/* ===== 使用条款 · 页面专属样式（作用域 .page-disclaimer） ===== */

.page-disclaimer {
  --dc-slot: 78px;
  --dc-rule: rgba(139, 155, 196, .16);
  --dc-rule-cyan: rgba(34, 224, 224, .34);
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 页首横幅 ---------- */

.page-disclaimer .dc-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 46px) 0 clamp(36px, 6vw, 64px);
  border-bottom: 1px solid var(--line-cyan);
  background: linear-gradient(112deg, #0B1226 0%, #05060E 56%, #16224A 100%);
}

.page-disclaimer .dc-banner__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-disclaimer .dc-banner__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}

.page-disclaimer .dc-banner__scan {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(34, 224, 224, .06) 0,
    rgba(34, 224, 224, .06) 1px,
    transparent 1px,
    transparent 4px
  );
}

.page-disclaimer .dc-banner__glow {
  position: absolute;
  top: -46%;
  right: -14%;
  z-index: -1;
  width: min(520px, 54%);
  aspect-ratio: 1 / 1;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 46, 126, .32), rgba(255, 46, 126, 0) 68%);
}

.page-disclaimer .dc-banner__inner {
  position: relative;
}

.page-disclaimer .dc-banner__inner .eyebrow {
  margin-top: clamp(16px, 3vw, 28px);
}

.page-disclaimer h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 7vw, 46px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
  transform: scaleX(1.03);
  transform-origin: left center;
}

.page-disclaimer h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 3px;
  margin-top: 18px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
}

.page-disclaimer .dc-banner__lead {
  max-width: 68ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 16px;
  line-height: 1.78;
}

.page-disclaimer .dc-banner__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

.page-disclaimer .dc-banner__meta-text {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 条款索引 ---------- */

.page-disclaimer .dc-toc {
  padding-top: clamp(36px, 6vw, 64px);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}

.page-disclaimer .dc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 2px 13px 0;
  border-bottom: 1px solid var(--dc-rule);
  text-decoration: none;
  color: var(--paper);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-magenta);
}

.page-disclaimer .dc-toc__idx {
  flex: 0 0 auto;
  font-size: 15px;
  font-weight: 600;
  color: var(--magenta);
}

.page-disclaimer .dc-toc__label {
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .dc-clauses {
  margin-top: clamp(38px, 6vw, 68px);
  padding-top: clamp(20px, 3vw, 34px);
  border-top: 1px dashed var(--dc-rule);
}

.page-disclaimer .dc-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: clamp(24px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--dc-rule);
  scroll-margin-top: 96px;
}

.page-disclaimer .dc-clause__slot {
  position: relative;
}

.page-disclaimer .dc-clause__num {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
  background: none;
  border: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .dc-clause__num::before {
  content: "#";
  font-size: .72em;
  color: var(--magenta);
}

.page-disclaimer .dc-clause__num:hover {
  color: var(--amber);
}

.page-disclaimer .dc-clause__num:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 3px;
}

.page-disclaimer .dc-clause__body {
  max-width: 78ch;
}

.page-disclaimer .dc-clause__body h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .dc-clause__body p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 240, 255, .9);
}

.page-disclaimer .dc-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .dc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(234, 240, 255, .9);
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 9px;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
}

/* ---------- 相关条目 ---------- */

.page-disclaimer .dc-more {
  padding-top: clamp(46px, 7vw, 84px);
}

.page-disclaimer .dc-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
}

.page-disclaimer .dc-card__title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .dc-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .dc-card__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .dc-card:hover .dc-card__go,
.page-disclaimer .dc-card:focus-visible .dc-card__go {
  color: var(--amber);
}

/* ---------- 回到顶部 ---------- */

.page-disclaimer .dc-top {
  display: flex;
  justify-content: flex-end;
  padding-top: clamp(28px, 4vw, 46px);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .dc-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 24px;
  }
}

@media (min-width: 768px) {
  .page-disclaimer .dc-clause {
    grid-template-columns: var(--dc-slot) minmax(0, 1fr);
    gap: 0 clamp(18px, 3vw, 38px);
    padding: clamp(28px, 4vw, 48px) 0;
  }

  .page-disclaimer .dc-clause__slot::after {
    content: "";
    position: absolute;
    right: 0;
    top: 6px;
    bottom: 10px;
    width: 1px;
    background: linear-gradient(180deg, var(--dc-rule-cyan), rgba(34, 224, 224, 0));
  }

  .page-disclaimer .dc-clause__num {
    padding-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .dc-toc__list {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 0 22px;
  }

  .page-disclaimer .dc-banner {
    padding-top: clamp(34px, 4vw, 54px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__link,
  .page-disclaimer .dc-clause__num,
  .page-disclaimer .dc-card__go {
    transition: none;
  }
}