.page-disclaimer {
  --ud-rule: rgba(26, 26, 26, 0.16);
  --ud-rule-dark: rgba(192, 192, 192, 0.26);
  --ud-card-bg: #FBF8F2;
  --ud-ink-soft: #3A3A37;
  --ud-ink-mute: #6B6B66;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  padding-block: 18px 4px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .ud-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 48px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(10, 92, 54, 0.55) 0%, rgba(10, 92, 54, 0) 62%),
    var(--ink);
  border-bottom: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(192, 192, 192, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(192, 192, 192, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-disclaimer .ud-hero__grid {
  position: relative;
  display: grid;
  gap: var(--s2);
  align-items: center;
}

.page-disclaimer .ud-hero__lead h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(29px, 5.4vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-disclaimer .ud-hero__intro {
  margin: 20px 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-disclaimer .ud-hero__figure {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ud-rule-dark);
  background: rgba(6, 61, 36, 0.5);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.35);
}

.page-disclaimer .ud-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-disclaimer .ud-hero__figure::after {
  content: "FIELD TEXTURE / 01";
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--orange);
  background: rgba(17, 17, 17, 0.78);
  border: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-hero__facts {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: var(--s2) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--text-mute);
}

.page-disclaimer .ud-fact b {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--orange);
}

/* ---------- 条款索引条 ---------- */
.page-disclaimer .ud-index {
  background: var(--green-deep);
  border-bottom: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-index__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-block: 14px;
}

.page-disclaimer .ud-index__label {
  padding-right: 12px;
  margin-right: 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
  border-right: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .ud-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--ud-rule-dark);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .ud-index__list a .mono {
  color: var(--orange);
  font-size: 11px;
}

.page-disclaimer .ud-index__list a:hover,
.page-disclaimer .ud-index__list a:focus-visible {
  background: var(--green);
  border-color: var(--orange);
  transform: translateY(-2px);
}

/* ---------- 章节骨架 ---------- */
.page-disclaimer .ud-section {
  padding-block: var(--s3);
  scroll-margin-top: 88px;
}

.page-disclaimer .ud-section--paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-disclaimer .ud-section--ink {
  background: var(--ink);
  color: var(--text);
  border-top: 1px solid var(--ud-rule-dark);
  border-bottom: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-section--wine {
  background: var(--wine);
  color: var(--paper);
}

.page-disclaimer .ud-head {
  display: grid;
  gap: 12px;
  margin-bottom: var(--s2);
  max-width: 34em;
}

.page-disclaimer .ud-num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-disclaimer .ud-num::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  background: currentColor;
}

.page-disclaimer .ud-section--paper .ud-num { color: var(--green); }
.page-disclaimer .ud-section--ink .ud-num { color: var(--orange); }
.page-disclaimer .ud-section--wine .ud-num { color: var(--orange-soft); }

.page-disclaimer .ud-section h2 {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 34px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-disclaimer .ud-lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  opacity: 0.86;
}

.page-disclaimer .ud-section--paper .ud-lede { color: var(--ud-ink-mute); opacity: 1; }

/* ---------- 01 内容与数据范围 ---------- */
.page-disclaimer .ud-cards {
  display: grid;
  gap: var(--s1);
  grid-template-columns: 1fr;
}

.page-disclaimer .ud-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--ud-card-bg);
  border: 1px solid var(--ud-rule);
  border-top: 4px solid var(--green);
  box-shadow: 5px 5px 0 rgba(6, 61, 36, 0.09);
}

.page-disclaimer .ud-card:nth-child(2) { border-top-color: var(--wine); }
.page-disclaimer .ud-card:nth-child(3) { border-top-color: var(--orange); }
.page-disclaimer .ud-card:nth-child(4) { border-top-color: var(--indigo); }

.page-disclaimer .ud-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ud-ink-mute);
}

.page-disclaimer .ud-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper-ink);
}

.page-disclaimer .ud-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ud-ink-soft);
}

.page-disclaimer .ud-card .tag { align-self: flex-start; }

/* ---------- 02 设备 ---------- */
.page-disclaimer .ud-device {
  display: grid;
  gap: 1px;
  background: var(--ud-rule-dark);
  border: 1px solid var(--ud-rule-dark);
}

.page-disclaimer .ud-device__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 26px;
  background: var(--graphite);
}

.page-disclaimer .ud-device__os {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-disclaimer .ud-device__col h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.page-disclaimer .ud-device__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-disclaimer .ud-note {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px 16px;
  margin-top: var(--s1);
  padding: 16px 18px;
  background: var(--indigo);
  border-left: 3px solid var(--cyan);
}

.page-disclaimer .ud-note__tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .ud-note p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 03 账号与收藏 ---------- */
.page-disclaimer .ud-acc {
  display: grid;
  gap: 10px;
}

.page-disclaimer .ud-acc .disclosure {
  background: var(--ud-card-bg);
  border: 1px solid var(--ud-rule);
}

.page-disclaimer .ud-acc .disclosure[data-open] {
  border-color: var(--green);
  box-shadow: 5px 5px 0 rgba(6, 61, 36, 0.1);
}

.page-disclaimer .ud-acc .disclosure__btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  color: var(--paper-ink);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.page-disclaimer .ud-acc .disclosure__btn:hover {
  background: rgba(10, 92, 54, 0.06);
}

.page-disclaimer .ud-acc .disclosure__num {
  flex: none;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
  border: 1px solid currentColor;
}

.page-disclaimer .ud-acc .disclosure__icon { margin-left: auto; flex: none; }

.page-disclaimer .ud-acc .disclosure__panel {
  padding: 0 18px 18px 18px;
}

.page-disclaimer .ud-acc .disclosure__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ud-ink-soft);
}

/* ---------- 04 引用与转载 ---------- */
.page-disclaimer .ud-quote {
  display: grid;
  gap: var(--s2);
}

.page-disclaimer .ud-quote__head {
  display: grid;
  gap: 12px;
}

.page-disclaimer .ud-quote__head h2 { color: var(--paper); }

.page-disclaimer .ud-quote__head .ud-lede { color: rgba(244, 241, 234, 0.82); }

.page-disclaimer .ud-quote__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(244, 241, 234, 0.3);
  border: 1px solid rgba(244, 241, 234, 0.3);
}

.page-disclaimer .ud-quote__list li {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--wine);
}

.page-disclaimer .ud-quote__i {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-soft);
  border: 1px solid currentColor;
}

.page-disclaimer .ud-quote__list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-disclaimer .ud-quote__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(244, 241, 234, 0.84);
}

/* ---------- 05 问题反馈 ---------- */
.page-disclaimer .ud-fb {
  display: grid;
  gap: var(--s1);
  grid-template-columns: 1fr;
}

.page-disclaimer .ud-fb__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--ud-card-bg);
  border: 1px solid var(--ud-rule);
  border-left: 3px solid var(--orange);
}

.page-disclaimer .ud-fb__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ud-ink-mute);
}

.page-disclaimer .ud-fb__item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper-ink);
}

.page-disclaimer .ud-fb__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ud-ink-soft);
}

.page-disclaimer .ud-fb__route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  margin-top: var(--s1);
  padding: 20px 22px;
  background: var(--green-deep);
  border-left: 3px solid var(--orange);
}

.page-disclaimer .ud-fb__route p {
  flex: 1 1 300px;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
}

/* ---------- 尾部索引 ---------- */
.page-disclaimer .ud-next {
  background: var(--ink);
  border-top: 1px solid var(--ud-rule-dark);
  padding-block: var(--s2);
}

.page-disclaimer .ud-next__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 28px;
}

.page-disclaimer .ud-next__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-disclaimer .ud-next__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .ud-next__list a {
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .ud-next__list a:hover,
.page-disclaimer .ud-next__list a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .ud-hero { padding: 44px 0 56px; }

  .page-disclaimer .ud-cards { grid-template-columns: repeat(2, 1fr); }

  .page-disclaimer .ud-fb { grid-template-columns: repeat(2, 1fr); }

  .page-disclaimer .ud-fb__route { padding: 22px 26px; }
}

@media (min-width: 760px) {
  .page-disclaimer .ud-cards {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-disclaimer .ud-cards > :nth-child(1) { grid-column: span 7; }
  .page-disclaimer .ud-cards > :nth-child(2) { grid-column: span 5; }
  .page-disclaimer .ud-cards > :nth-child(3) { grid-column: span 5; }
  .page-disclaimer .ud-cards > :nth-child(4) { grid-column: span 7; }

  .page-disclaimer .ud-fb { grid-template-columns: 1.15fr 1fr 1fr; }
}

@media (min-width: 900px) {
  .page-disclaimer .ud-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--s2);
  }

  .page-disclaimer .ud-hero__figure { justify-self: end; }

  .page-disclaimer .ud-device {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

  .page-disclaimer .ud-quote {
    grid-template-columns: 4fr 7fr;
    align-items: start;
    gap: var(--s1);
  }

  .page-disclaimer .ud-quote__head {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .ud-hero { padding: 56px 0 72px; }
  .page-disclaimer .ud-card { padding: 26px 24px 28px; }
  .page-disclaimer .ud-quote__list li { padding: 22px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ud-index__list a,
  .page-disclaimer .ud-acc .disclosure__btn,
  .page-disclaimer .ud-next__list a {
    transition: none;
  }
  .page-disclaimer .ud-index__list a:hover,
  .page-disclaimer .ud-index__list a:focus-visible {
    transform: none;
  }
}
</main>