.page-products {
  --pd-gap: clamp(1rem, 2.4vw, 1.6rem);
  --pd-panel: rgba(18, 27, 74, 0.72);
  --pd-panel-deep: rgba(10, 17, 48, 0.5);
}

/* ============ 通用排版 ============ */
.page-products p {
  color: var(--text-dim);
  line-height: 1.8;
  margin: 0 0 0.9rem;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--text);
  margin: 0.5rem 0 1rem;
}

.page-products .eyebrow {
  margin: 0 0 0.2rem;
}

.page-products .pd-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  line-height: 1.2;
  letter-spacing: 0.025em;
  color: var(--text);
  margin: 0.55rem 0 0;
  max-width: 22ch;
}

/* ============ 首屏 ============ */
.page-products .pd-hero {
  padding-top: clamp(1.2rem, 3vw, 2rem);
}

.page-products .pd-hero__head {
  max-width: 74ch;
}

.page-products .pd-hero__lead {
  margin-top: 1rem;
  max-width: 64ch;
  font-size: clamp(1rem, 2.1vw, 1.075rem);
  color: var(--text-dim);
}

/* 三张错落对比卡 */
.page-products .pd-compare {
  display: grid;
  gap: var(--pd-gap);
  margin-top: clamp(1.6rem, 4vw, 2.8rem);
}

.page-products .pd-card {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.55rem);
  background: linear-gradient(155deg, rgba(30, 42, 107, 0.9), rgba(18, 27, 74, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .pd-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  opacity: 0.6;
  transition: width 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-products .pd-card:nth-child(1)::before {
  background: linear-gradient(180deg, var(--amber), var(--amber-d));
}

.page-products .pd-card:nth-child(2)::before {
  background: linear-gradient(180deg, var(--cyan), var(--ink-600));
}

.page-products .pd-card:nth-child(3)::before {
  background: linear-gradient(180deg, var(--cyan-l), var(--cyan));
}

.page-products .pd-card:hover,
.page-products .pd-card:focus-within,
.page-products .pd-card:focus-visible {
  border-color: rgba(255, 159, 28, 0.85);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 159, 28, 0.18), 0 22px 46px -30px rgba(34, 211, 238, 0.6);
  outline: none;
}

.page-products .pd-card:hover::before,
.page-products .pd-card:focus-within::before {
  width: 3px;
  opacity: 1;
}

.page-products .pd-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  letter-spacing: 0.035em;
  color: var(--text);
  margin: 0.7rem 0 0;
}

.page-products .pd-card__num {
  font-size: clamp(1.7rem, 4.2vw, 2.2rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.1;
  color: var(--amber);
  margin: 0.45rem 0 0.25rem;
}

.page-products .pd-card__num span {
  font-size: 0.5em;
  margin-left: 0.3em;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}

.page-products .pd-card:nth-child(2) .pd-card__num {
  color: var(--cyan);
}

.page-products .pd-card__sub {
  font-size: 0.92rem;
  color: var(--text-mute);
  margin: 0;
}

.page-products .pd-card__scene {
  font-size: 0.95rem;
  margin: 0.75rem 0 0;
  color: var(--text-dim);
  border-top: 1px solid var(--line-soft);
  padding-top: 0.75rem;
}

.page-products .pd-card__detail {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 0.9rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease), opacity 0.3s var(--ease), margin-top 0.35s var(--ease);
}

.page-products .pd-card:hover .pd-card__detail,
.page-products .pd-card:focus-within .pd-card__detail {
  max-height: 7rem;
  opacity: 1;
  margin-top: 0.85rem;
}

.page-products .pd-card__key {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  align-self: center;
}

.page-products .pd-card__val {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.page-products .pd-hero__figure {
  margin: clamp(1.4rem, 3.6vw, 2.4rem) 0 0;
}

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

/* ============ 临时报价 ============ */
.page-products .pd-split {
  display: grid;
  gap: clamp(1.4rem, 3.4vw, 2.4rem);
}

.page-products .pd-scenes {
  list-style: none;
  margin: 1.1rem 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .pd-scenes li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.page-products .pd-scenes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.6rem;
  height: 1px;
  background: var(--cyan);
}

.page-products .pd-aside {
  border: 1px solid var(--line-soft);
  background: var(--pd-panel);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.page-products .pd-aside__title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.9rem;
}

.page-products .pd-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .pd-aside__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-aside__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-aside__k {
  font-size: 0.88rem;
  color: var(--text-mute);
}

.page-products .pd-aside__v {
  font-size: 0.9rem;
  color: var(--text);
  letter-spacing: 0.04em;
}

/* ============ 手机收藏 ============ */
.page-products .pd-collect__grid {
  display: grid;
  gap: clamp(1.4rem, 3.4vw, 2.6rem);
}

.page-products .pd-collect__figure {
  margin: 0;
}

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

.page-products .pd-devices {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: end;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0 0 0.5rem;
  border-bottom: 1px solid var(--line);
  height: 150px;
}

.page-products .pd-devices li {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.45rem;
  height: 100%;
}

.page-products .pd-devices__bar {
  display: block;
  width: 100%;
  background: linear-gradient(180deg, var(--cyan), rgba(30, 42, 107, 0.35));
  border-radius: var(--radius) var(--radius) 0 0;
  transition: background 0.3s var(--ease);
}

.page-products .pd-devices li:nth-child(1) .pd-devices__bar { height: 28%; }
.page-products .pd-devices li:nth-child(2) .pd-devices__bar { height: 42%; }
.page-products .pd-devices li:nth-child(3) .pd-devices__bar { height: 56%; }
.page-products .pd-devices li:nth-child(4) .pd-devices__bar { height: 74%; }
.page-products .pd-devices li:nth-child(5) .pd-devices__bar { height: 100%; background: linear-gradient(180deg, var(--amber), rgba(30, 42, 107, 0.35)); }

.page-products .pd-devices li:hover .pd-devices__bar {
  background: linear-gradient(180deg, var(--amber), var(--amber-d));
}

.page-products .pd-devices__n {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  text-align: center;
}

.page-products .pd-devices__cap {
  font-size: 0.86rem;
  color: var(--text-mute);
  margin: 0.85rem 0 0;
}

/* ============ 下载周期 ============ */
.page-products .pd-cycle__lead {
  max-width: 68ch;
}

.page-products .pd-track {
  list-style: none;
  counter-reset: step;
  margin: clamp(1.4rem, 3.4vw, 2.2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-products .pd-track__step {
  position: relative;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.2rem;
}

.page-products .pd-track__step:first-child {
  border-top-color: var(--cyan);
}

.page-products .pd-track__step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.page-products .pd-track__name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.page-products .pd-track__text {
  font-size: 0.92rem;
  color: var(--text-mute);
  margin: 0;
  line-height: 1.7;
}

.page-products .pd-bar {
  position: relative;
  margin-top: clamp(1.4rem, 3vw, 2rem);
  height: 10px;
  background: rgba(51, 67, 154, 0.3);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pd-bar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 68%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-products .pd-bar__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

.page-products .pd-cycle__foot {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-products .pd-cycle__note {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--amber);
  background: var(--pd-panel);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}

.page-products .pd-cycle__note p:last-child {
  margin: 0.6rem 0 0;
  font-size: 0.94rem;
}

.page-products .pd-cycle__figure {
  margin: clamp(1.4rem, 3.4vw, 2.2rem) 0 0;
}

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

/* ============ 导出反馈 ============ */
.page-products .pd-export__grid {
  display: grid;
  gap: clamp(1.4rem, 3.4vw, 2.4rem);
}

.page-products .pd-format {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.1rem 0 1.2rem;
}

.page-products .pd-export__link {
  font-size: 0.95rem;
  color: var(--text-dim);
}

.page-products .pd-export__figure {
  margin: 0;
}

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

/* ============ 会员中心 ============ */
.page-products .pd-center {
  background: linear-gradient(120deg, rgba(30, 42, 107, 0.6), rgba(10, 17, 48, 0.25));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-center__grid {
  display: grid;
  gap: clamp(1.4rem, 3.4vw, 2.4rem);
  align-items: center;
}

.page-products .pd-center__figure {
  margin: 0;
}

.page-products .pd-center__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

/* ============ 选型建议 ============ */
.page-products .pd-choose__grid {
  display: grid;
  gap: var(--pd-gap);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-products .pd-pick {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
  border: 1px solid var(--line-soft);
  background: var(--pd-panel);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .pd-pick:hover,
.page-products .pd-pick:focus-within {
  border-color: rgba(34, 211, 238, 0.7);
  transform: translateY(-2px);
}

.page-products .pd-pick h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.035em;
  color: var(--text);
  margin: 0;
}

.page-products .pd-pick p {
  font-size: 0.94rem;
  color: var(--text-mute);
  margin: 0;
}

.page-products .pd-pick a {
  margin-top: auto;
  align-self: flex-start;
}

.page-products .pd-callout {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(18, 27, 74, 0.95), rgba(30, 42, 107, 0.55));
  display: grid;
  gap: 1rem;
}

.page-products .pd-callout__text {
  margin: 0;
  max-width: 62ch;
  color: var(--text-dim);
}

.page-products .pd-callout__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-products .pd-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1.6rem 0 0;
  font-size: 0.82rem;
  color: var(--text-mute);
}

.page-products .pd-meta__dot {
  color: var(--ink-600);
}

/* ============ 折叠说明 ============ */
.page-products .pd-fold {
  border: 1px solid var(--line-soft);
  background: var(--pd-panel-deep);
  border-radius: var(--radius);
  padding: 0.95rem 1.15rem;
  margin-top: 1rem;
}

.page-products .pd-fold summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-products .pd-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--amber);
}

.page-products .pd-fold[open] summary::after {
  content: "–";
}

.page-products .pd-fold p {
  margin: 0.75rem 0 0;
  font-size: 0.94rem;
  color: var(--text-mute);
}

/* ============ 响应式 ============ */
@media (min-width: 760px) {
  .page-products .pd-compare {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pd-card:nth-child(2) {
    margin-top: 2.4rem;
  }

  .page-products .pd-card:nth-child(3) {
    margin-top: 1.1rem;
  }

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

@media (max-width: 759px) {
  .page-products .pd-card__detail {
    max-height: none;
    opacity: 1;
    margin-top: 0.85rem;
  }
}

@media (min-width: 900px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-products .pd-collect__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-products .pd-export__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-products .pd-center__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-products .pd-cycle__foot {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
    gap: clamp(1rem, 3vw, 1.8rem);
  }

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

  .page-products .pd-track__step {
    padding-right: clamp(0.8rem, 2vw, 1.6rem);
  }
}

@media (min-width: 1180px) {
  .page-products .pd-export__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-card::before,
  .page-products .pd-card__detail,
  .page-products .pd-devices__bar,
  .page-products .pd-pick {
    transition: none;
  }

  .page-products .pd-card:hover,
  .page-products .pd-card:focus-within,
  .page-products .pd-pick:hover,
  .page-products .pd-pick:focus-within {
    transform: none;
  }
}