/* ===== 使用说明页 · 页面专属样式 ===== */
.page-disclaimer {
  --dsc-amber: #FF9F00;
  --dsc-amber-soft: rgba(255, 159, 0, 0.14);
  --dsc-amber-line: rgba(255, 159, 0, 0.34);
  --dsc-card: rgba(255, 255, 255, 0.035);
  --dsc-line: rgba(255, 255, 255, 0.09);
  --dsc-dim: rgba(255, 255, 255, 0.72);
  --dsc-mute: rgba(255, 255, 255, 0.55);
  padding-bottom: var(--space-9);
  background:
    radial-gradient(1000px 380px at 92% 0%, rgba(157, 0, 255, 0.14), transparent 60%),
    radial-gradient(780px 320px at 2% 42%, rgba(0, 229, 255, 0.07), transparent 55%);
}

/* ---- Hero 框景区 ---- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + var(--space-7)) 0 var(--space-6);
  overflow: hidden;
}

.page-disclaimer .disclaimer-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .disclaimer-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.55) contrast(1.1);
}

.page-disclaimer .disclaimer-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(5, 8, 20, 0.76) 0%, rgba(10, 14, 39, 0.58) 55%, var(--color-space) 100%);
}

.page-disclaimer .disclaimer-hero__container {
  position: relative;
  z-index: 2;
}

/* 面包屑 */
.page-disclaimer .disclaimer-hero .breadcrumb {
  margin-bottom: var(--space-5);
}

.page-disclaimer .disclaimer-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--dsc-mute);
}

.page-disclaimer .disclaimer-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--dsc-mute);
}

.page-disclaimer .disclaimer-hero .breadcrumb__item a {
  color: var(--dsc-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .disclaimer-hero .breadcrumb__item a:hover {
  color: var(--color-neon);
}

.page-disclaimer .disclaimer-hero .breadcrumb__item[aria-current="page"] {
  color: var(--color-neon);
}

/* Hero 内文 */
.page-disclaimer .disclaimer-hero__inner {
  max-width: 780px;
}

.page-disclaimer .disclaimer-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-neon);
}

.page-disclaimer .disclaimer-hero__eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-neon), transparent);
}

.page-disclaimer .disclaimer-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-display);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.page-disclaimer .disclaimer-hero__lead {
  margin: var(--space-4) 0 0;
  max-width: 660px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--dsc-dim);
}

/* Hero 数据条 */
.page-disclaimer .disclaimer-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: var(--space-6) 0 0;
  padding: 0;
  max-width: 640px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: rgba(0, 255, 157, 0.55);
}

.page-disclaimer .disclaimer-hero__meta-item {
  background: rgba(5, 8, 20, 0.85);
  padding: var(--space-4) var(--space-3);
  text-align: center;
}

.page-disclaimer .disclaimer-hero__meta-num {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.2;
  color: var(--color-neon);
}

.page-disclaimer .disclaimer-hero__meta-label {
  margin: var(--space-1) 0 0;
  font-size: var(--fs-caption);
  line-height: 1.4;
  color: var(--dsc-mute);
}

/* ---- 警告横幅 ---- */
.page-disclaimer .notice-banner {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin: calc(var(--space-5) * -1) 0 0;
  padding: var(--space-5);
  border: 1px solid var(--dsc-amber-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--dsc-amber-soft) 0%, rgba(255, 159, 0, 0.04) 65%);
  box-shadow: 0 10px 34px rgba(255, 159, 0, 0.1);
}

.page-disclaimer .notice-banner__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dsc-amber);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
}

.page-disclaimer .notice-banner__content strong {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  color: var(--dsc-amber);
}

.page-disclaimer .notice-banner__content p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--dsc-dim);
}

/* ---- 手风琴章节 ---- */
.page-disclaimer .disclaimer-sections {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-disclaimer .disclaimer-accordion {
  background: var(--dsc-card);
  border: 1px solid var(--dsc-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-disclaimer .disclaimer-accordion:hover {
  border-color: rgba(0, 229, 255, 0.28);
  box-shadow: 0 14px 40px rgba(0, 229, 255, 0.08);
}

.page-disclaimer .accordion__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5);
  background: transparent;
  border: 0;
  color: var(--color-white);
  text-align: left;
  cursor: pointer;
  outline: none;
  transition: background 0.25s var(--ease);
}

.page-disclaimer .accordion__trigger:hover {
  background: rgba(0, 229, 255, 0.05);
}

.page-disclaimer .accordion__trigger:focus-visible {
  box-shadow: inset 0 0 0 2px var(--color-neon);
}

.page-disclaimer .accordion__index {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  letter-spacing: 0.1em;
  color: var(--color-electric);
}

.page-disclaimer .accordion__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.2vw, 1.4rem);
  line-height: 1.35;
  letter-spacing: 0.03em;
  color: var(--color-white);
}

.page-disclaimer .accordion__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--dsc-line);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-electric);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-disclaimer .accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
  border-color: rgba(0, 255, 157, 0.55);
  color: var(--color-neon);
  background: rgba(0, 255, 157, 0.08);
}

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

.page-disclaimer .accordion__panel[data-open="true"] .accordion__content {
  animation: dsc-panel-in 0.3s var(--ease) both;
}

@keyframes dsc-panel-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-disclaimer .accordion__content {
  padding: var(--space-5) var(--space-5) var(--space-6);
}

/* ---- 正文排版与清单 ---- */
.page-disclaimer .disclaimer-copy p {
  margin: 0 0 var(--space-4);
  line-height: 1.85;
  color: var(--dsc-dim);
}

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

.page-disclaimer .disclaimer-copy strong {
  color: var(--color-white);
  font-weight: 600;
}

.page-disclaimer .disclaimer-copy a {
  color: var(--color-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disclaimer-copy a:hover {
  color: var(--color-neon);
  border-color: rgba(0, 255, 157, 0.6);
}

.page-disclaimer .disclaimer-list {
  list-style: none;
  margin: var(--space-4) 0 var(--space-5);
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-disclaimer .disclaimer-list li {
  position: relative;
  padding-left: var(--space-5);
  line-height: 1.75;
  color: var(--dsc-dim);
}

.page-disclaimer .disclaimer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--color-neon), var(--color-electric));
}

/* ---- 底部联系卡片 ---- */
.page-disclaimer .disclaimer-contact {
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--dsc-line);
}

.page-disclaimer .disclaimer-contact .grid--2 {
  gap: var(--space-4);
  margin: 0;
}

.page-disclaimer .disclaimer-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--dsc-card);
  border: 1px solid var(--dsc-line);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-disclaimer .disclaimer-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 14px 44px rgba(0, 229, 255, 0.12);
}

.page-disclaimer .disclaimer-card h2 {
  margin: var(--space-1) 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.page-disclaimer .disclaimer-card p {
  flex: 1;
  margin: 0;
  line-height: 1.7;
  color: var(--dsc-dim);
}

.page-disclaimer .disclaimer-card .chip--blue {
  background: rgba(0, 229, 255, 0.12);
  color: var(--color-electric);
}

.page-disclaimer .disclaimer-card .chip--purple {
  background: rgba(157, 0, 255, 0.18);
  color: #d6a8ff;
}

.page-disclaimer .disclaimer-card .btn {
  align-self: flex-start;
  margin-top: var(--space-3);
}

/* ---- 桌面端适配 ---- */
@media (min-width: 768px) {
  .page-disclaimer .disclaimer-hero {
    padding-top: calc(var(--header-h) + var(--space-8));
    padding-bottom: var(--space-7);
  }

  .page-disclaimer .disclaimer-hero__meta {
    max-width: 680px;
    margin-top: var(--space-7);
  }

  .page-disclaimer .disclaimer-hero__meta-item {
    padding: var(--space-5) var(--space-4);
  }

  .page-disclaimer .notice-banner {
    padding: var(--space-5) var(--space-6);
  }

  .page-disclaimer .disclaimer-sections {
    gap: var(--space-5);
    margin-top: var(--space-7);
  }

  .page-disclaimer .accordion__trigger {
    padding: var(--space-5) var(--space-6);
  }

  .page-disclaimer .accordion__content {
    padding: var(--space-5) var(--space-6) var(--space-7);
  }

  .page-disclaimer .disclaimer-contact {
    margin-top: var(--space-8);
    padding-top: var(--space-7);
  }

  .page-disclaimer .disclaimer-contact .grid--2 {
    gap: var(--space-5);
  }
}