:root{--primary: #ff7519;--primary-dark: #e5650a;--primary-light: #ff8c3a;--accent: #f59e0b;--text-main: #1f2937;--text-secondary: #4b5563;--text-muted: #9ca3af;--bg-white: #ffffff;--bg-light: #f8fafc;--bg-gray: #f1f5f9;--border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);--radius: 12px;--radius-lg: 16px;--max-width: 1200px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.6;color:var(--text-main);background:var(--bg-light)}a{text-decoration:none;transition:all .2s}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.clearfix::after{content:"";display:table;clear:both}.header{background:var(--bg-white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header .header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}.header .brand{display:flex;align-items:center;gap:12px}.header .brand .logo{width:48px;height:48px;border-radius:10px}.header .brand .brand-text{font-size:22px;font-weight:700;color:var(--text-main);letter-spacing:-0.5px}.header .header-links{display:flex;gap:28px}.header .header-links .header-link{font-size:14px;font-weight:500;color:var(--text-secondary);padding:8px 12px;border-radius:8px}.header .header-links .header-link:hover{color:var(--primary);background:var(--bg-light)}.nav{background:var(--bg-white);border-bottom:1px solid var(--border)}.nav .nav-menu{display:flex;gap:4px;list-style:none}.nav .nav-menu-item{position:relative}.nav .nav-menu-item .nav-link{display:flex;align-items:center;gap:4px;padding:16px 20px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:8px;margin:4px 0}.nav .nav-menu-item .nav-link:hover{color:var(--primary);background:var(--bg-light)}.nav .nav-menu-item .nav-link i{font-size:12px;opacity:.6}.nav .nav-menu-child{position:absolute;top:calc(100% + 4px);left:0;min-width:220px;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .2s ease;list-style:none;z-index:10}.nav .nav-menu-item:hover .nav-menu-child{opacity:1;visibility:visible;transform:translateY(0)}.nav .nav-menu-child li .nav-link{padding:10px 16px;margin:2px 0;font-size:14px;border-radius:6px}.tool-box{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:20px;overflow:hidden;transition:box-shadow .3s}.tool-box:hover{box-shadow:var(--shadow-lg)}.tool-box .tool-title{padding:18px 24px;font-size:16px;font-weight:600;color:var(--text-main);background:linear-gradient(135deg, var(--bg-light) 0%, var(--bg-gray) 100%);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.tool-box .tool-title::before{content:"";width:4px;height:18px;background:var(--primary);border-radius:2px}.tool-box ul{list-style:none;display:flex;flex-wrap:wrap;padding:8px;gap:4px}.tool-cell{display:inline-block;padding:20px 32px;margin:4px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);text-align:center;transition:background .2s;min-width:140px}.tool-cell:hover{background:var(--bg-light)}.tool-cell .nav-link{color:var(--primary) !important;font-weight:500;font-size:14px}.tool-cell .nav-link:hover{color:var(--primary-dark) !important}.tool-cell img.app-icon{width:64px;height:64px;border-radius:16px;margin-bottom:10px;box-shadow:var(--shadow-sm)}.box{display:flex;padding:24px;gap:24px}.box-item{flex:1;text-align:center;padding:24px;background:linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);border-radius:var(--radius);border:1px solid var(--border)}.coin-title{font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.coin-money{font-size:36px;font-weight:800;color:var(--primary)}.coin-money span{font-size:24px;font-weight:600}.index-block{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:24px;padding:40px;overflow:hidden}.index-block .monero-video{width:55%;float:left;padding-right:40px}.index-block .monero-video video{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}.index-block .description{width:45%;float:left;padding:20px 0}.index-block .description .title{font-size:36px;font-weight:800;color:var(--text-main);margin-bottom:16px;line-height:1.2}.index-block .description .desc{font-size:20px;color:var(--primary);font-weight:600;margin-bottom:20px}.index-block .description .detail-text{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:24px}.why-title{font-size:28px;font-weight:700;color:var(--text-main);text-align:center;margin-bottom:40px}.why-item{display:flex;align-items:center;margin-bottom:40px;gap:40px}.why-item:nth-child(even){flex-direction:row-reverse}.why-cell{flex:1;font-size:15px;color:var(--text-secondary);line-height:1.8}.why-cell .why-cell-title{font-size:20px;font-weight:700;color:var(--text-main);margin-bottom:12px}.why-cell img.main-icon{max-width:200px;height:auto;border-radius:var(--radius)}.index-row{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-bottom:24px;list-style:none}.cell{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);padding:32px}.cell-title{font-size:20px;font-weight:700;color:var(--text-main);margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--border)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:15px;font-weight:600;color:var(--primary);background:var(--bg-white);border:2px solid var(--primary);border-radius:10px;cursor:pointer;transition:all .2s;margin:8px}.btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}.btn-solid{background:var(--primary);color:#fff}.btn-solid:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.btns{margin:16px 0}.all-downloas{color:var(--primary);font-weight:500}.news-list{margin-bottom:20px}.news-link{display:block;padding:14px 0;color:var(--text-secondary);font-size:14px;border-bottom:1px solid var(--border);transition:all .2s}.news-link:hover{color:var(--primary);padding-left:8px}.more-news{text-align:right;margin-top:16px}.more-news .news-link{display:inline-block;color:var(--primary);font-weight:600;border:none}.footer{background:var(--bg-white);border-top:1px solid var(--border);padding:48px 0 32px;margin-top:48px}.footer .footer-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:32px;margin-bottom:40px}.footer-item .footer-item-title{font-size:14px;font-weight:700;color:var(--text-main);margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}.footer-item .footer-link{display:block;padding:8px 0;font-size:14px;color:var(--text-secondary);transition:all .2s}.footer-item .footer-link:hover{color:var(--primary);padding-left:4px}.footer .document{text-align:center;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}.footer .document a{color:var(--text-muted)}.footer .document a:hover{color:var(--primary)}.tools-chat{position:fixed;bottom:32px;right:32px;width:60px;height:60px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;cursor:pointer;box-shadow:var(--shadow-lg);transition:all .3s;z-index:99;border:none}.tools-chat:hover{background:var(--primary-dark);transform:translateY(-4px) scale(1.05);box-shadow:0 20px 25px -5px rgba(0,0,0,.2)}.contact-block{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);padding:48px;margin-top:48px}.contact-block .contact-title{text-align:center;font-size:28px;font-weight:700;color:var(--text-main);margin-bottom:32px}.contact-block .contact-imgs{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}.contact-block .img-box{text-align:center}.contact-block .img-box .img-desc{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:16px}.contact-block .img-box .contact-image{width:180px;height:180px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .3s}.contact-block .img-box .contact-image:hover{transform:scale(1.03)}@media(max-width: 768px){.header .header-links{display:none}.nav .nav-menu{flex-wrap:wrap}.nav .nav-menu-item{flex:1 1 50%}.index-block .monero-video,.index-block .description{width:100%;float:none;padding:0}.index-block .monero-video{margin-bottom:24px}.why-item,.why-item:nth-child(even){flex-direction:column}.index-row{grid-template-columns:1fr}.footer .footer-grid{grid-template-columns:repeat(2, 1fr)}.box{flex-direction:column}}@media(max-width: 480px){.footer .footer-grid{grid-template-columns:1fr}.tool-cell{width:100% !important;border-right:none}}