.page-faq {
  --faq-orange: var(--orange);
  --faq-gold: var(--gold);
  --faq-deep: var(--deep-blue);
  --faq-steel: var(--steel);
  --faq-ink: var(--ink);
  --faq-cream: var(--cream);
  --faq-mist: var(--mist);
  --faq-accent: #ff6b1a;
  --faq-border: rgba(11, 29, 58, 0.12);
  background: var(--faq-cream);
  color: var(--faq-ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: 28px;
}

.page-faq .breadcrumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(247, 243, 234, 0.65);
}

.page-faq .breadcrumb__link {
  color: rgba(247, 243, 234, 0.65);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--faq-orange);
  outline: none;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 12px;
  opacity: 0.5;
}

/* ---------- Hero 杂志封面首屏 ---------- */
.page-faq .faq-hero {
  background: var(--faq-deep);
  position: relative;
  color: var(--faq-cream);
  overflow: hidden;
  padding: 56px 0 64px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--faq-orange) 0%, var(--faq-orange) 30%, var(--faq-gold) 30%, var(--faq-gold) 62%, transparent 62%);
  opacity: 0.8;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero__content {
  max-width: 720px;
}

.page-faq .faq-hero .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faq-orange);
  margin: 0 0 12px;
  border: 1px solid rgba(255, 107, 26, 0.5);
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 107, 26, 0.08);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--faq-cream);
  text-wrap: balance;
}

.page-faq .faq-hero__desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.85);
  margin: 0;
  max-width: 64ch;
}

.page-faq .faq-hero__desc strong {
  color: var(--faq-orange);
  font-weight: 600;
}

.page-faq .faq-hero__visual {
  position: absolute;
  top: 34px;
  right: 4%;
  width: 180px;
  height: 180px;
  opacity: 0.9;
  pointer-events: none;
}

.page-faq .faq-hero__index {
  position: absolute;
  font-family: var(--font-display);
  font-size: 4.2rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.1);
  right: 0;
  top: 16px;
  letter-spacing: -0.04em;
  z-index: 1;
}

.page-faq .faq-hero__circle {
  position: absolute;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: var(--faq-orange);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  bottom: 8px;
  right: 6px;
  box-shadow: 0 10px 30px rgba(255, 107, 26, 0.35);
  z-index: 2;
}

.page-faq .faq-hero__speedlines {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero__speedlines span {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 26, 0.8), transparent);
  border-radius: 2px;
}

.page-faq .faq-hero__speedlines span:nth-child(1) {
  width: 240px;
  top: 30px;
  right: -40px;
  opacity: 0.4;
}

.page-faq .faq-hero__speedlines span:nth-child(2) {
  width: 160px;
  top: 78px;
  right: 20px;
  opacity: 0.25;
}

.page-faq .faq-hero__speedlines span:nth-child(3) {
  width: 220px;
  top: 118px;
  right: -60px;
  opacity: 0.35;
}

.page-faq .faq-hero__speedlines span:nth-child(4) {
  width: 100px;
  top: 152px;
  right: 90px;
  opacity: 0.15;
}

/* ---------- 主体布局：左导航 + 右手风琴 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 40px 0 72px;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-side {
  background: var(--faq-steel);
  border-radius: 12px;
  padding: 22px 18px;
  color: #fff;
  position: relative;
  align-self: start;
  font-family: var(--font-body);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-search {
  position: relative;
  margin-bottom: 22px;
}

.page-faq .faq-search__input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
  border-radius: 6px;
  padding: 11px 46px 11px 14px;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.page-faq .faq-search__input:focus {
  border-color: var(--faq-orange);
  background: rgba(255, 255, 255, 0.12);
}

.page-faq .faq-search__badge {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--faq-gold);
  border: 1px solid rgba(201, 162, 39, 0.45);
  border-radius: 99px;
  padding: 2px 7px;
  pointer-events: none;
}

.page-faq .faq-toc__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 12px;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 9px 10px;
  border-radius: 6px;
  border-left: 3px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  outline: none;
}

.page-faq .faq-toc__link.is-current {
  border-left-color: var(--faq-orange);
  color: #fff;
  background: rgba(255, 107, 26, 0.12);
}

.page-faq .faq-side-note {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 16px;
  margin-top: 4px;
}

.page-faq .faq-side-note__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--faq-gold);
  margin: 0 0 8px;
}

.page-faq .faq-side-note__main {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

/* ---------- 主内容区 ---------- */
.page-faq .faq-main {
  display: grid;
  gap: 40px;
  min-width: 0;
}

/* ---------- FAQ 分区标头 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 86px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-section__bar {
  width: 5px;
  height: 32px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--faq-orange), var(--faq-gold));
  flex-shrink: 0;
}

.page-faq .faq-section__title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--faq-deep);
}

/* ---------- 手风琴单项 ---------- */
.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--faq-border);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(11, 29, 58, 0.2);
  box-shadow: 0 10px 24px rgba(11, 29, 58, 0.09);
}

.page-faq .faq-item__q {
  margin: 0;
}

.page-faq .faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  color: var(--faq-ink);
  transition: background 0.2s var(--ease);
  position: relative;
}

.page-faq .faq-item__trigger:hover {
  background: rgba(255, 107, 26, 0.04);
}

.page-faq .faq-item__trigger:focus-visible {
  outline: 2px solid var(--faq-orange);
  outline-offset: -2px;
  border-radius: 10px;
}

.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--faq-orange);
  border: 1px solid rgba(255, 107, 26, 0.4);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: rgba(255, 107, 26, 0.06);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-item__type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faq-steel);
  background: var(--faq-mist);
  border-radius: 4px;
  padding: 4px 8px;
  flex-shrink: 0;
  border: 1px solid rgba(18, 58, 95, 0.1);
}

.page-faq .faq-item__text {
  flex: 1;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.45;
}

.page-faq .faq-item__icon {
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--faq-orange);
  border-bottom: 2px solid var(--faq-orange);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
  margin-top: -4px;
}

.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__icon {
  transform: rotate(225deg);
  margin-top: 4px;
}

.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__no {
  background: var(--faq-orange);
  color: #fff;
  border-color: var(--faq-orange);
}

/* 展开区：CSS Grid 动画 */
.page-faq .faq-item__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}

.page-faq .faq-item__trigger[aria-expanded="true"] + .faq-item__a {
  grid-template-rows: 1fr;
}

.page-faq .faq-item__inner {
  overflow: hidden;
  min-height: 0;
  padding: 0 18px 18px 62px;
}

.page-faq .faq-item__inner p {
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(43, 32, 26, 0.85);
  margin: 0 0 12px;
}

.page-faq .faq-item__inner > p:first-child {
  margin-top: 4px;
}

.page-faq .faq-item__inner ul {
  margin: 0 0 14px;
  padding-left: 20px;
}

.page-faq .faq-item__inner li {
  line-height: 1.7;
  margin-bottom: 6px;
}

/* 步骤列表 */
.page-faq .faq-steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: faq-step-counter;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  counter-increment: faq-step-counter;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  line-height: 1.7;
  font-size: 0.95rem;
  color: var(--faq-ink);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step-counter, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--faq-orange);
  background: rgba(255, 107, 26, 0.08);
  border: 1px solid rgba(255, 107, 26, 0.24);
  border-radius: 4px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 3px;
}

.page-faq .faq-item code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--faq-mist);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--faq-steel);
}

/* ---------- 图片占位 ---------- */
.page-faq .media-frame--placeholder {
  background: linear-gradient(135deg, var(--faq-deep) 0%, var(--faq-steel) 80%);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-faq .media-frame--placeholder::after {
  content: "LD / DATA FLOW";
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.26);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 4px 8px;
  border-radius: 3px;
  top: 12px;
  right: 12px;
}

.page-faq .faq-login-img {
  max-width: 460px;
  margin: 6px 0 12px;
}

.page-faq .faq-login-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  opacity: 0.92;
  transition: opacity 0.3s var(--ease);
}

.page-faq .faq-login-img:hover img {
  opacity: 1;
}

.page-faq .faq-data-img {
  margin: 8px 0 4px;
}

.page-faq .faq-data-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  opacity: 0.92;
  transition: opacity 0.3s var(--ease);
}

.page-faq .faq-data-img:hover img {
  opacity: 1;
}

.page-faq .faq-data-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 29, 58, 0.35));
  pointer-events: none;
}

/* 时间轴比例尺（数据延迟视觉） */
.page-faq .faq-timeline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 8px;
  padding: 14px 16px;
  background: var(--faq-cream);
  border-radius: 8px;
  border: 1px solid var(--faq-border);
}

.page-faq .faq-timeline__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--faq-steel);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.page-faq .faq-timeline__bar {
  height: 6px;
  border-radius: 3px;
  background: var(--faq-mist);
  flex: 1;
  min-width: 32px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-timeline__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--faq-orange), var(--faq-gold));
  border-radius: 3px;
  transform-origin: left;
  animation: faq-bar-in 0.6s var(--ease) both;
}

.page-faq .faq-timeline__bar.is-1::after {
  width: 20%;
}

.page-faq .faq-timeline__bar.is-2::after {
  width: 45%;
}

.page-faq .faq-timeline__bar.is-3::after {
  width: 80%;
}

@keyframes faq-bar-in {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* ---------- 底部联系卡片 ---------- */
.page-faq .faq-footer-card {
  background: var(--faq-deep);
  border-radius: 14px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 12px;
}

.page-faq .faq-footer-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -30px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 24px solid rgba(255, 107, 26, 0.12);
  pointer-events: none;
}

.page-faq .faq-footer-card__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faq-gold);
  margin: 0 0 6px;
}

.page-faq .faq-footer-card__title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 0 0 10px;
  color: #fff;
}

.page-faq .faq-footer-card p {
  margin: 0;
  line-height: 1.65;
  font-size: 0.96rem;
  color: rgba(255, 255, 255, 0.84);
}

.page-faq .faq-footer-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-footer-card .btn {
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
}

/* 复用全局 btn 的形状微调 */
.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.92rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .btn--primary {
  background: var(--faq-orange);
  color: #fff;
  border: 1px solid var(--faq-orange);
}

.page-faq .btn--primary:hover,
.page-faq .btn--primary:focus-visible {
  background: var(--faq-crimson, #e8501a);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255, 107, 26, 0.28);
  outline: none;
}

.page-faq .btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.page-faq .btn--ghost:hover,
.page-faq .btn--ghost:focus-visible {
  border-color: var(--faq-orange);
  color: var(--faq-orange);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 搜索时隐藏不匹配项（渐进增强，无 JS 时全显示） ---------- */
.page-faq .faq-item[data-faq-hidden] {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 74px 0 88px;
  }

  .page-faq .faq-hero__title {
    font-size: 3.6rem;
    margin-bottom: 22px;
  }

  .page-faq .faq-hero__desc {
    font-size: 1.12rem;
  }

  .page-faq .faq-hero__visual {
    width: 260px;
    height: 260px;
    top: 50%;
    transform: translateY(-50%);
    right: 3%;
  }

  .page-faq .faq-hero__index {
    font-size: 6.5rem;
    right: -10px;
    top: 40px;
  }

  .page-faq .faq-hero__circle {
    width: 128px;
    height: 128px;
    font-size: 1.7rem;
    right: 40px;
    bottom: 6px;
  }

  .page-faq .faq-hero__speedlines span:nth-child(1) {
    width: 380px;
    right: -60px;
  }

  .page-faq .faq-hero__speedlines span:nth-child(2) {
    width: 260px;
    right: 40px;
    top: 90px;
  }

  .page-faq .faq-hero__speedlines span:nth-child(3) {
    width: 330px;
    right: 0;
    top: 160px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 48px;
    padding: 56px 0 96px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 26px 22px;
  }

  .page-faq .faq-main {
    gap: 52px;
  }

  .page-faq .faq-section__title {
    font-size: 1.6rem;
  }

  .page-faq .faq-footer-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 32px 36px;
  }

  .page-faq .faq-footer-card__links {
    justify-content: flex-end;
    flex-shrink: 0;
  }

  .page-faq .faq-item__inner {
    padding: 0 24px 22px 66px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-item__type {
    display: none;
  }

  .page-faq .faq-item__text {
    font-size: 0.94rem;
  }

  .page-faq .faq-item__inner {
    padding-left: 50px;
  }

  .page-faq .faq-item__no {
    width: 30px;
    height: 30px;
  }

  .page-faq .faq-footer-card__links .btn {
    width: 100%;
  }
}

.page-faq {
  --faq-crimson: transparent;
}