.page-disclaimer {
  position: relative;
  background-color: var(--paper);
  background-image: radial-gradient(var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: var(--font-body);
  color: var(--ink);
}

/* ===== 顶部区域 ===== */
.terms-hero {
  position: relative;
  border-bottom: 2px solid var(--ink);
  background-color: var(--paper);
}

.terms-hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px var(--gutter) 32px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--night);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--night);
  text-underline-offset: 4px;
  transition: color 0.15s ease;
}

.breadcrumb a:hover {
  color: var(--orange);
}

.breadcrumb-sep {
  color: var(--warm-line);
}

.breadcrumb span[aria-current="page"] {
  color: var(--brick);
  font-weight: 600;
}

.terms-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-disclaimer .coordinate-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--night);
  background: rgba(14, 27, 42, 0.06);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.terms-hero-text h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1.2;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
}

.terms-hero-text > p:not(.coordinate-label) {
  font-size: 16px;
  line-height: 1.8;
  max-width: 40em;
  margin: 0 0 24px;
  color: var(--ink);
}

.terms-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-disclaimer .status-chip[data-status="online"] {
  display: inline-block;
  background: var(--sea);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 2px;
}

.terms-version {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--night);
  border: 1px solid var(--warm-line);
  padding: 4px 10px;
}

.terms-hero-figure {
  margin: 0;
  max-width: 400px;
}

.terms-hero-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-card);
}

.terms-hero-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--night);
  text-align: right;
  letter-spacing: 0.04em;
  margin-top: 8px;
}

/* ===== 主体两栏布局 ===== */
.terms-layout {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px var(--gutter) 64px;
  position: relative;
}

/* ===== 左侧索引 ===== */
.terms-index {
  align-self: start;
  border: 2px solid var(--ink);
  background: rgba(255, 255, 255, 0.72);
  padding: 20px;
  position: relative;
}

.terms-index-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--night);
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--warm-line);
}

.terms-index-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  counter-reset: terms-index;
}

.terms-index-list li {
  counter-increment: terms-index;
  margin-bottom: 4px;
}

.terms-index-list a {
  display: block;
  padding: 8px 10px;
  color: var(--ink);
  text-decoration: none;
  border-left: 3px solid transparent;
  font-size: 15px;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.terms-index-list a::before {
  content: counter(terms-index, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--night);
  margin-right: 8px;
}

.terms-index-list a:hover {
  border-left-color: var(--orange);
  background-color: rgba(232, 93, 47, 0.08);
  color: var(--orange);
}

.terms-back-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--night);
  text-decoration: none;
  border-top: 1px solid var(--warm-line);
  padding-top: 12px;
  transition: color 0.15s ease;
}

.terms-back-top:hover {
  color: var(--orange);
}

/* ===== 右侧条文 ===== */
.terms-content {
  min-width: 0;
}

.terms-section {
  scroll-margin-top: 32px;
  padding: 28px 0 12px;
  border-top: 2px solid var(--ink);
  transition: background-color 0.2s ease, padding 0.2s ease;
}

.terms-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.terms-section:target {
  background: rgba(233, 180, 76, 0.08);
  border-left: 4px solid var(--cream);
  padding: 24px 16px 12px;
}

.terms-section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 14px;
}

.terms-num {
  font-family: var(--font-mono);
  font-size: 44px;
  line-height: 1;
  font-weight: 700;
  color: var(--orange);
  padding: 6px 12px 10px;
  border: 1px solid rgba(232, 93, 47, 0.2);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(232, 93, 47, 0.08) 0,
    rgba(232, 93, 47, 0.08) 6px,
    transparent 6px,
    transparent 12px
  );
}

.terms-section-head h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.terms-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.terms-body p {
  margin: 0 0 14px;
}

.terms-body b {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.terms-body ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.terms-body li {
  margin-bottom: 8px;
}

.terms-body li::marker {
  color: var(--orange);
}

.terms-body a {
  color: var(--night);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--cream);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.terms-body a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* ===== 悬停注释气泡 ===== */
.hint-pop {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  width: 220px;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.5;
  font-family: var(--font-body);
  box-shadow: 3px 3px 0 rgba(232, 93, 47, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) scale(0.95);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 10;
  pointer-events: none;
}

.hint-pop::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -6px;
  border: 6px solid transparent;
  border-top-color: var(--ink);
}

.word-hint:hover .hint-pop,
.word-hint:focus-within .hint-pop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}

/* ===== 底部联系卡 ===== */
.terms-footer {
  margin-top: 48px;
  padding: 24px 0 0;
  border-top: 2px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.terms-footer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.terms-footer p a {
  color: var(--night);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--cream);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.terms-footer p a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

.terms-footer .btn {
  flex: 0 0 auto;
}

.page-disclaimer .btn-ghost {
  display: inline-block;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.page-disclaimer .btn-ghost:hover {
  background: var(--orange);
  color: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
}

/* ===== 台式宽度布局 ===== */
@media (min-width: 860px) {
  .terms-hero-inner {
    padding-top: 64px;
    padding-bottom: 48px;
  }

  .terms-hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
  }

  .terms-hero-text h1 {
    font-size: 40px;
  }

  .terms-layout {
    grid-template-columns: 260px 1fr;
    gap: 48px;
    padding-top: 48px;
    padding-bottom: 80px;
  }

  .terms-index {
    position: sticky;
    top: 24px;
  }

  .terms-section-head h2 {
    font-size: 26px;
  }

  .terms-num {
    font-size: 48px;
  }
}