.page-faq {
  --faq-gap: clamp(22px, 4.5vw, 52px);
  --faq-pad: clamp(40px, 7vw, 86px);
  --faq-line: rgba(90, 107, 120, .28);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(34px, 6vw, 74px) clamp(40px, 6vw, 70px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -30%;
  width: 46%;
  height: 130%;
  background: linear-gradient(160deg, rgba(255, 106, 43, .16), rgba(39, 211, 192, .08));
  transform: skewX(-16deg);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-hero .breadcrumb__item {
  font-size: 13px;
  color: rgba(247, 250, 252, .68);
}

.page-faq .faq-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(247, 250, 252, .38);
}

.page-faq .faq-hero .breadcrumb__item a {
  color: rgba(247, 250, 252, .82);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 250, 252, .3);
}

.page-faq .faq-hero .breadcrumb__item a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__text h1 {
  margin: 12px 0 18px;
  color: var(--snow);
  max-width: 15ch;
  line-height: 1.04;
}

.page-faq .faq-hero .lede {
  color: rgba(247, 250, 252, .84);
  max-width: 56ch;
  margin: 0;
}

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

.page-faq .faq-hero__media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 命令栏风格搜索 */
.page-faq .faq-search {
  margin-top: clamp(24px, 4vw, 38px);
  padding-left: 16px;
  border-left: 3px solid var(--sun);
}

.page-faq .faq-search__label {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}

.page-faq .faq-search__input {
  width: 100%;
  max-width: 460px;
  padding: 13px 16px;
  border: 1px solid rgba(247, 250, 252, .26);
  border-radius: 0;
  background: rgba(247, 250, 252, .07);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 14px;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(247, 250, 252, .5);
}

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

.page-faq .faq-search__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 250, 252, .62);
  max-width: 52ch;
}

/* 分组索引条 */
.page-faq .faq-index {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: clamp(28px, 4.5vw, 46px) 0 0;
  padding: 0;
}

.page-faq .faq-index a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  font-size: 14px;
  font-weight: 700;
  color: rgba(247, 250, 252, .9);
  background: rgba(6, 47, 74, .5);
  border: 1px solid rgba(247, 250, 252, .18);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(255, 106, 43, .9);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-index a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-faq .faq-index .mono {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  opacity: .72;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding-block: var(--faq-pad);
}

.page-faq .faq-group--alt {
  background:
    linear-gradient(180deg, rgba(11, 93, 140, .05), rgba(11, 93, 140, 0) 42%),
    var(--snow);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 16px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group__num {
  position: relative;
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--sun);
  padding-right: 18px;
}

.page-faq .faq-group__num::after {
  content: "";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 9px;
  height: 2px;
  background: var(--ink);
  transform: translateY(-50%) rotate(-45deg);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  color: var(--ink);
  grid-column: 2 / -1;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.1;
}

.page-faq .faq-group__note {
  grid-column: 2 / -1;
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .faq-item__toggle {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 4px 20px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s var(--ease);
}

.page-faq .faq-item__toggle:hover {
  color: var(--lake);
}

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

.page-faq .faq-item__text {
  max-width: 62ch;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 6px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--sun);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-item__toggle[aria-expanded="true"] .faq-item__sign::after {
  transform: rotate(90deg);
}

.page-faq .faq-item__body {
  margin: 0 0 6px;
  padding: 2px 0 20px 18px;
  border-left: 3px solid var(--sun);
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: #2c3640;
}

.page-faq .faq-item__body a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 93, 140, .4);
}

.page-faq .faq-item__body a:hover {
  color: var(--sun);
  border-bottom-color: var(--sun);
}

/* ---------- 客服渠道 ---------- */
.page-faq .faq-help {
  position: relative;
  padding-block: var(--faq-pad);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(39, 211, 192, .12), rgba(6, 47, 74, 0) 58%),
    var(--deep);
}

.page-faq .faq-help__intro {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4.5vw, 48px);
}

.page-faq .faq-help__intro h2 {
  margin: 12px 0 16px;
  color: var(--snow);
}

.page-faq .faq-help__lede {
  color: rgba(247, 250, 252, .8);
  margin: 0;
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-channel {
  background: rgba(247, 250, 252, .06);
  border: 1px solid rgba(247, 250, 252, .16);
  border-bottom: 3px solid var(--sun);
  padding: 24px 22px;
}

.page-faq .faq-channel .cut-card__label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-faq .faq-channel__title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
}

.page-faq .faq-channel__value {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--neon);
  word-break: break-word;
}

.page-faq .faq-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 250, 252, .68);
}

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

.page-faq .faq-help__media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-help__tips {
  padding: 24px 22px;
  background: rgba(11, 93, 140, .38);
  border-left: 3px solid var(--amber);
}

.page-faq .faq-help__tips-title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 700;
  color: var(--snow);
}

.page-faq .faq-help__tips-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-help__tips-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 250, 252, .84);
  border-bottom: 1px dashed rgba(247, 250, 252, .16);
}

.page-faq .faq-help__tips-list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-help__tips-list .mono {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--amber);
  padding-top: 3px;
}

.page-faq .faq-help__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 250, 252, .68);
}

.page-faq .faq-help__more a {
  color: var(--snow);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 250, 252, .38);
}

.page-faq .faq-help__more a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-group__head {
    grid-template-columns: auto 1fr auto;
    align-items: end;
  }

  .page-faq .faq-group__head h2 {
    grid-column: 2 / 3;
  }

  .page-faq .faq-group__note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.45fr 1fr;
    gap: clamp(32px, 5vw, 64px);
  }

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

  .page-faq .faq-help__intro {
    max-width: 68ch;
  }

  .page-faq .faq-item__toggle {
    padding: 24px 4px 24px 0;
  }

  .page-faq .faq-item__body {
    padding-bottom: 26px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-help__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-help__media {
    grid-column: span 2;
  }

  .page-faq .faq-help__tips {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-index a {
    width: 100%;
  }

  .page-faq .faq-item__toggle {
    gap: 12px;
  }
}