/* Homepage Hero — 深色科技风 */
.hero--home {
  position: relative;
  min-height: min(82vh, 760px);
  align-items: stretch;
  background:
    radial-gradient(ellipse 70% 55% at 75% 35%, rgba(37, 99, 235, 0.28) 0%, transparent 58%),
    radial-gradient(ellipse 45% 35% at 12% 75%, rgba(6, 182, 212, 0.14) 0%, transparent 52%),
    linear-gradient(135deg, #030712 0%, #0a1628 38%, #061018 72%, #020617 100%);
}

/* 深色遮罩：压住 banner 图的“洗白”效果 */
.hero--home::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(105deg, rgba(3, 7, 18, 0.88) 0%, rgba(3, 7, 18, 0.62) 42%, rgba(5, 14, 32, 0.48) 68%, rgba(3, 7, 18, 0.72) 100%),
    linear-gradient(180deg, rgba(2, 6, 16, 0.55) 0%, transparent 38%, rgba(2, 6, 16, 0.65) 100%);
}

.hero--home .hero__bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.18;
  mix-blend-mode: normal;
  filter: saturate(1.15) brightness(0.75);
}

.hero--home .hero__canvas {
  z-index: 2;
  opacity: 0.9;
}

.hero--home .hero__grid-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.55;
  background:
    linear-gradient(rgba(56, 189, 248, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, #000 15%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, #000 15%, transparent 78%);
}

.hero--home .hero__glow--primary {
  z-index: 2;
  width: 820px;
  height: 820px;
  top: -200px;
  right: -120px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.45) 0%, rgba(37, 99, 235, 0.12) 42%, transparent 68%);
}

.hero--home .hero__glow--secondary {
  z-index: 2;
  width: 520px;
  height: 520px;
  bottom: -140px;
  left: -80px;
  top: auto;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.28) 0%, transparent 68%);
}

.hero--home .hero__inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: flex-start;
  gap: 40px 32px;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 88px 24px 36px;
  min-height: inherit;
}

.hero--home .hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  align-self: center;
}

.hero--home .hero__content {
  padding: 0;
  max-width: none;
}

.hero--home .hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 8px 16px 8px 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(186, 230, 253, 0.95);
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero--home .hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 12px #22d3ee;
  animation: heroPulse 2s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero--home h1 {
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  max-width: 14em;
  background: linear-gradient(180deg, #ffffff 0%, #93c5fd 55%, #60a5fa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 24px rgba(59, 130, 246, 0.3));
}

.hero--home .hero__br {
  display: none;
}

.hero--home p {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: rgba(186, 203, 225, 0.95);
  margin-bottom: 24px;
  max-width: 36em;
}

.hero--home .hero__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-bottom: 28px;
  list-style: none;
  padding: 0;
}

.hero--home .hero__highlights li {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(226, 232, 240, 0.95);
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(96, 165, 250, 0.28);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.08);
}

.hero--home .hero__highlights li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.6);
  flex-shrink: 0;
}

.hero--home .hero__actions {
  margin-bottom: 36px;
}

.hero--home .btn--ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(226, 232, 240, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hero--home .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(96, 165, 250, 0.5);
  color: #fff;
}

.hero--home .hero__stats.stats-strip {
  justify-content: flex-start;
  gap: 16px;
  padding: 0;
  border-top: none;
  flex-wrap: wrap;
}

.hero--home .stat-item {
  flex: 1 1 120px;
  min-width: 120px;
  max-width: 160px;
  padding: 14px 12px;
  text-align: left;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.hero--home .stat-item:hover {
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 4px 28px rgba(37, 99, 235, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.hero--home .stat-item strong {
  display: block;
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  font-weight: 600;
  line-height: 1.3;
  color: #22d3ee;
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.32);
}

.hero--home .stat-item span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: rgba(148, 163, 184, 0.98);
}

/* 右侧科技视觉区 */
.hero--home .hero__orbit {
  position: relative;
  width: min(100%, 480px);
  aspect-ratio: 1;
}

.hero--home .hero__orbit-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.15), inset 0 0 40px rgba(37, 99, 235, 0.06);
  animation: heroSpin 28s linear infinite;
}

.hero--home .hero__orbit-ring--inner {
  inset: 12%;
  border-color: rgba(34, 211, 238, 0.28);
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.12);
  animation-direction: reverse;
  animation-duration: 20s;
}

.hero--home .hero__orbit-ring--outer::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 16px #38bdf8;
}

@keyframes heroSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero--home .hero__orbit-core {
  position: absolute;
  inset: 18%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, rgba(3, 7, 18, 0.75) 72%);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 0 80px rgba(37, 99, 235, 0.35), inset 0 0 50px rgba(6, 182, 212, 0.12);
}

.hero--home .hero__visual-img {
  width: 78%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.35));
  animation: heroFloat 5s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero--home .hero__float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  min-width: 168px;
  background: rgba(8, 15, 30, 0.88);
  border: 1px solid rgba(56, 189, 248, 0.38);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 24px rgba(37, 99, 235, 0.12);
  animation: heroCardFloat 4s ease-in-out infinite;
}

.hero--home .hero__float-card strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
  line-height: 1.3;
}

.hero--home .hero__float-card span {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: rgba(148, 163, 184, 0.9);
  line-height: 1.4;
}

.hero--home .hero__float-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero--home .hero__float-icon img {
  width: 40px;
  height: 40px;
  display: block;
}

.hero--home .hero__float-card--1 {
  top: 6%;
  right: -4%;
  animation-delay: 0s;
}

.hero--home .hero__float-card--2 {
  bottom: 18%;
  left: -8%;
  animation-delay: 1.2s;
}

.hero--home .hero__float-card--3 {
  top: 42%;
  right: -12%;
  animation-delay: 2.4s;
}

@keyframes heroCardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (min-width: 993px) {
  .hero--home .hero__br { display: block; }
}

@media (max-width: 992px) {
  .hero--home {
    min-height: auto;
  }
  .hero--home .hero__inner {
    grid-template-columns: 1fr;
    padding: 72px 20px 32px;
    gap: 0;
  }
  .section--algo {
    margin-top: 0;
    padding-top: 56px;
  }
  .section--algo .section-head {
    margin-bottom: 36px;
  }
  .hero--home .hero__visual {
    display: none;
  }
  .hero--home h1 {
    max-width: none;
  }
  .hero--home .hero__stats.stats-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .hero--home .stat-item {
    max-width: none;
  }
  .hero--home .btn--ghost {
    display: none;
  }
}

@media (max-width: 576px) {
  .hero--home .hero__highlights li {
    font-size: 12px;
    padding: 6px 10px;
  }
  .hero--home .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero--home .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* 其余首页区块 */
.industry-scroll { overflow: hidden; padding: 16px 0; }
.industry-scroll .swiper-slide { width: auto; }
.industry-item {
  text-align: center;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  min-width: 100px;
}
.industry-item.is-active, .industry-item:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-subtle);
}
.industry-item img { width: 48px; margin: 0 auto 8px; }
.industry-item span { font-size: 0.8125rem; font-weight: 500; }

.case-tabs { margin-top: 32px; }
.case-tab-nav { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.case-tab-nav button {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
}
.case-tab-nav button.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ── 首页 · AI视觉算法集市（浅蓝主色，与联系我们按钮 / 全流程区块统一） ── */
.section--algo {
  position: relative;
  background: var(--color-bg-subtle);
  overflow: hidden;
  padding-top: 80px;
  padding-bottom: 56px;
  margin-top: 0;
}

.section--algo .section-head {
  max-width: 720px;
  margin: 0 auto 52px;
}

.section--algo .section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 14px 6px 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(37, 99, 235, 0.92);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
}

.section--algo .section-head__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(var(--color-primary-rgb), 0.4);
}

.section--algo .section-head::after {
  content: '';
  display: block;
  width: min(420px, 72%);
  height: 1px;
  margin: 28px auto 0;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.section--algo::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(37, 99, 235, 0.1), transparent 58%),
    radial-gradient(circle at 8% 85%, rgba(59, 130, 246, 0.06), transparent 40%),
    radial-gradient(circle at 92% 70%, rgba(6, 182, 212, 0.05), transparent 35%);
  pointer-events: none;
}

.section--algo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: linear-gradient(180deg, transparent 0%, var(--color-bg-subtle) 100%);
  pointer-events: none;
}

.section--algo .container {
  position: relative;
  z-index: 1;
}

.section--algo .section-head h2 {
  font-size: clamp(1.875rem, 3.2vw, 2.375rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--color-text-primary);
}

.section--algo .section-head p {
  max-width: 580px;
  margin: 16px auto 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.algo-showcase__shell {
  position: relative;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: calc(var(--radius-lg) + 4px);
  box-shadow:
    0 4px 32px rgba(37, 99, 235, 0.08),
    0 1px 3px rgba(15, 23, 42, 0.04);
  overflow: hidden;
}

.algo-showcase__shell::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.5;
}

.algo-showcase__shell::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.28), transparent);
  pointer-events: none;
}

.algo-showcase__cats-wrap {
  position: relative;
  z-index: 1;
  padding: 16px 16px 14px;
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
  background: rgba(37, 99, 235, 0.04);
}

.algo-showcase__cats {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.algo-showcase__cats::-webkit-scrollbar {
  display: none;
}

@media (min-width: 993px) {
  .algo-showcase__cats {
    display: grid;
    grid-template-columns: repeat(9, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
  }
}

.algo-showcase__cat {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-width: 72px;
  width: 100%;
  padding: 2px 2px 6px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.25s;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 993px) {
  .algo-showcase__cat {
    flex: initial;
    min-width: 0;
  }
}

.algo-showcase__cat:hover {
  color: var(--color-primary);
}

.algo-showcase__cat:hover .algo-showcase__cat-icon {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.15);
  transform: translateY(-2px);
}

.algo-showcase__cat.is-active {
  color: var(--color-primary-dark);
}

.algo-showcase__cat-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, 0.12);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s, background 0.25s;
}

.algo-showcase__cat.is-active .algo-showcase__cat-icon {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary) 55%, var(--color-primary-dark));
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.35);
  transform: translateY(-1px);
}

.algo-showcase__cat-icon img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  transition: transform 0.25s;
}

.algo-showcase__cat.is-active .algo-showcase__cat-icon img {
  transform: scale(1.04);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
}

.algo-showcase__cat--more .algo-showcase__cat-icon {
  background: rgba(255, 255, 255, 0.85);
  border-style: dashed;
  border-color: rgba(148, 163, 184, 0.4);
}

.algo-showcase__cat--more:hover .algo-showcase__cat-icon {
  border-color: rgba(37, 99, 235, 0.35);
  background: rgba(37, 99, 235, 0.06);
}

.algo-showcase__cat-label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 1200px) {
  .algo-showcase__cat-label {
    font-size: 13px;
  }
}

.algo-showcase__cat--more {
  text-decoration: none;
}

.algo-showcase__cat--more:hover {
  color: var(--color-primary);
}

.algo-showcase__body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  min-height: 340px;
}

.algo-showcase__main {
  position: relative;
  padding: 28px 32px 32px;
  min-height: 280px;
}

.algo-showcase__main::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(37, 99, 235, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  opacity: 0.4;
}

.algo-showcase__panel {
  position: relative;
  z-index: 1;
  display: none;
  animation: algoPanelIn 0.38s ease forwards;
}

.algo-showcase__panel.is-active {
  display: block;
}

@keyframes algoPanelIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.algo-showcase__panel-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.algo-showcase__panel-meta h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text-primary);
}

.algo-showcase__panel-meta p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.algo-showcase__more {
  flex-shrink: 0;
  padding: 8px 16px !important;
  font-size: 0.8125rem !important;
  border-color: rgba(37, 99, 235, 0.35) !important;
  color: var(--color-primary) !important;
  background: rgba(37, 99, 235, 0.06) !important;
}

.algo-showcase__more:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
  border-color: var(--color-primary-dark) !important;
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.35);
}

.algo-showcase__links {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(188px, 1fr));
  gap: 10px;
}

.algo-chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(240, 245, 255, 0.85);
  border: 1px solid rgba(37, 99, 235, 0.1);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  line-height: 1.35;
  overflow: hidden;
  transition:
    background 0.22s,
    border-color 0.22s,
    color 0.22s,
    box-shadow 0.22s,
    transform 0.22s;
}

.algo-chip::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, var(--color-primary-light), var(--color-primary));
  transform: translateY(-50%);
  transition: height 0.22s ease;
}

.algo-chip:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary) 50%, var(--color-primary-dark));
  border-color: rgba(37, 99, 235, 0.35);
  color: #fff;
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.3);
  transform: translateY(-2px);
}

.algo-chip:hover::before {
  height: 55%;
  background: rgba(255, 255, 255, 0.5);
}

.algo-chip__dot {
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
  transition: box-shadow 0.22s, transform 0.22s;
}

.algo-chip:hover .algo-chip__dot {
  background: #fff;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.55);
  transform: scale(1.1);
}

.algo-chip__text {
  flex: 1;
  min-width: 0;
}

.algo-chip .tag {
  flex-shrink: 0;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.algo-chip .tag--hot {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.algo-chip .tag--new {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.algo-chip:hover .tag {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.algo-chip__arrow {
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.22s, transform 0.22s;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
}

.algo-chip:hover .algo-chip__arrow {
  opacity: 1;
  transform: translateX(0);
}

.algo-showcase__panel.is-active .algo-chip {
  animation: algoChipIn 0.32s ease backwards;
}

.algo-showcase__panel.is-active .algo-chip:nth-child(1) { animation-delay: 0.02s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(2) { animation-delay: 0.04s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(3) { animation-delay: 0.06s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(4) { animation-delay: 0.08s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(5) { animation-delay: 0.1s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(6) { animation-delay: 0.12s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(7) { animation-delay: 0.14s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(8) { animation-delay: 0.16s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(9) { animation-delay: 0.18s; }
.algo-showcase__panel.is-active .algo-chip:nth-child(n+10) { animation-delay: 0.2s; }

@keyframes algoChipIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.algo-showcase__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 24px;
  background: linear-gradient(165deg, var(--color-primary-light) 0%, var(--color-primary) 42%, var(--color-primary-dark) 100%);
  overflow: hidden;
  border-left: 1px solid rgba(37, 99, 235, 0.15);
}

.algo-showcase__aside::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.algo-showcase__aside::after {
  content: '';
  position: absolute;
  width: 200%;
  height: 2px;
  left: -50%;
  top: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: algoScan 5s linear infinite;
  pointer-events: none;
}

@keyframes algoScan {
  0% { transform: translateY(0); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.8; }
  100% { transform: translateY(320px); opacity: 0; }
}

@keyframes algoGlowPulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.algo-showcase__preview {
  position: relative;
  z-index: 1;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.algo-showcase__preview-glow {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.45), transparent 70%);
  filter: blur(8px);
  animation: algoGlowPulse 4s ease-in-out infinite;
}

.algo-showcase__preview-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.45);
  animation: heroSpin 24s linear infinite;
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.2);
}

.algo-showcase__preview-ring::before {
  content: '';
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  animation: heroSpin 16s linear infinite reverse;
}

.algo-showcase__preview-img {
  position: absolute;
  width: 96px;
  height: 96px;
  object-fit: contain;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.35s ease, transform 0.35s ease;
  filter: drop-shadow(0 8px 20px rgba(15, 23, 42, 0.2));
  z-index: 1;
}

.algo-showcase__preview-img.is-active {
  opacity: 1;
  transform: scale(1);
}

.algo-showcase__aside-tip {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  letter-spacing: 0.08em;
}

@media (max-width: 992px) {
  .algo-showcase__body {
    grid-template-columns: 1fr;
  }

  .algo-showcase__aside {
    display: none;
  }

  .algo-showcase__main {
    padding: 22px 20px 24px;
  }

  .algo-showcase__panel-head {
    flex-direction: column;
    align-items: stretch;
  }

  .algo-showcase__more {
    align-self: flex-start;
  }
}

@media (max-width: 576px) {
  .algo-showcase__cats-wrap {
    padding: 12px 10px;
  }

  .algo-showcase__cat {
    min-width: 68px;
    padding: 2px 2px 4px;
  }

  .algo-showcase__cat-label {
    font-size: 11px;
  }

  .algo-showcase__links {
    grid-template-columns: 1fr;
  }

  .algo-chip {
    min-height: 42px;
    padding: 9px 11px;
    font-size: 0.8125rem;
  }
}

/* ── 首页 · 全流程优势（浅色调，与核心产品统一） ── */
.section--advantages {
  position: relative;
  background: var(--color-bg-subtle);
  overflow: hidden;
  padding-top: 72px;
  padding-bottom: var(--section-gap);
  margin-top: 0;
}

.section--advantages::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(37, 99, 235, 0.06), transparent 58%),
    radial-gradient(circle at 92% 80%, rgba(6, 182, 212, 0.04), transparent 35%);
  pointer-events: none;
}

.section--advantages .container {
  position: relative;
  z-index: 1;
}

.section--advantages .section-head {
  max-width: 720px;
  margin: 0 auto 52px;
}

.section--advantages .section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 14px 6px 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(37, 99, 235, 0.92);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
}

.section--advantages .section-head__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2563eb;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.4);
}

.section--advantages .section-head h2 {
  font-size: clamp(1.875rem, 3.2vw, 2.375rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--color-text-primary);
}

.section--advantages .section-head p {
  max-width: 580px;
  margin: 16px auto 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.section--advantages .section-head::after {
  content: '';
  display: block;
  width: min(420px, 72%);
  height: 1px;
  margin: 28px auto 0;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.advantages-panel {
  position: relative;
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: calc(var(--radius-lg) + 4px);
  box-shadow: 0 4px 32px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.advantages-panel::before {
  display: none;
}

.advantages-panel::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.25), transparent);
  pointer-events: none;
}

.advantages-steps-wrap {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  background: rgba(37, 99, 235, 0.04);
}

.advantages-steps {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
  padding: 28px 40px 26px;
  list-style: none;
}

.advantages-steps::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 14%;
  right: 14%;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg,
    rgba(37, 99, 235, 0.08) 0%,
    rgba(37, 99, 235, 0.28) 50%,
    rgba(37, 99, 235, 0.08) 100%);
  pointer-events: none;
}

.advantages-steps__item {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.advantages-steps__node {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(37, 99, 235, 0.35);
  box-shadow:
    0 0 0 4px rgba(37, 99, 235, 0.06),
    0 2px 12px rgba(37, 99, 235, 0.08);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.advantages-steps__item:hover .advantages-steps__node {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow:
    0 0 0 4px rgba(37, 99, 235, 0.1),
    0 4px 16px rgba(37, 99, 235, 0.12);
}

.advantages-steps__num {
  font-size: 11px;
  font-weight: 600;
  font-style: normal;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  line-height: 1;
}

.advantages-steps__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.advantages-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 1px;
  background: rgba(148, 163, 184, 0.14);
}

.advantage-card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  background: #fff;
  transition: background var(--transition);
}

.advantage-card:hover {
  background: #fafbff;
}

.advantage-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  padding: 10px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.12);
  transition: var(--transition);
}

.advantage-card:hover .advantage-card__icon {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
}

.advantage-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin: 0;
}

.advantage-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}

.advantage-card p {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.advantage-card__footer {
  min-height: 36px;
  margin-top: 18px;
}

.advantage-card__btn {
  padding: 8px 16px !important;
  font-size: 0.8125rem !important;
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
  background: transparent !important;
}

.advantage-card__btn:hover {
  background: var(--color-bg-subtle) !important;
  border-color: var(--color-primary-dark) !important;
  color: var(--color-primary-dark) !important;
  box-shadow: none;
}

@media (max-width: 992px) {
  .advantages-steps {
    padding: 24px 28px 22px;
  }

  .advantages-steps::before {
    left: 12%;
    right: 12%;
    top: 44px;
  }

  .advantages-steps__node {
    width: 36px;
    height: 36px;
  }

  .advantages-steps__label {
    font-size: 13px;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .section--advantages {
    padding-bottom: 80px;
  }

  .section--algo .section-head,
  .section--advantages .section-head {
    margin-bottom: 40px;
  }

  .advantages-steps-wrap {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  }

  .advantages-steps {
    justify-content: flex-start;
    gap: 0;
    padding: 20px 16px 18px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .advantages-steps::-webkit-scrollbar {
    display: none;
  }

  .advantages-steps::before {
    left: 48px;
    right: 48px;
    top: 40px;
  }

  .advantages-steps__item {
    flex: 0 0 25%;
    min-width: 72px;
    scroll-snap-align: center;
    gap: 10px;
  }

  .advantages-steps__node {
    width: 32px;
    height: 32px;
    border-width: 1.5px;
    box-shadow:
      0 0 0 3px rgba(34, 211, 238, 0.06),
      0 0 14px rgba(34, 211, 238, 0.1);
  }

  .advantages-steps__num {
    font-size: 10px;
  }

  .advantages-steps__label {
    font-size: 12px;
  }

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

  .advantage-card {
    padding: 24px 20px 20px;
  }
}

/* ── 首页 · 核心产品 ── */
.section--products {
  position: relative;
  padding-top: 72px;
  padding-bottom: var(--section-gap);
  overflow: hidden;
}

.section--products::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(37, 99, 235, 0.06), transparent 58%),
    radial-gradient(circle at 92% 80%, rgba(6, 182, 212, 0.04), transparent 35%);
  pointer-events: none;
}

.section--products .container {
  position: relative;
  z-index: 1;
}

.section-head--products {
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head__eyebrow--products {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 14px 6px 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(37, 99, 235, 0.92);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.section-head__eyebrow--products::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2563eb;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.4);
}

.section-head--products h2 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
}

.section-head--products p {
  max-width: 520px;
  margin: 12px auto 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.section-head--products::after {
  content: '';
  display: block;
  width: min(360px, 68%);
  height: 1px;
  margin: 28px auto 0;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.35), transparent);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px 24px 24px;
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: calc(var(--radius-lg) + 2px);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04);
  transition: box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: var(--shadow-glow);
}

@media (hover: hover) {
  .product-card:hover {
    transform: translateY(-5px);
  }
}

.product-card:active {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 2px 16px rgba(37, 99, 235, 0.1);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card__icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.product-card__icon img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  margin: 0;
}

.product-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}

.product-card p {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 18px;
}

.product-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition);
}

.product-card__more::after {
  content: '→';
  transition: transform var(--transition);
}

.product-card:hover .product-card__more {
  gap: 8px;
}

.product-card:hover .product-card__more::after {
  transform: translateX(2px);
}

@media (max-width: 992px) {
  .section--products {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .section-head--products {
    margin-bottom: 36px;
  }

  .section-head--products h2 {
    font-size: clamp(1.375rem, 4vw, 1.75rem);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .product-card {
    padding: 22px 18px 20px;
  }

  .product-card h3 {
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  .section--products {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .section-head--products {
    margin-bottom: 28px;
  }

  .section-head--products::after {
    margin-top: 20px;
  }

  .section-head__eyebrow--products {
    font-size: 11px;
    padding: 5px 12px 5px 10px;
    margin-bottom: 14px;
  }

  .section-head--products p {
    font-size: 14px;
  }

  .products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 0;
    padding: 0;
    overflow: visible;
    mask-image: none;
    -webkit-mask-image: none;
  }

  .product-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    min-height: 88px;
  }

  .product-card__icon {
    width: 44px;
    height: 44px;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .product-card__body {
    gap: 0;
  }

  .product-card h3 {
    font-size: 0.9375rem;
    line-height: 1.4;
    margin-bottom: 6px;
  }

  .product-card p {
    font-size: 0.8125rem;
    line-height: 1.55;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .product-card__more {
    font-size: 0.75rem;
  }
}