/* ========================================
   components.css — 区块标题 / 卡片 / 徽章 / 表单 / FAQ / 跑马灯
   ======================================== */

/* ---------- 区块标题 ---------- */
.section-heading {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 22px;
}

.section-heading.align-left {
  text-align: left;
  margin: 0 0 24px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  border: 1px solid rgba(0, 102, 204, 0.2);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.04);
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 34px;
  }
}

.section-desc {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* 深色背景变体 */
.section-heading.light .section-title {
  color: #fff;
}

.section-heading.light .section-desc {
  color: var(--slate-400);
}

.section-heading.light .section-tag {
  background: rgba(96, 165, 250, 0.12);
  color: #93C5FD;
}

/* ---------- 通用卡片（白底 + 轻阴影，hover 大扩散阴影 + 轻微上浮） ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover {
  position: relative;
  overflow: hidden;
}

.card-hover:hover {
  box-shadow: var(--glow-soft), 0 12px 36px 0 rgba(11, 30, 51, 0.14);
  border-color: rgba(0, 102, 204, 0.35);
  transform: translateY(-4px);
}

/* 卡片 hover 顶部光条（渐变蓝，从左扫入） */
.card-hover::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), #1A7FE5, rgba(96, 110, 255, 0));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover::before {
  transform: scaleX(1);
}

/* ---------- 徽章 / 标签 ---------- */
.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.tag {
  display: inline-block;
  font-size: 11px;
  color: var(--slate-500);
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.tag-sm {
  font-size: 10px;
  color: var(--slate-400);
  background: var(--slate-50);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* 热销角标（NEW/HOT 红色风格） */
.hot-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #E53030;
  background: #FFEFEE;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* 成果标签（绿色） */
.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
}

.result-badge.on-dark {
  color: #34D399;
  background: rgba(16, 185, 129, 0.1);
}

.result-badge.on-light {
  color: #059669;
  background: #ECFDF5;
}

/* 痛点标签（红色） */
.pain-badge {
  display: inline-block;
  font-size: 12px;
  color: var(--red);
  background: #FEF2F2;
  padding: 5px 10px;
  border-radius: var(--radius-full);
}

/* 推荐产品标签（蓝色） */
.rec-badge {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 10px;
  border-radius: var(--radius-full);
}

/* ---------- 表单 ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  padding: 32px;
  box-shadow: 0 4px 32px 0 rgba(11, 30, 51, 0.12);
}

.form-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 16px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--slate-500);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12), 0 0 12px rgba(0, 102, 204, 0.08);
}

textarea.form-control {
  resize: none;
}

select.form-control {
  color: var(--slate-600);
}

.form-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-cta);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 13px;
  border-radius: var(--radius-md);
  transition: box-shadow 0.25s;
}

.form-submit:hover {
  box-shadow: var(--shadow-blue);
}

.form-note {
  margin-top: 12px;
  font-size: 11px;
  color: var(--slate-400);
  text-align: center;
}

/* 表单成功态 */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 0;
}

.form-success.show {
  display: block;
}

.form-success svg {
  color: var(--emerald);
  margin: 0 auto 16px;
}

.form-success h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 14px;
  color: var(--slate-500);
}

/* ---------- FAQ 手风琴 ---------- */
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 12px;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 16px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-800);
}

.faq-icon {
  color: var(--slate-400);
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 16px;
  font-size: 14px;
  color: var(--slate-500);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ---------- 资质跑马灯 ---------- */
.marquee-wrap {
  position: relative;
  overflow: hidden;
}

.marquee-mask-left,
.marquee-mask-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 128px;
  z-index: 10;
  pointer-events: none;
}

.marquee-mask-left {
  left: 0;
  background: linear-gradient(90deg, #fff, transparent);
}

.marquee-mask-right {
  right: 0;
  background: linear-gradient(-90deg, #fff, transparent);
}

.marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marquee 36s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.cert-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 14px 20px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.cert-pill svg {
  color: var(--amber);
  flex-shrink: 0;
}

.cert-pill span {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-700);
}

/* 资质墙（关于页静态网格） */
.cert-grid-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-gray);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
  transition: all 0.2s;
}

.cert-grid-item:hover {
  border-color: #FDE68A;
  background: rgba(254, 243, 199, 0.25);
}

.cert-grid-item svg {
  color: var(--amber);
  flex-shrink: 0;
}

.cert-grid-item span {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-700);
}

/* ---------- 链接箭头 ---------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: gap 0.2s;
}

.link-arrow:hover {
  gap: 10px;
}

.link-arrow svg {
  transition: transform 0.2s;
}

/* 深色背景上的链接 */
.link-arrow.on-light-border {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px 24px;
  border-radius: var(--radius-md);
}

.link-arrow.on-light-border:hover {
  background: rgba(255, 255, 255, 0.05);
}