/* ============================================================
   page-products : 工具与下载
   技能树式服务路径页 —— 左侧常驻面板索引 + 右侧纵向主干与分支
   ============================================================ */

.page-products {
  --tp-rail-w: 216px;
  --tp-node-pad: clamp(20px, 3vw, 36px);
}

.page-products .tp-crumb {
  margin: clamp(18px, 3vw, 30px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .tp-hero {
  padding: clamp(26px, 4.4vw, 54px) 0 clamp(24px, 3.4vw, 40px);
  border-bottom: 1px solid var(--c-line);
}

.page-products .tp-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--c-text);
  max-width: 18ch;
}

.page-products .tp-hero__lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 65ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--c-text);
}

.page-products .tp-facts {
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .tp-facts li {
  background: var(--c-deep);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .tp-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1;
  color: var(--c-cyan);
}

.page-products .tp-facts__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  line-height: 1.5;
}

/* ---------- 整体骨架 ---------- */
.page-products .tp-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(32px, 5vw, 76px) 0 clamp(16px, 3vw, 32px);
  align-items: start;
}

/* ---------- 左侧面板索引 ---------- */
.page-products .tp-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

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

.page-products .tp-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-muted);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-products .tp-rail__link .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: inherit;
}

.page-products .tp-rail__link:hover {
  color: var(--c-orange-soft);
  padding-left: 4px;
}

.page-products .tp-rail__link.is-active {
  color: var(--c-cyan);
}

/* ---------- 右侧主干与节点 ---------- */
.page-products .tp-trunk {
  min-width: 0;
}

.page-products .tp-node {
  position: relative;
  padding: 0 0 clamp(40px, 6vw, 76px) var(--tp-node-pad);
  border-left: 1px solid var(--c-cyan-dim);
}

.page-products .tp-node:last-child {
  border-left-color: var(--c-line);
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-products .tp-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 10px;
  width: 9px;
  height: 9px;
  background: var(--c-orange);
}

.page-products .tp-node__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-products .tp-node__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.16;
  color: var(--c-text);
}

.page-products .tp-node__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--c-text);
}

.page-products .tp-node__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 图片容器 ---------- */
.page-products .tp-fig {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

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

/* ---------- 回放三级分类 ---------- */
.page-products .tp-tierlist {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-top: 1px solid var(--c-line);
}

.page-products .tp-tier {
  padding-top: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
  border-left: 2px solid transparent;
  transition: border-left-color 0.25s ease, background-color 0.25s ease;
}

.page-products .tp-tier--1 {
  padding-left: 0;
}

.page-products .tp-tier--2 {
  padding-left: clamp(14px, 2vw, 22px);
  border-left-color: var(--c-line);
}

.page-products .tp-tier--3 {
  padding-left: clamp(26px, 3.4vw, 44px);
  border-left-color: var(--c-cyan-dim);
}

.page-products .tp-tier:hover {
  background-color: var(--c-panel);
}

.page-products .tp-tier__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.page-products .tp-tier__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 21px);
  color: var(--c-text);
}

.page-products .tp-tier__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-products .tp-tier__desc {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 可展开分支 ---------- */
.page-products .tp-branches {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-products .tp-branch {
  position: relative;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  transition: border-color 0.25s ease;
  overflow: hidden;
}

.page-products .tp-branch::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: var(--c-orange);
  transition: width 0.32s ease;
}

.page-products .tp-branch:hover::after,
.page-products .tp-branch[open]::after {
  width: 100%;
}

.page-products .tp-branch[open] {
  border-color: var(--c-cyan-dim);
}

.page-products .tp-branch > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--c-text);
  transition: color 0.2s ease;
}

.page-products .tp-branch > summary::-webkit-details-marker {
  display: none;
}

.page-products .tp-branch > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-orange);
}

.page-products .tp-branch[open] > summary::after {
  content: "–";
}

.page-products .tp-branch > summary:hover {
  color: var(--c-orange-soft);
}

.page-products .tp-branch__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-products .tp-branch__body p {
  margin: 0 0 10px;
  max-width: 62ch;
}

.page-products .tp-branch__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 操作步骤 ---------- */
.page-products .tp-steps {
  list-style: none;
  counter-reset: tpstep;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .tp-steps li {
  position: relative;
  counter-increment: tpstep;
  padding: 15px 0 15px 46px;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-products .tp-steps li::before {
  content: counter(tpstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-orange);
}

/* ---------- 三条使用路径 ---------- */
.page-products .tp-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-products .tp-path {
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan-dim);
  background: var(--c-panel);
  padding: 16px 18px;
  transition: border-top-color 0.25s ease;
}

.page-products .tp-path:hover {
  border-top-color: var(--c-orange);
}

.page-products .tp-path h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--c-text);
}

.page-products .tp-path p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-muted);
}

/* ---------- 我的栏目 ---------- */
.page-products .tp-mine {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--c-line);
}

.page-products .tp-mine__block {
  padding: 18px 0 18px clamp(14px, 2vw, 22px);
  border-bottom: 1px solid var(--c-line);
  border-left: 2px solid var(--c-line);
  transition: border-left-color 0.25s ease;
}

.page-products .tp-mine__block:hover {
  border-left-color: var(--c-orange);
}

.page-products .tp-mine__block h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 1.9vw, 20px);
  color: var(--c-text);
}

.page-products .tp-mine__block p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 旧版本资料 ---------- */
.page-products .tp-versions {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .tp-versions li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .tp-versions__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  line-height: 1.7;
}

.page-products .tp-versions__name {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-products .tp-versions__note {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 观看建议 ---------- */
.page-products .tp-tips {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .tp-tips li {
  position: relative;
  padding: 13px 0 13px 20px;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-products .tp-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 6px;
  height: 6px;
  background: var(--c-cyan);
}

/* ---------- 尾部延伸入口 ---------- */
.page-products .tp-next {
  padding: clamp(30px, 4.6vw, 56px) 0 clamp(44px, 7vw, 88px);
  border-top: 1px solid var(--c-line);
}

.page-products .tp-next__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.2;
  color: var(--c-text);
}

.page-products .tp-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-products .tp-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .tp-next__card:hover {
  border-color: var(--c-orange);
  transform: translateY(-2px);
}

.page-products .tp-next__card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--c-text);
}

.page-products .tp-next__card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 移动端：索引横排 ---------- */
@media (max-width: 959px) {
  .page-products .tp-rail__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .page-products .tp-rail__list::-webkit-scrollbar {
    display: none;
  }

  .page-products .tp-rail__link {
    flex: 0 0 auto;
    padding: 8px 12px;
    border: 1px solid var(--c-line);
    white-space: nowrap;
    font-size: 13px;
  }

  .page-products .tp-rail__link .index-num {
    display: none;
  }

  .page-products .tp-rail__link:hover {
    padding-left: 12px;
  }

  .page-products .tp-node__title,
  .page-products .tp-node__lede,
  .page-products .tp-node__note,
  .page-products .tp-tier__desc,
  .page-products .tp-mine__block p {
    max-width: 100%;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-products .tp-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .page-products .tp-shell {
    grid-template-columns: var(--tp-rail-w) minmax(0, 1fr);
  }

  .page-products .tp-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-products .tp-mine {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 20px;
    border-top: 1px solid var(--c-line);
  }

  .page-products .tp-mine__block {
    border-left: 1px solid var(--c-line);
    padding-left: 18px;
  }
}

@media (min-width: 1100px) {
  .page-products .tp-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>