/* ============ 使用条款 / terms-of-use ============ */
.page-disclaimer {
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  padding-top: 26px;
}

/* ---------- 页首 ---------- */
.page-disclaimer .terms-hero {
  padding: 30px 0 42px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .terms-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mono-grey);
}

.page-disclaimer .terms-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.12;
  letter-spacing: 0.03em;
  color: var(--cream);
}

.page-disclaimer .terms-hero__title::after {
  content: "";
  display: block;
  width: clamp(80px, 18vw, 132px);
  height: 4px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 58%, var(--red));
}

.page-disclaimer .terms-hero__lead {
  max-width: 64ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(241, 231, 214, 0.88);
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

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

.page-disclaimer .terms-hero__figure .media-frame__media {
  aspect-ratio: 16 / 9;
}

.page-disclaimer .terms-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-disclaimer .terms-hero__figure .media-frame__cap {
  color: var(--mono-grey);
}

/* ---------- 布局：目录 + 条款 ---------- */
.page-disclaimer .terms-layout {
  display: grid;
  gap: 30px;
  padding-top: 34px;
}

/* ---------- 目录 ---------- */
.page-disclaimer .terms-toc {
  padding: 20px 18px 22px;
  background: var(--charcoal);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-disclaimer .terms-toc__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .terms-toc__hint {
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--mono-grey);
}

.page-disclaimer .terms-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-toc__link {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--cream);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-disclaimer .terms-toc__link:hover,
.page-disclaimer .terms-toc__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--cyan-a10);
}

.page-disclaimer .terms-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .terms-body {
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px);
  background-size: 100% 40px;
}

.page-disclaimer .clause {
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-disclaimer .clause__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px 14px;
  align-items: center;
  padding: 22px 4px;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid transparent;
  transition: background-color 140ms var(--ease);
}

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

.page-disclaimer .clause__summary::marker {
  content: "";
}

.page-disclaimer .clause__summary:hover {
  background: rgba(53, 227, 210, 0.05);
}

.page-disclaimer .clause[open] .clause__summary {
  border-bottom-color: var(--line-soft);
}

.page-disclaimer .clause__index {
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
  border: 1px solid var(--amber-a16);
  clip-path: var(--cut-sm);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(17px, 4.2vw, 21px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-disclaimer .clause__state {
  position: relative;
  justify-self: end;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
}

.page-disclaimer .clause__state::before,
.page-disclaimer .clause__state::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--cyan);
  transition: transform 140ms var(--ease), background-color 140ms var(--ease);
}

.page-disclaimer .clause__state::before {
  width: 8px;
  height: 1px;
}

.page-disclaimer .clause__state::after {
  width: 1px;
  height: 8px;
}

.page-disclaimer .clause[open] .clause__state::after {
  transform: scaleY(0);
}

.page-disclaimer .clause__content {
  padding: 18px 0 30px;
}

.page-disclaimer .clause__content p {
  max-width: 74ch;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(241, 231, 214, 0.86);
}

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

.page-disclaimer .clause__list {
  display: grid;
  gap: 10px;
  max-width: 74ch;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(241, 231, 214, 0.84);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .clause__list--deny li::before {
  background: var(--red);
}

.page-disclaimer .clause__list--deny {
  border-left: 1px solid var(--red-a18);
  padding-left: 14px;
}

.page-disclaimer .clause__list--allow {
  border-left: 1px solid var(--cyan-a24);
  padding-left: 14px;
}

.page-disclaimer .term-code {
  display: inline-block;
  margin: 0 3px 3px 0;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  background: var(--cyan-a10);
  border: 1px solid var(--cyan-a24);
  white-space: nowrap;
}

.page-disclaimer .term-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a24);
  transition: border-color 140ms var(--ease), color 140ms var(--ease);
}

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

/* ---------- 页尾提示带 ---------- */
.page-disclaimer .terms-band {
  display: grid;
  gap: 12px;
  margin-top: 46px;
  padding: 26px 22px 28px;
  background: linear-gradient(118deg, var(--umber), var(--charcoal) 58%, var(--ink-green));
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, calc(100% - 46px) 0, 100% 46px, 100% 100%, 0 100%);
}

.page-disclaimer .terms-band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-disclaimer .terms-band__text {
  max-width: 68ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(241, 231, 214, 0.88);
}

.page-disclaimer .terms-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-disclaimer .terms-backtop-wrap {
  margin: 20px 0 0;
  text-align: center;
}

.page-disclaimer .terms-backtop {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mono-grey);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-disclaimer .terms-backtop:hover,
.page-disclaimer .terms-backtop:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 平板：目录双列 ---------- */
@media (min-width: 560px) {
  .page-disclaimer .terms-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
  }
}

/* ---------- 桌面：非对称 3:9 分屏 + 吸附目录 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 9fr);
    gap: 52px;
    align-items: start;
    padding-top: 44px;
  }

  .page-disclaimer .terms-toc {
    position: sticky;
    top: 92px;
  }

  .page-disclaimer .terms-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .terms-hero {
    padding: 40px 0 48px;
  }

  .page-disclaimer .terms-hero__figure .media-frame__media {
    aspect-ratio: 3 / 1;
  }

  .page-disclaimer .terms-band {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "label actions"
      "text actions";
    align-items: center;
    column-gap: 34px;
    padding: 30px 34px 32px;
  }

  .page-disclaimer .terms-band__label {
    grid-area: label;
  }

  .page-disclaimer .terms-band__text {
    grid-area: text;
  }

  .page-disclaimer .terms-band__actions {
    grid-area: actions;
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause__state::before,
  .page-disclaimer .clause__state::after,
  .page-disclaimer .terms-toc__link,
  .page-disclaimer .term-link {
    transition: none;
  }
}