/* ========================================
   m4-home.css - 首页专属样式 (Mobile-first)
   ======================================== */

/* ========== 主布局 (手机:上下, 桌面:左右) ========== */
.duel-layout{display:flex;flex-direction:column;gap:0;padding:0;margin-top:16px;}
.duel-main{flex:1;min-width:0;}

/* ========== Hero Featured - 手机端竖排 ========== */
.du-stage{display:grid;grid-template-columns:1fr;gap:0;margin-bottom:24px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 40%,#1a1a2e 100%);border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,.06);position:relative;}
.du-stage::before{content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(233,69,96,.08) 0%,transparent 70%);pointer-events:none;}
.du-deck-body{flex:1;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:1;}
.du-badge{display:inline-block;padding:4px 12px;background:linear-gradient(135deg,#e94560,#c23152);color:#fff;border-radius:20px;font-size:11px;font-weight:700;margin-bottom:10px;width:fit-content;letter-spacing:1px;}
.du-head{font-size:18px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:8px;}
.du-lead{font-size:13px;color:#8a8aa0;line-height:1.6;}
.du-rating{color:#f5c518;font-weight:700;}
.du-meta{font-size:12px;color:#5a5a70;margin:8px 0 14px;display:flex;gap:6px;align-items:center;flex-wrap:wrap;}
.du-sep{color:#3a3a50;}
.du-go{display:inline-block;padding:9px 24px;background:linear-gradient(135deg,#e94560,#d63850);color:#fff;border-radius:8px;font-size:13px;font-weight:700;transition:all .25s;width:fit-content;letter-spacing:.5px;}
.du-go:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(233,69,96,.35);}
.du-deck-visual{display:none;}

/* ========== Hero Carousel (横向滑动) ========== */
.du-deck{overflow:hidden;position:relative;width:100%;}
.du-deck-track{display:flex;transition:transform .5s ease;}
.du-deck-slide{flex:0 0 100%;display:flex;flex-direction:row;padding:16px 14px;gap:12px;align-items:center;}
.du-dots{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:10;}
.du-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.25);cursor:pointer;transition:all .3s;border:none;padding:0;}
.du-dot.active{background:#e94560;width:16px;border-radius:4px;}

/* ========== 热门排行侧栏 (手机隐藏) ========== */
.du-hot{display:none;}

/* ========== Section Header ========== */
.section{margin-bottom:24px;}
.viol-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.06);}
.viol-left{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.viol-left h2{font-size:16px;font-weight:700;color:#fff;}
.viol-left h2 em{font-style:normal;color:#e94560;}
.viol-count{font-size:11px;color:#5a5a70;padding:2px 10px;background:rgba(255,255,255,.04);border-radius:10px;}
.viol-more{font-size:13px;color:#5a5a70;transition:color .2s;}
.viol-more:hover{color:#e94560;}

/* ========== Card Grid ========== */
.duel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.card{background:#1a1a2e;border-radius:12px;overflow:hidden;transition:all .3s;border:1px solid rgba(255,255,255,.04);}
.card:hover{transform:translateY(-5px);border-color:rgba(233,69,96,.2);box-shadow:0 12px 40px rgba(0,0,0,.35);}
.duel-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:#13132a;}
.duel-poster{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.card:hover .duel-poster{transform:scale(1.1);}
.duel-badge{position:absolute;top:8px;left:8px;padding:3px 12px;background:rgba(233,69,96,.9);color:#fff;font-size:11px;font-weight:700;border-radius:4px;z-index:2;}
.duel-badge-explainer{background:linear-gradient(135deg,#e94560,#f5c518);}
.duel-duration{position:absolute;bottom:8px;right:8px;padding:2px 8px;background:rgba(0,0,0,.75);color:rgba(255,255,255,.85);font-size:11px;border-radius:3px;z-index:2;}
.duel-body{padding:10px 10px 12px;}
.duel-body h4{font-size:13px;font-weight:500;color:#e0e0e0;line-height:1.4;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.duel-body h4 a{color:#e0e0e0;}
.duel-body h4 a:hover{color:#e94560;}
.duel-meta{font-size:12px;color:#5a5a70;display:flex;gap:6px;align-items:center;margin-bottom:6px;}
.duel-author{color:#8a8aa0;}
.duel-dot{color:#3a3a50;}
.duel-views{color:#5a5a70;}
.duel-tags{display:flex;gap:8px;align-items:center;font-size:11px;color:#5a5a70;}
.duel-tags span{background:rgba(255,255,255,.04);padding:2px 8px;border-radius:3px;}
.duel-score{color:#f5c518!important;background:rgba(245,197,24,.1)!important;}

/* ========== Dual Column Section ========== */
.dual-section{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:40px;}
.dual-col .viol-head{margin-bottom:14px;}
.mini-grid{display:grid;grid-template-columns:1fr;gap:12px;}
.mini-card{display:flex;gap:14px;background:#1a1a2e;border-radius:10px;overflow:hidden;transition:all .25s;border:1px solid rgba(255,255,255,.04);padding:0;}
.mini-card:hover{transform:translateX(4px);border-color:rgba(233,69,96,.15);box-shadow:0 4px 16px rgba(0,0,0,.2);}
.mini-img-wrap{width:120px;height:78px;flex-shrink:0;overflow:hidden;background:#13132a;}
.mini-img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.mini-card:hover .mini-img{transform:scale(1.08);}
.mini-body{flex:1;min-width:0;padding:10px 12px 10px 0;display:flex;flex-direction:column;justify-content:center;}
.mini-body h4{font-size:13px;font-weight:500;color:#d0d0e0;line-height:1.3;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mini-body h4 a{color:#d0d0e0;}
.mini-body h4 a:hover{color:#e94560;}
.mini-meta{font-size:11px;color:#5a5a70;}

/* ========== Sidebar ========== */
.rail-card{background:#1a1a2e;border-radius:12px;padding:20px;margin-bottom:22px;border:1px solid rgba(255,255,255,.04);}
.rail-card h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.06);}
.rail-card h3 em{font-style:normal;color:#e94560;}

/* Tags */
.tags{display:flex;flex-wrap:wrap;gap:6px;}
.tags a{display:inline-block;padding:5px 14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:20px;font-size:12px;color:#8a8aa0;transition:all .2s;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tags a:hover{background:rgba(233,69,96,.12);border-color:rgba(233,69,96,.2);color:#e94560;}

/* Rank */
.rank-list{liebiao-style:none;}
.rank-list li{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.04);}
.rank-list li:last-child{border-bottom:none;}
.rank-list .rn{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0;background:rgba(255,255,255,.06);color:#5a5a70;}
.rank-list li:nth-child(1) .rn{background:linear-gradient(135deg,#e94560,#c23152);color:#fff;}
.rank-list li:nth-child(2) .rn{background:linear-gradient(135deg,#f5c518,#d4a514);color:#0b0d17;}
.rank-list li:nth-child(3) .rn{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;}
.rank-list .rail-name{font-size:13px;color:#b0b0c0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;}
.rank-list .rail-name:hover{color:#e94560;}
.rank-list .rv{font-size:11px;color:#5a5a70;}

/* Category list */
.rail-cats{display:flex;flex-direction:column;gap:2px;}
.rail-cat{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-radius:8px;font-size:13px;color:#8a8aa0;transition:all .2s;}
.rail-cat:hover{background:rgba(233,69,96,.08);color:#e94560;}
.rail-num{font-size:11px;color:#5a5a70;padding:1px 8px;background:rgba(255,255,255,.04);border-radius:8px;}
.rail-cat:hover .rail-num{background:rgba(233,69,96,.1);color:#e94560;}

/* ========== 平板 (≥768px) ========== */
@media(min-width:768px){
    .duel-layout{flex-direction:row;gap:28px;margin-top:20px;}
    .du-stage{border-radius:12px;margin-bottom:30px;}
    .du-badge{font-size:12px;padding:5px 16px;margin-bottom:14px;}
    .du-head{font-size:22px;}
    .du-lead{font-size:14px;}
    .du-meta{font-size:13px;gap:8px;margin:12px 0 18px;}
    .du-go{font-size:14px;padding:11px 28px;}
    .du-deck-slide{padding:24px 28px;gap:20px;}
    .du-deck-visual{display:flex;width:100px;height:100px;}
    .du-dots{bottom:8px;}
    .du-dot{width:7px;height:7px;}
    .du-dot.active{width:18px;}
    .section{margin-bottom:30px;}
    .viol-head{margin-bottom:14px;padding-bottom:10px;}
    .viol-left{gap:10px;}
    .viol-left h2{font-size:18px;}
    .viol-count{font-size:12px;}
    .duel-grid{grid-template-columns:repeat(3,1fr);gap:14px;}
    .duel-body{padding:12px 14px 14px;}
    .duel-body h4{font-size:14px;}
    .du-hot{display:flex;padding:20px 16px 20px 0;flex-direction:column;justify-content:center;border-left:1px solid rgba(255,255,255,.06);}
}

/* ========== 桌面 (≥960px) ========== */
@media(min-width:960px){
    .duel-layout{gap:32px;margin-top:24px;}
    .du-stage{grid-template-columns:1fr 280px;border-radius:16px;margin-bottom:40px;}
    .du-deck-visual{width:130px;height:130px;}
    .du-deck-play{width:52px;height:52px;}
    .du-deck-play svg{width:22px;height:22px;fill:#fff;margin-left:2px;}
    .du-head{font-size:24px;}
    .du-deck-slide{padding:28px 32px;gap:24px;}
    .section{margin-bottom:40px;}
    .viol-head{margin-bottom:18px;}
    .viol-left h2{font-size:20px;}
    .duel-grid{grid-template-columns:repeat(4,1fr);gap:18px;}
    .duel-body{padding:14px 14px 16px;}
    .duel-body h4{font-size:14px;}
}