/* ===================== 基础变量（蓝紫色系）===================== */
:root{
  --primary:#6366f1;
  --primary-2:#8b5cf6;
  --primary-3:#a78bfa;
  --accent:#06b6d4;

  --bg-light:#f7f6fc;
  --bg-light-2:#ffffff;
  --bg-dark:#0a0a1f;
  --bg-dark-2:#13102e;
  --bg-card-dark:#1a1640;

  --text:#0f172a;
  --text-2:#475569;
  --text-3:#94a3b8;
  --text-on-dark:#e6e6fb;
  --text-on-dark-2:#a8a4d3;
  --text-on-dark-3:#7570a3;

  --border:rgba(15,23,42,0.08);
  --border-dark:rgba(255,255,255,0.08);

  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(15,23,42,0.04);
  --shadow:0 12px 32px rgba(15,23,42,0.06);
  --shadow-lg:0 24px 48px rgba(15,23,42,0.10);

  --gradient-purple:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a78bfa 100%);
  --gradient-text:linear-gradient(90deg,#a5b4fc,#c4b5fd,#f0abfc);
  --gradient-text-light:linear-gradient(90deg,#6366f1,#8b5cf6,#c026d3);
}

/* ===================== Reset ===================== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'HYQiHei','Microsoft YaHei','PingFang SC','Noto Sans SC',sans-serif;
  color:var(--text);line-height:1.7;background:#fff;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===================== 通用 ===================== */
.text-white{color:#fff !important}
.text-gradient{
  background:var(--gradient-text);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-light .text-gradient,
.cta-title .text-gradient{
  background:var(--gradient-text-light);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cta .text-gradient{
  background:var(--gradient-text);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.section{padding:104px 0;position:relative}
.section-light{background:var(--bg-light)}
.section-light + .section-light{background:#fff}
.section-dark{
  background:linear-gradient(180deg,#0a0a1f 0%,#13102e 100%);
  color:var(--text-on-dark);
}
.section-dark .section-sub,
.section-dark .section-summary{color:var(--text-on-dark-2)}

.section-head{text-align:center;margin-bottom:64px}
.section-title{
  font-size:38px;font-weight:800;line-height:1.3;
  letter-spacing:-0.02em;
}
.section-sub{
  margin-top:18px;font-size:16px;color:var(--text-2);
  max-width:760px;margin-left:auto;margin-right:auto;
}

/* ===================== 配图 ===================== */
.section-figure{
  margin-top:56px;border-radius:var(--radius-lg);overflow:hidden;
  background:#eef0fa;border:1px solid var(--border);
}
.section-dark .section-figure{
  background:rgba(255,255,255,0.03);border-color:var(--border-dark);
}
.section-figure img{width:100%;height:auto;display:block}
.section-figure figcaption{
  text-align:center;padding:16px 24px;
  color:var(--text-2);font-size:14px;background:#fff;
}
.section-dark .section-figure figcaption{
  background:rgba(255,255,255,0.04);color:var(--text-on-dark-2);
}
.section-figure-lg{margin-top:72px}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 28px;border-radius:10px;
  font-weight:600;font-size:15px;
  transition:all .2s ease;border:1px solid transparent;
}
.btn-lg{padding:16px 36px;font-size:16px}
.btn-primary{
  background:var(--gradient-purple);color:#fff;
  box-shadow:0 8px 22px rgba(99,102,241,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(99,102,241,.42)}
.btn-ghost{
  background:transparent;color:#fff;
  border-color:rgba(255,255,255,.25);
}
.section-light .btn-ghost{
  color:var(--text);border-color:var(--border);background:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.section-light .btn-ghost:hover{
  background:var(--bg-light);border-color:var(--primary);color:var(--primary);
}

/* ===================== 顶部导航 ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(10,10,31,0.6);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:all .3s ease;
}
.nav.is-scrolled{
  background:rgba(10,10,31,0.85);
  border-bottom-color:rgba(255,255,255,.1);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:32px;
}
.logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--gradient-purple);color:#fff;
  font-weight:900;font-size:18px;
  box-shadow:0 6px 16px rgba(139,92,246,.4);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text small{
  font-size:11px;color:var(--text-on-dark-2);
  font-weight:500;letter-spacing:.04em;
}
.nav-links{display:flex;gap:28px}
.nav-links a{
  color:var(--text-on-dark-2);font-size:14.5px;font-weight:500;
  transition:color .2s;
}
.nav-links a:hover{color:#fff}
.nav-cta{
  background:var(--gradient-purple);color:#fff;
  padding:9px 20px;border-radius:8px;
  font-size:14px;font-weight:600;transition:all .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(139,92,246,.42)}

/* ===================== 1. Hero ===================== */
.hero{
  position:relative;padding:160px 0 96px;
  background:linear-gradient(180deg,#0a0a1f 0%,#13102e 50%,#1a1147 100%);
  color:var(--text-on-dark);overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 18% 20%,rgba(99,102,241,.22),transparent 40%),
    radial-gradient(circle at 82% 70%,rgba(192,38,211,.18),transparent 45%),
    linear-gradient(rgba(139,92,246,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,92,246,.06) 1px,transparent 1px);
  background-size:auto,auto,60px 60px,60px 60px;
  pointer-events:none;
}
.hero-particles{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 30%,rgba(167,139,250,.7) 0,transparent 1px),
    radial-gradient(circle at 28% 60%,rgba(124,58,237,.6) 0,transparent 1px),
    radial-gradient(circle at 50% 20%,rgba(192,132,252,.55) 0,transparent 1px),
    radial-gradient(circle at 75% 45%,rgba(165,180,252,.6) 0,transparent 1px),
    radial-gradient(circle at 92% 80%,rgba(217,70,239,.5) 0,transparent 1px),
    radial-gradient(circle at 40% 85%,rgba(167,139,250,.6) 0,transparent 1px);
  background-size:200px 200px;
  opacity:.7;
}
.hero-inner{
  position:relative;display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;align-items:center;
}
.hero-eyebrow{
  display:inline-block;padding:8px 16px;border-radius:999px;
  background:rgba(139,92,246,.14);
  border:1px solid rgba(167,139,250,.3);
  color:#ddd6fe;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero-title{
  margin-top:24px;font-size:60px;line-height:1.15;font-weight:900;
  letter-spacing:-0.02em;color:#fff;
}
.hero-sub{
  margin-top:24px;font-size:17px;line-height:1.85;
  color:var(--text-on-dark-2);max-width:580px;
}
.hero-sub strong{color:#fff}
.hero-actions{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{
  position:relative;border-radius:24px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}

/* ===================== 网格 ===================== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ===================== 2. 价值卡片 ===================== */
.value-grid{margin-top:8px}
.value-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:36px 30px;
  transition:all .3s ease;
  position:relative;
}
.value-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(139,92,246,.25);
}
.value-ic{
  width:64px;height:64px;border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:24px;color:#fff;
  background:var(--gradient-purple);
  box-shadow:0 10px 24px rgba(99,102,241,.3);
}
.value-ic svg{width:32px;height:32px}
.value-ic-2{background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.value-ic-2{box-shadow:0 10px 24px rgba(6,182,212,.32)}
.value-ic-3{background:linear-gradient(135deg,#8b5cf6,#ec4899)}
.value-ic-3{box-shadow:0 10px 24px rgba(236,72,153,.3)}
.value-ic-4{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.value-ic-4{box-shadow:0 10px 24px rgba(245,158,11,.3)}
.value-card h3{
  font-size:22px;font-weight:700;color:var(--text);
  margin-bottom:8px;
}
.value-card .value-lead{
  font-size:14.5px;color:var(--primary);
  font-weight:600;margin-bottom:14px;
}
.value-card p{
  color:var(--text-2);font-size:14.5px;line-height:1.85;
  margin:0;
}
.value-card p + p{margin-top:0}

/* ===================== 3. 核心特性 ===================== */
.feature{margin-bottom:96px}
.feature:last-child{margin-bottom:0}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;
  gap:80px;align-items:center;
}
.feature-row-reverse .feature-figure{order:2}
.feature-row-reverse .feature-text{order:1}
.feature-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  box-shadow:0 20px 50px rgba(0,0,0,.3);
}
.feature-figure img{width:100%;display:block}
.feature-tag{
  display:inline-block;
  padding:6px 14px;border-radius:999px;
  background:rgba(139,92,246,.18);
  border:1px solid rgba(167,139,250,.3);
  color:#ddd6fe;font-size:13px;font-weight:700;
  letter-spacing:.04em;margin-bottom:18px;
}
.feature-tag-light{
  background:rgba(99,102,241,.1);
  border-color:rgba(99,102,241,.2);
  color:var(--primary-2);
}
.feature-text h3{
  font-size:30px;font-weight:800;line-height:1.3;color:#fff;
  margin-bottom:18px;letter-spacing:-.01em;
}
.section-light .feature-text h3{color:var(--text)}
.feature-text p{
  color:var(--text-on-dark-2);font-size:15.5px;line-height:1.9;
  margin-bottom:14px;
}
.section-light .feature-text p{color:var(--text-2)}

.sub-h{
  font-size:12.5px;font-weight:700;
  color:var(--primary);letter-spacing:.1em;
  margin-top:22px;margin-bottom:8px;
  text-transform:uppercase;
}
.sub-h-light{color:#a5b4fc}

.trace-list{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.trace-list li{
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:16px 20px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  border-radius:12px;
  align-items:start;
  transition:all .25s;
}
.trace-list li:hover{
  border-color:rgba(167,139,250,.3);
  background:rgba(139,92,246,.06);
}
.trace-list li strong{
  color:#ddd6fe;font-size:15px;font-weight:700;
  padding:4px 10px;border-radius:6px;
  background:rgba(139,92,246,.18);
  white-space:nowrap;
}
.trace-list li span{
  color:var(--text-on-dark-2);font-size:14.5px;
  line-height:1.75;align-self:center;
}

/* ===================== 3.2 对比表格 ===================== */
.feature-table{text-align:center}
.feature-table-head{margin-bottom:40px;text-align:center}
.feature-table-head h3{
  font-size:30px;font-weight:800;line-height:1.3;color:#fff;
  margin-bottom:14px;letter-spacing:-.01em;
}
.feature-lead{
  color:var(--text-on-dark-2);font-size:15.5px;line-height:1.85;
  max-width:760px;margin:0 auto;
}
.compare-wrap{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:8px;
  overflow-x:auto;
}
.compare-table{
  width:100%;border-collapse:separate;border-spacing:0;
  text-align:left;font-size:14.5px;
}
.compare-table th{
  padding:18px 20px;font-weight:700;font-size:14px;
  color:var(--text-on-dark-2);
  border-bottom:1px solid var(--border-dark);
  white-space:nowrap;letter-spacing:.02em;
}
.compare-table th.highlight{
  color:#fff;
  background:linear-gradient(180deg,rgba(139,92,246,.18),rgba(99,102,241,.12));
}
.compare-table th:first-child{border-top-left-radius:14px}
.compare-table th:last-child{border-top-right-radius:14px}
.compare-table td{
  padding:18px 20px;line-height:1.75;
  color:var(--text-on-dark-2);
  border-bottom:1px solid var(--border-dark);
}
.compare-table td:first-child{
  font-weight:600;color:#fff;width:18%;
}
.compare-table td.highlight{
  color:#fff;
  background:rgba(139,92,246,.06);
  border-left:1px solid rgba(167,139,250,.18);
}
.compare-table tr:last-child td{border-bottom:none}
.compare-table tr:last-child td:first-child{border-bottom-left-radius:14px}
.compare-table tr:last-child td:last-child{border-bottom-right-radius:14px}
.compare-table strong{color:#fff;font-weight:700}

/* ===================== 4. 技术架构 ===================== */
.arch-3-layers{
  display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:24px;
}
.arch-layer-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:36px 32px;
  transition:all .3s;
  position:relative;
}
.arch-layer-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow);
  border-color:rgba(139,92,246,.25);
}
.arch-layer-card-mid{
  background:linear-gradient(135deg,#f3f0ff 0%,#fff 100%);
  border-color:rgba(139,92,246,.25);
}
.arch-layer-num{
  display:inline-block;
  font-size:28px;font-weight:900;
  background:var(--gradient-text-light);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.02em;margin-bottom:10px;
}
.arch-layer-card h3{
  font-size:22px;font-weight:700;color:var(--text);
  margin-bottom:12px;
}
.arch-layer-card p{
  color:var(--text-2);font-size:14.5px;line-height:1.85;
}

/* ===================== 5. 业务场景 ===================== */
.scenario-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.scenario-grid > .scenario-card:nth-child(4),
.scenario-grid > .scenario-card:nth-child(5){grid-column:span 1}
.scenario-grid > .scenario-card:nth-child(4){grid-column-start:1}

.scenario-card{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .3s ease;
  display:flex;flex-direction:column;
}
.scenario-card:hover{
  transform:translateY(-6px);
  border-color:rgba(167,139,250,.4);
  box-shadow:0 24px 50px rgba(0,0,0,.3);
}
.scenario-thumb{
  background:#1a1640;
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid var(--border-dark);
}
.scenario-thumb img{width:100%;height:100%;object-fit:cover}
.scenario-card .scenario-tag{
  display:inline-block;
  margin:24px 26px 0;
  padding:5px 12px;border-radius:999px;
  background:rgba(167,139,250,.18);
  color:#ddd6fe;font-size:12px;font-weight:700;
  letter-spacing:.04em;width:fit-content;
}
.scenario-card h3{
  margin:14px 26px 10px;
  font-size:19px;font-weight:700;color:#fff;
}
.scenario-card p{
  margin:0 26px 26px;
  color:var(--text-on-dark-2);font-size:14.5px;line-height:1.8;
  flex:1;
}

/* ===================== 6. 数据安全 ===================== */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:64px;align-items:center;
}
.split-text .section-title{text-align:left;margin-top:18px}
.split-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  background:#eef0fa;
  border:1px solid var(--border);
}
.split-figure img{width:100%;display:block}

.badge-list{
  margin-top:36px;
  display:flex;flex-direction:column;gap:18px;
}
.badge-list li{
  display:grid;grid-template-columns:auto 1fr;gap:20px;
  padding:24px 24px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .25s;
  align-items:start;
}
.badge-list li:hover{
  transform:translateX(4px);
  border-color:rgba(139,92,246,.25);
  box-shadow:var(--shadow-sm);
}
.badge-ic{
  width:52px;height:52px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--gradient-purple);color:#fff;
  flex-shrink:0;
  box-shadow:0 8px 20px rgba(99,102,241,.28);
}
.badge-ic svg{width:26px;height:26px}
.badge-text h4{
  font-size:17px;font-weight:700;color:var(--text);
  margin-bottom:6px;
}
.badge-text p{
  color:var(--text-2);font-size:14.5px;line-height:1.75;
}

/* ===================== 7. CTA ===================== */
.cta{
  position:relative;padding:120px 0;text-align:center;
  background:linear-gradient(135deg,#0a0a1f 0%,#1a1147 50%,#2d1b69 100%);
  color:#fff;overflow:hidden;
}
.cta-bg{position:absolute;inset:0;z-index:0;opacity:.5}
.cta-bg img{width:100%;height:100%;object-fit:cover}
.cta-inner{position:relative;z-index:1}
.cta-title{
  font-size:42px;font-weight:900;line-height:1.3;
  letter-spacing:-0.02em;margin-bottom:20px;color:#fff;
}
.cta-sub{
  font-size:17px;color:var(--text-on-dark-2);
  max-width:660px;margin:0 auto 40px;line-height:1.85;
}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===================== 页脚 ===================== */
.footer{
  background:#050314;padding:36px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.footer-brand{display:flex;align-items:center;gap:14px;color:#fff}
.footer-name{font-weight:700;font-size:16px}
.footer-en{font-size:12px;color:var(--text-on-dark-3);margin-top:2px}
.footer-copy{color:var(--text-on-dark-3);font-size:13px}

/* ===================== 响应式 ===================== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-title{font-size:48px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .arch-3-layers{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr;gap:40px}
  .feature-row-reverse .feature-figure{order:1}
  .feature-row-reverse .feature-text{order:2}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid > .scenario-card:nth-child(4){grid-column-start:auto}
  .split{grid-template-columns:1fr;gap:36px}
  .nav-links{display:none}
}
@media (max-width:640px){
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .hero{padding:120px 0 64px}
  .hero-title{font-size:36px}
  .grid-4{grid-template-columns:1fr}
  .feature-text h3,.feature-table-head h3{font-size:24px}
  .scenario-grid{grid-template-columns:1fr}
  .cta-title{font-size:30px}
  .compare-table th,.compare-table td{padding:14px 12px;font-size:13.5px}
}

/* ===================== 追加：3. 核心特性 - 新增列表样式 ===================== */
.feature-bullet-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-bullet-list li {
  position: relative;
  padding-left: 20px;
  color: var(--text-on-dark-2);
  font-size: 15px;
  line-height: 1.8;
}
.feature-bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-3);
}
.feature-bullet-list strong {
  color: #fff;
}


/* ===================== 修改：5. 业务场景（纯文本卡片适配） ===================== */
/* 删除原来关于 .scenario-thumb 的相关样式，并修改 .scenario-card 的内边距 */
.scenario-card {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  padding: 32px 28px; /* 新增卡片内边距 */
}
.scenario-card:hover {
  transform: translateY(-6px);
  border-color: rgba(167,139,250,.4);
  box-shadow: 0 24px 50px rgba(0,0,0,.3);
}
/* 去除了缩略图后，重置文本的 margin */
.scenario-card .scenario-tag {
  display: inline-block;
  margin: 0 0 16px 0;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(167,139,250,.18);
  color: #ddd6fe;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  width: fit-content;
}
.scenario-card h3 {
  margin: 0 0 12px 0;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
}
.scenario-card p {
  margin: 0;
  color: var(--text-on-dark-2);
  font-size: 14.5px;
  line-height: 1.8;
  flex: 1;
}


/* ===================== 修改：6. 数据安全（改成网格卡片结构） ===================== */
/* 删除旧的 .split 和 .badge-list 样式，替换为下面的网格布局样式 */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.badge-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 36px 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all .25s;
  align-items: flex-start;
}
.badge-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139,92,246,.25);
  box-shadow: var(--shadow);
}
.badge-card .badge-ic {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-purple);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(99,102,241,.28);
}
.badge-card .badge-ic svg {
  width: 28px;
  height: 28px;
}
.badge-card .badge-text h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.badge-card .badge-text p {
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ===================== 响应式补充 (在文件末尾 @media 查询中追加) ===================== */
@media (max-width: 1024px) {
  .badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .badge-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== 追加：3.5 特性两图交替动画 ===================== */
.feature-figure-fade {
  position: relative;
}
.feature-figure-fade .fade-img-base {
  width: 100%;
  display: block;
}
.feature-figure-fade .fade-img-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* 8秒为一个完整周期，无限循环，缓入缓出 */
  animation: crossFadeToggle 8s infinite ease-in-out;
}

/* 定义淡入淡出关键帧：
   0-40% 保持顶图显示
   50-90% 顶图完全透明（露出底图）
   100% 顶图平滑恢复显示
*/
@keyframes crossFadeToggle {
  0%, 40% {
    opacity: 1;
  }
  50%, 90% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* ===================== 配图补全：场景与安全 ===================== */
.section-figure-security{
  margin-top:40px;
}

.scenario-card{
  padding:0;
}
.scenario-thumb{
  background:linear-gradient(135deg,#15113b 0%,#1f1a57 100%);
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid var(--border-dark);
}
.scenario-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.scenario-body{
  display:flex;
  flex:1;
  flex-direction:column;
  padding:32px 28px;
}
.scenario-card .scenario-tag{
  margin:0 0 16px 0;
}
.scenario-card h3{
  margin:0 0 12px 0;
}
.scenario-card p{
  margin:0;
}