.page-disclaimer {
  --pd-edge: 2px;
  --pd-rail: 172px;
  --pd-gap: 28px;
  background: var(--ink);
  color: var(--white);
}

.page-disclaimer .wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 页首横幅 ---------- */
.page-disclaimer__banner {
  position: relative;
  padding: 96px 0 56px;
  background:
    linear-gradient(180deg, rgba(16, 28, 43, .92) 0%, rgba(11, 31, 26, .96) 100%),
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(47, 230, 200, .07) 22px 23px);
  border-bottom: var(--pd-edge) solid var(--line);
  overflow: hidden;
}

.page-disclaimer__banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 6px;
  background: repeating-linear-gradient(90deg,
    var(--cyan) 0 2px,
    transparent 2px 14px);
  opacity: .5;
}

.page-disclaimer__banner .eyebrow {
  margin: 18px 0 12px;
  color: var(--cyan);
}

.page-disclaimer__banner h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  max-width: 20ch;
}

.page-disclaimer__banner-grid {
  display: grid;
  gap: 24px;
}

.page-disclaimer__banner-copy p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--white);
  max-width: 34ch;
  margin: 0 0 14px;
}

.page-disclaimer__banner-media {
  border: var(--pd-edge) solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-disclaimer__banner-media .media-cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  padding: 10px 12px;
  margin: 0;
  border-top: var(--pd-edge) solid var(--line);
}

/* ---------- 主体 ---------- */
.page-disclaimer__body {
  padding: 8px 0 64px;
  background: var(--ink);
}

.page-disclaimer__body .ticks {
  margin: 28px 0 22px;
}

.page-disclaimer__layout {
  display: grid;
  gap: var(--pd-gap);
}

/* ---------- 条款索引 ---------- */
.page-disclaimer__index {
  position: relative;
  border: var(--pd-edge) solid var(--line);
  background: var(--panel);
  padding: 18px 16px 20px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .4);
}

.page-disclaimer__index .note-rotated {
  position: absolute;
  top: 14px;
  right: -10px;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
  transform: translateX(100%);
  display: none;
}

.page-disclaimer__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-disclaimer__index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 11px 8px;
  border-left: 3px solid var(--line);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color .14s ease, background-color .14s ease, color .14s ease;
}

.page-disclaimer__index-list a:hover,
.page-disclaimer__index-list a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(47, 230, 200, .08);
  color: var(--cyan-soft);
}

.page-disclaimer__index-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: .04em;
  flex: 0 0 auto;
}

.page-disclaimer__index-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 2px dashed var(--line);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 条款 ---------- */
.page-disclaimer__clauses {
  display: grid;
  gap: 20px;
}

.page-disclaimer__clause {
  border: var(--pd-edge) solid var(--line);
  background: var(--panel);
  padding: 22px 18px 24px;
}

.page-disclaimer__clause h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: var(--pd-edge) solid var(--line);
}

.page-disclaimer__clause-body p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  margin: 0 0 13px;
  max-width: 34ch;
  color: var(--white);
}

.page-disclaimer__clause-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__clause-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer__clause-body a:hover,
.page-disclaimer__clause-body a:focus-visible {
  color: var(--cyan-soft);
}

.page-disclaimer__clause-body a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer__clause-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-disclaimer__clause-meta span {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 2px solid var(--line);
  background: rgba(47, 230, 200, .07);
  padding: 5px 10px;
}

/* ---------- 引用示例 ---------- */
.page-disclaimer__example {
  margin-top: 20px;
  border: var(--pd-edge) solid var(--line);
  background: var(--indigo);
}

.page-disclaimer__example-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: var(--pd-edge) solid var(--line);
}

.page-disclaimer__example-tabs .tabs-tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 12px 14px;
  border: 0;
  border-right: var(--pd-edge) solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: .03em;
  cursor: pointer;
  transition: color .14s ease, background-color .14s ease;
}

.page-disclaimer__example-tabs .tabs-tab:last-child {
  border-right: 0;
}

.page-disclaimer__example-tabs .tabs-tab[aria-selected="true"] {
  background: rgba(47, 230, 200, .12);
  color: var(--cyan);
  box-shadow: inset 0 -3px 0 var(--cyan);
}

.page-disclaimer__example-tabs .tabs-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-disclaimer__example-panel {
  padding: 18px 16px 20px;
}

.page-disclaimer__example-panel .eyebrow {
  color: var(--muted);
  margin: 0 0 10px;
}

.page-disclaimer__code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--cyan-soft);
  background: rgba(11, 31, 26, .75);
  border-left: 3px solid var(--cyan);
  padding: 12px 14px;
  margin: 0 0 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.page-disclaimer__example-panel p:last-child {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ---------- 引用场景表 ---------- */
.page-disclaimer__table {
  width: 100%;
  margin-top: 18px;
  border-collapse: collapse;
  border: var(--pd-edge) solid var(--line);
  font-family: var(--font-body);
  font-size: 14px;
}

.page-disclaimer__table caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  padding: 0 0 10px;
}

.page-disclaimer__table th,
.page-disclaimer__table td {
  border: var(--pd-edge) solid var(--line);
  padding: 11px 12px;
  text-align: left;
  line-height: 1.6;
  vertical-align: top;
}

.page-disclaimer__table th {
  background: rgba(47, 230, 200, .1);
  color: var(--cyan);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-disclaimer__table td {
  color: var(--white);
}

.page-disclaimer__table tbody tr:nth-child(even) td {
  background: rgba(244, 247, 245, .03);
}

/* ---------- 反馈清单 ---------- */
.page-disclaimer__checklist {
  list-style: none;
  margin: 16px 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer__checklist li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 11px 12px;
  border-left: 3px solid var(--line);
  background: rgba(16, 28, 43, .55);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

/* ---------- 版本折叠 ---------- */
.page-disclaimer__version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer__version-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 12px;
  border-bottom: 2px solid var(--line);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--white);
}

.page-disclaimer__version-list li:last-child {
  border-bottom: 0;
}

.page-disclaimer__version-list .tnum {
  color: var(--amber);
  flex: 0 0 auto;
}

.page-disclaimer__clause .fold {
  margin-top: 18px;
  border: var(--pd-edge) solid var(--line);
  background: rgba(16, 28, 43, .6);
}

.page-disclaimer__clause .fold-head {
  border-bottom: 0;
}

.page-disclaimer__clause .fold-sign {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 14px 16px;
  background: transparent;
  border: 0;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
}

.page-disclaimer__clause .fold-sign:hover,
.page-disclaimer__clause .fold-sign:focus-visible {
  background: rgba(47, 230, 200, .08);
  color: var(--cyan-soft);
}

.page-disclaimer__clause .fold-sign:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-disclaimer__clause .fold[data-open="true"] .fold-head {
  border-bottom: var(--pd-edge) solid var(--line);
}

/* ---------- 页尾快捷链接 ---------- */
.page-disclaimer__quick {
  display: grid;
  gap: 2px;
  border-top: var(--pd-edge) solid var(--line);
  border-bottom: var(--pd-edge) solid var(--line);
}

.page-disclaimer__quick-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num desc";
  gap: 2px 14px;
  padding: 16px 12px;
  border-bottom: 2px solid var(--line);
  text-decoration: none;
  color: var(--white);
  transition: background-color .14s ease, border-color .14s ease;
}

.page-disclaimer__quick-item:last-child {
  border-bottom: 0;
}

.page-disclaimer__quick-item:hover,
.page-disclaimer__quick-item:focus-visible {
  background: rgba(47, 230, 200, .08);
}

.page-disclaimer__quick-item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-disclaimer__quick-num {
  grid-area: num;
  font-size: 13px;
  color: var(--red);
  padding-top: 3px;
}

.page-disclaimer__quick-title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
}

.page-disclaimer__quick-desc {
  grid-area: desc;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-disclaimer__quick-item:hover .page-disclaimer__quick-title,
.page-disclaimer__quick-item:focus-visible .page-disclaimer__quick-title {
  color: var(--cyan-soft);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .wrap {
    padding: 0 32px;
  }

  .page-disclaimer__banner {
    padding: 112px 0 64px;
  }

  .page-disclaimer__banner h1 {
    font-size: 36px;
    max-width: 24ch;
  }

  .page-disclaimer__banner-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 32px;
  }

  .page-disclaimer__banner-copy p:last-child {
    margin-bottom: 0;
  }

  .page-disclaimer__clause {
    padding: 26px 24px 28px;
  }

  .page-disclaimer__table {
    font-size: 15px;
  }

  .page-disclaimer__quick {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-disclaimer__quick-item {
    border-right: 2px solid var(--line);
  }

  .page-disclaimer__quick-item:nth-child(even) {
    border-right: 0;
  }

  .page-disclaimer__quick-item:last-child {
    border-right: 2px solid var(--line);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1080px) {
  .page-disclaimer__banner {
    padding: 132px 0 76px;
  }

  .page-disclaimer__banner h1 {
    font-size: 40px;
  }

  .page-disclaimer__layout {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-disclaimer__index {
    position: sticky;
    top: calc(var(--header-h) + 92px);
    padding: 20px 18px 22px;
  }

  .page-disclaimer__index .note-rotated {
    display: block;
  }

  .page-disclaimer__clauses {
    gap: 24px;
  }

  .page-disclaimer__clause {
    padding: 30px 34px 34px;
    scroll-margin-top: calc(var(--header-h) + 96px);
  }

  .page-disclaimer__clause h2 {
    font-size: 24px;
  }

  .page-disclaimer__clause-body p {
    font-size: 17px;
    max-width: 32ch;
  }

  .page-disclaimer__example {
    margin-top: 24px;
  }

  .page-disclaimer__example-tabs .tabs-tab {
    flex: 0 1 auto;
    padding: 13px 22px;
  }

  .page-disclaimer__example-panel {
    padding: 22px 24px 24px;
  }

  .page-disclaimer__quick {
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
  }

  .page-disclaimer__quick-item {
    grid-template-columns: 1fr;
    grid-template-areas:
      "num"
      "title"
      "desc";
    gap: 8px;
    padding: 20px 16px 22px;
    border-right: 2px solid var(--line);
    border-bottom: 0;
  }

  .page-disclaimer__quick-item:last-child {
    border-right: 0;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer__index-list a,
  .page-disclaimer__example-tabs .tabs-tab,
  .page-disclaimer__quick-item {
    transition: none;
  }
}