.page-faq {
  --faq-num: var(--accent-orange);
  --faq-line: var(--accent-cyan);
  --faq-green: var(--accent-green);
  --faq-card-bg: linear-gradient(140deg, #151e2e 0%, #0d1420 100%);
  background: var(--bg-primary);
  color: var(--text-main);
}

.page-faq .faq-container {
  max-width: 1080px;
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  padding: 64px 0 72px;
  text-align: center;
  position: relative;
}

.page-faq .faq-hero::before {
  content: "";
  display: block;
  width: 68px;
  height: 4px;
  margin: 0 auto 28px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-orange));
  transform: skewX(-20deg);
}

.page-faq .faq-hero .section-label {
  justify-content: center;
}

.page-faq .faq-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 20px 0 20px;
  color: var(--text-main);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin: 22px auto 0;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green), var(--accent-orange));
  transform: skewX(-20deg);
}

.page-faq .faq-lead {
  max-width: 720px;
  margin: 0 auto 36px;
  color: var(--text-sub);
  font-size: 1rem;
  line-height: 1.75;
}

.page-faq .faq-topic-index {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.page-faq .faq-topic-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-topic-link:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.page-faq .faq-topic-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--faq-num);
}

/* ===== Section ===== */
.page-faq .faq-section {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-color);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 40px;
}

.page-faq .faq-section-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-num);
  margin-top: 2px;
  position: relative;
}

.page-faq .faq-section-num::before {
  content: "/";
  color: var(--faq-line);
  margin-right: 8px;
  font-weight: 400;
}

.page-faq .faq-section-num::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  background: var(--faq-line);
  margin-top: 14px;
  transform: skewX(-20deg);
}

.page-faq .faq-section-head h2 {
  font-size: 1.6rem;
  font-weight: 900;
  margin: 0;
  letter-spacing: -0.01em;
}

.page-faq .faq-section-desc {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin: 8px 0 0;
  line-height: 1.6;
}

/* ===== Grid 布局（移动端单列） ===== */
.page-faq .faq-login-grid,
.page-faq .faq-report-wrap,
.page-faq .faq-data-wrap,
.page-faq .faq-account-grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

/* ===== 手风琴 ===== */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-item {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-item:hover,
.page-faq .faq-item[open] {
  border-color: rgba(0, 209, 255, 0.45);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 20px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  transition: background 0.3s var(--ease);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  margin-left: auto;
  color: var(--faq-line);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: #151e2e;
}

.page-faq .faq-q-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--faq-num);
  background: rgba(255, 107, 0, 0.1);
  padding: 5px 9px;
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .faq-a {
  padding: 6px 20px 24px 22px;
  margin-left: 20px;
  border-left: 2px solid rgba(0, 209, 255, 0.35);
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-a a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 209, 255, 0.35);
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-a a:hover {
  border-bottom-color: var(--accent-cyan);
}

.page-faq .faq-steps {
  margin: 16px 0 4px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 34px;
  counter-increment: faq-step;
  color: var(--text-sub);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--faq-green);
  position: absolute;
  left: 0;
  top: 3px;
  background: rgba(57, 255, 20, 0.08);
  padding: 2px 5px;
}

.page-faq .faq-list {
  margin: 12px 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

/* ===== 图片 ===== */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-faq .faq-figure figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-sub);
  line-height: 1.6;
  padding-left: 14px;
  border-left: 2px solid var(--faq-green);
}

/* ===== Tip Panel ===== */
.page-faq .faq-tip-panel {
  margin: 0;
  padding: 28px 26px;
  background: linear-gradient(145deg, rgba(0, 209, 255, 0.07), transparent 65%);
  border-color: var(--border-color);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-tip-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faq-green);
  margin: 0 0 14px;
}

.page-faq .faq-tip-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text-main);
}

.page-faq .faq-tip-panel p:last-child {
  margin-bottom: 0;
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== Contact Card ===== */
.page-faq .faq-contact-card {
  margin: 0;
  padding: 28px 26px;
  background: var(--faq-card-bg);
  border-left: 3px solid var(--faq-num);
  border-color: var(--border-color);
}

.page-faq .faq-contact-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-contact-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(30, 42, 56, 0.6);
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-sub);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-main);
  word-break: break-all;
  line-height: 1.5;
}

.page-faq .faq-contact-note {
  margin: 20px 0 0;
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
  padding: 14px;
  background: rgba(0, 209, 255, 0.05);
  border-left: 2px solid var(--faq-line);
}

/* ===== 桌面端栅格 ===== */
@media (min-width: 768px) {
  .page-faq .faq-login-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-report-wrap {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-data-wrap {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }

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