.page-disclaimer {
  --term-num-col: 62px;
  --term-gap: 18px;
  --term-rule: 1px dashed var(--line);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--cream);
  padding-top: calc(var(--header-h) + clamp(52px, 7vw, 88px));
  padding-bottom: clamp(48px, 6vw, 80px);
}

.page-disclaimer .terms-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -16%;
  top: -22%;
  width: 70%;
  height: 124%;
  background: linear-gradient(152deg, var(--ink-700) 0%, var(--ink-950) 78%);
  clip-path: polygon(24% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.page-disclaimer .terms-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -12%;
  bottom: -34%;
  width: 48%;
  height: 70%;
  background: radial-gradient(circle at 32% 34%, rgba(79, 224, 200, .14), transparent 64%);
  pointer-events: none;
}

.page-disclaimer .terms-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
}

.page-disclaimer .terms-hero .breadcrumb__item {
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(239, 233, 220, .62);
}

.page-disclaimer .terms-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(239, 233, 220, .34);
}

.page-disclaimer .terms-hero .breadcrumb__link {
  color: var(--copper-200);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-disclaimer .terms-hero .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-disclaimer .terms-hero__grid {
  display: grid;
  gap: clamp(30px, 4.4vw, 56px);
  align-items: end;
}

.page-disclaimer .terms-hero__copy {
  min-width: 0;
}

.page-disclaimer .terms-hero .eyebrow {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--copper-200);
  margin: 0;
}

.page-disclaimer .terms-hero__title {
  font-family: var(--font-sans);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.04;
  font-size: clamp(2.5rem, 7.4vw, 4.9rem);
  margin: .14em 0 .34em;
  color: var(--cream);
}

.page-disclaimer .terms-hero__lede {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  line-height: 1.86;
  color: rgba(239, 233, 220, .84);
  max-width: 46ch;
  margin: 0;
}

.page-disclaimer .terms-hero__revision {
  display: inline-block;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 8px 14px;
  border: 1px solid rgba(192, 139, 62, .48);
  border-radius: var(--r-sm);
  background: rgba(192, 139, 62, .1);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--copper-200);
}

.page-disclaimer .terms-hero__figure {
  margin: 0;
}

/* ---------- 正文区 ---------- */
.page-disclaimer .terms-body {
  background: var(--cream);
  color: var(--char);
  padding: clamp(52px, 7vw, 96px) 0 clamp(72px, 9vw, 116px);
}

.page-disclaimer .terms-layout {
  display: grid;
  gap: clamp(30px, 4vw, 46px);
}

/* ---------- 目录栏 ---------- */
.page-disclaimer .index-nav__title {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-disclaimer .index-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .index-nav__meta {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-disclaimer .index-nav__link {
  display: flex;
  align-items: baseline;
  gap: 11px;
  padding: 10px 0;
  border-bottom: var(--term-rule);
  color: var(--text-body);
  font-size: .92rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .index-nav__link .mono {
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--copper);
}

.page-disclaimer .index-nav__link:hover {
  color: var(--ink-900);
}

.page-disclaimer .index-nav__link.is-active {
  color: var(--ink-900);
  font-weight: 600;
  border-bottom-color: var(--copper);
}

/* ---------- 条款分组 ---------- */
.page-disclaimer .term-group {
  scroll-margin-top: calc(var(--header-h) + 32px);
  padding: clamp(30px, 4vw, 48px) 0;
  border-top: 1px solid var(--line);
}

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

.page-disclaimer .term-group__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.page-disclaimer .term-group__num {
  font-size: clamp(1.4rem, 2.6vw, 1.7rem);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--copper);
}

.page-disclaimer .term-group__title {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.25;
  font-size: clamp(1.3rem, 2.5vw, 1.85rem);
  margin: 0;
  color: var(--char);
}

.page-disclaimer .term-group__lede {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: .98rem;
  line-height: 1.86;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .term-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-disclaimer .term-list > .term + .term {
  border-top: var(--term-rule);
}

.page-disclaimer .term__details {
  padding: 4px 0;
}

.page-disclaimer .term__summary {
  display: grid;
  grid-template-columns: var(--term-num-col) minmax(0, 1fr) auto;
  align-items: start;
  gap: 4px var(--term-gap);
  padding: 15px 0 13px;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .term__num {
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--copper);
  padding-top: .28em;
}

.page-disclaimer .term__title {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.5;
  font-size: 1.02rem;
  margin: 0;
  color: var(--char);
  transition: color 200ms var(--ease);
}

.page-disclaimer .term__summary:hover .term__title {
  color: var(--ink-700);
}

.page-disclaimer .term__body {
  display: grid;
  grid-template-columns: var(--term-num-col) minmax(0, 1fr);
  gap: 0 var(--term-gap);
  padding-bottom: 16px;
}

.page-disclaimer .term__body > * {
  grid-column: 2;
}

.page-disclaimer .term__text {
  font-family: var(--font-serif);
  font-size: .96rem;
  line-height: 1.86;
  color: var(--text-body);
  max-width: 64ch;
  margin: 0 0 10px;
}

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

.page-disclaimer .term__text a {
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--copper-200);
  text-underline-offset: 3px;
  transition: color 200ms var(--ease), text-decoration-color 200ms var(--ease);
}

.page-disclaimer .term__text a:hover {
  color: var(--copper);
  text-decoration-color: var(--copper);
}

/* 折叠标记：加号 / 减号 */
.page-disclaimer .term__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: .28em;
  flex: none;
}

.page-disclaimer .term__mark::before,
.page-disclaimer .term__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--copper);
  transform: translate(-50%, -50%);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-disclaimer .term__mark::before {
  width: 14px;
  height: 2px;
}

.page-disclaimer .term__mark::after {
  width: 2px;
  height: 14px;
}

.page-disclaimer .term--drop .term__details[open] .term__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-disclaimer .term--drop .term__details[open] > .term__summary {
  padding-bottom: 6px;
}

/* 编号跳转时高亮目标条款组 */
@keyframes pd-term-flash {
  from { background-color: rgba(192, 139, 62, .22); }
  to { background-color: rgba(192, 139, 62, 0); }
}

.page-disclaimer .term-group:target {
  animation: pd-term-flash 1.4s var(--ease);
}

/* ---------- 焦点可见 ---------- */
.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--ink-700);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-disclaimer .terms-hero a:focus-visible {
  outline-color: var(--cyan);
}

/* ---------- 断点：窄屏目录转为横向胶囊 ---------- */
@media (max-width: 1023px) {
  .page-disclaimer .index-nav__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 2px 12px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .page-disclaimer .index-nav__list::-webkit-scrollbar {
    display: none;
  }

  .page-disclaimer .index-nav__list > li {
    flex: 0 0 auto;
  }

  .page-disclaimer .index-nav__link {
    white-space: nowrap;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: var(--r-pill);
    background: var(--cream-soft);
    font-size: .86rem;
  }

  .page-disclaimer .index-nav__link.is-active {
    border-color: var(--copper);
    background: rgba(192, 139, 62, .14);
  }

  .page-disclaimer .index-nav__meta {
    margin-top: 4px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer {
    --term-num-col: 50px;
    --term-gap: 12px;
  }

  .page-disclaimer .terms-hero::before {
    right: -34%;
    width: 96%;
  }

  .page-disclaimer .terms-hero__title {
    font-size: clamp(2.2rem, 11vw, 3rem);
  }

  .page-disclaimer .term__title {
    font-size: .98rem;
  }

  .page-disclaimer .term__text {
    font-size: .93rem;
    line-height: 1.8;
  }
}

/* ---------- 断点：桌面端左右分栏 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer .terms-hero__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
  }

  .page-disclaimer .terms-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .terms-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .terms-main {
    min-width: 0;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .term-group:target {
    animation: none;
    background-color: rgba(192, 139, 62, .14);
  }

  .page-disclaimer .index-nav__link,
  .page-disclaimer .term__mark::before,
  .page-disclaimer .term__mark::after,
  .page-disclaimer .term__title {
    transition: none;
  }
}