.page-faq {
  --faq-line: rgba(169, 184, 179, 0.22);
  --faq-line-strong: rgba(50, 245, 215, 0.34);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(28px, 4vw, 56px) clamp(40px, 5vw, 72px);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 82% 12%, rgba(50, 245, 215, 0.13), transparent 58%),
    radial-gradient(ellipse at 8% 88%, rgba(255, 106, 42, 0.1), transparent 60%);
  pointer-events: none;
}
.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero__frame {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  padding: clamp(20px, 3vw, 40px);
  border: 1px solid var(--frame);
  border-radius: 4px;
  background: linear-gradient(170deg, rgba(18, 53, 47, 0.72), rgba(7, 35, 30, 0.5));
  box-shadow: var(--shadow);
}
.page-faq .faq-hero__title {
  margin: 10px 0 0;
  color: var(--paper);
  line-height: 1.14;
}
.page-faq .faq-hero__lede {
  margin-top: 18px;
  color: var(--paper);
  opacity: 0.88;
}
.page-faq .faq-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-hero__points li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 15px;
  color: var(--mist);
}
.page-faq .faq-hero__point-no {
  flex: 0 0 auto;
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}
.page-faq .faq-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-hero__media {
  margin: 0;
  border-color: var(--faq-line-strong);
}
.page-faq .faq-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  min-height: 220px;
}
.page-faq .media-frame__caption {
  color: var(--mist);
}

/* ---------- 问题分类 ---------- */
.page-faq .faq-paths {
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-paths__head {
  max-width: 62ch;
}
.page-faq .faq-paths__intro {
  color: var(--mist);
  margin-top: 12px;
}
.page-faq .faq-paths__grid {
  display: grid;
  gap: var(--grid-gap);
  margin-top: clamp(24px, 3vw, 40px);
}
.page-faq .faq-path {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--press);
  color: #1d2a26;
  border: 1px solid rgba(14, 17, 16, 0.16);
  border-radius: 2px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.24);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-faq .faq-path:hover,
.page-faq .faq-path:focus-within {
  transform: translateY(-3px);
  box-shadow: 8px 10px 0 rgba(50, 245, 215, 0.22);
}
.page-faq .faq-path .label-card__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: #0f5c50;
  letter-spacing: 0.12em;
}
.page-faq .faq-path .label-card__title {
  font-family: var(--font-condensed);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #10201c;
  margin: 0;
}
.page-faq .faq-path .body-copy {
  font-size: 14px;
  line-height: 1.72;
  color: #35443f;
  margin: 0;
  flex: 1 1 auto;
}
.page-faq .faq-path .btn--quiet {
  align-self: flex-start;
  color: #0f5c50;
  padding: 4px 0;
  border-bottom: 1px solid #0f5c50;
  border-radius: 0;
  font-size: 14px;
}
.page-faq .faq-path .btn--quiet:hover {
  color: #b8430e;
  border-bottom-color: #b8430e;
}
.page-faq .faq-paths__media {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  border: 1px solid var(--faq-line);
}
.page-faq .faq-paths__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 高频问答 ---------- */
.page-faq .faq-list-section {
  scroll-margin-top: 96px;
}
.page-faq .faq-list-section__head {
  max-width: 64ch;
}
.page-faq .faq-list-section__head .body-copy {
  color: var(--mist);
  margin-top: 12px;
}
.page-faq .faq-filter {
  margin-top: clamp(24px, 3vw, 36px);
}
.page-faq .faq-filter .filter__bar {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--faq-line);
  border-radius: 3px;
  background: rgba(18, 53, 47, 0.55);
}
.page-faq .faq-filter .filter__input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid var(--frame);
  border-radius: 2px;
  background: rgba(7, 35, 30, 0.8);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
}
.page-faq .faq-filter .filter__input::placeholder {
  color: rgba(169, 184, 179, 0.8);
}
.page-faq .faq-filter .filter__input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-faq .faq-filter .filter__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-filter .filter__tag {
  padding: 7px 14px;
  border: 1px solid var(--frame);
  border-radius: 2px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.page-faq .faq-filter .filter__tag:hover {
  color: var(--paper);
  border-color: var(--faq-line-strong);
}
.page-faq .faq-filter .filter__tag[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #05201b;
  font-weight: 600;
}
.page-faq .faq-filter .filter__tag:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-accordion {
  margin-top: clamp(20px, 2.6vw, 32px);
  display: grid;
  gap: 10px;
}
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--slate);
  border-radius: 2px;
  background: rgba(14, 17, 16, 0.6);
  transition: border-color 0.22s ease, background 0.22s ease;
}
.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: rgba(18, 53, 47, 0.62);
}
.page-faq .faq-item:hover {
  border-left-color: var(--orange);
}
.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
}
.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 2px;
}
.page-faq .faq-item__q {
  flex: 1 1 auto;
  line-height: 1.55;
}
.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  position: relative;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 0.24s ease, background 0.24s ease;
}
.page-faq .faq-item__mark::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 2px;
}
.page-faq .faq-item__mark::after {
  top: 0;
  left: 5px;
  width: 2px;
  height: 12px;
}
.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
}
.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--orange);
}
.page-faq .faq-item__body {
  padding: 0 18px 18px 44px;
  border-top: 1px dashed var(--faq-line);
  margin-top: 2px;
  padding-top: 14px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .faq-item__body p {
  margin: 0 0 10px;
}
.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-filter__empty {
  margin-top: 8px;
  padding: 18px;
  border: 1px dashed var(--faq-line-strong);
  border-radius: 2px;
  color: var(--amber);
  font-size: 15px;
}

/* ---------- 排查流程 ---------- */
.page-faq .faq-troubleshoot {
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-troubleshoot__layout {
  display: grid;
  gap: clamp(28px, 3.6vw, 52px);
}
.page-faq .faq-troubleshoot__intro .body-copy {
  color: var(--mist);
  margin-top: 12px;
}
.page-faq .faq-troubleshoot__intro .btn {
  margin-top: 22px;
}
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: step;
}
.page-faq .faq-step {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--faq-line);
}
.page-faq .faq-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(50, 245, 215, 0.14);
}
.page-faq .faq-step__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-family: var(--font-condensed);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-faq .faq-step .body-copy {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  scroll-margin-top: 96px;
  background: var(--paper);
  color: #16241f;
}
.page-faq .faq-contact__layout {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
}
.page-faq .faq-contact__eyebrow {
  color: #0f5c50;
}
.page-faq .faq-contact__main .section-title {
  color: #10201c;
}
.page-faq .faq-contact__body {
  color: #35443f;
  margin-top: 12px;
  max-width: 58ch;
}
.page-faq .faq-contact__channels {
  margin-top: 26px;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(14, 17, 16, 0.18);
}
.page-faq .faq-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(14, 17, 16, 0.18);
}
.page-faq .faq-contact .contact-line__label {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #6a7a73;
  text-transform: uppercase;
}
.page-faq .faq-contact .contact-line__value {
  flex: 1 1 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: #10201c;
  word-break: break-all;
}
.page-faq .faq-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid #0f5c50;
  border-radius: 2px;
  background: transparent;
  color: #0f5c50;
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-contact .copy-btn:hover {
  background: #0f5c50;
  color: var(--paper);
}
.page-faq .faq-contact .copy-btn:focus-visible {
  outline: 2px solid #0d6f5e;
  outline-offset: 2px;
}
.page-faq .faq-contact .copy-btn.is-copied {
  border-color: #b8430e;
  color: #b8430e;
}
.page-faq .faq-contact .copy-btn__hint {
  display: none;
  font-size: 12px;
}
.page-faq .faq-contact .copy-btn.is-copied .copy-btn__hint {
  display: inline;
}
.page-faq .faq-contact__aside {
  background: rgba(232, 223, 200, 0.55);
  border: 1px solid rgba(14, 17, 16, 0.2);
  border-radius: 3px;
  padding: 22px;
  align-self: start;
}
.page-faq .faq-contact__aside .tag {
  display: inline-block;
  margin-bottom: 12px;
}
.page-faq .faq-contact__tip {
  margin: 0 0 18px;
  color: #35443f;
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .faq-contact__links {
  display: grid;
  gap: 10px;
}
.page-faq .faq-contact .footer-brand__link {
  color: #0f5c50;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 92, 80, 0.4);
  padding-bottom: 2px;
  justify-self: start;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-contact .footer-brand__link:hover {
  color: #b8430e;
  border-bottom-color: #b8430e;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-contact .contact-line__label {
    min-width: 92px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__frame {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
  .page-faq .faq-paths__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-paths__media .media-frame__img {
    max-height: 340px;
  }
  .page-faq .faq-troubleshoot__layout {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-contact__layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
  .page-faq .faq-item__summary {
    padding: 18px 22px;
  }
  .page-faq .faq-item__body {
    padding-left: 56px;
    padding-right: 22px;
  }
}