.page-products{
  --pc-rail: 208px;
  --pc-card-shadow: 6px 6px 0 var(--paper-3);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 56px;
}

.page-products .breadcrumb{
  padding: 16px 0 6px;
}

/* ---------- 首屏拼贴 ---------- */
.page-products .tools-hero{
  display: grid;
  gap: 22px;
  margin: 10px 0 6px;
  padding: 26px 20px 52px;
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-products .tools-hero__lead-col{
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .tools-hero .eyebrow{
  color: var(--orange);
  margin: 0;
}

.page-products .tools-hero h1{
  margin: 0;
  font-size: clamp(30px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-products .tools-hero__lead{
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-ink);
}

.page-products .tools-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-products .tools-hero__collage{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.page-products .tools-hero__cell{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--paper-2);
  color: var(--ink);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-products .tools-hero__cell--a{
  grid-column: 1 / -1;
  background: var(--red);
  color: var(--white);
  border-color: var(--red-deep);
}

.page-products .tools-hero__cell--b{
  background: var(--blue);
  color: var(--white);
}

.page-products .tools-hero__cell--c{
  background: var(--orange);
  color: var(--ink);
}

.page-products .tools-hero__cell--d{
  grid-column: 1 / -1;
  background: transparent;
  border-color: rgba(244,237,224,.34);
  color: var(--paper);
}

.page-products .tools-hero__kicker{
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .82;
}

.page-products .tools-hero__big{
  margin: 0;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 52px;
  line-height: 1;
}

.page-products .tools-hero__mid{
  margin: 0;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 32px;
  line-height: 1;
}

.page-products .tools-hero__note{
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  opacity: .92;
}

/* ---------- 控制台式分栏 ---------- */
.page-products .tool-shell{
  display: grid;
  gap: 16px;
  padding: 26px 0 12px;
}

.page-products .tool-rail__title{
  display: none;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(18,16,15,.55);
}

.page-products .tool-rail__list{
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-products .tool-rail__item{
  flex: 0 0 auto;
}

.page-products .tool-rail__link{
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--d) var(--ease), border-color var(--d) var(--ease);
}

.page-products .tool-rail__link:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .tool-rail__num{
  font-family: var(--font-num);
  font-size: 11px;
  color: rgba(18,16,15,.5);
}

.page-products .tool-rail__link[aria-current="true"],
.page-products .tool-rail__link.is-active{
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--white);
}

.page-products .tool-rail__link[aria-current="true"] .tool-rail__num,
.page-products .tool-rail__link.is-active .tool-rail__num{
  color: rgba(255,253,248,.78);
}

/* ---------- 章节通用 ---------- */
.page-products .tool-sec{
  padding: 24px 0 34px;
  border-top: 1px solid var(--hair);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-products .tool-sec:first-child{
  border-top: 0;
  padding-top: 6px;
}

.page-products .tool-sec__head{
  position: relative;
  padding-left: 3.2rem;
  margin-bottom: 18px;
}

.page-products .tool-sec__head .index-num{
  position: absolute;
  left: 0;
  top: -10px;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--red);
}

.page-products .tool-sec__head h2{
  margin: 0 0 10px;
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-products .tool-sec__sub{
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(18,16,15,.76);
}

/* ---------- 总览卡片 ---------- */
.page-products .tool-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .tool-card{
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 15px 15px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--pc-card-shadow);
}

.page-products .tool-card__num{
  margin: 0;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 26px;
  line-height: 1;
  color: var(--blue);
}

.page-products .tool-card__title{
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
}

.page-products .tool-card__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(18,16,15,.8);
}

.page-products .tool-card__meta{
  margin: auto 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--hair);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(18,16,15,.56);
}

.page-products .tool-card__meta a{
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
}

/* ---------- 左右面板 ---------- */
.page-products .panel{
  display: grid;
  gap: 16px;
}

.page-products .panel__lead{
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
}

.page-products .panel__result{
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 4px solid var(--red);
  background: var(--paper-2);
  font-size: 14px;
  line-height: 1.7;
}

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

.page-products .panel__media .media-frame{
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
}

/* ---------- 步骤 ---------- */
.page-products .steps{
  counter-reset: st;
  display: grid;
  gap: 11px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .steps li{
  position: relative;
  padding-left: 38px;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .steps li::before{
  counter-increment: st;
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-num);
  font-size: 11px;
}

/* ---------- 三周期轨道 ---------- */
.page-products .tracks{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.page-products .track{
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 11px 9px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.page-products .track__name{
  margin: 0;
  font-size: 13px;
  font-weight: 900;
}

.page-products .track__rail{
  position: relative;
  height: 74px;
  background:
    repeating-linear-gradient(to top, rgba(58,52,47,.16) 0 1px, transparent 1px 18px),
    var(--paper);
  border-bottom: 2px solid var(--line);
}

.page-products .track__bar{
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
}

.page-products .track--week .track__bar{
  height: 45%;
  background: var(--orange);
}

.page-products .track--month .track__bar{
  height: 66%;
  background: var(--blue);
}

.page-products .track--season .track__bar{
  height: 87%;
  background: var(--red);
}

.page-products .track__note{
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: rgba(18,16,15,.6);
}

/* ---------- 要点列表 ---------- */
.page-products .ticks{
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ticks li{
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.74;
}

.page-products .ticks li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--red);
  transform: skewX(-12deg);
}

.page-products .ticks strong{
  font-weight: 900;
  color: var(--ink);
}

/* ---------- 收藏三维度 ---------- */
.page-products .dims{
  display: grid;
  gap: 10px;
}

.page-products .dim{
  padding: 13px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
}

.page-products .dim__num{
  margin: 0 0 5px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-products .dim__title{
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 900;
}

.page-products .dim__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(18,16,15,.8);
}

/* ---------- 流程图 ---------- */
.page-products .flow{
  margin: 0 0 20px;
  padding: 10px 0 14px;
  overflow-x: auto;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  scrollbar-width: thin;
}

.page-products .flow:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .flow__svg{
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

/* ---------- 版本演进 ---------- */
.page-products .vers{
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--line);
}

.page-products .vers__item{
  position: relative;
  display: grid;
  gap: 8px;
  padding: 0 0 22px 20px;
}

.page-products .vers__item::before{
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--red);
  transform: rotate(45deg);
}

.page-products .vers__year{
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 26px;
  line-height: 1;
  color: var(--red);
}

.page-products .vers__body h3{
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.4;
}

.page-products .vers__body p{
  margin: 0 0 6px;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(18,16,15,.8);
}

.page-products .vers__doc{
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--blue);
}

.page-products .vers__foot{
  margin: 6px 0 0;
  padding: 14px 16px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .vers__foot a{
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
}

/* ---------- 场景搭配 ---------- */
.page-products .scenes{
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products .scene{
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px 15px 15px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--pc-card-shadow);
}

.page-products .scene h3{
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
}

.page-products .scene p{
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: rgba(18,16,15,.82);
}

.page-products .scene__list{
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 10px 0 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.page-products .scene__list li{
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(18,16,15,.7);
}

.page-products .scene__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
}

.page-products .scene-media{
  display: grid;
  gap: 16px;
  padding: 18px 16px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.page-products .scene-media .media-frame{
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-products .scene-media__text h3{
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.3;
}

.page-products .scene-media__text p{
  margin: 0 0 10px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.76;
}

.page-products .scene-media__text a{
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
}

/* ---------- 收口 ---------- */
.page-products .tool-tail{
  margin-top: 22px;
  padding: 28px 20px 30px;
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 22px, 100% 100%, 0 100%);
}

.page-products .tool-tail h2{
  margin: 0 0 10px;
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--white);
}

.page-products .tool-tail p{
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.76;
  color: var(--on-ink);
}

.page-products .tool-tail__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-products .tools-hero{
    padding: 34px 30px 58px;
  }

  .page-products .tools-hero__collage{
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 12px;
  }

  .page-products .tools-hero__cell--a{
    grid-column: 1 / 2;
    grid-row: span 2;
  }

  .page-products .tools-hero__cell--b{
    grid-column: 2 / 3;
  }

  .page-products .tools-hero__cell--c{
    grid-column: 3 / 4;
  }

  .page-products .tools-hero__cell--d{
    grid-column: 2 / 4;
  }

  .page-products .tool-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .dims{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

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

  .page-products .vers__item{
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
  }
}

@media (min-width: 980px){
  .page-products .tools-hero{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
    padding: 44px 40px 62px;
  }

  .page-products .tools-hero__collage{
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .page-products .tool-shell{
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
    padding-top: 34px;
  }

  .page-products .tool-rail{
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-products .tool-rail__title{
    display: block;
  }

  .page-products .tool-rail__list{
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-products .tool-rail__link{
    border: 0;
    border-left: 4px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 10px 12px;
    white-space: normal;
    font-size: 14px;
  }

  .page-products .tool-rail__link:hover{
    background: var(--paper-2);
  }

  .page-products .tool-rail__link[aria-current="true"],
  .page-products .tool-rail__link.is-active{
    border-left-color: var(--red);
    background: var(--paper-2);
    color: var(--ink);
  }

  .page-products .tool-rail__link[aria-current="true"] .tool-rail__num,
  .page-products .tool-rail__link.is-active .tool-rail__num{
    color: var(--orange);
  }

  .page-products .panel{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-products .panel--flip{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-products .panel--flip .panel__media{
    order: -1;
  }

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

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

  .page-products .scene-media{
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: center;
    gap: 26px;
    padding: 22px 24px;
  }

  .page-products .tool-tail{
    padding: 40px 44px 44px;
    margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products *{
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}
<<<END>>>