:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;--text:#1e293b;--text-light:#64748b;--bg:#f5f8ff;--white:#ffffff;--border:#e2e8f0;--shadow:0 1px 3px rgba(0,0,0,0.1),0 1px 2px rgba(0,0,0,0.06);--shadow-lg:0 10px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.1);--radius:12px;--mobile-breakpoint:768px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 10px}
.header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;transition:box-shadow .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.logo-text h1{font-size:18px;font-weight:700;color:var(--text);line-height:1.2}
.logo-text span{font-size:12px;color:var(--text-light)}
.nav{display:flex;gap:32px}
.nav a{font-size:15px;color:var(--text);font-weight:500;transition:color .2s;position:relative;padding:4px 0}
.nav a.active,.nav a:hover{color:var(--primary)}
.nav a.active::after{content:'';position:absolute;bottom:-16px;left:0;right:0;height:2px;background:var(--primary);border-radius:2px}
.header-right{display:flex;align-items:center;gap:12px}
.search-btn{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:all .2s}
.search-btn:hover{border-color:var(--primary);color:var(--primary)}
.hamburger-btn{display:none;width:40px;height:40px;border:none;background:0 0;cursor:pointer;position:relative;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:8px;border-radius:8px;transition:background .2s}
.hamburger-btn:hover{background:var(--bg)}
.hamburger-line{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s cubic-bezier(.4, 0, .2, 1);transform-origin:center}
.hamburger-btn.active .hamburger-line:first-child{transform:translateY(7px) rotate(45deg)}
.hamburger-btn.active .hamburger-line:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger-btn.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);z-index:199;opacity:0;transition:opacity .3s ease}
.mobile-menu-overlay.active{display:block;opacity:1}
.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:85vw;background:var(--white);z-index:200;transform:translateX(100%);transition:transform .35s cubic-bezier(.4, 0, .2, 1);box-shadow:-10px 0 40px rgba(0,0,0,.1);display:flex;flex-direction:column;overflow-y:auto}
.mobile-menu.active{transform:translateX(0)}
.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.mobile-menu-header .logo{gap:8px}
.mobile-menu-header .logo-icon{width:32px;height:32px;font-size:14px}
.mobile-menu-header .logo-text h1{font-size:15px}
.mobile-menu-close{width:36px;height:36px;border:none;background:var(--bg);border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text);font-size:16px;transition:all .2s}
.mobile-menu-close:hover{background:var(--primary-light);color:var(--primary)}
.mobile-menu-body{flex:1;padding:12px 0}
.mobile-nav-list{display:flex;flex-direction:column}
.mobile-nav-list li{border-bottom:1px solid var(--border)}
.mobile-nav-list li:last-child{border-bottom:none}
.mobile-nav-list a{display:flex;align-items:center;gap:12px;padding:14px 20px;font-size:15px;font-weight:500;color:var(--text);transition:all .2s}
.mobile-nav-list a.active,.mobile-nav-list a:hover{background:var(--primary-light);color:var(--primary)}
.mobile-nav-list a i{width:24px;text-align:center;color:var(--text-light)}
.mobile-nav-list a.active i,.mobile-nav-list a:hover i{color:var(--primary)}
.mobile-submenu{padding-left:20px;background:var(--bg)}
.mobile-submenu li{border-bottom:1px solid var(--border)}
.mobile-submenu li:last-child{border-bottom:none}
.mobile-submenu a{padding:10px 20px;font-size:14px}
.mobile-menu-footer{padding:16px 20px;border-top:1px solid var(--border)}
.mobile-social{display:flex;gap:10px;justify-content:center}
.mobile-social a{width:40px;height:40px;border-radius:10px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:18px;transition:all .2s}
.mobile-social a:hover{background:var(--primary);color:#fff}
body.menu-open{overflow:hidden}
.search-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);z-index:300;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}
.search-modal.active{display:flex;opacity:1}
.search-modal-content{background:#fff;padding:30px;border-radius:16px;width:90%;max-width:500px;box-shadow:0 20px 60px rgba(0,0,0,.3);position:relative;animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(-20px) scale(.95)}
to{opacity:1;transform:translateY(0) scale(1)}
}
.search-modal-close{position:absolute;top:-40px;right:0;width:32px;height:32px;border:none;background:rgba(255,255,255,.2);border-radius:50%;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;transition:all .2s}
.search-modal-close:hover{background:rgba(255,255,255,.4)}
.search-modal-content form{display:flex;gap:10px}
.search-modal-content input{flex:1;padding:14px 18px;border:2px solid var(--border);border-radius:12px;font-size:15px;outline:0;transition:border-color .2s}
.search-modal-content input:focus{border-color:var(--primary)}
.search-modal-content button{padding:14px 24px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s;white-space:nowrap}
.search-modal-content button:hover{background:var(--primary-dark)}
.hero{overflow:hidden;padding:66px 0 108px;background:radial-gradient(circle at 78% 42%,rgba(75,145,255,.22),transparent 34%),linear-gradient(135deg,#eaf3ff 0,#f7fbff 55%,#e6f0ff 100%)}
.hero:before{content:"";position:absolute;left:-180px;top:-180px;width:620px;height:620px;border-radius:50%;background:rgba(30,115,255,.08)}
.hero-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.hero-left{flex:1}
.hero-left h2{font-size:48px;font-weight:800;color:var(--text);line-height:1.2;margin-bottom:16px;letter-spacing:-.5px}
.hero-left p{font-size:18px;color:var(--text-light);margin-bottom:32px}
.hero-features{display:flex;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.hero-feature{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.hero-feature i{width:28px;height:28px;background:var(--primary-light);border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:13px}
.hero-feature span{display:block;font-size:12px;color:var(--text-light)}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;padding:14px 32px;border-radius:var(--radius);font-size:16px;font-weight:600;border:none;cursor:pointer;transition:all .3s;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,99,235,.4)}
.hero-right{width:320px;flex-shrink:0;position:relative}
.hero-illustration{width:100%;height:260px;background:linear-gradient(145deg,#3b82f6 0,#1d4ed8 100%);border-radius:20px;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:var(--shadow-lg)}
.hero-illustration::before{content:'AI';font-size:80px;font-weight:900;color:rgba(255,255,255,.9);text-shadow:0 4px 20px rgba(0,0,0,.2)}
.hero-illustration::after{content:'';position:absolute;bottom:-10px;left:20px;right:20px;height:20px;background:rgba(37,99,235,.2);border-radius:50%;filter:blur(10px)}
.floating-card{position:absolute;background:var(--white);border-radius:10px;padding:8px 14px;box-shadow:var(--shadow);font-size:8px;font-weight:600;color:var(--primary)}
.fc-1{top:20px;right:-20px}
.fc-2{bottom:40px;left:-30px}
.fc-3{top:50%;right:-10px;transform:translateY(-50%)}
.hero-visual{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center}
.ai-stage{position:relative;width:420px;height:330px}
.ai-card-main{position:absolute;left:80px;top:8px;width:215px;height:235px;border-radius:34px;background:linear-gradient(135deg,#2b7cff,#8aa2ff);transform:rotate(-7deg);box-shadow:0 28px 70px rgba(43,124,255,.32);display:flex;align-items:center;justify-content:center;color:#fff;font-size:76px;font-weight:900}
.ai-card-side{position:absolute;right:32px;top:42px;width:145px;height:185px;border-radius:28px;background:linear-gradient(135deg,#8ec5ff,#d6e9ff);transform:rotate(8deg);box-shadow:0 22px 55px rgba(90,140,230,.22)}
.ai-base{position:absolute;left:48px;bottom:18px;width:330px;height:100px;border-radius:50%;background:radial-gradient(circle,#fff 13%,#cfe2ff 42%,#6fa5ff 43%,#1e73ff 48%,transparent 50%);filter:drop-shadow(0 18px 28px rgba(30,115,255,.25))}
.cube{position:absolute;width:18px;height:18px;border-radius:5px;background:#4f8cff;box-shadow:0 10px 22px rgba(79,140,255,.35)}
.cube.one{left:12px;bottom:70px}
.cube.two{right:5px;bottom:105px}
.cube.three{right:110px;top:15px;width:13px;height:13px}
.cube.four{left:138px;bottom:0;width:14px;height:14px}
.categories{padding:40px 0;margin-top:-58px;position:relative;z-index:10}
.category-box{background:#fff;border:1px solid #e8eef8;border-radius:10px;box-shadow:0 16px 38px rgba(24,56,120,.1);display:grid;grid-template-columns:repeat(6,1fr);overflow:hidden}
.category-item{padding:22px 14px;text-align:center;border-right:1px solid #edf1f8;transition:.25s}
.category-item:last-child{border-right:0}
.category-item:hover{background:#f8fbff;transform:translateY(-2px)}
.category-icon{width:34px;height:34px;margin:0 auto 8px;border-radius:12px;background:#eef5ff;color:#1e73ff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px}
.category-item h3{font-size:15px;color:#172033;margin-bottom:2px}
.category-item p{font-size:12px;color:#667085}
.main-left{background:#fff;border:1px solid #e8eef8;border-radius:10px;box-shadow:0 10px 30px rgba(24,56,120,.06)}
.main-section{padding:20px 0 60px}
.main-grid{display:grid;grid-template-columns:1fr 320px;gap:30px}
.section-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:15px 22px;border-bottom:1px solid #eee}
.section-title{font-size:20px;font-weight:700}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-tabs a{padding:6px 8px;font-size:13px;font-weight:400;cursor:pointer;transition:all .2s;border:1px solid transparent;background:0 0}
.filter-tabs a.active{color:var(--primary);font-weight:600}
.filter-tabs a:not(.active){color:var(--text-light)}
.article-list{display:flex;flex-direction:column}
.article-card{padding:20px 0;transition:all .3s;margin:0 22px;border-bottom:1px solid #eee}
.article-thumb{width:220px;height:126px;border-radius:10px;flex-shrink:1;overflow:hidden;position:relative;background:linear-gradient(135deg,#667eea 0,#764ba2 100%);float:left;margin-right:20px}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.article-card:hover .article-thumb img{transform:scale(1.05)}
.article-thumb .thumb-label{position:absolute;top:8px;left:8px;background:rgba(0,0,0,.6);color:#fff;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.article-info h2{font-size:18px;font-weight:700;margin-bottom:8px;line-height:1.4;color:var(--text);transition:color .2s}
.article-info h2 a{color:inherit}
.article-card:hover .article-info h2{color:var(--primary)}
.article-info p{font-size:13px;color:var(--text-light);margin-bottom:12px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--text-light);flex-wrap:wrap}
.article-tag{padding:2px 10px;border-radius:4px;font-size:12px;font-weight:500}
.tag-ai-writing{background:#dbeafe;color:#2563eb}
.tag-ai-art{background:#fce7f3;color:#db2777}
.tag-model{background:#dcfce7;color:#16a34a}
.tag-office{background:#fef3c7;color:#d97706}
.tag-api{background:#f3e8ff;color:#9333ea}
.tag-guide{background:#ecfdf5;color:#059669}
.sidebar{display:flex;flex-direction:column;gap:24px}
.widget{background:var(--white);border-radius:var(--radius);padding:24px;border:1px solid var(--border)}
.widget-title{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}

.side-card{padding:20px;background:#fff;border:1px solid #e8eef8;border-radius:10px;box-shadow:0 10px 30px rgba(24,56,120,.06)}
.side-card h3{font-size:17px;margin-bottom:12px;color:#071638}
.side-card p{font-size:13px;color:#667085;margin-bottom:10px}
.side-cta .btn-primary{width:100%;height:48px;min-width:0;font-size:15px;margin-top:10px;justify-content: center;}
.safe{display:flex;gap:12px;justify-content:center;font-size:12px;color:#667085;margin-top:13px}

.about-text{font-size:13px;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.about-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.about-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}
.about-item i{color:#22c55e;font-size:14px}
.btn-outline{display:block;width:100%;padding:10px;border:1px solid var(--primary);border-radius:8px;text-align:center;font-size:14px;font-weight:500;color:var(--primary);transition:all .2s}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-outline i{margin-left:4px}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-item{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--border)}
.hot-item:last-child{border-bottom:none}
.hot-rank{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.hot-rank.top{background:var(--primary);color:#fff}
.hot-rank.normal{background:var(--bg);color:var(--text-light)}
.hot-item a{font-size:14px;color:var(--text);font-weight:500;transition:color .2s}
.hot-item a:hover{color:var(--primary)}
.recommend-list{display:flex;flex-direction:column;gap:12px}
.recommend-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;background:var(--bg);transition:all .2s}
.recommend-item:hover{background:var(--primary-light)}
.rec-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.rec-info{flex:1}
.rec-info h5{font-size:14px;font-weight:600;margin-bottom:2px}
.rec-info p{font-size:12px;color:var(--text-light)}
.rec-btn{padding:4px 12px;border-radius:6px;font-size:12px;font-weight:500;background:var(--white);color:var(--primary);border:1px solid var(--primary-light);cursor:pointer;transition:all .2s}
.rec-btn:hover{background:var(--primary);color:#fff}
.cta-widget{background:linear-gradient(135deg,#2563eb 0,#1d4ed8 100%);color:#fff;text-align:center}
.cta-widget h4{font-size:16px;margin-bottom:8px}
.cta-widget p{font-size:13px;opacity:.9;margin-bottom:16px}
.cta-widget .btn-white{display:block;width:100%;padding:12px;background:#fff;color:var(--primary);border-radius:8px;font-weight:600;font-size:14px;transition:all .2s}
.cta-widget .btn-white:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.2)}
.cta-features{display:flex;justify-content:center;gap:16px;margin-top:16px;font-size:12px;opacity:.85;flex-wrap:wrap}
.cta-features i{margin-right:4px}

.banner-cta{padding:0 0 34px}
.banner-box{border-radius:12px;background:linear-gradient(135deg,#1e73ff,#0427a8);min-height:128px;padding:28px 42px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;overflow:hidden;position:relative}
.banner-box:before{content:"AI";position:absolute;left:50px;top:12px;font-size:110px;font-weight:900;color:rgba(255,255,255,.06)}
.banner-box h2{font-size:30px;margin-bottom:6px}
.banner-box p{color:#dbe8ff}
.banner-box a{height:48px;min-width:220px;border-radius:8px;background:#fff;color:#1e73ff;display:flex;align-items:center;justify-content:center;font-weight:900;box-shadow:0 10px 24px rgba(0,0,0,.12)}
/*
.cta-banner{background:linear-gradient(135deg,#1e40af 0,#2563eb 50%,#3b82f6 100%);padding:50px 0;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.cta-banner-inner{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}
.cta-banner-left{display:flex;align-items:center;gap:24px}
.cta-banner-icon{width:64px;height:64px;background:rgba(255,255,255,.15);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;backdrop-filter:blur(10px)}
.cta-banner-text h3{font-size:24px;font-weight:700;color:#fff;margin-bottom:6px}
.cta-banner-text p{font-size:14px;color:rgba(255,255,255,.8)}
.cta-banner .btn-white-lg{padding:14px 32px;background:#fff;color:var(--primary);border-radius:var(--radius);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:all .3s}
.cta-banner .btn-white-lg:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.2)}
*/
.platform-item{display:grid;grid-template-columns:42px 1fr 46px;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid #edf1f8}
.platform-item:last-child{border-bottom:0}
.platform-icon{width:42px;height:42px;border-radius:10px;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.p1{background:#7c4dff}
.p2{background:#a855f7}
.p3{background:#3296ff}
.p4{background:#11b8a6}
.platform-info strong{font-size:14px;color:#172033}
.platform-info p{font-size:12px;margin:2px 0 0}
.try-btn{border:1px solid #1e73ff;color:#1e73ff;border-radius:5px;height:26px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}

.logo-text strong{display:block;font-size:18px;color:#071638;line-height:1.2}
.logo-text span{display:block;font-size:11px;color:#667085;margin-top:2px}

.footer{background:#fff;border-top:1px solid var(--border);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.social-links{display:flex;gap:10px}
.social-links a{width:36px;height:36px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:all .2s}
.social-links a:hover{background:var(--primary);color:#fff}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13px;color:var(--text-light);transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.subscribe-form{display:flex;gap:8px}
.subscribe-form input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:13px;outline:0;transition:border-color .2s}
.subscribe-form input:focus{border-color:var(--primary)}
.subscribe-form button{padding:10px 18px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:background .2s}
.subscribe-form button:hover{background:var(--primary-dark)}
.footer-col .privacy-note{font-size:12px;color:var(--text-light);margin-top:10px}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center;font-size:12px;color:var(--text-light)}
.wp-caption{max-width:100%}
.wp-caption-text{font-size:13px;color:var(--text-light);text-align:center;margin-top:8px}
.aligncenter{display:block;margin:0 auto}
.alignleft{float:left;margin-right:20px}
.alignright{float:right;margin-left:20px}
.screen-reader-text{position:absolute;left:-9999px}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:32px}
.pagination a,.pagination span{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;transition:all .2s}
.pagination a{background:var(--white);border:1px solid var(--border);color:var(--text)}
.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .current{background:var(--primary);color:#fff}
.comments-area{background:var(--white);border-radius:var(--radius);padding:30px;border:1px solid var(--border);margin-top:30px}
.comment-list{display:flex;flex-direction:column;gap:20px}
.comment-body{padding:20px;background:var(--bg);border-radius:10px}
.comment-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.comment-author{font-weight:600;font-size:14px}
.comment-date{font-size:12px;color:var(--text-light)}
.comment-content{font-size:14px;color:var(--text);line-height:1.6}
.comment-reply-link{font-size:13px;color:var(--primary);font-weight:500}
.ai-tutorial-settings{max-width:1000px}
.ai-tutorial-settings h1{font-size:24px;font-weight:700;margin-bottom:24px;color:#1e293b}
.ai-tutorial-settings .ai-tabs{background:#fff;border-radius:12px;border:1px solid #e2e8f0;overflow:hidden}
.ai-tab-nav{display:flex;gap:0;border-bottom:1px solid #e2e8f0;background:#f8fafc;overflow-x:auto;flex-wrap:nowrap}
.ai-tab-nav a{padding:14px 20px;font-size:14px;font-weight:500;color:#64748b;border-bottom:2px solid transparent;white-space:nowrap;transition:all .2s;display:flex;align-items:center;gap:6px;text-decoration:none}
.ai-tab-nav a:hover{color:#2563eb;background:#f0f5ff}
.ai-tab-nav a.active{color:#2563eb;border-bottom-color:#2563eb;background:#fff}
.ai-tab-nav a i{font-size:13px}
.ai-tab-panel{display:none;padding:30px}
.ai-tab-panel.active{display:block}
.ai-tab-panel h2{font-size:20px;font-weight:700;margin-bottom:8px;color:#1e293b}
.ai-tab-panel .description{color:#64748b;font-size:13px;margin-bottom:20px}
.ai-card-item{background:#f8fafc;border-radius:10px;padding:20px;margin-bottom:16px;border:1px solid #e2e8f0}
.ai-card-item h4{font-size:15px;font-weight:600;margin-bottom:12px;color:#1e293b}
.ai-card-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.ai-card-fields input{padding:8px 12px;border:1px solid #e2e8f0;border-radius:6px;font-size:13px}
.ai-card-fields input:focus{border-color:#2563eb;outline:0}
.ai-tutorial-settings .form-table th{padding:12px 10px 12px 0;width:180px;font-size:13px;font-weight:500;color:#1e293b}
.ai-tutorial-settings .form-table td{padding:8px 10px}
.ai-tutorial-settings .form-table input[type=text],.ai-tutorial-settings .form-table input[type=url],.ai-tutorial-settings .form-table textarea{width:100%;max-width:500px;padding:10px 12px;border:1px solid #e2e8f0;border-radius:8px;font-size:13px;transition:border-color .2s}
.ai-tutorial-settings .form-table input:focus,.ai-tutorial-settings .form-table textarea:focus{border-color:#2563eb;outline:0;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.ai-tutorial-settings .submit{padding:20px 30px;margin:0;border-top:1px solid #e2e8f0}
.ai-tutorial-settings .button-hero{padding:12px 32px!important;font-size:15px!important;height:auto!important}
.breadcrumb{font-size:13px;padding:15px 0}
.tags a{padding:4px 12px;background:var(--bg);border-radius:6px;font-size:13px;color:var(--text-light)}
.mobile-cta{display:none}
@media (max-width:760px){.mobile-cta{display:block;position:fixed;z-index:4;bottom:0;left:0;right:0;text-align:center;background:#1769e8;color:#fff;padding:12px;font-weight:700}
}
@media (max-width:1024px){.main-grid{grid-template-columns:1fr}
.sidebar{display:grid;grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:768px){.nav-desktop{display:none!important}
.hamburger-btn{display:flex!important}
.hero-inner{flex-direction:column;text-align:center}
.hero-right{width:100%;max-width:280px;margin:0 auto}
.hero-features{justify-content:center}
.hero-left h2{font-size:26px}
.cat-grid,.category-box{grid-template-columns:repeat(3,1fr)}
.banner-box{flex-direction: column;}
.article-card{padding:10px}
.article-thumb{width:100%;height:180px}
.sidebar{grid-template-columns:1fr}
.cta-banner-inner{flex-direction:column;text-align:center;gap:20px}
.cta-banner-left{flex-direction:column}
.footer-grid{grid-template-columns:1fr 1fr;gap:24px}
.search-modal-content{padding:20px}
.search-modal-content form{flex-direction:column}
.ai-tab-nav{overflow-x:auto}
.ai-card-fields{grid-template-columns:1fr}
}
@media (max-width:480px){.cat-grid{grid-template-columns:repeat(2,1fr)}
.hero-left h2{font-size:22px}
.footer-grid{grid-template-columns:1fr}
.filter-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
.section-header{flex-direction:column;align-items:flex-start}
.mobile-menu{width:280px}
.article-info h3{font-size:14px}
}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}
to{opacity:1;transform:translateY(0)}
}
.article-card,.cat-card,.widget{animation:fadeInUp .5s ease forwards}
.mobile-menu-toggle{display:none;width:40px;height:40px;background:0 0;border:none;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:8px;border-radius:8px;transition:background .2s;z-index:102}
.mobile-menu-toggle:hover{background:var(--bg)}
.mobile-menu-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease;transform-origin:center}
.mobile-menu-toggle.active span:first-child{transform:translateY(7px) rotate(45deg)}
.mobile-menu-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.mobile-menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav-overlay{position:fixed;top:0;right:-100%;width:80%;max-width:360px;height:100vh;background:var(--white);z-index:201;display:flex;flex-direction:column;transition:right .35s cubic-bezier(.4, 0, .2, 1);box-shadow:-10px 0 40px rgba(0,0,0,.15);overflow-y:auto}
.mobile-nav-overlay.active{right:0}
.mobile-nav-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.mobile-nav-header .logo{transform:scale(.9);transform-origin:left}
.mobile-menu-close{width:40px;height:40px;border:none;background:var(--bg);border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text);font-size:18px;transition:all .2s}
.mobile-menu-close:hover{background:var(--primary-light);color:var(--primary)}
.mobile-nav{flex:1;padding:16px 0}
.mobile-menu-list{display:flex;flex-direction:column}
.mobile-menu-list a,.mobile-nav .menu-item{display:flex;align-items:center;gap:14px;padding:5px 8px;font-size:16px;font-weight:500;color:var(--text);transition:all .2s;border-left:3px solid transparent}
.mobile-nav .menu-item{border-bottom:1px solid #eee}
.mobile-menu-list a.active,.mobile-menu-list a:hover,.mobile-nav .current-menu-item .menu-item,.mobile-nav .menu-item:hover{background:var(--bg);color:var(--primary);border-left-color:var(--primary)}
.mobile-menu-list a i,.mobile-nav .menu-item i{width:32px;height:32px;background:var(--bg);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-light);transition:all .2s}
.mobile-menu-list a.active i,.mobile-menu-list a:hover i,.mobile-nav .menu-item:hover i{background:var(--primary-light);color:var(--primary)}
.mobile-nav-footer{padding:20px 24px;border-top:1px solid var(--border)}
.mobile-nav-footer .social-links{justify-content:center}
.mobile-nav-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);z-index:200;opacity:0;visibility:hidden;transition:all .3s ease}
.mobile-nav-backdrop.active{opacity:1;visibility:visible}
.search-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);z-index:200;align-items:flex-start;justify-content:center;padding-top:100px;opacity:0;transition:opacity .3s ease}
.search-modal.active{display:flex;opacity:1}
.search-modal-content{background:var(--white);border-radius:16px;padding:24px;width:90%;max-width:560px;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:translateY(-20px);transition:transform .3s ease}
.search-modal.active .search-modal-content{transform:translateY(0)}
.search-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.search-modal-header h3{font-size:18px;font-weight:700}
.search-modal-close{width:36px;height:36px;border:none;background:var(--bg);border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:all .2s}
.search-modal-close:hover{background:var(--primary-light);color:var(--primary)}
.search-modal form{display:flex;gap:10px}
.search-modal form input{flex:1;padding:14px 18px;border:2px solid var(--border);border-radius:12px;font-size:15px;outline:0;transition:border-color .2s}
.search-modal form input:focus{border-color:var(--primary)}
.search-modal form button{padding:14px 24px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:background .2s;white-space:nowrap}
.search-modal form button:hover{background:var(--primary-dark)}
@media (max-width:1024px){.main-grid{grid-template-columns:1fr}
.sidebar{display:grid;grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:768px){.desktop-nav{display:none!important}
.mobile-menu-toggle{display:flex}
.hero-inner{flex-direction:column;text-align:center}
.hero-right{width:100%;max-width:300px;margin:0 auto}
.hero-features{justify-content:center;grid-template-columns:1fr 1fr;display:grid}
.hero-left h2{font-size:28px}
.cat-grid{grid-template-columns:repeat(3,1fr)}
.article-card{padding:10px}
.article-thumb{width:90px;height:78px;float:left;margin-right:10px}
.sidebar{grid-template-columns:1fr}
.cta-banner-inner{flex-direction:column;text-align:center;gap:20px}
.cta-banner-left{flex-direction:column}
.footer-grid{grid-template-columns:1fr 1fr}
.search-modal{padding-top:60px}
.search-modal form{flex-direction:column}
.search-modal form button{width:100%}
}
@media (max-width:480px){.cat-grid{grid-template-columns:repeat(3,1fr)}
.hero-left h2{font-size:24px}
.footer-grid{grid-template-columns:1fr 1fr}
.mobile-nav-overlay{width:85%}
.article-thumb img{width:120px}
.article-info p{display:none}
.article-meta{gap:5px}
.filter-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
.filter-tabs::-webkit-scrollbar{display:none}
.filter-tab{white-space:nowrap}
}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}
to{opacity:1;transform:translateY(0)}
}
.article-card,.cat-card,.widget{animation:fadeInUp .5s ease forwards}
.article-card:first-child{animation-delay:50ms}
.article-card:nth-child(2){animation-delay:.1s}
.article-card:nth-child(3){animation-delay:.15s}
.article-card:nth-child(4){animation-delay:.2s}
.article-card:nth-child(5){animation-delay:.25s}
.article-card:nth-child(6){animation-delay:.3s}