.page-disclaimer {
  --clause-no: 4.4rem;
  --clause-gap: clamp(1rem, 2.4vw, 2.4rem);
  display: block;
  padding-bottom: clamp(3rem, 8vw, 6.5rem);
}

.page-disclaimer .shell {
  padding-top: clamp(1.2rem, 3vw, 2.4rem);
}

/* 声明头 */
.page-disclaimer .agreement-head {
  max-width: 60rem;
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-disclaimer .agreement-head .display {
  margin: .5rem 0 0;
  font-size: clamp(2.5rem, 8vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.page-disclaimer .lede {
  max-width: 44em;
  margin: 1.15rem 0 0;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-disclaimer .agreement-meta {
  list-style: none;
  margin: clamp(1.5rem, 3.4vw, 2.2rem) 0 0;
  padding: .85rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem clamp(1rem, 3.4vw, 2.6rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .agreement-meta li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
}

.page-disclaimer .agreement-meta__k {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .agreement-meta__v {
  font-size: .87rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-disclaimer .agreement-meta__v.num {
  font-family: var(--font-mono);
  color: var(--gold);
  letter-spacing: .02em;
}

/* 顶部横幅 */
.page-disclaimer .agreement-banner {
  margin: clamp(1.8rem, 4.5vw, 3.2rem) 0 0;
}

.page-disclaimer .agreement-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-disclaimer .agreement-banner .media-frame__caption {
  margin-top: .7rem;
  font-size: .78rem;
  line-height: 1.85;
  color: var(--mist);
}

/* 主体栅格 */
.page-disclaimer .agreement-grid {
  margin-top: clamp(2.2rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
}

/* 条款目录 */
.page-disclaimer .clause-nav {
  border-top: 1px solid var(--line);
  padding-top: clamp(1rem, 2.4vw, 1.5rem);
}

.page-disclaimer .clause-nav__title {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .clause-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-disclaimer .clause-nav__list a {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  padding: .42rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper-dim);
  text-decoration: none;
  font-size: .88rem;
  line-height: 1.5;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .clause-nav__list a:hover,
.page-disclaimer .clause-nav__list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .clause-nav__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-disclaimer .clause-nav .note {
  margin-top: 1.1rem;
}

/* 条款 */
.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .45rem;
  padding: clamp(1.6rem, 3.4vw, 2.6rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: clamp(4rem, 12vh, 8rem);
}

.page-disclaimer .clause:last-child {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-disclaimer .clause__main {
  min-width: 0;
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.8vw, 1.65rem);
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .clause__content {
  margin-top: .85rem;
}

.page-disclaimer .clause__content p {
  max-width: 40em;
  margin: 0 0 1rem;
  font-size: clamp(.95rem, 1.4vw, 1.04rem);
  line-height: 1.92;
  color: var(--paper-dim);
}

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

.page-disclaimer .clause__content a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 240, 198, .3);
  transition: border-color var(--dur) var(--ease);
}

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

.page-disclaimer .clause__list {
  list-style: none;
  max-width: 42em;
  margin: .2rem 0 1rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: clamp(.9rem, 1.35vw, .99rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: .68rem;
  height: 1px;
  background: var(--cyan);
  opacity: .75;
}

.page-disclaimer .clause__note {
  max-width: 40em;
  margin: 1rem 0 0;
  padding-left: .9rem;
  border-left: 1px solid var(--line);
  font-size: .82rem;
  line-height: 1.95;
  color: var(--mist);
}

/* 引用格式示例 */
.page-disclaimer .cite-format {
  max-width: 40em;
  margin: 1rem 0 1.15rem;
  padding: clamp(.85rem, 2vw, 1.15rem) clamp(1rem, 2.4vw, 1.35rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem .9rem;
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
}

.page-disclaimer .cite-format__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .cite-format__fields {
  font-family: var(--font-mono);
  font-size: clamp(.82rem, 1.4vw, .94rem);
  letter-spacing: .02em;
  color: var(--cyan);
}

/* 阅读中的条款以玻璃层浮起 */
.page-disclaimer .clause:target {
  background: var(--glass);
  margin-inline: calc(clamp(.8rem, 2vw, 1.4rem) * -1);
  padding-inline: clamp(.8rem, 2vw, 1.4rem);
  box-shadow: inset 2px 0 0 var(--cyan);
}

/* 联系方式行 */
.page-disclaimer .contact-lines {
  max-width: 40em;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-disclaimer .contact-lines__row {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: .8rem;
  align-items: baseline;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .contact-lines__k {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-disclaimer .contact-lines__v {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .contact-lines__v.num {
  font-family: var(--font-mono);
  color: var(--gold);
}

/* 桌面：左侧吸附目录 + 右侧条款 */
@media (min-width: 900px) {
  .page-disclaimer .agreement-grid {
    grid-template-columns: minmax(11rem, 17rem) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
  }

  .page-disclaimer .clause-nav {
    position: sticky;
    top: clamp(3.5rem, 9vh, 7rem);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: clamp(.9rem, 2vw, 1.4rem);
  }

  .page-disclaimer .clause-nav__list {
    gap: .15rem;
  }

  .page-disclaimer .clause-nav__list a {
    padding: .42rem 0;
    border: 0;
    border-bottom: 1px solid transparent;
    border-radius: 0;
    white-space: normal;
  }

  .page-disclaimer .clause {
    grid-template-columns: var(--clause-no) minmax(0, 1fr);
    gap: 0 var(--clause-gap);
  }

  .page-disclaimer .clause__no {
    font-size: clamp(1.1rem, 2.2vw, 1.5rem);
    padding-top: .28rem;
  }
}

/* 平板：目录横向排列，避免挤压条款 */
@media (min-width: 640px) and (max-width: 899px) {
  .page-disclaimer .clause-nav__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    padding-bottom: .5rem;
    scrollbar-width: thin;
  }
}

@media (max-width: 639px) {
  .page-disclaimer .agreement-meta {
    gap: .5rem .9rem;
  }

  .page-disclaimer .clause-nav__list a {
    white-space: normal;
  }

  .page-disclaimer .agreement-banner img {
    aspect-ratio: 16 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-nav__list a,
  .page-disclaimer .clause__content a {
    transition: none;
  }
}