data-copied] {
  border-color: var(--mint);
  background: var(--mint-mist);
  color: var(--deep);
}

@media (min-width: 900px) {
  .page-products .tool-tree {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
    gap: clamp(20px, 3vw, 36px);
  }
  .page-products .tool-tree__rail {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: relative;
    gap: 0;
  }
  .page-products .tool-node {
    flex: 0 0 auto;
    border-left-width: 3px;
    border-radius: 0 var(--radius) var(--radius) 0;
    border-left-color: var(--line);
    background: transparent;
  }
  .page-products .tool-node + .tool-node {
    margin-top: -1px;
  }
  .page-products .tool-panel {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: start;
  }
  .page-products .tool-list li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

/* ---------- 场景 ---------- */

.page-products .p-scene {
  padding: clamp(36px, 6vw, 68px) 0;
  background:
    radial-gradient(90% 70% at 10% 0%, rgba(27, 90, 120, .9) 0%, rgba(11, 53, 80, 0) 60%),
    var(--deep);
  color: var(--salt);
}

.page-products .scene-grid {
  display: grid;
  gap: 16px;
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius);
  border: 1px solid rgba(246, 248, 244, .18);
}

.page-products .scene-card__idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-products .scene-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
}

.page-products .scene-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-products .scene-card--desk {
  background: var(--salt);
  border-color: var(--salt);
  color: var(--body);
}

.page-products .scene-card--desk h3 {
  color: var(--ink);
}

.page-products .scene-card--mobile {
  background: var(--mint-mist);
  border-color: var(--mint-mist);
  color: var(--deep);
}

.page-products .scene-card--mobile h3 {
  color: var(--ink);
}

.page-products .scene-card--archive {
  background: rgba(7, 20, 31, .5);
  color: rgba(246, 248, 244, .84);
}

.page-products .scene-card--archive h3 {
  color: var(--salt);
}

.page-products .scene-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
  padding-top: 10px;
  font-size: 13.5px;
}

.page-products .scene-card__links a {
  color: var(--coral-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-products .scene-card--archive .scene-card__links a {
  color: var(--mint);
}

@media (min-width: 780px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 节奏 ---------- */

.page-products .p-rhythm {
  padding: clamp(34px, 5vw, 60px) 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-products .p-rhythm__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-products .p-rhythm__text h2 {
  margin: 4px 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.3;
  color: var(--ink);
}

.page-products .p-rhythm__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .p-rhythm__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-products .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .rhythm-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .rhythm-list__num {
  font-size: clamp(17px, 2.4vw, 21px);
  color: var(--ink);
  white-space: nowrap;
}

.page-products .rhythm-list__label {
  font-size: 13.5px;
  color: var(--body);
  text-align: right;
}

@media (min-width: 880px) {
  .page-products .p-rhythm__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

/* ---------- 收尾 ---------- */

.page-products .p-tail {
  padding: clamp(24px, 4vw, 38px) 0 clamp(28px, 4vw, 42px);
}

.page-products .p-tail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  background: var(--paper);
}

.page-products .p-tail__text {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body);
}

.page-products .p-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  font-size: 14px;
}

.page-products .p-tail__links a {
  color: var(--coral-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-panel,
  .page-products .tool-node,
  .page-products .p-copy {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}