.page-disclaimer {
  --doc-rule: rgba(123, 247, 220, .15);
  --doc-rule-strong: rgba(35, 240, 199, .34);
  --doc-num-ink: rgba(35, 240, 199, .9);
  position: relative;
  padding-block: clamp(22px, 4vw, 52px) clamp(56px, 8vw, 120px);
  background:
    radial-gradient(1100px 620px at 88% -12%, rgba(35, 240, 199, .075), transparent 62%),
    radial-gradient(760px 500px at -6% 108%, rgba(43, 46, 107, .30), transparent 66%);
  color: var(--scoreboard-ivory);
}

/* ---------- 首屏手册封面 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(14px, 2vw, 22px);
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--net-line);
  background: linear-gradient(155deg, rgba(15, 46, 38, .92) 0%, rgba(10, 31, 26, .74) 62%, rgba(43, 46, 107, .22) 100%);
  overflow: hidden;
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(28, 68, 56, .6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 68, 56, .6) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: .32;
  pointer-events: none;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 82px;
  height: 2px;
  background: var(--floodlight-cyan);
}

.page-disclaimer .doc-hero-copy {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-hero-title {
  margin: .35em 0 .55em;
  font-size: clamp(27px, 5.2vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--scoreboard-ivory);
}

.page-disclaimer .doc-hero-lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.88;
  color: var(--ink-mute);
}

.page-disclaimer .doc-hero-meta {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 14px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-hero-meta li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}

.page-disclaimer .doc-meta-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  opacity: .85;
}

.page-disclaimer .doc-meta-val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-disclaimer .doc-meta-val a {
  color: var(--floodlight-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--doc-rule-strong);
}

.page-disclaimer .doc-hero-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border: 1px solid var(--net-line);
  background: var(--turf-shadow);
  overflow: hidden;
}

.page-disclaimer .doc-hero-figure .media-frame-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.9);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .doc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(24px, 3.2vw, 38px);
}

.page-disclaimer .doc-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--net-line);
  color: var(--cyan-soft);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .doc-index a > span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--floodlight-cyan);
}

.page-disclaimer .doc-index a:hover,
.page-disclaimer .doc-index a:focus-visible {
  border-color: var(--floodlight-cyan);
  background: var(--cyan-veil);
  color: var(--scoreboard-ivory);
}

/* ---------- 手册分节 ---------- */
.page-disclaimer .doc-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-block: clamp(26px, 3.6vw, 46px);
  border-top: 1px solid var(--doc-rule);
  scroll-margin-top: clamp(72px, 9vw, 120px);
}

.page-disclaimer .doc-section:first-of-type {
  margin-top: clamp(16px, 2vw, 24px);
}

.page-disclaimer .doc-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 700;
  line-height: .95;
  letter-spacing: .02em;
  color: var(--doc-num-ink);
  opacity: .88;
  transition: color .24s var(--ease), text-shadow .24s var(--ease);
}

.page-disclaimer .doc-section.is-current .doc-num {
  color: var(--floodlight-cyan);
  text-shadow: 0 0 20px rgba(35, 240, 199, .42);
}

.page-disclaimer .doc-title {
  margin: 0 0 .7em;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -.005em;
  color: var(--scoreboard-ivory);
}

.page-disclaimer .doc-body p {
  margin: 0 0 1em;
  max-width: 68ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.92;
  color: var(--ink-mute);
}

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

.page-disclaimer .doc-body a {
  color: var(--floodlight-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 240, 199, .42);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .doc-body a:hover,
.page-disclaimer .doc-body a:focus-visible {
  color: var(--amber-signal);
  border-bottom-color: rgba(255, 138, 61, .55);
}

.page-disclaimer .doc-mark {
  color: var(--scoreboard-ivory);
  background: linear-gradient(180deg, transparent 62%, rgba(255, 138, 61, .26) 62%);
  padding: 0 1px;
}

/* ---------- 联系方式面板 ---------- */
.page-disclaimer .doc-contact {
  list-style: none;
  margin: 0 0 1.3em;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--doc-rule);
  background: var(--doc-rule);
}

.page-disclaimer .doc-contact li {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  background: linear-gradient(120deg, rgba(15, 46, 38, .88), rgba(10, 31, 26, .94));
}

.page-disclaimer .doc-contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  opacity: .8;
}

.page-disclaimer .doc-contact-val {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--amber-signal);
  word-break: break-all;
}

.page-disclaimer .doc-contact-note {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-faint);
}

.page-disclaimer .doc-section--contact .doc-num {
  color: var(--amber-signal);
  opacity: .92;
}

.page-disclaimer .doc-body p.doc-tail {
  margin-top: 1.5em;
  padding-top: 14px;
  border-top: 1px dashed var(--doc-rule);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-faint);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 860px) {
  .page-disclaimer .doc-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: start;
    padding: clamp(28px, 3.4vw, 48px);
  }

  .page-disclaimer .doc-hero-meta li {
    grid-template-columns: minmax(80px, 104px) 1fr;
    gap: 14px;
    align-items: baseline;
  }

  .page-disclaimer .doc-section {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 58px);
    align-items: start;
  }

  .page-disclaimer .doc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-disclaimer .doc-index a {
    font-size: 12.5px;
    padding: 7px 10px;
  }

  .page-disclaimer .doc-contact-val {
    font-size: 15px;
  }
}