/* ====================================================================
 * 96IDC 官网主题 - 首页样式（index.css）
 * --------------------------------------------------------------------
 * 作者   : 96IDC（客服 QQ：2386214936）
 * 官网   : https://www.96idc.cn  |  https://cloud.96idc.cn
 * 版权   : Copyright © 2020-2026 96IDC.CN 保留所有权利
 * 更新   : 2026-10-07
 * ==================================================================== */

:root {
  --c-primary:#0052D9;
  --c-primary-light:#006AE6;
  --c-primary-dark:#003C9D;
  --c-accent:#00C4F2;
  --c-accent-2:#7B61FF;
  --c-warm:#FF6B35;
  --c-warm-light:#FFF0EB;
  --c-text:#0C1426;
  --c-text-sub:#4A5568;
  --c-text-mute:#94A3B8;
  --c-bg:#FFFFFF;
  --c-bg-gray:#F4F8FE;
  --c-bg-soft:#EEF2F8;
  --c-border:#E2E8F0;
  --c-border-light:#F0F4F8;
  --c-dark:#0A1124;
  --c-dark-soft:#0F1A35;
  --shadow-xs:0 1px 2px rgba(12,20,38,.04);
  --shadow-sm:0 2px 8px rgba(12,20,38,.06);
  --shadow-md:0 8px 24px rgba(12,20,38,.08);
  --shadow-lg:0 16px 48px rgba(12,20,38,.12);
  --shadow-glow:0 8px 32px rgba(0,82,217,.15);
  --shadow-glow-warm:0 8px 32px rgba(255,107,53,.25);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --radius-xl:28px;
  --radius-pill:100px;
  --ease:cubic-bezier(0.4,0,0.2,1);
  --ease-spring:cubic-bezier(0.34,1.56,0.64,1);
  --grad-primary:linear-gradient(135deg,#0052D9 0%,#006AE6 100%);
  --grad-accent:linear-gradient(135deg,#0052D9 0%,#00C4F2 100%);
  --grad-warm:linear-gradient(135deg,#FF6B35 0%,#FF8F61 100%);
  --grad-dark:linear-gradient(135deg,#0A1124 0%,#0F1A35 50%,#142849 100%);
  --grad-hero:linear-gradient(135deg,#0A1124 0%,#003C9D 40%,#006AE6 70%,#00C4F2 100%);
  --grad-blue-soft:linear-gradient(180deg,#F0F6FF 0%,#FFFFFF 100%);
  --grad-text:linear-gradient(135deg,#0052D9 0%,#00C4F2 60%,#7B61FF 100%);
}
* {
  box-sizing:border-box
}
body {
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  margin:0
}
.main {
  background:var(--c-bg);
  overflow-x:hidden
}
a {
  text-decoration:none;
  color:inherit
}
::selection {
  background:rgba(0,82,217,.15);
  color:var(--c-primary-dark)
}
::-webkit-scrollbar {
  width:8px;
  height:8px
}
::-webkit-scrollbar-track {
  background:var(--c-bg-gray)
}
::-webkit-scrollbar-thumb {
  background:var(--c-border);
  border-radius:4px
}
::-webkit-scrollbar-thumb:hover {
  background:var(--c-text-mute)
}
html {
  scroll-behavior:smooth
}
.container {
  max-width:1280px;
  margin:0 auto;
  padding:0 20px
}
.nk-dot {
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-warm);
  box-shadow:0 0 8px rgba(255,107,53,.6);
  margin-right:8px;
  vertical-align:middle
}
.nk-reveal {
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)
}
.nk-reveal.in {
  opacity:1;
  transform:translateY(0)
}
.nk-section {
  padding:80px 0;
  position:relative
}
.nk-section-head {
  text-align:center;
  max-width:760px;
  margin:0 auto 52px
}
.nk-section-label {
  display:inline-flex;
  align-items:center;
  padding:6px 16px;
  background:rgba(0,82,217,.08);
  color:var(--c-primary);
  font-size:13px;
  font-weight:700;
  border-radius:var(--radius-pill);
  margin-bottom:16px;
  letter-spacing:.5px
}
.nk-section-label.light {
  background:rgba(255,255,255,.12);
  color:#fff;
  backdrop-filter:blur(8px)
}
.nk-section-title {
  font-size:36px;
  font-weight:800;
  color:var(--c-text);
  margin:0 0 14px;
  line-height:1.3;
  letter-spacing:-.5px
}
.nk-section-title.light {
  color:#fff
}
.nk-section-title em {
  font-style:normal;
  background:var(--grad-text);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent
}
.nk-section-title em small {
  font-size:.55em;
  font-weight:600;
  margin-left:4px;
  -webkit-text-fill-color:var(--c-warm)
}
.nk-section-desc {
  font-size:16px;
  color:var(--c-text-sub);
  line-height:1.7;
  margin:0
}
.nk-section-desc.light {
  color:rgba(255,255,255,.75)
}
.nk-hero {
  position:relative;
  width:100%;
  height:560px;
  overflow:hidden;
  background:#fff
}
.nk-hero-track {
  position:relative;
  width:100%;
  height:100%
}
.nk-slide {
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  opacity:0;
  transition:opacity .9s var(--ease);
  z-index:1
}
.nk-slide.active {
  opacity:1;
  z-index:2
}
.nk-slide-bg {
  position:absolute;
  inset:0;
  display:block;
  overflow:hidden
}
.nk-video {
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  object-fit:cover;
  background:#fff
}
.nk-video-desktop {
  display:block
}
.nk-slide-veil {
  display:none
}
.nk-slide-content {
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  padding-bottom:90px;
  pointer-events:none;
  z-index:5
}
.nk-slide-inner {
  width:100%
}
.nk-slide-text {
  max-width:680px;
  text-align:left
}
.nk-slide-tag {
  display:inline-flex;
  align-items:center;
  padding:6px 16px;
  background:linear-gradient(135deg,#FF6B35 0%,#FF8F61 100%);
  color:#fff;
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-pill);
  box-shadow:0 4px 16px rgba(255,107,53,.35);
  margin-bottom:18px
}
.nk-slide-tag .nk-dot {
  background:#fff;
  box-shadow:0 0 8px rgba(255,255,255,.8)
}
.nk-slide-title {
  font-size:56px;
  font-weight:900;
  color:#0A1124;
  line-height:1.15;
  margin:0;
  letter-spacing:-1px;
  text-shadow:0 2px 16px rgba(255,255,255,.85)
}
.nk-slide-title em {
  font-style:normal;
  color:#FF6B35;
  -webkit-text-fill-color:#FF6B35;
  font-size:1.05em;
  font-weight:900;
  text-shadow:0 2px 14px rgba(255,255,255,.9)
}
.nk-slide-title em small {
  font-size:.42em;
  font-weight:700;
  margin-left:6px;
  color:#FF6B35;
  -webkit-text-fill-color:#FF6B35;
  text-shadow:0 2px 10px rgba(255,255,255,.9)
}
.nk-slide-sub {
  font-size:18px;
  color:#0A1124;
  line-height:1.6;
  margin:18px 0 0;
  max-width:560px;
  font-weight:700;
  text-shadow:0 2px 12px rgba(255,255,255,.85)
}
.nk-slide-btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:28px;
  padding:13px 30px;
  background:linear-gradient(135deg,#FF6B35 0%,#FF8F61 100%);
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  color:#fff;
  pointer-events:auto;
  box-shadow:0 8px 24px rgba(255,107,53,.35);
  transition:transform .3s var(--ease-spring),box-shadow .3s var(--ease)
}
.nk-slide-btn:hover {
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(255,107,53,.5)
}
.nk-slide-btn svg {
  transition:transform .3s var(--ease)
}
.nk-slide-btn:hover svg {
  transform:translateX(3px)
}
.nk-arrow {
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:10;
  width:48px;
  height:48px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(8px);
  color:#0A1124;
  font-size:20px;
  line-height:1;
  cursor:pointer;
  opacity:0;
  transition:opacity .3s ease,background .3s ease,transform .3s ease;
  border:1px solid rgba(0,0,0,.08);
  box-shadow:0 4px 16px rgba(0,0,0,.1)
}
.nk-arrow:hover {
  background:#0A1124;
  color:#fff;
  transform:translateY(-50%) scale(1.05)
}
.nk-arrow-prev {
  left:24px
}
.nk-arrow-next {
  right:24px
}
.nk-hero:hover .nk-arrow {
  opacity:1
}
.nk-dots {
  position:absolute;
  bottom:160px;
  left:50%;
  transform:translateX(-50%);
  z-index:10;
  display:flex;
  gap:10px
}
.nk-dots span {
  width:28px;
  height:4px;
  border-radius:2px;
  background:rgba(10,17,36,.25);
  cursor:pointer;
  transition:all .3s ease
}
.nk-dots span.active {
  width:40px;
  background:linear-gradient(90deg,#0A1124,#0052D9);
  box-shadow:0 0 12px rgba(0,82,217,.3)
}
.nk-hero-stats {
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  z-index:8;
  background:linear-gradient(0deg,rgba(255,255,255,.85) 0%,rgba(255,255,255,.3) 60%,transparent 100%);
  padding:60px 0 24px
}
.nk-stats-row {
  display:flex;
  justify-content:center;
  gap:56px;
  flex-wrap:wrap
}
.nk-stat {
  text-align:center;
  position:relative
}
.nk-stat:not(:last-child)::after {
  content:'';
  position:absolute;
  right:-28px;
  top:10%;
  height:80%;
  width:1px;
  background:rgba(10,17,36,.15)
}
.nk-stat-num {
  font-size:36px;
  font-weight:900;
  color:#003C9D;
  -webkit-text-fill-color:#003C9D;
  line-height:1;
  font-family:"PingFang SC",sans-serif;
  letter-spacing:-1px;
  text-shadow:0 2px 10px rgba(255,255,255,.85)
}
.nk-stat-suffix {
  font-size:18px;
  font-weight:700;
  color:var(--c-primary);
  margin-left:2px
}
.nk-stat-label {
  font-size:13px;
  color:#0A1124;
  margin-top:8px;
  letter-spacing:.5px;
  font-weight:600;
  text-shadow:0 2px 8px rgba(255,255,255,.85)
}
.nk-notice {
  background:linear-gradient(90deg,#0A1124 0%,#0F1A35 100%);
  padding:14px 0;
  border-top:1px solid rgba(255,255,255,.06)
}
.nk-notice-row {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  overflow:hidden
}
.nk-notice-badge {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  background:linear-gradient(135deg,#FF6B35 0%,#FF8F61 100%);
  color:#fff;
  font-size:12px;
  font-weight:700;
  border-radius:var(--radius-pill);
  box-shadow:0 3px 12px rgba(255,107,53,.3);
  flex-shrink:0
}
.nk-notice-track {
  display:flex;
  gap:48px;
  overflow:hidden;
  justify-content:center;
  mask-image:linear-gradient(90deg,transparent 0,#000 5%,#000 95%,transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 5%,#000 95%,transparent 100%)
}
.nk-notice-link {
  color:rgba(255,255,255,.85);
  font-size:13px;
  white-space:nowrap;
  flex-shrink:0;
  transition:color .3s
}
.nk-notice-link:hover {
  color:var(--c-accent)
}
.nk-activity {
  background:#EDF4FF;
  position:relative;
  overflow:hidden
}
.nk-activity::before {
  content:'';
  position:absolute;
  top:-200px;
  right:-200px;
  width:500px;
  height:500px;
  background:radial-gradient(circle,rgba(0,196,242,.12) 0%,transparent 70%);
  border-radius:50%;
  pointer-events:none
}
.nk-activity::after {
  content:'';
  position:absolute;
  bottom:-200px;
  left:-200px;
  width:500px;
  height:500px;
  background:radial-gradient(circle,rgba(255,107,53,.08) 0%,transparent 70%);
  border-radius:50%;
  pointer-events:none
}
/* 活动专区：季付 / 半年付切换控件 */
.nk-as-toggle {
  display: flex;
  justify-content: center;
  margin: -14px 0 30px
}
.nk-as-toggle-inner {
  display: inline-flex;
  background: #fff;
  border: 1px solid var(--nk-border);
  border-radius: 100px;
  padding: 4px;
  gap: 4px;
  box-shadow: 0 1px 2px rgba(12, 20, 38, .04)
}
.nk-as-toggle-btn {
  border: none;
  background: transparent;
  padding: 9px 26px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--nk-text-sub);
  cursor: pointer;
  transition: all .3s ease
}
.nk-as-toggle-btn.active {
  background: linear-gradient(135deg, #FF6B35 0%, #FF8F61 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 53, .3)
}
.nk-as-toggle-btn:not(.active):hover {
  color: #FF6B35
}
@media (max-width: 767px) {
  .nk-as-toggle-btn {
    padding: 8px 18px;
    font-size: 13px
  }
}
.nk-as-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  position:relative
}
.nk-as-card {
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  position:relative;
  overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)
}
.nk-as-card::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s var(--ease)
}
.nk-as-card::after {
  content:'';
  position:absolute;
  top:-50%;
  left:-50%;
  width:200%;
  height:200%;
  background:radial-gradient(circle at center,rgba(0,82,217,.06) 0%,transparent 50%);
  opacity:0;
  transition:opacity .35s var(--ease);
  pointer-events:none
}
.nk-as-card:hover {
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(0,82,217,.15)
}
.nk-as-card:hover::before {
  transform:scaleX(1)
}
.nk-as-card:hover::after {
  opacity:1
}
.nk-as-badge {
  position:absolute;
  top:14px;
  right:14px;
  padding:4px 12px;
  background:linear-gradient(135deg,#FF6B35 0%,#FF8F61 100%);
  color:#fff;
  font-size:11px;
  font-weight:700;
  border-radius:var(--radius-pill);
  box-shadow:0 3px 12px rgba(255,107,53,.35);
  z-index:2
}
.nk-as-badge.cool {
  background:var(--grad-accent);
  box-shadow:0 3px 12px rgba(0,196,242,.35)
}
.nk-as-badge-placeholder {
  display:none
}
.nk-as-title {
  font-size:17px;
  font-weight:700;
  color:var(--c-text);
  margin:0 0 4px
}
.nk-as-tag {
  font-size:12px;
  color:var(--c-text-mute);
  margin-bottom:16px
}
.nk-as-specs {
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:18px
}
.nk-as-spec {
  padding:3px 10px;
  background:var(--c-bg-gray);
  border:1px solid var(--c-border-light);
  border-radius:6px;
  font-size:11px;
  color:var(--c-text-sub)
}
.nk-as-price {
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:12px
}
.nk-as-orig {
  font-size:13px;
  color:var(--c-text-mute);
  text-decoration:line-through
}
.nk-as-cur {
  font-size:14px;
  font-weight:700;
  color:var(--c-warm)
}
.nk-as-now {
  font-size:32px;
  font-weight:900;
  color:var(--c-warm);
  line-height:1;
  font-family:"PingFang SC",sans-serif;
  letter-spacing:-1px
}
.nk-as-unit {
  font-size:12px;
  color:var(--c-text-mute);
  margin-left:2px
}
.nk-as-agent {
  font-size:12px;
  color:var(--c-primary);
  margin-bottom:14px;
  padding:7px 12px;
  background:rgba(0,82,217,.06);
  border-radius:var(--radius-sm);
  border:1px solid rgba(0,82,217,.12)
}
.nk-as-agent strong {
  font-weight:800;
  color:var(--c-primary-dark)
}
.nk-as-btn {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  margin-top:auto;
  padding:11px;
  background:var(--grad-primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-sm);
  box-shadow:0 4px 12px rgba(0,82,217,.18);
  transition:all .25s var(--ease)
}
.nk-as-btn:hover {
  box-shadow:0 8px 20px rgba(0,82,217,.32);
  transform:translateY(-1px)
}
.nk-as-btn svg {
  transition:transform .25s var(--ease)
}
.nk-as-btn:hover svg {
  transform:translateX(3px)
}
.nk-as-footer {
  text-align:center;
  margin-top:36px
}
.nk-as-more {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 28px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-pill);
  color:var(--c-primary);
  font-size:14px;
  font-weight:600;
  box-shadow:var(--shadow-sm);
  transition:all .3s var(--ease)
}
.nk-as-more:hover {
  background:var(--grad-primary);
  color:#fff;
  border-color:transparent;
  transform:translateY(-2px);
  box-shadow:var(--shadow-glow)
}
.nk-as-more svg {
  transition:transform .3s var(--ease)
}
.nk-as-more:hover svg {
  transform:translateX(3px)
}
.nk-products {
  background:#fff;
  position:relative
}
.nk-ps-tabs {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  margin-bottom:36px;
  padding:8px;
  background:var(--c-bg-gray);
  border-radius:var(--radius-pill);
  border:1px solid var(--c-border-light);
  max-width:fit-content;
  margin-left:auto;
  margin-right:auto;
  box-shadow:var(--shadow-sm)
}
.nk-ps-tab {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  background:transparent;
  border:none;
  border-radius:var(--radius-pill);
  color:var(--c-text-sub);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:all .3s var(--ease);
  position:relative
}
.nk-ps-tab:hover {
  color:var(--c-primary)
}
.nk-ps-tab.active {
  background:var(--grad-primary);
  color:#fff;
  box-shadow:0 4px 16px rgba(0,82,217,.25)
}
.nk-ps-tab-icon {
  display:inline-flex;
  align-items:center;
  justify-content:center
}
.nk-ps-tab-arrow {
  display:none
}
.nk-ps-panels {
  position:relative;
  min-height:400px
}
.nk-ps-panel {
  display:none;
  animation:nk-fade-up .5s var(--ease) both
}
.nk-ps-panel.active {
  display:block
}
@keyframes nk-fade-up {
  from {
    opacity:0;
    transform:translateY(12px)
  }
  to {
    opacity:1;
    transform:translateY(0)
  }
}
.nk-ps-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px
}
.nk-ps-card {
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:24px 20px;
  position:relative;
  overflow:hidden;
  transition:all .35s var(--ease)
}
.nk-ps-card::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s var(--ease)
}
.nk-ps-card:hover {
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(0,82,217,.12)
}
.nk-ps-card:hover::before {
  transform:scaleX(1)
}
.nk-ps-card-head {
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px
}
.nk-ps-card-icon {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--grad-primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(0,82,217,.22);
  flex-shrink:0
}
.nk-ps-card-name {
  font-size:16px;
  font-weight:700;
  color:var(--c-text);
  line-height:1.3
}
.nk-ps-card-tag {
  display:inline-block;
  margin-top:4px;
  padding:2px 8px;
  background:rgba(0,196,242,.12);
  color:var(--c-accent);
  font-size:11px;
  font-weight:600;
  border-radius:4px
}
.nk-ps-card-desc {
  font-size:13px;
  color:var(--c-text-sub);
  line-height:1.6;
  margin:0 0 14px;
  min-height:42px
}
.nk-ps-chips {
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:14px
}
.nk-spec-chip {
  padding:3px 9px;
  background:var(--c-bg-gray);
  border:1px solid var(--c-border-light);
  border-radius:6px;
  font-size:11px;
  color:var(--c-text-sub)
}
.nk-spec-chip strong {
  color:var(--c-text);
  font-weight:700;
  margin-left:2px
}
.nk-ps-card-foot {
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--c-border-light)
}
.nk-ps-price {
  display:flex;
  align-items:baseline;
  gap:2px
}
.nk-ps-cur {
  font-size:13px;
  font-weight:700;
  color:var(--c-warm)
}
.nk-ps-amount {
  font-size:26px;
  font-weight:900;
  color:var(--c-warm);
  line-height:1;
  font-family:"PingFang SC",sans-serif;
  letter-spacing:-.5px
}
.nk-ps-unit {
  font-size:11px;
  color:var(--c-text-mute);
  margin-left:2px
}
.nk-ps-buy {
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:8px 14px;
  background:var(--c-bg-gray);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  border-radius:var(--radius-pill);
  transition:all .25s var(--ease)
}
.nk-ps-buy:hover {
  background:var(--grad-primary);
  color:#fff;
  box-shadow:0 4px 12px rgba(0,82,217,.25)
}
.nk-ps-buy svg {
  transition:transform .25s var(--ease)
}
.nk-ps-buy:hover svg {
  transform:translateX(2px)
}
.nk-features {
  background:var(--grad-blue-soft);
  position:relative;
  overflow:hidden
}
.nk-fg-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px
}
.nk-fg-item {
  position:relative;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-xl);
  padding:36px 28px;
  overflow:hidden;
  transition:all .4s var(--ease)
}
.nk-fg-item::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:100%;
  background:radial-gradient(circle at top right,rgba(0,196,242,.08) 0%,transparent 60%);
  opacity:0;
  transition:opacity .4s var(--ease);
  pointer-events:none
}
.nk-fg-item:hover {
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(0,82,217,.12)
}
.nk-fg-item:hover::before {
  opacity:1
}
.nk-fg-num {
  position:absolute;
  top:18px;
  right:24px;
  font-size:64px;
  font-weight:900;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(0,82,217,.18);
  line-height:1;
  font-family:"PingFang SC",sans-serif;
  letter-spacing:-2px;
  transition:-webkit-text-stroke-color .4s var(--ease)
}
.nk-fg-item:hover .nk-fg-num {
  -webkit-text-stroke-color:rgba(0,82,217,.35)
}
.nk-fg-icon {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:56px;
  height:56px;
  border-radius:16px;
  background:var(--grad-primary);
  color:#fff;
  box-shadow:0 8px 24px rgba(0,82,217,.25);
  margin-bottom:20px;
  transition:transform .4s var(--ease-spring)
}
.nk-fg-item:hover .nk-fg-icon {
  transform:scale(1.08) rotate(-6deg)
}
.nk-fg-title {
  font-size:18px;
  font-weight:700;
  color:var(--c-text);
  margin:0 0 10px
}
.nk-fg-desc {
  font-size:13px;
  color:var(--c-text-sub);
  line-height:1.65;
  margin:0
}
.nk-network {
  background:var(--grad-dark);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:56px 0
}
.nk-gn-bg {
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(0,82,217,.25) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(0,196,242,.15) 0%,transparent 50%);
  pointer-events:none
}
.nk-gn-inner {
  position:relative;
  z-index:1
}
.nk-gn-head {
  margin-bottom:32px
}
.nk-gn-map {
  position:relative;
  width:100%;
  max-width:1000px;
  margin:0 auto 24px;
  aspect-ratio:2/1
}
.nk-gn-map svg {
  width:100%;
  height:100%;
  opacity:.25
}
.nk-gn-map svg path {
  fill:rgba(0,196,242,.18);
  stroke:rgba(0,196,242,.35);
  stroke-width:.5
}
.nk-gn-point {
  position:absolute;
  display:flex;
  flex-direction:column;
  align-items:center;
  transform:translate(-50%,-50%)
}
.nk-gn-dot {
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--c-warm);
  box-shadow:0 0 0 4px rgba(255,107,53,.25),0 0 16px rgba(255,107,53,.6);
  position:relative
}
.nk-gn-dot::before,.nk-gn-dot::after {
  content:'';
  position:absolute;
  inset:-6px;
  border-radius:50%;
  border:2px solid rgba(255,107,53,.5);
  animation:nk-pulse 2.4s var(--ease) infinite
}
.nk-gn-dot::after {
  animation-delay:1.2s
}
@keyframes nk-pulse {
  0% {
    transform:scale(1);
    opacity:1
  }
  100% {
    transform:scale(3);
    opacity:0
  }
}
.nk-gn-label {
  margin-top:10px;
  font-size:12px;
  font-weight:700;
  color:#fff;
  text-shadow:0 1px 6px rgba(0,0,0,.6)
}
.nk-gn-desc {
  font-size:10px;
  color:rgba(0,196,242,.85);
  margin-top:2px
}
.nk-gn-pos-cn {
  top:34%;
  left:21%
}
.nk-gn-pos-hk {
  top:46%;
  left:27%
}
.nk-gn-pos-tw {
  top:39%;
  left:35%
}
.nk-gn-pos-jp {
  top:27%;
  left:41%
}
.nk-gn-pos-kr {
  top:42%;
  left:48%
}
.nk-gn-pos-sg {
  top:60%;
  left:44%
}
.nk-gn-pos-my {
  top:69%;
  left:53%
}
.nk-gn-pos-usw {
  top:38%;
  left:79%
}
.nk-gn-pos-use {
  top:48%;
  left:87%
}
.nk-gn-pos-eu {
  top:34%;
  left:62%
}
.nk-gn-cities {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px 24px;
  max-width:900px;
  margin:0 auto
}
.nk-gn-city {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-pill);
  font-size:12px;
  color:rgba(255,255,255,.85);
  backdrop-filter:blur(8px)
}
.nk-gn-dot-sm {
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-accent);
  box-shadow:0 0 6px rgba(0,196,242,.8)
}
.nk-cta {
  position:relative;
  padding:80px 0;
  overflow:hidden;
  background:linear-gradient(135deg,#F0F6FF 0%,#E6F2FF 50%,#FFFFFF 100%)
}
.nk-cta-bg {
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 15% 30%,rgba(0,82,217,.1) 0%,transparent 50%),radial-gradient(circle at 85% 70%,rgba(255,107,53,.08) 0%,transparent 50%),radial-gradient(circle at 50% 100%,rgba(0,196,242,.12) 0%,transparent 60%);
  pointer-events:none
}
.nk-cta-bg::before {
  content:'';
  position:absolute;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='2' cy='2' r='1' fill='rgba(0,82,217,0.06)'/%3E%3C/svg%3E");
  opacity:.5
}
.nk-cta-inner {
  position:relative;
  z-index:1
}
.nk-cta-content {
  max-width:760px;
  margin:0 auto;
  text-align:center;
  color:var(--c-text);
  position:relative;
  z-index:1
}
.nk-cta-tag {
  display:inline-flex;
  align-items:center;
  padding:6px 18px;
  background:rgba(0,82,217,.08);
  border:1px solid rgba(0,82,217,.15);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-pill);
  margin-bottom:20px
}
.nk-cta-tag .nk-dot {
  background:var(--c-warm);
  box-shadow:0 0 8px rgba(255,107,53,.8)
}
.nk-cta-title {
  font-size:42px;
  font-weight:800;
  color:var(--c-text);
  margin:0 0 18px;
  letter-spacing:-1px;
  line-height:1.2
}
.nk-cta-title em {
  font-style:normal;
  background:linear-gradient(135deg,#0052D9 0%,#FF6B35 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent
}
.nk-cta-desc {
  font-size:16px;
  color:var(--c-text-sub);
  line-height:1.7;
  margin:0 0 32px;
  max-width:620px;
  margin-left:auto;
  margin-right:auto
}
.nk-cta-buttons {
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap
}
.nk-cta-btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 32px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  transition:all .3s var(--ease-spring)
}
.nk-cta-btn.primary {
  background:linear-gradient(135deg,#FF6B35 0%,#FF8F61 100%);
  color:#fff;
  box-shadow:0 8px 24px rgba(255,107,53,.4)
}
.nk-cta-btn.primary:hover {
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(255,107,53,.55)
}
.nk-cta-btn.primary svg {
  transition:transform .3s var(--ease)
}
.nk-cta-btn.primary:hover svg {
  transform:translateX(3px)
}
.nk-cta-btn.secondary {
  background:#fff;
  color:var(--c-primary);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-sm)
}
.nk-cta-btn.secondary:hover {
  background:var(--c-bg-gray);
  transform:translateY(-2px);
  border-color:rgba(0,82,217,.2)
}
.nk-clients {
  background:#fff;
  overflow:hidden
}
.nk-cl-marquee {
  position:relative;
  margin:0 0 40px;
  overflow:hidden;
  mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%)
}
.nk-cl-track {
  display:flex;
  gap:24px;
  width:max-content;
  animation:nk-marquee 36s linear infinite
}
.nk-cl-marquee:hover .nk-cl-track {
  animation-play-state:paused
}
@keyframes nk-marquee {
  from {
    transform:translateX(0)
  }
  to {
    transform:translateX(-50%)
  }
}
.nk-client {
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 24px;
  background:var(--c-bg-gray);
  border:1px solid var(--c-border-light);
  border-radius:var(--radius-pill);
  color:var(--c-text-sub);
  font-size:14px;
  font-weight:600;
  transition:all .3s var(--ease);
  flex-shrink:0
}
.nk-client:hover {
  background:#fff;
  border-color:rgba(0,82,217,.15);
  color:var(--c-primary);
  box-shadow:var(--shadow-sm);
  transform:translateY(-2px)
}
.nk-client svg {
  color:var(--c-primary)
}
.nk-cl-stats {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
  padding:32px;
  background:var(--grad-blue-soft);
  border-radius:var(--radius-xl);
  border:1px solid var(--c-border-light)
}
.nk-cl-stat {
  text-align:center;
  position:relative
}
.nk-cl-stat:not(:last-child)::after {
  content:'';
  position:absolute;
  right:-10px;
  top:15%;
  height:70%;
  width:1px;
  background:var(--c-border)
}
.nk-cl-num {
  display:block;
  font-size:32px;
  font-weight:900;
  background:var(--grad-text);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1;
  font-family:"PingFang SC",sans-serif;
  letter-spacing:-1px
}
.nk-cl-label {
  display:block;
  font-size:13px;
  color:var(--c-text-sub);
  margin-top:8px
}
.nk-testimonials {
  background:var(--c-bg-gray);
  position:relative;
  overflow:hidden
}
.nk-testimonials::before {
  content:'';
  position:absolute;
  top:-200px;
  left:50%;
  transform:translateX(-50%);
  width:600px;
  height:600px;
  background:radial-gradient(circle,rgba(0,196,242,.1) 0%,transparent 60%);
  border-radius:50%;
  pointer-events:none
}
.nk-t-summary {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:32px;
  margin:0 auto 48px;
  max-width:760px;
  padding:24px 36px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-md);
  position:relative;
  z-index:1
}
.nk-t-score {
  text-align:center
}
.nk-t-score-num {
  font-size:48px;
  font-weight:900;
  background:var(--grad-text);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1;
  font-family:"PingFang SC",sans-serif;
  letter-spacing:-1.5px
}
.nk-t-score-stars {
  display:flex;
  justify-content:center;
  gap:2px;
  color:#FFB400;
  margin:6px 0;
  font-size:18px
}
.nk-t-score-label {
  font-size:12px;
  color:var(--c-text-mute)
}
.nk-t-divider {
  width:1px;
  height:60px;
  background:var(--c-border)
}
.nk-t-stat {
  text-align:center
}
.nk-t-stat-num {
  font-size:32px;
  font-weight:900;
  color:var(--c-text);
  line-height:1;
  font-family:"PingFang SC",sans-serif
}
.nk-t-stat-num span {
  font-size:16px;
  color:var(--c-warm);
  margin-left:2px
}
.nk-t-stat-label {
  font-size:12px;
  color:var(--c-text-mute);
  margin-top:6px
}
.nk-t-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  position:relative;
  z-index:1
}
.nk-t-card {
  position:relative;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  overflow:hidden;
  transition:all .35s var(--ease)
}
.nk-t-card:hover {
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(0,82,217,.12)
}
.nk-t-quote {
  position:absolute;
  top:18px;
  right:18px;
  color:rgba(0,82,217,.1)
}
.nk-t-head {
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px
}
.nk-t-avatar {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:50%;
  color:#fff;
  font-size:16px;
  font-weight:700
}
.nk-t-bg-1 {
  background:linear-gradient(135deg,#0052D9,#006AE6)
}
.nk-t-bg-2 {
  background:linear-gradient(135deg,#00C4F2,#7B61FF)
}
.nk-t-bg-3 {
  background:linear-gradient(135deg,#FF6B35,#FF8F61)
}
.nk-t-bg-4 {
  background:linear-gradient(135deg,#7B61FF,#0052D9)
}
.nk-t-bg-5 {
  background:linear-gradient(135deg,#00C4F2,#0052D9)
}
.nk-t-bg-6 {
  background:linear-gradient(135deg,#FF8F61,#FF6B35)
}
.nk-t-info {
  display:flex;
  flex-direction:column;
  gap:2px
}
.nk-t-name {
  font-size:14px;
  font-weight:700;
  color:var(--c-text);
  display:flex;
  align-items:center;
  gap:6px
}
.nk-t-verified {
  display:inline-flex;
  color:var(--c-primary)
}
.nk-t-date {
  font-size:12px;
  color:var(--c-text-mute)
}
.nk-t-stars {
  display:flex;
  gap:2px;
  color:#FFB400;
  font-size:14px;
  margin-bottom:10px
}
.nk-t-prod {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  background:rgba(0,82,217,.06);
  color:var(--c-primary);
  font-size:11px;
  font-weight:600;
  border-radius:var(--radius-pill);
  margin-bottom:12px
}
.nk-t-text {
  font-size:13px;
  color:var(--c-text-sub);
  line-height:1.7;
  margin:0
}
@media (max-width:1100px) {
  .nk-as-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .nk-ps-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .nk-fg-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .nk-t-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .nk-cl-stats {
    grid-template-columns:repeat(3,1fr)
  }
  .nk-cl-stat:nth-child(3)::after {
    display:none
  }
  .nk-cl-stat:nth-child(5)::after {
    display:none
  }
}
@media (max-width:767px) {
  .nk-reveal {
    opacity:1 !important;
    transform:none !important;
    transition:none !important
  }
  .nk-section {
    padding:54px 0
  }
  .nk-section-title {
    font-size:24px
  }
  .nk-section-desc {
    font-size:14px
  }
  .nk-section-head {
    margin-bottom:36px
  }
  .nk-hero {
    height:460px
  }
  .nk-slide-content {
    align-items:center;
    padding:0 0 110px
  }
  .nk-slide-text {
    padding:0 16px;
    max-width:100%
  }
  .nk-slide-tag {
    font-size:12px;
    padding:4px 12px
  }
  .nk-slide-title {
    font-size:28px;
    letter-spacing:-.5px
  }
  .nk-slide-sub {
    font-size:13px;
    margin-top:10px
  }
  .nk-slide-btn {
    margin-top:14px;
    padding:10px 22px;
    font-size:14px
  }
  .nk-arrow {
    width:36px;
    height:36px;
    font-size:14px
  }
  .nk-arrow-prev {
    left:12px
  }
  .nk-arrow-next {
    right:12px
  }
  .nk-dots {
    bottom:120px
  }
  .nk-hero-stats {
    padding:14px 12px 14px;
    background:linear-gradient(0deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.5) 60%,transparent 100%)
  }
  .nk-stats-row {
    gap:8px;
    display:grid;
    grid-template-columns:repeat(4,1fr)
  }
  .nk-stat::after {
    display:none !important
  }
  .nk-stat-num {
    font-size:18px
  }
  .nk-stat-suffix {
    font-size:11px
  }
  .nk-stat-label {
    font-size:10px;
    margin-top:4px
  }
  .nk-notice-row {
    gap:10px
  }
  .nk-notice-badge {
    font-size:11px;
    padding:4px 10px
  }
  .nk-notice-link {
    font-size:12px
  }
  .nk-video-desktop {
    display:none !important
  }
  .nk-as-grid {
    grid-template-columns:1fr;
    gap:14px
  }
  .nk-ps-tabs {
    padding:6px;
    gap:6px;
    width:100%;
    max-width:100%;
    justify-content:flex-start;
    overflow-x:auto;
    flex-wrap:nowrap;
    border-radius:var(--radius-lg)
  }
  .nk-ps-tab {
    padding:8px 14px;
    font-size:13px;
    white-space:nowrap
  }
  .nk-ps-tab-name {
    display:inline
  }
  .nk-ps-grid {
    grid-template-columns:1fr
  }
  .nk-fg-grid {
    grid-template-columns:1fr
  }
  .nk-fg-item {
    padding:28px 22px
  }
  .nk-fg-num {
    font-size:48px;
    top:14px;
    right:18px
  }
  .nk-gn-map {
    aspect-ratio:1.6/1
  }
  .nk-gn-point .nk-gn-dot {
    width:8px;
    height:8px
  }
  .nk-gn-dot::before,.nk-gn-dot::after {
    display:none
  }
  .nk-gn-cities {
    gap:8px 12px
  }
  .nk-gn-city {
    font-size:11px;
    padding:5px 10px
  }
  .nk-cta {
    padding:54px 0
  }
  .nk-cta-title {
    font-size:26px
  }
  .nk-cta-desc {
    font-size:14px
  }
  .nk-cta-buttons {
    flex-direction:column;
    align-items:center
  }
  .nk-cta-btn {
    width:100%;
    max-width:280px;
    justify-content:center
  }
  .nk-cl-stats {
    grid-template-columns:repeat(2,1fr);
    gap:16px;
    padding:20px
  }
  .nk-cl-stat::after {
    display:none !important
  }
  .nk-cl-num {
    font-size:24px
  }
  .nk-cl-label {
    font-size:11px
  }
  .nk-t-grid {
    grid-template-columns:1fr
  }
  .nk-t-summary {
    flex-wrap:wrap;
    gap:16px;
    padding:18px 20px
  }
  .nk-t-divider {
    display:none
  }
  .nk-t-score-num {
    font-size:36px
  }
  .nk-t-stat-num {
    font-size:24px
  }
  .nk-arrow,.nk-hero-stats {
    backdrop-filter:none
  }
}
/* ===================== 产品矩阵：左右结构 + 两级导航 ===================== */
.nk-products .nk-section-head {
  text-align:center;
  margin:0 auto 34px
}
.nk-ps-layout {
  display:flex;
  gap:22px;
  align-items:flex-start
}
.nk-ps-side {
  width:212px;
  flex-shrink:0;
  position:sticky;
  top:90px;
  z-index:2
}
.nk-ps-main {
  flex:1;
  min-width:0
}
.nk-products .nk-ps-tabs {
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:8px;
  background:var(--c-bg-gray);
  border:1px solid var(--c-border-light);
  border-radius:var(--radius-lg);
  margin:0;
  box-shadow:var(--shadow-sm);
  max-width:100%
}
.nk-ps-tab {
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  padding:11px 14px;
  background:transparent;
  border:none;
  border-radius:10px;
  color:var(--c-text-sub);
  font-size:14px;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  text-align:left;
  transition:all .25s var(--ease)
}
.nk-ps-tab:hover {
  color:var(--c-primary);
  background:rgba(0,82,217,.06)
}
.nk-ps-tab.active {
  background:var(--grad-primary);
  color:#fff;
  box-shadow:0 4px 14px rgba(0,82,217,.28)
}
.nk-ps-tab-name {
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis
}
.nk-ps-subtabs {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:18px
}
.nk-ps-subtab {
  padding:7px 14px;
  background:var(--c-bg-gray);
  border:1px solid var(--c-border-light);
  color:var(--c-text-sub);
  font-size:13px;
  font-weight:600;
  font-family:inherit;
  border-radius:var(--radius-pill);
  cursor:pointer;
  transition:all .25s var(--ease)
}
.nk-ps-subtab:hover {
  color:var(--c-primary);
  border-color:rgba(0,82,217,.3);
  background:#fff
}
.nk-ps-subtab.active {
  background:rgba(0,82,217,.08);
  border-color:rgba(0,82,217,.4);
  color:var(--c-primary);
  font-weight:700
}
.nk-ps-subpanels {
  position:relative
}
.nk-ps-subpanel {
  display:none
}
.nk-ps-subpanel.active {
  display:block;
  animation:nk-fade-up .45s var(--ease) both
}
.nk-products .nk-ps-grid {
  grid-template-columns:repeat(4,1fr);
  gap:16px
}
.nk-products .nk-ps-card {
  padding:20px 16px
}
@media (max-width:1100px) {
  .nk-products .nk-section-head {
    text-align:center;
    margin:0 auto 30px;
    max-width:760px
  }
  .nk-ps-layout {
    flex-direction:column;
    gap:14px
  }
  .nk-ps-side {
    width:100%;
    position:static
  }
  .nk-products .nk-ps-tabs {
    flex-direction:row;
    flex-wrap:wrap;
    justify-content:center;
    gap:6px;
    padding:8px;
    border-radius:var(--radius-lg)
  }
  .nk-ps-tab {
    width:auto;
    padding:8px 14px;
    font-size:13px
  }
  .nk-products .nk-ps-grid {
    grid-template-columns:repeat(3,1fr)
  }
}
@media (max-width:767px) {
  .nk-products .nk-section-head {
    text-align:center;
    margin:0 auto 26px;
    max-width:760px
  }
  .nk-products .nk-ps-tabs {
    justify-content:flex-start;
    gap:6px;
    padding:6px
  }
  .nk-ps-tab {
    padding:7px 12px;
    font-size:12px
  }
  .nk-ps-subtabs {
    flex-wrap:wrap;
    gap:6px;
    margin-bottom:14px
  }
  .nk-ps-subtab {
    padding:6px 12px;
    font-size:12px
  }
  .nk-products .nk-ps-grid {
    grid-template-columns:1fr;
    gap:14px
  }
}