.page-disclaimer{
  --pd-num: clamp(2.6rem, 10vw, 3.6rem);
  --pd-gutter: clamp(1.15rem, 4vw, 3rem);
  --pd-measure: 46ch;
  position: relative;
  background: var(--ink-900);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-disclaimer *,
.page-disclaimer *::before,
.page-disclaimer *::after{
  box-sizing: border-box;
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible,
.page-disclaimer .btn:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 容器 ---------- */
.page-disclaimer .pd-wrap{
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: var(--pd-gutter);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .pd-hero{
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(22rem, 60vh, 34rem);
  padding-block: clamp(2.5rem, 8vw, 4.5rem);
  overflow: hidden;
  isolation: isolate;
}

.page-disclaimer .pd-hero__img{
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: .38;
}

.page-disclaimer .pd-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 84% 10%, rgba(36,224,210,.2), transparent 58%),
    linear-gradient(180deg, rgba(7,20,38,.42) 0%, rgba(7,20,38,.88) 66%, var(--ink-900) 100%);
}

.page-disclaimer .pd-hero__inner{
  position: relative;
  z-index: 1;
}

.page-disclaimer .pd-hero .breadcrumb{
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.6rem;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-disclaimer .pd-hero .breadcrumb a{
  color: inherit;
  text-decoration: none;
}

.page-disclaimer .pd-hero .breadcrumb a:hover{
  color: var(--cyan);
}

.page-disclaimer .pd-kicker{
  display: inline-block;
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  line-height: 1.4;
  letter-spacing: .28em;
  color: var(--cyan);
}

.page-disclaimer .pd-title{
  max-width: 22ch;
  margin: 0;
  font-size: clamp(1.9rem, 6.4vw, 3.9rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-disclaimer .pd-lead{
  max-width: 46ch;
  margin: 1.15rem 0 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-disclaimer .pd-hero__meta{
  margin: 1.5rem 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: rgba(159,182,204,.75);
}

/* ---------- 横向条款索引条 ---------- */
.page-disclaimer .pd-index{
  position: sticky;
  top: 4.5rem;
  z-index: 30;
  border-block: 1px solid var(--line);
  background: rgba(7,20,38,.9);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
}

.page-disclaimer .pd-index__inner{
  display: flex;
  align-items: center;
  gap: .85rem;
  padding-block: .6rem;
}

.page-disclaimer .pd-index__label{
  flex: none;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-disclaimer .pd-index__list{
  display: flex;
  gap: .45rem;
  margin: 0;
  padding: 0 0 .15rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x proximity;
}

.page-disclaimer .pd-index__list::-webkit-scrollbar{
  display: none;
}

.page-disclaimer .pd-index__link{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex: none;
  padding: .4rem .85rem;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-capsule);
  background: var(--glass);
  color: var(--mist);
  font-size: .82rem;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  scroll-snap-align: start;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .pd-index__link:hover,
.page-disclaimer .pd-index__link:focus-visible{
  color: var(--white);
  border-color: var(--cyan);
  background: var(--glass-strong);
}

.page-disclaimer .pd-index__no{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: -.02em;
  color: var(--cyan);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .pd-body{
  padding-top: clamp(2rem, 6vw, 3.5rem);
}

.page-disclaimer .pd-clause{
  display: grid;
  grid-template-columns: 1fr;
  gap: .35rem;
  padding-block: clamp(1.85rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: 8rem;
}

.page-disclaimer .pd-body > .pd-clause:first-child{
  padding-top: 0;
  border-top: none;
}

.page-disclaimer .pd-clause__num{
  position: relative;
  display: block;
  margin-bottom: .55rem;
  font-family: var(--font-mono);
  font-size: var(--pd-num);
  font-weight: 700;
  line-height: .88;
  letter-spacing: -.05em;
  font-variant-numeric: tabular-nums;
  color: rgba(159,182,204,.4);
  transition: color .25s var(--ease);
}

.page-disclaimer .pd-clause:hover .pd-clause__num,
.page-disclaimer .pd-clause:target .pd-clause__num{
  color: var(--cyan);
}

.page-disclaimer .pd-clause__num::after{
  content: attr(data-label);
  position: absolute;
  left: 0;
  top: calc(100% + .45rem);
  font-family: var(--font-body);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--cyan);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-.3rem);
  pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

.page-disclaimer .pd-clause__num:hover::after{
  opacity: 1;
  transform: none;
}

.page-disclaimer .pd-clause__title{
  margin: 0 0 1.1rem;
  font-size: clamp(1.25rem, 4.5vw, 1.7rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .005em;
  color: var(--white);
}

.page-disclaimer .pd-clause__body p{
  max-width: var(--pd-measure);
  margin: 0 0 1rem;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-disclaimer .pd-clause__body strong{
  color: var(--white);
  font-weight: 600;
}

.page-disclaimer .pd-link{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--glass-line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .pd-link:hover,
.page-disclaimer .pd-link:focus-visible{
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

/* 数据行 */
.page-disclaimer .pd-facts{
  max-width: var(--pd-measure);
  margin: 1.25rem 0 1.15rem;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-disclaimer .pd-facts li{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .3rem 1rem;
  padding: .6rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: .85rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .pd-facts b{
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-disclaimer .pd-facts b.pd-lime{
  color: var(--lime);
}

/* 行为规范列表 */
.page-disclaimer .pd-list{
  max-width: var(--pd-measure);
  margin: 1rem 0 1.15rem;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-list li{
  position: relative;
  padding-inline-start: 1.3rem;
  margin-bottom: .7rem;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-disclaimer .pd-list li::before{
  content: "";
  position: absolute;
  left: .1rem;
  top: .85em;
  width: .55rem;
  height: 1px;
  background: var(--cyan);
}

/* 折叠补充说明 */
.page-disclaimer .pd-clause__body .pd-fold{
  max-width: var(--pd-measure);
  margin: 1.25rem 0 0;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-card);
  background: var(--glass);
  overflow: hidden;
}

.page-disclaimer .pd-fold summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1.05rem;
  font-size: .88rem;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .pd-fold summary::-webkit-details-marker{
  display: none;
}

.page-disclaimer .pd-fold summary::after{
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--mist);
}

.page-disclaimer .pd-fold[open] summary::after{
  content: "−";
}

.page-disclaimer .pd-fold summary:hover{
  background: var(--glass-strong);
}

.page-disclaimer .pd-clause__body .pd-fold p{
  max-width: none;
  margin: 0;
  padding: 0 1.05rem 1rem;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--mist);
}

/* 章节更新标记 */
.page-disclaimer .pd-clause__body .pd-stamp{
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  max-width: none;
  margin: 1.35rem 0 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  line-height: 1.6;
  letter-spacing: .12em;
  color: rgba(159,182,204,.72);
}

.page-disclaimer .pd-stamp::before{
  content: "";
  flex: none;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- 页尾引导 ---------- */
.page-disclaimer .pd-tail{
  margin-top: clamp(2.75rem, 7vw, 4.5rem);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-card);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(36,224,210,.16), transparent 58%),
    var(--ink-800);
}

.page-disclaimer .pd-tail__title{
  margin: 0 0 .5rem;
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--white);
}

.page-disclaimer .pd-tail__text{
  max-width: 44ch;
  margin: 0 0 1.35rem;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .pd-tail__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 880px){
  .page-disclaimer{
    --pd-num: clamp(3.2rem, 4.4vw, 4.8rem);
  }

  .page-disclaimer .pd-clause{
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 0 3rem;
    padding-block: clamp(2.5rem, 4vw, 3.75rem);
  }

  .page-disclaimer .pd-clause__num{
    margin-bottom: 0;
    text-align: left;
  }

  .page-disclaimer .pd-clause__body{
    max-width: 52rem;
  }

  .page-disclaimer .pd-index__inner{
    padding-block: .7rem;
  }
}

@media (max-width: 640px){
  .page-disclaimer{
    --pd-gutter: 1.1rem;
  }

  .page-disclaimer .pd-index__label{
    display: none;
  }

  .page-disclaimer .pd-hero__meta{
    letter-spacing: .1em;
  }

  .page-disclaimer .pd-clause__num{
    font-size: clamp(2.4rem, 12vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-disclaimer .pd-index__link,
  .page-disclaimer .pd-clause__num,
  .page-disclaimer .pd-clause__num::after,
  .page-disclaimer .pd-link,
  .page-disclaimer .pd-fold summary{
    transition: none;
  }
}