.page-disclaimer {
  --dc-cut: 18px;
  --dc-pad: clamp(20px, 3.2vw, 38px);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(56px, 8vw, 120px);
  overflow-x: hidden;
}

.page-disclaimer * {
  box-sizing: border-box;
}

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

.page-disclaimer .dc-link {
  position: relative;
  display: inline-block;
  border-bottom: 1px solid rgba(41, 242, 192, 0.34);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-disclaimer .dc-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--cyan-soft);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--base) var(--ease);
}

.page-disclaimer .dc-link:hover,
.page-disclaimer .dc-link:focus-visible {
  color: var(--cyan-soft);
}

.page-disclaimer .dc-link:hover::after,
.page-disclaimer .dc-link:focus-visible::after {
  transform: scaleX(1);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 5vw, 56px);
}

.page-disclaimer .dc-hero-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-disclaimer .dc-rail-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--paper);
}

.page-disclaimer .dc-rail-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-disclaimer .dc-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.page-disclaimer .dc-lead {
  max-width: 74ch;
  margin: 18px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .dc-hero-note {
  max-width: 68ch;
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-disclaimer .dc-hero {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .dc-hero-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 4px 0 0 16px;
    min-height: 140px;
  }
}

/* ---------- 目录 ---------- */
.page-disclaimer .dc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--line-faint);
  border-bottom: 1px solid var(--line-faint);
}

.page-disclaimer .dc-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-faint);
  color: var(--muted);
  font-size: 14px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.page-disclaimer .dc-toc a:hover,
.page-disclaimer .dc-toc a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-06);
}

.page-disclaimer .dc-toc .num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-disclaimer .dc-section {
  padding: clamp(34px, 5vw, 64px) 0 0;
}

.page-disclaimer .dc-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.6vw, 26px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-faint);
}

.page-disclaimer .dc-sec-num {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer .dc-sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.02em;
}

@media (min-width: 1000px) {
  .page-disclaimer .dc-section {
    display: grid;
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 64px);
    align-items: start;
  }

  .page-disclaimer .dc-sec-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
    padding: 4px 0 0;
    border-bottom: 0;
    border-top: 1px solid var(--line-soft);
    padding-top: 16px;
  }
}

.page-disclaimer .dc-intro {
  max-width: 72ch;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-disclaimer .dc-intro--tight {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .dc-terms {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-disclaimer .dc-term {
  padding: 18px 0 18px 18px;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--line-faint);
  transition: border-color var(--base) var(--ease), background var(--base) var(--ease);
}

.page-disclaimer .dc-term:first-child {
  border-top: 1px solid var(--line-faint);
}

.page-disclaimer .dc-term:hover,
.page-disclaimer .dc-term:focus-within {
  border-left-color: var(--cyan);
  background: var(--cyan-06);
}

.page-disclaimer .dc-term dt {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .dc-term dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-disclaimer .dc-term {
    display: grid;
    grid-template-columns: minmax(170px, 230px) minmax(0, 1fr);
    gap: 6px 32px;
    align-items: baseline;
    padding: 22px 0 22px 22px;
  }

  .page-disclaimer .dc-term dd {
    margin: 0;
  }
}

/* ---------- 切角面板与统计 ---------- */
.page-disclaimer .dc-panel {
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 1px;
  background: var(--line-soft);
  clip-path: polygon(var(--dc-cut) 0, 100% 0, 100% calc(100% - var(--dc-cut)), calc(100% - var(--dc-cut)) 100%, 0 100%, 0 var(--dc-cut));
}

.page-disclaimer .dc-panel-body {
  background: var(--ink-800);
  padding: var(--dc-pad);
  clip-path: polygon(var(--dc-cut) 0, 100% 0, 100% calc(100% - var(--dc-cut)), calc(100% - var(--dc-cut)) 100%, 0 100%, 0 var(--dc-cut));
}

.page-disclaimer .dc-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

@media (min-width: 640px) {
  .page-disclaimer .dc-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-disclaimer .dc-stat {
  background: var(--ink-700);
  padding: 18px 16px;
}

.page-disclaimer .dc-stat .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  color: var(--cyan);
}

.page-disclaimer .dc-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-disclaimer .dc-panel-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dc-panel-note .mono {
  color: var(--paper);
}

/* ---------- 纠错步骤 ---------- */
.page-disclaimer .dc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-disclaimer .dc-steps li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: var(--ink-900);
  padding: 20px 18px;
  transition: background var(--base) var(--ease);
}

.page-disclaimer .dc-steps li:hover {
  background: var(--ink-800);
}

.page-disclaimer .dc-step-num {
  font-size: 20px;
  color: var(--cyan);
  border-right: 1px dashed var(--line);
  padding-right: 10px;
  line-height: 1.5;
}

.page-disclaimer .dc-steps h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .dc-steps p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 中段视觉 ---------- */
.page-disclaimer .dc-figure {
  margin: clamp(30px, 5vw, 56px) 0 0;
}

.page-disclaimer .dc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-faint);
  background: var(--ink-800);
}

.page-disclaimer .dc-figure-cap {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 斜线分隔 ---------- */
.page-disclaimer .dc-slash {
  height: 1px;
  background: var(--line-soft);
  transform: rotate(-1.4deg);
  transform-origin: left center;
  margin: clamp(34px, 6vw, 70px) 0 0;
}

/* ---------- 版本轨道 ---------- */
.page-disclaimer .dc-rail {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  overflow: visible;
}

.page-disclaimer .dc-rail-track {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 6 6;
}

.page-disclaimer .dc-rail-node {
  fill: var(--ink-900);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-disclaimer .dc-rail-node--active {
  fill: var(--amber);
  stroke: var(--amber);
}

.page-disclaimer .dc-rail-txt {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-disclaimer .dc-rail-txt--active {
  fill: var(--amber);
}

/* ---------- 版本切换 ---------- */
.page-disclaimer .dc-versions {
  position: relative;
  margin-top: clamp(14px, 2vw, 22px);
}

.page-disclaimer .dc-ver-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-disclaimer .dc-ver-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-disclaimer .dc-ver-tab {
  flex: 0 0 auto;
  cursor: pointer;
  padding: 10px 16px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.page-disclaimer .dc-ver-tab .mono {
  margin-right: 6px;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-disclaimer .dc-ver-tab:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

.page-disclaimer #dc-ver-4:checked ~ .dc-ver-tabs .dc-ver-tab--4,
.page-disclaimer #dc-ver-3:checked ~ .dc-ver-tabs .dc-ver-tab--3,
.page-disclaimer #dc-ver-1:checked ~ .dc-ver-tabs .dc-ver-tab--1 {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-disclaimer #dc-ver-4:focus-visible ~ .dc-ver-tabs .dc-ver-tab--4,
.page-disclaimer #dc-ver-3:focus-visible ~ .dc-ver-tabs .dc-ver-tab--3,
.page-disclaimer #dc-ver-1:focus-visible ~ .dc-ver-tabs .dc-ver-tab--1 {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-disclaimer .dc-ver-panel {
  display: none;
}

.page-disclaimer #dc-ver-4:checked ~ .dc-ver-panels .dc-ver-panel--4,
.page-disclaimer #dc-ver-3:checked ~ .dc-ver-panels .dc-ver-panel--3,
.page-disclaimer #dc-ver-1:checked ~ .dc-ver-panels .dc-ver-panel--1 {
  display: block;
}

.page-disclaimer .dc-ver-panels {
  margin-top: 16px;
  border: 1px solid var(--line-faint);
  border-left: 2px solid var(--cyan);
  background: var(--ink-800);
  padding: clamp(18px, 2.6vw, 30px);
}

.page-disclaimer .dc-ver-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-disclaimer .dc-ver-list > div {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-faint);
}

.page-disclaimer .dc-ver-list > div:first-child {
  padding-top: 0;
}

.page-disclaimer .dc-ver-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .dc-ver-list dt {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}

.page-disclaimer .dc-ver-list dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dc-ver-list dd .mono {
  color: var(--cyan);
}

/* ---------- 联系与备案 ---------- */
.page-disclaimer .dc-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

@media (min-width: 720px) {
  .page-disclaimer .dc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-disclaimer .dc-contact-item {
  background: var(--ink-800);
  padding: 20px 18px;
}

.page-disclaimer .dc-contact-item .tag {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-disclaimer .dc-contact-item strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-disclaimer .dc-contact-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dc-filing {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin: 20px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--line);
  background: var(--ink-800);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-disclaimer .dc-filing .tag {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-disclaimer .dc-filing-num {
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-link::after,
  .page-disclaimer .dc-term,
  .page-disclaimer .dc-toc a,
  .page-disclaimer .dc-ver-tab,
  .page-disclaimer .dc-steps li {
    transition: none;
  }
}