/* Invadigm - 紫银现代简约风 Fintech Startup (invadigmcom.com) */
:root{
  --c-bg:#ffffff;
  --c-bg-2:#f6f4fb;
  --c-bg-3:#efeaf7;
  --c-primary:#1a1530;
  --c-primary-2:#2a2348;
  --c-accent:#6b46c1;
  --c-accent-2:#9d8cd1;
  --c-accent-light:#b9a9e8;
  --c-accent-soft:#ede9f7;
  --c-text:#1a1530;
  --c-text-light:#6b6480;
  --c-text-muted:#9d96b3;
  --c-text-inv:#ffffff;
  --c-text-inv-2:#d4cfe6;
  --c-border:#e8e5f0;
  --c-border-accent:#9d8cd1;
  --c-card:#ffffff;
  --c-section-alt:#f6f4fb;
  --shadow-sm:0 4px 12px rgba(26,21,48,.06);
  --shadow:0 8px 24px rgba(107,70,193,.08);
  --shadow-lg:0 20px 48px rgba(107,70,193,.12);
  --shadow-btn:0 6px 16px rgba(107,70,193,.24);
  --radius:16px;
  --radius-lg:24px;
  --radius-pill:999px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","Helvetica Neue","Microsoft YaHei",Arial,sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-0.005em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶部条 */
.top-bar{background:var(--c-primary);color:var(--c-text-inv-2);font-size:13px;padding:8px 0}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar-ticker{display:flex;align-items:center;gap:6px}
.top-bar-ticker .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);box-shadow:0 0 8px rgba(157,140,209,.7);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.top-bar-links a{color:var(--c-accent-light);margin:0 4px;font-weight:500}
.top-bar-links a:hover{color:#fff}

/* header */
.site-header{background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{height:34px;width:auto}
.brand-name{font-size:22px;font-weight:700;letter-spacing:-0.02em;color:var(--c-primary)}
.main-nav{display:flex;gap:28px;align-items:center}
.nav-link{font-size:14px;color:var(--c-text);font-weight:500;padding:6px 0;position:relative;transition:color .2s}
.nav-link:hover,.nav-link.active{color:var(--c-accent)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;background:var(--c-accent);border-radius:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:var(--radius-pill);font-weight:600;font-size:14px;cursor:pointer;border:none;transition:all .2s;letter-spacing:-0.005em;font-family:inherit}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-btn)}
.btn-primary:hover{transform:translateY(-1px);background:#5b3aaf;box-shadow:0 10px 24px rgba(107,70,193,.32)}
.btn-sm{padding:9px 20px;font-size:13px}
.btn-ghost{background:#fff;border:1px solid var(--c-border);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);box-shadow:var(--shadow-sm)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{box-shadow:0 6px 18px rgba(255,255,255,.25)}
.btn-ghost-light{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.32);color:#fff;backdrop-filter:blur(8px)}
.btn-ghost-light:hover{background:rgba(255,255,255,.16)}

/* Hero */
.hero{background:linear-gradient(160deg,#1a1530 0%,#2a1f55 45%,#3a2870 100%);color:var(--c-text-inv);padding:100px 0;position:relative;overflow:hidden}
.hero-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.45;pointer-events:none}
.hero-blob-1{width:420px;height:420px;background:#6b46c1;top:-100px;right:-80px}
.hero-blob-2{width:380px;height:380px;background:#9d8cd1;bottom:-120px;left:-80px;opacity:.35}
.hero-shapes{position:absolute;inset:0;pointer-events:none}
.shape{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.14)}
.shape-1{width:300px;height:300px;top:20%;left:55%}
.shape-2{width:200px;height:200px;top:55%;left:75%;border-color:rgba(157,140,209,.4)}
.shape-3{width:120px;height:120px;top:25%;left:80%;border-color:rgba(255,255,255,.2)}
.hero-inner{display:flex;flex-direction:column;align-items:center;text-align:center;position:relative}
.hero-text{max-width:780px}
.hero-tag{display:inline-block;background:rgba(157,140,209,.18);color:var(--c-accent-light);padding:7px 18px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;margin-bottom:22px;border:1px solid rgba(157,140,209,.32)}
.hero-title{font-size:52px;line-height:1.18;font-weight:800;margin-bottom:20px;color:#fff;letter-spacing:-0.025em}
.hero-desc{font-size:17px;color:var(--c-text-inv-2);margin-bottom:32px;max-width:640px;margin-left:auto;margin-right:auto;line-height:1.7}
.hero-actions{display:flex;gap:14px;margin-bottom:48px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;list-style:none;flex-wrap:wrap;justify-content:center}
.hero-stats li{display:flex;flex-direction:column;align-items:center}
.hero-stats strong{font-size:30px;color:#fff;font-weight:800;letter-spacing:-0.02em}
.hero-stats span{font-size:13px;color:var(--c-text-inv-2);margin-top:2px}

/* trust strip */
.trust-strip{background:#fff;padding:28px 0;color:var(--c-text-light);border-bottom:1px solid var(--c-border)}
.trust-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.trust-item{display:flex;flex-direction:column;gap:2px;align-items:flex-start}
.trust-item strong{color:var(--c-accent);font-size:18px;font-weight:700;letter-spacing:.5px}
.trust-item span{font-size:12px;color:var(--c-text-muted)}

/* section */
.section{padding:90px 0}
.section-alt{background:var(--c-section-alt)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-tag{display:inline-block;color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;padding:5px 14px;background:var(--c-accent-soft);border-radius:var(--radius-pill)}
.section-title{font-size:36px;font-weight:800;color:var(--c-primary);margin-bottom:14px;letter-spacing:-0.02em}
.section-desc{font-size:15px;color:var(--c-text-light)}

/* products */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:32px 26px;transition:all .3s;box-shadow:var(--shadow-sm)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--c-accent-2)}
.product-icon{width:56px;height:56px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;margin-bottom:18px;background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));box-shadow:0 6px 14px rgba(107,70,193,.28);letter-spacing:.5px}
.product-card h3{font-size:19px;color:var(--c-primary);margin-bottom:10px;font-weight:700}
.product-card p{font-size:14px;color:var(--c-text-light);margin-bottom:16px;line-height:1.65}
.product-card ul{list-style:none}
.product-card li{font-size:13px;color:var(--c-text);padding:5px 0;padding-left:22px;position:relative}
.product-card li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-accent-2)}

/* platform */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.platform-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:30px 26px;transition:all .3s;box-shadow:var(--shadow-sm)}
.platform-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--c-accent-2)}
.platform-card h3{font-size:18px;color:var(--c-primary);margin-bottom:10px;font-weight:700}
.platform-card p{font-size:14px;color:var(--c-text-light);margin-bottom:16px;line-height:1.65}
.link-arrow{color:var(--c-accent);font-weight:600;font-size:14px}
.link-arrow:hover{text-decoration:underline}

/* about */
.about-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.about-text p{color:var(--c-text-light);margin-bottom:16px;line-height:1.75}
.about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;list-style:none;margin-top:28px}
.about-list li{background:linear-gradient(135deg,#fff,#f6f4fb);border:1px solid var(--c-border);padding:22px;border-radius:var(--radius);text-align:center}
.about-list strong{display:block;font-size:28px;color:var(--c-accent);font-weight:800;margin-bottom:2px;letter-spacing:-0.02em}
.about-list li{font-size:12px;color:var(--c-text-muted)}
.orbit-card{background:linear-gradient(135deg,#1a1530,#3a2870);border-radius:var(--radius-lg);padding:60px 40px;color:#fff;text-align:center;position:relative;height:340px;overflow:hidden;box-shadow:var(--shadow-lg)}
.orbit-card::before{content:"";position:absolute;inset:30px;border:1px solid rgba(157,140,209,.3);border-radius:50%}
.orbit-card::after{content:"";position:absolute;inset:60px;border:1px dashed rgba(157,140,209,.2);border-radius:50%}
.orbit-points{position:absolute;inset:0}
.orbit-points span{position:absolute;width:10px;height:10px;background:var(--c-accent-light);border-radius:50%;box-shadow:0 0 0 5px rgba(157,140,209,.2),0 0 14px rgba(157,140,209,.6);animation:float 3.5s ease-in-out infinite;z-index:1}
.orbit-points span:nth-child(2){animation-delay:.5s}
.orbit-points span:nth-child(3){animation-delay:1s}
.orbit-points span:nth-child(4){animation-delay:1.5s}
.orbit-points span:nth-child(5){animation-delay:2s}
.orbit-points span:nth-child(6){animation-delay:2.5s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.orbit-title{position:absolute;bottom:36px;left:0;right:0;font-size:12px;color:var(--c-accent-light);letter-spacing:1px}

/* faq */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:var(--c-accent-2)}
.faq-item summary{padding:20px 26px;cursor:pointer;font-weight:600;font-size:15px;color:var(--c-primary);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";width:24px;height:24px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--c-accent-soft);color:var(--c-accent);border-radius:50%;font-size:16px;font-weight:600;transition:transform .2s}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--c-accent);color:#fff}
.faq-answer{padding:0 26px 22px;color:var(--c-text-light);font-size:14px;line-height:1.75}

/* latest news */
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.latest-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:24px;transition:all .3s;box-shadow:var(--shadow-sm)}
.latest-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c-accent-2)}
.latest-card h3{font-size:16px;line-height:1.5;color:var(--c-primary);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:700}
.latest-card h3:hover{color:var(--c-accent)}
.latest-card p{font-size:13px;color:var(--c-text-light);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.latest-card time{font-size:12px;color:var(--c-text-muted)}
.section-more{text-align:center;margin-top:40px}

/* CTA */
.cta{background:linear-gradient(135deg,#1a1530,#3a2870);color:#fff;padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;width:380px;height:380px;background:var(--c-accent);border-radius:50%;filter:blur(120px);opacity:.35;top:-80px;left:50%;transform:translateX(-50%);pointer-events:none}
.cta-inner{position:relative}
.cta h2{font-size:34px;margin-bottom:14px;font-weight:800;letter-spacing:-0.02em}
.cta p{color:var(--c-text-inv-2);margin-bottom:28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.site-footer{background:#0f0b20;color:var(--c-text-inv-2);padding:64px 0 0;border-top:1px solid #1f1840}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .footer-logo{height:36px;width:auto;margin-bottom:16px}
.footer-brand p{font-size:13px;margin-bottom:10px;color:var(--c-text-inv-2)}
.footer-disclaimer{font-size:12px;color:#6b6480;line-height:1.7}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;font-weight:600;letter-spacing:.3px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13px;color:var(--c-text-inv-2);transition:color .2s}
.footer-col a:hover{color:var(--c-accent-light)}
.footer-bottom{border-top:1px solid #1f1840;padding:22px 0;text-align:center;font-size:12px;color:#6b6480;letter-spacing:.3px}

/* ====== 新闻页样式 ====== */
.news-loading,.news-empty,.news-error{padding:40px;text-align:center;color:var(--c-text-light)}
.news-list{list-style:none}
.news-item{border-bottom:1px solid var(--c-border);padding:24px 0;transition:all .2s}
.news-item:hover{background:var(--c-bg-2);padding-left:10px;border-radius:var(--radius)}
.news-item-link{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.news-date{color:var(--c-accent);font-size:13px;font-weight:600;white-space:nowrap;flex-shrink:0;background:var(--c-accent-soft);padding:2px 10px;border-radius:var(--radius-pill)}
.news-title{font-size:18px;font-weight:600;color:var(--c-primary);line-height:1.5;letter-spacing:-0.01em}
.news-item:hover .news-title{color:var(--c-accent)}
.news-preview{color:var(--c-text-light);font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding-left:90px}
.pagination{display:flex;justify-content:center;gap:6px;margin-top:44px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border:1px solid var(--c-border);border-radius:var(--radius-pill);font-size:14px;color:var(--c-text);font-weight:500}
.pagination a:hover{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.pagination .page-cur{background:var(--c-accent);color:#fff;border-color:var(--c-accent);font-weight:700}

/* article */
.news-article{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:48px;box-shadow:var(--shadow)}
.article-title{font-size:32px;line-height:1.4;color:var(--c-primary);margin-bottom:20px;font-weight:800;letter-spacing:-0.02em}
.article-meta{display:flex;gap:18px;color:var(--c-text-light);font-size:13px;padding-bottom:20px;border-bottom:1px solid var(--c-border);margin-bottom:28px;align-items:center}
.article-content{font-size:16px;line-height:1.9;color:var(--c-text)}
.article-content p{margin-bottom:20px}
.article-content p:first-child::first-letter{font-size:42px;font-weight:800;color:var(--c-accent);float:left;line-height:1;margin-right:10px;margin-top:6px}
.article-footer{margin-top:32px;padding-top:22px;border-top:1px solid var(--c-border)}
.back-link{color:var(--c-accent);font-weight:600}

/* page banner */
.page-banner{background:linear-gradient(135deg,#1a1530,#3a2870);color:#fff;padding:70px 0;text-align:center;position:relative;overflow:hidden}
.page-banner::before{content:"";position:absolute;width:320px;height:320px;background:var(--c-accent);border-radius:50%;filter:blur(100px);opacity:.4;top:-50px;left:50%;transform:translateX(-50%);pointer-events:none}
.page-banner h1{font-size:36px;margin-bottom:12px;font-weight:800;position:relative;letter-spacing:-0.02em}
.page-banner p{color:var(--c-text-inv-2);position:relative}
.breadcrumb{font-size:13px;color:var(--c-text-inv-2);margin-top:16px;position:relative}
.breadcrumb a{color:var(--c-accent-light)}

/* news layout */
.news-page-main{padding:64px 0}
.news-page-layout{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.news-sidebar{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:26px;position:sticky;top:90px;box-shadow:var(--shadow-sm)}
.news-sidebar h3{font-size:15px;color:var(--c-primary);margin-bottom:14px;padding-bottom:12px;border-bottom:2px solid var(--c-accent);font-weight:700;letter-spacing:-0.01em}
.news-sidebar ul{list-style:none}
.news-sidebar li{padding:9px 0;border-bottom:1px dashed var(--c-border)}
.news-sidebar a{font-size:13px;line-height:1.5;color:var(--c-text)}
.news-sidebar a:hover{color:var(--c-accent)}

/* responsive */
@media (max-width:960px){
  .hero-inner,.about-inner,.news-page-layout{grid-template-columns:1fr}
  .products-grid,.platform-grid,.latest-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:repeat(2,1fr)}
  .main-nav{display:none}
  .hero-title{font-size:36px}
  .section-title{font-size:28px}
  .hero-stats{gap:24px}
}
@media (max-width:600px){
  .products-grid,.platform-grid,.latest-grid,.footer-inner{grid-template-columns:1fr}
  .top-bar-links{display:none}
  .hero{padding:60px 0}
  .hero-title{font-size:28px}
  .section{padding:60px 0}
  .news-article{padding:20px 16px}
  .article-title{font-size:22px;line-height:1.4}
  .news-page-layout{grid-template-columns:1fr !important}
  .news-sidebar{position:static !important;margin-top:30px}
  .news-item-link{flex-direction:column;align-items:flex-start;gap:4px}
  .news-preview{padding-left:0}
  .news-title{font-size:15px}
  .article-meta{flex-direction:column;align-items:flex-start;gap:6px}
  .article-content{font-size:15px;line-height:1.8}
  .article-content p{margin-bottom:14px}
  .pagination{gap:4px}
  .pagination a,.pagination span{min-width:36px;height:36px;font-size:13px;padding:0 8px}
}