/* ========================================
   价值Finance v2 — 现代化金融股票主题
   PC端 + 移动端响应式
   ======================================== */

/* CSS变量 */
:root {
    --primary: #0f1a2e;
    --primary-light: #1a2d4a;
    --primary-lighter: #243b60;
    --accent: #c8963e;
    --accent-light: #deb060;
    --bg: #f3f4f6;
    --card: #ffffff;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --link: #2563eb;
    --link-hover: #1d4ed8;
    --green: #059669;
    --red: #dc2626;
    --orange: #d97706;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.1);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --font: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    --header-h: 66px;
    --max-w: 1240px;
    --sidebar-w: 330px;
    --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--link-hover)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
input,button,textarea{font-family:inherit;font-size:inherit;outline:none}
::selection{background:var(--accent);color:#fff}

/* ========== 顶部导航 ========== */
.site-header{position:sticky;top:0;z-index:1000;background:var(--primary);box-shadow:0 2px 20px rgba(0,0,0,.2)}
.header-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:var(--header-h);padding:0 24px;gap:20px}
.site-logo{display:flex;align-items:center;gap:8px;color:#fff;font-size:1.2rem;font-weight:800;letter-spacing:.3px;flex-shrink:0}
.site-logo img{height:34px;width:auto}
.site-logo .logo-accent{color:var(--accent);font-weight:300;margin:0 2px}

/* 主导航 */
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav>li{position:relative}
.main-nav>li>a{display:flex;align-items:center;gap:5px;padding:10px 18px;color:rgba(255,255,255,.82);font-size:.9rem;font-weight:500;border-radius:var(--radius-xs);transition:all var(--transition);white-space:nowrap;letter-spacing:.2px}
.main-nav>li>a:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-nav>li.active>a,.main-nav>li>a.active{color:#fff;background:rgba(255,255,255,.13);font-weight:600}
.main-nav>li>a .arrow{font-size:.65rem;opacity:.5;transition:transform var(--transition)}
.main-nav>li:hover>a .arrow{transform:rotate(180deg);opacity:1}

/* 下拉菜单 */
.main-nav .sub-menu{position:absolute;top:calc(100% + 4px);left:0;min-width:170px;padding:8px;background:var(--card);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--transition);z-index:99;border:1px solid var(--border)}
.main-nav>li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.main-nav .sub-menu a{display:block;padding:9px 16px;color:var(--text);font-size:.87rem;border-radius:var(--radius-xs);transition:all .15s}
.main-nav .sub-menu a:hover{color:var(--link);background:var(--bg)}

/* 头部右侧 */
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-icon{width:38px;height:38px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);background:none;border:none;border-radius:var(--radius-xs);cursor:pointer;transition:all var(--transition)}
.btn-icon:hover{color:#fff;background:rgba(255,255,255,.1)}
.btn-login{display:inline-flex;align-items:center;gap:5px;padding:8px 20px;color:#fff;background:linear-gradient(135deg,var(--accent),#b8862d);border-radius:var(--radius-xs);font-size:.85rem;font-weight:600;transition:all var(--transition);box-shadow:0 2px 8px rgba(200,150,62,.25)}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(200,150,62,.35);color:#fff}
.mobile-menu-btn{display:none;width:38px;height:38px;align-items:center;justify-content:center;color:#fff;background:none;border:none;font-size:1.2rem;cursor:pointer;border-radius:var(--radius-xs)}

/* 搜索弹窗 */
.search-overlay{position:fixed;inset:0;background:rgba(15,26,46,.85);z-index:2000;display:none;align-items:flex-start;justify-content:center;padding-top:18vh;backdrop-filter:blur(4px)}
.search-overlay.active{display:flex}
.search-box{width:92%;max-width:560px;background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-lg);position:relative}
.search-box form{display:flex;gap:10px}
.search-box input{flex:1;padding:13px 18px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;transition:border-color var(--transition);background:var(--bg)}
.search-box input:focus{border-color:var(--link);background:var(--card)}
.search-box button{padding:13px 28px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;transition:all var(--transition);white-space:nowrap}
.search-box button:hover{background:var(--primary-light)}
.search-close{position:absolute;top:12px;right:12px;width:32px;height:32px;background:none;border:none;font-size:1.2rem;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all var(--transition)}
.search-close:hover{background:var(--bg);color:var(--text)}

/* ========== 主体布局 ========== */
.main-wrap{max-width:var(--max-w);margin:0 auto;padding:28px 24px;display:flex;gap:28px}
.content-area{flex:1;min-width:0}
.sidebar{width:var(--sidebar-w);flex-shrink:0}

/* ========== 幻灯片 ========== */
.hero-slider{position:relative;border-radius:var(--radius);overflow:hidden;margin-bottom:24px;box-shadow:var(--shadow-md);aspect-ratio:2.6/1;min-height:260px;background:var(--primary)}
.hero-slider .slides{display:flex;height:100%;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.hero-slider .slide{flex:0 0 100%;position:relative}
.hero-slider .slide-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.hero-slider .slide-bg img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-slider .slide-bg .no-img{font-size:4rem;opacity:.15}
.hero-slider .slide-info{position:absolute;bottom:0;left:0;right:0;padding:36px 32px 28px;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.hero-slider .slide-info h3{color:#fff;font-size:1.45rem;font-weight:800;line-height:1.4;margin-bottom:6px;text-shadow:0 1px 3px rgba(0,0,0,.3)}
.hero-slider .slide-info .slide-meta{color:rgba(255,255,255,.65);font-size:.85rem}
.hero-slider .slide-info .slide-meta .cat-badge{display:inline-block;padding:2px 10px;background:var(--accent);color:#fff;border-radius:4px;font-size:.75rem;font-weight:600;margin-right:8px}
.hero-slider .dots{position:absolute;bottom:16px;right:24px;display:flex;gap:8px}
.hero-slider .dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.35);cursor:pointer;transition:all var(--transition)}
.hero-slider .dot.active{background:var(--accent);transform:scale(1.4);box-shadow:0 0 8px rgba(200,150,62,.5)}

/* 滚动公告 */
.ticker-bar{background:var(--card);border-radius:var(--radius);padding:13px 20px;margin-bottom:24px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border)}
.ticker-bar .ticker-label{flex-shrink:0;padding:4px 12px;background:var(--red);color:#fff;font-size:.75rem;font-weight:700;border-radius:var(--radius-xs);letter-spacing:.5px}
.ticker-bar .ticker-content{overflow:hidden;white-space:nowrap;flex:1}
.ticker-bar .ticker-content>div{display:inline-block;animation:ticker 25s linear infinite}
@keyframes ticker{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}

/* ========== 文章卡片 ========== */
.post-cards{display:flex;flex-direction:column;gap:18px}
.post-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition);display:flex;border:1px solid var(--border)}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#d1d5db}
.post-card .card-img{width:280px;flex-shrink:0;position:relative;overflow:hidden;background:#f0f4f8;display:flex;align-items:center;justify-content:center;min-height:190px}
.post-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1);position:absolute;inset:0}
.post-card:hover .card-img img{transform:scale(1.06)}
.post-card .card-img .no-img{font-size:3rem;color:var(--text-muted);opacity:.4}
.post-card .card-img .card-cat{position:absolute;top:14px;left:14px;padding:4px 14px;background:var(--accent);color:#fff;font-size:.73rem;font-weight:700;border-radius:var(--radius-xs);letter-spacing:.3px;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.post-card .card-body{flex:1;padding:22px 26px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.post-card .card-body h2{font-size:1.15rem;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .card-body h2 a{color:var(--text)}
.post-card .card-body h2 a:hover{color:var(--link)}
.post-card .card-body .is-top{display:inline-block;padding:2px 9px;background:var(--red);color:#fff;font-size:.68rem;font-weight:700;border-radius:3px;margin-right:6px;vertical-align:2px}
.post-card .card-body .card-desc{color:var(--text-light);font-size:.88rem;line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .card-meta{display:flex;align-items:center;gap:14px;font-size:.8rem;color:var(--text-muted);flex-wrap:wrap}
.post-card .card-meta .meta-item{display:inline-flex;align-items:center;gap:4px}
.post-card .card-meta .tag{display:inline-block;padding:3px 10px;background:var(--bg);border-radius:20px;color:var(--text-light);font-size:.73rem;transition:all var(--transition)}
.post-card .card-meta .tag:hover{background:var(--primary);color:#fff}

/* ========== 首页推荐区 ========== */
.featured-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;margin-bottom:24px}
.featured-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition);border:1px solid var(--border)}
.featured-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.featured-card .fc-img{height:160px;background:#f0f4f8;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.featured-card .fc-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .5s}
.featured-card:hover .fc-img img{transform:scale(1.05)}
.featured-card .fc-img .no-img{font-size:2.5rem;opacity:.3}
.featured-card .fc-body{padding:16px 18px}
.featured-card .fc-body h3{font-size:.95rem;font-weight:700;line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.featured-card .fc-body h3 a{color:var(--text)}
.featured-card .fc-body h3 a:hover{color:var(--link)}
.featured-card .fc-body .fc-meta{font-size:.78rem;color:var(--text-muted)}

/* ========== 分页 ========== */
.pagination{display:flex;gap:6px;margin-top:28px;flex-wrap:wrap;justify-content:center}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;background:var(--card);border-radius:var(--radius-xs);font-size:.88rem;color:var(--text);box-shadow:var(--shadow-sm);transition:all var(--transition);border:1px solid var(--border)}
.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .current{background:var(--primary);color:#fff;font-weight:700;border-color:var(--primary)}

/* ========== 侧边栏 ========== */
.sidebar .widget{background:var(--card);border-radius:var(--radius);padding:22px;margin-bottom:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.sidebar .widget-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--accent);display:flex;align-items:center;gap:8px}
.sidebar .widget-title::before{content:'';width:4px;height:18px;background:var(--accent);border-radius:2px;flex-shrink:0}
.sidebar .hot-list li{padding:11px 0;border-bottom:1px solid var(--border)}
.sidebar .hot-list li:last-child{border:none}
.sidebar .hot-list a{font-size:.89rem;color:var(--text);line-height:1.45;display:flex;align-items:flex-start;gap:10px;transition:color var(--transition)}
.sidebar .hot-list a:hover{color:var(--link)}
.sidebar .hot-list .rank{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;background:var(--bg);border-radius:4px;font-size:.72rem;font-weight:800;flex-shrink:0}
.sidebar .hot-list li:nth-child(1) .rank{background:var(--red);color:#fff}
.sidebar .hot-list li:nth-child(2) .rank{background:var(--orange);color:#fff}
.sidebar .hot-list li:nth-child(3) .rank{background:var(--accent);color:#fff}
.sidebar .site-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sidebar .stat-item{text-align:center;padding:14px 8px;background:var(--bg);border-radius:var(--radius-sm);transition:all var(--transition)}
.sidebar .stat-item:hover{background:#e8ecf2}
.sidebar .stat-num{font-size:1.4rem;font-weight:800;color:var(--primary);line-height:1.2}
.sidebar .stat-label{font-size:.73rem;color:var(--text-muted);margin-top:3px}
.sidebar .comment-list li{padding:9px 0;border-bottom:1px solid var(--border);font-size:.84rem;color:var(--text-light)}
.sidebar .comment-list li:last-child{border:none}
.sidebar .comment-list a{color:var(--text);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.sidebar .links{display:flex;flex-wrap:wrap;gap:6px}
.sidebar .links a{display:inline-block;padding:6px 14px;background:var(--bg);border-radius:20px;font-size:.8rem;color:var(--text-light);transition:all var(--transition)}
.sidebar .links a:hover{background:var(--primary);color:#fff}

/* ========== 文章详情页 ========== */
.article-detail{background:var(--card);border-radius:var(--radius);padding:36px 40px;box-shadow:var(--shadow);border:1px solid var(--border)}
.article-header{margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.article-header h1{font-size:1.65rem;font-weight:800;line-height:1.45;margin-bottom:14px;color:var(--text);letter-spacing:.2px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:.85rem;color:var(--text-muted)}
.article-meta .cat-badge{padding:4px 12px;background:var(--accent);color:#fff;border-radius:var(--radius-xs);font-size:.76rem;font-weight:700}
.article-content{font-size:1.03rem;line-height:2;color:var(--text)}
.article-content h2{font-size:1.3rem;font-weight:700;margin:32px 0 16px;padding-left:16px;border-left:4px solid var(--accent);line-height:1.4}
.article-content h3{font-size:1.15rem;font-weight:700;margin:24px 0 14px}
.article-content p{margin-bottom:18px}
.article-content img{border-radius:var(--radius-sm);margin:20px auto;box-shadow:var(--shadow-md);max-width:100%}
.article-content blockquote{margin:20px 0;padding:18px 22px;background:#fffbeb;border-left:4px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#92400e;font-size:.95rem}
.article-content ul,.article-content ol{padding-left:24px;margin-bottom:18px}
.article-content li{margin-bottom:8px}
.article-content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.92rem}
.article-content th,.article-content td{padding:10px 14px;border:1px solid var(--border);text-align:left}
.article-content th{background:var(--bg);font-weight:700}
.article-content a{text-decoration:underline;text-underline-offset:3px}
.article-tags{margin-top:30px;padding-top:20px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.article-tags span.label{font-weight:700;font-size:.85rem}
.article-tags a{display:inline-block;padding:5px 16px;background:var(--bg);border-radius:20px;font-size:.8rem;color:var(--text-light);transition:all var(--transition)}
.article-tags a:hover{background:var(--primary);color:#fff}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.post-nav a{display:block;padding:18px 22px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);transition:all var(--transition);border:1px solid var(--border)}
.post-nav a:hover{box-shadow:var(--shadow-md);border-color:var(--accent)}
.post-nav .nav-label{font-size:.76rem;color:var(--text-muted);margin-bottom:6px;font-weight:600}
.post-nav .nav-title{font-size:.9rem;color:var(--text);font-weight:600;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.post-nav a:only-child{grid-column:1/-1}

/* 面包屑 */
.breadcrumb{padding:6px 0;margin-bottom:18px;font-size:.84rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--link)}
.breadcrumb span.sep{color:var(--text-muted);margin:0 8px}

/* 分类/搜索头 */
.page-header{background:var(--card);border-radius:var(--radius);padding:26px 32px;margin-bottom:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.page-header h1{font-size:1.35rem;font-weight:800;margin-bottom:6px}
.page-header p{color:var(--text-light);font-size:.9rem;margin-top:4px}

/* 页脚 */
.site-footer{background:var(--primary);color:rgba(255,255,255,.6);padding:32px 20px;text-align:center;font-size:.84rem;margin-top:48px}
.site-footer .footer-inner{max-width:var(--max-w);margin:0 auto}
.site-footer a{color:var(--accent)}
.site-footer .footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:14px;flex-wrap:wrap}
.site-footer .footer-links a{color:rgba(255,255,255,.55);font-size:.85rem;transition:color var(--transition)}
.site-footer .footer-links a:hover{color:var(--accent)}

/* 回到顶部 */
.back-top{position:fixed;bottom:32px;right:32px;width:46px;height:46px;background:var(--primary);color:#fff;border:none;border-radius:50%;cursor:pointer;box-shadow:var(--shadow-lg);display:none;align-items:center;justify-content:center;font-size:1.2rem;transition:all var(--transition);z-index:50}
.back-top.show{display:flex}
.back-top:hover{background:var(--accent);transform:translateY(-3px);box-shadow:0 8px 20px rgba(200,150,62,.35)}

/* 404 */
.page-404{text-align:center;padding:100px 20px}
.page-404 h1{font-size:7rem;font-weight:900;color:var(--primary);line-height:1;opacity:.9}
.page-404 p{color:var(--text-light);margin:16px 0 28px;font-size:1.1rem}
.page-404 a{display:inline-block;padding:12px 32px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;transition:all var(--transition)}
.page-404 a:hover{background:var(--accent);transform:translateY(-1px)}

/* 页面内容 */
.page-content{background:var(--card);border-radius:var(--radius);padding:36px 40px;box-shadow:var(--shadow);border:1px solid var(--border)}

/* ========================================
   移动端响应式
   ======================================== */
@media (max-width: 1024px) {
    .main-wrap{gap:20px;padding:20px 16px}
    .sidebar{width:280px}
    .post-card .card-img{width:220px;min-height:160px}
    .featured-grid{grid-template-columns:1fr 1fr}
}

@media (max-width: 768px) {
    :root{--header-h:58px}
    .header-inner{padding:0 14px;gap:12px}
    .main-nav{display:none;position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:var(--primary);flex-direction:column;align-items:stretch;padding:12px;overflow-y:auto;z-index:99;gap:2px}
    .main-nav.open{display:flex}
    .main-nav>li>a{padding:13px 18px;font-size:.93rem}
    .main-nav .sub-menu{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.04);border-radius:var(--radius-xs);box-shadow:none;border:none;margin:2px 8px;display:none;padding:4px}
    .main-nav>li.open-sub>.sub-menu{display:block}
    .main-nav .sub-menu a{color:rgba(255,255,255,.75);padding:10px 28px;font-size:.85rem}
    .main-nav .sub-menu a:hover{background:rgba(255,255,255,.08);color:#fff}
    .mobile-menu-btn{display:flex}
    .btn-login{font-size:.8rem;padding:6px 14px}
    .main-wrap{flex-direction:column;padding:16px 12px;gap:16px}
    .sidebar{width:100%}
    .hero-slider{aspect-ratio:16/9;min-height:180px;border-radius:var(--radius-sm)}
    .hero-slider .slide-info{padding:20px 18px 16px}
    .hero-slider .slide-info h3{font-size:1.1rem}
    .post-card{flex-direction:column}
    .post-card .card-img{width:100%;min-height:180px}
    .post-card .card-body{padding:18px}
    .post-card .card-body h2{font-size:1rem}
    .featured-grid{grid-template-columns:1fr}
    .article-detail{padding:22px 18px;border-radius:var(--radius-sm)}
    .article-header h1{font-size:1.3rem}
    .article-content{font-size:.95rem}
    .post-nav{grid-template-columns:1fr;gap:10px}
    .pagination a,.pagination span{min-width:36px;height:36px;font-size:.8rem}
    .page-header{padding:20px}
    .back-top{bottom:20px;right:16px;width:40px;height:40px}
    .ticker-bar{padding:10px 14px;font-size:.78rem}
}

@media (max-width: 480px) {
    .hero-slider{min-height:160px}
    .hero-slider .slide-info h3{font-size:.95rem}
    .post-card .card-img{min-height:150px}
    .article-detail{padding:16px 12px}
    .article-header h1{font-size:1.15rem}
    .site-logo{font-size:1rem}
    .btn-login{padding:5px 12px;font-size:.75rem}
}