.page-disclaimer {
  --doc-measure: 66ch;
  --doc-rail: 84px;
  --doc-gap: clamp(20px, 4vw, 34px);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-disclaimer .crumbs {
  padding-top: clamp(18px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 56px);
  overflow: hidden;
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.page-disclaimer .doc-hero .h-display {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.6vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-disclaimer .doc-hero .lead {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--haze);
  font-size: 16px;
  line-height: 1.75;
}

.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-disclaimer .doc-meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
}

.page-disclaimer .doc-meta__k {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--mint-soft);
}

.page-disclaimer .doc-meta__v {
  color: var(--paper);
}

.page-disclaimer .doc-hero__media {
  margin: clamp(26px, 5vw, 46px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900));
}

.page-disclaimer .doc-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1200 / 460;
}

.page-disclaimer .doc-hero__media .media__cap {
  padding: 12px 16px 14px;
  font-size: 13px;
  color: var(--haze);
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .doc-index {
  margin-top: clamp(6px, 2vw, 16px);
}

.page-disclaimer .doc-index__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-index__list li {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-index__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 4px;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer .doc-index__link:hover,
.page-disclaimer .doc-index__link:focus-visible {
  color: var(--mint);
  padding-left: 12px;
}

.page-disclaimer .doc-index__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .clause {
  padding: clamp(28px, 5vw, 46px) 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause:last-of-type {
  border-bottom: 0;
}

.page-disclaimer .clause__rail {
  margin-bottom: 10px;
}

.page-disclaimer .clause__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--mint);
  padding: 3px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
}

.page-disclaimer .clause__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .clause__body p {
  max-width: var(--doc-measure);
  margin: 0 0 13px;
  color: var(--paper);
  font-size: 16px;
  line-height: 1.78;
}

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

.page-disclaimer .clause__note {
  color: var(--haze);
  font-size: 14px;
}

.page-disclaimer .clause__body a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--dur) var(--ease);
}

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

.page-disclaimer .hl-amber {
  color: var(--amber);
  font-family: var(--font-mono);
  font-weight: 600;
}

.page-disclaimer .clause-list {
  display: grid;
  gap: 9px;
  max-width: var(--doc-measure);
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 20px;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.72;
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--mint-soft);
}

/* ---------- 页脚信用带 ---------- */
.page-disclaimer .doc-credit {
  margin-top: clamp(34px, 6vw, 68px);
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
}

.page-disclaimer .doc-credit h2 {
  margin: 0 0 20px;
  color: var(--paper);
}

.page-disclaimer .doc-credit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-disclaimer .doc-credit__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mint-soft);
}

.page-disclaimer .doc-credit__v {
  margin: 6px 0 0;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-disclaimer .doc-credit__v a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-disclaimer .doc-credit__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--haze);
  font-size: 13.5px;
  line-height: 1.7;
  max-width: var(--doc-measure);
}

.page-disclaimer .doc-credit__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 16px 0 0;
}

.page-disclaimer .doc-credit__links a {
  color: var(--mint-soft);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .doc-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-disclaimer .doc-credit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 30px;
  }
}

/* ---------- 桌面：左侧编号轨道 + 细连接线 ---------- */
@media (min-width: 961px) {
  .page-disclaimer .doc-index {
    position: sticky;
    top: 0;
    z-index: 5;
    padding: 10px 0;
    background: var(--ink-900);
    border-bottom: 1px solid var(--line);
  }

  .page-disclaimer .doc-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }

  .page-disclaimer .doc-index__list li {
    border-bottom: 0;
  }

  .page-disclaimer .clause {
    display: grid;
    grid-template-columns: var(--doc-rail) minmax(0, 1fr);
    gap: 0 32px;
  }

  .page-disclaimer .clause__rail {
    position: relative;
    margin-bottom: 0;
    padding-top: 4px;
  }

  .page-disclaimer .clause__rail::after {
    content: "";
    position: absolute;
    left: 12px;
    top: 40px;
    bottom: -46px;
    width: 1px;
    background: linear-gradient(180deg, var(--line-strong), transparent);
  }

  .page-disclaimer .clause:last-of-type .clause__rail::after {
    display: none;
  }

  .page-disclaimer .clause__title {
    margin-top: 0;
  }

  .page-disclaimer .doc-credit__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-index__link,
  .page-disclaimer .doc-credit__v a,
  .page-disclaimer .doc-credit__links a,
  .page-disclaimer .clause__body a {
    transition: none;
  }
}