/* ===== 页面专属样式 · 支持中心 ===== */
.page-faq {
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

/* ----- 首屏区域 ----- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 48px;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 28px;
  align-items: center;
}

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

.page-faq .faq-hero h1 {
  font: 900 clamp(2.1rem, 6vw, 3.6rem)/1.1 var(--font-head);
  letter-spacing: -0.02em;
  margin: 12px 0 14px;
}

.page-faq .faq-hero__lead {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 56ch;
  margin: 0 0 22px;
}

.page-faq .faq-hero__copy::after {
  content: "";
  display: block;
  width: 72px;
  height: 6px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2) 80%);
}

.page-faq .faq-hero__hint {
  margin-top: 10px;
  color: rgba(201, 209, 217, 0.66);
  font: 400 13px/1.6 var(--font-data);
}

/* ----- 搜索框 ----- */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 520px;
  padding: 6px 16px;
  background: rgba(28, 53, 86, 0.82);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-faq .faq-search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.16);
}

.page-faq .faq-search__icon {
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--color-accent);
}

.page-faq .faq-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--color-text);
  font: 400 15px/1.5 var(--font-body);
  padding: 10px 0;
}

.page-faq .faq-search input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

/* ----- 首屏视觉 ----- */
.page-faq .faq-hero__visual {
  position: relative;
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--color-accent-2);
  border-radius: var(--radius);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero__visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  object-fit: cover;
}

/* ----- 目录 + 手风琴布局 ----- */
.page-faq .faq-layout {
  display: grid;
  gap: 32px;
  padding-top: 20px;
  padding-bottom: 56px;
}

.page-faq .faq-toc {
  align-self: start;
  background: rgba(11, 31, 58, 0.72);
  border: 1px solid rgba(74, 144, 217, 0.22);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-toc__title {
  font: 700 14px/1.4 var(--font-data);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 14px 18px;
  margin: 0;
  border-bottom: 1px solid rgba(74, 144, 217, 0.3);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 6px 0;
}

.page-faq .faq-toc__list li + li {
  border-top: 1px solid rgba(74, 144, 217, 0.15);
}

.page-faq .faq-toc__link {
  display: block;
  padding: 11px 18px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.4;
  border-left: 2px solid transparent;
  text-decoration: none;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out);
}

.page-faq .faq-toc__link:hover {
  color: var(--color-text);
  border-left-color: var(--color-accent);
  background: rgba(57, 255, 20, 0.08);
}

.page-faq .faq-toc__note {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px 18px;
  font: 400 12px/1.5 var(--font-data);
  color: var(--color-muted);
  border-top: 1px solid rgba(74, 144, 217, 0.18);
}

/* ----- 手风琴面板 ----- */
.page-faq .faq-panels {
  display: grid;
  gap: 42px;
}

.page-faq .faq-group__head {
  margin-bottom: 18px;
}

.page-faq .faq-group__head h2 {
  font: 900 1.7rem/1.2 var(--font-head);
  margin: 8px 0 6px;
}

.page-faq .faq-group__desc {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--color-bg-2);
  border: 1px solid rgba(74, 144, 217, 0.25);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-faq .faq-item[open] {
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: 0 12px 28px rgba(2, 8, 18, 0.26);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
}

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

.page-faq .faq-item[open] .faq-item__q {
  border-bottom: 1px solid rgba(74, 144, 217, 0.22);
}

.page-faq .faq-item__title {
  flex: 1;
  font: 600 15px/1.5 var(--font-body);
  margin: 0;
}

.page-faq .faq-item__icon {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-line);
}

.page-faq .faq-item[open] .faq-item__icon {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.15);
}

.page-faq .faq-item__arrow {
  flex: 0 0 auto;
  position: relative;
  width: 18px;
  height: 18px;
  transform: rotate(0deg);
  transition: transform 0.3s var(--ease-out);
}

.page-faq .faq-item__arrow::before,
.page-faq .faq-item__arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--color-muted);
  transition: background-color 0.3s var(--ease-out);
}

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

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

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 16px 18px 18px 40px;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

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

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__a a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ----- 分类指南 ----- */
.page-faq .faq-guide-section {
  padding: 56px 0;
  background: linear-gradient(180deg, var(--color-bg-3) 0%, var(--color-bg) 100%);
  border-top: 1px solid rgba(74, 144, 217, 0.2);
}

.page-faq .faq-guide-grid {
  margin-top: 28px;
}

.page-faq .faq-guide-card {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 26px;
  overflow: hidden;
}

.page-faq .faq-guide-card::before {
  content: attr(data-index);
  position: absolute;
  right: 18px;
  top: 10px;
  font: 900 64px/1 var(--font-head);
  color: rgba(74, 144, 217, 0.16);
  pointer-events: none;
}

.page-faq .faq-guide-card__icon {
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(57, 255, 20, 0.12);
  color: var(--color-accent);
}

.page-faq .faq-guide-card h3 {
  font: 800 1.2rem/1.3 var(--font-head);
  margin: 0 0 14px;
}

.page-faq .faq-guide-card ul {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-guide-card li {
  position: relative;
  padding-left: 20px;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-faq .faq-guide-card li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-accent-2);
  position: absolute;
  left: 4px;
  top: 9px;
  transform: rotate(45deg);
}

.page-faq .faq-guide-card .button {
  margin-top: auto;
  align-self: flex-start;
}

/* ----- 联系支持 ----- */
.page-faq .faq-contact-section {
  padding: 56px 0 0;
}

.page-faq .faq-contact-card {
  display: grid;
  border-radius: 20px;
  overflow: hidden;
  background: var(--color-bg-2);
  border: 1px solid rgba(74, 144, 217, 0.28);
  box-shadow: var(--shadow-card);
}

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

.page-faq .faq-contact-card__body {
  padding: 28px 24px;
}

.page-faq .faq-contact-card__body h2 {
  font: 900 2rem/1.2 var(--font-head);
  margin: 10px 0;
}

.page-faq .faq-contact-card__lead {
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0 0 22px;
}

.page-faq .faq-contact-card__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-card__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(11, 31, 58, 0.6);
  border-radius: 10px;
  border: 1px solid rgba(74, 144, 217, 0.2);
}

.page-faq .faq-contact-card__label {
  flex: 0 0 64px;
  font: 700 12px/1.4 var(--font-data);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

.page-faq .faq-contact-card__list span:last-child {
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.6;
  word-break: break-all;
}

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

/* ----- 响应式增强 ----- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 40px 0 56px;
  }

  .page-faq .faq-guide-section {
    padding: 64px 0;
  }

  .page-faq .faq-guide-card {
    padding: 32px;
  }

  .page-faq .faq-contact-card__body {
    padding: 36px 32px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    min-height: 420px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 32px;
  }

  .page-faq .faq-contact-card {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-faq .faq-contact-card__media {
    min-height: 100%;
  }

  .page-faq .faq-contact-card__media img {
    height: 100%;
  }
}