.page-faq {
  --faq-gap: clamp(16px, 3vw, 28px);
  background: var(--navy);
  color: var(--cream);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 5vw, 52px) 0 clamp(32px, 5vw, 62px);
  background:
    linear-gradient(135deg, transparent 0 64%, rgba(182, 106, 78, 0.24) 64% 100%),
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 78%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(29, 66, 96, 0.42) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(29, 66, 96, 0.42) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 70%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 70%, transparent 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(42vw, 460px);
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(53, 230, 196, 0.16), transparent 62%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
  align-items: end;
}

.page-faq .faq-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.86;
  color: var(--cream);
  opacity: 0.88;
}

.page-faq .faq-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stat {
  background: linear-gradient(180deg, var(--panel), var(--navy-deep));
  padding: 14px 14px 16px;
}

.page-faq .faq-stat dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--rock);
}

.page-faq .faq-stat-val {
  display: block;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 3.2vw, 26px);
  line-height: 1.1;
  color: var(--cyan);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding-top: clamp(30px, 5vw, 56px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

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

.page-faq .faq-index-inner {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--navy-deep));
  padding: 16px 14px 14px;
}

.page-faq .faq-index-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--cream);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(53, 230, 196, 0.08);
}

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

.page-faq .faq-index-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--signal);
}

.page-faq .faq-index-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rock);
}

.page-faq .faq-stream {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
  min-width: 0;
}

/* ---------- 画板块 ---------- */
.page-faq .faq-block {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 43, 70, 0.94), rgba(6, 26, 46, 0.96));
  padding: clamp(20px, 3.4vw, 34px);
}

.page-faq .faq-block::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 52px;
  height: 3px;
  background: var(--cyan);
}

.page-faq .faq-block:nth-of-type(1)::before { background: var(--cyan); }
.page-faq .faq-block:nth-of-type(2)::before { background: var(--signal); }
.page-faq .faq-block:nth-of-type(3)::before { background: var(--moss); }
.page-faq .faq-block:nth-of-type(4)::before { background: var(--clay); }
.page-faq .faq-block:nth-of-type(5)::before { background: var(--sand); }
.page-faq .faq-block:nth-of-type(6)::before { background: var(--signal); }

.page-faq .faq-block-head {
  margin-bottom: clamp(16px, 2.6vw, 22px);
}

.page-faq .faq-block-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.8vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-block-sub {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cream);
  opacity: 0.84;
}

.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 2.6vw, 24px);
}

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

/* ---------- 登录流程 ---------- */
.page-faq .login-flow {
  list-style: none;
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .login-flow-step {
  position: relative;
  border: 1px solid var(--line-soft);
  background: var(--navy-deep);
  padding: 16px 16px 18px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .login-flow-step:hover {
  border-color: var(--signal);
}

.page-faq .login-flow-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .login-flow-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--cream);
  opacity: 0.86;
}

.page-faq .login-flow-tag {
  display: inline-block;
  margin: 12px 0 0;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid rgba(53, 230, 196, 0.55);
}

.page-faq .login-flow-term {
  display: inline-block;
  margin: 12px 0 0;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--signal);
  border: 1px solid var(--signal);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

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

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--white);
  transition: background 0.18s ease, color 0.18s ease;
}

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

.page-faq .faq-q:hover {
  background: rgba(53, 230, 196, 0.07);
  color: var(--cyan);
}

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

.page-faq .faq-q-no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q-icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  color: var(--cyan);
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

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

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

.page-faq .faq-item[open] .faq-q-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-q {
  color: var(--cyan);
  background: rgba(53, 230, 196, 0.05);
}

.page-faq .faq-a {
  padding: 0 16px 16px calc(16px + 30px);
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--cream);
  opacity: 0.9;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-soft);
  transition: text-decoration-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-a a:hover {
  color: var(--white);
  text-decoration-color: var(--signal);
}

/* ---------- 格式表 ---------- */
.page-faq .faq-format-table {
  width: 100%;
  margin: 0 0 clamp(18px, 2.6vw, 24px);
}

.page-faq .faq-table-caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rock);
}

.page-faq .faq-format-table td:first-child {
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 三步定位 ---------- */
.page-faq .ts-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .ts-node {
  position: relative;
  border: 1px solid var(--line-soft);
  background: var(--navy-deep);
  padding: 16px;
}

.page-faq .ts-node-key {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--navy);
  background: var(--cyan);
}

.page-faq .ts-node-title {
  margin: 12px 0 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .ts-node-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--cream);
  opacity: 0.86;
}

.page-faq .faq-inline-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--cream);
  opacity: 0.86;
}

.page-faq .faq-inline-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-soft);
}

.page-faq .faq-inline-note a:hover {
  color: var(--white);
  text-decoration-color: var(--signal);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-block--contact {
  background:
    linear-gradient(150deg, rgba(53, 230, 196, 0.1) 0%, transparent 46%),
    linear-gradient(180deg, rgba(12, 43, 70, 0.96), rgba(4, 18, 31, 0.98));
}

.page-faq .mail-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 16px;
  border: 1px solid var(--cyan);
  background: rgba(53, 230, 196, 0.07);
}

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

.page-faq .mail-value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.6vw, 18px);
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .mail-note {
  font-size: 12px;
  color: var(--cream);
  opacity: 0.76;
}

.page-faq .faq-contact-lead {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}

.page-faq .check-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .check-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream);
  opacity: 0.9;
}

.page-faq .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--signal);
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .login-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .login-flow-step:not(:last-child)::after {
    content: "\203A";
    position: absolute;
    right: -13px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    padding: 0 4px;
    background: var(--navy);
    font-family: var(--font-mono);
    font-size: 22px;
    line-height: 1;
    color: var(--signal);
  }

  .page-faq .ts-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .ts-node + .ts-node::before {
    content: "";
    position: absolute;
    left: -17px;
    top: 34px;
    width: 16px;
    height: 1px;
    background: var(--signal);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-faq .faq-block-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-faq .faq-block-sub {
    max-width: 58ch;
  }
}

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

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-a {
    padding-right: 32px;
  }
}
<<<END>>>