*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:#f6faf9;color:#0f172a;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#f3f4f6,#e5e7eb)}.login-card{width:100%;max-width:420px;background:#fff;border-radius:16px;padding:32px;box-shadow:0 12px 30px #00000014}.login-title{margin:0;font-size:30px;font-weight:700;text-align:center}.login-subtitle{margin:10px 0 24px;text-align:center;color:#6b7280}.login-form{display:flex;flex-direction:column;gap:18px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:600}.form-group input{height:44px;border:1px solid #d1d5db;border-radius:10px;padding:0 14px;font-size:14px;outline:none}.form-group input:focus{border-color:#2563eb}.login-button{height:46px;border:none;border-radius:10px;background:#111827;color:#fff;font-size:15px;font-weight:600;cursor:pointer}.login-error{color:#dc2626;font-size:14px}.login-links{margin-top:18px;display:flex;justify-content:space-between;font-size:14px;color:#2563eb}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.app-sidebar{background:#fff;border-right:1px solid #e5e7eb;padding:18px;z-index:20}.app-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:18px;font-weight:700}.app-logo{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#34d399,#06b6d4)}.app-nav{display:grid;gap:6px;margin-top:6px}.app-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;color:#0f172a}.app-nav a.active{background:#def7ed;color:#065f46;font-weight:600}.app-nav a:hover{background:#f1f5f9}.app-main{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px}.topbar-left{display:flex;align-items:center;gap:10px}.topbar-right{display:flex;justify-content:flex-end;align-items:center;gap:12px}.menu-btn{display:none;border:0;background:#111827;color:#fff;width:42px;height:42px;border-radius:10px;font-size:20px;cursor:pointer}.lang-select{border:0;background:#fff;padding:8px 12px;border-radius:10px;box-shadow:0 6px 18px #0206170f}.mini-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#e2e8f0;font-weight:700}.logout-btn{border:0;background:#ef4444;color:#fff;padding:8px 12px;border-radius:10px;cursor:pointer}.content-wrap{padding:18px;display:grid;gap:18px}.notice-card{display:flex;align-items:flex-start;gap:10px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px;box-shadow:0 6px 18px #0206170f}.notice-dot{width:8px;height:8px;border-radius:50%;background:#f59e0b;margin-top:7px}.notice-blue-card .notice-dot{background:#38bdf8}.muted-text{color:#64748b;font-size:14px}.hero-card{background:linear-gradient(180deg,#ecfeff,#f6fff9);border-radius:16px;box-shadow:0 6px 18px #0206170f;padding:18px}.hero-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}.hero-user{display:flex;align-items:center;gap:14px}.hero-avatar{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#22d3ee,#10b981);display:grid;place-items:center;color:#fff;font-weight:800}.hero-user h2{margin:0 0 4px;font-size:20px}.user-tag{font-size:12px;color:#059669;background:#d1fae5;padding:3px 8px;border-radius:20px;margin-left:8px}.hero-balance{display:flex;align-items:center;gap:12px}.hero-num{font:700 22px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:#059669}.primary-btn{border:0;background:#10b981;color:#fff;padding:10px 14px;border-radius:12px;cursor:pointer}.primary-btn:hover{filter:brightness(.95)}.outline-btn{background:#fff;border:1px solid #10b981;color:#065f46;padding:10px 14px;border-radius:10px;cursor:pointer}.outline-btn:hover{background:#ecfdf5}.dashboard-list{display:grid;gap:16px}.dashboard-item{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px;box-shadow:0 6px 18px #0206170f;display:grid;grid-template-columns:1fr auto;align-items:center}.item-title{font-weight:600}.item-value{font:800 18px/1 ui-monospace,SFMono-Regular,Menlo,monospace;margin-left:6px}.hero-grid-card{background:linear-gradient(180deg,#ecfeff,#f6fff9);border-radius:16px;box-shadow:0 6px 18px #0206170f;padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.stat-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:14px 16px}.stat-title{color:#334155;font-weight:600}.stat-value{font:800 22px/1 ui-monospace,SFMono-Regular,Menlo,monospace;margin-top:6px}.panel-card,.contact-section{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px;box-shadow:0 6px 18px #0206170f}.region-wrap{display:flex;flex-wrap:wrap;gap:10px}.region-chip{padding:6px 12px;border-radius:999px;border:1px solid #e5e7eb;background:#fff;cursor:pointer}.region-chip.selected{background:#ecfdf5;border-color:#10b981;color:#065f46;font-weight:600}.tip-text{font-size:13px;color:#64748b;margin-top:10px}.generate-row{margin-top:12px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.subscribe-row{display:flex;gap:10px;align-items:center;margin-top:8px;flex-wrap:wrap}.subscribe-link{flex:1;border:1px dashed #e5e7eb;background:#f8fafc;padding:10px 12px;border-radius:10px;font:14px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}.buy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.buy-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px;text-align:center;box-shadow:0 6px 18px #0206170f}.price{color:#0f172a;font:800 26px/1 ui-monospace,SFMono-Regular,Menlo,monospace;margin:6px 0 8px}.small-text{font-size:13px;color:#64748b;margin-top:6px}.buy-btn-wrap{margin-top:12px}.tabs-row{display:flex;flex-wrap:wrap;gap:10px}.tab-btn{padding:8px 14px;border-radius:999px;border:1px solid #e5e7eb;background:#fff;cursor:pointer}.tab-btn.active{background:#ecfdf5;border-color:#10b981;color:#065f46;font-weight:600}.sub-tabs-row{margin-bottom:-6px}.tutorial-card h3{margin:0 0 10px;font-size:18px}.steps-grid{display:grid;gap:18px}.step-title{font-weight:700;margin:0 0 6px}.img-holder{display:grid;place-items:center;margin-top:8px}.tutorial-img{max-width:100%;width:480px;height:auto;border:1px solid #e5e7eb;border-radius:10px;box-shadow:0 6px 18px #0206170f}.placeholder-box{display:grid;place-items:center;height:160px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:10px;color:#64748b}.contact-title{margin:0 0 10px;font-size:16px}.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.contact-card{background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;padding:14px;display:grid;gap:10px;justify-items:center}.contact-label{font-weight:700}.qr-image{width:160px;height:160px;border-radius:12px;background:#fff;border:1px solid #e2e8f0;object-fit:cover}.contact-account-row{display:flex;gap:8px;align-items:center;word-break:break-all}.copy-btn{background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:6px 10px;cursor:pointer}.copy-btn:hover{background:#eef2f7}.sidebar-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#02061759;z-index:10}@media (max-width: 1024px){.app-shell{grid-template-columns:80px 1fr}.app-brand span,.nav-text{display:none}.hero-grid-card,.buy-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr 1fr}}@media (max-width: 720px){.app-shell{grid-template-columns:1fr}.app-sidebar{position:fixed;top:0;left:-260px;width:240px;height:100vh;transition:left .25s ease;box-shadow:0 10px 30px #0000001f}.app-sidebar.open{left:0}.app-brand span,.nav-text{display:inline}.menu-btn{display:inline-grid;place-items:center}.hero-row{grid-template-columns:1fr}.hero-balance{justify-content:space-between}.dashboard-item{grid-template-columns:1fr;gap:12px}.subscribe-row{flex-direction:column;align-items:stretch}.contact-grid{grid-template-columns:1fr}}.supports-page{padding:20px}.supports-header{text-align:center;margin-bottom:20px}.supports-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:20px}.supports-tabs button{padding:8px 16px;border:none;border-radius:8px;background:#e5e7eb;cursor:pointer}.supports-tabs button.active{background:#111827;color:#fff}.supports-content{max-width:900px;margin:0 auto}.tutorial section{margin-bottom:30px}.tutorial img{width:100%;max-width:400px;display:block;margin:10px 0;border-radius:10px}.faq-item{margin-bottom:20px}.contact-item{margin-bottom:10px}