.page-disclaimer {
  --term-bg: rgba(28, 36, 52, 0.38);
  --term-bg-open: rgba(28, 36, 52, 0.62);
  --term-pad: clamp(16px, 3.4vw, 24px);
  --term-gap: 24px;
  background: var(--ink);
  color: var(--warm);
  padding-bottom: clamp(40px, 8vw, 88px);
}

/* ---------- 首屏说明区 ---------- */
.page-disclaimer .terms-hero {
  padding: clamp(24px, 5vw, 48px) 0 0;
}

.page-disclaimer .terms-hero__eyebrow {
  margin: 18px 0 12px;
  color: var(--standby);
}

.page-disclaimer .terms-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 8.5vw, 56px);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-disclaimer .terms-hero__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 18px;
  background: var(--chili);
}

.page-disclaimer .terms-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 4vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .terms-banner {
  margin: clamp(24px, 5vw, 40px) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-disclaimer .terms-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 520;
  object-fit: cover;
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .terms-body {
  padding-top: clamp(28px, 5vw, 44px);
}

.page-disclaimer .term-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0 0 var(--term-gap);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .term-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--term-bg);
  color: var(--warm);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-disclaimer .term-index__link:hover,
.page-disclaimer .term-index__link:focus-visible {
  border-color: var(--chili);
  background: var(--term-bg-open);
  transform: translateX(2px);
}

.page-disclaimer .term-index__link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-disclaimer .term-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--chili);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .term-index__text {
  min-width: 0;
}

/* ---------- 条款块 ---------- */
.page-disclaimer .term-list {
  display: grid;
  gap: var(--term-gap);
}

.page-disclaimer .term {
  border: 1px solid var(--line);
  background: var(--term-bg);
  scroll-margin-top: 104px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-disclaimer .term[open] {
  background: var(--term-bg-open);
  border-color: var(--line-strong);
}

.page-disclaimer .term__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: var(--term-pad);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .term__head:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-disclaimer .term__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--chili);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .term__num::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-top: 7px;
  background: var(--chili);
}

.page-disclaimer .term__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.6vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-disclaimer .term__toggle {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  align-self: center;
}

.page-disclaimer .term__toggle::before,
.page-disclaimer .term__toggle::after {
  content: "";
  position: absolute;
  background: var(--standby);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-disclaimer .term__toggle::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-disclaimer .term__toggle::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

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

.page-disclaimer .term[open] .term__toggle::before {
  background: var(--chili);
}

.page-disclaimer .term__body {
  padding: 0 var(--term-pad) calc(var(--term-pad) + 4px);
}

.page-disclaimer .term[open] .term__body {
  margin-top: 2px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .term__lead {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--warm);
}

.page-disclaimer .term__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .term__list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .term__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 10px;
  height: 1px;
  background: var(--chili);
}

.page-disclaimer .term__list a {
  color: var(--warm);
  text-decoration: underline;
  text-decoration-color: var(--pitch);
  text-underline-offset: 3px;
}

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

/* ---------- 引用示例 ---------- */
.page-disclaimer .cite-sample {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 2px solid var(--pitch);
  background: rgba(47, 174, 99, 0.08);
}

.page-disclaimer .cite-sample__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pitch);
}

.page-disclaimer .cite-sample__text {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--warm);
  word-break: break-word;
}

/* ---------- 联系方式块 ---------- */
.page-disclaimer .contact-block {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
}

.page-disclaimer .contact-block__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.65;
}

.page-disclaimer .contact-block__key {
  flex: 0 0 auto;
  min-width: 70px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--standby);
}

.page-disclaimer .contact-block__val {
  min-width: 0;
  color: var(--warm);
}

.page-disclaimer .contact-block__val--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

/* ---------- 底部指引带 ---------- */
.page-disclaimer .terms-cta {
  margin-top: clamp(36px, 7vw, 64px);
  padding: clamp(28px, 6vw, 48px) 0;
  border-top: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-disclaimer .terms-cta__inner {
  display: grid;
  gap: 22px;
}

.page-disclaimer .terms-cta__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pitch);
}

.page-disclaimer .terms-cta__text {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-disclaimer .term-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-disclaimer .terms-cta__inner {
    grid-template-columns: minmax(0, 1.7fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-disclaimer .terms-cta__actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .term-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .term-index__link {
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px;
  }

  .page-disclaimer .term__lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .term-index__link,
  .page-disclaimer .term,
  .page-disclaimer .term__toggle::before,
  .page-disclaimer .term__toggle::after {
    transition: none;
  }

  .page-disclaimer .term-index__link:hover,
  .page-disclaimer .term-index__link:focus-visible {
    transform: none;
  }
}