.page-faq {
  --faq-line: rgba(14, 16, 22, 0.14);
  --faq-line-dark: rgba(220, 227, 236, 0.18);
  --faq-muted: #3d4657;
  --faq-muted-soft: #5d6678;
  background: var(--ink);
  color: var(--slate);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 36px) 0 clamp(48px, 8vw, 88px);
  background:
    radial-gradient(80% 62% at 88% 0%, rgba(122, 92, 255, 0.32), transparent 62%),
    radial-gradient(74% 62% at 0% 96%, rgba(47, 243, 224, 0.16), transparent 62%),
    var(--ink);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 42%, rgba(255, 60, 172, 0.5) 68%, transparent 92%);
}

.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(220, 227, 236, 0.62);
}

.page-faq .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-faq .breadcrumb a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(18px, 4vw, 36px);
  margin-top: clamp(22px, 5vw, 44px);
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  font-size: clamp(28px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: #ffffff;
}

.page-faq .faq-hero__title-em {
  display: inline-block;
  color: var(--cyan);
  transform: translateY(-0.04em);
  text-shadow: 3px 3px 0 rgba(255, 60, 172, 0.55);
}

.page-faq .faq-hero .lede {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: rgba(220, 227, 236, 0.86);
}

.page-faq .faq-hero__mark {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 2px;
  line-height: 0.78;
  user-select: none;
  pointer-events: none;
}

.page-faq .faq-hero__glyph {
  font-family: var(--font-mono);
  font-size: clamp(76px, 17vw, 168px);
  font-weight: 700;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(47, 243, 224, 0.72);
}

.page-faq .faq-hero__glyph--alt {
  font-size: clamp(56px, 12vw, 120px);
  -webkit-text-stroke: 2px rgba(255, 60, 172, 0.68);
  transform: translateY(0.1em);
}

/* ---------- 首屏速答卡 ---------- */
.page-faq .faq-quick {
  display: grid;
  gap: 12px;
  margin: clamp(26px, 5vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick__item {
  position: relative;
  padding: 18px 18px 20px;
  background: linear-gradient(158deg, rgba(220, 227, 236, 0.08), rgba(220, 227, 236, 0.02));
  border: 1px solid var(--faq-line-dark);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-left-color 0.24s ease, background 0.24s ease;
}

.page-faq .faq-quick__item:hover {
  border-left-color: var(--magenta);
  background: linear-gradient(158deg, rgba(47, 243, 224, 0.13), rgba(122, 92, 255, 0.07));
}

.page-faq .faq-quick__idx {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-quick__q {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.5;
  color: #ffffff;
}

.page-faq .faq-quick__a {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(220, 227, 236, 0.82);
}

/* ---------- 阅读区 ---------- */
.page-faq .faq-main {
  background: var(--slate);
  color: var(--ink);
  padding: clamp(34px, 7vw, 70px) 0 clamp(52px, 9vw, 92px);
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-shell {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--head-h) + 24px);
  padding-bottom: clamp(26px, 5vw, 44px);
  margin-bottom: clamp(26px, 5vw, 44px);
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: baseline;
  margin-bottom: 10px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-group__note {
  max-width: 64ch;
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--faq-muted);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  background: var(--ink-soft);
}

.page-faq .faq-cap {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--faq-muted-soft);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  background: #ffffff;
  border: 1px solid var(--faq-line);
  border-left: 3px solid #b9c2d0;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: border-left-color 0.22s ease, background 0.22s ease;
}

.page-faq .qa:hover {
  border-left-color: var(--violet);
}

.page-faq .qa[open] {
  border-left-color: var(--magenta);
  background: #fffdf8;
}

.page-faq .qa__head {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-faq .qa__q {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .qa__head::after {
  content: "+";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--ink);
  background: rgba(14, 16, 22, 0.07);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .qa[open] .qa__head::after {
  content: "−";
  background: var(--ink);
  color: var(--cyan);
}

.page-faq .qa__body {
  padding: 0 18px 20px 39px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #2c3342;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa__points {
  display: grid;
  gap: 8px;
  margin: 10px 0 12px;
  padding: 0;
  list-style: none;
}

.page-faq .qa__points li {
  position: relative;
  padding-left: 18px;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--faq-muted);
}

.page-faq .qa__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--magenta);
  transform: rotate(45deg);
}

.page-faq .qa__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
}

.page-faq .qa-tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: rgba(47, 243, 224, 0.3);
  border: 1px solid rgba(14, 16, 22, 0.14);
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}

.page-faq .qa-tag--violet {
  background: rgba(122, 92, 255, 0.22);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-contact__card {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ember);
}

.page-faq .faq-contact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.6vw, 17px);
  line-height: 1.45;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(14, 16, 22, 0.28);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-contact__value:hover {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

.page-faq .faq-contact__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-contact__addr {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--faq-muted-soft);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-next__card {
  display: block;
  padding: 20px 20px 22px;
  text-decoration: none;
  color: var(--slate);
  background: linear-gradient(152deg, var(--ink-soft), var(--ink-deep));
  border: 1px solid rgba(47, 243, 224, 0.26);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-next__card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-next__eyebrow {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-next__title {
  display: block;
  margin-bottom: 8px;
  font-size: 16.5px;
  line-height: 1.5;
  color: #ffffff;
}

.page-faq .faq-next__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(220, 227, 236, 0.8);
}

.page-faq .faq-next__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-faq .faq-next__card:hover .faq-next__go {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-next__tail {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-next__tail a {
  color: var(--ink);
  border-bottom: 1px solid var(--ember);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .faq-next__tail a:hover {
  color: var(--ember);
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-rail {
  position: relative;
  padding: 16px 14px 18px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faq-muted-soft);
}

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

.page-faq .faq-rail__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 8px 8px 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-left-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail__link .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ember);
}

.page-faq .faq-rail__link:hover {
  border-left-color: var(--magenta);
  background: rgba(255, 60, 172, 0.1);
}

.page-faq .faq-rail__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--faq-muted-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-faq .qa__body {
    padding-left: 44px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .qa {
    margin-bottom: 12px;
  }

  .page-faq .qa__head {
    padding: 17px 50px 17px 18px;
  }

  .page-faq .qa__q {
    font-size: 15.5px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
  }

  .page-faq .faq-hero__mark {
    padding-bottom: 8px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) 236px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--head-h) + 18px);
  }
}

@media (max-width: 380px) {
  .page-faq .faq-hero__glyph {
    -webkit-text-stroke-width: 1.5px;
  }

  .page-faq .qa__q {
    font-size: 14.5px;
  }
}
<<<END>>>