.page-disclaimer {
  --dm-rule: rgba(23, 57, 90, 0.8);
  --dm-grid: rgba(23, 57, 90, 0.22);
  --dm-body: #C9D8E6;
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, var(--dm-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--dm-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--snow);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dm-hero {
  position: relative;
  padding: clamp(24px, 4vw, 52px) 0 clamp(22px, 3vw, 38px);
}

.page-disclaimer .dm-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--orange) 0 96px, var(--dm-rule) 96px 100%);
}

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

.page-disclaimer .dm-hero-copy .eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.page-disclaimer .dm-hero-copy h1 {
  margin: 0 0 16px;
  font-size: clamp(1.9rem, 5.2vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-disclaimer .dm-hero-copy .lead {
  margin: 0;
  max-width: 46ch;
  color: var(--dm-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-disclaimer .dm-hero-figure {
  margin: 0;
  position: relative;
}

.page-disclaimer .dm-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-disclaimer .dm-hero-figure::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 64px;
  height: 64px;
  border-top: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
  pointer-events: none;
}

/* ---------- 主体两栏 ---------- */
.page-disclaimer .dm-layout {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  padding: clamp(26px, 4vw, 48px) 0 clamp(48px, 7vw, 88px);
}

/* ---------- 左侧锚点目录 ---------- */
.page-disclaimer .dm-toc {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--orange);
}

.page-disclaimer .dm-toc-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-disclaimer .dm-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--dm-body);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}

.page-disclaimer .dm-toc-link:hover,
.page-disclaimer .dm-toc-link:focus-visible {
  background: var(--panel);
  color: var(--snow);
}

.page-disclaimer .dm-toc-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-disclaimer .dm-toc-num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--green);
}

/* ---------- 右侧条目流 ---------- */
.page-disclaimer .dm-body {
  min-width: 0;
}

.page-disclaimer .dm-section {
  padding: clamp(20px, 3vw, 32px) 0;
  border-top: 1px solid var(--dm-rule);
  scroll-margin-top: 110px;
}

.page-disclaimer .dm-section:first-child {
  border-top-color: var(--orange);
}

.page-disclaimer .dm-section.is-active .dm-sec-num {
  color: var(--orange);
}

.page-disclaimer .dm-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-disclaimer .dm-sec-num {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
  transition: color var(--dur) ease;
}

.page-disclaimer .dm-sec-head h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.6vw, 1.65rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--snow);
}

.page-disclaimer .dm-entries {
  display: grid;
  gap: 14px;
}

.page-disclaimer .dm-entry {
  position: relative;
  padding: 2px 0 2px 18px;
  border-left: 1px solid var(--dm-rule);
}

.page-disclaimer .dm-entry::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-disclaimer .dm-entry .dm-entry-key {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-disclaimer .dm-entry p {
  margin: 0;
  color: var(--dm-body);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-disclaimer .dm-entry p + p {
  margin-top: 6px;
}

.page-disclaimer .dm-entry a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 184, 77, 0.45);
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

.page-disclaimer .dm-entry a:hover,
.page-disclaimer .dm-entry a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 返回目录 ---------- */
.page-disclaimer .dm-backtop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-bottom: 2px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

.page-disclaimer .dm-backtop::before {
  content: "\2191";
  font-size: 12px;
}

.page-disclaimer .dm-backtop:hover,
.page-disclaimer .dm-backtop:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-disclaimer .dm-backtop:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 差错反馈引导条 ---------- */
.page-disclaimer .dm-alert {
  position: relative;
  display: grid;
  gap: 16px;
  margin: clamp(24px, 3.5vw, 44px) 0;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.8vw, 30px);
  background: linear-gradient(102deg, rgba(200, 50, 60, 0.2) 0%, rgba(16, 42, 66, 0.94) 58%, rgba(13, 35, 56, 0.94) 100%);
  border-left: 4px solid var(--saffron);
  border-top: 1px solid var(--dm-rule);
  border-bottom: 1px solid var(--dm-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  scroll-margin-top: 110px;
}

.page-disclaimer .dm-alert-key {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-disclaimer .dm-alert-text {
  margin: 8px 0 0;
  max-width: 62ch;
  color: var(--snow);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-disclaimer .dm-alert-btn {
  justify-self: start;
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dm-alert {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .dm-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dm-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .dm-toc {
    position: sticky;
    top: 104px;
  }
}