.page-disclaimer {
  --pd-hair: rgba(18, 58, 76, 0.16);
  --pd-num: 56px;
  --pd-scroll: calc(var(--bar-h) + 22px);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-disclaimer [data-chapter],
.page-disclaimer .notice-block {
  scroll-margin-top: var(--pd-scroll);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  margin: 12px 0 0;
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-disclaimer .breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin: 0 10px;
  color: rgba(18, 58, 76, 0.32);
}

.page-disclaimer .breadcrumb a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease);
}

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

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--apricot-deep);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .notice-hero {
  position: relative;
  margin-top: 16px;
  padding: clamp(30px, 5vw, 54px) clamp(18px, 4vw, 46px) clamp(26px, 4vw, 46px);
  background:
    radial-gradient(120% 150% at 90% -25%, rgba(240, 138, 60, 0.24), transparent 62%),
    linear-gradient(166deg, var(--mist) 0%, var(--paper) 78%);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .notice-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: 480px;
  height: 480px;
  background: repeating-radial-gradient(circle at 50% 50%, rgba(30, 111, 140, 0.09) 0 1px, transparent 1px 15px);
  pointer-events: none;
}

.page-disclaimer .notice-stamp {
  position: absolute;
  top: 0;
  left: clamp(18px, 4vw, 46px);
  z-index: 2;
  padding: 5px 11px 6px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lake-deep);
  background: var(--amber);
  border-radius: 0 0 var(--radius) var(--radius);
  transform: translateY(0) rotate(-1.2deg);
  transform-origin: left top;
  box-shadow: 0 6px 14px -10px rgba(18, 58, 76, 0.8);
}

.page-disclaimer .notice-hero-vertical {
  display: none;
}

.page-disclaimer .notice-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-disclaimer .notice-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--lake-deep);
}

.page-disclaimer .notice-lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .notice-facts {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 16px;
  margin: 0;
  padding: clamp(16px, 2.2vw, 22px);
  background: rgba(251, 249, 246, 0.86);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
}

.page-disclaimer .notice-facts dt {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--apricot-deep);
  padding-top: 4px;
  white-space: nowrap;
}

.page-disclaimer .notice-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--lake-deep);
}

/* ---------- 开篇视觉 ---------- */
.page-disclaimer .notice-visual {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
  background: var(--mist);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-disclaimer .notice-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 900 / 480;
  object-fit: cover;
}

.page-disclaimer .notice-visual figcaption {
  padding: 9px 14px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--rock);
  background: var(--paper);
  border-top: 1px solid var(--pd-hair);
}

/* ---------- 正文两栏 ---------- */
.page-disclaimer .notice-layout {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 3.6vw, 44px) 0 clamp(30px, 4vw, 50px);
}

.page-disclaimer .notice-blocks {
  min-width: 0;
}

/* ---------- 折叠条款块 ---------- */
.page-disclaimer .notice-block {
  border-top: 1px solid var(--pd-hair);
}

.page-disclaimer .notice-block:first-child {
  border-top-color: rgba(18, 58, 76, 0.3);
}

.page-disclaimer .notice-block-head {
  display: grid;
  grid-template-columns: var(--pd-num) minmax(0, 1fr) 16px;
  align-items: start;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 22px) 0 clamp(10px, 1.4vw, 14px);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .notice-block-head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .notice-block-head::marker {
  content: "";
}

.page-disclaimer .notice-block-head:focus-visible {
  outline: 2px solid var(--apricot);
  outline-offset: 4px;
}

.page-disclaimer .notice-num {
  position: relative;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--apricot);
  transition: color 200ms var(--ease);
}

.page-disclaimer .notice-num::after {
  content: "";
  position: absolute;
  left: 0.44em;
  top: 100%;
  width: 1px;
  height: clamp(20px, 3vw, 30px);
  background: linear-gradient(180deg, var(--lake), rgba(30, 111, 140, 0));
}

.page-disclaimer .notice-block-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18.5px, 2.5vw, 25px);
  line-height: 1.35;
  color: var(--lake-deep);
  transition: color 200ms var(--ease);
}

.page-disclaimer .notice-block-head:hover .notice-block-title {
  color: var(--apricot-deep);
}

.page-disclaimer .notice-fold {
  align-self: center;
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border-right: 1.5px solid var(--rock);
  border-bottom: 1.5px solid var(--rock);
  transform: rotate(225deg);
  transition: transform 220ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .notice-block:not([open]) .notice-fold {
  transform: rotate(45deg);
  border-color: var(--apricot);
}

.page-disclaimer .notice-block[open] .notice-num {
  color: var(--apricot-deep);
}

.page-disclaimer .notice-block-body {
  padding: 0 0 clamp(20px, 3vw, 30px) calc(var(--pd-num) + 10px);
  animation: notice-reveal 260ms var(--ease) both;
}

@keyframes notice-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-disclaimer .notice-block-body > p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-disclaimer .notice-points {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-disclaimer .notice-points li {
  position: relative;
  padding-left: 26px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-disclaimer .notice-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 16px;
  height: 1px;
  background: var(--lake);
  opacity: 0.62;
}

.page-disclaimer .notice-tip {
  position: relative;
  margin: 16px 0 0;
  padding: 11px 15px 12px 17px;
  background: linear-gradient(90deg, rgba(232, 169, 58, 0.22), rgba(232, 169, 58, 0.06));
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
  color: var(--lake-deep);
}

.page-disclaimer .notice-tip strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--apricot-deep);
}

.page-disclaimer .notice-block-link {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--rock);
}

.page-disclaimer a {
  color: var(--lake);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

/* ---------- 版本差异小样 ---------- */
.page-disclaimer .notice-demo {
  display: grid;
  gap: 2px;
  margin: 16px 0 4px;
  max-width: 640px;
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .notice-demo-col {
  padding: 12px 15px 14px;
}

.page-disclaimer .notice-demo-col--old {
  background: rgba(75, 63, 110, 0.14);
}

.page-disclaimer .notice-demo-col--new {
  background: rgba(138, 59, 59, 0.12);
}

.page-disclaimer .notice-demo-tag {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-disclaimer .notice-demo-col--old .notice-demo-tag {
  color: var(--violet);
}

.page-disclaimer .notice-demo-col--new .notice-demo-tag {
  color: var(--wine);
}

.page-disclaimer .notice-demo-col p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 右侧章节刻度 ---------- */
.page-disclaimer .rail {
  display: none;
}

.page-disclaimer .rail-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--rock);
}

.page-disclaimer .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border-left: 1px solid var(--pd-hair);
}

.page-disclaimer .rail-list a {
  display: block;
  margin-left: -1px;
  padding: 7px 0 7px 13px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--rock);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-disclaimer .rail-list a:hover,
.page-disclaimer .rail-list a:focus-visible {
  color: var(--lake);
  background: rgba(30, 111, 140, 0.06);
}

.page-disclaimer .rail-list a.is-current {
  color: var(--apricot-deep);
  border-left-color: var(--apricot);
  background: rgba(240, 138, 60, 0.08);
  font-weight: 600;
}

/* ---------- 结尾深色分区 ---------- */
.page-disclaimer .notice-tail {
  position: relative;
  background: var(--lake-deep);
  color: var(--paper);
  padding: clamp(32px, 5vw, 58px) 0 clamp(26px, 4vw, 42px);
}

.page-disclaimer .notice-tail::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--apricot), var(--amber) 42%, rgba(232, 169, 58, 0));
}

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

.page-disclaimer .notice-tail h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 33px);
  line-height: 1.3;
  color: var(--paper);
}

.page-disclaimer .notice-tail-lead {
  margin: 15px 0 0;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(251, 249, 246, 0.82);
}

.page-disclaimer .notice-tail-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-disclaimer .notice-contact {
  margin: 0;
  display: grid;
  gap: 16px;
  padding-left: 18px;
  border-left: 1px solid rgba(251, 249, 246, 0.24);
}

.page-disclaimer .notice-contact dt {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-disclaimer .notice-contact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(251, 249, 246, 0.94);
  word-break: break-word;
}

.page-disclaimer .notice-icp {
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(251, 249, 246, 0.18);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(251, 249, 246, 0.6);
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-disclaimer {
    --pd-num: 36px;
  }

  .page-disclaimer .notice-block-body {
    padding-left: calc(var(--pd-num) + 4px);
  }

  .page-disclaimer .notice-block-head {
    grid-template-columns: var(--pd-num) minmax(0, 1fr) 14px;
    gap: 8px;
  }

  .page-disclaimer .notice-hero {
    padding-top: 36px;
  }

  .page-disclaimer .notice-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-disclaimer .notice-facts dt {
    padding-top: 10px;
  }
}

@media (min-width: 620px) {
  .page-disclaimer .notice-demo {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .notice-hero-inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.85fr);
    align-items: end;
  }

  .page-disclaimer .notice-tail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(270px, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .notice-hero-vertical {
    display: block;
    position: absolute;
    top: clamp(58px, 7vw, 88px);
    right: clamp(22px, 3.4vw, 40px);
    z-index: 2;
    writing-mode: vertical-rl;
    font-family: var(--font-display);
    font-size: 12px;
    letter-spacing: 0.62em;
    color: rgba(18, 58, 76, 0.34);
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .notice-layout {
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: clamp(34px, 4vw, 56px);
  }

  .page-disclaimer .rail {
    display: block;
    align-self: start;
    position: sticky;
    top: var(--pd-scroll);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .notice-block-body {
    animation: none;
  }

  .page-disclaimer .notice-fold,
  .page-disclaimer .notice-num,
  .page-disclaimer .notice-block-title {
    transition: none;
  }
}