.page-faq {
  --faq-border: rgba(230, 237, 243, 0.1);
  --faq-line: rgba(230, 237, 243, 0.14);
  --faq-soft-text: #9DB2C6;
  --faq-hero-glow: rgba(255, 107, 53, 0.2);
  background: var(--clr-bg);
  color: var(--clr-text);
  overflow-x: hidden;
}

.page-faq .content-wrap {
  padding-left: 20px;
  padding-right: 20px;
}

/* ===== Hero 区 ===== */
.page-faq .faq-hero {
  position: relative;
  background: var(--clr-bg);
  padding: 36px 0 48px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -160px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, var(--faq-hero-glow), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: var(--grad-fire);
  opacity: 0.85;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-breadcrumbs {
  margin-bottom: 28px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border-left: 3px solid var(--clr-accent);
  padding-left: 12px;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(32px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--clr-white);
}

.page-faq .faq-hero__title-accent {
  background: var(--grad-fire);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text-2);
  max-width: 640px;
}

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

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-faq .faq-hero__stat {
  padding: 12px 18px;
  background: var(--clr-card);
  border-left: 3px solid var(--clr-accent);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-hero__stat-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--clr-white);
}

.page-faq .faq-hero__stat-label {
  font-size: 13px;
  color: var(--clr-text-2);
}

.page-faq .faq-hero__side {
  position: relative;
}

.page-faq .faq-contact-card {
  background: var(--clr-card);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-contact-card__img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  object-position: center;
}

.page-faq .faq-contact-card__body {
  padding: 20px;
}

.page-faq .faq-contact-card__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--clr-white);
}

.page-faq .faq-contact-card__line {
  margin: 6px 0;
  font-size: 15px;
  color: var(--clr-text);
  word-break: break-all;
}

.page-faq .faq-contact-card__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-border);
  font-size: 14px;
  color: var(--clr-text-2);
  line-height: 1.6;
}

/* ===== 章节公共 ===== */
.page-faq .faq-section-head {
  margin-bottom: 32px;
}

.page-faq .faq-section-head .section-label {
  margin-bottom: 12px;
}

.page-faq .faq-section-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--clr-white);
}

.page-faq .faq-section-head p:last-child {
  margin-bottom: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text-2);
}

/* ===== 新手引导 ===== */
.page-faq .faq-guide {
  background: var(--clr-panel);
  padding: 56px 0;
  position: relative;
}

.page-faq .faq-guide::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.12), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-guide__layout {
  display: grid;
  gap: 32px;
  position: relative;
  z-index: 1;
}

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

.page-faq .faq-step {
  list-style: none;
}

.page-faq .faq-step__details {
  background: var(--clr-card);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
  position: relative;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-step__details[open] {
  border-color: rgba(255, 107, 53, 0.45);
}

.page-faq .faq-step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.page-faq .faq-step__num {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--grad-fire);
  color: var(--clr-white);
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.page-faq .faq-step__title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--clr-white);
}

.page-faq .faq-step__head::after {
  content: "+";
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 22px;
  color: var(--clr-accent);
  transition: transform 0.35s var(--ease);
}

.page-faq .faq-step__details[open] .faq-step__head::after {
  transform: rotate(45deg);
}

.page-faq .faq-step__body {
  padding: 0 16px 18px;
  margin-top: -4px;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--clr-text-2);
}

.page-faq .faq-guide__media {
  position: relative;
  max-width: 340px;
  margin: 0 auto;
}

.page-faq .faq-guide__media::before {
  content: "";
  position: absolute;
  inset: 18px -12px -12px 18px;
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-radius: 20px;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-guide__media img {
  position: relative;
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
  box-shadow: var(--shadow);
  object-fit: cover;
  z-index: 1;
}

/* ===== FAQ 标签页 ===== */
.page-faq .faq-tabs-section {
  background: var(--clr-bg);
  padding: 56px 0;
}

.page-faq .faq-tabs {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-faq .faq-tabs__labels {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--faq-line);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-tabs__labels::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs__label {
  flex-shrink: 0;
  padding: 12px 20px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--clr-text-2);
  cursor: pointer;
  position: relative;
  transition: color 0.3s var(--ease);
  user-select: none;
  white-space: nowrap;
}

.page-faq .faq-tabs__label::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 3px;
  background: var(--grad-fire);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.page-faq .faq-tabs__count {
  margin-left: 6px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--clr-text-2);
  opacity: 0.8;
}

.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-all"],
.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-download"],
.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-data"],
.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-account"] {
  color: var(--clr-white);
}

.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-all"]::after,
.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-download"]::after,
.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-data"]::after,
.page-faq .faq-tab-input:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-account"]::after {
  transform: scaleX(1);
}

.page-faq .faq-tab-input:focus-visible ~ .faq-tabs__labels {
  box-shadow: 0 0 0 2px var(--clr-gold);
  border-radius: 8px;
}

.page-faq .faq-tabs__panels {
  position: relative;
}

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

.page-faq #faq-tab-all:checked ~ .faq-tabs__panels .faq-tabs__panel[data-tab-panel="all"],
.page-faq #faq-tab-download:checked ~ .faq-tabs__panels .faq-tabs__panel[data-tab-panel="download"],
.page-faq #faq-tab-data:checked ~ .faq-tabs__panels .faq-tabs__panel[data-tab-panel="data"],
.page-faq #faq-tab-account:checked ~ .faq-tabs__panels .faq-tabs__panel[data-tab-panel="account"] {
  display: grid;
  gap: 12px;
}

/* FAQ 折叠面板 */
.page-faq .faq-item {
  background: var(--clr-card);
  border: 1px solid var(--faq-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 107, 53, 0.35);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__num {
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--clr-accent);
  background: rgba(255, 107, 53, 0.12);
  padding: 4px 8px;
  border-radius: 6px;
}

.page-faq .faq-item__q {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.4;
}

.page-faq .faq-item__icon {
  flex-shrink: 0;
  margin-left: auto;
  width: 24px;
  height: 24px;
  position: relative;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--clr-accent);
  border-radius: 2px;
  transition: transform 0.35s var(--ease);
}

.page-faq .faq-item__icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 18px 18px 48px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--clr-text-2);
}

/* ===== 数据对照指南 ===== */
.page-faq .faq-compare {
  background: var(--clr-panel);
  padding: 56px 0;
  position: relative;
}

.page-faq .faq-compare::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 120px;
  background: var(--grad-fire);
}

.page-faq .faq-compare__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-compare__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-compare__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-compare__step {
  display: flex;
  gap: 16px;
  background: var(--clr-card);
  border-radius: 12px;
  padding: 18px;
  border-left: 3px solid var(--clr-accent);
}

.page-faq .faq-compare__step-num {
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
}

.page-faq .faq-compare__step-content h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--clr-white);
}

.page-faq .faq-compare__step-content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--clr-text-2);
}

.page-faq .faq-compare__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-compare__card {
  background: var(--clr-card-hi);
  border: 1px solid rgba(245, 197, 24, 0.2);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-compare__card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.18), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-compare__card .tag {
  margin-bottom: 12px;
}

.page-faq .faq-compare__card-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.4;
}

.page-faq .faq-compare__card-desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--clr-text-2);
}

.page-faq .faq-compare__card .btn {
  margin-top: 4px;
}

.page-faq .faq-compare__card--alt {
  border-color: var(--faq-border);
}

.page-faq .faq-compare__card--alt .faq-compare__card-desc.text-mono {
  color: var(--clr-gold);
  font-size: 14px;
  letter-spacing: 0.02em;
}

/* ===== 版本说明 ===== */
.page-faq .faq-version {
  background: var(--clr-bg);
  padding: 56px 0;
}

.page-faq .faq-version__desc {
  max-width: 760px;
}

.page-faq .faq-version__grid {
  display: grid;
  gap: 28px;
  align-items: stretch;
}

.page-faq .faq-version__table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--faq-border);
  background: var(--clr-card);
}

.page-faq .faq-version__table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .faq-version__table th,
.page-faq .faq-version__table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-version__table thead th {
  background: var(--clr-card-hi);
  color: var(--clr-white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
}

.page-faq .faq-version__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-version__table td:first-child {
  color: var(--clr-text);
  font-weight: 700;
}

.page-faq .faq-version__table td:not(:first-child) {
  color: var(--clr-text-2);
  font-family: var(--font-data);
  font-size: 14px;
}

.page-faq .faq-version__table td:nth-child(2) {
  color: var(--clr-gold);
}

.page-faq .faq-version__note {
  background: var(--clr-panel);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.page-faq .faq-version__note h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  color: var(--clr-white);
}

.page-faq .faq-version__note p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--clr-text-2);
  max-width: 480px;
}

/* ===== 更多支持 ===== */
.page-faq .faq-more {
  background: var(--clr-panel);
  padding: 48px 0;
}

.page-faq .faq-section-head--compact {
  margin-bottom: 24px;
}

.page-faq .faq-more__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 900;
  color: var(--clr-white);
}

.page-faq .faq-more__cards {
  display: grid;
  gap: 12px;
}

.page-faq .faq-more__card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  background: var(--clr-card);
  border: 1px solid var(--faq-border);
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .faq-more__card-index {
  font-size: 13px;
  color: var(--clr-accent);
}

.page-faq .faq-more__card-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--clr-white);
}

.page-faq .faq-more__card-desc {
  font-size: 14px;
  color: var(--clr-text-2);
  line-height: 1.6;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-faq .content-wrap {
    padding-left: 32px;
    padding-right: 32px;
  }

  .page-faq .faq-hero {
    padding: 48px 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-contact-card__img {
    height: 180px;
  }

  .page-faq .faq-guide__layout {
    grid-template-columns: 1fr 300px;
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-guide__media {
    position: sticky;
    top: 100px;
  }

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

  .page-faq .faq-version__grid {
    grid-template-columns: 1.2fr 1fr;
  }

  .page-faq .faq-more__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.6fr 1fr;
    gap: 64px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-guide__steps {
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
  }

  .page-faq .faq-step__head {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    padding: 20px 14px 16px;
  }

  .page-faq .faq-step__head::after {
    position: absolute;
    top: 12px;
    right: 12px;
    margin-left: 0;
  }

  .page-faq .faq-step__body {
    padding: 0 16px 20px;
    text-align: left;
  }

  .page-faq .faq-guide__steps {
    position: relative;
  }

  .page-faq .faq-guide__steps::before {
    content: "";
    position: absolute;
    top: 36px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--clr-accent) 15%, var(--clr-accent) 85%, transparent);
    opacity: 0.5;
    pointer-events: none;
  }

  .page-faq .faq-step {
    position: relative;
    z-index: 1;
  }

  .page-faq .faq-step__num {
    width: 44px;
    height: 44px;
    font-size: 15px;
  }

  .page-faq .faq-step__title {
    font-size: 16px;
  }

  .page-faq .faq-guide__layout {
    grid-template-columns: 1fr 340px;
    gap: 48px;
  }

  .page-faq .faq-compare__grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 36px;
  }

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

  .page-faq .faq-tabs__label {
    font-size: 17px;
    padding: 14px 24px;
  }

  .page-faq .faq-item__head {
    padding: 18px 22px;
  }

  .page-faq .faq-item__body {
    padding: 0 22px 22px 56px;
  }

  .page-faq .faq-more__card {
    padding: 24px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero__grid {
    gap: 80px;
  }

  .page-faq .faq-guide__layout {
    grid-template-columns: 1fr 360px;
  }

  .page-faq .faq-guide__media {
    max-width: 360px;
  }

  .page-faq .faq-compare__grid {
    gap: 48px;
  }
}

/* ===== 交互反馈 ===== */
.page-faq .faq-item:hover,
.page-faq .faq-step__details:hover {
  border-color: rgba(255, 107, 53, 0.3);
}

.page-faq .faq-more__card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 53, 0.4);
}

.page-faq .btn-fire,
.page-faq .btn-ghost {
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .btn-fire:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.35);
}

.page-faq .btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--clr-accent);
}

.page-faq .faq-tabs__label:hover {
  color: var(--clr-white);
}