.page-faq {
  --faq-hairline: 1px solid rgba(246, 241, 231, 0.16);
  --faq-body: rgba(246, 241, 231, 0.82);
  --faq-muted: rgba(246, 241, 231, 0.66);
  --faq-cyan-wash: rgba(33, 242, 214, 0.06);
  color: var(--warm-white);
  padding-bottom: clamp(56px, 9vw, 110px);
  overflow-x: hidden;
}

.page-faq .container {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

/* 面包屑 */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper-line);
  opacity: 0.78;
}

.page-faq .faq-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-faq .faq-crumb [aria-current="page"] {
  color: var(--warm-white);
  opacity: 1;
}

.page-faq .faq-crumb__sep {
  color: var(--mid-blue);
}

/* 首屏 */
.page-faq .faq-hero {
  margin-top: clamp(18px, 3vw, 30px);
  padding: clamp(22px, 4vw, 46px);
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  background: var(--navy-700);
}

.page-faq .faq-hero__label {
  color: var(--cyan);
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.14;
  letter-spacing: 0.03em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-hero__meta {
  margin: 18px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

/* 首屏分组索引 */
.page-faq .faq-hero__index {
  border: 2px solid var(--void);
  box-shadow: var(--shadow-soft);
  background: var(--navy-900);
  padding: 18px clamp(12px, 2vw, 20px) 16px;
}

.page-faq .faq-hero__index .label {
  color: var(--mid-blue);
  margin: 0 0 4px;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index li + li {
  border-top: var(--faq-hairline);
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 4px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--faq-body);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--faq-cyan-wash);
  transform: translateX(4px);
  outline: none;
}

.page-faq .faq-index .num {
  flex: none;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: var(--faq-hairline);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--faq-muted);
}

.page-faq .faq-legend .legend__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-faq .faq-legend .legend__swatch {
  width: 10px;
  height: 10px;
  flex: none;
  display: inline-block;
}

.page-faq .faq-legend .legend__swatch--live {
  background: var(--cyan);
}

.page-faq .faq-legend .legend__swatch--cta {
  background: var(--orange);
}

/* 章节通用 */
.page-faq .faq-block {
  margin-top: clamp(48px, 8vw, 92px);
  scroll-margin-top: 100px;
}

.page-faq .faq-block__head {
  max-width: 52em;
  padding-left: clamp(14px, 2.4vw, 22px);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-block__head .label {
  margin: 0;
  color: var(--cyan);
}

.page-faq .faq-block__head h2,
.page-faq .faq-help h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-faq .faq-block__intro {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-body);
}

/* 四步 */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 3vw, 32px);
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--navy-900);
  border: 2px solid var(--void);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--void);
  border-color: var(--cyan);
}

.page-faq .faq-step__num {
  display: inline-block;
  padding: 3px 8px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--navy-900);
  background: var(--cyan);
}

.page-faq .faq-step h3 {
  margin: 14px 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-step .faq-step__tip {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 194, 75, 0.4);
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
}

/* 图片 */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  background: var(--navy-700);
  border: 2px solid var(--void);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-figure .media__caption {
  padding: 12px 16px;
  border-top: 2px solid var(--void);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faq-muted);
}

.page-faq .faq-figure--panel {
  margin-top: 0;
}

/* 分栏 */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 3.5vw, 34px);
}

/* 可展开条目 */
.page-faq .faq-disclosures {
  margin-top: clamp(22px, 3.5vw, 34px);
  border-top: var(--faq-hairline);
}

.page-faq .faq-split .faq-disclosures {
  margin-top: 0;
}

.page-faq .disclosure {
  border-bottom: var(--faq-hairline);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .disclosure[open] {
  border-left-color: var(--cyan);
  background: var(--faq-cyan-wash);
}

.page-faq .disclosure summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 14px 15px 14px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--warm-white);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .disclosure summary:hover {
  color: var(--cyan);
}

.page-faq .disclosure summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .disclosure summary .num {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .disclosure[open] summary .num {
  color: var(--orange);
}

.page-faq .disclosure__body {
  padding: 0 18px 18px 40px;
}

.page-faq .disclosure__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-body);
}

.page-faq .disclosure__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .disclosure__body a:hover,
.page-faq .disclosure__body a:focus-visible {
  color: var(--amber);
  outline: none;
}

/* 对照表 */
.page-faq .faq-table-wrap {
  margin-top: clamp(22px, 3.5vw, 34px);
  overflow-x: auto;
  background: var(--warm-white);
  border: 2px solid var(--void);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  color: var(--slate);
}

.page-faq .faq-table caption {
  padding: 13px 16px;
  text-align: left;
  background: var(--paper-line);
  color: var(--slate);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--paper-line);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-table thead th {
  border-top: none;
  background: var(--slate);
  color: var(--warm-white);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

.page-faq .faq-table tbody th {
  width: 32%;
  font-weight: 700;
  background: rgba(217, 210, 196, 0.4);
}

.page-faq .faq-table tbody tr:hover td {
  background: rgba(255, 106, 31, 0.08);
}

/* 人工帮助 */
.page-faq .faq-help {
  padding: clamp(24px, 4vw, 48px);
  background: var(--navy-700);
  border: 2px solid var(--void);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-help__label {
  margin: 0;
  color: var(--orange);
}

.page-faq .faq-help__intro {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-help__item {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-help__item .label {
  color: var(--mid-blue);
}

.page-faq .faq-help__value {
  font-size: 15px;
  line-height: 1.5;
  color: var(--warm-white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-faq .faq-help__note {
  margin: 22px 0 0;
  max-width: 44em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--faq-muted);
}

.page-faq .faq-help .btn {
  margin-top: 24px;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-hero__index {
    transform: translateY(16px);
  }

  .page-faq .faq-split {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 28px;
    right: calc(-1 * (clamp(16px, 3vw, 32px) / 2));
    transform: translateX(50%);
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 17px;
    line-height: 1;
    color: var(--cyan);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .faq-step,
  .page-faq .disclosure,
  .page-faq .faq-crumb a {
    transition: none;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible,
  .page-faq .faq-step:hover {
    transform: none;
  }

  .page-faq .faq-hero__index {
    transform: none;
  }
}
<<<END>>>