.page-faq {
  --faq-gap: clamp(18px, 2.6vw, 30px);
  --faq-cut: 18px;
  --faq-answer-pad: 16px;
  background: var(--graphite-900);
  color: var(--text);
}

.page-faq .faq-current {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.6vw, 44px) 0 clamp(30px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 460px at 84% -12%, rgba(11, 94, 215, 0.55), transparent 72%),
    radial-gradient(620px 320px at 4% 108%, rgba(22, 224, 255, 0.14), transparent 70%),
    var(--graphite-900);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(22, 224, 255, 0.08) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-faq .faq-hero-copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: #fff;
  text-wrap: balance;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-ticket {
  align-self: start;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--paper);
  color: var(--paper-ink);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-ticket-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue);
  text-transform: uppercase;
}

.page-faq .faq-ticket-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--paper-ink);
}

.page-faq .faq-ticket-steps {
  margin: 16px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-ticket-steps li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(37, 28, 22, 0.16);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-ticket-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-ticket-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-faq .faq-ticket-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(37, 28, 22, 0.72);
}

.page-faq .faq-stats {
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stat {
  padding: 13px 14px;
  background: var(--graphite-900);
}

.page-faq .faq-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 27px);
  letter-spacing: -0.02em;
  color: var(--yellow);
}

.page-faq .faq-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  padding-top: clamp(30px, 4.6vw, 60px);
  padding-bottom: clamp(34px, 5vw, 68px);
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-index-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index-link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(22, 224, 255, 0.08);
}

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

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid rgba(22, 224, 255, 0.32);
  background: var(--graphite-800);
  overflow: hidden;
}

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

.page-faq .faq-caption {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  margin-bottom: clamp(32px, 4vw, 52px);
  scroll-margin-top: calc(var(--header-h) + 72px);
}

.page-faq .faq-block:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-block-head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-blue);
}

.page-faq .faq-block-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--yellow);
}

.page-faq .faq-block-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
}

.page-faq .faq-steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-step {
  padding: 13px 14px;
  background: var(--graphite-800);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-step b {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-step em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--mist);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  background: linear-gradient(180deg, var(--graphite-800), #151a20);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px rgba(174, 183, 194, 0.22);
  transition: box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item:hover,
.page-faq .faq-item:focus-within {
  box-shadow: inset 0 0 0 1px rgba(22, 224, 255, 0.55);
}

.page-faq .faq-item[open] {
  box-shadow: inset 0 0 0 1px rgba(11, 94, 215, 0.65);
}

.page-faq .faq-item summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 18px 14px 14px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--text);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

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

.page-faq .faq-num {
  flex: 0 0 auto;
  min-width: 27px;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 18px;
  text-align: center;
  color: #14181d;
  background: var(--orange);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.55;
}

.page-faq .faq-sign {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-faq .faq-sign::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-sign::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-sign::after {
  transform: scaleY(0);
}

.page-faq .faq-answer {
  padding: 0 18px 18px var(--faq-answer-pad);
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
}

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-tag {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #1b2026;
  background: var(--yellow);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-faq .faq-next {
  display: inline-block;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 224, 255, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-next:hover,
.page-faq .faq-next:focus-visible {
  color: #fff;
  border-bottom-color: #fff;
}

.page-faq .faq-next:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 客服信息面板 ---------- */
.page-faq .faq-contact-card {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: 20px;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--paper);
  color: var(--paper-ink);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .faq-contact-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue);
  text-transform: uppercase;
}

.page-faq .faq-contact-line {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-contact-line span {
  flex: 0 0 auto;
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 22px;
  color: var(--paper-ink);
  border-bottom: 1px solid rgba(37, 28, 22, 0.4);
}

.page-faq .faq-contact-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(37, 28, 22, 0.74);
}

.page-faq .faq-figure--wide {
  border-color: rgba(11, 94, 215, 0.4);
  align-self: start;
}

.page-faq .faq-figure--wide .faq-caption {
  border-top-color: rgba(37, 28, 22, 0.16);
  color: rgba(37, 28, 22, 0.7);
  background: var(--paper);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  margin-top: clamp(26px, 3.4vw, 42px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-blue);
  background:
    repeating-linear-gradient(115deg, rgba(11, 94, 215, 0.14) 0 2px, transparent 2px 22px),
    var(--graphite-800);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .faq-tail-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: -0.03em;
  color: #fff;
}

.page-faq .faq-tail-text {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 480px) {
  .page-faq {
    --faq-answer-pad: 53px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(220px, 264px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-item summary {
    padding-left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-link,
  .page-faq .faq-item,
  .page-faq .faq-sign::after,
  .page-faq .faq-next {
    transition: none;
  }
}

@media print {
  .page-faq .faq-index,
  .page-faq .faq-hero-actions,
  .page-faq .faq-tail-actions {
    display: none;
  }

  .page-faq .faq-item {
    box-shadow: none;
    clip-path: none;
    border: 1px solid #999;
  }

  .page-faq .faq-contact-card {
    clip-path: none;
    border: 1px solid #999;
  }
}
<<<END>>>