:root{--primary:#7b42d8;--primary-gradient:linear-gradient(90deg, #6939d9, #4b24bc);--dark:#1a2448;--light-bg:#f8f7ff;--border:#d9d9ec;--danger:#d93a3a;--success:#1f9d55;--heading:#111436;--gray-text:#555;--surface:#f9f9fd;--up:#20a050;--down:#e63946}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{color:var(--dark);scroll-behavior:smooth;background-color:#fff}a{color:inherit;text-decoration:none}li,ul{list-style:none}img{max-width:100%;height:auto}button{font:inherit}.brand-text{color:#333;font-size:28px;font-weight:700}.header-wrap{z-index:999;background:#fff;border-bottom:1px solid #f3f4f9;width:100%;position:sticky;top:0}.header-container{justify-content:space-between;max-width:1440px;margin:0 auto;padding:16px 24px}.header-container,.nav-main{align-items:center;display:flex;position:relative}.nav-main{gap:48px}.nav-item{cursor:pointer;padding:6px 4px 22px;font-size:17px;position:relative}.nav-item.active:after{content:"";background-color:var(--primary);width:100%;height:3px;position:absolute;bottom:-8px;left:0}.dropdown-global{background:var(--light-bg);z-index:999;border-radius:12px;align-items:flex-start;gap:60px;min-width:780px;padding:36px 44px;display:flex;position:absolute;top:100%;left:0;box-shadow:0 8px 30px #00000014}.dropdown-left-desc{text-align:center;flex-direction:column;flex-shrink:0;align-items:center;max-width:340px;display:flex}.dropdown-left-desc .icon-circle{width:42px;height:42px;color:var(--primary);background:#e9e4fc;border-radius:50%;justify-content:center;align-items:center;margin-bottom:12px;font-size:20px;display:flex}.dropdown-left-desc h4{text-align:center;margin-bottom:10px;font-size:18px}.dropdown-left-desc p{color:#333;text-align:center;font-size:13px;line-height:1.6}.dropdown-col-wrap{gap:70px;display:flex}.dropdown-col{flex-shrink:0;min-width:180px}.dropdown-col h4{margin-bottom:14px;font-size:18px;font-weight:600}.dropdown-col li{margin-bottom:12px;font-size:16px}.btn-login,.dropdown-col li a:hover,.lang-en:hover{color:var(--primary)}.header-right{align-items:center;gap:18px;display:flex}.lang-en{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:8px;padding:11px 16px;font-size:17px;font-weight:500;transition:all .2s}.lang-en:hover{border-color:var(--primary)}.btn-login{border:1px solid var(--primary);background:#fff}.btn-login,.btn-register{cursor:pointer;border-radius:8px;padding:11px 26px;font-size:17px;font-weight:500}.btn-register{background:var(--primary-gradient);color:#fff;border:none}footer{background-color:var(--light-bg);border-top:1px solid #eee;padding:60px 24px}.footer-container{flex-direction:column;gap:40px;max-width:1440px;margin:0 auto;display:flex}.footer-bottom-row{grid-template-columns:1.3fr 1fr 1fr 1fr 1fr;align-items:start;gap:32px;display:grid}.footer-col h4{margin-bottom:20px;font-size:19px}.footer-col li{margin-bottom:12px;font-size:16px}.footer-col li a:hover{color:var(--primary)}.contact-info p{margin-bottom:12px;line-height:1.6}.section-title{text-align:center;color:var(--heading);margin-bottom:12px;font-size:44px}.section-line{background:var(--heading);width:60px;height:3px;margin:0 auto 24px}.section-desc{text-align:center;max-width:900px;color:var(--gray-text);margin:0 auto 48px;font-size:18px}.icon-tile{width:52px;height:52px;color:var(--primary);background:#efe6ff;border-radius:10px;place-items:center;margin:0 auto 18px;font-size:24px;display:grid}.btn-outline{border:1px solid var(--primary);color:var(--primary);border-radius:8px;padding:10px 26px;display:inline-block}.form-item{margin-bottom:22px}.form-item input{border:1px solid var(--border);border-radius:8px;width:100%;padding:14px 16px;font-size:16px}.form-item input:focus{border-color:var(--primary);outline:none}.auth-submit{background:var(--primary-gradient);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:14px;font-size:17px;font-weight:500}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-error{color:var(--danger);background:#fdeeee}.auth-error,.auth-success{border-radius:8px;margin-bottom:18px;padding:10px 14px;font-size:14px}.auth-success{color:var(--success);background:#e9f7ef}.error-page[data-v-0ff168f9]{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;display:flex}.error-page h1[data-v-0ff168f9]{font-size:64px}.error-page a[data-v-0ff168f9]{color:var(--primary)}