/* ==========================================================================
   三迪思卡特建站 3dscart.com - 页面特定样式
   每个页面模块独立原创设计
   ========================================================================== */

/* ---------- 首页 Hero 区 ---------- */
.hero-home {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(255, 217, 90, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(126, 192, 255, 0.18) 0%, transparent 55%),
    linear-gradient(160deg, var(--pure-white) 0%, var(--cloud) 40%, var(--sock-blue-50) 100%);
}
.hero-home::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(43, 135, 230, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 135, 230, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text .eyebrow { margin-bottom: 24px; }
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--sock-yellow-500), var(--sock-orange-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title .accent-blue {
  background: linear-gradient(135deg, var(--sock-blue-400), var(--sock-blue-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.12rem;
  line-height: 1.85;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--ink-900);
  line-height: 1;
}
.hero-stat .num span {
  background: linear-gradient(135deg, var(--sock-yellow-500), var(--sock-blue-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .lbl {
  font-size: 0.88rem;
  color: var(--ink-500);
  margin-top: 6px;
}

/* Hero 右侧 3D 视觉拼布 */
.hero-quilt {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}
.q-cell {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.q-cell.q1 {
  grid-column: 1 / -1;
  padding: 0;
  overflow: hidden;
}
.q-cell.q1 img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.q-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sock-blue-600);
  z-index: 2;
}
.q-cell.q2 {
  background: linear-gradient(135deg, var(--sock-yellow-100), var(--sock-yellow-50));
  border-color: var(--sock-yellow-200);
}
.q-cell.q3 {
  background: linear-gradient(135deg, var(--sock-blue-100), var(--sock-blue-50));
  border-color: var(--sock-blue-200);
}
.q-cell strong { display: block; margin-bottom: 4px; }
.q-cell small { color: var(--ink-500); font-size: 0.82rem; }

/* 浮动 3D 立方体装饰 */
.float-cube {
  position: absolute;
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--sock-yellow-300), var(--sock-orange-300));
  border-radius: 14px;
  opacity: 0.6;
  animation: floatCube 6s ease-in-out infinite;
  z-index: 0;
}
.float-cube.cube-1 { top: 15%; right: 8%; animation-delay: 0s; }
.float-cube.cube-2 { bottom: 20%; left: 5%; width: 40px; height: 40px; background: linear-gradient(135deg, var(--sock-blue-300), var(--sock-blue-400)); animation-delay: 2s; }
@keyframes floatCube {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(15deg); }
}

/* ---------- 核心优势四象限 ---------- */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.adv-quadrant {
  background: var(--pure-white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  position: relative;
  transition: all .4s var(--ease);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}
.adv-quadrant::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--sock-yellow-400), var(--sock-blue-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.adv-quadrant:hover::before { transform: scaleX(1); }
.adv-quadrant:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.adv-quadrant:nth-child(1) { background: linear-gradient(135deg, var(--sock-yellow-50), var(--pure-white)); }
.adv-quadrant:nth-child(2) { background: linear-gradient(135deg, var(--sock-blue-50), var(--pure-white)); }
.adv-quadrant:nth-child(3) { background: linear-gradient(135deg, var(--pure-white), var(--sock-yellow-50)); }
.adv-quadrant:nth-child(4) { background: linear-gradient(135deg, var(--pure-white), var(--sock-blue-50)); }
.adv-quadrant .ico {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--sock-yellow-300), var(--sock-orange-300));
  display: grid; place-items: center;
  color: var(--pure-white);
  margin-bottom: 24px;
  box-shadow: 0 8px 20px rgba(255, 140, 66, 0.25);
}
.adv-quadrant:nth-child(2) .ico,
.adv-quadrant:nth-child(4) .ico {
  background: linear-gradient(135deg, var(--sock-blue-300), var(--sock-blue-500));
  box-shadow: 0 8px 20px rgba(43, 135, 230, 0.25);
}
.adv-quadrant h3 { margin-bottom: 14px; font-size: 1.35rem; }
.adv-quadrant p { font-size: 0.96rem; line-height: 1.8; }

/* ---------- 服务流程时间轴 ---------- */
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  padding: 20px 0;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 52px;
  left: 8%;
  right: 8%;
  height: 5px;
  background: linear-gradient(90deg, var(--sock-yellow-300), var(--sock-blue-300), var(--sock-yellow-300));
  border-radius: 3px;
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 0;
}
.process-step .step-num {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  background: var(--pure-white);
  border: 4px solid var(--sock-yellow-400);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--sock-blue-600);
  box-shadow: 0 4px 16px rgba(255, 201, 40, 0.25);
  transition: all .4s var(--ease-bounce);
}
.process-step:hover .step-num {
  transform: scale(1.12);
  border-color: var(--sock-blue-400);
  box-shadow: 0 8px 24px rgba(74, 163, 255, 0.3);
}
.process-step h4 { margin-bottom: 10px; font-size: 1.05rem; }
.process-step p { font-size: 0.86rem; color: var(--ink-500); line-height: 1.7; }

/* ---------- 案例卡片 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: var(--pure-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  display: block;
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--sock-yellow-200);
}
.case-img {
  position: relative;
  overflow: hidden;
  height: 220px;
}
.case-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.case-card:hover .case-img img { transform: scale(1.08); }
.case-tag {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--sock-blue-600);
}
.case-body { padding: 24px; }
.case-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  transition: color .3s var(--ease);
}
.case-card:hover .case-title { color: var(--sock-blue-500); }
.case-desc {
  font-size: 0.9rem;
  color: var(--ink-500);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--ink-300);
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* ---------- 数据统计带 ---------- */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: linear-gradient(135deg, var(--ink-900), var(--sock-blue-700));
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.stat-band::before {
  content: "";
  position: absolute;
  top: -50%; right: -20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255, 217, 90, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.stat-item { text-align: center; position: relative; z-index: 1; }
.stat-num {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--sock-yellow-300);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-lbl {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 资讯卡片 ---------- */
.news-quilt {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--pure-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  display: block;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--sock-blue-200);
}
.news-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.news-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.news-card:hover .news-img img { transform: scale(1.06); }
.news-body { padding: 22px; }
.news-date {
  font-size: 0.8rem;
  color: var(--sock-blue-500);
  font-weight: 700;
  margin-bottom: 8px;
}
.news-title {
  font-size: 1.08rem;
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color .3s var(--ease);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover .news-title { color: var(--sock-blue-500); }
.news-excerpt {
  font-size: 0.88rem;
  color: var(--ink-500);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--ink-300);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(135deg, var(--sock-blue-600), var(--ink-900));
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -30%; right: -10%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(255, 217, 90, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-banner h2 { color: var(--pure-white); margin-bottom: 12px; }
.cta-banner p { color: rgba(255, 255, 255, 0.8); font-size: 1.05rem; }

/* ---------- 资讯列表页 ---------- */
.news-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  padding: 20px;
  background: var(--pure-white);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
}
.filter-chip {
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-500);
  background: var(--mist);
  transition: all .3s var(--ease);
  border: 1px solid transparent;
}
.filter-chip:hover { color: var(--sock-blue-500); background: var(--sock-blue-50); }
.filter-chip.active {
  background: linear-gradient(135deg, var(--sock-yellow-400), var(--sock-orange-400));
  color: var(--pure-white);
  box-shadow: 0 4px 12px rgba(255, 140, 66, 0.25);
}
.news-list-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* ---------- 文章详情页 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}
.article-main {
  background: var(--pure-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--line-soft);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--line-soft);
  font-size: 0.88rem;
  color: var(--ink-500);
}
.article-meta .author {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--ink-700);
}
.article-meta .avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sock-yellow-400), var(--sock-blue-400));
  color: var(--pure-white);
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 0.9rem;
}
.article-body {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ink-700);
}
.article-body img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 28px;
}
.article-body h2, .article-body h3 {
  margin: 32px 0 16px;
}
.article-body p { margin-bottom: 18px; color: var(--ink-700); }

/* 侧边栏 */
.article-side { position: sticky; top: 100px; }
.side-block {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  border: 1px solid var(--line-soft);
}
.side-block h4 {
  display: flex;
  align-items: center;
  font-size: 1rem;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--sock-yellow-200);
}
.side-news-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
  transition: all .3s var(--ease);
}
.side-news-item:last-child { border-bottom: 0; }
.side-news-item:hover { padding-left: 4px; }
.side-news-item .thumb {
  width: 80px; height: 60px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.side-news-item .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.side-news-item .info { flex: 1; min-width: 0; }
.side-news-item .t-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-700);
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.side-news-item:hover .t-title { color: var(--sock-blue-500); }
.side-news-item .t-date {
  font-size: 0.76rem;
  color: var(--ink-300);
}

/* ---------- 服务详情页 ---------- */
.service-hero-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  box-shadow: var(--shadow);
}
.service-hero-img img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.service-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0;
}
.service-feature {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.service-feature::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--sock-yellow-400), var(--sock-blue-400));
  transform: scaleX(0);
  transition: transform .4s var(--ease);
}
.service-feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.service-feature:hover::after { transform: scaleX(1); }
.service-feature .sf-ico {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--sock-yellow-200), var(--sock-yellow-300));
  display: grid; place-items: center;
  color: var(--sock-yellow-700);
  margin-bottom: 20px;
}
.service-feature h4 { margin-bottom: 10px; font-size: 1.1rem; }
.service-feature p { font-size: 0.9rem; line-height: 1.75; }

/* ---------- 关于页面 ---------- */
.about-timeline {
  position: relative;
  padding: 20px 0;
}
.about-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 5px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--sock-yellow-400), var(--sock-blue-400), var(--sock-yellow-400));
  border-radius: 3px;
}
.tl-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
  margin-bottom: 20px;
}
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; text-align: left; }
.tl-item::before {
  content: "";
  position: absolute;
  top: 32px;
  width: 20px; height: 20px;
  background: var(--pure-white);
  border: 4px solid var(--sock-yellow-400);
  border-radius: 50%;
  z-index: 2;
}
.tl-item:nth-child(odd)::before { right: -10px; }
.tl-item:nth-child(even)::before { left: -10px; }
.tl-year {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--sock-blue-500);
  margin-bottom: 8px;
}
.tl-content {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
}
.tl-content h4 { margin-bottom: 8px; }
.tl-content p { font-size: 0.92rem; }

/* 团队网格 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--pure-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  text-align: center;
}
.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.team-card .team-photo {
  width: 100%;
  height: 240px;
  overflow: hidden;
}
.team-card .team-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.team-card:hover .team-photo img { transform: scale(1.06); }
.team-card .team-info { padding: 24px 20px; }
.team-card h4 { margin-bottom: 4px; font-size: 1.1rem; }
.team-card .role {
  font-size: 0.85rem;
  color: var(--sock-blue-500);
  font-weight: 600;
  margin-bottom: 10px;
}
.team-card p { font-size: 0.85rem; line-height: 1.6; }

/* ---------- 报价页面 ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.pricing-card {
  background: var(--pure-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 2px solid var(--line);
  transition: all .4s var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border-color: var(--sock-yellow-400);
  background: linear-gradient(180deg, var(--sock-yellow-50), var(--pure-white));
  box-shadow: var(--shadow-yellow);
}
.pricing-card.featured::before {
  content: "推荐方案";
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--sock-yellow-400), var(--sock-orange-400));
  color: var(--pure-white);
  padding: 5px 20px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.pricing-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.pricing-desc {
  font-size: 0.9rem;
  color: var(--ink-500);
  margin-bottom: 24px;
}
.pricing-price {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 2px dashed var(--line);
}
.pricing-price .amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--ink-900);
  line-height: 1;
}
.pricing-price .unit {
  font-size: 1rem;
  color: var(--ink-500);
  margin-left: 4px;
}
.pricing-features {
  flex: 1;
  margin-bottom: 28px;
}
.pricing-features li {
  padding: 10px 0;
  font-size: 0.92rem;
  color: var(--ink-700);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.pricing-features li:last-child { border-bottom: 0; }
.pricing-features li::before {
  content: "✓";
  color: var(--sock-blue-500);
  font-weight: 900;
  flex-shrink: 0;
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: var(--pure-white);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: all .3s var(--ease);
}
.faq-item.open {
  border-color: var(--sock-blue-300);
  box-shadow: var(--shadow-sm);
}
.faq-q {
  padding: 24px 28px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--sock-blue-500);
  font-weight: 400;
  transition: transform .3s var(--ease);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), padding .4s var(--ease);
  padding: 0 28px;
}
.faq-item.open .faq-a {
  max-height: 500px;
  padding: 0 28px 24px;
}
.faq-a p {
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-500);
}

/* ---------- 联系页面 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  background: linear-gradient(135deg, var(--sock-blue-600), var(--ink-900));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--pure-white);
  position: relative;
  overflow: hidden;
}
.contact-info-card::before {
  content: "";
  position: absolute;
  top: -30%; right: -20%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255, 217, 90, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.contact-info-card h3 { color: var(--pure-white); margin-bottom: 24px; position: relative; z-index: 1; }
.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.contact-item .ci-ico {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  display: grid; place-items: center;
  color: var(--sock-yellow-300);
  flex-shrink: 0;
}
.contact-item .ci-text h5 { color: var(--pure-white); font-size: 0.95rem; margin-bottom: 4px; }
.contact-item .ci-text p { color: rgba(255, 255, 255, 0.75); font-size: 0.9rem; margin: 0; }

.contact-form-card {
  background: var(--pure-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
}

/* ---------- 404 页面 ---------- */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 60px 20px;
  background:
    radial-gradient(circle at 30% 40%, rgba(255, 217, 90, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(126, 192, 255, 0.15) 0%, transparent 50%),
    var(--cloud);
}
.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--sock-yellow-400), var(--sock-blue-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

/* ---------- 作品展示 ---------- */
.works-masonry {
  columns: 3;
  column-gap: 24px;
}
.work-item {
  break-inside: avoid;
  margin-bottom: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: all .4s var(--ease);
}
.work-item img {
  width: 100%;
  display: block;
  transition: transform .6s var(--ease);
}
.work-item:hover img { transform: scale(1.05); }
.work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 43, 74, 0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.work-item:hover .work-overlay { opacity: 1; }
.work-overlay h4 { color: var(--pure-white); margin-bottom: 4px; }
.work-overlay p { color: rgba(255, 255, 255, 0.8); font-size: 0.85rem; }

/* ---------- 下载中心 ---------- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.download-card {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  display: flex;
  flex-direction: column;
}
.download-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--sock-yellow-200);
}
.dl-ico {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--sock-blue-200), var(--sock-blue-300));
  display: grid; place-items: center;
  color: var(--sock-blue-600);
  margin-bottom: 20px;
}
.download-card h4 { margin-bottom: 8px; font-size: 1.1rem; }
.download-card .dl-meta {
  font-size: 0.82rem;
  color: var(--ink-300);
  margin-bottom: 16px;
}
.download-card .dl-desc {
  font-size: 0.9rem;
  color: var(--ink-500);
  flex: 1;
  margin-bottom: 20px;
}

/* ---------- 文档中心 ---------- */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}
.docs-sidebar {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line-soft);
  position: sticky;
  top: 100px;
}
.docs-sidebar h5 {
  font-size: 0.85rem;
  color: var(--ink-300);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  padding: 0 8px;
}
.docs-sidebar ul li a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--ink-700);
  transition: all .3s var(--ease);
}
.docs-sidebar ul li a:hover,
.docs-sidebar ul li a.active {
  background: var(--sock-blue-50);
  color: var(--sock-blue-500);
}
.docs-content {
  background: var(--pure-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--line-soft);
}

/* ---------- 合作伙伴 ---------- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.partner-logo {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 28px 20px;
  border: 1px solid var(--line-soft);
  display: grid;
  place-items: center;
  text-align: center;
  transition: all .4s var(--ease);
  min-height: 100px;
}
.partner-logo:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--sock-blue-200);
}
.partner-logo span {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink-500);
}

/* ---------- 解决方案卡片 ---------- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.solution-card {
  background: var(--pure-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  display: block;
}
.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.solution-card .sol-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.solution-card .sol-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.solution-card:hover .sol-img img { transform: scale(1.06); }
.solution-card .sol-body { padding: 28px; }
.solution-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.solution-card p { font-size: 0.92rem; line-height: 1.7; margin-bottom: 16px; }
.solution-card .sol-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 网站地图 ---------- */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.sitemap-col h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--sock-yellow-300);
  display: inline-block;
}
.sitemap-col ul li {
  margin-bottom: 10px;
}
.sitemap-col ul li a {
  font-size: 0.92rem;
  color: var(--ink-500);
  transition: all .3s var(--ease);
}
.sitemap-col ul li a:hover {
  color: var(--sock-blue-500);
  padding-left: 4px;
}

/* ---------- 加入我们 ---------- */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.job-card {
  background: var(--pure-white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
}
.job-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--sock-blue-200);
}
.job-card .job-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}
.job-card h4 { font-size: 1.2rem; margin-bottom: 4px; }
.job-card .job-dept { font-size: 0.85rem; color: var(--sock-blue-500); font-weight: 600; }
.job-card .job-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.job-card .job-desc { font-size: 0.9rem; color: var(--ink-500); line-height: 1.7; margin-bottom: 20px; }