.page-faq {
  --faq-panel: var(--panel-600);
  --faq-line: var(--graphite-700);
  --faq-card: rgba(10, 16, 32, .55);
  --faq-gap: clamp(28px, 4vw, 44px);
  color: var(--slate-200);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-block: clamp(20px, 4vw, 40px) clamp(48px, 8vw, 96px);
}

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

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.14;
  color: var(--white-000);
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--signal-cyan);
  text-decoration: none;
}

.page-faq a:hover {
  text-decoration: underline;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq .btn:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .04em;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(16px, 3vw, 26px);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted-400);
}

.page-faq .breadcrumb a {
  color: var(--slate-200);
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumb a:hover {
  color: var(--signal-cyan);
  border-bottom-color: var(--signal-cyan);
  text-decoration: none;
}

/* 首屏 */
.page-faq .faq-head {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--faq-gap);
  padding: clamp(24px, 4.5vw, 52px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 120% at 100% 0%, rgba(37, 240, 212, .18) 0%, rgba(37, 240, 212, 0) 56%),
    linear-gradient(158deg, var(--charcoal-850) 0%, var(--ink-900) 100%);
}

.page-faq .faq-head::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .38;
  background-image:
    linear-gradient(to right, rgba(38, 49, 63, .85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 49, 63, .85) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(125deg, transparent 42%, #000 100%);
  mask-image: linear-gradient(125deg, transparent 42%, #000 100%);
}

.page-faq .faq-head > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-head .eyebrow {
  margin-bottom: 14px;
  color: var(--signal-cyan);
}

.page-faq .faq-head h1 {
  max-width: 20ch;
  font-size: clamp(30px, 6vw, 52px);
}

.page-faq .faq-head .lead {
  max-width: 62ch;
  margin-top: 18px;
  font-size: clamp(15px, 2vw, 17px);
  color: var(--slate-200);
}

.page-faq .faq-head__stats {
  display: grid;
  gap: 16px;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: clamp(18px, 3vw, 24px) 0 0;
  border-top: 1px solid var(--faq-line);
  list-style: none;
}

.page-faq .faq-head__stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-faq .faq-head__stats .mono {
  font-size: clamp(17px, 2.6vw, 24px);
  color: var(--signal-cyan);
}

.page-faq .faq-head__stats em {
  font-style: normal;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted-400);
}

/* 三步快速定位 */
.page-faq .faq-steps {
  margin-bottom: var(--faq-gap);
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--charcoal-850);
}

.page-faq .faq-steps__head .eyebrow {
  margin-bottom: 12px;
  color: var(--track-orange);
}

.page-faq .faq-steps__head h2 {
  font-size: clamp(22px, 3.4vw, 32px);
}

.page-faq .faq-steps__head p {
  max-width: 60ch;
  margin-top: 12px;
  font-size: 15px;
  color: var(--slate-200);
}

.page-faq .faq-track {
  position: relative;
  display: grid;
  gap: 26px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-track::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--signal-cyan), var(--track-orange));
  opacity: .55;
}

.page-faq .faq-track__node {
  position: relative;
  padding-left: 62px;
}

.page-faq .faq-track__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--signal-cyan);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 0 0 6px rgba(37, 240, 212, .12);
}

.page-faq .faq-track__node h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.page-faq .faq-track__node p {
  font-size: 15px;
  color: var(--slate-200);
}

.page-faq .faq-steps__figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

.page-faq .faq-steps__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--ink-900);
}

.page-faq .faq-steps__figure .media-frame__label {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted-400);
}

/* 主体两栏 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-layout__main {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

/* 分类卡片 */
.page-faq .faq-cat {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 36px) clamp(18px, 3vw, 34px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--faq-panel);
  scroll-margin-top: 120px;
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--cat, var(--signal-cyan));
  opacity: .9;
}

.page-faq .faq-cat--access { --cat: var(--signal-cyan); }
.page-faq .faq-cat--login { --cat: var(--track-orange); }
.page-faq .faq-cat--content { --cat: var(--volt-violet); }
.page-faq .faq-cat--version { --cat: var(--alert-yellow); }

.page-faq .faq-cat__head .eyebrow {
  margin-bottom: 10px;
  color: var(--cat, var(--signal-cyan));
}

.page-faq .faq-cat__head h2 {
  font-size: clamp(21px, 3.2vw, 30px);
}

.page-faq .faq-cat__head p {
  max-width: 66ch;
  margin-top: 12px;
  font-size: 15px;
  color: var(--slate-200);
}

.page-faq .faq-cat__list {
  margin-top: clamp(18px, 3vw, 26px);
  display: grid;
  gap: 10px;
}

/* 折叠问句 */
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--cat, var(--signal-cyan));
  border-radius: var(--radius-sm);
  background: var(--faq-card);
  overflow: hidden;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 16px 46px 16px 16px;
  position: relative;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white-000);
  transition: background var(--dur-fast) var(--ease);
}

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

.page-faq .faq-item summary:hover {
  background: rgba(37, 240, 212, .07);
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cat, var(--signal-cyan));
}

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

.page-faq .faq-item__id {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  color: var(--cat, var(--signal-cyan));
}

.page-faq .faq-item .collapse__body {
  padding: 14px 18px 18px 16px;
  border-top: 1px dashed var(--faq-line);
  font-size: 15px;
  color: var(--slate-200);
}

.page-faq .faq-item__body p + p {
  margin-top: 10px;
}

/* 四条版本标签 */
.page-faq .faq-tags__list {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tags__item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--faq-card);
}

.page-faq .faq-tags__item .chip {
  justify-self: start;
}

.page-faq .faq-tags__item h3 {
  font-size: 17px;
}

.page-faq .faq-tags__item p {
  font-size: 14px;
  color: var(--slate-200);
}

.page-faq .faq-tags__item--new .chip {
  background: rgba(37, 240, 212, .14);
  border-color: rgba(37, 240, 212, .42);
  color: var(--signal-cyan);
}

.page-faq .faq-tags__item--opt .chip {
  background: rgba(138, 107, 255, .18);
  border-color: rgba(138, 107, 255, .44);
  color: var(--volt-violet);
}

.page-faq .faq-tags__item--fix .chip {
  background: rgba(46, 212, 122, .15);
  border-color: rgba(46, 212, 122, .42);
  color: var(--status-green);
}

.page-faq .faq-tags__item--entry .chip {
  background: rgba(255, 210, 63, .15);
  border-color: rgba(255, 210, 63, .42);
  color: var(--alert-yellow);
}

/* 等与不等 */
.page-faq .faq-wait {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3.4vw, 28px);
}

.page-faq .faq-wait__col {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-wait__col--now {
  border-left: 4px solid var(--status-green);
  background: linear-gradient(120deg, rgba(46, 212, 122, .09), rgba(27, 36, 50, .5) 60%);
}

.page-faq .faq-wait__col--later {
  border-left: 4px solid var(--alert-yellow);
  background: linear-gradient(120deg, rgba(255, 210, 63, .09), rgba(27, 36, 50, .5) 60%);
}

.page-faq .faq-wait__col h3 {
  margin-bottom: 12px;
  font-size: 17px;
}

.page-faq .faq-wait__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-wait__col li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--slate-200);
}

.page-faq .faq-wait__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 2px;
  background: var(--muted-500);
}

/* 右侧锚点 */
.page-faq .faq-anchor {
  padding: 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--charcoal-850);
}

.page-faq .faq-anchor__title {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted-400);
}

.page-faq .faq-anchor__list {
  display: grid;
  gap: 2px;
  margin: 12px 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-anchor__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--slate-200);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-faq .faq-anchor__list a:hover {
  background: rgba(37, 240, 212, .1);
  color: var(--white-000);
  text-decoration: none;
}

.page-faq .faq-anchor__list .mono {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted-400);
}

.page-faq .faq-anchor__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-faq .faq-anchor__dot--cyan { background: var(--signal-cyan); }
.page-faq .faq-anchor__dot--orange { background: var(--track-orange); }
.page-faq .faq-anchor__dot--violet { background: var(--volt-violet); }
.page-faq .faq-anchor__dot--yellow { background: var(--alert-yellow); }
.page-faq .faq-anchor__dot--green { background: var(--status-green); }

.page-faq .faq-anchor__cta {
  width: 100%;
  justify-content: center;
}

/* 对接 */
.page-faq .faq-help {
  margin-top: var(--faq-gap);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(110% 130% at 0% 0%, rgba(255, 106, 43, .16) 0%, rgba(255, 106, 43, 0) 58%),
    var(--charcoal-850);
  scroll-margin-top: 110px;
}

.page-faq .faq-help .eyebrow {
  margin-bottom: 12px;
  color: var(--track-orange);
}

.page-faq .faq-help h2 {
  font-size: clamp(22px, 3.4vw, 32px);
}

.page-faq .faq-help > p {
  max-width: 62ch;
  margin-top: 12px;
  font-size: 15px;
}

.page-faq .faq-help__list {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: rgba(10, 16, 32, .5);
  font-size: 15px;
}

.page-faq .faq-help__list .mono {
  color: var(--track-orange);
  font-size: 13px;
}

.page-faq .faq-help__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: clamp(18px, 3vw, 24px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-help__line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--white-000);
}

.page-faq .faq-help__line .mono {
  padding: 3px 9px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-pill);
  font-size: 11px;
  color: var(--muted-400);
}

.page-faq .faq-help__note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted-400);
}

/* 中等宽度 */
@media (min-width: 720px) {
  .page-faq .faq-head__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

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

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

/* 三步横向刻度 */
@media (min-width: 900px) {
  .page-faq .faq-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-faq .faq-track::before {
    left: 0;
    right: 0;
    top: 19px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--signal-cyan), var(--track-orange));
  }

  .page-faq .faq-track__node {
    padding-left: 0;
    padding-top: 66px;
  }

  .page-faq .faq-track__num {
    top: 0;
  }
}

/* 桌面：正文 + 锚点列 */
@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    align-items: start;
  }

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

/* 窄屏锚点收成胶囊 */
@media (max-width: 1039px) {
  .page-faq .faq-anchor {
    position: static;
  }

  .page-faq .faq-anchor__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-faq .faq-anchor__list li {
    min-width: 0;
  }

  .page-faq .faq-anchor__list a {
    padding: 8px 14px;
    border: 1px solid var(--faq-line);
    border-radius: var(--radius-pill);
  }

  .page-faq .faq-anchor__list .mono {
    margin-left: 6px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-head h1 {
    max-width: none;
  }

  .page-faq .faq-item summary {
    flex-direction: column;
    gap: 6px;
    padding-right: 40px;
  }

  .page-faq .faq-item__id {
    padding-top: 0;
  }
}
<<<END>>>