.page-disclaimer {
  --disc-gap: clamp(30px, 4.6vw, 52px);
  --disc-rail: clamp(28px, 6vw, 96px);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-disclaimer .shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: clamp(20px, 3vw, 32px);
}

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

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

.page-disclaimer .breadcrumb a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  padding-top: clamp(96px, 14vw, 168px);
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent 72%);
  opacity: 0.45;
}

.page-disclaimer .disc-kicker {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .disc-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.05rem, 6vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: 0.015em;
  color: var(--text);
}

.page-disclaimer .disc-lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text);
  opacity: 0.86;
}

/* 章节索引 */
.page-disclaimer .disc-index {
  display: flex;
  gap: 10px;
  margin-top: clamp(24px, 4vw, 40px);
  padding-block: 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .disc-index a {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-disclaimer .disc-index a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-disclaimer .disc-index a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 首图 */
.page-disclaimer .disc-figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-raised);
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(1.05);
}

/* 条款章节 */
.page-disclaimer .disc-sec {
  padding-block: var(--disc-gap);
  border-top: 1px solid var(--line);
  scroll-margin-top: 104px;
}

.page-disclaimer .disc-sec:first-of-type {
  border-top: 0;
}

.page-disclaimer .disc-sec-head {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-disclaimer .disc-num {
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-disclaimer .disc-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.42rem, 2.6vw, 1.95rem);
  line-height: 1.22;
  letter-spacing: 0.012em;
  color: var(--text);
}

.page-disclaimer .disc-body p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-disclaimer .disc-body ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 68ch;
}

.page-disclaimer .disc-body li {
  position: relative;
  padding-left: 20px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .disc-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .disc-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-disclaimer .disc-body a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-body a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 重点声明底纹块 */
.page-disclaimer .disc-note {
  margin-top: clamp(18px, 3vw, 26px);
  max-width: 68ch;
  padding: 16px 18px 16px 20px;
  border-left: 3px solid var(--orange);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(58, 14, 30, 0.92), rgba(10, 42, 33, 0.6));
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-disclaimer .disc-note strong {
  color: var(--amber);
  font-weight: 600;
}

.page-disclaimer .disc-note:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-disclaimer .disc-note:hover {
  border-left-color: var(--cyan);
}

/* 联系方式条目 */
.page-disclaimer .disc-pairs {
  margin: clamp(18px, 3vw, 26px) 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: 68ch;
}

.page-disclaimer .disc-pair {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bg-raised);
}

.page-disclaimer .disc-pair dt {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .disc-pair dd {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-disclaimer .disc-pair:nth-child(5) dd {
  font-family: var(--font-num);
  color: var(--amber);
}

/* 页尾收束色带 */
.page-disclaimer .disc-end {
  margin-top: clamp(40px, 6vw, 76px);
  padding-block: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(155deg, var(--indigo), var(--bg) 58%);
}

.page-disclaimer .disc-end-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-disclaimer .disc-end-label {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .disc-end-version,
.page-disclaimer .disc-end-icp,
.page-disclaimer .disc-end-mail {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  line-height: 1.35;
  word-break: break-word;
}

.page-disclaimer .disc-end-version {
  color: var(--amber);
}

.page-disclaimer .disc-end-icp {
  color: var(--text);
}

.page-disclaimer .disc-end-mail {
  color: var(--cyan);
}

.page-disclaimer .disc-end-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .disc-end-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(24px, 3.5vw, 36px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-end-links a {
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
  padding-block: 4px;
}

.page-disclaimer .disc-end-links a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-end-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 中屏 */
@media (min-width: 700px) {
  .page-disclaimer .disc-end-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disc-pair {
    grid-template-columns: 176px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* 大屏：编号与标题成为左侧栏 */
@media (min-width: 1024px) {
  .page-disclaimer .disc-sec {
    display: grid;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-disclaimer .disc-sec-head {
    position: sticky;
    top: 116px;
    grid-template-columns: 3.1rem minmax(0, 1fr);
    margin-bottom: 0;
  }

  .page-disclaimer .disc-hero h1 {
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index a,
  .page-disclaimer .disc-note,
  .page-disclaimer .disc-body a,
  .page-disclaimer .disc-end-links a {
    transition: none;
  }

  .page-disclaimer .disc-index a:hover {
    transform: none;
  }
}