/* ===== FAQ 页面专属样式 ===== */
.page-faq {
  position: relative;
  overflow: hidden;
  background: var(--paper);
}

.page-faq > *:not(.faq-bg-art) {
  position: relative;
  z-index: 1;
}

/* ---- 面包屑 ---- */
.page-faq .faq-breadcrumb-row {
  padding-top: 1.25rem;
}

.page-faq .faq-breadcrumb-row .breadcrumbs {
  padding: 0;
}

/* ---- Hero ---- */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--line);
  padding: 2.75rem 0 2.25rem;
  position: relative;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--lime));
}

.page-faq .faq-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-faq .faq-hero-copy {
  max-width: 34rem;
}

.page-faq .faq-hero-copy .index-label {
  background: rgba(11, 61, 145, 0.09);
  color: var(--navy);
  margin-bottom: 0.9rem;
}

.page-faq .faq-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  color: var(--ink);
  margin: 0 0 0.9rem;
}

.page-faq .faq-hero-copy p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.page-faq .faq-hero-meta {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 0.4rem;
  flex-shrink: 0;
}

.page-faq .faq-hero-meta__item {
  border-left: 2px solid var(--line);
  padding-left: 1rem;
}

.page-faq .faq-hero-meta__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.65rem;
  line-height: 1.1;
  color: var(--ink);
}

.page-faq .faq-hero-meta__item span {
  display: block;
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 0.2rem;
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .page-faq .faq-hero__inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-faq .faq-hero-meta {
    gap: 2rem;
  }
}

/* ---- 快速跳转 ---- */
.page-faq .faq-quick-nav {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}

.page-faq .faq-quick-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-quick-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  background: #fff;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-quick-link:hover {
  border-color: var(--navy);
  color: var(--navy);
  background: rgba(11, 61, 145, 0.04);
}

.page-faq .faq-quick-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--navy);
}

.page-faq .faq-quick-link[href="#download"] .faq-quick-dot {
  background: var(--lime);
}

.page-faq .faq-quick-link[href="#usage"] .faq-quick-dot {
  background: var(--orange);
}

.page-faq .faq-quick-link[href="#account"] .faq-quick-dot {
  background: var(--ink);
}

@media (min-width: 768px) {
  .page-faq .faq-quick-nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ---- 主体栅格 ---- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.75rem;
  padding-bottom: 4.5rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 3.5rem;
  }
}

/* ---- 左侧问题区 ---- */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--topbar-offset) + 2rem);
}

.page-faq .faq-section-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  height: 2.4rem;
  border-radius: 8px;
  background: var(--navy);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--ink);
  margin: 0;
}

.page-faq .faq-section-head p {
  font-size: 0.82rem;
  color: var(--gray);
  margin: 0.25rem 0 0;
}

/* ---- 手风琴 ---- */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 2px var(--shadow);
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  box-shadow: 0 8px 28px var(--shadow);
}

.page-faq .faq-item[open] {
  border-color: rgba(11, 61, 145, 0.35);
  box-shadow: 0 8px 28px var(--shadow);
}

.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.15rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  font-family: var(--font-body);
}

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

.page-faq .faq-question:hover {
  color: var(--navy);
}

.page-faq .faq-qnum {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.5rem;
  border-radius: 5px;
  background: rgba(11, 61, 145, 0.08);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  line-height: 1;
}

.page-faq .faq-icn {
  position: relative;
  flex-shrink: 0;
  margin-left: auto;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-icn::before,
.page-faq .faq-icn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--navy);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-icn::before {
  width: 10px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-icn::after {
  width: 2px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-icn {
  background: rgba(11, 61, 145, 0.06);
  border-color: var(--navy);
}

.page-faq .faq-item[open] .faq-icn::after {
  transform: translate(-50%, -50%) scale(0);
}

.page-faq .faq-answer {
  padding: 0 1.25rem 1.35rem 3.3rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-answer p {
  margin: 0;
}

.page-faq .faq-answer a {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  font-weight: 600;
}

/* ---- 右侧栏 ---- */
.page-faq .faq-side {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-faq .faq-search-card {
  position: relative;
  background: var(--ink);
  border-radius: 18px;
  padding: 1.5rem;
  overflow: hidden;
}

.page-faq .faq-search-card::before {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  right: -60px;
  top: -60px;
  border-radius: 50%;
  background: var(--navy);
  opacity: 0.35;
  filter: blur(20px);
  pointer-events: none;
}

.page-faq .faq-search-card__kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  background: rgba(57, 255, 20, 0.1);
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.page-faq .faq-search-card h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--paper);
  margin: 0 0 0.25rem;
}

.page-faq .faq-search-card__desc {
  font-size: 0.8rem;
  color: rgba(245, 240, 232, 0.72);
  margin: 0 0 1.1rem;
  line-height: 1.5;
}

.page-faq .faq-search-box-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-faq .faq-search-box {
  position: relative;
  flex: 1;
  border-bottom: 2px solid rgba(245, 240, 232, 0.3);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-search-box::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--lime);
  transition: width 0.3s var(--ease);
}

.page-faq .faq-search-box:focus-within::after {
  width: 100%;
}

.page-faq .faq-search-box input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.92rem;
  padding: 0.7rem 0;
}

.page-faq .faq-search-box input::placeholder {
  color: rgba(245, 240, 232, 0.45);
}

.page-faq .faq-caret {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 2px;
  height: 16px;
  background: var(--lime);
  animation: faq-blink 1s step-end infinite;
}

@keyframes faq-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.page-faq .faq-search-box__icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  opacity: 0.5;
  flex-shrink: 0;
}

.page-faq .faq-search-note {
  margin-top: 0.9rem;
  font-size: 0.75rem;
  color: rgba(245, 240, 232, 0.55);
  line-height: 1.5;
}

/* ---- 联系卡片 ---- */
.page-faq .faq-contact-card {
  background: var(--paper);
  border: 2px dashed var(--orange);
  border-radius: 18px;
  padding: 1.5rem;
}

.page-faq .faq-contact-card__tag {
  display: inline-block;
  background: rgba(255, 107, 0, 0.14);
  color: var(--orange);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.page-faq .faq-contact-card h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.page-faq .faq-contact-card > p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}

.page-faq .faq-contact-list {
  margin: 0 0 1.5rem;
  padding: 0;
}

.page-faq .faq-contact-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact-row dt {
  font-size: 0.75rem;
  color: var(--gray);
  flex-shrink: 0;
}

.page-faq .faq-contact-row dd {
  font-size: 0.82rem;
  color: var(--ink);
  font-weight: 600;
  text-align: right;
  margin: 0;
  word-break: break-all;
}

.page-faq .faq-contact-btn {
  width: 100%;
  justify-content: center;
}

/* ---- 侧栏声明 ---- */
.page-faq .faq-side-note {
  display: flex;
  gap: 0.7rem;
  padding: 0.5rem 0;
}

.page-faq .faq-side-note__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.18);
  flex-shrink: 0;
  margin-top: 0.35rem;
}

.page-faq .faq-side-note p {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--gray);
  margin: 0;
}

/* ---- 底部 CTA ---- */
.page-faq .faq-cta {
  padding: 3rem 0;
}

.page-faq .faq-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  align-items: flex-start;
}

.page-faq .faq-cta .index-label {
  color: var(--lime);
  background: rgba(57, 255, 20, 0.12);
}

.page-faq .faq-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.15;
  margin: 0.35rem 0 0.5rem;
}

.page-faq .faq-cta p {
  color: rgba(245, 240, 232, 0.72);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

@media (min-width: 768px) {
  .page-faq .faq-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ---- 右下角背景装饰图 ---- */
.page-faq .faq-bg-art {
  position: absolute;
  right: 0;
  bottom: 0;
  width: clamp(160px, 20vw, 320px);
  height: auto;
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}

/* ---- 图片通用 ---- */
.page-faq .faq-search-box__icon,
.page-faq .faq-bg-art {
  max-width: 100%;
  height: auto;
}