.page-disclaimer {
  --doc-nav-w: 236px;
  --doc-radius: 20px 6px 20px 6px;
  --doc-soft: rgba(11, 15, 18, 0.68);
  background: var(--porcelain);
  color: var(--ink);
}

.page-disclaimer .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(32px, 6vw, 80px) clamp(28px, 4vw, 48px);
  background: linear-gradient(180deg, var(--porcelain) 0%, #EFE9DE 100%);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  top: -130px;
  right: -130px;
  width: min(620px, 88vw);
  height: 480px;
  background-image:
    repeating-linear-gradient(90deg, rgba(6, 59, 68, 0.2) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(6, 59, 68, 0.2) 0 1px, transparent 1px 44px);
  transform: rotate(-6deg);
  transform-origin: top right;
  -webkit-mask-image: linear-gradient(205deg, #000 18%, transparent 76%);
  mask-image: linear-gradient(205deg, #000 18%, transparent 76%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  top: 96px;
  right: clamp(28px, 9vw, 148px);
  width: clamp(64px, 9vw, 116px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #FFE1A6, var(--gold) 58%, #C98A18 100%);
  box-shadow: 0 18px 44px rgba(201, 138, 24, 0.26);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .usage-hero-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero h1 {
  max-width: 17ch;
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.page-disclaimer .usage-hero .lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--doc-soft);
}

.page-disclaimer .ver-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-disclaimer .ver-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-disclaimer .ver-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(11, 15, 18, 0.5);
}

.page-disclaimer .ver-v {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--deep);
}

.page-disclaimer .usage-figure {
  position: relative;
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-radius: var(--doc-radius);
  overflow: hidden;
  background: var(--deep);
  box-shadow: 0 24px 60px rgba(6, 59, 68, 0.18);
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
}

/* ---------- 文档双栏 ---------- */
.page-disclaimer .doc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  padding-block: clamp(30px, 5vw, 56px) clamp(48px, 7vw, 96px);
}

.page-disclaimer .doc-nav {
  background: var(--deep);
  color: var(--porcelain);
  border-radius: var(--doc-radius);
  padding: 16px 18px;
}

.page-disclaimer .doc-nav-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.page-disclaimer .doc-nav ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .doc-nav a {
  display: block;
  padding: 7px 12px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--porcelain);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .doc-nav a:hover,
.page-disclaimer .doc-nav a:focus-visible {
  background: rgba(255, 107, 74, 0.22);
  border-color: var(--coral);
}

.page-disclaimer .doc-body {
  min-width: 0;
}

/* ---------- 章节通用 ---------- */
.page-disclaimer .doc-section {
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line-dark);
}

.page-disclaimer .doc-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .doc-section .eyebrow {
  margin: 0 0 12px;
}

.page-disclaimer .doc-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--deep);
}

.page-disclaimer .doc-p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(11, 15, 18, 0.8);
}

.page-disclaimer .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 18px 0 0;
}

.page-disclaimer .doc-links a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--coral-dark);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 107, 74, 0.45);
  padding-bottom: 2px;
}

.page-disclaimer .doc-links a:hover,
.page-disclaimer .doc-links a:focus-visible {
  color: var(--deep);
  border-bottom-color: var(--mint);
}

/* ---------- 入口卡 ---------- */
.page-disclaimer .entry-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 22px 0 0;
}

.page-disclaimer .entry-card {
  background: var(--salt);
  border-left: 4px solid var(--coral);
  border-radius: 0 14px 14px 0;
  padding: 18px 20px;
}

.page-disclaimer .ec-num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--teal);
}

.page-disclaimer .ec-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--deep);
}

.page-disclaimer .ec-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--doc-soft);
}

/* ---------- 规则手册 ---------- */
.page-disclaimer .rule-book {
  margin-top: 24px;
}

.page-disclaimer .rule-chapter {
  border-top: 1px dashed rgba(11, 15, 18, 0.22);
  padding-block: 16px 6px;
}

.page-disclaimer .rule-chapter summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .rule-chapter summary::marker {
  content: "";
}

.page-disclaimer .ch-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--coral-dark);
}

.page-disclaimer .ch-name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 800;
  color: var(--deep);
}

.page-disclaimer .ch-range {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
}

.page-disclaimer .rule-chapter[open] .ch-range::after {
  content: "−";
  margin-left: 8px;
}

.page-disclaimer .rule-chapter:not([open]) .ch-range::after {
  content: "+";
  margin-left: 8px;
}

.page-disclaimer .ch-hint {
  margin: 10px 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(11, 15, 18, 0.62);
}

.page-disclaimer .rule-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rule-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  background: var(--salt);
  border: 1px solid rgba(11, 15, 18, 0.08);
  border-radius: 12px 4px 12px 4px;
  padding: 13px 15px;
}

.page-disclaimer .rule-no {
  display: inline-block;
  min-width: 30px;
  padding: 2px 5px;
  background: var(--gold);
  border-radius: 6px 2px 6px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  color: var(--deep);
}

.page-disclaimer .rule-text {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(11, 15, 18, 0.84);
}

.page-disclaimer .rule-text strong {
  font-weight: 700;
  color: var(--deep);
  box-shadow: inset 0 -2px 0 rgba(0, 224, 184, 0.6);
}

/* ---------- 深色设备区 ---------- */
.page-disclaimer .doc-section--deep {
  background: var(--deep);
  border-top: 0;
  border-radius: 24px 8px 24px 8px;
  padding: clamp(24px, 4vw, 44px);
  color: var(--porcelain);
}

.page-disclaimer .eyebrow--light {
  color: var(--mint);
}

.page-disclaimer .doc-h2--light {
  color: var(--porcelain);
}

.page-disclaimer .doc-p--light {
  color: rgba(247, 243, 234, 0.82);
}

.page-disclaimer .device-list {
  margin-top: 20px;
}

.page-disclaimer .device-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-block: 14px;
  border-top: 1px solid var(--line-light);
}

.page-disclaimer .device-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-disclaimer .device-val {
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 243, 234, 0.88);
}

/* ---------- 反馈 ---------- */
.page-disclaimer .fb-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .fb-card {
  background: var(--salt);
  border-left: 5px solid var(--coral);
  border-radius: 0 16px 16px 0;
  padding: 18px 20px;
}

.page-disclaimer .fb-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--deep);
}

.page-disclaimer .fb-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--doc-soft);
  word-break: break-word;
}

/* ---------- 版本与备案 ---------- */
.page-disclaimer .meta-rows {
  margin: 22px 0 0;
  border-top: 1px solid var(--line-dark);
}

.page-disclaimer .meta-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-block: 13px;
  border-bottom: 1px solid var(--line-dark);
}

.page-disclaimer .meta-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(11, 15, 18, 0.5);
}

.page-disclaimer .meta-v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-disclaimer .meta-row--icp {
  background: rgba(242, 181, 68, 0.18);
  padding-inline: 12px;
  border-radius: 10px 3px 10px 3px;
  border-bottom: 0;
  margin-top: 8px;
}

.page-disclaimer .meta-row--icp .meta-v {
  font-weight: 600;
  color: var(--deep);
}

/* ---------- 断点 ---------- */
@media (max-width: 559px) {
  .page-disclaimer .usage-hero::after {
    display: none;
  }
}

@media (min-width: 640px) {
  .page-disclaimer .entry-cards,
  .page-disclaimer .fb-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .meta-row,
  .page-disclaimer .device-row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-disclaimer .rule-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .doc-shell {
    grid-template-columns: var(--doc-nav-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-disclaimer .doc-nav {
    position: sticky;
    top: 116px;
    padding: 22px 20px;
  }

  .page-disclaimer .doc-nav ol {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .doc-nav a {
    border: 0;
    border-left: 2px solid var(--line-light);
    border-radius: 0;
    padding: 8px 10px;
    white-space: normal;
  }

  .page-disclaimer .doc-nav a:hover,
  .page-disclaimer .doc-nav a:focus-visible {
    border-left-color: var(--coral);
    background: rgba(255, 107, 74, 0.14);
  }

  .page-disclaimer .entry-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-nav a,
  .page-disclaimer .doc-links a {
    transition: none;
  }
}
<<<END>>>