body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;margin:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.language-switcher{align-items:center;background:#0000;border:1px solid #ccc;border-radius:4px;cursor:pointer;display:flex;font-size:12px;font-weight:500;margin-right:12px;padding:4px 10px;transition:border-color .2s ease}.language-switcher:hover{border-color:#333}.lang-option{color:#999;transition:color .2s ease}.lang-option.active{color:#111;font-weight:700}.lang-divider{color:#ccc;margin:0 4px}@media (max-width:768px){.language-switcher{font-size:11px;margin-right:8px;padding:3px 8px}}.slideshow-container{background:#f8f9fa;border-radius:12px;box-shadow:0 4px 20px #0000001a;height:400px;margin:0 auto 30px;max-width:800px;overflow:hidden;position:relative;width:100%}.slideshow-wrapper{height:100%;position:relative;width:100%}.slide-link{align-items:center;display:flex;height:100%;justify-content:center;opacity:0;position:absolute;transition:opacity .5s ease-in-out;width:100%}.slide-link.active{opacity:1}.slide-image{cursor:pointer;max-height:100%;max-width:100%;object-fit:contain;transition:transform .3s ease}.slide-image:hover{transform:scale(1.02)}.slide-indicators{bottom:20px;display:flex;gap:8px;left:50%;position:absolute;transform:translateX(-50%);z-index:10}.indicator{background:#ffffff80;border:2px solid #fff;border-radius:50%;cursor:pointer;height:12px;transition:all .3s ease;width:12px}.indicator.active{background:#fff;border-radius:6px;width:32px}.indicator:hover{background:#fffc}@media (max-width:768px){.slideshow-container{height:300px;margin-bottom:20px}.slide-indicators{bottom:10px}.indicator{height:10px;width:10px}.indicator.active{width:24px}}.about-section{margin:40px auto;max-width:1000px}.about-toggle{align-items:center;background:#4a90e2;border:none;border-radius:12px;box-shadow:0 4px 15px #4a90e233;color:#fff;cursor:pointer;display:flex;font-size:18px;font-weight:600;justify-content:space-between;padding:20px 30px;transition:all .3s ease;width:100%}.about-toggle:hover{background:#357abd;box-shadow:0 6px 20px #4a90e24d;transform:translateY(-2px)}.toggle-icon{display:inline-block;height:20px;position:relative;width:20px}.toggle-icon:after,.toggle-icon:before{background:#fff;content:"";position:absolute;transition:all .3s ease}.toggle-icon:before{height:2px;left:0;top:50%;transform:translateY(-50%);width:100%}.toggle-icon:after{height:100%;left:50%;top:0;transform:translateX(-50%);width:2px}.about-toggle.open .toggle-icon:after{transform:translateX(-50%) rotate(90deg)}.about-content{animation:slideDown .3s ease;background:#fff;border-radius:12px;box-shadow:0 4px 20px #00000014;margin-top:20px;padding:30px}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.about-title{color:#333;font-size:24px;font-weight:700;margin:0 0 25px;text-align:center}.about-warning{background:#fff3cd;border-left:4px solid #ffc107;color:#856404;line-height:1.6;margin-bottom:20px;text-align:center}.about-intro,.about-warning{border-radius:8px;font-size:16px;padding:20px}.about-intro{background:linear-gradient(135deg,#e3f2fd,#bbdefb);color:#444;line-height:1.8;margin-bottom:25px}.about-intro p{margin:0}.about-features,.about-target{margin-bottom:25px}.about-features h3,.about-notice h3,.about-target h3{border-bottom:2px solid gold;color:#333;font-size:18px;margin:0 0 15px;padding-bottom:10px}.about-features ul,.about-target ul{margin:0;padding:0 0 0 20px}.about-features li,.about-target li{color:#555;font-size:14px;line-height:1.8;margin-bottom:10px}.about-notice{background:#f8f9fa;border-radius:8px;color:#666;font-size:14px;line-height:1.6;margin:0 0 20px;padding:20px}.about-notice p{margin:0 0 10px}.about-notice p:last-child{margin-bottom:0}.about-notice a{color:#4a90e2;text-decoration:none}.about-notice a:hover{text-decoration:underline}.about-contact{background:#e8f5e9;border-radius:8px;padding:15px;text-align:center}.about-contact p{color:#2e7d32;font-size:14px;margin:0}.about-contact a{color:#1b5e20;font-weight:600;text-decoration:none}.about-contact a:hover{text-decoration:underline}@media (max-width:768px){.about-section{margin:30px 10px}.about-toggle{font-size:16px;padding:15px 20px}.about-content{padding:20px}.about-title{font-size:20px}.about-notice,.about-warning{font-size:14px}}.news-wrapper{margin:40px 0}.news-wrapper-hidden{opacity:0;transform:translateY(50px)}.news-wrapper-visible{animation:fadeInUp .8s ease-out forwards}.section-heading{animation:slideInFromTop .6s ease-out;color:#333;display:inline-block;font-size:32px;font-weight:700;margin-bottom:30px;position:relative;text-align:center;width:100%}@keyframes slideInFromTop{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.section-heading:after{animation:expandWidth .8s ease-out .3s both;background:#4a90e2;border-radius:2px;bottom:-10px;content:"";height:4px;left:50%;position:absolute;transform:translateX(-50%);width:60px}@keyframes expandWidth{0%{width:0}to{width:60px}}.news-container{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;margin:0 auto;max-width:100%;overflow:hidden;padding:30px}.news-items{-webkit-overflow-scrolling:touch;display:flex;gap:20px;overflow-x:auto;padding-bottom:20px;scroll-behavior:smooth}.news-items::-webkit-scrollbar{height:8px}.news-items::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.news-items::-webkit-scrollbar-thumb{background:#888;border-radius:10px}.news-items::-webkit-scrollbar-thumb:hover{background:#555}.news-card{background:#f8f9fa;border-left:4px solid #4a90e2;border-radius:12px;display:flex;flex-direction:column;flex-shrink:0;min-width:350px;padding:25px;transition:all .3s ease}.news-card-hidden{opacity:0;transform:translateX(-20px)}.news-card-visible{animation:newsCardSlideIn .6s ease-out both;animation-delay:0s;animation-delay:calc(var(--index, 0)*.1s)}@keyframes newsCardSlideIn{0%{opacity:0;transform:translateX(-20px) scale(.95)}to{opacity:1;transform:translateX(0) scale(1)}}.news-card:hover{background:#f0f2f5;border-left-width:6px;box-shadow:0 8px 20px #0000001a;transform:translateY(-5px)}.news-date{color:#666;display:inline-block;font-size:14px;font-weight:600;margin-bottom:10px}.news-image{aspect-ratio:16/9;border-radius:8px;height:auto;margin:15px 0;max-height:250px;object-fit:cover;transition:transform .3s ease;width:100%}.news-card:hover .news-image{transform:scale(1.05)}.news-text{color:#333;font-size:16px;line-height:1.8;margin:0;min-height:60px}@media (max-width:480px){.news-wrapper{margin:20px 5px}.news-container{padding:15px}.section-heading{font-size:24px}.news-items{gap:10px}.news-card{min-width:250px;padding:15px}.news-image{display:none}.news-text{font-size:14px}}@media (min-width:481px) and (max-width:768px){.news-wrapper{margin:30px 10px}.news-container{padding:20px}.section-heading{font-size:28px}.news-items{gap:15px}.news-card{min-width:280px;padding:20px}.news-image{display:none}.news-text{font-size:15px}}@media (min-width:769px) and (max-width:1024px){.news-card{min-width:320px}.news-image{display:none}}.filter-wrapper{margin:40px 0}.filter-wrapper-hidden{opacity:0;transform:translateY(50px)}.filter-wrapper-visible{animation:filterFadeIn .8s ease-out forwards}@keyframes filterFadeIn{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.filter-container{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;margin:0 auto;max-width:1000px;padding:30px}.filter-details{width:100%}.filter-summary{align-items:center;background:#f8f9fa;border-radius:8px;color:#333;cursor:pointer;display:flex;font-size:18px;font-weight:600;justify-content:space-between;padding:15px 20px;transition:all .3s ease;-webkit-user-select:none;user-select:none}.filter-summary:hover{background:#e9ecef}.filter-summary::marker{content:""}.filter-summary:before{content:"▶";display:inline-block;margin-right:10px;transition:transform .3s ease}details[open] .filter-summary:before{transform:rotate(90deg)}.filter-count{color:#4a90e2}.clear-button,.filter-count{font-size:14px;font-weight:500}.clear-button{background:#dc3545;border:none;border-radius:6px;color:#fff;cursor:pointer;margin:15px 0;padding:10px 20px;transition:all .3s ease}.clear-button:hover{background:#c82333;box-shadow:0 2px 8px #dc35454d;transform:translateY(-2px)}.filter-content{grid-gap:25px;display:grid;gap:25px;margin-top:20px}.filter-category{border-bottom:1px solid #e9ecef;padding-bottom:20px}.filter-category:last-child{border-bottom:none;padding-bottom:0}.category-title{color:#495057;font-size:16px;font-weight:600;margin-bottom:15px}.filter-options{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.filter-option{align-items:center;background:#f8f9fa;border-radius:6px;cursor:pointer;display:flex;padding:8px 12px;transition:all .2s ease}.filter-option:hover{background:#e9ecef}.filter-checkbox{cursor:pointer;height:18px;margin-right:8px;width:18px}.filter-label{color:#333;font-size:14px;-webkit-user-select:none;user-select:none}.filter-option:has(.filter-checkbox:checked){background:#4a90e2;color:#fff}.filter-option:has(.filter-checkbox:checked) .filter-label{color:#fff;font-weight:500}@media (max-width:768px){.filter-wrapper{margin:30px 10px}.filter-container{padding:20px}.filter-summary{font-size:16px;padding:12px 15px}.filter-options{gap:8px;grid-template-columns:1fr 1fr}.filter-option{padding:6px 10px}}.text-card{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;display:flex;flex-direction:column;height:100%;overflow:hidden;transition:all .3s ease}.text-card-hidden{opacity:0;transform:translateY(30px)}.text-card-visible{animation:fadeInUp .6s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.text-cards-grid>div{animation:staggerFadeIn .5s ease forwards;opacity:0}@keyframes staggerFadeIn{to{opacity:1}}.text-card:hover{box-shadow:0 8px 30px #0000001f;transform:translateY(-8px)}.text-card-image-wrapper{background:#f8f9fa;height:220px;overflow:hidden;width:100%}.text-card-image{height:100%;object-fit:cover;transition:transform .3s ease;width:100%}.text-card:hover .text-card-image{transform:scale(1.05)}.text-card-content{display:flex;flex-direction:column;flex-grow:1;padding:25px}.text-card-title{color:#333;font-size:22px;font-weight:700;line-height:1.3;margin:0 0 15px}.text-card-mechanisms{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px}.mechanism-tag{background:#e3f2fd;color:#1976d2;font-size:12px;font-weight:500;padding:6px 12px}.text-card-description{color:#666;flex-grow:1;font-size:14px;line-height:1.6;margin:0 0 20px}.text-card-footer{display:flex;flex-direction:column;gap:15px;margin-top:auto}.like-section{gap:12px}.like-count,.like-section{align-items:center;display:flex}.like-count{color:#666;font-size:16px;font-weight:500;gap:6px}.heart-icon{fill:#ef4444;color:#ef4444;height:20px;width:20px}.like-button{background:#22c55e;border:none;border-radius:6px;color:#fff;font-size:14px;font-weight:500;padding:8px 16px;transition:all .2s ease}.like-button:hover{background:#16a34a;box-shadow:0 2px 8px #22c55e4d;transform:translateY(-2px)}.reset-button{background:#dc3545;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:12px;padding:6px 12px;transition:all .2s ease}.reset-button:hover{background:#c82333}.view-button{background:#0000;border:2px solid;border-radius:8px;box-sizing:border-box;color:#fff;display:inline-block;font-size:16px;font-weight:600;margin:0 2px;overflow:hidden;padding:12px 20px;position:relative;text-align:center;text-decoration:none;transition:all .3s ease;width:calc(100% - 4px)}.view-button-text{position:relative;z-index:2}.view-button-overlay{height:100%;left:-100%;position:absolute;top:0;transition:left .6s ease;width:100%;z-index:1}.view-button-animating .view-button-overlay,.view-button:hover .view-button-overlay{left:0}.view-button[data-stars="1"]{border-color:#3be0f6;color:#3be0f6}.view-button[data-stars="1"] .view-button-overlay{background:#3be0f6}.view-button[data-stars="1"].view-button-animating,.view-button[data-stars="1"]:hover{border-color:#3be0f6;color:#fff}.view-button[data-stars="2"]{border-color:#2196f3;color:#2196f3}.view-button[data-stars="2"] .view-button-overlay{background:#2196f3}.view-button[data-stars="2"].view-button-animating,.view-button[data-stars="2"]:hover{border-color:#2196f3;color:#fff}.view-button[data-stars="3"]{border-color:#ff9800;color:#ff9800}.view-button[data-stars="3"] .view-button-overlay{background:#ff9800}.view-button[data-stars="3"].view-button-animating,.view-button[data-stars="3"]:hover{border-color:#ff9800;color:#fff}.view-button[data-stars="4"]{border-color:#9c27b0;color:#9c27b0}.view-button[data-stars="4"] .view-button-overlay{background:#9c27b0}.view-button[data-stars="4"].view-button-animating,.view-button[data-stars="4"]:hover{border-color:#9c27b0;color:#fff}.view-button:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}@media (max-width:768px){.text-card-image-wrapper{height:180px}.text-card-content{padding:20px}.text-card-title{font-size:18px}.text-card-description{font-size:13px}.like-button,.view-button{font-size:14px;padding:10px 16px}.view-button{width:calc(100% - 4px)}}.home-container{background:#f5f7fa;margin:0 auto;max-width:1200px;min-height:100vh;padding:40px 20px}.home-title{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#333,#000);-webkit-background-clip:text;background-clip:text;color:#333;font-size:48px;font-weight:800;margin-bottom:40px;text-align:center;text-shadow:2px 2px 4px #0000001a}.texts-container{margin-top:40px}.star-section{margin-bottom:60px}.star-header{margin-bottom:30px;position:relative;text-align:center}.star-level{background:#fff;border-radius:50px;box-shadow:0 4px 20px #ffd7004d;color:gold;display:inline-block;font-size:36px;font-weight:700;overflow:hidden;padding:10px 30px;position:relative;text-shadow:2px 2px 4px #0003;transition:all .3s ease}.star-level:before{background:radial-gradient(circle,#ffd7004d 0,#0000 70%);content:"";height:200%;left:-50%;position:absolute;top:-50%;transform:scale(0);transition:transform .5s ease;width:200%}.star-level:after{animation:starPulse 1.5s ease-out;color:#ffd70033;content:"★";font-size:60px;left:50%;opacity:0;pointer-events:none;position:absolute;top:50%;transform:translate(-50%,-50%) scale(3)}@keyframes starPulse{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}50%{opacity:.5}to{opacity:0;transform:translate(-50%,-50%) scale(3)}}.star-level:hover:before{transform:scale(1)}.star-level:hover{box-shadow:0 6px 30px #ffd70066;transform:translateY(-3px)}.star-level-hidden{opacity:0;transform:scale(.3) translateY(30px)}.star-level-visible{animation:starBounce .8s ease-out forwards}@keyframes starBounce{0%{opacity:0;transform:scale(.3) translateY(30px) rotate(-180deg)}50%{transform:scale(1.2) translateY(-10px) rotate(10deg)}70%{transform:scale(.9) translateY(5px) rotate(-5deg)}to{opacity:1;transform:scale(1) translateY(0) rotate(0deg)}}.text-cards-grid{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));padding:0 10px;position:relative}.star-section{animation:sectionFadeIn .8s ease forwards;animation-delay:0s;animation-delay:calc(var(--section-index, 0)*.2s)}@keyframes sectionFadeIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.filter-wrapper .section-heading{animation:textHeadingSlide .6s ease-out}@keyframes textHeadingSlide{0%{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:translateX(0)}}.text-cards-grid>*{transition:all .4s ease}.texts-container-animating .text-card{opacity:0;transform:scale(.95)}.texts-container-animating .star-section{animation:none}@media (max-width:1024px){.text-cards-grid{gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media (max-width:768px){.home-container{padding:20px 10px}.home-title{font-size:36px;margin-bottom:30px}.star-level{font-size:28px;padding:8px 24px}.text-cards-grid{gap:20px;grid-template-columns:1fr;padding:0}}@media (max-width:480px){.home-title{font-size:28px;margin-bottom:20px}.star-level{font-size:24px;padding:6px 20px}}body,html{box-sizing:border-box;margin:0;overflow-x:hidden;padding:0}header{background-color:#000;box-shadow:0 2px 5px #0003;justify-content:space-between;padding:15px}.header,header{align-items:center;color:#fff;display:flex;width:100%}.header{background:#000;box-sizing:border-box;gap:20px;justify-content:flex-start;padding:10px 20px}.header .logo{align-items:center;cursor:pointer;display:flex;flex-shrink:0;font-size:26px;font-weight:700}.triangle-logo{height:40px;margin:10px 10px 10px 0;object-fit:contain;width:40px}.header .nav{flex-wrap:nowrap;gap:50px}.header .nav,.header .nav-item{display:flex;flex-shrink:1;min-width:0}.header .nav-item{align-items:center;color:#fff;cursor:pointer;font-size:18px;gap:10px;padding:10px;position:relative;white-space:nowrap}.nav-icon{filter:brightness(0) invert(1);flex-shrink:0;height:30px;object-fit:contain;width:30px}.header .nav-item:hover{color:gold}.header .login-item{cursor:pointer;margin-left:auto;padding:10px;position:relative}.dropdown-menu{background:#000;box-shadow:0 2px 5px #0003;color:#fff;display:none;flex-direction:column;left:0;min-width:150px;position:absolute;top:100%;z-index:9999}.dropdown-menu a{color:#fff;padding:10px 20px;text-decoration:none;white-space:nowrap}.dropdown-menu a:hover{background:gold;color:#000}.nav-item.active .fropdown-menu,.nav-item:hover .dropdown-menu{display:flex}.main-content{align-items:center;display:flex;flex:1 1;justify-content:center;padding:20px}.login-container{background-color:#fff;border-radius:20px;box-shadow:0 4px 8px #0000001a;max-width:400px;padding:40px;text-align:center;width:100%}.login-container h1{align-items:center;display:flex;gap:10px;justify-content:center}.form-group{margin-bottom:15px}input{border:2px solid #000;border-radius:25px;font-size:16px;padding:10px 15px;width:90%}input::placeholder{color:#000}input:focus{border-color:#000;box-shadow:0 0 5px #ffc0cb80;outline:none}button{background-color:#000;border:none;border-radius:25px;color:#fff;cursor:pointer;font-size:16px;font-weight:700;padding:10px;transition:background-color .3s ease;width:100%}button:hover{background-color:#333}.footer{background:#000;color:#fff;margin-top:40px;padding:20px;text-align:center}.footer h1{color:#8e8e8e;font-size:10px;margin-top:20px}.footer-nav{display:flex;font-size:14px;gap:70px;justify-content:center}.footer-nav a{color:#fff;text-decoration:none}.footer-nav li{color:#8e8e8e;font-size:10px;padding-top:2px;text-align:left}.footer-nav li a:hover,.footer-nav li:hover{color:gold}@media (min-width:768px) and (max-width:1024px){.header .nav-item{font-size:16px;padding:8px}#mechanismTabs{gap:15px}.footer-nav{gap:30px}}@media (max-width:768px){.triangle-logo{height:30px;margin:5px;width:30px}.header{padding:10px}.header .nav{gap:10px}.header .nav-item{font-size:12px;gap:3px;padding:5px}.nav-icon{height:20px;width:20px}.footer-nav{font-size:12px;gap:20px}}@media (max-width:576px){.header .nav-item{font-size:10px}.nav-icon{height:16px;width:16px}.header .nav{gap:5px}.footer-nav{font-size:10px;gap:15px}}.mechanism-top{margin:0 auto;max-width:800px;min-height:calc(100vh - 200px);padding:40px 20px 60px}.mechanism-header{margin-bottom:50px;text-align:center}.mechanism-header h1{color:#111;font-size:32px;font-weight:700;letter-spacing:.5px;margin:0 0 12px}.mechanism-header p{color:#666;font-size:15px;margin:0}.mechanism-cards-container{display:flex;flex-direction:column;gap:12px}.mechanism-card-link{display:block;text-decoration:none}.mechanism-card-item{align-items:center;background:#fff;border:1px solid #e5e5e5;border-radius:8px;display:flex;padding:20px 24px;transition:all .2s ease}.mechanism-card-item:hover{border-color:#333;box-shadow:0 2px 8px #00000014}.mechanism-card-icon{align-items:center;border:1px solid #e5e5e5;border-radius:8px;color:#333;display:flex;flex-shrink:0;height:48px;justify-content:center;margin-right:20px;transition:all .2s ease;width:48px}.mechanism-card-item:hover .mechanism-card-icon{background:#111;border-color:#111;color:#fff}.mechanism-card-content{flex:1 1;min-width:0}.mechanism-card-content h2{color:#111;font-size:17px;font-weight:600;margin:0 0 6px}.mechanism-card-content p{color:#666;font-size:13px;line-height:1.5;margin:0}.mechanism-card-arrow{color:#ccc;flex-shrink:0;margin-left:16px;transition:all .2s ease}.mechanism-card-item:hover .mechanism-card-arrow{color:#111;transform:translateX(4px)}@media (max-width:768px){.mechanism-top{padding:30px 16px 50px}.mechanism-header{margin-bottom:40px}.mechanism-header h1{font-size:26px}.mechanism-header p{font-size:14px}.mechanism-card-item{padding:16px 18px}.mechanism-card-icon{height:44px;margin-right:16px;width:44px}.mechanism-card-content h2{font-size:15px}.mechanism-card-content p{font-size:12px}}@media (max-width:480px){.mechanism-header h1{font-size:22px}.mechanism-card-icon{height:40px;margin-right:14px;width:40px}.mechanism-card-arrow{display:none}}.legal-page{margin:0 auto;max-width:800px;min-height:calc(100vh - 200px);padding:40px 20px}.legal-page h1{border-bottom:3px solid gold;color:#333;font-size:28px;margin-bottom:10px;padding-bottom:10px}.legal-page .last-updated{color:#888;font-size:12px;margin-bottom:30px}.legal-page h2{border-left:4px solid gold;color:#333;font-size:20px;margin-bottom:15px;margin-top:30px;padding-left:10px}.legal-page h3{color:#444;font-size:16px;margin-bottom:10px;margin-top:20px}.legal-page p{color:#555;font-size:14px;line-height:1.8;margin-bottom:15px}.legal-page ul{margin:10px 0 20px 20px;padding:0}.legal-page li{color:#555;font-size:14px;line-height:1.8;margin-bottom:8px}.legal-page a{color:#06c;text-decoration:none}.legal-page a:hover{text-decoration:underline}.legal-page .section{margin-bottom:30px}.legal-page .highlight-box{background:#f9f9f9;border:1px solid #ddd;border-radius:8px;margin:20px 0;padding:15px 20px}.legal-page .highlight-box p{margin:0}.contact-info{background:#f5f5f5;border-radius:8px;margin:20px 0;padding:20px}.contact-info h3{color:#333;margin-top:0}.contact-btn{background:gold;border-radius:5px;color:#000;display:inline-block;font-weight:700;margin-top:15px;padding:12px 30px;text-decoration:none;transition:background .3s}.contact-btn:hover{background:#e6c200;text-decoration:none}@media (max-width:768px){.legal-page{padding:20px 15px}.legal-page h1{font-size:24px}.legal-page h2{font-size:18px}.legal-page li,.legal-page p{font-size:13px}}.about-page{line-height:1.8;margin:0 auto;max-width:900px;padding:20px}.about-page .breadcrumb{color:#666;font-size:.9rem;margin-bottom:30px}.about-page .breadcrumb a{color:#007bff;text-decoration:none}.about-page .breadcrumb a:hover{text-decoration:underline}.about-hero{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;margin-bottom:40px;padding:40px 20px;text-align:center}.about-hero h1{font-size:2rem;margin-bottom:15px}.hero-subtitle{font-size:1.1rem;opacity:.95}.about-section{margin-bottom:40px}.about-section h2{border-left:4px solid #667eea;color:#333;font-size:1.5rem;margin-bottom:20px;padding-left:15px}.section-content{background:#f8f9fa;border-radius:8px;padding:25px}.section-content p{color:#444;margin:0}.features-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.feature-card{background:#fff;border:1px solid #e9ecef;border-radius:10px;padding:25px;transition:transform .2s,box-shadow .2s}.feature-card:hover{box-shadow:0 5px 20px #0000001a;transform:translateY(-3px)}.feature-card h3{color:#667eea;font-size:1.1rem;margin-bottom:10px}.feature-card p{color:#666;font-size:.95rem;margin:0}.target-list{list-style:none;margin:0;padding:0}.target-list li{border-bottom:1px solid #eee;padding:12px 0 12px 30px;position:relative}.target-list li:last-child{border-bottom:none}.target-list li:before{color:#28a745;content:"\2713";font-weight:700;left:0;position:absolute}.achievements-list{display:flex;flex-direction:column;gap:15px}.achievement-item{background:#fff;border-left:3px solid #667eea;border-radius:0 8px 8px 0;box-shadow:0 2px 8px #0000000d;padding:20px}.achievement-date{background:#667eea;border-radius:4px;color:#fff;display:inline-block;font-size:.85rem;margin-bottom:10px;padding:4px 12px}.achievement-item p{color:#444;margin:0}.highlight-box{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);border-left:4px solid #667eea}.warning-box{background:#fff3cd;border-left:4px solid #ffc107}.warning-box p{color:#856404}.about-cta{border-top:1px solid #eee;margin-top:50px;padding-top:30px;text-align:center}@media (max-width:768px){.about-hero h1{font-size:1.6rem}.hero-subtitle{font-size:1rem}.about-section h2{font-size:1.3rem}.features-grid{grid-template-columns:1fr}.section-content{padding:20px}}.faq-page{line-height:1.8;margin:0 auto;max-width:900px;padding:20px}.faq-page .breadcrumb{color:#666;font-size:.9rem;margin-bottom:30px}.faq-page .breadcrumb a{color:#007bff;text-decoration:none}.faq-page .breadcrumb a:hover{text-decoration:underline}.faq-hero{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;margin-bottom:40px;padding:40px 20px;text-align:center}.faq-hero h1{font-size:2rem;margin-bottom:15px}.faq-hero .hero-subtitle{font-size:1.1rem;opacity:.95}.faq-category{margin-bottom:40px}.faq-category h2{border-left:4px solid #667eea;color:#333;font-size:1.4rem;margin-bottom:20px;padding-left:15px}.faq-list{display:flex;flex-direction:column;gap:10px}.faq-item{border:1px solid #e9ecef;border-radius:8px;overflow:hidden;transition:box-shadow .2s}.faq-item:hover{box-shadow:0 2px 8px #00000014}.faq-item.open{border-color:#667eea}.faq-question{align-items:center;background:#fff;border:none;color:#333;cursor:pointer;display:flex;font-size:1rem;font-weight:500;justify-content:space-between;padding:18px 20px;text-align:left;transition:background .2s;width:100%}.faq-question:hover{background:#f8f9fa}.faq-item.open .faq-question{background:#667eea;color:#fff}.faq-icon{flex-shrink:0;font-size:1.4rem;font-weight:300;margin-left:15px;text-align:center;width:24px}.faq-answer{background:#f8f9fa;border-top:1px solid #e9ecef;padding:20px}.faq-answer p{color:#444;line-height:1.8;margin:0}.faq-contact{background:linear-gradient(135deg,#f5f7fa,#e8ecf1);border-radius:12px;margin-top:50px;padding:30px;text-align:center}.faq-contact h2{border:none;color:#333;font-size:1.3rem;margin-bottom:15px;padding:0}.faq-contact p{color:#666;margin:0}.faq-contact a{color:#667eea;font-weight:500}.faq-contact a:hover{text-decoration:underline}.faq-cta{border-top:1px solid #eee;margin-top:40px;padding-top:30px;text-align:center}.cta-button{background:#667eea;border-radius:30px;color:#fff;display:inline-block;font-weight:700;padding:15px 40px;text-decoration:none;transition:background .3s,transform .2s}.cta-button:hover{background:#5a6fd6;transform:translateY(-2px)}@media (max-width:768px){.faq-hero h1{font-size:1.6rem}.faq-hero .hero-subtitle{font-size:1rem}.faq-category h2{font-size:1.2rem}.faq-question{font-size:.95rem;padding:15px}.faq-answer{padding:15px}}.text-detail-page{line-height:1.8;margin:0 auto;max-width:1000px;padding:20px}.text-detail-page .breadcrumb{color:#666;font-size:.9rem;margin-bottom:30px}.text-detail-page .breadcrumb a{color:#007bff;text-decoration:none}.text-detail-page .breadcrumb a:hover{text-decoration:underline}.error-container,.loading-container{padding:60px 20px;text-align:center}.error-container h1{color:#dc3545;margin-bottom:15px}.error-container .back-button{background:#667eea;border-radius:25px;color:#fff;display:inline-block;margin-top:20px;padding:12px 30px;text-decoration:none}.text-detail-content{background:#fff;border-radius:12px;box-shadow:0 2px 10px #0000001a;overflow:hidden}.text-detail-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:30px}.text-detail-header h1{font-size:1.8rem;margin-bottom:15px}.text-meta{flex-wrap:wrap;gap:25px}.difficulty,.text-meta{align-items:center;display:flex}.difficulty{gap:10px}.stars{color:gold;font-size:1.2rem}.difficulty-label{font-size:.9rem;opacity:.9}.likes{font-size:.95rem;opacity:.9}.text-detail-body{grid-gap:30px;display:grid;gap:30px;grid-template-columns:1fr 1.5fr;padding:30px}.text-image-section{position:-webkit-sticky;position:sticky;top:20px}.text-main-image{border-radius:8px;box-shadow:0 3px 15px #00000026;width:100%}.image-placeholder{align-items:center;aspect-ratio:4/3;background:#f0f0f0;border-radius:8px;color:#999;display:flex;justify-content:center;width:100%}.text-info-section{display:flex;flex-direction:column;gap:25px}.info-block{background:#f8f9fa;border-radius:8px;padding:20px}.info-block h2{border-bottom:2px solid #667eea;color:#333;font-size:1.1rem;margin-bottom:12px;padding-bottom:8px}.description{color:#444;line-height:1.9;margin:0}.mechanism-tags{display:flex;flex-wrap:wrap;gap:8px}.mechanism-tag{background:#667eea;border-radius:20px;color:#fff;display:inline-block;font-size:.85rem;padding:5px 14px}.learning-goals{margin:0;padding-left:20px}.learning-goals li{color:#444;margin-bottom:8px}.learning-goals li:last-child{margin-bottom:0}.difficulty-info{align-items:flex-start;display:flex;gap:15px}.difficulty-stars{color:gold;flex-shrink:0;font-size:1.3rem}.difficulty-info p{color:#555;margin:0}.text-actions{background:#fafafa;border-top:1px solid #eee;display:flex;gap:15px;padding:25px 30px}.download-button{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;flex:1 1;font-size:1rem;font-weight:700;padding:15px 30px;transition:transform .2s,box-shadow .2s}.download-button:hover:not(:disabled){box-shadow:0 4px 15px #667eea66;transform:translateY(-2px)}.download-button:disabled{cursor:not-allowed;opacity:.7}.like-button{background:#fff;border:2px solid #e91e63;border-radius:8px;color:#e91e63;cursor:pointer;font-size:1rem;font-weight:700;padding:15px 30px;transition:background .2s,color .2s}.like-button:hover{background:#e91e63;color:#fff}.related-section{border-top:1px solid #eee;padding:25px 30px;text-align:center}.related-section h2{color:#333;font-size:1.2rem;margin-bottom:10px}.related-section p{color:#666;margin-bottom:15px}.view-all-link{color:#667eea;display:inline-block;font-weight:500;text-decoration:none}.view-all-link:hover{text-decoration:underline}.back-navigation{margin-top:30px;text-align:center}.back-link{border:2px solid #667eea;border-radius:25px;color:#667eea;display:inline-block;padding:12px 30px;text-decoration:none;transition:background .2s,color .2s}.back-link:hover{background:#667eea;color:#fff}@media (max-width:768px){.text-detail-body{grid-template-columns:1fr}.text-image-section{position:static}.text-detail-header h1{font-size:1.4rem}.text-meta{align-items:flex-start;gap:10px}.text-actions,.text-meta{flex-direction:column}.download-button,.like-button{width:100%}}.breadcrumb{font-size:.9rem;padding:1rem 0}.breadcrumb-list{flex-wrap:wrap;list-style:none;margin:0;padding:0}.breadcrumb-item,.breadcrumb-list{align-items:center;display:flex;gap:.25rem}.breadcrumb-separator{color:#adb5bd;margin:0 .25rem}.breadcrumb-link{color:#007bff;text-decoration:none;transition:color .2s ease}.breadcrumb-link:hover{color:#0056b3;text-decoration:underline}.breadcrumb-current{color:#6c757d}@media (max-width:480px){.breadcrumb{font-size:.8rem;padding:.75rem 0}}.glossary-page{margin:0 auto;max-width:1100px;min-height:calc(100vh - 200px);padding:40px 20px}.glossary-page h1{border-bottom:3px solid gold;color:#333;font-size:32px;margin-bottom:10px;padding-bottom:15px}.glossary-subtitle{color:#666;font-size:16px;line-height:1.8;margin-bottom:30px}.glossary-search{margin-bottom:20px}.glossary-search-input{border:2px solid #e0e0e0;border-radius:8px;box-sizing:border-box;font-size:15px;outline:none;padding:12px 16px;transition:border-color .3s;width:100%}.glossary-search-input:focus{border-color:gold}.glossary-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.glossary-category-btn{background:#fff;border:1px solid #ddd;border-radius:20px;color:#555;cursor:pointer;font-size:14px;padding:8px 16px;transition:all .3s}.glossary-category-btn:hover{border-color:gold;color:#333}.glossary-category-btn.active{background:gold;border-color:gold;color:#333;font-weight:600}.glossary-results-count{color:#888;font-size:14px;margin-bottom:20px}.glossary-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin-bottom:30px}.glossary-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;color:inherit;display:flex;flex-direction:column;padding:20px;text-decoration:none;transition:box-shadow .3s,transform .2s}.glossary-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.glossary-card-header{align-items:center;display:flex;gap:10px;margin-bottom:12px}.glossary-card-name{color:#333;font-size:18px;font-weight:600;margin:0}.glossary-card-summary{color:#666;flex-grow:1;font-size:14px;line-height:1.7}.glossary-badge{border-radius:12px;display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;white-space:nowrap}.glossary-badge-gears{background:#fff3e0;color:#e65100}.glossary-badge-sensors{background:#e3f2fd;color:#1565c0}.glossary-badge-mechanisms{background:#f3e5f5;color:#7b1fa2}.glossary-badge-motors{background:#e8f5e9;color:#2e7d32}.glossary-badge-structure{background:#efebe9;color:#4e342e}.glossary-badge-control{background:#ffebee;color:#c62828}.glossary-no-results{color:#888;font-size:16px;padding:60px 20px;text-align:center}.glossary-detail{margin:0 auto;max-width:900px;min-height:calc(100vh - 200px);padding:40px 20px}.glossary-detail h1{border-bottom:3px solid gold;color:#333;font-size:32px;margin-bottom:8px;padding-bottom:15px}.glossary-detail-reading{color:#888;font-size:14px;margin-bottom:24px}.glossary-detail-badge{margin-bottom:16px}.glossary-summary-box{background:#f9f9f9;border-left:4px solid gold;border-radius:8px;margin-bottom:30px;padding:20px}.glossary-summary-box h2{border:none;color:#888;font-size:16px;margin:0 0 8px;padding:0}.glossary-summary-box p{color:#444;font-size:16px;line-height:1.8;margin:0}.glossary-description h2{border-left:4px solid gold;color:#333;font-size:22px;margin-bottom:20px;margin-top:40px;padding-left:15px}.glossary-description-text{color:#555;font-size:15px;line-height:1.9;white-space:pre-line}.glossary-tips-box{background:#fff8e1;border:1px solid #ffe082;border-radius:8px;margin:30px 0;padding:20px}.glossary-tips-box h2{border:none;color:#f57c00;font-size:18px;margin:0 0 12px;padding:0}.glossary-tips-box ul{margin:0;padding:0 0 0 20px}.glossary-tips-box li{color:#555;font-size:15px;line-height:1.8;margin-bottom:8px}.glossary-related{background:#f5f5f5;border-radius:8px;margin-top:30px;padding:20px}.glossary-related h2{border:none;color:#333;font-size:18px;margin:0 0 12px;padding:0}.glossary-related-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}.glossary-related-list a{background:#fff;border:1px solid #ddd;border-radius:5px;color:#333;display:inline-block;font-size:14px;padding:8px 16px;text-decoration:none;transition:all .3s}.glossary-related-list a:hover{background:gold;border-color:gold}.glossary-back-link{color:#666;display:inline-block;font-size:14px;margin-top:30px;text-decoration:none}.glossary-back-link:hover{color:gold}@media (max-width:768px){.glossary-page{padding:20px 15px}.glossary-page h1{font-size:26px}.glossary-grid{grid-template-columns:1fr}.glossary-detail{padding:20px 15px}.glossary-detail h1{font-size:26px}.glossary-related-list{flex-direction:column}.glossary-related-list a{text-align:center;width:100%}}@media (max-width:480px){.glossary-categories{gap:6px}.glossary-category-btn{font-size:13px;padding:6px 12px}.glossary-card{padding:16px}.glossary-card-name{font-size:16px}}.ai-chat-container{bottom:20px;font-family:inherit;position:fixed;right:20px;z-index:1000}.ai-chat-toggle-btn{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50%;box-shadow:0 4px 20px #667eea66;color:#fff;cursor:pointer;display:flex;font-size:28px;height:60px;justify-content:center;transition:all .3s ease;width:60px}.ai-chat-toggle-btn:hover{box-shadow:0 6px 25px #667eea80;transform:scale(1.1)}.ai-chat-toggle-btn.open{animation:none;background:#e74c3c;font-size:24px}@keyframes pulse{0%,to{box-shadow:0 4px 20px #667eea66}50%{box-shadow:0 4px 30px #667eea99}}.ai-chat-toggle-btn:not(.open){animation:pulse 2s infinite}.ai-chat-toggle-btn:not(.open):hover{animation:none}@keyframes botFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.ai-chat-toggle-btn:not(.open) svg{animation:botFloat 2.5s ease-in-out infinite}.ai-chat-toggle-btn:not(.open):hover svg{animation:none}.ai-chat-window{animation:slideUp .3s ease;background:#fff;border-radius:16px;bottom:80px;box-shadow:0 10px 40px #00000026;display:flex;flex-direction:column;height:580px;max-height:calc(100vh - 120px);overflow:hidden;position:absolute;right:0;width:420px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.ai-chat-header{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;justify-content:space-between;padding:16px 20px}.ai-chat-header-left{align-items:center;display:flex;gap:10px}.ai-chat-icon{align-items:center;display:flex;font-size:24px;justify-content:center}.ai-chat-title{font-size:16px;font-weight:600}.ai-chat-header-right{display:flex;gap:8px}.ai-chat-clear-btn,.ai-chat-close-btn{align-items:center;background:#fff3;border:none;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-size:16px;height:32px;justify-content:center;transition:all .2s;width:32px}.ai-chat-clear-btn:hover,.ai-chat-close-btn:hover{background:#ffffff4d;transform:scale(1.05)}.ai-chat-rate-limit{background:#f0f4ff;border-bottom:1px solid #e0e7ff;font-size:12px;padding:8px 16px}.ai-chat-rate-limit.exceeded{background:#fef2f2;border-bottom-color:#fecaca}.ai-chat-rate-limit-info{align-items:center;display:flex;gap:8px;justify-content:space-between}.ai-chat-rate-limit-count{color:#4b5563}.ai-chat-rate-limit-reset,.ai-chat-rate-limit.exceeded .ai-chat-rate-limit-count{color:#dc2626;font-weight:500}.ai-chat-rate-limit-reset{align-items:center;display:flex;gap:4px}.ai-chat-rate-limit-reset svg{flex-shrink:0}.ai-chat-messages{background:#f8f9fa;flex:1 1;overflow-y:auto;padding:16px}.ai-chat-welcome{padding:20px 10px;text-align:center}.ai-chat-welcome p{color:#666;font-size:14px;line-height:1.5}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ai-chat-message{animation:messageSlideIn .3s ease-out;display:flex;margin-bottom:12px}.ai-chat-message.user{justify-content:flex-end}.ai-chat-message.assistant{justify-content:flex-start}.ai-chat-message-content{word-wrap:break-word;border-radius:16px;font-size:14px;line-height:1.5;max-width:85%;padding:12px 16px;white-space:pre-wrap}.ai-chat-message.user .ai-chat-message-content{background:linear-gradient(135deg,#667eea,#764ba2);border-bottom-right-radius:4px;color:#fff}.ai-chat-message.assistant .ai-chat-message-content{background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 3px #0000001a;color:#333}.ai-chat-message.assistant .ai-chat-message-content a{color:#667eea;text-decoration:underline;word-break:break-all}.ai-chat-message.assistant .ai-chat-message-content a:hover{color:#764ba2}.ai-chat-message-content.loading{padding:12px 20px}.loading-dots{display:inline-flex;gap:4px}.loading-dots span{animation:bounce 1.4s ease-in-out infinite both;color:#667eea;font-size:20px}.loading-dots span:first-child{animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.ai-chat-error{animation:messageSlideIn .3s ease-out;background:#fee;border-radius:8px;color:#c53030;font-size:13px;margin-bottom:12px;padding:10px 14px}.ai-chat-input-container{align-items:flex-end;background:#fff;border-top:1px solid #eee;display:flex;gap:8px;padding:12px 16px}.ai-chat-input{border:2px solid #e0e0e0;border-radius:22px;flex:1 1;font-family:inherit;font-size:14px;line-height:1.4;max-height:120px;min-height:44px;outline:none;padding:12px 16px;resize:none;transition:border-color .2s,box-shadow .2s}.ai-chat-input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.ai-chat-input:disabled{background:#f5f5f5}.ai-chat-send-btn{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;font-size:14px;font-weight:500;height:44px;justify-content:center;min-width:44px;padding:0;transition:all .2s;width:44px}.ai-chat-send-btn:hover:not(:disabled){box-shadow:0 4px 15px #667eea66;transform:scale(1.1)}.ai-chat-send-btn:active:not(:disabled){transform:scale(.95)}.ai-chat-send-btn:disabled{cursor:not-allowed;opacity:.5}@media (max-width:1024px){.ai-chat-window{height:550px;width:400px}}@media (max-width:768px){.ai-chat-window{height:500px;width:360px}}@media (max-width:480px){.ai-chat-window{bottom:70px;height:calc(100vh - 140px);right:-10px;width:calc(100vw - 40px)}.ai-chat-toggle-btn{font-size:24px;height:50px;width:50px}.ai-chat-input{min-height:40px}.ai-chat-send-btn{height:40px;min-width:40px;width:40px}}.darch-chat{background:#f7f7f8;display:flex;flex-direction:column;height:calc(100vh - 60px)}.darch-header{align-items:center;background:#fff;border-bottom:1px solid #e5e5e5;display:flex;flex-shrink:0;justify-content:space-between;padding:12px 24px}.darch-header-left{align-items:center;display:flex;gap:10px}.darch-header-icon{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;color:#fff;display:flex;height:32px;justify-content:center;width:32px}.darch-header-title{color:#1a1a1a;font-size:18px;font-weight:600}.darch-header-right{align-items:center;display:flex;gap:12px}.darch-rate-limit{align-items:center;color:#6b7280;display:flex;font-size:12px;gap:4px}.darch-rate-limit.exceeded{color:#dc2626;font-weight:500}.darch-clear-btn{align-items:center;background:#0000;border:1px solid #e5e5e5;border-radius:8px;color:#6b7280;cursor:pointer;display:flex;font-size:13px;gap:6px;padding:6px 12px;transition:all .2s}.darch-clear-btn:hover{background:#f3f4f6;border-color:#d1d5db;color:#374151}.darch-messages{flex:1 1;overflow-y:auto;padding:24px 16px}.darch-messages-inner{margin:0 auto;max-width:720px}.darch-welcome{flex-direction:column;height:100%;padding:40px 20px;text-align:center}.darch-welcome,.darch-welcome-icon{align-items:center;display:flex;justify-content:center}.darch-welcome-icon{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:16px;color:#fff;height:64px;margin-bottom:20px;width:64px}.darch-welcome-title{color:#1a1a1a;font-size:24px;font-weight:700;margin-bottom:8px}.darch-welcome-subtitle{color:#6b7280;font-size:15px;max-width:400px}.darch-message{animation:darchMessageIn .3s ease-out;display:flex;gap:12px;margin-bottom:24px}@keyframes darchMessageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.darch-message.user{justify-content:flex-end}.darch-message.assistant{justify-content:flex-start}.darch-avatar{align-items:flex-start;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;color:#fff;display:flex;flex-shrink:0;height:32px;justify-content:center;margin-top:2px;min-width:32px;width:32px}.darch-avatar svg{margin-top:4px}.darch-message-bubble{word-wrap:break-word;border-radius:16px;font-size:15px;line-height:1.6;max-width:80%;padding:14px 18px;white-space:pre-wrap}.darch-message.user .darch-message-bubble{background:linear-gradient(135deg,#667eea,#764ba2);border-bottom-right-radius:4px;color:#fff}.darch-message.assistant .darch-message-bubble{background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 3px #00000014;color:#1a1a1a}.darch-message.assistant .darch-message-bubble a{color:#667eea;text-decoration:underline;word-break:break-all}.darch-message.assistant .darch-message-bubble a:hover{color:#764ba2}.darch-message-bubble.loading{padding:14px 22px}.darch-loading-dots{display:inline-flex;gap:4px}.darch-loading-dots span{animation:darchBounce 1.4s ease-in-out infinite both;color:#667eea;font-size:20px}.darch-loading-dots span:first-child{animation-delay:-.32s}.darch-loading-dots span:nth-child(2){animation-delay:-.16s}@keyframes darchBounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.darch-error{animation:darchMessageIn .3s ease-out;background:#fef2f2;border-radius:10px;color:#c53030;font-size:14px;margin-bottom:16px;padding:12px 16px}.darch-input-area{background:#f7f7f8;border-top:1px solid #e5e5e5;flex-shrink:0;padding:16px}.darch-input-inner{align-items:flex-end;background:#fff;border:2px solid #e5e5e5;border-radius:24px;display:flex;gap:10px;margin:0 auto;max-width:720px;padding:8px 8px 8px 18px;transition:border-color .2s,box-shadow .2s}.darch-input-inner:focus-within{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.darch-input{background:#0000;border:none;flex:1 1;font-family:inherit;font-size:15px;line-height:1.5;max-height:150px;min-height:24px;outline:none;padding:8px 0;resize:none}.darch-input:disabled{opacity:.5}.darch-send-btn{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;height:40px;justify-content:center;min-width:40px;padding:0;transition:all .2s;width:40px}.darch-send-btn:hover:not(:disabled){box-shadow:0 4px 15px #667eea66;transform:scale(1.1)}.darch-send-btn:active:not(:disabled){transform:scale(.95)}.darch-send-btn:disabled{cursor:not-allowed;opacity:.4}@media (max-width:768px){.darch-header{padding:10px 16px}.darch-header-title{font-size:16px}.darch-messages{padding:16px 12px}.darch-message-bubble{font-size:14px;max-width:90%}.darch-input-area{padding:12px}.darch-welcome-title{font-size:20px}}@media (max-width:480px){.darch-header{padding:8px 12px}.darch-rate-limit{display:none}.darch-messages{padding:12px 8px}.darch-message{gap:8px;margin-bottom:16px}.darch-message-bubble{font-size:14px;max-width:92%;padding:10px 14px}.darch-input-area{padding:8px}.darch-input-inner{padding:6px 6px 6px 14px}.darch-welcome-icon{border-radius:12px;height:52px;width:52px}.darch-welcome-title{font-size:18px}.darch-welcome-subtitle{font-size:13px}}.mechanism-detail{margin:0 auto;max-width:900px;min-height:calc(100vh - 200px);padding:40px 20px}.mechanism-detail h1{border-bottom:3px solid gold;color:#333;font-size:32px;margin-bottom:10px;padding-bottom:15px}.mechanism-detail .breadcrumb{color:#888;font-size:12px;margin-bottom:20px}.mechanism-detail .breadcrumb a{color:#666;text-decoration:none}.mechanism-detail .breadcrumb a:hover{color:gold}.mechanism-detail .intro{background:#f9f9f9;border-left:4px solid gold;border-radius:8px;color:#444;font-size:16px;line-height:1.8;margin-bottom:30px;padding:20px}.mechanism-detail h2{border-left:4px solid gold;color:#333;font-size:22px;margin-bottom:20px;margin-top:40px;padding-left:15px}.mechanism-detail h3{color:#444;font-size:18px;margin-bottom:15px;margin-top:25px}.mechanism-detail p{color:#555;font-size:15px;line-height:1.9;margin-bottom:15px}.mechanism-detail ul{margin:15px 0 20px 25px;padding:0}.mechanism-detail li{color:#555;font-size:15px;line-height:1.8;margin-bottom:10px}.mechanism-detail .item-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 2px 4px #0000000d;margin-bottom:20px;padding:20px;transition:box-shadow .3s}.mechanism-detail .item-card:hover{box-shadow:0 4px 8px #0000001a}.mechanism-detail .item-card h3{align-items:center;color:#333;display:flex;font-size:18px;gap:10px;margin-top:0}.mechanism-detail .item-card h3:before{background:gold;border-radius:50%;content:"";display:inline-block;height:8px;width:8px}.mechanism-detail .item-card p{margin-bottom:0}.mechanism-detail .tips-box{background:#fff8e1;border:1px solid #ffe082;border-radius:8px;margin:30px 0;padding:20px}.mechanism-detail .tips-box h3{color:#f57c00;margin-top:0}.mechanism-detail .related-links{background:#f5f5f5;border-radius:8px;margin-top:40px;padding:20px}.mechanism-detail .related-links h3{color:#333;margin-top:0}.mechanism-detail .related-links ul{display:flex;flex-wrap:wrap;gap:15px;list-style:none;margin:0;padding:0}.mechanism-detail .related-links li{margin:0}.mechanism-detail .related-links a{background:#fff;border:1px solid #ddd;border-radius:5px;color:#333;display:inline-block;padding:10px 20px;text-decoration:none;transition:all .3s}.mechanism-detail .related-links a:hover{background:gold;border-color:gold}.mechanism-detail .back-link{color:#666;display:inline-block;font-size:14px;margin-top:30px;text-decoration:none}.mechanism-detail .back-link:hover{color:gold}.mechanism-detail .card-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));margin:20px 0}@media (max-width:768px){.mechanism-detail{padding:20px 15px}.mechanism-detail h1{font-size:26px}.mechanism-detail h2{font-size:20px}.mechanism-detail .intro{font-size:14px;padding:15px}.mechanism-detail .card-grid{grid-template-columns:1fr}.mechanism-detail .related-links ul{flex-direction:column}.mechanism-detail .related-links a{text-align:center;width:100%}}
/*# sourceMappingURL=main.670569ac.css.map*/