/* ============================================================
   量化方程 QuantEquation · 官网样式
   主色渐变：#3037E4 → #F0208D
   布局参考：ambergroup.io ｜ 内容参考：laniakea-hedgefund.com
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --bg: #06070f;
  --bg-alt: #0a0b18;
  --bg-card: rgba(255, 255, 255, 0.028);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --g1: #3037e4;
  --g2: #f0208d;
  --grad: linear-gradient(135deg, #3037e4 0%, #f0208d 100%);
  --grad-soft: linear-gradient(135deg, rgba(48, 55, 228, 0.14), rgba(240, 32, 141, 0.14));

  --text: #f4f5fb;
  --text-dim: #a3a8bf;
  --text-faint: #6d7288;

  --font-display: "Space Grotesk", "Barlow", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Barlow", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --radius: 14px;
  --radius-sm: 10px;
  --nav-h: 68px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 76px); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }
button { font-family: inherit; background: none; border: none; cursor: pointer; color: inherit; }
em { font-style: normal; }
sup { font-size: 0.62em; color: var(--text-faint); }

::selection { background: rgba(240, 32, 141, 0.35); color: #fff; }

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #3037e4, #f0208d); border-radius: 99px; }

.container { width: min(1200px, 92vw); margin: 0 auto; }

/* ---------- 通用组件 ---------- */

/* 渐变文字 */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* 眉题 */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 18px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  justify-content: center;
  padding: 0 26px;
  height: 46px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; }
.btn-grad {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 22px rgba(240, 32, 141, 0.28);
}
.btn-grad:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(240, 32, 141, 0.42);
}
.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover {
  border-color: var(--g2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(48, 55, 228, 0.18);
}
.btn-lg { height: 52px; padding: 0 32px; font-size: 16px; border-radius: 12px; }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }

/* 文字链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 22px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.25s;
}
.text-link:hover { color: #fff; }
.text-link svg { transition: transform 0.25s var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* 区块 */
.section { padding: 110px 0; position: relative; }
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.sec-head { max-width: 760px; margin-bottom: 64px; }
.sec-head h2 {
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
}
.sec-sub { margin-top: 16px; color: var(--text-dim); font-size: 16.5px; }
.br-desk { display: none; }

/* ---------- 子页面页眉 ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 78px) 0 64px;
  overflow: hidden;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.page-hero .container { position: relative; }
.page-hero h1 {
  font-size: clamp(32px, 4.8vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-sub { max-width: 720px; margin: 18px auto 0; color: var(--text-dim); font-size: 16.5px; line-height: 1.9; }

/* ---------- 流动线条动效 ---------- */
.flow-lines {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 340px;
  pointer-events: none;
  opacity: 0.6;
}
.flow-lines svg { width: 100%; height: 100%; }
.flow-path {
  fill: none;
  stroke-width: 1.4;
  stroke-dasharray: 9 16;
}
.flow-path.f1 { stroke: url(#g-icon); animation: flowDash 3.2s linear infinite; }
.flow-path.f2 { stroke: url(#g-icon-soft); animation: flowDash 4.6s linear infinite reverse; }
.flow-path.f3 { stroke: url(#g-icon); opacity: 0.5; animation: flowDash 6s linear infinite; }
@keyframes flowDash { to { stroke-dashoffset: -250; } }
@media (prefers-reduced-motion: reduce) {
  .flow-path, .flow-lines circle { animation: none; }
}

/* ---------- 资产管理引导语 ---------- */
.asset-lead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 28px 32px;
  margin-bottom: 36px;
  background: var(--grad-soft);
  border: 1px solid rgba(240, 32, 141, 0.18);
  border-radius: var(--radius);
}
.asset-lead p {
  flex: 1;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.asset-lead .btn { flex-shrink: 0; }
@media (max-width: 860px) {
  .asset-lead { flex-direction: column; align-items: stretch; text-align: center; }
}

/* ---------- 咨询引导卡片 ---------- */
.asset-cta {
  background: var(--grad-soft);
  border: 1px solid rgba(240, 32, 141, 0.3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.asset-cta:hover { border-color: rgba(240, 32, 141, 0.6); }
.asset-cta h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; }
.asset-cta p { font-size: 14px; color: var(--text-dim); margin-bottom: 18px; flex: 1; }

/* 页面页眉数据行 */
.page-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 720px;
  margin: 44px auto 0;
}
.pstat { text-align: center; padding: 0 24px; }
.pstat + .pstat { border-left: 1px solid var(--border); }
.pstat-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.pstat-label { margin-top: 8px; font-size: 13.5px; color: var(--text-dim); }
@media (max-width: 560px) {
  .pstat { padding: 0 10px; }
}

/* ---------- 页内子导航 ---------- */
.subnav {
  position: sticky;
  top: var(--nav-h);
  z-index: 80;
  background: rgba(6, 7, 15, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.subnav-inner {
  display: flex;
  gap: 10px;
  padding: 13px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.subnav-inner::-webkit-scrollbar { display: none; }
.subnav-inner a {
  flex-shrink: 0;
  padding: 8px 20px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  border: 1px solid transparent;
  transition: color 0.22s, background-color 0.22s, border-color 0.22s;
}
.subnav-inner a:hover { color: #fff; }
.subnav-inner a.active {
  color: #fff;
  background: var(--grad-soft);
  border-color: rgba(240, 32, 141, 0.35);
}

/* ---------- 团队 ---------- */
.team-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.team-main p { font-size: 16.5px; color: var(--text-dim); margin-bottom: 18px; line-height: 1.95; }
.team-main b { color: var(--text); font-weight: 600; }
.team-side { display: grid; gap: 14px; }

/* ---------- 客户 / 可持续发展卡片 ---------- */
.client-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.client-card {
  padding: 30px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), border-color 0.3s, background-color 0.3s;
}
.client-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(48, 55, 228, 0.45);
}
.client-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
}
.client-card h3 { font-size: 17.5px; font-weight: 700; margin: 18px 0 10px; }
.client-card p { font-size: 14px; color: var(--text-dim); }
.client-note { margin-top: 26px; font-size: 12.5px; color: var(--text-faint); text-align: center; }

/* 四类客户 */
.client-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1080px) {
  .client-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* 客户细分方案行 */
.client-rows {
  display: grid;
  gap: 18px;
  margin-top: 44px;
}
.client-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: center;
  padding: 30px 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.client-row:hover { border-color: rgba(48, 55, 228, 0.4); transform: translateY(-3px); }
/* 交替排版：偶数行左右互换 */
.client-row.rev .cr-head { order: 2; }
.client-row.rev .cr-feats { order: 1; }
.cr-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.cr-head h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.cr-head p { font-size: 14.5px; color: var(--text-dim); margin-bottom: 14px; }
.cr-feats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.cr-feats li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform 0.25s var(--ease), border-color 0.25s, background-color 0.25s;
}
.cr-feats li:hover {
  transform: translateY(-3px);
  border-color: rgba(240, 32, 141, 0.4);
  background: var(--bg-card-hover);
}
.cr-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
}
.cr-feats b { font-size: 14px; font-weight: 600; color: var(--text-dim); }
.cr-feats li:hover b { color: var(--text); }
@media (max-width: 1080px) {
  .client-row { grid-template-columns: 1fr; gap: 22px; }
  .client-row.rev .cr-head { order: 1; }
  .client-row.rev .cr-feats { order: 2; }
}
@media (max-width: 560px) {
  .cr-feats { grid-template-columns: 1fr; }
}

/* ---------- 合规与牌照 ---------- */
.lic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
.lic-card {
  position: relative;
  padding: 30px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.lic-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s;
}
.lic-card:hover { transform: translateY(-5px); border-color: rgba(240, 32, 141, 0.4); }
.lic-card:hover::before { opacity: 1; }
.lic-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(255, 255, 255, 0.28);
  margin-bottom: 16px;
}
.lic-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.lic-card p { font-size: 14px; color: var(--text-dim); }
.compliance-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ---------- 3 列通用卡片网格（资产管理 / 安全保障） ---------- */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ---------- Alpha 页风控引导 ---------- */
.alpha-risk-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 26px 32px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 40px;
}
.alpha-risk-cta p { color: var(--text-dim); font-size: 15px; flex: 1; min-width: 240px; }

/* ---------- 首页 · 产品矩阵（特效卡片） ---------- */
.products {
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.products .container { position: relative; }
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* 旋转渐变光环（渐进增强：@property 不支持时仅显示静态边框） */
@property --ang {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.prod-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 30px 26px 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.014));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transform-style: preserve-3d;
  transition: transform 0.28s var(--ease), border-color 0.3s, box-shadow 0.3s;
  will-change: transform;
}
.prod-card:hover {
  border-color: rgba(240, 32, 141, 0.42);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.5);
}

/* 鼠标跟随聚光 */
.prod-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(
    340px circle at var(--mx, 50%) var(--my, 50%),
    rgba(240, 32, 141, 0.16),
    rgba(48, 55, 228, 0.1) 45%,
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.3s;
}
.prod-card:hover::before { opacity: 1; }

/* 环绕光弧边框 */
.prod-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  padding: 1px;
  background: conic-gradient(from var(--ang), transparent 0%, #3037e4 10%, #f0208d 22%, transparent 38%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: ringSpin 4s linear infinite;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.prod-card:hover::after { opacity: 1; }
@keyframes ringSpin { to { --ang: 360deg; } }

.prod-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.prod-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
  margin-bottom: 18px;
  animation: iconFloat 5s ease-in-out infinite;
}
.prod-grid .prod-card:nth-child(2) .prod-icon { animation-delay: 0.8s; }
.prod-grid .prod-card:nth-child(3) .prod-icon { animation-delay: 1.6s; }
.prod-grid .prod-card:nth-child(4) .prod-icon { animation-delay: 2.4s; }
@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
.prod-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.prod-card > p:not(.prod-tag) { font-size: 14px; color: var(--text-dim); }
.prod-feats {
  list-style: none;
  margin: 16px 0 20px;
  display: grid;
  gap: 9px;
}
.prod-feats li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--text-dim);
}
.prod-feats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--grad);
  transform: rotate(45deg);
}
.prod-feats sup { font-size: 0.6em; }
.prod-card .text-link { margin-top: auto; }

/* 光斑视差过渡 */
.orb { transition: translate 0.6s ease-out; }

/* 区块内小标签 */
.block-tag {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
  padding: 7px 16px;
  border-radius: 99px;
  background: var(--grad-soft);
  border: 1px solid rgba(240, 32, 141, 0.22);
  margin-bottom: 18px;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 7, 15, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.nav-inner {
  width: min(1200px, 92vw);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-mark { filter: drop-shadow(0 4px 14px rgba(240, 32, 141, 0.35)); }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text b { font-size: 17.5px; font-weight: 700; letter-spacing: 0.04em; }
.logo-text i {
  font-style: normal;
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--text-faint);
}

/* 菜单 */
.menu { display: flex; align-items: center; gap: 6px; }
.menu-item { position: relative; }
.menu-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color 0.22s, background-color 0.22s;
}
.menu-link:hover { color: #fff; }
.menu-link.active { color: #fff; }
.menu-link .chev { transition: transform 0.25s var(--ease); }
.has-drop:hover .chev { transform: rotate(180deg); }

/* 下拉菜单 */
.drop {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 210px;
  padding: 9px;
  background: rgba(14, 15, 28, 0.96);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.has-drop:hover .drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.drop a {
  display: block;
  padding: 10px 14px;
  font-size: 14.5px;
  color: var(--text-dim);
  border-radius: 8px;
  transition: background-color 0.2s, color 0.2s;
}
.drop a:hover { background: var(--grad-soft); color: #fff; }

.nav-right { display: flex; align-items: center; gap: 14px; }

/* 汉堡按钮 */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.burger span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  max-height: calc(100dvh - var(--nav-h));
  overflow-y: auto;
  padding: 26px 5vw 34px;
  background: rgba(6, 7, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.m-group { margin-bottom: 20px; }
.m-title {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
  font-weight: 600;
}
.mobile-menu .m-group a,
.mobile-menu > .m-link {
  display: block;
  padding: 11px 4px;
  font-size: 16px;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: color 0.2s, padding-left 0.2s;
}
.mobile-menu .m-group a:hover,
.mobile-menu > .m-link:hover { color: #fff; padding-left: 10px; }
.mobile-menu .btn { width: 100%; margin-top: 20px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 96px) 0 90px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 78%);
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.5;
}
.orb-a { width: 560px; height: 560px; top: -220px; left: -140px; background: rgba(48, 55, 228, 0.55); }
.orb-b { width: 520px; height: 520px; bottom: -180px; right: -140px; background: rgba(240, 32, 141, 0.42); }
.orb-c { width: 480px; height: 480px; top: -200px; left: -120px; background: rgba(48, 55, 228, 0.5); }
.orb-d { width: 460px; height: 460px; bottom: -220px; right: -120px; background: rgba(240, 32, 141, 0.42); }

.hero-inner {
  position: relative;
  width: min(1200px, 92vw);
  margin: 0 auto;
  text-align: center;
}
.hero h1 {
  font-size: clamp(38px, 6.2vw, 74px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin-bottom: 26px;
}
.hero-sub {
  max-width: 700px;
  margin: 0 auto;
  color: var(--text-dim);
  font-size: clamp(15.5px, 1.6vw, 18px);
}
.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* 轮播 */
.carousel { margin-top: 72px; }
.carousel-viewport { overflow: hidden; padding: 4px 0 20px; }
.carousel-track {
  display: flex;
  gap: 20px;
  transition: transform 0.65s var(--ease);
  will-change: transform;
}
.hcard {
  flex: 0 0 auto;
  width: 332px;
  text-align: left;
  padding: 28px 26px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), border-color 0.3s, background-color 0.3s, box-shadow 0.3s;
}
.hcard:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(240, 32, 141, 0.45);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(240, 32, 141, 0.12);
}
.hcard-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
  margin-bottom: 18px;
}
.hcard-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.hcard h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.hcard > p { font-size: 14.5px; color: var(--text-dim); min-height: 63px; }
.hcard-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.25s;
}
.hcard:hover .hcard-link { color: #fff; }

.carousel-ctrl {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-top: 8px;
}
.car-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.25s, background-color 0.25s, transform 0.25s;
}
.car-btn:hover { border-color: var(--g2); background: var(--grad-soft); transform: scale(1.06); }
#prevBtn svg { transform: rotate(180deg); }
.car-dots { display: flex; gap: 8px; }
.car-dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.18);
  transition: width 0.3s var(--ease), background 0.3s;
  padding: 0;
}
.car-dot.active { width: 24px; background: var(--grad); }

/* ---------- 数据条 ---------- */
.stats {
  background: var(--bg-alt);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 52px 0 46px;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0.85;
}
.stats-inner {
  width: min(1200px, 92vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
}
.stat { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.stat-num em { font-size: 0.55em; color: var(--text-dim); font-weight: 600; margin-left: 2px; }
.stat-num .slash { color: var(--text-faint); font-weight: 500; }
.stat-label { margin-top: 8px; font-size: 13.5px; color: var(--text-dim); }
.stats-note {
  width: min(1200px, 92vw);
  margin: 26px auto 0;
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
}
/* 3 项变体（平台数据） */
.stats-trio .stats-inner { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 560px) {
  .stats-trio .stats-inner { grid-template-columns: 1fr; gap: 26px; }
}

/* ---------- 为什么选择量化方程（左右分栏） ---------- */
.why-wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.why-lead {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 16px;
}
.why-sub {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 30px;
  line-height: 1.9;
}
.why-list { display: grid; gap: 14px; }
.why-row {
  display: grid;
  grid-template-columns: 34px 46px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 20px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.3s var(--ease), border-color 0.3s, background-color 0.3s;
}
.why-row:hover {
  transform: translateX(6px);
  background: var(--bg-card-hover);
  border-color: rgba(48, 55, 228, 0.45);
}
.why-row-num {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.3);
}
.why-row-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 11px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
}
.why-row-body h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 4px; }
.why-row-body p { font-size: 13.5px; color: var(--text-dim); line-height: 1.7; }
.why-row-arrow { transition: transform 0.25s var(--ease); }
.why-row:hover .why-row-arrow { transform: translateX(4px); }

/* ---------- 核心技术（6 卡片） ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tech-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), border-color 0.3s, background-color 0.3s;
}
.tech-card:hover {
  transform: translateY(-5px);
  border-color: rgba(48, 55, 228, 0.45);
  background: var(--bg-card-hover);
}
.tech-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
  margin-bottom: 20px;
}
.tech-card h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; }
.tech-card p { font-size: 14.5px; color: var(--text-dim); }

/* ---------- 旗舰策略 ---------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.metric {
  text-align: center;
  padding: 26px 12px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.metric:hover { border-color: rgba(240, 32, 141, 0.42); transform: translateY(-4px); }
.metric-num {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.metric-num em { font-size: 0.5em; color: var(--text-dim); font-weight: 600; }
.metric-label { margin-top: 8px; font-size: 13px; color: var(--text-dim); }

/* 信号引擎 */
.signal-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
  padding: 44px 40px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--nav-h) + 76px);
}
.signal-text h3 { font-size: 24px; font-weight: 700; margin-bottom: 16px; }
.signal-text p { color: var(--text-dim); font-size: 15px; margin-bottom: 14px; }
.signal-text b { font-weight: 700; }

.signal-diagram {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 18px 10px;
}
.signal-diagram svg { width: 100%; height: auto; }
.net-labels {
  display: flex;
  justify-content: space-around;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-top: 4px;
}

/* 科技示意图通用元素 */
.nlabel {
  font-family: var(--font-body);
  font-size: 11.5px;
  fill: #a3a8bf;
  letter-spacing: 0.06em;
}
.nlabel.dim { fill: #6d7288; font-size: 10.5px; }

/* 示意图块交替排版 */
.tech-block { margin-bottom: 26px; }
.tech-block:last-child { margin-bottom: 0; }
.signal-wrap.rev .signal-text { order: 2; }
.signal-wrap.rev .signal-diagram { order: 1; }

/* 子仓虚线流动 */
.flow-dash { animation: flowDashSm 2.4s linear infinite; }
@keyframes flowDashSm { to { stroke-dashoffset: -78; } }

/* 子仓呼吸辉光 */
.sub-glow { animation: glowPulse 2.6s ease-in-out infinite; }
.sub-glow.d2 { animation-delay: 0.9s; }
.sub-glow.d3 { animation-delay: 1.7s; }
@keyframes glowPulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

/* WebSocket 延迟条微光 */
.bar-pulse { animation: barGlow 1.8s ease-in-out infinite; }
@keyframes barGlow {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

/* 输出节点脉冲 */
.pulse-node { animation: nodePulse 2.2s ease-in-out infinite; }
@keyframes nodePulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* 投资理念 */
.philosophy {
  padding: 40px 44px;
  border-radius: 18px;
  background: var(--grad-soft);
  border: 1px solid rgba(240, 32, 141, 0.18);
  margin-bottom: 56px;
}
.philo-main {
  font-size: clamp(17px, 2vw, 20.5px);
  font-weight: 500;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 16px;
}
.philo-sub { color: var(--text-dim); font-size: 15.5px; }

/* 数学军火库 */
.arsenal-head { margin-bottom: 26px; }
.arsenal-head h3 { font-size: 21px; font-weight: 700; }
.arsenal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.ars-card {
  padding: 24px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, #3037e4, #f0208d) 1;
  transition: transform 0.3s var(--ease), background-color 0.3s;
}
.ars-card:hover { transform: translateY(-4px); background: var(--bg-card-hover); }
.ars-card h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 8px; }
.ars-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.75; }

/* 策略风控 */
.strat-risk {
  padding: 34px 40px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.strat-risk h3 { font-size: 19px; font-weight: 700; margin-bottom: 22px; }
.strat-risk-list { display: grid; gap: 0; }
.strat-risk-list li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14.5px;
}
.strat-risk-list li:last-child { border-bottom: none; }
.strat-risk-list b { font-weight: 600; color: var(--text); }
.strat-risk-list span { color: var(--text-dim); }
.disclaimer { margin-top: 18px; font-size: 12.5px; color: var(--text-faint); }

/* ---------- 风控体系 ---------- */
.risk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.risk-card {
  position: relative;
  padding: 32px 26px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.risk-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s;
}
.risk-card:hover { transform: translateY(-5px); border-color: rgba(240, 32, 141, 0.4); }
.risk-card:hover::before { opacity: 1; }
.risk-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(255, 255, 255, 0.28);
  margin-bottom: 18px;
}
.risk-card h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; }
.risk-card p { font-size: 14px; color: var(--text-dim); }

.risk-warning {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 36px;
  padding: 20px 24px;
  border: 1px solid rgba(240, 32, 141, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(240, 32, 141, 0.06);
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.8;
}
.risk-warning svg { flex-shrink: 0; margin-top: 2px; }
.risk-warning b { color: var(--text); }

/* ---------- 机构与团队 ---------- */
.inst-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: start;
}
.inst-main p {
  font-size: 16.5px;
  color: var(--text-dim);
  margin-bottom: 18px;
  line-height: 1.95;
}
.inst-main b { color: var(--text); font-weight: 600; }
.inst-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.badge {
  padding: 8px 18px;
  font-size: 13.5px;
  border-radius: 99px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.3);
  color: var(--text);
}
.inst-side { display: grid; gap: 14px; }
.inst-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s, transform 0.3s var(--ease), background-color 0.3s;
}
.inst-card:hover { border-color: rgba(48, 55, 228, 0.45); background: var(--bg-card-hover); transform: translateX(4px); }
.inst-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--grad-soft);
  border: 1px solid rgba(48, 55, 228, 0.25);
}
.inst-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.inst-card p { font-size: 13.5px; color: var(--text-dim); }

/* ---------- 新闻动态 ---------- */
.news-list { border-top: 1px solid var(--border); }
.news-item {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 30px 10px;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.25s;
  cursor: pointer;
  animation: newsIn 0.45s var(--ease) both;
}
@keyframes newsIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.news-item:hover { background: rgba(255, 255, 255, 0.02); }
.news-date {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}
.news-body h3 { font-size: 17.5px; font-weight: 600; line-height: 1.5; margin-bottom: 6px; transition: color 0.25s; }
.news-item:hover .news-body h3 { color: var(--g2); }
.news-body p { font-size: 14px; color: var(--text-dim); }
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--text-faint);
}
.news-src {
  padding: 2px 10px;
  border-radius: 99px;
  font-size: 11.5px;
  border: 1px solid rgba(48, 55, 228, 0.4);
  color: var(--text-dim);
  background: var(--grad-soft);
}
.news-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}
.news-item:hover .news-more { border-color: var(--g2); background: var(--grad-soft); transform: translateX(3px); }

/* 新闻骨架屏 */
.news-skeleton {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  padding: 30px 10px;
  border-bottom: 1px solid var(--border);
}
.sk {
  display: block;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255,255,255,.05) 25%, rgba(255,255,255,.11) 50%, rgba(255,255,255,.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
}
.sk-date { width: 84px; height: 14px; margin-top: 4px; }
.sk-lines { display: grid; gap: 12px; }
.sk-line { width: 72%; height: 17px; }
.sk-line.short { width: 44%; height: 13px; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* 新闻状态与加载更多 */
.news-state {
  padding: 44px 0 8px;
  text-align: center;
  color: var(--text-dim);
  font-size: 14.5px;
  display: grid;
  gap: 16px;
  justify-items: center;
}
.news-more-wrap {
  text-align: center;
  margin-top: 36px;
}
.news-more-wrap .btn { min-width: 160px; }
.news-more-wrap .btn:disabled { opacity: 0.5; cursor: default; transform: none; }
.news-end {
  text-align: center;
  margin-top: 30px;
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.12em;
}

/* ---------- 新闻详情页 ---------- */
.article-page { padding: calc(var(--nav-h) + 56px) 0 90px; }
.article-container { width: min(860px, 92vw); }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 32px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.25s;
}
.back-link:hover { color: #fff; }
.back-link svg { transform: rotate(180deg); transition: transform 0.25s var(--ease); }
.back-link:hover svg { transform: rotate(180deg) translateX(3px); }
.article-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}
.article-loading {
  padding: 90px 0;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
  display: grid;
  gap: 14px;
  justify-items: center;
}
.article-loading .btn { margin-top: 8px; }
.spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--g2);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 详情内容 */
.nd-head { padding: 34px 38px 26px; border-bottom: 1px solid var(--border); }
.nd-title { font-size: clamp(20px, 2.6vw, 25px); font-weight: 700; line-height: 1.5; margin-bottom: 14px; }
.nd-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-faint);
}
.nd-meta .news-src { font-size: 12px; }
.nd-thumb { width: 100%; max-height: 360px; object-fit: cover; display: block; }
.nd-content { padding: 30px 38px 44px; font-size: 15.5px; line-height: 1.95; color: #cfd2e2; }
.nd-content p { margin-bottom: 18px; }
.nd-content h3 { font-size: 18px; color: var(--text); margin: 26px 0 12px; font-weight: 700; }
.nd-content h2 { font-size: 20px; color: var(--text); margin: 28px 0 12px; font-weight: 700; }
.nd-content blockquote {
  margin: 0 0 18px;
  padding: 14px 18px;
  border-left: 2px solid;
  border-image: linear-gradient(180deg, #3037e4, #f0208d) 1;
  background: var(--grad-soft);
  border-radius: 0 10px 10px 0;
  color: var(--text-dim);
  font-size: 14px;
}
.nd-content img { max-width: 100%; border-radius: 12px; margin: 8px 0; }
.nd-content a { color: var(--g2); border-bottom: 1px solid rgba(240, 32, 141, 0.4); }
.nd-content ul, .nd-content ol { padding-left: 24px; margin-bottom: 18px; }
.nd-content ul { list-style: disc; }
.nd-content ol { list-style: decimal; }
.nd-content li { margin-bottom: 6px; }
.nd-content strong { color: var(--text); }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: 120px 0;
  text-align: center;
  overflow: hidden;
  background: var(--bg);
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-inner { position: relative; width: min(860px, 92vw); margin: 0 auto; }
.cta h2 {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
}
.cta p { color: var(--text-dim); font-size: 17px; margin-bottom: 40px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 72px 0 34px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.9fr 1fr;
  gap: 44px;
  margin-bottom: 56px;
}
.footer-tag { margin-top: 20px; font-size: 15px; font-weight: 600; }
.footer-desc { margin-top: 10px; font-size: 13.5px; color: var(--text-faint); line-height: 1.8; max-width: 340px; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14.5px;
  color: var(--text-dim);
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover { color: #fff; padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-faint);
}
.footer-risk { max-width: 560px; text-align: right; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 17, 32, 0.9);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s, border-color 0.25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: var(--g2); }

/* ---------- 入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .carousel-track { transition: none; }
  .prod-icon, .prod-card::after { animation: none; }
  .orb { transition: none; }
  .flow-dash, .sub-glow, .bar-pulse, .pulse-node { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .why-wrap { grid-template-columns: 1fr; gap: 40px; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .asset-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
  .risk-grid { grid-template-columns: repeat(2, 1fr); }
  .arsenal-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-inner { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .signal-wrap { grid-template-columns: 1fr; }
  .signal-wrap.rev .signal-text { order: 1; }
  .signal-wrap.rev .signal-diagram { order: 2; }
  .inst-grid { grid-template-columns: 1fr; }
  .team-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .menu { display: none; }
  .burger { display: flex; }
  .mobile-menu { display: block; }
  .nav .btn-grad { display: none; }
  .section { padding: 84px 0; }
  .br-desk { display: block; }
  .client-grid { grid-template-columns: 1fr; }
  .lic-grid { grid-template-columns: 1fr; }
  .compliance-side { grid-template-columns: 1fr; }
  .page-hero { padding: calc(var(--nav-h) + 56px) 0 48px; }
  .news-item { grid-template-columns: 1fr; gap: 12px; padding: 24px 4px; }
  .news-more { display: none; }
  .news-skeleton { grid-template-columns: 1fr; gap: 12px; }
  .nd-head { padding: 28px 24px 20px; }
  .nd-content { padding: 24px 24px 36px; }
  .footer-bottom { justify-content: flex-start; }
  .footer-risk { text-align: left; }
}

@media (max-width: 560px) {
  .hero { padding-top: calc(var(--nav-h) + 64px); }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .tech-grid { grid-template-columns: 1fr; }
  .asset-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .why-row { grid-template-columns: 26px 40px 1fr; gap: 12px; padding: 16px; }
  .why-row-arrow { display: none; }
  .arsenal-grid { grid-template-columns: 1fr; }
  .risk-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .hcard { width: 288px; }
  .signal-wrap { padding: 30px 22px; }
  .philosophy { padding: 30px 24px; }
  .strat-risk { padding: 28px 22px; }
  .strat-risk-list li { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
  .strat-risk-list b { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
}