/* ========== 使用条款页专属样式 ========== */
.page-disclaimer {
  --terms-sidebar-w: 288px;
  background: var(--paper);
  color: var(--gray);
  font-family: var(--font-serif);
  line-height: 1.75;
}

/* ---------- 面包屑适配深色背景 ---------- */
.page-disclaimer .breadcrumbs {
  padding-top: 24px;
  padding-bottom: 12px;
}
.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.page-disclaimer .breadcrumb-link {
  color: var(--gold);
  text-decoration: none;
}
.page-disclaimer .breadcrumb-link:hover,
.page-disclaimer .breadcrumb-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-disclaimer .breadcrumb-item {
  color: rgba(255, 255, 255, 0.55);
}
.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "·";
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.3);
}

/* ---------- 条款头部 Hero 区 ---------- */
.terms-hero {
  background: var(--ink);
  color: var(--white);
  padding-bottom: 44px;
  position: relative;
  overflow: hidden;
}
.terms-hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -60px;
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, transparent 49.5%, rgba(201, 160, 99, 0.16) 50%, transparent 50.5%);
  pointer-events: none;
}
.terms-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--orange));
}
.terms-hero-grid {
  display: grid;
  gap: 24px;
}
.terms-hero-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}
.terms-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 30px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}
.terms-hero-lead {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sky);
  max-width: 540px;
}
.terms-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.terms-hero-actions .btn {
  cursor: pointer;
}
.terms-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}
.terms-hero-meta .meta-label {
  color: var(--gold);
  margin-right: 4px;
}
.terms-hero-figure {
  margin: 0;
}
.terms-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

/* ---------- 条款主体 ---------- */
.terms-body {
  padding: 40px 0 64px;
}
.terms-layout {
  display: grid;
  gap: 32px;
}
.terms-nav {
  order: 1;
}
.terms-content {
  order: 2;
}

/* 条款目录侧栏 */
.terms-nav-inner {
  background: var(--white);
  border: 1px solid var(--sky);
  border-top: 4px solid var(--gold);
  padding: 20px;
  margin-bottom: 8px;
}
.terms-nav-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--sky);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}
.terms-nav-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.terms-nav-list a {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  color: var(--blue);
  background: var(--paper);
  border: 1px solid var(--sky);
  border-radius: 3px;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.terms-nav-list a:hover,
.terms-nav-list a:focus-visible {
  background: var(--light-gold);
  border-color: var(--gold);
  color: var(--ink);
}
.terms-nav-link {
  display: inline-block;
  font-size: 13px;
  color: var(--green);
  text-decoration: none;
  margin-top: 10px;
}
.terms-nav-link:hover,
.terms-nav-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 2px;
}
.terms-nav-contact {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--sky);
}
.terms-nav-contact .mono {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.terms-nav-contact p {
  margin: 0;
  font-size: 12px;
  color: rgba(31, 36, 48, 0.7);
  line-height: 1.6;
}

/* 条款卡片 */
.terms-content {
  display: grid;
  gap: 20px;
  align-content: start;
}
.terms-item {
  background: var(--white);
  border: 1px solid var(--sky);
  border-left: 4px solid var(--blue);
  padding: 22px 20px;
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: border-left-color 0.18s ease, box-shadow 0.18s ease;
}
.terms-item:hover {
  border-left-color: var(--gold);
  box-shadow: 0 6px 20px rgba(10, 30, 61, 0.06);
}
.terms-item-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}
.terms-item-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
  transition: color 0.18s ease;
}
.terms-item:hover .terms-item-num {
  color: var(--orange);
}
.terms-item-head h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}
.terms-item-body p {
  margin: 0 0 12px;
  font-size: 15px;
}
.terms-item-body p:last-child {
  margin-bottom: 0;
}
.terms-item-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(19, 88, 179, 0.35);
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
.terms-item-body a:hover,
.terms-item-body a:focus-visible {
  color: var(--ink);
  text-decoration-color: var(--ink);
}
.terms-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

/* 免责声明特殊块 */
.terms-item--notice {
  border-left-color: var(--gold);
  background: linear-gradient(160deg, var(--paper) 0%, var(--white) 100%);
}
.terms-notice-block {
  position: relative;
  background: var(--light-gold);
  border: 2px solid var(--gold);
  border-left-width: 6px;
  padding: 22px 20px 20px;
  margin-top: 4px;
}
.terms-notice-block::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 24px;
  height: 24px;
  background: var(--gold);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.terms-notice-lead {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 12px;
}
.terms-notice-block p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 10px;
}
.terms-notice-block p:last-child {
  margin-bottom: 0;
}

/* 用户行为规范列表 */
.terms-rules-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.terms-rules-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.65;
}
.terms-rules-list li::before {
  content: "—";
  position: absolute;
  left: 2px;
  top: 0;
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* 文档尾注 */
.terms-doc-footer {
  background: var(--white);
  border: 1px dashed var(--sky);
  border-left: 4px solid var(--green);
  padding: 18px 20px;
}
.terms-doc-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(31, 36, 48, 0.8);
}
.terms-doc-note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 768px) {
  .terms-hero {
    padding-bottom: 56px;
  }
  .terms-hero h1 {
    font-size: 38px;
  }
  .terms-hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }
  .terms-body {
    padding: 56px 0 80px;
  }
  .terms-item {
    padding: 26px 24px;
  }
  .terms-notice-block {
    padding: 26px 24px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 992px) {
  .terms-layout {
    grid-template-columns: var(--terms-sidebar-w) 1fr;
    gap: 48px;
  }
  .terms-nav {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
  .terms-nav-inner {
    margin-bottom: 0;
  }
  .terms-nav-list {
    display: grid;
    gap: 2px;
  }
  .terms-nav-list a {
    display: block;
    padding: 8px 12px;
    border: none;
    border-left: 2px solid transparent;
    background: transparent;
    border-radius: 0;
  }
  .terms-nav-list a:hover,
  .terms-nav-list a:focus-visible {
    background: var(--paper);
    border-left-color: var(--gold);
  }
  .terms-content {
    order: 0;
    gap: 24px;
  }
  .terms-item {
    padding: 30px 30px;
  }
  .terms-doc-footer {
    padding: 20px 24px;
  }
}

/* ---------- 打印优化 ---------- */
@media print {
  .terms-hero-actions,
  .terms-nav,
  .terms-hero-figure,
  .terms-tag-row {
    display: none !important;
  }
  .terms-hero,
  .terms-hero h1,
  .terms-hero .terms-hero-kicker,
  .terms-hero .terms-hero-lead,
  .terms-hero .breadcrumb-link,
  .terms-hero .breadcrumb-item {
    color: var(--gray);
    background: transparent;
  }
  .terms-hero {
    padding-bottom: 20px;
  }
  .terms-body {
    padding: 20px 0 0;
  }
  .terms-item,
  .terms-doc-footer {
    break-inside: avoid;
    box-shadow: none;
  }
}