.page-disclaimer {
  --disc-rule: rgba(42, 93, 122, .45);
  --disc-rule-soft: rgba(42, 93, 122, .28);
  --disc-body: rgba(244, 247, 248, .86);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ash);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-disclaimer .breadcrumb a {
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-disclaimer .breadcrumb span[aria-current] {
  color: var(--paper);
}

/* 首屏 */
.page-disclaimer .terms-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink-2);
  border-bottom: 3px solid var(--steel);
}

.page-disclaimer .terms-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: grayscale(.35) saturate(.55);
  z-index: 0;
}

.page-disclaimer .terms-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    repeating-linear-gradient(90deg, rgba(42, 93, 122, .22) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(42, 93, 122, .14) 0 1px, transparent 1px 64px),
    linear-gradient(105deg, rgba(6, 24, 38, .98) 0%, rgba(6, 24, 38, .9) 52%, rgba(10, 34, 51, .7) 100%);
}

.page-disclaimer .terms-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(18px, 3.5vw, 34px);
  padding-bottom: clamp(34px, 6vw, 76px);
}

.page-disclaimer .terms-hero__copy {
  margin-top: clamp(22px, 4vw, 44px);
  max-width: 780px;
}

.page-disclaimer .terms-hero__title {
  font-family: var(--font-display);
  font-size: clamp(42px, 9vw, 86px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.012em;
  margin: 12px 0 18px;
  color: var(--paper);
}

.page-disclaimer .terms-hero__lede {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .terms-hero__meta {
  margin: 0;
  padding-top: 16px;
  border-top: 2px solid var(--disc-rule);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mint);
  overflow-wrap: anywhere;
}

/* 主体布局 */
.page-disclaimer .terms-shell {
  padding-top: clamp(30px, 5vw, 60px);
  padding-bottom: clamp(38px, 6vw, 80px);
}

.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-disclaimer .terms-body {
  min-width: 0;
}

/* 侧边目录 */
.page-disclaimer .terms-nav {
  border: 2px solid var(--line);
  background: var(--ink-2);
  padding: 16px 16px 18px;
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .terms-nav__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mint);
}

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

.page-disclaimer .terms-nav__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}

.page-disclaimer .terms-nav__list a:hover,
.page-disclaimer .terms-nav__list a:focus-visible {
  background: rgba(41, 242, 194, .08);
  border-left-color: var(--mint);
  color: var(--mint);
}

.page-disclaimer .terms-nav__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--coral);
}

/* 条款分节 */
.page-disclaimer .terms-sec {
  --sec-accent: var(--mint);
  position: relative;
  margin: 0 0 14px;
  border: 2px solid var(--line);
  border-left: 5px solid var(--sec-accent);
  background: var(--ink-2);
  scroll-margin-top: 90px;
}

.page-disclaimer .terms-sec--coral {
  --sec-accent: var(--coral);
}

.page-disclaimer .terms-sec:target {
  box-shadow: 0 0 0 2px var(--mint);
}

.page-disclaimer .terms-sec__head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  background: var(--ink-3);
}

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

.page-disclaimer .terms-sec__head:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -3px;
}

.page-disclaimer .terms-sec[open] > .terms-sec__head {
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .terms-sec__no {
  flex: none;
  min-width: 34px;
  padding: 4px 6px;
  text-align: center;
  background: var(--sec-accent);
  color: var(--score);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-disclaimer .terms-sec__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .terms-sec__chevron {
  flex: none;
  width: 10px;
  height: 10px;
  margin-left: 4px;
  border-right: 2px solid var(--ash);
  border-bottom: 2px solid var(--ash);
  transform: rotate(45deg);
  transition: transform .18s ease;
}

.page-disclaimer .terms-sec[open] .terms-sec__chevron {
  transform: rotate(-135deg);
}

.page-disclaimer .terms-sec__body {
  padding: 20px 18px 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .terms-sec__body p {
  margin: 0 0 14px;
  max-width: 68ch;
}

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

.page-disclaimer .terms-sec__body a:not(.btn) {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 242, 194, .45);
  transition: border-color .16s ease, color .16s ease;
}

.page-disclaimer .terms-sec__body a:not(.btn):hover,
.page-disclaimer .terms-sec__body a:not(.btn):focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-disclaimer .terms-sec__body h4 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

/* 条目列表 */
.page-disclaimer .terms-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
  max-width: 68ch;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 20px;
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  background: var(--mint);
}

/* 可用 / 避免 对照 */
.page-disclaimer .terms-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.page-disclaimer .terms-split__col {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--score);
  padding: 14px 16px 16px;
}

.page-disclaimer .terms-split__col--ok {
  border-top: 3px solid var(--mint);
}

.page-disclaimer .terms-split__col--no {
  border-top: 3px solid var(--coral);
}

.page-disclaimer .terms-split__col--ok h4 {
  color: var(--mint);
}

.page-disclaimer .terms-split__col--no h4 {
  color: var(--coral);
}

.page-disclaimer .terms-split__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.7;
}

.page-disclaimer .terms-split__col li {
  position: relative;
  padding-left: 16px;
  color: var(--disc-body);
}

.page-disclaimer .terms-split__col li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ash);
}

/* 联系方式卡片 */
.page-disclaimer .terms-callout {
  margin-top: 20px;
  border: 2px solid var(--steel);
  background: var(--ink-3);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .terms-callout__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-disclaimer .terms-callout__mail {
  margin: 0 0 10px;
  font-size: clamp(15px, 3.4vw, 20px);
  font-weight: 700;
  color: var(--mint);
  overflow-wrap: anywhere;
}

.page-disclaimer .terms-callout__note {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--disc-body);
}

.page-disclaimer .terms-callout__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .terms-callout__actions .btn {
  text-decoration: none;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 52px;
  }

  .page-disclaimer .terms-nav {
    position: sticky;
    top: 20px;
    padding: 20px 18px 22px;
  }

  .page-disclaimer .terms-sec__head {
    padding: 18px 22px;
  }

  .page-disclaimer .terms-sec__body {
    padding: 22px 26px 28px;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .terms-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-sec__chevron,
  .page-disclaimer .terms-nav__list a,
  .page-disclaimer .terms-sec__body a:not(.btn),
  .page-disclaimer .breadcrumb a {
    transition: none;
  }
}
<<<END>>>