.page-faq {
  --faq-rail-w: 232px;
  --faq-card-bg: #101C2E;
  background: var(--ink-950);
  color: var(--paper-100);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
}

.page-faq a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 38px) 0 clamp(26px, 5vw, 54px);
  border-bottom: 1px solid var(--line-hair);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: -14%;
  width: 132%;
  height: 340px;
  background: linear-gradient(100deg, rgba(23, 224, 200, 0.13), rgba(255, 90, 43, 0.08) 46%, rgba(6, 11, 20, 0) 74%);
  transform: rotate(-6deg);
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-400);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(143, 163, 191, 0.55);
}

.page-faq .breadcrumb a {
  color: var(--slate-400);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

.page-faq .faq-hero__inner {
  max-width: 800px;
  margin-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-100);
  margin-top: 12px;
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 13px;
  background: rgba(14, 26, 43, 0.78);
  border: 1px solid var(--line-soft);
  color: var(--paper-100);
  font-size: 13px;
  line-height: 1.4;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  background: rgba(23, 224, 200, 0.07);
}

.page-faq .faq-jump span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
}

/* ---------- 四类索引 ---------- */
.page-faq .faq-index {
  padding: clamp(28px, 4.6vw, 54px) 0;
}

.page-faq .faq-index__head {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-index__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 29px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-faq .faq-index__note {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-faq .faq-index__grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.page-faq .faq-card {
  position: relative;
  display: block;
  padding: 20px 18px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-hair);
  color: var(--paper-100);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--cyan-400);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-visible {
  border-color: var(--line-strong);
  background: var(--faq-card-bg);
  transform: translateY(-2px);
}

.page-faq .faq-card:hover::after,
.page-faq .faq-card:focus-visible::after {
  transform: scaleX(1);
}

.page-faq .faq-card__num {
  display: inline-block;
  padding: 3px 11px;
  background: var(--cyan-400);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  transform: skewX(-9deg);
}

.page-faq .faq-card__num > span {
  display: inline-block;
  transform: skewX(9deg);
}

.page-faq .faq-card__title {
  margin-top: 15px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-100);
}

.page-faq .faq-card__meta {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate-400);
}

/* ---------- 问答板 ---------- */
.page-faq .faq-board {
  padding: clamp(8px, 2vw, 18px) 0 clamp(36px, 6vw, 76px);
}

.page-faq .faq-board__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-hair);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate-400);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 13px;
  border-left: 1px solid var(--line-hair);
  color: var(--slate-400);
  font-size: 13.5px;
  line-height: 1.5;
  transition: color 0.2s var(--ease), border-left-color 0.2s var(--ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--cyan-400);
  border-left-color: var(--cyan-400);
}

.page-faq .faq-rail__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 18px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(32px, 5vw, 58px);
}

.page-faq .faq-group__head {
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 29px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-faq .faq-group__title::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--cyan-400);
}

.page-faq .faq-group__note {
  margin: 8px 0 0;
  max-width: 620px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-faq .faq-group__split {
  display: grid;
  gap: 20px;
}

.page-faq .faq-figure {
  overflow: hidden;
}

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

.page-faq .faq-figure--wide {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-hair);
}

.page-faq .faq-item__trigger {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: start;
  width: 100%;
  padding: 16px 4px;
  border: 0;
  background: none;
  color: var(--paper-100);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item__trigger:hover,
.page-faq .faq-item__trigger:focus-visible {
  color: var(--cyan-400);
}

.page-faq .faq-item__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate-400);
}

.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__num {
  color: var(--orange-500);
}

.page-faq .faq-item__q {
  font-weight: 600;
}

.page-faq .faq-item__icon {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  justify-self: end;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan-400);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .faq-item__icon::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__panel {
  padding: 0 4px 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-faq .faq-item__panel[hidden] {
  display: none;
}

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

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

.page-faq .faq-item__panel a {
  color: var(--cyan-400);
}

.page-faq .faq-item__panel a:hover,
.page-faq .faq-item__panel a:focus-visible {
  color: var(--orange-500);
}

/* ---------- 步骤清单 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 12px 0 12px 3px;
  padding: 0 0 0 18px;
  border-left: 1px solid rgba(23, 224, 200, 0.24);
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faq-step;
  padding: 0 0 11px 0;
  font-size: 14px;
  line-height: 1.78;
}

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

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: -23px;
  top: 2px;
  padding: 0 3px;
  background: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

/* ---------- 时间条板 ---------- */
.page-faq .faq-timeboard {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  list-style: none;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  padding: 0;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
}

.page-faq .faq-timeboard li {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-faq .faq-timeboard__num {
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan-400);
}

.page-faq .faq-timeboard__unit {
  margin-left: 3px;
  font-size: 12px;
  font-weight: 500;
  color: var(--paper-100);
}

.page-faq .faq-timeboard__label {
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--slate-400);
}

/* ---------- 提交指引卡 ---------- */
.page-faq .faq-escalate {
  padding: 0 0 clamp(40px, 7vw, 84px);
  scroll-margin-top: calc(var(--bar-h) + 18px);
}

.page-faq .faq-escalate__card {
  position: relative;
  max-width: 860px;
  padding: clamp(22px, 4vw, 42px);
  background: var(--moss-900);
  border: 1px solid rgba(255, 90, 43, 0.55);
  overflow: hidden;
}

.page-faq .faq-escalate__card::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 62%;
  height: 100%;
  background: repeating-linear-gradient(
    -6deg,
    rgba(23, 224, 200, 0.055) 0 1px,
    rgba(23, 224, 200, 0) 1px 26px
  );
  pointer-events: none;
}

.page-faq .faq-escalate__card > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-escalate__title {
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.6vw, 31px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-100);
  text-wrap: balance;
}

.page-faq .faq-escalate__lede {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 246, 255, 0.74);
}

.page-faq .faq-escalate__list {
  list-style: none;
  counter-reset: esc-step;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-escalate__list li {
  position: relative;
  counter-increment: esc-step;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-100);
}

.page-faq .faq-escalate__list li::before {
  content: counter(esc-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding-left: 7px;
  border-left: 2px solid rgba(255, 90, 43, 0.7);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange-500);
}

.page-faq .faq-escalate__contact {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 194, 77, 0.28);
}

.page-faq .faq-escalate__contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-escalate__contact .contact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper-100);
}

.page-faq .faq-escalate__contact .contact-list__key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber-400);
}

.page-faq .faq-escalate__contact .contact-list__val {
  flex: 1 1 auto;
  min-width: 0;
  word-break: break-word;
}

.page-faq .faq-escalate__contact .copy-btn {
  flex: 0 0 auto;
  padding: 3px 9px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-escalate__contact .copy-btn:hover,
.page-faq .faq-escalate__contact .copy-btn:focus-visible {
  border-color: var(--cyan-400);
  color: var(--paper-100);
}

.page-faq .faq-escalate__btn {
  display: inline-block;
  margin-top: 22px;
}

/* ---------- 断点 ---------- */
@media (min-width: 480px) {
  .page-faq .faq-item__panel {
    padding: 0 4px 22px 44px;
  }

  .page-faq .faq-timeboard {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-hero__lede {
    font-size: 16px;
  }

  .page-faq .faq-item__trigger {
    grid-template-columns: 36px minmax(0, 1fr) 18px;
    font-size: 15.5px;
    padding: 18px 4px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-group__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-board__grid {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(34px, 4vw, 62px);
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-group {
    scroll-margin-top: 26px;
  }

  .page-faq .faq-escalate {
    scroll-margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-card::after,
  .page-faq .faq-jump a,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after {
    transition: none;
  }

  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-visible {
    transform: none;
  }
}
<<<END>>>