.page-disclaimer {
  position: relative;
  padding-top: clamp(86px, 12vw, 116px);
  padding-bottom: clamp(56px, 9vw, 104px);
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 760px;
  background:
    radial-gradient(760px 380px at 88% -6%, rgba(41, 211, 162, 0.15), transparent 60%),
    radial-gradient(680px 340px at 4% 6%, rgba(168, 203, 224, 0.13), transparent 58%);
  pointer-events: none;
}

.page-disclaimer .shell {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  margin: 0 0 clamp(22px, 4vw, 34px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--slate);
}

.page-disclaimer .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  transition: color 140ms var(--ease);
}

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

.page-disclaimer .breadcrumb-current {
  color: var(--snow);
}

/* 页首 */
.page-disclaimer .doc-head {
  max-width: 820px;
}

.page-disclaimer .doc-eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-disclaimer h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--white);
}

.page-disclaimer .doc-lede {
  margin: 0;
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--snow);
}

/* 顶部图 */
.page-disclaimer .doc-figure {
  margin: clamp(30px, 5vw, 50px) 0 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--panel);
}

.page-disclaimer .doc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-disclaimer .doc-figure figcaption {
  padding: 13px 20px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* 章节骨架 */
.page-disclaimer .doc-section {
  margin-top: clamp(48px, 7vw, 78px);
  scroll-margin-top: 96px;
}

.page-disclaimer .section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "num anchor"
    "text text";
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 22px;
}

.page-disclaimer .section-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: clamp(32px, 7vw, 46px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--clay);
}

.page-disclaimer .section-head-text {
  grid-area: text;
}

.page-disclaimer .section-title {
  margin: 0;
  font-size: clamp(21px, 3.6vw, 31px);
  line-height: 1.26;
  letter-spacing: -0.022em;
  font-weight: 800;
  color: var(--white);
}

.page-disclaimer .section-kicker {
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--snow);
  opacity: 0.78;
}

/* 章节锚点复制 */
.page-disclaimer .anchor-chip {
  grid-area: anchor;
  appearance: none;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-dark);
  background: transparent;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: color 140ms var(--ease), background-color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-disclaimer .anchor-chip:hover {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

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

.page-disclaimer .anchor-chip[data-copied="true"] {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

/* 正文 */
.page-disclaimer .doc-body {
  max-width: 66ch;
  font-size: 16.5px;
  line-height: 1.84;
  color: var(--snow);
}

.page-disclaimer .doc-body p {
  margin: 0 0 18px;
}

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

.page-disclaimer .doc-body a {
  color: var(--signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 140ms var(--ease), text-decoration-thickness 140ms var(--ease);
}

.page-disclaimer .doc-body a:hover,
.page-disclaimer .doc-body a:focus-visible {
  color: var(--white);
  text-decoration-thickness: 2px;
}

/* 步骤带 */
.page-disclaimer .flow-band {
  margin-top: clamp(44px, 6.5vw, 72px);
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--r-xl);
  background: linear-gradient(155deg, var(--mist) 0%, #d2e4f1 94%);
  color: var(--ink);
}

.page-disclaimer .flow-band-eyebrow {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: #4a6b84;
}

.page-disclaimer .flow-band-lead {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.7;
  color: #2c4a63;
}

.page-disclaimer .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-disclaimer .flow-step {
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(14, 26, 43, 0.13);
  background: rgba(255, 255, 255, 0.68);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-disclaimer .flow-step:hover {
  border-color: var(--clay-soft);
  transform: translateY(-2px);
}

.page-disclaimer .flow-step[open] {
  background: #ffffff;
  border-color: var(--clay);
}

.page-disclaimer .flow-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-disclaimer .flow-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--clay);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
}

.page-disclaimer .flow-name {
  flex: 1 1 auto;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .flow-summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--clay);
}

.page-disclaimer .flow-step[open] .flow-summary::after {
  content: "−";
}

.page-disclaimer .flow-summary:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: -2px;
}

.page-disclaimer .flow-note {
  margin: 0;
  padding: 0 16px 16px 56px;
  font-size: 14.5px;
  line-height: 1.72;
  color: #2f4a63;
}

/* 浅底面板章节 */
.page-disclaimer .doc-section--panel {
  padding: clamp(26px, 4.4vw, 44px);
  border-radius: var(--r-xl);
  background: linear-gradient(155deg, var(--mist) 0%, #d5e6f1 92%);
  border: 1px solid rgba(245, 248, 251, 0.35);
  color: var(--ink);
}

.page-disclaimer .doc-section--panel .section-title {
  color: var(--ink);
}

.page-disclaimer .doc-section--panel .section-kicker {
  color: #2f4a63;
  opacity: 1;
}

.page-disclaimer .doc-section--panel .section-num {
  color: #b9572a;
}

.page-disclaimer .doc-section--panel .doc-body {
  color: #1f3b53;
}

.page-disclaimer .doc-section--panel .doc-body a {
  color: var(--signal-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .doc-section--panel .doc-body a:hover,
.page-disclaimer .doc-section--panel .doc-body a:focus-visible {
  color: var(--ink);
  text-decoration-thickness: 2px;
}

.page-disclaimer .doc-section--panel .anchor-chip {
  border-color: rgba(14, 26, 43, 0.2);
  color: #3d5a73;
}

.page-disclaimer .doc-section--panel .anchor-chip:hover,
.page-disclaimer .doc-section--panel .anchor-chip:focus-visible,
.page-disclaimer .doc-section--panel .anchor-chip[data-copied="true"] {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

/* 资料格式标签 */
.page-disclaimer .format-tags {
  list-style: none;
  margin: clamp(22px, 3.4vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-disclaimer .format-tags li {
  padding: 15px 17px;
  border-radius: var(--r-md);
  border: 1px solid rgba(14, 26, 43, 0.12);
  background: rgba(255, 255, 255, 0.72);
}

.page-disclaimer .format-tag {
  display: block;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--clay-soft);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-disclaimer .format-desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.68;
  color: #33506a;
}

.page-disclaimer .format-tags + .doc-body {
  margin-top: clamp(22px, 3.4vw, 30px);
}

/* 邮箱动作条 */
.page-disclaimer .mail-actions {
  margin-top: 24px;
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  border-radius: var(--r-lg);
  border: 1px dashed var(--line-dark);
  background: rgba(22, 38, 61, 0.72);
}

.page-disclaimer .mail-address {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--signal);
  word-break: break-all;
}

.page-disclaimer .copy-btn {
  flex: 0 0 auto;
}

.page-disclaimer .copy-btn[data-copied="true"]::after {
  content: "✓ 已复制";
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

/* 站点信息表 */
.page-disclaimer .site-meta {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-dark);
}

.page-disclaimer .site-meta > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-disclaimer .site-meta dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--slate);
}

.page-disclaimer .site-meta dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.66;
  color: var(--white);
  word-break: break-word;
}

.page-disclaimer .site-meta + .doc-body {
  margin-top: 24px;
}

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

/* 相关页面 */
.page-disclaimer .doc-links {
  margin-top: clamp(44px, 6vw, 66px);
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .doc-links a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-dark);
  background: rgba(22, 38, 61, 0.55);
  color: var(--snow);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-disclaimer .doc-links a:hover,
.page-disclaimer .doc-links a:focus-visible {
  color: var(--white);
  border-color: var(--signal);
  background: rgba(41, 211, 162, 0.14);
}

/* 桌面端 */
@media (min-width: 780px) {
  .page-disclaimer .section-head {
    grid-template-columns: 88px minmax(0, 1fr) auto;
    grid-template-areas: "num text anchor";
    align-items: start;
    gap: 4px 24px;
  }

  .page-disclaimer .section-num {
    font-size: clamp(38px, 4.4vw, 52px);
  }

  .page-disclaimer .doc-body {
    margin-left: 112px;
    max-width: 62ch;
  }

  .page-disclaimer .doc-section--panel .section-head {
    grid-template-columns: 68px minmax(0, 1fr) auto;
    gap: 4px 18px;
  }

  .page-disclaimer .doc-section--panel .section-num {
    font-size: clamp(32px, 3.6vw, 44px);
  }

  .page-disclaimer .doc-section--panel .doc-body {
    margin-left: 86px;
    max-width: 62ch;
  }

  .page-disclaimer .format-tags {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-disclaimer .site-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
}

/* 步骤带横向排列 */
@media (min-width: 900px) {
  .page-disclaimer .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-disclaimer .flow-item {
    position: relative;
  }

  .page-disclaimer .flow-item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 29px;
    left: calc(100% + 1px);
    width: 21px;
    border-top: 2px dashed rgba(217, 118, 74, 0.55);
  }

  .page-disclaimer .flow-summary {
    padding: 13px 14px;
  }

  .page-disclaimer .flow-note {
    padding: 0 14px 15px 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .flow-step,
  .page-disclaimer .anchor-chip,
  .page-disclaimer .doc-body a,
  .page-disclaimer .doc-links a,
  .page-disclaimer .breadcrumb a {
    transition: none;
  }

  .page-disclaimer .flow-step:hover {
    transform: none;
  }
}