.page-disclaimer {
  --doc-line: rgba(22, 26, 29, 0.14);
  --doc-line-strong: rgba(22, 26, 29, 0.3);
  --doc-mute: rgba(22, 26, 29, 0.6);
  --doc-soft: rgba(31, 77, 70, 0.08);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  padding-block: clamp(18px, 2.6vw, 34px) clamp(48px, 7vw, 96px);
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏折页 ---------- */
.page-disclaimer .doc-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 44px);
  border-top: 3px solid var(--ink);
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-disclaimer .doc-hero__text {
  min-width: 0;
}

.page-disclaimer .doc-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-disclaimer .doc-hero .lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 18px);
  color: rgba(22, 26, 29, 0.78);
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(20px, 3vw, 40px);
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--doc-line);
}

.page-disclaimer .doc-hero__meta div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-disclaimer .doc-hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--doc-mute);
}

.page-disclaimer .doc-hero__meta dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.page-disclaimer .doc-hero__media {
  margin: 0;
  min-width: 0;
}

.page-disclaimer .doc-hero__frame {
  overflow: hidden;
  background: var(--grid);
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}

.page-disclaimer .doc-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-disclaimer .doc-hero__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--doc-mute);
  text-align: right;
}

/* ---------- 目录索引 ---------- */
.page-disclaimer .doc-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(28px, 4vw, 52px);
  background: var(--doc-line);
  border: 1px solid var(--doc-line);
}

.page-disclaimer .doc-index__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px clamp(12px, 2vw, 20px);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .doc-index__link:hover,
.page-disclaimer .doc-index__link:focus-visible {
  background: var(--white);
  border-left-color: var(--red);
}

.page-disclaimer .doc-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--doc-mute);
}

.page-disclaimer .doc-index__txt {
  font-size: 15px;
  font-weight: 600;
}

.page-disclaimer .doc-index__arrow {
  font-size: 14px;
  color: var(--doc-mute);
  transition: transform 180ms var(--ease), color 180ms var(--ease);
}

.page-disclaimer .doc-index__link:hover .doc-index__arrow,
.page-disclaimer .doc-index__link:focus-visible .doc-index__arrow {
  transform: translateX(3px);
  color: var(--red);
}

/* ---------- 条款分节 ---------- */
.page-disclaimer .doc-sections {
  margin-top: clamp(30px, 4.5vw, 60px);
  border-top: 1px solid var(--doc-line-strong);
  border-bottom: 1px solid var(--doc-line);
}

.page-disclaimer .doc-section {
  border-top: 1px solid var(--doc-line);
}

.page-disclaimer .doc-section:first-child {
  border-top: 0;
}

.page-disclaimer .doc-section__sum {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 10px 14px;
  padding: clamp(15px, 2.2vw, 22px) 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .doc-section__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-section__sum:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-disclaimer .doc-section__num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--red);
}

.page-disclaimer .doc-section__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  min-width: 0;
}

.page-disclaimer .doc-section__sum .tag {
  display: none;
}

.page-disclaimer .doc-section__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-disclaimer .doc-section__sign::before,
.page-disclaimer .doc-section__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--ink);
  transform: translateY(-50%);
  transition: opacity 160ms var(--ease);
}

.page-disclaimer .doc-section__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-disclaimer .doc-section[open] .doc-section__sign::after {
  opacity: 0;
}

.page-disclaimer .doc-section__body {
  padding: 0 0 clamp(20px, 3vw, 30px) clamp(0px, 2vw, 54px);
  max-width: 72ch;
}

.page-disclaimer .doc-section__body p {
  margin: 0 0 14px;
  font-size: 16px;
  color: rgba(22, 26, 29, 0.82);
}

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

.page-disclaimer .doc-section__body a {
  color: var(--red-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(163, 22, 42, 0.36);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-disclaimer .doc-section__body a:hover,
.page-disclaimer .doc-section__body a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-disclaimer .doc-section__note {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--doc-soft);
  border-left: 2px solid var(--green);
  font-size: 15px !important;
  color: var(--ink) !important;
}

.page-disclaimer .doc-section__note .tag {
  flex: none;
  margin-top: 2px;
}

/* ---------- 棋盘分隔带 ---------- */
.page-disclaimer .doc-band {
  height: 12px;
  margin-top: clamp(30px, 4.5vw, 56px);
  background-image: repeating-conic-gradient(
    var(--navy) 0% 25%,
    var(--paper) 0% 50%
  );
  background-size: 24px 24px;
  background-position: 0 0;
}

/* ---------- 联系与纠错 ---------- */
.page-disclaimer .doc-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  padding: clamp(26px, 4vw, 52px) clamp(20px, 3vw, 48px);
  background: var(--navy);
  color: var(--white);
}

.page-disclaimer .doc-contact__lead {
  min-width: 0;
}

.page-disclaimer .eyebrow--light {
  color: rgba(251, 251, 247, 0.62);
}

.page-disclaimer .doc-contact h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-disclaimer .doc-contact__lead p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  color: rgba(251, 251, 247, 0.8);
}

.page-disclaimer .doc-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-disclaimer .doc-contact .btn--line {
  color: var(--white);
  border-color: rgba(251, 251, 247, 0.4);
}

.page-disclaimer .doc-contact .btn--line:hover,
.page-disclaimer .doc-contact .btn--line:focus-visible {
  border-color: var(--white);
  background: rgba(251, 251, 247, 0.08);
}

.page-disclaimer .doc-lines {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  background: rgba(251, 251, 247, 0.16);
  border: 1px solid rgba(251, 251, 247, 0.16);
}

.page-disclaimer .doc-lines__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 13px 16px;
  background: var(--navy-soft);
}

.page-disclaimer .doc-lines__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(251, 251, 247, 0.56);
}

.page-disclaimer .doc-lines__row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .doc-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-disclaimer .doc-section__sum {
    grid-template-columns: 56px 1fr auto auto;
    gap: 12px clamp(14px, 2vw, 26px);
  }

  .page-disclaimer .doc-section__sum .tag {
    display: inline-block;
  }

  .page-disclaimer .doc-lines__row {
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    gap: 14px;
  }
}

/* ---------- 宽屏：分屏首屏与折页分栏 ---------- */
@media (min-width: 960px) {
  .page-disclaimer .doc-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-disclaimer .doc-hero__media {
    padding-top: 6px;
  }

  .page-disclaimer .doc-hero h1 {
    max-width: 15ch;
  }

  .page-disclaimer .doc-section__body {
    padding-left: 82px;
  }

  .page-disclaimer .doc-contact {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-index__link,
  .page-disclaimer .doc-index__arrow,
  .page-disclaimer .doc-section__sign::before,
  .page-disclaimer .doc-section__sign::after,
  .page-disclaimer .doc-section__body a {
    transition: none;
  }

  .page-disclaimer .doc-index__link:hover .doc-index__arrow,
  .page-disclaimer .doc-index__link:focus-visible .doc-index__arrow {
    transform: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    padding: 0;
    background: #fff;
    color: #000;
  }

  .page-disclaimer .breadcrumb,
  .page-disclaimer .doc-index,
  .page-disclaimer .doc-hero__media,
  .page-disclaimer .doc-band,
  .page-disclaimer .doc-contact__actions {
    display: none;
  }

  .page-disclaimer .doc-hero {
    border-top-color: #000;
  }

  .page-disclaimer .doc-section__sum {
    cursor: default;
  }

  .page-disclaimer .doc-section__body,
  .page-disclaimer .doc-section:not([open]) .doc-section__body {
    display: block !important;
    padding-left: 0;
    max-width: none;
  }

  .page-disclaimer .doc-contact {
    background: #fff;
    color: #000;
    padding: 16px 0;
    border-top: 1px solid #000;
  }

  .page-disclaimer .doc-contact h2,
  .page-disclaimer .doc-lines__row dd,
  .page-disclaimer .doc-contact__lead p {
    color: #000;
  }

  .page-disclaimer .doc-lines__row {
    background: #fff;
    border-bottom: 1px solid #999;
  }
}