/* ============================================================
   page-products — 平台与服务
   ============================================================ */

.page-products {
  --pf-rail: 148px;
  --pf-gap: clamp(52px, 6.5vw, 96px);
  background: var(--bone);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-products .pf-crumb {
  padding-top: calc(var(--header-h) + 14px);
  padding-bottom: 14px;
  background: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(72px, 9vw, 128px);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: -10% -20%;
  background-image: repeating-linear-gradient(
    -12deg,
    transparent 0 44px,
    rgba(200, 16, 46, 0.16) 44px 45px
  );
  pointer-events: none;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: clamp(28px, 4vw, 56px);
  background: var(--bone);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-products .pf-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-products .pf-hero__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 3px solid var(--red);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--gold);
}

.page-products .pf-hero__title {
  margin: 0 0 clamp(16px, 2vw, 26px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 5.2vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .pf-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

.page-products .pf-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px clamp(24px, 3vw, 40px);
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding: 0;
}

.page-products .pf-stats__num {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-products .pf-stats__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.58);
}

.page-products .pf-hero__visual {
  margin: 0;
  border: 1px solid var(--glass-line);
  background: var(--ink-2);
}

.page-products .pf-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体布局 ---------- */
.page-products .pf-body {
  background: var(--bone);
  padding-bottom: clamp(56px, 8vw, 108px);
}

.page-products .pf-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

/* ---------- 左侧锚点轨 ---------- */
.page-products .pf-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gray);
}

.page-products .pf-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-products .pf-rail__link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
  padding: 9px 13px;
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .pf-rail__idx {
  font-size: 11px;
  color: var(--gold);
}

.page-products .pf-rail__link:hover,
.page-products .pf-rail__link:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
}

/* ---------- 内容流 ---------- */
.page-products .pf-flow {
  display: flex;
  flex-direction: column;
  gap: var(--pf-gap);
  min-width: 0;
}

.page-products .pf-sec {
  scroll-margin-top: calc(var(--header-h) + 24px);
  min-width: 0;
}

.page-products .pf-tag {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .pf-tag .v28-tagplate__title {
  font-size: clamp(23px, 2.8vw, 34px);
}

.page-products .pf-inline-link {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .pf-inline-link:hover {
  color: var(--red);
}

/* ---------- E01 价格带 ---------- */
.page-products .pf-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 24px);
}

.page-products .pf-bar {
  padding: clamp(16px, 2vw, 22px) clamp(16px, 2vw, 24px);
  background: var(--paper);
  border-left: 4px solid var(--red);
  border-top: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  transition: transform 0.28s var(--ease), border-left-color 0.28s var(--ease);
}

.page-products .pf-bar:hover {
  transform: translateX(4px);
  border-left-color: var(--cyan);
}

.page-products .pf-bar__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 12px;
}

.page-products .pf-bar__name {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .pf-bar__range {
  font-size: clamp(14px, 1.6vw, 17px);
  font-weight: 700;
  color: var(--red);
  white-space: nowrap;
}

.page-products .pf-bar__track {
  position: relative;
  height: 10px;
  background: rgba(13, 13, 17, 0.07);
  overflow: hidden;
}

.page-products .pf-bar__track::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 23px,
    rgba(13, 13, 17, 0.07) 23px 24px
  );
}

.page-products .pf-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--red), var(--red-deep));
  transition: width 0.5s var(--ease);
}

.page-products .pf-bar:nth-child(1) .pf-bar__fill { width: 30%; }
.page-products .pf-bar:nth-child(2) .pf-bar__fill { width: 44%; }
.page-products .pf-bar:nth-child(3) .pf-bar__fill { width: 51%; }
.page-products .pf-bar:nth-child(4) .pf-bar__fill { width: 100%; }

.page-products .pf-bar__meta {
  margin: 11px 0 0;
  font-size: 13px;
  color: var(--gray);
}

.page-products .pf-bar__extra {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
  transition: max-height 0.32s var(--ease), margin-top 0.32s var(--ease);
}

@media (hover: hover) {
  .page-products .pf-bar:hover .pf-bar__extra,
  .page-products .pf-bar:focus-within .pf-bar__extra {
    max-height: 70px;
    margin-top: 8px;
  }
}

/* ---------- E02 型号与品类 ---------- */
.page-products .pf-models {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pf-model {
  padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2vw, 22px);
  background: var(--paper);
  border-top: 3px solid var(--ink);
}

.page-products .pf-model__line {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-products .pf-model__count {
  margin: 12px 0 0;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-products .pf-model__unit {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--gray);
}

.page-products .pf-model__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pf-model__list li {
  padding: 4px 9px;
  font-size: 12px;
  color: var(--gray);
  background: rgba(13, 13, 17, 0.05);
}

/* ---------- E03 资料与费用 ---------- */
.page-products .pf-docs__banner {
  margin: 0 0 clamp(24px, 3vw, 36px);
}

.page-products .pf-docs__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products .pf-table-wrap {
  min-width: 0;
  overflow-x: auto;
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-products .pf-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pf-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: var(--ink);
}

.page-products .pf-table thead th.pf-table__th-fee {
  text-align: right;
}

.page-products .pf-table tbody th {
  padding: 15px 14px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .pf-table tbody td {
  padding: 15px 14px;
  color: var(--gray);
  line-height: 1.7;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-products .pf-table tbody tr:nth-child(even) {
  background: rgba(13, 13, 17, 0.028);
}

.page-products .pf-table tbody tr:last-child th,
.page-products .pf-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pf-table__fee {
  text-align: right;
  white-space: nowrap;
  font-weight: 700;
  color: var(--gold);
  -webkit-text-fill-color: var(--gold);
}

.page-products .pf-docs__side {
  margin: 0;
}

.page-products .pf-docs__side img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-docs__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
  max-width: 68ch;
}

/* ---------- E04 服务额度 ---------- */
.page-products .pf-sec--dark {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(30px, 4.4vw, 58px) clamp(20px, 3vw, 46px);
}

.page-products .pf-quota-bg {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
}

.page-products .pf-quota-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pf-quota-inner {
  position: relative;
  z-index: 1;
}

.page-products .pf-sec--dark .pf-tag {
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-products .pf-quota {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pf-quota__card {
  padding: clamp(20px, 2.4vw, 30px) clamp(18px, 2vw, 26px);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-products .pf-quota__tier {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-products .pf-quota__num {
  margin: 14px 0 0;
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-products .pf-quota__unit {
  margin: 8px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
}

.page-products .pf-quota__track {
  position: relative;
  height: 8px;
  margin: 20px 0 0;
  background: var(--ink-2);
  overflow: hidden;
}

.page-products .pf-quota__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
}

.page-products .pf-quota__card:nth-child(1) .pf-quota__fill { width: 7%; }
.page-products .pf-quota__card:nth-child(2) .pf-quota__fill { width: 24%; }
.page-products .pf-quota__card:nth-child(3) .pf-quota__fill { width: 100%; }

.page-products .pf-quota__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

.page-products .pf-quota__list li {
  padding-left: 16px;
  position: relative;
}

.page-products .pf-quota__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(-12deg);
}

/* ---------- E05 查询与升级 ---------- */
.page-products .pf-usage {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 clamp(20px, 3vw, 40px);
}

.page-products .pf-usage__item {
  display: flex;
  gap: 14px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-usage__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

.page-products .pf-usage__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  color: var(--ink);
}

.page-products .pf-usage__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
  max-width: 62ch;
}

/* ---------- E06 采购流程 ---------- */
.page-products .pf-proc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .pf-flowsteps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pf-flowstep {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  padding: clamp(18px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-flowstep:first-child {
  padding-top: 0;
}

.page-products .pf-flowstep:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pf-flowstep__num {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  background: var(--ink);
  border-bottom: 3px solid var(--red);
  transform: rotate(-12deg);
}

.page-products .pf-flowstep__body {
  min-width: 0;
}

.page-products .pf-flowstep__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  color: var(--ink);
}

.page-products .pf-flowstep__text {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
  max-width: 58ch;
}

.page-products .pf-flowstep__time {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
}

.page-products .pf-proc__figure {
  margin: 0;
}

.page-products .pf-proc__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- E07 使用场景 ---------- */
.page-products .pf-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

.page-products .pf-scene {
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--line);
  transition: border-left-color 0.3s var(--ease);
}

.page-products .pf-scene:hover {
  border-left-color: var(--red);
}

.page-products .pf-scene__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pf-scene__for {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
}

.page-products .pf-scene__dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 7px 14px;
  font-size: 13px;
}

.page-products .pf-scene__dl dt {
  color: var(--gray);
  white-space: nowrap;
}

.page-products .pf-scene__dl dd {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 结尾引导 ---------- */
.page-products .pf-cta {
  position: relative;
  padding: clamp(28px, 4vw, 48px) clamp(22px, 3vw, 44px);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-products .pf-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 100%;
  background: var(--red);
  clip-path: polygon(0 0, 100% 0, 58% 100%, 0 100%);
  opacity: 0.9;
}

.page-products .pf-cta__title {
  position: relative;
  margin: 0 0 14px;
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-products .pf-cta__text {
  position: relative;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
  max-width: 62ch;
}

.page-products .pf-cta__links {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================================
   响应式
   ============================================================ */

@media (min-width: 620px) {
  .page-products .pf-models {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-usage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-quota {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }
  .page-products .pf-quota {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-docs {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  }
}

@media (min-width: 1024px) {
  .page-products .pf-layout {
    grid-template-columns: var(--pf-rail) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
    align-items: start;
  }

  .page-products .pf-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    align-self: start;
  }

  .page-products .pf-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-products .pf-rail__list li + li {
    margin-top: 2px;
  }

  .page-products .pf-rail__link {
    display: block;
    padding: 10px 0 10px 13px;
    white-space: normal;
    background: none;
    border: 0;
    border-left: 2px solid var(--line);
    line-height: 1.45;
  }

  .page-products .pf-rail__link:hover,
  .page-products .pf-rail__link:focus-visible {
    border-left-color: var(--cyan);
    color: var(--ink);
    background: rgba(34, 211, 197, 0.06);
  }

  .page-products .pf-rail__idx {
    display: block;
    margin-bottom: 2px;
  }

  .page-products .pf-proc {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
  }
}

@media (min-width: 1180px) {
  .page-products .pf-models {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 窄屏兜底：防止横向溢出 */
@media (max-width: 479px) {
  .page-products .pf-hero__title {
    font-size: 30px;
  }
  .page-products .pf-bar__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .page-products .pf-flowstep {
    grid-template-columns: 46px minmax(0, 1fr);
  }
  .page-products .pf-flowstep__num {
    width: 42px;
    height: 42px;
    font-size: 15px;
  }
  .page-products .pf-cta::before {
    width: 72px;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-products .pf-bar,
  .page-products .pf-bar__fill,
  .page-products .pf-bar__extra,
  .page-products .pf-scene,
  .page-products .pf-rail__link {
    transition: none;
  }
  .page-products .pf-bar:hover {
    transform: none;
  }
  .page-products .pf-flowstep__num {
    transform: none;
  }
}
<<<END>>>