.page-faq {
  background: var(--paper);
  color: var(--graphite);
}

.page-faq .breadcrumb {
  padding-top: 16px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 8px 0 44px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -70px;
  width: 340px;
  height: 340px;
  background: repeating-linear-gradient(115deg, rgba(11, 59, 92, 0.07) 0 1px, transparent 1px 14px);
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 14px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--sea);
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 34em;
}

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

.page-faq .faq-hero__panel {
  position: relative;
  overflow: hidden;
  background: var(--sea);
  color: var(--white);
  border-radius: 3px;
  padding: 24px 24px 20px;
  box-shadow: var(--shadow-2);
}

.page-faq .faq-hero__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
}

.page-faq .faq-hero__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(48px, 10vw, 64px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--teal);
}

.page-faq .faq-hero__caption {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-hero__steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.page-faq .faq-hero__steps li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.14);
}

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

.page-faq .faq-hero__steps .mono {
  color: var(--orange);
  font-size: 12px;
}

/* ---------- 章节头 ---------- */
.page-faq .faq-sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 26px;
}

.page-faq .faq-sec-head h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--sea);
}

.page-faq .faq-sec-head__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
  max-width: 44em;
}

/* ---------- 01 主题目录 ---------- */
.page-faq .faq-topics {
  padding-top: 44px;
}

.page-faq .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .topic-card {
  display: block;
  padding: 18px 18px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: inherit;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .topic-card:hover,
.page-faq .topic-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: var(--shadow-2);
}

.page-faq .topic-card__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .topic-card__title {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--sea);
  line-height: 1.3;
}

.page-faq .topic-card__count {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
}

.page-faq .topic-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--graphite);
}

.page-faq .faq-topics__figure {
  margin: 26px 0 0;
}

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

/* ---------- 02 问答 ---------- */
.page-faq .faq-qa {
  padding-top: 48px;
  padding-bottom: 52px;
}

.page-faq .qa-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .qa-side__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .qa-side__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .qa-side__list li {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-side__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 4px;
  font-size: 14px;
  color: var(--graphite);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa-side__link:hover,
.page-faq .qa-side__link:focus-visible {
  color: var(--sea);
  border-left-color: var(--orange);
  background: var(--white);
}

.page-faq .qa-side__link .mono {
  font-size: 12px;
  color: var(--orange);
}

.page-faq .qa-side__count {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
}

.page-faq .qa-group + .qa-group {
  margin-top: 32px;
}

.page-faq .qa-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 2px;
  padding-bottom: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--sea);
  border-bottom: 2px solid var(--sea);
}

.page-faq .qa-group__title .mono {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto 1fr 16px;
  gap: 12px;
  align-items: start;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__no {
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .qa__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--sea);
}

.page-faq .qa[open] .qa__q {
  color: var(--ink);
}

.page-faq .qa__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--sea);
  transition: transform 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

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

.page-faq .qa[open] .qa__sign::before {
  background: var(--orange);
}

.page-faq .qa__body {
  border-left: 2px solid var(--orange);
  padding: 0 0 18px 14px;
  margin: 0 0 4px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--graphite);
  max-width: 40em;
}

/* ---------- 03 提交前准备 ---------- */
.page-faq .faq-prep {
  padding-top: 44px;
  padding-bottom: 48px;
}

.page-faq .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .prep-card {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
}

.page-faq .prep-card__tag {
  display: inline-block;
  padding: 2px 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal-deep);
  background: var(--mist);
  border-radius: 2px;
}

.page-faq .prep-card h3 {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--sea);
}

.page-faq .prep-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-faq .prep-note {
  margin-top: 22px;
  padding: 20px;
  background: var(--mist);
  border-left: 3px solid var(--sea);
  border-radius: 0 3px 3px 0;
}

.page-faq .prep-note__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--sea);
}

.page-faq .prep-note__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .prep-note__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-faq .prep-note__list .mono {
  font-size: 12px;
  color: var(--orange);
}

.page-faq .prep-note__list strong {
  color: var(--sea);
}

/* ---------- 04 进度 ---------- */
.page-faq .faq-track {
  padding-top: 46px;
  padding-bottom: 52px;
}

.page-faq .track-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 18px;
}

.page-faq .track-bar__seg {
  display: block;
  height: 10px;
  border-radius: 2px;
}

.page-faq .track-bar__seg--1 {
  background: var(--orange);
}

.page-faq .track-bar__seg--2 {
  background: var(--orange-press);
}

.page-faq .track-bar__seg--3 {
  background: var(--teal-deep);
}

.page-faq .track-bar__seg--4 {
  background: var(--sea);
}

.page-faq .track-states {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .track-state {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .track-state:hover,
.page-faq .track-state:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-faq .track-state p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-faq .track-lookup {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

.page-faq .track-lookup__text h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--sea);
}

.page-faq .track-lookup__text p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 34em;
}

.page-faq .track-lookup__figure {
  margin: 0;
}

/* ---------- 05 关闭之后 ---------- */
.page-faq .faq-reopen {
  padding-top: 44px;
  padding-bottom: 44px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .reopen-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.page-faq .reopen-body h2 {
  margin: 6px 0 0;
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--sea);
}

.page-faq .reopen-body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 46em;
}

/* ---------- 06 深色收口 ---------- */
.page-faq .faq-close {
  padding-top: 48px;
  padding-bottom: 52px;
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-close__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-close__eyebrow {
  color: var(--teal);
}

.page-faq .faq-close h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-close__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 36em;
}

.page-faq .faq-close__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-close__ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.page-faq .faq-close__link {
  flex-basis: 100%;
  font-size: 14px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 196, 182, 0.45);
  padding-bottom: 2px;
  width: fit-content;
}

.page-faq .faq-close__link:hover,
.page-faq .faq-close__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--orange);
}

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

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

  .page-faq .prep-note__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .topic-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .faq-close__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-faq .qa-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .qa-side {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-faq .track-states {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .track-lookup {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .topic-card,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .track-state,
  .page-faq .qa-side__link {
    transition: none;
  }

  .page-faq .topic-card:hover,
  .page-faq .track-state:hover,
  .page-faq .track-state:focus-within {
    transform: none;
  }
}
<<<END>>>