.page-faq {
  --faq-index-w: 268px;
  --faq-edge: rgba(247, 244, 238, 0.14);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  padding: 18px 0 6px;
  font-size: 13px;
  color: var(--char);
  opacity: 0.7;
}

.page-faq .breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--red);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4vw, 52px) 0 clamp(34px, 5vw, 68px);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: 48%;
  height: 165%;
  background: var(--red);
  opacity: 0.16;
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0 38%, var(--yellow) 38% 62%, var(--green) 62% 100%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  min-width: 0;
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-faq h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 72px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.78);
}

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

.page-faq .faq-hero .btn--ghost {
  border-color: rgba(247, 244, 238, 0.45);
  color: var(--paper);
}

.page-faq .faq-hero .btn--ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
}

.page-faq .faq-alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 44em;
  margin: 24px 0 0;
  padding: 12px 14px;
  background: rgba(216, 255, 62, 0.08);
  border-left: 3px solid var(--neon);
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.86);
}

.page-faq .faq-alert-dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--neon);
}

.page-faq .faq-hero-figure {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid rgba(247, 244, 238, 0.2);
  object-fit: cover;
}

.page-faq .faq-hero-figure .figure-label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 244, 238, 0.6);
}

/* ---------- 三步 ---------- */
.page-faq .faq-steps {
  padding: clamp(36px, 5vw, 76px) 0 clamp(32px, 4vw, 56px);
}

.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px clamp(14px, 2vw, 28px);
  align-items: start;
}

.page-faq .section-num {
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 800;
  line-height: 0.78;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--warm);
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
}

.page-faq .faq-section-head p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--char);
  opacity: 0.78;
}

.page-faq .faq-steps-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  min-width: 0;
}

.page-faq .faq-step {
  position: relative;
  min-width: 0;
  padding: 22px 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
  border-radius: 4px 4px 18px 4px;
}

.page-faq .faq-step:nth-child(2) {
  border-top-color: var(--yellow);
}

.page-faq .faq-step:nth-child(3) {
  border-top-color: var(--green);
}

.page-faq .faq-step-num {
  display: block;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}

.page-faq .faq-step:nth-child(2) .faq-step-num {
  color: var(--yellow);
}

.page-faq .faq-step:nth-child(3) .faq-step-num {
  color: var(--green);
}

.page-faq .faq-step h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .faq-step p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--char);
  opacity: 0.85;
}

.page-faq .faq-step-link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-faq .faq-step-link:hover {
  color: var(--ink);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  background: var(--char);
  color: var(--paper);
  padding: clamp(34px, 5vw, 72px) 0;
}

.page-faq .faq-body-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  min-width: 0;
}

.page-faq .faq-sr-title {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--warm);
}

.page-faq .faq-index-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--faq-edge);
  border-radius: 999px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.page-faq .faq-index-link .mono {
  color: var(--yellow);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--neon);
  background: rgba(216, 255, 62, 0.08);
}

.page-faq .faq-index-aside {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--green);
  background: rgba(247, 244, 238, 0.05);
}

.page-faq .faq-index-aside-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-faq .faq-index-aside p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.72);
}

.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: clamp(26px, 3.4vw, 42px);
  min-width: 0;
  scroll-margin-top: 24px;
}

.page-faq .faq-group-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-group-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background: var(--neon);
  border-radius: 4px;
  transform: skewX(-6deg);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  background: rgba(247, 244, 238, 0.04);
  border: 1px solid var(--faq-edge);
  border-left: 3px solid var(--red);
  border-radius: 4px 14px 14px 4px;
  overflow: hidden;
  scroll-margin-top: 24px;
  transition: background 200ms ease, border-color 200ms ease;
}

.page-faq .faq-item:hover {
  background: rgba(247, 244, 238, 0.07);
}

.page-faq .faq-item[open] {
  background: rgba(247, 244, 238, 0.08);
  border-left-color: var(--neon);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--neon);
}

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

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

.page-faq .faq-q-num {
  flex: none;
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--yellow);
}

.page-faq .faq-answer {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.8);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-answer ol,
.page-faq .faq-answer ul {
  margin: 0 0 10px;
  padding-left: 20px;
}

.page-faq .faq-answer li {
  margin-bottom: 5px;
}

.page-faq .faq-answer a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 255, 62, 0.5);
}

.page-faq .faq-answer a:hover {
  border-bottom-color: var(--neon);
}

.page-faq .faq-side-figure {
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  max-width: 340px;
}

.page-faq .faq-side-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--faq-edge);
  object-fit: cover;
}

.page-faq .faq-side-figure .figure-label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 238, 0.55);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  padding: clamp(34px, 4.5vw, 68px) 0;
  background: var(--paper);
}

.page-faq .faq-hot-head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .faq-hot-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-hot-head p {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--char);
  opacity: 0.75;
}

.page-faq .faq-hot-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-faq .faq-hot-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px 14px 14px 4px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.page-faq .faq-hot-list a:hover,
.page-faq .faq-hot-list a:focus-visible {
  transform: translateY(-3px);
  border-color: var(--red);
}

.page-faq .faq-hot-num {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.04em;
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help {
  background: var(--green);
  color: var(--paper);
  padding: clamp(34px, 5vw, 72px) 0;
}

.page-faq .faq-help-shell {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  min-width: 0;
}

.page-faq .faq-help-copy {
  min-width: 0;
}

.page-faq .faq-help-copy .section-num {
  display: block;
  margin-bottom: 6px;
  -webkit-text-stroke: 1.5px rgba(247, 244, 238, 0.45);
}

.page-faq .faq-help-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-help-copy p {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.85);
}

.page-faq .faq-help-copy .btn--primary {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.page-faq .faq-help-copy .btn--primary:hover {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

.page-faq .faq-help-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-faq .faq-help-list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(11, 13, 12, 0.18);
  border-left: 3px solid var(--neon);
  border-radius: 2px 10px 10px 2px;
  min-width: 0;
}

.page-faq .faq-help-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-faq .faq-help-value {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-help-note {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 244, 238, 0.7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: translateY(20px);
  }

  .page-faq .faq-hot-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hot-list li:first-child {
    grid-column: 1 / -1;
  }

  .page-faq .faq-help-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-help-shell {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body-grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding: 0;
  }

  .page-faq .faq-index-link {
    border-radius: 2px 10px 10px 2px;
    border-left: 2px solid var(--faq-edge);
    padding: 10px 12px;
  }

  .page-faq .faq-index-link:hover {
    border-left-color: var(--red);
  }

  .page-faq .faq-side-figure {
    margin-left: auto;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-hot-list a,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: none;
  }

  .page-faq .faq-hot-list a:hover {
    transform: none;
  }
}
<<<END>>>