/* ============ 品牌介绍页样式 ============ */

/* ---------- 页面 Banner ---------- */
.page-banner {
  position: relative;
  padding: calc(var(--header-h) + 90px) 0 90px;
  background: var(--c-dark);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      800px 400px at 50% -20%,
      rgba(255, 106, 0, 0.25),
      transparent 65%
    ),
    radial-gradient(
      600px 300px at 85% 120%,
      rgba(47, 107, 255, 0.2),
      transparent 60%
    );
}
.page-banner .container {
  position: relative;
  z-index: 2;
}
.banner-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--c-primary-2);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.banner-title {
  font-size: clamp(30px, 5vw, 50px);
  font-weight: 900;
  letter-spacing: 2px;
}
.banner-sub {
  margin-top: 16px;
  color: #aab6d6;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  font-size: 16px;
}
.banner-deco {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
}
.banner-deco.d1 {
  width: 300px;
  height: 300px;
  background: rgba(255, 106, 0, 0.3);
  top: -80px;
  left: -60px;
  animation: floatSlow 10s ease-in-out infinite;
}
.banner-deco.d2 {
  width: 260px;
  height: 260px;
  background: rgba(0, 212, 255, 0.25);
  bottom: -100px;
  right: -40px;
  animation: floatSlow 12s ease-in-out infinite reverse;
}

/* ---------- 品牌详情区块 ---------- */
.brand-detail {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  padding: 90px 0;
}
.brand-detail + .brand-detail {
  border-top: 1px solid var(--c-line);
}
.brand-detail.flip .bd-visual {
  order: 2;
}

.bd-visual {
  position: relative;
  display: grid;
  place-items: center;
}
.bd-logo-ring {
  position: relative;
  width: min(340px, 76vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.bd-logo-ring::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px dashed rgba(255, 106, 0, 0.4);
  animation: spin 34s linear infinite;
}
.bd-logo-ring::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px dashed rgba(47, 107, 255, 0.3);
  animation: spin 26s linear infinite reverse;
}
.bd-logo {
  width: 58%;
  border-radius: 24%;
  box-shadow: 0 30px 70px rgba(18, 34, 74, 0.22);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  background: #fff;
  padding: 8px;
}
.bd-logo.txt {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: var(--grad-tech);
  color: #fff;
  font-size: 64px;
  font-weight: 900;
  padding: 0;
}
.brand-detail:hover .bd-logo {
  transform: scale(1.07) rotate(-3deg);
}
.bd-glow {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  z-index: -1;
}

.bd-content .bd-tag {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 2.5px;
  color: var(--c-primary);
  font-weight: 700;
  border: 1px solid rgba(255, 106, 0, 0.3);
  background: rgba(255, 106, 0, 0.06);
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.bd-content h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  letter-spacing: 1px;
}
.bd-content .bd-slogan {
  color: var(--c-primary);
  font-weight: 600;
  font-size: 17px;
  margin: 8px 0 18px;
  letter-spacing: 1px;
}
.bd-content > p {
  color: var(--c-text-2);
  font-size: 15px;
}
.bd-points {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}
.bd-points li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 16px 20px;
  transition:
    transform 0.3s,
    box-shadow 0.3s,
    border-color 0.3s;
}
.bd-points li:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 106, 0, 0.35);
}
.bd-points .pt-ic {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 18px;
  background: linear-gradient(
    135deg,
    rgba(255, 106, 0, 0.12),
    rgba(255, 154, 61, 0.05)
  );
}
.bd-points b {
  display: block;
  font-size: 15.5px;
}
.bd-points span {
  color: var(--c-text-2);
  font-size: 13.5px;
}

/* ---------- 公司概况时间线 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.about-text p {
  color: #aab6d6;
  font-size: 15.5px;
  margin-bottom: 18px;
}
.about-text p b {
  color: #fff;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}
.about-stat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 22px 14px;
  text-align: center;
  transition:
    transform 0.3s,
    border-color 0.3s;
}
.about-stat:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, 0.45);
}
.about-stat p {
  color: #aab6d6;
  font-size: 12.5px;
  margin-top: 6px;
}

.timeline {
  position: relative;
  padding-left: 34px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-primary), rgba(0, 212, 255, 0.6));
  border-radius: 2px;
}
.tl-item {
  position: relative;
  padding: 0 0 34px 20px;
}
.tl-item:last-child {
  padding-bottom: 0;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-dark);
  border: 3px solid var(--c-primary);
  box-shadow: 0 0 0 5px rgba(255, 106, 0, 0.15);
}
.tl-time {
  color: var(--c-primary-2);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 1px;
}
.tl-item h4 {
  color: #fff;
  font-size: 17px;
  margin: 4px 0;
}
.tl-item p {
  color: #9aa8cc;
  font-size: 13.5px;
}

.synergy-flow {
  display: grid;
  /* 两个卡片，加宽单卡片最大宽度，居中展示 */
  grid-template-columns: repeat(2, minmax(280px, 550px));
  gap: 40px;
  justify-content: center;
  position: relative;
}
.synergy-item {
  text-align: center;
  padding: 36px 26px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.35s,
    box-shadow 0.35s;
  position: relative;
}
.synergy-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.synergy-item img,
.synergy-item .sy-logo {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  margin: 0 auto 14px;
  background: #fff;
  padding: 4px;
  box-shadow: 0 10px 26px rgba(18, 34, 74, 0.14);
}
.synergy-item .sy-logo {
  display: grid;
  place-items: center;
  background: var(--grad-tech);
  color: #fff;
  font-size: 24px;
  font-weight: 900;
  padding: 0;
}
.synergy-item h4 {
  font-size: 17px;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.synergy-item p {
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 500;
  margin-top: 0;
}
.synergy-item .sy-desc {
  margin-top: 16px;
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  text-align: center;
}

/* 删除原来箭头全部样式 */

@media (max-width: 960px) {
  .brand-detail {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 64px 0;
  }
  .brand-detail.flip .bd-visual {
    order: 0;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .synergy-flow {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
    gap: 28px;
  }
}
@media (max-width: 640px) {
  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
  .synergy-flow {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}