.page-faq {
  background: var(--ink);
  color: var(--fog);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq [id] {
  scroll-margin-top: 128px;
}

.page-faq .faq-top {
  padding-top: 18px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--pine);
}

.page-faq .breadcrumb a {
  color: var(--sage);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: 24px;
  padding-block: clamp(24px, 4.4vw, 48px) clamp(22px, 3.6vw, 40px);
  border-bottom: 1px solid var(--pine);
}

.page-faq .faq-hero-main {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 620px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .faq-hero-note {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  border-left: 3px solid var(--pulse);
}

.page-faq .faq-note-kicker {
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-note-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 14px;
  color: var(--fog);
}

.page-faq .faq-note-line .score-num {
  font-size: 26px;
  line-height: 1;
  color: var(--pulse);
}

.page-faq .faq-note-line--soft {
  font-size: 13px;
  color: var(--sage);
  padding-top: 4px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
    gap: 56px;
  }
}

/* ---------- 双列布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  padding-top: clamp(26px, 4vw, 46px);
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 120px;
  }
}

.page-faq .faq-index {
  border-top: 2px solid var(--pine);
  padding-top: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-faq .faq-index-list {
  display: grid;
  gap: 4px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  color: var(--fog);
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-index-list a::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pine);
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: var(--ink-2);
  border-color: var(--pine);
  color: var(--cyan);
}

.page-faq .faq-index-list a:hover::before,
.page-faq .faq-index-list a:focus-visible::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 240, 196, 0.14);
}

.page-faq .faq-index-list .cnt {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sage);
}

.page-faq .faq-index-foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-card + .faq-card,
.page-faq .faq-card + .faq-block,
.page-faq .faq-block + .faq-card,
.page-faq .faq-block + .faq-block {
  margin-top: clamp(24px, 3.6vw, 42px);
}

/* ---------- 排查卡 ---------- */

.page-faq .faq-card {
  background: var(--ink-2);
  border: 1px solid var(--pine);
  border-radius: var(--radius-hard);
  padding: clamp(20px, 3.2vw, 34px);
}

.page-faq .faq-card-head {
  margin-bottom: 18px;
}

.page-faq .faq-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-faq .faq-card-tag .tagnum {
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--pulse);
  color: var(--ink);
  font-weight: 700;
  font-size: 12px;
}

.page-faq .faq-card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-card-lede {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .faq-card-body--split {
  display: grid;
  gap: 22px;
}

@media (min-width: 800px) {
  .page-faq .faq-card-body--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 288px);
    gap: 30px;
    align-items: start;
  }
}

.page-faq .faq-shot {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-soft);
}

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

/* ---------- 步骤 ---------- */

.page-faq .faq-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 22px;
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid var(--pine);
}

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

.page-faq .step-no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--pulse);
  transition: color 0.18s var(--ease);
}

.page-faq .step-body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-faq .step-title {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--fog);
}

.page-faq .step-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .step-check {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 22px;
  height: 22px;
  margin: 0;
  border: 2px solid var(--pine);
  border-radius: 4px;
  background: var(--ink);
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .step-check:hover {
  border-color: var(--cyan);
}

.page-faq .step-check:focus-visible {
  outline: var(--ring);
  outline-offset: 2px;
}

.page-faq .step-check:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .step-check::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 5px;
  height: 9px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: 0;
}

.page-faq .step-check:checked::after {
  opacity: 1;
}

.page-faq .faq-step:has(.step-check:checked) .step-no {
  color: var(--cyan);
}

.page-faq .faq-next-hint {
  margin: 20px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--pine);
  background: rgba(23, 69, 58, 0.35);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-next-hint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-card:has(.step-check:checked) .faq-next-hint {
  border-left-color: var(--cyan);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-block h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 35px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pulse);
}

.page-faq .faq-block-lede {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .faq-block-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-faq .faq-block .faq-shot--wide,
.page-faq .faq-block .media-frame {
  margin-top: 22px;
}

/* ---------- 提交清单 ---------- */

.page-faq .faq-needs {
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--pine);
  border-radius: var(--radius-hard);
  overflow: hidden;
}

.page-faq .faq-needs li {
  display: grid;
  gap: 5px;
  padding: 15px 16px;
  background: var(--ink-2);
}

.page-faq .faq-needs strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--fog);
}

.page-faq .faq-needs span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--sage);
  word-break: break-word;
}

@media (min-width: 720px) {
  .page-faq .faq-needs {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-qa {
  margin-top: 18px;
  border-top: 1px solid var(--pine);
}

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

.page-faq .faq-q summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.6;
  color: var(--fog);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-q summary::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  transform: translateY(-2px);
  transition: background 0.18s var(--ease);
}

.page-faq .faq-q summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--sage);
}

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

.page-faq .faq-q[open] summary {
  color: var(--mist);
}

.page-faq .faq-q[open] summary::before {
  background: var(--pulse);
}

.page-faq .faq-q[open] summary::after {
  content: "–";
  color: var(--pulse);
}

.page-faq .faq-a {
  margin: 0;
  padding: 0 0 15px 19px;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 联络 ---------- */

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.4vw, 23px);
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .faq-contact-note a {
  color: var(--mist);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-contact-note a:hover,
.page-faq .faq-contact-note a:focus-visible {
  color: var(--cyan);
  text-decoration-thickness: 2px;
}

.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-more a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--pine);
  border-radius: 999px;
  font-size: 14px;
  color: var(--fog);
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

/* ---------- 窄屏微调 ---------- */

@media (max-width: 480px) {
  .page-faq .faq-step {
    grid-template-columns: 22px minmax(0, 1fr) 20px;
    gap: 10px;
  }

  .page-faq .step-check {
    width: 20px;
    height: 20px;
  }

  .page-faq .faq-q summary {
    gap: 10px;
    font-size: 14.5px;
  }

  .page-faq .faq-more a {
    padding: 8px 13px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-list a,
  .page-faq .faq-more a,
  .page-faq .step-check,
  .page-faq .faq-q summary,
  .page-faq .step-no,
  .page-faq .faq-next-hint {
    transition: none;
  }
}