/* ============================================
   页面：使用说明与免责声明
   作用域：.page-disclaimer
   移动端优先
============================================ */

.page-disclaimer{
  --disc-num-size: 44px;
  --disc-slash-soft: linear-gradient(135deg, rgba(255,84,0,.10) 25%, transparent 25%) 0 0 / 24px 24px;
  background: var(--c-pearl);
  color: var(--c-dark);
  overflow-x: clip;
}

/* ---- 首屏 Hero ---- */
.disc-hero{
  position: relative;
  background:
    radial-gradient(ellipse at 88% 18%, rgba(255,84,0,.18), transparent 260px),
    linear-gradient(160deg, var(--c-night) 0%, var(--c-navy) 72%, #0d1428 100%);
  color: var(--c-pearl);
  border-bottom: 4px solid var(--c-orange);
  overflow: hidden;
  padding: 24px 0 56px;
}

.disc-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background: var(--disc-slash-soft);
  opacity: .5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 72%);
  mask-image: linear-gradient(90deg, transparent, #000 72%);
}

.disc-hero::after{
  content: "TERMS // 05";
  position: absolute;
  right: 10px;
  bottom: 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: rgba(212,175,55,.5);
  writing-mode: vertical-rl;
  text-transform: uppercase;
  pointer-events: none;
}

.disc-hero__inner{
  position: relative;
  z-index: 1;
}

.disc-breadcrumb{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(245,247,250,.6);
  margin-bottom: 40px;
}

.disc-breadcrumb a{
  color: rgba(245,247,250,.78);
  text-decoration: none;
  transition: color .2s ease;
}

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

.disc-hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.disc-hero__kicker{
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-gold);
  border-left: 3px solid var(--c-orange);
  text-transform: uppercase;
}

.disc-hero h1{
  margin: 0 0 16px;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -.02em;
}

.disc-hero__lead{
  margin: 0 0 24px;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(245,247,250,.82);
}

.disc-hero__facts{
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  border-top: 1px solid rgba(212,175,55,.28);
}

.disc-hero__facts li{
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.disc-hero__facts .score-display{
  font-size: 22px;
  line-height: 1.1;
  color: var(--c-orange);
}

.disc-hero__facts span{
  font-size: 13px;
  color: rgba(245,247,250,.58);
}

.disc-hero__figure{
  position: relative;
  margin: 0;
}

.disc-hero__figure::before{
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 1px solid rgba(212,175,55,.35);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  pointer-events: none;
}

.disc-hero__figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.disc-hero__slash{
  position: absolute;
  right: -60px;
  bottom: 12px;
  width: 260px;
  height: 60px;
  background: linear-gradient(135deg, transparent 38%, rgba(255,84,0,.32) 38% 62%, transparent 62%);
  transform: rotate(12deg);
  pointer-events: none;
  z-index: 0;
}

/* ---- 条款主体 ---- */
.disc-body{
  position: relative;
  padding: 56px 0 72px;
}

.disc-body::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-gold), transparent 60%);
}

.disc-body__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

/* 目录导航 */
.disc-toc__title{
  margin: 0 0 16px;
  padding-bottom: 8px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--c-smoke);
  border-bottom: 2px solid var(--c-orange);
}

.disc-toc__list{
  list-style: none;
  margin: 0 0 20px;
  padding: 0 0 4px;
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.disc-toc__link{
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-dark);
  text-decoration: none;
  white-space: nowrap;
  background: rgba(255,84,0,.05);
  border: 1px solid #e6eaf0;
  transition: background .2s ease, color .2s ease;
}

.disc-toc__link:hover{
  background: rgba(255,84,0,.1);
  color: var(--c-lava);
}

.disc-toc__num{
  font-size: 13px;
  font-weight: 700;
  color: var(--c-orange);
}

.disc-toc__more{
  width: 100%;
  justify-content: center;
}

/* 条款卡片 */
.disc-articles{
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.disc-section{
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 24px 18px;
  background: #fff;
  border: 1px solid #e6eaf0;
  border-left: 4px solid transparent;
  scroll-margin-top: calc(var(--header-h) + 16px);
  transition: box-shadow .25s ease, transform .25s ease;
}

.disc-section::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--c-orange), var(--c-lava));
  opacity: .9;
}

.disc-section__num{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  color: var(--c-pearl);
  background: var(--c-orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.disc-section h2{
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.disc-section p{
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-dark);
}

.disc-section p:last-child{
  margin-bottom: 0;
}

.disc-section mark{
  padding: 0 2px;
  font-weight: 700;
  color: var(--c-lava);
  background: linear-gradient(180deg, transparent 62%, rgba(255,84,0,.18) 62%);
}

.disc-section__note{
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(29,155,240,.06);
  border-left: 3px solid var(--c-cyber);
}

.disc-section__note .signal-line{
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-dark);
}

.disc-list{
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.disc-list li{
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.65;
}

.disc-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--c-gold);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* 免责内容警示区 */
.disc-section--alert{
  border-color: rgba(255,84,0,.35);
  background: linear-gradient(180deg, #fff 70%, rgba(255,84,0,.04));
}

.disc-alert{
  position: relative;
  margin: 16px 0;
  padding: 18px 16px 18px 20px;
  background: linear-gradient(135deg, rgba(255,84,0,.12), rgba(255,84,0,.04));
  border: 1px solid rgba(255,84,0,.35);
  border-right: none;
  box-shadow: inset 4px 0 0 var(--c-orange);
}

.disc-alert strong{
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--c-lava);
  letter-spacing: .04em;
}

.disc-alert p{
  margin: 0;
  font-size: 14px;
  color: var(--c-smoke);
}

.disc-rule{
  padding-top: 14px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--c-smoke);
  border-top: 1px dashed rgba(212,175,55,.5);
}

/* 联系更新 */
.disc-contact{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.disc-contact__item{
  padding: 14px 16px;
  background: var(--c-night);
  border-left: 3px solid var(--c-orange);
}

.disc-contact__item .contact-label{
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(245,247,250,.55);
}

.disc-contact__item .contact-value{
  font-size: 15px;
  font-weight: 600;
  color: var(--c-pearl);
  word-break: break-all;
}

.disc-contact__note{
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-smoke);
}

/* 底部说明 */
.disc-fineprint{
  position: relative;
  overflow: hidden;
  padding: 28px 0;
  background: var(--c-night);
  border-top: 4px solid var(--c-orange);
}

.disc-fineprint::before{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(212,175,55,.08) 50%, transparent 70%);
  pointer-events: none;
}

.disc-fineprint__inner{
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.disc-fineprint__text{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245,247,250,.7);
}

.disc-fineprint__text .signal-dot--gold{
  flex-shrink: 0;
  margin-top: 6px;
}

.disc-fineprint__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.disc-fineprint .btn-outline{
  color: var(--c-pearl);
  border-color: rgba(245,247,250,.4);
}

.disc-fineprint .btn-outline:hover{
  border-color: var(--c-pearl);
  color: var(--c-orange);
}

/* 触屏悬停弱化 */
@media (hover: hover){
  .disc-section:hover{
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
  }
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px){
  .disc-hero{
    padding: 32px 0 64px;
  }

  .disc-hero h1{
    font-size: 44px;
  }

  .disc-hero__lead{
    font-size: 17px;
  }

  .disc-hero__grid{
    grid-template-columns: 1.1fr .9fr;
    gap: 40px;
    align-items: center;
  }

  .disc-hero__facts .score-display{
    font-size: 28px;
  }

  .disc-section{
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding: 28px 26px;
  }

  .disc-section__num{
    width: 48px;
    height: 48px;
    font-size: 17px;
  }

  .disc-section h2{
    font-size: 24px;
  }

  .disc-toc__list{
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .disc-toc__link{
    flex: initial;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    white-space: normal;
    border-radius: 0;
  }

  .disc-toc__link:hover{
    background: rgba(255,84,0,.06);
    border-left-color: var(--c-orange);
  }

  .disc-toc__num{
    width: 22px;
    text-align: right;
  }

  .disc-contact{
    grid-template-columns: 1fr 1fr;
  }

  .disc-fineprint__inner{
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 1024px){
  .disc-body{
    padding: 72px 0 88px;
  }

  .disc-body__grid{
    grid-template-columns: 240px 1fr;
    gap: 64px;
  }

  .disc-toc{
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .disc-toc__more{
    margin-top: 4px;
  }

  .disc-hero h1{
    font-size: 54px;
  }

  .disc-hero__kicker{
    font-size: 13px;
  }

  .disc-articles{
    gap: 40px;
  }
}