/* ============================================
   首页 Hero 轮播
   ============================================ */
.hero-banner {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  background: var(--c-black);
  color: #fff;
}

.banner-slides { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s var(--ease-out); }
.slide.active { opacity: 1; z-index: 1; }
.slide-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
}
.slide.active .slide-bg { animation: kenburns 7s var(--ease-out) forwards; }
@keyframes kenburns {
  from { transform: scale(1.12); }
  to { transform: scale(1); }
}
.slide-mask {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(4,10,28,0.45) 0%, rgba(4,10,28,0.18) 55%, rgba(4,10,28,0.03) 100%),
              linear-gradient(0deg, rgba(4,10,28,0.35) 0%, transparent 35%);
}

.banner-deco {
  position: absolute; inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.deco-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(43,127,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,127,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 50%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 50%, #000 20%, transparent 70%);
  animation: gridDrift 20s linear infinite;
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to { background-position: 60px 60px; }
}
.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(43,127,255,0.35);
  animation: pulseExpand 4s ease-out infinite;
}
.ring-1 { width: 200px; height: 200px; right: 12%; top: 22%; }
.ring-2 { width: 140px; height: 140px; right: 20%; bottom: 28%; animation-delay: 2s; }
@keyframes pulseExpand {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--c-primary);
  box-shadow: 0 0 8px rgba(43,127,255,0.7);
  animation: particleFloat 8s ease-in-out infinite;
}
.p-1 { right: 18%; top: 30%; animation-delay: 0s; }
.p-2 { right: 32%; top: 18%; width: 3px; height: 3px; animation-delay: 1.2s; }
.p-3 { right: 10%; top: 55%; width: 5px; height: 5px; animation-delay: 2.5s; }
.p-4 { right: 42%; top: 65%; width: 3px; height: 3px; animation-delay: 3.8s; }
.p-5 { right: 25%; top: 75%; animation-delay: 5s; }
.p-6 { right: 55%; top: 40%; width: 3px; height: 3px; animation-delay: 6.2s; }
@keyframes particleFloat {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
  25% { transform: translateY(-18px) translateX(6px); opacity: 0.9; }
  50% { transform: translateY(-8px) translateX(-4px); opacity: 0.6; }
  75% { transform: translateY(-24px) translateX(3px); opacity: 1; }
}
.data-stream {
  position: absolute;
  right: 48px; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column;
  gap: 14px;
  align-items: center;
}
.data-stream i {
  display: block;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(43,127,255,0.8), rgba(43,127,255,0.1));
  animation: dataDrop 3.2s ease-in-out infinite;
}
@keyframes dataDrop {
  0%, 100% { opacity: 0.25; transform: scaleY(0.6); }
  50% { opacity: 0.9; transform: scaleY(1); }
}

.banner-text-wrap {
  position: absolute; inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  will-change: transform, opacity;
}
.banner-tag {
  display: flex; align-items: center; gap: 14px;
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--c-primary-light);
  margin-bottom: 26px;
}
.tag-line { width: 44px; height: 1px; background: var(--c-primary); }
.banner-title {
  font-family: var(--f-display);
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 2px;
  margin-bottom: 26px;
  text-shadow: 0 6px 30px rgba(0,0,0,0.35);
}
.banner-desc {
  max-width: 560px;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  color: rgba(255,255,255,0.78);
  margin-bottom: 44px;
}
.banner-actions { display: flex; gap: 18px; }

/* 文本切换过渡 */
.banner-text {
  transition: opacity 0.7s var(--ease-out) 0.15s, transform 0.7s var(--ease-out) 0.15s;
}
.banner-text.leaving {
  transition: opacity 0.35s, transform 0.35s;
  opacity: 0;
  transform: translateY(-24px);
}
.banner-text.entering {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity 0.7s var(--ease-out) 0.15s, transform 0.7s var(--ease-out) 0.15s;
}
.banner-text:not(.entering):not(.leaving) { opacity: 1; transform: none; }

.banner-pages {
  position: absolute;
  left: 50%; transform: translateX(-50%);
  bottom: 56px;
  z-index: 3;
  display: flex;
  gap: 42px;
}
.page-item {
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  color: rgba(255,255,255,0.5);
  transition: color 0.35s;
  min-width: 90px;
}
.page-item:hover { color: rgba(255,255,255,0.85); }
.page-item.active { color: #fff; }
.page-num { font-family: var(--f-display); font-size: 20px; font-weight: 700; }
.page-label { font-size: 12px; letter-spacing: 2px; }
.page-progress {
  width: 100%; height: 2px;
  background: rgba(255,255,255,0.22);
  overflow: hidden;
  border-radius: 2px;
}
.page-progress i {
  display: block; height: 100%; width: 0;
  background: var(--c-primary);
}
.page-item.active .page-progress i { animation: progress linear forwards; }
@keyframes progress { from { width: 0; } to { width: 100%; } }

.scroll-hint {
  position: absolute;
  right: 40px; bottom: 50px;
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.scroll-hint em {
  font-style: normal; font-size: 10px; letter-spacing: 3px;
  color: rgba(255,255,255,0.55);
  writing-mode: vertical-rl;
}
.hint-line {
  width: 1px; height: 56px;
  background: rgba(255,255,255,0.25);
  position: relative; overflow: hidden;
}
.hint-line::after {
  content: '';
  position: absolute; left: 0; top: -40%;
  width: 100%; height: 40%;
  background: var(--c-primary);
  animation: hintDrop 1.8s var(--ease-out) infinite;
}
@keyframes hintDrop {
  0% { top: -40%; }
  100% { top: 110%; }
}
.banner-actions .btn-primary::after {
  animation: btnShine 3.2s var(--ease-out) infinite;
}
@keyframes btnShine {
  0% { left: -80%; }
  45% { left: 130%; }
  100% { left: 130%; }
}
@media (max-width: 900px) {
  .banner-title { font-size: 36px; }
  .banner-pages { gap: 24px; bottom: 40px; }
  .scroll-hint { display: none; }
  .data-stream { display: none; }
}
@media (max-width: 640px) {
  .hero-banner { min-height: 620px; }
  .banner-title { font-size: 24px; letter-spacing: 1px; }
  .banner-desc { font-size: 15px; margin-bottom: 32px; }
  .banner-actions { flex-direction: column; gap: 12px; }
  .banner-actions .btn-primary, .banner-actions .btn-ghost { width: 100%; }
  .page-label { display: none; }
  .banner-pages { gap: 16px; }
  .page-item { min-width: 56px; }
  .pulse-ring { display: none; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  @supports (zoom: 1) {
    .hero-banner { height: calc(100vh * 1.5); min-height: calc(100vh * 1.5); }
    .banner-title { font-size: 48px; }
    .banner-desc { font-size: 17px; }
  }
}

/* ============================================
   首页业务轮播
   ============================================ */
.business-section {
  padding: 56px 0 40px;
  background: var(--c-white);
}
.business-section .section-head > * { opacity: 0; }
.business-section .section-head.in-view > * { animation: bizFadeUp 0.6s var(--ease-out) both; }
.business-section .section-head.in-view .en { animation-delay: 0ms; }
.business-section .section-head.in-view h2 { animation-delay: 90ms; }
.business-section .section-head.in-view .desc { animation-delay: 180ms; }
@keyframes bizFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

.biz-carousel {
  cursor: grab;
  user-select: none;
  touch-action: pan-y;
}
.biz-carousel:active { cursor: grabbing; }
.biz-viewport {
  position: relative;
  min-height: 370px;
}
.biz-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-direction: row;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
  pointer-events: none;
}
.biz-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  position: relative;
}
.biz-content {
  flex: 1;
  max-width: 480px;
}
.biz-index {
  display: inline-block;
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 3px;
  padding: 5px 14px;
  background: var(--accent-soft);
  border-radius: 20px;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s var(--ease-out);
}
.biz-title {
  font-family: var(--f-display);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-black);
  letter-spacing: 1px;
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s var(--ease-out);
}
.biz-desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-gray-2);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s var(--ease-out);
}
.biz-labels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s var(--ease-out);
}
.biz-labels li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-dark);
}
.tick {
  font-style: normal;
  width: 20px; height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 11px;
  font-weight: 700;
}
.biz-more {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 10px 26px;
  border: 1px solid var(--accent);
  border-radius: 30px;
  transition: all 0.35s var(--ease-out);
  opacity: 0;
  transform: translateY(50px);
}
.biz-more:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 26px var(--accent-soft);
  transform: translateY(-3px);
}
.biz-slide.active .biz-index { opacity: 1; transform: none; transition-delay: 0.1s; }
.biz-slide.active .biz-title { opacity: 1; transform: none; transition-delay: 0.2s; }
.biz-slide.active .biz-desc { opacity: 1; transform: none; transition-delay: 0.3s; }
.biz-slide.active .biz-labels { opacity: 1; transform: none; transition-delay: 0.4s; }
.biz-slide.active .biz-more { opacity: 1; transform: none; transition-delay: 0.5s; }
.biz-slide.active .biz-more:hover { transform: translateY(-3px); }

.biz-visual {
  position: relative;
  width: 360px;
  height: 360px;
  flex-shrink: 0;
  margin-right: 100px;
}
.biz-circle {
  position: absolute;
  left: 50%; top: 50%;
  width: 380px; height: 380px;
  margin: -190px 0 0 -190px;
  border-radius: 50%;
  border: 1px solid var(--accent-soft);
  opacity: 0;
  transition: opacity 0.8s var(--ease-out);
}
.biz-circle::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  pointer-events: none;
}
.biz-slide.active .biz-circle::after {
  animation: bizRipple 2s var(--ease-out) infinite;
  animation-delay: 0.9s;
}
@keyframes bizRipple {
  0% { transform: scale(1); opacity: 0.5; filter: blur(0px); }
  40% { opacity: 0.16; filter: blur(4px); }
  100% { transform: scale(1.6); opacity: 0; filter: blur(12px); }
}
.biz-circle--dashed {
  width: 310px; height: 310px;
  margin: -155px 0 0 -155px;
  border: 2px dashed var(--accent);
  border-color: var(--accent) transparent var(--accent) transparent;
  opacity: 0;
}
.biz-slide.active .biz-circle { opacity: 1; }
.biz-slide.active .biz-circle--dashed { opacity: 0.5; animation: circleRotate 30s linear infinite; }
@keyframes circleRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.biz-center-icon {
  position: absolute;
  left: 50%; top: 50%;
  width: 250px; height: 250px;
  margin: -125px 0 0 -125px;
  object-fit: contain;
  z-index: 5;
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.6s var(--ease-out);
  filter: drop-shadow(0 16px 40px var(--accent-soft));
}
.biz-slide.active .biz-center-icon { opacity: 1; transform: scale(1); transition-delay: 0.2s; }
.biz-keyword {
  position: absolute;
  z-index: 6;
  padding: 7px 15px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 24px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-dark);
  box-shadow: 0 8px 22px rgba(0,0,0,0.07);
  opacity: 0;
  transition: all 0.6s var(--ease-out);
}
.biz-keyword::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 7px;
  vertical-align: middle;
}
.kw-1 { top: 22px; left: 14px; transform: translateX(-40px); }
.kw-2 { top: 52px; right: 0; transform: translateX(40px); }
.kw-3 { bottom: 60px; left: 0; transform: translateX(-40px); }
.kw-4 { bottom: 26px; right: 20px; transform: translateX(40px); }
.biz-slide.active .kw-1 { opacity: 1; transform: none; transition-delay: 0.4s; }
.biz-slide.active .kw-2 { opacity: 1; transform: none; transition-delay: 0.5s; }
.biz-slide.active .kw-3 { opacity: 1; transform: none; transition-delay: 0.6s; }
.biz-slide.active .kw-4 { opacity: 1; transform: none; transition-delay: 0.7s; }
.biz-chip {
  position: absolute;
  z-index: 6;
  opacity: 0;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,0.1));
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.chip-tagline { top: 40px; left: -120px; width: 205px; transform: translateX(-40px); }
.chip-modules { bottom: 90px; right: -135px; width: 195px; transform: translateX(40px); }
.chip-arrow { bottom: 25px; left: -20px; width: 84px; transform: translateY(30px) scale(0.8); }
.chip-topright { top: 40px; right: -120px; width: 134px; transform: translateX(40px); }
.biz-slide.active .chip-tagline { opacity: 1; transform: none; transition-delay: 0.4s; }
.biz-slide.active .chip-modules { opacity: 1; transform: none; transition-delay: 0.55s; }
.biz-slide.active .chip-arrow { opacity: 1; transform: none; transition-delay: 0.7s; }
.biz-slide.active .chip-topright { opacity: 1; transform: none; transition-delay: 0.85s; }
.biz-website .chip-tagline { top: 50px; left: -135px; }
.biz-website .chip-topright { top: 40px; right: -80px; }
.biz-website .chip-modules { bottom: 30px; }

.biz-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 36px;
}
.biz-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 36px 16px 38px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
}
.biz-tab.in-view { animation: tabPop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both; animation-delay: calc(500ms + var(--d)); }
@keyframes tabPop {
  0% { opacity: 0; transform: translateY(28px) scale(0.7); }
  60% { opacity: 1; transform: translateY(-4px) scale(1.04); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.biz-tab::after {
  content: '';
  position: absolute;
  left: 20%; right: 20%; bottom: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
  box-shadow: 0 0 12px var(--accent), 0 0 30px var(--accent-soft);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.4s var(--ease-out);
}
.biz-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 120%, var(--accent-soft), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  pointer-events: none;
}
.biz-tab:hover,
.biz-tab.active {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  box-shadow: 0 12px 40px var(--accent-soft), 0 4px 12px rgba(0,0,0,0.06);
  transform: translateY(-4px);
}
.biz-tab:hover::after,
.biz-tab.active::after { transform: scaleX(1); }
.biz-tab:hover::before,
.biz-tab.active::before { opacity: 1; }
.tab-icon {
  position: relative;
  width: 68px; height: 68px;
  border-radius: 14px;
  object-fit: cover;
  transition: all 0.4s var(--ease-out);
}
.biz-tab:hover .tab-icon,
.biz-tab.active .tab-icon {
  transform: scale(1.08);
  filter: drop-shadow(0 4px 14px var(--accent-soft));
}
.tab-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-dark);
  letter-spacing: 1px;
}
.tab-sub {
  font-size: 12px;
  color: var(--c-gray-3);
  letter-spacing: 0.5px;
}

@media (max-width: 1280px) {
  .chip-tagline { width: 178px; left: -60px; }
  .chip-modules { width: 169px; right: -70px; }
  .chip-arrow { width: 76px; left: -6px; }
  .chip-topright { width: 118px; right: -60px; }
  .biz-visual { width: 330px; height: 330px; }
  .biz-circle { width: 350px; height: 350px; margin: -175px 0 0 -175px; }
  .biz-circle--dashed { width: 285px; height: 285px; margin: -142.5px 0 0 -142.5px; }
  .biz-title { font-size: 34px; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  @supports (zoom: 1) {
    .biz-visual { width: 360px; height: 360px; }
    .biz-circle { width: 380px; height: 380px; margin: -190px 0 0 -190px; }
    .biz-circle--dashed { width: 310px; height: 310px; margin: -155px 0 0 -155px; }
    .chip-tagline { width: 205px; left: -120px; }
    .chip-modules { width: 195px; right: -135px; }
    .chip-arrow { width: 84px; left: -20px; }
    .chip-topright { width: 134px; right: -120px; }
  }
}
@media (max-width: 900px) {
  .business-section { padding: 40px 0 32px; }
  .biz-slide { flex-direction: column; gap: 32px; text-align: center; }
  .biz-content { max-width: 600px; }
  .biz-labels { max-width: 420px; margin-left: auto; margin-right: auto; text-align: left; }
  .biz-visual { width: 300px; height: 300px; margin-right: 0; }
  .biz-circle { width: 312px; height: 312px; margin: -156px 0 0 -156px; }
  .biz-circle--dashed { width: 248px; height: 248px; margin: -124px 0 0 -124px; }
  .biz-center-icon { width: 205px; height: 205px; margin: -102.5px 0 0 -102.5px; }
  .chip-tagline { width: 169px; left: -30px; }
  .chip-modules { width: 160px; right: -34px; bottom: 30px; }
  .chip-arrow { width: 70px; left: 8px; }
  .chip-topright { width: 110px; right: -30px; }
  .biz-title { font-size: 30px; }
  .biz-tabs { gap: 12px; }
  .biz-tab { padding: 20px 14px 20px; }
}
@media (max-width: 640px) {
  .biz-viewport { min-height: auto; }
  .biz-visual { width: 260px; height: 260px; }
  .biz-circle { width: 278px; height: 278px; margin: -139px 0 0 -139px; }
  .biz-circle--dashed { width: 225px; height: 225px; margin: -112.5px 0 0 -112.5px; }
  .biz-center-icon { width: 190px; height: 190px; margin: -95px 0 0 -95px; }
  .biz-keyword { font-size: 11px; padding: 6px 12px; }
  .chip-tagline { width: 141px; left: -18px; top: 4px; }
  .chip-modules { width: 134px; right: -22px; bottom: 24px; }
  .chip-arrow { width: 56px; left: 6px; }
  .chip-topright { width: 93px; right: -18px; top: 4px; }
  .biz-title { font-size: 26px; }
  .biz-labels { grid-template-columns: 1fr; }
  .biz-tabs { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .biz-tab { padding: 18px 12px 16px; }
  .tab-sub { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .biz-circle::after { animation: none !important; }
}

/* ============================================
   首页案例
   ============================================ */
.home-page .case-section {
  padding: 48px 0 40px;
  background: var(--c-bg);
}
.home-page .case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.home-page .case-more { text-align: center; }
@media (max-width: 900px) {
  .home-page .case-section { padding: 36px 0; }
  .home-page .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .home-page .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .home-page .case-grid { grid-template-columns: 1fr; }
}

/* ============================================
   首页关于（玻璃面板）
   ============================================ */
.about-section {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 6vw, 96px) 0;
  background: #0c1c3a;
}
.ab-bg-img {
  position: absolute;
  inset: 0;
  background: url('<cms:asset path="/images/sub-contact.jpg" />') center / cover no-repeat;
  filter: blur(8px);
  pointer-events: none;
}
.ab-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  pointer-events: none;
}
.about-section .container { position: relative; z-index: 1; }
.ab-head { text-align: center; }
.ab-title {
  font-family: var(--f-display);
  font-size: clamp(24px, 2.9vw, 44px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 2px 18px rgba(6, 14, 32, 0.55);
}
.ab-tit-accent { color: var(--c-primary-light); }
.ab-sub {
  margin-top: 14px;
  font-size: clamp(14px, 1.15vw, 18px);
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 12px rgba(6, 14, 32, 0.5);
}
.ab-sub-accent { color: var(--c-primary-light); font-weight: 700; }
.ab-panel {
  display: flex;
  align-items: center;
  margin-top: clamp(30px, 4vw, 56px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(16, 32, 64, 0.09) 45%, rgba(43, 127, 255, 0.06) 100%);
  border: 1px solid rgba(123, 184, 255, 0.28);
  -webkit-backdrop-filter: blur(6px) saturate(135%);
  backdrop-filter: blur(6px) saturate(135%);
  box-shadow: 0 24px 60px rgba(8, 16, 36, 0.28);
}
.ab-left {
  width: 46.5%;
  padding: clamp(30px, 3.6vw, 54px) clamp(24px, 4vw, 58px);
}
.ab-company {
  position: relative;
  font-family: var(--f-display);
  font-size: clamp(20px, 1.7vw, 28px);
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
  text-shadow: 0 1px 10px rgba(6, 14, 32, 0.5);
  padding-bottom: 18px;
}
.ab-company::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
}
.ab-paras { margin-top: 18px; }
.ab-paras p {
  font-size: 15px;
  line-height: 2;
  text-align: justify;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 8px rgba(6, 14, 32, 0.45);
  margin-bottom: 14px;
}
.ab-paras p:last-child { margin-bottom: 0; }
.ab-more {
  margin-top: clamp(24px, 3vw, 36px);
}
.ab-right { width: 53.5%; }
.ab-stats { display: flex; flex-wrap: wrap; }
.ab-stat {
  position: relative;
  width: 50%;
  padding: clamp(28px, 3.2vw, 46px) clamp(18px, 2.5vw, 30px);
  border-left: 1px solid rgba(123, 184, 255, 0.22);
  border-bottom: 1px solid rgba(123, 184, 255, 0.22);
  overflow: hidden;
}
.ab-stat:nth-child(3),
.ab-stat:nth-child(4) { border-bottom: none; }
.ab-stat::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, rgba(43, 127, 255, 0), rgba(43, 127, 255, 0.32));
  transition: height 0.7s var(--ease-out);
  z-index: 1;
}
.ab-stat:hover::after { height: 100%; }
.ab-feat-head {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.ab-feat-head svg {
  flex: none;
  width: clamp(22px, 1.8vw, 28px);
  height: clamp(22px, 1.8vw, 28px);
  margin-top: 3px;
  color: var(--c-primary-light);
}
.ab-feat-title {
  font-family: var(--f-display);
  font-size: clamp(17px, 1.2vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  min-height: 3em;
  color: #fff;
  text-shadow: 0 1px 10px rgba(6, 14, 32, 0.5);
}
.ab-feat-desc {
  position: relative;
  z-index: 2;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  text-shadow: 0 1px 8px rgba(6, 14, 32, 0.45);
}
@media (max-width: 1259px) {
  .ab-panel {
    flex-wrap: wrap;
    padding-top: clamp(28px, 4vw, 48px);
  }
  .ab-left,
  .ab-right { width: 100%; }
  .ab-right { padding: 0 clamp(20px, 3vw, 40px) clamp(24px, 3vw, 40px); }
  .ab-stat {
    padding: clamp(24px, 3vw, 36px) 16px;
  }
}
@media (max-width: 767px) {
  .about-section { padding: 40px 0 45px; }
  .ab-title { font-size: 22px; }
  .ab-sub { margin-top: 10px; font-size: 14px; letter-spacing: 1px; }
  .ab-panel { margin-top: 25px; padding-top: 30px; }
  .ab-left { padding: 0 20px; }
  .ab-company { font-size: 20px; padding-bottom: 15px; }
  .ab-paras p { font-size: 14px; line-height: 26px; }
  .ab-more {
    display: flex;
    width: 180px;
    margin: 20px auto 0;
  }
  .ab-right { padding: 0 0 10px; }
  .ab-stat { width: 50%; padding: 20px 14px; }
  .ab-feat-head { gap: 8px; }
  .ab-feat-head svg { width: 20px; height: 20px; }
  .ab-feat-title { font-size: 15px; }
  .ab-feat-desc { margin-top: 8px; font-size: 13px; line-height: 1.6; }
}
@media (max-width: 480px) {
  .ab-stat {
    width: 100%;
    border-left: none;
  }
  .ab-stat:nth-child(3),
  .ab-stat:nth-child(4) { border-bottom: 1px solid rgba(123, 184, 255, 0.22); }
  .ab-stat:last-child { border-bottom: none; }
  .ab-feat-title { min-height: auto; }
}

/* ============================================
   首页资讯
   ============================================ */
.news-section {
  padding: 86px 0 96px;
  background: #fff;
}
.news-tabs {
  display: flex;
  gap: 36px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 0;
}
.news-tab {
  position: relative;
  padding-bottom: 18px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--c-gray-3);
  transition: color 0.3s;
}
.news-tab:hover { color: var(--c-dark); }
.news-tab.active { color: var(--c-black); }
.tab-ink {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 3px;
  background: var(--c-primary);
  border-radius: 3px 3px 0 0;
  transform: scaleX(0);
  transition: transform 0.35s var(--ease-out);
}
.news-tab.active .tab-ink { transform: scaleX(1); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border-radius: 16px;
  background: #f0f5fc;
  border: 1px solid rgba(43,127,255,0.15);
  box-shadow: 0 6px 24px rgba(43,127,255,0.06), 0 2px 8px rgba(0,0,0,0.04);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.3s;
  transform-style: preserve-3d;
  will-change: transform;
  animation: cardReveal 0.55s cubic-bezier(0.22,0.61,0.36,1) both;
  animation-delay: calc(var(--ni) * 0.09s);
}
@keyframes cardReveal {
  from { opacity: 0; transform: translateY(28px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
.news-card:hover {
  background: #fff;
  border-color: rgba(43,127,255,0.35);
  box-shadow: 0 20px 50px rgba(43,127,255,0.12), 0 6px 20px rgba(0,0,0,0.05);
}
.news-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), rgba(43,127,255,0.2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
  z-index: 3;
}
.news-card:hover::before { transform: scaleX(1); }
.card-spot {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
  z-index: 1;
}
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}
.card-top time {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.card-top time strong {
  font-family: var(--f-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  transition: transform 0.35s var(--ease-out);
}
.news-card:hover .card-top time strong { transform: scale(1.12); }
.card-top time em {
  font-style: normal;
  font-size: 12px;
  color: var(--c-gray-3);
  letter-spacing: 1px;
}
.card-cat {
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(43,127,255,0.07);
  font-size: 11px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 1px;
}
.news-card h3 {
  position: relative; z-index: 2;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-black);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color 0.3s;
}
.news-card:hover h3 { color: var(--c-primary); }
.news-card p {
  position: relative; z-index: 2;
  flex: 1;
  font-size: 13px;
  color: var(--c-gray-3);
  line-height: 1.8;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-foot {
  position: relative; z-index: 2;
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.35s var(--ease-out);
}
.news-card:hover .card-foot { opacity: 1; transform: none; }
.foot-arrow {
  font-style: normal;
  transition: transform 0.3s;
}
.news-card:hover .foot-arrow { transform: translateX(4px); }
.news-pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 44px;
}
.news-grid-fade { animation: newsGridFade 0.4s var(--ease-out) 0.05s both; }
@keyframes newsGridFade {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
.pg-arrow {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-gray-2);
  transition: all 0.3s var(--ease-out);
}
.pg-arrow:hover:not(:disabled) {
  border-color: var(--c-primary);
  color: var(--c-primary);
  box-shadow: 0 4px 14px rgba(43,127,255,0.15);
}
.pg-arrow:disabled { opacity: 0.3; cursor: not-allowed; }
.pg-dot {
  box-sizing: content-box;
  width: 12px; height: 12px;
  padding: 8px;
  background-clip: content-box;
  border-radius: 50%;
  background: var(--c-line);
  transition: all 0.3s var(--ease-out);
}
.pg-dot.active {
  background: var(--c-primary);
  box-shadow: 0 0 10px rgba(43,127,255,0.4);
  transform: scale(1.3);
}
.pg-dot:hover:not(.active) { background: rgba(43,127,255,0.4); }

@media (max-width: 900px) {
  .news-section { padding: 56px 0; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-tabs { gap: 24px; }
  .news-tab { font-size: 15px; }
}

/* ============================================
   首页需求表单区块
   ============================================ */
.demand-section {
  padding: 86px 0 96px;
  background: var(--c-bg-warm);
}
@media (max-width: 900px) {
  .demand-section { padding-bottom: 80px; }
}