/* ============================================================
   page: disclaimer — 使用条款与内容引用规范
   scope: .page-disclaimer
   ============================================================ */

.page-disclaimer {
  --tc-sec-gap: clamp(30px, 5vw, 58px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------------- 首屏 ---------------- */
.page-disclaimer .tc-hero {
  position: relative;
  padding: clamp(22px, 4.5vw, 48px) 0 clamp(40px, 7vw, 88px);
  background:
    radial-gradient(115% 85% at 88% -12%, rgba(255, 107, 26, .20) 0%, rgba(255, 107, 26, 0) 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--night) 100%);
}

.page-disclaimer .tc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(118deg, rgba(244, 239, 230, .045) 0 1px, transparent 1px 28px);
}

.page-disclaimer .tc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .tc-hero .breadcrumb {
  margin: 0 0 clamp(20px, 3.6vw, 34px);
}

.page-disclaimer .tc-hero__rule {
  width: min(240px, 46%);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-disclaimer .tc-hero .eyebrow {
  margin: 0 0 12px;
  color: var(--sand);
}

.page-disclaimer .tc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 56px);
  align-items: end;
}

.page-disclaimer .tc-hero__text .h-display {
  margin: 0;
  max-width: 20em;
  color: var(--paper);
}

.page-disclaimer .tc-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.55vw, 17.5px);
  line-height: 1.85;
  color: var(--paper-88);
}

.page-disclaimer .tc-hero__meta {
  margin-top: clamp(20px, 3.4vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-disclaimer .tc-version {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 15px;
  border: 1px solid rgba(217, 164, 65, .48);
  border-radius: var(--r-pill);
  background: rgba(217, 164, 65, .09);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--sand);
  cursor: default;
}

.page-disclaimer .tc-version::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sand);
}

.page-disclaimer .tc-version__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: min(280px, 76vw);
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0;
  box-shadow: 0 14px 32px rgba(0, 0, 0, .38);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  z-index: 6;
}

.page-disclaimer .tc-version:hover .tc-version__tip,
.page-disclaimer .tc-version:focus-visible .tc-version__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-disclaimer .tc-hero__stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper-50);
  word-break: break-all;
}

.page-disclaimer .tc-hero__figure {
  margin: 0;
}

.page-disclaimer .tc-hero__figure .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hair);
  box-shadow: 0 26px 60px rgba(0, 0, 0, .42);
}

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

/* ---------------- 斜切分隔带 ---------------- */
.page-disclaimer .tc-slash {
  height: 5px;
  background: linear-gradient(90deg, var(--flame) 0%, var(--sand) 58%, rgba(217, 164, 65, 0) 100%);
  transform: skewY(-1.1deg);
  transform-origin: left center;
}

/* ---------------- 目录索引 ---------------- */
.page-disclaimer .tc-index {
  padding: clamp(22px, 4vw, 38px) 0 clamp(26px, 4.5vw, 46px);
  background: var(--ink-2);
}

.page-disclaimer .tc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .tc-index__list li {
  display: flex;
}

.page-disclaimer .tc-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  color: var(--paper-88);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.45;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-disclaimer .tc-index__list a:hover,
.page-disclaimer .tc-index__list a:focus-visible {
  border-color: var(--flame);
  background: rgba(255, 107, 26, .12);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-disclaimer .tc-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--flame);
}

/* ---------------- 正文纸条区 ---------------- */
.page-disclaimer .tc-body {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(40px, 7vw, 90px) 0 clamp(44px, 7vw, 100px);
}

.page-disclaimer .tc-body > .wrap {
  display: block;
}

.page-disclaimer .tc-body--cont {
  padding-top: clamp(46px, 7vw, 96px);
}

.page-disclaimer .tc-sec {
  scroll-margin-top: 24px;
}

.page-disclaimer .tc-sec + .tc-sec {
  margin-top: var(--tc-sec-gap);
  padding-top: var(--tc-sec-gap);
  border-top: 1px solid var(--hair-ink);
}

.page-disclaimer .tc-sec .h-section {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  color: var(--ink);
}

.page-disclaimer .tc-sec__num {
  display: inline-block;
  margin-right: 14px;
  font-family: var(--font-mono);
  font-size: .5em;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--flame);
  vertical-align: .32em;
}

.page-disclaimer .tc-body--cont .tc-sec__num {
  color: var(--clay);
}

.page-disclaimer .tc-sec__body {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-disclaimer .tc-sec__body .prose {
  margin: 0;
  max-width: 40em;
  color: var(--ink);
}

/* 条目列表 */
.page-disclaimer .tc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
  max-width: 44em;
}

.page-disclaimer .tc-list > li {
  position: relative;
  padding-left: 30px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink);
}

.page-disclaimer .tc-list > li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .82em;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--flame);
}

.page-disclaimer .tc-list--clay > li::before {
  background: var(--clay);
}

.page-disclaimer .tc-list strong {
  font-weight: 700;
}

/* 提示卡 */
.page-disclaimer .tc-note {
  padding: clamp(18px, 2.8vw, 26px) clamp(18px, 2.8vw, 28px);
  border-radius: var(--r-md);
}

.page-disclaimer .tc-note--clay {
  background: rgba(196, 85, 43, .07);
  border-left: 3px solid var(--clay);
}

.page-disclaimer .tc-note__title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--clay);
}

.page-disclaimer .tc-note__foot {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------------- 引用格式示例（深色带） ---------------- */
.page-disclaimer .tc-formats {
  position: relative;
  padding: clamp(44px, 7vw, 96px) 0 clamp(50px, 8vw, 104px);
  color: var(--paper);
  background:
    radial-gradient(85% 70% at 10% 0%, rgba(31, 138, 112, .18) 0%, rgba(31, 138, 112, 0) 62%),
    radial-gradient(70% 60% at 96% 100%, rgba(255, 107, 26, .14) 0%, rgba(255, 107, 26, 0) 60%),
    var(--ink);
  overflow: hidden;
}

.page-disclaimer .tc-formats::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(244, 239, 230, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 239, 230, .05) 1px, transparent 1px);
  background-size: 52px 52px;
}

.page-disclaimer .tc-formats > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .tc-formats .h-section {
  margin: 0;
  color: var(--paper);
}

.page-disclaimer .tc-formats__lede {
  margin: clamp(14px, 2.4vw, 20px) 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-88);
}

.page-disclaimer .tc-fmt-grid {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 24px);
}

.page-disclaimer .tc-fmt {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(20, 42, 85, .95) 0%, rgba(8, 21, 44, .92) 100%);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-disclaimer .tc-fmt:hover {
  border-color: rgba(255, 107, 26, .5);
  transform: translateY(-4px);
}

.page-disclaimer .tc-fmt__tag {
  align-self: flex-start;
  padding: 4px 12px;
  border: 1px solid rgba(255, 107, 26, .42);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--flame);
}

.page-disclaimer .tc-fmt .h-card {
  margin: 0;
  color: var(--paper);
}

.page-disclaimer .tc-fmt__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-70);
}

.page-disclaimer .tc-fmt__sample {
  margin-top: auto;
  padding: 14px 16px;
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  background: rgba(8, 21, 44, .72);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--paper-88);
  word-break: break-word;
}

.page-disclaimer .tc-fmt__sample p {
  margin: 0;
}

.page-disclaimer .tc-fmt__sample p + p {
  margin-top: 10px;
}

.page-disclaimer .tc-fmt__src {
  color: var(--paper-50);
  font-size: 11.5px;
}

/* ---------------- 内联等宽与复制 ---------------- */
.page-disclaimer .tc-mono {
  font-family: var(--font-mono);
  font-size: .93em;
  color: var(--clay);
  word-break: break-all;
}

.page-disclaimer .tc-copyline {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------------- 收尾 ---------------- */
.page-disclaimer .tc-end {
  margin-top: var(--tc-sec-gap);
  padding-top: var(--tc-sec-gap);
  border-top: 1px solid var(--hair-ink);
}

.page-disclaimer .tc-end__lede {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .tc-end__copy {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--stone);
}

.page-disclaimer .tc-end__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------------- 窄屏 ---------------- */
@media (max-width: 599px) {
  .page-disclaimer .tc-hero__grid {
    gap: 26px;
  }

  .page-disclaimer .tc-hero__stamp {
    font-size: 11px;
  }

  .page-disclaimer .tc-index__list a {
    padding: 7px 13px;
    font-size: 12.5px;
  }

  .page-disclaimer .tc-list > li {
    padding-left: 24px;
    font-size: 15.5px;
  }

  .page-disclaimer .tc-list > li::before {
    width: 11px;
  }

  .page-disclaimer .tc-hero__lede {
    font-size: 15px;
  }
}

/* ---------------- 宽屏栅格 ---------------- */
@media (min-width: 760px) {
  .page-disclaimer .tc-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .page-disclaimer .tc-fmt-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .tc-sec__body {
    grid-template-columns: minmax(0, 1fr);
    padding-left: clamp(0px, 2.5vw, 34px);
  }
}

/* ---------------- 减少动效 ---------------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .tc-index__list a,
  .page-disclaimer .tc-fmt,
  .page-disclaimer .tc-version__tip {
    transition: none;
  }

  .page-disclaimer .tc-index__list a:hover,
  .page-disclaimer .tc-fmt:hover {
    transform: none;
  }
}