/* =========================================================
   问题排查 /troubleshooting/ —— 页面专属样式
   ========================================================= */

.page-faq .breadcrumbs {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: clamp(18px, 3vw, 34px) 0 clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 20em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .hero-meters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .meter {
  background: var(--ink-2);
  padding: 14px 16px;
  transition: background var(--t-fast) var(--ease);
}

.page-faq .meter:hover {
  background: var(--panel);
}

.page-faq .meter__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.25;
  color: var(--gold);
  transition: transform var(--t-fast) var(--ease);
}

.page-faq .meter:hover .meter__value {
  transform: translateY(-2px);
}

.page-faq .meter__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-faq .section {
  padding: clamp(30px, 4vw, 54px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-faq .section__head {
  max-width: 62ch;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-faq .section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 2.5vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .section__head p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 判断入口 ---------- */
.page-faq .triage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .triage__item {
  display: block;
  padding: 18px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--line);
  text-decoration: none;
  color: var(--text);
  transition: background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.page-faq .triage__item:hover,
.page-faq .triage__item:focus-visible {
  background: var(--panel);
  border-color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-faq .triage__layer {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .triage__item:nth-child(2) .triage__layer {
  color: var(--gold);
}

.page-faq .triage__item:nth-child(3) .triage__layer {
  color: var(--cyan-soft);
}

.page-faq .triage__text {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .triage__go {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.page-faq .triage__item:hover .triage__go,
.page-faq .triage__item:focus-visible .triage__go {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 筛选条 ---------- */
.page-faq .filter-bar {
  margin-bottom: 18px;
}

/* ---------- 排查步骤 ---------- */
.page-faq .steps {
  border-top: 1px solid var(--line-soft);
}

.page-faq .step {
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid var(--line);
  background: var(--ink-2);
  transition: background var(--t-fast) var(--ease),
              border-left-color var(--t-fast) var(--ease);
}

.page-faq .step[open] {
  background: var(--panel);
  border-left-color: var(--cyan);
}

.page-faq .step__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
  transition: color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.page-faq .step[open] .step__num {
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .step__mark {
  position: relative;
  justify-self: end;
  align-self: center;
  width: 14px;
  height: 14px;
}

.page-faq .step__mark::before,
.page-faq .step__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}

.page-faq .step__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1.5px;
}

.page-faq .step__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1.5px;
}

.page-faq .step[open] .step__mark::before {
  background: var(--cyan);
}

.page-faq .step[open] .step__mark::after {
  transform: scaleY(0);
}

.page-faq .step__body {
  padding: 0 18px 20px;
  animation: faq-step-in var(--t-slow) var(--ease) both;
}

@keyframes faq-step-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .step__pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .step__obs h4,
.page-faq .step__concl h4 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .step__concl h4 {
  color: var(--gold);
}

.page-faq .step__obs p,
.page-faq .step__concl p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 显示差异对照 ---------- */
.page-faq .compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .compare__col {
  background: var(--ink-2);
  padding: 20px;
}

.page-faq .compare__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .compare__col--mobile .compare__title {
  color: var(--gold);
}

.page-faq .compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .compare__list li {
  position: relative;
  padding-left: 17px;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .compare__list li:first-child {
  margin-top: 0;
}

.page-faq .compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 1.5px;
  background: var(--line);
}

.page-faq .compare__col--desktop .compare__list li::before {
  background: var(--cyan);
}

.page-faq .compare__col--mobile .compare__list li::before {
  background: var(--gold);
}

.page-faq .note-band {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 3px solid var(--gold);
}

.page-faq .note-band h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .note-band ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .note-band li {
  position: relative;
  padding-left: 16px;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .note-band li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  background: var(--gold);
}

/* ---------- 临时查信息 ---------- */
.page-faq .quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
}

.page-faq .quick__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 14px;
  align-items: baseline;
  padding: 14px 18px;
  background: var(--ink-2);
  text-decoration: none;
  color: var(--text);
  transition: background var(--t-fast) var(--ease);
}

.page-faq .quick__item:hover,
.page-faq .quick__item:focus-visible {
  background: var(--panel);
}

.page-faq .quick__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  transition: transform var(--t-fast) var(--ease);
}

.page-faq .quick__item:hover .quick__num,
.page-faq .quick__item:focus-visible .quick__num {
  transform: translateY(-2px);
}

.page-faq .quick__body {
  display: block;
}

.page-faq .quick__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .quick__desc {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 更新同步 ---------- */
.page-faq .update-list {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 12px;
  max-width: 68ch;
}

.page-faq .update-list li {
  padding-left: 6px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .update-list li::marker {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
}

/* ---------- 人工协助 ---------- */
.page-faq .assist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .assist__contact {
  padding: 20px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
}

.page-faq .assist__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .assist__row:first-child {
  padding-top: 0;
}

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

.page-faq .assist__key {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .assist__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .assist__prep {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

.page-faq .assist__prep h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .assist__prep ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 9px;
}

.page-faq .assist__prep li {
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .assist__prep li::marker {
  color: var(--gold);
}

/* ---------- 延伸入口 ---------- */
.page-faq .nextup {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .nextup__item {
  display: block;
  height: 100%;
  padding: 16px 18px;
  background: var(--ink-2);
  text-decoration: none;
  color: var(--text);
  transition: background var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}

.page-faq .nextup__item:hover,
.page-faq .nextup__item:focus-visible {
  background: var(--panel);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .nextup__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .nextup__desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .hero-meters {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-faq .step__obs {
    padding-right: 22px;
    border-right: 1px solid var(--line-soft);
  }

  .page-faq .step__concl {
    padding-left: 22px;
  }

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

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

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

@media (min-width: 860px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-faq .faq-hero__text {
    grid-column: 1;
    grid-row: 1;
  }

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

  .page-faq .triage {
    grid-template-columns: 1.35fr 1fr 1.15fr;
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
  }

  .page-faq .triage__item {
    border: 0;
    border-left: 3px solid var(--line);
  }

  .page-faq .triage__item:hover,
  .page-faq .triage__item:focus-visible {
    border-left-color: var(--cyan);
  }

  .page-faq .assist {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
  }

  .page-faq .assist__contact,
  .page-faq .assist__prep {
    border: 0;
  }

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

@media (min-width: 1100px) {
  .page-faq .quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>