.page-faq {
  --faq-block-gap: clamp(30px, 5vw, 54px);
}

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(28px, 6vw, 62px)) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(70% 90% at 88% 6%, rgba(61, 240, 192, 0.14), transparent 62%),
    radial-gradient(55% 70% at 4% 100%, rgba(255, 138, 61, 0.1), transparent 66%);
}

.page-faq .faq-hero__title {
  margin: 0.22em 0 0.4em;
  max-width: 17ch;
  font-size: clamp(2.35rem, 8.4vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  color: var(--mist);
}

/* 三步排查 */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 22px 24px;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, rgba(11, 46, 38, 0.88), rgba(6, 30, 24, 0.55));
  overflow: hidden;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(61, 240, 192, 0));
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--score-white);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 非对称双栏 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(20px, 4vw, 40px);
}

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

.page-faq .faq-aside {
  align-self: start;
  top: calc(var(--header-h) + 22px);
}

.page-faq .faq-aside__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-aside__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.93rem;
  color: var(--mist);
  text-decoration: none;
  transition: background 0.22s var(--ease-out), color 0.22s var(--ease-out);
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  background: rgba(61, 240, 192, 0.1);
  color: var(--cyan-bright);
}

.page-faq .faq-aside__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
}

/* 筛选条 */
.page-faq .faq-filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-filterbar__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* 内容块 */
.page-faq .faq-block {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-block + .faq-block {
  margin-top: var(--faq-block-gap);
  padding-top: var(--faq-block-gap);
  border-top: 1px solid var(--rule-line);
}

.page-faq .faq-block__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-faq .faq-block__eyebrow span {
  color: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0 0 14px;
  max-width: 22ch;
}

.page-faq .faq-text--tight {
  margin-top: clamp(18px, 3vw, 26px);
}

/* 图片 */
.page-faq .faq-media {
  margin: clamp(20px, 3.4vw, 34px) 0;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-faq .faq-media--narrow {
  max-width: 640px;
}

/* 折叠问答 */
.page-faq .faq-qa-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-qa {
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(11, 46, 38, 0.6), rgba(6, 30, 24, 0.34));
  overflow: hidden;
  transition: border-color 0.24s var(--ease-out);
}

.page-faq .faq-qa[open] {
  border-color: rgba(61, 240, 192, 0.42);
}

.page-faq .faq-qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--score-white);
  transition: color 0.2s var(--ease-out);
}

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

.page-faq .faq-qa > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--cyan);
}

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

.page-faq .faq-qa > summary:hover {
  color: var(--cyan-bright);
}

.page-faq .faq-qa > summary:focus-visible {
  outline: 2px solid var(--cyan-bright);
  outline-offset: -3px;
}

.page-faq .faq-qa__body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--rule-line);
  margin-top: 2px;
}

.page-faq .faq-qa__body p {
  margin: 14px 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-qa__body a {
  color: var(--cyan-bright);
  text-decoration: underline;
  text-decoration-color: rgba(157, 255, 226, 0.4);
  text-underline-offset: 3px;
}

/* 入口卡片 */
.page-faq .faq-entry {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-faq .faq-entry__card {
  padding: 24px 22px 26px;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  background: var(--ink-panel);
}

.page-faq .faq-entry__card--alt {
  background: linear-gradient(150deg, rgba(61, 240, 192, 0.14), rgba(11, 46, 38, 0.92));
  border-color: rgba(61, 240, 192, 0.34);
}

.page-faq .faq-entry__badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.page-faq .faq-entry__card--alt .faq-entry__badge {
  background: var(--orange);
}

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

.page-faq .faq-entry__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

/* 提示块 */
.page-faq .faq-note {
  margin-top: clamp(16px, 2.6vw, 24px);
  padding: 16px 18px 16px 20px;
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(61, 240, 192, 0.12), rgba(61, 240, 192, 0.02));
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--score-white);
}

.page-faq .faq-note strong {
  color: var(--cyan-bright);
}

.page-faq .faq-note--warm {
  border-left-color: var(--orange);
  background: linear-gradient(120deg, rgba(255, 138, 61, 0.16), rgba(255, 138, 61, 0.03));
  color: var(--orange-soft);
}

.page-faq .faq-note--warm strong {
  color: var(--orange);
}

/* 时间线 */
.page-faq .faq-timeline {
  list-style: none;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--rule-line);
  display: grid;
  gap: 6px;
}

.page-faq .faq-timeline__item {
  position: relative;
  padding: 14px 0 16px;
}

.page-faq .faq-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(61, 240, 192, 0.14);
}

.page-faq .faq-timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 8px;
}

.page-faq .faq-timeline__name {
  margin: 0 0 8px;
  font-size: 1.06rem;
}

.page-faq .faq-timeline__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

/* 自查清单 */
.page-faq .faq-checklist {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-faq .faq-checklist__item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(11, 46, 38, 0.52);
  border: 1px solid var(--rule-line);
}

.page-faq .faq-checklist__mark {
  margin-top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 2px solid var(--cyan);
  background: rgba(61, 240, 192, 0.16);
}

.page-faq .faq-checklist__name {
  margin: 0 0 6px;
  font-size: 1.02rem;
}

.page-faq .faq-checklist__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 联系方式 */
.page-faq .faq-contact {
  margin-top: clamp(20px, 3.4vw, 28px);
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  background: var(--ink-panel);
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 20px;
  padding: 15px 20px;
  border-top: 1px solid var(--rule-line);
}

.page-faq .faq-contact__row:first-child {
  border-top: 0;
}

.page-faq .faq-contact__key {
  min-width: 82px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  color: var(--score-white);
  word-break: break-word;
}

/* 底部行动区 */
.page-faq .faq-cta {
  margin-top: clamp(40px, 7vw, 76px);
  border-top: 1px solid var(--rule-line);
  padding: clamp(32px, 5vw, 56px) 0 clamp(42px, 6vw, 76px);
  background: linear-gradient(180deg, rgba(2, 16, 12, 0), rgba(2, 16, 12, 0.55));
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  max-width: 20ch;
}

.page-faq .faq-cta__text {
  color: var(--mist);
}

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

/* 窄屏：左列转为横向滚动条 */
@media (max-width: 999px) {
  .page-faq .faq-aside {
    position: static;
    top: auto;
    overflow-x: auto;
    padding-bottom: 6px;
  }

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

  .page-faq .faq-aside__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    margin-top: 0;
  }

  .page-faq .faq-aside__link {
    border: 1px solid var(--rule-line);
    white-space: nowrap;
    padding: 8px 16px;
  }

  .page-faq .faq-aside::-webkit-scrollbar {
    height: 4px;
  }

  .page-faq .faq-aside::-webkit-scrollbar-thumb {
    background: var(--rule-line);
    border-radius: var(--radius-pill);
  }
}

@media (min-width: 640px) {
  .page-faq .faq-entry {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-checklist {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: 1fr auto;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(196px, 236px) 1fr;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-block__title {
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-qa,
  .page-faq .faq-aside__link,
  .page-faq .faq-qa > summary {
    transition: none;
  }
}