.page-faq {
  --faq-edge: rgba(18, 41, 74, 0.9);
  --faq-edge-soft: rgba(18, 41, 74, 0.55);
  --faq-card: rgba(12, 20, 36, 0.72);
  --faq-grid-line: rgba(30, 91, 255, 0.1);
  --faq-cyan-soft: rgba(0, 229, 255, 0.14);
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 96px);
  color: var(--fog);
  font-family: var(--font-body);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3vw, 36px) 0 clamp(28px, 4vw, 52px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 90% at 15% 0%, #000 15%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 15% 0%, #000 15%, transparent 78%);
  pointer-events: none;
}

.page-faq .faq-hero .shell,
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__eyebrow .num {
  color: var(--orange);
  margin-right: 6px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
  max-width: 18em;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__facts li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--fog);
  border: 1px solid var(--faq-edge);
  background: rgba(18, 41, 74, 0.35);
  padding: 6px 12px;
}

.page-faq .faq-hero__facts .num {
  color: var(--cyan);
  font-size: 14px;
  margin-right: 4px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--faq-edge);
  background: var(--navy);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 76px;
  height: 3px;
  background: var(--cyan);
}

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

.page-faq .faq-section {
  padding: clamp(30px, 4.6vw, 58px) 0;
  border-top: 1px solid var(--faq-edge-soft);
}

.page-faq .faq-section__head {
  max-width: 74ch;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-section__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(21px, 2.9vw, 31px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-section__head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .sec-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .sec-index .num {
  color: var(--orange);
}

.page-faq .sec-index::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

/* 场景入口 */
.page-faq .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .scene-item a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num meta";
  column-gap: 14px;
  row-gap: 4px;
  align-items: center;
  padding: 16px 18px;
  text-decoration: none;
  border: 1px solid var(--faq-edge);
  border-left: 3px solid var(--blueprint);
  background: linear-gradient(100deg, rgba(18, 41, 74, 0.5), rgba(12, 20, 36, 0.35));
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .scene-item a:hover,
.page-faq .scene-item a:focus-visible {
  border-color: var(--cyan);
  border-left-color: var(--cyan);
  background: linear-gradient(100deg, rgba(0, 229, 255, 0.1), rgba(12, 20, 36, 0.4));
  transform: translateY(-2px);
}

.page-faq .scene-item__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .scene-item__title {
  grid-area: title;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .scene-item__meta {
  grid-area: meta;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* 分栏 */
.page-faq .faq-split {
  display: grid;
  gap: 18px;
}

/* 步骤条 */
.page-faq .steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps li {
  counter-increment: faq-step;
  position: relative;
  padding: 14px 16px 14px 56px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
  border: 1px solid var(--faq-edge);
  background: linear-gradient(90deg, rgba(30, 91, 255, 0.12), rgba(12, 20, 36, 0.2) 62%);
}

.page-faq .steps li strong {
  color: var(--paper);
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
}

.page-faq .steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 15px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .steps li::after {
  content: "";
  position: absolute;
  left: 39px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: var(--faq-edge);
}

/* 折叠问答 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-edge);
  background: var(--faq-card);
  transition: border-color 180ms var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 229, 255, 0.45);
}

.page-faq .faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 15px 46px 15px 18px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--fog);
  transition: color 160ms var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item summary:hover {
  color: var(--paper);
}

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

.page-faq .faq-item__body {
  border-top: 1px solid var(--faq-edge-soft);
  padding: 13px 18px 17px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

/* 刷新节奏 */
.page-faq .refresh-meter {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  margin: 4px 0 8px;
}

.page-faq .refresh-meter__mark {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .refresh-meter__mark .num {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .refresh-meter__mark em {
  font-style: normal;
  font-size: 11px;
  margin-left: 1px;
}

.page-faq .refresh-meter__track {
  position: relative;
  height: 6px;
  background: var(--faq-edge);
  overflow: hidden;
}

.page-faq .refresh-meter__track i {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 55%, var(--orange));
  opacity: 0.85;
}

.page-faq .refresh-meter__cap {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* 对照表 */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-edge);
  background: var(--navy);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--slate);
  border-top: 1px solid var(--faq-edge);
}

.page-faq .compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--faq-edge);
  background: var(--faq-card);
}

.page-faq .compare {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .compare caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .compare th,
.page-faq .compare td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--faq-edge-soft);
  line-height: 1.65;
}

.page-faq .compare thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: rgba(30, 91, 255, 0.14);
  border-bottom-color: var(--blueprint);
}

.page-faq .compare tbody th {
  font-weight: 700;
  color: var(--fog);
  white-space: nowrap;
  background: rgba(12, 20, 36, 0.5);
}

.page-faq .compare tbody td {
  color: var(--slate);
}

.page-faq .compare tbody tr:last-child th,
.page-faq .compare tbody tr:last-child td {
  border-bottom: none;
}

/* 联系前准备 */
.page-faq .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .prep-list li {
  position: relative;
  padding: 14px 16px 14px 60px;
  border: 1px solid var(--faq-edge);
  background: linear-gradient(120deg, rgba(255, 138, 31, 0.09), rgba(12, 20, 36, 0.3) 65%);
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .prep-list__num {
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .prep-list li strong {
  display: block;
  color: var(--paper);
  margin-bottom: 2px;
}

.page-faq .contact-panel {
  border: 1px solid var(--faq-edge);
  border-top: 3px solid var(--orange);
  background: rgba(12, 20, 36, 0.8);
  padding: 18px;
}

.page-faq .contact-panel__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .contact-panel__list {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  align-items: baseline;
}

.page-faq .contact-panel__list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .contact-panel__list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fog);
  word-break: break-word;
}

.page-faq .contact-panel__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-edge-soft);
  font-size: 13px;
  line-height: 1.72;
  color: var(--slate);
}

/* 收尾 */
.page-faq .faq-next__inner {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--faq-edge);
  background:
    linear-gradient(115deg, rgba(30, 91, 255, 0.18), rgba(12, 20, 36, 0.5) 55%, rgba(0, 229, 255, 0.08));
  -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-next__inner h2 {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.4vw, 26px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-next__inner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 52ch;
}

.page-faq .faq-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-next__link {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  background: var(--orange);
  border: 1px solid var(--orange);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  transform: translateY(-2px);
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-faq .faq-next__link:focus-visible,
.page-faq .scene-item a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 720px) {
  .page-faq .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-split--reverse {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }

  .page-faq .faq-next__links {
    justify-content: flex-end;
    max-width: 480px;
  }
}

@media (min-width: 1080px) {
  .page-faq .scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .scene-item:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .scene-item a,
  .page-faq .faq-item summary,
  .page-faq .faq-next__link {
    transition: none;
  }

  .page-faq .scene-item a:hover,
  .page-faq .faq-next__link:hover {
    transform: none;
  }
}
<<<END>>>