/* 惠州市昆云科技原创出品禁止盗用 */
:root{
  --c-primary:#2563EB;--c-primary-dark:#1D4ED8;--c-primary-light:#DBEAFE;
  --c-accent:#0D9488;--c-accent-light:#CCFBF1;
  --c-bg:#F8FAFC;--c-surface:#FFFFFF;--c-text:#0F172A;--c-text-2:#475569;--c-text-3:#94A3B8;
  --c-border:#E2E8F0;--c-red:#DC2626;--c-orange:#EA580C;--c-green:#16A34A;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 4px 6px -1px rgba(15,23,42,.05),0 2px 4px -2px rgba(15,23,42,.05);
  --shadow-lg:0 10px 15px -3px rgba(15,23,42,.06),0 4px 6px -4px rgba(15,23,42,.05);
  --shadow-xl:0 20px 25px -5px rgba(15,23,42,.08),0 8px 10px -6px rgba(15,23,42,.08);
  --radius:12px;--radius-lg:16px;--radius-xl:20px;
  --serif:'Noto Serif SC',Georgia,serif;--sans:'Noto Sans SC',-apple-system,sans-serif;--mono:'DM Mono',monospace;
  --maxw:1280px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);background:var(--c-bg);color:var(--c-text);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
.read-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));width:0%;z-index:9999;transition:width .1s}
.topbar{background:#0F172A;color:#94A3B8;font-size:.75rem;padding:6px 0}
.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center}
.topbar-date{display:flex;align-items:center;gap:8px}
.topbar-date::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.topbar-links{display:flex;gap:16px}
.topbar-links a{transition:color .2s}
.topbar-links a:hover{color:#fff}
.header{background:var(--c-surface);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:1000;transition:box-shadow .3s}
.header.scrolled{box-shadow:var(--shadow-md)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);font-weight:900;font-size:1.1rem;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.logo-text{font-family:var(--serif);font-size:1.35rem;font-weight:700;letter-spacing:-.02em}
.logo-text span{color:var(--c-primary)}
.nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.nav-item{padding:8px 14px;font-size:.9rem;font-weight:500;color:var(--c-text-2);border-radius:8px;transition:all .2s;cursor:pointer;white-space:nowrap}
.nav-item:hover{background:var(--c-primary-light);color:var(--c-primary)}
.nav-item.active{background:var(--c-primary);color:#fff}
.header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-wrap{position:relative}
.search-input{width:200px;height:36px;padding:0 36px 0 12px;border:1.5px solid var(--c-border);border-radius:20px;font-size:.85rem;background:var(--c-bg);transition:all .2s}
.search-input:focus{border-color:var(--c-primary);background:var(--c-surface);width:240px}
.search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--c-text-3);pointer-events:none}
.city-selector{position:relative}
.city-btn{display:flex;align-items:center;gap:6px;padding:7px 14px;border:1.5px solid var(--c-border);border-radius:20px;font-size:.85rem;font-weight:500;background:var(--c-surface);transition:all .2s}
.city-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.city-btn .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.city-btn .arrow{transition:transform .2s}
.city-selector.open .city-btn .arrow{transform:rotate(180deg)}
.city-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:480px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:16px;display:none;z-index:100}
.city-selector.open .city-dropdown{display:block;animation:fadeUp .2s}
.city-dropdown-title{font-size:.75rem;color:var(--c-text-3);font-weight:500;margin-bottom:10px;padding:0 4px}
.city-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}
.city-item{padding:8px 12px;font-size:.82rem;border-radius:8px;cursor:pointer;transition:all .15s;text-align:center;color:var(--c-text-2)}
.city-item:hover{background:var(--c-primary-light);color:var(--c-primary)}
.city-item.active{background:var(--c-primary);color:#fff;font-weight:500}
.city-item .city-badge{font-size:.65rem;color:var(--c-text-3);margin-top:2px}
.city-item.active .city-badge{color:rgba(255,255,255,.7)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.hero{max-width:var(--maxw);margin:24px auto;padding:0 24px}
.hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;height:420px}
.hero-main{position:relative;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;box-shadow:var(--shadow-md)}
.hero-main-bg{position:absolute;inset:0;background:linear-gradient(135deg,#1E3A5F 0%,#2563EB 50%,#0D9488 100%)}
.hero-main-bg::after{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M0 0h80v80H0z' fill='none'/%3E%3Cpath d='M0 40h80M40 0v80' stroke='%23ffffff' stroke-width='.5' opacity='.05'/%3E%3C/svg%3E")}
.hero-main-content{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;color:#fff;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);border-radius:6px;font-size:.72rem;font-weight:500;margin-bottom:12px;width:fit-content}
.hero-title{font-family:var(--serif);font-size:1.75rem;font-weight:700;line-height:1.3;margin-bottom:10px;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.hero-summary{font-size:.9rem;line-height:1.6;opacity:.85;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero-meta{display:flex;align-items:center;gap:12px;font-size:.78rem;opacity:.7}
.hero-side{display:flex;flex-direction:column;gap:20px}
.hero-side-card{flex:1;position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.hero-side-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.hero-side-bg{position:absolute;inset:0}
.hero-side-bg-1{background:linear-gradient(135deg,#7C3AED,#2563EB)}
.hero-side-bg-2{background:linear-gradient(135deg,#0D9488,#0369A1)}
.hero-side-content{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;color:#fff;z-index:2}
.hero-side-tag{font-size:.68rem;font-weight:500;opacity:.7;margin-bottom:6px}
.hero-side-title{font-family:var(--serif);font-size:1.1rem;font-weight:600;line-height:1.4;margin-bottom:6px}
.hero-side-meta{font-size:.72rem;opacity:.6}
.category-bar{max-width:var(--maxw);margin:28px auto 20px;padding:0 24px}
.category-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.category-tabs::-webkit-scrollbar{display:none}
.cat-tab{padding:8px 18px;font-size:.85rem;font-weight:500;color:var(--c-text-2);background:var(--c-surface);border:1px solid var(--c-border);border-radius:20px;white-space:nowrap;cursor:pointer;transition:all .2s}
.cat-tab:hover{border-color:var(--c-primary);color:var(--c-primary)}
.cat-tab.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:0 4px 12px rgba(37,99,235,.25)}
.main-wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px 40px;display:grid;grid-template-columns:1fr 340px;gap:28px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.section-title h2{font-family:var(--serif);font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:8px}
.section-title h2::before{content:'';width:4px;height:20px;background:var(--c-primary);border-radius:2px}
.section-title a{font-size:.8rem;color:var(--c-text-3);transition:color .2s}
.section-title a:hover{color:var(--c-primary)}
.news-list{display:flex;flex-direction:column;gap:0}
.news-card{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-border);cursor:pointer;transition:all .2s}
.news-card:hover{padding-left:4px}
.news-card:hover .news-card-title{color:var(--c-primary)}
.news-card-thumb{width:180px;height:120px;border-radius:var(--radius);flex-shrink:0;overflow:hidden;position:relative}
.news-card-thumb-bg{width:100%;height:100%;background:linear-gradient(135deg,#2563EB,#0D9488);transition:transform .4s}
.news-card:hover .news-card-thumb-bg{transform:scale(1.05)}
.news-card-body{flex:1;display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.news-card-tags{display:flex;gap:6px;margin-bottom:8px}
.news-tag{padding:2px 8px;font-size:.7rem;font-weight:500;border-radius:4px}
.news-tag.tech{background:var(--c-primary-light);color:var(--c-primary)}
.news-tag.app{background:var(--c-accent-light);color:var(--c-accent)}
.news-tag.industry{background:#FEF3C7;color:#B45309}
.news-tag.policy{background:#FCE7F3;color:#BE185D}
.news-tag.hot{background:#FEE2E2;color:var(--c-red)}
.news-card-title{font-family:var(--serif);font-size:1.05rem;font-weight:600;line-height:1.5;margin-bottom:6px;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-summary{font-size:.82rem;color:var(--c-text-3);line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.news-card-meta{display:flex;align-items:center;gap:14px;font-size:.75rem;color:var(--c-text-3)}
.news-card-meta .city-label{display:flex;align-items:center;gap:3px;color:var(--c-accent)}
.sidebar{display:flex;flex-direction:column;gap:20px}
.sidebar-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:24px}
.hot-list{display:flex;flex-direction:column;gap:2px}
.hot-item{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px dashed var(--c-border);cursor:pointer;transition:all .15s}
.hot-item:last-child{border-bottom:none}
.hot-item:hover .hot-title{color:var(--c-primary)}
.hot-num{font-family:var(--mono);font-size:1rem;font-weight:500;width:24px;flex-shrink:0;text-align:center}
.hot-item:nth-child(1) .hot-num{color:var(--c-red)}
.hot-item:nth-child(2) .hot-num{color:var(--c-orange)}
.hot-item:nth-child(3) .hot-num{color:#EAB308}
.hot-item:nth-child(n+4) .hot-num{color:var(--c-text-3)}
.hot-content{flex:1;min-width:0}
.hot-title{font-size:.82rem;font-weight:500;line-height:1.4;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-meta{font-size:.7rem;color:var(--c-text-3);margin-top:3px}
.hot-trend{display:inline-flex;align-items:center;gap:2px;font-size:.65rem;padding:1px 5px;border-radius:3px;margin-left:4px}
.hot-trend.up{background:#FEE2E2;color:var(--c-red)}
.city-section{background:var(--c-surface);border-top:1px solid var(--c-border);padding:40px 0}
.city-section-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.city-section-header{text-align:center;margin-bottom:28px}
.city-section-header h2{font-family:var(--serif);font-size:1.6rem;font-weight:700;margin-bottom:6px}
.city-section-header h2 span{color:var(--c-primary)}
.city-section-header p{font-size:.85rem;color:var(--c-text-3)}
.city-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.city-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:16px;cursor:pointer;transition:all .25s;position:relative;overflow:hidden}
.city-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.city-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.city-card:hover::before{transform:scaleX(1)}
.city-card-name{font-family:var(--serif);font-size:1.05rem;font-weight:700;margin-bottom:4px}
.city-card-en{font-size:.65rem;color:var(--c-text-3);font-family:var(--mono);margin-bottom:10px}
.city-card-stats{display:flex;gap:10px;margin-bottom:8px}
.city-stat-num{font-family:var(--mono);font-size:1rem;font-weight:500;color:var(--c-primary)}
.city-stat-label{font-size:.65rem;color:var(--c-text-3)}
.city-card-tag{display:inline-block;font-size:.68rem;padding:2px 8px;background:var(--c-bg);border-radius:4px;color:var(--c-text-2)}
.data-section{max-width:var(--maxw);margin:40px auto;padding:0 24px}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.data-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:24px;position:relative;overflow:hidden}
.data-card::after{content:'';position:absolute;right:-20px;bottom:-20px;width:80px;height:80px;border-radius:50%;opacity:.05;background:var(--c-primary)}
.data-label{font-size:.75rem;color:var(--c-text-3);margin-bottom:8px}
.data-num{font-family:var(--mono);font-size:1.8rem;font-weight:500;line-height:1}
.data-unit{font-size:.8rem;color:var(--c-text-3);margin-left:4px}
.data-trend{font-size:.7rem;margin-top:6px;display:flex;align-items:center;gap:2px;color:var(--c-green)}
.footer{background:#0F172A;color:#94A3B8;padding:40px 0 24px;margin-top:40px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:24px}
.footer-brand{font-family:var(--serif);font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:10px}
.footer-brand span{color:var(--c-primary)}
.footer-desc{font-size:.8rem;line-height:1.7;margin-bottom:14px}
.footer-social{display:flex;gap:8px}
.footer-social a{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:all .2s}
.footer-social a:hover{background:var(--c-primary);color:#fff}
.footer-col h4{font-size:.85rem;color:#fff;margin-bottom:12px;font-weight:500}
.footer-col ul{display:flex;flex-direction:column;gap:6px}
.footer-col a{font-size:.78rem;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;display:flex;justify-content:space-between;align-items:center;font-size:.75rem}
.back-top{position:fixed;bottom:28px;right:28px;min-width:42px;min-height:42px;padding:8px 16px;border-radius:8px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,99,235,.3);opacity:0;transform:translateY(20px);transition:all .3s;z-index:900;cursor:pointer;font-size:13px;font-weight:500;gap:6px}
.back-top.show{opacity:1;transform:translateY(0)}
.back-top:hover{background:var(--c-primary-dark);transform:translateY(-2px)}
.fade-in{opacity:0;transform:translateY(20px);animation:fadeIn .5s ease forwards}
@keyframes fadeIn{to{opacity:1;transform:translateY(0)}}
.ad-list{display:flex;flex-direction:column;gap:10px}.ad-item{display:block;border:1px dashed var(--c-border);border-radius:10px;overflow:hidden;transition:.2s}.ad-item:hover{border-color:var(--c-primary);box-shadow:var(--shadow-sm)}.ad-item img{width:100%;height:100px;object-fit:cover;display:block}.ad-empty{height:100px;display:flex;align-items:center;justify-content:center;color:var(--c-text-3);font-size:.85rem;background:var(--c-bg)}
@media(max-width:1024px){.main-wrap{grid-template-columns:1fr}.city-cards{grid-template-columns:repeat(3,1fr)}.data-grid{grid-template-columns:repeat(2,1fr)}.hero-grid{grid-template-columns:1fr;height:auto}.hero-side{flex-direction:row}.hero-side-card{height:200px}.footer-grid{grid-template-columns:1fr 1fr}.nav{display:none}}
@media(max-width:640px){.city-cards{grid-template-columns:repeat(2,1fr)}.data-grid{grid-template-columns:1fr}.news-card-thumb{width:100px;height:80px}.news-card-title{font-size:.9rem}.hero-side{flex-direction:column}.footer-grid{grid-template-columns:1fr}.search-input{width:120px}.city-dropdown{width:300px;right:-50px}.city-grid{grid-template-columns:repeat(3,1fr)}}