.page-disclaimer {
  --terms-measure: 41rem;
  position: relative;
  background-image:
    linear-gradient(to right, rgba(34, 49, 74, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 49, 74, 0.22) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: center top;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-disclaimer .terms-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: end;
}

@media (min-width: 880px) {
  .page-disclaimer .terms-intro {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    gap: clamp(36px, 5vw, 80px);
  }
}

.page-disclaimer .terms-intro__lead {
  min-width: 0;
}

.page-disclaimer .terms-intro h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 9vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .terms-intro__sub {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .terms-intro__meta {
  min-width: 0;
}

.page-disclaimer .terms-intro__stamp {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 条款变更提示条 ---------- */
.page-disclaimer .terms-notice {
  position: relative;
  padding: 16px 18px 18px;
  border: 1px solid rgba(255, 139, 51, 0.28);
  border-left: 3px solid var(--orange);
  background:
    linear-gradient(115deg, rgba(255, 139, 51, 0.09), rgba(43, 13, 26, 0.72));
}

.page-disclaimer .terms-notice__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-disclaimer .terms-notice__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .terms-notice__toggle {
  padding: 4px 12px;
  border: 1px solid rgba(255, 139, 51, 0.42);
  background: transparent;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .terms-notice__toggle:hover,
.page-disclaimer .terms-notice__toggle:focus-visible {
  background: rgba(255, 139, 51, 0.14);
}

.page-disclaimer .terms-notice__text {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .terms-notice[data-collapsed="true"] .terms-notice__text {
  display: none;
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .terms-body {
  padding-top: clamp(34px, 5vw, 60px);
  padding-bottom: clamp(48px, 8vw, 110px);
}

.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.page-disclaimer .terms-column {
  position: relative;
  min-width: 0;
}

.page-disclaimer .terms-column::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 130px;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(55, 232, 211, 0.055), transparent);
  animation: terms-scan 8s linear infinite;
}

@keyframes terms-scan {
  0% {
    transform: translateY(-150px);
    opacity: 0;
  }
  14% {
    opacity: 1;
  }
  86% {
    opacity: 1;
  }
  100% {
    transform: translateY(1400px);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-column::before {
    animation: none;
    opacity: 0;
  }
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .term {
  position: relative;
  z-index: 1;
  padding: clamp(30px, 4.5vw, 50px) 0;
  border-top: 1px solid var(--line);
}

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

.page-disclaimer .term__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .term__no {
  flex: none;
  min-width: 30px;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .term__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--ink);
}

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

.page-disclaimer .term__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-disclaimer .term__body ul {
  margin: 4px 0 18px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .term__body li {
  position: relative;
  margin-bottom: 9px;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .term__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 10px;
  height: 1px;
  background: var(--purple);
}

.page-disclaimer .term__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 232, 211, 0.34);
  transition: border-color 0.2s var(--ease);
}

.page-disclaimer .term__body a:hover,
.page-disclaimer .term__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .term__note {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--purple);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 底部纹理图 ---------- */
.page-disclaimer .terms-art {
  position: relative;
  z-index: 1;
  margin: clamp(40px, 6vw, 76px) 0 0;
}

.page-disclaimer .terms-art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

/* ---------- 右侧刻度索引 ---------- */
.page-disclaimer .terms-rail {
  order: -1;
  min-width: 0;
}

.page-disclaimer .terms-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .terms-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .terms-rail__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .terms-rail__item {
  flex: none;
}

.page-disclaimer .terms-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .terms-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--purple);
}

.page-disclaimer .terms-rail__link:hover,
.page-disclaimer .terms-rail__link:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
}

@media (min-width: 960px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: minmax(0, var(--terms-measure)) minmax(0, 1fr);
    gap: clamp(48px, 7vw, 116px);
  }

  .page-disclaimer .terms-rail {
    order: 0;
    position: sticky;
    top: calc(var(--head-h) + 34px);
    align-self: start;
  }

  .page-disclaimer .terms-rail__label {
    padding-left: 18px;
  }

  .page-disclaimer .terms-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-disclaimer .terms-rail__item {
    display: block;
  }

  .page-disclaimer .terms-rail__link {
    display: flex;
    position: relative;
    padding: 12px 0 12px 18px;
    border: 0;
    white-space: normal;
    line-height: 1.5;
  }

  .page-disclaimer .terms-rail__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--line);
  }

  .page-disclaimer .terms-rail__link::after {
    content: "";
    position: absolute;
    left: 0;
    top: 1.15em;
    width: 9px;
    height: 1px;
    background: var(--line);
    transition: width 0.22s var(--ease), background 0.22s var(--ease);
  }

  .page-disclaimer .terms-rail__link:hover::after,
  .page-disclaimer .terms-rail__link:focus-visible::after {
    width: 15px;
    background: var(--cyan);
  }
}