/* ===== 帮助中心 / 页面作用域 .page-faq ===== */
.page-faq {
  --faq-gap: clamp(2.4rem, 6vw, 4.5rem);
  background: var(--linen);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  letter-spacing: 0.01em;
}

/* ---------- 封面首屏 ---------- */
.page-faq .faq-cover {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 6vw, 4.6rem) 0 clamp(2.2rem, 5vw, 3.6rem);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(53, 224, 200, 0.10) 0%, transparent 46%),
    linear-gradient(152deg, #0B1F33 0%, #123A5C 58%, #0B1F33 100%);
  color: var(--linen);
}

.page-faq .faq-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(53, 224, 200, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 224, 200, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(118deg, #000 0%, rgba(0, 0, 0, 0.35) 52%, transparent 78%);
  mask-image: linear-gradient(118deg, #000 0%, rgba(0, 0, 0, 0.35) 52%, transparent 78%);
}

.page-faq .faq-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26px;
  pointer-events: none;
  background: linear-gradient(170deg, transparent 46%, rgba(198, 193, 180, 0.42) 47%, transparent 48%);
}

.page-faq .faq-cover .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-cover .breadcrumb {
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
}

.page-faq .faq-cover .breadcrumb__list {
  color: rgba(239, 235, 225, 0.62);
}

.page-faq .faq-cover .breadcrumb__item a {
  color: rgba(239, 235, 225, 0.78);
  text-decoration: none;
}

.page-faq .faq-cover .breadcrumb__item a:hover,
.page-faq .faq-cover .breadcrumb__item a:focus-visible {
  color: var(--copper-lift);
}

.page-faq .faq-cover .eyebrow {
  color: var(--neon);
  letter-spacing: 0.16em;
}

.page-faq .faq-cover h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.4vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: 0.005em;
  margin: 0.5rem 0 0.7rem;
  max-width: 20ch;
  color: #FBFAF7;
}

.page-faq .faq-cover .lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(0.95rem, 2.2vw, 1.06rem);
  line-height: 1.85;
  color: rgba(239, 235, 225, 0.82);
}

.page-faq .faq-cover__index {
  list-style: none;
  counter-reset: faqidx;
  margin: clamp(2rem, 5vw, 2.8rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(198, 193, 180, 0.20);
  border-top: 1px solid rgba(198, 193, 180, 0.20);
  border-bottom: 1px solid rgba(198, 193, 180, 0.20);
}

.page-faq .faq-cover__index > li {
  counter-increment: faqidx;
  background: rgba(11, 31, 51, 0.62);
}

.page-faq .faq-cover__index a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.2rem 0.85rem;
  padding: 0.95rem 1.05rem;
  text-decoration: none;
  color: var(--linen);
  border-left: 2px solid transparent;
  transition: border-color var(--row) var(--ease), background var(--row) var(--ease);
}

.page-faq .faq-cover__index a::before {
  content: counter(faqidx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--copper-lift);
  grid-row: span 2;
}

.page-faq .faq-cover__label {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.page-faq .faq-cover__meta {
  grid-column: 2;
  font-size: 0.8rem;
  color: rgba(239, 235, 225, 0.58);
}

.page-faq .faq-cover__index a:hover,
.page-faq .faq-cover__index a:focus-visible {
  background: rgba(18, 58, 92, 0.72);
  border-left-color: var(--copper);
}

@media (min-width: 768px) {
  .page-faq .faq-cover__index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-cover h1 {
    max-width: 26ch;
  }
}

/* ---------- 区块标题 ---------- */
.page-faq .section-title {
  margin-bottom: clamp(1.4rem, 3.5vw, 2.2rem);
}

.page-faq .section-title .eyebrow {
  color: var(--clay);
}

.page-faq .section-title h2,
.page-faq .grid__main > h2 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.24;
  letter-spacing: 0.005em;
  color: var(--ink);
  margin: 0.35rem 0 0.6rem;
  max-width: 30ch;
}

.page-faq .section-title .note {
  max-width: 60ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-faq .prose {
  max-width: 660px;
  color: var(--graphite);
}

.page-faq .mono-inline {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---------- 速查图 ---------- */
.page-faq .faq-scope__figure,
.page-faq .faq-order__figure {
  margin: 0 0 clamp(1.6rem, 4vw, 2.4rem);
}

.page-faq .media__frame {
  border: 1px solid var(--line);
  background: var(--ink);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-faq .media__cap {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 12 项速查网格 ---------- */
.page-faq .scope-grid {
  list-style: none;
  counter-reset: scope;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .scope-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1rem 1.25rem;
  background: var(--paper);
}

.page-faq .scope-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: var(--copper);
  transition: width var(--row) var(--ease);
}

.page-faq .scope-card:hover::before,
.page-faq .scope-card:focus-within::before {
  width: 100%;
}

.page-faq .scope-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-faq .scope-card__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-faq .scope-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--ink-2);
  border: 1px solid var(--line-soft);
  background: var(--linen);
  flex: 0 0 auto;
}

.page-faq .scope-card__icon svg {
  display: block;
  width: 18px;
  height: 18px;
}

.page-faq .scope-card__name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.35;
  color: var(--graphite);
  margin: 0;
}

.page-faq .scope-card__desc {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .scope-card__link {
  margin-top: auto;
  padding-top: 0.45rem;
  align-self: flex-start;
  font-size: 0.8rem;
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 138, 62, 0.36);
  transition: color var(--row) var(--ease), border-color var(--row) var(--ease);
}

.page-faq .scope-card__link:hover,
.page-faq .scope-card__link:focus-visible {
  color: #9C6C2A;
  border-bottom-color: var(--copper);
}

@media (min-width: 480px) {
  .page-faq .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .scope-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 问答列表 dl ---------- */
.page-faq .qa-list {
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
}

.page-faq .qa-item {
  border-left: 2px solid var(--copper);
  padding: 0.15rem 0 0.15rem 1.15rem;
  margin-bottom: 1.65rem;
}

.page-faq .qa-item:last-child {
  margin-bottom: 0;
}

.page-faq .qa-item dt {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 0.5rem;
  scroll-margin-top: calc(var(--frame-h) + 1rem);
}

.page-faq .qa-item dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 62ch;
}

/* ---------- 侧栏卡片 ---------- */
.page-faq .aside-card {
  border: 1px solid var(--line);
  border-top: 2px solid var(--neon);
  background: var(--paper);
  padding: 1.2rem 1.15rem 1.3rem;
  box-shadow: var(--shadow-soft);
}

.page-faq .aside-card--plain {
  border-top-color: var(--stone);
}

.page-faq .aside-card--contact {
  border-top-color: var(--copper);
}

.page-faq .aside-card__label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .aside-card h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 0.55rem;
}

.page-faq .aside-card p {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .aside-card p:last-child {
  margin-bottom: 0;
}

.page-faq .aside-card__links {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .aside-card__links li + li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .aside-card__links a {
  display: block;
  padding: 0.62rem 0;
  font-size: 0.87rem;
  color: var(--ink-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.55rem;
  transition: border-color var(--row) var(--ease), color var(--row) var(--ease);
}

.page-faq .aside-card__links a:hover,
.page-faq .aside-card__links a:focus-visible {
  border-left-color: var(--copper);
  color: var(--copper);
}

.page-faq .aside-card .btn {
  display: inline-block;
  margin-bottom: 0.9rem;
}

/* ---------- 时间轴 ---------- */
.page-faq .timeline {
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.7rem;
}

.page-faq .timeline__point {
  position: relative;
  padding-left: 1.75rem;
}

.page-faq .timeline__point::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.35rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--linen);
  border: 2px solid var(--copper);
}

.page-faq .timeline__point::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 1.35rem;
  bottom: -1.7rem;
  width: 1px;
  background: var(--line);
}

.page-faq .timeline__point:last-child::after {
  display: none;
}

.page-faq .timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--clay);
  margin-bottom: 0.3rem;
}

.page-faq .timeline__point h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 0.4rem;
}

.page-faq .timeline__point p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 46ch;
}

.page-faq .timeline__after {
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
  max-width: 660px;
}

.page-faq .timeline__after p {
  margin: 0 0 0.8rem;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--graphite);
}

.page-faq .timeline__after p:last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .page-faq .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 3.2rem;
    border-top: 1px solid var(--line);
  }
  .page-faq .timeline__point {
    padding-left: 0;
    padding-top: 1.7rem;
  }
  .page-faq .timeline__point::before {
    left: 0;
    top: -5px;
    background: var(--linen);
  }
  .page-faq .timeline__point::after {
    display: none;
  }
}

/* ---------- 数字旁注 ---------- */
.page-faq .stat-line {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .stat-line:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .stat-line__num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--copper);
  flex: 0 0 auto;
}

.page-faq .stat-line__cap {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 旧版映射三步 ---------- */
.page-faq .legacy-steps {
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.2rem) 0 clamp(1.8rem, 4vw, 2.6rem);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .legacy-steps > li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 0 1.15rem;
  background: var(--linen);
}

.page-faq .legacy-steps__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--neon);
  padding-top: 0.2rem;
}

.page-faq .legacy-steps__body h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 0.35rem;
}

.page-faq .legacy-steps__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 60ch;
}

/* ---------- 折叠清单 ---------- */
.page-faq .faq-fold {
  margin-top: 1.6rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-soft);
  overflow: hidden;
  max-height: 6.5rem;
  transition: max-height 260ms var(--ease);
}

.page-faq .faq-fold[data-open] {
  max-height: 34rem;
}

.page-faq .faq-fold__list {
  list-style: none;
  counter-reset: fold;
  margin: 0;
  padding: 0;
}

.page-faq .faq-fold__list li {
  position: relative;
  counter-increment: fold;
  padding-left: 2.1rem;
  margin-bottom: 0.7rem;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--graphite);
}

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

.page-faq .faq-fold__list li::before {
  content: counter(fold, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--stone);
  letter-spacing: 0.06em;
}

.page-faq .quicklist__toggle {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--copper);
}

/* ---------- 准备信息清单 ---------- */
.page-faq .prep-list {
  list-style: none;
  margin: clamp(1.4rem, 3.5vw, 2rem) 0 0;
  padding: 0;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-faq .prep-list li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-faq .prep-list__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--clay);
  padding-top: 0.18rem;
}

/* ---------- 联系块 ---------- */
.page-faq .contact-list {
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .contact-list li {
  display: grid;
  grid-template-columns: 3.6rem 1fr;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--graphite);
  word-break: break-word;
}

.page-faq .contact-list__key {
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-faq .aside-card--contact .note {
  font-size: 0.8rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 锚点到达高亮 ---------- */
@keyframes faq-target-flash {
  0%, 55% { background-color: rgba(192, 138, 62, 0.10); }
  100% { background-color: transparent; }
}

.page-faq .section:target {
  animation: faq-target-flash 2s var(--ease) 1;
  scroll-margin-top: calc(var(--frame-h) + 0.5rem);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-faq .section:target {
    animation: none;
  }
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 479px) {
  .page-faq .faq-cover h1 {
    max-width: none;
    font-size: clamp(1.72rem, 8.2vw, 2.1rem);
  }
  .page-faq .faq-cover__index a {
    padding: 0.85rem 0.8rem;
  }
  .page-faq .stat-line {
    flex-direction: column;
    gap: 0.3rem;
  }
  .page-faq .contact-list li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
  .page-faq .legacy-steps > li {
    gap: 0.7rem;
  }
}