.page-products {
  --pf-border: 2px;
  --pf-muted: #a9b5c1;
  --pf-muted-strong: #c3ced8;
  --pf-hairline: rgba(90, 101, 114, 0.45);
  position: relative;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

/* ---------- 面包屑 ---------- */
.page-products .pf-crumbs {
  padding-top: calc(var(--header-h) + 18px);
}

.page-products .breadcrumb-list {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-products .breadcrumb-item[aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(48px, 8vw, 104px);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(125, 249, 255, 0.04) 0 1px,
    transparent 1px 5px
  );
}

.page-products .pf-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  border: var(--pf-border) solid rgba(90, 101, 114, 0.7);
  padding: clamp(20px, 3.6vw, 46px);
  background: linear-gradient(140deg, rgba(0, 58, 68, 0.32), rgba(5, 7, 10, 0.9) 62%);
}

.page-products .pf-hero-grid::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -2px;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--cyan) 0 2px, transparent 2px 26px);
  opacity: 0.6;
  pointer-events: none;
}

.page-products .pf-index {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pf-index::after {
  content: "";
  width: 72px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-products .pf-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.03;
  letter-spacing: -0.022em;
  color: var(--white);
}

.page-products .pf-h1-accent {
  color: var(--cyan);
  display: inline-block;
}

.page-products .pf-lede {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.76;
  color: var(--pf-muted-strong);
}

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

.page-products .pf-hero-rail {
  align-self: end;
  border: var(--pf-border) solid var(--line);
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.08), rgba(5, 7, 10, 0) 62%), var(--panel);
  box-shadow: 9px 9px 0 rgba(0, 229, 255, 0.16);
  padding: 20px 20px 22px;
}

.page-products .pf-rail-head {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pf-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-rail-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(90, 101, 114, 0.55);
  font-size: 13px;
}

.page-products .pf-rail-list li:last-child {
  border-bottom: 0;
}

.page-products .pf-rail-key {
  color: #94a1ae;
}

.page-products .pf-rail-val {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
}

.page-products .pf-rail-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 46, 138, 0.45);
  font-size: 12.5px;
  line-height: 1.7;
  color: #b3bfca;
}

/* ---------- 通用区块 ---------- */
.page-products .pf-section {
  position: relative;
  padding: clamp(48px, 8vw, 96px) 0;
  border-bottom: 1px solid rgba(90, 101, 114, 0.28);
}

.page-products .section-head {
  display: grid;
  gap: 10px;
  max-width: 820px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .section-index {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-products .pf-lede-sm {
  margin: 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-muted);
}

/* ---------- 图片框 ---------- */
.page-products .media-frame {
  margin: 0;
  border: var(--pf-border) solid var(--line);
  background: var(--panel);
  box-shadow: 10px 10px 0 rgba(0, 229, 255, 0.14);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .media-caption {
  padding: 12px 16px;
  border-top: 1px solid rgba(90, 101, 114, 0.5);
  font-family: var(--font-data);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: #97a4b1;
}

/* ---------- FILE 01 资料库 ---------- */
.page-products .pf-library-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .pf-lib-side {
  display: grid;
  gap: 14px;
}

.page-products .pf-note {
  border: 1px solid rgba(90, 101, 114, 0.6);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(180deg, rgba(26, 32, 40, 0.94), rgba(5, 7, 10, 0.7));
  padding: 16px 18px 18px;
}

.page-products .pf-note--magenta {
  border-left-color: var(--magenta);
}

.page-products .pf-note--lime {
  border-left-color: var(--lime);
}

.page-products .pf-note h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .pf-note h3 .data-num {
  font-family: var(--font-data);
  font-size: 18px;
  color: var(--lime);
}

.page-products .pf-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--pf-muted);
}

/* ---------- FILE 02 权益日志 ---------- */
.page-products .pf-section--benefits {
  background: linear-gradient(180deg, rgba(0, 58, 68, 0.26), rgba(5, 7, 10, 0) 42%);
}

.page-products .pf-log-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .pf-log {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: pflog;
}

.page-products .pf-log-item {
  position: relative;
  counter-increment: pflog;
  border: var(--pf-border) solid rgba(90, 101, 114, 0.62);
  background: var(--panel);
  padding: 20px 18px 18px;
  box-shadow: 8px 8px 0 rgba(0, 58, 68, 0.6);
}

.page-products .pf-log-item::before {
  content: counter(pflog, decimal-leading-zero);
  position: absolute;
  top: 0;
  right: 0;
  padding: 5px 10px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-products .pf-log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  padding-right: 58px;
}

.page-products .pf-chip {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid currentColor;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.55;
  white-space: nowrap;
}

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

.page-products .pf-chip--magenta {
  color: var(--magenta);
}

.page-products .pf-chip--lime {
  color: var(--lime);
}

.page-products .pf-log-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pf-log-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pf-muted-strong);
}

.page-products .pf-panel {
  margin-top: 14px;
  border-top: 1px solid rgba(90, 101, 114, 0.45);
}

.page-products .pf-panel-head {
  display: block;
  width: 100%;
  margin: 0;
  padding: 12px 0 4px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  transition: color 0.2s var(--ease);
}

.page-products .pf-panel-head::after {
  content: " +";
  color: var(--line);
}

.page-products .pf-panel-head[aria-expanded="true"]::after {
  content: " −";
  color: var(--lime);
}

.page-products .pf-panel-head:hover,
.page-products .pf-panel-head:focus-visible {
  color: var(--lime);
}

.page-products .pf-panel-body p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--pf-muted);
}

.page-products .pf-aside-card {
  border: var(--pf-border) solid var(--line);
  background: linear-gradient(180deg, rgba(255, 46, 138, 0.08), rgba(5, 7, 10, 0) 55%), var(--panel);
  padding: 20px 18px;
  box-shadow: 9px 9px 0 rgba(255, 46, 138, 0.14);
}

.page-products .pf-aside-label {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--magenta);
}

.page-products .pf-aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-aside-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(90, 101, 114, 0.5);
  font-size: 13.5px;
  color: var(--pf-muted-strong);
}

.page-products .pf-aside-list li:last-child {
  border-bottom: 0;
}

.page-products .pf-aside-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 229, 255, 0.35);
  font-size: 12.5px;
  line-height: 1.72;
  color: #aebac5;
}

/* ---------- FILE 03 移动端 ---------- */
.page-products .pf-mobile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 54px);
}

.page-products .pf-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: pfstep;
}

.page-products .pf-steps li {
  position: relative;
  counter-increment: pfstep;
  padding-left: 46px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--pf-muted-strong);
}

.page-products .pf-steps li::before {
  content: counter(pfstep);
  position: absolute;
  left: 0;
  top: 1px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: var(--pf-border) solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
}

.page-products .pf-mobile-shot {
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
  box-shadow: 10px 10px 0 rgba(166, 255, 0, 0.14);
}

/* ---------- FILE 04 场景 ---------- */
.page-products .pf-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-products .pf-scene {
  border: var(--pf-border) solid rgba(90, 101, 114, 0.6);
  border-top: 3px solid var(--cyan);
  background: var(--panel);
  padding: 22px 20px 20px;
  box-shadow: 8px 8px 0 rgba(0, 229, 255, 0.1);
}

.page-products .pf-scene:nth-child(1) {
  border-top-color: var(--magenta);
  box-shadow: 8px 8px 0 rgba(255, 46, 138, 0.12);
}

.page-products .pf-scene:nth-child(3) {
  border-top-color: var(--lime);
  box-shadow: 8px 8px 0 rgba(166, 255, 0, 0.12);
}

.page-products .pf-scene-num {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pf-scene:nth-child(1) .pf-scene-num {
  color: var(--magenta);
}

.page-products .pf-scene:nth-child(3) .pf-scene-num {
  color: var(--lime);
}

.page-products .pf-scene h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.28;
  color: var(--white);
}

.page-products .pf-scene p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--pf-muted);
}

.page-products .pf-scene-path {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(90, 101, 114, 0.55);
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: #8f9caa;
}

/* ---------- FILE 05 服务能力 ---------- */
.page-products .pf-section--scale {
  background: linear-gradient(180deg, rgba(0, 58, 68, 0.3), rgba(5, 7, 10, 0) 50%);
}

.page-products .pf-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(24px, 4vw, 38px) 0 0;
  border-top: 1px solid var(--pf-hairline);
  border-left: 1px solid var(--pf-hairline);
}

.page-products .pf-stat {
  padding: 18px 16px 20px;
  border-right: 1px solid var(--pf-hairline);
  border-bottom: 1px solid var(--pf-hairline);
  background: linear-gradient(180deg, rgba(26, 32, 40, 0.9), rgba(5, 7, 10, 0.4));
}

.page-products .pf-stat dt {
  margin-bottom: 10px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: #93a0ad;
}

.page-products .pf-stat dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pf-stat:nth-child(2) dd {
  color: var(--lime);
}

.page-products .pf-stat:nth-child(3) dd {
  color: var(--magenta);
}

.page-products .pf-unit {
  margin-left: 5px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--pf-muted-strong);
}

.page-products .pf-scale-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 82ch;
  padding-left: 18px;
  border-left: 3px solid var(--cyan);
  font-size: 14px;
  line-height: 1.82;
  color: var(--pf-muted);
}

/* ---------- 延伸入口 ---------- */
.page-products .pf-outro {
  padding: clamp(44px, 7vw, 84px) 0 clamp(56px, 8vw, 96px);
}

.page-products .pf-outro-title {
  margin: 0 0 24px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pf-outro-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pf-hairline);
}

.page-products .pf-outro-links li {
  border-bottom: 1px solid var(--pf-hairline);
}

.page-products .pf-outro-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--pf-muted-strong);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-products .pf-outro-link:hover,
.page-products .pf-outro-link:focus-visible {
  color: var(--cyan);
  padding-left: 12px;
}

.page-products .pf-outro-tag {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid currentColor;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pf-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-stats .pf-stat {
    padding: 22px 20px 24px;
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: end;
  }

  .page-products .pf-library-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-products .pf-mobile-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-products .pf-mobile-shot {
    max-width: none;
    margin: 0;
  }

  .page-products .pf-scenes {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .pf-scene:nth-child(2) {
    margin-top: 34px;
  }
}

@media (min-width: 1000px) {
  .page-products .pf-log-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.62fr);
    align-items: start;
  }

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

@media (max-width: 420px) {
  .page-products .pf-log-meta {
    padding-right: 0;
  }

  .page-products .pf-log-item::before {
    position: static;
    display: inline-block;
    margin-bottom: 10px;
  }
}
</main>