/* ============================================ */
/* 本地像素字体 Press Start 2P（OFL 开源协议）— 替代外链 CDN，消除第三方依赖与隐私泄漏 */
@font-face {
  font-family: 'Press Start 2P';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/press-start-2p.woff2) format('woff2');
}

/*  实验中学服务器官网 - 样式表  */
/*  更新样式只需要修改这个文件  */
/* ============================================ */

*{margin:0;padding:0;box-sizing:border-box}
/* 无障碍：键盘焦点样式 */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(78,205,196,0.3);
}
/* 跳过导航链接 */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--cyan);
  color: var(--bg-deep);
  padding: 12px 24px;
  z-index: 10001;
  font-weight: bold;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}
:root{
  --bg-deep:#070a14;--bg-card:#0d1224;--bg-card2:#111830;
  --brick:#c8553d;--brick-light:#e07a5f;--cyan:#4ecdc4;
  --gold:#f4d35e;--purple:#9b5de5;--text:#e8eaf0;
  --text-dim:#8b90a5;--border:#1e2540;
  --pixel-shadow:4px 4px 0 rgba(0,0,0,0.5);
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif;background:var(--bg-deep);color:var(--text);line-height:1.8;overflow-x:hidden;position:relative}
#scroll-progress{position:fixed;top:0;left:0;height:3px;width:0%;background:linear-gradient(90deg,var(--cyan),var(--purple),var(--gold));z-index:10000;transition:width 0.1s ease;box-shadow:0 0 10px var(--cyan)}
.stars-bg{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}
.star{position:absolute;background:#fff;border-radius:50%;animation:twinkle 3s infinite ease-in-out}
@keyframes twinkle{0%,100%{opacity:0.2}50%{opacity:1}}
.navbar{position:fixed;top:0;left:0;width:100%;z-index:9999;background:rgba(7,10,20,0.85);backdrop-filter:blur(12px);border-bottom:2px solid var(--border);padding:0 24px;transition:all 0.3s}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-logo{font-family:'Press Start 2P',cursive;font-size:13px;color:var(--gold);text-decoration:none;display:flex;align-items:center;gap:10px}
.nav-logo svg{width:24px;height:24px}
.nav-links{display:flex;gap:6px;list-style:none}
.nav-links a{color:var(--text-dim);text-decoration:none;font-size:14px;padding:8px 14px;border-radius:4px;transition:all 0.2s}
.nav-links a:hover{color:var(--cyan);background:rgba(78,205,196,0.1)}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}
@media(max-width:768px){.nav-links{display:none;position:absolute;top:60px;left:0;width:100%;background:rgba(7,10,20,0.97);flex-direction:column;padding:16px;border-bottom:2px solid var(--border)}.nav-links.open{display:flex}.nav-toggle{display:block}}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;background:url('og-image.jpg') center/cover no-repeat;filter:brightness(0.35) saturate(1.2);z-index:0}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,rgba(18,6,38,0.22) 0%,rgba(42,10,62,0.5) 60%,var(--bg-deep) 100%);z-index:1}
.hero-content{position:relative;z-index:2;padding:20px;max-width:900px}
.hero-badge{display:inline-block;font-family:'Press Start 2P',cursive;font-size:10px;color:var(--cyan);border:2px solid var(--cyan);padding:8px 16px;margin-bottom:28px;background:rgba(78,205,196,0.08);animation:pulse-glow 2s infinite}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 5px var(--cyan)}50%{box-shadow:0 0 20px var(--cyan),0 0 40px rgba(78,205,196,0.3)}}
.hero-title{font-family:'Press Start 2P',cursive;font-size:clamp(24px,5vw,48px);line-height:1.4;margin-bottom:20px;color:#fff;text-shadow:4px 4px 0 var(--brick),8px 8px 0 rgba(0,0,0,0.5)}
.hero-title .accent{color:var(--gold)}
.hero-subtitle{font-size:clamp(15px,2.5vw,20px);color:var(--text-dim);margin-bottom:36px;min-height:32px}
.hero-subtitle .typed{color:var(--cyan)}
.hero-subtitle .cursor{display:inline-block;width:3px;height:20px;background:var(--cyan);margin-left:2px;animation:blink 0.8s infinite;vertical-align:middle}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:'Press Start 2P',cursive;font-size:11px;padding:14px 28px;text-decoration:none;cursor:pointer;border:none;transition:all 0.2s;position:relative}
.btn-primary{background:var(--brick);color:#fff;border:2px solid var(--brick-light);box-shadow:var(--pixel-shadow)}
.btn-primary:hover{background:var(--brick-light);transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,0.5)}
.btn-secondary{background:transparent;color:var(--cyan);border:2px solid var(--cyan);box-shadow:var(--pixel-shadow)}
.btn-secondary:hover{background:rgba(78,205,196,0.15);transform:translate(-2px,-2px)}
.btn-qq{background:var(--purple);color:#fff;border:2px solid #b07df0;box-shadow:var(--pixel-shadow)}
.btn-qq:hover{background:#b07df0;transform:translate(-2px,-2px)}
.btn svg{width:16px;height:16px}
.announcement-bar{background:var(--bg-card);border-top:2px solid var(--border);border-bottom:2px solid var(--border);padding:12px 0;overflow:hidden;position:relative;z-index:2}
.announcement-track{display:flex;gap:60px;white-space:nowrap;animation:scroll-left 30s linear infinite}
.announcement-track:hover{animation-play-state:paused}
.announcement-item{font-size:14px;color:var(--gold);display:flex;align-items:center;gap:8px;flex-shrink:0}
.announcement-item svg{width:16px;height:16px;flex-shrink:0}
@keyframes scroll-left{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.video-section{position:relative;z-index:2;padding:60px 24px;max-width:1000px;margin:0 auto}
.video-wrapper{position:relative;width:100%;padding-bottom:56.25%;background:var(--bg-card);border:2px solid var(--border);box-shadow:var(--pixel-shadow);overflow:hidden}
.video-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}
.video-tip{text-align:center;margin-top:16px;font-size:13px;color:var(--text-dim)}
.video-tip a{color:var(--cyan);text-decoration:none}
.video-tip a:hover{text-decoration:underline}

.section{position:relative;z-index:2;padding:80px 24px;max-width:1200px;margin:0 auto}
.section-header{text-align:center;margin-bottom:56px}
.section-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;margin-bottom:16px;background:var(--bg-card);border:2px solid var(--cyan);color:var(--cyan);box-shadow:var(--pixel-shadow)}
.section-title{font-family:'Press Start 2P',cursive;font-size:clamp(18px,3vw,28px);color:#fff;margin-bottom:12px}
.section-title .accent{color:var(--cyan)}
.section-desc{color:var(--text-dim);font-size:15px;max-width:600px;margin:0 auto}
/* 关于服务器 Tabs */
.about-tabs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:28px 0 24px}
.about-tab{background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text-dim);padding:9px 22px;border-radius:10px;cursor:pointer;font-family:inherit;font-size:14px;transition:all .25s}
.about-tab:hover{color:var(--cyan);border-color:rgba(78,205,196,.5)}
.about-tab.active{background:linear-gradient(135deg,rgba(78,205,196,.18),rgba(44,181,168,.12));color:var(--cyan);border-color:var(--cyan);font-weight:700;box-shadow:0 0 0 1px rgba(78,205,196,.3)}
.about-pane{animation:about-fade .35s ease}
@keyframes about-fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:480px){.about-tab{padding:8px 14px;font-size:13px}}
.origin-content{background:var(--bg-card);border:2px solid var(--border);padding:40px;box-shadow:var(--pixel-shadow);position:relative}
.origin-content::before{content:'';position:absolute;top:-2px;left:-2px;width:20px;height:20px;border-top:4px solid var(--brick);border-left:4px solid var(--brick)}
.origin-content::after{content:'';position:absolute;bottom:-2px;right:-2px;width:20px;height:20px;border-bottom:4px solid var(--brick);border-right:4px solid var(--brick)}
.origin-content p{margin-bottom:16px;color:var(--text);font-size:15px}
.origin-content p.highlight{color:var(--gold);font-weight:500;border-left:3px solid var(--gold);padding-left:16px;margin:24px 0}
.origin-toggle{background:none;border:1px solid var(--cyan);color:var(--cyan);padding:8px 20px;cursor:pointer;font-size:13px;margin-top:16px;font-family:inherit;transition:all 0.2s}
.origin-toggle:hover{background:rgba(78,205,196,0.1)}
.origin-more{display:none}
.origin-more.show{display:block}
.timeline{position:relative;padding:20px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--cyan),var(--purple),var(--brick));transform:translateX(-50%)}
.timeline-item{display:flex;margin-bottom:48px;position:relative}
.timeline-item:nth-child(odd){flex-direction:row}
.timeline-item:nth-child(even){flex-direction:row-reverse}
.timeline-dot{position:absolute;left:50%;top:20px;width:16px;height:16px;background:var(--gold);border:3px solid var(--bg-deep);transform:translateX(-50%);box-shadow:0 0 12px var(--gold);z-index:2}
.timeline-content{width:45%;background:var(--bg-card);border:2px solid var(--border);padding:24px;box-shadow:var(--pixel-shadow);transition:transform 0.3s}
.timeline-content:hover{transform:translateY(-4px)}
.timeline-year{font-family:'Press Start 2P',cursive;font-size:14px;color:var(--gold);margin-bottom:8px}
.timeline-title{font-size:17px;font-weight:700;margin-bottom:8px;color:#fff}
.timeline-desc{font-size:14px;color:var(--text-dim)}
@media(max-width:768px){.timeline::before{left:20px}.timeline-dot{left:20px}.timeline-item,.timeline-item:nth-child(even){flex-direction:row;padding-left:50px}.timeline-content{width:100%}}
.plot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-bottom:40px}
.plot-card{background:var(--bg-card);border:2px solid var(--border);padding:28px;box-shadow:var(--pixel-shadow);transition:all 0.3s;position:relative;overflow:hidden}
.plot-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--purple),var(--cyan))}
.plot-card:hover{transform:translateY(-4px);border-color:var(--purple)}
.plot-action{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.plot-action:last-child{border-bottom:none}
.plot-action-icon{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-card2);border:1px solid var(--border);color:var(--cyan)}
.plot-action-text h4{font-size:15px;color:#fff;margin-bottom:4px}
.plot-action-text p{font-size:13px;color:var(--text-dim);margin:0}
.plot-full{background:var(--bg-card);border:2px solid var(--border);padding:36px;box-shadow:var(--pixel-shadow)}
.plot-full h3{font-family:'Press Start 2P',cursive;font-size:14px;color:var(--purple);margin-bottom:20px}
.plot-full p{margin-bottom:14px;font-size:14px;color:var(--text)}
.plot-full p.quote{color:var(--gold);font-style:italic;text-align:center;padding:16px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:24px 0}
.dungeon-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.dungeon-card{background:var(--bg-card);border:2px solid var(--border);padding:32px;box-shadow:var(--pixel-shadow);transition:all 0.3s;text-align:center;position:relative;overflow:hidden}
.dungeon-card:hover{transform:translateY(-6px)}
.dungeon-icon{width:64px;height:64px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;border:2px solid}
.dungeon-card.beginner .dungeon-icon{border-color:var(--cyan);color:var(--cyan);background:rgba(78,205,196,0.08)}
.dungeon-card.intermediate .dungeon-icon{border-color:var(--gold);color:var(--gold);background:rgba(244,211,94,0.08)}
.dungeon-card.advanced .dungeon-icon{border-color:var(--brick);color:var(--brick);background:rgba(200,85,61,0.08)}
.dungeon-card.beginner:hover{border-color:var(--cyan)}
.dungeon-card.intermediate:hover{border-color:var(--gold)}
.dungeon-card.advanced:hover{border-color:var(--brick)}
.dungeon-tier{font-family:'Press Start 2P',cursive;font-size:10px;margin-bottom:12px}
.dungeon-card.beginner .dungeon-tier{color:var(--cyan)}
.dungeon-card.intermediate .dungeon-tier{color:var(--gold)}
.dungeon-card.advanced .dungeon-tier{color:var(--brick)}
.dungeon-name{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.dungeon-desc{font-size:14px;color:var(--text-dim);margin-bottom:16px}
.dungeon-reward{font-size:13px;color:var(--gold);padding-top:12px;border-top:1px solid var(--border)}
.dungeon-boss-img{width:100%;aspect-ratio:16/9;object-fit:cover;border:2px solid var(--border);margin-bottom:16px;display:block}
.dungeon-card.spring:hover{border-color:#7cb342}
.dungeon-card.summer:hover{border-color:#e53935}
.dungeon-card.autumn:hover{border-color:#fb8c00}
.dungeon-card.goldcity:hover{border-color:#ffd600}
.dungeon-card.sky tower:hover{border-color:#29b6f6}
.dungeon-card.desire:hover{border-color:#ab47bc}
.dungeon-card.spring .dungeon-tier{color:#7cb342}
.dungeon-card.summer .dungeon-tier{color:#e53935}
.dungeon-card.autumn .dungeon-tier{color:#fb8c00}
.dungeon-card.goldcity .dungeon-tier{color:#ffd600}
.dungeon-card.skytower .dungeon-tier{color:#29b6f6}
.dungeon-card.desire .dungeon-tier{color:#ab47bc}
.qq-qr-section{margin-top:32px;padding-top:32px;border-top:1px solid var(--border);text-align:center}
.qq-qr-img{width:400px;height:auto;border:2px solid var(--purple);padding:0;background:#fff;box-shadow:var(--pixel-shadow);margin:0 auto;display:block;cursor:pointer;transition:transform 0.2s}
.qq-qr-label{font-size:15px;color:var(--text-dim)}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.gallery-item{position:relative;cursor:pointer;border:2px solid var(--border);overflow:hidden;box-shadow:var(--pixel-shadow);aspect-ratio:16/9;transition:all 0.3s}
.gallery-item:hover{border-color:var(--cyan);transform:scale(1.02)}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block}
.gallery-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.3s}
.gallery-item:hover .gallery-overlay{opacity:1}
.gallery-zoom{width:48px;height:48px;border:2px solid #fff;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px}
.lightbox{display:none;position:fixed;inset:0;z-index:99999;background:rgba(0,0,0,0.92);align-items:center;justify-content:center;padding:40px}
.lightbox.active{display:flex;animation:modal-pop .28s ease}
.lightbox img{max-width:90%;max-height:85vh;object-fit:contain;border:2px solid var(--border)}
.lightbox-close{position:absolute;top:20px;right:30px;background:none;border:none;color:#fff;font-size:36px;cursor:pointer;line-height:1}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.1);border:none;color:#fff;width:50px;height:50px;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.2s}
.lightbox-nav:hover{background:rgba(255,255,255,0.25)}
.lightbox-prev{left:20px}
.lightbox-next{right:20px}
.rules-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:768px){.rules-grid{grid-template-columns:1fr}}
.rule-column{background:var(--bg-card);border:2px solid var(--border);padding:32px;box-shadow:var(--pixel-shadow)}
.rule-column.forbid{border-top:3px solid var(--brick)}
.rule-column.allow{border-top:3px solid var(--cyan)}
.rule-column h3{font-family:'Press Start 2P',cursive;font-size:13px;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.rule-column.forbid h3{color:var(--brick)}
.rule-column.allow h3{color:var(--cyan)}
.rule-item{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}
.rule-item:last-child{border-bottom:none}
.rule-mark{flex-shrink:0;width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.rule-forbid .rule-mark{color:var(--brick);border:1px solid var(--brick)}
.rule-allow .rule-mark{color:var(--cyan);border:1px solid var(--cyan)}
.tutorial-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;counter-reset:step}
.tutorial-step{background:var(--bg-card);border:2px solid var(--border);padding:28px 24px;text-align:center;box-shadow:var(--pixel-shadow);position:relative;transition:all 0.3s}
.tutorial-step:hover{border-color:var(--gold);transform:translateY(-4px)}
.tutorial-step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:32px;height:32px;background:var(--gold);color:var(--bg-deep);font-family:'Press Start 2P',cursive;font-size:12px;display:flex;align-items:center;justify-content:center;box-shadow:var(--pixel-shadow)}
.tutorial-step-icon{width:56px;height:56px;margin:10px auto 16px;display:flex;align-items:center;justify-content:center;color:var(--cyan);border:2px solid var(--cyan);background:rgba(78,205,196,0.06)}
.tutorial-step h4{font-size:16px;color:#fff;margin-bottom:8px}
.tutorial-step p{font-size:13px;color:var(--text-dim);margin:0}
.tutorial-server-id{margin-top:32px;text-align:center;background:var(--bg-card);border:2px dashed var(--gold);padding:28px;box-shadow:var(--pixel-shadow)}
.tutorial-server-id .label{font-family:'Press Start 2P',cursive;font-size:11px;color:var(--gold);margin-bottom:12px}
.tutorial-server-id .id-display{display:inline-flex;align-items:center;gap:16px}
.tutorial-server-id .id-number{font-family:'Press Start 2P',cursive;font-size:clamp(20px,4vw,32px);color:#fff;letter-spacing:4px}
.copy-btn{background:var(--cyan);color:var(--bg-deep);border:none;padding:10px 18px;cursor:pointer;font-family:'Press Start 2P',cursive;font-size:10px;display:inline-flex;align-items:center;gap:6px;transition:all 0.2s;box-shadow:var(--pixel-shadow)}
.copy-btn:hover{background:#6ee7de;transform:translate(-1px,-1px)}
.copy-btn.copied{background:var(--gold)}
.copy-btn svg{width:14px;height:14px}
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.download-card{background:var(--bg-card);border:2px solid var(--border);padding:24px;box-shadow:var(--pixel-shadow);display:flex;align-items:center;gap:16px;transition:all 0.3s;text-decoration:none;color:inherit}
.download-card:hover{border-color:var(--cyan);transform:translateX(4px)}
.download-card.disabled{opacity:0.5;cursor:not-allowed}
.download-icon{flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg-card2);border:1px solid var(--border);color:var(--cyan)}
.download-info{flex:1}
.download-name{font-size:15px;font-weight:500;color:#fff;margin-bottom:4px}
.download-meta{font-size:12px;color:var(--text-dim)}
.download-arrow{color:var(--text-dim);font-size:20px}
.guestbook{background:var(--bg-card);border:2px solid var(--border);padding:32px;box-shadow:var(--pixel-shadow)}
.guestbook-form{margin-bottom:28px}
.guestbook-form input,.guestbook-form textarea{width:100%;background:var(--bg-deep);border:2px solid var(--border);color:var(--text);padding:12px 16px;font-family:inherit;font-size:14px;margin-bottom:12px;outline:none;transition:border-color 0.2s}
.guestbook-form input:focus,.guestbook-form textarea:focus{border-color:var(--cyan)}
.guestbook-form textarea{min-height:80px;resize:vertical}
.guestbook-form button{background:var(--brick);color:#fff;border:none;padding:12px 28px;cursor:pointer;font-family:inherit;font-size:14px;transition:background 0.2s}
.guestbook-form button:hover{background:var(--brick-light)}
.guestbook-list{display:flex;flex-direction:column;gap:16px}
.guestbook-item{background:var(--bg-card2);border:1px solid var(--border);padding:16px 20px}
.guestbook-item .gb-header{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px}
.guestbook-item .gb-name{color:var(--cyan);font-weight:500}
.guestbook-item .gb-time{color:var(--text-dim)}
.guestbook-item .gb-content{font-size:14px;color:var(--text)}
.gb-delete-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:12px;padding:2px 6px;margin-left:8px;opacity:0.5;transition:all 0.2s;border-radius:3px;vertical-align:middle}
.gb-delete-btn:hover{opacity:1;color:#e74c3c;background:rgba(231,76,60,0.1)}
.gb-footer{margin-top:10px;padding-top:8px;border-top:1px dashed var(--border);display:flex;justify-content:flex-end}
.gb-like-btn{background:none;border:1px solid var(--border);color:var(--text-dim);cursor:pointer;font-size:12px;padding:4px 10px;border-radius:12px;transition:all 0.2s;font-family:inherit}
.gb-like-btn:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,255,255,0.05)}
.gb-like-btn.liked{border-color:#e74c3c;color:#e74c3c;background:rgba(231,76,60,0.1);cursor:default}
.gb-like-count{margin-left:4px;font-weight:bold}
.guestbook-empty{text-align:center;color:var(--text-dim);padding:20px;font-size:14px}
.join-guide{background:linear-gradient(135deg,var(--bg-card),var(--bg-card2));border:2px solid var(--gold);padding:40px;box-shadow:var(--pixel-shadow);text-align:center;position:relative;overflow:hidden}
.join-guide::before{content:'';position:absolute;top:-50%;right:-20%;width:300px;height:300px;background:radial-gradient(circle,rgba(244,211,94,0.1),transparent 70%)}
.join-guide h3{font-family:'Press Start 2P',cursive;font-size:16px;color:var(--gold);margin-bottom:24px}
.join-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:28px;position:relative}
.join-info-item{background:rgba(0,0,0,0.3);border:1px solid var(--border);padding:20px;text-align:left}
.join-info-item .ji-label{font-size:12px;color:var(--text-dim);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}
.join-info-item .ji-value{font-size:16px;color:#fff;font-weight:500;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.join-info-item .ji-value.pixel{font-family:'Press Start 2P',cursive;font-size:14px;color:var(--gold)}
.join-status{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--cyan)}
.status-dot{width:10px;height:10px;background:var(--cyan);border-radius:50%;animation:status-pulse 2s infinite}
@keyframes status-pulse{0%,100%{box-shadow:0 0 0 0 rgba(78,205,196,0.6)}50%{box-shadow:0 0 0 8px rgba(78,205,196,0)}}
.join-qq{margin-top:20px;padding-top:20px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.join-qq .qq-number{font-family:'Press Start 2P',cursive;font-size:16px;color:var(--purple)}
.footer{position:relative;z-index:2;background:var(--bg-card);border-top:2px solid var(--border);padding:40px 24px;text-align:center}
.footer p{color:var(--text-dim);font-size:13px;margin-bottom:8px}
.footer .footer-qq{color:var(--purple);font-weight:500}
#back-to-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;background:var(--bg-card);border:2px solid var(--cyan);color:var(--cyan);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--pixel-shadow);opacity:0;visibility:hidden;transform:translateY(20px);transition:all 0.3s;z-index:9998}
#back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
#back-to-top:hover{background:var(--cyan);color:var(--bg-deep)}
#back-to-top svg{width:20px;height:20px}
.particle{position:fixed;pointer-events:none;z-index:9997;width:8px;height:8px;border-radius:1px;animation:particle-fade 0.8s ease-out forwards}
@keyframes particle-fade{0%{opacity:1;transform:scale(1) translate(0,0)}100%{opacity:0;transform:scale(0.3) translate(var(--tx),var(--ty))}}
.theme-toggle{position:fixed;bottom:30px;left:30px;width:48px;height:48px;background:var(--bg-card);border:2px solid var(--gold);color:var(--gold);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--pixel-shadow);z-index:9998;transition:all 0.3s}
.theme-toggle:hover{background:var(--gold);color:var(--bg-deep);transform:rotate(15deg)}
.theme-toggle svg{width:22px;height:22px}
body.theme-day{--bg-deep:#e8e4d8;--bg-card:#f5f1e6;--bg-card2:#ebe5d5;--text:#2a2520;--text-dim:#6b6358;--border:#d4cdbc;--pixel-shadow:4px 4px 0 rgba(0,0,0,0.15)}
body.theme-day .navbar{background:rgba(232,228,216,0.9)}

body.theme-day .top-nav{background:rgba(245,241,230,0.92);border-bottom-color:var(--border)}
body.theme-day .hero-bg{filter:brightness(0.6) saturate(1)}
body.theme-day .hero-overlay{background:linear-gradient(180deg,rgba(232,228,216,0.2) 0%,rgba(232,228,216,0.6) 60%,var(--bg-deep) 100%)}
body.theme-day .hero-title{text-shadow:4px 4px 0 var(--brick),8px 8px 0 rgba(0,0,0,0.2)}
body.theme-day .announcement-bar{background:var(--bg-card)}
body.theme-day .origin-content{background:var(--bg-card)}
body.theme-day .timeline-content{background:var(--bg-card)}
body.theme-day .plot-card{background:var(--bg-card)}
body.theme-day .plot-full{background:var(--bg-card)}
body.theme-day .dungeon-card{background:var(--bg-card)}
body.theme-day .rule-column{background:var(--bg-card)}
body.theme-day .tutorial-step{background:var(--bg-card)}
body.theme-day .tutorial-server-id{background:var(--bg-card)}
body.theme-day .download-card{background:var(--bg-card)}
body.theme-day .guestbook{background:var(--bg-card)}
body.theme-day .guestbook-item{background:var(--bg-card2)}
body.theme-day .guestbook-form input,.theme-day .guestbook-form textarea{background:var(--bg-card2);color:var(--text)}
body.theme-day .join-guide{background:linear-gradient(135deg,var(--bg-card),var(--bg-card2))}
body.theme-day .join-info-item{background:rgba(255,255,255,0.5)}
body.theme-day .footer{background:var(--bg-card)}
body.theme-day .dungeon-boss-img{border-color:var(--border)}
body.theme-day .qq-qr-img{background:#fff}
body.theme-day .announcement-item{color:#b8860b}
body.theme-day .section-desc{color:var(--text-dim)}
/* Boss 详情弹窗 */
.boss-modal{display:none;position:fixed;inset:0;z-index:99998;background:rgba(0,0,0,0.88);align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.boss-modal.active{display:flex;animation:modal-pop .28s ease}
@keyframes modal-fade-in{from{opacity:0}to{opacity:1}}
.boss-modal-content{background:var(--bg-card);border:2px solid var(--border);max-width:720px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:8px 8px 0 rgba(0,0,0,0.6);position:relative;animation:modal-pop .3s ease}
@keyframes modal-slide-up{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.boss-modal-close{position:absolute;top:12px;right:12px;width:36px;height:36px;background:rgba(0,0,0,0.5);border:2px solid var(--text-dim);color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:5;transition:all 0.2s;line-height:1}
.boss-modal-close:hover{background:var(--brick);border-color:var(--brick);transform:rotate(90deg)}
.boss-modal-hero{position:relative;width:100%;aspect-ratio:16/7;overflow:hidden;border-bottom:2px solid var(--border)}
.boss-modal-hero img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(0.7)}
.boss-modal-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,var(--bg-card) 100%)}
.boss-modal-hero-title{position:absolute;bottom:16px;left:24px;right:24px}
.boss-modal-tier{font-family:'Press Start 2P',cursive;font-size:10px;margin-bottom:6px}
.boss-modal-name{font-family:'Press Start 2P',cursive;font-size:clamp(16px,3vw,24px);color:#fff;text-shadow:2px 2px 0 rgba(0,0,0,0.8)}
.boss-modal-body{padding:28px}
.boss-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:24px}
.boss-stat{background:var(--bg-card2);border:1px solid var(--border);padding:14px;text-align:center}
.boss-stat-label{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.boss-stat-value{font-family:'Press Start 2P',cursive;font-size:14px;color:var(--gold)}
.boss-stat-value.hp{color:#e74c3c}
.boss-stat-value.atk{color:#e67e22}
.boss-stat-value.armor{color:#3498db}
.boss-section{margin-bottom:20px}
.boss-section-title{font-family:'Press Start 2P',cursive;font-size:11px;color:var(--cyan);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.boss-section-title::before{content:'';width:4px;height:14px;background:var(--cyan)}
.boss-skill{background:var(--bg-card2);border:1px solid var(--border);border-left:3px solid var(--purple);padding:12px 16px;margin-bottom:8px}
.boss-skill-name{font-size:14px;font-weight:700;color:#fff;margin-bottom:4px}
.boss-skill-desc{font-size:13px;color:var(--text-dim)}
.boss-desc-text{font-size:14px;color:var(--text);line-height:1.8;margin-bottom:16px}
.boss-reward-tag{display:inline-block;background:rgba(244,211,94,0.1);border:1px solid var(--gold);color:var(--gold);padding:6px 14px;font-size:13px;margin-right:8px;margin-bottom:8px}
.dungeon-card{cursor:pointer}
.dungeon-card .view-detail{display:inline-block;margin-top:12px;font-size:12px;color:var(--cyan);border:1px solid var(--cyan);padding:4px 12px;transition:all 0.2s}
.dungeon-card:hover .view-detail{background:var(--cyan);color:var(--bg-deep)}
@media(max-width:600px){.boss-modal-body{padding:18px}.boss-stats-grid{grid-template-columns:repeat(2,1fr)}}

/* 页面加载动画 */
#page-loader{position:fixed;inset:0;z-index:999999;background:var(--bg-deep);display:flex;align-items:center;justify-content:center;transition:opacity 0.5s ease,visibility 0.5s ease;cursor:pointer}
#page-loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-content{text-align:center}
.loader-blocks{display:flex;gap:6px;justify-content:center;margin-bottom:24px}
.loader-block{width:24px;height:24px;background:var(--cyan);border:2px solid rgba(255,255,255,0.2);animation:loader-bounce 1.2s ease-in-out infinite;box-shadow:0 0 12px rgba(78,205,196,0.4)}
.loader-block:nth-child(2){background:var(--gold);animation-delay:0.15s;box-shadow:0 0 12px rgba(255,209,102,0.4)}
.loader-block:nth-child(3){background:var(--brick);animation-delay:0.3s;box-shadow:0 0 12px rgba(255,107,107,0.4)}
.loader-block:nth-child(4){background:var(--purple);animation-delay:0.45s;box-shadow:0 0 12px rgba(198,161,255,0.4)}
@keyframes loader-bounce{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-16px) scale(1.1)}}
.loader-progress{width:240px;height:8px;background:rgba(255,255,255,0.1);border:1px solid var(--border);margin:0 auto 16px;overflow:hidden}
.loader-progress-bar{height:100%;background:linear-gradient(90deg,var(--cyan),var(--gold),var(--purple));width:0%;animation:loader-progress 2s ease-in-out infinite;box-shadow:0 0 8px rgba(78,205,196,0.5)}
@keyframes loader-progress{0%{width:0%}50%{width:70%}100%{width:100%}}
.loader-tip{font-size:11px;color:var(--text3);margin-top:12px;opacity:0.7}
.loader-text{font-family:'Press Start 2P',cursive;font-size:12px;color:var(--cyan);animation:loader-pulse 1.5s ease-in-out infinite}
@keyframes loader-pulse{0%,100%{opacity:0.4}50%{opacity:1}}