/* 独角鲸AI导航 v2.0.0 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0b10;--bg2:#12141d;--bg3:#1a1d2a;--bg4:#222538;
  --border:#2a2e42;--text:#e8eaef;--text2:#9aa0b8;--text3:#6b7190;
  --blue:#5b9cf5;--cyan:#22d3ee;--green:#34d399;--yellow:#fbbf24;
  --orange:#f97316;--red:#ef4444;--purple:#a78bfa;--pink:#f472b6;
  --r:10px;--rs:6px;--tr:.2s ease
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:none;opacity:.85}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,11,16,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:var(--tr)}
.nav.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.4)}
.nav-inner{max-width:1400px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:60px;gap:24px}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;flex-shrink:0;color:var(--text)}
.nav-brand .logo{font-size:26px}
.nav-brand em{font-style:normal;color:var(--cyan)}
.nav-links{display:flex;gap:2px;flex:1}
.nav-link{padding:7px 14px;border-radius:var(--rs);color:var(--text2);font-size:14px;font-weight:500;cursor:pointer;transition:var(--tr);border:none;background:none;font-family:inherit}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--cyan);background:rgba(34,211,238,.08)}
.nav-search{position:relative;flex-shrink:0}
.nav-search input{width:200px;padding:7px 14px 7px 34px;background:var(--bg3);border:1px solid var(--border);border-radius:20px;color:var(--text);font-size:13px;outline:none;transition:var(--tr);font-family:inherit}
.nav-search input:focus{width:280px;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.1)}
.nav-search::before{content:'🔍';position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:12px;pointer-events:none}
.nav-mobile-btn{display:none;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer}
.mobile-menu{display:none;padding:8px 24px 12px;border-top:1px solid var(--border)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:10px 0;color:var(--text2);font-size:15px;border-bottom:1px solid var(--border)}

/* ===== CONTAINER ===== */
.container{max-width:1400px;margin:0 auto;padding:0 24px}
main{padding-top:60px}

/* ===== HERO ===== */
.hero{padding:60px 0 40px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 30% 20%,rgba(91,156,245,.07) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(34,211,238,.05) 0%,transparent 50%);pointer-events:none}
.hero h1{font-size:44px;font-weight:800;letter-spacing:-1px;margin-bottom:14px;position:relative}
.hero h1 .hl{background:linear-gradient(135deg,var(--cyan),var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .sub{font-size:17px;color:var(--text2);margin-bottom:28px}
.hero-stats{display:flex;justify-content:center;gap:28px;margin-bottom:36px}
.hero-stat .num{font-size:30px;font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stat .label{font-size:12px;color:var(--text3);text-transform:uppercase;letter-spacing:1px}
.hero-search{max-width:600px;margin:0 auto;position:relative}
.hero-search input{width:100%;padding:14px 22px 14px 48px;background:var(--bg3);border:2px solid var(--border);border-radius:14px;color:var(--text);font-size:15px;outline:none;transition:var(--tr);font-family:inherit}
.hero-search input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.1),0 8px 32px rgba(0,0,0,.3)}
.hero-search input::placeholder{color:var(--text3)}
.hero-search::before{content:'🔍';position:absolute;left:18px;top:50%;transform:translateY(-50%);font-size:18px}
.search-hint{font-size:12px;color:var(--text3);margin-top:10px}
.search-hint a{color:var(--text3);padding:2px 8px;background:var(--bg3);border:1px solid var(--border);border-radius:12px;font-size:12px;margin:0 2px}
.search-hint a:hover{color:var(--cyan)}

/* Page Hero */
.page-hero{padding:50px 0 32px;text-align:center;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%);margin-bottom:24px}
.page-hero h1{font-size:32px;font-weight:800;margin-bottom:8px}
.page-hero p{color:var(--text2);font-size:15px}

/* ===== SECTION ===== */
.section{padding:32px 0}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px}
.section-title{font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px}
.section-title::before{content:'';width:4px;height:18px;background:var(--cyan);border-radius:2px}
.section-more{font-size:13px;color:var(--text3);transition:var(--tr)}
.section-more:hover{color:var(--cyan)}
.update-badge{font-size:12px;padding:2px 8px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.2);border-radius:10px;color:var(--cyan);display:inline-flex;align-items:center;gap:4px}
.update-dot{width:6px;height:6px;background:var(--green);border-radius:50%;animation:blink 1.5s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

/* ===== CATEGORIES ===== */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.cat-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:18px 14px;text-align:center;cursor:pointer;transition:all var(--tr);display:block;color:var(--text)}
.cat-card:hover{background:var(--bg4);transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.3);border-color:var(--cyan)}
.cat-card .icon{font-size:30px;margin-bottom:8px;display:block}
.cat-card .name{font-size:14px;font-weight:600;margin-bottom:2px}
.cat-card .count{font-size:12px;color:var(--text3)}

/* ===== TOOL CARDS ===== */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.tool-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:18px;transition:all var(--tr);display:block;color:var(--text)}
.tool-card:hover{background:var(--bg4);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3);border-color:rgba(91,156,245,.3)}
.tool-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.tool-logo{width:42px;height:42px;border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;color:#fff;flex-shrink:0}
.tool-info{flex:1;min-width:0}
.tool-name{font-size:15px;font-weight:600;display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.tool-cat{font-size:12px;color:var(--text3);margin-top:2px}
.tool-badge{font-size:10px;padding:1px 5px;border-radius:8px;font-weight:600}
.tool-badge.hot{background:rgba(239,68,68,.12);color:var(--red)}
.tool-badge.new{background:rgba(52,211,153,.12);color:var(--green)}
.tool-rating{font-size:13px;color:var(--yellow);flex-shrink:0}
.tool-desc{font-size:13px;color:var(--text2);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tool-footer{display:flex;justify-content:space-between;align-items:center;font-size:12px}
.tool-price{color:var(--green);font-weight:500}
.tool-views{color:var(--text3)}

/* Tool Detail */
.tool-detail{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:32px;margin-bottom:32px}
.tool-detail-header{display:flex;gap:24px;margin-bottom:24px}
.tool-logo-lg{width:80px;height:80px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:800;color:#fff;flex-shrink:0}
.tool-detail-info h1{font-size:28px;font-weight:800;margin-bottom:10px}
.tool-detail-desc{font-size:15px;color:var(--text2);margin-bottom:14px;line-height:1.7}
.tool-detail-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;color:var(--text2);margin-bottom:20px}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,var(--cyan),var(--blue));border-radius:var(--r);color:#fff;font-weight:600;font-size:15px;transition:var(--tr)}
.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px rgba(34,211,238,.3)}
.tool-features{background:var(--bg4);border-radius:var(--rs);padding:20px;margin-top:20px}
.tool-features h2{font-size:16px;font-weight:700;margin-bottom:12px}
.tool-features ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;list-style:none}
.tool-features li{font-size:14px;color:var(--text2)}

/* ===== NEWS ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.news-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:18px;display:block;color:var(--text);transition:all var(--tr)}
.news-card:hover{background:var(--bg4);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.news-cat{font-size:11px;padding:2px 8px;background:rgba(91,156,245,.12);border-radius:10px;color:var(--blue);margin-bottom:10px;display:inline-block}
.news-card h3{font-size:15px;font-weight:600;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:13px;color:var(--text2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-meta{font-size:12px;color:var(--text3)}
.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-bottom:32px}
.article-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:24px;display:block;color:var(--text);transition:all var(--tr)}
.article-card:hover{background:var(--bg4);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.article-cat{font-size:11px;padding:2px 8px;background:rgba(91,156,245,.12);border-radius:10px;color:var(--blue);margin-bottom:12px;display:inline-block}
.article-card h2{font-size:16px;font-weight:700;margin-bottom:10px;line-height:1.5}
.article-card p{font-size:14px;color:var(--text2);line-height:1.6;margin-bottom:12px}
.article-meta{display:flex;gap:14px;font-size:13px;color:var(--text3);align-items:center}
.hot-badge{background:rgba(239,68,68,.12);color:var(--red);padding:2px 6px;border-radius:8px;font-size:11px}
.article-detail{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:32px;margin-bottom:32px}
.article-detail-header{margin-bottom:24px}
.article-cat-badge{font-size:12px;padding:3px 10px;background:rgba(91,156,245,.12);border-radius:12px;color:var(--blue);display:inline-block;margin-bottom:14px}
.article-detail h1{font-size:28px;font-weight:800;margin-bottom:14px;line-height:1.4}
.article-detail-meta{display:flex;gap:16px;font-size:14px;color:var(--text2);margin-bottom:0}
.article-body{font-size:16px;line-height:1.8;color:var(--text2);padding-top:20px}
.article-body p{margin-bottom:16px}
.article-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px}
.tag{padding:4px 12px;background:var(--bg4);border:1px solid var(--border);border-radius:12px;font-size:13px;color:var(--text2)}
.tag:hover{color:var(--cyan)}

/* ===== MONITOR ===== */
.targets-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:24px}
.target-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:16px;text-align:center;display:block;color:var(--text);transition:all var(--tr)}
.target-card:hover,.target-card.active{border-color:var(--cyan);background:var(--bg4)}
.target-logo{width:40px;height:40px;border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;margin:0 auto 8px}
.target-name{font-size:14px;font-weight:600}
.target-count{font-size:12px;color:var(--text3);margin-top:2px}
.changes-list{display:flex;flex-direction:column;gap:12px}
.change-item{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:16px}
.change-item.impact-high{border-left:3px solid var(--red)}
.change-item.impact-medium{border-left:3px solid var(--yellow)}
.change-item.impact-low{border-left:3px solid var(--green)}
.change-header{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px;font-size:13px}
.change-comp{font-weight:700;color:var(--text)}
.change-cat{color:var(--text3);background:var(--bg4);padding:1px 8px;border-radius:8px}
.change-impact{font-size:12px;padding:1px 8px;border-radius:8px;font-weight:600}
.change-impact.high{background:rgba(239,68,68,.12);color:var(--red)}
.change-impact.medium{background:rgba(251,191,36,.12);color:var(--yellow)}
.change-impact.low{background:rgba(52,211,153,.12);color:var(--green)}
.change-date{color:var(--text3);margin-left:auto}
.change-title{font-size:15px;font-weight:600;margin-bottom:6px}
.change-desc{font-size:13px;color:var(--text2)}
.change-values{display:flex;gap:12px;margin-top:8px;font-size:13px}
.change-values .old{color:var(--red)}
.change-values .new{color:var(--green)}

/* ===== FILTER BAR ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.cat-btn{padding:6px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:20px;color:var(--text2);font-size:13px;cursor:pointer;transition:all var(--tr);font-family:inherit}
.cat-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.cat-btn.active{background:rgba(34,211,238,.1);border-color:var(--cyan);color:var(--cyan)}

/* ===== RANKING ===== */
.ranking-list{display:flex;flex-direction:column;gap:8px}
.ranking-item{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:14px 20px;display:flex;align-items:center;gap:14px;transition:all var(--tr);color:var(--text)}
.ranking-item:hover{background:var(--bg4);border-color:rgba(91,156,245,.3)}
.rank-num{width:36px;height:36px;border-radius:50%;background:var(--bg4);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--text2);flex-shrink:0}
.rank-num.top1{background:linear-gradient(135deg,#ffd700,#ffaa00);color:#000}
.rank-num.top2{background:linear-gradient(135deg,#c0c0c0,#a0a0a0);color:#000}
.rank-num.top3{background:linear-gradient(135deg,#cd7f32,#a05a00);color:#fff}
.ranking-info{flex:1;min-width:0}
.ranking-name{font-size:15px;font-weight:600;margin-bottom:3px}
.ranking-desc{font-size:13px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ranking-stats{display:flex;gap:12px;font-size:13px;flex-shrink:0}
.ranking-rating{color:var(--yellow)}
.ranking-views{color:var(--text3)}

/* ===== SEARCH ===== */
.search-page-form{margin-bottom:24px}
.search-page-form .hero-search{max-width:100%;display:flex;gap:10px}
.search-page-form .hero-search input{flex:1}
.search-btn{padding:14px 20px;background:var(--cyan);border:none;border-radius:12px;color:#0a0b10;font-weight:700;font-size:15px;cursor:pointer;transition:var(--tr);font-family:inherit}
.search-btn:hover{opacity:.9}
.search-summary{margin-bottom:20px;font-size:15px;color:var(--text2)}
.search-hot{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:14px;color:var(--text3)}
.search-hot a{padding:6px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:20px;color:var(--text2)}
.search-hot a:hover{border-color:var(--cyan);color:var(--cyan)}

/* ===== BREADCRUMB ===== */
.breadcrumb{font-size:13px;color:var(--text3);margin-bottom:20px;padding-top:20px}
.breadcrumb a{color:var(--text3)}
.breadcrumb a:hover{color:var(--cyan)}

/* ===== PAGINATION ===== */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:32px;flex-wrap:wrap}
.page-btn{padding:8px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--rs);color:var(--text2);font-size:14px;transition:var(--tr)}
.page-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.page-btn.active{background:var(--cyan);border-color:var(--cyan);color:#0a0b10;font-weight:700}

/* ===== BTN MORE ===== */
.btn-more{display:inline-flex;align-items:center;padding:10px 24px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);color:var(--text2);font-size:14px;font-weight:500;transition:var(--tr)}
.btn-more:hover{border-color:var(--cyan);color:var(--cyan)}

/* ===== FOOTER ===== */
.site-footer{background:var(--bg2);border-top:1px solid var(--border);padding:40px 0 0;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand .footer-logo{font-size:18px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;color:var(--text3);line-height:1.7}
.footer-links h4{font-size:14px;font-weight:700;margin-bottom:12px}
.footer-links a{display:block;font-size:13px;color:var(--text3);margin-bottom:8px;transition:var(--tr)}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--border);padding:16px 0;text-align:center;font-size:13px;color:var(--text3)}
.footer-bottom a{color:var(--text3)}
.footer-bottom a:hover{color:var(--cyan)}

/* ===== EMPTY STATE ===== */
.empty-state{text-align:center;padding:48px;color:var(--text3);font-size:15px;grid-column:1/-1}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .targets-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-search{display:none}
  .nav-mobile-btn{display:block}
  .hero h1{font-size:30px}
  .hero-stats{gap:16px}
  .hero-stat .num{font-size:24px}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .targets-grid{grid-template-columns:repeat(3,1fr)}
  .tools-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .articles-grid{grid-template-columns:1fr}
  .ranking-stats{display:none}
  .tool-detail-header{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .targets-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:12px;flex-wrap:wrap}
  .page-hero h1{font-size:24px}
}