.page-products {
  --pf-cut: 14px;
  --pf-hair: rgba(42, 70, 100, 0.55);
  --pf-hair-soft: rgba(42, 70, 100, 0.34);
  --pf-cyan-wash: rgba(53, 224, 208, 0.08);
  padding-top: calc(var(--mx-header-h) + 14px);
  overflow-x: hidden;
  background-color: var(--mx-ink);
  color: var(--mx-white);
  font-family: var(--mx-font-body);
  -webkit-text-size-adjust: 100%;
}

.page-products [id] {
  scroll-margin-top: calc(var(--mx-header-h) + 20px);
}

.page-products .pf-crumb {
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-products .pf-crumb .mx-breadcrumb__current {
  color: var(--mx-orange);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  border-bottom: 1px solid var(--pf-hair);
  background-image:
    linear-gradient(to right, rgba(42, 70, 100, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 70, 100, 0.3) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 88% at 16% 6%, rgba(53, 224, 208, 0.14), transparent 58%),
    linear-gradient(180deg, rgba(10, 22, 40, 0.3), rgba(10, 22, 40, 0.94) 82%);
}

.page-products .pf-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding-top: clamp(22px, 4vw, 52px);
  padding-bottom: clamp(34px, 5vw, 70px);
}

.page-products .pf-hero__title {
  margin: 14px 0 16px;
  font-family: var(--mx-font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

.page-products .pf-hero__lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 60ch;
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  line-height: 1.78;
  color: rgba(255, 248, 236, 0.86);
}

.page-products .pf-hero__facts {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.page-products .pf-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--mx-cyan);
}

.page-products .pf-hero__facts li > span:first-child {
  font-family: var(--mx-font-mono);
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  color: var(--mx-cyan);
  line-height: 1.1;
}

.page-products .pf-hero__facts li > span:last-child {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--mx-mute);
}

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

.page-products .pf-hero__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pf-hero__frame {
  padding: 9px;
  background: linear-gradient(158deg, var(--mx-cyan), rgba(139, 92, 246, 0.6) 54%, var(--mx-orange));
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-products .pf-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--mx-panel);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-products .pf-hero__cap {
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  color: var(--mx-mute-2);
}

/* ---------- 通用章节 ---------- */
.page-products .pf-band {
  padding: clamp(38px, 6vw, 86px) 0;
  border-bottom: 1px solid var(--pf-hair);
}

.page-products .pf-band--dark {
  background: linear-gradient(180deg, rgba(16, 35, 61, 0.92), rgba(10, 22, 40, 0.98));
}

.page-products .pf-band--paper {
  background: var(--mx-cream);
  color: var(--mx-brown);
  border-bottom-color: rgba(35, 28, 24, 0.16);
}

.page-products .pf-band--paper .mx-eyebrow {
  color: var(--mx-brick);
}

.page-products .pf-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3.5vw, 38px);
}

.page-products .pf-head .mx-title-lg {
  margin: 12px 0 12px;
  font-family: var(--mx-font-display);
  font-weight: 800;
  line-height: 1.08;
}

.page-products .pf-head .mx-lede {
  margin: 0;
  line-height: 1.78;
  color: rgba(255, 248, 236, 0.82);
}

.page-products .pf-mono-note {
  margin: 10px 0 0;
  font-family: var(--mx-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mx-mute-2);
}

/* ---------- 功能对照表 ---------- */
.page-products .pf-tablewrap {
  border: 1px solid var(--pf-hair);
  background: var(--mx-panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .pf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.page-products .pf-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 18px;
  font-family: var(--mx-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mx-mute);
  border-bottom: 1px solid var(--pf-hair);
}

.page-products .pf-table th {
  text-align: left;
  padding: 12px 18px;
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mx-cyan);
  background: rgba(10, 22, 40, 0.6);
  border-bottom: 1px solid var(--pf-hair);
  white-space: nowrap;
}

.page-products .pf-table td {
  padding: 16px 18px;
  vertical-align: top;
  line-height: 1.66;
  color: rgba(255, 248, 236, 0.88);
  border-bottom: 1px solid var(--pf-hair-soft);
}

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

.page-products .pf-table tbody tr {
  transition: background-color 0.2s ease;
}

.page-products .pf-table tbody tr:hover {
  background: var(--pf-cyan-wash);
}

.page-products .pf-feature {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-products .pf-feature__name {
  font-family: var(--mx-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--mx-white);
}

.page-products .pf-feature__meta {
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mx-mute-2);
}

.page-products .pf-link {
  color: var(--mx-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 224, 208, 0.5);
  padding-bottom: 1px;
  font-size: 0.9rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .pf-link:hover {
  color: var(--mx-orange);
  border-bottom-color: var(--mx-orange);
}

/* ---------- 分栏章节 ---------- */
.page-products .pf-split {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pf-split__title {
  margin: 12px 0 14px;
  font-family: var(--mx-font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.1;
  color: var(--mx-brown);
}

.page-products .pf-split__lede {
  margin: 0 0 22px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(35, 28, 24, 0.86);
}

.page-products .pf-split__note {
  margin: 0 0 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(35, 28, 24, 0.16);
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(35, 28, 24, 0.78);
}

.page-products .pf-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pf-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  padding-top: 13px;
  border-top: 1px solid rgba(35, 28, 24, 0.18);
}

.page-products .pf-steps__i {
  font-family: var(--mx-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--mx-brick);
  padding-top: 3px;
}

.page-products .pf-steps h3 {
  margin: 0 0 5px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--mx-brown);
}

.page-products .pf-steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.74;
  color: rgba(35, 28, 24, 0.8);
}

.page-products .pf-checks {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pf-checks li {
  position: relative;
  padding-left: 20px;
  font-size: 0.93rem;
  line-height: 1.76;
  color: rgba(35, 28, 24, 0.82);
}

.page-products .pf-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--mx-brick);
  transform: rotate(45deg);
}

.page-products .pf-checks strong {
  display: block;
  margin-bottom: 2px;
  color: var(--mx-brown);
}

.page-products .pf-shot {
  margin: 0;
  padding: 8px;
  background: rgba(255, 248, 236, 0.72);
  border: 1px solid rgba(35, 28, 24, 0.18);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-products .pf-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--mx-panel);
}

.page-products .pf-shot figcaption {
  padding: 9px 4px 2px;
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: rgba(35, 28, 24, 0.62);
}

.page-products .pf-shot--wide {
  margin-top: clamp(22px, 3vw, 34px);
  background: var(--mx-panel);
  border-color: var(--pf-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .pf-shot--wide figcaption {
  color: var(--mx-mute-2);
}

/* ---------- V4 三阶段 ---------- */
.page-products .pf-phases {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}

.page-products .pf-phase {
  padding: 22px 20px 24px;
  border: 1px solid var(--pf-hair);
  background: linear-gradient(180deg, rgba(16, 35, 61, 0.96), rgba(16, 35, 61, 0.7));
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-products .pf-phase:hover {
  border-color: rgba(53, 224, 208, 0.5);
  transform: translateY(-2px);
}

.page-products .pf-phase__stage {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--mx-orange);
}

.page-products .pf-phase h3 {
  margin: 0 0 8px;
  font-family: var(--mx-font-display);
  font-weight: 700;
  font-size: 1.34rem;
  line-height: 1.16;
  color: var(--mx-white);
}

.page-products .pf-phase p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: rgba(255, 248, 236, 0.78);
}

.page-products .pf-refresh {
  margin-top: 18px;
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 22px;
  border-left: 3px solid var(--mx-cyan);
  background: var(--pf-cyan-wash);
}

.page-products .pf-refresh__k {
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mx-mute);
}

.page-products .pf-refresh__v {
  font-family: var(--mx-font-mono);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--mx-cyan);
  line-height: 1.1;
}

.page-products .pf-refresh__note {
  font-size: 0.86rem;
  color: rgba(255, 248, 236, 0.78);
}

/* ---------- 适配清单折叠 ---------- */
.page-products .pf-folds {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.page-products .pf-fold {
  border: 1px solid var(--pf-hair);
  background: var(--mx-panel);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-products .pf-fold__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--mx-white);
}

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

.page-products .pf-fold__sum::after {
  content: "+";
  font-family: var(--mx-font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--mx-cyan);
}

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

.page-products .pf-fold__sum:hover {
  background: var(--pf-cyan-wash);
}

.page-products .pf-fold__idx {
  font-family: var(--mx-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mx-orange);
}

.page-products .pf-fold__count {
  margin-left: auto;
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  font-weight: 400;
  color: var(--mx-mute);
  white-space: nowrap;
}

.page-products .pf-fold__body {
  padding: 0 18px 16px;
  font-size: 0.91rem;
  line-height: 1.78;
  color: rgba(255, 248, 236, 0.8);
  border-top: 1px solid var(--pf-hair-soft);
  padding-top: 12px;
}

.page-products .pf-fold__body ul {
  margin: 0;
  padding-left: 18px;
}

.page-products .pf-fold__body li {
  margin-bottom: 7px;
}

.page-products .pf-fold__body li:last-child {
  margin-bottom: 0;
}

/* ---------- 场景导航 ---------- */
.page-products .pf-scenes {
  display: grid;
  gap: 14px;
}

.page-products .pf-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  border: 1px solid var(--pf-hair);
  border-top: 3px solid var(--mx-orange);
  background: linear-gradient(180deg, rgba(16, 35, 61, 0.92), rgba(10, 22, 40, 0.92));
}

.page-products .pf-scene__idx {
  font-family: var(--mx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--mx-mute-2);
}

.page-products .pf-scene h3 {
  margin: 0;
  font-family: var(--mx-font-display);
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.18;
  color: var(--mx-white);
}

.page-products .pf-scene p {
  margin: 0;
  flex: 1;
  font-size: 0.92rem;
  line-height: 1.76;
  color: rgba(255, 248, 236, 0.78);
}

/* ---------- 收尾 ---------- */
.page-products .pf-tail {
  padding: clamp(38px, 6vw, 76px) 0 clamp(46px, 7vw, 90px);
  background: linear-gradient(180deg, rgba(16, 35, 61, 0.9), rgba(10, 22, 40, 1));
  border-top: 1px solid var(--pf-hair);
}

.page-products .pf-tail__title {
  margin: 12px 0 14px;
  font-family: var(--mx-font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  line-height: 1.1;
}

.page-products .pf-tail__text {
  margin: 0;
  max-width: 64ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(255, 248, 236, 0.8);
}

.page-products .pf-tail__links {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-products .pf-tail__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid var(--pf-hair);
  color: var(--mx-white);
  text-decoration: none;
  font-size: 0.93rem;
  transition: border-color 0.22s ease, background-color 0.22s ease, color 0.22s ease;
}

.page-products .pf-tail__links a:hover {
  border-color: var(--mx-cyan);
  background: var(--pf-cyan-wash);
  color: var(--mx-cyan);
}

.page-products .pf-tail__arrow {
  font-family: var(--mx-font-mono);
  color: var(--mx-orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pf-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-products .pf-split--flip > .pf-split__body {
    order: 2;
  }

  .page-products .pf-split--flip > .pf-shot {
    order: 1;
  }

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

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

@media (min-width: 960px) {
  .page-products .pf-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }

  .page-products .pf-hero__figure {
    align-self: center;
  }
}

@media (max-width: 760px) {
  .page-products .pf-table caption {
    padding: 12px 14px;
    letter-spacing: 0.1em;
  }

  .page-products .pf-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .page-products .pf-table,
  .page-products .pf-table tbody,
  .page-products .pf-table tr,
  .page-products .pf-table td {
    display: block;
    width: 100%;
  }

  .page-products .pf-table tr {
    padding: 14px 16px;
    border-bottom: 1px solid var(--pf-hair);
  }

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

  .page-products .pf-table td {
    padding: 5px 0;
    border-bottom: 0;
  }

  .page-products .pf-table td::before {
    content: attr(data-th);
    display: block;
    margin-bottom: 3px;
    font-family: var(--mx-font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--mx-mute-2);
  }

  .page-products .pf-refresh {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-products .pf-fold__sum {
    flex-wrap: wrap;
    gap: 8px 10px;
    font-size: 0.94rem;
  }

  .page-products .pf-fold__count {
    margin-left: 0;
    width: 100%;
    order: 3;
  }

  .page-products .pf-fold__sum::after {
    margin-left: auto;
  }

  .page-products .pf-steps li {
    grid-template-columns: 34px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-phase,
  .page-products .pf-table tbody tr,
  .page-products .pf-tail__links a,
  .page-products .pf-link {
    transition: none;
  }

  .page-products .pf-phase:hover {
    transform: none;
  }
}