.page-disclaimer {
  --tos-side-w: 236px;
  --tos-paper-line: rgba(26, 20, 16, .16);
  padding-bottom: 72px;
}

/* 面包屑与首屏 */
.page-disclaimer .crumbs {
  margin-top: 22px;
}

.page-disclaimer .tos-hero {
  display: grid;
  gap: 26px;
  margin-top: 22px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .tos-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.1rem, 1.35rem + 3.6vw, 3.55rem);
  line-height: 1.04;
  letter-spacing: .07em;
  color: var(--ice);
}

.page-disclaimer .tos-hero__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(234, 244, 255, .78);
}

.page-disclaimer .tos-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-disclaimer .tos-hero__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background:
    radial-gradient(130% 130% at 12% 0%, rgba(0, 229, 195, .18), transparent 56%),
    var(--ink-900);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .tos-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-disclaimer .tos-hero__figure .media__caption {
  padding: 10px 14px;
  background: var(--ink-900);
  color: var(--mist);
  font-size: .78rem;
  line-height: 1.6;
  border-top: 1px solid var(--line-soft);
}

/* 双栏阅读结构 */
.page-disclaimer .tos-layout {
  display: grid;
  gap: 30px;
  margin-top: 40px;
}

.page-disclaimer .tos-side,
.page-disclaimer .tos-doc {
  min-width: 0;
}

.page-disclaimer .tos-side__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-disclaimer .tos-toc {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .tos-toc__item {
  flex: 0 0 auto;
}

.page-disclaimer .tos-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: rgba(234, 244, 255, .74);
  font-size: .86rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .tos-toc__link:hover,
.page-disclaimer .tos-toc__link:focus-visible {
  color: var(--mint);
  border-color: var(--line-strong);
  background: rgba(0, 229, 195, .08);
}

.page-disclaimer .tos-toc__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mint);
}

.page-disclaimer .tos-side__help {
  margin-top: 26px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(0, 229, 195, .08), rgba(7, 27, 48, 0) 72%);
}

.page-disclaimer .tos-side__help-title {
  margin: 0 0 8px;
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-disclaimer .tos-side__help-text {
  margin: 0 0 14px;
  font-size: .84rem;
  line-height: 1.75;
  color: rgba(234, 244, 255, .66);
}

/* 奶油纸正文面板 */
.page-disclaimer .tos-doc {
  padding: 26px 20px 30px;
  border: 1px solid rgba(26, 20, 16, .1);
  border-radius: var(--radius-l);
  background: var(--cream);
  color: var(--brown);
  box-shadow: var(--shadow-2);
}

.page-disclaimer .tos-sec {
  position: relative;
  padding: 26px 0;
  border-top: 1px solid var(--tos-paper-line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .tos-sec:first-of-type {
  padding-top: 6px;
  border-top: 0;
}

.page-disclaimer .tos-sec::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  border-radius: 2px;
  background: var(--coral);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transform: scaleY(.6);
}

.page-disclaimer .tos-sec:first-of-type::before {
  top: 8px;
}

.page-disclaimer .tos-sec.is-active::before,
.page-disclaimer .tos-sec:target::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-disclaimer .tos-sec:target {
  border-radius: var(--radius-s);
  background: rgba(0, 229, 195, .05);
}

.page-disclaimer .tos-sec__num {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--ink-800);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  line-height: 1.6;
}

.page-disclaimer .tos-sec__title {
  margin: 0 0 12px;
  font-size: clamp(1.16rem, 1.05rem + .55vw, 1.42rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .04em;
  color: var(--brown);
}

.page-disclaimer .tos-sec p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(26, 20, 16, .84);
}

.page-disclaimer .tos-sec p:last-child {
  margin-bottom: 0;
}

/* 行为规范列表 */
.page-disclaimer .tos-list {
  display: grid;
  gap: 10px;
  margin: 6px 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .tos-list li {
  position: relative;
  padding-left: 22px;
  font-size: .97rem;
  line-height: 1.75;
  color: rgba(26, 20, 16, .84);
}

.page-disclaimer .tos-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .64em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--coral);
  transform: rotate(45deg);
}

/* 释义折叠与提示块 */
.page-disclaimer .tos-note {
  margin: 14px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--coral);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(255, 107, 74, .08);
}

.page-disclaimer .tos-note__summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--loss);
}

.page-disclaimer .tos-note__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .tos-note__summary::before {
  content: "＋ ";
  color: var(--coral);
}

.page-disclaimer .tos-note[open] .tos-note__summary::before {
  content: "－ ";
}

.page-disclaimer .tos-note__body {
  margin: 8px 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: rgba(26, 20, 16, .76);
}

.page-disclaimer .tos-callout {
  margin: 16px 0 18px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 107, 74, .34);
  border-radius: var(--radius-m);
  background: rgba(255, 107, 74, .1);
}

.page-disclaimer .tos-callout p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(26, 20, 16, .9);
}

/* 联系方式条 */
.page-disclaimer .tos-contact {
  display: grid;
  gap: 1px;
  margin: 16px 0 10px;
  padding: 0;
  list-style: none;
  overflow: hidden;
  border: 1px solid var(--tos-paper-line);
  border-radius: var(--radius-m);
  background: var(--tos-paper-line);
}

.page-disclaimer .tos-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 14px;
  background: var(--cream);
}

.page-disclaimer .tos-contact__label {
  flex: 0 0 auto;
  min-width: 70px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: rgba(26, 20, 16, .55);
}

.page-disclaimer .tos-contact__value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--ink-800);
  overflow-wrap: anywhere;
}

.page-disclaimer .tos-contact__note {
  margin: 0 0 6px;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(26, 20, 16, .6);
}

/* 相关文档 */
.page-disclaimer .tos-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--tos-paper-line);
}

.page-disclaimer .tos-related__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid rgba(26, 20, 16, .22);
  border-radius: var(--radius-pill);
  color: var(--ink-800);
  font-size: .84rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .tos-related__link:hover,
.page-disclaimer .tos-related__link:focus-visible {
  border-color: var(--coral);
  background: rgba(255, 107, 74, .1);
  color: var(--loss);
}

.page-disclaimer .copy-btn {
  flex: 0 0 auto;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-disclaimer .tos-hero {
    gap: 30px;
  }

  .page-disclaimer .tos-doc {
    padding: 38px 40px 44px;
  }

  .page-disclaimer .tos-sec {
    padding: 30px 0;
  }

  .page-disclaimer .tos-sec::before {
    left: -18px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .tos-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: end;
    gap: 40px;
  }

  .page-disclaimer .tos-layout {
    grid-template-columns: var(--tos-side-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    margin-top: 48px;
  }

  .page-disclaimer .tos-side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .tos-toc {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .tos-toc__item {
    flex: 0 0 auto;
  }

  .page-disclaimer .tos-toc__link {
    display: flex;
    width: 100%;
    padding: 7px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    font-size: .88rem;
  }

  .page-disclaimer .tos-toc__link:hover,
  .page-disclaimer .tos-toc__link:focus-visible {
    border-left-color: var(--mint);
    background: rgba(0, 229, 195, .07);
  }

  .page-disclaimer .tos-doc {
    padding: 46px 52px 52px;
  }

  .page-disclaimer .tos-sec::before {
    left: -22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .tos-toc__link,
  .page-disclaimer .tos-related__link,
  .page-disclaimer .tos-sec::before {
    transition: none;
  }
}
<<<END>>>