.page-products {
  position: relative;
}

.page-products .exp-container {
  padding-bottom: clamp(40px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-products .exp-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .exp-hero::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: min(560px, 70vw);
  height: min(560px, 70vw);
  background:
    radial-gradient(circle at 30% 30%, rgba(47, 227, 208, .22), transparent 62%),
    radial-gradient(circle at 72% 68%, rgba(255, 122, 89, .16), transparent 60%);
  filter: blur(6px);
  pointer-events: none;
}

.page-products .exp-hero__title {
  position: relative;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 14px 0 18px;
  max-width: 940px;
}

.page-products .exp-hero__lead {
  position: relative;
  max-width: 760px;
  color: var(--mist);
}

.page-products .exp-hero__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .exp-hero__facts {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .exp-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: linear-gradient(160deg, var(--ink-800), var(--ink-850));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-products .exp-fact__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-products .exp-fact__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 主体与侧栏 ---------- */
.page-products .exp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
  margin-top: clamp(8px, 2vw, 20px);
}

@media (min-width: 1024px) {
  .page-products .exp-body {
    grid-template-columns: minmax(0, 1fr) 190px;
  }
}

.page-products .exp-main {
  min-width: 0;
}

.page-products .exp-rail {
  display: none;
}

@media (min-width: 1024px) {
  .page-products .exp-rail {
    display: block;
    position: sticky;
    top: 132px;
    padding: 20px 0 20px 18px;
    border-left: 1px solid var(--line);
  }
}

.page-products .exp-rail__title {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--coral);
  margin: 0 0 14px;
}

.page-products .exp-rail__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .exp-rail__link {
  display: block;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .exp-rail__link:hover,
.page-products .exp-rail__link:focus-visible {
  color: var(--cyan-soft);
  background: rgba(47, 227, 208, .08);
}

.page-products .exp-rail__link[aria-current="true"],
.page-products .exp-rail__link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(47, 227, 208, .1);
}

.page-products .exp-rail__foot {
  margin: 22px 0 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--line);
}

/* ---------- 分区 ---------- */
.page-products .exp-section {
  padding: clamp(40px, 6vw, 76px) 0;
  scroll-margin-top: 128px;
}

.page-products .exp-section + .exp-section {
  border-top: 1px solid var(--line);
}

.page-products .exp-lead {
  max-width: 720px;
  color: var(--mist);
}

.page-products .exp-note {
  margin-top: 26px;
  padding: 18px 20px;
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--r-md);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .exp-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, .4);
}

.page-products .exp-note a:hover,
.page-products .exp-note a:focus-visible {
  color: var(--cyan-soft);
}

/* ---------- 总览 ---------- */
.page-products .exp-intro {
  margin: 0 0 26px;
  padding: 22px 24px;
  background: linear-gradient(140deg, rgba(18, 57, 92, .9), rgba(12, 37, 64, .9));
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
}

.page-products .exp-intro p {
  margin: 0;
  max-width: 780px;
  color: var(--paper);
  font-size: 16px;
  line-height: 1.85;
}

.page-products .branch-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .page-products .branch-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .branch-strip__item {
  position: relative;
  padding: 22px 20px 22px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .branch-strip__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.page-products .branch-strip__item--cyan::after { background: var(--cyan); }
.page-products .branch-strip__item--coral::after { background: var(--coral); }
.page-products .branch-strip__item--soft::after { background: var(--cyan-soft); }

.page-products .branch-strip__num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-products .branch-strip__name {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .branch-strip__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 媒体 ---------- */
.page-products .exp-media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-850);
}

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

.page-products .exp-media .media__caption {
  display: block;
  padding: 12px 18px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-products .exp-media--wide { margin-top: 4px; }

/* ---------- 分栏标签页 ---------- */
.page-products .branch-tabs {
  margin-top: 8px;
}

.page-products .branch-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  margin-bottom: 26px;
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-radius: var(--pill);
}

.page-products .branch-tab {
  flex: 1 1 120px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .01em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .branch-tab__num {
  font-size: 11px;
  opacity: .75;
}

.page-products .branch-tab:hover {
  color: var(--cyan-soft);
}

.page-products .branch-tab:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-products .branch-tab[aria-selected="true"] {
  background: var(--cyan);
  color: var(--ink-900);
  box-shadow: var(--glow-cyan);
}

.page-products .branch-tab[aria-selected="true"] .branch-tab__num {
  opacity: 1;
}

.page-products .branch-panel[aria-hidden="true"] {
  display: none;
}

.page-products .branch-panel {
  animation: exp-panel-in 240ms var(--ease) both;
}

@keyframes exp-panel-in {
  from { opacity: 0; transform: translateX(18px); }
  to   { opacity: 1; transform: translateX(0); }
}

.page-products .branch-panel__intro {
  margin: 0 0 22px;
  max-width: 700px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .branch-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 860px) {
  .page-products .branch-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .branch-cards > .branch-card:nth-child(odd):last-child {
    grid-column: 1 / -1;
  }
}

.page-products .branch-card {
  display: flex;
  flex-direction: column;
  padding: 22px 22px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .branch-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 227, 208, .5);
  box-shadow: var(--glow-cyan);
}

.page-products .branch-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .branch-card__num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .branch-card__icon {
  color: var(--cyan);
  flex: none;
}

.page-products .branch-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .branch-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .branch-card__more {
  margin-top: auto;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.page-products .branch-card__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan-soft);
}

.page-products .branch-card__summary::-webkit-details-marker { display: none; }

.page-products .branch-card__summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  text-align: center;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-products .branch-card__more[open] .branch-card__summary::before {
  content: "−";
}

.page-products .branch-card__steps {
  padding-top: 10px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .branch-card__steps p {
  margin: 0;
}

/* ---------- 电脑上开始 ---------- */
.page-products .pc-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
  margin-top: 26px;
}

@media (min-width: 960px) {
  .page-products .pc-steps {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
  }
}

.page-products .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .step-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-products .step-item__num {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--coral);
  padding-top: 3px;
}

.page-products .step-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .step-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 排序与导出 ---------- */
.page-products .sort-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

@media (min-width: 780px) {
  .page-products .sort-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .sort-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px 20px;
  background: linear-gradient(165deg, var(--ink-800), var(--ink-850));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .sort-card:hover {
  transform: translateY(-4px);
  border-color: rgba(127, 243, 230, .5);
}

.page-products .sort-card__tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--pill);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-900);
  background: var(--cyan-soft);
}

.page-products .sort-card__title {
  margin: 14px 0 10px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .sort-card p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .sort-visual {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
}

.page-products .sort-visual span {
  display: block;
  height: 7px;
  border-radius: var(--pill);
  background: var(--line);
}

.page-products .sort-visual span:nth-child(2) { width: 82%; }
.page-products .sort-visual span:nth-child(3) { width: 64%; }
.page-products .sort-visual span:nth-child(4) { width: 46%; }

.page-products .sort-visual--time span:first-child { background: var(--cyan); }
.page-products .sort-visual--type span:nth-child(2) { background: var(--coral); }
.page-products .sort-visual--state span:nth-child(3) { background: var(--cyan-soft); }

.page-products .export-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 26px;
  padding: 20px 22px;
  background: linear-gradient(100deg, rgba(255, 122, 89, .1), rgba(18, 57, 92, .6));
  border: 1px solid rgba(255, 122, 89, .3);
  border-radius: var(--r-lg);
}

.page-products .export-note__dot {
  flex: none;
  margin-top: 7px;
}

.page-products .export-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .export-note strong {
  color: var(--paper);
}

/* ---------- 旧版去哪了 ---------- */
.page-products .legacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
  align-items: stretch;
}

@media (min-width: 900px) {
  .page-products .legacy-grid {
    grid-template-columns: minmax(0, 1fr) 60px minmax(0, 1fr);
    gap: 8px;
  }
}

.page-products .legacy-col {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-products .legacy-col--old {
  background: var(--ink-850);
}

.page-products .legacy-col--new {
  background: var(--ink-800);
  border-color: rgba(47, 227, 208, .35);
}

.page-products .legacy-col__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .legacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .legacy-list__item {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.65;
}

.page-products .legacy-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.page-products .legacy-list__item.is-merged {
  color: var(--line);
  text-decoration: line-through;
  text-decoration-color: rgba(157, 182, 204, .4);
}

.page-products .legacy-list__item.is-merged::before {
  background: var(--line);
}

.page-products .legacy-list__item.is-new {
  color: var(--paper);
}

.page-products .legacy-list__item.is-new::before {
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(47, 227, 208, .6);
}

.page-products .legacy-bridge {
  display: none;
  color: var(--line);
  align-items: center;
  justify-content: center;
}

@media (min-width: 900px) {
  .page-products .legacy-bridge {
    display: flex;
  }
}

.page-products .legacy-bridge svg {
  width: 100%;
  height: auto;
}

.page-products .legacy-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

@media (min-width: 780px) {
  .page-products .legacy-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .legacy-note {
  padding: 20px;
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-products .legacy-note h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  color: var(--coral);
}

.page-products .legacy-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-products .branch-tabs__list {
    flex-direction: column;
    border-radius: var(--r-lg);
  }

  .page-products .branch-tab {
    justify-content: flex-start;
    border-radius: var(--r-md);
  }

  .page-products .exp-hero__facts li {
    padding: 14px 16px;
  }

  .page-products .exp-fact__num {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .branch-panel { animation: none; }
  .page-products .branch-card,
  .page-products .sort-card { transition: none; }
}
</main>