/* ===== 使用条款页面 · page-disclaimer ===== */
.page-disclaimer {
  --clause-num-size: clamp(46px, 11vw, 104px);
  --clause-sticky-offset: calc(var(--top-h) + 74px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .clause-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink);
}

.page-disclaimer .clause-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .clause-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .3;
}

.page-disclaimer .clause-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(165deg, rgba(11, 18, 32, .5) 0%, rgba(11, 18, 32, .9) 58%, var(--ink) 100%);
  pointer-events: none;
}

.page-disclaimer .clause-hero-inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(30px, 5vw, 54px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px, 4vw, 40px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--stone);
}

.page-disclaimer .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  color: var(--line-strong);
}

.page-disclaimer .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--gold);
}

.page-disclaimer .clause-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--ice);
}

.page-disclaimer .clause-hero-title {
  margin: 0;
  max-width: 18em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 66px);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-disclaimer .clause-hero-lead {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(242, 239, 231, .82);
}

.page-disclaimer .clause-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--stone);
}

.page-disclaimer .clause-hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 14px;
  border-left: 3px solid var(--line-strong);
}

.page-disclaimer .clause-hero-meta li:first-child {
  border-left-color: var(--gold);
}

.page-disclaimer .clause-hero-meta .num {
  color: var(--gold);
  font-size: 16px;
}

/* ---------- 吸顶编号条 ---------- */
.page-disclaimer .clause-index {
  position: sticky;
  top: var(--top-h);
  z-index: 20;
  background: rgba(19, 28, 43, .96);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 10px 24px rgba(11, 18, 32, .42);
}

.page-disclaimer .clause-index-list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-disclaimer .clause-index-list li {
  flex: 0 0 auto;
}

.page-disclaimer .clause-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--stone);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-disclaimer .clause-index-list a:hover,
.page-disclaimer .clause-index-list a:focus-visible {
  color: var(--paper);
  border-color: var(--gold-line);
  background: rgba(232, 180, 74, .08);
  outline: none;
}

.page-disclaimer .clause-index-list a:focus-visible {
  box-shadow: 0 0 0 2px var(--gold);
}

.page-disclaimer .ci-num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-disclaimer .clause-index-list li:last-child .ci-num {
  color: var(--violet);
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .clause-stack {
  counter-reset: none;
}

.page-disclaimer .clause {
  padding: clamp(36px, 6vw, 76px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: var(--clause-sticky-offset);
}

.page-disclaimer .clause-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-disclaimer .clause-mark {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-disclaimer .clause-num {
  font-family: var(--font-num);
  font-size: var(--clause-num-size);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ice-deep);
  transition: color 240ms ease, -webkit-text-stroke-color 240ms ease;
}

.page-disclaimer .clause-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-disclaimer .clause-body p {
  margin: 0 0 16px;
  max-width: 44em;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: rgba(242, 239, 231, .78);
}

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

.page-disclaimer .clause-body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(78, 168, 222, .45);
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold-line);
}

.page-disclaimer .clause:target .clause-num {
  color: var(--gold);
  -webkit-text-stroke-color: var(--gold);
}

.page-disclaimer .clause:target .clause-title {
  color: var(--gold);
}

/* 责任范围：陶土色左竖线 */
.page-disclaimer .clause--liability {
  background: linear-gradient(90deg, rgba(181, 101, 74, .13) 0%, rgba(181, 101, 74, 0) 62%);
}

.page-disclaimer .clause--liability .clause-main {
  border-left: 3px solid var(--clay);
  padding-left: 18px;
}

/* ---------- 变更记录 ---------- */
.page-disclaimer .clause-changes {
  padding: clamp(42px, 6vw, 84px) 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line-strong);
}

.page-disclaimer .clause-changes .section-title {
  color: var(--paper);
}

.page-disclaimer .clause-changes-note {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-disclaimer .collapse-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-disclaimer .collapse {
  border: 1px solid var(--line);
  border-left: 3px solid var(--ice-deep);
  background: rgba(11, 18, 32, .62);
}

.page-disclaimer .collapse[open] {
  border-left-color: var(--gold);
}

.page-disclaimer .collapse summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--paper);
}

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

.page-disclaimer .collapse summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-disclaimer .collapse[open] summary::after {
  content: "\2212";
}

.page-disclaimer .collapse summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-disclaimer .collapse-body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--line);
  margin-top: 0;
}

.page-disclaimer .collapse-body p {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 收束 ---------- */
.page-disclaimer .clause-outro {
  position: relative;
  padding: clamp(38px, 5vw, 68px) 0 0;
}

.page-disclaimer .clause-outro-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: clamp(38px, 5vw, 66px);
}

.page-disclaimer .clause-outro-text {
  margin: 0;
  max-width: 44em;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: rgba(242, 239, 231, .8);
}

.page-disclaimer .clause-outro-link {
  align-self: flex-start;
  font-size: 15px;
}

.page-disclaimer .clause-end {
  height: 6px;
  background: linear-gradient(90deg, var(--ice) 0%, var(--ice-deep) 46%, var(--gold) 100%);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-disclaimer .clause-inner {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-disclaimer .clause-mark {
    justify-content: flex-start;
  }

  .page-disclaimer .clause-title {
    margin-top: 14px;
  }

  .page-disclaimer .clause-outro-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .page-disclaimer .clause-outro-link {
    flex: 0 0 auto;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .clause-inner {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 48px;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer .clause-index,
  .page-disclaimer .clause-end,
  .page-disclaimer .clause-hero-media {
    display: none;
  }

  .page-disclaimer .clause-hero::after {
    display: none;
  }

  .page-disclaimer .clause {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-num,
  .page-disclaimer .clause-index-list a {
    transition: none;
  }
}