.page-products {
  --pp-gap: clamp(20px, 4vw, 40px);
  --pp-panel-pad: clamp(22px, 4vw, 44px);
  position: relative;
  overflow-x: hidden;
  padding-bottom: clamp(44px, 8vw, 96px);
  color: var(--kx-paper);
  background:
    radial-gradient(1200px 520px at 88% -8%, rgba(61, 242, 212, 0.12), transparent 60%),
    radial-gradient(900px 460px at -12% 40%, rgba(139, 92, 246, 0.13), transparent 62%),
    linear-gradient(180deg, var(--kx-ink) 0%, var(--kx-ink-2) 55%, var(--kx-ink) 100%);
}

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

/* 首屏 */
.page-products .pp-hero {
  position: relative;
  padding: clamp(26px, 6vw, 68px) 0 clamp(22px, 5vw, 52px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(147, 167, 196, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 167, 196, 0.08) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 80%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 80%);
}

.page-products .pp-hero > * {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 8.2vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--kx-paper);
  max-width: 18ch;
}

.page-products .pp-hero__accent {
  color: var(--kx-cyan);
}

.page-products .pp-hero__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--kx-mist);
}

.page-products .pp-jump {
  display: flex;
  gap: 10px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 18px 0 4px;
  list-style: none;
  overflow-x: auto;
  border-top: 1px solid var(--kx-line-soft);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-products .pp-jump::-webkit-scrollbar {
  display: none;
}

.page-products .pp-jump a {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--kx-line);
  border-radius: 999px;
  font-family: var(--kx-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--kx-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--kx-ease), background-color 0.2s var(--kx-ease), border-color 0.2s var(--kx-ease);
}

.page-products .pp-jump a:hover,
.page-products .pp-jump a:focus-visible {
  color: var(--kx-ink);
  background-color: var(--kx-cyan);
  border-color: var(--kx-cyan);
}

/* 章节通用 */
.page-products .pp-block {
  padding: clamp(38px, 7vw, 84px) 0;
  border-top: 1px solid var(--kx-line-soft);
}

.page-products .pp-head {
  max-width: 60ch;
}

.page-products .pp-no {
  margin: 0 0 10px;
  font-family: var(--kx-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--kx-cyan);
}

.page-products .pp-no--dark {
  color: var(--kx-orange);
}

.page-products .pp-h2 {
  margin: 0;
  font-size: clamp(25px, 4.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--kx-paper);
}

.page-products .pp-lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--kx-mist);
}

.page-products .pp-copy {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--kx-mist);
}

.page-products .pp-copy a {
  color: var(--kx-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pp-figure {
  margin: var(--pp-gap) 0 0;
  border: 1px solid var(--kx-line);
  border-radius: var(--kx-radius-lg);
  overflow: hidden;
}

.page-products .pp-figure img {
  width: 100%;
  object-fit: cover;
}

/* 三端对照行 */
.page-products .pp-routes {
  list-style: none;
  margin: var(--pp-gap) 0 0;
  padding: 0;
  border-top: 1px solid var(--kx-line);
}

.page-products .pp-route {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 0 22px 16px;
  border-bottom: 1px solid var(--kx-line-soft);
}

.page-products .pp-route::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--kx-cyan), rgba(61, 242, 212, 0));
}

.page-products .pp-route__name {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--kx-paper);
}

.page-products .pp-route__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--kx-mist);
}

.page-products .pp-route__entry {
  margin: 0;
  font-family: var(--kx-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--kx-cyan);
}

/* PC 端费用纸层 */
.page-products .pp-fee {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: var(--pp-panel-pad);
  border-radius: var(--kx-radius-lg);
}

.page-products .pp-fee .pp-h2 {
  color: var(--kx-coal);
}

.page-products .pp-fee__p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(23, 17, 13, 0.76);
}

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

.page-products .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(23, 17, 13, 0.82);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--kx-orange);
}

.page-products .pp-fee__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(23, 17, 13, 0.16);
}

.page-products .pp-fee__num {
  font-family: var(--kx-mono);
  font-size: clamp(42px, 8vw, 74px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--kx-orange);
}

.page-products .pp-fee__unit {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: rgba(23, 17, 13, 0.66);
}

.page-products .pp-fee__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .pp-fee__side .pp-figure {
  margin: 0;
  border-color: rgba(23, 17, 13, 0.14);
  border-radius: var(--kx-radius);
}

.page-products .pp-bar-box {
  padding: 16px;
  border-radius: var(--kx-radius);
  background: rgba(23, 17, 13, 0.05);
}

.page-products .pp-bar {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-products .pp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(23, 17, 13, 0.7);
}

.page-products .pp-legend li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-products .pp-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.page-products .pp-dot--cyan { background: #3DF2D4; }
.page-products .pp-dot--amber { background: #FFC24B; }
.page-products .pp-dot--violet { background: #8B5CF6; }
.page-products .pp-dot--orange { background: #FF5A1F; }

/* 移动端 V4 */
.page-products .pp-mobile {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-mobile__figure {
  margin: 0;
}

.page-products .pp-mobile__figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .pp-metrics {
  display: grid;
  gap: 16px;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-metric {
  padding-top: 12px;
  border-top: 1px solid var(--kx-line);
}

.page-products .pp-metric__v {
  display: block;
  font-family: var(--kx-mono);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--kx-cyan);
}

.page-products .pp-metric__l {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--kx-mist);
}

/* 价格档位 */
.page-products .pp-plans {
  display: grid;
  gap: 18px;
  margin-top: var(--pp-gap);
}

.page-products .pp-plan {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--kx-line);
  border-radius: var(--kx-radius-lg);
  background: var(--kx-glass);
  transition: border-color 0.25s var(--kx-ease), transform 0.25s var(--kx-ease);
}

.page-products .pp-plan:hover {
  border-color: var(--kx-line-strong);
}

.page-products .pp-plan--focus {
  border-color: var(--kx-violet);
  box-shadow: 0 0 0 1px var(--kx-violet), 0 26px 48px -30px rgba(139, 92, 246, 0.8);
}

.page-products .pp-plan__name {
  margin: 0;
  font-family: var(--kx-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--kx-cyan);
}

.page-products .pp-plan__price {
  margin: 0;
  font-family: var(--kx-mono);
  font-size: clamp(32px, 6vw, 44px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--kx-paper);
}

.page-products .pp-plan__price small {
  font-family: var(--kx-font);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--kx-mist);
}

.page-products .pp-plan__for {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--kx-mist);
}

.page-products .pp-plan ul {
  margin: 6px 0 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--kx-line-soft);
}

.page-products .pp-plan li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--kx-paper);
}

.page-products .pp-plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 2px;
  border-radius: 2px;
  background: var(--kx-cyan);
}

.page-products .pp-upgrade {
  margin: var(--pp-gap) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--kx-amber);
  border-radius: 0 var(--kx-radius) var(--kx-radius) 0;
  background: rgba(255, 194, 75, 0.1);
  font-size: 15px;
  line-height: 1.75;
  color: var(--kx-paper);
}

/* 多端同步 */
.page-products .pp-sync {
  display: grid;
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .pp-sync__figure {
  margin: 0;
}

.page-products .pp-sync__figure img {
  width: 100%;
  object-fit: cover;
}

/* 步骤 */
.page-products .pp-steps {
  list-style: none;
  margin: var(--pp-gap) 0 0;
  padding: 0;
  counter-reset: ppstep;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--kx-line-soft);
}

.page-products .pp-step__no {
  font-family: var(--kx-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--kx-cyan);
}

.page-products .pp-step__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  color: var(--kx-paper);
}

.page-products .pp-step__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--kx-mist);
}

.page-products .pp-step__time {
  grid-column: 2;
  font-family: var(--kx-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--kx-amber);
}

/* 环境对照表 */
.page-products .pp-table-wrap {
  margin-top: var(--pp-gap);
  overflow-x: auto;
  border: 1px solid var(--kx-line);
  border-radius: var(--kx-radius);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .pp-table__caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--kx-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--kx-mist);
  border-bottom: 1px solid var(--kx-line-soft);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--kx-line-soft);
}

.page-products .pp-table thead th {
  background: var(--kx-ink-2);
  font-family: var(--kx-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--kx-cyan);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--kx-ink);
  font-weight: 600;
  color: var(--kx-paper);
  white-space: nowrap;
}

.page-products .pp-table tbody td {
  color: var(--kx-mist);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: none;
}

/* 收尾 */
.page-products .pp-outro {
  margin-top: clamp(30px, 6vw, 60px);
  padding: var(--pp-panel-pad);
  border: 1px solid var(--kx-line);
  border-radius: var(--kx-radius-lg);
  background: linear-gradient(120deg, rgba(61, 242, 212, 0.12), rgba(139, 92, 246, 0.14));
}

.page-products .pp-outro__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--kx-paper);
}

.page-products .pp-outro__text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--kx-mist);
}

.page-products .pp-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

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

@media (min-width: 760px) {
  .page-products .pp-route {
    grid-template-columns: 190px minmax(0, 1fr) 210px;
    gap: 8px 24px;
    align-items: start;
  }

  .page-products .pp-route__entry {
    text-align: right;
  }

  .page-products .pp-step {
    grid-template-columns: 90px minmax(0, 1fr) 110px;
    align-items: baseline;
  }

  .page-products .pp-step__time {
    grid-column: 3;
    text-align: right;
  }
}

@media (min-width: 820px) {
  .page-products .pp-plans {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-products .pp-plan--focus {
    transform: translateY(-6px);
  }
}

@media (min-width: 900px) {
  .page-products .pp-fee {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-products .pp-mobile {
    grid-template-columns: 0.78fr 1.22fr;
    align-items: center;
  }

  .page-products .pp-sync {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-hero__title {
    max-width: 16ch;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-plan,
  .page-products .pp-jump a {
    transition: none;
  }

  .page-products .pp-plan--focus {
    transform: none;
  }
}