.page-faq {
  --faq-rail: 248px;
  --faq-gap: clamp(24px, 4vw, 52px);
  --faq-pad: clamp(18px, 2.6vw, 32px);
  --faq-line-soft: rgba(30, 42, 68, 0.6);
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, var(--faq-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-line-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
  color: var(--text);
  font-family: var(--font-body);
  padding: clamp(20px, 3vw, 40px) 0 clamp(56px, 8vw, 104px);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-title);
  letter-spacing: -0.02em;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

/* ---------- 顶部与面包屑 ---------- */
.page-faq .faq-top {
  display: flex;
  justify-content: flex-start;
  padding-bottom: clamp(18px, 3vw, 32px);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
}

.page-faq .breadcrumb-list li {
  position: relative;
  color: var(--muted);
}

.page-faq .breadcrumb-list li + li::before {
  content: "/";
  position: absolute;
  left: -11px;
  color: var(--line);
}

.page-faq .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .breadcrumb-link:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-faq .breadcrumb-link[aria-current="page"] {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.16em;
  color: var(--orange);
  text-transform: uppercase;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
  display: inline-block;
}

.page-faq h1 {
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.1;
  max-width: 20ch;
  color: var(--text);
}

.page-faq .faq-lead {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-search {
  margin-top: clamp(24px, 3.4vw, 40px);
  max-width: 720px;
}

.page-faq .faq-search-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  color: var(--ice);
  margin-bottom: 10px;
}

.page-faq .faq-search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  padding: 0 16px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-search-field:focus-within {
  border-color: var(--focus);
  border-left-color: var(--orange);
  background: var(--panel);
}

.page-faq .faq-search-mark {
  width: 12px;
  height: 12px;
  border: 2px solid var(--muted);
  border-radius: 50%;
  position: relative;
  flex: 0 0 auto;
}

.page-faq .faq-search-mark::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 6px;
  height: 2px;
  background: var(--muted);
  transform: rotate(45deg);
}

.page-faq .faq-input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.03em;
  padding: 15px 0;
}

.page-faq .faq-input::placeholder {
  color: var(--muted);
  font-family: var(--font-mono);
}

.page-faq .faq-input::-webkit-search-cancel-button {
  filter: invert(1) opacity(0.5);
}

.page-faq .faq-search-hint {
  margin-top: 10px;
  font-size: var(--fs-small);
  color: var(--muted);
  line-height: 1.6;
}

.page-faq .faq-hot {
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-hot-title {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  color: var(--green);
  margin-right: 4px;
}

.page-faq .faq-hot-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--ink-2);
  color: var(--ice);
  font-size: var(--fs-small);
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-hot-link:hover {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
  transform: translateY(-1px);
}

/* ---------- 三步 ---------- */
.page-faq .faq-steps {
  padding: clamp(32px, 5vw, 64px) 0;
}

.page-faq .faq-section-head h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--text);
  max-width: 24ch;
  margin-top: 10px;
}

.page-faq .step-list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .step {
  background: var(--ink-2);
  padding: var(--faq-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .step-num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
  line-height: 1;
}

.page-faq .step h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--text);
}

.page-faq .step p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 索引 + 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
  padding-top: clamp(8px, 2vw, 24px);
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 18px 16px;
  align-self: start;
}

.page-faq .faq-index-title {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index-link .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--text);
  border-left-color: var(--orange);
  background: var(--panel);
}

.page-faq .faq-panels {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 72px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.page-faq .faq-group-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--ice);
  padding: 3px 8px;
  flex: 0 0 auto;
}

.page-faq .faq-group-head h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  background: var(--ink-2);
  margin-top: 12px;
  scroll-margin-top: 110px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--line);
  border-left-color: var(--blue);
  background: var(--panel);
}

.page-faq .qa[open] {
  border-left-color: var(--orange);
  background: var(--panel);
}

.page-faq .qa-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px var(--faq-pad);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-head:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-faq .qa-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  flex: 0 0 auto;
  padding-top: 3px;
}

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

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .qa-head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  flex: 0 0 auto;
  transition: color 0.2s var(--ease);
}

.page-faq .qa[open] .qa-head::after {
  content: "−";
  color: var(--orange);
}

.page-faq .qa-body {
  padding: 0 var(--faq-pad) 20px calc(var(--faq-pad) + 18px);
  border-top: 1px solid var(--line);
  margin-top: 2px;
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .qa-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 68ch;
}

.page-faq .qa-more {
  font-size: var(--fs-small);
  color: var(--ice);
}

.page-faq .qa-body a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 42, 0.45);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .qa-body a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 4px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  display: flex;
  flex-direction: column;
}

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

.page-faq .faq-figure-cap {
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--muted);
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-faq .faq-media-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin: 18px 0 4px;
}

.page-faq .faq-media-row .faq-figure {
  margin: 0;
  max-width: 320px;
}

.page-faq .faq-media-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 2px solid var(--green);
  padding-left: 16px;
}

.page-faq .faq-media-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact-lead {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 64ch;
}

.page-faq .faq-contact .contact-list {
  margin-top: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-contact .contact-row {
  background: var(--ink-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 16px var(--faq-pad);
}

.page-faq .contact-label {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .contact-value {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-faq .contact-value--mail,
.page-faq .contact-value--tel {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  letter-spacing: 0.02em;
  color: var(--orange);
  word-break: break-all;
}

.page-faq .copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
  color: var(--ice);
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px 14px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .copy-btn:hover {
  color: var(--ink);
  background: var(--green);
  border-color: var(--green);
}

.page-faq .copy-btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-faq .copy-status {
  min-height: 20px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--green);
  letter-spacing: 0.04em;
}

.page-faq .faq-contact-note {
  margin-top: 14px;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--muted);
  max-width: 64ch;
}

.page-faq .faq-legal-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .legal-link {
  font-size: var(--fs-small);
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .legal-link:hover {
  color: var(--text);
  border-bottom-color: var(--orange);
}

/* ---------- 返回顶部 ---------- */
.page-faq .faq-back {
  display: flex;
  justify-content: flex-start;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-back .btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--line);
  color: var(--ice);
  background: var(--ink-2);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-back .btn:hover {
  color: var(--text);
  border-color: var(--ice);
  transform: translateY(-1px);
}

.page-faq .faq-back .btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-media-row {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 24px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 2px;
    overflow-x: visible;
  }

  .page-faq .faq-index-link {
    border-left: 2px solid var(--line);
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
  }
}
<<<PAGE_CSS_END>>>