.page-faq {
  --faq-pad: clamp(20px, 5vw, 56px);
  --faq-gap: clamp(18px, 4vw, 40px);
  --faq-sand-deep: #7d5f28;
  --faq-ink-text: #33485c;
  position: relative;
  color: var(--paper-050);
  background:
    radial-gradient(1100px 520px at 86% -8%, rgba(95, 208, 192, 0.10), transparent 62%),
    radial-gradient(900px 460px at 4% 42%, rgba(240, 102, 43, 0.06), transparent 66%),
    var(--ink-950);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: clip;
}

.page-faq .faq-crumb {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

.page-faq .breadcrumb a {
  color: var(--mist-400);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan-300);
}

.page-faq .breadcrumb li[aria-current] {
  color: var(--sand-500);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 52px) 0 clamp(38px, 6vw, 76px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-faq .faq-hero__copy .label {
  color: var(--sand-500);
  margin-bottom: 14px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper-050);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--mist-400);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-hero__meta {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--mist-600);
}

.page-faq .faq-hero__meta .mono {
  color: var(--celadon-100);
}

.page-faq .faq-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-faq .figure__frame {
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: linear-gradient(158deg, var(--ink-800), var(--ink-900) 68%, var(--ink-950));
  box-shadow: var(--paper-shadow);
}

.page-faq .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-xs);
}

.page-faq .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--mist-600);
}

/* 分区标题 */
.page-faq .faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head .section-head__title {
  margin: 0;
  font-size: clamp(21px, 3.1vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-faq .faq-head .section-head__aside {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand-500);
}

/* 状态判断 */
.page-faq .faq-status {
  padding: clamp(34px, 5vw, 68px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-status__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-status__item {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-bar, var(--mist-400));
  border-radius: var(--r-sm);
  background: var(--ink-900);
  box-shadow: var(--paper-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-status__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--paper-shadow-lift);
}

.page-faq .faq-status__item--ok { --faq-bar: var(--celadon-600); }
.page-faq .faq-status__item--warn { --faq-bar: var(--signal-500); }
.page-faq .faq-status__item--alert { --faq-bar: var(--alert-500); }
.page-faq .faq-status__item--signal { --faq-bar: var(--sand-500); }

.page-faq .faq-chip {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: var(--r-xs);
  color: var(--mist-400);
}

.page-faq .faq-chip--ok {
  color: var(--celadon-100);
  background: rgba(46, 140, 126, 0.14);
}

.page-faq .faq-chip--warn {
  color: var(--signal-100);
  background: rgba(240, 102, 43, 0.14);
}

.page-faq .faq-chip--alert {
  color: var(--alert-100);
  background: rgba(210, 84, 74, 0.16);
}

.page-faq .faq-chip--signal {
  color: var(--sand-100);
  background: rgba(199, 161, 90, 0.14);
}

.page-faq .faq-status__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper-050);
}

.page-faq .faq-status__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* 四步排查 */
.page-faq .faq-steps {
  padding: clamp(34px, 5vw, 68px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-steps__figure {
  margin: 0 0 clamp(22px, 4vw, 40px);
}

.page-faq .faq-steps__list {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  z-index: 1;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-800);
  box-shadow: var(--paper-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-steps__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--paper-shadow-lift);
}

.page-faq .faq-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border: 1px solid var(--sand-500);
  border-radius: var(--r-xs);
  background: var(--ink-950);
  color: var(--sand-100);
  font-size: 13px;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-steps__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--paper-050);
}

.page-faq .faq-steps__acts {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps__acts li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-200);
}

.page-faq .faq-steps__acts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--cyan-300);
}

.page-faq .faq-steps__acts a {
  color: var(--cyan-300);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-steps__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--celadon-100);
}

/* 常见问题（浅色大色块） */
.page-faq .faq-qa {
  padding: clamp(34px, 5vw, 68px) 0;
  background: var(--paper-050);
  color: var(--ink-950);
  border-top: 1px solid var(--paper-200);
  border-bottom: 1px solid var(--paper-200);
}

.page-faq .faq-qa .faq-head {
  border-bottom-color: var(--paper-200);
}

.page-faq .faq-qa .faq-head .section-head__title {
  color: var(--ink-950);
}

.page-faq .faq-qa .faq-head .section-head__aside {
  color: var(--faq-sand-deep);
}

.page-faq .faq-qa__grid {
  display: grid;
  gap: 12px;
  align-items: start;
}

.page-faq .faq-qa__item {
  border: 1px solid var(--paper-200);
  border-radius: var(--r-sm);
  background: #fff;
  box-shadow: 0 1px 0 rgba(8, 23, 38, 0.05), 0 2px 0 rgba(8, 23, 38, 0.03);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-qa__item[open] {
  border-color: rgba(46, 140, 126, 0.6);
}

.page-faq .faq-qa__item > summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--ink-900);
}

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

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

.page-faq .faq-qa__item > summary::after {
  content: "+";
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.3;
  color: var(--signal-500);
}

.page-faq .faq-qa__item[open] > summary::after {
  content: "−";
  color: var(--celadon-600);
}

.page-faq .faq-qa__tag {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid var(--paper-200);
  border-radius: var(--r-xs);
  background: var(--paper-050);
  color: #5a6a78;
}

.page-faq .faq-qa__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-qa__a {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--faq-ink-text);
}

.page-faq .faq-qa__a p {
  margin: 0;
}

.page-faq .faq-qa__a a {
  color: #1f6b60;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-qa__a a:hover {
  color: var(--signal-500);
}

/* 提交前检查表 */
.page-faq .faq-check {
  padding: clamp(34px, 5vw, 68px) 0;
}

.page-faq .faq-check__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-check__intro .label {
  color: var(--sand-500);
  margin-bottom: 12px;
}

.page-faq .faq-check__intro h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 3.1vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-faq .faq-check__lead {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-faq .faq-check__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-900);
  box-shadow: var(--paper-shadow);
  overflow: hidden;
}

.page-faq .faq-check__row {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-check__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-check__row label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .faq-check__row label:hover {
  background: rgba(147, 166, 184, 0.06);
}

.page-faq .faq-check__row input {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--mist-600);
  border-radius: 2px;
  background: transparent;
}

.page-faq .faq-check__row input:checked {
  background: var(--celadon-600);
  border-color: var(--celadon-600);
}

.page-faq .faq-check__row input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 9px;
  border: 2px solid #fff;
  border-top: 0;
  border-left: 0;
  transform: rotate(40deg);
}

.page-faq .faq-check__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sand-500);
}

.page-faq .faq-check__text {
  min-width: 0;
  color: var(--paper-200);
}

.page-faq .faq-check__row input:checked ~ .faq-check__text {
  color: var(--celadon-100);
}

/* 联系路径 */
.page-faq .faq-contact {
  padding: clamp(10px, 2vw, 20px) 0 clamp(34px, 5vw, 68px);
}

.page-faq .faq-contact__panel {
  position: relative;
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid rgba(199, 161, 90, 0.42);
  border-radius: var(--r-sm);
  background: linear-gradient(152deg, var(--ink-800), var(--ink-900) 58%, var(--ink-950));
  box-shadow: var(--paper-shadow);
}

.page-faq .faq-contact__main .label {
  color: var(--sand-500);
  margin-bottom: 12px;
}

.page-faq .faq-contact__main h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 3.1vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-faq .faq-contact__main p {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-faq .faq-contact__main p .mono {
  color: var(--celadon-100);
}

.page-faq .faq-contact__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .faq-contact__k {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--sand-500);
}

.page-faq .faq-contact__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-200);
  word-break: break-word;
}

.page-faq .faq-contact__list .copy-btn {
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--paper-050);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-contact__list .copy-btn:hover {
  border-color: var(--cyan-300);
  color: var(--cyan-300);
}

.page-faq .faq-contact__note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist-600);
}

/* 尾部返回入口 */
.page-faq .faq-return {
  padding: 0 0 clamp(10px, 2vw, 20px);
}

.page-faq .faq-return__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(18px, 3vw, 26px) clamp(18px, 3vw, 28px);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-sm);
  background: rgba(16, 40, 61, 0.62);
}

.page-faq .faq-return__text {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-400);
}

/* 常驻浮标 */
.page-faq .faq-float {
  position: fixed;
  right: clamp(12px, 2.5vw, 24px);
  bottom: clamp(84px, 13vw, 104px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border-radius: var(--r-pill);
  background: var(--signal-500);
  color: #210d04;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 22px -12px rgba(0, 0, 0, 0.92);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-float:hover {
  transform: translateY(-3px);
  background: var(--signal-100);
}

.page-faq .faq-float__mark {
  font-size: 14px;
  line-height: 1;
}

/* 响应式 */
@media (min-width: 620px) {
  .page-faq .faq-status__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .faq-qa__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
    row-gap: 14px;
  }

  .page-faq .faq-qa__item:nth-child(even) {
    margin-top: 26px;
  }

  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-status__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-steps__list::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 38px;
    height: 1px;
    background: linear-gradient(90deg, var(--celadon-600), var(--signal-500) 58%, var(--sand-500));
    opacity: 0.55;
    z-index: 0;
  }
}

@media (max-width: 559px) {
  .page-faq .faq-float {
    padding: 10px 12px;
  }

  .page-faq .faq-float__text {
    display: none;
  }

  .page-faq .faq-float__mark {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-status__item,
  .page-faq .faq-steps__item,
  .page-faq .faq-float,
  .page-faq .faq-qa__item {
    transition: none;
  }

  .page-faq .faq-status__item:hover,
  .page-faq .faq-steps__item:hover,
  .page-faq .faq-float:hover {
    transform: none;
  }
}