/* ============================================================
   llm-security.css — 大模型安全攻防子课题（分页版）专属样式
   与 ai-security.css / style.css 全局变量完全兼容，不修改全局样式
   2026-09-06 终审版：面包屑移入 Banner、Banner 高度优化、内容增补
   ============================================================ */

/* ===== JS图标基础 ===== */
[data-icon]{display:inline-flex;align-items:center;justify-content:center;line-height:0}
[data-icon] svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.js-icon{display:inline-flex;align-items:center;justify-content:center;line-height:0}
.js-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sub-hero-badge [data-icon] svg{width:14px;height:14px}
.pager-btn [data-icon] svg{width:16px;height:16px}
.mini-pager a [data-icon] svg{width:14px;height:14px;color:var(--primary)}
.figure-title [data-icon] svg,.figure-title .js-icon svg{width:18px;height:18px;color:var(--primary)}
.content-section h2 [data-icon] svg{width:22px;height:22px;vertical-align:-4px;margin-right:8px;color:var(--primary)}
.content-section h3 [data-icon] svg{width:17px;height:17px;vertical-align:-3px;margin-right:6px;color:var(--primary)}
.content-block h3 svg{width:20px;height:20px;color:var(--primary)}
.section-tag{display:inline-block}
.contact-btn svg{width:18px;height:18px}

/* ===== 面包屑移入 Banner 区域（2026-09-06 终审修正） ===== */
.hero-crumb{width:100%;max-width:1180px;margin:0 auto 16px;padding:0 24px;text-align:left;position:relative;z-index:2}
.hero-crumb .breadcrumb{display:inline-flex;flex-wrap:wrap;align-items:center;font-size:12.5px;color:rgba(255,255,255,.55);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:6px 16px;border-radius:100px;backdrop-filter:blur(4px)}
.hero-crumb .breadcrumb a{color:rgba(255,255,255,.78);text-decoration:none;font-weight:500;transition:color .2s}
.hero-crumb .breadcrumb a:hover{color:#fff}
.hero-crumb .breadcrumb span{opacity:.45;margin:0 5px}
.hero-crumb .breadcrumb .current{color:rgba(255,255,255,.95);font-weight:600}

/* ===== Banner 高度优化（压缩上下留白，使首屏更紧凑） ===== */
.subpage-hero{padding:96px 0 44px!important}
.subpage-hero h1{margin-bottom:12px!important}
@media (max-width:768px){
    .subpage-hero{padding:84px 0 30px!important}
    .hero-crumb{margin-bottom:12px;padding:0 16px}
    .hero-crumb .breadcrumb{font-size:11.5px;padding:5px 12px}
}

/* ===== 分页器 ===== */
.apt-pager{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px 20px;margin:0 0 32px;box-shadow:var(--shadow)}
.apt-pager.bottom{margin:48px 0 0}
.pager-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;border:1.5px solid var(--border);color:var(--text-secondary);font-size:13.5px;font-weight:600;text-decoration:none;transition:var(--transition);background:var(--bg-warm)}
.pager-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.pager-btn.primary{background:var(--primary-gradient);color:#fff;border-color:transparent;box-shadow:0 4px 14px rgba(26,110,255,.25)}
.pager-btn.primary:hover{transform:translateY(-2px);color:#fff}
.pager-steps{display:flex;gap:6px;align-items:center}
.pager-steps .p-label{font-size:12px;color:var(--text-light);margin-right:4px}
.pager-steps a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1.5px solid var(--border);font-size:13px;font-weight:700;color:var(--text-secondary);text-decoration:none;transition:var(--transition)}
.pager-steps a:hover{border-color:var(--primary);color:var(--primary)}
.pager-steps a.active{background:var(--primary-gradient);color:#fff;border-color:transparent;box-shadow:0 4px 10px rgba(26,110,255,.3)}
.mini-pager{margin-top:16px;padding-top:14px;border-top:1px dashed var(--border)}
.mini-pager a{display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:8px;font-size:13px;color:var(--text-secondary);text-decoration:none;font-weight:500;transition:var(--transition)}
.mini-pager a:hover,.mini-pager a.active{color:var(--primary);background:var(--primary-light)}

/* ===== 内容栅格与侧栏 ===== */
.content-grid{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.content-sidebar{position:sticky;top:96px}
.sidebar-nav{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.sidebar-nav h4{font-size:13px;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.sidebar-nav ul{list-style:none}
.sidebar-nav li{margin-bottom:4px}
.sidebar-nav a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--text-secondary);text-decoration:none;font-weight:500;transition:var(--transition)}
.sidebar-nav a:hover,.sidebar-nav a.active{color:var(--primary);background:var(--primary-light)}
.content-main{min-width:0}
.content-section{margin-bottom:48px}
.content-section h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.content-section h3{font-size:17px;font-weight:700;color:var(--text);margin:28px 0 12px}
.content-section p{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:16px}
.content-section ul,.content-section ol{margin-left:20px;margin-bottom:16px}
.content-section li{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:8px}
.content-section strong{color:var(--text)}
.content-section a{color:var(--primary);text-decoration:none}
.content-section a:hover{text-decoration:none}

/* ===== 关键指标卡 ===== */
.kv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}
.kv-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;position:relative;overflow:hidden;transition:var(--transition)}
.kv-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--primary-gradient);opacity:.55}
.kv-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.kv-num{font-size:30px;font-weight:900;color:var(--primary);line-height:1;font-variant-numeric:tabular-nums}
.kv-num small{font-size:14px;font-weight:600;margin-left:4px}
.kv-label{font-size:13.5px;font-weight:700;margin-top:8px;color:var(--text)}
.kv-desc{font-size:12px;color:var(--text-secondary);margin-top:4px;line-height:1.6}

/* ===== 数据表 ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);margin:20px 0;-webkit-overflow-scrolling:touch}
table.data-table{width:100%;border-collapse:collapse;font-size:13px;min-width:660px}
.data-table th{background:var(--primary-light);color:var(--primary-dark);font-weight:700;text-align:left;padding:12px 14px;white-space:nowrap;border-bottom:2px solid rgba(26,110,255,.15);font-size:12.5px}
.data-table td{padding:11px 14px;border-bottom:1px solid var(--border);color:var(--text-secondary);vertical-align:top;line-height:1.65}
.data-table tr:last-child td{border-bottom:none}
.data-table tbody tr{transition:var(--transition)}
.data-table tbody tr:hover{background:var(--bg-warm)}
.data-table td strong{color:var(--text)}
.data-table .grp td{background:var(--bg-warm);color:var(--primary-dark);font-weight:800;font-size:12.5px;letter-spacing:.5px}
.t-id{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;background:var(--bg-warm);border:1px solid var(--border);padding:2px 8px;border-radius:6px;white-space:nowrap}

/* ===== 图表 ===== */
.figure-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin:20px 0;box-shadow:var(--shadow)}
.figure-title{font-size:15px;font-weight:800;margin-bottom:4px;display:flex;align-items:center;gap:8px;color:var(--text)}
.figure-sub{font-size:12px;color:var(--text-light);margin-bottom:14px}
.figure-box canvas{width:100%;display:block}
.figure-src{font-size:11px;color:var(--text-light);margin-top:12px;font-style:italic}
.chart-legend{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:12px}
.chart-legend span{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}
.chart-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* ===== 警示框 / 提示框 ===== */
.warn-box{background:var(--warning-light);border-left:4px solid var(--warning);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:18px 22px;margin:20px 0}
.warn-box p{font-size:13.5px;color:#7c4a2d;margin:0;line-height:1.75}
.warn-box p strong{color:var(--warning)}
.info-box{background:var(--primary-light);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:18px 22px;margin:20px 0}
.info-box p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin:0}
.info-box p strong{color:var(--primary)}
.src-note{font-size:12px;color:var(--text-light);margin-top:-8px;margin-bottom:14px}
.src-pill{display:inline-block;font-size:11px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:2px 10px;border-radius:100px;margin-left:6px;vertical-align:1px}

/* ===== 别名标签 ===== */
.alias-tags{display:flex;flex-wrap:wrap;gap:6px}
.alias-tags span{font-size:11px;background:var(--bg-warm);border:1px solid var(--border);padding:3px 10px;border-radius:100px;color:var(--text-secondary);font-family:ui-monospace,Menlo,Consolas,monospace}

/* ===== 攻防双面卡片 ===== */
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.duo-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;position:relative;overflow:hidden;transition:var(--transition)}
.duo-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.duo-card.atk::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#f5576c,#f093fb)}
.duo-card.def::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary-gradient)}
.duo-card h4{font-size:15px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.duo-card h4 .js-icon svg{width:18px;height:18px;color:var(--primary)}
.duo-card.atk h4 .js-icon svg{color:#dc2626}
.duo-card ul{margin-left:18px;margin-bottom:0}
.duo-card li{font-size:13px;color:var(--text-secondary);line-height:1.75;margin-bottom:6px}

/* ===== 移动端 ===== */
@media (max-width:1024px){
    .kv-grid{grid-template-columns:repeat(2,1fr)}
    .duo-grid{grid-template-columns:1fr}
    .content-grid{grid-template-columns:1fr}
    .content-sidebar{position:static}
}
@media (max-width:768px){
    .kv-grid{grid-template-columns:repeat(2,1fr);gap:12px}
    .kv-num{font-size:24px}
    .apt-pager{justify-content:center}
    .pager-steps{order:3;width:100%;justify-content:center}
    table.data-table{font-size:12px;min-width:560px}
    .data-table th,.data-table td{padding:9px 10px}
    .figure-box{padding:16px}
}

/* ===== 终审样式修正：去除链接悬停下划线 / 侧栏目录默认文本色（仅焦点为蓝色） ===== */
a:hover{text-decoration:none!important}
.sidebar-nav a{color:var(--text-secondary)!important;background:transparent!important}
.sidebar-nav a:hover{color:var(--text)!important;background:var(--bg-warm)!important}
.sidebar-nav a.active{color:var(--primary)!important;background:var(--primary-light)!important;font-weight:700}
.mini-pager a{color:var(--text-secondary)!important}
.mini-pager a:hover{color:var(--text)!important;background:var(--bg-warm)}
.mini-pager a.active{color:var(--primary)!important;background:var(--primary-light)}