/* News-AI - Performance Optimized */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans TC',sans-serif;background:#000;color:#fff;line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:100;padding:0 36px;border-bottom:1px solid rgba(0,245,255,0.15);background:rgba(0,0,0,0.95);height:76px}
.header-inner{max-width:1480px;margin:0 auto;display:flex;align-items:center;gap:44px;height:100%}
.brand{display:flex;align-items:center;gap:18px}
.brand-logo{width:40px;height:40px;filter:drop-shadow(0 0 10px #00f5ff)}
.brand-name{font-size:22px;font-weight:900;color:#fff;letter-spacing:2px}
.brand-tagline{font-size:11px;font-weight:700;color:#00f5ff;letter-spacing:5px;text-transform:uppercase}
.header-nav{display:flex;gap:10px;flex:1}
.nav-link{padding:12px 22px;border-radius:16px;font-size:15px;font-weight:700;color:rgba(255,255,255,0.55);border:1px solid transparent;transition:all 0.2s}
.nav-link:hover{color:#fff;background:rgba(0,245,255,0.15);border-color:#00f5ff}
.nav-link.active{color:#000;background:#00f5ff;border-color:#00f5ff}
.header-meta{display:flex;align-items:center;gap:20px}
.live-badge{display:flex;align-items:center;gap:8px;padding:8px 18px;border-radius:20px;font-size:13px;font-weight:700;color:#ff073c;background:rgba(255,7,60,0.1);border:1px solid #ff073c}
.live-dot{width:8px;height:8px;border-radius:50%;background:#ff073c}
.date-display{font-size:13px;color:rgba(255,255,255,0.5)}
.ticker-wrap{background:rgba(0,0,0,0.95);height:48px;display:flex;align-items:center;border-bottom:1px solid rgba(0,245,255,0.12)}
.ticker-label{flex-shrink:0;background:linear-gradient(135deg,#00f5ff,#bc13fe);color:#000;padding:0 20px;font-size:12px;font-weight:900;height:100%;display:flex;align-items:center;gap:10px}
.ticker-track{flex:1;overflow:hidden;height:100%;position:relative}
.ticker-track::before,.ticker-track::after{content:'';position:absolute;top:0;bottom:0;width:60px;z-index:2;pointer-events:none}
.ticker-track::before{left:0;background:linear-gradient(to right,rgba(0,0,0,0.98),transparent)}
.ticker-track::after{right:0;background:linear-gradient(to left,rgba(0,0,0,0.98),transparent)}
.ticker-content{display:flex;align-items:center;height:100%;white-space:nowrap;width:max-content;min-width:max-content;will-change:transform}
.ticker-item{color:rgba(255,255,255,0.85);text-decoration:none;font-size:14px;padding:0 40px;font-weight:500}
.ticker-item:hover{color:#00f5ff}
.ticker-sep{color:rgba(255,255,255,0.3)}
.main-container{max-width:1480px;margin:0 auto;padding:40px 32px 100px}
.hero-section{text-align:center;padding:50px 20px 40px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 28px;border-radius:40px;font-size:13px;font-weight:700;color:#00f5ff;background:rgba(0,245,255,0.08);border:1px solid #00f5ff;margin-bottom:20px;letter-spacing:2px}
.hero-title{font-size:clamp(36px,7vw,64px);font-weight:900;background:linear-gradient(135deg,#fff 10%,#00f5ff 50%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;line-height:1.1}
.hero-sub{font-size:18px;color:rgba(255,255,255,0.5);letter-spacing:4px;font-weight:500}
.accent{-webkit-text-fill-color:#00f5ff}
.filter-bar{padding-bottom:28px}
.filter-bar-inner{display:flex;gap:12px;flex-wrap:wrap}
.filter-btn{padding:12px 24px;border-radius:14px;font-size:14px;font-weight:700;color:rgba(255,255,255,0.45);background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);transition:all 0.2s}
.filter-btn:hover{color:#000;background:#00f5ff;border-color:#00f5ff}
.filter-btn.active{color:#000;background:#00f5ff;border-color:#00f5ff}
.date-bar{margin-bottom:32px}
.date-bar-inner{display:flex;align-items:center;gap:20px;font-size:14px;color:rgba(255,255,255,0.4);padding:14px 24px;background:rgba(0,245,255,0.04);border-radius:14px;border:1px solid rgba(0,245,255,0.1);flex-wrap:wrap}
.date-bar-inner i{color:#00f5ff}
.date-status-group{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.date-status-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(0,245,255,0.12);border:1px solid rgba(0,245,255,0.2);color:#00f5ff;font-weight:700}
.date-status-text{font-size:15px;color:#ffffff;font-weight:600;letter-spacing:.2px}
.date-filter-form{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap;margin-left:auto;position:relative}
.date-filter-label{font-size:13px;color:rgba(255,255,255,0.7);font-weight:700}
.date-filter-hint-inline{font-size:12px;color:#8b98a7;margin-top:4px}
.calendar-picker{position:relative;width:min(240px,100%)}
.calendar-visual-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:0}
.calendar-trigger-input{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;border:1px solid #cfd8e3;background:#fff;color:#3b4a5a;font-size:15px;font-weight:500;cursor:pointer;box-shadow:0 2px 8px rgba(10,30,60,.08);transition:border-color .2s ease, box-shadow .2s ease}
.calendar-trigger-input:hover,.calendar-trigger-input[aria-expanded="true"]{border-color:#79a9d8;box-shadow:0 4px 14px rgba(60,120,180,.16)}
.calendar-trigger-text{color:#748396}
.calendar-trigger-icon{color:#7a8796}
.calendar-panel{position:absolute;top:calc(100% + 10px);left:0;width:min(320px,88vw);padding:14px 14px 10px;border-radius:14px;border:1px solid #e6ebf2;background:#fff;box-shadow:0 14px 36px rgba(15,23,42,.18);z-index:30}
.calendar-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.calendar-nav-group{display:flex;align-items:center;gap:2px}
.calendar-month-title{font-size:16px;font-weight:700;color:#1f2937;letter-spacing:.2px}
.calendar-nav-btn{width:28px;height:28px;border:none;background:transparent;color:#6b7280;cursor:pointer;font-size:18px;line-height:1;transition:color .2s ease, background .2s ease;border-radius:6px}
.calendar-nav-btn:hover{color:#111827;background:#f3f4f6}
.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.calendar-weekdays{margin-bottom:8px;padding-top:4px;border-top:1px solid #f0f2f6}
.calendar-weekdays span{font-size:13px;color:#5f6b7a;text-align:center;font-weight:500;padding-top:8px}
.calendar-grid{min-height:252px}
.calendar-day{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:38px;padding:6px 2px;border-radius:8px;border:1px solid transparent;background:transparent;color:#111827;font-size:15px;transition:all .18s ease}
.calendar-day.is-empty{pointer-events:none;opacity:0}
.calendar-day.is-disabled{color:#d1d5db;background:transparent}
.calendar-day.is-available{cursor:pointer;color:#111827;background:transparent}
.calendar-day.is-available:hover{background:#f3f7fb;border-color:#d7e3f0}
.calendar-day.is-selected{border-color:#7ea7c9;background:#eef6fc;color:#1f2937;box-shadow:none}
.calendar-day.is-today{box-shadow:inset 0 0 0 1px #8fb4d2}
.calendar-day-count{font-size:10px;line-height:1;color:#7b8794;opacity:1}
.calendar-footer{display:flex;align-items:center;justify-content:center;margin-top:8px;padding-top:8px;border-top:1px solid #f0f2f6}
.calendar-today-btn{border:none;background:transparent;color:#4f86b8;font-size:15px;font-weight:500;cursor:pointer;padding:8px 14px;border-radius:8px;transition:background .2s ease,color .2s ease}
.calendar-today-btn:hover{background:#f3f7fb;color:#2f6ea7}
.date-filter-hint{width:100%;font-size:12px;color:rgba(255,255,255,0.45);margin-top:6px}
.news-count{color:#00f5ff;font-weight:700}
.date-reset-link{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.82);font-weight:700;transition:all .2s ease}
.date-reset-link:hover{background:rgba(0,245,255,0.12);border-color:rgba(0,245,255,0.25);color:#00f5ff}
.seo-intro-section{margin-bottom:32px}
.seo-intro-card{padding:28px;border-radius:22px;border:1px solid rgba(0,245,255,0.14);background:linear-gradient(145deg,rgba(0,245,255,0.05),rgba(188,19,254,0.04));box-shadow:0 16px 36px rgba(0,0,0,0.22)}
.seo-intro-head{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.seo-intro-badge{display:inline-flex;align-items:center;gap:8px;width:max-content;padding:8px 14px;border-radius:999px;background:rgba(0,245,255,0.12);border:1px solid rgba(0,245,255,0.2);color:#00f5ff;font-size:13px;font-weight:700}
.seo-intro-head h2{font-size:clamp(22px,3vw,30px);line-height:1.35;color:#fff}
.seo-intro-content p{color:rgba(255,255,255,0.78);font-size:15px;line-height:1.9;margin-bottom:14px}
.seo-keyword-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;padding:0;margin-top:8px}
.seo-keyword-list li{padding:14px 16px;border-radius:14px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);color:#d9f8ff}
.related-reading-section,.faq-section{margin-bottom:32px}
.related-reading-head,.faq-head{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.related-reading-badge,.faq-badge{display:inline-flex;align-items:center;gap:8px;width:max-content;padding:8px 14px;border-radius:999px;background:rgba(188,19,254,0.14);border:1px solid rgba(188,19,254,0.24);color:#d6a6ff;font-size:13px;font-weight:700}
.related-reading-head h2,.faq-head h2{font-size:clamp(22px,3vw,30px);line-height:1.35;color:#fff}
.related-reading-head p{color:rgba(255,255,255,0.7);font-size:15px;line-height:1.8}
.related-reading-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.related-reading-card,.faq-card{padding:24px;border-radius:20px;border:1px solid rgba(255,255,255,0.08);background:linear-gradient(145deg,rgba(188,19,254,0.05),rgba(0,245,255,0.04));box-shadow:0 16px 36px rgba(0,0,0,0.2)}
.related-reading-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.related-category-link{font-size:18px;font-weight:800;color:#fff}
.related-category-link:hover{color:#00f5ff}
.related-count{font-size:12px;color:#cbb7dd;background:rgba(255,255,255,0.06);padding:6px 10px;border-radius:999px}
.related-reading-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.related-reading-list li a{display:block;color:rgba(255,255,255,0.82);line-height:1.6}
.related-reading-list li a:hover{color:#00f5ff}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:16px;border:1px solid rgba(255,255,255,0.08);background:rgba(0,0,0,0.22);padding:0 18px}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 0;font-size:16px;font-weight:700;color:#fff}
.faq-item summary::-webkit-details-marker{display:none}
.faq-answer{padding:0 0 18px}
.faq-answer p{color:rgba(255,255,255,0.78);line-height:1.9;font-size:15px}
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:28px}
.news-card{background:linear-gradient(145deg,rgba(0,245,255,0.04),rgba(188,19,254,0.02));border:1px solid rgba(0,245,255,0.15);border-radius:22px;position:relative;overflow:hidden;transition:transform 0.2s ease}
.news-card:hover{transform:translateY(-4px)}
.news-card-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0.25;pointer-events:none}
.card-body{padding:28px;position:relative;z-index:1}
.card-meta-top{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.rank-number{font-size:24px;font-weight:900;color:#00f5ff;min-width:40px}
.cat-tag{padding:5px 12px;border-radius:6px;font-size:11px;font-weight:700;text-transform:uppercase}
.cat-tag.cat-科技{background:rgba(0,245,255,0.15);color:#00f5ff}
.cat-tag.cat-經濟{background:rgba(252,238,33,0.15);color:#fcee0a}
.cat-tag.cat-政治{background:rgba(188,19,254,0.15);color:#bc13fe}
.cat-tag.cat-社會{background:rgba(255,7,60,0.15);color:#ff073c}
.cat-tag.cat-國際{background:rgba(57,255,20,0.15);color:#39ff14}
.meta-info{display:flex;gap:14px;font-size:12px;color:rgba(255,255,255,0.45);margin-left:auto}
.meta-source,.meta-date{display:flex;align-items:center;gap:6px}
.card-title{font-size:18px;font-weight:700;margin-bottom:14px;line-height:1.4}
.card-title a{color:#fff}
.card-title a:hover{color:#00f5ff}
.card-content-preview{margin-bottom:20px}
.content-text{color:rgba(255,255,255,0.6);font-size:14px;line-height:1.6}
.ai-block{margin-top:18px;padding:18px;background:rgba(0,0,0,0.3);border-radius:14px;border:1px solid rgba(255,255,255,0.06)}
.ai-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ai-icon{width:28px;height:28px;border-radius:6px;background:rgba(0,245,255,0.15);display:flex;align-items:center;justify-content:center;color:#00f5ff;font-size:13px}
.ai-title{font-size:13px;font-weight:700;color:#00f5ff}
.ai-content{color:rgba(255,255,255,0.55);font-size:13px;line-height:1.5}
.ai-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:#00f5ff;font-size:13px;font-weight:600}
.ai-link:hover{text-decoration:underline}
.ai-summary-block .ai-icon{background:rgba(0,245,255,0.15);color:#00f5ff}
.ai-commentary-block .ai-icon{background:rgba(188,19,254,0.15);color:#bc13fe}
.ai-commentary-block .ai-title{color:#bc13fe}
.card-footer{display:flex;gap:12px;margin-top:22px}
.btn-primary,.btn-secondary{padding:12px 20px;border-radius:10px;font-size:14px;font-weight:700;transition:all 0.2s}
.btn-primary{background:#00f5ff;color:#000}
.btn-primary:hover{background:#fff}
.btn-secondary{background:rgba(255,255,255,0.06);color:#fff;border:1px solid rgba(255,255,255,0.12)}
.btn-secondary:hover{background:rgba(255,255,255,0.12)}
.empty-state{text-align:center;padding:80px 20px;color:rgba(255,255,255,0.5);grid-column:1/-1}
.empty-state i{font-size:64px;margin-bottom:24px;opacity:0.3}
.site-footer{background:rgba(0,0,0,0.9);border-top:1px solid rgba(0,245,255,0.1);padding:40px 32px;margin-top:80px}
.footer-inner{max-width:1480px;margin:0 auto;text-align:center}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:14px}
.footer-logo{opacity:0.8}
.footer-desc{color:rgba(255,255,255,0.45);margin-bottom:10px}
.footer-copy{color:rgba(255,255,255,0.25);font-size:12px}
.page-detail{padding-top:20px}
.detail-card{background:linear-gradient(145deg,rgba(0,245,255,0.04),rgba(188,19,254,0.02));border:1px solid rgba(0,245,255,0.15);border-radius:24px;overflow:hidden;margin-bottom:32px}
.detail-card-header{padding:32px;background:rgba(0,0,0,0.3);border-bottom:1px solid rgba(255,255,255,0.06)}
.detail-meta{display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.detail-meta .cat-tag{font-size:12px}
.detail-source,.detail-date{font-size:13px;color:rgba(255,255,255,0.5);display:flex;align-items:center;gap:6px}
.detail-title{font-size:clamp(22px,4vw,32px);font-weight:900;line-height:1.3;margin-bottom:20px;background:linear-gradient(135deg,#fff,#00f5ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.featured-quickread{margin:20px 0 8px;padding:18px 20px;border-radius:18px;border:1px solid rgba(0,245,255,0.18);background:linear-gradient(145deg,rgba(0,245,255,0.08),rgba(188,19,254,0.05));box-shadow:0 10px 24px rgba(0,0,0,0.18)}
.featured-quickread-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;color:#fff}
.featured-quickread-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(0,245,255,0.14);border:1px solid rgba(0,245,255,0.22);color:#00f5ff;font-size:12px;font-weight:800}
.featured-quickread-list{list-style:none;display:flex;flex-direction:column;gap:10px;padding:0;margin:0}
.featured-quickread-list li{position:relative;padding-left:18px;color:rgba(255,255,255,0.84);line-height:1.8}
.featured-quickread-list li::before{content:'';position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:#00f5ff;box-shadow:0 0 10px rgba(0,245,255,0.55)}
.detail-btn{padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px}
.detail-btn-primary{background:#00f5ff;color:#000}
.detail-btn-primary:hover{background:#fff}
.detail-btn-secondary{background:rgba(255,255,255,0.06);color:#fff;border:1px solid rgba(255,255,255,0.12)}
.detail-btn-secondary:hover{background:rgba(255,255,255,0.12)}
.detail-card-body{padding:32px}
.detail-section{margin-bottom:32px}
.detail-section:last-child{margin-bottom:0}
.section-label{font-size:14px;font-weight:700;color:#00f5ff;margin-bottom:16px;display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:1px}
.section-label i{font-size:16px}
.images-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:16px}
.image-card{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,0.08)}
.image-card img{width:100%;height:250px;object-fit:contain;display:block;background:rgba(0,0,0,0.35)}
.content-block{background:rgba(0,0,0,0.3);border-radius:16px;padding:24px;border:1px solid rgba(255,255,255,0.06)}
.content-block p{color:rgba(255,255,255,0.8);font-size:16px;line-height:1.8}
.ai-section-card{background:linear-gradient(145deg,rgba(0,245,255,0.04),rgba(188,19,254,0.02));border:1px solid rgba(0,245,255,0.15);border-radius:22px;overflow:hidden;margin-bottom:28px}
.ai-section-card.commentary{border-color:rgba(188,19,254,0.25)}
.ai-card-header{padding:24px 28px;background:rgba(0,0,0,0.3);border-bottom:1px solid rgba(255,255,255,0.06)}
.ai-card-header.commentary{background:rgba(188,19,254,0.05)}
.ai-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:700}
.ai-badge.summary{background:rgba(0,245,255,0.15);color:#00f5ff}
.ai-badge.commentary{background:rgba(188,19,254,0.15);color:#bc13fe}
.ai-card-title{font-size:18px;font-weight:700;margin-top:14px;line-height:1.4}
.ai-card-desc{font-size:13px;color:rgba(255,255,255,0.45);margin-top:8px}
.ai-card-body{padding:28px}
.ai-content-block{background:rgba(0,0,0,0.3);border-radius:16px;padding:24px;border:1px solid rgba(255,255,255,0.06)}
.ai-content-text{color:rgba(255,255,255,0.8);font-size:15px;line-height:1.8}
.ai-meta{padding:16px 28px;background:rgba(0,0,0,0.2);border-top:1px solid rgba(255,255,255,0.04)}
.ai-word-count{font-size:12px;color:rgba(255,255,255,0.35)}
.ai-para{margin-bottom:16px}
.ai-section-heading{font-size:16px;font-weight:700;color:#00f5ff;margin:24px 0 12px;padding-bottom:8px;border-bottom:1px solid rgba(0,245,255,0.2);display:flex;align-items:center;gap:8px}
.ai-bullet{display:flex;align-items:flex-start;gap:10px;margin:8px 0;padding-left:8px}
.bullet-dot{width:6px;height:6px;border-radius:50%;background:#00f5ff;margin-top:8px;flex-shrink:0}
.ai-numbered{display:flex;align-items:flex-start;gap:12px;margin:10px 0}
.num-badge{min-width:24px;height:24px;border-radius:6px;background:rgba(0,245,255,0.15);color:#00f5ff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.source-card{background:rgba(0,0,0,0.3);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:24px;display:flex;align-items:center;gap:20px}
.source-icon{width:48px;height:48px;border-radius:12px;background:rgba(0,245,255,0.1);display:flex;align-items:center;justify-content:center;color:#00f5ff;font-size:20px;flex-shrink:0}
.source-name{font-size:16px;font-weight:700;margin-bottom:8px}
.source-link-btn{padding:8px 16px;border-radius:8px;background:#00f5ff;color:#000;font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:6

/* Ticker Animation (JS-driven for better browser compatibility) */
.ticker-content {
    transform: translate3d(0,0,0);
}