/* 帮助中心首页 CSS（腾讯云文档中心复刻）*/
/* ====== rno-命名空间基础 ====== */
[class*=rno-],[class*=rno-]:after,[class*=rno-]:before{box-sizing:border-box}

/* ====== Hero区 ====== */
.rno-4-hero-group{min-width:320px;background-position:50%;background-repeat:no-repeat;background-color:#ecf0f1;-webkit-font-smoothing:antialiased;background-image:url(/help-images/banner480.jpg);background-size:auto 500px}
.rno-4-hero-inner{box-sizing:border-box;margin:0 auto;padding:0 10px;max-width:1200px;height:480px;color:#fff;line-height:1.5;font-size:0;position:relative}
.rno-4-hero-ct{display:block;width:620px;max-width:100%;margin:0 auto;padding-top:132px;text-align:left}
.rno-4-hero-tit{font-size:40px;font-weight:400;line-height:50px;color:#16181a;margin:0;text-align:center}
.rno-4-hero-search-wrap{position:relative;margin-top:32px;z-index:10;display:flex;border-radius:8px;background:#fff;border:1px solid #fff;transition:border-color .15s}
.rno-4-hero-search-wrap:focus-within{border-color:#0052cc}
.rno-4-hero-search-input-row{position:relative;flex:1;min-width:0}
.rno-4-hero-search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);z-index:1;width:16px;height:16px;color:#97a9bc;pointer-events:none}
.rno-4-hero-search-input{display:block;height:48px;width:100%;padding:4px 16px 4px 40px;font-size:16px;border:none;-webkit-appearance:none;appearance:none;box-sizing:border-box;background:transparent;outline:none;caret-color:#0052cc;color:#16181a;border-radius:6px 0 0 6px}
.rno-4-hero-search-input::placeholder{color:#97a9bc}
.rno-4-hero-search-input:focus{border-color:#0052cc}
.rno-4-hero-search-btn{flex-shrink:0;height:48px;min-width:96px;padding:0 24px;border:none;background-color:#0052cc;color:#fff;font-size:16px;cursor:pointer;transition:background-color .15s;outline:none;border-radius:0 6px 6px 0}
.rno-4-hero-search-btn:hover{background-color:#0047b3}
.rno-4-hero-search-btn:active{background-color:#003d99}

/* ====== 热门文档下拉面板 ====== */
.rno-4-hero-hot-panel{display:none;position:absolute;left:0;right:0;top:calc(100% + 2px);background:#fff;border:2px solid #fafcff;border-top:0;border-radius:0 0 8px 8px;padding:16px 20px 20px;z-index:9;box-shadow:8px 8px 20px 0 rgba(55,99,170,.15)}
.rno-4-hero-hot-panel.is-open{display:block}
.rno-4-hero-hot-panel-title{font-size:14px;color:#666;margin-bottom:12px}
.rno-4-hero-hot-panel-tags{display:flex;flex-wrap:wrap;gap:10px}
.rno-4-hero-hot-tag{display:inline-block;padding:6px 14px;border:1px solid #e5e7eb;border-radius:6px;font-size:14px;color:#333;cursor:pointer;transition:all .15s;background:#fff;user-select:none}
.rno-4-hero-hot-tag:hover{border-color:#0052cc;color:#0052cc}

/* ====== Panel面板 ====== */
.rno-3-event-panel-group{box-sizing:border-box;margin:-110px auto 0;position:relative;width:100%;max-width:none;padding:0;z-index:1}
.rno-3-event-panel-group-inner{margin:0 auto;box-sizing:border-box;bottom:0;left:0;right:0;height:110px;padding:0;background:hsla(0,0%,100%,.5);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:none;border-radius:0;border:0}
.rno-3-event-panel-list{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;max-width:1200px;padding-inline:10px;margin:0 auto}
.rno-3-event-panel-list li{display:inline-block;vertical-align:top;position:relative;width:20%}
.rno-3-event-panel-list li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:50px;background-color:#e3e8ed}
.rno-3-event-panel-list li:first-child::before{display:none}
.rno-3-event-panel{display:flex;align-items:flex-start;padding:20px;width:100%;text-decoration:none;box-sizing:border-box;gap:8px}
.rno-3-event-panel-object{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center}
.rno-3-event-panel-icon{display:block;width:20px;height:20px}
.rno-3-event-panel-body{flex:1;min-width:0}
.rno-3-event-panel-title{font-size:18px;color:#000;line-height:26px;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}
.rno-3-event-panel-desc{margin-top:2px;font-size:14px;color:#666;line-height:24px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}
.rno-3-event-panel:hover .rno-3-event-panel-title{color:#00a4ff}

/* ====== 左侧菜单 ====== */

.left-menu-item{border-left:2px solid transparent;cursor:pointer}
.left-menu-item:hover{background-color:#f7f8fa;color:#0052cc}
.left-menu-item > i{color:inherit}
.sub-menu-group{display:none;padding-left:0;border-left:2px solid #e5e7eb;margin-left:0}
.sub-menu-group.is-open{display:block}
.sub-menu-item{padding-left:0}
.sub-menu-item:hover{background-color:#edf4ff;color:#0052cc}
.sub-menu-item.active{background-color:#edf4ff;color:#0052cc}
.left-menu-item.left-menu-active{background-color:#edf4ff;color:#0052cc;border-left:2px solid #0052cc !important}

/* ====== 响应式 ====== */
@media screen and (max-width:768px){
.rno-4-hero-group{min-width:auto;width:100%;background-image:url(/help-images/banner-m200.jpg);background-size:auto 200px}
.rno-4-hero-inner{height:200px;padding-left:16px;padding-right:16px}
.rno-4-hero-ct{padding-top:50px;width:100%;text-align:center}
.rno-4-hero-tit{font-size:24px;line-height:40px;font-weight:500;text-align:center}
.rno-4-hero-search-wrap{margin-top:16px;border-radius:6px}
.rno-4-hero-search-input{font-size:14px;height:40px;padding:4px 12px 4px 36px;border-radius:4px 0 0 4px}
.rno-4-hero-search-icon{left:12px;width:14px;height:14px}
.rno-4-hero-search-btn{height:40px;min-width:72px;padding:0 16px;font-size:14px;border-radius:0 4px 4px 0}
.rno-4-hero-hot-panel{border-radius:0 0 6px 6px;padding:12px 14px 14px}
.rno-4-hero-hot-panel-title{font-size:12px;margin-bottom:8px}
.rno-4-hero-hot-panel-tags{gap:8px}
.rno-4-hero-hot-tag{padding:4px 10px;font-size:12px}
.rno-3-event-panel{padding:0}
.rno-3-event-panel-group{margin:0;padding:0;max-width:none;z-index:1}
.rno-3-event-panel-group-inner{border:0;box-shadow:none;border-radius:0;background:hsla(0,0%,100%,.5);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);height:110px}
.rno-3-event-panel-list{padding:8px 0 12px}
.rno-3-event-panel-list li{text-align:center;width:20%}
.rno-3-event-panel-list li::before{display:none}
.rno-3-event-panel-body,.rno-3-event-panel-object{display:block;text-align:center;width:100%;padding-right:0}
.rno-3-event-panel-desc{display:none}
.rno-3-event-panel-title{font-size:12px;line-height:20px}
.rno-3-event-panel-object{margin-bottom:8px}
}