.page-products {
  --pf-line: 1px solid rgba(185, 194, 207, .18);
  --pf-line-soft: 1px solid rgba(185, 194, 207, .1);
  --pf-panel: rgba(12, 22, 48, .72);
  --pf-panel-solid: #0C1630;
  background: var(--ink-900);
  color: var(--text-light);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text-light);
}

.page-products p {
  margin: 0;
}

.page-products ul,
.page-products ol,
.page-products dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products a {
  color: inherit;
  text-decoration: none;
}

.page-products .pf-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grey-300);
  margin-bottom: 28px;
}

.page-products .pf-crumb a {
  color: var(--grey-300);
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-products .pf-crumb a:hover,
.page-products .pf-crumb a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-products .pf-crumb__sep {
  color: rgba(185, 194, 207, .45);
}

.page-products .pf-crumb__current {
  color: var(--cyan-200);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(51, 225, 218, .13), transparent 58%),
    radial-gradient(80% 70% at 100% 100%, rgba(226, 61, 142, .12), transparent 60%),
    var(--ink-900);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(185, 194, 207, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185, 194, 207, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 82%);
  mask-image: linear-gradient(180deg, #000, transparent 82%);
  pointer-events: none;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -16%;
  width: 62%;
  height: 170%;
  background: linear-gradient(158deg, rgba(51, 225, 218, .12), rgba(6, 11, 26, 0) 62%);
  transform: rotate(-9deg);
  clip-path: polygon(22% 0, 100% 0, 78% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
  align-items: start;
}

.page-products .pf-hero .eyebrow {
  margin-bottom: 18px;
}

.page-products .pf-hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.12;
  max-width: 16ch;
}

.page-products .pf-hero__text {
  margin-top: 22px;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 239, 247, .82);
}

.page-products .pf-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero__panel {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid rgba(51, 225, 218, .26);
  background: var(--pf-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .pf-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: var(--pf-line);
}

.page-products .pf-panel__ver {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-400);
  letter-spacing: .08em;
}

.page-products .pf-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 16px;
  background: rgba(185, 194, 207, .14);
}

.page-products .pf-fact {
  background: var(--ink-900);
  padding: 14px 12px;
}

.page-products .pf-fact__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--grey-300);
}

.page-products .pf-fact__num {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan-200);
}

.page-products .pf-panel__note {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey-300);
}

/* ---------- 通用章节头 ---------- */
.page-products .pf-sec__head {
  max-width: 66ch;
}

.page-products .pf-sec__head .eyebrow {
  margin-bottom: 14px;
}

.page-products .pf-sec__head h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.2rem);
  line-height: 1.24;
}

.page-products .pf-lede {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 239, 247, .78);
}

/* ---------- 工具总览 ---------- */
.page-products .pf-tools {
  padding: 8px 0 20px;
}

.page-products .pf-tools__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.page-products .pf-tool {
  --pf-accent: var(--cyan-400);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 18px;
  background: var(--pf-panel-solid);
  border: var(--pf-line);
  border-top: 2px solid var(--pf-accent);
  transition: border-color .22s ease, transform .22s ease, background-color .22s ease;
}

.page-products .pf-tool:nth-child(2) {
  --pf-accent: var(--magenta-500);
}

.page-products .pf-tool:nth-child(3) {
  --pf-accent: var(--moss-500);
}

.page-products .pf-tool:nth-child(4) {
  --pf-accent: var(--amber-400);
}

.page-products .pf-tool:nth-child(5) {
  --pf-accent: var(--cyan-200);
}

.page-products .pf-tool:hover,
.page-products .pf-tool:focus-visible {
  border-color: rgba(51, 225, 218, .5);
  border-top-color: var(--pf-accent);
  transform: translateY(-2px);
  background: #101B38;
}

.page-products .pf-tool__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pf-tool__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--pf-accent);
}

.page-products .pf-tool__name {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text-light);
}

.page-products .pf-tool__desc {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(232, 239, 247, .74);
}

.page-products .pf-tool__link {
  margin-top: 6px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--pf-accent);
  letter-spacing: .04em;
}

.page-products .pf-tool:hover .pf-tool__link::after,
.page-products .pf-tool:focus-visible .pf-tool__link::after {
  content: " →";
}

/* ---------- 主区双栏 ---------- */
.page-products .pf-body {
  padding: 56px 0 64px;
}

.page-products .pf-body__grid {
  display: grid;
  gap: 44px;
}

.page-products .pf-index {
  border-left: 2px solid rgba(51, 225, 218, .32);
  padding-left: 18px;
}

.page-products .pf-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--grey-300);
  margin-bottom: 14px;
}

.page-products .pf-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.page-products .pf-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  color: rgba(232, 239, 247, .74);
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-products .pf-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(51, 225, 218, .72);
}

.page-products .pf-index__link:hover,
.page-products .pf-index__link:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-products .pf-index__foot {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey-300);
}

.page-products .pf-index__foot a {
  color: var(--cyan-400);
  border-bottom: 1px solid rgba(51, 225, 218, .4);
}

/* ---------- 章节 ---------- */
.page-products .pf-sec {
  padding-top: 44px;
  margin-top: 44px;
  border-top: var(--pf-line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-products .pf-sec:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-products .pf-sec[data-reveal] {
  opacity: 1;
}

.page-products .pf-sec__grid {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

/* ---------- 设置清单 ---------- */
.page-products .pf-settings {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-products .pf-set {
  border: var(--pf-line);
  background: rgba(12, 22, 48, .6);
  transition: border-color .2s ease;
}

.page-products .pf-set:hover {
  border-color: rgba(51, 225, 218, .38);
}

.page-products .pf-set summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .pf-set summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-set summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan-400);
}

.page-products .pf-set[open] summary::after {
  content: "−";
}

.page-products .pf-set__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(51, 225, 218, .8);
}

.page-products .pf-set__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
}

.page-products .pf-set__hint {
  margin-left: auto;
  font-size: 12px;
  color: var(--grey-300);
  text-align: right;
}

.page-products .pf-set__body {
  padding: 0 14px 14px 44px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(232, 239, 247, .74);
}

/* ---------- 截图 ---------- */
.page-products .pf-shot {
  margin: 0;
  align-self: start;
  border: var(--pf-line);
  background: rgba(12, 22, 48, .5);
}

.page-products .pf-shot--wide {
  margin-top: 30px;
}

.page-products .pf-shot .media-frame__bar {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--grey-300);
}

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

.page-products .pf-shot .media-frame__caption,
.page-products .pf-phone figcaption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--grey-300);
}

/* ---------- 额度 ---------- */
.page-products .pf-quota {
  margin-top: 30px;
}

.page-products .pf-bar {
  display: flex;
  height: 20px;
  border: 1px solid rgba(51, 225, 218, .3);
  background: rgba(6, 11, 26, .7);
  overflow: hidden;
}

.page-products .pf-bar__seg {
  display: block;
  height: 100%;
}

.page-products .pf-bar__seg--avail {
  width: 62%;
  background: linear-gradient(90deg, rgba(51, 225, 218, .92), rgba(51, 225, 218, .45));
}

.page-products .pf-bar__seg--frozen {
  width: 14%;
  background: repeating-linear-gradient(135deg, rgba(226, 61, 142, .9) 0 6px, rgba(226, 61, 142, .42) 6px 12px);
}

.page-products .pf-bar__seg--campaign {
  width: 24%;
  background: linear-gradient(90deg, rgba(242, 178, 76, .9), rgba(242, 178, 76, .45));
}

.page-products .pf-bar__cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--grey-300);
}

.page-products .pf-quota__legend {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-products .pf-qitem {
  --pf-dot: var(--cyan-400);
  padding: 16px 16px 14px;
  border: var(--pf-line);
  border-left: 3px solid var(--pf-dot);
  background: rgba(12, 22, 48, .6);
}

.page-products .pf-qitem--frozen {
  --pf-dot: var(--magenta-500);
}

.page-products .pf-qitem--campaign {
  --pf-dot: var(--amber-400);
}

.page-products .pf-qitem--history {
  --pf-dot: var(--moss-500);
}

.page-products .pf-qitem__name {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: .02em;
}

.page-products .pf-qitem__desc {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(232, 239, 247, .76);
}

.page-products .pf-qitem__tip {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--pf-dot);
}

/* ---------- 三步 ---------- */
.page-products .pf-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 30px;
  counter-reset: pf-step;
}

.page-products .pf-step {
  position: relative;
  padding: 20px 18px;
  border: var(--pf-line);
  background: rgba(12, 22, 48, .62);
}

.page-products .pf-step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan-400);
}

.page-products .pf-step__name {
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-light);
}

.page-products .pf-step__text {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(232, 239, 247, .74);
}

.page-products .pf-tips {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-products .pf-tips__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(232, 239, 247, .8);
  background: rgba(51, 225, 218, .05);
  border: 1px dashed rgba(51, 225, 218, .26);
}

.page-products .pf-tips__item .tag {
  flex: none;
  margin-top: 2px;
}

/* ---------- 活动规则 ---------- */
.page-products .pf-rules {
  margin-top: 30px;
  border-top: var(--pf-line);
}

.page-products .pf-rule {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: var(--pf-line);
}

.page-products .pf-rule__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan-200);
}

.page-products .pf-rule__read {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 239, 247, .8);
}

.page-products .pf-rule__note {
  font-size: 12px;
  line-height: 1.7;
  color: var(--amber-400);
}

.page-products .pf-rules__foot {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 239, 247, .76);
}

.page-products .pf-rules__foot a {
  color: var(--cyan-400);
  border-bottom: 1px solid rgba(51, 225, 218, .42);
}

/* ---------- 版本对比 ---------- */
.page-products .pf-compare__wrap {
  margin-top: 30px;
  overflow-x: auto;
  border: var(--pf-line);
  background: rgba(12, 22, 48, .55);
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-compare__table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pf-compare__cap {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--grey-300);
  border-bottom: var(--pf-line);
}

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

.page-products .pf-compare__table thead th {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grey-300);
  background: rgba(6, 11, 26, .6);
  border-bottom: var(--pf-line);
}

.page-products .pf-compare__table tbody th {
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}

.page-products .pf-compare__table tbody td {
  color: rgba(232, 239, 247, .7);
}

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

.page-products .pf-compare__new {
  color: var(--cyan-200) !important;
  border-left: 2px solid rgba(51, 225, 218, .5);
  background: rgba(51, 225, 218, .06);
}

/* ---------- 场景 ---------- */
.page-products .pf-scenes__layout {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-products .pf-scenes {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pf-scene {
  padding: 18px;
  border: var(--pf-line);
  background: linear-gradient(180deg, rgba(12, 22, 48, .85), rgba(12, 22, 48, .5));
}

.page-products .pf-scene__who {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
}

.page-products .pf-scene__using {
  margin-top: 8px;
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-900);
  background: var(--cyan-400);
}

.page-products .pf-scene__text {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.78;
  color: rgba(232, 239, 247, .76);
}

.page-products .pf-scene__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-400);
  border-bottom: 1px solid rgba(51, 225, 218, .42);
}

.page-products .pf-phone {
  margin: 0;
  max-width: 300px;
  border: var(--pf-line);
  background: rgba(12, 22, 48, .5);
  padding: 10px;
}

.page-products .pf-phone figcaption {
  padding: 10px 4px 2px;
}

/* ---------- 尾部行动区 ---------- */
.page-products .pf-cta {
  padding: 8px 0 72px;
}

.page-products .pf-cta__inner {
  display: grid;
  gap: 22px;
  padding: 28px 22px;
  border: 1px solid rgba(226, 61, 142, .28);
  background:
    radial-gradient(90% 140% at 100% 0%, rgba(226, 61, 142, .16), transparent 62%),
    rgba(12, 22, 48, .8);
}

.page-products .pf-cta__inner h2 {
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  line-height: 1.3;
}

.page-products .pf-cta__inner p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 239, 247, .78);
}

.page-products .pf-cta__inner .eyebrow {
  margin-bottom: 14px;
}

.page-products .pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

@media (min-width: 880px) {
  .page-products .pf-hero {
    padding: 64px 0 84px;
  }

  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr);
    gap: 56px;
  }

  .page-products .pf-sec__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 32px;
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .pf-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--cyan-400);
  }

  .page-products .pf-rule {
    grid-template-columns: 132px minmax(0, 1fr) 208px;
    gap: 24px;
    align-items: start;
  }

  .page-products .pf-rule__note {
    text-align: left;
  }

  .page-products .pf-scenes__layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 26px;
  }

  .page-products .pf-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 34px 30px;
  }

  .page-products .pf-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-products .pf-body__grid {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 56px;
  }

  .page-products .pf-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-products .pf-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-products .pf-index__link {
    padding: 8px 0;
  }

  .page-products .pf-tools__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pf-tool:nth-child(1),
  .page-products .pf-tool:nth-child(2) {
    grid-column: span 3;
  }

  .page-products .pf-tool:nth-child(3),
  .page-products .pf-tool:nth-child(4),
  .page-products .pf-tool:nth-child(5) {
    grid-column: span 2;
  }

  .page-products .pf-settings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .page-products .pf-quota__legend {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .page-products .pf-sec__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr);
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-tool,
  .page-products .pf-set,
  .page-products .pf-index__link {
    transition: none;
  }

  .page-products .pf-tool:hover,
  .page-products .pf-tool:focus-visible {
    transform: none;
  }
}
<<<END>>>