/* ===== About Page Optimized ===== */
.about-section{
  position:relative;
}

.about-section + .about-section{
  margin-top:18px;
  
}

#milestone{
 background:var(--soft);
  
}



.about-section + .about-section::before{
  content:"";
  position:absolute;
  top:-10px;
  left:50%;
  transform:translateX(-50%);
  width:min(1180px, calc(100% - 48px));
  height:1px;
  background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--brand) 22%, transparent), color-mix(in srgb, var(--accent) 42%, transparent), color-mix(in srgb, var(--brand) 22%, transparent), transparent);
  box-shadow:0 0 26px color-mix(in srgb, var(--brand) 16%, transparent);
}

/* 四大区块颜色区分 */
.about-section-company{
  --section-tint: color-mix(in srgb, var(--brand) 10%, #ffffff);
  --section-glow: color-mix(in srgb, var(--brand) 18%, transparent);
}

.about-section-timeline{
  --section-tint: color-mix(in srgb, var(--accent) 10%, #ffffff);
  --section-glow: color-mix(in srgb, var(--accent) 18%, transparent);
}

.about-section-investors{
  --section-tint: color-mix(in srgb, var(--brand-dark) 8%, #ffffff);
  --section-glow: color-mix(in srgb, var(--brand-dark) 14%, transparent);
}

.about-section-certs{
  --section-tint: color-mix(in srgb, var(--brand) 6%, var(--accent) 6%, #ffffff);
  --section-glow: color-mix(in srgb, var(--accent) 16%, transparent);
}

.about-section-company .section-head,
.about-section-timeline .scroll-head,
.about-section-investors .section-head,
.about-section-certs .scroll-head{
  position:relative;
  padding:28px 30px;
  border-radius:28px;
  background:linear-gradient(180deg, var(--section-tint) 0%, rgba(255,255,255,.92) 100%);
  border:1px solid color-mix(in srgb, var(--line) 88%, var(--section-glow) 12%);
  box-shadow:0 18px 44px -34px rgba(15,23,42,.12);
}

.about-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:stretch;
}

.about-panel{
  position:relative;
  border:1px solid var(--line);
  border-radius:28px;
  background:linear-gradient(180deg, #ffffff 0%, var(--section-tint) 100%);
  padding:34px;
  overflow:hidden;
  box-shadow:var(--shadow);
}

.about-panel::before,
.timeline-card::before,
.cert-card::before,
.logo-card::before,
.stat-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  /*background:linear-gradient(90deg, var(--brand), var(--accent), color-mix(in srgb, var(--brand) 32%, transparent));*/
}

.about-panel::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent) 0%, rgba(83,179,255,0) 68%);
  pointer-events:none;
}

.lead-strong{
  font-size:1.14rem;
  line-height:1.9;
  color:var(--ink);
  margin-bottom:14px;
}

.about-panel p{
  color:var(--muted);
  line-height:1.9;
  margin-bottom:14px;
  position:relative;
  z-index:1;
}

.tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
  position:relative;
  z-index:1;
}

.adv-tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border-radius:999px;
  background:color-mix(in srgb, var(--brand) 8%, #ffffff);
  border:1px solid color-mix(in srgb, var(--brand) 14%, var(--line));
  color:var(--ink);
  font-size:.94rem;
  font-weight:700;
  transition:.25s ease;
}

.adv-tag i{
  color:var(--brand);
  font-size:.92rem;
}

.adv-tag:hover{
  transform:translateY(-2px);
  background:color-mix(in srgb, var(--brand) 12%, #ffffff);
  box-shadow:0 12px 28px color-mix(in srgb, var(--brand) 10%, transparent);
}

.visual-card{
  position:relative;
  border:1px solid var(--line);
  border-radius:28px;
  background:linear-gradient(145deg, #08142e 0%, #12306b 42%, #0b1220 100%);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  min-height:100%;
}

.visual-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 78% 18%, rgba(83,179,255,.35), transparent 22%),
    radial-gradient(circle at 15% 80%, rgba(31,107,255,.28), transparent 26%),
    linear-gradient(135deg, rgba(83,179,255,.14), transparent 42%);
  z-index:0;
}

.visual-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:30px 30px;
  opacity:.18;
  z-index:0;
}

.visual-media{
  position:relative;
  min-height:380px;
  background:
    linear-gradient(180deg, rgba(8,16,38,.18), rgba(8,16,38,.60)),
    url('https://sghimages.shobserver.com/img/catch/2025/11/30/600dce01-23a6-465a-8fc3-5e37776c4e8f.jpg') center/cover no-repeat;
  z-index:1;
}

.visual-overlay{
  position:relative;
  padding:26px;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:-86px;
  z-index:2;
}

.data-tile{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.10);
  backdrop-filter:blur(12px);
  border-radius:20px;
  padding:18px 16px;
  color:#ffffff;
  min-height:118px;
  box-shadow:0 16px 40px rgba(0,0,0,.16);
}

.data-tile:hover{
  
  transform: translateY(-1px);
  
  
}


.h-scroll.is-manual-scrolling{
  scroll-behavior:smooth;
}

.data-tile strong{
  display:block;
  font-size:1.46rem;
  letter-spacing:-.03em;
  margin-bottom:8px;
  color:#ffffff;
}

.data-tile span{
  display:block;
  font-size:.93rem;
  line-height:1.7;
  color:rgba(255,255,255,.82);
}

.scroll-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
}

.scroll-actions{
  display:flex;
  gap:10px;
}

.scroll-btn{
  width:42px;
  height:42px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#ffffff;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 16px 32px -28px rgba(15,23,42,.24);
  transition:.25s ease;
}

.scroll-btn:hover{
  background:var(--brand);
  border-color:var(--brand);
  color:#ffffff;
  transform:translateY(-2px);
}

.h-scroll{
  display:flex;
  gap:18px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:6px;
  scroll-behavior:smooth;
}

.h-scroll::-webkit-scrollbar{
  display:none;
}



/* 投资机构 */
.logo-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.logo-card{
  position:relative;
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--brand-dark) 4%, #ffffff) 100%);
  padding:22px 18px 20px;
  text-align:center;
  overflow:hidden;
  box-shadow:0 18px 42px -34px rgba(15,23,42,.18);
  transition:transform .28s ease, box-shadow .28s ease;
}

.logo-card:hover{
  transform:translateY(-3px);
  box-shadow:0 24px 52px -34px rgba(15,23,42,.20);
  border-color:var(--line);
}

.logo-mark{
  width:100%;
  height:180px;
  border-radius:18px;
  margin:0 auto 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  /*background:linear-gradient(135deg, color-mix(in srgb, var(--brand) 5%, #ffffff), color-mix(in srgb, var(--accent) 14%, #ffffff));
  border:1px solid color-mix(in srgb, var(--brand) 10%, var(--line));*/
  overflow:hidden;
  padding:12px;
}

.logo-mark img{
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  display:block;
  padding:10px;
  filter:brightness(1.2) contrast(1.2);
  mix-blend-mode:multiply;
}

.logo-placeholder{
  font-size:1rem;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.04em;
}

.logo-card h3{
  font-size:1.04rem;
  font-weight:760;
  margin:.2rem 0 .5rem;
  color:var(--ink);
}

.logo-card p{
  color:var(--muted);
  line-height:1.76;
  margin:0;
  font-size:.94rem;
}

/* 专利与资质 */
.cert-card{
  position:relative;
  flex:0 0 300px;
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--accent) 4%, #ffffff) 100%);
  overflow:hidden;
  box-shadow:0 18px 42px -34px rgba(15,23,42,.18);
  transition:box-shadow .28s ease, border-color .28s ease;
}

.cert-card:hover{
  box-shadow:0 24px 52px -34px rgba(15,23,42,.22);
  border-color:var(--line);
}

.cert-thumb{
  /*aspect-ratio:4/5;*/
  background:linear-gradient(145deg, color-mix(in srgb, var(--brand) 6%, #ffffff) 0%, color-mix(in srgb, var(--accent) 12%, #ffffff) 100%);
  position:relative;
  overflow:hidden;
  padding:14px;
}

.cert-thumb img{
  width: 100%;
  /*height: 100%;*/
  object-fit: cover;
  object-position: left;  /* 关键：从左侧开始裁剪/对齐 */
  display: block;
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(15,23,42,.12);
  transition: transform .35s ease;
}

.cert-card:hover .cert-thumb img{
  transform:scale(1.02);
}

.cert-badge{
  position:absolute;
  left:24px;
  bottom:24px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(15,23,42,.68);
  color:#ffffff;
  font-size:.82rem;
  backdrop-filter:blur(8px);
}

.cert-info{
  padding:18px 18px 20px;
}

.cert-card h3{
  font-size:1.08rem;
  font-weight:760;
  margin:.2rem 0 .7rem;
  color:var(--ink);
}


.cert-card h4{
  font-size:1rem;
  font-weight:760;
  margin:.2rem 0 .7rem;
  color:var(--ink);
  text-align: center;
}

.cert-card p{
  color:var(--muted);
  line-height:1.82;
  margin:0;
}

/* 响应式 */
@media (max-width:1199.98px){
  .logo-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .about-grid{
    grid-template-columns:1fr;
  }
}

/* 时间轴响应式：平板每行2个 */
@media (max-width: 992px) {
  .timeline-card {
    width: calc(50% - 0.875rem);
  }
  
  .timeline-grid {
    gap: 1.5rem;
  }
}

@media (max-width:767.98px){
  .logo-grid,
  .visual-overlay{
    grid-template-columns:1fr;
  }

  .cert-card{
    flex-basis:84vw;
  }

  .about-panel{
    padding:26px 22px;
  }

  .visual-media{
    min-height:280px;
  }

  .about-section-company .section-head,
  .about-section-timeline .scroll-head,
  .about-section-investors .section-head,
  .about-section-certs .scroll-head{
    padding:22px 20px;
    border-radius:22px;
  }
}

/* ===== 时间轴网格布局 - 按年份聚合（每年一卡）===== */

.timeline-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  margin-top: 1rem;
}

.timeline-card {
  flex: 0 0 auto;
  width: calc(33.333% - 1.167rem);
  background: #ffffff;
  border-radius: 28px;
  padding: 1.75rem 1.5rem;
  transition: all 0.3s ease;
  border: 1px solid var(--line);
  box-shadow: 0 18px 42px -34px rgba(15, 23, 42, 0.12);
  position: relative;
  overflow: hidden;
}

.timeline-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--brand) 30%, var(--line));
  box-shadow: 0 24px 52px -30px rgba(15, 23, 42, 0.2);
}

/* 装饰性顶部渐变条 */
.timeline-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--accent), color-mix(in srgb, var(--brand) 32%, transparent));
}

/* 未来卡片特殊样式 */
.timeline-future {
  background: linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--brand) 3%, #ffffff) 100%);
  border-style: dashed;
  border-color: color-mix(in srgb, var(--brand) 40%, var(--line));
}

.timeline-future::before {
  background: linear-gradient(90deg, color-mix(in srgb, var(--brand) 60%, #ccc), color-mix(in srgb, var(--accent) 50%, #ccc));
  opacity: 0.7;
}

.future-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: color-mix(in srgb, var(--brand) 10%, #ffffff);
  color: var(--brand);
  font-weight: 600;
}

.timeline-year {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.timeline-year i {
  font-size: 0.9rem;
}

.timeline-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0.5rem 0 1rem;
  color: var(--ink);
  letter-spacing: -0.3px;
}

.timeline-list {
  margin: 0;
  padding-left: 1.25rem;
  list-style: none;
}

.timeline-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.timeline-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--brand);
  font-size: 0.8rem;
}

/* 响应式：平板每行2个 */
@media (max-width: 992px) {
  .timeline-card {
    width: calc(50% - 0.875rem);
  }
  
  .timeline-grid {
    gap: 1.5rem;
  }
}

/* 响应式：手机每行1个 */
@media (max-width: 576px) {
  .timeline-grid {
    gap: 1.25rem;
  }
  
  .timeline-card {
    width: 100%;
    padding: 1.5rem;
  }
  
  .timeline-card h3 {
    font-size: 1.15rem;
  }
  
  .timeline-year {
    font-size: 0.85rem;
    padding: 4px 12px;
  }
  
  .timeline-list li {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
  }
  
  .future-badge {
    bottom: 1rem;
    right: 1rem;
    font-size: 0.65rem;
  }
}






/* 描述行：左右对齐布局 */
.section-desc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.section-desc-row .p-lead {
  flex: 1;
  min-width: 200px;
}

/* 网格布局：一行4个 */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}

/* 卡片样式 */
.certs-grid .cert-card {
  flex: none;
  width: auto;
  margin: 0;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.certs-grid .cert-card:hover {
  transform: translateY(-4px);
}

/* 更多专利链接样式 */
.more-patents-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 40px;
  background: color-mix(in srgb, var(--brand) 5%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--brand) 15%, var(--line));
  color: var(--brand-dark);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.more-patents-link i:first-child {
  font-size: 0.95rem;
  color: var(--brand);
}

.more-patents-link i:last-child {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.more-patents-link:hover {
  background: color-mix(in srgb, var(--brand) 10%, #ffffff);
  border-color: color-mix(in srgb, var(--brand) 30%, var(--line));
  color: var(--brand);
  transform: translateY(-1px);
}

.more-patents-link:hover i:last-child {
  transform: translateX(3px);
}

/* 响应式：平板每行2个 */
@media (max-width: 992px) {
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* 响应式：手机每行1个 */
@media (max-width: 576px) {
  .certs-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  
  .section-desc-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .more-patents-link {
    white-space: normal;
  }
}