.page-faq {
  --faq-measure: 768px;
  --faq-line-dark: rgba(232, 237, 240, 0.14);
  --faq-line-paper: rgba(10, 26, 42, 0.14);
  display: block;
}

.page-faq .faq-band {
  padding-block: clamp(46px, 8vw, 92px);
}

.page-faq .faq-band--tight {
  padding-block: clamp(30px, 5vw, 56px);
}

.page-faq .faq-band--dark {
  background: var(--abyss-900);
  color: var(--mist-100);
}

.page-faq .faq-band--paper {
  background: var(--paper-100);
  color: var(--abyss-900);
}

.page-faq .faq-inner {
  width: 100%;
  max-width: var(--faq-measure);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-top: clamp(30px, 5vw, 58px);
  padding-bottom: clamp(38px, 6vw, 68px);
}

.page-faq .faq-hero h1 {
  margin: 20px 0 0;
  font-size: clamp(31px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--mist-100);
}

.page-faq .faq-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  padding: 8px 16px 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(245, 166, 60, 0.42);
  background: rgba(245, 166, 60, 0.09);
  color: var(--amber-500);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.page-faq .faq-status__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber-500);
  animation: faq-breathe 3.2s ease-in-out infinite;
}

@keyframes faq-breathe {
  0%, 100% { opacity: 0.55; box-shadow: 0 0 0 0 rgba(245, 166, 60, 0.5); }
  50% { opacity: 1; box-shadow: 0 0 0 7px rgba(245, 166, 60, 0); }
}

.page-faq .faq-lede {
  margin: 24px 0 0;
  max-width: 56ch;
  font-size: var(--fs-base);
  line-height: 1.85;
  color: rgba(232, 237, 240, 0.76);
}

/* 通用小标题 */
.page-faq .faq-eyebrow {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-faq .faq-band--paper .faq-eyebrow {
  color: var(--moss-600);
}

.page-faq .faq-h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--mist-100);
}

.page-faq .faq-band--paper .faq-h2 {
  color: var(--abyss-900);
}

.page-faq .faq-p {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: var(--fs-base);
  line-height: 1.8;
  color: rgba(232, 237, 240, 0.74);
}

.page-faq .faq-band--paper .faq-p {
  color: var(--abyss-700);
}

.page-faq .faq-note {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(232, 237, 240, 0.6);
}

.page-faq .faq-band--paper .faq-note {
  color: rgba(10, 26, 42, 0.66);
}

/* 三步 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line-dark);
  background: linear-gradient(158deg, rgba(27, 64, 92, 0.72), rgba(18, 46, 69, 0.46));
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(63, 224, 206, 0.5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.45;
  font-weight: 700;
  color: var(--mist-100);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(232, 237, 240, 0.68);
}

.page-faq .faq-step__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.22s var(--ease);
}

.page-faq .faq-step__link:hover,
.page-faq .faq-step__link:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* 图 */
.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line-dark);
  background: var(--ink-600);
}

.page-faq .faq-band--paper .faq-figure {
  margin-top: 30px;
  border-color: var(--faq-line-paper);
  background: rgba(10, 26, 42, 0.06);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: rgba(232, 237, 240, 0.6);
}

.page-faq .faq-band--paper .faq-figure figcaption {
  color: rgba(10, 26, 42, 0.6);
}

/* 环境规格 */
.page-faq .faq-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line-paper);
}

.page-faq .faq-specs li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--faq-line-paper);
}

.page-faq .faq-specs__k {
  flex: none;
  min-width: 96px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss-600);
}

.page-faq .faq-specs__v {
  flex: 1 1 220px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--abyss-900);
}

/* 按任务查 */
.page-faq .faq-tasks {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line-paper);
}

.page-faq .faq-task {
  display: grid;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-line-paper);
}

.page-faq .faq-task__title {
  margin: 0 0 8px;
  font-size: var(--fs-base);
  line-height: 1.5;
  font-weight: 700;
  color: var(--abyss-900);
}

.page-faq .faq-task__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--abyss-700);
}

.page-faq .faq-task__path {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--moss-600);
}

.page-faq .faq-go {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(10, 26, 42, 0.24);
  background: transparent;
  color: var(--abyss-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-go:hover,
.page-faq .faq-go:focus-visible {
  border-color: var(--abyss-900);
  background: rgba(63, 224, 206, 0.2);
}

/* 问答 */
.page-faq .faq-qa {
  margin-top: 6px;
  border-top: 1px solid var(--faq-line-dark);
}

.page-faq .faq-qa details {
  border-bottom: 1px solid var(--faq-line-dark);
}

.page-faq .faq-qa summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-qa summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-qa__q {
  flex: 1 1 auto;
  font-size: var(--fs-base);
  line-height: 1.55;
  font-weight: 600;
  color: var(--mist-100);
}

.page-faq .faq-qa__plus {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid rgba(63, 224, 206, 0.45);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-qa__plus::before,
.page-faq .faq-qa__plus::after {
  content: "";
  position: absolute;
  inset: 50% 6px auto 6px;
  height: 1.5px;
  background: var(--cyan-400);
  transform: translateY(-50%);
}

.page-faq .faq-qa__plus::after {
  transform: translateY(-50%) rotate(90deg);
  transition: opacity 0.2s var(--ease), transform 0.24s var(--ease);
}

.page-faq .faq-qa details[open] .faq-qa__plus::after {
  opacity: 0;
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-qa summary:hover .faq-qa__plus,
.page-faq .faq-qa summary:focus-visible .faq-qa__plus {
  border-color: var(--cyan-400);
}

.page-faq .faq-qa__body {
  padding: 0 0 22px 0;
}

.page-faq .faq-qa__body p {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(232, 237, 240, 0.74);
}

.page-faq .faq-qa__go {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(63, 224, 206, 0.4);
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-qa__go:hover,
.page-faq .faq-qa__go:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(63, 224, 206, 0.12);
}

/* 联系 */
.page-faq .faq-contact {
  margin: 0;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line-paper);
  background: rgba(18, 46, 69, 0.06);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(10, 26, 42, 0.16);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__k {
  flex: none;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss-600);
}

.page-faq .faq-contact__v {
  flex: 1 1 200px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--abyss-900);
  word-break: break-word;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--abyss-900);
  background: var(--abyss-900);
  color: var(--paper-100);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  background: var(--abyss-700);
  border-color: var(--abyss-700);
}

.page-faq .faq-cta--quiet {
  background: transparent;
  color: var(--abyss-900);
}

.page-faq .faq-cta--quiet:hover,
.page-faq .faq-cta--quiet:focus-visible {
  background: rgba(10, 26, 42, 0.08);
  border-color: var(--abyss-900);
  color: var(--abyss-900);
}

/* 焦点可见性 */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (min-width: 640px) {
  .page-faq .faq-task {
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 18px;
  }

  .page-faq .faq-specs li {
    flex-wrap: nowrap;
  }
}

@media (min-width: 800px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-faq .faq-step + .faq-step::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 34px;
    width: 16px;
    height: 1px;
    background: rgba(63, 224, 206, 0.45);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-status__dot {
    animation: none;
    opacity: 1;
  }

  .page-faq .faq-step__link,
  .page-faq .faq-go,
  .page-faq .faq-qa__plus,
  .page-faq .faq-qa__plus::after,
  .page-faq .faq-qa__go,
  .page-faq .faq-cta {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>