/* ===== page-disclaimer : 使用条款 ===== */

.page-disclaimer {
  --disc-pad: clamp(20px, 3.4vw, 40px);
  --disc-gap: clamp(16px, 2.6vw, 28px);
  --disc-paper-accent: #0e6b5c;
  --disc-rule-dark: rgba(135, 148, 161, 0.24);
  --disc-rule-paper: rgba(16, 26, 36, 0.16);
  color: var(--white);
  background: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .terms-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(26px, 5.6vw, 58px) clamp(30px, 5.5vw, 60px);
  background:
    radial-gradient(120% 120% at 6% -12%, rgba(41, 240, 208, 0.18), transparent 58%),
    radial-gradient(90% 90% at 100% 0%, rgba(255, 122, 26, 0.13), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-disclaimer .terms-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(41, 240, 208, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(41, 240, 208, 0.07) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 74%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-disclaimer .terms-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-disclaimer .terms-hero__copy {
  max-width: 60ch;
}

.page-disclaimer .terms-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .terms-hero__lead {
  margin: 18px 0 0;
  max-width: 50ch;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
}

.page-disclaimer .terms-hero__figure {
  margin: clamp(28px, 4.4vw, 46px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--surface), var(--ink-2));
  box-shadow: var(--shadow-float);
}

.page-disclaimer .terms-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 条款主体 ---------- */

.page-disclaimer .terms-body {
  padding-block: clamp(34px, 6vw, 76px) clamp(44px, 7vw, 92px);
  background:
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 46%),
    var(--ink);
}

.page-disclaimer .terms-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
}

.page-disclaimer .terms-index {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.page-disclaimer .terms-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .terms-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 12, 20, 0.55);
  color: var(--white);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-disclaimer .terms-index__list a:hover {
  border-color: var(--cyan-edge);
  color: var(--cyan);
  background: rgba(41, 240, 208, 0.08);
}

.page-disclaimer .terms-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .terms-flow {
  display: grid;
  gap: var(--disc-gap);
  min-width: 0;
}

/* ---------- 条文卡片 ---------- */

.page-disclaimer .clause {
  scroll-margin-top: calc(var(--header-h) + 26px);
  padding: var(--disc-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.page-disclaimer .clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 16px;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(41, 240, 208, 0.22);
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .clause__items {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 15px 0;
  border-top: 1px dashed var(--disc-rule-dark);
}

.page-disclaimer .clause__items > .clause-item:first-child {
  border-top: 0;
  padding-top: 14px;
}

.page-disclaimer .clause-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .clause-item p {
  margin: 0;
  max-width: 46em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--white);
}

.page-disclaimer .clause a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(41, 240, 208, 0.45);
  transition: text-decoration-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .clause a:hover {
  text-decoration-color: currentColor;
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 米白条文区 ---------- */

.page-disclaimer .clause--paper {
  background: var(--paper);
  border-color: rgba(16, 26, 36, 0.14);
  color: var(--paper-ink);
}

.page-disclaimer .clause--paper .clause__head {
  border-bottom-color: rgba(16, 26, 36, 0.2);
}

.page-disclaimer .clause--paper .clause__num {
  color: var(--disc-paper-accent);
}

.page-disclaimer .clause--paper .clause__title {
  color: var(--paper-ink);
}

.page-disclaimer .clause--paper .clause-item {
  border-top-color: var(--disc-rule-paper);
}

.page-disclaimer .clause--paper .clause-item__no {
  color: rgba(16, 26, 36, 0.52);
}

.page-disclaimer .clause--paper .clause-item p {
  color: #16202b;
}

.page-disclaimer .clause--paper a {
  color: var(--disc-paper-accent);
  text-decoration-color: rgba(14, 107, 92, 0.42);
}

.page-disclaimer .clause--paper a:focus-visible {
  outline-color: var(--disc-paper-accent);
}

/* ---------- 平板 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .clause-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 8px 16px;
  }

  .page-disclaimer .clause-item p {
    max-width: 44em;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 980px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 262px minmax(0, 1fr);
    align-items: start;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-disclaimer .terms-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 22px 18px;
  }

  .page-disclaimer .terms-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    margin-top: 16px;
  }

  .page-disclaimer .terms-index__list a {
    width: 100%;
    padding: 10px 12px;
    border-color: transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    font-size: 14px;
  }

  .page-disclaimer .terms-index__list a:hover {
    border-color: transparent;
    background: rgba(41, 240, 208, 0.09);
  }

  .page-disclaimer .terms-flow {
    gap: clamp(20px, 2.6vw, 30px);
  }
}

/* ---------- 打印 ---------- */

@media print {
  .page-disclaimer {
    background: #fff;
    color: #111;
  }

  .page-disclaimer .terms-hero {
    background: none;
    padding-block: 0 16px;
  }

  .page-disclaimer .terms-hero::before,
  .page-disclaimer .terms-hero__figure,
  .page-disclaimer .btn {
    display: none;
  }

  .page-disclaimer .terms-hero h1,
  .page-disclaimer .terms-hero__lead,
  .page-disclaimer .clause__title,
  .page-disclaimer .clause-item p {
    color: #111;
  }

  .page-disclaimer .terms-body {
    background: none;
    padding-block: 0;
  }

  .page-disclaimer .terms-layout {
    display: block;
  }

  .page-disclaimer .terms-index {
    position: static;
    border-color: #bbb;
    background: none;
  }

  .page-disclaimer .clause {
    background: none;
    border-color: #bbb;
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .page-disclaimer .clause--paper {
    background: none;
  }
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index__list a,
  .page-disclaimer .clause a {
    transition: none;
  }
}