/* ============================================================
   帮助知识库 · 页面专属样式（作用域：.page-faq）
   ============================================================ */

.page-faq {
  --faq-line: rgba(169, 178, 166, .38);
  --faq-line-dark: rgba(20, 24, 26, .24);
  --faq-card: #faf8f1;
  display: block;
  padding-bottom: 64px;
}

/* —— 面包屑（置于深色横幅内，改为浅色可读） —— */
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-faq .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 12px;
  color: rgba(169, 178, 166, .7);
}

.page-faq .breadcrumb__link {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 198, 122, .45);
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .breadcrumb__item span[aria-current] {
  color: var(--scan);
}

/* —— 首屏 —— */
.page-faq .faq-hero {
  position: relative;
  margin-bottom: 30px;
  padding: clamp(28px, 6vw, 46px) 0 clamp(26px, 5vw, 40px);
  background:
    radial-gradient(110% 130% at 90% 0%, rgba(51, 225, 208, .18), transparent 60%),
    radial-gradient(90% 110% at 4% 100%, rgba(185, 138, 46, .22), transparent 62%),
    linear-gradient(158deg, var(--green-deep) 0%, var(--green) 78%, #3d4c42 100%);
  border-bottom: 2px solid var(--gold);
}

.page-faq .faq-hero__plate {
  display: inline-block;
  margin: 0;
  padding: 5px 14px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--green-deep);
  background: var(--gold-lt);
  border: 2px solid var(--ink);
  border-radius: var(--radius-pill);
}

.page-faq .faq-hero__title {
  margin: 16px 0 14px;
  max-width: 22em;
  font-size: clamp(27px, 5.6vw, 44px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--paper);
  text-shadow: 2px 2px 0 rgba(185, 138, 46, .55);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.78;
  color: #d5ddd4;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--gold-lt);
  background: rgba(20, 24, 26, .42);
  border: 1px solid rgba(230, 198, 122, .38);
  border-radius: var(--radius);
}

.page-faq .faq-hero__num {
  font-size: 15px;
  font-weight: 700;
  color: var(--neon);
}

/* —— 分组胶囊导航 —— */
.page-faq .faq-jump {
  position: sticky;
  top: calc(var(--header-h) + 10px);
  z-index: 6;
  margin-bottom: 30px;
  padding: 7px;
  background: rgba(38, 49, 43, .95);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-jump__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-pill);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

.page-faq .faq-jump__link:focus-visible {
  outline: 2px solid var(--gold-lt);
  outline-offset: 2px;
}

.page-faq .faq-jump__no {
  font-size: 12px;
  color: var(--gold-lt);
}

.page-faq .faq-jump__link:hover .faq-jump__no,
.page-faq .faq-jump__link:focus-visible .faq-jump__no {
  color: var(--green-deep);
}

/* —— 分组画板 —— */
.page-faq .faq-group {
  position: relative;
  margin: 0 0 44px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-layer);
  scroll-margin-top: calc(var(--header-h) + 88px);
}

.page-faq .faq-group:target {
  box-shadow: var(--shadow-layer), 0 0 0 3px var(--neon);
}

.page-faq .faq-group__head {
  padding: 20px 20px 18px;
  background: linear-gradient(120deg, var(--green-deep) 0%, #33403a 100%);
  border-bottom: 2px solid var(--gold);
  border-radius: 4px 4px 0 0;
}

.page-faq .faq-group__no {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-lt);
  background: rgba(185, 138, 46, .16);
  border: 1px solid rgba(230, 198, 122, .45);
  border-radius: var(--radius);
}

.page-faq .faq-group__title {
  margin: 12px 0 6px;
  font-size: clamp(21px, 4vw, 29px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
  text-shadow: 1px 1px 0 rgba(20, 24, 26, .5);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.72;
  color: #c3ccc2;
}

.page-faq .faq-group__body {
  padding: 20px;
}

/* —— 分栏 —— */
.page-faq .faq-split {
  display: grid;
  gap: 20px;
}

/* —— 折叠问答 —— */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--paper-2);
  border-left: 4px solid var(--paper-dim);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 rgba(226, 220, 203, .85);
  transition: border-left-color .25s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

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

.page-faq .faq-item__q::before {
  content: "Q";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--paper);
  background: var(--green);
  border-radius: 4px;
}

.page-faq .faq-item__qtext {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__caret {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .25s ease, border-color .25s ease;
}

.page-faq .faq-item[open] .faq-item__caret {
  transform: rotate(-135deg);
  border-color: var(--neon);
}

.page-faq .faq-item__a {
  margin: 0 14px 16px;
  padding: 2px 0 0 15px;
  border-left: 3px solid var(--gold);
  font-size: 15.5px;
  line-height: 1.78;
  color: #2c342e;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

.page-faq .faq-item__a > :last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__a a {
  color: #1c6b62;
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 208, .7);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--ink);
  background: rgba(51, 225, 208, .22);
}

/* —— 编号步骤 —— */
.page-faq .faq-steps {
  margin: 14px 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 16px;
}

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

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 32px;
  bottom: 0;
  border-left: 2px dashed var(--faq-line-dark);
}

.page-faq .faq-steps__item:last-child::before {
  content: none;
}

.page-faq .faq-steps__no {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--gold);
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.page-faq .faq-steps__text {
  margin: 3px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: #2c342e;
}

/* —— 提示条 —— */
.page-faq .faq-tip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 14px 0 0;
  padding: 11px 13px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #6b3418;
  background: rgba(255, 122, 47, .1);
  border: 1px solid rgba(255, 122, 47, .48);
  border-radius: var(--radius);
}

.page-faq .faq-tip__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--alert);
  border-radius: 4px;
}

/* —— 编号样例 —— */
.page-faq .faq-code {
  display: inline-block;
  margin: 4px 0 12px;
  padding: 6px 13px;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--neon);
  background: var(--ink);
  border: 1px solid rgba(51, 225, 208, .45);
  border-radius: var(--radius);
}

/* —— 图文框 —— */
.page-faq .faq-figure {
  position: relative;
  margin: 0 0 18px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
}

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

.page-faq .faq-figure__tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--paper);
  background: rgba(20, 24, 26, .8);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
}

/* —— 联系指引 —— */
.page-faq .faq-help {
  padding: clamp(22px, 4vw, 34px);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(51, 225, 208, .16), transparent 58%),
    linear-gradient(150deg, var(--green) 0%, var(--green-deep) 100%);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  color: var(--paper);
  scroll-margin-top: calc(var(--header-h) + 88px);
}

.page-faq .faq-help__title {
  margin: 0 0 8px;
  font-size: clamp(21px, 4vw, 27px);
  font-weight: 800;
  line-height: 1.32;
  color: var(--paper);
  text-shadow: 1px 1px 0 rgba(20, 24, 26, .45);
}

.page-faq .faq-help__lead {
  margin: 0 0 22px;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.75;
  color: #cfd8cd;
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__block {
  padding: 16px 18px;
  background: rgba(20, 24, 26, .34);
  border: 1px solid rgba(169, 178, 166, .34);
  border-radius: var(--radius);
}

.page-faq .faq-help__k {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-lt);
}

.page-faq .faq-help__v {
  margin: 0;
  font-size: 16px;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__d {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #bcc5bb;
}

.page-faq .faq-help__foot {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(169, 178, 166, .38);
  font-size: 14.5px;
  line-height: 1.75;
  color: #cfd8cd;
}

.page-faq .faq-help__foot b {
  color: var(--gold-lt);
}

.page-faq .faq-help__foot a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 208, .5);
}

.page-faq .faq-help__foot a:hover,
.page-faq .faq-help__foot a:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-bottom-color: var(--neon);
}

/* —— 桌面增强 —— */
@media (min-width: 560px) {
  .page-faq .faq-item__a {
    margin-left: 49px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-jump {
    padding: 8px;
  }

  .page-faq .faq-group__head {
    padding: 24px 26px 20px;
  }

  .page-faq .faq-group__body {
    padding: 26px;
  }

  .page-faq .faq-item__q {
    padding: 15px 18px;
    font-size: 16.5px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group {
    margin-bottom: 52px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr);
    align-items: start;
    gap: 24px;
  }

  .page-faq .faq-figure--wide {
    margin-bottom: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: .001ms !important;
  }
}