.page-faq {
  --fq-line: rgba(185, 195, 214, 0.22);
  --fq-line-strong: rgba(185, 195, 214, 0.4);
  --fq-cut: 16px;
  color: var(--c-gray);
}

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

.page-faq a {
  color: var(--c-orange);
}

.page-faq a:hover {
  color: var(--c-white);
}

/* ---------- 首屏框景 ---------- */
.page-faq .fq-hero {
  padding-top: clamp(24px, 5vw, 48px);
}

.page-faq .fq-frame {
  position: relative;
  margin-top: 22px;
  border: 1px solid var(--fq-line);
  background:
    linear-gradient(118deg, rgba(255, 122, 61, 0.13) 0%, rgba(255, 122, 61, 0) 46%),
    repeating-linear-gradient(112deg, rgba(227, 180, 92, 0.07) 0 1px, transparent 1px 26px),
    linear-gradient(180deg, var(--c-ink-2) 0%, var(--c-ink) 100%);
  padding: clamp(26px, 6vw, 64px) clamp(20px, 5vw, 58px);
  overflow: hidden;
}

.page-faq .fq-frame::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at center, rgba(255, 122, 61, 0.3) 0%, rgba(255, 122, 61, 0) 68%);
  pointer-events: none;
}

.page-faq .fq-frame-inner {
  position: relative;
  max-width: 62ch;
}

.page-faq .fq-tick {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--c-sand);
  pointer-events: none;
}

.page-faq .fq-tick--a {
  left: -1px;
  top: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .fq-tick--b {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .fq-title {
  font-family: var(--font-title);
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.24;
  color: var(--c-white);
  margin: 14px 0 18px;
  letter-spacing: 0.01em;
}

.page-faq .fq-lead {
  font-size: 16px;
  line-height: var(--lh-body);
  margin: 0 0 30px;
  color: var(--c-gray);
}

.page-faq .fq-facts {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .fq-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--c-orange);
}

.page-faq .fq-fact-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-sand);
  line-height: 1;
}

.page-faq .fq-fact-txt {
  font-size: 15px;
  color: var(--c-gray);
}

.page-faq .fq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .fq-actions--end {
  margin-top: 26px;
}

/* ---------- 场景速查 ---------- */
.page-faq .fq-tabs {
  margin-top: 34px;
}

.page-faq .fq-tablist {
  position: relative;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--fq-line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .fq-tablist .tab {
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--c-gray);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: var(--track);
  padding: 11px 18px;
  cursor: pointer;
  white-space: nowrap;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .fq-tablist .tab:hover {
  color: var(--c-white);
  background: rgba(255, 122, 61, 0.08);
}

.page-faq .fq-tablist .tab[aria-selected="true"] {
  background: var(--c-orange-soft);
  border-color: rgba(255, 122, 61, 0.5);
  color: var(--c-white);
}

.page-faq .fq-tablist .tabs-indicator {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--c-orange);
  transition: transform var(--dur) var(--ease), width var(--dur) var(--ease);
}

.page-faq .fq-panels {
  margin-top: 28px;
}

.page-faq .tab-panel[hidden] {
  display: none;
}

.page-faq .fq-panel-grid {
  display: grid;
  gap: 24px;
}

.page-faq .fq-panel-lead p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.72;
  color: var(--c-white);
}

.page-faq .fq-jump {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: var(--track);
  color: var(--c-orange);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255, 122, 61, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .fq-jump:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

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

.page-faq .fq-check li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-faq .fq-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 1px solid rgba(63, 191, 159, 0.6);
  background: rgba(63, 191, 159, 0.1);
}

.page-faq .fq-check li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 7px;
  height: 4px;
  border-left: 2px solid var(--c-jade);
  border-bottom: 2px solid var(--c-jade);
  transform: rotate(-45deg);
}

/* ---------- 分步清单 ---------- */
.page-faq .fq-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-faq .fq-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0 12px;
  padding-bottom: 24px;
}

.page-faq .fq-step:last-child {
  padding-bottom: 0;
}

.page-faq .fq-step-num {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-sand);
  padding-top: 5px;
}

.page-faq .fq-step-body {
  border-left: 1px solid var(--fq-line);
  padding-left: 18px;
  padding-bottom: 2px;
}

.page-faq .fq-step-title {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-white);
  line-height: 1.5;
}

.page-faq .fq-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-gray);
}

.page-faq .fq-steps--tight .fq-step-body p {
  max-width: 60ch;
}

/* ---------- 图片 ---------- */
.page-faq .fq-figure {
  margin: 30px 0 0;
}

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

.page-faq .media-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-gray);
}

/* ---------- 换设备三种情形 ---------- */
.page-faq .fq-devices {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-faq .fq-device {
  padding: 22px 20px;
}

.page-faq .fq-device-title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: var(--track);
  color: var(--c-orange);
}

.page-faq .fq-device p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-gray);
}

/* ---------- 说明段 ---------- */
.page-faq .fq-note {
  margin: 28px 0 0;
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-gray);
  background: rgba(24, 42, 77, 0.7);
  border-left: 3px solid var(--c-jade);
}

.page-faq .fq-switch-main,
.page-faq .fq-find > .rail-label + div {
  min-width: 0;
}

/* ---------- 价格与周期 ---------- */
.page-faq .fq-price-grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-faq .fq-price-card {
  padding: 24px 22px;
}

.page-faq .fq-price-title {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-white);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--fq-line);
}

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

.page-faq .fq-plain li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-gray);
}

.page-faq .fq-plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--c-sand);
}

.page-faq .fq-plain-key {
  display: inline-block;
  min-width: 3.2em;
  color: var(--c-sand);
  font-size: 13px;
}

.page-faq .fq-price-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-gray);
}

.page-faq .fq-price-text:last-child {
  margin-bottom: 0;
}

.page-faq .fq-misread {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--fq-line);
}

.page-faq .fq-misread-title {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-white);
}

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

.page-faq .fq-misread-list li {
  position: relative;
  padding: 14px 18px 14px 46px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-gray);
  background: rgba(255, 122, 61, 0.07);
  clip-path: polygon(var(--fq-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--fq-cut));
}

.page-faq .fq-misread-list li::before {
  content: "!";
  position: absolute;
  left: 18px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-orange);
}

/* ---------- 入口对照 ---------- */
.page-faq .fq-groups {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-faq .fq-group {
  padding: 22px 20px;
}

.page-faq .fq-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
}

.page-faq .fq-group-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 12px;
  color: var(--c-ink);
  background: var(--c-sand);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-faq .fq-group-list {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--c-gray);
}

.page-faq .fq-group-list li::marker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-sand);
}

/* ---------- 联系 ---------- */
.page-faq .fq-contact-card {
  position: relative;
  padding: clamp(24px, 5vw, 48px);
  background:
    linear-gradient(200deg, rgba(255, 122, 61, 0.14) 0%, rgba(255, 122, 61, 0) 52%),
    var(--c-ink-2);
  border: 1px solid var(--fq-line);
  clip-path: polygon(28px 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%, 0 28px);
}

.page-faq .fq-contact-lead {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: var(--lh-body);
  color: var(--c-gray);
}

.page-faq .fq-contacts {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .fq-contacts .contact-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--fq-line);
}

.page-faq .fq-contacts .contact-label {
  font-size: 13px;
  letter-spacing: var(--track);
  color: var(--c-sand);
}

.page-faq .fq-contacts .contact-value {
  font-size: 16px;
  color: var(--c-white);
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .fq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .fq-devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .fq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .fq-contacts .contact-item {
    grid-template-columns: 8em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .fq-frame-inner {
    max-width: 68ch;
  }

  .page-faq .fq-panel-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .fq-price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .fq-step {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 0 16px;
    padding-bottom: 28px;
  }

  .page-faq .fq-step-body {
    padding-left: 24px;
  }
}

@media (min-width: 1100px) {
  .page-faq .fq-groups {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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