.page-faq {
  --faq-side: 236px;
  --faq-line: rgba(126, 156, 139, .22);
  --faq-soft: rgba(126, 156, 139, .12);
  position: relative;
  background: var(--ink-900);
  color: var(--chalk);
  isolation: isolate;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 34px) 0 clamp(38px, 7vw, 68px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -28% -12% auto -12%;
  height: 175%;
  z-index: -1;
  pointer-events: none;
  background:
    repeating-linear-gradient(100deg, rgba(76, 224, 122, .055) 0 2px, transparent 2px 46px),
    radial-gradient(105% 68% at 82% 0%, rgba(76, 224, 122, .18), transparent 62%),
    radial-gradient(78% 62% at 4% 92%, rgba(180, 70, 44, .18), transparent 68%);
}

.page-faq .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 13px;
  color: var(--moss);
}

.page-faq .faq-hero__title {
  margin: clamp(10px, 2vw, 18px) 0 0;
  max-width: 17ch;
  line-height: .98;
  letter-spacing: -.03em;
}

.page-faq .faq-hero__lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.85;
  color: rgba(242, 246, 243, .8);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

/* ---------- 14 天周期要点（浅色呼吸区） ---------- */
.page-faq .faq-cycle {
  position: relative;
  overflow: hidden;
  background: var(--mist);
  color: var(--ink-900);
  border-radius: var(--r-l) var(--r-l) 0 0;
  padding: clamp(30px, 6vw, 66px) 0 clamp(34px, 6vw, 72px);
}

.page-faq .faq-cycle::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -34%;
  width: min(420px, 58vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 162, 78, .3), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-cycle .kicker {
  color: var(--danza);
}

.page-faq .faq-cycle__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  position: relative;
  z-index: 1;
}

.page-faq .faq-cycle__title {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.4vw, 36px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--ink-900);
}

.page-faq .faq-cycle__text > p {
  margin: 14px 0 0;
  max-width: 46ch;
  line-height: 1.85;
  color: rgba(11, 36, 25, .78);
}

.page-faq .faq-cycle__list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-cycle__list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.75;
  color: rgba(11, 36, 25, .84);
}

.page-faq .faq-cycle__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 3px;
  height: 15px;
  border-radius: 2px;
  background: var(--sand);
}

.page-faq .faq-cycle__fig {
  margin: 0;
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: 0 22px 56px rgba(11, 36, 25, .24);
}

.page-faq .faq-cycle__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  position: relative;
  padding: clamp(38px, 7vw, 82px) 0 clamp(46px, 8vw, 96px);
}

.page-faq .faq-body::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 420px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(72% 100% at 18% 0%, rgba(20, 58, 40, .95), transparent 72%);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 50px);
}

/* 问题索引（移动端为横向滚动标签） */
.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  background: rgba(20, 58, 40, .6);
  padding: 16px 14px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: rgba(242, 246, 243, .8);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.4;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(76, 224, 122, .12);
  border-color: rgba(76, 224, 122, .5);
  color: var(--white);
}

.page-faq .faq-index__list .num {
  color: var(--sand);
  font-size: 11.5px;
}

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

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5.5vw, 60px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--neon);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.3;
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  margin-top: 6px;
}

.page-faq .accordion__item {
  border-bottom: 1px solid var(--hair-soft);
}

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

.page-faq .accordion__trigger {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 18px 4px 18px 18px;
  background: none;
  border: 0;
  color: inherit;
  font-family: inherit;
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-faq .accordion__trigger::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 2px;
  background: rgba(126, 156, 139, .3);
  transition: background var(--dur) var(--ease);
}

.page-faq .accordion__trigger[aria-expanded="true"]::before {
  background: var(--sand);
}

.page-faq .accordion__trigger::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-num);
  font-size: 19px;
  line-height: 1;
  color: var(--neon);
}

.page-faq .accordion__trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-faq .accordion__trigger:hover {
  color: var(--white);
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 8px;
}

.page-faq .accordion__panel {
  padding: 0 4px 20px 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 246, 243, .78);
}

.page-faq .accordion__panel[hidden] {
  display: none;
}

.page-faq .accordion__panel p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-conclusion {
  display: block;
  margin-bottom: 8px;
  padding: 5px 12px;
  border-radius: 8px;
  background: rgba(76, 224, 122, .16);
  border-left: 3px solid var(--neon);
  color: var(--white);
  font-weight: 600;
  line-height: 1.65;
}

/* ---------- 问答配图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 14px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: rgba(20, 58, 40, .5);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 还需要帮助 ---------- */
.page-faq .faq-help__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 246, 243, .78);
}

.page-faq .faq-help__links {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-help__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  background: rgba(20, 58, 40, .55);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-help__link:hover,
.page-faq .faq-help__link:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(76, 224, 122, .6);
  background: rgba(20, 58, 40, .92);
}

.page-faq .faq-help__link-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-help__link-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--moss);
}

.page-faq .faq-help__contact {
  margin-top: 22px;
  padding: 20px;
  border-radius: var(--r-m);
  background: var(--dash);
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__contact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 246, 243, .74);
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(126, 156, 139, .18);
}

.page-faq .faq-help__label {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-help__value {
  font-family: var(--font-num);
  font-size: 14.5px;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-help__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-cycle__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 108px;
    padding: 20px 18px 22px;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__list li {
    flex: 0 1 auto;
  }

  .page-faq .faq-index__list a {
    display: flex;
    border: 0;
    border-radius: 10px;
    padding: 9px 10px;
    white-space: normal;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-cycle {
    border-radius: var(--r-l);
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-help__link,
  .page-faq .accordion__trigger,
  .page-faq .faq-index__list a {
    transition: none;
  }

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