.page-products {
  --tp-gap: clamp(18px, 3.2vw, 36px);
}

.page-products [hidden] {
  display: none !important;
}

/* ---------- 首屏 ---------- */
.page-products .tp-hero {
  background: linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper);
  padding: clamp(30px, 6vw, 64px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 3px solid var(--copper);
  margin-bottom: clamp(34px, 6vw, 68px);
}

.page-products .tp-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .tp-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper-lt);
}

.page-products .tp-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .tp-hero__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.86);
}

.page-products .tp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .tp-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  background: rgba(245, 241, 232, 0.2);
  border: 1px solid rgba(245, 241, 232, 0.2);
}

.page-products .tp-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: rgba(14, 59, 51, 0.6);
}

.page-products .tp-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.1;
  color: var(--copper-lt);
}

.page-products .tp-fact__label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(245, 241, 232, 0.76);
}

/* ---------- 通用节奏 ---------- */
.page-products .lg-section {
  margin-bottom: clamp(40px, 8vw, 84px);
}

.page-products .lg-section__desc {
  max-width: 46em;
}

.page-products .tp-note {
  margin-top: 20px;
  max-width: 52em;
}

/* ---------- 横向滚动容器 ---------- */
.page-products .tp-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-products .tp-scroll > .lg-compare {
  min-width: 700px;
}

.page-products .tp-scroll--wide > .lg-compare {
  min-width: 860px;
}

/* ---------- 图片 ---------- */
.page-products .tp-figure {
  margin: clamp(22px, 4vw, 38px) 0 0;
}

.page-products .tp-figure .lg-figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- 技能树 ---------- */
.page-products .tp-tree__map {
  padding: 8px 0 0;
}

.page-products .tp-tree__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .tp-tree__line {
  fill: none;
  stroke: var(--copper);
  stroke-width: 2;
  opacity: 0.42;
}

.page-products .tp-tree__dot {
  fill: var(--paper);
  stroke: var(--copper);
  stroke-width: 2;
  transition: fill 160ms ease, stroke-width 160ms ease;
}

.page-products .tp-tree__idx {
  font-family: var(--font-mono);
  font-size: 15px;
  fill: var(--ash);
}

.page-products .tp-tree__link {
  cursor: pointer;
}

.page-products .tp-tree__link:hover .tp-tree__dot,
.page-products .tp-tree__link:focus-visible .tp-tree__dot {
  fill: var(--copper-lt);
  stroke-width: 3.5;
}

.page-products .tp-tree__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tp-tree__item {
  background: var(--paper);
  padding: 18px 18px 20px;
  scroll-margin-top: 130px;
}

.page-products .tp-tree__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-products .tp-tree__name {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--char);
}

.page-products .tp-tree__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--char);
}

/* ---------- 12 类主题 ---------- */
.page-products .tp-tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.page-products .tp-topics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .tp-topic {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 100%;
  padding: 16px 16px 18px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
  transition: background 180ms ease, border-color 180ms ease;
}

.page-products .tp-topic:hover {
  background: var(--mist);
  border-left-color: var(--pine);
}

.page-products .tp-topic .lg-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-products .tp-topic .lg-index__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--char);
}

.page-products .tp-topic .lg-index__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--char);
}

.page-products .tp-topic .lg-index__meta {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ash);
  border-top: 1px dashed var(--line);
}

/* ---------- 编号与查找 ---------- */
.page-products .tp-lookup__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tp-gap);
}

.page-products .tp-code {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--copper);
  border-radius: var(--radius);
}

.page-products .tp-code__part {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-products .tp-code__sep {
  font-size: 28px;
  color: var(--copper);
}

.page-products .tp-code__legend {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.page-products .tp-code__legend > div {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}

.page-products .tp-code__legend dt {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--copper);
}

.page-products .tp-code__legend dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--char);
}

.page-products .tp-examples {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .tp-example {
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.page-products .tp-example__tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ash);
}

.page-products .tp-example__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--char);
}

.page-products .tp-example__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--char);
}

/* ---------- 五步注册 ---------- */
.page-products .tp-family__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tp-gap);
  align-items: start;
}

.page-products .tp-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .tp-steps .lg-steps__num {
  font-family: var(--font-mono);
  color: var(--copper);
}

.page-products .tp-family__figure {
  margin: 0;
}

/* ---------- 三类通道 ---------- */
.page-products .tp-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tp-channel {
  padding: 20px 18px 22px;
  background: var(--card);
}

.page-products .tp-channel__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-products .tp-channel__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--char);
}

.page-products .tp-channel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--char);
}

.page-products .tp-channel__link {
  color: var(--pine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本对照 ---------- */
.page-products .tp-versions__cmp .lg-compare__key {
  font-family: var(--font-serif);
}

.page-products .tp-versions__fig {
  margin-top: clamp(20px, 3.4vw, 32px);
}

/* ---------- 打印与转述 ---------- */
.page-products .tp-print__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tp-gap);
  align-items: start;
}

.page-products .tp-print__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .tp-print__list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--char);
}

.page-products .tp-print__list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.74em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper);
}

.page-products .tp-print__figure {
  margin: 0;
}

.page-products .tp-print__figure .lg-figure__img {
  object-fit: cover;
}

/* ---------- 接下来的去向 ---------- */
.page-products .tp-next {
  padding-top: clamp(22px, 4vw, 34px);
  border-top: 2px solid var(--ink);
}

.page-products .tp-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-products .tp-next__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 20px;
  background: var(--mist);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
}

.page-products .tp-next__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--char);
}

.page-products .tp-next__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--char);
}

.page-products .tp-next__item .lg-btn {
  align-self: flex-start;
  margin-top: auto;
}

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

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

@media (min-width: 800px) {
  .page-products .tp-examples {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .tp-next__grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .tp-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .tp-family__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-products .tp-print__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 940px) {
  .page-products .tp-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .tp-lookup__grid {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .tp-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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