.page-disclaimer {
  --disc-card: #0C2138;
  --disc-line: rgba(168, 184, 200, 0.18);
  --disc-body: rgba(244, 235, 221, 0.82);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ── 页头 ───────────────────────────────────── */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 56px) clamp(44px, 7vw, 84px);
  background: linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 68%);
}

.page-disclaimer .disc-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .disc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-disclaimer .disc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg,
    rgba(7, 20, 38, 0.97) 34%,
    rgba(7, 20, 38, 0.76) 64%,
    rgba(30, 127, 107, 0.38) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 40px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-disclaimer .disc-hero .crumbs a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-disclaimer .disc-hero .crumbs a:hover,
.page-disclaimer .disc-hero .crumbs a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-disclaimer .disc-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-disclaimer .disc-hero__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: 15ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 7.2vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-hero .lede {
  max-width: 56ch;
  margin: 0 0 clamp(22px, 4vw, 34px);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.76;
  color: var(--disc-body);
}

.page-disclaimer .disc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-chips li {
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: rgba(12, 33, 56, 0.62);
  border: 1px solid var(--disc-line);
  border-radius: 999px;
}

.page-disclaimer .disc-chips li:nth-child(2) {
  color: var(--signal);
  border-color: rgba(41, 242, 176, 0.5);
}

.page-disclaimer .disc-chips li:nth-child(3) {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.5);
}

/* ── 章节索引 ───────────────────────────────── */
.page-disclaimer .disc-index {
  padding-block: clamp(26px, 4vw, 46px);
  background: var(--ink-2);
  border-block: 1px solid var(--disc-line);
}

.page-disclaimer .disc-index__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.page-disclaimer .disc-index__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-disclaimer .disc-rule {
  display: none;
  flex: 0 0 auto;
  width: clamp(140px, 40%, 420px);
  height: auto;
  color: var(--slate);
}

.page-disclaimer .disc-rule__dot {
  fill: var(--signal);
}

.page-disclaimer .disc-index__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  background: rgba(7, 20, 38, 0.42);
  border-left: 3px solid transparent;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible {
  background: rgba(41, 242, 176, 0.1);
  border-left-color: var(--signal);
  color: var(--signal);
}

.page-disclaimer .disc-index__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

/* ── 章节卡片流 ─────────────────────────────── */
.page-disclaimer .disc-flow {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(32px, 6vw, 72px) var(--gutter);
}

.page-disclaimer .disc-chapter {
  position: relative;
  padding: clamp(22px, 4vw, 40px);
  background: var(--disc-card);
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-card);
  scroll-margin-top: 88px;
  transition: border-color var(--ease), transform var(--ease);
}

.page-disclaimer .disc-chapter:hover {
  border-color: rgba(41, 242, 176, 0.34);
}

.page-disclaimer .disc-chapter__bar {
  display: block;
  width: 44px;
  height: 3px;
  margin-bottom: 16px;
  border-radius: 2px;
  background: var(--signal);
}

.page-disclaimer .disc-chapter__bar--orange { background: var(--orange); }
.page-disclaimer .disc-chapter__bar--amber { background: var(--amber); }
.page-disclaimer .disc-chapter__bar--brown { background: var(--brown); }

.page-disclaimer .disc-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .disc-chapter__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-disclaimer .disc-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.12;
  color: var(--paper);
}

.page-disclaimer .disc-chapter p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--disc-body);
}

.page-disclaimer .disc-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--disc-line);
}

.page-disclaimer .disc-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 1.66;
  color: rgba(244, 235, 221, 0.76);
}

.page-disclaimer .disc-points li::before {
  content: "—";
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.95;
  color: var(--signal);
}

/* 可展开的补充说明 */
.page-disclaimer .disc-details {
  margin-top: 18px;
  background: rgba(7, 20, 38, 0.5);
  border: 1px solid var(--disc-line);
  border-radius: 4px 14px 4px 4px;
}

.page-disclaimer .disc-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--signal);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .disc-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .disc-details[open] summary::after {
  content: "−";
}

.page-disclaimer .disc-details summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.page-disclaimer .disc-details__body {
  padding: 0 16px 16px;
}

.page-disclaimer .disc-details__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 235, 221, 0.76);
}

/* 暖纸章节 */
.page-disclaimer .disc-chapter--paper {
  --disc-line: rgba(125, 90, 60, 0.26);
  background: var(--paper);
  border-color: var(--paper-2);
}

.page-disclaimer .disc-chapter--paper .disc-chapter__title {
  color: var(--ink);
}

.page-disclaimer .disc-chapter--paper p {
  color: #26394d;
}

.page-disclaimer .disc-chapter--paper .disc-chapter__num {
  color: var(--teal-deep);
}

.page-disclaimer .disc-chapter--paper .disc-points li {
  color: #2c3f52;
}

.page-disclaimer .disc-chapter--paper .disc-points li::before {
  color: var(--brown);
}

.page-disclaimer .disc-chapter--paper .disc-details {
  background: rgba(232, 222, 201, 0.55);
}

.page-disclaimer .disc-chapter--paper .disc-details summary {
  color: var(--teal-deep);
}

.page-disclaimer .disc-chapter--paper .disc-details__body p {
  color: #2c3f52;
}

/* ── 收尾行动区 ─────────────────────────────── */
.page-disclaimer .disc-cta {
  padding-block: clamp(36px, 6vw, 78px);
  background: linear-gradient(118deg, var(--ink-2) 0%, var(--ink) 78%);
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disc-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-disclaimer .disc-cta__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-disclaimer .disc-cta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.08;
  color: var(--paper);
}

.page-disclaimer .disc-cta__copy p {
  max-width: 52ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--disc-body);
}

.page-disclaimer .disc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .disc-cta__link {
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--ease), border-color var(--ease);
}

.page-disclaimer .disc-cta__link:hover,
.page-disclaimer .disc-cta__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-disclaimer .disc-backtop {
  padding: 18px var(--gutter) 28px;
  max-width: var(--maxw);
  margin-inline: auto;
  text-align: right;
}

/* ── 断点 ───────────────────────────────────── */
@media (min-width: 700px) {
  .page-disclaimer .disc-rule {
    display: block;
  }

  .page-disclaimer .disc-index__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 8px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__inner {
    max-width: var(--maxw);
  }

  .page-disclaimer .disc-flow {
    gap: clamp(20px, 2.2vw, 32px);
  }

  .page-disclaimer .disc-chapter {
    width: min(100%, 88%);
  }

  .page-disclaimer .disc-chapter:nth-child(even) {
    margin-inline-start: auto;
  }

  .page-disclaimer .disc-chapter--paper {
    width: min(100%, 84%);
  }

  .page-disclaimer .disc-cta__inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }

  .page-disclaimer .disc-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .disc-index__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .disc-chapter {
    width: min(100%, 82%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-chapter,
  .page-disclaimer .disc-index__list a,
  .page-disclaimer .disc-cta__link {
    transition: none;
  }
}