.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-line: rgba(27, 58, 107, 0.14);
  --faq-line-soft: rgba(255, 255, 255, 0.18);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px) 0 clamp(48px, 7vw, 96px);
  background:
    linear-gradient(148deg, var(--blue-deep) 0%, var(--blue) 54%, #26609E 100%);
  color: var(--white);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: 54%;
  height: 118%;
  background: var(--red);
  opacity: 0.22;
  transform: skewX(-16deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -30%;
  width: 70%;
  height: 62%;
  background: radial-gradient(circle at 30% 70%, rgba(199, 244, 100, 0.16), transparent 66%);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb__link,
.page-faq .faq-hero .breadcrumb__item {
  color: rgba(255, 255, 255, 0.72);
}

.page-faq .faq-hero .breadcrumb__link:hover {
  color: var(--lime);
}

.page-faq .faq-hero .eyebrow {
  color: var(--lime);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: end;
  margin-top: clamp(28px, 5vw, 52px);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 首屏目录 ---------- */
.page-faq .faq-quicknav {
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  background: var(--glass-white);
  backdrop-filter: blur(12px);
}

.page-faq .faq-quicknav__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border-radius: var(--r-md);
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  transition: background 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-faq .faq-quicknav__item:hover,
.page-faq .faq-quicknav__item:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  transform: translateX(4px);
  outline: none;
}

.page-faq .faq-quicknav__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.06em;
}

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

.page-faq .faq-quicknav__arrow {
  color: var(--lime);
  font-size: 14px;
  opacity: 0.75;
}

/* ---------- 两步重登 ---------- */
.page-faq .faq-steps-layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 20px;
  padding: 22px 24px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: var(--white);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-step.is-current {
  border-left: 5px solid var(--lime);
}

.page-faq .faq-step__no {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}

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

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--blue);
}

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

.page-faq .faq-step__tag {
  display: inline-block;
  margin: 14px 0 0;
  color: var(--blue-deep);
}

.page-faq .faq-steps__figure {
  margin: 0;
}

.page-faq .faq-steps__caption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 电脑端优先 ---------- */
.page-faq .faq-compare {
  display: grid;
  gap: 8px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-compare__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px 20px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  background: var(--glass-blue);
  backdrop-filter: blur(10px);
}

.page-faq .faq-compare__label {
  font-weight: 700;
  font-size: 17px;
  color: var(--white);
}

.page-faq .faq-compare__pips {
  display: inline-flex;
  gap: 6px;
}

.page-faq .faq-compare__pips i {
  display: block;
  width: 30px;
  height: 10px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.18);
}

.page-faq .faq-compare__pips i.is-on {
  background: var(--lime);
}

.page-faq .faq-compare__pips i.is-alt {
  background: var(--red);
}

.page-faq .faq-compare__value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-fit {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-fit__card {
  padding: 24px;
  border-radius: var(--r-md);
}

.page-faq .faq-fit__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-fit__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}

/* ---------- 问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-nav {
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: var(--white);
}

.page-faq .faq-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--blue);
  font-size: 15px;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  background: var(--mist);
  color: var(--red);
  outline: none;
}

.page-faq .faq-nav__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel);
}

.page-faq .faq-groups {
  display: grid;
  gap: clamp(24px, 3.5vw, 38px);
  min-width: 0;
}

.page-faq .faq-group__title {
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--red);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--blue);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
  font-size: 16px;
}

/* ---------- 反馈提交 ---------- */
.page-faq .faq-feedback-layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

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

.page-faq .faq-feedback__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-feedback__item:first-child {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-feedback__no {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
}

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

.page-faq .faq-feedback__figure {
  margin: 0;
}

.page-faq .faq-feedback__caption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-feedback__more {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  font-size: 16px;
  color: var(--ink);
}

.page-faq .faq-inline-link {
  color: var(--red);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover {
  color: var(--red-deep);
}

/* ---------- 图解索引 ---------- */
.page-faq .faq-index {
  display: grid;
  gap: 10px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: baseline;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  background: var(--glass-white);
  backdrop-filter: blur(8px);
}

.page-faq .faq-index__name {
  font-size: 16px;
  color: var(--white);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-index__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-cta {
  margin-top: clamp(30px, 4.5vw, 52px);
  padding: clamp(24px, 3.5vw, 36px);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  background: var(--glass-blue);
  backdrop-filter: blur(10px);
}

.page-faq .faq-cta__text {
  max-width: 52ch;
  margin: 0 0 20px;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.7;
  color: var(--white);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-compare__row {
    grid-template-columns: minmax(0, 0.9fr) auto minmax(0, 1.4fr);
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.95fr);
  }

  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1.55fr);
    align-items: start;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: calc(var(--nav-h) + 20px);
  }

  .page-faq .faq-feedback-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-faq .faq-step {
    padding: 18px 18px;
  }

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

  .page-faq .faq-index__unit {
    grid-column: 1 / -1;
  }
}

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

  .page-faq .faq-quicknav__item:hover,
  .page-faq .faq-quicknav__item:focus-visible {
    transform: none;
  }
}
<<<END>>>