/* ===== 使用协议页 · 页面级样式 ===== */
.page-disclaimer {
  --dis-dash: rgba(16, 28, 54, 0.22);
  --dis-wash: rgba(31, 158, 154, 0.07);
  --dis-signal-wash: rgba(242, 98, 46, 0.07);
  display: block;
}

/* --- 首屏 --- */
.page-disclaimer .dis-masthead {
  position: relative;
  padding: 26px 0 46px;
  background: linear-gradient(180deg, var(--paper-light) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.page-disclaimer .dis-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(16, 28, 54, 0.04) 0 1px,
    transparent 1px 9px
  );
  pointer-events: none;
}

.page-disclaimer .dis-masthead__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-lg);
}

.page-disclaimer .dis-masthead__text {
  max-width: 680px;
}

.page-disclaimer .dis-masthead__kicker {
  margin: var(--gap-sm) 0 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--glacier-deep);
}

.page-disclaimer h1 {
  margin: 12px 0 18px;
  font-size: clamp(40px, 9vw, 76px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--indigo);
}

.page-disclaimer .dis-masthead__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 40em;
}

.page-disclaimer .dis-masthead__meta {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .dis-masthead__figure {
  margin: 0;
  position: relative;
}

.page-disclaimer .dis-masthead__figure::before {
  content: "";
  position: absolute;
  top: -8px;
  left: -8px;
  width: 42px;
  height: 5px;
  background: var(--signal);
}

.page-disclaimer .dis-masthead__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  box-shadow: 5px 5px 0 rgba(16, 28, 54, 0.08);
}

/* --- 双栏正文 --- */
.page-disclaimer .dis-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-lg);
  padding-top: var(--gap-lg);
  padding-bottom: var(--gap-lg);
}

/* 目录 */
.page-disclaimer .dis-toc__cap {
  display: inline-block;
  margin: 0 0 var(--gap-sm);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--indigo);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .dis-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-disclaimer .dis-toc__item {
  border-bottom: 1px solid var(--rule-soft);
}

.page-disclaimer .dis-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 12px 13px 10px;
  border-left: 3px solid transparent;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.page-disclaimer .dis-toc__link:hover,
.page-disclaimer .dis-toc__link:focus-visible {
  border-left-color: var(--signal);
  background-color: var(--dis-signal-wash);
  color: var(--indigo);
  outline: none;
}

.page-disclaimer .dis-toc__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-disclaimer .dis-toc__aside {
  margin-top: 22px;
  padding: 16px 16px 14px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  box-shadow: 3px 3px 0 rgba(16, 28, 54, 0.07);
}

.page-disclaimer .dis-toc__aside-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--indigo);
  letter-spacing: 0.02em;
}

.page-disclaimer .dis-toc__aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dis-toc__aside-list li + li {
  margin-top: 8px;
}

.page-disclaimer .dis-toc__aside-list a {
  display: block;
  padding-left: 10px;
  border-left: 3px solid var(--flag-blue);
  font-size: 13px;
  line-height: 1.65;
  color: var(--glacier-deep);
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-disclaimer .dis-toc__aside-list a:hover,
.page-disclaimer .dis-toc__aside-list a:focus-visible {
  border-left-color: var(--signal);
  color: var(--signal-dark);
}

/* 条款正文 */
.page-disclaimer .dis-clause {
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px dashed var(--dis-dash);
  scroll-margin-top: 24px;
}

.page-disclaimer .dis-clause:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.page-disclaimer .dis-clause__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  margin: 0 0 14px;
  border-radius: 50%;
  background: var(--flag-blue);
  color: #FFFFFF;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: background-color 160ms ease;
}

.page-disclaimer .dis-clause:target .dis-clause__num {
  background: var(--signal);
}

.page-disclaimer .dis-clause__title {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--indigo);
}

.page-disclaimer .dis-clause__body p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

.page-disclaimer .dis-clause__body a {
  color: var(--glacier-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 158, 154, 0.45);
  transition: border-color 160ms ease, color 160ms ease;
}

.page-disclaimer .dis-clause__body a:hover,
.page-disclaimer .dis-clause__body a:focus-visible {
  color: var(--signal-dark);
  border-bottom-color: var(--signal);
}

/* --- 收尾条带 --- */
.page-disclaimer .dis-signoff {
  margin-top: var(--gap-lg);
  background: linear-gradient(180deg, var(--midnight) 0%, var(--indigo) 100%);
  border-top: 3px solid var(--signal);
}

.page-disclaimer .dis-signoff__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  padding: 26px 0;
}

.page-disclaimer .dis-signoff__brand {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper-light);
}

.page-disclaimer .dis-signoff__item {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--rail-text);
}

/* --- 平板与桌面 --- */
@media (min-width: 768px) {
  .page-disclaimer .dis-masthead {
    padding: 34px 0 56px;
  }

  .page-disclaimer .dis-masthead__grid {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: end;
    gap: var(--gap-xl);
  }

  .page-disclaimer .dis-body {
    padding-top: var(--gap-xl);
    padding-bottom: var(--gap-xl);
  }

  .page-disclaimer .dis-clause {
    padding-bottom: 36px;
    margin-bottom: 36px;
  }

  .page-disclaimer .dis-clause__title {
    font-size: 24px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .dis-masthead__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-disclaimer .dis-body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--gap-xl);
    align-items: start;
  }

  .page-disclaimer .dis-toc {
    position: sticky;
    top: 24px;
  }

  .page-disclaimer .dis-signoff__inner {
    padding: 30px 0;
  }
}