/* ===== 页面专属：帮助中心 ===== */
.page-faq {
  --faq-gold: var(--color-gold);
  --faq-gold-light: var(--color-gold-light);
  --faq-red: var(--color-red);
  --faq-deep: var(--color-deep-blue);
  --faq-deep-2: var(--color-deep-blue-2);
  --faq-ivory: var(--color-ivory);
  --faq-stone: var(--color-stone);
  --faq-moss: var(--color-moss);
  --faq-terracotta: var(--color-terracotta);
  --faq-cyan: var(--color-cyan);
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding: 24px 20px 0;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--faq-stone);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumb__item a {
  color: var(--faq-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb__item a:hover {
  color: var(--faq-gold-light);
  text-decoration: underline;
}

.page-faq .breadcrumb__item[aria-current="page"] {
  color: var(--faq-stone);
  font-weight: 600;
}

/* ---------- 封面区 ---------- */
.page-faq .faq-cover {
  position: relative;
  margin: 0 20px 28px;
  padding: 40px 24px 44px;
  background: linear-gradient(135deg, var(--faq-deep) 0%, var(--faq-deep-2) 58%, var(--faq-deep) 100%);
  border-radius: 4px;
  overflow: hidden;
  isolation: isolate;
}

.page-faq .faq-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at 85% 20%, rgba(212, 175, 55, 0.22) 0%, transparent 55%),
              linear-gradient(115deg, transparent 30%, rgba(212, 175, 55, 0.08) 50%, transparent 65%);
}

.page-faq .faq-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--faq-gold), var(--faq-gold-light), var(--faq-gold));
}

.page-faq .faq-cover .cover__kicker {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--faq-gold);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-faq .faq-cover .cover__title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--faq-ivory);
  margin: 0 0 14px;
}

.page-faq .faq-cover .cover__abstract {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 240, 232, 0.82);
  max-width: 46em;
  margin: 0 0 22px;
}

.page-faq .faq-cover .cover__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cover .tag {
  padding: 5px 14px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(10, 31, 68, 0.55);
  color: var(--faq-ivory);
  border: 1px solid currentColor;
}

.page-faq .faq-cover .tag--gold {
  color: var(--faq-gold);
}

.page-faq .faq-cover .tag--moss {
  color: #7fa891;
}

.page-faq .faq-cover .tag--red {
  color: #ff8a94;
  border-color: rgba(230, 57, 70, 0.55);
}

/* ---------- 面板通用 ---------- */
.page-faq .panel {
  margin: 0 20px 28px;
  background: var(--faq-ivory);
  border: 1px solid rgba(138, 154, 157, 0.18);
  border-radius: 4px;
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-faq .panel__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 0;
}

.page-faq .panel__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--faq-terracotta);
  background: rgba(198, 127, 90, 0.12);
  padding: 4px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.page-faq .panel__label {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--faq-deep);
  margin: 0;
}

/* ---------- 搜索帮助 ---------- */
.page-faq .faq-search__inner {
  padding: 18px 20px 24px;
}

.page-faq .faq-search__input {
  width: 100%;
  padding: 14px 18px 14px 44px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--faq-deep);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23D4AF37' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") left 16px center / 18px 18px no-repeat;
  border: 1px solid rgba(138, 154, 157, 0.3);
  border-radius: 3px;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-search__input::placeholder {
  color: var(--faq-stone);
  opacity: 0.8;
}

.page-faq .faq-search__input:focus {
  border-color: var(--faq-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}

.page-faq .faq-search__hint {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--faq-stone);
  margin: 18px 0 10px;
  letter-spacing: 0.04em;
}

.page-faq .faq-search__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-search__tags a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--faq-deep);
  padding: 6px 14px;
  border: 1px solid rgba(138, 154, 157, 0.3);
  border-radius: 20px;
  background: #fff;
  transition: all 0.25s var(--ease-out);
}

.page-faq .faq-search__tags a:hover,
.page-faq .faq-search__tags a:focus {
  border-color: var(--faq-gold);
  color: var(--faq-deep);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.12);
}

.page-faq .faq-search__tags a.tag--gold {
  border-color: var(--faq-gold);
  color: var(--faq-deep);
  background: rgba(212, 175, 55, 0.12);
}

/* ---------- 活动反馈流程 ---------- */
.page-faq .faq-flow__wrap {
  padding: 18px 20px 24px;
}

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

.page-faq .flow-steps__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(138, 154, 157, 0.18);
  border-radius: 3px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-faq .flow-steps__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(10, 31, 68, 0.1);
  border-color: var(--faq-gold);
}

.page-faq .flow-steps__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-terracotta);
  background: rgba(198, 127, 90, 0.1);
  padding: 8px 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.page-faq .flow-steps__body h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-deep);
  margin: 0 0 4px;
}

.page-faq .flow-steps__body p {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-deep-2);
  margin: 0;
}

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

.page-faq .faq-flow__figure img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  border: 1px solid rgba(138, 154, 157, 0.18);
}

.page-faq .faq-flow__figure .figure__caption {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--faq-stone);
  padding: 8px 4px 0;
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-qa__layout {
  display: grid;
  gap: 0;
  padding: 18px 20px 24px;
}

.page-faq .faq-qa__side {
  border-bottom: 1px solid rgba(138, 154, 157, 0.2);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-qa__side-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-deep);
  margin: 0 0 12px;
}

.page-faq .faq-qa__cat {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-qa__cat a {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--faq-deep);
  text-decoration: none;
  padding: 7px 14px;
  border: 1px solid rgba(138, 154, 157, 0.28);
  border-left: 3px solid var(--faq-gold);
  border-radius: 2px;
  background: #fff;
  transition: all 0.25s var(--ease-out);
}

.page-faq .faq-qa__cat a:hover,
.page-faq .faq-qa__cat a:focus {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--faq-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.page-faq .faq-qa__figure {
  margin: 0 0 14px;
  max-width: 140px;
}

.page-faq .faq-qa__figure img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  opacity: 0.85;
}

.page-faq .faq-qa__contact-btn {
  font-size: 13px;
  padding: 8px 20px;
}

.page-faq .faq-qa__list {
  display: grid;
  gap: 22px;
}

.page-faq .faq-group {
  border-top: 1px solid rgba(138, 154, 157, 0.22);
  padding-top: 16px;
}

.page-faq .faq-group__title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-deep);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-group__title::before {
  content: "";
  width: 4px;
  height: 18px;
  background: var(--faq-gold);
  border-radius: 2px;
  flex-shrink: 0;
}

.page-faq .disclosure {
  border-bottom: 1px solid rgba(138, 154, 157, 0.16);
}

.page-faq .disclosure summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--faq-deep);
  transition: color 0.2s ease;
}

.page-faq .disclosure summary:hover {
  color: var(--faq-gold);
}

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

.page-faq .disclosure summary::after {
  content: "+";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--faq-gold);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--faq-gold);
  background: transparent;
  transition: transform 0.3s var(--ease-out), background-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.page-faq .disclosure[open] > summary::after {
  transform: rotate(45deg);
  background: var(--faq-gold);
  color: var(--faq-deep);
}

.page-faq .disclosure__body {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.35s var(--ease-out);
}

.page-faq .disclosure[open] .disclosure__body {
  grid-template-rows: 1fr;
}

.page-faq .disclosure__body > p {
  min-height: 0;
  margin: 0;
  padding: 0 0 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-deep-2);
}

.page-faq .disclosure__body a {
  color: var(--faq-gold);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dotted rgba(212, 175, 55, 0.6);
  transition: color 0.2s ease;
}

.page-faq .disclosure__body a:hover {
  color: var(--faq-gold-light);
  border-bottom-style: solid;
}

/* ---------- 手机端规则说明 ---------- */
.page-faq .faq-mobile-guide__inner {
  padding: 18px 20px 24px;
}

.page-faq .faq-mobile-guide__inner p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-deep-2);
  margin: 0 0 18px;
  max-width: 60em;
}

.page-faq .faq-mobile-guide__inner .btn {
  font-size: 14px;
  padding: 10px 24px;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact__intro {
  padding: 18px 20px 0;
}

.page-faq .faq-contact__intro p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-deep-2);
  margin: 0;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
  padding: 18px 20px 0;
}

.page-faq .contact-card {
  padding: 18px;
  background: linear-gradient(140deg, var(--faq-deep) 0%, var(--faq-deep-2) 100%);
  border-radius: 4px;
  border-left: 3px solid var(--faq-gold);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-faq .contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(10, 31, 68, 0.22);
}

.page-faq .contact-card__label {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--faq-gold);
  margin-bottom: 6px;
}

.page-faq .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 3vw, 20px);
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin: 0 0 6px;
  word-break: break-all;
}

.page-faq .contact-card__note {
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(245, 240, 232, 0.72);
  margin: 0;
}

.page-faq .faq-contact__footer {
  padding: 18px 20px 22px;
}

.page-faq .faq-contact__footer p {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--faq-stone);
  margin: 0;
}

.page-faq .faq-contact__footer a {
  color: var(--faq-gold);
  font-weight: 600;
  text-decoration: none;
}

.page-faq .faq-contact__footer a:hover {
  text-decoration: underline;
}

/* ===== 桌面端增强 (min-width: 768px) ===== */
@media (min-width: 768px) {
  .page-faq .breadcrumb {
    padding: 28px 24px 0;
  }

  .page-faq .faq-cover {
    margin: 0 24px 36px;
    padding: 56px 48px 52px;
  }

  .page-faq .faq-cover .cover__kicker {
    font-size: 15px;
  }

  .page-faq .faq-cover .cover__title {
    font-size: clamp(32px, 4vw, 46px);
  }

  .page-faq .faq-cover .cover__abstract {
    font-size: 16px;
    max-width: 52em;
  }

  .page-faq .panel {
    margin-left: 24px;
    margin-right: 24px;
  }

  .page-faq .panel__head {
    padding: 24px 28px 0;
  }

  .page-faq .panel__label {
    font-size: 22px;
  }

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

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

  .page-faq .flow-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-bottom: 28px;
  }

  .page-faq .flow-steps__item {
    flex-direction: column;
    padding: 20px;
    border-radius: 0;
    border: 1px solid rgba(138, 154, 157, 0.2);
    margin-right: 14px;
  }

  .page-faq .flow-steps__item:first-child {
    border-radius: 3px 0 0 3px;
  }

  .page-faq .flow-steps__item:last-child {
    border-radius: 0 3px 3px 0;
    margin-right: 0;
  }

  .page-faq .flow-steps__item:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -17px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--faq-gold);
    background: var(--faq-ivory);
    padding: 2px 6px;
    border-radius: 2px;
    z-index: 2;
    line-height: 1;
  }

  .page-faq .flow-steps__num {
    font-size: 28px;
    margin-bottom: 12px;
  }

  .page-faq .faq-qa__layout {
    grid-template-columns: 240px 1fr;
    gap: 40px;
    padding: 24px 28px 28px;
  }

  .page-faq .faq-qa__side {
    border-right: 1px solid rgba(138, 154, 157, 0.18);
    border-bottom: none;
    padding-right: 20px;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .page-faq .faq-qa__cat {
    flex-direction: column;
    gap: 0;
    margin-bottom: 18px;
  }

  .page-faq .faq-qa__cat a {
    width: 100%;
    border-radius: 0;
    border-left-width: 3px;
    margin-bottom: 6px;
  }

  .page-faq .faq-qa__figure {
    max-width: 120px;
  }

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

  .page-faq .faq-mobile-guide__inner {
    padding: 24px 28px 28px;
  }

  .page-faq .faq-mobile-guide__inner p {
    font-size: 15px;
  }

  .page-faq .faq-contact__intro {
    padding: 24px 28px 0;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 20px 28px 0;
  }

  .page-faq .contact-card {
    padding: 22px;
  }

  .page-faq .faq-contact__footer {
    padding: 20px 28px 26px;
  }
}

/* ===== 桌面宽屏 (min-width: 1024px) ===== */
@media (min-width: 1024px) {
  .page-faq .faq-qa__layout {
    grid-template-columns: 280px 1fr;
    gap: 48px;
  }

  .page-faq .faq-flow__wrap {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-flow__steps {
    margin-bottom: 0;
  }

  .page-faq .flow-steps {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 0;
  }

  .page-faq .flow-steps__item {
    margin-right: 0;
    border-radius: 3px;
    border: 1px solid rgba(138, 154, 157, 0.2);
  }

  .page-faq .flow-steps__item:first-child,
  .page-faq .flow-steps__item:last-child {
    border-radius: 3px;
  }

  .page-faq .flow-steps__item:not(:last-child)::after {
    display: none;
  }

  .page-faq .flow-steps__item:hover {
    transform: translateY(-4px);
  }
}

/* ===== 无障碍：减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}