.oak-lunbo-container{width:100%;max-width:100%;position:relative;display:block;border-radius:15px;overflow:hidden;margin:0;padding:0;background-color:rgba(0,0,0,0.3);backdrop-filter:blur(10px)}
.oak-lunbo-swiper{width:100%;position:relative;overflow:hidden;min-height:550px}
.oak-lunbo-vertical-nav{position:absolute;top:20px;left:20px;bottom:20px;width:280px;background-color: rgb(0 0 0 / 80%);backdrop-filter: blur(16px); border:1px solid rgba(255,255,255,0.15);border-radius:20px;padding:0;z-index:15;transition:all .3s ease;display:flex;align-items:stretch;justify-content:center;overflow:visible}
.oak-lunbo-nav-items{display:flex;flex-direction:column;width:100%;align-items:stretch;padding:20px 0;margin:0;gap:12px}
.oak-lunbo-nav-item{display:flex;flex-direction:row;align-items:center;text-align:left;padding:16px 12px;background:rgba(255,255,255,0.05);border-radius:12px;border:1px solid rgba(255,255,255,0.1);min-height:80px;height:85px;box-sizing:border-box;text-decoration:none!important;cursor:pointer}
.oak-lunbo-nav-item:hover{background:rgba(255,255,255,0.15)}
.oak-lunbo-nav-icon{font-size:32px;width:50px;color:#fff;border-radius:15px;background:rgba(255,255,255,0.15);margin-right:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;height:100%}
.oak-lunbo-nav-text{flex:1;display:flex;flex-direction:column;justify-content:center;height:100%}
.oak-lunbo-nav-title{margin:0 0 4px 0;font-size:16px;font-weight:600;line-height:1.3;color:#fff}
.oak-lunbo-nav-desc{font-size:12px;color:rgba(255,255,255,0.8);margin:0;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:19ch}
@media(max-width:950px){.oak-lunbo-vertical-nav{display:none}}
.oak-lunbo-slides-wrapper{width:100%;height:100%;position:relative}
.oak-lunbo-slide{width:100%;height:auto;position:absolute;top:0;left:0;background-size:cover;background-position:center;display:flex;align-items:center;opacity:0;transition:opacity .8s ease;z-index:1;min-height:550px}
.oak-lunbo-slide.active{opacity:1;z-index:2;position:relative}
.oak-lunbo-slide-background{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1}
.oak-lunbo-content-wrapper{position:relative;z-index:2;width:100%;padding:80px 60px;box-sizing:border-box;display:flex;align-items:center;justify-content:space-between;min-height:550px}
.oak-lunbo-left-content{flex:6.5;max-width:65%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;margin:0 auto}
.oak-lunbo-left-title{font-size:42px;font-weight:700;margin-bottom:25px;line-height:1.3;display:inline-block;width:100%}
.oak-lunbo-left-desc{font-size:18px;margin-bottom:35px;line-height:1.7;max-width:550px;margin-left:auto;margin-right:auto}
.oak-lunbo-buttons-container{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.oak-lunbo-left-button{display:inline-block;padding:0 19px;border-radius:80px;transition:all .3s ease;font-size:16px;font-weight:600;backdrop-filter:blur(10px);border:2px solid #fff;box-shadow:0 4px 20px rgba(0,0,0,0.1);white-space:nowrap;text-decoration:none;line-height:42px}
.oak-lunbo-left-button:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,0.3);text-decoration:none}
.oak-lunbo-right-content{flex:3.5;max-width:35%;display:flex;gap:20px;justify-content:flex-end;align-items:stretch}
.oak-lunbo-right-block{width:calc(50% - 10px);min-height:320px;max-height:360px;border-radius:16px;padding:30px;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;overflow:hidden;transition:all .3s ease;box-shadow:0 12px 30px rgba(0,0,0,0.12);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.1)}
.oak-lunbo-right-block:hover{transform:translateY(-10px);box-shadow:0 18px 40px rgba(0,0,0,0.18);border-color:rgba(255,255,255,0.2)}
.oak-lunbo-block-icon{font-size:48px;margin-bottom:18px;opacity:.95;height:55px;display:flex;align-items:center;justify-content:center}
.oak-lunbo-block-title{font-size:20px;font-weight:700;margin-bottom:10px;height:28px;display:flex;align-items:center;justify-content:center}
.oak-lunbo-block-desc{font-size:14px;line-height:1.6;opacity:.9;max-height:85px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 50px}
.oak-lunbo-block-button { display: inline-block; padding: 5px 10px; background: rgba(255, 255, 255, 0.15); color: inherit; text-decoration: none; border-radius: 6px; transition: all .3s ease; font-size: 14px; font-weight: 500; border: 1px solid rgba(255, 255, 255, 0.2); line-height: 23px; white-space: nowrap; backdrop-filter: blur(10px); }
.oak-lunbo-block-button:hover{background:rgba(255,255,255,0.25);transform:translateY(-2px)}
.oak-lunbo-custom-content{flex:3.5;max-width:35%;display:flex;align-items:center;justify-content:flex-end}
.oak-lunbo-pagination{position:absolute;bottom:30px;left:50%;z-index:2;transform:translateX(-50%);border-radius:20px;display:flex;align-items:center;justify-content:center}
.oak-lunbo-progress-container{display:flex;align-items:center;gap:8px}
.oak-lunbo-progress-track{width:40px;height:5px;background:rgba(255,255,255,0.5);border-radius:20px;overflow:hidden;position:relative;cursor:pointer}
.oak-lunbo-progress-bar{height:100%;background:#406aff;border-radius:2px;width:0;transition:width .3s ease}
.oak-lunbo-progress-track.active .oak-lunbo-progress-bar{width:100%}
.oak-lunbo-progress-track.active .oak-lunbo-progress-bar.animating{animation:progressAnimation 6s linear forwards}
@keyframes progressAnimation{0%{width:0}100%{width:100%}}
.oak-lunbo-left-content,.oak-lunbo-right-content,.oak-lunbo-custom-content{opacity:0;transform:translateY(40px);transition:all .9s cubic-bezier(.25,.46,.45,.94)}
.oak-lunbo-slide.active .oak-lunbo-left-content{opacity:1;transform:translateY(0);transition-delay:.3s}
.oak-lunbo-slide.active .oak-lunbo-right-content,.oak-lunbo-slide.active .oak-lunbo-custom-content{opacity:1;transform:translateY(0);transition-delay:.5s}

/* ========== 手机端间距优化 ========== */
@media(max-width:900px){.oak-lunbo-right-content,.oak-lunbo-custom-content{display:none;}
.oak-lunbo-left-content{max-width:100%;text-align:center;padding-right:0;align-items:center;justify-content:center;}.oak-lunbo-left-title{
font-size:32px;margin-bottom:15px;}
.oak-lunbo-left-desc{font-size:16px;margin-bottom:20px;}
.oak-lunbo-content-wrapper{padding:30px 25px;min-height:auto;}
.oak-lunbo-buttons-container{margin-top:8px;}
.oak-lunbo-slide,.oak-lunbo-swiper{min-height:450px;}
.oak-lunbo-pagination{bottom:15px;}}
@media(max-width:768px){.oak-lunbo-left-title{font-size:28px;margin-bottom:12px;}
.oak-lunbo-left-desc{font-size:15px;margin-bottom:16px;}
.oak-lunbo-content-wrapper{padding:20px 20px;}
.oak-lunbo-slide,.oak-lunbo-swiper{min-height:450px;}
.oak-lunbo-buttons-container{margin-top:6px;gap:12px;}
.oak-lunbo-left-button{font-size:15px;padding:0 16px;line-height:38px;}
.oak-lunbo-pagination{bottom:12px;}}
@media(max-width:480px){.oak-lunbo-content-wrapper{padding:15px 15px;}
.oak-lunbo-slide,
.oak-lunbo-swiper{min-height:450px;}
.oak-lunbo-left-title{font-size:24px;margin-bottom:10px;}
.oak-lunbo-left-desc{font-size:14px;margin-bottom:12px;}
.oak-lunbo-left-button{font-size:14px;padding:0 14px;line-height:34px;}
.oak-lunbo-buttons-container{gap:10px;margin-top:4px;}
.oak-lunbo-pagination{bottom:10px;}}

/* 导航子菜单样式 */
.oak-lunbo-nav-item-wrapper{position:static;margin:0 12px;}
.oak-lunbo-nav-submenu { position: absolute; left: calc(280px + 2px); top: 0; bottom: 0; min-width: 460px; height: 100%; background:#fff;border: 2px solid #000;border-radius: 18px; padding: 20px; display: none; z-index: 9999; box-sizing: border-box; overflow-y: auto;  overflow-x: hidden;scrollbar-width: none; -ms-overflow-style: none; }
.oak-lunbo-nav-item-wrapper:hover .oak-lunbo-nav-submenu{display:block}
.oak-lunbo-nav-submenu::before{content:'';position:absolute;left:-15px;top:0;width:15px;height:100%;pointer-events:all}
.oak-lunbo-submenu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.oak-lunbo-subitem{display:flex;align-items:center;gap:8px;padding:12px 15px;background: #f5f8fa;border-radius:12px;color:#000;text-decoration:none!important;transition:.3s;font-size:14px;cursor: pointer;}
.oak-lunbo-subitem:hover{background:#406aff;color:#fff}
.oak-lunbo-subitem i{font-size:18px;width:20px;text-align:center}
.oak-lunbo-subitem img{width:20px;height:20px;object-fit:cover;border-radius:4px}
/* 整行虚线分隔线 */
.submenu-divider {
    grid-column: 1 / -1;
    border-top:1px dashed #e5e5e5;
}