.page-disclaimer {
  --doc-rule: rgba(140, 154, 147, 0.2);
  --doc-key-bg: rgba(201, 111, 74, 0.13);
  --doc-text: rgba(237, 232, 219, 0.84);
  --doc-text-soft: rgba(237, 232, 219, 0.66);
  display: block;
}

/* ---------- 首屏横幅 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--line);
  background: linear-gradient(180deg, rgba(15, 42, 34, 0.92) 0%, rgba(11, 20, 16, 0.98) 100%);
  padding-top: clamp(24px, 5vw, 56px);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(140, 154, 147, 0.14) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(140, 154, 147, 0.09) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
  padding-bottom: clamp(24px, 4vw, 48px);
}

.page-disclaimer .doc-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: var(--step-h1);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.08;
  color: var(--c-ink);
}

.page-disclaimer .doc-hero__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--doc-text);
}

.page-disclaimer .doc-hero__text .meta {
  margin-top: 14px;
}

.page-disclaimer .doc-hero__figure {
  margin: 0;
  border: var(--line);
  background: var(--c-panel);
  line-height: 0;
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-disclaimer .doc-hero__scale {
  position: relative;
  z-index: 1;
  height: 18px;
  border-top: 1px solid rgba(140, 154, 147, 0.5);
  background-image: repeating-linear-gradient(90deg, rgba(140, 154, 147, 0.45) 0 1px, transparent 1px 18px);
  background-repeat: repeat-x;
  background-position: top left;
  background-size: auto 7px;
}

/* ---------- 版式骨架 ---------- */
.page-disclaimer .doc-layout {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-disclaimer .doc-rail {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-disclaimer .doc-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: var(--step-note);
  letter-spacing: 0.22em;
  color: var(--c-rock);
  text-transform: uppercase;
}

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

.page-disclaimer .doc-rail__item {
  flex: 0 0 auto;
}

.page-disclaimer .doc-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: var(--line);
  font-size: var(--step-note);
  line-height: 1.4;
  color: var(--doc-text-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .doc-rail__link:hover,
.page-disclaimer .doc-rail__link:focus-visible {
  color: var(--c-ink);
  border-color: rgba(53, 224, 208, 0.6);
  background: rgba(53, 224, 208, 0.07);
}

.page-disclaimer .doc-rail__num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-disclaimer .doc-body {
  max-width: 780px;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .clause {
  padding: clamp(20px, 3vw, 32px) 0;
  border-top: var(--line);
}

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

.page-disclaimer .clause--key {
  background: var(--doc-key-bg);
  border-left: 2px solid var(--c-clay);
  padding-left: clamp(14px, 2.4vw, 26px);
  padding-right: clamp(14px, 2.4vw, 26px);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.6vw, 18px);
  margin-bottom: 14px;
}

.page-disclaimer .clause__num {
  font-family: var(--font-num);
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  flex: 0 0 auto;
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.2vw, 27px);
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.3;
  color: var(--c-ink);
}

.page-disclaimer .clause__content > p {
  margin: 0 0 12px;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--doc-text);
}

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

.page-disclaimer .clause__content a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
}

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

.page-disclaimer .clause__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

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

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--doc-text);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--c-rock);
}

/* ---------- 折叠补充 ---------- */
.page-disclaimer .clause .fold {
  margin-top: 16px;
  border: var(--line);
  background: rgba(11, 20, 16, 0.45);
}

.page-disclaimer .clause .fold__summary {
  cursor: pointer;
  padding: 12px 14px;
  font-family: var(--font-head);
  font-size: var(--step-note);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-disclaimer .clause .fold__summary::marker {
  color: var(--c-cyan);
}

.page-disclaimer .clause .fold__body {
  padding: 0 14px 14px;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--doc-text-soft);
}

.page-disclaimer .clause .fold__body p {
  margin: 0;
}

.page-disclaimer .clause .fold__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
}

/* ---------- 联系信息块 ---------- */
.page-disclaimer .doc-contact {
  margin-top: 16px;
  border-top: var(--line-strong);
  border-bottom: var(--line);
  padding: 14px 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .doc-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.7;
}

.page-disclaimer .doc-contact__label {
  flex: 0 0 auto;
  min-width: 68px;
  color: var(--c-rock);
  font-size: var(--step-note);
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-disclaimer .doc-contact__value {
  flex: 1 1 auto;
  color: var(--c-ink);
  font-family: var(--font-num);
  font-size: 14px;
  word-break: break-word;
}

.page-disclaimer .doc-contact .meta {
  margin: 2px 0 0;
}

/* ---------- 返回顶部 ---------- */
.page-disclaimer .doc-top {
  position: fixed;
  right: clamp(12px, 3vw, 32px);
  bottom: clamp(12px, 3vw, 32px);
  z-index: 30;
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid rgba(53, 224, 208, 0.55);
  background: rgba(11, 20, 16, 0.88);
  color: var(--c-cyan);
  font-family: var(--font-head);
  font-size: var(--step-note);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .doc-top:hover,
.page-disclaimer .doc-top:focus-visible {
  background: var(--c-cyan);
  color: var(--c-base);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 599px) {
  .page-disclaimer .doc-hero__figure img {
    aspect-ratio: 4 / 3;
  }

  .page-disclaimer .clause__head {
    flex-wrap: wrap;
    gap: 6px 12px;
  }

  .page-disclaimer .doc-contact__row {
    display: grid;
    gap: 2px;
  }

  .page-disclaimer .doc-contact__label {
    padding-top: 0;
  }

  .page-disclaimer .doc-top {
    padding: 8px 11px;
    font-size: 11px;
  }
}

/* ---------- 桌面版式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .doc-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-disclaimer .doc-layout {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
    padding-right: 16px;
    border-right: var(--line);
  }

  .page-disclaimer .doc-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .doc-rail__link {
    width: 100%;
    border: 0;
    border-left: 1px solid transparent;
    padding: 7px 0 7px 12px;
    white-space: normal;
  }

  .page-disclaimer .doc-rail__link:hover,
  .page-disclaimer .doc-rail__link:focus-visible {
    background: rgba(53, 224, 208, 0.06);
    border-left-color: var(--c-cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-rail__link,
  .page-disclaimer .doc-top {
    transition: none;
  }
}