.page-disclaimer {
  --doc-cut: 22px;
  --doc-card: #FBF7EF;
  display: block;
  background: var(--paper);
  color: var(--char);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(20px, 3.5vw, 40px) 0 0;
  overflow: hidden;
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(201, 191, 169, .13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 191, 169, .13) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
}

.page-disclaimer .doc-hero .page-shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-hero .breadcrumb,
.page-disclaimer .doc-hero .breadcrumb__item,
.page-disclaimer .doc-hero .breadcrumb__link {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-disclaimer .doc-hero .breadcrumb__link {
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 243, 238, .35);
  padding-bottom: 1px;
}

.page-disclaimer .doc-hero .breadcrumb__link:hover,
.page-disclaimer .doc-hero .breadcrumb__link:focus-visible {
  border-bottom-color: var(--signal);
  color: #fff;
}

.page-disclaimer .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-disclaimer .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(168, 243, 238, .45);
}

.page-disclaimer .doc-hero__head {
  max-width: 62ch;
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 4vw, 42px);
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .doc-hero__code {
  color: var(--sand);
  font-weight: 700;
}

.page-disclaimer .doc-hero__sep {
  display: inline-block;
  width: 38px;
  height: 1px;
  background: var(--sand);
  transform: rotate(-12deg);
}

.page-disclaimer .doc-hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 8.5vw, 76px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-disclaimer .doc-hero__lede {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.82;
  color: rgba(244, 238, 226, .82);
}

.page-disclaimer .doc-hero__banner {
  margin: 0;
  position: relative;
}

.page-disclaimer .doc-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-top: 1px solid rgba(214, 162, 74, .5);
  opacity: .88;
}

.page-disclaimer .doc-hero__cap {
  position: absolute;
  left: var(--gutter);
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
  background: rgba(11, 34, 57, .72);
  padding: 4px 10px;
}

/* ---------- 正文框架 ---------- */
.page-disclaimer .doc-body {
  padding: clamp(34px, 5.5vw, 76px) 0 clamp(52px, 7vw, 96px);
  background:
    linear-gradient(to bottom, var(--paper-2) 0, var(--paper) 120px);
}

.page-disclaimer .doc-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
}

.page-disclaimer .doc-intro {
  margin: 0 0 clamp(22px, 3vw, 34px);
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--sand);
  font-size: 15px;
  line-height: 1.88;
  color: var(--char);
}

/* ---------- 条款框 ---------- */
.page-disclaimer .clause {
  position: relative;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding: clamp(18px, 2.5vw, 28px) clamp(16px, 2.5vw, 30px);
  background: var(--doc-card);
  border: 1px solid var(--rule);
  scroll-margin-top: calc(var(--bar-h) + 18px);
}

.page-disclaimer .clause::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: var(--doc-cut);
  height: var(--doc-cut);
  background: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  list-style: none;
  cursor: pointer;
}

.page-disclaimer .clause__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause__head::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--muted);
}

.page-disclaimer .clause[open] .clause__head::after {
  content: "－";
  color: var(--sand);
}

.page-disclaimer .clause__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
  transform: translateY(-2px);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 24px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-disclaimer .clause__body {
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.page-disclaimer .clause__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--char);
}

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

.page-disclaimer .clause__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--char);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 9px;
  height: 1px;
  background: var(--sand);
}

.page-disclaimer .clause__list a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
  padding-bottom: 1px;
}

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

.page-disclaimer .term {
  border-bottom: 2px solid rgba(214, 162, 74, .55);
  padding-bottom: 1px;
  font-weight: 500;
}

/* 深底条款 */
.page-disclaimer .clause--ink {
  background: var(--ink);
  border-color: var(--ink-2);
}

.page-disclaimer .clause--ink .clause__title {
  color: var(--paper);
}

.page-disclaimer .clause--ink .clause__num {
  color: var(--signal);
}

.page-disclaimer .clause--ink .clause__head::after {
  color: var(--mist);
}

.page-disclaimer .clause--ink .clause__body {
  border-top-color: rgba(201, 191, 169, .28);
}

.page-disclaimer .clause--ink .clause__body p,
.page-disclaimer .clause--ink .clause__list li {
  color: rgba(244, 238, 226, .85);
}

.page-disclaimer .clause--ink .clause__list li::before {
  background: var(--signal);
}

.page-disclaimer .clause--ink .clause__list a {
  color: var(--signal);
  border-bottom-color: rgba(38, 224, 214, .55);
}

.page-disclaimer .clause--ink .clause__list a:hover,
.page-disclaimer .clause--ink .clause__list a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-disclaimer .clause__sign {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sand);
}

/* ---------- 旁注索引 ---------- */
.page-disclaimer .doc-aside {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

.page-disclaimer .doc-aside__mark {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--sand);
  font-weight: 700;
}

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

.page-disclaimer .doc-aside__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 4px 8px 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .doc-aside__link:hover,
.page-disclaimer .doc-aside__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--sand);
}

.page-disclaimer .doc-aside__link.is-current {
  color: var(--ink);
  border-bottom-color: var(--signal);
}

.page-disclaimer .doc-aside__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .doc-aside__link.is-current .doc-aside__n {
  color: var(--coral);
}

.page-disclaimer .doc-aside__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 1000px) {
  .page-disclaimer .doc-body__grid {
    grid-template-columns: minmax(0, 7fr) minmax(190px, 3fr);
    gap: clamp(40px, 6vw, 84px);
    align-items: start;
  }

  .page-disclaimer .doc-aside {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--rule);
    padding-left: clamp(18px, 2.4vw, 28px);
  }

  .page-disclaimer .doc-aside__mark {
    writing-mode: vertical-rl;
    text-orientation: upright;
    height: 124px;
    letter-spacing: .32em;
    margin-bottom: 20px;
  }

  .page-disclaimer .clause {
    padding: clamp(24px, 2.6vw, 32px) clamp(26px, 2.8vw, 36px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-aside__link {
    transition: none;
  }
}
</main>