*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#030712;--bg2:#0f172a;--card:rgba(15,23,42,0.9);--cyan:#06b6d4;--blue:#3b82f6;--purple:#8b5cf6;--pink:#ec4899;--orange:#f97316;--text:#f8fafc;--text2:#94a3b8;--text3:#9ca3af;--border:rgba(56,189,248,0.2);--glow:0 0 20px rgba(6,182,212,0.4)}
body{font-family:'Noto Sans SC',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
.bg{position:fixed;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(6,182,212,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(6,182,212,0.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}
.glow{position:fixed;width:500px;height:500px;border-radius:50%;filter:blur(120px);opacity:0.12;pointer-events:none;z-index:0}
.glow1{top:-150px;left:-100px;background:var(--cyan)}
.glow2{top:30%;right:-150px;background:var(--purple)}
.glow3{bottom:-100px;left:30%;background:var(--pink)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(3,7,18,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);box-shadow:0 4px 30px rgba(6,182,212,0.1)}
.nav-inner{max-width:1400px;margin:0 auto;padding:14px 24px;display:flex;justify-content:space-between;align-items:center}
.nav-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:700;font-size:1.3em}
.nav-logo img{width:40px;height:40px;border-radius:10px;box-shadow:var(--glow);transition:transform .3s}
.nav-logo:hover img{transform:scale(1.1)}
.logo-text{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--text2);text-decoration:none;font-weight:500;font-size:.95em;transition:color .3s;position:relative}
.nav-links a:hover{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--text2);border-radius:2px;transition:all .3s}
.dropdown{position:relative}
.dropdown-btn{color:var(--text2);background:none;border:none;cursor:pointer;font-size:.95em;font-weight:500;font-family:inherit}
.dropdown-content{position:absolute;top:calc(100% + 8px);left:0;background:rgba(15,23,42,0.98);border:1px solid var(--border);border-radius:12px;min-width:200px;max-height:400px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;box-shadow:0 20px 50px rgba(0,0,0,0.5);z-index:1001}
.dropdown:hover .dropdown-content,.dropdown.open .dropdown-content{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-item{display:block;padding:12px 16px;color:var(--text2);text-decoration:none;transition:all .2s}
.dropdown-item:hover{background:rgba(6,182,212,0.15);color:var(--cyan)}
.container{max-width:1400px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.hero{text-align:center;padding:33px 20px 40px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(6,182,212,0.1);border:1px solid rgba(6,182,212,0.3);color:var(--cyan);padding:8px 20px;border-radius:50px;font-size:.85em;margin-bottom:30px;animation:pulse 3s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(6,182,212,0.4)}50%{box-shadow:0 0 0 10px rgba(6,182,212,0)}}
.hero h1{font-size:3.5em;font-weight:700;margin-bottom:20px;background:linear-gradient(135deg,var(--cyan) 0%,var(--blue) 30%,var(--purple) 60%,var(--pink) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.hero p{font-size:1.2em;color:var(--text2);max-width:600px;margin:0 auto 40px}
.hero-stats{display:flex;justify-content:center;gap:30px;flex-wrap:wrap;max-width:700px;margin:0 auto}
.stat-card{position:relative;background:linear-gradient(135deg,rgba(255,255,255,0.05),rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.1);border-radius:20px;padding:28px 20px;min-width:180px;flex:1;max-width:240px;transition:all .3s ease;overflow:hidden;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;border:1px solid transparent;border-radius:20px;background:linear-gradient(135deg,rgba(6,182,212,0.3),rgba(139,92,246,0.3),rgba(236,72,153,0.3)) border-box;-webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.stat-card::after{content:'';position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;border-radius:20px;background:linear-gradient(135deg,var(--cyan),var(--purple),var(--pink));filter:blur(8px);opacity:0;transition:opacity .4s;z-index:-1}
.stat-card:hover{transform:translateY(-8px) scale(1.05);border-color:transparent;box-shadow:0 25px 50px rgba(6,182,212,0.25),0 0 30px rgba(139,92,246,0.2)}
.stat-card:hover::before,.stat-card:hover::after{opacity:1}
.stat-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(6,182,212,0.15) 0%,transparent 70%);pointer-events:none;animation:statGlow 4s ease-in-out infinite}
.stat-glow-green{background:radial-gradient(circle,rgba(16,185,129,0.15) 0%,transparent 70%);animation-delay:1.3s}
.stat-glow-purple{background:radial-gradient(circle,rgba(139,92,246,0.15) 0%,transparent 70%);animation-delay:2.6s}
@keyframes statGlow{0%,100%{transform:translate(0,0)}50%{transform:translate(10%,10%)}}
.stat-icon{font-size:2.5em;margin-bottom:12px;filter:drop-shadow(0 0 15px rgba(6,182,212,0.6));transition:all .4s ease}
.stat-card:hover .stat-icon{transform:scale(1.2) rotate(5deg);filter:drop-shadow(0 0 25px rgba(6,182,212,0.9))}
.stat-number{font-size:2.7em;font-weight:700;background:linear-gradient(135deg,#fff,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;filter:drop-shadow(0 0 10px rgba(6,182,212,0.3))}
.stat-label{font-size:.9em;color:var(--text3);margin-top:8px;letter-spacing:1px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:24px}
.feature-card{background:linear-gradient(145deg,rgba(20,30,60,0.9) 0%,rgba(15,23,42,0.95) 100%);border:1px solid rgba(56,189,248,0.2);border-radius:18px;padding:28px 24px;text-decoration:none;color:inherit;position:relative;overflow:hidden;transition:all .5s cubic-bezier(0.23,1,0.32,1);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);display:flex;flex-direction:column;align-items:center;text-align:center}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink));opacity:0;transition:opacity .4s}
.feature-card::after{content:'';position:absolute;top:-80%;left:-80%;width:260%;height:260%;background:conic-gradient(from 0deg,rgba(6,182,212,0.07),rgba(139,92,246,0.07),rgba(236,72,153,0.07),rgba(6,182,212,0.07));border-radius:50%;opacity:0;transition:opacity .5s;pointer-events:none;animation:spin 10s linear infinite}
/* 外层发光边框 */
.feature-card::before{content:'';position:absolute;top:-1px;left:-1px;right:-1px;bottom:-1px;border-radius:18px;background:linear-gradient(135deg,rgba(6,182,212,0.4),rgba(139,92,246,0.4),rgba(236,72,153,0.4));opacity:0;transition:opacity .4s;z-index:-1;filter:blur(4px)}
/* 内边框渐变 */
.feature-card::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;border:1px solid transparent;border-radius:18px;background:linear-gradient(135deg,var(--cyan),var(--purple),var(--pink)) border-box;-webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s;z-index:1;pointer-events:none}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.feature-card:hover{transform:translateY(-15px) scale(1.04);border-color:transparent;box-shadow:0 35px 80px rgba(6,182,212,0.35),0 0 60px rgba(139,92,246,0.25),inset 0 1px 0 rgba(255,255,255,0.1)}
.feature-card:hover::before,.feature-card:hover::after{opacity:1}
.feature-icon{font-size:2.8em;margin-bottom:15px;display:block;filter:drop-shadow(0 0 20px rgba(6,182,212,0.6));transition:all .4s cubic-bezier(0.23,1,0.32,1);position:relative;z-index:2}
.feature-card:hover .feature-icon{transform:scale(1.3) rotate(-8deg) translateY(-5px);filter:drop-shadow(0 0 30px rgba(6,182,212,0.95))}
.feature-title{font-size:1.2em;font-weight:700;background:linear-gradient(135deg,#fff,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;position:relative;z-index:2;filter:drop-shadow(0 0 8px rgba(6,182,212,0.3))}
.feature-desc{font-size:.88em;color:var(--text2);line-height:1.6;position:relative;z-index:2}
.main-content{display:flex;gap:30px;margin-bottom:60px}
.tools-section{flex:1;min-width:0}
.news-sidebar{width:380px;flex-shrink:0;display:flex;flex-direction:column;gap:24px}
.card{background:linear-gradient(135deg,rgba(15,23,42,0.95) 0%,rgba(30,41,59,0.8) 100%);border:1px solid var(--border);border-radius:20px;padding:28px;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink))}
.card-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.card-icon{font-size:1.5em}
.card-title{font-size:1.3em;font-weight:700;color:var(--text)}
.nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.site-link{background:rgba(15,23,42,0.8);border:1px solid rgba(56,189,248,0.15);border-radius:12px;padding:18px 14px;text-decoration:none;color:var(--text);display:block;transition:all .3s;position:relative;overflow:hidden}
.site-link::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(6,182,212,0.2),transparent);transition:left .5s}
.site-link:hover{border-color:var(--cyan);box-shadow:var(--glow);transform:translateY(-3px)}
.site-link:hover::before{left:100%}
.site-link.hot{background:linear-gradient(135deg,rgba(249,115,22,0.15) 0%,rgba(15,23,42,0.8) 100%);border-color:rgba(249,115,22,0.4)}
.site-link.hot:hover{box-shadow:0 0 30px rgba(249,115,22,0.3)}
.site-link h3{font-size:.95em;font-weight:600;margin-bottom:6px;color:var(--text)}
.site-link p{font-size:.8em;color:var(--text3);line-height:1.4}
.hot-badge{display:inline-flex;align-items:center;gap:3px;background:linear-gradient(135deg,var(--orange),var(--pink));color:white;font-size:.65em;padding:3px 8px;border-radius:10px;font-weight:600;margin-left:6px;vertical-align:middle}
.tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap;background:rgba(30,41,59,0.5);padding:6px;border-radius:12px}
.tab{padding:10px 18px;background:transparent;border:none;border-radius:8px;cursor:pointer;font-size:.88em;font-weight:500;color:var(--text3);transition:all .3s;font-family:inherit}
.tab.active{background:linear-gradient(135deg,rgba(6,182,212,0.15),rgba(139,92,246,0.1));color:var(--cyan);box-shadow:0 0 15px rgba(6,182,212,0.2);border:1px solid rgba(6,182,212,0.3)}
.tab:hover:not(.active){color:var(--text2);background:rgba(56,189,248,0.1)}
.news-list{list-style:none;max-height:2000px;overflow-y:auto;padding-right:8px}
.news-list::-webkit-scrollbar{width:4px}
.news-list::-webkit-scrollbar-track{background:rgba(30,41,59,0.3);border-radius:2px}
.news-list::-webkit-scrollbar-thumb{background:var(--cyan);border-radius:2px}
.news-item{padding:16px 0;border-bottom:1px solid rgba(148,163,184,0.1)}
.news-item:last-child{border-bottom:none}
.news-item a{color:inherit;text-decoration:none;display:block}
.news-item .title{font-size:.95em;line-height:1.6;margin-bottom:8px;color:var(--text);transition:color .2s}
.news-item:hover .title{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.view-more{text-align:center;padding:12px 0;border-top:1px solid var(--border);margin-top:8px}
.view-more-btn{display:inline-block;color:var(--cyan);text-decoration:none;font-weight:500;font-size:.9em;transition:all .3s}
.view-more-btn:hover{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transform:translateX(4px)}
.news-item .meta{display:flex;gap:12px;align-items:center;font-size:.8em;color:var(--text3)}
.source-tag{background:rgba(6,182,212,0.1);color:var(--cyan);padding:3px 10px;border-radius:12px;font-size:.75em}
.rank-badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.75em;font-weight:700;color:white;margin-right:8px}
.rank-1{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 0 12px rgba(239,68,68,0.5)}
.rank-2{background:linear-gradient(135deg,var(--orange),#ea580c);box-shadow:0 0 12px rgba(249,115,22,0.5)}
.rank-3{background:linear-gradient(135deg,#eab308,#ca8a04);box-shadow:0 0 12px rgba(234,179,8,0.5)}
.ai-comments-mini h3{font-size:1.1em;color:var(--text);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.ai-comments-mini h3 span{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ai-comments-mini h3 a{margin-left:auto;font-size:.8em;color:var(--cyan);text-decoration:none}
.comment-item{background:rgba(30,41,59,0.6);border:1px solid rgba(56,189,248,0.1);border-radius:12px;padding:16px;margin-bottom:12px}
.comment-text{font-size:.9em;color:var(--text2);line-height:1.7;margin-bottom:12px}
.comment-footer{display:flex;justify-content:space-between;align-items:center;font-size:.78em;color:var(--text3)}
.comment-footer a{color:var(--cyan);text-decoration:none;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ad-wrap{margin:0 auto 24px;text-align:center;min-height:100px;background:rgba(255,255,255,0.02);border-radius:12px;padding:12px;border:1px solid rgba(56,189,248,0.1)}
.category-section{margin-bottom:32px}
footer{text-align:center;padding:50px 24px;color:var(--text3);border-top:1px solid var(--border);position:relative;z-index:1}
footer p{margin-bottom:10px}
footer a{color:var(--cyan);text-decoration:none}
footer a:hover{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-stats{font-size:.9em;opacity:.8;margin-bottom:8px}
html{scroll-behavior:smooth}
.news-section{display:block}
.news-section[style*="none"]{display:none!important}

/* ===== 响应式断点 ===== */
@media(max-width:1200px){
.main-content{flex-direction:column}
.news-sidebar{width:100%}
.nav-links{display:none!important}
.hamburger{display:flex}
}
@media(max-width:900px){
.features{grid-template-columns:1fr}
.hero h1{font-size:2.5em}
.hero-stats{gap:40px}
}
@media(max-width:768px){
.hero{padding:60px 15px 50px}
.hero h1{font-size:2em}
.hero p{font-size:1em}
.stat-number{font-size:2em}
.nav-grid{grid-template-columns:repeat(2,1fr);gap:10px}
.site-link{padding:14px 12px}
.card{padding:20px}
.nav-inner{padding:12px 16px}
}
@media(max-width:480px){
.hero h1{font-size:1.6em}
.hero-stats{flex-direction:column;gap:20px;padding:0 16px}
.stat-card{max-width:100%;flex:auto}
.nav-grid{grid-template-columns:1fr}
.tabs{gap:6px}
.tab{padding:8px 12px;font-size:.8em}
}

/* ===== 移动端汉堡菜单 ===== */
/* 默认隐藏，通过JS控制显示 */
.nav-links{
    display:flex;
    gap:32px;
    align-items:center
}
/* 移动端：隐藏导航链接 */
@media(max-width:1200px){
    .nav-links{
        display:none;
        position:fixed;
        top:68px;
        left:0;
        right:0;
        background:rgba(3,7,18,0.98);
        flex-direction:column;
        padding:20px;
        gap:16px;
        border-bottom:1px solid var(--border);
        z-index:999
    }
    .nav-links.open{display:flex!important}
    .hamburger{display:flex}
}

/* ===== 图片懒加载 ===== */
img[data-src]{opacity:0;transition:opacity .3s}
img.loaded{opacity:1}