.page-disclaimer {
  --doc-gap: clamp(18px, 3vw, 30px);
  --doc-tick: 16px;
  padding: clamp(20px, 4vw, 52px) 0 clamp(56px, 8vw, 96px);
  color: var(--text);
  background:
    radial-gradient(circle at 88% 4%, rgba(110, 166, 184, 0.1), transparent 46%),
    var(--bg);
}

.page-disclaimer .crumbs {
  margin-bottom: 20px;
}

.page-disclaimer .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-disclaimer .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--paper);
}

.page-disclaimer .crumbs a {
  color: var(--blue);
  text-decoration: none;
}

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

/* ---------- 说明框 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 46px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 34px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 34px 100%,
    linear-gradient(160deg, rgba(14, 42, 53, 0.96), rgba(7, 26, 36, 0.98));
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-disclaimer .doc-hero::before,
.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  width: var(--doc-tick);
  height: var(--doc-tick);
  border-color: var(--signal);
  border-style: solid;
  border-width: 0;
}

.page-disclaimer .doc-hero::before {
  top: -1px;
  left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
}

.page-disclaimer .doc-hero::after {
  right: -1px;
  bottom: -1px;
  border-right-width: 2px;
  border-bottom-width: 2px;
}

.page-disclaimer .eyebrow {
  margin: 0 0 14px;
}

.page-disclaimer .doc-hero h1 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 50px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-disclaimer .doc-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .doc-meta {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.page-disclaimer .meta-key {
  min-width: 82px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
}

.page-disclaimer .meta-val {
  color: var(--mist);
  font-weight: 500;
}

.page-disclaimer .meta-val::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  vertical-align: 2px;
  background: var(--signal);
}

/* ---------- 布局 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  gap: var(--doc-gap);
  align-items: start;
}

.page-disclaimer .doc-toc {
  order: -1;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-disclaimer .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

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

.page-disclaimer .toc-list a {
  display: flex;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(169, 184, 190, 0.16);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-disclaimer .toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  padding-top: 2px;
}

.page-disclaimer .toc-list a:hover,
.page-disclaimer .toc-list a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--signal);
}

.page-disclaimer .toc-note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--paper);
}

/* ---------- 条款 ---------- */
.page-disclaimer .doc-body {
  order: 1;
  min-width: 0;
}

.page-disclaimer .clause {
  padding: clamp(20px, 3vw, 30px) 0 clamp(26px, 3.4vw, 40px);
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .clause-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 500;
  color: var(--signal);
  letter-spacing: 0.04em;
}

.page-disclaimer .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.35;
  font-weight: 650;
  color: var(--mist);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .clause-sub {
  color: var(--mist) !important;
  font-weight: 500;
  margin-top: 20px !important;
}

.page-disclaimer .clause-ref {
  padding-left: 14px;
  border-left: 2px solid var(--blue);
  font-size: 14px !important;
}

.page-disclaimer .clause a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 166, 184, 0.4);
  overflow-wrap: anywhere;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

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

/* 角色列表 */
.page-disclaimer .role-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .role-list li {
  padding: 12px 14px;
  background: var(--panel);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-disclaimer .role-list strong {
  color: var(--mist);
  font-weight: 600;
}

/* 步骤 */
.page-disclaimer .step-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  border-left: 1px solid var(--line-strong);
}

.page-disclaimer .step-list li {
  position: relative;
  counter-increment: step;
  padding: 0 0 18px 26px;
}

.page-disclaimer .step-list li:last-child {
  padding-bottom: 0;
}

.page-disclaimer .step-list li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--signal);
}

.page-disclaimer .step-num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-disclaimer .step-list p {
  margin: 0;
  font-size: 14.5px;
}

/* 图 */
.page-disclaimer .route-figure {
  margin: 0 0 22px;
}

.page-disclaimer .route-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .route-figure figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--teal);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
}

/* 勾选清单 */
.page-disclaimer .check-list {
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .check-list li {
  position: relative;
  padding: 11px 14px 11px 40px;
  background: rgba(14, 42, 53, 0.72);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-disclaimer .check-list li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal);
}

/* 节奏表 */
.page-disclaimer .rhythm-list {
  margin: 0 0 18px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .rhythm-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .rhythm-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-disclaimer .rhythm-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* 反馈列表 */
.page-disclaimer .feedback-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .feedback-list li {
  display: grid;
  gap: 4px;
  padding: 13px 14px;
  background: var(--panel);
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-disclaimer .fb-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper);
}

.page-disclaimer .fb-val {
  color: var(--text-dim);
}

/* 页尾 */
.page-disclaimer .doc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .doc-foot p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper);
}

.page-disclaimer .doc-top-link {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-decoration: none;
  transition: border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.page-disclaimer .doc-top-link:hover,
.page-disclaimer .doc-top-link:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .doc-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .page-disclaimer .doc-meta li {
    flex-direction: column;
    gap: 4px;
    padding: 14px 16px 14px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-disclaimer .doc-meta li:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 22px;
  }

  .page-disclaimer .rhythm-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-disclaimer .feedback-list li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
  }
}

/* ---------- 桌面：正文左、目录右且跟随 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
  }

  .page-disclaimer .doc-body {
    order: 1;
  }

  .page-disclaimer .doc-toc {
    order: 2;
    position: sticky;
    top: 104px;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .clause-head {
    gap: 20px;
  }

  .page-disclaimer .clause-body,
  .page-disclaimer .clause {
    scroll-margin-top: 100px;
  }

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

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

@media (min-width: 1280px) {
  .page-disclaimer .doc-hero {
    padding-right: clamp(46px, 6vw, 80px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: 1ms !important;
  }
}

@media print {
  .page-disclaimer {
    background: #fff;
    color: #111;
    padding: 0;
  }

  .page-disclaimer .doc-toc,
  .page-disclaimer .doc-top-link,
  .page-disclaimer .route-figure {
    display: none !important;
  }

  .page-disclaimer .doc-hero,
  .page-disclaimer .role-list li,
  .page-disclaimer .check-list li,
  .page-disclaimer .feedback-list li {
    background: #fff;
    border-color: #999;
  }

  .page-disclaimer .doc-hero h1,
  .page-disclaimer .clause h2,
  .page-disclaimer .clause-sub,
  .page-disclaimer .role-list strong {
    color: #000;
  }

  .page-disclaimer .clause p,
  .page-disclaimer .check-list li,
  .page-disclaimer .feedback-list li,
  .page-disclaimer .rhythm-row dd {
    color: #222;
  }

  .page-disclaimer .clause {
    page-break-inside: avoid;
    border-top: 1px solid #bbb;
  }
}