.page-faq {
  --faq-hair: rgba(169, 188, 201, 0.28);
  --faq-glass: rgba(255, 255, 255, 0.06);
  --faq-tint: rgba(23, 82, 127, 0.07);
}

/* ---------- 01 深色开场 ---------- */
.page-faq .faq-open {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: 76px;
}

.page-faq .faq-open::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 242, 200, 0.16) 0%, rgba(56, 242, 200, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-open::after {
  content: "";
  position: absolute;
  left: -160px;
  bottom: -200px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 61, 0.16) 0%, rgba(255, 106, 61, 0) 70%);
  pointer-events: none;
}

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

.page-faq .faq-open__mark {
  margin: 26px 0 18px;
}

.page-faq .faq-title {
  margin: 0 0 22px;
  max-width: 20ch;
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--paper-100);
  text-transform: none;
}

.page-faq .faq-open__lede {
  max-width: 56ch;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--mist-300);
}

/* ---------- 快速三件事 ---------- */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 44px;
}

.page-faq .faq-quick__item {
  position: relative;
  padding: 58px 22px 26px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: var(--faq-glass);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-quick__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-quick__item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 48px;
  height: 3px;
  background: var(--mint-400);
}

.page-faq .faq-quick__item:nth-child(2)::before {
  background: var(--coral-500);
}

.page-faq .faq-quick__item:nth-child(3)::before {
  background: var(--amber-500);
}

.page-faq .faq-quick__no {
  position: absolute;
  left: 22px;
  top: 22px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--mist-300);
}

.page-faq .faq-quick__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-faq .faq-quick__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist-300);
}

/* ---------- 通用小标题 ---------- */
.page-faq .faq-h2 {
  margin: 14px 0 18px;
  max-width: 24ch;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--ink-900);
  transform: skewX(-8deg);
  transform-origin: left bottom;
}

.page-faq .faq-h2--on-dark {
  color: var(--paper-100);
}

.page-faq .faq-lede {
  max-width: 58ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-faq .faq-lede--on-dark {
  color: var(--mist-300);
}

/* ---------- 02 四步引导 ---------- */
.page-faq .faq-steps {
  padding-top: 88px;
  padding-bottom: 88px;
}

.page-faq .faq-steps__head {
  margin-bottom: 48px;
}

.page-faq .faq-steps__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-faq .faq-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
}

.page-faq .faq-ladder__step {
  position: relative;
  padding-left: 66px;
  padding-bottom: 14px;
}

.page-faq .faq-ladder__step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 56px;
  bottom: -4px;
  width: 2px;
  background: linear-gradient(var(--coral-200), rgba(230, 220, 203, 0));
}

.page-faq .faq-ladder__step:last-child::before {
  display: none;
}

.page-faq .faq-ladder__no {
  position: absolute;
  left: 0;
  top: 2px;
  width: 56px;
  font-family: var(--font-data);
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--coral-500);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-ladder__panel {
  border-left: 3px solid var(--paper-300);
  padding: 6px 0 10px 18px;
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-ladder__panel[open] {
  border-left-color: var(--coral-500);
}

.page-faq .faq-ladder__summary {
  cursor: pointer;
  list-style: none;
  padding: 6px 0;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

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

.page-faq .faq-ladder__summary::after {
  content: "＋";
  float: right;
  margin-left: 12px;
  font-weight: 400;
  color: var(--coral-500);
}

.page-faq .faq-ladder__panel[open] .faq-ladder__summary::after {
  content: "－";
}

.page-faq .faq-ladder__body {
  padding: 2px 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-600);
}

.page-faq .faq-do {
  margin: 0 0 14px;
  padding: 13px 16px;
  border: 1px solid rgba(255, 106, 61, 0.22);
  border-radius: 10px;
  background: rgba(255, 106, 61, 0.07);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-faq .faq-do strong {
  font-weight: 700;
}

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

.page-faq .faq-signs li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-faq .faq-signs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 2px;
  background: var(--blue-500);
}

.page-faq .faq-steps__aside {
  display: grid;
  gap: 18px;
}

.page-faq .faq-steps__aside .media-frame {
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-steps__note {
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--mint-400);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-600);
}

/* ---------- 中段快捷入口带 ---------- */
.page-faq .faq-jump__band {
  background: linear-gradient(104deg, var(--blue-900) 0%, var(--blue-700) 52%, var(--blue-900) 100%);
  padding: 40px 0;
}

.page-faq .faq-jump__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-jump__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
  border: 1px solid rgba(56, 242, 200, 0.32);
  border-radius: var(--radius);
  background: rgba(56, 242, 200, 0.05);
  text-decoration: none;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  transform: translateY(-4px);
  background: rgba(56, 242, 200, 0.1);
  box-shadow: var(--shadow-mint);
}

.page-faq .faq-jump__label {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--mint-400);
}

.page-faq .faq-jump__title {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-100);
}

/* ---------- 03 手机端专项 ---------- */
.page-faq .faq-mobile {
  padding-top: 88px;
  padding-bottom: 88px;
}

.page-faq .faq-mobile__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-mobile__list {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-mobile__list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-600);
}

.page-faq .faq-mobile__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--blue-700);
  color: var(--mint-400);
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .faq-mobile__media .media-frame {
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}

/* ---------- 04 常见问题手风琴 ---------- */
.page-faq .faq-faqs {
  padding-top: 88px;
  padding-bottom: 92px;
  background-image: radial-gradient(90% 80% at 100% 0%, var(--faq-tint), transparent 62%);
  background-repeat: no-repeat;
}

.page-faq .faq-faqs__head {
  margin-bottom: 34px;
}

.page-faq .faq-acc {
  display: grid;
  gap: 12px;
}

.page-faq .faq-acc__item {
  border: 1px solid var(--paper-300);
  border-left-width: 4px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.62);
  padding: 2px 20px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-acc__item[open] {
  border-left-color: var(--coral-500);
  background: rgba(255, 255, 255, 0.86);
}

.page-faq .faq-acc__q {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
}

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

.page-faq .faq-acc__q::after {
  content: "＋";
  float: right;
  margin-left: 14px;
  font-weight: 400;
  color: var(--coral-500);
}

.page-faq .faq-acc__item[open] .faq-acc__q::after {
  content: "－";
}

.page-faq .faq-acc__body {
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-faq .faq-acc__body p {
  margin: 0;
}

/* ---------- 05 人工协助 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  padding-top: 88px;
  padding-bottom: 84px;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  top: -140px;
  left: 30%;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 242, 200, 0.12) 0%, rgba(56, 242, 200, 0) 70%);
  pointer-events: none;
}

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

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-faq .faq-help__cases {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__cases li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-faq .faq-help__cases li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 2px;
  background: var(--coral-500);
}

.page-faq .faq-help__panel {
  padding: 28px 24px 26px;
  border-radius: var(--radius);
}

.page-faq .faq-help__label {
  margin: 0 0 4px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--mint-400);
}

.page-faq .faq-help__value {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__value--plain {
  font-family: var(--font-body);
  font-weight: 600;
}

.page-faq .faq-help__hint {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-hair);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-faq .faq-help__tail {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-tail__link {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper-100);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 200, 0.5);
  padding-bottom: 3px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-tail__link:hover,
.page-faq .faq-tail__link:focus-visible {
  color: var(--mint-400);
  border-bottom-color: var(--mint-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick {
    grid-template-columns: 1.15fr 1fr 0.85fr;
    gap: 18px;
  }

  .page-faq .faq-jump__row {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-jump__band {
    padding: 48px 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps__body {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-faq .faq-mobile__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
  }

  .page-faq .faq-ladder__step {
    padding-left: 82px;
  }

  .page-faq .faq-ladder__no {
    width: 66px;
  }

  .page-faq .faq-ladder__step::before {
    left: 26px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-open {
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 60px;
  }

  .page-faq .faq-steps,
  .page-faq .faq-mobile,
  .page-faq .faq-faqs,
  .page-faq .faq-help {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .page-faq .faq-quick__item {
    padding: 52px 18px 22px;
  }

  .page-faq .faq-ladder__step {
    padding-left: 54px;
  }

  .page-faq .faq-ladder__no {
    width: 46px;
  }

  .page-faq .faq-ladder__step::before {
    left: 17px;
  }

  .page-faq .faq-ladder__panel {
    padding-left: 14px;
  }

  .page-faq .faq-acc__item {
    padding: 2px 16px;
  }

  .page-faq .faq-help__panel {
    padding: 24px 18px 22px;
  }
}