.page-products {
  --feat-line: rgba(22, 48, 42, 0.14);
  --feat-line-soft: rgba(22, 48, 42, 0.08);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: 18px 0 4px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--mute);
}

.page-products .breadcrumb__item a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb__item a:hover,
.page-products .breadcrumb__item a:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-products .breadcrumb__sep {
  padding: 0 6px;
  color: var(--mute);
}

.page-products .breadcrumb__item[aria-current="page"] {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  position: relative;
  padding-top: 24px;
}

.page-products .feat-hero__lead {
  min-width: 0;
}

.page-products .feat-hero__lead h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 5.6vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 12px 0 18px;
}

.page-products .feat-hero__lead .prose {
  color: var(--ink);
  max-width: 32em;
}

.page-products .feat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 彩蛋：旧版按钮的按下反馈 */
.page-products .btn--primary:active {
  transform: translate(1px, 2px);
  box-shadow: 0 0 0 2px var(--seal);
}

/* ---------- 速览面板 ---------- */
.page-products .feat-dash {
  position: relative;
  min-width: 0;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.page-products .feat-dash__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-products .feat-dash__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .feat-dash__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px dashed var(--feat-line);
}

.page-products .feat-dash__item:first-child {
  border-top: 0;
}

.page-products .feat-dash__no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

.page-products .feat-dash__name {
  font-size: 16px;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .feat-dash__name:hover,
.page-products .feat-dash__name:focus-visible {
  border-bottom-color: var(--blue);
}

.page-products .feat-dash__meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  white-space: nowrap;
}

.page-products .feat-dash__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--feat-line);
}

.page-products .feat-dash__foot .status-dot {
  flex: none;
  background: var(--moss);
}

/* 彩蛋：印章红像素光标 */
.page-products .feat-cursor {
  position: absolute;
  right: 18px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--seal);
  box-shadow: 0 0 0 3px rgba(178, 58, 46, 0.16);
  pointer-events: none;
  animation: feat-blink 3.4s steps(2, end) infinite;
}

@keyframes feat-blink {
  0%, 86%, 100% { transform: translate(0, 0); opacity: 0.9; }
  90% { transform: translate(2px, -2px); opacity: 0.6; }
  94% { transform: translate(-2px, 1px); opacity: 0.9; }
}

/* ---------- 章节标题 ---------- */
.page-products .feat-head {
  max-width: 46em;
  margin-bottom: 28px;
}

.page-products .feat-head h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 8px 0 14px;
}

.page-products .section[id] {
  scroll-margin-top: calc(var(--util-h) + 16px);
}

/* ---------- 图片容器 ---------- */
.page-products .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

.page-products .feat-media {
  margin: 0;
}

.page-products .feat-media--phone {
  max-width: 320px;
}

.page-products .feat-media--phone .figure__media {
  aspect-ratio: 720 / 1280;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--paper-2), var(--paper));
}

.page-products .feat-media--wide .figure__media {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(200deg, var(--paper-2), var(--paper));
}

.page-products .feat-media--records .figure__media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--white), var(--paper));
}

/* ---------- 步骤流 ---------- */
.page-products .feat-flow__grid {
  align-items: start;
}

.page-products .feat-flow__figure,
.page-products .feat-flow__steps {
  min-width: 0;
}

.page-products .steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-products .step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 24px;
}

.page-products .step::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: 6px;
  width: 1px;
  background: var(--feat-line);
}

.page-products .step:last-child {
  padding-bottom: 0;
}

.page-products .step:last-child::after {
  display: none;
}

.page-products .step__no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}

.page-products .step--now .step__no {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--night);
  font-weight: 700;
}

.page-products .step__title {
  margin: 9px 0 6px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .step__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 折叠块 ---------- */
.page-products .feat-fold {
  margin-top: 8px;
  border-top: 1px solid var(--feat-line);
}

.page-products .feat-fold .fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 14px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--feat-line-soft);
  text-align: left;
  cursor: pointer;
}

.page-products .feat-fold__label {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .feat-fold .fold__inner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 收藏方式 ---------- */
.page-products .feat-collect__tabs {
  margin-bottom: 24px;
}

.page-products .feat-collect .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--feat-line);
}

.page-products .feat-collect .tab {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.page-products .feat-collect .tab:hover {
  border-color: var(--line-strong);
}

.page-products .feat-collect .tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--night);
  font-weight: 600;
}

.page-products .feat-collect .tabpanel[hidden] {
  display: none;
}

.page-products .feat-panel-body {
  display: grid;
  gap: 18px;
}

.page-products .feat-panel-body .prose {
  margin: 0;
  max-width: 34em;
}

.page-products .feat-spec {
  display: grid;
  gap: 12px;
}

.page-products .feat-spec__cell {
  padding: 12px 14px;
  background: var(--white);
  border: 1px solid var(--feat-line);
  border-radius: 8px;
}

.page-products .feat-spec__key {
  display: block;
  margin-bottom: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mute);
}

.page-products .feat-spec__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .feat-collect__figure {
  margin-top: 26px;
}

/* ---------- 使用记录 ---------- */
.page-products .feat-records__grid {
  align-items: start;
}

.page-products .feat-records__panel,
.page-products .feat-records__figure {
  min-width: 0;
}

.page-products .feat-records__card {
  border-radius: 8px;
}

.page-products .feat-records__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-products .feat-log .index-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--feat-line-soft);
}

.page-products .feat-log .index-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .feat-log .index-item__key {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
}

.page-products .feat-log .index-item__date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

.page-products .feat-log .index-item__val {
  grid-column: 1 / -1;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .feat-records__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--feat-line);
}

/* ---------- 检索演示 ---------- */
.page-products .feat-search-demo {
  display: grid;
  gap: 22px;
  padding: 22px 20px;
  border-radius: 8px;
  border: 1px solid var(--feat-line);
}

.page-products .feat-search-col,
.page-products .feat-search-out {
  min-width: 0;
}

.page-products .feat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.page-products .feat-tag {
  padding: 7px 13px;
  font-size: 13.5px;
  line-height: 1.2;
  color: var(--ink);
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
}

.page-products .feat-tag--on {
  background: var(--moss);
  border-style: solid;
  border-color: var(--moss);
  color: var(--ink);
  font-weight: 600;
}

.page-products .feat-search-hint {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .feat-range {
  margin-top: 16px;
}

.page-products .feat-range__track {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: var(--paper-2);
  border: 1px solid var(--feat-line);
}

.page-products .feat-range__fill {
  position: absolute;
  left: 6%;
  right: 28%;
  top: 0;
  bottom: 0;
  background: var(--orange);
  border-radius: 3px;
}

.page-products .feat-range__knob {
  position: absolute;
  top: 50%;
  left: 6%;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 3px;
}

.page-products .feat-range__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

.page-products .feat-search-out {
  padding-top: 18px;
  border-top: 1px dashed var(--feat-line);
}

.page-products .feat-sort {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.page-products .feat-sort__opt {
  padding: 8px 14px;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--feat-line);
  border-radius: 4px;
}

.page-products .feat-sort__opt--on {
  background: var(--white);
  border-color: var(--ink);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--blue);
}

.page-products .feat-search__figure {
  margin-top: 26px;
}

/* ---------- 入口状态（深色） ---------- */
.page-products .feat-status {
  position: relative;
}

.page-products .feat-status .feat-head h2 {
  color: var(--paper);
}

.page-products .feat-status .feat-head .prose {
  color: var(--on-dark);
}

.page-products .feat-status .eyebrow {
  color: var(--orange);
}

.page-products .feat-status__figure {
  margin: 0 0 24px;
}

.page-products .feat-status__figure .figure__media {
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(244, 233, 210, 0.04);
}

.page-products .feat-status__figure .figure__caption {
  color: var(--on-dark-dim);
}

.page-products .feat-status__panel {
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(244, 233, 210, 0.03);
}

.page-products .feat-status__item .fold__head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--dark-line);
  text-align: left;
  cursor: pointer;
}

.page-products .feat-status__panel > .feat-status__item:first-child .fold__head {
  border-top: 0;
}

.page-products .feat-status__item .fold__head:hover {
  background: rgba(244, 233, 210, 0.05);
}

.page-products .feat-status__name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  color: var(--paper);
}

.page-products .feat-status__time {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--on-dark-dim);
  white-space: nowrap;
}

.page-products .feat-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--moss);
  box-shadow: 0 0 0 3px rgba(110, 155, 127, 0.2);
}

.page-products .feat-dot--updating {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}

.page-products .feat-status__item .fold__inner {
  padding: 0 16px 16px;
}

.page-products .feat-status__item .fold__inner p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-products .feat-status__foot {
  margin: 22px 0 0;
}

.page-products .feat-status__link {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 166, 35, 0.45);
}

.page-products .feat-status__link:hover,
.page-products .feat-status__link:focus-visible {
  border-bottom-color: var(--orange);
}

/* ---------- 人工支持 ---------- */
.page-products .feat-human__grid {
  align-items: start;
}

.page-products .feat-human__intro,
.page-products .feat-human__cases {
  min-width: 0;
}

.page-products .feat-human__intro h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 8px 0 14px;
}

.page-products .feat-human__intro .btn {
  margin-top: 20px;
}

.page-products .feat-cases {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .feat-cases li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px dashed var(--feat-line);
}

.page-products .feat-cases li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .feat-cases__mark {
  padding-top: 4px;
  font-size: 10px;
  line-height: 1;
  color: var(--seal);
}

.page-products .feat-cases__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--ink);
}

.page-products .feat-cases p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .feat-human__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--feat-line);
  line-height: 1.8;
}

.page-products .feat-human__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 16px 0 0;
}

.page-products .feat-human__links a {
  font-size: 14.5px;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 79, 184, 0.35);
}

.page-products .feat-human__links a:hover,
.page-products .feat-human__links a:focus-visible {
  border-bottom-color: var(--blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .feat-spec {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products .feat-search-demo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 26px 24px;
  }

  .page-products .feat-search-out {
    grid-column: 1 / -1;
  }

  .page-products .feat-records__card {
    padding: 24px 22px;
  }
}

@media (min-width: 1024px) {
  .page-products .feat-hero {
    padding-top: 36px;
  }

  .page-products .feat-dash {
    padding: 26px 24px 22px;
  }

  .page-products .feat-flow__steps {
    padding-left: 12px;
  }

  .page-products .feat-search-demo {
    grid-template-columns: 6fr 6fr;
    gap: 28px;
  }
}

@media (max-width: 520px) {
  .page-products .feat-dash__item {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .page-products .feat-dash__meta {
    grid-column: 2 / -1;
    white-space: normal;
  }

  .page-products .feat-status__item .fold__head {
    flex-wrap: wrap;
  }

  .page-products .feat-status__time {
    width: 100%;
    padding-left: 22px;
  }

  .page-products .step {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .step__no {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .page-products .step::after {
    left: 16px;
    top: 40px;
  }
}

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

  .page-products .btn--primary:active {
    transform: none;
  }

  .page-products .feat-collect .tab {
    transition: none;
  }
}