.page-products {
  --pf-zone-01: #17415F;
  --pf-zone-02: #A5432B;
  --pf-zone-03: #B4894A;
  --pf-zone-04: #C8694C;
  --pf-rule: rgba(78, 96, 112, .26);
  --pf-soft: rgba(78, 96, 112, .10);
}

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

.page-products .pf-kicker {
  margin: 0 0 14px;
  font-size: var(--fs-meta);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brass);
}

/* ---------- 首屏 ---------- */

.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 0;
  background: var(--deep);
  color: var(--white);
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  bottom: -260px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(181, 137, 74, .30), rgba(181, 137, 74, 0) 64%);
  pointer-events: none;
}

.page-products .pf-hero .crumbs,
.page-products .pf-hero .crumbs__item {
  color: rgba(244, 239, 230, .68);
}

.page-products .pf-hero .crumbs__item[aria-current="page"] {
  color: rgba(244, 239, 230, .92);
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  padding-top: 34px;
}

.page-products .pf-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(36px, 5.6vw, 70px);
  line-height: 1.08;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-products .pf-hero__deck {
  margin: 0 0 26px;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: var(--fs-lead);
  line-height: 1.85;
  color: rgba(244, 239, 230, .80);
}

.page-products .pf-hero .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero__art {
  margin: 0;
  border: 1px solid rgba(244, 239, 230, .18);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, .04);
}

.page-products .pf-hero__art img {
  width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-products .pf-hero__art .media__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(244, 239, 230, .62);
  background: rgba(14, 36, 57, .55);
}

.page-products .pf-index {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  margin: 38px 0 0;
  padding: 18px 0 28px;
  list-style: none;
  overflow-x: auto;
  border-top: 1px solid rgba(244, 239, 230, .18);
  scrollbar-width: none;
}

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

.page-products .pf-index li {
  flex: 0 0 auto;
}

.page-products .pf-index a {
  display: block;
  padding: 8px 15px;
  border: 1px solid rgba(244, 239, 230, .26);
  border-radius: var(--radius);
  color: rgba(244, 239, 230, .84);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-index a:hover,
.page-products .pf-index a:focus-visible {
  border-color: var(--brass);
  background: rgba(181, 137, 74, .16);
  color: var(--white);
}

/* ---------- 通用区块 ---------- */

.page-products .pf-sec {
  padding: var(--space-section) 0;
  background: var(--paper);
}

.page-products .pf-sec--white {
  background: var(--white);
}

.page-products .pf-sec--old {
  background: var(--paper-old);
}

.page-products .pf-sec--deep {
  background: var(--deep);
  color: var(--white);
}

.page-products .pf-sec__head {
  max-width: 44em;
  margin: 0 0 42px;
}

.page-products .pf-sec__head--onDark .pf-sec__lead {
  color: rgba(244, 239, 230, .78);
}

.page-products .pf-sec__kicker {
  margin: 0 0 12px;
  font-size: var(--fs-meta);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brick);
}

.page-products .pf-sec--deep .pf-sec__kicker {
  color: var(--brass);
}

.page-products .pf-sec h2 {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.22;
  color: var(--deep);
}

.page-products .pf-sec--deep h2 {
  color: var(--white);
}

.page-products .pf-sec__lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--mist);
}

.page-products .pf-sec p {
  font-family: var(--font-body);
  line-height: 1.9;
}

.page-products .pf-sec a {
  color: var(--brick);
}

.page-products .pf-after {
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: var(--border);
  font-size: 16px;
  color: var(--mist);
}

/* ---------- 编号对照图 ---------- */

.page-products .pf-structure {
  display: grid;
  gap: 36px;
}

.page-products .pf-structure__chart {
  padding: 22px 18px;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
}

.page-products .pf-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pf-map__lines line {
  stroke: var(--pale);
  stroke-width: 1.4;
  stroke-dasharray: 5 6;
}

.page-products .pf-map__box--l {
  fill: rgba(23, 65, 95, .10);
  stroke: var(--navy);
  stroke-width: 1.4;
}

.page-products .pf-map__box--r {
  fill: rgba(165, 67, 43, .10);
  stroke: var(--brick);
  stroke-width: 1.4;
}

.page-products .pf-map__t {
  font-family: var(--font-mono);
  font-size: 15px;
  fill: var(--deep);
}

.page-products .pf-map__t--r {
  fill: var(--brick);
}

.page-products .pf-map__side {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  fill: var(--pale);
}

.page-products .pf-structure__notes h3 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.4;
  color: var(--deep);
}

.page-products .pf-structure__notes p {
  margin: 0 0 18px;
  font-size: 16px;
  color: var(--mist);
}

/* ---------- 勾选式清单 ---------- */

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

.page-products .pf-ticks li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pf-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--brick);
}

.page-products .pf-sec--deep .pf-ticks li {
  color: rgba(244, 239, 230, .88);
}

.page-products .pf-sec--deep .pf-ticks li::before {
  background: var(--brass);
}

/* ---------- 分区横带 ---------- */

.page-products .pf-bands {
  display: grid;
  gap: 18px;
}

.page-products .pf-band {
  display: grid;
  gap: 16px;
  padding: 24px 22px;
  background: var(--white);
  border-left: 4px solid var(--pf-zone, var(--navy));
  border-radius: var(--radius);
  box-shadow: 0 1px 0 var(--pf-rule);
  transition: box-shadow var(--dur) var(--ease);
}

.page-products .pf-band:hover,
.page-products .pf-band:focus-within {
  box-shadow: 0 12px 30px rgba(14, 36, 57, .12);
}

.page-products .pf-band--01 { --pf-zone: var(--pf-zone-01); }
.page-products .pf-band--02 { --pf-zone: var(--pf-zone-02); }
.page-products .pf-band--03 { --pf-zone: var(--pf-zone-03); }
.page-products .pf-band--04 { --pf-zone: var(--pf-zone-04); }

.page-products .pf-band__num {
  margin: 0;
  font-size: 34px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--pf-zone);
}

.page-products .pf-band__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 22px;
  color: var(--deep);
}

.page-products .pf-band__text {
  margin: 0;
  font-size: 16px;
  color: var(--mist);
}

.page-products .pf-band__more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 200ms var(--ease), opacity 200ms var(--ease), margin-top 200ms var(--ease);
}

.page-products .pf-band:hover .pf-band__more,
.page-products .pf-band:focus-within .pf-band__more {
  max-height: 260px;
  margin-top: 18px;
  opacity: 1;
}

.page-products .pf-band__moreLabel {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--pf-zone);
}

.page-products .pf-band__side {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-products .pf-band__stat {
  font-size: 14px;
  color: var(--deep);
}

.page-products .pf-band__time {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 苹果版 ---------- */

.page-products .pf-apple {
  align-items: center;
  gap: 36px;
}

.page-products .pf-apple__text h2 {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-products .pf-apple__text p {
  margin: 0 0 18px;
  font-size: 17px;
  color: var(--mist);
}

.page-products .pf-apple__text .pf-ticks {
  margin-bottom: 26px;
}

.page-products .pf-apple__art {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border);
}

.page-products .pf-apple__art img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 媒体说明 ---------- */

.page-products .media__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-products .pf-sub__art {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border);
  background: var(--white);
}

.page-products .pf-sub__art img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pf-sub__art .media__cap {
  padding: 10px 14px;
}

.page-products .pf-sub {
  gap: 36px;
  align-items: start;
}

.page-products .pf-sub__text h2 {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-products .pf-sub__text p {
  margin: 0 0 18px;
  font-size: 17px;
  color: var(--mist);
}

.page-products .pf-figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--pf-rule);
  border: var(--border);
}

.page-products .pf-figure {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--paper);
}

.page-products .pf-figure__n {
  font-size: 26px;
  letter-spacing: -.01em;
  color: var(--brick);
}

.page-products .pf-figure__l {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 检索与对照折叠组 ---------- */

.page-products .pf-acc {
  border-top: var(--border);
}

.page-products .pf-acc .acc__item {
  border-bottom: var(--border);
}

.page-products .pf-acc .acc__trigger {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px 4px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--deep);
}

.page-products .pf-acc .acc__num {
  flex: 0 0 auto;
  min-width: 2.2em;
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--brick);
}

.page-products .pf-acc .acc__label {
  flex: 1 1 auto;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 18px;
}

.page-products .pf-acc .acc__sign {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
}

.page-products .pf-acc .acc__sign::before,
.page-products .pf-acc .acc__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
  background: var(--mist);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pf-acc .acc__sign::after {
  transform: rotate(90deg);
}

.page-products .pf-acc .acc__item.is-open .acc__sign::after {
  transform: rotate(0deg);
}

.page-products .pf-acc .acc__item.is-open .acc__sign::before,
.page-products .pf-acc .acc__item.is-open .acc__sign::after {
  background: var(--brick);
}

.page-products .pf-acc .acc__body {
  padding: 0 4px 24px 3.2em;
}

.page-products .pf-acc .acc__body p {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  color: var(--mist);
}

.page-products .pf-sec--old .pf-acc {
  border-top-color: rgba(78, 96, 112, .34);
}

/* ---------- 版本对照双栏 ---------- */

.page-products .pf-vers {
  gap: 36px;
  align-items: start;
}

.page-products .pf-vers__side h2 {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-products .pf-vers__side p {
  margin: 0 0 16px;
  font-size: 17px;
  color: var(--mist);
}

/* ---------- 纠错步骤 ---------- */

.page-products .pf-steps {
  display: grid;
  gap: 20px;
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
  counter-reset: pf-step;
}

.page-products .pf-step {
  padding: 22px 22px 24px;
  background: var(--white);
  border-top: 3px solid var(--pf-rule);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pf-step:hover {
  border-top-color: var(--brick);
}

.page-products .pf-step__n {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--brass);
}

.page-products .pf-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 19px;
  color: var(--deep);
}

.page-products .pf-step p {
  margin: 0;
  font-size: 16px;
  color: var(--mist);
}

/* ---------- 人群匹配 ---------- */

.page-products .pf-personas {
  display: grid;
  gap: 18px;
}

.page-products .pf-persona {
  padding: 24px 22px;
  background: rgba(244, 239, 230, .06);
  border: 1px solid rgba(244, 239, 230, .16);
  border-left: 4px solid var(--brass);
  border-radius: var(--radius);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-persona:hover {
  background: rgba(244, 239, 230, .10);
  border-color: rgba(244, 239, 230, .30);
  border-left-color: var(--brick-lt);
}

.page-products .pf-persona__num {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brass);
}

.page-products .pf-persona h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
}

.page-products .pf-persona__rec {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--brick-lt);
}

.page-products .pf-persona p {
  margin: 0 0 14px;
  font-size: 16px;
  color: rgba(244, 239, 230, .82);
}

.page-products .pf-persona__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-products .pf-persona__tags .tag {
  border-color: rgba(244, 239, 230, .30);
  color: rgba(244, 239, 230, .88);
}

/* ---------- 漂移标签墙 ---------- */

.page-products .pf-tagwall {
  position: relative;
  margin-top: var(--space-section);
  padding: 32px 0;
  overflow: hidden;
  background: rgba(14, 36, 57, .55);
  border-top: 1px solid rgba(244, 239, 230, .14);
}

.page-products .pf-drift {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: pf-drift-move 40s linear infinite;
}

.page-products .pf-tagwall:hover .pf-drift,
.page-products .pf-tagwall:focus-within .pf-drift {
  animation-play-state: paused;
}

.page-products .pf-drift__set {
  display: flex;
  gap: 12px;
  padding-right: 12px;
}

.page-products .pf-tagwall .tag {
  border-color: rgba(244, 239, 230, .34);
  color: rgba(244, 239, 230, .90);
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-tagwall .tag:hover {
  transform: translateY(-2px);
  border-color: var(--brass);
}

.page-products .pf-tagwall .tag--brass {
  border-color: rgba(181, 137, 74, .70);
  color: var(--brass);
}

@keyframes pf-drift-move {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 起始区块 ---------- */

.page-products .pf-start {
  display: grid;
  gap: 26px;
  padding: 34px 28px;
  background: var(--white);
  border: var(--border);
  border-left: 4px solid var(--brass);
  border-radius: var(--radius-lg);
}

.page-products .pf-start__text h2 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.26;
  color: var(--deep);
}

.page-products .pf-start__text p {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  color: var(--mist);
}

.page-products .pf-start .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-products .pf-bands {
    gap: 0;
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pf-personas {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pf-structure {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero {
    padding-top: 34px;
  }

  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: end;
    padding-top: 46px;
  }

  .page-products .pf-band {
    grid-template-columns: 84px minmax(0, 1fr) 186px;
    gap: 28px;
    align-items: start;
    padding: 30px 32px;
  }

  .page-products .pf-band__side {
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    text-align: right;
  }

  .page-products .pf-apple {
    gap: 56px;
  }

  .page-products .pf-sub {
    gap: 56px;
  }

  .page-products .pf-sub__art {
    margin-bottom: 0;
  }

  .page-products .pf-vers {
    gap: 56px;
  }

  .page-products .pf-start {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 40px 38px;
  }

  .page-products .pf-start .btn-row {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1100px) {
  .page-products .pf-personas {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (hover: none) {
  .page-products .pf-band__more {
    max-height: 320px;
    margin-top: 18px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-drift {
    animation: none;
  }

  .page-products .pf-band__more,
  .page-products .pf-persona,
  .page-products .pf-index a,
  .page-products .pf-tagwall .tag,
  .page-products .pf-step {
    transition: none;
  }
}