/* =========================================================
   数据问题排查 / page-faq
   ========================================================= */

.page-faq {
  --faq-card: linear-gradient(180deg, rgba(14, 22, 34, 0.94), rgba(9, 14, 21, 0.94));
  --faq-cut: 3px;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-faq .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 页首 ---------- */
.page-faq .faq-hero {
  max-width: 900px;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero .page-head__title {
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-faq .faq-hero .page-head__lede {
  max-width: 60ch;
  margin-top: 16px;
}

/* ---------- 首屏与章节配图 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  background:
    radial-gradient(120% 150% at 10% -10%, rgba(20, 224, 216, 0.16), transparent 58%),
    var(--panel);
}

.page-faq .faq-figure--inner {
  margin-top: clamp(22px, 3.4vw, 34px);
}

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

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(112deg, rgba(238, 243, 251, 0.035) 0 1px, transparent 1px 10px);
}

.page-faq .faq-figure__caption,
.page-faq .media-frame__caption {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

/* ---------- 问题类型分段栏 ---------- */
.page-faq .faq-seg-wrap {
  margin-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--wire);
  border-bottom: 1px solid var(--wire);
  background:
    linear-gradient(90deg, rgba(20, 224, 216, 0.05), transparent 62%),
    rgba(7, 10, 17, 0.94);
}

.page-faq .faq-seg {
  display: flex;
  gap: 10px;
  padding: 14px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .seg-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 15px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--silver);
  text-decoration: none;
  background: rgba(14, 22, 34, 0.9);
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-faq .seg-chip:hover,
.page-faq .seg-chip:focus-visible {
  color: var(--white);
  border-color: var(--cyan-deep);
  background: rgba(11, 126, 136, 0.22);
  outline: none;
}

.page-faq .seg-chip:focus-visible {
  box-shadow: 0 0 0 2px rgba(20, 224, 216, 0.45);
}

.page-faq .seg-chip__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

@media (min-width: 1024px) {
  .page-faq .faq-seg-wrap {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(10px);
  }
}

/* ---------- 章节 ---------- */
.page-faq .qa-block {
  margin-top: clamp(46px, 7vw, 80px);
  scroll-margin-top: 96px;
}

.page-faq .section-num {
  font-family: var(--font-mono);
  color: rgba(238, 243, 251, 0.12);
  transition: color var(--t-base);
}

.page-faq .section.is-active .section-num {
  color: rgba(238, 243, 251, 0.94);
}

.page-faq .section__title-wrap .annotation {
  display: block;
  margin-top: 6px;
}

.page-faq .qa-block__lede {
  max-width: 64ch;
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .qa-block__lede a,
.page-faq .step-list a,
.page-faq .exclude-note__tail a,
.page-faq .contact-strip__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 224, 216, 0.35);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-faq .qa-block__lede a:hover,
.page-faq .step-list a:hover,
.page-faq .exclude-note__tail a:hover,
.page-faq .contact-strip__lead a:hover,
.page-faq .qa-block__lede a:focus-visible,
.page-faq .step-list a:focus-visible,
.page-faq .exclude-note__tail a:focus-visible,
.page-faq .contact-strip__lead a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 82ch;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .qa-item {
  border: 1px solid var(--wire);
  border-left: 2px solid var(--wire);
  border-radius: var(--faq-cut);
  background: var(--faq-card);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-faq .qa-item[open] {
  border-left-color: var(--cyan);
  background:
    linear-gradient(180deg, rgba(11, 126, 136, 0.17), rgba(9, 14, 21, 0.94) 44%);
}

.page-faq .qa-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

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

.page-faq .qa-summary::marker {
  content: "";
}

.page-faq .qa-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .qa-q {
  min-width: 0;
  line-height: 1.5;
}

.page-faq .qa-mark {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border: 1px solid var(--wire);
  border-radius: 2px;
  background: rgba(20, 224, 216, 0.06);
  transition: background var(--t-fast), border-color var(--t-fast);
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform var(--t-base), opacity var(--t-base);
}

.page-faq .qa-mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .qa-item[open] .qa-mark {
  border-color: var(--cyan-deep);
  background: rgba(20, 224, 216, 0.16);
}

.page-faq .qa-item[open] .qa-mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scaleX(0.35);
}

.page-faq .qa-tag {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--cyan-deep);
  border-radius: 2px;
  background: rgba(11, 126, 136, 0.16);
}

.page-faq .qa-body {
  padding: 14px clamp(16px, 4vw, 24px) 18px clamp(16px, 6vw, 50px);
  border-top: 1px solid var(--wire);
}

/* ---------- 排查步骤路径 ---------- */
.page-faq .step-list {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-list li {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
}

.page-faq .step-list li:last-child {
  padding-bottom: 0;
}

.page-faq .step-list li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 28px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-deep), rgba(11, 126, 136, 0.05));
}

.page-faq .step-num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.page-faq .step-list p {
  margin: 0;
  padding-top: 1px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 收录范围 ---------- */
.page-faq .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .scope-card {
  position: relative;
  padding: 18px 18px 20px;
  overflow: hidden;
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  background: var(--faq-card);
}

.page-faq .scope-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(20, 224, 216, 0) 72%);
}

.page-faq .scope-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  opacity: 0.82;
}

.page-faq .scope-card__title {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .scope-card__num {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .scope-card__num span {
  font-size: 13px;
  color: var(--silver);
}

.page-faq .scope-card__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

.page-faq .scope-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 16px;
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  overflow: hidden;
  background: var(--wire);
}

.page-faq .scope-fact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink);
}

.page-faq .scope-fact__v {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--white);
}

.page-faq .scope-fact__k {
  font-size: 13px;
  line-height: 1.62;
  color: var(--silver);
}

.page-faq .exclude-note {
  margin-top: 18px;
  padding: 20px clamp(16px, 3vw, 24px);
  border: 1px solid var(--wire);
  border-left: 2px solid var(--gold);
  border-radius: var(--faq-cut);
  background:
    linear-gradient(118deg, rgba(255, 138, 43, 0.09), transparent 58%),
    rgba(14, 22, 34, 0.62);
}

.page-faq .exclude-note__title {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-faq .exclude-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .exclude-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .exclude-list li:last-child {
  margin-bottom: 0;
}

.page-faq .exclude-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-faq .exclude-note__tail {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--wire);
  font-size: 14px;
  line-height: 1.74;
  color: var(--silver);
}

/* ---------- 版本对照 ---------- */
.page-faq .ver-cmp {
  margin-top: clamp(18px, 3vw, 26px);
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  overflow: hidden;
}

.page-faq .ver-cmp__head {
  background: rgba(28, 40, 54, 0.6);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-faq .ver-cmp__row {
  border-bottom: 1px solid var(--wire);
  transition: background var(--t-fast);
}

.page-faq .ver-cmp__row:last-child {
  border-bottom: 0;
}

.page-faq .ver-cmp__row:hover,
.page-faq .ver-cmp__row:focus-within {
  background: rgba(20, 224, 216, 0.07);
}

.page-faq .ver-cmp__row > span {
  display: block;
  padding: 13px 16px;
  font-size: 14px;
  line-height: 1.66;
}

.page-faq .ver-cmp__name {
  color: var(--white);
  font-weight: 600;
}

.page-faq .ver-cmp__old {
  color: var(--silver);
  opacity: 0.86;
}

.page-faq .ver-cmp__new {
  color: var(--gold-soft);
}

@media (max-width: 759px) {
  .page-faq .ver-cmp__head {
    display: none;
  }

  .page-faq .ver-cmp__row > span {
    border-bottom: 1px dashed rgba(28, 40, 54, 0.85);
  }

  .page-faq .ver-cmp__row > span:last-child {
    border-bottom: 0;
  }

  .page-faq .ver-cmp__old::before {
    content: "此前版本 · ";
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--silver);
    opacity: 0.75;
  }

  .page-faq .ver-cmp__new::before {
    content: "当前版本 · ";
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--gold);
  }
}

@media (min-width: 760px) {
  .page-faq .ver-cmp__head,
  .page-faq .ver-cmp__row {
    display: grid;
    grid-template-columns: 1.15fr 1fr 1fr;
  }

  .page-faq .ver-cmp__head span {
    padding: 10px 16px;
  }
}

/* ---------- 反馈与进度 ---------- */
.page-faq .fb-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .fb-panel {
  padding: 20px clamp(16px, 3vw, 24px) 22px;
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  background: var(--faq-card);
}

.page-faq .fb-panel--status {
  border-color: rgba(255, 138, 43, 0.24);
  background:
    linear-gradient(180deg, rgba(255, 138, 43, 0.08), rgba(9, 14, 21, 0.94) 52%);
}

.page-faq .fb-panel__title {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .fb-panel__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--wire);
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .fb-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .fb-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(28, 40, 54, 0.7);
  font-size: 14px;
  line-height: 1.68;
  color: var(--silver);
}

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

.page-faq .fb-list__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .status-flow {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .status-flow li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
}

.page-faq .status-flow p {
  margin: 0;
  padding-top: 3px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--silver);
}

/* ---------- 联系条 ---------- */
.page-faq .contact-strip {
  margin-top: 18px;
  padding: 20px clamp(16px, 3vw, 24px);
  border: 1px solid var(--wire);
  border-left: 2px solid var(--cyan);
  border-radius: var(--faq-cut);
  background:
    linear-gradient(100deg, rgba(20, 224, 216, 0.1), transparent 60%),
    rgba(9, 14, 21, 0.92);
}

.page-faq .contact-strip__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--silver);
}

.page-faq .contact-strip__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  border: 1px solid var(--wire);
  border-radius: var(--faq-cut);
  background: var(--wire);
}

.page-faq .contact-strip__list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 14px;
  background: var(--ink);
  font-size: 14px;
  line-height: 1.62;
}

.page-faq .contact-strip__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--silver);
  padding-top: 3px;
}

.page-faq .contact-strip__v {
  color: var(--white);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (max-width: 559px) {
  .page-faq .qa-tag {
    display: none;
  }

  .page-faq .qa-summary {
    gap: 10px;
    padding: 14px 14px;
    font-size: 14px;
  }

  .page-faq .fb-list li,
  .page-faq .contact-strip__list li,
  .page-faq .status-flow li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-faq .fb-list__k,
  .page-faq .contact-strip__k {
    padding-top: 0;
  }
}

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

  .page-faq .scope-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .fb-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .seg-chip,
  .page-faq .qa-item,
  .page-faq .qa-mark,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .ver-cmp__row,
  .page-faq .section-num {
    transition: none;
  }
}