.page-faq {
  --faq-hair: rgba(53, 242, 214, .16);
  --faq-soft: rgba(53, 242, 214, .07);
  --faq-warm: rgba(255, 154, 60, .10);
  position: relative;
  overflow-x: hidden;
  color: var(--mist);
  background:
    radial-gradient(900px 520px at 80% -4%, rgba(53, 242, 214, .10), transparent 62%),
    radial-gradient(680px 440px at 4% 26%, rgba(255, 154, 60, .07), transparent 66%),
    var(--ink-900);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 68px 68px;
}

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

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(16px, 2.6vw, 28px);
}

.page-faq .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(234, 242, 248, .58);
}

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

.page-faq .crumb__link:hover,
.page-faq .crumb__link:focus-visible {
  text-decoration: underline;
}

.page-faq .crumb__sep {
  color: rgba(234, 242, 248, .32);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(34px, 5.6vw, 70px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding-left: 11px;
  border-left: 2px solid var(--cyan);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-faq .faq-kicker .mono {
  color: var(--cyan);
  letter-spacing: .1em;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 74px);
  line-height: 1.04;
  letter-spacing: -.022em;
  color: var(--mist);
  max-width: 16ch;
}

.page-faq .faq-hero__lead {
  max-width: 56ch;
  margin: 0 0 26px;
  font-size: clamp(16px, 1.45vw, 18px);
  line-height: 1.85;
  color: rgba(234, 242, 248, .82);
}

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

/* ---------- 首屏位置排查面板 ---------- */
.page-faq .faq-triage {
  padding: 24px 22px 22px;
  border-radius: var(--r-lg);
  border: var(--line);
  background: linear-gradient(168deg, rgba(53, 242, 214, .11), rgba(14, 42, 71, .88) 62%);
}

.page-faq .faq-triage .plate__label {
  color: var(--sand);
  letter-spacing: .14em;
}

.page-faq .faq-triage .plate__title {
  margin: 6px 0 4px;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--mist);
}

.page-faq .faq-triage__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .faq-triage__list li + li a {
  border-top: 1px dashed rgba(53, 242, 214, .2);
}

.page-faq .faq-triage__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 2px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
}

.page-faq .faq-triage__list a::after {
  content: "→";
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-faq .faq-triage__list a:hover,
.page-faq .faq-triage__list a:focus-visible {
  color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-faq .sec-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .sec-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -.016em;
  color: var(--mist);
  max-width: 22ch;
}

.page-faq .faq-sub {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .7);
}

/* ---------- 01 三步走 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-faq .faq-step {
  padding: 24px 22px 26px;
  border-radius: var(--r-lg);
  background: rgba(14, 42, 71, .66);
  border-top: 2px solid rgba(53, 242, 214, .34);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-faq .faq-step__title {
  margin: 16px 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--mist);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .74);
}

/* ---------- 02 预约 ---------- */
.page-faq .faq-fields {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-field {
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan);
  background: rgba(234, 242, 248, .045);
}

.page-faq .faq-field dt {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-field dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(234, 242, 248, .72);
}

.page-faq .faq-duration {
  margin-top: 20px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(255, 154, 60, .42);
  background: var(--faq-warm);
}

.page-faq .faq-duration__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: .01em;
  color: var(--amber);
}

.page-faq .faq-duration p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .78);
}

.page-faq .faq-book__figure {
  margin: 28px 0 0;
}

.page-faq .figure__img img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-faq .figure__cap {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 242, 248, .58);
}

/* ---------- 03 价格区间 ---------- */
.page-faq .faq-tiers {
  display: grid;
  gap: 16px;
}

.page-faq .faq-tier {
  padding: 26px 24px 28px;
  border-radius: var(--r-lg);
  background: rgba(14, 42, 71, .74);
}

.page-faq .faq-tier--eco {
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-tier--std {
  border-left: 3px solid var(--amber);
}

.page-faq .faq-tier__name {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-tier--std .faq-tier__name {
  color: var(--amber);
}

.page-faq .faq-tier h3 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.42;
  color: var(--mist);
}

.page-faq .faq-tier p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .74);
}

.page-faq .faq-tier__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-tier__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(234, 242, 248, .8);
}

.page-faq .faq-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-tier--std .faq-tier__list li::before {
  background: var(--amber);
}

.page-faq .faq-verdict {
  margin: 22px 0 0;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--sand);
  background: rgba(201, 183, 154, .07);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .8);
}

/* ---------- 04 联系记录 ---------- */
.page-faq .faq-record__grid .plate {
  padding: 22px 20px 24px;
  border-radius: var(--r-md);
  background: rgba(14, 42, 71, .58);
}

.page-faq .faq-record__grid .plate__label {
  color: var(--sand);
  letter-spacing: .14em;
}

.page-faq .faq-record__grid .plate__title {
  margin: 8px 0 10px;
  font-size: 18px;
  line-height: 1.45;
  color: var(--mist);
}

.page-faq .faq-record__grid .plate__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(234, 242, 248, .72);
}

.page-faq .faq-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid rgba(53, 242, 214, .28);
  background: linear-gradient(90deg, rgba(53, 242, 214, .13), rgba(53, 242, 214, .02));
}

.page-faq .faq-tip__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 05 上门前准备 ---------- */
.page-faq .faq-prep__grid {
  display: grid;
  gap: 24px;
}

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

.page-faq .faq-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px 20px;
  border-radius: var(--r-md);
  background: rgba(14, 42, 71, .6);
}

.page-faq .faq-prep__icon {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-prep__item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--mist);
}

.page-faq .faq-prep__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(234, 242, 248, .72);
}

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

/* ---------- 06 复检与反馈 ---------- */
.page-faq .faq-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 28px;
  display: grid;
  gap: 22px;
}

.page-faq .faq-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 242, 214, .08));
}

.page-faq .faq-timeline__item {
  position: relative;
}

.page-faq .faq-timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
}

.page-faq .faq-timeline__when {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-timeline__what {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .76);
}

.page-faq .faq-recheck__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 07 常见疑问 ---------- */
.page-faq .faq-qa__wrap {
  max-width: 880px;
}

.page-faq .faq-qa__list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-qa__item {
  border-radius: var(--r-md);
  background: rgba(14, 42, 71, .62);
  overflow: hidden;
}

.page-faq .faq-qa__item:nth-child(even) {
  background: rgba(14, 42, 71, .34);
}

.page-faq .fold__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: var(--mist);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  text-align: left;
  cursor: pointer;
}

.page-faq .fold__head:hover,
.page-faq .fold__head:focus-visible {
  color: var(--cyan);
}

.page-faq .fold__head[aria-expanded="true"] {
  color: var(--cyan);
}

.page-faq .fold__sign {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.3;
  color: var(--cyan);
}

.page-faq .fold__body {
  padding: 0 20px 20px;
  background: rgba(53, 242, 214, .04);
}

.page-faq .fold__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.88;
  color: rgba(234, 242, 248, .76);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-end__box {
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(53, 242, 214, .11), rgba(14, 42, 71, .86) 58%);
}

.page-faq .faq-end__box h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-faq .faq-end__box p {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(234, 242, 248, .78);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 780px) {
  .page-faq .faq-tiers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-prep__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-hero__title {
    max-width: 15ch;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-step,
  .page-faq .faq-tier {
    padding: 20px 18px 22px;
  }

  .page-faq .faq-field {
    padding: 18px;
  }

  .page-faq .faq-tip {
    padding: 16px;
  }

  .page-faq .fold__head {
    padding: 16px;
    font-size: 15.5px;
  }

  .page-faq .fold__body {
    padding: 0 16px 18px;
  }
}
<<<END>>>