.page-disclaimer {
  --pd-anchor-top: 62px;
  --pd-num-w: 30px;
}

.page-disclaimer__anchor {
  display: block;
  position: relative;
  top: -12px;
  height: 0;
}

.page-disclaimer__crumbs {
  padding-block: 18px 4px;
  font-size: 13px;
}

.page-disclaimer .breadcrumbs__item {
  color: var(--grey);
  text-decoration: none;
}

.page-disclaimer .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin: 0 8px;
  color: var(--wash-3);
}

.page-disclaimer a.breadcrumbs__item:hover {
  color: var(--orange);
}

/* 页头 */
.page-disclaimer__intro {
  padding-block: clamp(14px, 3vw, 30px) clamp(22px, 4vw, 40px);
}

.page-disclaimer__intro-inner {
  max-width: 800px;
}

.page-disclaimer h1 {
  margin: 12px 0 16px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 50px);
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-disclaimer__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--grey);
}

.page-disclaimer__meta {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--wash-1);
}

/* 主图 */
.page-disclaimer__hero-media {
  margin: 0 0 clamp(30px, 5vw, 56px);
}

.page-disclaimer__hero-media .media__frame {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--wash-4);
}

.page-disclaimer__hero-media .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
}

/* 章节通用标题 */
.page-disclaimer h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-disclaimer__section-lede {
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: var(--measure);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* 三张使用场景卡 */
.page-disclaimer__scenarios {
  padding-block: clamp(8px, 2vw, 16px) clamp(28px, 5vw, 52px);
}

.page-disclaimer__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-disclaimer__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-disclaimer__card:hover,
.page-disclaimer__card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.page-disclaimer__card--light {
  background: var(--card);
}

.page-disclaimer__card--mid {
  background: rgba(76, 110, 120, 0.12);
}

.page-disclaimer__card--deep {
  background: var(--ink);
  border-color: transparent;
}

.page-disclaimer__card-tag {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--wash-1);
}

.page-disclaimer__card .card__title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-disclaimer__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-disclaimer__card-go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-disclaimer__card--deep .card__title {
  color: var(--paper);
}

.page-disclaimer__card--deep p {
  color: rgba(246, 243, 236, 0.82);
}

.page-disclaimer__card--deep .page-disclaimer__card-tag {
  color: var(--green);
}

/* 吸顶条款目录 */
.page-disclaimer__toc {
  position: sticky;
  top: var(--pd-anchor-top);
  z-index: 4;
  background: rgba(246, 243, 236, 0.94);
  backdrop-filter: blur(8px);
  border-block: 1px solid var(--line);
}

.page-disclaimer__toc-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer__toc-inner::-webkit-scrollbar {
  display: none;
}

.page-disclaimer__toc-label {
  flex: none;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--wash-2);
}

.page-disclaimer__toc-list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer__toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--grey);
  text-decoration: none;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-disclaimer__toc-list a:hover,
.page-disclaimer__toc-list a:focus-visible {
  background: rgba(76, 110, 120, 0.16);
  color: var(--ink);
}

.page-disclaimer__toc-num {
  font-family: var(--mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  color: var(--wash-2);
}

/* 条款折叠区 */
.page-disclaimer__clauses {
  padding-block: clamp(28px, 5vw, 56px) clamp(16px, 3vw, 28px);
}

.page-disclaimer__clause {
  margin-bottom: 14px;
  padding-left: clamp(14px, 2.2vw, 22px);
  border-left: 2px solid var(--line);
  scroll-margin-top: 110px;
  transition: border-color 220ms var(--ease);
}

.page-disclaimer__clause[open] {
  border-left-color: var(--green);
}

.page-disclaimer__clause .panel__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer__clause .panel__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer__clause .panel__summary::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--wash-2);
  transition: transform 220ms var(--ease), color 220ms var(--ease);
}

.page-disclaimer__clause[open] .panel__summary::after {
  content: "－";
  color: var(--dai);
}

.page-disclaimer__num {
  flex: none;
  min-width: var(--pd-num-w);
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--wash-2);
}

.page-disclaimer__clause[open] .page-disclaimer__num {
  color: var(--dai);
}

.page-disclaimer__ctitle {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(16.5px, 2.4vw, 20px);
  line-height: 1.45;
  color: var(--ink);
}

.page-disclaimer__clause .panel__body {
  padding: 2px 0 16px;
}

/* 条款 01 内的三种用法 */
.page-disclaimer__case {
  scroll-margin-top: 120px;
}

.page-disclaimer__case + .page-disclaimer__case {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-disclaimer__case h3 {
  margin: 0 0 6px;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--dai);
}

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

/* 有序条款列表 */
.page-disclaimer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pd;
}

.page-disclaimer__list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--grey);
}

.page-disclaimer__list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer__list li::before {
  counter-increment: pd;
  content: counter(pd) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  line-height: 2.2;
  color: var(--wash-2);
}

.page-disclaimer__list a {
  color: var(--dai);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(34, 81, 94, 0.35);
}

.page-disclaimer__list a:hover {
  color: var(--orange);
  text-decoration-color: currentColor;
}

/* 收尾 */
.page-disclaimer__outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: clamp(22px, 4vw, 38px);
}

.page-disclaimer__outro-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-disclaimer__outro-text a {
  color: var(--dai);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer__outro-text a:hover {
  color: var(--orange);
}

.page-disclaimer__totop {
  flex: none;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--dai);
  text-decoration: none;
  transition: background-color 220ms var(--ease), color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-disclaimer__totop:hover,
.page-disclaimer__totop:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-disclaimer__ridge {
  height: clamp(78px, 13vw, 148px);
  background:
    radial-gradient(120% 100% at 18% 104%, rgba(76, 110, 120, 0.20) 0 42%, transparent 43%),
    radial-gradient(115% 115% at 58% 106%, rgba(124, 154, 163, 0.18) 0 46%, transparent 47%),
    radial-gradient(105% 100% at 88% 104%, rgba(169, 184, 188, 0.22) 0 38%, transparent 39%),
    linear-gradient(to bottom, transparent, rgba(216, 222, 224, 0.42));
}

@media (min-width: 760px) {
  .page-disclaimer__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer {
    --pd-anchor-top: 0px;
  }

  .page-disclaimer__intro-inner {
    max-width: 820px;
  }

  .page-disclaimer__clauses {
    padding-block: clamp(36px, 4vw, 64px) clamp(20px, 3vw, 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer__card,
  .page-disclaimer__clause .panel__summary::after,
  .page-disclaimer__totop,
  .page-disclaimer__toc-list a {
    transition: none;
  }

  .page-disclaimer__card:hover,
  .page-disclaimer__card:focus-visible {
    transform: none;
  }
}