.page-faq {
  display: block;
  padding-top: clamp(16px, 2.4vw, 32px);
  padding-bottom: clamp(56px, 8vw, 104px);
  font-family: var(--font-cn);
  color: var(--text);
  background:
    radial-gradient(70% 32% at 100% 0%, rgba(34, 211, 238, 0.07), transparent 62%),
    radial-gradient(64% 34% at 0% 6%, rgba(200, 16, 46, 0.12), transparent 66%);
}

.page-faq .faq-crumb {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 44px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 5.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(14.5px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--paper-dim);
}

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

.page-faq .faq-hero__side {
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(155deg, var(--charcoal-800) 0%, var(--ink-900) 62%, var(--ink-950) 100%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq .faq-hero__side-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .faq-hero__fact-num {
  flex: none;
  min-width: 2.1em;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--fluoro);
}

.page-faq .faq-hero__fact-txt {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper-dim);
}

.page-faq .faq-hero__side-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 索引 + 步骤 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(36px, 5vw, 68px);
  align-items: start;
}

.page-faq .faq-index {
  min-width: 0;
  padding-top: 16px;
  border-top: 2px solid var(--milan-red);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 9px 10px 9px 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  text-decoration: none;
  border-left: 2px solid transparent;
  background: rgba(233, 227, 214, 0.02);
  transition: border-color 0.18s var(--ease-out), background-color 0.18s var(--ease-out), color 0.18s var(--ease-out);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--fluoro);
  background: rgba(232, 255, 58, 0.07);
  color: var(--fluoro);
  outline: none;
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--fluoro);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-index__media {
  margin: 20px 0 0;
  aspect-ratio: 4 / 3;
}

.page-faq .faq-steps {
  min-width: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  background: linear-gradient(158deg, #20252D 0%, var(--ink-900) 58%);
  box-shadow: inset 0 0 0 1px rgba(233, 227, 214, 0.13);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: box-shadow 0.18s var(--ease-out);
}

.page-faq .faq-step[open] {
  box-shadow: inset 0 0 0 1px rgba(200, 16, 46, 0.9);
}

.page-faq .faq-step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 16px clamp(16px, 2vw, 24px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

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

.page-faq .faq-step__head::marker {
  content: "";
}

.page-faq .faq-step__head:hover .faq-step__title {
  color: var(--fluoro);
}

.page-faq .faq-step__head:focus-visible {
  outline: 2px solid var(--fluoro);
  outline-offset: -4px;
}

.page-faq .faq-step__head::after {
  content: "+";
  flex: none;
  margin-left: auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--fluoro);
  box-shadow: inset 0 0 0 1px rgba(232, 255, 58, 0.5);
  transition: transform 0.18s var(--ease-out);
}

.page-faq .faq-step[open] .faq-step__head::after {
  content: "−";
}

.page-faq .faq-step__num {
  flex: none;
  padding: 3px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--milan-red);
  background: rgba(200, 16, 46, 0.14);
}

.page-faq .faq-step__title {
  transition: color 0.18s var(--ease-out);
}

.page-faq .faq-step__body {
  padding: 0 clamp(16px, 2vw, 24px) clamp(18px, 2.4vw, 26px);
  max-width: 40em;
}

.page-faq .faq-step__lead {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-faq .faq-step__list {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-step__list li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-step__list li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-step__list a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(34, 211, 238, 0.7);
  text-underline-offset: 3px;
  transition: color 0.18s var(--ease-out);
}

.page-faq .faq-step__list a:hover,
.page-faq .faq-step__list a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-step__media {
  margin: 18px 0 0;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-check-row {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-check__mark {
  flex: none;
  margin-top: 2px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
}

.page-faq .faq-check--yes .faq-check__mark {
  color: var(--ink-950);
  background: var(--cyan);
}

.page-faq .faq-check--no .faq-check__mark {
  color: var(--paper);
  background: var(--milan-red);
}

/* ---------- 栏目与历史数据 ---------- */
.page-faq .faq-archive {
  margin-top: clamp(38px, 5vw, 76px);
}

.page-faq .faq-archive__panel {
  padding: clamp(22px, 3.2vw, 46px);
}

.page-faq .faq-archive__eyebrow {
  color: var(--deep-red);
}

.page-faq .faq-archive__title {
  margin: 12px 0 14px;
  font-size: clamp(20px, 2.6vw, 32px);
  line-height: 1.3;
  font-weight: 900;
  color: #14161A;
}

.page-faq .faq-archive__text {
  max-width: 38em;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.9;
  color: #33363B;
}

.page-faq .faq-archive__deflist {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid rgba(26, 28, 32, 0.18);
}

.page-faq .faq-archive__deflist > div {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(26, 28, 32, 0.18);
}

.page-faq .faq-archive__deflist dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--deep-red);
}

.page-faq .faq-archive__deflist dd {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: #24272C;
}

/* ---------- 反馈 ---------- */
.page-faq .faq-help {
  margin-top: clamp(38px, 5vw, 76px);
}

.page-faq .faq-help__inner {
  position: relative;
  padding: clamp(22px, 3.4vw, 46px);
  background: linear-gradient(118deg, rgba(200, 16, 46, 0.24) 0%, rgba(19, 22, 27, 0.4) 46%, rgba(10, 11, 13, 0) 78%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq .faq-help__inner::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--fluoro);
}

.page-faq .faq-help__title {
  margin: 10px 0 14px;
  font-size: clamp(20px, 2.5vw, 30px);
  line-height: 1.3;
  font-weight: 900;
  color: var(--text);
}

.page-faq .faq-help__text {
  max-width: 38em;
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 42em;
}

.page-faq .faq-help__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-help__k {
  flex: none;
  min-width: 3.6em;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-help__btn {
  margin-top: 8px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-archive__deflist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 42px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-hero__side {
    transform: rotate(-1.4deg);
    margin-top: 8px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

@media (min-width: 980px) and (min-height: 780px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-step,
  .page-faq .faq-step__head::after,
  .page-faq .faq-step__title,
  .page-faq .faq-step__list a {
    transition: none;
  }

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