.page-faq {
  --faq-answer-w: 60ch;
  position: relative;
  overflow-x: clip;
  background: var(--fg-ink);
  color: var(--fg-snow);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 40px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(120% 90% at 86% 0%, rgba(22, 224, 232, .16), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 106, 24, .1), transparent 60%),
    var(--fg-ink);
  border-bottom: 1px solid var(--fg-line);
}

.page-faq .faq-hero__slice {
  position: absolute;
  left: 32%;
  right: -14%;
  bottom: -42%;
  height: 68%;
  background: linear-gradient(114deg, rgba(22, 224, 232, .13), rgba(255, 106, 24, .07) 55%, transparent 78%);
  transform: rotate(-7deg);
  transform-origin: left bottom;
  pointer-events: none;
}

.page-faq .fg-breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.03em;
  color: var(--fg-ice);
  text-wrap: balance;
}

.page-faq .faq-hero__intro .fg-lead {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 46ch;
  color: var(--fg-snow);
  opacity: .82;
}

.page-faq .fg-eyebrow {
  color: var(--fg-amber);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(18px, 3vw, 36px);
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
}

.page-faq .faq-stat {
  min-width: 108px;
  padding-left: 14px;
  border-left: 2px solid var(--fg-line-cyan);
}

.page-faq .faq-stat dt {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--fg-stone);
  margin-bottom: 6px;
}

.page-faq .faq-stat dd {
  margin: 0;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  font-weight: 700;
  color: var(--fg-ice);
}

.page-faq .faq-stat dd.fg-num {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  color: var(--fg-cyan);
  letter-spacing: .02em;
}

/* ---------- 索引面板 ---------- */
.page-faq .faq-index {
  position: relative;
  border: 1px solid var(--fg-line);
  border-radius: var(--fg-r-lg);
  background: linear-gradient(158deg, rgba(18, 48, 71, .82), rgba(6, 12, 26, .92));
  box-shadow: var(--fg-shadow);
  padding: clamp(18px, 3vw, 30px);
}

.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--fg-line);
}

.page-faq .faq-index__count {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--fg-orange);
  line-height: 1;
  letter-spacing: .02em;
}

.page-faq .faq-index__headtext {
  flex: 1 1 12ch;
  min-width: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-stone);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 15px 10px;
  border-bottom: 1px solid var(--fg-line);
  color: var(--fg-ice);
  text-decoration: none;
  border-radius: var(--fg-r-md);
  transition: background var(--fg-dur) var(--fg-ease), color var(--fg-dur) var(--fg-ease);
}

.page-faq .faq-index__list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-index__no {
  font-size: 13px;
  color: var(--fg-stone);
  letter-spacing: .1em;
}

.page-faq .faq-index__name {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 700;
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}

.page-faq .faq-index__meta {
  font-size: 12px;
  color: var(--fg-amber);
  border: 1px solid var(--fg-amber-soft);
  background: var(--fg-amber-soft);
  border-radius: var(--fg-r-pill);
  padding: 4px 10px;
  white-space: nowrap;
}

.page-faq .faq-index__list a:hover {
  background: var(--fg-cyan-soft);
  color: var(--fg-cyan);
}

.page-faq .faq-index__list a:hover .faq-index__no {
  color: var(--fg-cyan);
}

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

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  position: relative;
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--fg-line);
  scroll-margin-top: 120px;
}

.page-faq .faq-section--tint {
  background: var(--fg-night);
}

.page-faq .faq-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-section__head {
  position: relative;
  padding-top: 18px;
}

.page-faq .faq-section__head::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--fg-orange), var(--fg-cyan));
  border-radius: var(--fg-r-pill);
}

.page-faq .faq-section__head .fg-title {
  margin: 8px 0 0;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -.03em;
  color: var(--fg-ice);
}

.page-faq .faq-section__note {
  margin-top: 14px;
  max-width: 34ch;
  color: var(--fg-stone);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 问答组 ---------- */
.page-faq .fg-disclosure {
  display: grid;
  gap: 10px;
}

.page-faq .faq-q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .fg-disclosure__item {
  position: relative;
  padding-left: 20px;
  border: 1px solid var(--fg-line);
  border-radius: var(--fg-r-md);
  background: linear-gradient(180deg, rgba(18, 48, 71, .5), rgba(6, 12, 26, .5));
  transition: border-color var(--fg-dur) var(--fg-ease), background var(--fg-dur) var(--fg-ease);
}

.page-faq .fg-disclosure__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: var(--fg-r-md) 0 0 var(--fg-r-md);
  background: var(--fg-stone);
  opacity: .45;
  transition: background var(--fg-dur) var(--fg-ease), opacity var(--fg-dur) var(--fg-ease);
}

.page-faq .fg-disclosure__item:hover {
  border-color: var(--fg-line-cyan);
}

.page-faq .fg-disclosure__item.is-open {
  border-color: var(--fg-line-cyan);
  background: linear-gradient(180deg, rgba(18, 48, 71, .78), rgba(6, 12, 26, .6));
}

.page-faq .fg-disclosure__item.is-open::before {
  background: var(--fg-orange);
  opacity: 1;
}

.page-faq .fg-disclosure__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  margin: 0;
  padding: 17px 18px 17px 4px;
  border: 0;
  background: transparent;
  color: var(--fg-ice);
  font-family: var(--fg-sans);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color var(--fg-dur) var(--fg-ease);
}

.page-faq .fg-disclosure__trigger:hover {
  color: var(--fg-cyan);
}

.page-faq .fg-disclosure__trigger:focus-visible {
  outline: 2px solid var(--fg-cyan);
  outline-offset: -2px;
  border-radius: var(--fg-r-md);
}

.page-faq .fg-disclosure__sign {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--fg-line-cyan);
  border-radius: var(--fg-r-pill);
  color: var(--fg-cyan);
  font-family: var(--fg-mono);
  font-size: 16px;
  line-height: 1;
  transition: background var(--fg-dur) var(--fg-ease), color var(--fg-dur) var(--fg-ease), border-color var(--fg-dur) var(--fg-ease);
}

.page-faq .faq-sign--minus {
  display: none;
}

.page-faq .fg-disclosure__item.is-open .fg-disclosure__sign {
  background: var(--fg-orange);
  border-color: var(--fg-orange);
  color: #08111F;
}

.page-faq .fg-disclosure__item.is-open .faq-sign--plus {
  display: none;
}

.page-faq .fg-disclosure__item.is-open .faq-sign--minus {
  display: inline;
}

.page-faq .fg-disclosure__panel {
  padding: 0 22px 20px 4px;
}

.page-faq .fg-disclosure__panel p {
  max-width: var(--faq-answer-w);
  margin: 0;
  color: var(--fg-snow);
  opacity: .84;
  font-size: 16px;
  line-height: 1.78;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 38px) 0 0;
  border: 1px solid var(--fg-line);
  border-radius: var(--fg-r-lg);
  overflow: hidden;
  background: var(--fg-panel);
}

.page-faq .faq-figure .fg-media__img,
.page-faq .faq-contact__media .fg-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-faq .fg-media__caption {
  display: block;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-stone);
  border-top: 1px solid var(--fg-line);
}

/* ---------- 联系块 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--fg-orange-soft);
  border-radius: var(--fg-r-lg);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(255, 106, 24, .14), transparent 62%),
    var(--fg-panel);
}

.page-faq .faq-contact__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fg-orange);
}

.page-faq .faq-contact__line {
  margin: 0 0 8px;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  color: var(--fg-ice);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__line .fg-num {
  color: var(--fg-ice);
  letter-spacing: .02em;
}

.page-faq .faq-contact__note {
  margin: 14px 0 20px;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-stone);
}

.page-faq .faq-contact__media {
  margin: 0;
  border: 1px solid var(--fg-line);
  border-radius: var(--fg-r-lg);
  overflow: hidden;
  background: var(--fg-ink);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next__title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -.03em;
  color: var(--fg-ice);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-next__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no desc";
  gap: 4px 16px;
  padding: 18px 20px;
  border: 1px solid var(--fg-line);
  border-radius: var(--fg-r-md);
  color: var(--fg-ice);
  text-decoration: none;
  transition: border-color var(--fg-dur) var(--fg-ease), background var(--fg-dur) var(--fg-ease), transform var(--fg-dur) var(--fg-ease);
}

.page-faq .faq-next__list a:hover {
  border-color: var(--fg-line-cyan);
  background: var(--fg-cyan-soft);
  transform: translateX(4px);
}

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

.page-faq .faq-next__no {
  grid-area: no;
  align-self: start;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--fg-cyan);
}

.page-faq .faq-next__name {
  grid-area: name;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  font-weight: 700;
}

.page-faq .faq-next__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next__list a {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "no"
      "name"
      "desc";
    gap: 8px;
  }

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

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-section__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-section__head {
    position: sticky;
    top: 128px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__stats {
    gap: 12px 16px;
  }

  .page-faq .faq-stat {
    min-width: 92px;
  }

  .page-faq .fg-disclosure__trigger {
    padding-right: 12px;
  }
}