.page-faq {
  --faq-edge: 2px solid var(--coral);
  --faq-hair: 1px solid rgba(200, 195, 184, 0.22);
  --faq-soft: rgba(11, 20, 36, 0.78);
  display: block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  overflow-x: hidden;
  padding-bottom: 72px;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 页头 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 34px;
  background:
    radial-gradient(130% 100% at 6% 0%, rgba(40, 224, 176, 0.2), rgba(40, 224, 176, 0) 58%),
    linear-gradient(178deg, var(--ink-2) 0%, var(--ink) 78%);
  border-bottom: var(--faq-edge);
}

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ivory);
}

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

.page-faq .faq-crumb a {
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 176, 0.4);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
  outline: none;
}

.page-faq .faq-kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-faq .faq-title {
  margin: 0 0 16px;
  font-size: clamp(32px, 9vw, 60px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0 0 26px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ivory);
}

.page-faq .faq-jumpnav {
  display: block;
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 9px 15px 9px 13px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--paper);
  text-decoration: none;
  background: rgba(17, 31, 53, 0.88);
  border: 1px solid rgba(40, 224, 176, 0.42);
  clip-path: polygon(0 0, 100% 0, calc(100% - 11px) 100%, 0 100%);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--coral);
  color: var(--ink);
  box-shadow: inset 0 0 0 3px var(--yellow);
  outline: none;
}

/* ---------- 分区 ---------- */

.page-faq .faq-section {
  position: relative;
  padding: 42px 0 6px;
  scroll-margin-top: 20px;
}

.page-faq .faq-section + .faq-section {
  border-top: 1px dashed rgba(200, 195, 184, 0.18);
  margin-top: 34px;
}

.page-faq .faq-paperband {
  background: var(--paper);
  color: var(--soot);
  border-top: none;
  padding-bottom: 44px;
  margin-top: 40px;
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}

.page-faq .faq-sechead {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: var(--faq-hair);
  margin-bottom: 22px;
}

.page-faq .faq-secnum {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -0.02em;
}

.page-faq .faq-sechead h2 {
  margin: 0;
  font-size: clamp(21px, 5.6vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-faq .faq-secdesc {
  grid-column: 2;
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ivory);
}

.page-faq .faq-paperband .faq-sechead {
  border-bottom-color: rgba(23, 19, 16, 0.28);
}

.page-faq .faq-paperband .faq-secnum {
  color: var(--red);
}

.page-faq .faq-paperband .faq-secdesc {
  color: #4c453b;
}

.page-faq .faq-section:target .faq-sechead h2 {
  color: var(--yellow);
}

.page-faq .faq-paperband:target .faq-sechead h2 {
  color: var(--red);
}

/* ---------- 问答项 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-item {
  position: relative;
  background: var(--ink-2);
  border: 2px solid rgba(200, 195, 184, 0.2);
  border-left: 5px solid var(--coral);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--yellow);
  background: rgba(11, 20, 36, 0.92);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 46px 15px 15px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .faq-q::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1;
  color: var(--ink);
  background: var(--coral);
  transition: background 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
  background: var(--yellow);
}

.page-faq .faq-q:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: -3px;
}

.page-faq .faq-qnum {
  flex: 0 0 auto;
  min-width: 38px;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yellow);
}

.page-faq .faq-qtext {
  display: block;
}

.page-faq .faq-a {
  padding: 0 16px 18px;
  border-top: 1px dashed rgba(200, 195, 184, 0.22);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ivory);
}

.page-faq .faq-a p {
  margin: 14px 0 0;
}

.page-faq .faq-a a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--yellow);
  outline: none;
}

.page-faq .faq-fields {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 7px 9px;
  margin: 14px 0 0;
  padding: 12px 13px;
  background: rgba(11, 20, 36, 0.8);
  border-left: 3px solid var(--slate);
}

.page-faq .faq-fields li {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  color: var(--ivory);
  border: 1px solid rgba(90, 107, 133, 0.6);
}

/* 纸色区内的问答项 */

.page-faq .faq-paperband .faq-item {
  background: var(--paper-2);
  border-color: rgba(23, 19, 16, 0.22);
  border-left-color: var(--coral-deep);
}

.page-faq .faq-paperband .faq-item[open] {
  border-left-color: var(--red);
  background: var(--paper);
}

.page-faq .faq-paperband .faq-q {
  color: var(--soot);
}

.page-faq .faq-paperband .faq-qnum {
  color: var(--coral-deep);
}

.page-faq .faq-paperband .faq-q::after {
  color: var(--paper);
  background: var(--coral-deep);
}

.page-faq .faq-paperband .faq-item[open] .faq-q::after {
  color: var(--paper);
  background: var(--red);
}

.page-faq .faq-paperband .faq-a {
  border-top-color: rgba(23, 19, 16, 0.2);
  color: #3b342c;
}

.page-faq .faq-paperband .faq-a a {
  color: var(--coral-deep);
}

.page-faq .faq-paperband .faq-a a:hover,
.page-faq .faq-paperband .faq-a a:focus-visible {
  color: var(--red);
}

.page-faq .faq-paperband .faq-copyline__val {
  color: var(--coral-deep);
  background: rgba(23, 19, 16, 0.06);
  border-color: rgba(15, 127, 106, 0.55);
}

.page-faq .faq-paperband .faq-copier {
  color: var(--paper);
  background: var(--coral-deep);
  border-color: var(--soot);
}

.page-faq .faq-paperband .faq-copier:hover {
  background: var(--red);
}

.page-faq .faq-paperband .faq-copier:focus-visible {
  outline: 3px solid var(--coral-deep);
  outline-offset: 3px;
}

.page-faq .faq-paperband .faq-copier.is-copied {
  background: var(--yellow);
  color: var(--soot);
}

/* ---------- 提醒条 ---------- */

.page-faq .faq-alert {
  margin: 20px 0 0;
  padding: 15px 17px 15px 18px;
  display: grid;
  gap: 8px;
  background: var(--faq-soft);
  border: 2px solid rgba(200, 195, 184, 0.24);
  border-left-width: 7px;
}

.page-faq .faq-alert--yellow {
  border-left-color: var(--yellow);
}

.page-faq .faq-alert--red {
  border-left-color: var(--red);
}

.page-faq .faq-alert__tag {
  justify-self: start;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  padding: 4px 10px 4px 8px;
  color: var(--ink);
  background: var(--yellow);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-faq .faq-alert--red .faq-alert__tag {
  color: var(--paper);
  background: var(--red);
}

.page-faq .faq-alert p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ivory);
}

.page-faq .faq-paperband .faq-alert {
  background: rgba(23, 19, 16, 0.05);
  border-color: rgba(23, 19, 16, 0.22);
}

.page-faq .faq-paperband .faq-alert p {
  color: #3b342c;
}

/* ---------- 图组 ---------- */

.page-faq .faq-figure {
  margin: 24px 0 0;
  background: var(--ink-2);
  border: 2px solid var(--coral);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--ivory);
  border-top: 1px solid rgba(200, 195, 184, 0.2);
}

/* ---------- 复制邮箱 ---------- */

.page-faq .faq-copyline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 14px 0 0;
}

.page-faq .faq-copyline__val {
  font-family: var(--mono);
  font-size: 12px;
  padding: 9px 12px;
  color: var(--coral);
  background: rgba(11, 20, 36, 0.85);
  border: 1px solid rgba(40, 224, 176, 0.42);
  word-break: break-all;
}

.page-faq .faq-copier {
  appearance: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 9px 15px;
  color: var(--ink);
  background: var(--coral);
  border: 2px solid var(--soot);
  box-shadow: 3px 3px 0 var(--soot);
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease), background 0.15s var(--ease);
}

.page-faq .faq-copier:hover {
  background: var(--yellow);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--soot);
}

.page-faq .faq-copier:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.page-faq .faq-copier.is-copied {
  background: var(--yellow);
}

/* ---------- 结尾入口 ---------- */

.page-faq .faq-end {
  margin: 34px 0 0;
  padding: 24px 20px;
  display: grid;
  gap: 12px;
  background: linear-gradient(135deg, rgba(40, 224, 176, 0.16), rgba(17, 31, 53, 0.94) 72%);
  border: 2px solid var(--coral);
  box-shadow: 7px 7px 0 rgba(23, 19, 16, 0.5);
}

.page-faq .faq-end__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-end__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ivory);
}

.page-faq .faq-end__links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .faq-end__link {
  display: inline-block;
  padding: 10px 15px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--paper);
  background: rgba(11, 20, 36, 0.7);
  border: 2px solid rgba(40, 224, 176, 0.5);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-end__link:hover,
.page-faq .faq-end__link:focus-visible {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink);
  outline: none;
}

/* ---------- 中屏 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-wrap {
    padding: 0 32px;
  }

  .page-faq .faq-hero {
    padding: 38px 0 46px;
  }

  .page-faq .faq-lead {
    font-size: 16.5px;
  }

  .page-faq .faq-section {
    padding-top: 54px;
  }

  .page-faq .faq-secnum {
    font-size: 44px;
  }

  .page-faq .faq-list {
    gap: 14px;
  }

  .page-faq .faq-q {
    font-size: 17px;
    padding: 18px 56px 18px 20px;
  }

  .page-faq .faq-a {
    padding: 0 22px 22px;
    font-size: 15.5px;
  }

  .page-faq .faq-alert {
    padding: 18px 22px 18px 22px;
  }

  .page-faq .faq-end {
    padding: 30px 30px;
    grid-template-columns: 1fr;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1024px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-wrap {
    padding: 0 40px;
  }

  .page-faq .faq-hero {
    padding: 46px 0 54px;
  }

  .page-faq .faq-jump {
    gap: 11px;
  }

  .page-faq .faq-sechead {
    grid-template-columns: 92px 1fr;
    gap: 0 20px;
    padding-bottom: 20px;
    margin-bottom: 26px;
  }

  .page-faq .faq-secnum {
    font-size: 58px;
  }

  .page-faq .faq-q {
    font-size: 17.5px;
  }

  .page-faq .faq-figure {
    margin-top: 30px;
  }

  .page-faq .faq-end {
    margin-top: 44px;
    padding: 34px 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}
<<<END>>>