/* ========== 使用说明与免责声明 · page-disclaimer ========== */
.page-disclaimer {
  --seal-red: #8C1C2C;
  --seal-red-bright: #C04557;
  --clause-max: 900px;
  background: var(--midnight);
  color: var(--smoke);
}

/* ---------- 首屏 Hero ---------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--midnight);
}
.page-disclaimer .hero-image-wrap {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.page-disclaimer .hero-image-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.42;
  filter: saturate(0.78) contrast(1.08) brightness(0.82);
}
.page-disclaimer .hero-screen {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 16, 38, 0.86) 0%, rgba(11, 16, 38, 0.28) 46%, rgba(11, 16, 38, 0.64) 78%, rgba(11, 16, 38, 0.98) 100%),
    linear-gradient(115deg, rgba(30, 18, 64, 0.52) 0%, transparent 44%, rgba(11, 16, 38, 0.3) 100%);
}
.page-disclaimer .hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: calc(var(--header-h) + 32px);
  padding-bottom: 72px;
  animation: disclaimerFadeUp 0.9s var(--ease) both;
}
.page-disclaimer .disclaimer-hero .breadcrumb {
  margin-bottom: 34px;
}
.page-disclaimer .disclaimer-hero .breadcrumb-list {
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}
.page-disclaimer .hero-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.34em;
  color: var(--cyan);
}
.page-disclaimer .hero-inner h1 {
  position: relative;
  margin: 0 0 24px;
  max-width: 900px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.8vw, 5.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--smoke);
  text-shadow: 0 2px 44px rgba(11, 16, 38, 0.7);
  text-wrap: balance;
}
.page-disclaimer .hero-inner h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.85) 16%, rgba(155, 77, 255, 0.9) 64%, transparent 100%);
  transform: scaleX(0);
  transform-origin: left center;
  animation: disclaimerSweep 1.6s var(--ease) 0.35s forwards;
}
.page-disclaimer .hero-lead {
  max-width: 660px;
  margin: 8px 0 0;
  padding-left: 20px;
  border-left: 3px solid var(--gold);
  color: rgba(242, 237, 233, 0.88);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.85;
}
.page-disclaimer .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-disclaimer .meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--neon);
}

/* ---------- 概况条 ---------- */
.page-disclaimer .notice-ribbon {
  position: relative;
  z-index: 3;
  background:
    linear-gradient(180deg, rgba(155, 77, 255, 0.09), transparent 120%),
    var(--abyss);
  border-top: 1px solid rgba(155, 77, 255, 0.2);
  border-bottom: 1px solid rgba(201, 162, 61, 0.14);
}
.page-disclaimer .ribbon-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.page-disclaimer .ribbon-item {
  padding: 28px 20px;
  border-right: 1px solid rgba(201, 162, 61, 0.13);
  border-bottom: 1px solid rgba(201, 162, 61, 0.13);
}
.page-disclaimer .ribbon-item:nth-child(2n) {
  border-right: none;
}
.page-disclaimer .ribbon-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-disclaimer .ribbon-value {
  display: block;
  font-size: clamp(1rem, 2.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--smoke);
}

/* ---------- 条款区背景与纹理 ---------- */
.page-disclaimer .clause-zone {
  position: relative;
  padding: 78px 0 0;
  background: var(--midnight);
}
.page-disclaimer .clause-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 162, 61, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 61, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-disclaimer .clause-zone::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(242, 237, 233, 0.035) 1px, transparent 1.4px);
  background-size: 22px 22px;
}
.page-disclaimer .clause-zone .container {
  position: relative;
  z-index: 1;
}
.page-disclaimer .clause-heading {
  margin-bottom: 26px;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}
.page-disclaimer .clause-heading .section-kicker {
  color: var(--neon);
}
.page-disclaimer .clause-intro {
  position: relative;
  max-width: 720px;
  margin: 0 0 34px;
  padding: 16px 20px;
  background: rgba(30, 18, 64, 0.5);
  border-left: 2px solid rgba(155, 77, 255, 0.44);
  color: var(--mist);
  font-size: 0.96rem;
  line-height: 1.85;
}

/* ---------- 条款快速跳转 ---------- */
.page-disclaimer .clause-toc {
  position: relative;
  margin-bottom: 48px;
  padding: 18px 20px;
  background: rgba(11, 16, 38, 0.58);
  border: 1px solid rgba(201, 162, 61, 0.17);
}
.page-disclaimer .clause-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-disclaimer .clause-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px dashed rgba(201, 162, 61, 0.12);
  color: var(--mist);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}
.page-disclaimer .clause-toc a span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
}
.page-disclaimer .clause-toc a:hover {
  padding-left: 10px;
  color: var(--smoke);
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer .clause-stack {
  position: relative;
  max-width: var(--clause-max);
  margin: 0 auto;
}
.page-disclaimer .clause-card {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 20px);
  background:
    linear-gradient(138deg, rgba(155, 77, 255, 0.07) 0%, transparent 38%),
    linear-gradient(180deg, rgba(11, 16, 38, 0.24), transparent 30%),
    var(--abyss);
  border: 1px solid rgba(201, 162, 61, 0.2);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.38);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.page-disclaimer .clause-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  bottom: -1px;
  width: clamp(10px, 2vw, 18px);
  z-index: 2;
  background: linear-gradient(180deg, var(--seal-red-bright), var(--seal-red));
  clip-path: polygon(0 0, 100% 0, 48% 100%, 0 100%);
}
.page-disclaimer .clause-card:hover {
  border-color: rgba(201, 162, 61, 0.42);
  box-shadow: 0 30px 72px rgba(0, 0, 0, 0.46), 0 0 44px rgba(155, 77, 255, 0.1);
}
.page-disclaimer .clause-card + .clause-card {
  margin-top: 22px;
}
.page-disclaimer .clause-seal {
  position: absolute;
  top: -16px;
  right: 22px;
  z-index: 3;
  display: inline-block;
  padding: 8px 12px 7px;
  background: var(--midnight);
  border: 2px solid rgba(140, 28, 44, 0.62);
  color: rgba(201, 162, 61, 0.88);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  line-height: 1;
  transform: rotate(2deg);
}
.page-disclaimer .clause-title {
  margin: 0;
  padding: 26px 24px 8px;
  font-family: var(--font-serif);
  font-size: clamp(1.28rem, 3.2vw, 1.62rem);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--smoke);
}
.page-disclaimer .clause-details summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 8px 24px 20px;
  user-select: none;
}
.page-disclaimer .clause-details summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .clause-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}
.page-disclaimer .clause-lead {
  flex: 1;
  min-width: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.7;
  transition: color var(--transition);
}
.page-disclaimer .clause-details summary:hover .clause-lead {
  color: var(--smoke);
}
.page-disclaimer .clause-toggle {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(155, 77, 255, 0.34);
  background: rgba(155, 77, 255, 0.06);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.page-disclaimer .clause-details[open] .clause-toggle {
  transform: rotate(45deg);
  background: rgba(155, 77, 255, 0.16);
  color: var(--cyan);
}
.page-disclaimer .clause-content {
  padding: 6px 24px 28px;
  border-top: 1px dashed rgba(201, 162, 61, 0.16);
}
.page-disclaimer .clause-content p {
  margin: 16px 0 0;
  color: rgba(242, 237, 233, 0.84);
  font-size: 0.95rem;
  line-height: 1.9;
}

/* ---------- 边界线装饰 ---------- */
.page-disclaimer .boundary-line {
  max-width: var(--clause-max);
  margin: 56px auto 0;
  padding: 0 24px;
}
.page-disclaimer .boundary-line svg {
  display: block;
  width: 100%;
  height: 44px;
}

/* ---------- 已阅确认区 ---------- */
.page-disclaimer .acknowledge-box {
  position: relative;
  max-width: var(--clause-max);
  margin: 34px auto 0;
  display: grid;
  grid-template-columns: 1fr;
  background:
    linear-gradient(150deg, rgba(155, 77, 255, 0.1), transparent 46%),
    var(--abyss);
  border: 1px solid rgba(201, 162, 61, 0.24);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}
.page-disclaimer .acknowledge-box::before,
.page-disclaimer .acknowledge-box::after {
  content: "";
  position: absolute;
  width: 46px;
  height: 46px;
  border: 2px solid var(--gold);
  opacity: 0.7;
}
.page-disclaimer .acknowledge-box::before {
  top: -2px;
  left: -2px;
  border-width: 2px 0 0 2px;
}
.page-disclaimer .acknowledge-box::after {
  bottom: -2px;
  right: -2px;
  border-width: 0 2px 2px 0;
}
.page-disclaimer .ack-seal-wrap {
  display: grid;
  place-items: center;
  padding: 28px 20px 6px;
}
.page-disclaimer .ack-stamp {
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border: 3px double rgba(201, 162, 61, 0.78);
  border-radius: 50%;
  background: rgba(11, 16, 38, 0.74);
  color: rgba(201, 162, 61, 0.9);
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  transform: rotate(-8deg);
  box-shadow: 0 0 0 5px rgba(11, 16, 38, 0.64), 0 0 0 6px rgba(201, 162, 61, 0.34);
}
.page-disclaimer .ack-content {
  padding: 10px 26px 30px;
  text-align: center;
}
.page-disclaimer .ack-content h2 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3.2vw, 1.72rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--smoke);
}
.page-disclaimer .ack-content p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.85;
}
.page-disclaimer .ack-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 22px;
}

/* ---------- 信任与联系区 ---------- */
.page-disclaimer .notice-footer {
  position: relative;
  margin-top: 76px;
  padding: 64px 0 52px;
  background:
    linear-gradient(180deg, rgba(155, 77, 255, 0.07), transparent 130px),
    var(--abyss);
  border-top: 1px solid rgba(201, 162, 61, 0.16);
}
.page-disclaimer .notice-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 22%, rgba(201, 162, 61, 0.2) 48%, var(--neon) 76%, transparent 100%);
  opacity: 0.8;
}
.page-disclaimer .notice-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
.page-disclaimer .notice-block-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--cyan);
}
.page-disclaimer .notice-block h2 {
  margin: 0 0 16px;
  padding-bottom: 12px;
  font-family: var(--font-serif);
  font-size: 1.24rem;
  font-weight: 900;
  color: var(--smoke);
  border-bottom: 1px solid rgba(201, 162, 61, 0.18);
}
.page-disclaimer .notice-block p {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.85;
}
.page-disclaimer .note-box {
  margin-top: 16px;
  font-size: 0.86rem;
}
.page-disclaimer .note-box a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .contact-list,
.page-disclaimer .info-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-disclaimer .contact-list li,
.page-disclaimer .info-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(201, 162, 61, 0.14);
  color: var(--smoke);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.page-disclaimer .contact-list span {
  flex: 0 0 88px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-disclaimer .info-list a {
  color: var(--smoke);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}
.page-disclaimer .info-list a:hover {
  padding-left: 6px;
  color: var(--neon);
}

/* ---------- 桌面端栅格与层叠 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .ribbon-inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-disclaimer .ribbon-item {
    border-bottom: none;
  }
  .page-disclaimer .ribbon-item:nth-child(2n) {
    border-right: 1px solid rgba(201, 162, 61, 0.13);
  }
  .page-disclaimer .ribbon-item:last-child {
    border-right: none;
  }
  .page-disclaimer .ribbon-value {
    font-size: 1.28rem;
  }
  .page-disclaimer .clause-content {
    padding: 10px 48px 32px 48px;
  }
  .page-disclaimer .acknowledge-box {
    grid-template-columns: 170px 1fr;
  }
  .page-disclaimer .ack-seal-wrap {
    padding: 34px 20px;
  }
  .page-disclaimer .ack-content {
    padding: 36px 40px 36px 8px;
    text-align: left;
  }
  .page-disclaimer .ack-content p {
    margin: 0;
  }
  .page-disclaimer .ack-actions {
    justify-content: flex-start;
  }
}

@media (min-width: 820px) {
  .page-disclaimer .clause-card + .clause-card {
    margin-top: -16px;
  }
  .page-disclaimer .clause-card:nth-child(odd) {
    transform: translateX(-10px);
  }
  .page-disclaimer .clause-card:nth-child(even) {
    transform: translateX(12px);
  }
  .page-disclaimer .clause-card:hover {
    z-index: 6;
    transform: translateX(0) translateY(-4px) scale(1.008);
  }
}

@media (min-width: 860px) {
  .page-disclaimer .clause-toc {
    padding: 14px 18px;
  }
  .page-disclaimer .clause-toc ol {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-disclaimer .clause-toc a {
    padding: 10px 12px;
    border-bottom: none;
    border-left: 2px solid rgba(201, 162, 61, 0.26);
    font-size: 0.9rem;
  }
  .page-disclaimer .clause-toc a:hover {
    padding-left: 16px;
    color: var(--gold);
  }
}

@media (min-width: 880px) {
  .page-disclaimer .notice-footer-grid {
    grid-template-columns: 1.2fr 1fr 0.95fr;
    gap: 44px;
  }
}

/* ---------- 动效 ---------- */
@keyframes disclaimerFadeUp {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes disclaimerSweep {
  to {
    transform: scaleX(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .hero-inner,
  .page-disclaimer .hero-inner h1::after {
    animation: none;
  }
}