.page-faq {
  --faq-pad: clamp(46px, 7vw, 92px);
  --qa-bg: var(--card);
  --qa-line: var(--line);
  --qa-ink: var(--mint);
  --qa-idx: var(--cyan);
  --qa-mute: var(--mute);
  background: var(--deep);
  color: var(--mint);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq .faq-top {
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: clamp(38px, 6vw, 74px);
}

/* 面包屑 */
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  font-size: 0.78rem;
}
.page-faq .breadcrumb__item {
  color: var(--mute);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-faq .breadcrumb__link {
  color: var(--mute);
  text-decoration: none;
}
.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--cyan);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding-top: clamp(22px, 4vw, 42px);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-faq .faq-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.page-faq h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 0.96rem;
  color: var(--mint);
}
.page-faq .faq-hero__lead--quiet {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--mute);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(231, 239, 232, 0.03);
  color: var(--mint);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}
.page-faq .faq-pill .mono {
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(24, 240, 196, 0.08);
}

.page-faq .faq-search {
  margin-top: 30px;
  max-width: 520px;
}
.page-faq .faq-search__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--mute);
}
.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--deep);
  transition: border-color var(--t-fast) var(--ease);
}
.page-faq .faq-search__field:focus-within {
  border-color: var(--cyan);
}
.page-faq .faq-search__field svg {
  flex: 0 0 auto;
  color: var(--mute);
}
.page-faq .faq-search__field input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 13px 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.94rem;
  outline: none;
}
.page-faq .faq-search__field input::placeholder {
  color: var(--mute);
}
.page-faq .faq-search__hint {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--mute);
}

/* 三步路径卡 */
.page-faq .faq-path {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(24, 240, 196, 0.07), rgba(11, 43, 38, 0) 46%), var(--deep);
}
.page-faq .faq-path::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 6px;
  background: var(--orange);
  transform: skewX(-12deg);
}
.page-faq .faq-path__title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-faq .faq-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-path__list li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-path__list li:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-faq .faq-path__num {
  flex: 0 0 auto;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}
.page-faq .faq-path__list strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--paper);
}
.page-faq .faq-path__list p {
  margin: 4px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mute);
}
.page-faq .faq-path__cta {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}
.page-faq .faq-path__cta:hover,
.page-faq .faq-path__cta:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 章节骨架 */
.page-faq .faq-sec {
  padding: var(--faq-pad) 0;
}
.page-faq .faq-sec--paper {
  background: var(--paper);
  color: var(--ink-text);
  --qa-bg: #FFFDF6;
  --qa-line: #CFDACF;
  --qa-ink: var(--ink-text);
  --qa-idx: #0F6B57;
  --qa-mute: var(--mute-ink);
}
.page-faq .faq-sec--light {
  background: var(--mint);
  color: var(--ink-text);
  --qa-bg: #FBFDFA;
  --qa-line: #C3D3C8;
  --qa-ink: var(--ink-text);
  --qa-idx: #0F6B57;
  --qa-mute: var(--mute-ink);
}
.page-faq .faq-sec--dark {
  background: var(--ink);
}
.page-faq .faq-sec--indigo {
  background: var(--indigo);
  color: var(--mint);
  --qa-bg: #2B2158;
  --qa-line: #5C4BA0;
  --qa-ink: var(--mint);
  --qa-idx: var(--cyan);
  --qa-mute: #CFC7EA;
}
.page-faq .faq-sec--paper .faq-kicker,
.page-faq .faq-sec--light .faq-kicker {
  color: #0F6B57;
}

.page-faq .faq-sec__head {
  max-width: 62ch;
}
.page-faq .faq-sec__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
}
.page-faq .faq-sec__sub {
  margin: 12px 0 0;
  font-size: 0.92rem;
  color: var(--qa-mute);
}

.page-faq .faq-sec__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* 入门细节格 */
.page-faq .faq-tips {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
}
.page-faq .faq-tips > li {
  background: var(--qa-bg);
  padding: 22px 20px 26px;
}
.page-faq .faq-tips__num {
  display: block;
  margin-bottom: 10px;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--qa-idx);
}
.page-faq .faq-tips h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--qa-ink);
}
.page-faq .faq-tips p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--qa-mute);
}

/* 问答面板 */
.page-faq .faq-panel {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .qa {
  border: 1px solid var(--qa-line);
  background: var(--qa-bg);
  transition: border-color var(--t-fast) var(--ease);
}
.page-faq .qa[open] {
  border-color: var(--qa-idx);
}
.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 0.96rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--qa-ink);
}
.page-faq .qa__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--qa-idx);
  outline-offset: -2px;
}
.page-faq .qa__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--qa-idx);
}
.page-faq .qa__t {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--qa-idx);
  transition: transform var(--t-fast) var(--ease);
}
.page-faq .qa[open] .qa__q::after {
  content: "\2212";
}
.page-faq .qa__a {
  padding: 0 18px 18px;
}
.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 0.9rem;
  color: var(--qa-mute);
}
.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__a strong {
  color: var(--qa-ink);
}

/* 两栏：问答 + 侧注 */
.page-faq .faq-split {
  display: grid;
  gap: 28px;
}
.page-faq .faq-side {
  align-self: start;
  border-top: 2px solid var(--qa-idx);
  padding-top: 16px;
}
.page-faq .faq-side__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--qa-idx);
}
.page-faq .faq-side p {
  margin: 0 0 12px;
  font-size: 0.86rem;
  color: var(--qa-mute);
}
.page-faq .faq-side__link {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--qa-idx);
  color: var(--qa-ink);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}
.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--qa-idx);
}

.page-faq .faq-figure {
  margin: 0 0 18px;
  border: 1px solid var(--qa-line);
  background: var(--qa-bg);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--qa-line);
  font-size: 0.76rem;
  color: var(--qa-mute);
}
.page-faq .faq-figure--wide {
  margin: 28px 0 26px;
}

/* 文档索引 */
.page-faq .faq-docs {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
}
.page-faq .faq-docs > li {
  background: var(--qa-bg);
  padding: 20px 18px 22px;
}
.page-faq .faq-docs__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 7px;
  border: 1px solid var(--qa-line);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--qa-idx);
}
.page-faq .faq-docs h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--qa-ink);
}
.page-faq .faq-docs p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--qa-mute);
}

/* 联系支持 */
.page-faq .faq-contact {
  display: grid;
  gap: 30px;
}
.page-faq .faq-contact__intro h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-faq .faq-contact__intro p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 0.92rem;
  color: var(--mute);
}
.page-faq .faq-contact__note {
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  color: var(--mint) !important;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--deep);
}
.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-contact__list li:first-child {
  border-top: 0;
}
.page-faq .faq-contact__k {
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-faq .faq-contact__v {
  font-size: 0.92rem;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* 窄屏按钮排布 */
@media (max-width: 560px) {
  .page-faq .faq-sec__actions .btn {
    width: 100%;
    text-align: center;
  }
  .page-faq .faq-contact__note {
    padding-left: 12px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-tips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-docs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-contact__list li {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-path {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-docs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 52px;
    align-items: start;
  }
  .page-faq .faq-side {
    position: sticky;
    top: 100px;
  }
  .page-faq .faq-sec__head h2 {
    max-width: 46ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pill,
  .page-faq .qa,
  .page-faq .qa__q::after,
  .page-faq .faq-search__field {
    transition: none;
  }
}
<<<END>>>