.page-disclaimer {
  --doc-max: 840px;
  --doc-lead: 64px;
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .agreement-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 5vw, 60px);
  background:
    linear-gradient(148deg, var(--ink-800) 0%, var(--ink-900) 46%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-disclaimer .agreement-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -18%;
  width: 58%;
  height: 220px;
  background: linear-gradient(105deg, transparent 0%, rgba(184, 255, 61, 0.12) 58%, transparent 100%);
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-disclaimer .agreement-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--lime) 0%, var(--stroke) 34%, transparent 100%);
}

.page-disclaimer .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-disclaimer .hero-copy {
  min-width: 0;
}

.page-disclaimer h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 9vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--paper);
}

.page-disclaimer .hero-lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .hero-tags {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-disclaimer .hero-media {
  margin: 0;
  border-left: 2px solid var(--ice);
}

.page-disclaimer .hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .agreement-index {
  padding: clamp(22px, 3.4vw, 34px) 0;
  background: var(--ink-800);
  border-bottom: 1px solid var(--stroke);
}

.page-disclaimer .index-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .index-item {
  min-width: 0;
}

.page-disclaimer .index-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink-700);
  border-left: 3px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-disclaimer .index-link:hover,
.page-disclaimer .index-link:focus-visible {
  background: var(--ink-900);
  border-left-color: var(--lime);
  outline: none;
}

.page-disclaimer .index-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-disclaimer .index-label {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

/* ---------- 文档正文 ---------- */
.page-disclaimer .doc {
  max-width: var(--doc-max);
  margin: clamp(32px, 5vw, 64px) auto 0;
}

.page-disclaimer .doc-section {
  padding-bottom: clamp(28px, 4vw, 46px);
  margin-bottom: clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--stroke);
}

.page-disclaimer .doc-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .doc-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: clamp(14px, 2.2vw, 20px);
}

.page-disclaimer .doc-num {
  flex: 0 0 auto;
  display: inline-block;
  margin-top: 4px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-900);
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-disclaimer .doc-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
  min-width: 0;
}

.page-disclaimer .doc-body > p {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 246, 232, 0.82);
  overflow-wrap: break-word;
}

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

/* 关键条款引用框 */
.page-disclaimer .clause-note {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid var(--lime);
  background: var(--ink-800);
}

.page-disclaimer .clause-note p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(241, 246, 232, 0.86);
}

.page-disclaimer .clause-title {
  margin-bottom: 6px !important;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
}

/* 使用规范列表 */
.page-disclaimer .rule-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(241, 246, 232, 0.82);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--lime);
  transform: rotate(-32deg);
}

/* 联系区 */
.page-disclaimer .doc-contact {
  margin-top: 20px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-700);
  border-top: 2px solid var(--lime);
}

.page-disclaimer .contact-block {
  padding: 10px 0;
  border-bottom: 1px dashed var(--stroke);
}

.page-disclaimer .contact-block:first-child {
  padding-top: 0;
}

.page-disclaimer .contact-key {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .contact-value {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .contact-value--num {
  font-family: var(--font-mono);
  color: var(--ice);
  letter-spacing: 0.01em;
}

.page-disclaimer .contact-note {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-disclaimer .contact-actions .btn {
  font-size: 13px;
}

/* 回到顶部 */
.page-disclaimer .to-top {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 20;
  display: inline-block;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink-900);
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  background: var(--ice);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-disclaimer .index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-disclaimer .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-disclaimer .index-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-disclaimer .index-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 14px;
    min-height: 76px;
  }

  .page-disclaimer .doc-section {
    display: grid;
    grid-template-columns: var(--doc-lead) minmax(0, 1fr);
    column-gap: clamp(16px, 3vw, 32px);
    align-items: start;
  }

  .page-disclaimer .doc-head {
    display: block;
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 12px);
  }

  .page-disclaimer .doc-head h2 {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }

  .page-disclaimer .doc-num {
    margin-top: 2px;
  }

  .page-disclaimer .doc-body,
  .page-disclaimer .doc-contact {
    grid-column: 2;
    min-width: 0;
  }

  .page-disclaimer .doc-section {
    grid-template-areas: none;
  }

  .page-disclaimer .doc-head::after {
    content: "";
    display: block;
    width: 2px;
    height: 40px;
    margin: 12px 0 0 14px;
    background: linear-gradient(180deg, var(--stroke), transparent);
  }

  .page-disclaimer .contact-actions {
    gap: 12px;
  }

  .page-disclaimer .to-top {
    right: 26px;
    bottom: 28px;
    padding: 11px 18px;
    font-size: 13px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .doc {
    max-width: 900px;
  }

  .page-disclaimer .doc-body > p,
  .page-disclaimer .rule-list li {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .index-link,
  .page-disclaimer .to-top {
    transition: none;
  }

  .page-disclaimer .to-top:hover,
  .page-disclaimer .to-top:focus-visible {
    transform: none;
  }
}