.page-disclaimer {
  --pd-paper-line: rgba(14, 27, 44, 0.14);
  --pd-marked: #fff4ef;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* 首屏 */
.page-disclaimer .protocol-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 5vw, 46px) var(--gutter) clamp(44px, 6vw, 72px);
  overflow: hidden;
  border-bottom: 6px solid var(--orange);
}

.page-disclaimer .protocol-hero::after {
  content: "2025.26";
  position: absolute;
  right: -10px;
  bottom: -30px;
  font-family: var(--font-mono);
  font-size: clamp(88px, 17vw, 210px);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: rgba(61, 224, 200, 0.07);
  pointer-events: none;
  line-height: 1;
}

.page-disclaimer .hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray-blue);
}

.page-disclaimer .breadcrumb-item {
  margin-right: 8px;
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(147, 166, 186, 0.5);
}

.page-disclaimer .breadcrumb-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .breadcrumb-link:hover,
.page-disclaimer .breadcrumb-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .breadcrumb-current {
  color: var(--gray-blue);
}

.page-disclaimer .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer .eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .hero-title {
  margin: 0 0 20px;
  max-width: 700px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 76px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .hero-lede {
  max-width: 620px;
  margin: 0 0 28px;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(253, 247, 239, 0.82);
}

.page-disclaimer .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(147, 166, 186, 0.28);
}

.page-disclaimer .date-stamp {
  display: inline-block;
  padding: 6px 12px;
  background: var(--orange);
  color: var(--paper);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-disclaimer .meta-item {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--gray-blue);
}

/* 通栏图 */
.page-disclaimer .protocol-banner {
  position: relative;
  margin: 0;
  background: var(--ink-2);
}

.page-disclaimer .protocol-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: cover;
}

.page-disclaimer .protocol-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(232, 70, 42, 0.16) 0%, rgba(14, 27, 44, 0.62) 100%);
  pointer-events: none;
}

.page-disclaimer .protocol-banner .image-caption {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 16px;
  z-index: 1;
  margin: 0;
  max-width: 560px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(253, 247, 239, 0.88);
}

/* 正文布局 */
.page-disclaimer .protocol-body {
  padding: clamp(32px, 5vw, 64px) var(--gutter) clamp(40px, 6vw, 76px);
}

.page-disclaimer .protocol-layout {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-disclaimer .protocol-main {
  min-width: 0;
}

/* 条款 */
.page-disclaimer .clause {
  position: relative;
  padding: clamp(20px, 3vw, 30px) clamp(18px, 3vw, 32px);
  background: var(--paper);
  border-left: 4px solid var(--ink);
  border-radius: var(--radius);
  scroll-margin-top: 92px;
  transition: border-color 240ms ease-out;
}

.page-disclaimer .clause--marked {
  background: var(--pd-marked);
  border-left-color: var(--orange);
  box-shadow: inset 0 0 0 1px rgba(232, 70, 42, 0.18);
}

.page-disclaimer .clause.is-active {
  border-left-color: var(--orange);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .clause-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(32px, 6vw, 50px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.12;
  color: var(--ink);
}

.page-disclaimer .clause p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

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

.page-disclaimer .clause p a {
  color: var(--orange-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 52, 31, 0.4);
}

.page-disclaimer .clause p a:hover,
.page-disclaimer .clause p a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 斜线分隔带 */
.page-disclaimer .slash-band {
  height: 20px;
  margin: 16px 0;
  background-image: repeating-linear-gradient(
    -58deg,
    rgba(232, 70, 42, 0.55) 0 2px,
    transparent 2px 16px
  );
  mask-image: linear-gradient(90deg, #000 0%, #000 62%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 62%, transparent 100%);
}

/* 侧栏 */
.page-disclaimer .protocol-aside {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-disclaimer .clause-toc {
  background: var(--ink);
  color: var(--paper);
  padding: 18px 14px 20px;
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-disclaimer .toc-title {
  margin: 0 0 12px;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .toc-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 10px;
  font-size: 13.5px;
  line-height: 1.4;
  color: rgba(253, 247, 239, 0.72);
  text-decoration: none;
  border-left: 2px solid rgba(147, 166, 186, 0.28);
  transition: color 200ms ease-out, border-color 200ms ease-out, background 200ms ease-out;
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(61, 224, 200, 0.08);
}

.page-disclaimer .toc-link.is-active {
  color: var(--paper);
  border-left-color: var(--orange);
  background: rgba(232, 70, 42, 0.16);
}

.page-disclaimer .aside-card {
  position: relative;
  background: var(--ink-2);
  color: var(--paper);
  padding: 18px 16px 16px;
  border-radius: var(--radius);
}

.page-disclaimer .aside-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 3px;
  background: var(--amber);
}

.page-disclaimer .aside-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gray-blue);
}

.page-disclaimer .aside-num {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 46px;
  line-height: 1;
  color: var(--paper);
}

.page-disclaimer .aside-num span {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-disclaimer .aside-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(253, 247, 239, 0.75);
}

.page-disclaimer .aside-card .text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 224, 200, 0.4);
}

.page-disclaimer .aside-card .text-link:hover,
.page-disclaimer .aside-card .text-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 版本信息条 */
.page-disclaimer .version-bar {
  background: var(--ink);
  border-top: 6px solid var(--orange);
  padding: clamp(24px, 4vw, 36px) var(--gutter);
  scroll-margin-top: 92px;
}

.page-disclaimer .version-bar-inner {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  gap: 18px;
  align-items: center;
}

.page-disclaimer .version-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gray-blue);
}

.page-disclaimer .version-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-disclaimer .version-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(253, 247, 239, 0.82);
}

.page-disclaimer .version-cta {
  justify-self: start;
  text-decoration: none;
}

/* 媒体查询 */
@media (min-width: 680px) {
  .page-disclaimer .clause p {
    font-size: 17px;
  }

  .page-disclaimer .protocol-aside {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-disclaimer .clause-toc {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .protocol-layout {
    grid-template-columns: minmax(0, 1fr) 238px;
    gap: 52px;
    align-items: start;
  }

  .page-disclaimer .protocol-aside {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-disclaimer .version-bar-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 32px;
  }

  .page-disclaimer .version-cta {
    justify-self: end;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .protocol-main {
    padding-right: 8px;
  }

  .page-disclaimer .slash-band {
    margin: 20px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .toc-link {
    transition: none;
  }
}