.page-faq {
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(56px, 7vw, 104px);
  color: var(--mist);
  font-family: var(--font-body);
  background:
    radial-gradient(120% 55% at 88% 0%, rgba(53, 242, 192, 0.10), transparent 62%),
    radial-gradient(85% 45% at 2% 20%, rgba(199, 255, 74, 0.07), transparent 60%);
}

.page-faq .breadcrumb {
  margin-top: clamp(20px, 3.4vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  padding: clamp(26px, 4.4vw, 56px) 0 clamp(38px, 5vw, 68px);
}

.page-faq .faq-intro__grid {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}

.page-faq .faq-intro__main {
  min-width: 0;
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-h1 {
  margin: 0 0 clamp(16px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .faq-h1__accent {
  color: var(--lime);
  box-shadow: inset 0 -0.14em 0 rgba(255, 122, 47, 0.5);
}

.page-faq .faq-lede {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(232, 242, 236, 0.82);
}

.page-faq .faq-jump {
  padding: clamp(14px, 2vw, 20px);
  border-radius: var(--r);
  min-width: 0;
}

.page-faq .faq-jump__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-faq .faq-jump__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-jump__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  color: rgba(232, 242, 236, 0.86);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-jump__link > span:nth-child(2) {
  min-width: 0;
}

.page-faq .faq-jump__link:hover {
  background: var(--glass-2);
  border-color: rgba(199, 255, 74, 0.42);
  color: var(--mist);
}

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

.page-faq .faq-jump__no {
  flex: none;
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.08em;
}

.page-faq .faq-dot {
  flex: none;
  margin-left: auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 192, 0.16);
}

/* ---------- 分组 ---------- */
.page-faq .faq-body {
  padding-top: clamp(6px, 1.4vw, 16px);
}

.page-faq .faq-group {
  position: relative;
  padding: clamp(36px, 5vw, 64px) 0;
  border-top: 1px solid var(--line-2);
  scroll-margin-top: 96px;
}

.page-faq .faq-group::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(64px, 14vw, 170px);
  height: 2px;
  background: linear-gradient(90deg, var(--lime), rgba(199, 255, 74, 0));
  transform: skewX(-24deg);
  transform-origin: left center;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-group__no {
  font-size: clamp(11.5px, 1.4vw, 13px);
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-group__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-group__grid > * {
  min-width: 0;
}

.page-faq .faq-group__items {
  display: grid;
  align-content: start;
}

/* ---------- 问答条 ---------- */
.page-faq .faq-item {
  margin: 0 0 10px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--glass);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-item:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  background: var(--glass-2);
  border-color: rgba(199, 255, 74, 0.38);
}

.page-faq .faq-item[open] {
  background: rgba(12, 58, 46, 0.55);
  border-color: rgba(199, 255, 74, 0.5);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 1.8vw, 18px) clamp(14px, 2vw, 20px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--mist);
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: var(--r);
}

.page-faq .faq-q__no {
  flex: none;
  padding: 2px 8px;
  border: 1px solid rgba(53, 242, 192, 0.3);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-q__mark {
  position: relative;
  justify-self: end;
  width: 16px;
  height: 16px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-q__mark::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-q__mark::after {
  transform: scaleY(0);
}

/* ---------- 答案 ---------- */
.page-faq .faq-a {
  position: relative;
  border-top: 1px solid var(--line-2);
  padding: clamp(14px, 1.8vw, 18px) clamp(14px, 2vw, 20px) clamp(16px, 2vw, 22px) clamp(38px, 5vw, 50px);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 242, 236, 0.8);
}

.page-faq .faq-a::before {
  content: "";
  position: absolute;
  left: clamp(18px, 2.4vw, 24px);
  top: clamp(15px, 1.8vw, 19px);
  bottom: clamp(18px, 2.2vw, 24px);
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--lime), rgba(199, 255, 74, 0.08));
  transform: scaleY(0.4);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-a::before {
  transform: scaleY(1);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .step-list {
  counter-reset: step;
  list-style: none;
  margin: 14px 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .step-list > li {
  position: relative;
  padding-left: 40px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(232, 242, 236, 0.76);
  transition: color var(--dur) var(--ease);
}

.page-faq .step-list > li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 1px 6px;
  border: 1px solid rgba(199, 255, 74, 0.32);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--lime);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step-list > li:hover {
  color: var(--mist);
}

.page-faq .step-list > li:hover::before {
  background: rgba(199, 255, 74, 0.14);
  border-color: var(--lime);
}

.page-faq .faq-bound {
  margin: 12px 0 0;
  padding: 9px 12px;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 122, 47, 0.08);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(232, 242, 236, 0.78);
}

.page-faq .faq-copyrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px dashed rgba(232, 242, 236, 0.2);
  border-radius: var(--r-sm);
  min-width: 0;
}

.page-faq .faq-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-faq .faq-code--mail {
  color: var(--cyan);
}

/* ---------- 跨屏提示块 ---------- */
.page-faq .faq-break {
  padding: clamp(30px, 4vw, 52px) 0;
  border-top: 1px solid var(--line-2);
}

.page-faq .faq-break__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-faq .faq-break__grid > * {
  min-width: 0;
}

.page-faq .faq-break__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-break__text p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 242, 236, 0.8);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-media {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-media .media-frame {
  width: 100%;
}

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

.page-faq .faq-media .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(40px, 5vw, 72px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: rgba(12, 58, 46, 0.45);
}

.page-faq .faq-outro__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.25;
}

.page-faq .faq-outro__text {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 242, 236, 0.8);
}

.page-faq .faq-outro__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-outro__text a:hover {
  color: var(--lime);
}

.page-faq .faq-outro .faq-copyrow {
  margin-top: 0;
}

.page-faq .faq-return {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
  padding: 16px clamp(16px, 2.4vw, 24px);
  border: 1px solid rgba(199, 255, 74, 0.35);
  border-radius: var(--r);
  background: linear-gradient(100deg, rgba(199, 255, 74, 0.13), rgba(53, 242, 192, 0.05) 58%, transparent);
  text-decoration: none;
  color: var(--mist);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-return:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
}

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

.page-faq .faq-return__label {
  flex: none;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(199, 255, 74, 0.14);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-faq .faq-return__text {
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
}

.page-faq .faq-return__arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-group__head {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: clamp(16px, 2.4vw, 30px);
    row-gap: 8px;
  }

  .page-faq .faq-group__no {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 6px;
    writing-mode: vertical-rl;
    letter-spacing: 0.22em;
  }

  .page-faq .faq-group__title,
  .page-faq .faq-group__note {
    grid-column: 2;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    column-gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-break__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: center;
    column-gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-group__grid--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-return,
  .page-faq .faq-a::before,
  .page-faq .faq-q__mark::after,
  .page-faq .step-list > li,
  .page-faq .step-list > li::before {
    transition: none;
  }

  .page-faq .faq-item:hover,
  .page-faq .faq-return:hover {
    transform: none;
  }
}