/* ============ 页面：访问须知 /notice/ ============ */

.page-disclaimer {
  --rule: rgba(90, 74, 30, 0.55);
  --rule-gold: rgba(201, 162, 39, 0.26);
  --paper-soft: rgba(242, 240, 233, 0.8);
  --paper-dim: rgba(242, 240, 233, 0.6);

  display: block;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(115% 55% at 86% -8%, rgba(46, 111, 115, 0.26), transparent 60%),
    radial-gradient(85% 45% at -12% 38%, rgba(201, 162, 39, 0.09), transparent 64%);
  background-repeat: no-repeat;
  padding-bottom: clamp(40px, 8vw, 88px);
}

.page-disclaimer *,
.page-disclaimer *::before,
.page-disclaimer *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .notice-hero {
  padding-top: calc(var(--header-h) + clamp(24px, 5vw, 56px));
}

.page-disclaimer .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-disclaimer .hero-copy {
  min-width: 0;
}

.page-disclaimer .notice-hero .crumbs {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-disclaimer .notice-hero .eyebrow {
  margin: 0 0 0.85em;
  color: var(--ripple-light);
}

.page-disclaimer .notice-hero .display {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  font-family: var(--font-display);
  font-size: clamp(38px, 8.4vw, 70px);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .notice-hero .display::after {
  content: "";
  display: block;
  width: clamp(60px, 10vw, 108px);
  height: 3px;
  margin-top: clamp(16px, 2.6vw, 24px);
  border-radius: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(46, 111, 115, 0));
}

.page-disclaimer .notice-hero .lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(16px, 1.35vw, 17.5px);
  line-height: 1.92;
  color: var(--paper-soft);
}

.page-disclaimer .hero-meta {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: linear-gradient(158deg, rgba(27, 42, 46, 0.92), rgba(11, 15, 16, 0.72));
}

.page-disclaimer .hero-meta dl {
  margin: 0;
  display: grid;
  gap: 1em;
}

.page-disclaimer .hero-meta .meta-item {
  padding-bottom: 0.9em;
  border-bottom: 1px solid rgba(90, 74, 30, 0.4);
}

.page-disclaimer .hero-meta .meta-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .hero-meta dt {
  margin: 0 0 0.4em;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .hero-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-disclaimer .notice-banner {
  margin: clamp(28px, 5vw, 46px) 0 0;
}

.page-disclaimer .notice-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */

.page-disclaimer .notice-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-disclaimer .notice-clauses {
  min-width: 0;
}

.page-disclaimer .notice-clauses::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: clamp(20px, 3vw, 32px);
  background: linear-gradient(90deg, var(--gold), rgba(46, 111, 115, 0.55) 42%, rgba(46, 111, 115, 0));
}

/* ---------- 条款索引 ---------- */

.page-disclaimer .notice-index {
  padding: clamp(16px, 2.6vw, 22px) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .index-label {
  margin: 0 0 0.9em;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-disclaimer .index-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.5em 0.9em;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  color: var(--paper-soft);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-disclaimer .index-list a:hover,
.page-disclaimer .index-list a:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
}

.page-disclaimer .index-no {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 条款条目 ---------- */

.page-disclaimer .notice-clause {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 clamp(14px, 2.2vw, 26px);
  align-items: start;
  padding: clamp(26px, 4vw, 42px) clamp(16px, 3vw, 30px);
  border-left: 2px solid rgba(90, 74, 30, 0.6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  scroll-margin-top: calc(var(--header-h) + 72px);
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-disclaimer .notice-clause + .notice-clause {
  margin-top: clamp(6px, 1.4vw, 14px);
}

.page-disclaimer .notice-clause:target {
  border-left-color: var(--gold);
  background-color: rgba(201, 162, 39, 0.07);
}

.page-disclaimer .clause-num {
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-disclaimer .clause-main {
  min-width: 0;
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.9vw, 29px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .clause-body {
  margin-top: clamp(14px, 2vw, 20px);
  font-size: clamp(15.5px, 1.1vw, 16.5px);
  line-height: 1.92;
  color: var(--paper-soft);
}

.page-disclaimer .clause-body > p {
  margin: 0 0 1em;
  max-width: 66ch;
}

.page-disclaimer .clause-body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-body a {
  color: var(--gold-light);
  text-decoration: underline;
  text-decoration-color: rgba(230, 214, 155, 0.45);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.24s var(--ease);
}

.page-disclaimer .clause-body a:hover {
  text-decoration-color: var(--gold);
}

/* ---------- 要点列表 ---------- */

.page-disclaimer .clause-points {
  list-style: none;
  margin: 1.1em 0 1.2em;
  padding: 0;
  max-width: 66ch;
  display: grid;
  gap: 0.68em;
}

.page-disclaimer .clause-points li {
  position: relative;
  padding-left: 1.55em;
}

.page-disclaimer .clause-points li::before {
  content: "";
  position: absolute;
  left: 0.2em;
  top: 0.85em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.85;
}

.page-disclaimer .clause-points--deny li::before {
  background: var(--cinnabar);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* ---------- 折叠补充说明 ---------- */

.page-disclaimer .clause-fold {
  margin-top: 1.4em;
  padding-top: 1em;
  max-width: 66ch;
  border-top: 1px dashed var(--rule);
}

.page-disclaimer .clause-fold > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.62em;
  padding: 0.15em 0;
  list-style: none;
  cursor: pointer;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--gold-light);
}

.page-disclaimer .clause-fold > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-fold > summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 1.6px solid var(--gold);
  border-bottom: 1.6px solid var(--gold);
  transform: rotate(-45deg);
  transition: transform 0.24s var(--ease);
}

.page-disclaimer .clause-fold[open] > summary::before {
  transform: rotate(45deg);
}

.page-disclaimer .clause-fold > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-disclaimer .clause-fold .fold-inner {
  margin-top: 0.9em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--paper-soft);
}

.page-disclaimer .clause-fold .fold-inner p {
  margin: 0;
}

.page-disclaimer .clause-fold[open] .fold-inner {
  animation: disclaimer-fold-in 0.24s var(--ease) both;
}

@keyframes disclaimer-fold-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系信息面板 ---------- */

.page-disclaimer .contact-grid {
  margin: 1.4em 0 1.3em;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background-color: var(--rule);
  overflow: hidden;
}

.page-disclaimer .contact-cell {
  padding: clamp(14px, 2vw, 19px) clamp(16px, 2.4vw, 22px);
  background-color: rgba(15, 32, 36, 0.82);
}

.page-disclaimer .contact-grid dt {
  margin: 0 0 0.45em;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .contact-grid dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .contact-grid dd.mono {
  color: var(--gold-light);
  letter-spacing: 0.01em;
}

/* ---------- 收束与返回顶部 ---------- */

.page-disclaimer .notice-tail {
  margin-top: clamp(36px, 6vw, 64px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
}

.page-disclaimer .tail-note {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-disclaimer .back-top {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.62em 1.15em;
  border: 1px solid var(--rule-gold);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--gold-light);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-disclaimer .back-top::after {
  content: "↑";
  font-size: 13px;
}

.page-disclaimer .back-top:hover,
.page-disclaimer .back-top:focus-visible {
  border-color: var(--gold);
  background-color: rgba(201, 162, 39, 0.1);
}

/* ---------- 焦点可见性 ---------- */

.page-disclaimer .index-list a:focus-visible,
.page-disclaimer .clause-body a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-disclaimer .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.72fr);
    align-items: end;
  }

  .page-disclaimer .notice-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: clamp(34px, 4vw, 60px);
  }

  .page-disclaimer .notice-clauses {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .notice-index {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding: 4px 0;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--rule);
  }

  .page-disclaimer .index-label {
    padding-left: 1em;
  }

  .page-disclaimer .index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-disclaimer .index-list a {
    width: 100%;
    padding: 0.55em 0.6em 0.55em 1em;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 14.5px;
    line-height: 1.5;
  }

  .page-disclaimer .index-list a:hover,
  .page-disclaimer .index-list a:focus-visible {
    border-left-color: var(--gold);
    background-color: rgba(201, 162, 39, 0.07);
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .notice-clause {
    padding-left: clamp(24px, 3vw, 38px);
  }
}

/* ---------- 降低动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-fold[open] .fold-inner {
    animation: none;
  }

  .page-disclaimer .clause-fold > summary::before,
  .page-disclaimer .notice-clause,
  .page-disclaimer .index-list a,
  .page-disclaimer .back-top,
  .page-disclaimer .clause-body a {
    transition: none;
  }
}