/* ============ 使用条款 · 页面专属样式 ============ */

.page-disclaimer {
  --tos-indent: 0px;
}

.page-disclaimer .crumbs {
  margin: clamp(18px, 3vw, 34px) 0 clamp(12px, 1.6vw, 20px);
}

/* ---------- 首屏：横幅 + 标题 ---------- */
.page-disclaimer .tos-hero {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(130% 100% at 8% 0%, rgba(46, 92, 78, .46), transparent 62%),
    var(--ink);
}

.page-disclaimer .tos-hero-inner {
  padding: clamp(26px, 4.6vw, 58px) 0 clamp(24px, 3.6vw, 46px);
  max-width: 60ch;
}

.page-disclaimer .tos-kicker {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-disclaimer .tos-hero h1 {
  margin: 0 0 18px;
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cream);
  transform: scaleY(.94);
  transform-origin: 0 100%;
}

.page-disclaimer .tos-hero .lede {
  margin: 0;
  max-width: 54ch;
  color: var(--silver);
}

.page-disclaimer .tos-hero-media {
  position: relative;
  height: clamp(190px, 36vw, 380px);
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .tos-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: .84;
}

/* ---------- 展签：当前期次 + 条目跳转 ---------- */
.page-disclaimer .tos-placard {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  margin-top: clamp(22px, 3.4vw, 42px);
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  background: linear-gradient(100deg, rgba(46, 92, 78, .38), rgba(14, 21, 18, 0) 64%);
}

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

.page-disclaimer .tos-placard-label {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-disclaimer .tos-placard-value {
  margin: 0;
  font-size: var(--fs-h4);
  line-height: 1.5;
  color: var(--cream);
}

.page-disclaimer .tos-placard-value .mono {
  color: var(--copper-bright);
}

.page-disclaimer .tos-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .tos-jump a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 34px;
  padding: 0 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  text-decoration: none;
  color: var(--copper);
  border: 1px solid var(--line);
  background: rgba(14, 21, 18, .5);
  transition: background var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-disclaimer .tos-jump a:hover,
.page-disclaimer .tos-jump a:focus-visible {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--ink);
}

/* ---------- 条款清单 ---------- */
.page-disclaimer .tos-list {
  margin-top: clamp(20px, 3vw, 36px);
  border-top: 1px solid var(--line-soft);
}

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

.page-disclaimer .clause-head {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "num mark"
    "title mark";
  align-items: start;
  gap: 7px 16px;
  padding: clamp(16px, 2.5vw, 24px) 2px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--t-fast) ease;
}

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

.page-disclaimer .clause-head:hover {
  background: rgba(46, 92, 78, .16);
}

.page-disclaimer .clause-head:focus-visible {
  outline: 1px solid var(--copper-bright);
  outline-offset: 2px;
}

.page-disclaimer .clause-num {
  grid-area: num;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--copper);
}

.page-disclaimer .clause-title {
  grid-area: title;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.35;
  color: var(--cream);
  transform: scaleY(.96);
  transform-origin: 0 50%;
}

.page-disclaimer .clause-mark {
  grid-area: mark;
  align-self: center;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 1px solid var(--copper);
  border-bottom: 1px solid var(--copper);
  transform: rotate(45deg);
  transition: transform var(--t-mid) ease, border-color var(--t-fast) ease;
}

.page-disclaimer .clause[open] .clause-mark {
  transform: rotate(-135deg);
  border-color: var(--copper-bright);
}

.page-disclaimer .clause-body {
  padding: 0 2px clamp(20px, 3vw, 30px);
  border-left: 1px solid var(--line-soft);
  margin-left: 3px;
  padding-left: 16px;
}

.page-disclaimer .clause-body p {
  max-width: 68ch;
  margin: 0 0 14px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--silver);
}

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

.page-disclaimer .clause-body strong {
  color: var(--cream);
  font-weight: 600;
}

.page-disclaimer .clause-body a {
  color: var(--copper-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-line);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

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

.page-disclaimer .clause-body ul {
  max-width: 68ch;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-disclaimer .clause-body li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--silver);
}

.page-disclaimer .clause-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--copper);
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .tos-links-wrap .section-head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-disclaimer .tos-links {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-disclaimer .tos-link {
  display: block;
  padding: 22px 22px 24px;
  background: var(--ink-2);
  color: var(--cream);
  font-size: var(--fs-h4);
  font-weight: 700;
  line-height: 1.45;
  text-decoration: none;
  transition: background var(--t-fast) ease, color var(--t-fast) ease;
}

.page-disclaimer .tos-link span {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--stone);
  transition: color var(--t-fast) ease;
}

.page-disclaimer .tos-link:hover,
.page-disclaimer .tos-link:focus-visible {
  background: var(--bronze);
  color: var(--cream);
}

.page-disclaimer .tos-link:hover span,
.page-disclaimer .tos-link:focus-visible span {
  color: var(--silver);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .clause-head {
    grid-template-columns: 96px 1fr auto;
    grid-template-areas: "num title mark";
    align-items: baseline;
    gap: 0 18px;
    padding: clamp(18px, 2.4vw, 26px) 4px;
  }

  .page-disclaimer .clause-mark {
    align-self: center;
  }

  .page-disclaimer .clause-body {
    margin-left: 4px;
    padding-left: 20px;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .tos-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .clause-body {
    margin-left: 118px;
    padding-left: 24px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-mark,
  .page-disclaimer .tos-jump a,
  .page-disclaimer .tos-link {
    transition: none;
  }
}
</main>