/* ============================================
   TetraAI · 大模型量化交易 官网样式
   深色金融科技风：深蓝黑底 + 金色强调 + 青色点缀
   ============================================ */

:root {
  --bg: #0a0f1e;
  --bg-2: #0e1628;
  --bg-3: #121c33;
  --card: #131d36;
  --card-2: #182544;
  --border: #22304f;
  --border-light: #2d3f66;
  --text: #e8edf7;
  --muted: #93a1bf;
  --gold: #f0b90b;
  --gold-2: #f8d448;
  --cyan: #2fd4c7;
  --green: #16c784;
  --red: #ea3943;
  --primary: #f0b90b;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ---------- 顶部活动条 ---------- */
.topbar {
  background: linear-gradient(90deg, #1a1a2e, #16213e, #1a1a2e);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 36px; }
.topbar b { color: var(--gold); }
.topbar-right a { margin-left: 18px; color: var(--muted); }
.topbar-right a:hover { color: var(--gold); }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 15, 30, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--gold), #d99a06);
  color: #0a0f1e; font-weight: 800; font-size: 22px;
  box-shadow: 0 4px 14px rgba(240, 185, 11, .35);
}
.logo > span:last-child { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.logo small { display: block; font-size: 10px; font-weight: 500; letter-spacing: 2.5px; color: var(--muted); margin-top: 2px; }

.nav-links { display: flex; gap: 30px; }
.nav-links a { font-size: 15px; color: var(--muted); padding: 6px 0; border-bottom: 2px solid transparent; transition: .25s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); border-color: var(--gold); }

.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-lang {
  font-size: 13px; font-weight: 600; color: var(--cyan);
  border: 1px solid rgba(47, 212, 199, .45); border-radius: 8px;
  padding: 4px 12px; transition: .25s;
}
.nav-lang:hover { background: rgba(47, 212, 199, .12); color: var(--cyan); }
.nav-tel { color: var(--gold); font-weight: 600; font-size: 15px; }

.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: none; transition: .25s; white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e; box-shadow: 0 6px 18px rgba(240, 185, 11, .3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(240, 185, 11, .45); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-light); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 抽屉（移动端） ---------- */
.drawer {
  position: fixed; inset: 0; z-index: 200; visibility: hidden; opacity: 0; transition: .3s;
}
.drawer.open { visibility: visible; opacity: 1; }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 280px;
  background: var(--bg-2); padding: 24px; display: flex; flex-direction: column; gap: 8px;
  border-left: 1px solid var(--border); transform: translateX(100%); transition: .3s;
}
.drawer.open .drawer-panel { transform: translateX(0); }
.drawer-panel a { padding: 14px 8px; font-size: 16px; color: var(--muted); border-bottom: 1px solid var(--border); }
.drawer-panel a:hover { color: var(--gold); }
.drawer-close { align-self: flex-end; background: none; border: none; color: var(--muted); font-size: 28px; cursor: pointer; }
.drawer-cta { margin-top: 16px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 100px 0 90px; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(240, 185, 11, .12), transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(47, 212, 199, .1), transparent 60%),
    linear-gradient(180deg, #0a0f1e, #0c1426);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(240,185,11,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,185,11,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 75%);
}
.hero-inner { position: relative; z-index: 1; text-align: center; }
.hero-badge {
  display: inline-block; padding: 8px 18px; border-radius: 999px;
  background: rgba(240, 185, 11, .12); border: 1px solid rgba(240, 185, 11, .4);
  color: var(--gold-2); font-size: 14px; margin-bottom: 26px;
}
.hero h1 { font-size: clamp(40px, 6vw, 64px); font-weight: 800; line-height: 1.25; letter-spacing: 1px; }
.grad-text {
  background: linear-gradient(90deg, var(--gold), var(--cyan), var(--gold));
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 6s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.hero-sub { margin: 26px auto 0; max-width: 640px; color: var(--muted); font-size: 17px; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  padding: 28px 24px; border-radius: var(--radius);
  background: rgba(19, 29, 54, .7); border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.hero-stats .stat b { display: block; font-size: 32px; font-weight: 800; color: var(--gold); }
.hero-stats .stat span { font-size: 13px; color: var(--muted); }

/* ---------- Section ---------- */
.section { padding: 90px 0; }
.section-dark { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.sec-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.sec-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--cyan); margin-bottom: 12px;
}
.sec-head h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 800; margin-bottom: 14px; }
.sec-head p { color: var(--muted); font-size: 16px; }

/* 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; }

/* 卡片 */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; transition: .3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-light); box-shadow: var(--shadow); }

.feat-icon {
  width: 54px; height: 54px; border-radius: 14px; font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(240, 185, 11, .12); border: 1px solid rgba(240, 185, 11, .3);
  margin-bottom: 18px;
}
.feat h3 { font-size: 18px; margin-bottom: 10px; }
.feat p { color: var(--muted); font-size: 14.5px; }

/* 产品卡片 */
.product { position: relative; overflow: hidden; }
.product-tag {
  display: inline-block; font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: rgba(47, 212, 199, .12); color: var(--cyan); border: 1px solid rgba(47, 212, 199, .35);
  margin-bottom: 14px; letter-spacing: 1px;
}
.product h3 { font-size: 20px; margin-bottom: 12px; }
.product p { color: var(--muted); font-size: 14.5px; margin-bottom: 20px; min-height: 64px; }

/* ---------- 案例区 ---------- */
.case-box {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; margin-bottom: 24px;
}
.case-video {
  aspect-ratio: 16/9; border-radius: 12px; position: relative;
  background: linear-gradient(135deg, #1a2444, #0e1628);
  border: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: center;
}
.case-play {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(240, 185, 11, .9); color: #0a0f1e; font-size: 24px;
  display: flex; align-items: center; justify-content: center; padding-left: 6px;
}
.case-video-label {
  position: absolute; bottom: 12px; left: 0; right: 0; text-align: center;
  font-size: 12px; color: var(--muted);
}
.case-flow {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-top: 18px; font-size: 13px; color: var(--muted); flex-wrap: wrap;
}
.case-flow i { color: var(--gold); font-style: normal; }
.case-flow span { background: var(--bg-3); padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border); }

.case-right h3 { font-size: 22px; margin-bottom: 20px; }
.case-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.case-metrics li {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; display: flex; justify-content: space-between; align-items: center;
}
.case-metrics span { color: var(--muted); font-size: 13px; }
.case-metrics b { font-size: 20px; color: var(--green); }
.case-metrics b.red { color: var(--red); }
.case-desc { color: var(--muted); font-size: 14.5px; }

.case-strip {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 28px; flex-wrap: wrap;
}
.case-strip-item { display: flex; align-items: center; gap: 10px; }
.case-strip-item b { font-size: 16px; }
.case-strip-item span { font-size: 13px; color: var(--muted); }
.case-arrow { color: var(--gold); font-size: 20px; }

/* ---------- 数据带 ---------- */
.band {
  background: linear-gradient(135deg, #1a1a2e, #0e1628);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 44px 0;
}
.band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.band b { display: block; font-size: 34px; font-weight: 800; color: var(--gold); }
.band span { font-size: 13px; color: var(--muted); }

/* ---------- 路线图 ---------- */
.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rm-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; position: relative; overflow: hidden;
}
.rm-num {
  font-size: 44px; font-weight: 800; color: transparent;
  -webkit-text-stroke: 1px rgba(240, 185, 11, .5);
  margin-bottom: 12px;
}
.rm-item h3 { font-size: 19px; margin-bottom: 10px; }
.rm-item p { color: var(--muted); font-size: 14.5px; }

/* ---------- CTA ---------- */
.cta {
  background: radial-gradient(ellipse 80% 100% at 50% 0%, rgba(240, 185, 11, .14), transparent 60%), var(--bg-2);
  padding: 80px 0; text-align: center; border-top: 1px solid var(--border);
}
.cta-inner h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; margin-bottom: 14px; }
.cta-inner p { color: var(--muted); margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer { background: #080c18; border-top: 1px solid var(--border); padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 40px; }
.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 14px; }
.footer-slogan { color: var(--gold) !important; }
.footer-col h4 { font-size: 15px; margin-bottom: 16px; color: var(--text); }
.footer-col a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; }
.footer-col a:hover { color: var(--gold); }
.footer-col p { color: var(--muted); font-size: 14px; padding: 4px 0; }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); flex-wrap: wrap; gap: 8px; }

/* 浮动电话 */
.float-tel {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  box-shadow: 0 8px 24px rgba(240, 185, 11, .4);
}

/* ---------- 页头（内页） ---------- */
.page-hero {
  padding: 70px 0; text-align: center;
  background: radial-gradient(ellipse 70% 90% at 50% 0%, rgba(240, 185, 11, .1), transparent 60%);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(30px, 4.5vw, 44px); font-weight: 800; margin-bottom: 12px; }
.page-hero p { color: var(--muted); font-size: 16px; }

/* ---------- 产品详情 ---------- */
.prod-detail {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; margin-bottom: 28px;
}
.prod-detail-tag {
  display: inline-block; font-size: 12px; padding: 4px 14px; border-radius: 999px;
  background: rgba(47, 212, 199, .12); color: var(--cyan); border: 1px solid rgba(47, 212, 199, .35);
  margin-bottom: 14px; letter-spacing: 1px;
}
.prod-detail h2 { font-size: 24px; margin-bottom: 12px; }
.prod-desc { color: var(--muted); font-size: 15px; margin-bottom: 22px; max-width: 900px; }
.prod-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.pf {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; display: flex; flex-direction: column; gap: 4px;
}
.pf b { font-size: 14px; color: var(--gold); }
.pf span { font-size: 13.5px; color: var(--muted); }

/* 平台卡片 */
.platform { text-align: center; }
.plat-icon { font-size: 40px; margin-bottom: 14px; }
.platform h3 { font-size: 18px; margin-bottom: 8px; }
.platform p { color: var(--muted); font-size: 14px; }

/* 利润 */
.profit-box {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px;
}
.profit-item { text-align: center; padding: 18px; background: var(--bg-3); border-radius: 12px; }
.profit-item span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.profit-item b { font-size: 26px; color: var(--gold); }
.note { text-align: center; color: var(--muted); font-size: 13px; margin-top: 18px; }

/* ---------- 技术流水线 ---------- */
.pipe {
  display: flex; align-items: stretch; gap: 14px; flex-wrap: wrap; justify-content: center;
}
.pipe-step {
  flex: 1; min-width: 200px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 22px; text-align: center;
}
.pipe-ico { font-size: 34px; margin-bottom: 12px; }
.pipe-step h3 { font-size: 17px; margin-bottom: 8px; }
.pipe-step p { font-size: 13px; color: var(--muted); }
.pipe-arrow { align-self: center; color: var(--gold); font-size: 22px; }

/* 知识图谱卡片 */
.kg-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--gold); }
.kg-card p { color: var(--muted); font-size: 14px; }

/* 架构图 */
.arch { max-width: 860px; margin: 0 auto; }
.arch-layer { display: flex; align-items: center; gap: 18px; }
.arch-label {
  writing-mode: vertical-lr; letter-spacing: 4px; font-size: 13px; color: var(--cyan);
  border: 1px solid var(--border-light); border-radius: 8px; padding: 10px 6px;
}
.arch-boxes { display: flex; gap: 14px; flex-wrap: wrap; flex: 1; }
.arch-box {
  flex: 1; min-width: 130px; text-align: center; padding: 18px 12px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 12px;
  font-size: 14px; color: var(--muted);
}
.arch-box.primary { border-color: rgba(240, 185, 11, .5); color: var(--gold); background: rgba(240, 185, 11, .08); }
.arch-box.accent { border-color: rgba(47, 212, 199, .5); color: var(--cyan); background: rgba(47, 212, 199, .08); }
.arch-conn { text-align: center; color: var(--muted); font-size: 12px; padding: 10px 0; letter-spacing: 2px; }

/* ---------- 团队 ---------- */
.team-vision {
  max-width: 860px; margin: 0 auto; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 40px;
}
.team-vision p { color: var(--muted); margin-bottom: 12px; font-size: 15.5px; }
.team-vision p:last-child { margin-bottom: 0; }
.team-vision b { color: var(--gold); }

.team-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.member { text-align: center; }
.member-avatar {
  width: 72px; height: 72px; margin: 0 auto 16px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  font-size: 28px; font-weight: 800; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(240, 185, 11, .3);
}
.member h3 { font-size: 18px; }
.member-role {
  display: inline-block; margin: 8px 0 12px; font-size: 12px; color: var(--cyan);
  background: rgba(47, 212, 199, .1); border: 1px solid rgba(47, 212, 199, .3);
  padding: 3px 12px; border-radius: 999px;
}
.member p { color: var(--muted); font-size: 13.5px; text-align: left; }

/* 组织架构 */
.org { max-width: 900px; margin: 0 auto; }
.org-top { display: flex; justify-content: center; gap: 60px; margin-bottom: 36px; }
.org-node {
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  font-weight: 700; padding: 10px 26px; border-radius: 10px; font-size: 15px;
}
.org-three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.org-col .org-node {
  background: var(--bg-3); color: var(--gold); border: 1px solid rgba(240, 185, 11, .4);
  text-align: center; margin-bottom: 14px;
}
.org-nodes { display: flex; flex-direction: column; gap: 10px; }
.org-nodes span {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; font-size: 13.5px; color: var(--muted); text-align: center;
}

/* ---------- 关于 ---------- */
.about-intro { max-width: 860px; margin: 0 auto; }
.about-intro h2 { font-size: 26px; margin-bottom: 20px; }
.about-intro p { color: var(--muted); margin-bottom: 16px; font-size: 15.5px; }

/* 时间线 */
.timeline { max-width: 760px; margin: 0 auto; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 14px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--cyan));
}
.tl-item { position: relative; padding: 0 0 36px 56px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: 6px; top: 6px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--gold);
}
.tl-body { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 26px; }
.tl-body h3 { font-size: 17px; margin-bottom: 4px; }
.tl-date { color: var(--gold); font-size: 13px; font-weight: 600; }
.tl-body p { color: var(--muted); font-size: 14px; margin-top: 8px; }

/* 价值观 */
.values { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.value {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 20px; text-align: center;
}
.value b { display: block; font-size: 19px; color: var(--gold); margin-bottom: 8px; }
.value span { font-size: 13px; color: var(--muted); }

/* ---------- 资讯 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news { display: flex; flex-direction: column; }
.news-tag {
  align-self: flex-start; font-size: 12px; padding: 3px 12px; border-radius: 999px;
  background: rgba(47, 212, 199, .1); color: var(--cyan); border: 1px solid rgba(47, 212, 199, .3);
  margin-bottom: 12px;
}
.news h3 { font-size: 17px; margin-bottom: 10px; line-height: 1.5; }
.news p { color: var(--muted); font-size: 14px; flex: 1; }
.news-date { color: var(--muted); font-size: 12.5px; margin-top: 14px; }

/* ---------- 联系 ---------- */
.contact-wrap {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 44px;
}
.contact-info h2 { font-size: 24px; margin-bottom: 22px; }
.contact-info p { color: var(--muted); font-size: 15px; padding: 7px 0; }
.contact-qr { margin-top: 26px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.qr-placeholder {
  width: 140px; height: 140px; border-radius: 12px;
  border: 2px dashed var(--border-light); color: var(--muted);
  display: flex; align-items: center; justify-content: center; font-size: 14px;
  background: var(--bg-3);
}
.contact-qr span { font-size: 13px; color: var(--muted); }

.contact-form h3 { font-size: 20px; margin-bottom: 20px; }
.contact-form label { display: block; margin-bottom: 16px; font-size: 13px; color: var(--muted); }
.contact-form input, .contact-form select, .contact-form textarea {
  display: block; width: 100%; margin-top: 6px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 14.5px; padding: 12px 16px; font-family: inherit;
  transition: .25s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--gold);
}
.contact-form textarea { resize: vertical; }
.form-tip { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 12px; }

/* 融资 */
.fund-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 26px; }
.fund { text-align: center; }
.fund-amount { font-size: 30px; font-weight: 800; color: var(--gold); margin-bottom: 10px; }
.fund h3 { font-size: 16px; margin-bottom: 8px; }
.fund p { color: var(--muted); font-size: 13.5px; }
.fund-note {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 26px; color: var(--muted); font-size: 14px; text-align: center;
}

.coop { text-align: center; position: relative; overflow: hidden; }
.coop::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  background-size: 200% 100%; animation: archBeam 3.5s linear infinite;
}
.coop-ico {
  font-size: 40px; margin-bottom: 14px; display: inline-block;
  filter: drop-shadow(0 0 10px rgba(240, 185, 11, .35));
  animation: iconFloat 3s ease-in-out infinite;
}
.coop:nth-child(2) .coop-ico { animation-delay: .5s; }
.coop:nth-child(3) .coop-ico { animation-delay: 1s; }
.coop h3 { font-size: 18px; margin-bottom: 10px; }
.coop p { color: var(--muted); font-size: 14px; text-align: left; }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- PDF 截图展示 ---------- */
.shot-card { overflow: hidden; padding: 0; background: var(--bg-3); }
.shot-card img { width: 100%; display: block; }
.shot-cap { padding: 14px 18px; font-size: 13.5px; color: var(--muted); border-top: 1px solid var(--border); }
.shot-cap b { color: var(--gold); }

/* 案例画廊 */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: .3s; }
.gallery-item:hover { transform: translateY(-4px); border-color: var(--border-light); box-shadow: var(--shadow); }
.gallery-item img { width: 100%; display: block; }
.gallery-cap { padding: 16px 18px; }
.gallery-cap h3 { font-size: 15.5px; margin-bottom: 6px; color: var(--text); }
.gallery-cap p { font-size: 13px; color: var(--muted); }

/* 智能体架构图 */
.agent-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 26px; position: relative; }
/* 智能体协作光束：贯穿四卡 */
.agent-grid::before {
  content: ""; position: absolute; top: 50%; left: 12%; right: 12%; height: 2px;
  transform: translateY(-50%); z-index: 0;
  background: linear-gradient(90deg, transparent, rgba(240, 185, 11, .35), var(--gold), rgba(240, 185, 11, .35), transparent);
  background-size: 200% 100%;
  animation: archBeam 3s linear infinite;
  pointer-events: none;
}
.agent-grid::after {
  content: "✦"; position: absolute; top: 50%; left: 8%; z-index: 1;
  transform: translateY(-50%); color: var(--gold-2); font-size: 13px;
  text-shadow: 0 0 8px rgba(240, 185, 11, .9);
  animation: agentComet 5s linear infinite;
  pointer-events: none;
}
@keyframes agentComet {
  0% { left: 6%; opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { left: 92%; opacity: 0; }
}
.agent-node { position: relative; z-index: 2; }
.agent-node {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 20px; text-align: center; position: relative;
}
.agent-node::after {
  content: "→"; position: absolute; right: -15px; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 18px; z-index: 2;
}
.agent-node:last-child::after { display: none; }
.agent-ico { font-size: 34px; margin-bottom: 10px; }
.agent-node h3 { font-size: 16px; margin-bottom: 6px; }
.agent-node p { font-size: 12.5px; color: var(--muted); }
.agent-loop {
  margin-top: 18px; text-align: center; background: rgba(240, 185, 11, .08);
  border: 1px dashed rgba(240, 185, 11, .45); border-radius: 12px;
  padding: 14px 20px; font-size: 14px; color: var(--gold-2);
}

/* RL 训练闭环 */
.rl-box {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; align-items: center;
  text-align: center;
}
.rl-step { padding: 16px 10px; background: var(--bg-3); border-radius: 12px; }
.rl-step b { display: block; font-size: 14px; color: var(--cyan); margin-bottom: 4px; }
.rl-step span { font-size: 12.5px; color: var(--muted); }
.rl-arrow { color: var(--gold); font-size: 20px; }

/* 私有知识库 */
.rag-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.rag-list li {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; margin-bottom: 12px; font-size: 14px; color: var(--muted);
  display: flex; gap: 10px; align-items: flex-start;
}
.rag-list li b { color: var(--gold); white-space: nowrap; }

@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .agent-node::after { display: none; }
  .rl-box { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  .gallery-grid, .rag-wrap { grid-template-columns: 1fr; }
  .agent-grid { grid-template-columns: 1fr; }
}

/* ---------- 服务流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; text-align: center; position: relative;
}
.step-num {
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--muted); }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 12px; overflow: hidden;
}
.faq-q {
  padding: 18px 24px; font-size: 15px; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-q::after { content: "+"; font-size: 20px; color: var(--gold); transition: .3s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .35s ease;
  color: var(--muted); font-size: 14px; line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a p { padding: 0 24px 18px; }

@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- 翻页轮播特效 ---------- */
.carousel { position: relative; }
.carousel-viewport { overflow: hidden; border-radius: var(--radius); }
.carousel-track {
  display: flex; transition: transform .6s cubic-bezier(.22, .8, .36, 1);
}
.carousel-slide { flex: 0 0 100%; min-width: 100%; }

.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(10, 15, 30, .75); border: 1px solid var(--border-light);
  color: var(--gold); font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px); transition: .25s;
}
.carousel-btn:hover { background: var(--gold); color: #0a0f1e; border-color: var(--gold); }
.carousel-btn.prev { left: -8px; }
.carousel-btn.next { right: -8px; }

.carousel-dots {
  display: flex; justify-content: center; gap: 10px; margin-top: 22px;
}
.carousel-dot {
  width: 10px; height: 10px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--border-light); transition: .3s; padding: 0;
}
.carousel-dot.active { background: var(--gold); width: 28px; border-radius: 6px; }
.carousel-dot:hover { background: var(--gold-2); }

.carousel-counter {
  text-align: center; color: var(--muted); font-size: 13px; margin-top: 10px;
  letter-spacing: 1px;
}
.carousel-counter b { color: var(--gold); }

/* 资讯分页 */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 40px;
}
.page-btn {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--border); color: var(--muted);
  font-size: 14px; cursor: pointer; transition: .25s;
}
.page-btn:hover { border-color: var(--gold); color: var(--gold); }
.page-btn.active { background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e; font-weight: 700; border-color: transparent; }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }
.page-info { color: var(--muted); font-size: 13px; margin: 0 6px; }

@media (max-width: 860px) {
  .carousel-btn { width: 38px; height: 38px; font-size: 16px; }
  .carousel-btn.prev { left: 4px; }
  .carousel-btn.next { right: 4px; }
}

/* ---------- 重大事件商业模式动画 ---------- */
.biz-model { position: relative; }
.biz-flow {
  display: flex; align-items: stretch; justify-content: center; gap: 10px;
  flex-wrap: wrap; margin-bottom: 40px; position: relative;
}
/* 贯穿流程的信号光线 */
.biz-flow::before {
  content: ""; position: absolute; top: 50%; left: 6%; right: 6%; height: 2px;
  transform: translateY(-50%); z-index: 0;
  background: linear-gradient(90deg, transparent, rgba(240, 185, 11, .35), var(--gold), rgba(240, 185, 11, .35), transparent);
  background-size: 200% 100%;
  animation: bizBeam 3s linear infinite;
  border-radius: 2px;
}
@keyframes bizBeam {
  0% { background-position: 200% 0; opacity: .5; }
  50% { opacity: 1; }
  100% { background-position: -200% 0; opacity: .5; }
}
/* 光束上流动的光点 */
.biz-flow::after {
  content: "✦"; position: absolute; top: 50%; left: 0; z-index: 1;
  transform: translateY(-50%); color: var(--gold-2); font-size: 14px;
  text-shadow: 0 0 8px rgba(240, 185, 11, .9);
  animation: bizComet 6s linear infinite;
}
@keyframes bizComet {
  0% { left: 4%; opacity: 0; }
  8% { opacity: 1; }
  50% { opacity: 1; }
  92% { opacity: 1; }
  100% { left: 94%; opacity: 0; }
}
.biz-node {
  flex: 1; min-width: 150px; max-width: 180px;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 14px; text-align: center; position: relative; overflow: hidden;
  transition: border-color .4s, box-shadow .4s, transform .4s;
  z-index: 2;
}
.biz-node .biz-ico { font-size: 30px; margin-bottom: 8px; display: block; }
.biz-node h4 { font-size: 14px; margin-bottom: 4px; color: var(--text); }
.biz-node p { font-size: 12px; color: var(--muted); line-height: 1.5; }
.biz-node .biz-step {
  position: absolute; top: 8px; left: 8px; width: 22px; height: 22px;
  border-radius: 50%; background: var(--bg-3); border: 1px solid var(--border-light);
  color: var(--muted); font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: .4s;
}
/* 节点依次点亮（节奏化） */
.biz-node { animation: bizPulse 12s linear infinite; opacity: .4; }
.biz-node:nth-child(1) { animation-delay: 0s; }
.biz-node:nth-child(2) { animation-delay: 1.6s; }
.biz-node:nth-child(3) { animation-delay: 3.2s; }
.biz-node:nth-child(4) { animation-delay: 4.8s; }
.biz-node:nth-child(5) { animation-delay: 6.4s; }
.biz-node:nth-child(6) { animation-delay: 8s; }
@keyframes bizPulse {
  0%, 100% { opacity: .4; border-color: var(--border); box-shadow: none; transform: translateY(0); }
  10% { opacity: 1; border-color: var(--gold); box-shadow: 0 0 26px rgba(240, 185, 11, .45); transform: translateY(-4px) scale(1.04); }
  30% { opacity: 1; border-color: var(--gold); box-shadow: 0 0 26px rgba(240, 185, 11, .45); transform: translateY(-4px) scale(1.04); }
  42% { opacity: .4; border-color: var(--border); box-shadow: none; transform: translateY(0) scale(1); }
}
/* 点亮节点的图标跳动 */
.biz-node .biz-ico { animation: bizIcon 12s linear infinite; }
.biz-node:nth-child(1) .biz-ico { animation-delay: 0s; }
.biz-node:nth-child(2) .biz-ico { animation-delay: 1.6s; }
.biz-node:nth-child(3) .biz-ico { animation-delay: 3.2s; }
.biz-node:nth-child(4) .biz-ico { animation-delay: 4.8s; }
.biz-node:nth-child(5) .biz-ico { animation-delay: 6.4s; }
.biz-node:nth-child(6) .biz-ico { animation-delay: 8s; }
@keyframes bizIcon {
  0%, 100% { transform: scale(1); }
  10% { transform: scale(1.35) rotate(-6deg); }
  30% { transform: scale(1.35) rotate(6deg); }
  42% { transform: scale(1); }
}
/* 节点间流动箭头 */
.biz-arrow {
  align-self: center; font-size: 20px; font-weight: 700; z-index: 2;
  color: var(--gold); opacity: .3;
  animation: bizArrow 12s linear infinite;
  text-shadow: 0 0 10px rgba(240, 185, 11, .6);
}
.biz-arrow:nth-of-type(1) { animation-delay: .9s; }
.biz-arrow:nth-of-type(2) { animation-delay: 2.5s; }
.biz-arrow:nth-of-type(3) { animation-delay: 4.1s; }
.biz-arrow:nth-of-type(4) { animation-delay: 5.7s; }
.biz-arrow:nth-of-type(5) { animation-delay: 7.3s; }
@keyframes bizArrow {
  0%, 100% { opacity: .2; transform: translateX(0) scale(1); }
  8% { opacity: 1; transform: translateX(5px) scale(1.3); }
  16% { opacity: 1; transform: translateX(6px) scale(1.3); }
  24% { opacity: .2; transform: translateX(0) scale(1); }
}

/* 押韵标语 */
.biz-rhyme {
  text-align: center; margin: -24px auto 36px; max-width: 720px;
  padding: 16px 26px; border-radius: 14px; position: relative;
  background: linear-gradient(135deg, rgba(240, 185, 11, .1), rgba(47, 212, 199, .08));
  border: 1px solid rgba(240, 185, 11, .3);
}
.biz-rhyme b {
  font-size: 18px; color: var(--gold-2); letter-spacing: 1px;
}
.biz-rhyme span {
  display: block; margin-top: 6px; font-size: 13.5px; color: var(--muted); line-height: 1.8;
}

/* 历史与实战双事件对照 */
.biz-events { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.biz-event {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; position: relative; overflow: hidden;
}
.biz-event::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.biz-event.profit::before { background: linear-gradient(90deg, var(--green), transparent); }
.biz-tag {
  display: inline-block; font-size: 12px; padding: 3px 12px; border-radius: 999px;
  background: rgba(240, 185, 11, .12); color: var(--gold-2); border: 1px solid rgba(240, 185, 11, .4);
  margin-bottom: 12px; letter-spacing: 1px;
}
.biz-event.profit .biz-tag { background: rgba(22, 199, 132, .12); color: var(--green); border-color: rgba(22, 199, 132, .4); }
.biz-event h3 { font-size: 19px; margin-bottom: 8px; }
.biz-date { color: var(--gold); font-size: 13px; font-weight: 600; }
.biz-event.profit .biz-date { color: var(--green); }
.biz-event p { color: var(--muted); font-size: 14px; margin-top: 10px; line-height: 1.8; }
.biz-timeline {
  margin-top: 16px; display: flex; flex-direction: column; gap: 10px;
}
.biz-tl {
  display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--muted);
}
.biz-tl .tl-ico { font-size: 18px; flex-shrink: 0; }
.biz-tl .tl-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--border-light); position: relative;
}
.biz-tl .tl-dot.hot { background: var(--gold); box-shadow: 0 0 8px rgba(240, 185, 11, .6); }
.biz-tl .tl-dot.money { background: var(--green); box-shadow: 0 0 8px rgba(22, 199, 132, .6); }
.biz-profit-line {
  margin-top: 18px; text-align: center; padding: 12px;
  border: 1px dashed rgba(22, 199, 132, .45); border-radius: 12px;
  background: rgba(22, 199, 132, .06); color: var(--green); font-size: 15px; font-weight: 700;
}

@media (max-width: 1024px) {
  .biz-events { grid-template-columns: 1fr; }
  .biz-node { min-width: 130px; }
}
@media (max-width: 560px) {
  .biz-flow { gap: 8px; }
  .biz-node { min-width: 100%; max-width: none; }
  .biz-arrow { transform: rotate(90deg); }
}

/* ---------- 页面 3D 翻转过渡 ---------- */
html.page-flip-out body {
  transform: rotateY(-88deg) scale(.94);
  opacity: 0;
  transition: transform .45s ease-in, opacity .45s ease-in;
  transform-origin: 15% 50%;
}
body.page-flip-in {
  animation: pageFlipIn .6s cubic-bezier(.22, .8, .36, 1) both;
  transform-origin: 85% 50%;
}
@keyframes pageFlipIn {
  from { transform: rotateY(80deg) scale(.94); opacity: 0; }
  to { transform: rotateY(0deg) scale(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html.page-flip-out body { transition: none; transform: none; opacity: 1; }
  body.page-flip-in { animation: none; }
}

/* 导航链接 3D 悬停效果 */
.nav-links a {
  position: relative;
  transform-style: preserve-3d;
  transition: transform .3s ease, color .25s, border-color .25s;
  will-change: transform;
}
.nav-links a:hover {
  transform: perspective(500px) translateY(-2px) rotateX(10deg);
}

/* ---------- 3D 翻转卡片 ---------- */
.flip-card { perspective: 1200px; cursor: pointer; }
.flip-inner {
  position: relative; width: 100%; height: 100%; min-height: 100%;
  transform-style: preserve-3d; transition: transform .7s cubic-bezier(.3, .8, .3, 1);
}
.flip-card.flipped .flip-inner { transform: rotateY(180deg); }
.flip-front, .flip-back {
  position: absolute; inset: 0; width: 100%; height: 100%;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; border-radius: var(--radius); padding: 24px 20px;
}
.flip-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, rgba(240, 185, 11, .12), rgba(47, 212, 199, .08));
  border: 1px solid rgba(240, 185, 11, .4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
.flip-back h4 { font-size: 16px; color: var(--gold-2); margin-bottom: 10px; }
.flip-back p { font-size: 13px; color: var(--muted); line-height: 1.8; }
.flip-back .flip-tip {
  margin-top: 12px; font-size: 11px; color: var(--cyan); letter-spacing: 1px;
}
.flip-hint {
  margin-top: 10px; font-size: 11.5px; color: var(--muted); opacity: .75;
  display: inline-flex; align-items: center; gap: 4px;
}

/* 智能体卡片 3D 化 */
.agent-node { perspective: 1200px; cursor: pointer; }
.agent-node .flip-inner { min-height: 210px; }
.agent-node .flip-front {
  background: var(--card); border: 1px solid var(--border);
  transition: border-color .4s, box-shadow .4s;
}
.agent-node:hover .flip-front { border-color: var(--gold); box-shadow: 0 0 20px rgba(240, 185, 11, .2); }
.agent-node .flip-back h4 { font-size: 15px; }

/* 服务流程卡片 3D 化 */
.step { perspective: 1200px; cursor: pointer; padding: 0; }
.step .flip-inner { min-height: 190px; }
.step .flip-front {
  background: var(--card); border: 1px solid var(--border);
  transition: border-color .4s, box-shadow .4s;
}
.step:hover .flip-front { border-color: var(--gold); box-shadow: 0 0 20px rgba(240, 185, 11, .2); }
.step .flip-front .step-num {
  width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center;
}
.step .flip-front h3 { font-size: 16px; margin-bottom: 8px; }
.step .flip-front p { font-size: 13px; color: var(--muted); }

@media (max-width: 860px) {
  .agent-node .flip-inner { min-height: 200px; }
  .step .flip-inner { min-height: 180px; }
}

/* ---------- 首页产品试用栏目 ---------- */
.trial-entry {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px;
}
.trial-entry-left h3 { font-size: 20px; margin-bottom: 16px; }
.trial-entry-right { display: flex; justify-content: center; }
.trial-preview {
  width: 100%; max-width: 420px; background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; text-align: center; position: relative;
}
.trial-preview-tag {
  position: absolute; top: 14px; right: 14px; font-size: 11px; padding: 3px 10px;
  border-radius: 999px; background: rgba(47, 212, 199, .12); color: var(--cyan);
  border: 1px solid rgba(47, 212, 199, .35);
}
.trial-preview h4 { font-size: 17px; margin-bottom: 6px; color: var(--gold-2); }
.trial-preview > p { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.trial-preview-nodes {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 18px;
}
.tp-node {
  padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  border: 1px solid; animation: tpFloat 3.5s ease-in-out infinite;
}
.tp-node.event { background: rgba(234, 57, 67, .15); color: #ff6b72; border-color: rgba(234, 57, 67, .45); }
.tp-node.center { background: rgba(248, 212, 72, .2); color: var(--gold-2); border-color: rgba(248, 212, 72, .55); animation-delay: .4s; }
.tp-node.stock { background: rgba(240, 185, 11, .12); color: var(--gold); border-color: rgba(240, 185, 11, .4); animation-delay: .8s; }
.tp-node.industry { background: rgba(47, 212, 199, .12); color: var(--cyan); border-color: rgba(47, 212, 199, .4); animation-delay: 1.2s; }
@keyframes tpFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.trial-preview-line {
  font-size: 12px; color: var(--muted); letter-spacing: 1px;
  border-top: 1px dashed var(--border-light); padding-top: 14px;
}

@media (max-width: 860px) {
  .trial-entry { grid-template-columns: 1fr; padding: 26px; }
}

/* ---------- 产品试用页 ---------- */
.trial-wrap {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 44px; position: relative; overflow: hidden;
}
.trial-wrap::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; left: -90px;
  background: linear-gradient(90deg, transparent, rgba(47, 212, 199, .1), transparent);
  animation: radarSweep 5s ease-in-out infinite;
  pointer-events: none;
}
.trial-wrap::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(240,185,11,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,185,11,.025) 1px, transparent 1px);
  background-size: 30px 30px;
}
.trial-wrap > * { position: relative; z-index: 1; }
.trial-info h2 { font-size: 24px; margin-bottom: 16px; }
.trial-info p { color: var(--muted); font-size: 15px; margin-bottom: 18px; line-height: 1.8; }
.trial-info b { color: var(--gold); }
.trial-points { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 22px; }
.trial-points li {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px 16px; font-size: 14px; color: var(--muted);
}
.trial-note {
  font-size: 12.5px; color: var(--muted); padding: 12px 16px;
  border: 1px dashed var(--border-light); border-radius: 10px; background: rgba(47, 212, 199, .05);
}
.trial-form h3 { font-size: 20px; margin-bottom: 20px; }
.trial-form label { display: block; margin-bottom: 16px; font-size: 13px; color: var(--muted); }
.trial-form input, .trial-form select {
  display: block; width: 100%; margin-top: 6px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 14.5px; padding: 12px 16px; font-family: inherit;
  transition: .25s;
}
.trial-form input:focus, .trial-form select:focus { outline: none; border-color: var(--gold); }

/* 知识图谱画布 */
.kg-canvas-wrap {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; overflow: hidden;
}
.kg-canvas { width: 100%; height: auto; display: block; }
.kg-tip { text-align: center; color: var(--muted); font-size: 13px; margin-top: 18px; }

@media (max-width: 860px) {
  .trial-wrap { grid-template-columns: 1fr; padding: 28px; }
}

/* ---------- 行业案例栏目 ---------- */
.industry-tabs {
  display: flex; justify-content: center; gap: 12px; margin-bottom: 32px; flex-wrap: wrap;
}
.industry-tab {
  padding: 10px 26px; border-radius: 999px; border: 1px solid var(--border-light);
  background: var(--card); color: var(--muted); font-size: 15px; font-weight: 600;
  cursor: pointer; transition: .3s;
}
.industry-tab:hover { border-color: var(--gold); color: var(--gold); }
.industry-tab.active {
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  border-color: transparent; box-shadow: 0 6px 18px rgba(240, 185, 11, .3);
}

.industry-panel { display: none; }
.industry-panel.active { display: block; animation: fadeUp .5s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* 涨跌双栏 */
.industry-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.industry-col {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: relative; overflow: hidden;
}
.industry-col.up::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--green), transparent); }
.industry-col.down::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--red), transparent); }
.industry-col h3 { font-size: 17px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.industry-col.up h3 { color: var(--green); }
.industry-col.down h3 { color: var(--red); }
.drive-item {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 10px;
}
.drive-item b { display: block; font-size: 13.5px; margin-bottom: 4px; color: var(--text); }
.drive-item p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.drive-item .case { color: var(--gold-2); }

/* 核心标的 */
.stock-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 24px; }
.stock-chip {
  padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: rgba(47, 212, 199, .1); color: var(--cyan); border: 1px solid rgba(47, 212, 199, .35);
}

/* 图谱摘要 */
.kg-summary {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 20px;
}
.kg-summary h4 { font-size: 14px; color: var(--gold-2); margin-bottom: 10px; letter-spacing: 1px; }
.kg-chain {
  font-size: 13px; color: var(--muted); line-height: 2; font-family: "SF Mono", Consolas, monospace;
}
.kg-chain .up { color: var(--green); font-weight: 600; }
.kg-chain .down { color: var(--red); font-weight: 600; }

/* 实时信息提示 */
.alert-banner {
  display: flex; align-items: center; gap: 12px;
  background: rgba(240, 185, 11, .08); border: 1px solid rgba(240, 185, 11, .35);
  border-radius: 12px; padding: 14px 18px; font-size: 13.5px; color: var(--muted);
}
.alert-banner .alert-ico { font-size: 22px; flex-shrink: 0; }
.alert-banner b { color: var(--gold-2); }

@media (max-width: 860px) {
  .industry-cols { grid-template-columns: 1fr; }
}

/* ---------- 产品页 AI 大脑动画 ---------- */
.ai-brain-wrap {
  position: relative; display: flex; justify-content: center; align-items: center;
  padding: 60px 0; overflow: hidden;
}
.ai-brain-wrap::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 60% at 50% 50%, rgba(240, 185, 11, .12), transparent 65%);
  animation: brainGlow 4s ease-in-out infinite;
}
@keyframes brainGlow {
  0%, 100% { opacity: .6; }
  50% { opacity: 1; }
}
.ai-brain {
  position: relative; width: 300px; height: 300px;
  display: flex; align-items: center; justify-content: center;
}
.ai-brain-core {
  width: 110px; height: 110px; border-radius: 50%; z-index: 3;
  background: radial-gradient(circle at 35% 30%, var(--gold-2), var(--gold) 55%, #d99a06);
  display: flex; align-items: center; justify-content: center;
  font-size: 42px; font-weight: 800; color: #0a0f1e;
  box-shadow: 0 0 50px rgba(240, 185, 11, .6), 0 0 110px rgba(240, 185, 11, .25);
  animation: corePulse 2.6s ease-in-out infinite;
}
@keyframes corePulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 50px rgba(240, 185, 11, .6), 0 0 110px rgba(240, 185, 11, .25); }
  50% { transform: scale(1.06); box-shadow: 0 0 70px rgba(240, 185, 11, .85), 0 0 150px rgba(240, 185, 11, .4); }
}
.ai-orbit { position: absolute; inset: 0; border-radius: 50%; border: 1px dashed rgba(240, 185, 11, .35); }
.ai-orbit.o1 { animation: orbitSpin 14s linear infinite; }
.ai-orbit.o2 { inset: 22px; border-color: rgba(47, 212, 199, .3); animation: orbitSpin 10s linear infinite reverse; }
.ai-orbit.o3 { inset: 44px; border-color: rgba(240, 185, 11, .25); animation: orbitSpin 7s linear infinite; }
@keyframes orbitSpin { to { transform: rotate(360deg); } }
.ai-sat {
  position: absolute; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
  background: var(--card); border: 1px solid var(--gold);
  box-shadow: 0 0 14px rgba(240, 185, 11, .5);
}
.ai-orbit.o1 .ai-sat { top: -17px; left: 50%; margin-left: -17px; }
.ai-orbit.o2 .ai-sat { top: 50%; left: -17px; margin-top: -17px; }
.ai-orbit.o3 .ai-sat { top: 50%; right: -17px; margin-top: -17px; }

/* 7×24 日夜循环 */
.daynight {
  position: relative; width: 100%; height: 130px; border-radius: 14px; overflow: hidden;
  background: linear-gradient(180deg, #0b1026 0%, #141c3a 45%, #f0b90b 100%);
  border: 1px solid var(--border);
}
.daynight::before {
  content: ""; position: absolute; top: 8px; left: 0; width: 26px; height: 26px; border-radius: 50%;
  background: radial-gradient(circle, #fff 30%, var(--gold) 65%, transparent 70%);
  box-shadow: 0 0 18px rgba(248, 212, 72, .9);
  animation: sunMoon 8s linear infinite;
}
@keyframes sunMoon {
  0% { left: 4%; top: 12px; }
  25% { left: 38%; top: 5px; }
  45% { left: 50%; top: 12px; background: radial-gradient(circle, #e8edf7 25%, #93a1bf 60%, transparent 70%); box-shadow: 0 0 14px rgba(147, 161, 191, .7); }
  70% { left: 75%; top: 22px; background: radial-gradient(circle, #e8edf7 25%, #93a1bf 60%, transparent 70%); box-shadow: 0 0 14px rgba(147, 161, 191, .7); }
  95% { left: 94%; top: 10px; }
  100% { left: 4%; top: 12px; }
}
.daynight .dn-label {
  position: absolute; bottom: 6px; left: 0; right: 0; text-align: center;
  font-size: 12px; color: rgba(232, 237, 247, .85); letter-spacing: 2px; text-shadow: 0 1px 4px rgba(0,0,0,.6);
}
.daynight .dn-scan {
  position: absolute; top: 0; bottom: 0; width: 60px;
  background: linear-gradient(90deg, transparent, rgba(47, 212, 199, .18), transparent);
  animation: radarSweep 3.2s ease-in-out infinite;
}
@keyframes radarSweep {
  0% { left: -60px; }
  100% { left: 100%; }
}

/* 速度光效 */
.speed-bar {
  position: relative; height: 34px; border-radius: 8px; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--border);
}
.speed-fill {
  position: absolute; top: 0; left: 0; bottom: 0; width: 20%;
  background: linear-gradient(90deg, rgba(240, 185, 11, .5), var(--gold));
  box-shadow: 0 0 12px rgba(240, 185, 11, .6);
  animation: speedFill 3s ease-in-out infinite;
}
@keyframes speedFill {
  0%, 100% { width: 18%; }
  50% { width: 92%; }
}
.speed-ticks { position: absolute; top: 0; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-between; padding: 0 6px; }
.speed-ticks span { width: 1px; background: rgba(255, 255, 255, .14); }

/* 科技指标卡 */
.tech-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tech-kpi {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; text-align: center; position: relative; overflow: hidden;
}
.tech-kpi::after {
  content: ""; position: absolute; top: -40%; left: -40%; width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(240, 185, 11, .12), transparent 70%);
  animation: kpiShine 5s ease-in-out infinite;
}
@keyframes kpiShine {
  0%, 100% { opacity: 0; transform: translate(0, 0); }
  50% { opacity: 1; transform: translate(60px, 60px); }
}
.tech-kpi b { display: block; font-size: 34px; color: var(--gold); position: relative; z-index: 1; }
.tech-kpi span { font-size: 13px; color: var(--muted); position: relative; z-index: 1; }

/* 技术优势动画卡 */
.adv-card { position: relative; overflow: hidden; }
.adv-card .adv-visual { height: 130px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; position: relative; }
.adv-card .adv-icon { font-size: 48px; filter: drop-shadow(0 0 14px rgba(240, 185, 11, .5)); animation: iconFloat 3s ease-in-out infinite; }
@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@media (max-width: 1024px) {
  .tech-kpis { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .tech-kpis { grid-template-columns: 1fr; }
  .ai-brain { transform: scale(.8); }
}

/* ---------- 技术页架构动画 ---------- */
/* 三层架构信号流 */
.arch-anim {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 26px; position: relative; overflow: hidden;
}
.arch-layer-anim {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  padding: 18px 10px; position: relative; flex-wrap: wrap;
}
.arch-layer-anim::after {
  content: ""; position: absolute; left: 8%; right: 8%; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(47, 212, 199, .4), transparent);
}
.arch-layer-anim:last-child::after { display: none; }
.arch-node-anim {
  padding: 12px 22px; border-radius: 10px; font-size: 13.5px; font-weight: 600;
  background: var(--bg-3); border: 1px solid var(--border); color: var(--muted);
  position: relative; transition: .3s;
  animation: archNode 6s linear infinite;
}
.arch-layer-anim:nth-child(1) .arch-node-anim { animation-delay: 0s; }
.arch-layer-anim:nth-child(2) .arch-node-anim { animation-delay: 1.2s; }
.arch-layer-anim:nth-child(3) .arch-node-anim { animation-delay: 2.4s; }
.arch-layer-anim:nth-child(4) .arch-node-anim { animation-delay: 3.6s; }
@keyframes archNode {
  0%, 100% { border-color: var(--border); color: var(--muted); box-shadow: none; transform: translateY(0); }
  20% { border-color: var(--gold); color: var(--gold-2); box-shadow: 0 0 16px rgba(240, 185, 11, .35); transform: translateY(-2px); }
  40% { border-color: var(--border); color: var(--muted); box-shadow: none; transform: translateY(0); }
}
.arch-flow-line {
  position: absolute; left: 0; right: 0; height: 2px; z-index: 2;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  background-size: 200% 100%;
  animation: archBeam 3.4s linear infinite;
}
@keyframes archBeam {
  0% { background-position: 200% 0; opacity: .4; }
  50% { opacity: 1; }
  100% { background-position: -200% 0; opacity: .4; }
}

/* 多模态汇聚动画 */
.mm-anim {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 20px; min-height: 240px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.mm-center {
  width: 92px; height: 92px; border-radius: 50%; z-index: 3;
  background: radial-gradient(circle at 35% 30%, var(--gold-2), var(--gold) 60%, #d99a06);
  display: flex; align-items: center; justify-content: center; font-size: 34px;
  box-shadow: 0 0 34px rgba(240, 185, 11, .5);
  animation: corePulse 2.6s ease-in-out infinite;
}
.mm-input {
  position: absolute; width: 52px; height: 52px; border-radius: 12px;
  background: var(--bg-3); border: 1px solid var(--cyan);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  animation: mmPulse 5s linear infinite;
}
.mm-input.i1 { top: 14%; left: 8%; animation-delay: 0s; }
.mm-input.i2 { top: 50%; left: 4%; animation-delay: 1.6s; }
.mm-input.i3 { bottom: 12%; left: 10%; animation-delay: 3.2s; }
@keyframes mmPulse {
  0%, 100% { border-color: var(--cyan); box-shadow: none; transform: scale(1); }
  25% { border-color: var(--gold); box-shadow: 0 0 14px rgba(240, 185, 11, .5); transform: scale(1.12); }
  50% { border-color: var(--cyan); box-shadow: none; transform: scale(1); }
}
.mm-beam {
  position: absolute; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  background-size: 200% 100%; animation: archBeam 2.2s linear infinite;
  transform-origin: left center;
}
.mm-beam.b1 { width: 120px; top: 24%; left: 18%; }
.mm-beam.b2 { width: 130px; top: 47%; left: 12%; animation-delay: .5s; }
.mm-beam.b3 { width: 115px; bottom: 22%; left: 19%; animation-delay: 1s; }
.mm-out {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 10px;
}
.mm-out span {
  padding: 8px 16px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: rgba(22, 199, 132, .12); color: var(--green); border: 1px solid rgba(22, 199, 132, .4);
  animation: mmOut 5s linear infinite;
}
.mm-out span:nth-child(2) { animation-delay: 1.6s; }
.mm-out span:nth-child(3) { animation-delay: 3.2s; }
@keyframes mmOut {
  0%, 100% { opacity: .35; transform: scale(.95); }
  25% { opacity: 1; transform: scale(1.05); }
  50% { opacity: .35; transform: scale(.95); }
}

/* 知识图谱网络动画 */
.kg-net {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 18px; min-height: 240px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.kg-net-center {
  width: 84px; height: 84px; border-radius: 50%; z-index: 3;
  background: radial-gradient(circle at 35% 30%, #f8d448, var(--gold) 65%);
  display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 800; color: #0a0f1e;
  box-shadow: 0 0 28px rgba(240, 185, 11, .5);
  animation: corePulse 3s ease-in-out infinite;
}
.kg-net-node {
  position: absolute; border-radius: 10px; padding: 7px 12px; font-size: 12px; font-weight: 600;
  background: var(--bg-3); border: 1px solid;
  animation: kgNode 6s linear infinite;
}
.kg-net-node.ev { color: #ff6b72; border-color: rgba(234, 57, 67, .5); top: 12%; left: 8%; }
.kg-net-node.st { color: var(--gold); border-color: rgba(240, 185, 11, .5); bottom: 14%; left: 10%; animation-delay: 1.5s; }
.kg-net-node.in { color: var(--cyan); border-color: rgba(47, 212, 199, .5); top: 16%; right: 8%; animation-delay: 3s; }
.kg-net-node.st2 { color: var(--gold); border-color: rgba(240, 185, 11, .5); bottom: 10%; right: 12%; animation-delay: 4.5s; }
@keyframes kgNode {
  0%, 100% { opacity: .5; transform: scale(1); }
  25% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 12px rgba(240, 185, 11, .3); }
  50% { opacity: .5; transform: scale(1); }
}
.kg-net-line {
  position: absolute; height: 1.5px; background: linear-gradient(90deg, rgba(240, 185, 11, .5), transparent);
  animation: kgLine 3.6s ease-in-out infinite;
}
@keyframes kgLine {
  0% { opacity: .2; }
  50% { opacity: 1; }
  100% { opacity: .2; }
}

/* 私有数据注入管道 */
.inject-anim {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 22px; min-height: 200px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.inject-pipe {
  position: relative; width: 100%; max-width: 420px; height: 56px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 28px;
  overflow: hidden;
}
.inject-pipe::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px;
  background: linear-gradient(90deg, transparent, rgba(47, 212, 199, .35), transparent);
  animation: injectFlow 2.4s linear infinite;
}
@keyframes injectFlow {
  0% { left: -90px; }
  100% { left: 100%; }
}
.inject-chip {
  position: absolute; top: 50%; transform: translateY(-50%);
  padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: rgba(240, 185, 11, .15); color: var(--gold-2); border: 1px solid rgba(240, 185, 11, .45);
  animation: chipFloat 4s ease-in-out infinite;
  white-space: nowrap;
}
.inject-chip.c1 { left: 4%; animation-delay: 0s; }
.inject-chip.c2 { left: 34%; animation-delay: .8s; }
.inject-chip.c3 { left: 64%; animation-delay: 1.6s; }
@keyframes chipFloat {
  0%, 100% { transform: translateY(-50%) scale(1); opacity: .8; }
  50% { transform: translateY(-65%) scale(1.06); opacity: 1; }
}
.inject-label {
  position: absolute; bottom: 12px; left: 0; right: 0; text-align: center;
  font-size: 12px; color: var(--muted); letter-spacing: 1px;
}

@media (max-width: 860px) {
  .mm-input.i2 { left: 2%; }
  .mm-beam.b2 { width: 100px; left: 8%; }
  .arch-node-anim { padding: 10px 14px; font-size: 12.5px; }
}

/* ---------- 产品卡科技动画 ---------- */
.prod-tech {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; margin-bottom: 26px; position: relative; overflow: hidden;
  transition: border-color .4s, box-shadow .4s;
}
.prod-tech:hover { border-color: rgba(240, 185, 11, .5); box-shadow: 0 10px 40px rgba(0, 0, 0, .4), 0 0 30px rgba(240, 185, 11, .08); }
.prod-tech::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  background-size: 200% 100%; animation: archBeam 4s linear infinite;
}
.prod-tech-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.prod-tech-head h2 { font-size: 22px; }
.prod-tech-visual {
  position: relative; height: 190px; border-radius: 14px; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--border); margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
}
.prod-tech-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.tech-badge {
  padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: rgba(240, 185, 11, .12); color: var(--gold-2); border: 1px solid rgba(240, 185, 11, .4);
  white-space: nowrap;
}
.tech-badge.green { background: rgba(22, 199, 132, .12); color: var(--green); border-color: rgba(22, 199, 132, .4); }
.tech-badge.cyan { background: rgba(47, 212, 199, .12); color: var(--cyan); border-color: rgba(47, 212, 199, .4); }
.tech-badge.red { background: rgba(234, 57, 67, .12); color: #ff6b72; border-color: rgba(234, 57, 67, .4); }

/* 雷达扫描 */
.radar {
  position: relative; width: 150px; height: 150px; border-radius: 50%;
  border: 1px solid rgba(47, 212, 199, .35);
}
.radar::before, .radar::after {
  content: ""; position: absolute; border-radius: 50%;
  border: 1px solid rgba(47, 212, 199, .25);
}
.radar::before { inset: 18px; }
.radar::after { inset: 38px; }
.radar-sweep {
  position: absolute; inset: 0; border-radius: 50%; overflow: hidden;
  background: conic-gradient(from 0deg, rgba(47, 212, 199, .45), transparent 70deg);
  animation: radarSpin 3s linear infinite;
}
@keyframes radarSpin { to { transform: rotate(360deg); } }
.radar-blip {
  position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 10px rgba(240, 185, 11, .9);
  animation: blip 2.4s ease-in-out infinite;
}
.radar-blip.b1 { top: 26%; left: 62%; }
.radar-blip.b2 { top: 66%; left: 30%; animation-delay: .8s; }
.radar-blip.b3 { top: 40%; left: 20%; animation-delay: 1.6s; }
@keyframes blip {
  0%, 100% { opacity: .2; transform: scale(.7); }
  50% { opacity: 1; transform: scale(1.3); }
}
.radar-label { position: absolute; bottom: 10px; left: 0; right: 0; text-align: center; font-size: 12px; color: var(--cyan); letter-spacing: 1px; }

/* 地球网络 */
.globe {
  position: relative; width: 150px; height: 150px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #16213e, #0a0f1e 70%);
  border: 1px solid rgba(47, 212, 199, .4);
  box-shadow: inset -20px -10px 40px rgba(0, 0, 0, .6), 0 0 30px rgba(47, 212, 199, .15);
  animation: globeFloat 4s ease-in-out infinite;
}
@keyframes globeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.globe::before, .globe::after {
  content: ""; position: absolute; border-radius: 50%;
  border: 1px solid rgba(47, 212, 199, .25);
}
.globe::before { inset: 12px; transform: rotateX(60deg); }
.globe::after { inset: -4px; transform: rotateY(60deg); }
.globe-node {
  position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 8px rgba(240, 185, 11, .9);
  animation: globeNode 3s ease-in-out infinite;
}
.globe-node.n1 { top: 22%; left: 55%; }
.globe-node.n2 { top: 60%; left: 30%; animation-delay: .7s; }
.globe-node.n3 { top: 40%; left: 70%; animation-delay: 1.4s; }
.globe-node.n4 { bottom: 18%; left: 58%; animation-delay: 2.1s; }
@keyframes globeNode {
  0%, 100% { opacity: .3; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1.4); }
}
.globe-link {
  position: absolute; height: 1.5px; background: linear-gradient(90deg, transparent, rgba(240, 185, 11, .6), transparent);
  animation: globeLink 2.6s ease-in-out infinite;
}
@keyframes globeLink {
  0% { opacity: .1; }
  50% { opacity: 1; }
  100% { opacity: .1; }
}

/* 毫秒计时器 */
.timer {
  position: relative; width: 190px; height: 150px;
  display: flex; align-items: center; justify-content: center;
}
.timer-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--gold); border-right-color: var(--gold);
  animation: timerSpin 1.2s linear infinite;
}
.timer-ring.r2 { inset: 14px; border-top-color: var(--cyan); border-right-color: var(--cyan); animation-duration: .8s; animation-direction: reverse; }
.timer-ring.r3 { inset: 28px; border-top-color: var(--green); border-right-color: var(--green); animation-duration: .5s; }
@keyframes timerSpin { to { transform: rotate(360deg); } }
.timer-num {
  position: relative; z-index: 2; text-align: center;
}
.timer-num b { display: block; font-size: 30px; color: var(--gold); font-variant-numeric: tabular-nums; }
.timer-num span { font-size: 11px; color: var(--muted); letter-spacing: 1px; }
.timer-flash {
  position: absolute; top: 8%; left: 12%; width: 10px; height: 10px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 12px rgba(240, 185, 11, .9);
  animation: timerFlash 1s ease-in-out infinite;
}
.timer-flash.f2 { left: 78%; animation-delay: .33s; }
.timer-flash.f3 { top: 80%; left: 45%; animation-delay: .66s; }
@keyframes timerFlash {
  0%, 100% { opacity: .2; transform: scale(.7); }
  50% { opacity: 1; transform: scale(1.4); }
}

/* 胜率仪表盘 */
.gauge {
  position: relative; width: 170px; height: 130px;
  display: flex; align-items: flex-end; justify-content: center;
}
.gauge-arc {
  position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
  width: 150px; height: 75px;
  border-radius: 150px 150px 0 0;
  background: conic-gradient(from 180deg at 50% 100%, var(--green) 0 68%, rgba(47, 212, 199, .15) 68% 100%);
  clip-path: polygon(0 100%, 0 40%, 50% 0, 100% 40%, 100% 100%);
  opacity: .9;
}
.gauge-arc::before {
  content: ""; position: absolute; inset: 8px;
  border-radius: 150px 150px 0 0;
  background: var(--bg-3);
  clip-path: polygon(0 100%, 0 40%, 50% 0, 100% 40%, 100% 100%);
}
.gauge-needle {
  position: absolute; bottom: 78px; left: 50%;
  width: 3px; height: 58px; border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), transparent);
  transform-origin: 50% 100%;
  animation: needleSwing 3.5s ease-in-out infinite;
}
@keyframes needleSwing {
  0%, 100% { transform: translateX(-50%) rotate(-34deg); }
  50% { transform: translateX(-50%) rotate(34deg); }
}
.gauge-num { position: relative; z-index: 2; text-align: center; margin-bottom: 6px; }
.gauge-num b { display: block; font-size: 30px; color: var(--green); }
.gauge-num span { font-size: 11px; color: var(--muted); letter-spacing: 1px; }

@media (max-width: 560px) {
  .prod-tech-visual { height: 170px; }
}

/* ---------- 行业研究动画 ---------- */
.industry-research {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; margin-bottom: 26px;
}
.ir-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.ir-head .ir-ico {
  width: 52px; height: 52px; border-radius: 14px; font-size: 26px;
  background: rgba(240, 185, 11, .12); border: 1px solid rgba(240, 185, 11, .35);
  display: flex; align-items: center; justify-content: center;
  animation: iconFloat 3s ease-in-out infinite;
}
.ir-head h3 { font-size: 20px; }
.ir-head .ir-meta { font-size: 12px; color: var(--muted); }
.ir-flow {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 16px 0; padding: 14px 16px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 12px;
}
.ir-flow .ir-node {
  padding: 7px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: rgba(240, 185, 11, .1); color: var(--gold-2); border: 1px solid rgba(240, 185, 11, .35);
  animation: irPulse 4s linear infinite;
}
.ir-flow .ir-node:nth-child(2) { animation-delay: .8s; }
.ir-flow .ir-node:nth-child(3) { animation-delay: 1.6s; }
.ir-flow .ir-node:nth-child(4) { animation-delay: 2.4s; }
.ir-flow .ir-node:nth-child(5) { animation-delay: 3.2s; }
@keyframes irPulse {
  0%, 100% { transform: scale(1); opacity: .7; }
  25% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 14px rgba(240, 185, 11, .4); }
  50% { transform: scale(1); opacity: .7; }
}
.ir-flow .ir-arr { color: var(--gold); font-weight: 700; }
.ir-drivers { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ir-driver {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; position: relative; overflow: hidden;
}
.ir-driver.up::before { content: "↑"; position: absolute; right: 10px; top: 8px; color: var(--green); font-weight: 800; }
.ir-driver.down::before { content: "↓"; position: absolute; right: 10px; top: 8px; color: var(--red); font-weight: 800; }
.ir-driver b { font-size: 13px; display: block; margin-bottom: 4px; }
.ir-driver.up b { color: var(--green); }
.ir-driver.down b { color: var(--red); }
.ir-driver p { font-size: 12px; color: var(--muted); line-height: 1.6; }
.ir-driver .ir-case { color: var(--gold-2); }
@media (max-width: 860px) { .ir-drivers { grid-template-columns: 1fr; } }

/* ---------- 关于页 AI 质感 ---------- */
.about-intro {
  position: relative; padding: 30px 34px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.about-intro::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 80px; left: -80px;
  background: linear-gradient(90deg, transparent, rgba(47, 212, 199, .12), transparent);
  animation: radarSweep 4s ease-in-out infinite;
}
.about-intro::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(240,185,11,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,185,11,.03) 1px, transparent 1px);
  background-size: 34px 34px;
}
.about-intro h2, .about-intro p { position: relative; z-index: 1; }

.team-vision p {
  animation: visionFade 1.2s ease both;
}
.team-vision p:nth-child(2) { animation-delay: .25s; }
.team-vision p:nth-child(3) { animation-delay: .5s; }
.team-vision p:nth-child(4) { animation-delay: .75s; }
@keyframes visionFade {
  from { opacity: 0; transform: translateX(-18px); }
  to { opacity: 1; transform: translateX(0); }
}

.member { position: relative; overflow: hidden; }
.member::after {
  content: ""; position: absolute; top: -50%; left: -50%; width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(240, 185, 11, .14), transparent 70%);
  animation: kpiShine 6s ease-in-out infinite;
  pointer-events: none;
}
.member-avatar {
  position: relative; animation: avatarGlow 3s ease-in-out infinite;
}
@keyframes avatarGlow {
  0%, 100% { box-shadow: 0 6px 18px rgba(240, 185, 11, .3); }
  50% { box-shadow: 0 6px 26px rgba(240, 185, 11, .6); }
}

/* 大事记时间线动态光点 */
.tl-dot::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid rgba(240, 185, 11, .5);
  animation: tlRing 2.4s ease-out infinite;
}
@keyframes tlRing {
  0% { transform: scale(.6); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* 全屏超级大脑粒子背景 */
.bg-particles {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; opacity: .6;
}
/* 背景 AI 质感遮罩：中心微光 + 网格淡入 + 四周渐隐 */
.bg-glow {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 50% 38%, rgba(240, 185, 11, .07), transparent 60%),
    radial-gradient(ellipse 40% 35% at 78% 20%, rgba(47, 212, 199, .05), transparent 60%),
    linear-gradient(180deg, rgba(10, 15, 30, .35), transparent 30%, transparent 70%, rgba(10, 15, 30, .45));
}
body { position: relative; }
body > *:not(.bg-particles):not(.bg-glow) { position: relative; z-index: 1; }

/* ---------- 粒子群万物互联特效 ---------- */
.particle-stage {
  position: relative; overflow: hidden;
}
.particle-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.hero .particle-canvas, .page-hero .particle-canvas { z-index: 1; }
.hero .hero-bg { z-index: 0; }
.page-hero.particle-stage { padding: 70px 0; }
.page-hero.particle-stage .container { position: relative; z-index: 2; }
.section.particle-stage .container { position: relative; z-index: 2; }
.particle-stage .sec-head, .particle-stage .agent-grid, .particle-stage .agent-loop { position: relative; z-index: 2; }

/* 技术描述卡增强 */
.feat-card-glow { position: relative; overflow: hidden; }
.feat-card-glow::before {
  content: ""; position: absolute; top: -60%; left: -60%; width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(47, 212, 199, .14), transparent 70%);
  animation: kpiShine 5s ease-in-out infinite;
  pointer-events: none;
}
.feat-card-glow:hover { border-color: rgba(47, 212, 199, .5); box-shadow: 0 10px 30px rgba(0,0,0,.35), 0 0 24px rgba(47,212,199,.12); }

/* 知识图谱案例卡增强 */
.kg-card { position: relative; overflow: hidden; }
.kg-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  background-size: 200% 100%; animation: archBeam 4s linear infinite;
  pointer-events: none;
}
.kg-card:hover { border-color: rgba(240, 185, 11, .5); transform: translateY(-4px); }

/* ---------- 核心因果链条动画 ---------- */
.kg-chains { margin-top: 10px; }
.kg-chains .chain-intro { color: var(--muted); font-size: 13.5px; margin-bottom: 18px; line-height: 1.8; }
.chain-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chain-tab {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--border-light);
  background: var(--bg-3); color: var(--muted); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: .3s;
}
.chain-tab:hover { border-color: var(--gold); color: var(--gold); }
.chain-tab.active {
  background: linear-gradient(135deg, var(--gold), #d99a06); color: #0a0f1e;
  border-color: transparent; box-shadow: 0 4px 14px rgba(240, 185, 11, .3);
}
.chain-panel { display: none; }
.chain-panel.active { display: block; animation: fadeUp .5s ease; }
.chain-block {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 14px;
}
.chain-row {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  margin-bottom: 8px;
}
.chain-node {
  padding: 7px 13px; border-radius: 8px; font-size: 12.5px; font-weight: 600;
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
  animation: chainNode 5s linear infinite;
}
.chain-block .chain-row:nth-child(1) .chain-node:nth-child(1) { animation-delay: 0s; }
.chain-block .chain-row:nth-child(1) .chain-node:nth-child(3) { animation-delay: .9s; }
.chain-block .chain-row:nth-child(1) .chain-node:nth-child(5) { animation-delay: 1.8s; }
.chain-block .chain-row:nth-child(1) .chain-node:nth-child(7) { animation-delay: 2.7s; }
.chain-block .chain-row:nth-child(1) .chain-node:nth-child(9) { animation-delay: 3.6s; }
@keyframes chainNode {
  0%, 100% { border-color: var(--border); color: var(--muted); transform: translateY(0); box-shadow: none; }
  18% { border-color: var(--gold); color: var(--gold-2); transform: translateY(-3px); box-shadow: 0 0 14px rgba(240, 185, 11, .4); }
  36% { border-color: var(--border); color: var(--muted); transform: translateY(0); box-shadow: none; }
}
.chain-arr {
  color: var(--gold); font-weight: 700; font-size: 15px; font-style: normal;
  animation: chainArr 5s linear infinite;
}
.chain-block .chain-row:nth-child(1) .chain-arr:nth-of-type(1) { animation-delay: .45s; }
.chain-block .chain-row:nth-child(1) .chain-arr:nth-of-type(2) { animation-delay: 1.35s; }
.chain-block .chain-row:nth-child(1) .chain-arr:nth-of-type(3) { animation-delay: 2.25s; }
.chain-block .chain-row:nth-child(1) .chain-arr:nth-of-type(4) { animation-delay: 3.15s; }
@keyframes chainArr {
  0%, 100% { opacity: .3; transform: translateX(0); }
  20% { opacity: 1; transform: translateX(4px); }
  40% { opacity: .3; transform: translateX(0); }
}
.chain-note {
  font-size: 12.5px; color: var(--muted); padding: 8px 12px;
  background: rgba(240, 185, 11, .06); border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0; line-height: 1.7;
}
.chain-note b { color: var(--gold-2); }

/* ---------- 强化学习循环图形动画 ---------- */
.rl-cycle {
  position: relative; max-width: 820px; margin: 0 auto 36px;
  padding: 30px 20px 10px;
}
.rl-ring {
  position: relative; display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 0;
}
.rl-cycle-node {
  width: 150px; padding: 18px 10px; border-radius: 16px; text-align: center;
  background: var(--card); border: 1px solid var(--border);
  position: relative; z-index: 2; transition: .4s;
  animation: rlNodeGlow 6s linear infinite;
}
.rl-cycle-node:nth-child(1) { animation-delay: 0s; }
.rl-cycle-node:nth-child(3) { animation-delay: 1.5s; }
.rl-cycle-node:nth-child(5) { animation-delay: 3s; }
.rl-cycle-node:nth-child(7) { animation-delay: 4.5s; }
@keyframes rlNodeGlow {
  0%, 100% { border-color: var(--border); box-shadow: none; transform: translateY(0); }
  18% { border-color: var(--gold); box-shadow: 0 0 22px rgba(240, 185, 11, .4); transform: translateY(-4px); }
  36% { border-color: var(--border); box-shadow: none; transform: translateY(0); }
}
.rl-cycle-node .rl-ico {
  display: block; font-size: 28px; margin-bottom: 8px;
  animation: iconFloat 3s ease-in-out infinite;
}
.rl-cycle-node b { display: block; font-size: 14px; margin-bottom: 4px; color: var(--text); }
.rl-cycle-node span { font-size: 12px; color: var(--muted); }
.rl-cycle-arrow {
  width: 46px; display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 20px; font-weight: 800; z-index: 2;
  animation: rlArrow 6s linear infinite;
}
.rl-cycle-arrow:nth-of-type(2) { animation-delay: 1.5s; }
.rl-cycle-arrow:nth-of-type(4) { animation-delay: 3s; }
.rl-cycle-arrow:nth-of-type(6) { animation-delay: 4.5s; }
@keyframes rlArrow {
  0%, 100% { opacity: .25; transform: scale(1); }
  20% { opacity: 1; transform: scale(1.35); }
  40% { opacity: .25; transform: scale(1); }
}
/* 环形反馈弧线 */
.rl-feedback {
  margin-top: 18px; text-align: center;
  padding: 12px 18px; border-radius: 999px;
  background: rgba(47, 212, 199, .08); border: 1px dashed rgba(47, 212, 199, .45);
  color: var(--cyan); font-size: 13px; letter-spacing: 1px;
  animation: rlFeedback 3s ease-in-out infinite;
}
@keyframes rlFeedback {
  0%, 100% { opacity: .6; }
  50% { opacity: 1; box-shadow: 0 0 16px rgba(47, 212, 199, .25); }
}

/* 强化学习三卡图形化 */
.rl-card-graph { position: relative; overflow: hidden; }
.rl-card-graph::before {
  content: ""; position: absolute; top: -50%; left: -50%; width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(240, 185, 11, .16), transparent 70%);
  animation: kpiShine 5s ease-in-out infinite;
  pointer-events: none;
}
.rl-card-graph:hover { border-color: rgba(240, 185, 11, .5); box-shadow: 0 10px 30px rgba(0,0,0,.35), 0 0 24px rgba(240,185,11,.1); }
.rl-mini-chart {
  height: 46px; margin: 12px 0 6px; display: flex; align-items: flex-end; gap: 4px;
}
.rl-mini-chart i {
  flex: 1; border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--gold), rgba(240,185,11,.25));
  animation: rlBars 2.4s ease-in-out infinite;
}
.rl-mini-chart i:nth-child(1) { height: 35%; animation-delay: 0s; }
.rl-mini-chart i:nth-child(2) { height: 55%; animation-delay: .3s; }
.rl-mini-chart i:nth-child(3) { height: 45%; animation-delay: .6s; }
.rl-mini-chart i:nth-child(4) { height: 75%; animation-delay: .9s; }
.rl-mini-chart i:nth-child(5) { height: 65%; animation-delay: 1.2s; }
.rl-mini-chart i:nth-child(6) { height: 90%; animation-delay: 1.5s; }
.rl-mini-chart i:nth-child(7) { height: 80%; animation-delay: 1.8s; }
@keyframes rlBars {
  0%, 100% { transform: scaleY(1); opacity: .7; }
  50% { transform: scaleY(1.25); opacity: 1; }
}
.rl-loss {
  height: 40px; margin: 10px 0 4px; position: relative;
  border-bottom: 1px solid var(--border);
}
.rl-loss::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(234,57,67,.4), transparent);
  clip-path: polygon(0 70%, 15% 55%, 30% 62%, 45% 40%, 60% 48%, 75% 25%, 90% 32%, 100% 18%, 100% 100%, 0 100%);
  animation: rlLoss 3.5s ease-in-out infinite;
}
@keyframes rlLoss {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}
.rl-loss::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--red), transparent);
  animation: rlLossLine 3.5s ease-in-out infinite;
}
@keyframes rlLossLine {
  0%, 100% { opacity: .4; }
  50% { opacity: 1; }
}

@media (max-width: 860px) {
  .rl-cycle-node { width: 42%; }
  .rl-cycle-arrow { width: 8%; }
}

/* ---------- 登录 / 支付弹窗 ---------- */
.auth-modal {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(5, 8, 18, .75);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  visibility: hidden; opacity: 0; transition: .3s;
}
.auth-modal.open { visibility: visible; opacity: 1; }
.auth-box {
  width: 92%; max-width: 360px; position: relative;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; padding: 32px 26px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  transform: translateY(20px) scale(.96); transition: .3s;
}
.auth-modal.open .auth-box { transform: translateY(0) scale(1); }
.auth-close {
  position: absolute; top: 12px; right: 14px;
  background: none; border: none; color: var(--muted);
  font-size: 24px; cursor: pointer;
}
.auth-title { font-size: 19px; font-weight: 700; text-align: center; margin-bottom: 22px; }
.auth-box input {
  width: 100%; padding: 12px 14px; margin-bottom: 12px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 15px;
}
.auth-box input:focus { outline: none; border-color: var(--gold); }
.auth-code-row { display: flex; gap: 8px; }
.auth-code-row input { flex: 1; }
.auth-send {
  white-space: nowrap; padding: 0 14px; border-radius: 10px;
  background: rgba(240, 185, 11, .12); color: var(--gold-2);
  border: 1px solid rgba(240, 185, 11, .4); font-size: 13px; cursor: pointer;
}
.auth-send:disabled { opacity: .5; }
.auth-btn {
  width: 100%; margin-top: 8px; padding: 13px;
  border-radius: 10px; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--gold), #d99a06);
  color: #0a0f1e; font-size: 15px; font-weight: 700;
}
.auth-btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.auth-tip { text-align: center; font-size: 12.5px; margin-top: 12px; min-height: 18px; }

/* 导航登录按钮 */
.nav-auth {
  font-size: 13px; font-weight: 600; color: var(--gold-2);
  border: 1px solid rgba(240, 185, 11, .45); border-radius: 8px;
  padding: 4px 12px; background: rgba(240, 185, 11, .08);
  cursor: pointer; transition: .25s;
}
.nav-auth:hover { background: rgba(240, 185, 11, .2); }

/* 支付弹窗 */
.pay-box { max-width: 380px; }
.pay-plan {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; margin-bottom: 14px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px;
}
.pay-plan span { font-size: 14px; color: var(--muted); }
.pay-plan b { font-size: 20px; color: var(--gold); }
.pay-methods { display: flex; gap: 10px; margin-bottom: 16px; }
.pay-method {
  flex: 1; padding: 10px; border-radius: 10px; cursor: pointer;
  background: var(--bg-3); border: 1px solid var(--border);
  color: var(--muted); font-size: 14px; font-weight: 600;
}
.pay-method.active { border-color: var(--gold); color: var(--gold-2); background: rgba(240, 185, 11, .1); }
.pay-qr {
  position: relative; width: 180px; height: 180px; margin: 0 auto 12px;
  padding: 10px; background: #fff; border-radius: 12px;
}
.qr-grid {
  display: grid; grid-template-columns: repeat(10, 1fr); gap: 2px;
  width: 100%; height: 100%;
}
.qr-cell { background: #fff; border-radius: 1px; }
.qr-cell.on { background: #0a0f1e; }
.qr-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 34px; height: 34px; border-radius: 8px; color: #fff;
  font-size: 17px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.pay-scan { text-align: center; font-size: 13px; color: var(--muted); }
.pay-mock { text-align: center; font-size: 11px; color: var(--muted); opacity: .7; margin-top: 2px; }
.pay-actions { display: flex; gap: 10px; margin-top: 12px; }
.pay-actions .auth-btn { margin-top: 0; }

/* 支付入口按钮 */
.pay-cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.pay-cta {
  flex: 1; min-width: 140px; padding: 11px 16px; border-radius: 10px;
  background: rgba(47, 212, 199, .1); color: var(--cyan);
  border: 1px solid rgba(47, 212, 199, .4);
  font-size: 13.5px; font-weight: 600; cursor: pointer; transition: .25s;
}
.pay-cta:hover { background: rgba(47, 212, 199, .2); }

/* ---------- 行业知识图谱栏目 ---------- */
.kg-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kg-gallery-card {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 16px; text-align: center; display: block;
  transition: .3s;
}
.kg-gallery-card:hover {
  border-color: var(--gold); box-shadow: 0 8px 28px rgba(0,0,0,.4), 0 0 22px rgba(240,185,11,.15);
  transform: translateY(-4px);
}
.kg-gallery-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  background-size: 200% 100%; animation: archBeam 4s linear infinite;
  opacity: 0; transition: .3s;
}
.kg-gallery-card:hover::before { opacity: 1; }
.kg-gallery-card .kg-ico {
  display: block; font-size: 30px; margin-bottom: 10px;
  animation: iconFloat 3s ease-in-out infinite;
}
.kg-gallery-card:nth-child(2n) .kg-ico { animation-delay: .4s; }
.kg-gallery-card:nth-child(3n) .kg-ico { animation-delay: .8s; }
.kg-gallery-card h3 { font-size: 14.5px; margin-bottom: 6px; color: var(--text); }
.kg-gallery-card p { font-size: 12px; color: var(--muted); line-height: 1.6; }
.kg-gallery-card .kg-go {
  display: inline-block; margin-top: 10px; font-size: 12px; color: var(--gold-2);
  opacity: .7; transition: .3s;
}
.kg-gallery-card:hover .kg-go { opacity: 1; }
.kg-gallery-more {
  grid-column: 1 / -1; text-align: center; margin-top: 8px;
}

@media (max-width: 1024px) { .kg-gallery { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .kg-gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .kg-gallery { grid-template-columns: 1fr; } }

/* 知识图谱弹窗 */
.graph-modal {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(5, 8, 18, .85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  visibility: hidden; opacity: 0; transition: .3s;
  padding: 20px;
}
.graph-modal.open { visibility: visible; opacity: 1; }
.graph-modal-box {
  width: 100%; max-width: 1100px; height: 88vh;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .6);
  transform: scale(.95); transition: .3s;
}
.graph-modal.open .graph-modal-box { transform: scale(1); }
.graph-modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  background: var(--card);
}
.graph-modal-head span { font-size: 15px; font-weight: 700; color: var(--gold-2); }
.graph-modal-close {
  background: none; border: none; color: var(--muted);
  font-size: 26px; cursor: pointer; line-height: 1;
}
.graph-modal-close:hover { color: var(--gold); }
.graph-modal-box iframe {
  flex: 1; width: 100%; border: none; background: #0a0f1e;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .fund-grid { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-links, .nav-tel { display: none; }
  .nav-burger { display: block; }
  .hero { padding: 70px 0 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .band-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-2, .roadmap { grid-template-columns: 1fr; }
  .case-box { grid-template-columns: 1fr; padding: 26px; }
  .case-metrics { grid-template-columns: repeat(2, 1fr); }
  .prod-features { grid-template-columns: 1fr; }
  .profit-box { grid-template-columns: repeat(2, 1fr); }
  .pipe { flex-direction: column; }
  .pipe-arrow { transform: rotate(90deg); align-self: center; }
  .org-three { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; padding: 28px; }
  .section { padding: 64px 0; }
}

@media (max-width: 560px) {
  .grid-4, .team-grid, .fund-grid, .values, .news-grid { grid-template-columns: 1fr; }
  .hero-stats .stat b { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar-right { display: none; }
}