.page-faq {
  padding-block: 22px 64px;
  color: var(--ink);
}

.page-faq .faq-shell {
  display: flex;
  flex-direction: column;
  gap: clamp(38px, 7vw, 76px);
}

.page-faq .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
}

.page-faq .breadcrumb__list li::after {
  content: "/";
  margin-left: 6px;
  color: var(--line);
}

.page-faq .breadcrumb__list li:last-child::after {
  content: "";
}

.page-faq .breadcrumb__list a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color var(--ease);
}

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

.page-faq .breadcrumb__list [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-left: clamp(16px, 3vw, 30px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 58%, var(--magenta));
}

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

.page-faq .faq-hero h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__accent {
  color: var(--cyan);
}

.page-faq .faq-hero__lead {
  max-width: 60ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-hero__meta {
  display: inline-block;
  margin: 16px 0 0;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--bg-map);
  font-size: 12.5px;
  color: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-faq .faq-hero__meta .num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
  margin-right: 4px;
}

/* ---------- 章节跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
  margin-top: -14px;
}

.page-faq .faq-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: var(--bg-map);
  color: var(--ink-2);
  font-size: 13px;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-jump a .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
  background: var(--bg-panel);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 24px;
}

.page-faq .faq-section__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-sec-index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 33px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-section__intro {
  max-width: 58ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: clamp(18px, 4vw, 32px);
}

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

.page-faq .faq-step {
  position: relative;
  padding: 18px 20px;
  background: var(--bg-panel);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cyan);
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
}

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(76, 141, 255, 0.18), rgba(123, 77, 255, 0.2) 58%, rgba(226, 63, 135, 0.16));
  pointer-events: none;
}

.page-faq .faq-figure figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 1;
  padding: 5px 10px;
  background: rgba(7, 11, 26, 0.82);
  border-left: 2px solid var(--cyan);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--bg-map);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--bg-panel);
  border-color: rgba(56, 240, 210, 0.45);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 14.2px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:hover {
  color: var(--cyan);
}

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

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item__a {
  margin: 0;
  padding: 0 16px 16px 46px;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-item__a a,
.page-faq .faq-inline-link a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-inline-link a:hover {
  color: var(--cyan);
}

.page-faq .faq-save {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-faq .faq-inline-link {
  margin: 16px 0 0;
  font-size: 13.5px;
  color: var(--ink-2);
}

/* ---------- 排查清单 ---------- */
.page-faq .faq-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-check {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding: 15px 16px;
  background: var(--bg-map);
  border-left: 2px solid var(--line);
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-check:first-child {
  border-left-color: var(--orange);
}

.page-faq .faq-check:hover {
  background: var(--bg-panel);
  border-left-color: var(--cyan);
}

.page-faq .faq-check__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  padding-top: 2px;
}

.page-faq .faq-check h3 {
  margin: 0 0 5px;
  font-size: 14.8px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-check p {
  margin: 0;
  font-size: 13.6px;
  line-height: 1.74;
  color: var(--ink-2);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--blue);
  background: rgba(76, 141, 255, 0.08);
  font-size: 13.2px;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact__card {
  position: relative;
  padding: clamp(22px, 4.5vw, 40px);
  background:
    linear-gradient(120deg, rgba(255, 162, 58, 0.16), rgba(226, 63, 135, 0.1) 58%, transparent 88%),
    var(--bg-map);
  border: 1px solid rgba(255, 162, 58, 0.4);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-faq .faq-contact__card .faq-sec-index {
  color: var(--orange);
}

.page-faq .faq-contact__card h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.2vw, 30px);
  line-height: 1.16;
  color: var(--ink);
}

.page-faq .faq-contact__lead {
  max-width: 56ch;
  margin: 0;
  font-size: 13.8px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-faq .faq-contact__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 20px 0 24px;
  padding: 0;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 2px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
}

.page-faq .faq-contact__val {
  font-size: 14px;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-contact__actions .btn {
  flex: 1 1 150px;
  justify-content: center;
  text-align: center;
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 419px) {
  .page-faq .faq-item__a {
    padding-left: 16px;
  }

  .page-faq .faq-contact__actions .btn {
    flex: 1 1 100%;
  }
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: 1.22fr 0.92fr;
    align-items: start;
  }

  .page-faq .faq-figure figcaption {
    font-size: 12px;
  }

  .page-faq .faq-contact__item {
    grid-template-columns: 92px 1fr;
    align-items: baseline;
    gap: 14px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq {
    padding-block: 30px 84px;
  }

  .page-faq .faq-jump {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-faq .faq-item summary {
    padding: 17px 20px;
    font-size: 15px;
  }

  .page-faq .faq-item__a {
    padding: 0 20px 18px 52px;
    font-size: 14px;
  }

  .page-faq .faq-save {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-faq .faq-check {
    padding: 17px 20px;
  }

  .page-faq .faq-contact__card {
    padding: 44px 48px;
  }

  .page-faq .faq-contact__actions .btn {
    flex: 0 0 auto;
    min-width: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
}
<<<END>>>