.page-faq {
  --step-num-w: clamp(40px, 7vw, 84px);
  --rule: 1px solid rgba(20, 20, 20, 0.14);
  --rule-soft: 1px solid rgba(20, 20, 20, 0.07);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .tut-hero {
  padding: 24px 0 42px;
  border-bottom: var(--rule);
  background:
    linear-gradient(180deg, rgba(15, 27, 46, 0.05), rgba(15, 27, 46, 0) 64%),
    var(--paper);
}

.page-faq .tut-hero__grid {
  display: grid;
  gap: 26px;
}

.page-faq .tut-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 6vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}

.page-faq .tut-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .tut-hero__card {
  position: relative;
  padding: 18px 18px 8px;
  border: var(--rule);
  background: var(--paper);
}

.page-faq .tut-hero__card::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(201, 162, 39, 0.45);
  pointer-events: none;
}

.page-faq .tut-facts {
  margin: 12px 0 0;
}

.page-faq .tut-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dotted rgba(20, 20, 20, 0.2);
}

.page-faq .tut-facts__row:last-child {
  border-bottom: 0;
}

.page-faq .tut-facts dt {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .tut-facts dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  text-align: right;
  color: var(--ink);
}

.page-faq .tut-facts dd .num {
  font-size: 20px;
  line-height: 1;
  color: var(--orange-deep);
}

@media (min-width: 900px) {
  .page-faq .tut-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
    gap: 52px;
    align-items: end;
  }
}

/* ---------- 章节通用 ---------- */
.page-faq .tut-sec {
  padding: 46px 0 6px;
  border-top: var(--rule-soft);
}

.page-faq .tut-sec--band {
  margin: 40px 0 0;
  padding: 44px 0 40px;
  border-top: var(--rule);
  border-bottom: var(--rule);
  background: var(--paper-2);
}

.page-faq .tut-sec--band + .tut-sec {
  border-top: 0;
}

.page-faq .tut-lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 01 前置三件事 ---------- */
.page-faq .prep {
  margin-top: 24px;
  border-top: var(--rule);
}

.page-faq .prep__item {
  display: grid;
  gap: 8px;
  padding: 22px 0 24px;
  border-bottom: var(--rule);
}

.page-faq .prep__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .prep__item p {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

@media (min-width: 760px) {
  .page-faq .prep__item {
    grid-template-columns: 140px minmax(0, 1fr);
    grid-template-areas:
      "label title"
      "label text";
    gap: 6px 34px;
    align-items: start;
  }
  .page-faq .prep__item .index-label {
    grid-area: label;
  }
  .page-faq .prep__item h3 {
    grid-area: title;
  }
  .page-faq .prep__item p {
    grid-area: text;
  }
}

/* ---------- 02 分步流程 ---------- */
.page-faq .steps {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-faq .step {
  display: grid;
  grid-template-columns: var(--step-num-w) minmax(0, 1fr);
  gap: 18px;
  padding: 26px 0 22px;
  border-top: var(--rule);
}

.page-faq .step__num {
  display: block;
  font-size: clamp(22px, 4.4vw, 46px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--celadon);
}

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

.page-faq .step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .step__body > p {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .step__body a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .step__body a:hover {
  color: var(--ink);
}

.page-faq .step__figure {
  margin: 16px 0 0;
  max-width: 560px;
}

.page-faq .trap {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--paper-2);
}

.page-faq .trap summary {
  display: flex;
  align-items: baseline;
  gap: 6px;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
  list-style: none;
}

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

.page-faq .trap summary::before {
  content: "+";
  display: inline-block;
  width: 1em;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange-deep);
}

.page-faq .trap[open] summary::before {
  content: "−";
}

.page-faq .trap[open] {
  border-left-color: var(--celadon-pale);
}

.page-faq .trap p {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-faq .step {
    gap: 30px;
    padding: 30px 0 26px;
  }
}

/* ---------- 03 改约两档 ---------- */
.page-faq .resched {
  margin-top: 24px;
  display: grid;
  border: var(--rule);
  background: var(--paper);
}

.page-faq .resched__col {
  padding: 22px 20px 24px;
  border-bottom: var(--rule);
}

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

.page-faq .resched__col--fee {
  background: var(--orange-sand);
}

.page-faq .resched__col--free {
  border-left: 3px solid var(--celadon-pale);
}

.page-faq .resched__big {
  margin: 12px 0 4px;
  font-size: clamp(2.4rem, 8vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange-deep);
}

.page-faq .resched__unit {
  font-family: var(--font-mono);
  font-size: 0.5em;
  vertical-align: 0.42em;
  margin-left: 2px;
}

.page-faq .resched__free {
  margin: 12px 0 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 5.4vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--celadon);
}

.page-faq .resched__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .resched__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-faq .resched__list li {
  position: relative;
  padding-left: 15px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .resched__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--stone);
}

.page-faq .resched__note {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .resched__figure {
  margin: 26px 0 0;
  max-width: 440px;
}

@media (min-width: 720px) {
  .page-faq .resched {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .resched__col {
    border-bottom: 0;
    border-right: var(--rule);
    padding: 26px 26px 28px;
  }
  .page-faq .resched__col:last-child {
    border-right: 0;
  }
}

/* ---------- 04 加急算式 ---------- */
.page-faq .rush {
  position: relative;
  margin-top: 24px;
  padding: 22px 20px 24px;
  border: var(--rule);
  background: var(--paper);
}

.page-faq .rush__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .rush__switch {
  display: inline-flex;
  border: var(--rule);
}

.page-faq .rush__opt {
  display: inline-block;
  padding: 9px 13px;
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--paper);
  border-right: var(--rule);
  cursor: pointer;
  white-space: nowrap;
}

.page-faq .rush__opt:last-child {
  border-right: 0;
}

.page-faq .rush__radio:focus-visible ~ .rush__switch {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-faq #rushDay:checked ~ .rush__switch .rush__opt--day,
.page-faq #rushNight:checked ~ .rush__switch .rush__opt--night {
  background: var(--indigo);
  color: var(--paper);
}

.page-faq .rush__formula {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .rush__sym {
  font-family: var(--font-mono);
  font-size: 1.1em;
  color: var(--stone);
}

.page-faq .rush__val {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 7vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-faq .rush__val--night {
  display: none;
}

.page-faq #rushNight:checked ~ .rush__formula .rush__val--night {
  display: inline-block;
}

.page-faq #rushNight:checked ~ .rush__formula .rush__val--day {
  display: none;
}

.page-faq .rush__note {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

@media (min-width: 620px) {
  .page-faq .rush__opt {
    padding: 10px 18px;
    font-size: 13px;
  }
}

/* ---------- 05 常见问答 ---------- */
.page-faq .faq {
  margin-top: 26px;
  border-top: var(--rule);
}

.page-faq .faq__item {
  position: relative;
  border-bottom: var(--rule);
}

.page-faq .faq__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--celadon);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 260ms var(--ease);
}

.page-faq .faq__item:has(.faq__radio:checked)::before {
  transform: scaleY(1);
}

.page-faq .faq__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .faq__q {
  display: block;
  position: relative;
  padding: 16px 44px 16px 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--ink);
  cursor: pointer;
}

.page-faq .faq__q::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--stone);
  transform: translateY(-50%);
}

.page-faq .faq__q::before {
  content: "";
  position: absolute;
  right: 13.5px;
  top: 50%;
  width: 1px;
  height: 12px;
  background: var(--stone);
  transform: translateY(-50%);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.page-faq .faq__radio:checked ~ .faq__q::before {
  transform: translateY(-50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq__radio:focus-visible ~ .faq__q {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .faq__a {
  display: none;
  padding: 0 24px 20px 16px;
}

.page-faq .faq__radio:checked ~ .faq__a {
  display: block;
}

.page-faq .faq__a p {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq__a a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq__a a:hover {
  color: var(--ink);
}

/* ---------- 06 提问模板 ---------- */
.page-faq .ask {
  margin-top: 26px;
  display: grid;
  gap: 26px;
}

.page-faq .ask__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule);
}

.page-faq .ask__list li {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: var(--rule);
}

.page-faq .ask__k {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-faq .ask__v {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .ask__channels {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px 20px 24px;
  border: var(--rule);
  background: var(--indigo);
  color: var(--paper);
}

.page-faq .ask__channels p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .ask__contact {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--orange-sand);
  word-break: break-all;
}

.page-faq .ask__channels .btn {
  justify-self: start;
  margin-top: 4px;
}

@media (min-width: 560px) {
  .page-faq .ask__list li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-faq .ask {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq__item::before,
  .page-faq .faq__q::before {
    transition: none;
  }
}
<<<END>>>