.page-faq {
  --faq-pad: clamp(3rem, 8vw, 6.5rem);
  --faq-ink-soft: #35505C;
  --faq-hair: rgba(53, 242, 208, 0.16);
  background: var(--abyss);
}

.page-faq .section {
  position: relative;
  padding-block: var(--faq-pad);
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

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

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

/* ---------- 首屏 ---------- */

.page-faq .faq-open {
  padding-top: calc(var(--cmdbar-h) + clamp(2rem, 6vw, 4rem));
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(16, 85, 107, 0.55) 0%, rgba(4, 20, 31, 0) 62%),
    var(--abyss);
}

.page-faq .faq-open__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 1rem;
}

.page-faq .faq-title {
  margin: 0 0 1.25rem;
  font-size: clamp(28px, 7.4vw, 56px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
}

.page-faq .faq-jump {
  align-self: start;
  padding: 1.25rem;
  border: 1px solid var(--faq-hair);
  background: rgba(10, 42, 60, 0.55);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-faq .faq-jump__title {
  margin: 0 0 0.9rem;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.95rem;
  font-size: 14px;
  line-height: 1.4;
  color: var(--cyan-soft);
  text-decoration: none;
  border: 1px solid rgba(53, 242, 208, 0.28);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: rgba(53, 242, 208, 0.14);
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-jump__link--coral {
  color: var(--coral-soft);
  border-color: rgba(255, 107, 74, 0.45);
}

.page-faq .faq-jump__link--coral:hover,
.page-faq .faq-jump__link--coral:focus-visible {
  background: rgba(255, 107, 74, 0.16);
  border-color: var(--coral);
  color: var(--coral);
}

/* ---------- 三步起步 ---------- */

.page-faq .faq-start {
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-start__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
}

.page-faq .faq-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 2.25rem;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 0.6rem;
  top: 0.9rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--teal), rgba(16, 85, 107, 0.08));
}

.page-faq .faq-step {
  position: relative;
  padding-bottom: 2rem;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--teal);
  box-sizing: border-box;
}

.page-faq .faq-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
  margin-bottom: 0.45rem;
}

.page-faq .faq-step__title {
  margin: 0 0 0.5rem;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-step__text {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-step__split {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.page-faq .faq-step__split .faq-step__text {
  flex: 1 1 14rem;
}

.page-faq .faq-ring {
  position: relative;
  flex: none;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--coral) 0 64%, rgba(11, 27, 36, 0.1) 64% 100%);
  transition: transform 0.4s var(--ease);
}

.page-faq .faq-ring::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--paper);
}

.page-faq .faq-ring__value {
  position: relative;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-ring:hover,
.page-faq .faq-ring:focus-visible {
  transform: scale(1.05);
}

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

.page-faq .faq-start__figure .figure__img,
.page-faq .faq-start__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

.page-faq .faq-start__figure .figure__cap {
  margin-top: 0.75rem;
  font-size: 13px;
  line-height: 1.7;
  color: #5A7480;
}

/* ---------- 费用三档 ---------- */

.page-faq .faq-pricing {
  background:
    radial-gradient(100% 70% at 12% 8%, rgba(43, 42, 107, 0.45) 0%, rgba(4, 20, 31, 0) 60%),
    var(--abyss);
}

.page-faq .faq-pricing__figure {
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .faq-pricing__figure .figure__img,
.page-faq .faq-pricing__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-pricing__figure .figure__cap {
  margin-top: 0.75rem;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-plans {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 78%;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-plan {
  scroll-snap-align: start;
  position: relative;
  padding: 1.5rem 1.35rem 1.6rem;
  border: 1px solid rgba(53, 242, 208, 0.22);
  background: linear-gradient(160deg, rgba(16, 85, 107, 0.55) 0%, rgba(4, 20, 31, 0.94) 78%);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .faq-plan--b {
  border-color: rgba(159, 243, 226, 0.24);
  background: linear-gradient(160deg, rgba(43, 42, 107, 0.7) 0%, rgba(4, 20, 31, 0.94) 78%);
}

.page-faq .faq-plan--c {
  border-color: rgba(255, 107, 74, 0.3);
  background: linear-gradient(160deg, rgba(122, 31, 61, 0.72) 0%, rgba(4, 20, 31, 0.94) 78%);
}

.page-faq .faq-plan__tag {
  display: inline-block;
  margin: 0 0 0.85rem;
  padding: 0.2rem 0.55rem;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid rgba(53, 242, 208, 0.35);
}

.page-faq .faq-plan--c .faq-plan__tag {
  color: var(--coral-soft);
  border-color: rgba(255, 107, 74, 0.5);
}

.page-faq .faq-plan__title {
  margin: 0 0 0.65rem;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-plan__desc {
  margin: 0 0 1.1rem;
  font-size: 15px;
  line-height: 1.8;
  color: #B9CDD6;
}

.page-faq .faq-plan__list {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--faq-hair);
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-plan__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-faq .faq-plan--c .faq-plan__list li::before {
  background: var(--coral);
}

.page-faq .faq-pricing__foot {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
  max-width: 62ch;
}

.page-faq .faq-pricing__foot a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.4);
}

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

/* ---------- 问答 ---------- */

.page-faq .faq-answers {
  background:
    radial-gradient(90% 60% at 82% 10%, rgba(43, 42, 107, 0.55) 0%, rgba(4, 20, 31, 0) 65%),
    var(--abyss);
}

.page-faq .faq-groups {
  display: grid;
  gap: clamp(2.25rem, 5vw, 3.25rem);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 0.75rem;
  padding-bottom: 0.75rem;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group__idx {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: none;
  font-size: 12px;
  color: var(--abyss);
  background: var(--cyan);
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}

.page-faq .faq-q {
  position: relative;
  border-bottom: 1px solid rgba(53, 242, 208, 0.12);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-q[open] {
  background: rgba(53, 242, 208, 0.05);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-q__head {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr) 16px;
  align-items: center;
  gap: 0.5rem 0.85rem;
  min-height: 56px;
  padding: 0.95rem 0.75rem 0.95rem 0.75rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-q__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color 0.3s var(--ease);
}

.page-faq .faq-q[open] .faq-q__num {
  color: var(--cyan);
}

.page-faq .faq-q__text {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-q__mark {
  position: relative;
  width: 16px;
  height: 16px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .faq-q__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__body {
  padding: 0 1rem 1.35rem 4.6rem;
}

.page-faq .faq-q__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: #B9CDD6;
}

/* ---------- 联系 ---------- */

.page-faq .faq-contact {
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-contact__board {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
  border-bottom: 1px solid rgba(11, 27, 36, 0.12);
}

.page-faq .faq-contact__tag {
  display: inline-block;
  margin: 0 0 0.85rem;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.page-faq .faq-contact__title {
  margin: 0 0 0.9rem;
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
  max-width: 22ch;
}

.page-faq .faq-contact__text {
  margin: 0 0 1rem;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact__text a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 85, 107, 0.4);
}

.page-faq .faq-contact__text a:hover,
.page-faq .faq-contact__text a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-faq .faq-contact__hours {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: #5A7480;
}

.page-faq .faq-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.35rem 0.75rem;
  padding: 1rem 1.1rem;
  background: #FFFFFF;
  border: 1px solid rgba(11, 27, 36, 0.1);
  border-left: 3px solid var(--teal);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-faq .faq-channel__key {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #5A7480;
}

.page-faq .faq-channel__val {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

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

.page-faq .faq-channel__copy {
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.85rem;
  font-size: 13px;
  color: var(--ink);
  background: rgba(53, 242, 208, 0.22);
  border: 1px solid rgba(16, 85, 107, 0.28);
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .faq-channel__copy:hover,
.page-faq .faq-channel__copy:focus-visible {
  background: rgba(53, 242, 208, 0.45);
  color: var(--teal);
}

.page-faq .faq-contact__tips {
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  display: grid;
  gap: 1rem;
}

.page-faq .faq-contact__tipstitle {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-tiplist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  max-width: 66ch;
}

.page-faq .faq-tiplist li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-tiplist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--coral);
  transform: rotate(45deg);
}

.page-faq .faq-contact__legal {
  margin: 0.5rem 0 0;
  max-width: 68ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: #5A7480;
}

.page-faq .faq-contact__legal a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 85, 107, 0.35);
}

.page-faq .faq-contact__legal a:hover,
.page-faq .faq-contact__legal a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-plans {
    grid-auto-columns: 46%;
  }

  .page-faq .faq-contact__board {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-open__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-start__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-plans {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-q__body {
    padding-left: 4.7rem;
  }

  .page-faq .faq-contact__tips {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    column-gap: 2rem;
  }

  .page-faq .faq-contact__tips .faq-tiplist {
    grid-column: 2;
  }

  .page-faq .faq-contact__tips .faq-contact__legal {
    grid-column: 2;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-open__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-q,
  .page-faq .faq-q__num,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .faq-ring,
  .page-faq .faq-channel__copy {
    transition: none;
  }

  .page-faq .faq-ring:hover,
  .page-faq .faq-ring:focus-visible {
    transform: none;
  }
}