.page-disclaimer {
  position: relative;
  background:
    radial-gradient(1100px 560px at 92% -8%, rgba(32, 196, 201, .12), transparent 62%),
    radial-gradient(820px 480px at -6% 24%, rgba(226, 58, 46, .09), transparent 64%),
    var(--ink);
  color: var(--text);
  font-family: var(--font-body);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(147, 165, 187, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(147, 165, 187, .055) 1px, transparent 1px);
  background-size: 76px 76px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .92), transparent 46%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .92), transparent 46%);
}

.page-disclaimer > * {
  position: relative;
}

.page-disclaimer .breadcrumbs {
  padding-block: 26px 0;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .us-hero {
  padding-block: 0;
}

.page-disclaimer .us-hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  padding-block: 26px 40px;
}

.page-disclaimer .us-hero-main {
  grid-column: 1 / -1;
}

.page-disclaimer .us-hero-main h1 {
  margin: 16px 0 20px;
  font-size: clamp(2rem, 6.4vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  font-weight: 800;
  color: var(--white);
}

.page-disclaimer .us-hero-main .lede {
  margin: 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-disclaimer .us-hero-aside {
  grid-column: 1 / -1;
}

.page-disclaimer .us-meta {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .us-meta > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding-block: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-meta dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-disclaimer .us-meta dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--text);
}

.page-disclaimer .us-banner {
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
  border-top: 1px solid rgba(32, 196, 201, .5);
  border-bottom: 1px solid rgba(32, 196, 201, .16);
}

.page-disclaimer .us-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 索引 ---------- */

.page-disclaimer .us-index {
  margin-top: 0;
  padding-block: 44px 52px;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .us-index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 32px;
  margin-bottom: 26px;
}

.page-disclaimer .us-index-title {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.3;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--white);
}

.page-disclaimer .us-index-note {
  margin: 0;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .us-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-disclaimer .us-index-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-block: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  line-height: 1.5;
  transition: color .2s var(--ease);
}

.page-disclaimer .us-index-list li:last-child a {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-index-list a:hover,
.page-disclaimer .us-index-list a:focus-visible {
  color: var(--white);
}

.page-disclaimer .us-idx-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-disclaimer .us-idx-label {
  min-width: 0;
}

/* ---------- 条款章节 ---------- */

.page-disclaimer .us-sec {
  padding-block: 64px;
}

.page-disclaimer .us-rule {
  display: block;
  height: 1px;
  margin-bottom: 48px;
  background: linear-gradient(90deg, rgba(32, 196, 201, .88), rgba(32, 196, 201, .14) 62%, rgba(32, 196, 201, 0) 90%);
}

.page-disclaimer .us-sec-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.page-disclaimer .us-sec-head {
  grid-column: 1 / -1;
}

.page-disclaimer .us-sec-body {
  grid-column: 1 / -1;
}

.page-disclaimer .us-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--red);
  margin-bottom: 14px;
}

.page-disclaimer .us-num::after {
  content: "";
  display: block;
  width: 32px;
  height: 1px;
  margin-top: 14px;
  background: var(--red);
}

.page-disclaimer .us-sec-head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -.015em;
  font-weight: 700;
  color: var(--white);
}

.page-disclaimer .us-intro {
  margin: 0 0 32px;
  max-width: 54ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-disclaimer .us-intro a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .us-intro a:hover,
.page-disclaimer .us-intro a:focus-visible {
  color: var(--white);
}

.page-disclaimer .us-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .us-clauses > li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  padding-block: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .us-clauses > li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-cnum {
  font-family: var(--font-mono);
  font-size: .8125rem;
  line-height: 2.35;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-disclaimer .us-clauses p {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .us-clauses a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .us-clauses a:hover,
.page-disclaimer .us-clauses a:focus-visible {
  color: var(--white);
}

/* ---------- 联系与反馈 ---------- */

.page-disclaimer .us-contact-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-disclaimer .us-contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-block: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .us-contact-list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-contact-key {
  flex: none;
  min-width: 78px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-disclaimer .us-contact-val {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-disclaimer .copy-btn {
  flex: none;
  border: 1px solid rgba(32, 196, 201, .5);
  border-radius: 2px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  padding: 5px 12px;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .copy-btn:hover,
.page-disclaimer .copy-btn:focus-visible {
  background: rgba(32, 196, 201, .12);
  color: var(--white);
}

.page-disclaimer .copy-btn.is-copied {
  border-color: var(--cyan);
  background: rgba(32, 196, 201, .18);
  color: var(--white);
}

.page-disclaimer .us-note {
  margin: 0 0 32px;
  max-width: 54ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-disclaimer .us-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .us-links li {
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .us-links li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-links a {
  display: block;
  padding-block: 14px;
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  font-size: 1rem;
  line-height: 1.6;
  transition: color .2s var(--ease);
}

.page-disclaimer .us-links a:hover,
.page-disclaimer .us-links a:focus-visible {
  color: var(--white);
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .page-disclaimer .us-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-disclaimer .us-meta > div {
    grid-template-columns: 104px minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-disclaimer .us-hero-grid {
    padding-block: 40px 56px;
    gap: 24px 0;
  }

  .page-disclaimer .us-hero-main {
    grid-column: 1 / 9;
  }

  .page-disclaimer .us-hero-aside {
    grid-column: 9 / -1;
    align-self: end;
    padding-left: 24px;
  }

  .page-disclaimer .us-hero-main h1 {
    max-width: 15ch;
  }

  .page-disclaimer .us-sec {
    padding-block: 72px;
  }

  .page-disclaimer .us-sec-head {
    grid-column: 1 / 4;
    position: sticky;
    top: 92px;
    align-self: start;
    padding-bottom: 8px;
  }

  .page-disclaimer .us-sec-body {
    grid-column: 4 / 10;
  }

  .page-disclaimer .us-rule {
    margin-bottom: 60px;
  }

  .page-disclaimer .us-clauses > li {
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 18px;
    padding-block: 18px;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .us-sec-body {
    grid-column: 4 / 11;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .us-index-list a,
  .page-disclaimer .us-links a,
  .page-disclaimer .copy-btn {
    transition: none;
  }
}