/* ===== 使用条款页 · 页面专属样式（作用域：.page-disclaimer） ===== */
.page-disclaimer {
  --duty-gold: var(--gold);
  --duty-celadon: var(--celadon);
  --duty-cinnabar: var(--cinnabar);
  --toc-w: 226px;
  color: var(--paper);
}

/* 面包屑行 */
.page-disclaimer .disc-crumb {
  padding-top: 1.7rem;
}
.page-disclaimer .crumb-sep {
  margin: 0 .5rem;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  padding: clamp(2.2rem, 5vw, 4.2rem) 0 clamp(2rem, 4vw, 3.2rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-disclaimer .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.2rem;
}
.page-disclaimer .hero-rail .mono-label {
  display: block;
  margin-bottom: 1.1rem;
}
.page-disclaimer .hero-meta {
  margin: 0 0 1.5rem;
  padding: 0;
}
.page-disclaimer .hero-meta > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--line);
}
.page-disclaimer .hero-meta dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--slate);
}
.page-disclaimer .hero-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .04em;
  color: var(--paper);
  text-align: right;
}
.page-disclaimer .hero-jump {
  display: inline-block;
}
.page-disclaimer .hero-main {
  position: relative;
  z-index: 1;
}
.page-disclaimer .hero-watermark {
  position: absolute;
  top: -.16em;
  right: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(4.6rem, 17vw, 12rem);
  line-height: .82;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(227, 169, 60, .26);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.page-disclaimer h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 1.2rem;
  font-size: var(--fs-h1);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.08;
}
.page-disclaimer .hero-lead {
  position: relative;
  z-index: 1;
  max-width: 44ch;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.06rem);
  line-height: 1.95;
  color: var(--paper-dim);
}
.page-disclaimer .hero-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 章节通用 ---------- */
.page-disclaimer .disc-section {
  position: relative;
}
.page-disclaimer .clause-heading {
  margin: 0 0 1.1rem;
  font-size: var(--fs-h2);
  font-weight: 750;
  letter-spacing: -.01em;
  line-height: 1.3;
}
.page-disclaimer .clause-heading--wide {
  max-width: 30ch;
}
.page-disclaimer .clause-no {
  margin-right: .6rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--gold);
  vertical-align: middle;
}
.page-disclaimer .clause-text {
  max-width: 62ch;
  margin: 0 0 1.05rem;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--paper-dim);
}
.page-disclaimer .clause-text--wide {
  max-width: 68ch;
}
.page-disclaimer .clause-note {
  max-width: 68ch;
  margin: 1.6rem 0 0;
  padding: .9rem 0 .9rem 1.1rem;
  border-left: 1px solid var(--line);
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--slate);
}
.page-disclaimer .clause-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 169, 60, .38);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-disclaimer .clause-link:hover,
.page-disclaimer .clause-link:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 目录 + 正文 两栏 ---------- */
.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.2rem;
}
.page-disclaimer .toc-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}
.page-disclaimer .toc-link {
  display: block;
  margin-left: -1px;
  padding: .55rem .9rem;
  border-left: 2px solid transparent;
  font-size: .86rem;
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible,
.page-disclaimer .toc-link[data-active] {
  color: var(--paper);
  border-left-color: var(--gold);
}
.page-disclaimer .clause-block + .clause-block {
  margin-top: 2.6rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--line);
}
.page-disclaimer .fact-rows {
  margin: 1.5rem 0 0;
  padding: 0;
}
.page-disclaimer .fact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .25rem;
  padding: .85rem 0;
  border-top: 1px solid var(--line);
}
.page-disclaimer .fact-row dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--gold);
}
.page-disclaimer .fact-row dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--paper-dim);
}

/* ---------- 引用规则有序列表 ---------- */
.page-disclaimer .rule-list {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: rule;
}
.page-disclaimer .rule-list > li {
  position: relative;
  counter-increment: rule;
  padding: 1rem 0 1rem 3rem;
  border-top: 1px solid var(--line);
  font-size: .96rem;
  line-height: 1.88;
  color: var(--paper-dim);
}
.page-disclaimer .rule-list > li::before {
  content: "R" counter(rule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--gold);
}
.page-disclaimer .rule-list > li strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 三档响应窗口表格 ---------- */
.page-disclaimer .duty-section {
  border-top: 1px solid var(--line);
}
.page-disclaimer .duty-scroll {
  margin-top: 1.8rem;
}
.page-disclaimer .duty-table {
  display: block;
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  font-size: .92rem;
}
.page-disclaimer .duty-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.page-disclaimer .duty-table thead {
  display: none;
}
.page-disclaimer .duty-table tbody,
.page-disclaimer .duty-table tr,
.page-disclaimer .duty-table td {
  display: block;
  width: 100%;
}
.page-disclaimer .duty-table tr {
  margin-bottom: 1rem;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(10, 12, 18, .55);
}
.page-disclaimer .duty-row--gold {
  border-left: 2px solid var(--duty-gold);
}
.page-disclaimer .duty-row--celadon {
  border-left: 2px solid var(--duty-celadon);
}
.page-disclaimer .duty-row--cinnabar {
  border-left: 2px solid var(--duty-cinnabar);
}
.page-disclaimer .duty-table td {
  padding: .38rem 0;
  line-height: 1.75;
  color: var(--paper-dim);
}
.page-disclaimer .cell-key {
  display: block;
  margin-bottom: .18rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--slate);
}
.page-disclaimer .duty-window {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: .05em;
  color: var(--paper);
}

/* 可展开说明 */
.page-disclaimer details > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .05em;
  color: var(--gold);
  transition: color .2s var(--ease);
}
.page-disclaimer details > summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer details > summary::after {
  content: "＋";
  font-size: .8rem;
  line-height: 1;
}
.page-disclaimer details[open] > summary::after {
  content: "－";
}
.page-disclaimer details[open] > summary {
  color: var(--paper-dim);
}
.page-disclaimer details > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}
.page-disclaimer .detail-body {
  margin: .7rem 0 0;
  font-size: .87rem;
  line-height: 1.86;
  color: var(--slate);
}

/* ---------- 责任边界 ---------- */
.page-disclaimer .liability-section {
  border-top: 1px solid var(--line);
}
.page-disclaimer .liability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.8rem;
}
.page-disclaimer .liability-card {
  padding: 1.3rem 1.2rem 1.4rem;
  border: 1px solid var(--line);
  border-top-width: 2px;
  border-radius: var(--radius-card);
  background: rgba(10, 12, 18, .6);
}
.page-disclaimer .liability-card--gold {
  border-top-color: var(--gold);
}
.page-disclaimer .liability-card--celadon {
  border-top-color: var(--celadon);
}
.page-disclaimer .liability-card--violet {
  border-top-color: var(--violet);
}
.page-disclaimer .liability-title {
  margin: 0 0 .7rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}
.page-disclaimer .liability-body {
  margin: 0;
  font-size: .92rem;
  line-height: 1.88;
  color: var(--paper-dim);
}

/* ---------- 时间轴 ---------- */
.page-disclaimer .timeline-section {
  border-top: 1px solid var(--line);
}
.page-disclaimer .timeline-media {
  margin-top: 1.8rem;
  border-radius: var(--radius-card);
}
.page-disclaimer .timeline-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-disclaimer .timeline {
  position: relative;
  margin: 2.4rem 0 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .9rem;
  bottom: .9rem;
  width: 1px;
  background: var(--line);
}
.page-disclaimer .timeline-item {
  position: relative;
  padding: 0 0 1.7rem 2.2rem;
}
.page-disclaimer .timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(227, 169, 60, .13);
}
.page-disclaimer .tl-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem;
}
.page-disclaimer .tl-time {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--gold);
}
.page-disclaimer .tl-title {
  margin: 0 0 .35rem;
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.55;
  color: var(--paper);
}

/* ---------- 联系与更正 ---------- */
.page-disclaimer .correction-section {
  border-top: 1px solid var(--line);
}
.page-disclaimer .touch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}
.page-disclaimer .touch-panel {
  padding: 1.4rem 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(10, 12, 18, .62);
}
.page-disclaimer .touch-panel-title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .07em;
  color: var(--slate);
}
.page-disclaimer .channel-list {
  margin: 0;
  padding: 0;
}
.page-disclaimer .channel-row {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .9rem;
  padding: .75rem 0;
  border-top: 1px solid var(--line);
}
.page-disclaimer .channel-key {
  flex: 0 0 auto;
  min-width: 5.5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .05em;
  color: var(--slate);
}
.page-disclaimer .channel-val {
  margin: 0;
  flex: 1 1 12rem;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}
.page-disclaimer .touch-note {
  margin: 1.2rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--slate);
}
.page-disclaimer .touch-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.3rem;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .liability-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-disclaimer .fact-row {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.2rem;
    align-items: start;
  }
  .page-disclaimer .tl-head {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
  }
  .page-disclaimer .touch-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    gap: 2.6rem;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 920px) {
  .page-disclaimer .hero-grid {
    grid-template-columns: minmax(200px, .82fr) minmax(0, 2.4fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
  }
  .page-disclaimer .terms-layout {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }
  .page-disclaimer .toc-rail {
    position: sticky;
    top: 6.5rem;
    align-self: start;
  }
  .page-disclaimer .timeline-item:nth-child(even) {
    margin-left: 4rem;
  }
  .page-disclaimer .timeline-item:nth-child(odd) {
    margin-right: 4rem;
  }
  .page-disclaimer .timeline-media {
    margin-top: 2.2rem;
  }
}

/* ---------- 宽屏下的表格还原 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .duty-table {
    display: table;
    border-collapse: collapse;
  }
  .page-disclaimer .duty-table thead {
    display: table-header-group;
  }
  .page-disclaimer .duty-table tbody {
    display: table-row-group;
  }
  .page-disclaimer .duty-table tr {
    display: table-row;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
  }
  .page-disclaimer .duty-table th {
    padding: .8rem .9rem;
    border-bottom: 1px solid var(--gold);
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 500;
    letter-spacing: .07em;
    color: var(--slate);
    text-align: left;
    vertical-align: bottom;
  }
  .page-disclaimer .duty-table td {
    display: table-cell;
    padding: 1.05rem .9rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
    width: auto;
  }
  .page-disclaimer .duty-row--gold td:first-child {
    border-left: 2px solid var(--duty-gold);
  }
  .page-disclaimer .duty-row--celadon td:first-child {
    border-left: 2px solid var(--duty-celadon);
  }
  .page-disclaimer .duty-row--cinnabar td:first-child {
    border-left: 2px solid var(--duty-cinnabar);
  }
  .page-disclaimer .cell-key {
    display: none;
  }
  .page-disclaimer .duty-table td:nth-child(2) {
    white-space: nowrap;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-link,
  .page-disclaimer details > summary,
  .page-disclaimer .clause-link {
    transition: none;
  }
}