:root{
    --purple:#6b3fa0;--purple-dark:#3d1f5c;--purple-light:#f4f1fa;--purple-mid:#8b5cf6;
    --text:#2d1b3d;--muted:#6b5b7d;--white:#fff;--radius:12px;--shadow:0 4px 20px rgba(61,31,92,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:#faf8ff;line-height:1.7;font-size:16px}
body.nav-open{overflow:hidden}
a{color:var(--purple);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

.top-contact-bar{background:var(--purple-light);border-bottom:1px solid #e6ddf3;font-size:13px;color:var(--muted)}
.top-contact-inner{display:flex;justify-content:flex-end;gap:24px;padding:7px 20px}
.copy-btn{background:none;border:none;color:var(--purple);cursor:pointer;font-size:13px;padding:0;font-family:inherit}
.copy-btn:hover{text-decoration:underline}

.site-header{background:var(--white);border-bottom:1px solid #ece5f5;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(61,31,92,.04)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--purple-dark);text-decoration:none;flex-shrink:0}
.logo-mark{background:linear-gradient(135deg,var(--purple),var(--purple-mid));color:#fff;padding:5px 10px;border-radius:8px;font-size:15px;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.main-nav>a,.nav-dropdown>a{display:block;padding:9px 14px;border-radius:8px;font-size:15px;color:var(--text);font-weight:500;text-decoration:none;white-space:nowrap}
.main-nav>a:hover,.main-nav>a.active,.nav-dropdown>a:hover,.nav-dropdown>a.active{background:var(--purple-light);color:var(--purple)}
.nav-dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border-radius:10px;box-shadow:var(--shadow);padding:8px;min-width:180px;border:1px solid #eee7f7;z-index:1001}
.nav-dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:7px;font-size:14px;color:var(--text);white-space:nowrap}
.dropdown-menu a:hover{background:var(--purple-light);color:var(--purple)}
.cat-icon{font-size:16px}
.header-actions{display:flex;gap:10px;flex-shrink:0}
.btn{display:inline-block;padding:9px 20px;border-radius:8px;font-size:14px;font-weight:600;text-align:center;cursor:pointer;border:1px solid transparent;transition:.2s;text-decoration:none}
.btn-primary{background:var(--purple);color:#fff;border-color:var(--purple)}
.btn-primary:hover{background:var(--purple-dark);border-color:var(--purple-dark)}
.btn-outline{background:#fff;color:var(--purple);border-color:#d4c4e8}
.btn-outline:hover{background:var(--purple-light)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-lg{padding:13px 28px;font-size:16px;border-radius:10px}
.mobile-menu-toggle{display:none;background:none;border:none;font-size:24px;color:var(--purple-dark);cursor:pointer;padding:6px;line-height:1}

/* Hero */
.hero{background:linear-gradient(135deg,var(--purple-dark) 0%,#5a2e82 55%,#7a48a8 100%);color:#fff;padding:70px 0 80px}
.hero-inner{display:flex;align-items:center;gap:50px}
.hero-text{flex:1.2}
.hero-text h1{font-size:38px;line-height:1.25;margin-bottom:18px;font-weight:800}
.hero-text p{font-size:17px;opacity:.9;margin-bottom:28px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{flex:.8;display:flex;flex-direction:column;gap:14px;align-items:center}
.hero-card{background:rgba(255,255,255,.12);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.2);padding:16px 24px;border-radius:12px;display:flex;align-items:center;gap:12px;font-size:18px;width:230px;justify-content:center}
.hero-card span{font-size:15px}

.section{padding:64px 0}
.section-alt{background:var(--purple-light)}
.section-title{font-size:28px;color:var(--purple-dark);margin-bottom:8px;font-weight:800;text-align:center}
.section-sub{text-align:center;color:var(--muted);margin-bottom:36px;font-size:15px}
.section-head-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;flex-wrap:wrap;gap:10px}
.section-head-row .section-title{margin-bottom:0;text-align:left}
.section-more{color:var(--purple);font-size:14px;font-weight:600}
.content-narrow{max-width:860px;margin:0 auto}
.page-hero{background:linear-gradient(135deg,var(--purple-dark),#5a2e82);color:#fff;padding:48px 0 42px}
.page-hero h1{font-size:30px;margin-bottom:8px;font-weight:800}
.page-hero p{opacity:.88;font-size:15px;max-width:720px}
.breadcrumb{font-size:13px;opacity:.8;margin-bottom:10px}
.breadcrumb a{color:#e6d9ff}

/* 首页平台介绍 */
.intro-block{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.intro-block h2{font-size:26px;color:var(--purple-dark);margin-bottom:16px;font-weight:800}
.intro-block p{color:var(--muted);margin-bottom:14px;font-size:15px;line-height:1.9}
.intro-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.intro-stat{background:#fff;border-radius:12px;padding:22px;text-align:center;box-shadow:var(--shadow);border:1px solid #eee7f7}
.intro-stat strong{display:block;font-size:28px;color:var(--purple);margin-bottom:4px}
.intro-stat span{font-size:13px;color:var(--muted)}

/* 首页产品介绍 */
.product-intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.product-intro-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid #eee7f7;display:flex;gap:18px;align-items:flex-start}
.product-intro-icon{font-size:34px;line-height:1;flex-shrink:0}
.product-intro-card h3{font-size:18px;color:var(--purple-dark);margin-bottom:8px}
.product-intro-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:10px}
.product-intro-card a{font-size:14px;font-weight:600}

/* 全球办公室分布图 */
.office-section{background:linear-gradient(135deg,#3d1f5c,#5a2e82);color:#fff;padding:70px 0;position:relative;overflow:hidden}
.office-section::before{content:"";position:absolute;inset:0;background:
    radial-gradient(circle at 18% 30%,rgba(139,92,246,.35),transparent 22%),
    radial-gradient(circle at 72% 42%,rgba(139,92,246,.3),transparent 20%),
    radial-gradient(circle at 50% 78%,rgba(139,92,246,.28),transparent 18%);
    pointer-events:none}
.office-section .container{position:relative;z-index:1}
.office-section h2{color:#fff;text-align:center;font-size:28px;margin-bottom:8px}
.office-section .section-sub{color:rgba(255,255,255,.75)}
.office-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:30px}
.office-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:20px;backdrop-filter:blur(4px)}
.office-card h3{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.office-card p{font-size:13px;color:rgba(255,255,255,.78);line-height:1.7}

/* 产品卡片（总览 & 首页） */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.product-card{background:#fff;border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);border:1px solid #eee7f7;text-decoration:none;color:var(--text);transition:.25s;display:block}
.product-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(61,31,92,.14);border-color:#d8c6f0}
.product-card-icon{font-size:32px;display:block;margin-bottom:12px}
.product-card h3,.product-card h2{font-size:18px;color:var(--purple-dark);margin-bottom:8px}
.product-card p{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:14px}
.product-card-more{font-size:14px;color:var(--purple);font-weight:600}

/* 特性 / 优势 */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
.feature-item{background:#fff;border-radius:var(--radius);padding:26px 22px;text-align:center;box-shadow:var(--shadow);border:1px solid #eee7f7}
.feature-item span{font-size:30px;display:block;margin-bottom:10px}
.feature-item h3{font-size:17px;color:var(--purple-dark);margin-bottom:8px}
.feature-item p{font-size:14px;color:var(--muted)}

/* 关于页 */
.about-highlights{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin:22px 0 30px}
.about-highlights>div{background:var(--purple-light);border-radius:10px;padding:18px;text-align:center}
.about-highlights strong{display:block;font-size:24px;color:var(--purple)}
.about-highlights span{font-size:13px;color:var(--muted)}
.regulatory-box{background:#fff;border-left:4px solid var(--purple);border-radius:8px;padding:22px 24px;box-shadow:var(--shadow);margin:22px 0}
.regulatory-box h3{font-size:18px;color:var(--purple-dark);margin-bottom:10px}
.regulatory-box p{font-size:14px;color:var(--muted);line-height:1.9;margin-bottom:8px}

/* 发展历程横栏 */
.timeline-h{position:relative;margin-top:30px}
.timeline-scroll{display:flex;gap:18px;overflow-x:auto;padding:8px 4px 18px;scroll-snap-type:x mandatory}
.timeline-scroll::-webkit-scrollbar{height:6px}
.timeline-scroll::-webkit-scrollbar-thumb{background:#d4c4e8;border-radius:3px}
.timeline-item{flex:0 0 240px;background:#fff;border-radius:12px;padding:22px;box-shadow:var(--shadow);border-top:4px solid var(--purple);scroll-snap-align:start}
.timeline-item .year{font-size:22px;font-weight:800;color:var(--purple);margin-bottom:8px}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* 开户流程 */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:30px}
.step-card{background:#fff;border-radius:12px;padding:26px 22px;box-shadow:var(--shadow);border:1px solid #eee7f7;position:relative}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--purple);color:#fff;font-weight:800;margin-bottom:14px}
.step-card h3{font-size:16px;color:var(--purple-dark);margin-bottom:8px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* 产品详情页 */
.product-hero{padding:48px 0 42px}
.product-info-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:start}
.product-info-text h2{font-size:24px;color:var(--purple-dark);margin-bottom:14px}
.product-info-text p{font-size:15px;color:var(--muted);line-height:1.95;margin-bottom:12px}
.advantage-list{list-style:none;display:grid;gap:12px;margin-top:16px}
.advantage-list li{background:#fff;border-radius:10px;padding:16px 18px;box-shadow:var(--shadow);border:1px solid #eee7f7;font-size:14px;color:var(--text);line-height:1.7;display:flex;gap:10px;align-items:flex-start}
.advantage-list li::before{content:"✔";color:var(--purple);font-weight:800;flex-shrink:0}

.table-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #eee7f7}
.product-table{width:100%;border-collapse:collapse;font-size:14px;min-width:600px}
.product-table th,.product-table td{padding:12px 14px;text-align:left;border-bottom:1px solid #f0ebf7}
.product-table th{background:var(--purple-light);color:var(--purple-dark);font-weight:600}
.product-table tr:last-child td{border-bottom:none}

/* FAQ */
.faq-list{max-width:900px;margin:24px auto 0;display:grid;gap:12px}
.faq-item{background:#fff;border-radius:10px;border:1px solid #eee7f7;box-shadow:var(--shadow);overflow:hidden}
.faq-question{width:100%;text-align:left;background:none;border:none;padding:18px 22px;font-size:15px;font-weight:600;color:var(--purple-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:inherit}
.faq-question::after{content:"+";font-size:20px;color:var(--purple);transition:.2s}
.faq-item.open .faq-question::after{content:"−"}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-answer p{font-size:14px;color:var(--muted);line-height:1.9;padding:0 0 18px}

/* 全宽立即开户横幅（左右不留白） */
.cta-banner{background:linear-gradient(135deg,var(--purple),var(--purple-mid));color:#fff;padding:44px 0;text-align:center;width:100%}
.cta-banner h2{font-size:26px;margin-bottom:10px;font-weight:800}
.cta-banner p{opacity:.9;margin-bottom:22px;font-size:15px}
.cta-banner .btn{background:#fff;color:var(--purple);border:none;padding:14px 40px;font-size:17px;font-weight:800;border-radius:30px;box-shadow:0 6px 18px rgba(0,0,0,.15)}
.cta-banner .btn:hover{background:#f4eefe}

/* 新闻中心 */
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.news-list-h{display:flex;flex-direction:column;gap:18px}
.news-row{background:#fff;border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);border:1px solid #eee7f7;display:flex;justify-content:space-between;gap:24px;transition:.2s}
.news-row:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(61,31,92,.1);border-color:#d8c6f0}
.news-row-main{flex:1;min-width:0}
.news-row h2{font-size:17px;color:var(--purple-dark);margin-bottom:8px;line-height:1.5}
.news-row h2 a{color:inherit}
.news-row .news-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-meta{display:flex;gap:16px;font-size:13px;color:#9a8aab;flex-wrap:wrap}
.news-meta span{display:inline-flex;align-items:center;gap:4px}
.news-side{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid #eee7f7;position:sticky;top:90px}
.news-side h3{font-size:17px;color:var(--purple-dark);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid #f0ebf7;display:flex;align-items:center;gap:8px}
.hot-list{list-style:none;display:grid;gap:12px}
.hot-list li a{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.6;text-decoration:none}
.hot-list li a:hover{color:var(--purple)}
.hot-rank{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:var(--purple-light);color:var(--purple);font-size:12px;font-weight:800;flex-shrink:0}
.hot-list li:nth-child(1) .hot-rank{background:var(--purple);color:#fff}
.hot-list li:nth-child(2) .hot-rank{background:#8b5cf6;color:#fff}
.hot-list li:nth-child(3) .hot-rank{background:#a78bfa;color:#fff}
.hot-views{font-size:12px;color:#9a8aab;margin-left:auto;flex-shrink:0}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.pagination a{padding:7px 14px;border-radius:7px;border:1px solid #ddd0ea;background:#fff;color:var(--purple);font-size:14px}
.pagination a.current{background:var(--purple);color:#fff;border-color:var(--purple)}

/* 联系页 */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.contact-info h2,.contact-wechat-box h2{font-size:22px;color:var(--purple-dark);margin-bottom:20px}
.contact-item{display:flex;align-items:center;gap:14px;margin-bottom:16px;font-size:15px;flex-wrap:wrap}
.contact-label{font-weight:600;color:var(--purple-dark);min-width:56px}
.contact-wechat-box{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);border:1px solid #eee7f7;text-align:center}
.qrcode-wrap{display:flex;justify-content:center;margin:18px 0}
.qrcode-wrap img{border-radius:10px;border:1px solid #eee}
.wechat-id{font-size:15px;margin-bottom:6px}
.wechat-tip{font-size:13px;color:var(--muted)}
.service-team{margin-top:60px}
.service-team h2{font-size:26px;color:var(--purple-dark);margin-bottom:12px;text-align:center}
.service-team>p{text-align:center;color:var(--muted);margin-bottom:30px;max-width:760px;margin-left:auto;margin-right:auto}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.service-card{background:#fff;border-radius:12px;padding:26px;box-shadow:var(--shadow);border:1px solid #eee7f7;text-align:center}
.service-card .icon{font-size:34px;display:block;margin-bottom:12px}
.service-card h3{font-size:17px;color:var(--purple-dark);margin-bottom:8px}
.service-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* 文章页 */
.article-page{padding:40px 0 70px}
.article-page h1{font-size:28px;color:var(--purple-dark);margin:10px 0 14px;line-height:1.35}
.article-meta{display:flex;gap:18px;font-size:13px;color:#9a8aab;margin-bottom:24px;flex-wrap:wrap}
.article-cover{width:100%;border-radius:var(--radius);margin-bottom:24px;max-height:420px;object-fit:cover}
.article-content{font-size:16px;line-height:1.9;color:var(--text)}
.article-content br{line-height:2.1}
.article-back{margin-top:36px}

/* 404 */
.error-page{padding:90px 0}
.error-code{font-size:96px;font-weight:900;color:var(--purple);line-height:1;margin-bottom:10px}
.error-page h1{font-size:24px;color:var(--purple-dark);margin-bottom:12px}
.error-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.empty-tip{text-align:center;color:var(--muted);padding:30px 0}

/* 底部 */
.site-footer{background:var(--white);border-top:1px solid #ece5f5;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:36px;padding:48px 0 36px}
.footer-col h4{font-size:16px;color:var(--purple-dark);margin-bottom:14px}
.footer-col p,.footer-col a{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;text-decoration:none}
.footer-col a:hover{color:var(--purple)}
.footer-note{font-size:12px;color:#9a8aab;margin-top:12px;line-height:1.6}
.footer-bottom{border-top:1px solid #f0ebf7;padding:16px 0;font-size:13px;color:#9a8aab;text-align:center}
.footer-sep{margin:0 8px}
.mobile-bottom-bar{display:none}

.copy-toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--purple-dark);color:#fff;padding:9px 18px;border-radius:20px;font-size:14px;z-index:9999;opacity:0;pointer-events:none;transition:.25s}
.copy-toast.show{opacity:1}

/* 响应式 */
@media(max-width:960px){
    .hero-inner{flex-direction:column;text-align:center}
    .hero-text p{margin-left:auto;margin-right:auto}
    .hero-actions{justify-content:center}
    .contact-layout{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .hero-text h1{font-size:30px}
    .intro-block,.product-info-grid,.news-layout{grid-template-columns:1fr}
    .news-side{position:static}
}
@media(max-width:760px){
    body{padding-bottom:64px}
    .main-nav{
        display:none;
        position:absolute;
        top:100%;
        left:0;
        right:0;
        background:#fff;
        flex-direction:column;
        padding:12px 16px 22px;
        box-shadow:0 16px 30px rgba(61,31,92,.16);
        border-top:1px solid #eee7f7;
        gap:2px;
        z-index:1500;
        max-height:calc(100vh - 64px);
        overflow-y:auto;
    }
    .main-nav.open{display:flex}
    .main-nav>a,.nav-dropdown>a{width:100%;padding:12px 12px;font-size:15px}
    .nav-dropdown{width:100%}
    .dropdown-menu{display:block;position:static;transform:none;box-shadow:none;border:none;padding:0 0 0 16px;background:transparent;min-width:0}
    .dropdown-menu a{padding:8px 10px;font-size:14px}
    .header-actions{display:none}
    .mobile-menu-toggle{display:block;margin-left:auto}
    .hero{padding:48px 0 56px}
    .hero-text h1{font-size:26px}
    .section{padding:44px 0}
    .section-title{font-size:23px}
    .page-hero h1{font-size:24px}
    .footer-grid{grid-template-columns:1fr;gap:26px;padding:36px 0 26px}
    .top-contact-inner{justify-content:center;gap:16px;font-size:12px;flex-wrap:wrap}
    .product-grid{grid-template-columns:1fr 1fr}
    .product-intro-grid,.office-grid,.steps-grid,.service-grid{grid-template-columns:1fr}
    .news-row{flex-direction:column;gap:12px}
    .article-page h1{font-size:23px}
    .error-code{font-size:72px}
    .cta-banner h2{font-size:21px}
    .cta-banner .btn{padding:12px 30px;font-size:16px}
    .mobile-bottom-bar{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #ece5f5;padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:10px;z-index:2000;box-shadow:0 -4px 16px rgba(61,31,92,.08)}
    .mobile-btn{flex:1;text-align:center;padding:11px 8px;border-radius:8px;font-size:15px;font-weight:700;text-decoration:none}
    .mobile-btn-primary{background:var(--purple);color:#fff}
    .mobile-btn-outline{background:#fff;color:var(--purple);border:1px solid #d4c4e8}
}
@media(max-width:420px){
    .product-grid{grid-template-columns:1fr}
    .hero-card{width:100%}
}