.page-faq {
  --faq-pad: clamp(16px, 4vw, 40px);
  --faq-accent: var(--phoenix);
  background: var(--ink-navy);
  color: var(--fog);
}

/* ---------- 首屏：章节预览 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 8vw, 104px) 0 clamp(40px, 5.5vw, 72px);
  background:
    radial-gradient(115% 88% at 88% -12%, rgba(255, 90, 31, .34), transparent 62%),
    radial-gradient(80% 70% at 4% 108%, rgba(14, 59, 58, .85), transparent 68%),
    linear-gradient(158deg, #12233C 0%, #0A111F 58%, #070E18 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 74%;
  height: 260px;
  background: linear-gradient(100deg, rgba(255, 90, 31, .28), rgba(255, 201, 87, .06) 55%, transparent 78%);
  transform: rotate(var(--tilt));
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .fw-breadcrumb {
  color: var(--fog-50);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .fw-breadcrumb__link {
  color: var(--fog-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .fw-breadcrumb__link:hover,
.page-faq .fw-breadcrumb__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .fw-eyebrow {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--fog);
  max-width: 20ch;
}

.page-faq .faq-hero__title span {
  display: inline-block;
  transform: skewX(-5deg);
}

.page-faq .faq-hero__lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.8;
  color: var(--fog-70);
}

.page-faq .faq-hero__preview {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-faq .faq-preview {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 17px;
  text-decoration: none;
  color: var(--fog);
  background: rgba(17, 30, 53, .86);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-preview:hover,
.page-faq .faq-preview:focus-visible {
  transform: translateY(-4px) skewX(-1.5deg);
  border-color: var(--phoenix);
  background: rgba(255, 90, 31, .14);
  box-shadow: var(--shadow-hot);
  outline: none;
}

.page-faq .faq-preview__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .1em;
}

.page-faq .faq-preview__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.35;
}

.page-faq .faq-preview__desc {
  font-size: 13px;
  line-height: 1.62;
  color: var(--fog-50);
}

/* ---------- 正文双栏 ---------- */
.page-faq .faq-body {
  background:
    linear-gradient(180deg, #0A111F 0%, #0B1526 46%, #0A111F 100%);
  color: var(--fog);
  padding: clamp(40px, 5.5vw, 80px) 0 clamp(56px, 7vw, 100px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-cats {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: rgba(17, 30, 53, .6);
}

.page-faq .faq-cats__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--fog-50);
}

.page-faq .faq-cats__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(10, 17, 31, .55);
  color: var(--fog-70);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-cat__idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--gold);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--phoenix);
  background: rgba(255, 90, 31, .16);
  color: var(--fog);
  transform: translateX(3px);
  outline: none;
}

.page-faq .faq-cats__hint {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fog-50);
}

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

.page-faq .faq-group {
  --accent: var(--phoenix);
  margin-bottom: clamp(38px, 5vw, 64px);
  scroll-margin-top: 118px;
}

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

.page-faq .faq-group#group-rank { --accent: var(--neon); }
.page-faq .faq-group#group-h2h { --accent: var(--gold); }
.page-faq .faq-group#group-video { --accent: var(--phoenix); }
.page-faq .faq-group#group-version { --accent: var(--gold); }
.page-faq .faq-group#group-switch { --accent: var(--neon); }

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

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .06em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.28;
  color: var(--fog);
}

.page-faq .faq-group__lead {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog-50);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(17, 30, 53, .72);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 90, 31, .5);
  background: rgba(20, 34, 58, .95);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.62;
  color: var(--fog);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--accent);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:hover {
  color: var(--gold);
}

.page-faq .faq-item__tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-navy);
  background: var(--accent);
  border-radius: var(--radius-pill);
  padding: 3px 7px;
  margin-top: 2px;
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--fog-70);
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-key {
  border-left: 3px solid var(--gold);
  padding-left: 13px;
  color: var(--fog-90);
}

.page-faq .faq-inline-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 201, 87, .45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--phoenix);
  border-bottom-color: var(--phoenix);
  outline: none;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 16px 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 13px;
  align-items: start;
}

.page-faq .faq-steps__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--neon);
  color: var(--ink-navy);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  margin-top: 2px;
}

.page-faq .faq-steps__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--fog-70);
}

/* ---------- 三步轨道 ---------- */
.page-faq .faq-track {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 4px;
  padding: 12px 14px;
  border: 1px dashed rgba(200, 255, 61, .34);
  border-radius: var(--radius-pill);
  background: rgba(14, 59, 58, .45);
  overflow: hidden;
}

.page-faq .faq-track__node {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--neon);
}

.page-faq .faq-track__line {
  flex: 1 1 20px;
  min-width: 14px;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 255, 61, .75), rgba(200, 255, 61, .18));
  position: relative;
}

.page-faq .faq-track__line::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid rgba(200, 255, 61, .9);
  border-right: 1px solid rgba(200, 255, 61, .9);
  transform: rotate(45deg);
}

/* ---------- 排序方法配图 ---------- */
.page-faq .faq-rank {
  display: grid;
  gap: 20px;
}

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

.page-faq .faq-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(255, 90, 31, .28), rgba(14, 59, 58, .7) 72%);
}

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

.page-faq .faq-media__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--fog-50);
  border-top: 1px solid var(--line);
}

.page-faq .faq-rank__media {
  align-self: start;
}

/* ---------- 联系协助 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(26px, 3.6vw, 40px);
  display: grid;
  gap: 20px;
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid rgba(200, 255, 61, .26);
  border-radius: var(--radius-l);
  background:
    radial-gradient(90% 120% at 92% 0%, rgba(255, 90, 31, .22), transparent 62%),
    linear-gradient(150deg, var(--emerald) 0%, #10202F 82%);
}

.page-faq .faq-contact__media {
  border-color: rgba(200, 255, 61, .2);
}

.page-faq .faq-contact__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.32;
  color: var(--fog);
}

.page-faq .faq-contact__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-70);
}

.page-faq .faq-contact__rows {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(244, 239, 230, .12);
}

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

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--neon);
}

.page-faq .faq-contact__value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fog-90);
  word-break: break-word;
}

.page-faq .faq-contact__btn {
  display: inline-block;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-preview {
    grid-column: span 6;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
  }

  .page-faq .faq-cats {
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-cats__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 7px;
  }

  .page-faq .faq-cat {
    justify-content: flex-start;
    white-space: normal;
  }

  .page-faq .faq-rank {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 26px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-preview {
    grid-column: span 4;
  }

  .page-faq .faq-preview:nth-child(1) { grid-column: span 5; }
  .page-faq .faq-preview:nth-child(2) { grid-column: span 4; }
  .page-faq .faq-preview:nth-child(3) { grid-column: span 3; }
  .page-faq .faq-preview:nth-child(4) { grid-column: span 3; }
  .page-faq .faq-preview:nth-child(5) { grid-column: span 5; }
  .page-faq .faq-preview:nth-child(6) { grid-column: span 4; }

  .page-faq .faq-hero__title {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-preview,
  .page-faq .faq-cat,
  .page-faq .faq-item,
  .page-faq .faq-inline-link,
  .page-faq .fw-breadcrumb__link {
    transition: none;
  }

  .page-faq .faq-preview:hover,
  .page-faq .faq-preview:focus-visible,
  .page-faq .faq-cat:hover,
  .page-faq .faq-cat:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>