.page-disclaimer {
  --rule-width: 46ch;
  --chapter-indent: clamp(0px, 7vw, 118px);
  --case-edge: clamp(44px, 8vw, 88px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .terms-hero {
  padding-top: clamp(20px, 3.4vw, 44px);
}

.page-disclaimer .terms-hero__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 52px);
}

.page-disclaimer .terms-hero .breadcrumbs {
  margin-bottom: clamp(4px, 1vw, 12px);
}

.page-disclaimer .terms-hero__grid {
  align-items: end;
  row-gap: clamp(32px, 5vw, 60px);
}

.page-disclaimer .terms-hero__copy .display-1 {
  max-width: 15ch;
  line-height: 0.94;
  margin: clamp(14px, 2vw, 22px) 0 clamp(16px, 2.4vw, 26px);
}

.page-disclaimer .terms-hero__copy .lede {
  max-width: 46ch;
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: clamp(20px, 2.6vw, 32px);
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--grid-line);
}

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

.page-disclaimer .terms-hero__media {
  aspect-ratio: 2 / 1;
  border: 1px solid var(--grid-line);
}

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

.page-disclaimer .terms-hero__figure::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: clamp(46px, 8vw, 90px);
  height: clamp(46px, 8vw, 90px);
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: translate(6px, 6px);
  pointer-events: none;
  opacity: 0.7;
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .terms-index {
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(24px, 3vw, 44px);
}

.page-disclaimer .terms-index__label {
  display: block;
  margin-bottom: clamp(16px, 2vw, 24px);
  color: var(--text-2);
}

.page-disclaimer .terms-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-disclaimer .terms-index__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  background: var(--grid-faint);
  border: 1px solid var(--grid-line);
  border-left: 2px solid var(--cyan);
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-disclaimer .terms-index__link:hover,
.page-disclaimer .terms-index__link:focus-visible {
  border-left-color: var(--orange);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-disclaimer .terms-index__num {
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.page-disclaimer .terms-index__name {
  line-height: 1.4;
}

/* ---------- 章节主体 ---------- */
.page-disclaimer .terms-body {
  padding-top: clamp(24px, 3vw, 40px);
  padding-bottom: clamp(56px, 7vw, 100px);
}

.page-disclaimer .terms-chapter {
  display: block;
  margin: 0;
}

.page-disclaimer .terms-chapter + .terms-chapter::before {
  content: "";
  display: block;
  height: 1px;
  margin: clamp(44px, 6vw, 76px) 0;
  background: linear-gradient(90deg, transparent, var(--grid-line) 10%, var(--cyan) 50%, var(--grid-line) 90%, transparent);
  opacity: 0.5;
  transform: rotate(-1.4deg);
  transform-origin: left center;
}

.page-disclaimer .terms-chapter__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: clamp(12px, 2.4vw, 26px);
  cursor: pointer;
  list-style: none;
  padding: 0;
  outline-offset: 6px;
}

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

.page-disclaimer .terms-chapter__num {
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.02em;
  color: var(--cyan);
  display: block;
}

.page-disclaimer .terms-chapter__title {
  margin: 0;
  color: var(--text);
}

.page-disclaimer .terms-chapter__cue {
  width: 13px;
  height: 13px;
  border-right: 2px solid var(--text-2);
  border-bottom: 2px solid var(--text-2);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
  align-self: center;
}

.page-disclaimer .terms-chapter[open] .terms-chapter__cue {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-disclaimer .terms-chapter__head:hover .terms-chapter__cue {
  border-color: var(--orange);
}

.page-disclaimer .terms-chapter__body {
  max-width: var(--rule-width);
  margin-left: var(--chapter-indent);
  padding-top: clamp(18px, 2.4vw, 30px);
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.78;
}

.page-disclaimer .terms-chapter__body p {
  margin: 0 0 1.1em;
}

.page-disclaimer .terms-chapter__body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .terms-chapter__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 217, 210, 0.4);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-disclaimer .terms-chapter__body a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 要点列表 ---------- */
.page-disclaimer .terms-list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 24px;
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--cyan);
  opacity: 0.85;
}

/* ---------- 三种使用情形 ---------- */
.page-disclaimer .terms-cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-disclaimer .terms-case {
  position: relative;
  padding: 22px 20px 26px;
  background: var(--panel);
  border: 1px solid var(--grid-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--case-edge) / 4), calc(100% - var(--case-edge) / 4) 100%, 0 100%);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-disclaimer .terms-case::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
}

.page-disclaimer .terms-case--a::before {
  background: var(--cyan);
}

.page-disclaimer .terms-case--b::before {
  background: var(--amber);
}

.page-disclaimer .terms-case--c::before {
  background: var(--violet);
}

.page-disclaimer .terms-case:hover {
  border-color: rgba(43, 217, 210, 0.55);
  transform: translateY(-4px);
}

.page-disclaimer .terms-case__kicker {
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-2);
}

.page-disclaimer .terms-case__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.15;
}

.page-disclaimer .terms-case__text {
  margin: 0 0 18px;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--text-2);
}

.page-disclaimer .terms-case__status {
  margin: 0;
  font-size: 0.8rem;
}

/* ---------- 收口区 ---------- */
.page-disclaimer .terms-cta {
  padding-bottom: clamp(72px, 9vw, 130px);
}

.page-disclaimer .terms-cta__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(26px, 3.4vw, 44px) clamp(22px, 3vw, 40px);
  background: linear-gradient(118deg, rgba(122, 92, 255, 0.16), rgba(43, 217, 210, 0.1) 58%, rgba(255, 106, 43, 0.12));
  border: 1px solid rgba(122, 92, 255, 0.3);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-disclaimer .terms-cta__copy .eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--amber);
}

.page-disclaimer .terms-cta__text {
  margin: 0;
  max-width: 44ch;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer .terms-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .terms-outro {
  min-height: clamp(120px, 14vw, 180px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .terms-index__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .terms-index__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .terms-cases {
    grid-template-columns: 1.04fr 1fr 0.96fr;
    align-items: start;
  }

  .page-disclaimer .terms-case--b {
    margin-top: 16px;
  }

  .page-disclaimer .terms-case--c {
    margin-top: 32px;
  }

  .page-disclaimer .terms-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-disclaimer .terms-cta__actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .terms-index__list {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 520px) {
  .page-disclaimer .terms-chapter__head {
    grid-template-columns: auto 1fr;
  }

  .page-disclaimer .terms-chapter__cue {
    grid-column: 2;
    justify-self: start;
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index__link,
  .page-disclaimer .terms-case,
  .page-disclaimer .terms-chapter__cue {
    transition: none;
  }
}