.page-disclaimer {
  --dc-rule: rgba(14, 122, 107, .16);
  --dc-ink-soft: #4A5A63;
  display: block;
}

/* ===== 首屏 ===== */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  color: var(--c-paper);
  background: linear-gradient(126deg, #0E7A6B 0%, #0A4F48 58%, #073B36 100%);
  padding: clamp(24px, 4.2vw, 54px) 0 clamp(28px, 5vw, 62px);
}

.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(118deg, rgba(247, 250, 249, .08) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, rgba(247, 250, 249, .05) 0 1px, transparent 1px 24px);
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 106, 33, .34) 0%, rgba(255, 106, 33, 0) 68%);
}

.page-disclaimer .dc-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 44px);
  align-items: center;
}

.page-disclaimer .dc-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: .02em;
  color: rgba(247, 250, 249, .72);
}

.page-disclaimer .dc-crumbs a {
  color: rgba(247, 250, 249, .94);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 33, .65);
  transition: color .18s ease, border-color .18s ease;
}

.page-disclaimer .dc-crumbs a:hover,
.page-disclaimer .dc-crumbs a:focus-visible {
  color: var(--c-orange-soft);
  border-color: var(--c-orange-soft);
}

.page-disclaimer .dc-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 4.8vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-disclaimer .dc-hero__lead {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: rgba(247, 250, 249, .88);
}

.page-disclaimer .dc-hero__figure {
  margin: 0;
}

.page-disclaimer .dc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  filter: saturate(1.06) contrast(1.02);
}

/* ===== 条款目录 ===== */
.page-disclaimer .dc-toc-band {
  background: var(--c-mint);
  border-bottom: 1px solid var(--dc-rule);
  padding: clamp(14px, 2vw, 22px) 0;
}

.page-disclaimer .dc-toc-band__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-grass);
}

.page-disclaimer .dc-toc ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-toc a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  font-size: 14px;
  color: var(--c-navy);
  text-decoration: none;
  background: var(--c-paper);
  border: 1px solid rgba(14, 122, 107, .22);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.page-disclaimer .dc-toc a:hover,
.page-disclaimer .dc-toc a:focus-visible {
  background: var(--c-orange-soft);
  border-color: var(--c-orange);
}

.page-disclaimer .dc-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-orange);
}

/* ===== 条款正文 ===== */
.page-disclaimer .dc-clauses {
  background: var(--c-paper);
  padding: clamp(8px, 1.6vw, 22px) 0 clamp(34px, 5vw, 68px);
}

.page-disclaimer .dc-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  padding: clamp(26px, 3.6vw, 46px) 0;
  border-top: 1px solid var(--dc-rule);
  scroll-margin-top: 96px;
}

.page-disclaimer .dc-clause:first-of-type {
  border-top: 2px solid var(--c-orange);
}

.page-disclaimer .dc-clause__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--c-orange);
}

.page-disclaimer .dc-clause__title {
  position: relative;
  margin: 0 0 18px;
  padding-bottom: 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.3vw, 27px);
  line-height: 1.25;
  letter-spacing: -.015em;
  color: var(--c-navy);
}

.page-disclaimer .dc-clause__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 54px;
  height: 3px;
  background: var(--c-orange);
}

.page-disclaimer .dc-clause__text p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-disclaimer .dc-clause__text p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-clause__text a {
  color: var(--c-grass);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 122, 107, .45);
  transition: color .18s ease, border-color .18s ease;
}

.page-disclaimer .dc-clause__text a:hover,
.page-disclaimer .dc-clause__text a:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-disclaimer .dc-clause__text ul {
  max-width: 64ch;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-clause__text li {
  position: relative;
  margin-bottom: 9px;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-disclaimer .dc-clause__text li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .75em;
  width: 9px;
  height: 2px;
  background: var(--c-grass);
}

.page-disclaimer .dc-clause__text li strong {
  color: var(--c-navy);
  font-weight: 700;
}

/* 三步引用规范 */
.page-disclaimer .dc-steps {
  counter-reset: dcstep;
  max-width: 64ch;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-steps li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 42px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-disclaimer .dc-steps li::before {
  counter-increment: dcstep;
  content: counter(dcstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  width: auto;
  height: auto;
  background: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-orange);
}

/* 示例句式 */
.page-disclaimer .dc-sample {
  max-width: 62ch;
  margin: 0 0 16px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-navy);
  background: var(--c-mint);
  border-left: 3px solid var(--c-orange);
  word-break: break-word;
}

/* 右侧注释栏 */
.page-disclaimer .dc-clause__side {
  position: relative;
  align-self: start;
  padding: 14px 16px;
  background: #EEF6F4;
  border-left: 3px solid var(--c-grass);
}

.page-disclaimer .dc-clause__side-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-grass);
}

.page-disclaimer .dc-clause__side p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dc-ink-soft);
}

/* ===== 更新的折叠面板 ===== */
.page-disclaimer .dc-update {
  margin-top: clamp(24px, 3.4vw, 40px);
  background: #FFFFFF;
  border: 1px solid var(--dc-rule);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-disclaimer .dc-update summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-navy);
}

.page-disclaimer .dc-update summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dc-update summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-orange);
}

.page-disclaimer .dc-update[open] summary::before {
  content: "\2013";
}

.page-disclaimer .dc-update summary:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}

.page-disclaimer .dc-update__body {
  padding: 0 20px 18px;
}

.page-disclaimer .dc-update__body p {
  max-width: 68ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

/* ===== 桌面端 ===== */
@media (min-width: 860px) {
  .page-disclaimer .dc-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .85fr);
  }

  .page-disclaimer .dc-clause {
    grid-template-columns: minmax(0, 1fr) 252px;
    gap: clamp(30px, 4vw, 58px);
  }

  .page-disclaimer .dc-clause__side {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .dc-clause {
    grid-template-columns: minmax(0, 1fr) 288px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-crumbs a,
  .page-disclaimer .dc-toc a,
  .page-disclaimer .dc-clause__text a {
    transition: none;
  }
}