/* =========================================================
   智联信息港 - 全局样式 (科技蓝 + 橙色强调)
   ========================================================= */
:root{
  --blue-900:#0f2b5b;
  --blue-700:#14509c;
  --blue-500:#1663c7;
  --blue-300:#2fa8e0;
  --blue-100:#eaf3fd;
  --orange:#ff7a1a;
  --orange-dark:#ef6a00;
  --green:#1caf6f;
  --red:#e5484d;
  --gray-900:#1c2430;
  --gray-600:#5a6b82;
  --gray-400:#93a2b8;
  --gray-200:#e4eaf2;
  --gray-100:#f5f7fb;
  --white:#ffffff;
  --radius:12px;
  --shadow:0 2px 12px rgba(20,60,120,.08);
  --shadow-lg:0 10px 30px rgba(20,60,120,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;background:var(--gray-100);color:var(--gray-900);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue-500);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue-300)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--blue-900);color:#c8d6ea;font-size:12.5px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:34px;gap:16px}
.topbar a{color:#c8d6ea}
.topbar a:hover{color:#fff}
.topbar-right{display:flex;gap:14px;align-items:center}
.topbar-user a{color:#fff;font-weight:bold}
.topbar-admin{color:#ffd9a8 !important}
.topbar-ann-label{color:#ffd9a8;font-weight:bold;flex-shrink:0}
.ann-ticker{overflow:hidden;flex:1;white-space:nowrap;max-width:640px}
.ann-ticker a{display:inline-block;margin-right:40px;animation:annScroll 18s linear infinite}
.ann-ticker a.on{animation:none}
@keyframes annScroll{0%{transform:translateX(0)}100%{transform:translateX(-40%)}}

/* ---------- 主导航 ---------- */
.site-header{background:var(--white);box-shadow:0 2px 10px rgba(20,60,120,.08);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo a{font-size:22px;font-weight:900;color:var(--blue-900);display:flex;align-items:center;gap:8px}
.logo-badge{background:linear-gradient(135deg,var(--blue-500),var(--blue-300));color:#fff;font-size:13px;font-weight:800;padding:3px 7px;border-radius:6px;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:36px}
.main-nav>a{display:inline-block;padding:9px 16px;border-radius:8px;color:var(--gray-600);font-size:15px;font-weight:500}
.main-nav>a:hover,.main-nav>a.active{color:var(--blue-500);background:var(--blue-100)}
.nav-drop{position:relative}
.nav-link{cursor:pointer}
.caret{display:inline-block;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid currentColor;margin-left:5px;vertical-align:middle}
.drop-panel{position:absolute;left:0;top:100%;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);padding:20px;width:720px;display:none;z-index:200;margin-top:8px}
.nav-drop:hover .drop-panel{display:block}
.drop-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.drop-col-title{font-weight:700;color:var(--blue-900);margin-bottom:10px;font-size:13.5px}
.drop-col-title a{color:var(--blue-900)}
.drop-col a{display:block;font-size:13px;color:var(--gray-600);padding:5px 0}
.drop-col a:hover{color:var(--blue-500)}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-block;padding:9px 20px;border-radius:8px;border:none;font-size:14px;cursor:pointer;font-weight:600;transition:all .2s;text-align:center;line-height:1.4}
.btn-primary{background:linear-gradient(120deg,var(--blue-500),var(--blue-300));color:#fff}
.btn-primary:hover{opacity:.9;color:#fff;transform:translateY(-1px)}
.btn-orange{background:linear-gradient(120deg,var(--orange),var(--orange-dark));color:#fff}
.btn-orange:hover{opacity:.9;color:#fff;transform:translateY(-1px)}
.btn-default{background:var(--gray-100);color:var(--gray-600);border:1px solid var(--gray-200)}
.btn-default:hover{border-color:var(--blue-300);color:var(--blue-500)}
.btn-danger{background:#fee;color:var(--red)}
.btn-danger:hover{background:var(--red);color:#fff}
.btn-block{display:block;width:100%}
.btn-sm{padding:5px 12px;font-size:12.5px}
.btn-publish{box-shadow:0 4px 14px rgba(47,168,224,.4)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--blue-900);cursor:pointer}

/* ---------- 区块标题 ---------- */
.section{margin:28px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:16px}
.section-title{font-size:22px;font-weight:800;color:var(--blue-900);display:flex;align-items:center;gap:10px}
.section-title::before{content:"";width:5px;height:22px;background:linear-gradient(180deg,var(--orange),var(--blue-300));border-radius:3px}
.section-more{font-size:13px;color:var(--gray-400)}
.section-more:hover{color:var(--blue-500)}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,var(--blue-900) 0%,var(--blue-700) 45%,var(--blue-300) 100%);color:#fff;padding:56px 0 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%)}
.hero::before{content:"";position:absolute;left:-100px;bottom:-160px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,26,.22),transparent 60%)}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero h1{font-size:40px;font-weight:900;letter-spacing:1px;margin-bottom:14px;text-shadow:0 2px 20px rgba(0,0,0,.2)}
.hero .hero-sub{font-size:16px;color:#cfe0ff;margin-bottom:28px;max-width:760px;margin-left:auto;margin-right:auto}
.hero-search{display:flex;max-width:620px;margin:0 auto 18px;background:#fff;border-radius:50px;padding:6px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.hero-search input{flex:1;border:none;outline:none;padding:12px 20px;font-size:15px;background:transparent;color:var(--gray-900)}
.hero-search button{border:none;background:linear-gradient(120deg,var(--orange),var(--orange-dark));color:#fff;border-radius:50px;padding:12px 34px;font-size:15px;font-weight:700;cursor:pointer}
.hero-btns{display:flex;justify-content:center;gap:14px}
.hero-btns .btn{min-width:160px;padding:12px 28px;font-size:15px}

/* ---------- 统计条 ---------- */
.stats-bar{background:var(--white);box-shadow:var(--shadow);border-radius:var(--radius);margin-top:-36px;position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.stat-item{padding:22px 16px;text-align:center;border-right:1px solid var(--gray-100)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:30px;font-weight:900;color:var(--blue-500);line-height:1.2}
.stat-label{font-size:13px;color:var(--gray-400);margin-top:4px}

/* ---------- Tab 面板 ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tab-item{padding:8px 20px;border-radius:50px;background:#eef2f9;color:var(--gray-600);font-size:13.5px;cursor:pointer;font-weight:600;transition:all .2s;border:none}
.tab-item:hover{color:var(--blue-500)}
.tab-item.active{background:linear-gradient(120deg,var(--blue-500),var(--blue-300));color:#fff;box-shadow:0 4px 12px rgba(22,99,199,.35)}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}

/* 信息卡片 */
.post-card{padding:16px;display:flex;flex-direction:column;gap:10px;position:relative}
.post-card .pc-tag{position:absolute;top:14px;left:0;background:linear-gradient(120deg,var(--orange),var(--orange-dark));color:#fff;font-size:11px;padding:2px 10px;border-radius:0 10px 10px 0}
.post-card .pc-title{font-size:15.5px;font-weight:700;color:var(--gray-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.post-card .pc-title:hover{color:var(--blue-500)}
.post-card .pc-desc{font-size:13px;color:var(--gray-400);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.post-card .pc-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--gray-400);padding-top:10px;border-top:1px dashed var(--gray-200)}
.post-card .pc-price{color:var(--orange);font-weight:800;font-size:15px}
.post-card .pc-cat{background:var(--blue-100);color:var(--blue-500);padding:1px 8px;border-radius:6px;font-size:11.5px}
.post-card .pc-img{height:150px;overflow:hidden;background:linear-gradient(120deg,var(--blue-100),var(--gray-100));display:flex;align-items:center;justify-content:center;font-size:34px;color:var(--blue-300)}
.post-card .pc-img img{width:100%;height:100%;object-fit:cover}

/* 侧边栏 */
.layout{display:grid;grid-template-columns:1fr 300px;gap:20px}
.sidebar .card{padding:16px;margin-bottom:16px}
.sidebar-title{font-size:16px;font-weight:800;color:var(--blue-900);margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--blue-100)}
.sidebar-list li{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed var(--gray-200);font-size:13.5px}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list a{color:var(--gray-600)}
.sidebar-list a:hover{color:var(--blue-500)}
.sidebar-list .badge{font-size:11px;background:var(--blue-100);color:var(--blue-500);padding:1px 8px;border-radius:20px}

/* ---------- 广告位 ---------- */
.ad-box{border-radius:var(--radius);overflow:hidden;position:relative;display:block;margin-bottom:16px}
.ad-box .ad-bg{position:absolute;inset:0;background:linear-gradient(120deg,var(--blue-900),var(--blue-500));opacity:.92}
.ad-box .ad-content{position:relative;z-index:1;padding:20px;color:#fff;display:flex;justify-content:space-between;align-items:center;min-height:80px}
.ad-box .ad-name{font-weight:800;font-size:17px}
.ad-box .ad-sub{font-size:12.5px;opacity:.85;margin-top:4px}
.ad-box .ad-price{text-align:right;font-size:12px}
.ad-box .ad-price b{font-size:20px;color:#ffd9a8}
.ad-side{border:1px dashed var(--gray-200);min-height:220px}
.ad-side .ad-bg{background:linear-gradient(120deg,var(--blue-700),var(--blue-300))}

/* ---------- CTA ---------- */
.cta-bar{background:linear-gradient(120deg,var(--orange),var(--orange-dark));border-radius:var(--radius);padding:30px 40px;display:flex;align-items:center;justify-content:space-between;color:#fff;box-shadow:0 10px 30px rgba(239,106,0,.3)}
.cta-bar h3{font-size:24px;font-weight:900}
.cta-bar p{opacity:.9;margin-top:4px}
.cta-bar .btn{background:#fff;color:var(--orange-dark)}
.cta-bar .btn:hover{background:var(--blue-900);color:#fff}

/* ---------- 表格 ---------- */
.table-wrap{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{background:var(--blue-100);color:var(--blue-900);text-align:left;padding:12px 14px;font-weight:700;white-space:nowrap}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--gray-100);color:var(--gray-600);vertical-align:middle}
.tbl tr:hover td{background:#fafcff}
.tbl .td-title{color:var(--gray-900);font-weight:600;max-width:300px}

/* ---------- 状态徽章 ---------- */
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge-green{background:#e4f7ee;color:var(--green)}
.badge-orange{background:#fff1e0;color:var(--orange-dark)}
.badge-red{background:#fdecec;color:var(--red)}
.badge-gray{background:#eef1f6;color:var(--gray-400)}
.badge-blue{background:var(--blue-100);color:var(--blue-500)}
.badge-gold{background:linear-gradient(120deg,#ffe9c9,#ffd9a8);color:#a05a00}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.form-item{margin-bottom:18px}
.form-item label{display:block;font-size:13.5px;font-weight:700;color:var(--gray-900);margin-bottom:7px}
.form-item .req{color:var(--red)}
.form-item input[type=text],.form-item input[type=password],.form-item input[type=email],.form-item input[type=tel],.form-item input[type=number],.form-item select,.form-item textarea{width:100%;padding:10px 14px;border:1px solid var(--gray-200);border-radius:8px;font-size:14px;outline:none;background:#fff;color:var(--gray-900);transition:border .2s;font-family:inherit}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{border-color:var(--blue-300);box-shadow:0 0 0 3px rgba(47,168,224,.15)}
.form-item textarea{min-height:120px;resize:vertical}
.form-item .help{font-size:12px;color:var(--gray-400);margin-top:5px}
.form-item .error{color:var(--red);font-size:12.5px;margin-top:5px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-tip{font-size:12.5px;color:var(--gray-400)}
.hr-dash{border:none;border-top:1px dashed var(--gray-200);margin:20px 0}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;gap:8px;justify-content:center;margin:24px 0}
.pager span,.pager a{min-width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-size:13px}
.pager a{background:#fff;color:var(--gray-600);border:1px solid var(--gray-200)}
.pager a:hover{border-color:var(--blue-300);color:var(--blue-500)}
.pager .cur{background:var(--blue-500);color:#fff;font-weight:700}
.pager>span:first-child{background:none;color:var(--gray-400)}

/* ---------- 详情页 ---------- */
.detail-wrap{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;margin-bottom:20px}
.detail-head{border-bottom:1px solid var(--gray-100);padding-bottom:18px;margin-bottom:20px}
.detail-head h1{font-size:24px;font-weight:900;color:var(--gray-900);margin-bottom:14px}
.detail-meta{display:flex;gap:20px;font-size:13px;color:var(--gray-400);flex-wrap:wrap;align-items:center}
.detail-body{font-size:15px;color:var(--gray-600);line-height:1.9}
.detail-body p{margin-bottom:12px}
.detail-imgs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.detail-imgs img{border-radius:10px;max-height:220px;object-fit:cover;width:100%}
.contact-box{background:var(--blue-100);border-radius:10px;padding:18px;margin-top:20px}
.contact-box h4{color:var(--blue-900);margin-bottom:12px;font-size:15px}
.contact-line{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:14px;color:var(--gray-600)}
.contact-line b{color:var(--blue-900);width:70px}
.contact-line .val{color:var(--orange-dark);font-weight:800}
.detail-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.like-link{cursor:pointer;user-select:none}
.like-link.liked{color:var(--red)}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--gray-400);padding:14px 0}
.crumbs a{color:var(--gray-400)}
.crumbs a:hover{color:var(--blue-500)}
.crumbs .cur{color:var(--gray-600)}

/* ---------- 用户中心布局 ---------- */
.user-layout{display:grid;grid-template-columns:220px 1fr;gap:20px;margin:24px 0}
.user-side{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 0;height:fit-content}
.user-side .user-card{text-align:center;padding:16px 16px 20px;border-bottom:1px solid var(--gray-100);margin-bottom:10px}
.user-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--blue-500),var(--blue-300));color:#fff;font-size:26px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 10px}
.user-side .uname{font-weight:700;color:var(--gray-900)}
.user-side a{display:block;padding:11px 24px;color:var(--gray-600);font-size:14px;border-left:3px solid transparent}
.user-side a:hover{color:var(--blue-500);background:var(--blue-100)}
.user-side a.active{color:var(--blue-500);background:var(--blue-100);border-left-color:var(--blue-500);font-weight:700}
.user-main{min-width:0}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.page-head h2{font-size:20px;font-weight:800;color:var(--gray-900)}

/* ---------- 套餐卡片 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plan-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;text-align:center;position:relative;transition:all .25s;border:2px solid transparent}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plan-card.hot{border-color:var(--orange);background:linear-gradient(180deg,#fff8f0,#fff)}
.plan-card .hot-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;padding:3px 16px;border-radius:20px;font-size:12px;font-weight:700}
.plan-card h3{font-size:20px;font-weight:900;color:var(--gray-900)}
.plan-price{font-size:36px;font-weight:900;color:var(--orange);margin:14px 0 4px}
.plan-price small{font-size:14px;color:var(--gray-400);font-weight:400}
.plan-desc{color:var(--gray-600);font-size:13.5px;min-height:40px}
.plan-feats{text-align:left;margin:16px 0 20px;font-size:13px;color:var(--gray-600)}
.plan-feats li{padding:5px 0;display:flex;gap:8px}
.plan-feats li::before{content:"✔";color:var(--green);flex-shrink:0}

/* ---------- 帮助中心 ---------- */
.help-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;margin:24px 0}
.help-side{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 0;height:fit-content}
.help-side a{display:block;padding:11px 24px;color:var(--gray-600)}
.help-side a.active,.help-side a:hover{color:var(--blue-500);background:var(--blue-100);font-weight:700}
.help-main{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.help-main h3{font-size:19px;color:var(--blue-900);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--blue-100)}
.help-main h4{font-size:15px;color:var(--gray-900);margin:18px 0 8px}
.help-main p{color:var(--gray-600);margin-bottom:10px;font-size:14px;line-height:1.9}
.faq-item{border:1px solid var(--gray-100);border-radius:10px;padding:14px 16px;margin-bottom:12px}
.faq-item .q{font-weight:700;color:var(--blue-900);margin-bottom:6px}
.faq-item .a{color:var(--gray-600);font-size:13.5px}

/* ---------- 公告列表 ---------- */
.ann-list .card{padding:16px 20px;margin-bottom:12px}
.ann-item h4{color:var(--gray-900);margin-bottom:6px}
.ann-item h4 a{color:var(--gray-900)}
.ann-item h4 a:hover{color:var(--blue-500)}
.ann-item .ann-time{font-size:12px;color:var(--gray-400);margin-bottom:8px}
.ann-item p{color:var(--gray-600);font-size:13.5px}

/* ---------- 文章/资讯 ---------- */
.article-card{display:flex;gap:16px;padding:18px}
.article-card .ac-cover{width:200px;height:130px;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,var(--blue-500),var(--blue-300));display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;flex-shrink:0}
.article-card .ac-cover img{width:100%;height:100%;object-fit:cover}
.article-card h3{font-size:16.5px;font-weight:800;color:var(--gray-900);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.article-card h3 a{color:var(--gray-900)}
.article-card h3 a:hover{color:var(--blue-500)}
.article-card p{font-size:13.5px;color:var(--gray-400);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.article-card .ac-meta{font-size:12.5px;color:var(--gray-400)}

/* 评论 */
.comment-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed var(--gray-100)}
.comment-item .cm-avatar{width:38px;height:38px;border-radius:50%;background:var(--blue-100);color:var(--blue-500);font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px}
.comment-item .cm-name{font-weight:700;color:var(--blue-900);font-size:13.5px}
.comment-item .cm-time{font-size:12px;color:var(--gray-400);margin-left:8px}
.comment-item .cm-text{margin-top:5px;color:var(--gray-600);font-size:14px}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,43,91,.55);z-index:1000;display:flex;align-items:center;justify-content:center}
.modal-box{background:#fff;border-radius:14px;width:92%;max-width:420px;padding:26px;box-shadow:var(--shadow-lg);animation:pop .2s ease}
@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.modal-title{font-size:18px;font-weight:800;color:var(--gray-900);margin-bottom:14px;text-align:center}
.modal-body{font-size:14px;color:var(--gray-600);text-align:center;line-height:1.8}
.modal-foot{display:flex;justify-content:center;gap:10px;margin-top:20px}

/* ---------- 后台布局 ---------- */
.admin-body{background:#eef1f6}
.admin-wrap{display:grid;grid-template-columns:210px 1fr;min-height:100vh}
.admin-side{background:var(--blue-900);color:#c8d6ea;padding:20px 0}
.admin-logo{color:#fff;font-size:18px;font-weight:900;padding:0 22px 20px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.admin-side a{display:block;padding:11px 22px;color:#a9bcd6;font-size:13.5px}
.admin-side a:hover{color:#fff;background:rgba(255,255,255,.08)}
.admin-side a.active{color:#fff;background:linear-gradient(90deg,rgba(47,168,224,.35),transparent);border-left:3px solid var(--blue-300)}
.admin-side .group-title{font-size:11px;color:#5b7291;padding:14px 22px 6px;text-transform:uppercase;letter-spacing:1px}
.admin-main{flex:1;padding:22px;min-width:0}
.admin-top{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:12px;padding:14px 20px;box-shadow:var(--shadow);margin-bottom:20px}
.admin-top h1{font-size:17px;font-weight:800;color:var(--gray-900)}
.admin-top .admin-user{font-size:13px;color:var(--gray-400)}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:16px}
.stat-card .sc-ico{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}
.stat-card .sc-num{font-size:24px;font-weight:900;color:var(--gray-900)}
.stat-card .sc-label{font-size:12.5px;color:var(--gray-400)}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.filter-bar select,.filter-bar input{padding:8px 12px;border:1px solid var(--gray-200);border-radius:8px;outline:none;font-size:13.5px;background:#fff}

/* ---------- 工具 ---------- */
.text-muted{color:var(--gray-400)}
.text-center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.mb16{margin-bottom:16px}
.empty{padding:60px 20px;text-align:center;color:var(--gray-400);font-size:14px}
.empty .empty-ico{font-size:46px;margin-bottom:12px;opacity:.5}
.login-page{min-height:100vh;background:linear-gradient(135deg,var(--blue-900),var(--blue-500));display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:#fff;border-radius:16px;width:100%;max-width:400px;padding:36px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card h2{font-size:22px;font-weight:900;color:var(--blue-900);text-align:center;margin-bottom:6px}
.login-card .sub{text-align:center;color:var(--gray-400);font-size:13px;margin-bottom:24px}
.login-links{display:flex;justify-content:space-between;font-size:13px;margin-top:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}
  .drop-panel{width:580px}
  .plan-grid{grid-template-columns:1fr}
  .layout,.user-layout,.help-layout{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:10px;box-shadow:var(--shadow-lg)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .drop-panel{position:static;width:100%;box-shadow:none;border:none;padding:0;display:none}
  .nav-drop.open .drop-panel{display:block}
  .drop-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-bottom:1px solid var(--gray-100)}
  .hero h1{font-size:28px}
  .hero-search{flex-direction:column;background:none;box-shadow:none;padding:0;gap:10px}
  .hero-search input,.hero-search button{border-radius:50px}
  .form-row{grid-template-columns:1fr}
  .detail-imgs{grid-template-columns:1fr}
  .article-card{flex-direction:column}
  .article-card .ac-cover{width:100%;height:180px}
  .admin-wrap{grid-template-columns:1fr}
  .admin-side{display:none}
  .topbar-inner{height:auto;padding:6px 0;flex-direction:column;gap:4px}
  .ann-ticker{max-width:100%}
}