/* ============ 支持中心 · 页面专属样式 ============ */

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

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: 20px;
  padding-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--index-gray);
}
.page-faq .breadcrumb a {
  color: var(--index-gray);
  text-decoration: none;
  transition: color .16s ease;
}
.page-faq .breadcrumb a:hover { color: var(--gold); }
.page-faq .breadcrumb [aria-current="page"] { color: var(--text-ink); }

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  background: var(--ink-blue);
  color: var(--on-dark);
  padding: 0 0 clamp(52px, 8vw, 96px);
}

.page-faq .faq-hero__frame {
  padding: clamp(22px, 4vw, 52px);
  border-color: var(--rule-on-dark);
  background: linear-gradient(158deg, var(--ink-blue-2) 0%, var(--ink-blue) 66%);
}

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  font-size: clamp(32px, 6.2vw, 66px);
  font-weight: 300;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--on-dark);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--on-dark-dim);
}

/* ---------- 检索区 ---------- */
.page-faq .faq-search {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--rule-on-dark);
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-light);
}

.page-faq .faq-search input[type="search"] {
  display: block;
  width: 100%;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
  padding: 15px 18px;
  border: 1px solid var(--rule-on-dark);
  border-radius: 1px;
  background: rgba(247, 245, 241, .05);
  color: var(--on-dark);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color .16s ease, background-color .16s ease;
}
.page-faq .faq-search input[type="search"]:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(247, 245, 241, .085);
}
.page-faq .faq-search input[type="search"]::placeholder {
  color: var(--on-dark-faint);
}

.page-faq .faq-search__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}
.page-faq .faq-search__note a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-on-dark);
  transition: color .16s ease, border-color .16s ease;
}
.page-faq .faq-search__note a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 章节标题组 ---------- */
.page-faq .faq-head {
  max-width: 70ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}
.page-faq .faq-head__title {
  margin: 14px 0 0;
  font-size: clamp(23px, 3.5vw, 37px);
  font-weight: 400;
  letter-spacing: -.015em;
  line-height: 1.3;
  color: var(--text-ink);
}
.page-faq .faq-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--index-gray);
}

/* ---------- 01 分栏入口 ---------- */
.page-faq .faq-cats {
  background: var(--paper);
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-faq .faq-cats__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-faq .cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.page-faq .cat-list__item {
  border-bottom: 1px solid var(--rule);
}

.page-faq .cat-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num meta";
  column-gap: 14px;
  padding: 14px 12px 14px 4px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text-ink);
  transition: border-color .16s ease, background-color .16s ease, padding-left .16s ease;
}
.page-faq .cat-link:hover,
.page-faq .cat-link:focus-visible {
  border-left-color: var(--gold);
  background: rgba(201, 162, 39, .07);
  padding-left: 10px;
  outline: none;
}
.page-faq .cat-link__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
}
.page-faq .cat-link__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .01em;
  line-height: 1.5;
}
.page-faq .cat-link__meta {
  grid-area: meta;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--index-gray);
}

/* ---------- 通用图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--mist);
}
.page-faq .faq-figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--index-gray);
}

/* ---------- 02 费用 ---------- */
.page-faq .faq-fees {
  background: var(--mist);
  padding: clamp(48px, 7vw, 88px) 0;
}

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

.page-faq .qa-item__sum {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 20px;
  column-gap: 12px;
  align-items: start;
  padding: clamp(16px, 2.4vw, 24px) 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color .16s ease;
}
.page-faq .qa-item__sum::-webkit-details-marker { display: none; }
.page-faq .qa-item__sum:hover,
.page-faq .qa-item__sum:focus-visible {
  background: rgba(201, 162, 39, .08);
  outline: none;
}

.page-faq .qa-item__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--index-gray);
  transition: color .16s ease;
}
.page-faq .qa-item[open] .qa-item__num { color: var(--gold); }

.page-faq .qa-item__q {
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-ink);
}

.page-faq .qa-item__mark {
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
  margin-top: 8px;
}
.page-faq .qa-item__mark::before,
.page-faq .qa-item__mark::after {
  content: "";
  position: absolute;
  background: var(--index-gray);
  transition: transform .24s ease, background-color .16s ease;
}
.page-faq .qa-item__mark::before { left: 0; top: 6px; width: 14px; height: 1px; }
.page-faq .qa-item__mark::after { left: 6px; top: 0; width: 1px; height: 14px; }
.page-faq .qa-item[open] .qa-item__mark::before { background: var(--gold); }
.page-faq .qa-item[open] .qa-item__mark::after { transform: scaleY(0); }

.page-faq .qa-item__body {
  padding: 0 4px 22px 4px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--index-gray);
}
.page-faq .qa-item__body p {
  margin: 0 0 12px;
}
.page-faq .qa-item__body p:last-child { margin-bottom: 0; }

/* 档位对照条 */
.page-faq .tier-bar {
  display: grid;
  gap: 1px;
  margin-top: 16px;
  border: 1px solid var(--rule);
  background: var(--rule);
}
.page-faq .tier-bar__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 15px;
  background: var(--paper);
}
.page-faq .tier-bar__name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}
.page-faq .tier-bar__spec {
  font-size: 13px;
  line-height: 1.6;
  color: var(--index-gray);
}
.page-faq .tier-bar__item--flag { background: var(--ink-blue); }
.page-faq .tier-bar__item--flag .tier-bar__name { color: var(--gold-light); }
.page-faq .tier-bar__item--flag .tier-bar__spec { color: var(--on-dark-dim); }

/* ---------- 03 回访 ---------- */
.page-faq .faq-follow {
  background: var(--paper);
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-faq .follow-track {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(28px, 4vw, 46px);
  padding: 0;
  border: 1px solid var(--rule);
  background: var(--rule);
}
.page-faq .follow-track__step {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 18px 22px;
  background: var(--paper);
  border-top: 2px solid transparent;
  transition: border-color .16s ease, background-color .16s ease;
}
.page-faq .follow-track__step:hover {
  border-top-color: var(--gold);
  background: rgba(201, 162, 39, .05);
}
.page-faq .follow-track__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}
.page-faq .follow-track__name {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--text-ink);
}
.page-faq .follow-track__when {
  font-size: 13px;
  line-height: 1.7;
  color: var(--index-gray);
}

/* ---------- 04 记录与账号 ---------- */
.page-faq .faq-lists {
  background: var(--mist);
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-faq .faq-lists__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-block {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--rule);
  background: var(--paper);
  scroll-margin-top: 90px;
}
.page-faq .faq-block__title {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--text-ink);
}

.page-faq .mini-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .mini-list li {
  padding: 11px 0;
  border-bottom: 1px dashed rgba(169, 155, 122, .5);
}
.page-faq .mini-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.page-faq .mini-list__k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}
.page-faq .mini-list__v {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: var(--index-gray);
}

.page-faq .faq-block__more {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
}
.page-faq .faq-block__more a {
  color: var(--text-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color .16s ease, border-color .16s ease;
}
.page-faq .faq-block__more a:hover {
  color: var(--gold);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 05 工单 ---------- */
.page-faq .faq-workflow {
  background: var(--ink-blue);
  color: var(--on-dark);
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-faq .faq-workflow__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-faq .faq-workflow__title {
  margin: 14px 0 0;
  font-size: clamp(23px, 3.5vw, 37px);
  font-weight: 400;
  letter-spacing: -.015em;
  line-height: 1.32;
  color: var(--on-dark);
}
.page-faq .faq-workflow__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.88;
  color: var(--on-dark-dim);
}

.page-faq .step-list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-on-dark);
}
.page-faq .step-list__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule-on-dark-soft);
  font-size: 14px;
  line-height: 1.78;
  color: var(--on-dark-dim);
}
.page-faq .step-list__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-workflow__contact {
  margin-top: clamp(24px, 3.6vw, 36px);
}
.page-faq .faq-workflow__contact p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}
.page-faq .faq-workflow__contact .copy-chip {
  max-width: 100%;
  border-color: var(--rule-on-dark);
  background: transparent;
}
.page-faq .faq-workflow__alt {
  margin-top: 16px;
}
.page-faq .faq-workflow__alt a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-on-dark);
  transition: color .16s ease, border-color .16s ease;
}
.page-faq .faq-workflow__alt a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-figure--flow img {
  border-color: var(--rule-on-dark);
  background: var(--ink-blue-2);
}

/* ---------- 06 术语对照 ---------- */
.page-faq .faq-glossary {
  background: var(--paper);
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 8vw, 104px);
}

.page-faq .glossary {
  margin: 0;
  border-top: 1px solid var(--rule);
}
.page-faq .glossary__row {
  display: grid;
  gap: 6px;
  padding: 16px 6px;
  border-bottom: 1px solid var(--rule);
  transition: background-color .16s ease;
}
.page-faq .glossary__row:hover { background: rgba(201, 162, 39, .06); }

.page-faq .glossary__term {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-ink);
}
.page-faq .glossary__code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}
.page-faq .glossary__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--index-gray);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-faq .qa-item__body {
    padding-left: 56px;
    padding-right: clamp(16px, 6vw, 120px);
  }
  .page-faq .faq-search input[type="search"] {
    max-width: 560px;
  }
}

@media (min-width: 720px) {
  .page-faq .tier-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .follow-track { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 820px) {
  .page-faq .faq-lists__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
  .page-faq .faq-workflow__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 1020px) {
  .page-faq .glossary__row {
    grid-template-columns: minmax(180px, 250px) minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat-link,
  .page-faq .qa-item__num,
  .page-faq .qa-item__mark::before,
  .page-faq .qa-item__mark::after,
  .page-faq .follow-track__step,
  .page-faq .glossary__row,
  .page-faq .faq-search input[type="search"] {
    transition: none;
  }
}