:root{--primary:#0B3D91;--primary-dark:#062a68;--green:#287a45;--wood:#b9824f;--wood-light:#f1dfc9;--ink:#172033;--muted:#687386;--line:#dfe4eb;--surface:#fff;--soft:#f5f7fa;--shadow:0 12px 32px rgba(17,31,54,.09)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}
    body,a,button{letter-spacing:0}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#10213b;color:#dce7f8;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar a{color:#fff}
    .header{position:relative;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:24px}
    .logo{display:flex;align-items:center;gap:10px;min-width:170px;color:var(--primary);font-size:20px;font-weight:800}
    .logo img{width:42px;height:42px;object-fit:contain}
    .main-nav{flex:1;height:78px}
    .nav-list{height:100%;display:flex;align-items:stretch;justify-content:center;gap:2px;margin:0;padding:0;list-style:none}
    .nav-list>li{position:relative;display:flex;align-items:stretch}
    .nav-link{display:flex;align-items:center;padding:0 13px;font-size:15px;font-weight:700;white-space:nowrap}
    .nav-link:hover,.nav-list>li:focus-within>.nav-link{color:var(--primary)}
    .has-arrow::after{content:"";width:6px;height:6px;margin-left:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;visibility:hidden;opacity:0;transform:translate(-50%,8px);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.18s ease;pointer-events:none}
    .dropdown-panel{width:310px;padding:18px}
    .mega-menu{width:min(760px,calc(100vw - 40px));padding:22px}
    .nav-list>li:hover>.dropdown-panel,.nav-list>li:focus-within>.dropdown-panel,.nav-list>li:hover>.mega-menu,.nav-list>li:focus-within>.mega-menu{visibility:visible;opacity:1;transform:translate(-50%,0);pointer-events:auto}
    .dropdown-panel::before,.mega-menu::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:8px}
    .drop-title,.mega-title{margin:0 0 10px;color:var(--primary);font-size:13px;font-weight:800}
    .drop-item{display:block;padding:9px 10px;border-radius:4px;color:#344158;font-size:14px}
    .drop-item:hover{background:#eef4fd;color:var(--primary)}
    .mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .mega-card{min-width:0;display:flex;align-items:center;gap:11px;padding:10px;border:1px solid #e8ebf0;border-radius:6px}
    .mega-card:hover{border-color:#afc4e6;background:#f7faff}
    .mega-card img{width:48px;height:48px;flex:0 0 48px;border-radius:5px;object-fit:cover;background:#eef1f5}
    .mega-card>span{min-width:0;display:grid;gap:2px}
    .mega-card strong,.mega-card span span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:14px}
    .mega-card span span{color:var(--muted);font-size:12px}
    .mega-footer{display:block;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--primary);font-size:13px;font-weight:800;text-align:right}
    .header-btns{display:flex;align-items:center;gap:8px;white-space:nowrap}
    .member-btn,.open-btn{padding:9px 13px;border:1px solid var(--primary);border-radius:5px;font-size:13px;font-weight:700}
    .member-btn{color:var(--primary)}
    .open-btn{color:#fff;background:var(--primary)}
    .hamburger{display:none;width:42px;height:42px;padding:10px;border:1px solid var(--line);border-radius:5px;background:#fff;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--ink);transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .drawer-overlay{position:fixed;z-index:80;inset:0;visibility:hidden;background:rgba(7,17,31,.55);opacity:0;transition:.2s}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;z-index:90;top:0;right:0;width:min(390px,88vw);height:100%;overflow-y:auto;background:#fff;transform:translateX(100%);transition:.25s}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{min-height:68px;display:flex;align-items:center;gap:12px;padding:12px 18px;color:#fff;background:var(--primary)}
    .drawer-head>span{min-width:0;flex:1}
    .drawer-head a{padding:7px 12px;border:1px solid rgba(255,255,255,.6);border-radius:4px}
    .drawer-close{width:36px;height:36px;border:0;color:#fff;background:transparent;font-size:27px;cursor:pointer}
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:block;padding:13px 4px;border:0;border-bottom:1px solid var(--line);color:var(--ink);background:#fff;text-align:left;font-weight:700}
    .drawer-toggle{position:relative;cursor:pointer}
    .drawer-toggle::after{content:"+";position:absolute;right:5px}
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{display:none;padding:6px 0 8px 14px;border-bottom:1px solid var(--line)}
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{padding:8px;color:#566176;font-size:14px}
    .tag-index-page{min-height:640px;background:var(--soft)}
    .tag-index-page .tag-hero{padding:70px 0 62px;background:linear-gradient(180deg,#f5eadc 0,#fbfaf8 100%);border-bottom:1px solid #e2d1bd;text-align:center}
    .tag-index-page .tag-kicker{display:inline-block;margin-bottom:15px;padding:5px 11px;border:1px solid #8ba88f;border-radius:4px;color:var(--green);background:#fff;font-size:13px;font-weight:800}
    .tag-index-page h1{margin:0;color:#30251d;font-size:clamp(34px,5vw,56px);line-height:1.18}
    .tag-index-page .tag-intro{max-width:720px;margin:18px auto 0;color:#67594f;font-size:16px}
    .tag-index-page .crumbs{margin-top:20px;color:#796c62;font-size:13px}
    .tag-index-page .crumbs a{color:var(--primary)}
    .tag-index-page .tag-section{padding:58px 0 76px}
    .tag-index-page .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
    .tag-index-page .section-head h2{margin:0;font-size:26px}
    .tag-index-page .section-head p{margin:0;color:var(--muted);font-size:14px}
    .tag-index-page .tag-board{position:relative;padding:32px;border:1px solid #d5c2a9;border-radius:8px;background:#fff;box-shadow:var(--shadow)}
    .tag-index-page .tag-board::before{content:"";position:absolute;inset:8px;border:1px solid #eee5d9;border-radius:5px;pointer-events:none}
    .tag-index-page .tag-cloud{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:13px;min-height:250px}
    .tag-index-page .tag-chip{display:inline-flex;align-items:center;min-height:43px;padding:9px 15px;border:1px solid #d9dee6;border-radius:5px;color:#29364c;background:#fff;font-weight:700;box-shadow:0 3px 9px rgba(30,42,59,.05);transition:.18s}
    .tag-index-page .tag-chip::before{content:"#";margin-right:5px;color:var(--green)}
    .tag-index-page .tag-chip:nth-child(3n){border-color:#c8d7ec;color:var(--primary);font-size:17px}
    .tag-index-page .tag-chip:nth-child(4n){border-color:#bed2c3;background:#f4faf5;color:#246b3c}
    .tag-index-page .tag-chip:nth-child(5n){border-color:#ddc3a5;background:#fffaf4;color:#78502e;font-size:18px}
    .tag-index-page .tag-chip:hover{color:#fff;background:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
    .tag-index-page .tag-chip:hover::before{color:#fff}
    .tag-index-page .tag-guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}
    .tag-index-page .guide-item{padding:20px;border-top:3px solid var(--wood);background:#fff}
    .tag-index-page .guide-item:nth-child(2){border-color:var(--green)}
    .tag-index-page .guide-item:nth-child(3){border-color:var(--primary)}
    .tag-index-page .guide-item strong{display:block;margin-bottom:5px}
    .tag-index-page .guide-item span{color:var(--muted);font-size:14px}
    .footer{padding:55px 0 0;color:#cbd5e3;background:#101b2d}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px}
    .footer-brand{margin-bottom:12px;color:#fff;font-size:22px;font-weight:800}
    .footer h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer p{margin:7px 0;color:#aeb9ca;font-size:14px}
    .footer-grid>div>a{display:block;padding:4px 0;color:#cbd5e3;font-size:14px}
    .footer-grid>div>a:hover{color:#fff}
    .footer-social{margin-top:14px}
    .footer-bottom{margin-top:38px;padding:18px 0;border-top:1px solid #29364a;color:#9eabba;font-size:13px;text-align:center}
    @media(max-width:1060px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:70px}
      .logo{margin-right:auto}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar .contact{line-height:1.8}
      .member-btn{display:none}
      .tag-index-page .tag-hero{padding:48px 0}
      .tag-index-page .tag-section{padding:40px 0 55px}
      .tag-index-page .section-head{align-items:flex-start;flex-direction:column;gap:5px}
      .tag-index-page .tag-board{padding:25px 18px}
      .tag-index-page .tag-cloud{gap:9px}
      .tag-index-page .tag-chip{min-height:39px;padding:7px 11px;font-size:14px!important}
      .tag-index-page .tag-guide{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:480px){
      .logo{min-width:0;font-size:17px}
      .logo img{width:36px;height:36px}
      .open-btn{padding:8px 10px}
      .header-btns{gap:5px}
      .footer-grid{grid-template-columns:1fr}
    }