.page-disclaimer {
  --agreement-line: rgba(216, 166, 60, .22);
  --agreement-line-soft: rgba(216, 166, 60, .10);
  padding-block: clamp(22px, 3.4vw, 40px) clamp(52px, 7vw, 96px);
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-disclaimer .agreement-head {
  display: grid;
  gap: 16px;
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--frame);
}

.page-disclaimer .agreement-head h1 {
  margin: 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 4.6vw, 46px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--warm-white);
}

.page-disclaimer .agreement-head__lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .agreement-head__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

/* 分栏骨架 */
.page-disclaimer .doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 40px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-disclaimer .doc__side {
  min-width: 0;
}

.page-disclaimer .doc__body {
  min-width: 0;
}

/* 版本号 */
.page-disclaimer .doc__version {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--agreement-line);
  background: var(--ink-2);
}

.page-disclaimer .doc__version-num {
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-disclaimer .doc__version-lab {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dim);
}

/* 目录 */
.page-disclaimer .doc__toc {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-disclaimer .doc__toc li {
  border-top: 1px solid var(--hair);
}

.page-disclaimer .doc__toc li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-disclaimer .doc__link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 4px 11px 9px;
  border-left: 1px solid transparent;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), padding-left .18s var(--ease);
}

.page-disclaimer .doc__toc-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-disclaimer .doc__link:hover,
.page-disclaimer .doc__link:focus-visible {
  color: var(--warm-white);
  border-left-color: var(--gold);
  padding-left: 13px;
}

.page-disclaimer .doc__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-disclaimer .copy-btn {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 16px;
}

/* 条款正文 */
.page-disclaimer .clause {
  padding-block: clamp(24px, 3.2vw, 38px);
  border-top: 1px solid var(--agreement-line-soft);
}

.page-disclaimer .clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .clause:last-child {
  padding-bottom: 0;
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--cinnabar);
}

.page-disclaimer .clause__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18.5px, 2.1vw, 23px);
  line-height: 1.38;
  color: var(--warm-white);
}

.page-disclaimer .clause:target .clause__title {
  color: var(--gold-soft);
}

.page-disclaimer .clause__text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-disclaimer .clause__text p {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .clause__text strong {
  color: var(--warm-white);
  font-weight: 600;
}

.page-disclaimer .clause__text a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--agreement-line);
}

.page-disclaimer .clause__text a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 编号列表 */
.page-disclaimer .clause__list {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.page-disclaimer .clause__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .clause__list .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
  color: var(--gold);
  padding-top: 4px;
}

.page-disclaimer .clause__list--contact li {
  grid-template-columns: 44px minmax(0, 1fr);
  word-break: break-word;
}

/* 折叠补充 */
.page-disclaimer .clause__more {
  margin-top: 4px;
  padding: 12px 16px;
  border: 1px solid var(--agreement-line-soft);
  background: var(--ink-2);
}

.page-disclaimer .clause__more > summary {
  position: relative;
  padding-right: 22px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gold-soft);
}

.page-disclaimer .clause__more > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause__more > summary::after {
  content: "+";
  position: absolute;
  top: -2px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
}

.page-disclaimer .clause__more[open] > summary::after {
  content: "−";
}

.page-disclaimer .clause__more > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-disclaimer .clause__more p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 页尾印章 */
.page-disclaimer .agreement-seal {
  margin: clamp(36px, 5vw, 64px) 0 0;
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--frame);
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-disclaimer .agreement-seal img {
  display: block;
  width: min(260px, 58vw);
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.page-disclaimer .agreement-seal figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dim);
}

/* 桌面：左目录固定，右正文滚动 */
@media (min-width: 900px) {
  .page-disclaimer .doc {
    grid-template-columns: minmax(190px, 30%) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
  }

  .page-disclaimer .doc__side {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    align-self: start;
  }

  .page-disclaimer .clause__list li {
    grid-template-columns: 72px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc__link {
    transition: none;
  }
}
<<<END>>>