/* ===== 使用说明页 · 页面专属样式（作用域 .page-disclaimer） ===== */

.page-disclaimer {
  --dlg-num-col: 118px;
  --dlg-line: rgba(139, 147, 167, .26);
  --dlg-side-w: 268px;
  --dlg-body: rgba(244, 239, 228, .84);

  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
}

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

/* ---------- 首屏 ---------- */

.page-disclaimer .dlg-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6.5vw, 88px) 0 clamp(30px, 5vw, 58px);
  background:
    radial-gradient(1100px 520px at 10% -14%, rgba(31, 50, 102, .9), transparent 72%),
    linear-gradient(180deg, var(--ink) 0%, var(--indigo-deep) 100%);
}

.page-disclaimer .dlg-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(139, 147, 167, .09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139, 147, 167, .09) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  pointer-events: none;
}

.page-disclaimer .dlg-hero-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dlg-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

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

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--index-gray);
}

.page-disclaimer .breadcrumb a {
  color: var(--gold-soft);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .dlg-title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 2.9rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .dlg-hero .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  color: rgba(244, 239, 228, .78);
}

.page-disclaimer .dlg-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-disclaimer .dlg-meta-chip {
  padding: 6px 12px;
  border: 1px solid rgba(199, 160, 58, .35);
  border-radius: var(--radius-pill);
  background: rgba(199, 160, 58, .07);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
}

.page-disclaimer .dlg-hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--indigo-mid);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--indigo-deep);
  box-shadow: var(--shadow-float);
}

.page-disclaimer .dlg-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .dlg-hero-figure::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 92px;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

@media (min-width: 900px) {
  .page-disclaimer .dlg-hero-grid {
    grid-template-columns: 7fr 5fr;
  }
}

/* ---------- 首屏编号带 ---------- */

.page-disclaimer .dlg-strip {
  border-top: 1px solid var(--indigo-mid);
  border-bottom: 1px solid var(--indigo-mid);
  background: rgba(20, 34, 74, .72);
}

.page-disclaimer .dlg-strip-inner {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.page-disclaimer .dlg-strip-inner::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .dlg-strip-item {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 146px;
  padding: 16px 18px;
  border-left: 1px solid var(--indigo-mid);
  text-decoration: none;
  color: var(--paper);
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .dlg-strip-item:first-child {
  border-left: 0;
}

.page-disclaimer .dlg-strip-item:hover {
  background: rgba(199, 160, 58, .1);
}

.page-disclaimer .dlg-strip-num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-disclaimer .dlg-strip-label {
  font-size: .88rem;
  color: rgba(244, 239, 228, .9);
}

/* ---------- 主体布局 ---------- */

.page-disclaimer .dlg-body {
  padding: clamp(40px, 6.5vw, 84px) 0 clamp(34px, 5vw, 64px);
}

.page-disclaimer .dlg-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
}

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

@media (min-width: 1040px) {
  .page-disclaimer .dlg-layout {
    grid-template-columns: minmax(0, 1fr) var(--dlg-side-w);
    align-items: start;
  }
}

/* ---------- 条款折叠面板 ---------- */

.page-disclaimer .dlg-clauses {
  border-top: 1px solid var(--dlg-line);
}

.page-disclaimer .dlg-clause {
  border-bottom: 1px solid var(--dlg-line);
}

.page-disclaimer .dlg-clause > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "num mark"
    "title mark";
  align-items: center;
  column-gap: 14px;
  row-gap: 6px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .dlg-clause-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-disclaimer .dlg-clause-title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.8vw, 1.32rem);
  line-height: 1.42;
  color: var(--paper);
}

.page-disclaimer .dlg-clause-mark {
  grid-area: mark;
  align-self: center;
  position: relative;
  width: 26px;
  height: 26px;
  border: 1px solid var(--indigo-mid);
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-disclaimer .dlg-clause-mark::before,
.page-disclaimer .dlg-clause-mark::after {
  content: "";
  position: absolute;
  background: var(--gold-soft);
}

.page-disclaimer .dlg-clause-mark::before {
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
}

.page-disclaimer .dlg-clause-mark::after {
  top: 6px;
  bottom: 6px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  transition: transform .22s var(--ease);
}

.page-disclaimer .dlg-clause[open] .dlg-clause-mark::after {
  transform: translateX(-50%) scaleY(0);
}

.page-disclaimer .dlg-clause-body {
  padding: 2px 0 26px;
}

.page-disclaimer .dlg-clause-body p {
  margin: 0 0 14px;
  max-width: 72ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--dlg-body);
}

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

.page-disclaimer .dlg-clause-body a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .dlg-clause-body a:hover {
  color: var(--paper);
}

@media (min-width: 760px) {
  .page-disclaimer .dlg-clause > summary {
    grid-template-columns: var(--dlg-num-col) minmax(0, 1fr) auto;
    grid-template-areas: "num title mark";
    row-gap: 0;
  }

  .page-disclaimer .dlg-clause-body {
    padding-left: var(--dlg-num-col);
  }
}

/* ---------- 条款内元素 ---------- */

.page-disclaimer .dlg-points {
  display: grid;
  gap: 10px;
  margin: 4px 0 18px;
  padding: 0;
  list-style: none;
  max-width: 72ch;
}

.page-disclaimer .dlg-points li {
  position: relative;
  padding: 12px 14px 12px 40px;
  border: 1px solid var(--indigo-mid);
  border-radius: 12px;
  background: rgba(31, 50, 102, .42);
  font-size: .94rem;
  line-height: 1.7;
  color: rgba(244, 239, 228, .9);
}

.page-disclaimer .dlg-points li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 21px;
  width: 9px;
  height: 9px;
  background: linear-gradient(135deg, var(--jade-a), var(--jade-b));
  transform: rotate(45deg);
}

.page-disclaimer .dlg-points strong {
  color: var(--paper);
  font-weight: 500;
}

.page-disclaimer .dlg-code {
  padding: 1px 6px;
  border: 1px solid rgba(199, 160, 58, .28);
  border-radius: 6px;
  background: rgba(199, 160, 58, .12);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: .86em;
  letter-spacing: .06em;
}

.page-disclaimer .dlg-clause-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
}

.page-disclaimer .dlg-clause-body .copy-num {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(199, 160, 58, .45);
  border-radius: var(--radius-pill);
  background: rgba(199, 160, 58, .08);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .dlg-clause-body .copy-num:hover {
  background: rgba(199, 160, 58, .2);
  color: var(--paper);
}

.page-disclaimer .dlg-clause-body .copy-num.is-copied {
  background: var(--jade-a);
  border-color: var(--jade-b);
  color: #FFFFFF;
}

/* ---------- 朱砂时效强调带 ---------- */

.page-disclaimer .dlg-alert {
  display: grid;
  gap: 10px;
  margin: 28px 0;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius-card);
  background: linear-gradient(115deg, var(--cinnabar) 0%, #942D22 100%);
  color: #FFFFFF;
}

.page-disclaimer .dlg-alert-tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: rgba(255, 255, 255, .82);
}

.page-disclaimer .dlg-alert p {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(.98rem, 2.4vw, 1.08rem);
  font-weight: 500;
  line-height: 1.7;
}

/* ---------- 右侧编号索引 ---------- */

.page-disclaimer .dlg-side {
  min-width: 0;
  padding: 18px 16px;
  border: 1px solid var(--indigo-mid);
  border-radius: var(--radius-card);
  background: rgba(20, 34, 74, .6);
}

.page-disclaimer .dlg-side-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--index-gray);
}

.page-disclaimer .dlg-side-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dlg-side-list a {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 8px;
  border-radius: 8px;
  color: var(--paper);
  font-size: .88rem;
  text-decoration: none;
  transition: background .16s var(--ease), color .16s var(--ease);
}

.page-disclaimer .dlg-side-list a:hover {
  background: rgba(199, 160, 58, .12);
  color: var(--gold-soft);
}

.page-disclaimer .dlg-side-list .num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-disclaimer .dlg-side-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--dlg-line);
}

.page-disclaimer .dlg-side-foot .tool-btn {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--indigo-mid);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .dlg-side-foot .tool-btn:hover {
  background: rgba(199, 160, 58, .14);
  color: var(--paper);
}

@media (min-width: 1040px) {
  .page-disclaimer .dlg-side {
    position: sticky;
    top: 96px;
    padding: 4px 0 4px 18px;
    border: 0;
    border-left: 1px solid var(--dlg-line);
    border-radius: 0;
    background: transparent;
  }
}

/* ---------- 延伸阅读 ---------- */

.page-disclaimer .dlg-cross {
  grid-column: 1 / -1;
  margin-top: clamp(30px, 5vw, 50px);
  padding-top: 24px;
  border-top: 1px solid var(--dlg-line);
}

.page-disclaimer .dlg-cross h2 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper);
}

.page-disclaimer .dlg-cross-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dlg-cross-list a {
  display: grid;
  gap: 3px;
  padding: 13px 15px;
  border: 1px solid var(--indigo-mid);
  border-radius: 12px;
  text-decoration: none;
  color: var(--paper);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-disclaimer .dlg-cross-list a:hover {
  border-color: var(--gold);
  background: rgba(199, 160, 58, .08);
}

.page-disclaimer .dlg-cross-list .name {
  font-size: .95rem;
  font-weight: 500;
}

.page-disclaimer .dlg-cross-list .desc {
  font-size: .82rem;
  line-height: 1.6;
  color: var(--index-gray);
}

@media (min-width: 720px) {
  .page-disclaimer .dlg-cross-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 底部版本行 ---------- */

.page-disclaimer .dlg-revision {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 18px;
  border-top: 1px solid var(--indigo-mid);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--index-gray);
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}