.header{position:fixed;top:0;left:0;right:0;background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow);z-index:1000;transition:var(--transition)}.header-container{max-width:1400px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.2rem;font-weight:700;color:var(--primary-color);transition:var(--transition)}.logo:hover{transform:translateY(-2px)}.logo-icon{font-size:1.5rem}.mobile-menu-toggle{display:none;width:40px;height:40px;position:relative}.hamburger{position:absolute;width:24px;height:2px;background:var(--text-color);top:50%;left:50%;transform:translate(-50%,-50%);transition:var(--transition)}.hamburger:before,.hamburger:after{content:"";position:absolute;width:24px;height:2px;background:var(--text-color);left:0;transition:var(--transition)}.hamburger:before{top:-8px}.hamburger:after{bottom:-8px}.hamburger.open{background:transparent}.hamburger.open:before{top:0;transform:rotate(45deg)}.hamburger.open:after{bottom:0;transform:rotate(-45deg)}.nav{display:flex;gap:2rem}.nav a{font-weight:500;color:var(--text-color);transition:var(--transition);position:relative;padding:.5rem 0}.nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-color);transition:var(--transition)}.nav a:hover{color:var(--primary-color)}.nav a:hover:after{width:100%}.footer{background:linear-gradient(135deg,#2c1810,#4a2c1f);color:#e8d5c4;padding:4rem 2rem 2rem;margin-top:4rem}.footer-container{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;margin-bottom:3rem}.footer-section h3{color:var(--secondary-color);margin-bottom:1rem;font-size:1.05rem}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section a{color:#c9b8a8;transition:var(--transition);display:inline-block}.footer-section a:hover{color:var(--secondary-color);transform:translate(5px)}.social-links{display:flex;gap:1rem;font-size:1.5rem}.social-links a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ffffff1a;border-radius:50%;transition:var(--transition)}.social-links a:hover{background:#fff3;transform:translateY(-3px)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);color:#a89885}.footer-bottom p{margin:.25rem 0}.hero-section{position:relative;height:600px;overflow:hidden;margin-bottom:4rem}.hero-slider{position:relative;width:100%;height:100%}.hero-slide{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease}.hero-slide:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to right,#000000b3,#0000004d)}.hero-slide.active{opacity:1;z-index:1}.hero-content{position:relative;z-index:2;max-width:1400px;margin:0 auto;padding:0 2rem;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}.hero-category{display:inline-block;background:var(--primary-color);color:#fff;padding:.4rem 1.2rem;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:1rem;width:fit-content}.hero-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.hero-description{font-size:1.1rem;margin-bottom:2rem;max-width:600px;line-height:1.8;text-shadow:1px 1px 2px rgba(0,0,0,.5)}.hero-button{display:inline-block;background:var(--primary-color);color:#fff;padding:.85rem 2.5rem;border-radius:50px;font-weight:600;font-size:1rem;transition:var(--transition);width:fit-content}.hero-button:hover{background:var(--accent-color);transform:translateY(-3px);box-shadow:0 8px 20px #0000004d}.hero-indicators{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);display:flex;gap:.75rem;z-index:3}.indicator{width:12px;height:12px;border-radius:50%;background:#ffffff80;border:none;cursor:pointer;transition:var(--transition)}.indicator.active{background:#fff;width:30px;border-radius:6px}.section{max-width:1400px;margin:0 auto 5rem;padding:0 2rem}.section-header{text-align:center;margin-bottom:3rem}.section-title{font-size:1.8rem;font-weight:700;color:var(--text-color);margin-bottom:.5rem}.section-subtitle{font-size:1rem;color:var(--text-light)}.video-card{display:block;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);height:100%}.video-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}.video-thumbnail{position:relative;padding-top:56.25%;overflow:hidden;background:var(--bg-light)}.video-thumbnail img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:var(--transition)}.video-card:hover .video-thumbnail img{transform:scale(1.05)}.video-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0000;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.video-card:hover .video-overlay{background:#0000004d}.play-icon{font-size:3rem;color:#fff;opacity:0;transform:scale(.5);transition:var(--transition)}.video-card:hover .play-icon{opacity:1;transform:scale(1)}.video-duration{position:absolute;bottom:.75rem;right:.75rem;background:#000c;color:#fff;padding:.25rem .75rem;border-radius:4px;font-size:.85rem;font-weight:600}.video-info{padding:1.25rem}.video-title{font-size:1rem;font-weight:600;margin-bottom:.5rem;color:var(--text-color);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-description{font-size:.9rem;color:var(--text-light);margin-bottom:.75rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.video-meta{display:flex;gap:1rem;font-size:.85rem;color:var(--text-lighter);margin-bottom:.75rem}.video-tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{background:var(--bg-cream);color:var(--accent-color);padding:.25rem .75rem;border-radius:12px;font-size:.8rem;font-weight:500}.video-grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-5{grid-template-columns:repeat(5,1fr)}.video-masonry{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;grid-auto-flow:dense}.video-card.large{grid-row:span 2}.horizontal-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--primary-color) var(--bg-light);padding-bottom:1rem}.horizontal-scroll::-webkit-scrollbar{height:8px}.horizontal-scroll::-webkit-scrollbar-track{background:var(--bg-light);border-radius:4px}.horizontal-scroll::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}.scroll-container{display:flex;gap:2rem;padding:.5rem 0}.scroll-item{flex:0 0 350px}.video-card.wide{width:350px}.video-list{display:flex;flex-direction:column;gap:1.5rem}.list-item{display:flex;gap:1.5rem;background:#fff;padding:1.5rem;border-radius:16px;box-shadow:var(--shadow);transition:var(--transition);align-items:center}.list-item:hover{transform:translate(8px);box-shadow:var(--shadow-hover)}.list-number{font-size:1.5rem;font-weight:700;color:var(--primary-color);min-width:50px;text-align:center}.list-thumbnail{width:150px;height:100px;object-fit:cover;border-radius:8px}.list-info{flex:1}.list-title{font-size:1.05rem;font-weight:700;margin-bottom:.5rem;color:var(--text-color)}.list-description{font-size:.95rem;color:var(--text-light);margin-bottom:.75rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.list-meta{display:flex;gap:1.5rem;font-size:.9rem;color:var(--text-lighter)}.video-detail{max-width:1400px;margin:0 auto;padding:2rem}.breadcrumb{margin-bottom:2rem;font-size:.9rem;color:var(--text-lighter)}.breadcrumb a{color:var(--primary-color);transition:var(--transition)}.breadcrumb a:hover{color:var(--accent-color)}.video-main{display:grid;grid-template-columns:1fr 350px;gap:2rem}.video-player-section{background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.hls-player{position:relative;background:#000;aspect-ratio:16 / 9}.video-element{width:100%;height:100%;display:block}.player-loading,.player-error{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000e6;color:#fff;z-index:10}.player-error{background:#8b0000e6}.video-header{padding:2rem;border-bottom:1px solid var(--border-color)}.video-detail .video-title{font-size:1.6rem;font-weight:700;margin-bottom:1rem;color:var(--text-color)}.video-stats{display:flex;flex-wrap:wrap;gap:2rem;font-size:.95rem;color:var(--text-light)}.stat-item{display:flex;align-items:center;gap:.5rem}.stat-icon{font-size:1.2rem}.video-description-section,.video-review-section{padding:2rem;border-bottom:1px solid var(--border-color)}.video-description-section h2,.video-review-section h2{font-size:1.3rem;margin-bottom:1rem;color:var(--text-color)}.video-description{font-size:1.05rem;line-height:1.8;color:var(--text-light)}.video-tags-section{margin-top:1.5rem}.video-tags-section h3{font-size:1.05rem;margin-bottom:.75rem;color:var(--text-color)}.tags-list{display:flex;flex-wrap:wrap;gap:.75rem}.tags-list .tag{font-size:.9rem;padding:.5rem 1rem}.review-content{background:var(--bg-cream);padding:1.5rem;border-radius:12px;border-left:4px solid var(--primary-color)}.review-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.reviewer-avatar{width:50px;height:50px;background:var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.reviewer-info{flex:1}.reviewer-name{font-weight:700;color:var(--text-color);margin-bottom:.25rem}.review-date{font-size:.85rem;color:var(--text-lighter)}.review-rating{display:flex;flex-direction:column;align-items:flex-end}.rating-stars{font-size:1.2rem;margin-bottom:.25rem}.rating-score{font-size:1.1rem;font-weight:700;color:var(--primary-color)}.review-text{font-size:1rem;line-height:1.9;color:var(--text-color)}.video-sidebar{position:sticky;top:100px;height:fit-content}.sidebar-section{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:var(--shadow)}.sidebar-section h3{font-size:1.15rem;margin-bottom:1.5rem;color:var(--text-color)}.related-videos{display:flex;flex-direction:column;gap:1rem}.related-video-item{display:flex;gap:1rem;padding:.75rem;border-radius:8px;transition:var(--transition)}.related-video-item:hover{background:var(--bg-cream)}.related-thumbnail{width:120px;height:80px;object-fit:cover;border-radius:8px}.related-info{flex:1}.related-title{font-size:.9rem;font-weight:600;margin-bottom:.5rem;color:var(--text-color);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.related-meta{display:flex;gap:1rem;font-size:.8rem;color:var(--text-lighter)}.info-page{max-width:1000px;margin:0 auto;padding:2rem}.page-header{text-align:center;margin-bottom:3rem;padding:3rem 0;background:linear-gradient(135deg,var(--bg-cream) 0%,white 100%);border-radius:16px}.page-header h1{font-size:2rem;font-weight:700;color:var(--primary-color);margin-bottom:.5rem}.page-subtitle{font-size:1.05rem;color:var(--text-light)}.info-content{background:#fff;border-radius:16px;padding:3rem;box-shadow:var(--shadow)}.info-section{margin-bottom:3rem}.info-section:last-child{margin-bottom:0}.info-section h2{font-size:1.5rem;font-weight:700;color:var(--text-color);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:3px solid var(--primary-color)}.info-section h3{font-size:1.15rem;font-weight:600;color:var(--accent-color);margin:1.5rem 0 1rem}.info-section p{font-size:1.05rem;line-height:1.9;color:var(--text-light);margin-bottom:1rem}.info-section ul,.info-section ol{margin-left:2rem;margin-bottom:1rem}.info-section li{font-size:1.05rem;line-height:1.8;color:var(--text-light);margin-bottom:.5rem}.timeline{position:relative;padding-left:2rem}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary-color)}.timeline-item{position:relative;margin-bottom:2rem}.timeline-item:before{content:"";position:absolute;left:-2.5rem;top:.5rem;width:16px;height:16px;border-radius:50%;background:var(--primary-color);border:3px solid white;box-shadow:0 0 0 3px var(--primary-color)}.timeline-year{display:inline-block;background:var(--primary-color);color:#fff;padding:.5rem 1rem;border-radius:20px;font-weight:700;margin-bottom:.75rem}.timeline-content h3{font-size:1.3rem;margin-bottom:.5rem;color:var(--text-color)}.timeline-content p{color:var(--text-light)}.mission-grid,.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.mission-item,.contact-item{text-align:center;padding:2rem;background:var(--bg-cream);border-radius:12px;transition:var(--transition)}.mission-item:hover,.contact-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.mission-icon,.contact-icon{font-size:3rem;margin-bottom:1rem}.mission-item h3,.contact-item h3{font-size:1.2rem;color:var(--text-color);margin-bottom:.75rem}.mission-item p,.contact-item p{font-size:.95rem;color:var(--text-light)}.contact-methods{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.method-card{text-align:center;padding:2rem;background:#fff;border:2px solid var(--border-color);border-radius:12px;transition:var(--transition)}.method-card:hover{border-color:var(--primary-color);transform:translateY(-5px);box-shadow:var(--shadow-hover)}.method-icon{font-size:3rem;margin-bottom:1rem}.method-card h3{font-size:1.1rem;color:var(--text-color);margin-bottom:.75rem}.method-card p{font-size:1rem;color:var(--text-light);margin-bottom:1.5rem}.contact-button{background:var(--primary-color);color:#fff;padding:.75rem 2rem;border-radius:25px;font-weight:600;transition:var(--transition)}.contact-button:hover{background:var(--accent-color);transform:scale(1.05)}.help-categories{display:grid;gap:2rem}.help-category{background:var(--bg-cream);padding:2rem;border-radius:12px;border-left:4px solid var(--primary-color)}.help-category h3{font-size:1.2rem;color:var(--text-color);margin-bottom:1.5rem}.help-list{list-style:none;margin:0}.help-list li{margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.help-list li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.help-list strong{display:block;font-size:1.1rem;color:var(--accent-color);margin-bottom:.5rem}.guide-steps{display:grid;gap:2rem;margin-top:2rem}.guide-step{display:flex;gap:1.5rem;padding:1.5rem;background:var(--bg-cream);border-radius:12px}.step-number{flex-shrink:0;width:50px;height:50px;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.step-content h3{font-size:1.2rem;color:var(--text-color);margin-bottom:.5rem}.step-content p{font-size:1rem;color:var(--text-light)}.faq-list{display:grid;gap:1rem}.faq-item{background:var(--bg-cream);border-radius:8px;overflow:hidden}.faq-item summary{padding:1.5rem;font-size:1.1rem;font-weight:600;color:var(--text-color);cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none;transition:var(--transition)}.faq-item summary:hover{background:var(--border-color)}.faq-item summary:before{content:"▶";display:inline-block;margin-right:.75rem;transition:var(--transition)}.faq-item[open] summary:before{transform:rotate(90deg)}.faq-item p{padding:0 1.5rem 1.5rem;color:var(--text-light)}.copyright-notice{display:flex;align-items:center;gap:2rem;background:var(--bg-cream);padding:2rem;border-radius:12px;margin:2rem 0;border-left:4px solid var(--primary-color)}.notice-icon{font-size:4rem;color:var(--primary-color)}.notice-content h3{font-size:1.5rem;color:var(--text-color);margin-bottom:.5rem}.notice-content p{font-size:1.05rem;color:var(--text-light);margin:0}.rules-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.rule-item{padding:2rem;border-radius:12px;border:2px solid}.rule-item.allowed{background:#f0f9f4;border-color:#4caf50}.rule-item.forbidden{background:#fff3f3;border-color:#f44336}.rule-icon{font-size:3rem;font-weight:700;margin-bottom:1rem}.rule-item.allowed .rule-icon{color:#4caf50}.rule-item.forbidden .rule-icon{color:#f44336}.rule-item h3{font-size:1.3rem;margin-bottom:1rem}.rule-item ul{list-style:none;margin:0}.rule-item li{padding-left:1.5rem;position:relative;margin-bottom:.75rem}.rule-item.allowed li:before{content:"✓";position:absolute;left:0;color:#4caf50;font-weight:700}.rule-item.forbidden li:before{content:"✗";position:absolute;left:0;color:#f44336;font-weight:700}.disclaimer-content,.terms-content,.contact-info{background:var(--bg-cream);padding:2rem;border-radius:12px;margin-top:1.5rem}.contact-info p{font-size:1.1rem;margin-bottom:.75rem}.not-found-page{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:2rem}.not-found-content{text-align:center;max-width:500px}.not-found-icon{font-size:5rem;margin-bottom:1rem}.not-found-title{font-size:4rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem}.not-found-subtitle{font-size:1.5rem;color:var(--text-color);margin-bottom:1rem}.not-found-text{font-size:1.1rem;color:var(--text-light);margin-bottom:2rem}.not-found-button{display:inline-block;background:var(--primary-color);color:#fff;padding:1rem 3rem;border-radius:50px;font-weight:600;transition:var(--transition)}.not-found-button:hover{background:var(--accent-color);transform:translateY(-3px);box-shadow:var(--shadow-hover)}@media (max-width: 1200px){.grid-5{grid-template-columns:repeat(4,1fr)}.hero-title{font-size:2.2rem}}@media (max-width: 992px){.grid-4,.grid-5{grid-template-columns:repeat(3,1fr)}.video-main{grid-template-columns:1fr}.video-sidebar{position:static}.hero-title{font-size:2rem}.hero-description{font-size:1.05rem}}@media (max-width: 768px){.mobile-menu-toggle{display:block}.nav{position:fixed;top:80px;left:0;right:0;background:#fff;flex-direction:column;padding:2rem;box-shadow:var(--shadow);transform:translateY(-100%);opacity:0;pointer-events:none;transition:var(--transition)}.nav.open{transform:translateY(0);opacity:1;pointer-events:all}.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}.hero-section{height:400px}.hero-title{font-size:1.6rem}.hero-description{font-size:.95rem}.section-title{font-size:1.5rem}.list-item{flex-direction:column}.list-thumbnail{width:100%;height:200px}.scroll-item{flex:0 0 280px}.video-card.wide{width:280px}.page-header h1{font-size:2rem}.info-content{padding:2rem}.timeline{padding-left:1.5rem}}@media (max-width: 576px){.header-container{padding:1rem}.section{padding:0 1rem}.grid-2,.grid-3,.grid-4,.grid-5,.video-masonry{grid-template-columns:1fr}.hero-section{height:300px}.hero-title{font-size:1.5rem}.hero-description{font-size:.9rem}.hero-button{padding:.75rem 2rem;font-size:1rem}.section-title{font-size:1.5rem}.video-detail{padding:1rem}.video-header{padding:1.5rem}.video-detail .video-title{font-size:1.3rem}.video-description-section,.video-review-section{padding:1.5rem}.related-thumbnail{width:100px;height:67px}.info-page{padding:1rem}.info-content{padding:1.5rem}.page-header{padding:2rem 1rem}.page-header h1{font-size:1.5rem}.mission-grid,.contact-grid,.rules-grid{grid-template-columns:1fr}.footer{padding:3rem 1rem 1.5rem}.footer-container{grid-template-columns:1fr;gap:2rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #d4a574;--secondary-color: #e8c9a6;--accent-color: #c98d5f;--text-color: #333;--text-light: #666;--text-lighter: #999;--bg-color: #fff;--bg-light: #f8f5f1;--bg-cream: #faf7f3;--border-color: #e5e0db;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .15);--transition: all .3s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--text-color);background:var(--bg-light);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding-top:80px}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{cursor:pointer;border:none;background:none;font-family:inherit}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}