.page-faq {
  --c-text-bright: currentColor;
  background: var(--c-ink);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq * {
  box-sizing: border-box;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

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

.page-faq .kit-wrap a:not(.kit-btn) {
  color: var(--c-cyan-deep);
  border-bottom: 1px solid rgba(15, 167, 157, .45);
  padding-bottom: 1px;
}

.page-faq .kit-wrap a:not(.kit-btn):hover,
.page-faq .kit-wrap a:not(.kit-btn):focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-faq .kit-media {
  margin: 0;
  border-radius: var(--kit-radius);
  overflow: hidden;
  border: 1px solid var(--kit-line-soft);
}

.page-faq .kit-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-shot {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-shot--wide {
  aspect-ratio: 3 / 2;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 34px) 0 clamp(44px, 7vw, 96px);
  background:
    radial-gradient(110% 80% at 6% 0%, rgba(18, 44, 79, .85), transparent 60%),
    var(--c-ink);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(620px, 74vw);
  height: 142%;
  background: linear-gradient(150deg, rgba(34, 224, 208, .16), rgba(11, 31, 58, .9) 55%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero .kit-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .kit-crumbs {
  margin-bottom: clamp(24px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.page-faq .kit-crumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--c-slate);
}

.page-faq .kit-crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--c-slate);
}

.page-faq .kit-crumbs li[aria-current="page"] {
  color: var(--c-amber);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-faq .faq-hero__lead {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-hero__lead .kit-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq h1 {
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.1;
  max-width: 16em;
}

.page-faq .faq-hero__desc {
  font-family: var(--font-read);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 248, 250, .82);
  max-width: 34em;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-faq .faq-hero__card {
  background: var(--c-paper);
  color: var(--c-text-dark);
  border-radius: var(--kit-radius);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: 0 22px 48px rgba(0, 0, 0, .34);
  transform: rotate(-1.2deg);
  border-top: 4px solid var(--c-amber);
}

.page-faq .faq-hero__cardlabel {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-slate);
  margin-bottom: 16px !important;
}

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

.page-faq .faq-stats li {
  display: grid;
  grid-template-columns: minmax(74px, auto) 1fr;
  gap: 4px 16px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--c-paper2);
}

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

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-text-dark);
}

.page-faq .faq-stat__num i {
  font-style: normal;
  font-size: .55em;
  margin-left: 2px;
}

.page-faq .faq-stat__label {
  font-size: 13px;
  line-height: 1.65;
  color: #405670;
}

/* ---------- 章节头 ---------- */

.page-faq .faq-sechead {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 44px);
  max-width: 46em;
}

.page-faq .faq-sechead .kit-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan-deep);
}

.page-faq .faq-sechead h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.18;
}

.page-faq .faq-sechead__lead {
  font-family: var(--font-read);
  font-size: 16px;
  line-height: 1.85;
  color: #405670;
  max-width: 36em;
}

/* ---------- 检索三步 ---------- */

.page-faq .faq-search {
  background: var(--c-paper);
  color: var(--c-text-dark);
  border-top: 1px solid var(--c-paper2);
}

.page-faq .faq-search h2,
.page-faq .faq-search h3 {
  color: var(--c-text-dark);
}

.page-faq .faq-workbench {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 4px 18px;
  padding: 22px 0 26px;
  border-top: 1px solid var(--c-paper2);
  position: relative;
}

.page-faq .faq-step:first-child {
  border-top: 3px solid var(--c-cyan-deep);
  padding-top: 20px;
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cyan-deep);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-step__num::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--c-slate);
}

.page-faq .faq-step:first-child .faq-step__num {
  color: var(--c-amber);
}

.page-faq .faq-step:first-child .faq-step__num::after {
  background: var(--c-amber);
  border-color: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(242, 163, 58, .18);
}

.page-faq .faq-step__body h3 {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  margin-bottom: 8px;
}

.page-faq .faq-step__body p {
  font-size: 15px;
  line-height: 1.8;
  color: #405670;
  max-width: 34em;
}

.page-faq .faq-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-idxcard {
  background: var(--c-navy);
  color: var(--c-text);
  border: 1px solid rgba(34, 224, 208, .35);
  border-radius: var(--kit-radius);
  padding: 18px 18px 14px;
}

.page-faq .faq-idxcard__head {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: 12px !important;
}

.page-faq .faq-idxrow {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid rgba(91, 111, 134, .32);
}

.page-faq .faq-idxrow__n {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-amber);
}

.page-faq .faq-idxrow__t {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 248, 250, .9);
}

.page-faq .faq-idxcard__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px solid rgba(91, 111, 134, .32);
}

.page-faq .faq-tips {
  margin-top: clamp(30px, 5vw, 52px);
  background: var(--c-paper2);
  border-left: 4px solid var(--c-amber);
  border-radius: 0 var(--kit-radius) var(--kit-radius) 0;
  padding: clamp(18px, 3vw, 28px);
}

.page-faq .faq-tips h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--c-text-dark);
}

.page-faq .faq-tips ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-tips li {
  font-size: 14.5px;
  line-height: 1.8;
  color: #3a4f68;
}

.page-faq .faq-tips strong {
  color: var(--c-text-dark);
}

/* ---------- 导航与索引 ---------- */

.page-faq .faq-navmap {
  background: var(--c-ink);
  border-top: 1px solid var(--kit-line-soft);
}

.page-faq .faq-navmap__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-navmap__copy {
  display: grid;
  gap: 16px;
}

.page-faq .faq-navmap__copy .kit-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-navmap__copy h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.18;
}

.page-faq .faq-navmap__copy > p {
  font-family: var(--font-read);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 248, 250, .8);
  max-width: 34em;
}

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

.page-faq .faq-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 248, 250, .82);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--c-cyan);
}

.page-faq .faq-list strong {
  color: var(--c-text-bright, #F4F8FA);
  font-weight: 700;
}

.page-faq .faq-navmap .kit-wrap a:not(.kit-btn) {
  color: var(--c-cyan);
  border-bottom-color: rgba(34, 224, 208, .4);
}

/* ---------- 版本对照 ---------- */

.page-faq .faq-version {
  background: var(--c-navy);
  border-top: 1px solid var(--kit-line-soft);
}

.page-faq .faq-version .faq-sechead__lead {
  color: rgba(244, 248, 250, .76);
}

.page-faq .faq-version .kit-eyebrow {
  color: var(--c-amber);
}

.page-faq .faq-version .kit-wrap a:not(.kit-btn) {
  color: var(--c-cyan);
  border-bottom-color: rgba(34, 224, 208, .4);
}

.page-faq .faq-axis {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-faq .faq-axis__node {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(244, 248, 250, .6);
  border: 1px solid var(--kit-line);
  border-radius: 999px;
  padding: 6px 14px;
  white-space: nowrap;
}

.page-faq .faq-axis__node--now {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  font-weight: 700;
}

.page-faq .faq-axis__line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--c-lift), var(--c-cyan));
  border-radius: 2px;
}

.page-faq .faq-vcards {
  display: grid;
  gap: 16px;
}

.page-faq .faq-vcard {
  background: var(--c-lift);
  border: 1px solid var(--kit-line-soft);
  border-radius: var(--kit-radius);
  padding: 20px;
  transition: transform .2s ease, border-color .2s ease;
}

.page-faq .faq-vcard:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 224, 208, .55);
}

.page-faq .faq-vcard__n {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-cyan);
  letter-spacing: .12em;
  margin-bottom: 10px !important;
}

.page-faq .faq-vcard h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--c-text, #F4F8FA);
}

.page-faq .faq-vcard p {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 248, 250, .78);
}

/* ---------- 常见问题 ---------- */

.page-faq .faq-faq {
  background: var(--c-paper2);
  color: var(--c-text-dark);
}

.page-faq .faq-faq h2 {
  color: var(--c-text-dark);
}

.page-faq .faq-items {
  display: grid;
  gap: 10px;
  max-width: 58em;
}

.page-faq .faq-item {
  background: var(--c-paper);
  border: 1px solid rgba(11, 31, 58, .1);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(15, 167, 157, .6);
  box-shadow: 0 8px 22px rgba(11, 31, 58, .1);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-text-dark);
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--c-cyan-deep);
  flex: none;
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2212";
  color: var(--c-amber);
}

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

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-slate);
  flex: none;
  padding-top: 2px;
}

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

.page-faq .faq-item__a p {
  font-size: 14.5px;
  line-height: 1.85;
  color: #3a4f68;
  max-width: 40em;
  border-top: 1px dashed var(--c-paper2);
  padding-top: 14px;
}

.page-faq .faq-item__a a {
  color: var(--c-cyan-deep);
  border-bottom: 1px solid rgba(15, 167, 157, .45);
}

/* ---------- 仍需帮助 ---------- */

.page-faq .faq-help {
  background: var(--c-ink);
}

.page-faq .faq-help__panel {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  background: var(--c-navy);
  border: 1px solid rgba(34, 224, 208, .4);
  border-radius: 18px;
  padding: clamp(22px, 4vw, 42px);
  overflow: hidden;
}

.page-faq .faq-help__panel::before {
  content: "";
  position: absolute;
  top: 20px;
  right: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-amber);
  box-shadow: 0 0 0 5px rgba(242, 163, 58, .18);
}

.page-faq .faq-help__copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-help__copy .kit-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-help__copy h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
}

.page-faq .faq-help__copy > p {
  font-family: var(--font-read);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 248, 250, .82);
  max-width: 32em;
}

.page-faq .faq-help__copy .kit-btn {
  justify-self: start;
  margin-top: 4px;
}

.page-faq .kit-contact {
  margin: 0;
  display: grid;
  gap: 4px;
  align-content: start;
}

.page-faq .kit-contact__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-slate);
  margin-top: 12px;
}

.page-faq .kit-contact__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text, #F4F8FA);
  word-break: break-word;
}

.page-faq .kit-contact__v--mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-faq .kit-contact__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(91, 111, 134, .32);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 248, 250, .66);
  max-width: 34em;
}

.page-faq .faq-help .kit-wrap a:not(.kit-btn) {
  color: var(--c-cyan);
  border-bottom-color: rgba(34, 224, 208, .45);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-vcards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-idxcard {
    padding: 20px 22px 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

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

  .page-faq .faq-workbench {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-faq .faq-navmap__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-tips ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding-left: 0;
    list-style: none;
  }

  .page-faq .faq-tips li {
    border-left: 2px solid rgba(242, 163, 58, .45);
    padding-left: 14px;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-vcards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 479px) {
  .page-faq .faq-hero__card {
    transform: none;
  }

  .page-faq .faq-step {
    grid-template-columns: 40px 1fr;
    gap: 4px 14px;
  }

  .page-faq .faq-step__num {
    font-size: 1.15rem;
  }

  .page-faq .faq-item__q {
    padding: 14px 15px;
    gap: 9px;
  }

  .page-faq .faq-item__a {
    padding: 0 15px 16px 15px;
  }

  .page-faq .faq-axis__node {
    padding: 5px 10px;
    font-size: 11px;
  }
}

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

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