.custom-container{margin-left:auto;margin-right:auto;padding-left:15px;padding-right:15px}@media only screen and (min-width:1400px){.custom-container{max-width:500px}}.app-top{background-color:#2f3bc6}.app-logo{width:110px;height:auto;border-radius:24px;box-shadow:0 10px 30px rgba(0,0,0,.3)}:root{--brand-color:#5865f2;--brand-hover:#4752c4;--bg-light:#f8f9fa}.btn-brand{background-color:var(--brand-color);border-color:var(--brand-color);color:#fff;font-weight:700;padding:12px;border-radius:12px;transition:all 0.3s ease;box-shadow:0 4px 12px rgba(88,101,242,.2)}.btn-brand:hover{background-color:var(--brand-hover);transform:translateY(-1px)}.custom-tabs-container{padding:15px;background-color:var(--bg-light);border-radius:16px}.nav-pills .nav-link{color:#666;font-weight:700;border-radius:10px;padding:10px}.nav-pills .nav-link.active{background-color:var(--brand-color)!important}.tab-content{background:#fff;border-radius:12px;padding:20px;margin-top:12px;box-shadow:0 4px 15px rgba(0,0,0,.03)}.custom-list-group{border-radius:16px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.03);border:1px solid #eee}.custom-list-item{border:none;border-bottom:1px solid #f8f8f8;padding:16px 20px;display:flex;align-items:center;text-decoration:none;color:#333;background:#fff}.custom-list-item:active{background-color:#f0f2ff}.list-icon{width:36px;height:36px;background:#f0f2ff;color:var(--brand-color);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-right:15px;font-size:1.2rem}.list-text{flex-grow:1;font-weight:600;font-size:.95rem}.list-arrow{color:#ccc}.concept-section{background:linear-gradient(135deg,#f3f5ff 0%,#ffffff 100%);border-radius:20px;padding:35px 25px;position:relative;overflow:hidden;border:1px solid rgba(88,101,242,.08)}.concept-section::before{content:"“";position:absolute;top:-10px;left:15px;font-size:7rem;color:rgba(88,101,242,.05);font-family:serif}.concept-icon-wrap{width:54px;height:54px;background-color:var(--brand-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 6px 15px rgba(88,101,242,.25);position:relative}.concept-title-new{color:var(--brand-color);font-weight:800;font-size:1.3rem;margin-bottom:15px}.text-highlight{background:linear-gradient(transparent 70%,#fff0b3 70%);padding:0 2px}.concept-text-new{color:#444;line-height:1.7;font-size:.95rem}.concept-lead{font-weight:700;color:#222}.faq-item{transition:transform 0.2s}.faq-item:hover{background-color:#f0f2ff!important}.btn-outline-brand{color:var(--brand-color);border-color:var(--brand-color)}.btn-outline-brand:hover{background-color:var(--brand-color);color:#fff}