.page-faq {
  --faq-ink: rgba(245, 247, 250, .84);
  --faq-ink-soft: rgba(245, 247, 250, .66);
  padding-top: clamp(4.5rem, 10vw, 7rem);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
  background:
    radial-gradient(880px 460px at 90% -6%, rgba(34, 211, 238, .10), transparent 62%),
    radial-gradient(620px 380px at 4% 32%, rgba(255, 90, 31, .08), transparent 66%),
    var(--deep);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq__crumbs {
  padding-top: clamp(.5rem, 2vw, 1rem);
}

/* ---------- 首屏 ---------- */
.page-faq__hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 960px) {
  .page-faq__hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-faq__kicker {
  margin: 0 0 .6rem;
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-faq__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 6.6vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -.02em;
  transform: skewX(-4deg);
  transform-origin: 0 100%;
  padding-right: .35em;
}

.page-faq__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.06rem);
  line-height: 1.8;
  color: var(--faq-ink);
}

.page-faq__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

/* 状态板 */
.page-faq__statusboard {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--cyan);
  padding: 1.1rem 1.15rem 1.2rem;
}

.page-faq__statusboard-title {
  margin: 0 0 .85rem;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq__statuslist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-faq__statuslist li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .45rem .8rem;
  padding-bottom: .6rem;
  border-bottom: 1px dashed var(--line-faint);
}

.page-faq__statuslist li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq__statusnote {
  font-size: .8rem;
  color: var(--steel);
  text-align: right;
}

/* ---------- 主体布局 ---------- */
.page-faq__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.75rem, 4vw, 3rem);
}

@media (min-width: 1024px) {
  .page-faq__layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq__index {
    position: sticky;
    top: 6rem;
  }
}

.page-faq__index {
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  padding: .95rem;
}

.page-faq__index-title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq__indexlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-faq__indexlist a {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .6rem;
  font-size: .88rem;
  color: var(--steel);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq__indexlist a:hover,
.page-faq__indexlist a:focus-visible {
  color: var(--paper);
  border-left-color: var(--orange);
  background: var(--panel);
}

.page-faq__indexlist .u-mono {
  font-size: .72rem;
  color: rgba(138, 148, 168, .85);
}

.page-faq__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
  background: var(--steel);
}

.page-faq__dot--cyan { background: var(--cyan); }
.page-faq__dot--green { background: var(--green); }
.page-faq__dot--amber { background: var(--amber); }
.page-faq__dot--orange { background: var(--orange); }
.page-faq__dot--steel { background: var(--steel); }

/* ---------- 章节面板 ---------- */
.page-faq__content {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.75rem);
  min-width: 0;
}

.page-faq__section {
  padding: clamp(1.15rem, 3vw, 2rem);
}

.page-faq__text {
  margin: 1rem 0 0;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--faq-ink);
  max-width: 66ch;
}

.page-faq__text--tight {
  margin-top: .9rem;
  font-size: .92rem;
  color: var(--faq-ink-soft);
}

.page-faq__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
}

.page-faq__text a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-faq__split {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.9rem);
  margin-top: .35rem;
}

@media (min-width: 820px) {
  .page-faq__split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq__split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }

  .page-faq__split--reverse > figure {
    order: -1;
  }
}

.page-faq__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
}

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

.page-faq__figure .media-frame__tag {
  display: block;
  padding: .55rem .7rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--steel);
  border-top: 1px solid var(--line-faint);
}

/* ---------- 三步流程 ---------- */
.page-faq__flow {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

@media (min-width: 700px) {
  .page-faq__flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq__flowitem {
  position: relative;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--cyan);
  padding: .9rem .95rem 1rem;
}

.page-faq__flowitem:nth-child(2) { border-top-color: var(--orange); }
.page-faq__flowitem:nth-child(3) { border-top-color: var(--green); }

.page-faq__flownum {
  display: block;
  font-size: .78rem;
  color: var(--steel);
  letter-spacing: .1em;
}

.page-faq__flowitem h3 {
  margin: .3rem 0 .45rem;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq__flowitem p {
  margin: 0 0 .75rem;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* ---------- 步骤列表 ---------- */
.page-faq__steps {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq__steps li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .7rem;
  padding: .7rem .85rem;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--faq-ink);
  background: var(--panel-2);
  border: 1px solid var(--line-faint);
  border-left: 2px solid var(--line-soft);
}

.page-faq__steps li > span:nth-child(2) {
  flex: 1 1 14rem;
  min-width: 0;
}

.page-faq__steps strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq__stepnum {
  flex: none;
  font-size: .78rem;
  color: var(--orange);
}

.page-faq__steps--status li {
  border-left-color: var(--cyan);
}

/* ---------- 问题卡片 ---------- */
.page-faq__grid2 {
  display: grid;
  gap: .75rem;
  margin-top: 1.25rem;
}

@media (min-width: 640px) {
  .page-faq__grid2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq__card {
  padding: .9rem 1rem 1rem;
  background: var(--panel-2);
  border: 1px solid var(--line-faint);
  border-bottom: 2px solid rgba(34, 211, 238, .35);
}

.page-faq__cardtitle {
  margin: 0 0 .4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq__card p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* ---------- 可展开问答 ---------- */
.page-faq__qa {
  margin-top: .75rem;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq__qa[open] {
  background: var(--panel);
  border-color: rgba(255, 90, 31, .55);
}

.page-faq__q {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  padding: .85rem 1rem;
  font-size: .93rem;
  line-height: 1.6;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-faq__q::-webkit-details-marker { display: none; }
.page-faq__q::marker { content: ""; }

.page-faq__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq__qa[open] .page-faq__q::after {
  content: "−";
  color: var(--green);
}

.page-faq__qnum {
  flex: none;
  font-size: .72rem;
  color: var(--steel);
  padding-top: .25rem;
}

.page-faq__a {
  padding: 0 1rem 1rem 2.5rem;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

/* ---------- 提交清单 ---------- */
.page-faq__checklist {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq__checklist li {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .7rem .85rem;
  background: var(--panel-2);
  border: 1px solid var(--line-faint);
  border-right: 2px solid rgba(34, 211, 238, .3);
  font-size: .92rem;
  line-height: 1.75;
  color: var(--faq-ink);
}

.page-faq__checklist strong {
  color: var(--paper);
}

.page-faq__cnum {
  flex: none;
  font-size: .76rem;
  color: var(--cyan);
}

/* ---------- 验证清单与联系 ---------- */
.page-faq__verify {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-faq__verify li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: .62rem 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--faq-ink);
  border-bottom: 1px dashed var(--line-faint);
}

.page-faq__verify li::before {
  content: "✓";
  flex: none;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--green);
  line-height: 1.55;
}

.page-faq__contact {
  padding: 1.05rem 1.1rem 1.2rem;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
}

.page-faq__contacttitle {
  margin: 0 0 .85rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-faq .contact-list li {
  display: grid;
  gap: .1rem;
}

.page-faq .contact-list__label {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-faq .contact-list__value {
  font-size: .88rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq__contactnote {
  margin: .9rem 0 0;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq__contactnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
}

.page-faq__contactnote a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq__title {
    transform: none;
  }

  .page-faq__indexlist a,
  .page-faq__qa {
    transition: none;
  }
}