.page-faq {
  --faq-ink-line: rgba(11, 30, 58, 0.12);
  --faq-ink-line-soft: rgba(11, 30, 58, 0.08);
  --faq-deep-text: #33445c;
  --faq-gap: clamp(28px, 4vw, 56px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--spx-deep);
  color: var(--spx-mist);
  padding: calc(var(--spx-header-h) + 48px) 0 clamp(64px, 9vw, 110px);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(114deg, transparent 0 56%, rgba(255, 90, 31, 0.18) 56% 71%, transparent 71%),
    linear-gradient(114deg, transparent 0 74%, rgba(42, 47, 107, 0.62) 74% 100%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.page-faq .faq-hero .spx-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--spx-silver);
}

.page-faq .faq-hero .spx-crumbs a {
  color: var(--spx-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.24s var(--spx-ease), color 0.24s var(--spx-ease);
}

.page-faq .faq-hero .spx-crumbs a:hover,
.page-faq .faq-hero .spx-crumbs a:focus-visible {
  color: var(--spx-lime);
  border-bottom-color: var(--spx-lime);
}

.page-faq .faq-hero__title {
  margin: 12px 0 20px;
  font-family: var(--spx-font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  color: var(--spx-orange);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-faq .faq-hero__media {
  margin: 0;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* ---------- 速查索引 ---------- */

.page-faq .faq-hot {
  position: relative;
  overflow: hidden;
  background: var(--spx-mist);
  color: var(--spx-ink);
  padding: clamp(52px, 7vw, 92px) 0;
}

.page-faq .faq-hot::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 90, 31, 0.32);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-hot__head {
  max-width: 620px;
  margin-bottom: 34px;
}

.page-faq .faq-hot__head h2 {
  margin: 10px 0 10px;
  font-family: var(--spx-font-head);
  font-weight: 900;
  font-size: clamp(23px, 3vw, 34px);
  letter-spacing: -0.01em;
  line-height: 1.22;
  color: var(--spx-deep);
}

.page-faq .faq-hot__note {
  margin: 0;
  color: var(--faq-deep-text);
  line-height: 1.75;
}

.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid var(--faq-ink-line-soft);
  border-left: 3px solid var(--spx-orange);
  color: var(--spx-deep);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform 0.28s var(--spx-ease), border-color 0.28s var(--spx-ease),
    box-shadow 0.28s var(--spx-ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  transform: translateY(-4px);
  border-color: var(--spx-lime);
  box-shadow: 0 14px 28px -20px rgba(11, 30, 58, 0.72);
}

.page-faq .faq-index__item:focus-visible {
  outline: 2px solid var(--spx-lime);
  outline-offset: 2px;
}

.page-faq .faq-index__ring {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
}

.page-faq .faq-index__ring svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-faq .faq-index__track {
  fill: none;
  stroke: rgba(11, 30, 58, 0.14);
  stroke-width: 2;
}

.page-faq .faq-index__arc {
  fill: none;
  stroke: var(--spx-orange);
  stroke-width: 2;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke 0.28s var(--spx-ease);
}

.page-faq .faq-index__item:hover .faq-index__arc,
.page-faq .faq-index__item:focus-visible .faq-index__arc {
  stroke: var(--spx-teal);
}

.page-faq .faq-index__num {
  font-family: var(--spx-font-data);
  font-size: 13px;
  font-weight: 700;
  fill: var(--spx-deep);
}

.page-faq .faq-index__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}

/* ---------- 分组骨架 ---------- */

.page-faq .faq-block {
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-block--plain {
  background: #ffffff;
}

.page-faq .faq-block--mist {
  background: var(--spx-mist);
}

.page-faq .faq-block--teal {
  background: var(--spx-teal);
  color: var(--spx-mist);
}

.page-faq .faq-group {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .faq-group__aside {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding-left: 14px;
}

.page-faq .faq-group__aside::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 2px;
  background: linear-gradient(180deg, var(--spx-orange), rgba(255, 90, 31, 0));
}

.page-faq .faq-group__num {
  font-family: var(--spx-font-data);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--spx-orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--spx-font-head);
  font-weight: 900;
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--spx-deep);
}

.page-faq .faq-list {
  margin-top: 18px;
  border-top: 1px solid var(--faq-ink-line);
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-ink-line);
  scroll-margin-top: calc(var(--spx-header-h) + 28px);
  transition: background 0.28s var(--spx-ease);
}

.page-faq .faq-item:target {
  background: rgba(69, 240, 140, 0.12);
  box-shadow: inset 3px 0 0 var(--spx-lime);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 10px 20px 0;
  font-family: var(--spx-font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.55;
  color: var(--spx-deep);
  cursor: pointer;
  list-style: none;
  transition: color 0.24s var(--spx-ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--spx-orange);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--spx-lime);
  outline-offset: 2px;
}

.page-faq .faq-item__marker {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: 8px;
  border: 2px solid var(--spx-orange);
  transform: rotate(45deg);
  transition: transform 0.24s var(--spx-ease), background 0.24s var(--spx-ease),
    border-color 0.24s var(--spx-ease);
}

.page-faq .faq-item[open] .faq-item__marker {
  background: var(--spx-lime);
  border-color: var(--spx-lime);
  transform: rotate(135deg);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--spx-orange);
}

.page-faq .faq-item__a {
  padding: 0 0 22px 25px;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-deep-text);
}

/* 深色分组内的适配 */

.page-faq .faq-block--teal .faq-group__aside::before {
  background: linear-gradient(180deg, var(--spx-lime), rgba(69, 240, 140, 0));
}

.page-faq .faq-block--teal .faq-group__num {
  color: var(--spx-lime);
}

.page-faq .faq-block--teal .faq-group__title {
  color: var(--spx-mist);
}

.page-faq .faq-block--teal .faq-list {
  border-top-color: rgba(199, 206, 216, 0.26);
}

.page-faq .faq-block--teal .faq-item {
  border-bottom-color: rgba(199, 206, 216, 0.26);
}

.page-faq .faq-block--teal .faq-item__q {
  color: var(--spx-mist);
}

.page-faq .faq-block--teal .faq-item__q:hover,
.page-faq .faq-block--teal .faq-item[open] .faq-item__q {
  color: var(--spx-lime);
}

.page-faq .faq-block--teal .faq-item__a p {
  color: rgba(244, 247, 251, 0.82);
}

.page-faq .faq-block--teal .faq-item:target {
  background: rgba(69, 240, 140, 0.1);
}

/* ---------- 步骤图 ---------- */

.page-faq .faq-figure {
  margin: 28px 0 0;
  max-width: 420px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--faq-ink-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-family: var(--spx-font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--spx-teal);
}

/* ---------- 收束 ---------- */

.page-faq .faq-contact {
  background: var(--spx-indigo);
  color: var(--spx-mist);
  padding: clamp(48px, 6vw, 88px) 0;
}

.page-faq .faq-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-contact__title {
  margin: 10px 0 14px;
  font-family: var(--spx-font-head);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--spx-mist);
}

.page-faq .faq-contact__text {
  margin: 0;
  max-width: 60ch;
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.82);
}

.page-faq .faq-contact__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-faq .faq-contact__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(7, 12, 20, 0.36);
  border-left: 3px solid var(--spx-orange);
  max-width: 100%;
}

.page-faq .faq-contact__mail .spx-contact__value {
  font-family: var(--spx-font-data);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--spx-lime);
  word-break: break-all;
  min-width: 0;
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.72);
  max-width: 46ch;
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-group {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-faq .faq-group__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-left: 18px;
    padding-top: 2px;
  }

  .page-faq .faq-group__num {
    font-size: clamp(40px, 4.4vw, 58px);
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .faq-item__marker,
  .page-faq .faq-index__arc {
    transition: none;
  }

  .page-faq .faq-index__item:hover,
  .page-faq .faq-index__item:focus-visible {
    transform: none;
  }
}