#root{width:100%;min-height:100vh;margin:0;padding:0;text-align:center;place-items:center;overflow-x:hidden}*{box-sizing:border-box}body{margin:0;padding:0;overflow-x:hidden;width:100%}.app-layout{display:flex;width:100%;min-height:100vh;overflow-x:hidden;background:var(--color-bg-secondary)}.main-content{flex:1;display:flex;flex-direction:column;margin-left:240px;transition:margin-left var(--transition-base);background-color:var(--color-bg-secondary);min-height:100vh;width:calc(100% - 240px);overflow-x:hidden}.main-content.expanded{margin-left:70px;transition:margin-left var(--transition-base);width:calc(100% - 70px)}.mainMap{flex:1;display:flex;flex-direction:column}.view-header{display:flex;justify-content:space-between;align-items:center;padding:20px 30px;background:var(--color-bg-primary);box-shadow:var(--shadow-sm);z-index:100;border-bottom:1px solid var(--color-border)}.view-header h2{margin:0;color:var(--color-text-primary);font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--color-text-primary) 0%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.view-switcher{display:flex;gap:12px;padding:8px;border-radius:var(--radius-lg);background:var(--color-bg-secondary)}.view-btn{display:flex;align-items:center;gap:8px;transition:all var(--transition-fast);padding:10px 16px;border-radius:var(--radius-md);font-weight:500}.view-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);background:var(--color-bg-tertiary)}.sidebar{width:240px;height:100vh;background:linear-gradient(180deg,var(--color-bg-primary-dark) 0%,#1a202c 100%);color:#fff;transition:width var(--transition-base);overflow:hidden;display:flex;flex-direction:column;position:fixed;left:0;top:0;z-index:1000;box-shadow:var(--shadow-lg)}.sidebar.collapsed{width:70px}.sidebar-header{padding:20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo{display:flex;align-items:center;gap:12px;font-size:1.2rem;font-weight:700;color:var(--color-primary-light);transition:all var(--transition-base)}.sidebar-logo svg{font-size:1.5rem}.logo-text{white-space:nowrap;opacity:1;transition:opacity var(--transition-base)}.sidebar.collapsed .logo-text{opacity:0;width:0;overflow:hidden}.toggle-btn{background:#ffffff1a;border:none;color:#fff;cursor:pointer;font-size:1.1rem;padding:8px;border-radius:var(--radius-md);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.toggle-btn:hover{background:#fff3;transform:scale(1.1)}.nav-buttons{display:flex;flex-direction:column;gap:8px;padding:20px 12px;flex:1}.nav-btn_col{display:flex;align-items:center;padding:12px 16px;border-radius:var(--radius-md);color:#fffc!important;background-color:transparent!important;border:none!important;cursor:pointer;text-align:left;transition:all var(--transition-fast);justify-content:flex-start;position:relative;overflow:hidden;box-shadow:none!important}.nav-btn_col:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--color-primary-light);border-radius:0 2px 2px 0;transition:height var(--transition-fast)}.nav-btn_col:hover{background-color:#ffffff1a!important;color:#fff!important;transform:translate(4px);box-shadow:none!important}.nav-btn_col.active{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%)!important;color:#fff!important;box-shadow:var(--shadow-md)!important}.nav-btn_col.active:before{height:60%}.nav-btn_col svg{min-width:20px;min-height:20px;width:20px;height:20px;color:inherit!important;margin-right:12px;transition:all var(--transition-fast)}.sidebar.collapsed .nav-btn_col{justify-content:center;padding:12px;margin:4px 0}.sidebar.collapsed .nav-btn_col svg{margin-right:0}.sidebar.collapsed .nav-btn_col:hover{transform:scale(1.1)}.nav-btn_col span{margin-left:0;white-space:nowrap;font-weight:500;font-size:.95rem;color:inherit!important}.sidebar.collapsed .nav-btn_col span{display:none}.user-profile{display:flex;align-items:center;padding:20px;margin-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1);transition:all var(--transition-base)}.user-info{display:flex;flex-direction:column;margin-left:12px;flex:1}.user-profile .username{font-size:14px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}.premium-tag{margin-top:6px;font-size:11px;padding:2px 8px;height:auto;line-height:1.4;font-weight:600;background:linear-gradient(135deg,gold,#ffed4e);border:none;color:#1a202c}.free-tag{margin-top:6px;font-size:11px;padding:2px 8px;height:auto;line-height:1.4;font-weight:600;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fffc}.sidebar.collapsed .user-profile{justify-content:center;padding:15px 8px}.sidebar.collapsed .user-info{display:none}.upgrade-btn{background:linear-gradient(135deg,#ffd70026,#ffd7001a)!important;border:1px solid rgba(255,215,0,.3)!important;margin-top:10px;position:relative}.upgrade-btn:hover{background:linear-gradient(135deg,#ffd70040,#ffd70033)!important;border-color:#ffd70080!important;transform:translate(4px)!important}.upgrade-icon{color:gold!important;animation:goldPulse 2s ease-in-out infinite}@keyframes goldPulse{0%,to{opacity:1}50%{opacity:.7}}.upgrade-badge{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:#ff4d4f;border:2px solid #1a202c}.login-btn{background:#0d948826!important;border:1px solid rgba(13,148,136,.3)!important}.login-btn:hover{background:#0d948840!important;border-color:#0d948880!important;transform:translate(4px)!important}.logout-btn{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}.logout-btn:hover{background:#ef444426!important;color:#fca5a5!important;transform:translate(4px)!important}.sidebar-footer{padding:20px;border-top:1px solid rgba(255,255,255,.1)}.footer-info{text-align:center}.footer-text{font-size:11px;color:#ffffff80;margin:0;line-height:1.5}.sidebar.collapsed .sidebar-footer{display:none}.mindmap-container{position:relative;flex:1;padding:0;overflow-x:hidden;background:linear-gradient(135deg,#0d94880d,#f9731608);width:100%}.mindmap-wrapper{flex:1;position:relative;overflow-x:hidden;width:100%;max-width:100%;min-height:calc(100vh - 80px)}.mindmap-wrapper.docs-view-active{overflow-y:auto;overflow-x:hidden;display:block}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000}.loading-spinner{width:50px;height:50px;border:4px solid var(--color-bg-tertiary);border-top:4px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-subtext{font-size:14px;color:var(--color-text-secondary);margin-top:8px;text-align:center;font-weight:500}.empty-state{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:var(--color-bg-secondary);border-radius:var(--radius-lg)}.empty-subtext{font-size:14px;color:var(--color-text-tertiary);margin-top:8px;text-align:center}.detail-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--color-bg-primary);padding:0;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);z-index:1500;max-width:1100px;width:90%;height:85vh;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--color-border)}.detail-panel h3{margin:0;padding:25px 30px;color:var(--color-text-primary);font-size:1.5rem;font-weight:700;text-align:left;border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg-primary) 100%)}.detail-panel h1{font-size:1.8rem;margin-bottom:20px;color:var(--color-text-primary);font-weight:700}.detail-panel h2{font-size:1.4rem;margin-bottom:15px;color:var(--color-text-primary);font-weight:600}.detail-panel h3{font-size:1.2rem;margin-bottom:10px;color:var(--color-text-primary);font-weight:600}.detail-panel table{width:100%;border-collapse:collapse;margin-bottom:20px;border-radius:var(--radius-md);overflow:hidden}.detail-panel th,.detail-panel td{border:1px solid var(--color-border);padding:12px 16px;text-align:left}.detail-panel th{background-color:var(--color-bg-secondary);font-weight:600;color:var(--color-text-primary)}.detail-panel tr:hover{background-color:var(--color-bg-secondary)}.panel-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;z-index:1001;display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.close-btn{position:absolute;top:20px;right:20px;background:var(--color-bg-secondary);border:1px solid var(--color-border);font-size:20px;cursor:pointer;color:var(--color-text-secondary);width:36px;height:36px;display:flex;justify-content:center;align-items:center;border-radius:var(--radius-full);transition:all var(--transition-fast);z-index:10}.close-btn:hover{background-color:var(--color-error);color:#fff;border-color:var(--color-error);transform:rotate(90deg)}.content-scroll{flex:1;overflow:auto;padding:0}.split-layout{display:flex;height:100%;gap:0}.image-carousel{flex:1.2;min-width:0;display:flex;justify-content:center;position:relative;background:var(--color-bg-secondary);padding:20px}.image-carousel .swiper{width:100%;height:100%}.image-carousel .swiper-slide{display:flex;justify-content:center;align-items:center;height:auto}.carousel-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:transform var(--transition-base)}.carousel-image:hover{transform:scale(1.02)}.image-counter-pre{position:absolute;bottom:30px;left:50%;transform:translate(-50%);background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;padding:8px 16px;border-radius:var(--radius-full);font-size:14px;font-weight:600;z-index:10}.swiper-button-prev,.swiper-button-next{position:absolute;top:50%;transform:translateY(-50%);background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;width:40px;height:40px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all var(--transition-fast);border:2px solid rgba(255,255,255,.2)}.swiper-button-prev{left:20px}.swiper-button-next{right:20px}.swiper-button-prev:hover,.swiper-button-next:hover{background:var(--color-primary);border-color:var(--color-primary);transform:translateY(-50%) scale(1.1)}.text-content{flex:2;min-width:0;border-left:1px solid var(--color-border);padding:30px;overflow-y:auto;background:var(--color-bg-primary)}.knowledge-points{text-align:left}.point{margin-bottom:20px;font-size:16px;line-height:1.8;color:var(--color-text-secondary);position:relative;padding-left:20px}.point:before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;background:var(--color-primary);border-radius:50%}@media(max-width:768px){.sidebar{width:100%;height:60px;left:0;bottom:0;top:auto;flex-direction:row;align-items:center;justify-content:space-around;padding:0;background:var(--color-bg-primary);border-top:1px solid var(--color-border);box-shadow:0 -2px 10px #0000001a}.sidebar.collapsed{width:100%}.sidebar-header,.user-profile{display:none}.nav-buttons{flex-direction:row;width:100%;padding:0;gap:0;flex:1}.nav-btn_col{flex:1;justify-content:center;padding:8px;margin:0;border-radius:0;min-height:60px}.nav-btn_col:before{display:none}.nav-btn_col svg{margin-right:0;font-size:1.3rem}.sidebar .nav-btn_col span{display:none}.upgrade-btn{margin-top:0}.upgrade-badge{display:none}.login-btn,.logout-btn{margin-top:0;padding-top:0;border-top:none}.main-content,.main-content.expanded{margin-left:0;margin-bottom:60px;width:100%}.view-header{flex-direction:column;align-items:flex-start;gap:15px;padding:15px 20px}.view-header h2{font-size:1.25rem}.view-switcher{width:100%;overflow-x:auto;padding:6px}.detail-panel{top:0;left:0;width:100%;height:100vh;max-width:none;border-radius:0;transform:none}.detail-panel h1{font-size:1.3rem;margin-bottom:15px}.detail-panel h2{font-size:1.2rem;margin-bottom:15px}.detail-panel .close-btn{position:fixed;top:10px;right:10px;z-index:1001;background:#fffffff2;box-shadow:var(--shadow-md)}.detail-panel h3{font-size:1.1rem;margin-bottom:10px;padding:20px}.detail-panel .content-scroll{flex:1;overflow-y:auto;overflow-x:hidden;height:calc(100% - 60px);padding-right:0}.detail-panel .split-layout{flex-direction:column;gap:0;height:auto}.detail-panel .image-carousel{flex:none;width:100%;max-height:45vh;position:relative;overflow:hidden;padding:15px}.detail-panel .carousel-image{width:100%;height:auto;max-height:45vh;object-fit:contain;border-radius:var(--radius-lg)}.detail-panel .image-counter-pre{position:absolute;width:50px;bottom:20px;left:50%;transform:translate(-50%);background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;padding:6px 12px;border-radius:var(--radius-full);font-size:12px;font-weight:600;z-index:10}.detail-panel .swiper-button-prev,.detail-panel .swiper-button-next{position:absolute;top:50%;transform:translateY(-50%);background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;width:36px;height:36px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;border:2px solid rgba(255,255,255,.2)}.detail-panel .swiper-button-prev{left:10px}.detail-panel .swiper-button-next{right:10px}.detail-panel .swiper-button-prev:hover,.detail-panel .swiper-button-next:hover{background:var(--color-primary);border-color:var(--color-primary)}.detail-panel .text-content{flex:none;width:100%;border-left:none;border-top:1px solid var(--color-border);padding:20px;margin-top:0;overflow-y:visible;background:var(--color-bg-primary)}.detail-panel .point{font-size:14px;line-height:1.7;margin-bottom:15px;color:var(--color-text-secondary)}.hero-section{padding:40px 15px;min-height:80vh}.hero-features{flex-direction:column;gap:12px}.welcome-actions{flex-direction:column;width:100%}.hero-button{width:100%}.features-section,.premium-section{padding:60px 15px}.section-title,.premium-title{font-size:2rem}.feature-card{padding:30px 20px}.feature-icon{width:60px;height:60px;font-size:1.5rem}.premium-card{padding:30px 20px}.premium-features{gap:20px}.premium-feature-item{flex-direction:column;align-items:center;text-align:center}.price-value{font-size:2.5rem}}.hero-intro{margin-top:40px;text-align:center}.intro-text{font-size:1.1rem;color:var(--color-text-secondary);margin-bottom:30px;max-width:600px}.intro-stats{display:flex;gap:40px;justify-content:center;flex-wrap:wrap}.stat-item{display:flex;flex-direction:column;align-items:center;gap:8px}.stat-number{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:.9rem;color:var(--color-text-secondary)}.feature-preview{margin-top:20px;padding-top:20px;border-top:1px solid var(--color-border-light)}.preview-placeholder{background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg-tertiary) 100%);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:center;gap:16px;transition:all var(--transition-base)}.preview-placeholder:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.preview-icon{width:50px;height:50px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff;flex-shrink:0}.preview-content{flex:1}.preview-title{font-size:.95rem;font-weight:600;color:var(--color-text-primary);margin-bottom:12px}.preview-items{display:flex;flex-wrap:wrap;gap:8px}.preview-item{font-size:.85rem;color:var(--color-text-secondary);background:#fff;padding:4px 10px;border-radius:var(--radius-md);border:1px solid var(--color-border-light)}.premium-feature-card{background:#fff;border-radius:var(--radius-lg);padding:30px 24px;height:100%;border:1px solid var(--color-border-light);transition:all var(--transition-base)}.premium-feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}.premium-feature-card .premium-feature-icon{width:60px;height:60px;border-radius:var(--radius-md);background:linear-gradient(135deg,gold,#ffed4e);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#1a202c;margin-bottom:20px}.premium-feature-card h4{font-size:1.2rem;font-weight:700;color:var(--color-text-primary);margin-bottom:12px}.premium-feature-card p{font-size:.95rem;color:var(--color-text-secondary);margin-bottom:20px;line-height:1.6}.feature-list{list-style:none;padding:0;margin:0}.feature-list li{font-size:.9rem;color:var(--color-text-secondary);padding:8px 0 8px 24px;position:relative}.feature-list li:before{content:"✓";position:absolute;left:0;color:var(--color-primary);font-weight:700}.premium-price-section{margin-top:40px;padding-top:30px;border-top:1px solid var(--color-border-light);display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}.premium-price-section .premium-price{display:flex;align-items:baseline;gap:8px}.premium-features-summary{display:flex;gap:20px;flex-wrap:wrap}.summary-item{font-size:.95rem;color:var(--color-text-secondary);padding:8px 16px;background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border-light)}@media(max-width:768px){.hero-intro{margin-top:30px}.intro-stats{gap:20px}.stat-number{font-size:1.5rem}.preview-placeholder{flex-direction:column;text-align:center}.preview-items{justify-content:center}.premium-price-section{flex-direction:column;gap:20px}.premium-features-summary{flex-direction:column;gap:10px;width:100%}.summary-item{text-align:center}}.premium-locked{background-color:#fff8e1;border:1px solid #ffe082;border-radius:4px;padding:15px;margin-top:10px;text-align:center;color:#f57c00}.premium-locked p{margin:0 0 10px;font-weight:500}.detail-panel .upgrade-btn-detail{background-color:#f09d21e4;color:#fff;border:none;padding:8px 20px;border-radius:4px;cursor:pointer;font-weight:500;transition:background-color .3s}.detail-panel .upgrade-btn-detail:hover{background-color:#f57c00}.detail-panel .pay-btn-detail{background-color:#a6d812d5;color:#fff;border:none;padding:8px 20px;border-radius:4px;cursor:pointer;font-weight:500;transition:background-color .3s}.detail-panel .pay-btn-detail:hover{background-color:#1976d24b}.premium-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.payment-modal-content{text-align:center;padding:10px 0}.payment-description{font-size:14px;color:#666;margin-bottom:20px}.qr-code-container{display:flex;justify-content:center;margin-bottom:20px}.qr-code{width:200px;height:200px;border:1px solid #eee;padding:10px;border-radius:8px}.payment-amount{font-size:18px;font-weight:700;color:#ff6b6b;margin-bottom:10px}.payment-note{font-size:12px;color:#999;margin-top:10px}.link{fill:none;stroke:#555;stroke-width:1.5px;stroke-opacity:.7;transition:stroke-width .2s,stroke-opacity .2s}.link:hover{stroke-width:2.5px;stroke-opacity:1}.fullscreen-image-viewer{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000e6;display:flex;justify-content:center;align-items:center;z-index:10000;cursor:pointer}.fullscreen-image-container{position:relative;max-width:90%;max-height:90%;cursor:default}.fullscreen-image{max-width:100%;max-height:92vh;object-fit:contain;border-radius:4px}.fullscreen-close-btn{position:absolute;top:-40px;right:-40px;background-color:transparent;color:#fff;border:none;font-size:18px;cursor:pointer;padding:0;width:40px;height:40px;display:flex;justify-content:center;align-items:center;border-radius:50%;transition:background-color .2s}.fullscreen-close-btn:hover{background-color:#fff3}.fullscreen-nav-btn{position:absolute;top:50%;background-color:#00000080;color:#fff;border:none;font-size:25px;cursor:pointer;padding:10px;width:50px;height:50px;display:flex;justify-content:center;align-items:center;border-radius:50%;transition:background-color .2s;z-index:10}.fullscreen-nav-btn:hover{background-color:#000c}.prev-btn{left:-60px}.next-btn{right:-60px}.image-counter{position:absolute;bottom:-30px;left:50%;transform:translate(-50%);background-color:#0009;color:#fff;padding:5px 15px;border-radius:20px;font-size:14px}.detail-panel .swiper-button-prev,.detail-panel .swiper-button-next{position:absolute;top:53%;transform:translateY(-43%);background-color:#00000026;color:#fff;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10}.detail-panel .swiper-button-prev{left:2%}@media(min-width:768px){.detail-panel .swiper-button-next{left:34%}}.detail-panel 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