.page-products {
  max-width: var(--z9-wrap);
  margin-inline: auto;
  padding: clamp(20px, 4vw, 40px) var(--z9-gutter) 96px;
  color: var(--z9-paper);
  font-family: var(--z9-font-body);
  font-size: 17px;
  line-height: 1.85;
  overflow-x: clip;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products .z9-breadcrumb {
  margin-bottom: 30px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

/* ---------- 首屏 ---------- */
.page-products .ph-intro {
  padding-bottom: 44px;
  border-bottom: 1px solid var(--z9-line);
}

.page-products .ph-intro .z9-eyebrow {
  margin: 0 0 18px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--z9-cyan);
}

.page-products .ph-intro h1 {
  margin: 0;
  max-width: 15ch;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 72px);
  line-height: .98;
  letter-spacing: -.01em;
  color: var(--z9-paper);
}

.page-products .ph-intro .z9-lede {
  max-width: 46ch;
  margin: 24px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--z9-paper);
  opacity: .87;
}

.page-products .ph-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 52px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--z9-line);
}

.page-products .ph-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .ph-fact__num {
  font-family: var(--z9-font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  color: var(--z9-cyan);
}

.page-products .ph-fact__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--z9-mist);
}

/* ---------- 目录与筛选 ---------- */
.page-products .ph-catalog {
  margin-top: 56px;
}

.page-products .ph-catalog__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px 32px;
  padding-bottom: 22px;
}

.page-products .ph-catalog__bar h2 {
  margin: 0;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.05;
  color: var(--z9-paper);
}

.page-products .ph-catalog__bar .z9-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 栏目长条 ---------- */
.page-products .ph-row {
  display: grid;
  gap: 22px;
  padding: 40px 0 46px;
  border-top: 1px solid var(--z9-line);
}

.page-products .ph-row[data-filtered="off"] {
  display: none;
}

@media (min-width: 900px) {
  .page-products .ph-row {
    grid-template-columns: minmax(180px, 3fr) minmax(0, 8fr);
    gap: 56px;
  }
}

.page-products .ph-row__idx {
  display: inline-block;
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--z9-cyan);
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--z9-cyan);
}

.page-products .ph-row__title {
  margin: 0 0 10px;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.06;
  color: var(--z9-paper);
}

.page-products .ph-row__sub {
  margin: 0;
  max-width: 26ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--z9-mist);
}

.page-products .ph-row__body {
  display: grid;
  gap: 26px;
}

@media (min-width: 760px) {
  .page-products .ph-row__body--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

.page-products .ph-row__text .z9-prose {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--z9-paper);
}

.page-products .ph-specs {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--z9-line);
}

.page-products .ph-specs li {
  display: grid;
  grid-template-columns: minmax(80px, 26%) minmax(0, 1fr);
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--z9-line);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .ph-specs__k {
  padding-top: 3px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--z9-mist);
}

.page-products .ph-specs__v {
  color: var(--z9-paper);
}

.page-products .ph-row__fit {
  margin: 0;
  max-width: 52ch;
  padding-left: 14px;
  border-left: 2px solid var(--z9-orange);
  font-size: 14px;
  line-height: 1.75;
  color: var(--z9-mist);
}

.page-products .ph-row__figure {
  margin: 0;
}

.page-products .ph-row__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--z9-line);
  border-radius: 2px;
  background: var(--z9-brown);
}

.page-products .z9-figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--z9-mist);
}

/* ---------- 半场比分色阶 ---------- */
.page-products .ph-heat {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 3px;
  margin: 26px 0 12px;
  border-radius: 2px;
  overflow: hidden;
}

.page-products .ph-heat__seg {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 106px;
  padding: 12px 10px 14px;
  font-family: var(--z9-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  line-height: 1.25;
  letter-spacing: .02em;
  outline: none;
}

.page-products .ph-heat__seg--1 { background: var(--z9-heat-1); color: var(--z9-paper); }
.page-products .ph-heat__seg--2 { background: var(--z9-heat-2); color: var(--z9-brown); }
.page-products .ph-heat__seg--3 { background: var(--z9-heat-3); color: var(--z9-brown); }
.page-products .ph-heat__seg--4 { background: var(--z9-heat-4); color: var(--z9-brown); }
.page-products .ph-heat__seg--5 { background: var(--z9-heat-5); color: var(--z9-paper); }

.page-products .ph-heat__tip {
  font-family: var(--z9-font-body);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0;
  opacity: .62;
  transition: opacity .24s var(--z9-ease);
}

.page-products .ph-heat__seg:hover .ph-heat__tip,
.page-products .ph-heat__seg:focus .ph-heat__tip,
.page-products .ph-heat__seg:focus-within .ph-heat__tip {
  opacity: 1;
}

.page-products .ph-heat__legend {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--z9-mist);
}

/* ---------- 订阅版本 ---------- */
.page-products .ph-plans {
  margin-top: 72px;
  padding: clamp(28px, 4vw, 48px) clamp(20px, 4vw, 44px);
  background: var(--z9-paper);
  color: var(--z9-brown);
  border-radius: 3px;
  box-shadow: var(--z9-shadow);
}

.page-products .ph-plans .z9-eyebrow {
  margin: 0 0 14px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--z9-brick);
}

.page-products .ph-plans h2 {
  margin: 0 0 14px;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.04;
  color: var(--z9-brown);
}

.page-products .ph-lede {
  max-width: 52ch;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.8;
  color: #3B2F26;
}

.page-products .z9-tablewrap {
  overflow-x: auto;
}

.page-products .ph-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .ph-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: #6B5C4D;
}

.page-products .ph-table th,
.page-products .ph-table td {
  padding: 14px 18px 14px 0;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid rgba(23, 18, 14, .16);
}

.page-products .ph-table thead th {
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: #6B5C4D;
  border-bottom: 1px solid var(--z9-brown);
}

.page-products .ph-table tbody th {
  white-space: nowrap;
  font-weight: 700;
  color: var(--z9-brown);
}

.page-products .ph-table tbody td {
  color: #3B2F26;
}

/* ---------- 上手流程 ---------- */
.page-products .ph-flow {
  margin-top: 76px;
}

.page-products .ph-flow .z9-eyebrow {
  margin: 0 0 14px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--z9-cyan);
}

.page-products .ph-flow h2 {
  margin: 0 0 6px;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.05;
  color: var(--z9-paper);
}

.page-products .ph-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 1fr);
  gap: 0;
  counter-reset: phstep;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 880px) {
  .page-products .ph-steps {
    grid-auto-columns: minmax(0, 1fr);
    overflow-x: visible;
  }
}

.page-products .ph-step {
  position: relative;
  padding: 32px 26px 0 0;
  border-top: 1px solid var(--z9-line);
  scroll-snap-align: start;
}

.page-products .ph-step::before {
  counter-increment: phstep;
  content: "0" counter(phstep);
  position: absolute;
  top: -10px;
  left: 0;
  padding-right: 12px;
  background: var(--z9-ink);
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--z9-orange);
}

.page-products .ph-step::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 42px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--z9-orange);
}

.page-products .ph-step__title {
  margin: 0 0 8px;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.2;
  color: var(--z9-paper);
}

.page-products .ph-step__text {
  margin: 0;
  max-width: 32ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--z9-mist);
}

/* ---------- 咨询入口 ---------- */
.page-products .ph-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 20px;
  margin-top: 76px;
  padding: 34px clamp(20px, 4vw, 40px);
  border: 1px solid var(--z9-line);
  border-left: 3px solid var(--z9-cyan);
  background: linear-gradient(180deg, rgba(59, 240, 200, .07), rgba(255, 106, 43, .06));
}

.page-products .ph-cta__text {
  flex: 1 1 320px;
  margin: 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--z9-paper);
}

/* ---------- 延伸阅读 ---------- */
.page-products .ph-more {
  margin-top: 66px;
  padding-top: 32px;
  border-top: 1px solid var(--z9-line);
}

.page-products .ph-more h2 {
  margin: 0 0 20px;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--z9-paper);
}

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

@media (min-width: 760px) {
  .page-products .ph-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 44px;
  }
}

.page-products .ph-more__list li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--z9-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--z9-mist);
}

.page-products .ph-more__list a {
  color: var(--z9-cyan);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 200, .35);
}

.page-products .ph-more__list a:hover,
.page-products .ph-more__list a:focus-visible {
  color: var(--z9-orange);
  border-bottom-color: rgba(255, 106, 43, .5);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 640px) {
  .page-products {
    padding-inline: 20px;
    font-size: 16px;
  }

  .page-products .ph-heat {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-products .ph-heat__seg {
    min-height: 0;
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 10px 12px;
  }

  .page-products .ph-heat__tip {
    opacity: .8;
    text-align: right;
  }

  .page-products .ph-specs li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .ph-specs__k {
    padding-top: 0;
  }

  .page-products .ph-facts {
    gap: 16px 32px;
  }

  .page-products .ph-step {
    padding-right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ph-heat__tip {
    transition: none;
  }

  .page-products .ph-steps {
    scroll-behavior: auto;
  }
}