.page-products {
  --st-panel-bg: linear-gradient(160deg, var(--nx-cabin-2) 0%, var(--nx-cabin) 58%, var(--nx-midnight) 100%);
  --st-inset: inset 0 1px 0 rgba(76, 240, 218, 0.12);
  display: block;
  background: var(--nx-midnight);
  color: var(--nx-white);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .st-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 5vw, 54px) 0 clamp(30px, 6vw, 74px);
  border-bottom: 1px solid var(--nx-line);
}

.page-products .st-hero::before {
  content: "";
  position: absolute;
  inset: -25% -15% auto -15%;
  height: 150%;
  z-index: -1;
  background:
    linear-gradient(115deg, transparent 34%, rgba(76, 240, 218, 0.10) 44%, transparent 52%),
    linear-gradient(115deg, transparent 58%, rgba(255, 106, 43, 0.13) 66%, transparent 73%);
  pointer-events: none;
}

.page-products .st-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(143, 163, 204, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 204, 0.07) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(120% 90% at 12% 8%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 12% 8%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-products .st-hero__inner {
  position: relative;
}

.page-products .st-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--nx-cyan);
  text-transform: uppercase;
}

.page-products .st-hero__title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--nx-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--nx-white);
}

.page-products .st-hero__lede {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--nx-mist);
}

.page-products .st-hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-bottom: 32px;
}

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

.page-products .st-fact {
  padding-left: 14px;
  border-left: 2px solid var(--nx-cyan);
}

.page-products .st-fact__num {
  display: block;
  font-family: var(--nx-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 27px);
  line-height: 1.2;
  color: var(--nx-white);
}

.page-products .st-fact__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--nx-mist);
}

/* ---------- 主体两栏 ---------- */
.page-products .st-body {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  padding-top: clamp(28px, 5vw, 54px);
  padding-bottom: clamp(40px, 8vw, 96px);
}

.page-products .st-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--nx-mist);
}

.page-products .st-index {
  display: flex;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .st-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  border-radius: var(--nx-r-md);
  font-size: 14px;
  white-space: nowrap;
  color: var(--nx-mist);
  text-decoration: none;
  transition: color var(--nx-t) var(--nx-ease), background var(--nx-t) var(--nx-ease),
    border-color var(--nx-t) var(--nx-ease);
}

.page-products .st-index__link:hover,
.page-products .st-index__link:focus-visible {
  color: var(--nx-white);
  background: rgba(76, 240, 218, 0.07);
}

.page-products .st-index__link[data-active] {
  color: var(--nx-white);
  border-left-color: var(--nx-cyan);
  background: linear-gradient(90deg, rgba(76, 240, 218, 0.16), rgba(76, 240, 218, 0) 85%);
}

.page-products .st-index__no {
  font-family: var(--nx-mono);
  font-size: 11px;
  color: var(--nx-cyan);
}

.page-products .st-rail__state {
  padding: 13px 15px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-md);
  background: rgba(20, 30, 72, 0.6);
}

.page-products .st-rail__state-title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--nx-orange);
}

.page-products .st-rail__state-text {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--nx-mist);
}

/* ---------- 章节 ---------- */
.page-products .st-block {
  margin-bottom: clamp(34px, 6vw, 62px);
  scroll-margin-top: 104px;
}

.page-products .st-block:last-child {
  margin-bottom: 0;
}

.page-products .st-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--nx-line);
}

.page-products .st-block__no {
  flex: none;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--nx-cyan);
  opacity: 0.75;
}

.page-products .st-block__title {
  margin: 0;
  font-family: var(--nx-display);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 31px);
  line-height: 1.25;
  color: var(--nx-white);
}

.page-products .st-block__desc {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--nx-mist);
}

.page-products .st-panel {
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-lg);
  background: var(--st-panel-bg);
  box-shadow: var(--nx-shadow), var(--st-inset);
}

.page-products .st-sub {
  margin: 26px 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--nx-cyan);
}

.page-products .st-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: 24px;
}

/* ---------- 图片 ---------- */
.page-products .st-figure {
  margin: 20px 0 0;
}

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

.page-products .st-figure .nx-figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--nx-mist);
}

/* ---------- 01 功能总览 ---------- */
.page-products .st-split {
  display: grid;
  gap: 22px;
}

.page-products .st-funcs {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .st-func {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 15px 2px;
  border-bottom: 1px dashed var(--nx-line-soft);
}

.page-products .st-func:first-child {
  border-top: 1px dashed var(--nx-line-soft);
}

.page-products .st-func__no {
  padding-top: 3px;
  font-size: 12px;
  color: var(--nx-cyan);
}

.page-products .st-func__name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 600;
  color: var(--nx-white);
}

.page-products .st-func__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--nx-mist);
}

/* ---------- 02 切换步骤 ---------- */
.page-products .st-steps,
.page-products .st-fix {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .st-steps {
  display: grid;
  gap: 12px;
  counter-reset: ststep;
}

.page-products .st-step {
  position: relative;
  padding: 15px 16px 15px 58px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-md);
  background: rgba(11, 18, 48, 0.55);
}

.page-products .st-step::before {
  counter-increment: ststep;
  content: counter(ststep, decimal-leading-zero);
  position: absolute;
  top: 16px;
  left: 17px;
  font-family: var(--nx-mono);
  font-size: 13px;
  color: var(--nx-orange);
}

.page-products .st-step__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--nx-white);
}

.page-products .st-step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--nx-mist);
}

.page-products .st-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .st-chips li {
  padding: 6px 13px;
  border: 1px solid var(--nx-line-soft);
  border-radius: var(--nx-r-pill);
  font-size: 13px;
  color: var(--nx-white);
}

.page-products .st-fix {
  display: grid;
  gap: 10px;
  counter-reset: stfix;
}

.page-products .st-fix li {
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--nx-white);
}

.page-products .st-fix li::before {
  counter-increment: stfix;
  content: counter(stfix);
  position: absolute;
  top: 1px;
  left: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(76, 240, 218, 0.5);
  background: rgba(76, 240, 218, 0.1);
  font-family: var(--nx-mono);
  font-size: 11px;
  color: var(--nx-cyan);
}

/* ---------- 03 关注列表 ---------- */
.page-products .st-spec {
  border-top: 1px solid var(--nx-line);
}

.page-products .st-spec__row {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--nx-line);
}

.page-products .st-spec__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nx-cyan);
}

.page-products .st-spec__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--nx-white);
}

.page-products .st-formats {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-products .st-format {
  padding: 17px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-md);
  background: rgba(11, 18, 48, 0.5);
}

.page-products .st-format__tag {
  display: inline-block;
  margin-bottom: 11px;
  padding: 3px 11px;
  border: 1px solid rgba(255, 106, 43, 0.45);
  border-radius: var(--nx-r-pill);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--nx-orange);
}

.page-products .st-format__text {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--nx-mist);
}

.page-products .st-format__file {
  margin: 0;
  padding: 9px 11px;
  border-radius: var(--nx-r-sm);
  background: rgba(76, 240, 218, 0.08);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--nx-cyan);
  word-break: break-all;
}

/* ---------- 04 版本对照 ---------- */
.page-products .st-compare {
  display: grid;
  gap: 14px;
}

.page-products .st-compare__col {
  padding: 17px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-md);
  background: rgba(11, 18, 48, 0.5);
}

.page-products .st-compare__col--old {
  opacity: 0.88;
}

.page-products .st-compare__col--new {
  border-color: rgba(76, 240, 218, 0.42);
  box-shadow: inset 0 0 0 1px rgba(76, 240, 218, 0.1);
}

.page-products .st-compare__label {
  margin: 0 0 13px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--nx-mist);
}

.page-products .st-compare__col--new .st-compare__label {
  color: var(--nx-cyan);
}

.page-products .st-compare ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .st-compare li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--nx-white);
}

.page-products .st-compare li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--nx-mist);
}

.page-products .st-compare__col--new li::before {
  background: var(--nx-cyan);
}

/* ---------- 05 提醒要点 ---------- */
.page-products .st-points {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .st-point {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 13px;
}

.page-products .st-point .nx-dot {
  margin-top: 8px;
}

.page-products .st-point__title {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--nx-white);
}

.page-products .st-point__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--nx-mist);
}

/* ---------- 06 反馈模板 ---------- */
.page-products .st-template {
  margin-top: 22px;
  padding: 16px;
  border: 1px dashed rgba(255, 106, 43, 0.45);
  border-radius: var(--nx-r-md);
  background: rgba(255, 106, 43, 0.06);
}

.page-products .st-template__line {
  margin: 0 0 9px;
  font-family: var(--nx-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--nx-white);
  word-break: break-all;
}

.page-products .st-template__line:last-child {
  margin-bottom: 0;
}

.page-products .st-template__k {
  color: var(--nx-orange);
}

/* ---------- 07 人群与流程 ---------- */
.page-products .st-roles {
  display: grid;
  gap: 14px;
}

.page-products .st-role {
  padding: 17px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-md);
  background: rgba(11, 18, 48, 0.5);
}

.page-products .st-role__name {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  font-size: 15px;
  font-weight: 600;
  color: var(--nx-white);
}

.page-products .st-role__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--nx-mist);
}

.page-products .st-track {
  position: relative;
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .st-track__item {
  position: relative;
  padding-top: 40px;
}

.page-products .st-track__dot {
  position: absolute;
  top: 8px;
  left: 0;
  width: 20px;
  height: 20px;
  border: 2px solid var(--nx-cyan);
  border-radius: 50%;
  background: var(--nx-midnight);
  box-shadow: 0 0 0 6px rgba(76, 240, 218, 0.1);
}

.page-products .st-track__no {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--nx-orange);
}

.page-products .st-track__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--nx-white);
}

.page-products .st-track__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--nx-mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .st-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .st-spec__row {
    grid-template-columns: minmax(0, 168px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 760px) {
  .page-products .st-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 900px) {
  .page-products .st-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .st-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .st-track::before {
    content: "";
    position: absolute;
    top: 17px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(76, 240, 218, 0.6), rgba(255, 106, 43, 0.55));
  }
}

@media (min-width: 1024px) {
  .page-products .st-body {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .st-rail {
    position: sticky;
    top: 96px;
  }

  .page-products .st-index {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .st-index li + li {
    margin-top: 2px;
  }

  .page-products .st-index__link {
    width: 100%;
  }
}