.page-disclaimer {
  --doc-rail: 268px;
  --doc-gap: clamp(28px, 3.6vw, 64px);
  --doc-num: 52px;
  position: relative;
  background:
    linear-gradient(180deg, rgba(27, 36, 86, .5), rgba(7, 11, 34, 0) 460px),
    var(--ink-900);
  color: var(--paper-050);
  padding-bottom: clamp(48px, 7vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  border-bottom: 1px solid var(--line-500);
  overflow: hidden;
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(44, 55, 102, .40) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(44, 55, 102, .26) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-disclaimer .doc-hero-shell {
  position: relative;
  z-index: 1;
  padding-block: clamp(20px, 2.6vw, 34px) clamp(32px, 4.4vw, 60px);
}

.page-disclaimer .doc-hero .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 40px);
}

.page-disclaimer .doc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-disclaimer h1 {
  font-family: var(--font-head);
  font-size: clamp(38px, 7.6vw, 92px);
  line-height: 1.02;
  letter-spacing: -.02em;
  font-weight: 700;
  margin: 0 0 clamp(16px, 2vw, 26px);
  color: var(--paper-050);
  max-width: 13ch;
}

.page-disclaimer .doc-hero .lead {
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.9;
  color: var(--paper-300);
  margin: 0;
  max-width: 60ch;
}

.page-disclaimer .doc-hero-jumps {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .doc-jump {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line-500);
  background: rgba(14, 21, 51, .72);
  color: var(--paper-050);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .doc-jump-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime-400);
}

.page-disclaimer .doc-jump:hover,
.page-disclaimer .doc-jump:focus-visible {
  border-color: var(--lime-400);
  color: var(--lime-400);
  transform: translateY(-2px);
}

.page-disclaimer .doc-facts {
  margin: 0;
  border-top: 1px solid var(--line-500);
}

.page-disclaimer .doc-fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-disclaimer .doc-fact dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--paper-300);
}

.page-disclaimer .doc-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper-050);
  text-align: right;
  word-break: break-all;
}

.page-disclaimer .doc-hero-media {
  position: relative;
  z-index: 1;
  margin: 0;
  border-top: 1px solid var(--line-500);
}

.page-disclaimer .doc-hero-media img {
  display: block;
  width: 100%;
  height: clamp(150px, 22vw, 300px);
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(.68) contrast(1.04);
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3.4vw, 48px);
  margin-top: clamp(36px, 4.6vw, 68px);
}

/* 条款索引轴 */
.page-disclaimer .doc-rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--paper-300);
}

.page-disclaimer .doc-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .doc-rail-item {
  flex: 0 0 auto;
}

.page-disclaimer .doc-rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line-500);
  background: rgba(14, 21, 51, .62);
  color: var(--paper-300);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .doc-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate-700);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .doc-rail-link:hover,
.page-disclaimer .doc-rail-link:focus-visible {
  border-color: var(--lime-400);
  color: var(--paper-050);
}

.page-disclaimer .doc-rail-link:hover .doc-rail-num,
.page-disclaimer .doc-rail-link:focus-visible .doc-rail-num {
  color: var(--lime-400);
}

/* 条款正文 */
.page-disclaimer .doc-content {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 3.6vw, 60px);
  min-width: 0;
}

.page-disclaimer .clause {
  border-top: 1px solid var(--line-500);
  padding-top: clamp(22px, 2.6vw, 36px);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-disclaimer .clause-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 16px;
}

.page-disclaimer .clause-num {
  justify-self: start;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-500);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--paper-300);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .clause:target .clause-num {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
}

.page-disclaimer .clause-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--paper-300);
}

.page-disclaimer .clause h2 {
  font-family: var(--font-head);
  font-size: clamp(23px, 3vw, 40px);
  line-height: 1.14;
  letter-spacing: -.01em;
  font-weight: 700;
  margin: 0;
  color: var(--paper-050);
}

.page-disclaimer .clause-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper-300);
  max-width: 76ch;
}

.page-disclaimer .clause-body > p {
  margin: 0 0 15px;
}

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

.page-disclaimer .clause-body strong {
  color: var(--paper-050);
  font-weight: 600;
}

.page-disclaimer .clause-body a {
  color: var(--lime-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 77, .45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  color: var(--lime-600);
  border-bottom-color: var(--lime-600);
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 15px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.85;
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--orange-500);
}

/* 引用要求表格 */
.page-disclaimer .cite-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: clamp(18px, 2vw, 26px) 0 0;
}

.page-disclaimer .cite-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  border: 1px solid var(--line-500);
  font-size: 14px;
}

.page-disclaimer .cite-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-500);
  background: var(--ink-800);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--paper-300);
}

.page-disclaimer .cite-table thead th {
  background: var(--indigo-700);
  color: var(--paper-050);
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .05em;
}

.page-disclaimer .cite-table tbody th,
.page-disclaimer .cite-table tbody td {
  padding: 13px 16px;
  text-align: left;
  border-top: 1px solid var(--line-500);
  vertical-align: top;
}

.page-disclaimer .cite-table tbody th {
  font-weight: 500;
  color: var(--paper-050);
  width: 32%;
}

.page-disclaimer .cite-table tbody td {
  color: var(--paper-300);
  border-left: 1px solid var(--line-500);
}

.page-disclaimer .cite-table tbody tr:nth-child(even) {
  background: rgba(14, 21, 51, .58);
}

.page-disclaimer .cite-flag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  white-space: nowrap;
}

.page-disclaimer .cite-flag--free { color: var(--lime-400); }
.page-disclaimer .cite-flag--need { color: var(--orange-500); }
.page-disclaimer .cite-flag--no { color: var(--amber-600); }

/* 引用示例折叠 */
.page-disclaimer .cite-sample {
  border: 1px solid var(--line-500);
  border-top: 0;
  background: rgba(14, 21, 51, .55);
}

.page-disclaimer .cite-sample summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--paper-050);
  transition: color var(--dur) var(--ease);
}

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

.page-disclaimer .cite-sample summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime-400);
}

.page-disclaimer .cite-sample[open] summary::before {
  content: "−";
}

.page-disclaimer .cite-sample summary:hover {
  color: var(--lime-400);
}

.page-disclaimer .cite-sample-body {
  display: grid;
  gap: 12px;
  padding: 2px 16px 18px;
}

.page-disclaimer .cite-sample-item {
  border-left: 3px solid var(--line-500);
  padding: 10px 0 10px 14px;
}

.page-disclaimer .cite-sample-item--ok { border-left-color: var(--lime-400); }
.page-disclaimer .cite-sample-item--no { border-left-color: var(--amber-600); }

.page-disclaimer .cite-sample-tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--paper-300);
}

.page-disclaimer .cite-sample-item p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-050);
}

/* 数据说明卡 */
.page-disclaimer .spec-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  margin: clamp(18px, 2vw, 26px) 0 18px;
}

.page-disclaimer .spec-card {
  background: var(--ink-800);
  padding: clamp(16px, 2vw, 22px);
}

.page-disclaimer .spec-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime-400);
}

.page-disclaimer .spec-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-300);
}

/* 版本时间线 */
.page-disclaimer .rel-list {
  position: relative;
  list-style: none;
  margin: clamp(18px, 2vw, 26px) 0 18px;
  padding: 0 0 0 24px;
}

.page-disclaimer .rel-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line-500);
}

.page-disclaimer .rel-item {
  position: relative;
  padding-bottom: 18px;
}

.page-disclaimer .rel-item:last-child {
  padding-bottom: 0;
}

.page-disclaimer .rel-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 5px;
  width: 11px;
  height: 11px;
  background: var(--ink-900);
  border: 1px solid var(--line-500);
}

.page-disclaimer .rel-item--current::before {
  background: var(--lime-400);
  border-color: var(--lime-400);
}

.page-disclaimer .rel-ver {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--paper-050);
}

.page-disclaimer .rel-item--current .rel-ver {
  color: var(--lime-400);
}

.page-disclaimer .rel-item p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-300);
}

/* 联系方式 */
.page-disclaimer .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  margin: clamp(18px, 2vw, 26px) 0 18px;
}

.page-disclaimer .contact-card {
  background: var(--ink-800);
  padding: clamp(16px, 2vw, 22px);
}

.page-disclaimer .contact-key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--paper-300);
}

.page-disclaimer .contact-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-050);
  word-break: break-all;
}

.page-disclaimer .contact-val--lime {
  color: var(--lime-400);
}

/* 文末收束 */
.page-disclaimer .doc-signoff {
  margin-top: clamp(38px, 5vw, 74px);
  padding-top: 18px;
  border-top: 1px solid var(--line-500);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
}

.page-disclaimer .doc-signoff p {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--paper-300);
}

.page-disclaimer .doc-signoff-icp {
  font-family: var(--font-mono);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 600px) {
  .page-disclaimer .clause-main {
    grid-template-columns: var(--doc-num) minmax(0, 1fr);
    column-gap: clamp(14px, 2vw, 26px);
    row-gap: clamp(18px, 2.2vw, 28px);
  }

  .page-disclaimer .clause-num {
    width: var(--doc-num);
    height: var(--doc-num);
    font-size: 20px;
  }

  .page-disclaimer .clause-titles,
  .page-disclaimer .clause-body {
    grid-column: 2;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .spec-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-disclaimer .doc-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-disclaimer .doc-hero-side {
    padding-bottom: 6px;
  }
}

/* ---------- 桌面：左侧常驻条款轴 ---------- */
@media (min-width: 1040px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: var(--doc-rail) minmax(0, 1fr);
    gap: var(--doc-gap);
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-disclaimer .doc-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 4px 0 4px 0;
    border-left: 1px solid var(--line-500);
  }

  .page-disclaimer .doc-rail-item {
    position: relative;
  }

  .page-disclaimer .doc-rail-link {
    border: 0;
    background: transparent;
    padding: 12px 12px 12px 24px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-disclaimer .doc-rail-link::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 50%;
    width: 9px;
    height: 9px;
    margin-top: -5px;
    background: var(--ink-900);
    border: 1px solid var(--line-500);
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-disclaimer .doc-rail-link:hover::before,
  .page-disclaimer .doc-rail-link:focus-visible::before {
    background: var(--lime-400);
    border-color: var(--lime-400);
  }
}

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

  .page-disclaimer .doc-hero::before,
  .page-disclaimer .doc-hero-media,
  .page-disclaimer .doc-rail,
  .page-disclaimer .doc-hero-jumps,
  .page-disclaimer .doc-facts,
  .page-disclaimer .doc-hero-side {
    display: none;
  }

  .page-disclaimer .doc-hero,
  .page-disclaimer .clause,
  .page-disclaimer .doc-signoff {
    border-color: #999;
  }

  .page-disclaimer .doc-hero-shell,
  .page-disclaimer .doc-layout {
    padding-block: 0;
    margin-top: 0;
  }

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

  .page-disclaimer h1,
  .page-disclaimer .clause h2,
  .page-disclaimer .clause-body,
  .page-disclaimer .clause-body a,
  .page-disclaimer .rel-ver,
  .page-disclaimer .contact-val,
  .page-disclaimer .doc-signoff p {
    color: #111;
  }

  .page-disclaimer .doc-hero .lead,
  .page-disclaimer .clause-kicker,
  .page-disclaimer .spec-text,
  .page-disclaimer .rel-item p,
  .page-disclaimer .contact-key {
    color: #333;
  }

  .page-disclaimer .clause-num,
  .page-disclaimer .cite-sample-item,
  .page-disclaimer .rel-item--current::before {
    border-color: #666;
    background: transparent;
  }

  .page-disclaimer .cite-table,
  .page-disclaimer .cite-table tbody th,
  .page-disclaimer .cite-table tbody td,
  .page-disclaimer .spec-grid,
  .page-disclaimer .spec-card,
  .page-disclaimer .contact-grid,
  .page-disclaimer .contact-card {
    border-color: #999;
    background: #fff;
  }

  .page-disclaimer .cite-table thead th {
    background: #eee;
    color: #111;
  }

  .page-disclaimer .cite-table caption {
    background: #fff;
  }
}