:root{
  --bg0:#0a0f1c; --bg1:#0b1224;
  --ink:#e9f0ff; --muted:#aab6cc; --line:#223355;
  --c1:#39e9c7; --c2:#53a9ff; --c3:#8b72ff;
  --grad:linear-gradient(135deg,var(--c1),var(--c2));
  --radius:20px; --shadow:0 25px 50px -12px rgba(0,0,0,.5);
  --step:900ms;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:hidden;width:100%;height:100%;position:relative}
body{
  background: radial-gradient(1200px 720px at 18% 24%, #174e7a38 0, #0000 60%),
              radial-gradient(900px 560px at 86% 92%, #3b1a6e28 0, #0000 70%),
              linear-gradient(180deg,var(--bg0),var(--bg1));
  color:var(--ink); font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
  width:100%;
  max-width:100vw;
  min-height:100vh;
  position:relative;
  /* 🔥 关键修复: 为固定头部留出空间，避免内容被遮挡 */
  padding-top:80px;
  /* 🔥 移动端修复: 防止iOS橡皮筋效果造成上下白边 */
  overscroll-behavior-y:none;
}

/* 统一容器宽度 */
.container{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}

/* 📱 移动端响应式 */
@media (max-width:768px){
  body{padding-top:116px}

  /* Hero区域移动端优化 - 2025-10-02: 优化移动端排版 */
  .hero{min-height:auto;padding:40px 0 60px} /* 移动端也减少顶部padding */
  .hero > .grid{gap:48px;padding:0 20px}
  .hero .h1{
    font-size:clamp(36px,9vw,50px); /* 移动端也适当放大 */
    margin-bottom:24px;
    line-height:1.25; /* 两行排版，移动端行高 */
  }
  .hero .sub{
    font-size:15px;
    margin:20px 0 32px;
    line-height:1.75; /* 移动端保持良好行距 */
  }
  .hero .kv{margin:0 0 32px;gap:14px 20px}
  .hero .cta{flex-direction:column;gap:12px}
  .hero .cta .btn{width:100%;justify-content:center}
}

/* ===== Navigation ===== */
/* 🔥 关键修复: 支持多种头部选择器，避免FOUC闪烁 */
body > nav,
.header,
#main-header,
header {
  position:fixed;top:0;left:0;right:0;z-index:1000;
  backdrop-filter:blur(20px);background:rgba(10,15,28,.8);
  border-bottom:1px solid rgba(148,163,184,.2);
  transition:all .4s cubic-bezier(0.4,0,0.2,1)
}
.nav-container{max-width:1280px;margin:0 auto;padding:0 24px;width:100%;display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;gap:16px;text-decoration:none;transition:all .4s cubic-bezier(0.4,0,0.2,1)}
.brand:hover{transform:translateY(-2px)}
.brand-logo{width:40px;height:40px;position:relative}
.brand-logo svg{width:100%;height:100%;filter:drop-shadow(0 8px 16px rgba(6,182,212,.4))}
.brand-text{font-size:24px;font-weight:900;letter-spacing:-1px;background:linear-gradient(135deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:40px}
.nav-link{color:#aab6cc;text-decoration:none;font-weight:600;font-size:15px;transition:all .4s cubic-bezier(0.4,0,0.2,1);position:relative;padding:8px 0}
.nav-link:hover{color:var(--ink)}
.nav-link::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(135deg,var(--c1),var(--c2));transition:all .4s cubic-bezier(0.4,0,0.2,1)}
.nav-link:hover::after{width:100%}
.nav-cta{background:linear-gradient(135deg,var(--c1),var(--c2));color:#000;padding:12px 24px;border-radius:12px;text-decoration:none;font-weight:700;font-size:15px;transition:all .4s cubic-bezier(0.4,0,0.2,1);box-shadow:0 8px 25px rgba(6,182,212,.3)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(6,182,212,.4)}

/* ========================================
   🎯 Hero Section - Direct-to-Wallet 动画区域
   📌 2025-10-01: 重构为Hero，使用Non-custodial可视化动画
   ======================================== */
.hero{
  min-height:80vh;
  padding:40px 0 40px; /* 2025-10-02: 大幅减少顶部padding，避免距导航栏太远 */
  position:relative;
  /* ⚠️ 不设置overflow:hidden，避免右侧动画被截断 */
}

/* Hero背景层 - 纯净科技蓝 */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(ellipse 65% 50% at 25% 30%, rgba(147,51,234,0.35) 0%, transparent 65%),
    radial-gradient(ellipse 60% 48% at 78% 65%, rgba(14,165,233,0.32) 0%, transparent 68%),
    linear-gradient(180deg, #0c1a2e 0%, #14284a 100%);
}

/* Hero内部容器 - 最大宽度限制 */
.hero > .grid{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
  gap:80px;
  /* 覆盖.grid的默认gap */
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
}

/* Hero左侧内容区间距优化 - 2025-10-02: 优化字号、行距、间距 */
.hero .h1{
  margin:0 0 28px;
  font-size:clamp(46px,7.8vw,68px); /* 文字变少，放大字号 */
  line-height:1.22; /* 两行排版，适当增加行高 */
  letter-spacing:-0.025em;
}
/* Hero核心卖点列表 - 2025-10-02: 竖向排列更清晰 */
.hero-features{
  margin:28px 0 36px;
  padding:0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.hero-features li{
  font-size:clamp(16px,2vw,19px);
  line-height:1.5;
  color:rgba(203,213,225,0.92);
  font-weight:500;
  display:flex;
  align-items:center;
  gap:10px;
}
.hero .kv{margin:0 0 40px;gap:18px 32px}
.hero .cta{gap:16px;margin-top:8px} /* 增加顶部间距 */

/* 2025-10-01: Hero移动端响应式 - 左右内容改为上下排列 */
@media (max-width:1080px){
  .hero > .grid{
    grid-template-columns:1fr; /* 单列布局 */
    gap:40px;
  }
  .hero{
    padding:60px 0 40px; /* 移动端减少padding */
  }
  .hero .viz{
    transform:scale(1); /* 移动端不放大动画 */
    height:auto;
    max-width:100%;
  }
}

/* Hero右侧动画区域放大 - 只调整容器尺寸，不影响动画逻辑 */
.hero .viz{
  height:560px;
  transform:scale(1.12);
  transform-origin:center center;
}

/* 确保二维码容器也跟随缩放，避免尺寸差异 */
.hero .viz .qr{
  /* 继承父级scale，无需额外调整 */
}

/* 优化二维码canvas渲染，确保清晰度 */
.hero .viz .qr canvas{
  image-rendering:pixelated;
  image-rendering:-moz-crisp-edges;
  image-rendering:crisp-edges;
}

/* Hero 按钮样式 - 从旧Hero迁移 */
.btn{padding:16px 32px;border-radius:12px;text-decoration:none;font-weight:700;font-size:16px;transition:all .4s cubic-bezier(0.4,0,0.2,1);display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:linear-gradient(135deg,var(--c1),var(--c2));color:#000;box-shadow:0 8px 25px rgba(6,182,212,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(6,182,212,.4)}
.btn-secondary{background:rgba(31,41,55,.8);color:var(--ink);border:1px solid rgba(148,163,184,.2);backdrop-filter:blur(20px)}
.btn-secondary:hover{background:rgba(31,41,55,.9);transform:translateY(-2px)}

/* How it Works Section */
/* 2025-10-01: 优化How it Works区域 - 移除外层背景，避免多层背景视觉拼凑感 */
.how-section{
  position:relative;
  overflow:hidden;
  background:transparent; /* 移除外层背景 */
  padding:56px 0 44px;
}
/* 将背景效果移到内层容器 */
.how-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(60% 50% at 50% 0%,rgba(6,182,212,.06),transparent 70%),
             radial-gradient(45% 60% at 15% 100%,rgba(59,130,246,.04),transparent 60%),
             radial-gradient(40% 55% at 85% 100%,rgba(139,92,246,.03),transparent 60%);
  pointer-events:none;
  z-index:0;
}
.how-header{text-align:center;margin-bottom:48px;position:relative;z-index:2}
.how-header .h1{font-size:clamp(40px,5vw,58px);margin-bottom:20px;color:#ffffff;font-weight:700;letter-spacing:-.025em;line-height:1.1}
.how-header .sub{font-size:18px;color:rgba(203,213,225,.85);font-weight:500;max-width:480px;margin:0 auto 20px;line-height:1.4;letter-spacing:-.005em}
.how-description{font-size:15px;color:rgba(148,163,184,.7);max-width:520px;margin:0 auto;line-height:1.6;letter-spacing:normal}
.proc.news-carousel{position:relative;overflow:hidden;width:100%;max-width:1280px;margin:0 auto;padding:0 24px;min-height:400px}
.process-flow{position:relative}
.process-track{position:absolute;top:40px;left:50%;transform:translateX(-50%);width:calc(66.67% - 80px);height:2px;z-index:1}
.track-line{width:100%;height:100%;background:linear-gradient(90deg,rgba(148,163,184,.08),rgba(148,163,184,.15),rgba(148,163,184,.08));border-radius:1px}
.track-progress{position:absolute;top:0;left:0;height:100%;background:linear-gradient(90deg,var(--c1) 0%,var(--c2) 50%,var(--c3) 100%);border-radius:1px;width:0%;transition:width 2.5s cubic-bezier(.4,0,.2,1);box-shadow:0 0 12px rgba(6,182,212,.3)}
.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;position:relative;z-index:2;margin-top:40px}
.process-step{position:relative;display:flex;flex-direction:column;align-items:center}
.step-trigger{margin-bottom:24px;cursor:pointer;position:relative}
.step-circle{position:relative;width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,rgba(7,12,23,.95),rgba(15,23,42,.9));border:2px solid rgba(148,163,184,.12);display:flex;align-items:center;justify-content:center;transition:all .8s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(20px);box-shadow:0 8px 24px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.08)}
.step-circle.active{border-color:var(--c1);background:linear-gradient(135deg,rgba(6,182,212,.12),rgba(7,12,23,.95));box-shadow:0 0 32px rgba(6,182,212,.25),0 0 60px rgba(6,182,212,.1),inset 0 1px 0 rgba(255,255,255,.15);transform:scale(1.05)}
.step-inner{font-size:28px;font-weight:900;color:rgba(148,163,184,.5);transition:all .6s ease;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.step-circle.active .step-inner{color:var(--c1);text-shadow:0 0 16px rgba(6,182,212,.4)}
.step-pulse{position:absolute;inset:-10px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c2));opacity:0;filter:blur(12px);transition:opacity .8s ease}
.step-circle.active .step-pulse{opacity:.2;animation:pulseGlow 4s ease-in-out infinite}
@keyframes pulseGlow{0%,100%{transform:scale(.9);opacity:.1}50%{transform:scale(1.15);opacity:.25}}
.step-panel{background:linear-gradient(180deg,rgba(15,23,42,.85),rgba(7,12,23,.9));border:1px solid rgba(148,163,184,.1);border-radius:20px;padding:32px 24px;backdrop-filter:blur(30px);box-shadow:0 16px 48px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.06);opacity:.7;transform:translateY(24px) scale(.96);transition:all 1s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.step-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(6,182,212,.25),transparent);opacity:0;transition:opacity .6s ease}
.process-step.active .step-panel{opacity:1;transform:translateY(0) scale(1);box-shadow:0 24px 64px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.08)}
.process-step.active .step-panel::before{opacity:1}
.panel-content{text-align:center;position:relative;z-index:2}
.panel-icon{position:relative;width:52px;height:52px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center}
.icon-bg{position:absolute;inset:-3px;border-radius:14px;background:linear-gradient(135deg,var(--c1),var(--c2));opacity:.1;filter:blur(10px);transition:opacity .6s ease}
.process-step.active .icon-bg{opacity:.18}
.panel-icon svg{width:26px;height:26px;color:var(--c1);position:relative;z-index:2;filter:drop-shadow(0 2px 6px rgba(6,182,212,.25))}
.panel-content h3{margin:0 0 12px;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2}
.panel-content p{margin:0 0 24px;color:rgba(148,163,184,.75);line-height:1.6;font-size:15px;max-width:260px;margin-left:auto;margin-right:auto;letter-spacing:normal}
.panel-demo{padding:18px;background:linear-gradient(180deg,rgba(3,7,18,.9),rgba(7,12,23,.7));border:1px solid rgba(148,163,184,.04);border-radius:14px;font-family:ui-monospace,monospace;position:relative;overflow:hidden}
.panel-demo::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(6,182,212,.15),transparent)}
.demo-qr{width:36px;height:36px;background:repeating-linear-gradient(0deg,rgba(6,182,212,.15) 0 1px,transparent 1px 4px),repeating-linear-gradient(90deg,rgba(6,182,212,.15) 0 1px,transparent 1px 4px);border-radius:5px;margin:0 auto 10px;box-shadow:0 3px 10px rgba(0,0,0,.25)}
.demo-address{font-size:12px;color:var(--c1);font-weight:600;opacity:.85;letter-spacing:normal}
.demo-blocks{display:flex;gap:6px;justify-content:center;margin-bottom:10px}
.block{width:16px;height:16px;border-radius:3px;background:rgba(148,163,184,.1);transition:all .5s ease;box-shadow:inset 0 1px 2px rgba(0,0,0,.25)}
.block.confirmed{background:linear-gradient(135deg,#059669,#047857);box-shadow:0 0 10px rgba(5,150,105,.3),inset 0 1px 2px rgba(255,255,255,.08)}
.block.pending{background:linear-gradient(135deg,#d97706,#b45309);animation:blockPulse 2.5s ease-in-out infinite;box-shadow:0 0 6px rgba(217,119,6,.25)}
@keyframes blockPulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.9;transform:scale(1.08)}}
.demo-rate{font-size:11px;color:rgba(148,163,184,.6);font-weight:500;letter-spacing:normal}
.demo-transfer{text-align:center}
.transfer-amount{font-size:16px;color:var(--c1);font-weight:800;margin-bottom:5px;text-shadow:0 0 8px rgba(6,182,212,.25);letter-spacing:normal}
.transfer-status{font-size:12px;color:#059669;font-weight:600;display:flex;align-items:center;justify-content:center;gap:3px;letter-spacing:normal}
@media (max-width:1024px){.process-steps{grid-template-columns:1fr;gap:64px;max-width:380px;margin:0 auto}.process-track{display:none}.step-trigger{margin-bottom:20px}}
@media (max-width:768px){
  .how-section{padding:60px 0 40px}
  .process-flow{padding:0 16px}
  .how-header{margin-bottom:48px}
  .process-steps{max-width:100%;gap:48px} /* 移除最大宽度限制，让卡片更丰满 */
  .step-circle{width:64px;height:64px}
  .step-inner{font-size:22px}
  .panel-content h3{font-size:20px}
  .panel-content p{font-size:14px;max-width:100%} /* 移除段落宽度限制 */
  .step-panel{padding:28px 24px} /* 增加左右padding */
}

/* ========== New Features (qp-*) ========== */
.qp-sec{position:relative;overflow:hidden;padding:40px 0 60px;background:linear-gradient(180deg,rgba(7,12,23,.98),rgba(3,7,18,.99))} /* 2025-10-01: 顶部padding与Hero底部对齐，消除双层背景割裂感 */
.qp-sec::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(50% 40% at 20% 0%,rgba(139,92,246,.05),transparent 70%),radial-gradient(40% 50% at 80% 100%,rgba(6,182,212,.04),transparent 60%)}
.qp-title{font-size:clamp(36px,4.5vw,52px);font-weight:800;line-height:1.08;letter-spacing:-.01em;margin:0 0 10px}
.qp-sub{color:rgba(203,213,225,.82);font-size:16px;line-height:1.65;max-width:640px}

.qp-features .qp-feat-wrap{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:0 24px}
@media (max-width:1080px){.qp-features .qp-feat-wrap{grid-template-columns:1fr}}
.qp-feat-visual{margin:0;position:relative;align-self:start}
.qp-glass{position:relative;border-radius:20px;overflow:hidden;background:linear-gradient(180deg,#0e1e34,#0a1629);border:1px solid rgba(34,51,85,.9);box-shadow:0 12px 30px rgba(0,0,0,.35);max-width:460px}
.qp-glass img{display:block;width:100%;height:auto}
.qp-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 80% at 50% 20%,#53a9ff12,transparent 74%)}
.qp-feat-visual figcaption{opacity:.75;color:#cfe0ff;font-weight:600;margin-top:10px}
.qp-feat-visual figcaption{display:none}

.qp-feat-content{align-self:start;min-width:0}
.qp-feat-content .qp-title{margin-bottom:6px}
/* Tabs removed in simplified layout */
/* .qp-tabs, .qp-tab styles deleted */
.qp-list{margin:12px 0 0;display:grid;gap:10px;grid-template-columns:1fr}
@media (min-width:900px){.qp-list{grid-template-columns:1fr 1fr}}
.qp-list li{list-style:none;display:flex;gap:8px;align-items:flex-start;background:rgba(20,28,44,.52);border:1px solid rgba(148,163,184,.1);border-radius:12px;padding:12px 14px;animation:featIn .6s ease both}
.qp-list li:nth-child(2){animation-delay:.05s}
.qp-list li:nth-child(3){animation-delay:.1s}
.qp-list li:nth-child(4){animation-delay:.15s}
.qp-list li:nth-child(5){animation-delay:.2s}
.qp-list li:nth-child(6){animation-delay:.25s}
.qp-list li i{width:8px;height:8px;border-radius:50%;margin-top:7px;background:radial-gradient(circle at 40% 40%,#fff 0 28%,#0000 55%), radial-gradient(var(--c1),var(--c2));box-shadow:0 0 6px 2px #2fffd626}
.qp-list b{color:#e6f0ff}
.qp-list li:hover{background:rgba(22,32,50,.68);border-color:rgba(148,163,184,.16);transform:translateY(-1px);transition:.25s}
@keyframes featIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.qp-cta{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.qp-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:12px;font-weight:800;text-decoration:none;border:1px solid rgba(148,163,184,.18)}
.qp-primary{background:linear-gradient(135deg,var(--c1),var(--c2));color:#000;box-shadow:0 10px 28px rgba(6,182,212,.28)}
.qp-ghost{background:rgba(31,41,55,.55);color:#d7e7ff}
@media (max-width:768px){.qp-sec{padding:72px 0}.qp-features .qp-feat-wrap{gap:28px}}

/* ========== Why QuantaPay - 毛玻璃精致风 ========== */
/* 2025-10-03: 渐变光效 + 毛玻璃卡片 + SVG图标 */
/* ========== Why Choose QuantaPay - 精致毛玻璃风格 ========== */
.why-choose-section{
  padding:50px 0 60px !important;
  background:transparent;
  position:relative;
}

@keyframes orbFloat{
  0%, 100%{transform:translate3d(0,0,0) rotate(0deg);}
  40%{transform:translate3d(3%, -2%, 0) rotate(1.5deg);}
  70%{transform:translate3d(-3%, 4%, 0) rotate(-1.5deg);}
}

@keyframes corePulse{
  0%, 100%{opacity:.4;transform:scale(.96);}
  50%{opacity:.75;transform:scale(1.08);}
}

@keyframes cardGlow{
  0%{transform:translate3d(0,0,0) scale(.94);opacity:.55;}
  45%{transform:translate3d(0,-6%,0) scale(1.08);opacity:.92;}
  100%{transform:translate3d(0,0,0) scale(.94);opacity:.55;}
}

@keyframes iconPulse{
  0%, 100%{box-shadow:0 18px 42px rgba(56,189,248,.35),inset 0 2px 12px rgba(13,148,136,.45);}
  50%{box-shadow:0 28px 66px rgba(6,182,212,.55),inset 0 2px 18px rgba(59,130,246,.72);}
}

.qp-container{
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}

.why-choose-section .qp-title{
  text-align:center;
  margin-bottom:12px;
  font-size:clamp(38px, 4.8vw, 54px);
  font-weight:800;
  letter-spacing:-0.035em;
  line-height:1.08;
}

.why-choose-section .qp-sub{
  text-align:center;
  margin:0 auto 35px;
  max-width:720px;
  font-size:18px;
  color:rgba(203,213,225,0.82);
  line-height:1.75;
  font-weight:400;
}

/* 精致3列网格 */
.why-choose-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  max-width:1180px;
  margin:0 auto;
  position:relative;
  z-index:1;
  perspective:1400px;
}

.why-choose-grid::before{
  content:"";
  position:absolute;
  inset:-18% -10% -14% -10%;
  background:radial-gradient(circle at 50% 40%, rgba(45,212,191,.28) 0%, rgba(56,189,248,.18) 32%, rgba(124,58,237,.12) 55%, transparent 72%);
  filter:blur(60px);
  opacity:.6;
  pointer-events:none;
  animation:corePulse 12s ease-in-out infinite;
  z-index:-1;
}

/* 简洁卡片 */
.why-choose-card{
  position:relative;
  padding:28px 28px 32px;
  border-radius:16px;
  transition:all 0.35s cubic-bezier(0.4,0,0.2,1);
  background:linear-gradient(145deg, rgba(15,23,42,0.4) 0%, rgba(30,41,59,0.35) 100%);
  border:1px solid rgba(255,255,255,0.08);
  box-shadow:0 4px 16px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.03) inset, 0 1px 2px rgba(255,255,255,0.05) inset;
  backdrop-filter:blur(16px) saturate(180%);
  --card-accent:#38bdf8;
  --card-accent-soft:rgba(56,189,248,0.25);
  --card-highlight:rgba(14,165,233,0.55);
}

.why-choose-card::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:16px;
  padding:1px;
  background:linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  opacity:0;
  transition:opacity 0.35s ease;
}

.why-choose-card:nth-child(3n+2){
  --card-accent:#a855f7;
  --card-accent-soft:rgba(168,85,247,0.25);
  --card-highlight:rgba(196,181,253,0.5);
}

.why-choose-card:nth-child(3n){
  --card-accent:#5eead4;
  --card-accent-soft:rgba(94,234,212,0.25);
  --card-highlight:rgba(125,211,252,0.5);
}

.why-choose-card:hover{
  border-color:rgba(148,163,184,0.25);
  transform:translateY(-6px);
  box-shadow:0 12px 40px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.05) inset;
}

.why-choose-card:hover::before{
  opacity:1;
}

/* 特色卡片 - Trusted by merchants globally */
.why-choose-card.featured{
  background:linear-gradient(145deg, rgba(139,92,246,0.15) 0%, rgba(6,182,212,0.12) 100%);
  border:1px solid rgba(255,255,255,0.12);
  box-shadow:0 8px 24px rgba(139,92,246,0.15), 0 0 0 1px rgba(255,255,255,0.05) inset, 0 1px 3px rgba(255,255,255,0.08) inset;
}

.why-choose-card.featured h3{
  background:linear-gradient(120deg, #c4b5fd 0%, #7dd3fc 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.why-choose-card.featured:hover{
  border-color:rgba(139,92,246,0.4);
  box-shadow:0 16px 48px rgba(139,92,246,0.2), 0 0 0 1px rgba(255,255,255,0.05) inset;
}

/* 图标 - 柔和设计 */
.why-icon{
  width:56px;
  height:56px;
  margin:0 auto 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:32px;
  color:rgba(255,255,255,0.85);
  background:rgba(255,255,255,0.03);
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.05);
}

.why-choose-card h3{
  font-size:18px;
  font-weight:800;
  margin:0 0 10px;
  line-height:1.3;
  text-align:center;
  color:#e8f2ff;
}

.why-choose-card p{
  font-size:14px;
  line-height:1.5;
  color:rgba(203,213,225,0.82);
  margin:0;
  text-align:center;
}

.why-choose-card p b{
  color:var(--card-highlight);
  font-weight:700;
}

/* 响应式 - 移动端 (2列布局) */
@media (max-width:768px){
  .why-choose-section .qp-title{
    font-size:32px;
  }
  .why-choose-section .qp-sub{
    font-size:16px;
  }
  .why-choose-grid{
    grid-template-columns:repeat(2, 1fr);
    gap:20px;
  }
  .why-choose-card h3{
    font-size:17px;
  }
  .why-choose-card p{
    font-size:13.5px;
  }
}

/* 超小屏幕 - 单列布局 */
@media (max-width:480px){
  .why-choose-grid{
    grid-template-columns:1fr;
  }
}

/* 响应式 - 平板 */
@media (min-width:769px) and (max-width:1024px){
  .why-choose-section{
    padding:100px 0 110px;
  }
  .why-choose-grid{
    grid-template-columns:repeat(2,1fr);
    gap:28px;
  }
  .why-choose-card{
    padding:36px 28px;
  }
  .why-icon{
    width:60px;
    height:60px;
    font-size:32px;
  }
}

/* 桌面大屏优化 */
@media (min-width:1400px){
  .why-choose-section{
    padding:140px 0 150px;
  }
  .why-choose-grid{
    max-width:1400px;
    gap:40px;
  }
  .why-choose-card{
    padding:40px 36px;
  }
  .why-icon{
    width:64px;
    height:64px;
    font-size:36px;
  }
}

/* ========== FAQ - 常见问题 ========== */
/* 2025-10-02: 现代化卡片式Q&A布局，提升视觉效果 */
.faq-section{
  padding:88px 0 96px;
  background:transparent;
  position:relative;
}
/* 移除背景光效，保持简洁 */
.faq-section .qp-title{
  text-align:center;
  margin-bottom:16px;
}
.faq-section .qp-sub{
  text-align:center;
  margin:0 auto 56px;
  max-width:600px;
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  max-width:1180px;
  margin:0 auto;
}
.faq-column{
  display:flex;
  flex-direction:column;
  gap:24px;
}
.faq-item{
  padding:32px 28px;
  background:rgba(15,23,42,0.4);
  border:1px solid rgba(148,163,184,0.08);
  border-radius:16px;
  transition:all 0.35s cubic-bezier(0.4,0,0.2,1);
  position:relative;
  overflow:hidden;
}
.faq-item::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:4px;
  height:100%;
  background:linear-gradient(180deg, rgba(139,92,246,0.6), rgba(139,92,246,0.2));
  opacity:0;
  transition:opacity 0.35s ease;
}
.faq-item:hover{
  background:rgba(15,23,42,0.6);
  border-color:rgba(139,92,246,0.25);
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(139,92,246,0.12);
}
.faq-item:hover::before{
  opacity:1;
}
.faq-item h3{
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin:0 0 14px;
  line-height:1.45;
  letter-spacing:-0.01em;
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.faq-item h3::before{
  content:"Q";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:24px;
  height:24px;
  flex-shrink:0;
  background:linear-gradient(135deg, rgba(139,92,246,0.15), rgba(139,92,246,0.08));
  border:1px solid rgba(139,92,246,0.25);
  border-radius:6px;
  font-size:13px;
  font-weight:800;
  color:rgba(139,92,246,0.85);
  margin-top:1px;
}
.faq-item p{
  font-size:15px;
  line-height:1.7;
  color:rgba(203,213,225,0.82);
  margin:0;
  padding-left:34px;
}

/* 响应式 - 移动端 */
@media (max-width:768px){
  .faq-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .faq-section{
    padding:64px 0 72px;
  }
  .faq-column{
    gap:20px;
  }
  .faq-item{
    padding:24px 20px;
  }
  .faq-item h3{
    font-size:16px;
  }
  .faq-item p{
    font-size:14px;
    padding-left:34px;
  }
}

/* ========== New Supported Assets (qp-*) ========== */
/* 2025-10-01: 调整Supported Cryptocurrencies板块间距 */
.qp-assets{
  background:linear-gradient(180deg,rgba(3,7,18,.98),rgba(5,10,25,.99));
  padding:80px 0 48px !important;
}
.qp-assets-inner{max-width:1280px;margin:0 auto;padding:0 24px;text-align:center}
.qp-assets .qp-title{margin-bottom:10px}
/* 📱 移动端优化 - 减少上下间距 */
@media (max-width:768px){
  .qp-assets{padding:40px 0 32px !important} /* 移动端大幅减少上下间距 */
  .qp-assets .qp-title{font-size:32px;margin-bottom:8px}
  .qp-assets .qp-sub{font-size:14px;margin-bottom:20px}
}

/* ========== Feature Cards Slider ========== */
.qp-card-slider{margin-top:14px;position:relative;overflow:hidden;width:100%;max-width:640px}
.qp-cards{display:flex;gap:14px;transition:transform .6s cubic-bezier(.25,.1,.25,1);will-change:transform}
.qp-card{flex:0 0 100%;background:rgba(20,28,44,.52);border:1px solid rgba(148,163,184,.12);border-radius:16px;overflow:hidden;box-shadow:0 10px 28px rgba(0,0,0,.28)}
.qp-card-img{display:block;width:100%;height:auto;background:#0b1629}
.qp-card-body{padding:14px 16px}
.qp-card-title{margin:0 0 6px;font-size:18px;font-weight:800;letter-spacing:-.01em;color:#e6f0ff}
.qp-card-desc{margin:0;color:rgba(203,213,225,.85);font-size:14px;line-height:1.6}
.qp-dots{display:flex;gap:6px;justify-content:center;margin-top:10px}
.qp-dot{width:7px;height:7px;border-radius:50%;background:rgba(148,163,184,.28)}
.qp-dot.active{background:linear-gradient(135deg,var(--c1),var(--c2))}
.qp-assets .qp-sub{margin:0 auto 24px}

/* Tickers */
.qp-marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%);margin:24px 0; min-height:72px}
.qp-track{display:block;padding:10px 0;white-space:nowrap;animation-play-state:paused;will-change:transform}
.qp-seq{display:inline-block;white-space:nowrap}
/* 为序列内部提供 22px 的等距，以及在序列末尾补一个 22px 的空白，保证首尾与内部一致 */
.qp-seq::after{content:"";display:inline-block;width:22px;height:1px}
.qp-badge{display:inline-flex;align-items:center}
.qp-badge + .qp-badge{margin-left:22px}
.qp-marquee.qp-run .qp-track{animation-play-state:running}
.qp-marquee-a .qp-track{animation:qpLeft 85s linear infinite}
.qp-marquee-b .qp-track{animation:qpRight 95s linear infinite}
.qp-marquee:hover .qp-track{animation-play-state:paused}
/* 使用 JS 写入 --half（半个轨道宽度，像素）来消除百分比舍入误差 */
@keyframes qpLeft{0%{transform:translate3d(0,0,0)}100%{transform:translate3d(calc(-1 * var(--half, 50%)),0,0)}}
@keyframes qpRight{0%{transform:translate3d(calc(-1 * var(--half, 50%)),0,0)}100%{transform:translate3d(0,0,0)}}
.qp-badge{display:inline-flex;align-items:center;gap:12px;padding:12px 16px;border-radius:16px;background:rgba(31,41,55,.55);border:1px solid rgba(148,163,184,.16);backdrop-filter:blur(16px);box-shadow:0 10px 26px rgba(0,0,0,.18);transition:transform .25s}
.qp-badge:hover{transform:translateY(-2px) scale(1.04)}
.qp-badge img{width:36px;height:36px;border-radius:50%;filter:drop-shadow(0 3px 6px rgba(0,0,0,.35));display:block}
.qp-badge b{font-weight:900;letter-spacing:.4px}

/* Orbit */
.qp-orbit{position:relative;height:420px;display:none;align-items:center;justify-content:center;margin-top:16px}
.qp-orbit-core{position:absolute;z-index:2;display:flex;align-items:center;justify-content:center;width:120px;height:120px;border-radius:50%;background:rgba(31,41,55,.8);border:2px solid rgba(148,163,184,.18);backdrop-filter:blur(20px);font-weight:900;font-size:36px;color:#d7e7ff;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.qp-orbit-ring{position:absolute;width:360px;height:360px;border-radius:50%;border:2px solid rgba(148,163,184,.12);background:radial-gradient(circle at center, rgba(6,182,212,.05) 0%, transparent 70%);animation:orbitSpin 28s linear infinite}
@keyframes orbitSpin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.qp-planet{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px 0 0 -28px;border-radius:50%;background:rgba(31,41,55,.65);border:2px solid rgba(148,163,184,.2);backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(0,0,0,.24);transition:transform .25s}
.qp-planet:hover{transform:scale(1.1)}
.qp-planet img{width:34px;height:34px;border-radius:50%;filter:drop-shadow(0 4px 8px rgba(0,0,0,.35))}
@media (max-width:720px){.qp-orbit{height:360px}.qp-orbit-ring{width:300px;height:300px}.qp-planet{width:50px;height:50px;margin:-25px 0 0 -25px}.qp-planet img{width:30px;height:30px}.qp-orbit-core{width:100px;height:100px;font-size:28px}}

/* Features list layout tighten (handled above with breakpoint at 900px) */

/* Integrations Section */
.integrations-section{padding:88px 0;position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(11,20,36,.98),rgba(7,12,23,.99))}
.integrations-section::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 62% 42%,rgba(27,216,196,.06) 0,transparent 70%),radial-gradient(800px 360px at 36% 74%,rgba(79,164,255,.06) 0,transparent 75%),radial-gradient(620px 320px at 72% 82%,rgba(142,116,255,.08) 0,transparent 75%);pointer-events:none}
.integrations-header{text-align:center;margin-bottom:64px;position:relative;z-index:2}
.integrations-title{font-size:clamp(36px,4.5vw,52px);margin:0 0 16px;color:#ffffff;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.integrations-description{font-size:18px;color:rgba(203,213,225,.8);margin:0 auto;line-height:1.6}
.integrations-slider{position:relative;z-index:2;overflow:hidden;max-width:1280px;margin:0 auto}
.integrations-grid{display:flex;flex-wrap:nowrap;gap:24px;padding:0 24px;will-change:transform;transition:transform 1s cubic-bezier(.25,.1,.25,1);width:max-content}
.integration-card{flex:0 0 380px;max-width:380px;background:linear-gradient(145deg,rgba(15,23,42,.9),rgba(7,12,23,.95));border:1px solid rgba(148,163,184,.12);border-radius:24px;padding:40px 32px;backdrop-filter:blur(30px);box-shadow:0 16px 48px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.06);transition:all .6s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;text-align:center}
@media (max-width:980px){.integration-card{flex:0 0 320px;max-width:320px;padding:36px 28px}}
@media (max-width:640px){.integration-card{flex:0 0 260px;max-width:260px;padding:32px 24px}}
.integration-card:hover{transform:translateY(-6px);box-shadow:0 20px 48px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.1);border-color:rgba(6,182,212,.2)}
.integration-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(6,182,212,.3),transparent);opacity:0;transition:opacity .6s ease}
.integration-card:hover::before{opacity:1}
.platform-logo{height:120px;width:auto;max-width:280px;object-fit:contain;margin:0 auto 32px;filter:brightness(1.2) saturate(1.1);transition:all .4s ease}
.integration-card:hover .platform-logo{transform:scale(1.08) translateY(-4px)}
.api-logo{height:120px;width:280px;margin:0 auto 32px;background:linear-gradient(135deg,rgba(6,182,212,.08),rgba(15,23,42,.6));border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;transition:all .4s ease}
.api-logo svg{width:48px;height:48px;color:var(--c1);filter:drop-shadow(0 4px 8px rgba(6,182,212,.4))}
.api-text{color:var(--c1);font-weight:700;font-size:16px;letter-spacing:.5px}
.integration-card:hover .api-logo{transform:scale(1.08) translateY(-4px)}
.integration-card h3{margin:0 0 16px;font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
.integration-card p{margin:0 0 28px;color:rgba(148,163,184,.8);font-size:15px;line-height:1.6}
.card-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;background:linear-gradient(135deg,rgba(6,182,212,.12),rgba(15,23,42,.8));border:1px solid rgba(6,182,212,.25);border-radius:12px;color:var(--c1);text-decoration:none;font-weight:600;font-size:14px;transition:all .4s ease;position:relative;overflow:hidden;min-width:140px}
.card-btn::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--c1),var(--c2));opacity:0;transition:opacity .4s ease}
.card-btn:hover{color:#000;transform:translateY(-2px);box-shadow:0 8px 24px rgba(6,182,212,.3)}
.card-btn:hover::before{opacity:1}
@media (max-width:768px){.integrations-section{padding:44px 0}.integrations-grid{gap:24px;padding:0 16px}.integrations-header{margin-bottom:36px}}
@media (max-width:480px){.platform-logo,.api-logo{height:100px;margin-bottom:24px}}

/* ❌ 已删除旧Hero动画背景 (animated-bg, aurora) - 2025-10-01 */

/* ===== Non-custodial slice ===== */
.section{max-width:1280px; margin:0 auto; padding:96px 24px; position:relative}
.section::before{content:""; position:absolute; inset:0; z-index:0; pointer-events:none; background:
  radial-gradient(900px 420px at 62% 42%, #1bd8c41a 0, #0000 70%),
  radial-gradient(800px 360px at 36% 74%, #4fa4ff1a 0, #0000 75%),
  radial-gradient(620px 320px at 72% 82%, #8e74ff22 0, #0000 75%)}
.grid{position:relative; z-index:1; display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center}
@media (max-width:1080px){ .grid{grid-template-columns:1fr; gap:36px} }

.h1{margin:0 0 12px; line-height:1.02; letter-spacing:-.02em; font-size:clamp(42px,7.2vw,64px); font-weight:900}
.h1 .grad{background:linear-gradient(90deg,var(--c1),var(--c2) 55%,var(--c3));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--muted); font-size:clamp(16px,2.1vw,20px); line-height:1.7; margin:12px 0 24px; max-width:640px}
.kv{display:grid; grid-template-columns:1fr 1fr; gap:14px 28px; margin:0 0 28px}
@media (max-width:720px){ .kv{grid-template-columns:1fr} }
.kv .item{display:flex; gap:10px; align-items:center; color:#d8e6ff; font-weight:800}
.dot{width:10px;height:10px;border-radius:50%; background:radial-gradient(circle at 40% 40%,#fff 0 28%,#0000 55%), radial-gradient(var(--c1),var(--c2)); box-shadow:0 0 12px 4px #2fffd633}
.cta{display:flex; gap:12px; flex-wrap:wrap}
.btn:hover{transform:translateY(-1px)}

.viz{position:relative; height:480px; border-radius:22px; overflow:visible}
.viz::after{content:""; position:absolute; inset:0; opacity:.18; pointer-events:none; background:
  radial-gradient(140px 140px at 50% 50%, #8da7ff22 0 60%, #0000 61%) center/280px 280px repeat,
  repeating-linear-gradient(90deg,#24325755 0 1px,#0000 1px 34px),
  repeating-linear-gradient(0deg,#24325755 0 1px,#0000 1px 34px); mask:radial-gradient(closest-side,#fff 78%,#0000 100%)}

.card{position:absolute; display:flex; flex-direction:column; gap:12px; padding:14px; width:260px; color:#e8f1ff; background:linear-gradient(180deg,#0f2037,#0b1629); border:1px solid #223355; border-radius:14px; box-shadow:0 16px 36px #0007, inset 0 0 0 1px #ffffff10; backdrop-filter:saturate(120%) blur(2px)}
.card .label{font-size:12px; font-weight:800; letter-spacing:.06em; color:#c6d6ff}
.card .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.card.invoice{ left:3%; top:14% }
.card.tx     { left:42%; top:16%; width:320px }
/* 2025-10-01: 优化钱包卡片动画效果 */
.card.wallet {
  right:-2%;
  bottom:8%;
  width:280px;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1); /* 弹性缓动 */
}
/* 钱包卡片激活状态 - 发光+轻微放大 */
.card.wallet.highlight {
  transform: scale(1.05);
  box-shadow:
    0 20px 48px rgba(47, 255, 214, 0.2),
    0 0 0 2px rgba(47, 255, 214, 0.3),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2),
    inset 0 0 40px rgba(47, 255, 214, 0.15);
  border-color: rgba(47, 255, 214, 0.4);
}

.qr{width:120px;height:120px;border-radius:12px;background:#0a1426;position:relative;overflow:hidden;box-shadow:inset 0 0 0 3px #203557}
.qr::after{content:"";position:absolute;inset:-25% -35%;background:linear-gradient(90deg,#0000,#7eeaff33,#0000);transform:rotate(25deg);animation:shine 2.6s linear infinite}
@keyframes shine{0%{transform:translateX(-60%) rotate(25deg)}100%{transform:translateX(160%) rotate(25deg)}}
.qr canvas{display:block;width:100%;height:100%;image-rendering:pixelated}

.chain{display:inline-flex; align-items:center; gap:8px; padding:6px 10px; border-radius:999px; font-weight:800; background:linear-gradient(180deg,#0e1d34,#0b1629); border:1px solid #21324d}
.chain i{width:14px;height:14px;border-radius:4px;background:linear-gradient(135deg,#627eea,#a695ff); display:inline-block}
.progress{position:relative;height:6px;border-radius:999px;overflow:hidden;background:#172745;box-shadow:inset 0 0 0 1px #21375a}
.progress .bar{position:absolute; inset:0 auto 0 0; width:0%; background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3)); box-shadow:0 0 10px #66eaff55; border-radius:inherit; transition:width var(--step) cubic-bezier(.22,.8,.16,.99)}

.card.tx{ z-index: 3 } .card.wallet, .card.invoice{ z-index: 2 } .conf{ position:relative; z-index: 3 } .core{ z-index: 1 }
.conf{display:flex; gap:6px}
.block{width:14px;height:14px;border-radius:3px; background:#16243e; box-shadow:inset 0 0 0 1px #2a3b5e; transition:background .25s}
.block.on{background:linear-gradient(180deg,#15d6a0,#39e9c7); box-shadow:0 0 12px #2fffd6aa, inset 0 0 0 1px #0e3}
/* typing effect for hash */
.hash{display:inline-block; white-space:nowrap; overflow:hidden}
@keyframes type{from{width:0} to{width:100%}}

.balance{font-size:14px}
/* 2025-10-01: 优化"Received on-chain"高亮效果 */
.ok{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#aaf0d0;
  font-weight:800;
  transition: all 0.4s ease-out; /* 平滑过渡效果 */
}
.ok svg{width:16px;height:16px}
/* 激活状态 - 更明显的发光和颜色变化 */
.ok.active{
  color:#2fffd6;
  text-shadow: 0 0 12px #2fffd688, 0 0 24px #2fffd644;
  filter: drop-shadow(0 0 8px #2fffd666);
}

.core{ position:absolute; left:69%; top:58%; transform:translate(-50%,-50%); pointer-events:none; width:200px;height:200px;border-radius:50%; background:radial-gradient(circle at 50% 55%, #0b1226 0, #111b36 58%, #0b1226 100%); box-shadow:0 18px 52px #0009, inset 0 0 0 2px #2a3d66, inset 0 0 52px #7aa7ff24 }
.core .ring{position:absolute;inset:-18px;border-radius:50%;box-shadow:0 0 0 2px #64a7ff44, inset 0 0 90px #7f65ff2e; opacity:.75}
.core .ring.r2{inset:-36px; box-shadow:0 0 0 2px #64a7ff22, inset 0 0 120px #7f65ff22}
.core .ring.r3{inset:-54px; box-shadow:0 0 0 2px #64a7ff11, inset 0 0 140px #7f65ff18}
.core svg{position:absolute;inset:0;margin:auto;width:60px;height:60px;stroke:#e9f1ff}
@keyframes ripple{0%{ transform:scale(.98); opacity:.85 } 50%{ transform:scale(1.02); opacity:.95 } 100%{ transform:scale(.98); opacity:.85 }}
.core .ring,.core .ring.r2,.core .ring.r3{animation:ripple 4.6s ease-in-out infinite}

/* mobile */
@media (max-width:820px){
  nav .menu{gap:16px}
  .hero{padding:100px 16px 60px; min-height:86vh}
  .hero-cta .btn{width:100%; max-width:300px}
  .viz{height:auto}
  .card{position:relative; left:auto; right:auto; top:auto; bottom:auto; width:100%; max-width:360px; margin:0 auto 14px}
  .card.invoice,.card.tx,.card.wallet{width:100%}
  .core{display:none}
}

/* ========== Full-width Features Carousel (qp-fw-*) ========== */
/* 2025-10-01: 优化Features区域 - 柔和舒适的配色 */
.qp-features{background:linear-gradient(180deg,rgba(7,12,23,.98),rgba(3,7,18,.99));padding:20px 0}
.qp-fw-slider{position:relative;max-width:1280px;margin:8px auto;padding:12px 0 14px;overflow:hidden;border-radius:20px;contain:paint}
/* 📱 移动端优化 - 减少Features区域上下间距 */
@media (max-width:768px){
  .qp-features{padding:32px 0 24px}
  .qp-fw-slider{margin:4px auto;padding:8px 0 10px}
}
/* 恢复原始边框效果 */
.qp-fw-slider::before{content:"";position:absolute;inset:0;border-radius:20px;background:linear-gradient(135deg,#6d4df6 0%, #7d5bff 28%, #8f6cff 52%, #3b82f6 72%, #06b6d4 100%);opacity:.85;box-shadow:0 0 0 1px rgba(255,255,255,.08) inset}
/* 柔和的内部背景 - 减少对比度 */
.qp-fw-slider::after{content:"";position:absolute;inset:3px;border-radius:18px;background:
  radial-gradient(100% 80% at 15% 0%, rgba(59,130,246,.06), transparent 65%),
  radial-gradient(100% 80% at 85% 100%, rgba(6,182,212,.05), transparent 65%),
  linear-gradient(180deg,rgba(12,18,32,.92),rgba(8,12,22,.95));
 box-shadow:inset 0 0 0 1px rgba(148,163,184,.12), 0 20px 50px rgba(0,0,0,.35)}
.qp-fw-slider > *{position:relative;z-index:2}
/* 2025-10-01: 减少Features卡片高度 */
.qp-fw-track{display:flex;flex-wrap:nowrap;transition:margin-left .7s ease;margin-top:12px;margin-left:0;min-height:360px;width:500%}
.qp-fw-slide{flex:0 0 20%;flex-shrink:0;padding:0;overflow:hidden;display:flex;align-items:center;width:20%;box-sizing:border-box}
.qp-fw-inner{display:grid;grid-template-columns:minmax(0,540px) minmax(0,1fr);gap:clamp(36px,5vw,72px);align-items:center;width:100%;max-width:100%;box-sizing:border-box;padding:0 16px}
.qp-fw-inner > *{min-width:0}
@media (max-width:1080px){.qp-fw-inner{grid-template-columns:1fr;gap:20px;padding:0 16px}}
/* 📱 移动端优化 - 大幅减少所有间距和图片高度 */
@media (max-width:768px){
  .qp-fw-track{min-height:200px;margin-top:6px} /* 进一步减少track顶部间距 */
  .qp-fw-inner{gap:8px;padding:0 12px} /* 极限减少图片和文字之间的gap */
  .qp-fw-glass{min-height:120px;padding:0;background:none !important} /* 大幅减少容器高度，移除背景 */
  .qp-fw-glass img{max-height:110px;width:auto} /* 极限压缩图片高度 */
  .qp-fw-visual{margin:0;padding:0} /* 确保visual容器无额外间距 */
  .qp-fw-glow{display:none} /* 移除移动端的发光效果 */
}

/* left visual */
.qp-fw-visual{margin:0;position:relative;z-index:1}
.qp-fw-glass{position:relative;overflow:hidden;max-width:560px;display:flex;align-items:center;justify-content:center;min-height:360px;background:none;border:none;box-shadow:none;padding:0}
.qp-fw-glass::before{content:none}
.qp-fw-glass::after{content:none}
.qp-fw-glass img{display:block;width:auto;height:auto;max-width:100%;max-height:320px;object-fit:contain;border-radius:8px;box-shadow:none;outline:none;transition:transform .35s ease, filter .35s ease;
  -webkit-mask-image:radial-gradient(120% 120% at 50% 50%, #000 78%, transparent 100%);
          mask-image:radial-gradient(120% 120% at 50% 50%, #000 78%, transparent 100%)}
.qp-fw-visual:hover .qp-fw-glass img{transform:translateY(-2px) scale(1.01);filter:saturate(105%)}
.qp-fw-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 80% at 50% 20%,#53a9ff12,transparent 74%)}

/* right content - 柔和的文字配色 */
.qp-fw-content{min-width:0;position:relative;z-index:2;max-width:100%;padding:0;overflow:hidden}
.qp-fw-content .qp-title{margin:0 0 8px;font-size:36px;line-height:1.15;color:#e8f2ff;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;display:box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;box-orient:vertical}
.qp-fw-content .qp-sub{max-width:100%;color:#c0d0e8;overflow:hidden;word-wrap:break-word;line-height:1.65;opacity:.92}
/* rich bullet list - 柔和的项目符号 */
.qp-fw-list{margin:12px 0 0;display:grid;gap:9px;overflow:hidden}
.qp-fw-list li{display:flex;gap:10px;align-items:flex-start;color:#b8c8e0;overflow:hidden;text-overflow:ellipsis;line-height:1.5}
.qp-fw-list li::before{content:"";width:5px;height:5px;border-radius:50%;margin-top:9px;background:linear-gradient(135deg,rgba(6,182,212,.75),rgba(59,130,246,.7));box-shadow:0 0 8px rgba(6,182,212,.3)}

/* dots */
.qp-fw-dots{display:none}
.qp-fw-dot{display:none}
.qp-fw-dot.active{display:none}

/* tabs (n8n 风格卡片式, inside the frame) */
/* 2025-10-01: 移除Features tab容器的底部边框，避免视觉割裂 */
.qp-fw-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;overflow:visible;border-bottom:none;padding:0 16px} /* 移除border-bottom */
@media (max-width: 980px){
  .qp-fw-tabs{display:flex;gap:12px;overflow:auto;mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);scrollbar-width:none;scroll-snap-type:x proximity;padding:0 0 14px}
  .qp-fw-tabs::-webkit-scrollbar{display:none}
  .qp-fw-tab{grid-template-rows:auto auto auto;min-height:100px;padding:16px;flex:0 0 220px;min-width:220px;scroll-snap-align:center}
  .qp-fw-tab .title{display:block}
}
.qp-fw-tab{display:grid;grid-template-rows:auto auto auto;align-content:start;gap:8px;padding:16px;min-height:104px;border-radius:12px;background:linear-gradient(135deg,rgba(15,23,42,.45),rgba(10,16,32,.55));border:1px solid rgba(148,163,184,.15);color:#e8f2ff;font-weight:800;cursor:pointer;user-select:none;transition:all .25s ease;position:relative;min-width:0;overflow:hidden;backdrop-filter:blur(10px)}
.qp-fw-tab:hover{background:linear-gradient(135deg,rgba(20,28,50,.55),rgba(15,20,38,.65));border-color:rgba(148,163,184,.25);transform:translateY(-2px)}
.qp-fw-tab .kicker{font-size:13.5px;letter-spacing:.02em;opacity:.88;text-transform:none;color:#b8c8e8;display:flex;align-items:center;justify-content:center;gap:6px;font-weight:700}
.qp-fw-tab .kicker .ico{font-size:16px;line-height:1;filter:saturate(110%);opacity:.9}
.qp-fw-tab .title{font-size:16px;font-weight:900;line-height:1.25;color:#f0f6ff;word-break:break-word;hyphens:auto;overflow:visible;display:block}
.qp-fw-tab .line{font-size:12.5px;opacity:.88;color:#c8d6f0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;line-height:1.4}
.qp-fw-tab[aria-selected="true"]{
  background:linear-gradient(135deg,rgba(6,182,212,.15),rgba(59,130,246,.12)),linear-gradient(180deg,rgba(15,23,42,.75),rgba(10,16,30,.8));
  border-color:rgba(6,182,212,.35);
  box-shadow:0 0 24px rgba(6,182,212,.15),inset 0 1px 0 rgba(255,255,255,.08);
}

/* ========== Developers Section ========== */
.dev-section{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(12,16,28,.98),rgba(6,10,22,.98));padding:48px 0;
  border:1px solid rgba(148,163,184,.18);border-radius:20px;margin:18px 24px;box-shadow:0 18px 46px rgba(2,6,23,.28), inset 0 1px 0 rgba(255,255,255,.03)}
.dev-section::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 40% at 15% 0%,rgba(6,182,212,.06),transparent 70%),radial-gradient(50% 40% at 85% 100%,rgba(139,92,246,.06),transparent 70%)}
.dev-inner{max-width:1280px;margin:0 auto;padding:0 24px}
.dev-header{text-align:center;margin:0 0 20px}
.dev-title{font-size:clamp(32px,4vw,46px);font-weight:800;line-height:1.08;letter-spacing:-.01em;margin:0 0 8px}
.dev-sub{color:rgba(203,213,225,.82);font-size:15px;line-height:1.6;max-width:680px;margin:0 auto}
.dev-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:stretch}
@media (max-width:1080px){.dev-grid{grid-template-columns:1fr;gap:28px}}
.dev-copy{min-width:0}
.dev-copy p{color:rgba(203,213,225,.88);line-height:1.72;margin:0 0 12px}
.dev-list{margin:12px 0 0;display:grid;gap:10px}
.dev-list li{list-style:none;display:flex;gap:10px;align-items:flex-start;background:rgba(22,28,42,.36);border:1px solid rgba(148,163,184,.16);border-radius:12px;padding:12px 14px}
.dev-list li:hover{border-color:rgba(148,163,184,.26);box-shadow:0 4px 14px rgba(0,0,0,.24)}
.dev-list li::before{content:"";width:8px;height:8px;border-radius:50%;margin-top:7px;background:radial-gradient(circle at 40% 40%,#fff 0 28%,#0000 55%), radial-gradient(var(--c1),var(--c2));box-shadow:0 0 6px 2px #2fffd626}
.dev-cta{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.dev-cta .btn{padding:12px 20px;border-radius:999px;font-weight:900;text-decoration:none;border:1px solid rgba(148,163,184,.18)}
.dev-cta .primary{background-image:linear-gradient(135deg,var(--c1),var(--c2));color:#0b1020;box-shadow:0 12px 30px rgba(6,182,212,.26)}
.dev-cta .ghost{background:rgba(17,24,39,.55);color:#dbe7ff;border-color:rgba(148,163,184,.22)}
.dev-cta .btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.22)}

/* Code panel */
.dev-code{position:relative;border-radius:16px;overflow:hidden;background:linear-gradient(180deg,#0b1020,#050a18);border:1px solid rgba(64,90,160,.42);
  box-shadow:0 20px 48px rgba(0,0,0,.4);min-height:420px}
.dev-code::before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 24%),radial-gradient(100% 120% at 100% 100%, rgba(34,197,242,.08), transparent 60%);pointer-events:none}
.dev-code .code-top{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(148,163,184,.12);background:linear-gradient(180deg,rgba(12,18,36,.65),rgba(10,16,30,.55))}
.dev-code .code-top small{opacity:.85}
.dev-code .dots{display:flex;gap:6px}
.dev-code .dot{width:8px;height:8px;border-radius:50%;background:#e87979}
.dev-code .dot:nth-child(2){background:#fbbf24}
.dev-code .dot:nth-child(3){background:#34d399}
.dev-code pre{margin:0;padding:12px 14px 16px 14px;max-height:340px;overflow:auto}
.dev-code code{font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;font-size:13px;line-height:1.6;color:#e6f0ff;white-space:pre}
.dev-code .cm{color:#9fbaff}
.dev-code .kw{color:#60a5fa}
.dev-code .st{color:#34d399}
.dev-code .nu{color:#fbbf24}
.dev-code .pr{color:#f472b6}
.dev-code .cmu{color:#aab6cc}
.dev-code .code-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:12px}
.dev-code .code-pane{display:flex;flex-direction:column;min-width:0;border:1px solid rgba(148,163,184,.14);border-radius:12px;overflow:hidden;background:linear-gradient(180deg,#0b1020,#060b1a)}
.dev-code .code-hint{padding:6px 14px 12px;color:#aab6cc;font-size:12px;opacity:.9}
.dev-code .code-hint .inline{background:rgba(15,23,42,.6);border:1px solid rgba(148,163,184,.2);border-radius:8px;padding:2px 6px;color:#d9e6ff}
@media(max-width:720px){.dev-code .code-grid{grid-template-columns:1fr}}
@media (max-width:768px){.dev-section{padding:40px 0}.dev-header{margin-bottom:16px}}

/* ========== News Section ========== */
.news-section{position:relative;padding:32px 0;background:linear-gradient(180deg,rgba(5,10,22,.98),rgba(3,7,18,.98))}

/* Contact section (banner style) */
.contact-section{position:relative;background:linear-gradient(180deg,rgba(3,7,18,.95) 0%,rgba(10,15,30,.98) 50%,rgba(3,7,18,.95) 100%);padding:80px 0}
.contact-inner{position:relative;max-width:1000px;margin:0 auto;padding:0 24px;z-index:2}
.contact-glow-bg{display:none}
.contact-content{position:relative;background:linear-gradient(135deg, rgba(26,11,46,.85) 0%, rgba(22,33,62,.9) 25%, rgba(15,52,96,.95) 50%, rgba(22,33,62,.9) 75%, rgba(26,11,46,.85) 100%);border-radius:24px;padding:56px 48px;text-align:center;overflow:hidden;isolation:isolate;border:1px solid rgba(148,163,184,.12);box-shadow:0 24px 72px rgba(0,0,0,.25),0 0 0 1px rgba(255,255,255,.05) inset,0 1px 2px rgba(255,255,255,.08) inset;backdrop-filter:blur(8px)}
.contact-content::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 100% 70% at 30% 40%, rgba(168,85,247,.15) 0%, transparent 55%),radial-gradient(ellipse 90% 60% at 70% 60%, rgba(6,182,212,.12) 0%, transparent 50%);pointer-events:none;z-index:0;animation:techGlow 10s ease-in-out infinite alternate}
.contact-content::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg, transparent 0%, rgba(168,85,247,.03) 25%, transparent 50%, rgba(6,182,212,.03) 75%, transparent 100%);pointer-events:none;z-index:1;animation:techShift 15s ease-in-out infinite alternate-reverse}
.contact-content>*{position:relative;z-index:2}
.contact-title{font-size:clamp(32px,4vw,48px);font-weight:400;color:#ffffff;margin:0 0 32px 0;letter-spacing:-.015em;line-height:1.2}
.contact-steps{display:flex;align-items:center;justify-content:center;gap:16px;margin:0 0 40px 0;font-size:15px;color:rgba(255,255,255,.85)}
.step-item{display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap}
.step-num{color:rgba(6,182,212,.9);font-weight:600}
.step-txt{color:rgba(255,255,255,.85);font-weight:400}
.step-arrow{color:rgba(148,163,184,.5);font-size:16px;margin:0 4px}
.contact-actions{display:flex;gap:20px;justify-content:center}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;padding:18px 40px;border-radius:14px;font-weight:700;font-size:16px;letter-spacing:.01em;text-decoration:none;transition:all .4s cubic-bezier(.4,0,.2,1);border:none;cursor:pointer;position:relative;overflow:hidden}
.btn-brand::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity .3s ease}
.btn-brand:hover::before{opacity:1}
.btn-brand.btn-primary{background:linear-gradient(135deg,#06b6d4 0%,#3b82f6 100%);color:#ffffff;box-shadow:0 8px 28px rgba(6,182,212,.35),0 4px 12px rgba(59,130,246,.2)}
.btn-brand.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(6,182,212,.45),0 8px 20px rgba(59,130,246,.3)}
.btn-brand.btn-secondary{background:rgba(15,23,42,.6);backdrop-filter:blur(20px);border:1.5px solid rgba(148,163,184,.25);color:#f8fafc}
.btn-brand.btn-secondary:hover{background:rgba(15,23,42,.8);border-color:rgba(148,163,184,.4);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.15)}


@keyframes pulse{
  0%, 100%{opacity:1;transform:translateY(-50%) scale(1)}
  50%{opacity:.7;transform:translateY(-50%) scale(1.1)}
}

@keyframes techGlow{
  0%{transform:translateX(-1.5%) scale(1) rotate(-0.5deg);opacity:.7}
  100%{transform:translateX(1.5%) scale(1.03) rotate(0.5deg);opacity:.9}
}

@keyframes techShift{
  0%{transform:translateY(-1%) skewX(-0.5deg);opacity:.5}
  100%{transform:translateY(1%) skewX(0.5deg);opacity:.7}
}

@media (max-width:900px){
  .contact-steps{flex-wrap:wrap;gap:12px 16px;justify-content:center}
  .step-arrow:last-of-type{display:none}
}
@media (max-width:768px){
  .contact-section{padding:60px 0}
  .contact-inner{padding:0 20px}
  .contact-content{padding:40px 28px;border-radius:20px}
  .contact-title{font-size:clamp(28px,7vw,42px);margin-bottom:24px}
  .contact-steps{flex-direction:column;gap:8px;margin-bottom:32px;font-size:14px}
  .step-arrow{display:none}
  .step-item{justify-content:center}
  .contact-actions{flex-direction:column;gap:12px;width:100%}
  .btn-brand{width:100%;padding:16px 32px}
}
/* News carousel styles */
.news-inner{max-width:1400px;margin:0 auto;padding:0 24px} /* 增加max-width确保4列卡片完整显示 */
.news-head{text-align:center;margin-bottom:32px}
.news-badge{display:inline-block;background:linear-gradient(135deg,var(--c1),var(--c2));color:#0b1020;font-size:13px;font-weight:700;padding:6px 16px;border-radius:20px;margin-bottom:16px;letter-spacing:.02em;text-transform:uppercase}
.news-title{font-size:clamp(40px,5vw,58px);font-weight:700;color:#0f172a;margin:0 0 20px;letter-spacing:-.025em;line-height:1.1}
.news-description{font-size:18px;color:rgba(15,23,42,.7);max-width:480px;margin:0 auto;line-height:1.4;font-weight:500;letter-spacing:-.005em}
.news-carousel{position:relative;margin-bottom:32px;width:100%}
.news-viewport{overflow:hidden;position:relative;width:100%;max-width:1320px;margin:0 auto;padding:0 24px} /* 4列完整显示：1272px(卡片+间距) + 48px(左右padding) = 1320px */
.news-track{display:flex;gap:24px;transition:transform 0.3s ease;width:fit-content;padding:16px 0} /* 增加上下padding防止阴影被截断 */
.news-card{flex:0 0 300px;width:300px;background:#ffffff;border:1px solid rgba(15,23,42,.08);border-radius:16px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,23,42,.12)}
.news-media .frame{position:relative;border-radius:0;overflow:hidden;aspect-ratio:16/9;background:radial-gradient(50% 50% at 50% 50%, rgba(148,163,184,.08), transparent 70%)}
.news-media .badge{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);color:#0f172a;border:1px solid rgba(15,23,42,.1);font-size:11px;font-weight:600;padding:4px 8px;border-radius:6px;letter-spacing:.01em}
.news-media img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover}
.news-body{padding:20px}
.news-title-sm{font-weight:800;color:#0f172a;margin:0 0 8px;font-size:16px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;line-clamp:2}
.news-meta{font-size:13px;color:#64748b;opacity:1;margin-bottom:12px}
.news-actions{margin-top:0}
.news-actions .read-more{font-size:14px;color:#0f172a;text-decoration:none;font-weight:600}
.news-actions .read-more:hover{color:#06b6d4}
.news-nav{position:absolute;top:50%;transform:translateY(-50%);width:calc(100% + 120px);left:-60px;display:flex;justify-content:space-between;z-index:10;pointer-events:none}
.news-nav .news-prev, .news-nav .news-next{pointer-events:auto}
.news-prev,.news-next{width:52px;height:52px;background:rgba(255,255,255,0.15);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.3);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;color:rgba(255,255,255,0.9);cursor:pointer;transition:all .4s cubic-bezier(0.4,0,0.2,1);box-shadow:0 8px 32px rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.2);outline:none;position:relative}
.news-prev:before,.news-next:before{content:'';position:absolute;inset:0;border-radius:50%;background:linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));opacity:0;transition:opacity .3s ease}
.news-prev:hover:before,.news-next:hover:before{opacity:1}
.news-prev:hover,.news-next:hover{background:rgba(255,255,255,0.25);color:#ffffff;box-shadow:0 12px 40px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.3);transform:scale(1.05)}
.news-prev:active,.news-next:active{transform:scale(0.95);box-shadow:0 4px 16px rgba(0,0,0,.15)}
.news-foot{display:flex;justify-content:center;margin-top:32px}
.news-foot .news-link{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:999px;background:linear-gradient(135deg,var(--c1),var(--c2));color:#0b1020;text-decoration:none;font-weight:700;font-size:14px;letter-spacing:.01em;transition:all .2s ease;box-shadow:0 8px 20px rgba(6,182,212,.2)}
.news-foot .news-link:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(6,182,212,.3)}
@media (max-width:1024px){
  .news-card{flex:0 0 calc(50% - 12px); width: calc(50% - 12px);}
  .news-nav{width:calc(100% + 80px);left:-40px}
  .news-track{gap: 16px;}
}
@media (max-width:640px){
  .news-card{flex:0 0 280px; width: 280px; margin: 0 auto;}
  .news-nav{width:calc(100% + 40px);left:-20px}
  .news-track{gap: 12px; justify-content: flex-start; padding: 0 20px;}
  .news-viewport{padding: 0 20px; margin: 0 -20px;}
}

/* News Light Variant */
.news-section.light{background:transparent;border-color:transparent;box-shadow:none}
.news-section.light::before{content:none}
.news-section.light .news-title{color:#ffffff}
.news-section.light .news-description{color:rgba(255,255,255,.8)}
.news-section.light .news-link{color:#cfe2ff}
.news-section.light .news-card{background:linear-gradient(180deg,#fbfdff,#f6f9ff);border:1px solid rgba(15,23,42,.09);box-shadow:0 6px 14px rgba(2,6,23,.05)}
.news-section.light .news-card:hover{box-shadow:0 12px 22px rgba(2,6,23,.08);border-color:rgba(15,23,42,.14)}
.news-section.light .news-media .frame{background:radial-gradient(50% 50% at 50% 50%, rgba(15,23,42,.05), transparent 70%)}
.news-section.light .news-media .badge{background:rgba(255,255,255,.88);color:#0f172a;border:1px solid rgba(15,23,42,.12)}
.news-section.light .news-title-sm{color:#0f172a}
.news-section.light .news-meta{color:#475569;opacity:.95}
.news-section.light .news-actions .read-more{color:#0f172a;border-bottom-color:rgba(15,23,42,.22)}
.news-section.light .news-actions .read-more:hover{color:#0b1020}

/* News images: ensure clean fit and gentle hover */
.news-media .frame img{object-fit:cover;transform:scale(1);transition:transform .35s ease, filter .35s ease;filter:saturate(110%)}
.news-card:hover .news-media .frame img{transform:scale(1.02)}

/* ===== Footer ===== */
.site-footer{margin-top:56px;padding:64px 0 40px;background:transparent;border-top:1px solid rgba(148,163,184,.14)}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.2fr) repeat(4,minmax(0,1fr));gap:28px;align-items:start}
@media (max-width:980px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr}}

.footer-brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;margin-bottom:10px}
.footer-brand .brand-logo{width:34px;height:34px}
.footer-brand .brand-logo svg{width:100%;height:100%;filter:drop-shadow(0 6px 12px rgba(6,182,212,.4))}
.footer-brand .brand-text{font-weight:900;letter-spacing:-.02em;background:linear-gradient(135deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}

.footer-tagline{color:rgba(203,213,225,.85);max-width:360px;line-height:1.6;margin:4px 0 14px;font-size:14.5px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(31,41,55,.6);border:1px solid rgba(148,163,184,.16);color:#cfe2ff;text-decoration:none;transition:transform .18s ease, box-shadow .18s ease, background .18s ease}
.footer-social a:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.28);background:rgba(31,41,55,.75)}
.footer-social svg{width:18px;height:18px}

.footer-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;grid-column:2 / -1}
@media (max-width:980px){.footer-nav{grid-column:1/-1;grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:640px){.footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}}
.footer-nav .col h4{margin:0 0 10px;font-size:14px;font-weight:800;color:#e5efff;letter-spacing:.02em}
.footer-nav .col a{display:block;color:#aab6cc;text-decoration:none;font-size:14px;padding:6px 0;transition:color .18s ease, transform .18s ease}
.footer-nav .col a:hover{color:#f2f6ff;transform:translateX(2px)}

.footer-bottom{text-align:center;margin-top:28px;padding-top:18px;border-top:1px solid rgba(148,163,184,.12);color:#8ea2c4;font-size:13px}




/* segmented control */
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{position:relative}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;border:1px solid rgba(148,163,184,.2);background:rgba(17,24,39,.6);color:#dbe7ff;font-weight:800;cursor:pointer;user-select:none}
.seg input:checked + span{border-color:transparent;background-image:linear-gradient(135deg,var(--c1),var(--c2));color:#0b1020;box-shadow:0 6px 18px rgba(6,182,212,.22)}

/* Brand button (unified) */
.btn-brand{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:999px;font-weight:700;font-size:16px;letter-spacing:.01em;text-decoration:none;border:1px solid rgba(148,163,184,.18);background-image:linear-gradient(135deg,var(--c1),var(--c2));color:#0b1020;box-shadow:0 10px 26px rgba(6,182,212,.25), 0 2px 0 rgba(255,255,255,.06) inset;transition:all .2s ease;position:relative}
.btn-brand:hover{transform:translateY(-1px);box-shadow:0 16px 36px rgba(6,182,212,.28)}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px rgba(6,182,212,.2)}

.btn-brand.secondary{background:rgba(255,255,255,.1);backdrop-filter:blur(20px);color:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 24px rgba(0,0,0,.1), inset 0 1px 0 rgba(255,255,255,.05)}
.btn-brand.secondary:hover{background:rgba(255,255,255,.15);color:#ffffff;box-shadow:0 8px 32px rgba(0,0,0,.15), inset 0 1px 0 rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.btn-brand.secondary:active{background:rgba(255,255,255,.08);box-shadow:0 2px 12px rgba(0,0,0,.08)}