.page-disclaimer {
  --pd-gap: 16px;
  position: relative;
  background:
    radial-gradient(120% 70% at 8% 0%, rgba(40, 243, 225, .10), transparent 58%),
    linear-gradient(180deg, #050B18 0%, #0A1A33 48%, #050B18 100%);
  color: var(--white);
  font-family: var(--font-sans);
}

.page-disclaimer .mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  margin-bottom: 20px;
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--steel);
}

.page-disclaimer .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(145, 166, 194, .5);
}

.page-disclaimer .breadcrumb-link {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .breadcrumb-link:hover,
.page-disclaimer .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .breadcrumb-current {
  color: var(--white);
}

/* 首屏 */
.page-disclaimer .guide-hero {
  position: relative;
  padding: 24px 0 36px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .guide-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 52, 92, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 52, 92, .55) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 82%);
}

.page-disclaimer .guide-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .guide-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-disclaimer .guide-hero-copy h1 {
  margin: 10px 0 0;
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: .03em;
}

.page-disclaimer .guide-lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 248, 255, .78);
}

.page-disclaimer .guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: var(--steel);
}

.page-disclaimer .guide-meta-item {
  position: relative;
  padding-left: 12px;
}

.page-disclaimer .guide-meta-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .guide-meta-item .mono {
  color: var(--cyan);
}

.page-disclaimer .guide-hero-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  background: linear-gradient(150deg, rgba(27, 47, 78, .9), rgba(5, 11, 24, .9));
}

.page-disclaimer .guide-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-disclaimer .guide-hero-visual .media-caption {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

/* 步骤带 */
.page-disclaimer .step-band {
  position: relative;
  margin-top: 28px;
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(27, 47, 78, .88), rgba(10, 26, 51, .78));
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-disclaimer .step-band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .step-band-label {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .step-band-note {
  font-size: 12.5px;
  color: var(--steel);
}

.page-disclaimer .step-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .step {
  position: relative;
  padding: 14px 14px 14px 40px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(5, 11, 24, .58);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(40, 243, 225, .05));
}

.page-disclaimer .step:hover {
  border-color: rgba(40, 243, 225, .5);
  transform: translateY(-2px);
}

.page-disclaimer .step-num {
  position: absolute;
  left: 12px;
  top: 12px;
  font-size: 13px;
  color: var(--cyan);
}

.page-disclaimer .step-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-disclaimer .step-desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(245, 248, 255, .7);
}

/* 双栏正文 */
.page-disclaimer .guide-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 36px 0 44px;
}

.page-disclaimer .guide-rail {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(10, 26, 51, .6);
}

.page-disclaimer .guide-rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

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

.page-disclaimer .guide-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(245, 248, 255, .82);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .guide-rail-link:hover,
.page-disclaimer .guide-rail-link:focus-visible {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.page-disclaimer .guide-rail-num {
  flex: none;
  font-size: 11.5px;
  color: var(--cyan);
  opacity: .85;
}

.page-disclaimer .guide-rail-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-disclaimer .guide-rail-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 243, 225, .45);
}

/* 章节 */
.page-disclaimer .guide-content {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-disclaimer .guide-section {
  scroll-margin-top: calc(var(--hd-h) + 20px);
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .guide-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .guide-sec-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .guide-sec-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 4px 6px;
  border: 1px solid rgba(40, 243, 225, .45);
  border-radius: var(--r-sm);
  font-size: 12.5px;
  color: var(--cyan);
  background: var(--cyan-soft);
}

.page-disclaimer .guide-sec-title {
  margin: 0;
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .02em;
}

.page-disclaimer .guide-p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 248, 255, .8);
}

.page-disclaimer .guide-p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 243, 225, .4);
}

.page-disclaimer .guide-p a:hover,
.page-disclaimer .guide-p a:focus-visible {
  border-bottom-color: var(--cyan);
}

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

/* 编号列表 */
.page-disclaimer .guide-list {
  counter-reset: pditem;
  display: grid;
  gap: 10px;
  margin: 16px 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .guide-list > li {
  position: relative;
  padding: 12px 14px 12px 40px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(40, 243, 225, .35);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(27, 47, 78, .35);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(245, 248, 255, .82);
}

.page-disclaimer .guide-list > li::before {
  counter-increment: pditem;
  content: counter(pditem, decimal-leading-zero);
  position: absolute;
  left: 13px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan);
}

.page-disclaimer .guide-list > li strong {
  color: var(--white);
  font-weight: 700;
}

.page-disclaimer .guide-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 243, 225, .4);
}

.page-disclaimer .guide-list a:hover,
.page-disclaimer .guide-list a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .guide-list--steps > li {
  border-left-color: rgba(47, 125, 255, .55);
  background: rgba(20, 52, 92, .35);
}

.page-disclaimer .guide-list--steps > li::before {
  color: var(--blue);
}

/* 文件格式卡 */
.page-disclaimer .fmt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0;
}

.page-disclaimer .fmt-card {
  position: relative;
  padding: 16px 14px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(155deg, rgba(27, 47, 78, .92), rgba(10, 26, 51, .88));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .fmt-card:hover {
  transform: translateY(-3px);
  border-color: rgba(40, 243, 225, .55);
}

.page-disclaimer .fmt-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  background: var(--cyan-soft);
  border: 1px solid rgba(40, 243, 225, .4);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-disclaimer .fmt-title {
  margin: 10px 0 0;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-disclaimer .fmt-scope {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 248, 255, .68);
}

/* 提示条 */
.page-disclaimer .callout {
  position: relative;
  margin: 18px 0;
  padding: 14px 16px 14px 18px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  border-left: 3px solid var(--orange);
  background: var(--orange-soft);
}

.page-disclaimer .callout--info {
  border-left-color: var(--blue);
  background: rgba(47, 125, 255, .12);
}

.page-disclaimer .callout-tag {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .callout--info .callout-tag {
  color: var(--blue);
}

.page-disclaimer .callout p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 248, 255, .86);
}

.page-disclaimer .callout .mono {
  color: var(--white);
}

/* 反馈带 */
.page-disclaimer .feedback-band {
  padding: 34px 0 40px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(40, 243, 225, .14), rgba(47, 125, 255, .10) 52%, rgba(5, 11, 24, 0) 88%),
    #050B18;
}

.page-disclaimer .feedback-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

.page-disclaimer .feedback-copy h2 {
  margin: 8px 0 0;
  font-size: clamp(1.2rem, 3.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .02em;
}

.page-disclaimer .feedback-copy p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 248, 255, .74);
}

.page-disclaimer .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 560px) {
  .page-disclaimer .fmt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-disclaimer .step-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .feedback-actions .btn {
    min-width: 148px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .guide-hero {
    padding: 32px 0 44px;
  }

  .page-disclaimer .guide-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: 36px;
  }

  .page-disclaimer .guide-hero-visual {
    margin-bottom: 4px;
  }

  .page-disclaimer .feedback-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .step-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .guide-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 44px;
    padding: 52px 0 64px;
  }

  .page-disclaimer .guide-rail {
    position: sticky;
    top: calc(var(--hd-h) + 24px);
    align-self: start;
  }

  .page-disclaimer .fmt-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .step,
  .page-disclaimer .fmt-card,
  .page-disclaimer .guide-rail-link,
  .page-disclaimer .breadcrumb-link {
    transition: none;
  }

  .page-disclaimer .step:hover,
  .page-disclaimer .fmt-card:hover {
    transform: none;
  }
}