.page-faq {
  --faq-dim: rgba(244, 240, 230, .7);
  --faq-soft: rgba(244, 240, 230, .46);
  --faq-gold-line: rgba(201, 162, 39, .38);
  --faq-neon-line: rgba(56, 225, 198, .32);
  --faq-gap: clamp(1.2rem, 3.4vw, 2.2rem);
  --faq-pad: clamp(1rem, 3vw, 1.6rem);

  display: block;
  background: var(--void);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .frame {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--card);
}

.page-faq .frame img {
  display: block;
  width: 100%;
  object-fit: cover;
  filter: saturate(.94) contrast(1.04);
}

.page-faq .frame-caption {
  padding: .6rem clamp(.8rem, 2.4vw, 1rem);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--mist);
  background: rgba(10, 18, 48, .7);
  border-top: 1px solid var(--line);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.8rem);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: .55rem;
  color: var(--faq-soft);
}

.page-faq .breadcrumb a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-neon-line);
  transition: color .18s ease, border-color .18s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--gold-lift);
  border-bottom-color: var(--faq-gold-line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(.9rem, 2.4vw, 1.6rem);
  border-top: 1px solid var(--faq-gold-line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(118deg, #0C1636 0%, #0A1230 48%, #111B3E 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  left: -14%;
  width: 62%;
  height: 168%;
  background: linear-gradient(158deg, rgba(201, 162, 39, .17), rgba(201, 162, 39, 0) 62%);
  transform: rotate(9deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -42%;
  width: 46%;
  height: 96%;
  background: linear-gradient(200deg, rgba(56, 225, 198, .14), rgba(56, 225, 198, 0) 68%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(1.8rem, 4.5vw, 2.6rem);
  padding-block: clamp(2rem, 6vw, 3.8rem);
}

.page-faq .faq-eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  margin: 0 0 1.5rem;
  max-width: 36em;
  font-size: clamp(.95rem, 2.2vw, 1.05rem);
  line-height: 1.85;
  color: var(--faq-dim);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-faq .btn {
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
}

.page-faq .faq-hero-meta {
  display: grid;
  gap: .55rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
  font-size: .84rem;
  color: var(--faq-soft);
}

.page-faq .faq-hero-meta li {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  padding-top: .6rem;
  border-top: 1px dashed var(--faq-gold-line);
}

.page-faq .faq-hero-meta strong {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--gold-lift);
}

.page-faq .faq-hero-visual {
  position: relative;
  padding: 0 14px 14px 0;
}

.page-faq .faq-hero-visual::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 58%;
  height: 58%;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  pointer-events: none;
}

.page-faq .faq-hero-figure {
  position: relative;
  box-shadow: var(--shadow-2);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(2rem, 5vw, 3.4rem) clamp(3rem, 8vw, 5.5rem);
}

.page-faq .faq-index {
  padding: clamp(.85rem, 2.4vw, 1.1rem);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 27, 62, .94), rgba(10, 18, 48, .74));
  box-shadow: var(--shadow-1);
}

.page-faq .faq-index-label {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-index ol {
  display: flex;
  gap: .45rem;
  margin: 0;
  padding: 0 0 .3rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index li {
  flex: 0 0 auto;
}

.page-faq .index-link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .45rem .6rem;
  font-size: .82rem;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--faq-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-faq .index-link .faq-idx-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--mist);
}

.page-faq .index-link:hover,
.page-faq .index-link:focus-visible {
  color: var(--paper);
  background: rgba(56, 225, 198, .07);
  border-left-color: var(--neon);
  outline: none;
}

.page-faq .index-link:focus-visible {
  box-shadow: 0 0 0 2px rgba(201, 162, 39, .55);
}

.page-faq .index-link[aria-current="true"] {
  color: var(--neon);
  background: rgba(201, 162, 39, .09);
  border-left-color: var(--gold);
}

.page-faq .index-link[aria-current="true"] .faq-idx-num {
  color: var(--gold);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  position: relative;
  padding-top: clamp(1.4rem, 3.6vw, 2.2rem);
  border-top: 1px solid var(--line);
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(2.2rem, 5.5vw, 3.6rem);
}

.page-faq .faq-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-sec-head {
  display: grid;
  gap: .4rem;
  margin-bottom: clamp(1rem, 2.6vw, 1.5rem);
}

.page-faq .faq-sec-num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.5rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-faq .faq-sec-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.2rem, 3.2vw, 1.65rem);
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-lead {
  margin: 0 0 clamp(1.1rem, 2.6vw, 1.5rem);
  max-width: 46em;
  color: var(--faq-dim);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  gap: .35rem .9rem;
  padding-bottom: clamp(1.1rem, 2.8vw, 1.6rem);
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.15rem;
  top: 2.55rem;
  bottom: .4rem;
  width: 1px;
  background: linear-gradient(180deg, var(--faq-gold-line), rgba(201, 162, 39, 0));
}

.page-faq .faq-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--faq-gold-line);
  border-radius: 50%;
  background: rgba(10, 18, 48, .92);
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--gold);
  position: relative;
  z-index: 1;
}

.page-faq .faq-step-body {
  min-width: 0;
}

.page-faq .faq-step-title {
  margin: 0 0 .25rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: .93rem;
  color: var(--faq-dim);
}

/* ---------- 路径词行 ---------- */
.page-faq .faq-pathline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  margin-top: clamp(1rem, 2.6vw, 1.5rem);
  padding: .8rem clamp(.8rem, 2.4vw, 1rem);
  border: 1px dashed var(--faq-gold-line);
  background: rgba(17, 27, 62, .62);
}

.page-faq .faq-pathline code {
  flex: 1 1 16rem;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--neon);
  word-break: break-word;
}

.page-faq .copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  border-radius: var(--radius);
}

/* ---------- 条目列表 ---------- */
.page-faq .faq-points {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-points li {
  position: relative;
  padding: .7rem 0 .7rem 1.7rem;
  font-size: .93rem;
  color: var(--faq-dim);
  border-bottom: 1px dashed rgba(110, 123, 168, .32);
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: .1rem;
  top: 1.14rem;
  width: .5rem;
  height: .5rem;
  border: 1px solid var(--neon);
  transform: rotate(45deg);
}

.page-faq .note {
  margin-top: clamp(1rem, 2.6vw, 1.4rem);
  font-size: .88rem;
  color: var(--faq-soft);
}

/* ---------- 数据行 ---------- */
.page-faq .faq-data {
  margin: 0 0 clamp(1.4rem, 3.2vw, 2rem);
}

.page-faq .faq-data .data-row {
  display: grid;
  gap: .2rem .9rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-data dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--gold-lift);
}

.page-faq .faq-data dd {
  margin: 0;
  font-size: .93rem;
  color: var(--faq-dim);
}

/* ---------- SVG 路径图 ---------- */
.page-faq .faq-pathmap-figure {
  margin: 0 0 clamp(1.4rem, 3.2vw, 2rem);
  padding: clamp(.8rem, 2.4vw, 1.2rem);
  border: 1px solid var(--line);
  background: rgba(10, 18, 48, .6);
}

.page-faq .faq-pathmap {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-pathmap .pm-frame {
  fill: rgba(13, 22, 52, .6);
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .faq-pathmap .pm-box {
  fill: rgba(17, 27, 62, .9);
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .faq-pathmap .pm-box--active {
  fill: rgba(56, 225, 198, .12);
  stroke: var(--neon);
}

.page-faq .faq-pathmap .pm-line {
  stroke: var(--faq-gold-line);
  stroke-width: 1.2;
  stroke-dasharray: 4 4;
}

.page-faq .faq-pathmap .pm-arrow {
  fill: var(--gold);
}

.page-faq .faq-pathmap .pm-text {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
}

.page-faq .faq-pathmap .pm-text--active {
  fill: var(--neon);
}

.page-faq .faq-pathmap .pm-num {
  fill: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-faq .faq-pathmap-figure figcaption {
  margin-top: .7rem;
  font-size: .8rem;
  color: var(--faq-soft);
}

.page-faq .faq-visual-figure {
  box-shadow: var(--shadow-1);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-accordions {
  display: grid;
  gap: .8rem;
}

.page-faq .faq-accordion + .faq-accordion {
  margin-top: 0;
}

.page-faq .faq-accordions > .faq-q-heading,
.page-faq .faq-accordions > .accordion-panel {
  position: relative;
}

.page-faq .faq-accordions {
  isolation: isolate;
}

.page-faq .accordion {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #131E47, #0E1733);
  box-shadow:
    4px 4px 0 -1px rgba(27, 42, 90, .6),
    8px 8px 0 -2px rgba(27, 42, 90, .3),
    var(--shadow-1);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-faq .accordion:hover {
  transform: translateY(-2px);
  box-shadow:
    4px 4px 0 -1px rgba(201, 162, 39, .35),
    8px 8px 0 -2px rgba(27, 42, 90, .35),
    var(--shadow-2);
}

.page-faq .faq-q-heading {
  margin: 0;
  padding: 0;
}

.page-faq .faq-accordions > .faq-q-heading {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #131E47, #0E1733);
  box-shadow:
    4px 4px 0 -1px rgba(27, 42, 90, .6),
    8px 8px 0 -2px rgba(27, 42, 90, .3),
    var(--shadow-1);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-faq .faq-accordions > .faq-q-heading:hover {
  transform: translateY(-2px);
  box-shadow:
    4px 4px 0 -1px rgba(201, 162, 39, .35),
    8px 8px 0 -2px rgba(27, 42, 90, .35),
    var(--shadow-2);
}

.page-faq .faq-accordions > .accordion-panel {
  margin-top: -1px;
  border: 1px solid var(--line);
  border-top: 1px dashed var(--faq-gold-line);
  background: rgba(13, 22, 52, .82);
}

.page-faq .accordion-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .8rem;
  width: 100%;
  padding: .95rem clamp(.9rem, 2.6vw, 1.3rem);
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: inherit;
  font-size: .97rem;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}

.page-faq .accordion-trigger:hover {
  background: rgba(56, 225, 198, .07);
}

.page-faq .accordion-trigger:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .faq-q-num {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--gold);
}

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

.page-faq .faq-q-mark {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--neon);
  transition: transform .2s ease;
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-q-mark {
  transform: rotate(45deg);
}

.page-faq .accordion-trigger[aria-expanded="true"] {
  color: var(--neon);
}

.page-faq .accordion-panel {
  margin: 0;
  padding: .9rem clamp(.9rem, 2.6vw, 1.3rem) 1.15rem;
  font-size: .92rem;
  color: var(--faq-dim);
}

.page-faq .accordion-panel p {
  margin: 0 0 .6rem;
}

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

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(1.2rem, 3vw, 1.8rem);
}

.page-faq .faq-contact-main {
  min-width: 0;
}

.page-faq .faq-contact-links {
  margin: clamp(1rem, 2.6vw, 1.4rem) 0 0;
  font-size: .9rem;
  color: var(--faq-soft);
}

.page-faq .faq-contact-links a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-neon-line);
}

.page-faq .faq-contact-links a:hover,
.page-faq .faq-contact-links a:focus-visible {
  color: var(--gold-lift);
  border-bottom-color: var(--faq-gold-line);
}

.page-faq .faq-contact-card {
  padding: clamp(1rem, 2.8vw, 1.5rem);
  border: 1px solid var(--faq-gold-line);
  background: linear-gradient(160deg, rgba(201, 162, 39, .12), rgba(17, 27, 62, .82) 58%);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-contact-card h3 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--paper);
}

.page-faq .faq-contact-list {
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: .15rem;
  font-size: .9rem;
  color: var(--faq-dim);
  word-break: break-word;
}

.page-faq .faq-contact-list span {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-contact-list a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-neon-line);
  word-break: break-all;
}

.page-faq .faq-contact-list a:hover,
.page-faq .faq-contact-list a:focus-visible {
  color: var(--gold-lift);
  border-bottom-color: var(--faq-gold-line);
}

.page-faq .faq-contact-note {
  margin: 1.1rem 0 0;
  padding-top: .85rem;
  border-top: 1px dashed var(--faq-gold-line);
  font-size: .82rem;
  color: var(--faq-soft);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-step {
    grid-template-columns: 3.1rem minmax(0, 1fr);
  }

  .page-faq .faq-step-title {
    margin-top: .35rem;
  }

  .page-faq .faq-data .data-row {
    grid-template-columns: minmax(7rem, 9.5rem) minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-sec-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(1rem, 2.6vw, 1.6rem);
  }

  .page-faq .faq-sec-kicker {
    grid-column: 2;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(190px, 2.6fr) minmax(0, 9.4fr);
    align-items: start;
    column-gap: clamp(2rem, 4.2vw, 3.4rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 6.6rem;
  }

  .page-faq .faq-index ol {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index li {
    flex: none;
  }

  .page-faq .faq-index li + li {
    margin-top: .12rem;
  }

  .page-faq .index-link {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-accordions > .faq-q-heading,
  .page-faq .accordion,
  .page-faq .accordion-trigger,
  .page-faq .faq-q-mark,
  .page-faq .index-link {
    transition: none;
  }

  .page-faq .faq-accordions > .faq-q-heading:hover,
  .page-faq .accordion:hover {
    transform: none;
  }
}