.page-faq {
  --faq-gap: clamp(18px, 2.6vw, 32px);
  --faq-dash: rgba(122, 140, 131, 0.34);
  --faq-soft: rgba(31, 58, 51, 0.52);
  background: var(--ink);
  color: var(--chalk);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq .faq-crumb-bar {
  padding-top: clamp(12px, 2vw, 22px);
}

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

.page-faq .breadcrumb a {
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(14px, 2.4vw, 26px);
  padding: clamp(22px, 4vw, 48px) 0 clamp(28px, 5vw, 60px);
  background-image:
    linear-gradient(rgba(20, 55, 43, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 55, 43, 0.28) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

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

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--chalk);
}

.page-faq .faq-lead {
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--chalk);
  opacity: 0.86;
  margin: 0;
}

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

.page-faq .faq-codes a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: var(--line);
  border-radius: var(--radius-pill);
  background: var(--ink-green);
  color: var(--chalk);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-codes a:hover,
.page-faq .faq-codes a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 255, 61, 0.08);
}

.page-faq .faq-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  flex: none;
}

.page-faq .faq-dot--alert {
  background: var(--orange);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-green);
}

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

.page-faq .media-cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--sage);
  border-top: var(--line);
  background: var(--ink-green);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  margin-top: clamp(34px, 6vw, 72px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sage);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--moss);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-index-list li {
  border-bottom: 1px dashed var(--faq-dash);
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  color: var(--chalk);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--lime);
  padding-left: 4px;
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  flex: none;
}

.page-faq .faq-copy-panel {
  background: var(--faq-soft);
  border: var(--line);
  border-radius: var(--radius-md);
  padding: 16px 16px 18px;
}

.page-faq .faq-copy-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  margin: 0 0 8px;
}

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

.page-faq .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 9px 16px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: rgba(198, 255, 61, 0.1);
  border-color: var(--lime);
}

.page-faq .copy-btn[data-copied] {
  border-color: var(--teal);
  color: var(--teal);
}

/* ---------- 右侧步骤卡 ---------- */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq .faq-step {
  position: relative;
  border: var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 34px);
  background: linear-gradient(180deg, var(--ink-green), rgba(7, 17, 13, 0.72));
  scroll-margin-top: 96px;
  transition: border-color 0.22s ease;
}

.page-faq .faq-step:hover {
  border-color: rgba(198, 255, 61, 0.42);
}

.page-faq .faq-step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px;
}

.page-faq .faq-step-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--ink);
  background: var(--lime);
  border-radius: 8px;
  padding: 6px 9px;
}

.page-faq .faq-step h2 {
  flex: 1 1 240px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-faq .faq-step-goal {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--chalk);
  opacity: 0.84;
}

.page-faq .faq-checks {
  list-style: none;
  counter-reset: faqstep;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-checks li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--chalk);
}

.page-faq .faq-checks li strong {
  color: var(--lime);
  font-weight: 600;
}

.page-faq .faq-checks li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 2px 6px;
  border: 1px solid var(--moss);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.3;
  color: var(--sage);
}

.page-faq .faq-branch {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-cond {
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--slate);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--chalk);
}

.page-faq .faq-cond strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-cond--ok {
  border-left: 3px solid var(--teal);
}

.page-faq .faq-cond--ok strong {
  color: var(--teal);
}

.page-faq .faq-cond--alert {
  border-left: 3px solid var(--orange);
}

.page-faq .faq-cond--alert strong {
  color: var(--orange);
}

/* 折叠问答 */
.page-faq .faq-more {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-dash);
}

.page-faq .faq-more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

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

.page-faq .faq-more summary::before {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-more[open] summary::before {
  content: "\2212";
}

.page-faq .faq-more p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--chalk);
  opacity: 0.85;
}

/* 路径对照 */
.page-faq .faq-compare {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--moss);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-compare > div {
  background: var(--ink-green);
  padding: 16px 18px;
}

.page-faq .faq-compare h3 {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-faq .faq-compare p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--chalk);
}

.page-faq .faq-compare > div:last-child h3 {
  color: var(--lime);
}

/* 中段图 */
.page-faq .faq-figure-wide {
  margin: 24px 0 0;
  border: var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-green);
}

/* 行内链接 */
.page-faq .faq-inline-link {
  margin: 22px 0 0;
}

.page-faq .faq-inline-link a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-inline-link a::after {
  content: "\2192";
}

.page-faq .faq-inline-link a:hover,
.page-faq .faq-inline-link a:focus-visible {
  color: var(--chalk);
  border-color: var(--chalk);
}

/* 邮件模板 */
.page-faq .faq-template-label {
  margin: 24px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-faq .faq-subject-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-faq .faq-subject {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--orange);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .faq-template {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* 联系信息 */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-contact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--ink);
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-faq .faq-contact-value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk);
  word-break: break-word;
}

.page-faq .faq-contact-value--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--lime);
}

/* 尾段 */
.page-faq .faq-tail {
  padding: clamp(20px, 3vw, 30px);
  border: 1px dashed var(--moss);
  border-radius: var(--radius-lg);
  background: var(--faq-soft);
}

.page-faq .faq-tail p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--chalk);
  opacity: 0.85;
}

.page-faq .faq-tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-item--wide {
    grid-column: span 2;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-branch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-step {
    padding: 18px 16px 20px;
  }

  .page-faq .faq-checks li {
    padding-left: 40px;
    font-size: 14px;
  }

  .page-faq .faq-step-num {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-codes a,
  .page-faq .faq-index-list a,
  .page-faq .copy-btn,
  .page-faq .faq-step,
  .page-faq .faq-inline-link a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}