.page-disclaimer {
  --terms-measure: 52rem;
  --terms-ink-soft: #2C3A4A;
  --terms-rule-light: rgba(18, 26, 36, 0.12);
  display: block;
  background: var(--abyss-950);
  color: var(--board-050);
}

/* ---------- 页头 ---------- */

.page-disclaimer .terms-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px) 0 clamp(48px, 8vw, 96px);
  background: var(--abyss-950);
  border-bottom: 1px solid var(--glass-line);
}

.page-disclaimer .terms-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .terms-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.3;
}

.page-disclaimer .terms-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 11, 24, 0.62) 0%, rgba(5, 11, 24, 0.9) 62%, var(--abyss-950) 100%),
    repeating-linear-gradient(90deg, rgba(34, 211, 208, 0.05) 0 1px, transparent 1px 88px);
}

.page-disclaimer .terms-hero-inner {
  position: relative;
  z-index: 2;
}

.page-disclaimer .terms-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-disclaimer .terms-hero .breadcrumb a {
  color: var(--haze-400);
  text-decoration: none;
  transition: color var(--t-base) var(--ease);
}

.page-disclaimer .terms-hero .breadcrumb a:hover {
  color: var(--electron-400);
}

.page-disclaimer .terms-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--electron-400);
}

.page-disclaimer h1 {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-size: clamp(40px, 11vw, 92px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--board-050);
}

.page-disclaimer .terms-lede {
  max-width: 40rem;
  margin: 0 0 26px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--haze-400);
}

.page-disclaimer .terms-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .terms-meta-note {
  font-size: 13px;
  color: var(--haze-400);
}

/* ---------- 粘性目录 ---------- */

.page-disclaimer .terms-index {
  position: sticky;
  top: var(--bar-h);
  z-index: 30;
  background: rgba(5, 11, 24, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-line);
}

.page-disclaimer .terms-index-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.page-disclaimer .terms-index-label {
  display: none;
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--haze-400);
}

.page-disclaimer .terms-index-list {
  display: flex;
  flex: 1 1 auto;
  gap: 4px;
  margin: 0;
  padding: 4px 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .terms-index-list li {
  flex: 0 0 auto;
}

.page-disclaimer .terms-index-list a {
  display: inline-block;
  padding: 7px 11px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--haze-400);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-disclaimer .terms-index-list a:hover {
  color: var(--electron-400);
  border-color: var(--glass-line);
  background: var(--glass-100);
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .terms-body {
  background: var(--board-050);
  color: var(--ink-800);
  padding: clamp(44px, 7vw, 96px) 0 clamp(52px, 8vw, 104px);
}

.page-disclaimer .terms-col {
  max-width: var(--terms-measure);
}

.page-disclaimer .terms-section {
  padding: clamp(30px, 5vw, 56px) 0;
  border-bottom: 1px solid var(--terms-rule-light);
  scroll-margin-top: calc(var(--bar-h) + 80px);
}

.page-disclaimer .terms-section:first-child {
  padding-top: 0;
}

.page-disclaimer .terms-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .terms-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-disclaimer .terms-no {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--signal-500);
}

.page-disclaimer .terms-head h2 {
  margin: 0;
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-800);
}

.page-disclaimer .terms-col p {
  margin: 0 0 15px;
  font-size: 16.5px;
  line-height: 1.88;
  color: var(--terms-ink-soft);
}

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

.page-disclaimer .terms-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-list li {
  position: relative;
  margin-bottom: 11px;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--terms-ink-soft);
}

.page-disclaimer .terms-list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.82em;
  width: 11px;
  height: 1px;
  background: var(--steel-600);
}

.page-disclaimer .terms-body a {
  color: var(--route-700);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--t-base) var(--ease);
}

.page-disclaimer .terms-body a:hover {
  color: var(--signal-600);
}

/* ---------- 版本声明 ---------- */

.page-disclaimer .terms-version {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 8vw, 112px) 0;
  background: var(--graphite-900);
  border-top: 1px solid var(--glass-line);
}

.page-disclaimer .terms-version::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--signal-500) 0%, var(--electron-400) 42%, transparent 100%);
  opacity: 0.7;
}

.page-disclaimer .terms-version-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--haze-400);
}

.page-disclaimer .terms-version-num {
  display: inline-block;
  margin: 14px 0 22px;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(42px, 13vw, 128px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--board-050);
  border-bottom: 6px solid var(--signal-500);
  word-break: break-word;
}

.page-disclaimer .terms-version-text {
  max-width: 40rem;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--haze-400);
}

.page-disclaimer .terms-version-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 返回顶部 ---------- */

.page-disclaimer .terms-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 40;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--board-050);
  background: rgba(14, 19, 25, 0.86);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-disclaimer .terms-top:hover {
  color: var(--electron-400);
  border-color: var(--electron-400);
  background: rgba(27, 58, 107, 0.5);
}

.page-disclaimer .terms-top:focus-visible,
.page-disclaimer .terms-index-list a:focus-visible,
.page-disclaimer .terms-body a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-disclaimer .terms-index-label {
    display: inline-block;
  }

  .page-disclaimer .terms-index-list {
    padding: 4px 0;
  }

  .page-disclaimer .terms-head {
    gap: 20px;
  }

  .page-disclaimer .terms-no {
    font-size: 14px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .terms-index {
    top: 0;
  }

  .page-disclaimer .terms-index-inner {
    min-height: 60px;
    gap: 24px;
  }

  .page-disclaimer .terms-index-list {
    gap: 6px;
  }

  .page-disclaimer .terms-section {
    scroll-margin-top: 96px;
  }

  .page-disclaimer .terms-version-actions {
    gap: 16px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .terms-col {
    max-width: 56rem;
  }

  .page-disclaimer .terms-section {
    padding: 64px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index-list a,
  .page-disclaimer .terms-body a,
  .page-disclaimer .terms-top,
  .page-disclaimer .terms-hero .breadcrumb a {
    transition: none;
  }
}