/* ==========================================================
   使用条款页 · page-disclaimer
   深夜记分牌气质下的文档式条款阅读体验
   ========================================================== */

.page-disclaimer {
  --rule: rgba(200, 255, 61, .16);
  --rule-2: rgba(143, 167, 154, .26);
  --copy: #c4d7cd;
  --copy-soft: #bdd2c7;

  display: block;
  overflow-x: hidden;
  background:
    radial-gradient(90% 42% at 50% 0%, rgba(46, 31, 99, .32), transparent 70%),
    var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  padding-bottom: clamp(56px, 9vw, 104px);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 面包屑 ---------- */

.page-disclaimer .crumbs {
  padding-top: 18px;
  padding-bottom: 4px;
}

/* ---------- 斜切页头横幅 ---------- */

.page-disclaimer .terms-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 16px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 32px));
  background:
    linear-gradient(126deg, var(--violet) 0%, var(--indigo) 34%, var(--grass) 74%, var(--ink) 100%);
}

.page-disclaimer .terms-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .34;
  pointer-events: none;
}

.page-disclaimer .terms-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(234, 246, 239, .055) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(to bottom, rgba(234, 246, 239, .055) 0 1px, transparent 1px 76px),
    linear-gradient(104deg, rgba(7, 19, 15, .96) 0%, rgba(10, 25, 19, .88) 46%, rgba(27, 20, 64, .38) 100%);
}

.page-disclaimer .terms-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(42px, 7vw, 78px);
  padding-bottom: clamp(66px, 10vw, 120px);
}

.page-disclaimer .terms-hero h1 {
  margin: 18px 0 0;
  max-width: 18ch;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(32px, 6.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -.022em;
  color: var(--paper);
}

.page-disclaimer .terms-hero__lead {
  max-width: 54ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--copy-soft);
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .terms-toc {
  position: relative;
  z-index: 3;
  margin-top: -20px;
  border-bottom: 1px solid var(--rule-2);
  background: rgba(12, 32, 24, .78);
}

.page-disclaimer .terms-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 16px 0;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-disclaimer .terms-toc__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .terms-toc__list > li {
  flex: 0 0 auto;
}

.page-disclaimer .terms-toc__list a {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition:
    color .18s var(--ease),
    border-color .18s var(--ease),
    background-color .18s var(--ease);
}

.page-disclaimer .terms-toc__list a:hover,
.page-disclaimer .terms-toc__list a:focus-visible {
  color: var(--fluoro);
  border-color: var(--fluoro);
  background: rgba(200, 255, 61, .08);
  outline: none;
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .terms-body {
  max-width: 74ch;
  margin-inline: auto;
  padding-top: clamp(40px, 6.5vw, 78px);
}

.page-disclaimer .term-section {
  scroll-margin-top: 96px;
  padding: clamp(22px, 3.4vw, 32px) 0 clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--rule-2);
}

.page-disclaimer .term-section:last-of-type {
  border-bottom: 1px solid var(--rule-2);
}

.page-disclaimer .term-section:target {
  background: linear-gradient(90deg, rgba(200, 255, 61, .07), transparent 76%);
}

.page-disclaimer .term-section__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-disclaimer .term-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  padding: 0 9px;
  border: 1px solid var(--rule);
  background: rgba(200, 255, 61, .05);
  color: var(--fluoro);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
  transition:
    background-color .18s var(--ease),
    border-color .18s var(--ease),
    color .18s var(--ease);
}

.page-disclaimer .term-section:target .term-section__num {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--ink);
}

.page-disclaimer .term-section h2 {
  margin: 0 0 16px;
  font-size: clamp(21px, 3.1vw, 29px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.016em;
  color: var(--paper);
}

.page-disclaimer .term-section__body > p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .002em;
  color: var(--copy);
}

.page-disclaimer .term-section__body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .term-section__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 161, .42);
  transition:
    color .16s var(--ease),
    border-color .16s var(--ease);
}

.page-disclaimer .term-section__body a:hover,
.page-disclaimer .term-section__body a:focus-visible {
  color: var(--fluoro);
  border-bottom-color: var(--fluoro);
  outline: none;
}

/* ---------- 进入视口的淡入上移 ---------- */

.page-disclaimer [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity .5s var(--ease),
    transform .5s var(--ease);
}

.page-disclaimer [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 宽屏：侧栏编号 + 正文双栏 ---------- */

@media (min-width: 900px) {

  .page-disclaimer .terms-hero__inner {
    padding-top: clamp(64px, 7vw, 96px);
    padding-bottom: clamp(92px, 9vw, 142px);
  }

  .page-disclaimer .terms-toc__list {
    flex-wrap: wrap;
    overflow-x: visible;
    padding: 20px 0;
  }

  .page-disclaimer .term-section {
    display: grid;
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: clamp(28px, 5vw, 64px);
    align-items: start;
    padding-top: clamp(28px, 3.2vw, 40px);
    padding-bottom: clamp(30px, 3.4vw, 44px);
  }

  .page-disclaimer .term-section__kicker {
    grid-column: 1;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin: 2px 0 0;
    padding-right: 20px;
    border-right: 1px solid var(--rule-2);
    min-height: 68px;
  }

  .page-disclaimer .term-section h2 {
    grid-column: 2;
    grid-row: 1;
    margin-top: 0;
  }

  .page-disclaimer .term-section__body {
    grid-column: 2;
    grid-row: 2;
  }
}

/* ---------- 尊重减少动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {

  .page-disclaimer [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-disclaimer .terms-toc__list a,
  .page-disclaimer .term-section__num,
  .page-disclaimer .term-section__body a {
    transition: none;
  }
}

/* ---------- 打印友好 ---------- */

@media print {

  .page-disclaimer {
    background: #fff;
    color: #111;
    padding-bottom: 0;
  }

  .page-disclaimer .terms-hero {
    clip-path: none;
    background: #fff;
  }

  .page-disclaimer .terms-hero__bg,
  .page-disclaimer .terms-hero::before,
  .page-disclaimer .terms-toc {
    display: none;
  }

  .page-disclaimer .terms-hero h1,
  .page-disclaimer .term-section h2 {
    color: #111;
  }

  .page-disclaimer .terms-hero__lead,
  .page-disclaimer .term-section__body > p {
    color: #333;
  }

  .page-disclaimer .term-section__kicker {
    color: #444;
  }

  .page-disclaimer .term-section__num {
    border-color: #999;
    background: none;
    color: #111;
  }

  .page-disclaimer .term-section__body a {
    color: #111;
    border-bottom-color: #999;
  }
}
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