/* 快喵 kuaimiaona.com.cn - 全站样式 */
:root{--primary:#ff6b2c;--primary-dark:#e8561a;--dark:#151528;--dark2:#1e1e36;--blue:#3b6ef5;--teal:#17b3a3;--text:#2c2c3d;--muted:#6b6b80;--bg:#f6f7fb;--card:#ffffff;--line:#e8e9f0;--radius:14px;--shadow:0 6px 24px rgba(21,21,40,.08);--shadow-lg:0 16px 48px rgba(21,21,40,.14);}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px;}
.section-head .tag{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:rgba(255,107,44,.1);padding:5px 14px;border-radius:20px;margin-bottom:14px;letter-spacing:.5px;}
.section-head h2{font-size:34px;font-weight:800;color:var(--dark);margin-bottom:12px;line-height:1.3;}
.section-head p{color:var(--muted);font-size:16px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:10px;padding:13px 28px;font-size:16px;cursor:pointer;transition:.2s;}
.btn-primary{background:linear-gradient(135deg,#ff7a3d,#ff5b1f);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,107,44,.45);}
.btn-ghost{background:#fff;color:var(--dark);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#000;}

/* 顶部导航 */
.topbar{background:var(--dark);color:#c9c9dc;font-size:13px;padding:7px 0;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;}
.topbar a{color:#c9c9dc;}
.topbar a:hover{color:#fff;}
.nav{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;box-shadow:0 1px 0 var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{width:38px;height:38px;border-radius:10px;}
.brand .name{font-size:20px;font-weight:800;color:var(--dark);}
.brand .name span{color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:15px;font-weight:600;color:var(--text);padding:6px 0;position:relative;}
.nav-links a:hover,.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--primary);border-radius:2px;}
.nav-cta{display:flex;align-items:center;gap:12px;}

/* Hero */
.hero{background:radial-gradient(1200px 600px at 20% -10%,#2a2a52 0%,var(--dark) 55%);color:#fff;padding:70px 0 90px;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,107,44,.16);border:1px solid rgba(255,107,44,.4);color:#ffb08a;font-size:13px;font-weight:600;padding:6px 14px;border-radius:20px;margin-bottom:20px;}
.hero h1{font-size:46px;font-weight:800;line-height:1.2;margin-bottom:18px;}
.hero h1 .hl{color:var(--primary);}
.hero .sub{font-size:17px;color:#c4c4d8;max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:36px;margin-top:36px;}
.hero-stats .stat b{display:block;font-size:26px;color:#fff;}
.hero-stats .stat span{font-size:13px;color:#9d9db8;}

/* 客户端模拟器 */
.simulator{background:var(--dark2);border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);}
.sim-head{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#10101f;border-bottom:1px solid rgba(255,255,255,.08);}
.sim-head .dot{width:11px;height:11px;border-radius:50%;}
.sim-head .dot.r{background:#ff5f57;}.sim-head .dot.y{background:#febc2e;}.sim-head .dot.g{background:#28c840;}
.sim-head .url{flex:1;text-align:center;font-size:12px;color:#8a8aa5;background:rgba(255,255,255,.05);border-radius:6px;padding:4px 10px;}
.sim-body{padding:18px;}
.sim-conn{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.04);border-radius:10px;padding:14px;margin-bottom:14px;}
.sim-flag{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#ff7a3d,#3b6ef5);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;flex-shrink:0;}
.sim-conn .info{flex:1;}
.sim-conn .info .t{font-size:14px;font-weight:700;color:#fff;}
.sim-conn .info .s{font-size:12px;color:#8a8aa5;}
.sim-speed{text-align:right;}
.sim-speed b{font-size:20px;color:#28c840;display:block;}
.sim-speed span{font-size:11px;color:#8a8aa5;}
.sim-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;}
.sim-card{background:rgba(255,255,255,.04);border-radius:10px;padding:12px;}
.sim-card .k{font-size:11px;color:#8a8aa5;margin-bottom:4px;}
.sim-card .v{font-size:15px;font-weight:700;color:#fff;}
.sim-btn{display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#28c840,#17a12f);color:#fff;font-weight:700;border-radius:10px;padding:13px;font-size:15px;margin-top:6px;}
.sim-note{font-size:11px;color:#6f6f8c;text-align:center;margin-top:10px;}

/* 公告区 */
.notice{background:#fff;border-bottom:1px solid var(--line);}
.notice .container{display:flex;align-items:center;gap:16px;padding:16px 20px;}
.notice .badge{background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:5px;flex-shrink:0;}
.notice .text{font-size:15px;color:var(--text);}
.notice .text a{color:var(--blue);font-weight:600;}
.notice .text a:hover{text-decoration:underline;}

/* 核心功能 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.feature-card .icon{width:54px;height:54px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;}
.feature-card h3{font-size:19px;font-weight:800;color:var(--dark);margin-bottom:8px;}
.feature-card p{font-size:14.5px;color:var(--muted);}

/* 对比表 */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.compare-table{width:100%;border-collapse:collapse;font-size:15px;}
.compare-table th,.compare-table td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);}
.compare-table th{background:var(--dark);color:#fff;font-weight:700;font-size:14px;}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;font-weight:600;color:var(--text);width:22%;}
.compare-table tr:last-child td{border-bottom:none;}
.compare-table .yes{color:#17b3a3;font-weight:700;}
.compare-table .no{color:#c3c3d0;}
.compare-table .self{background:rgba(255,107,44,.06);}
.compare-table .self th{background:linear-gradient(135deg,#ff7a3d,#ff5b1f);}

/* 新闻 */
.news-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:36px;flex-wrap:wrap;}
.news-tab{padding:10px 22px;border-radius:8px;font-weight:600;font-size:14.5px;color:var(--muted);background:#fff;border:1px solid var(--line);cursor:pointer;}
.news-tab.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column;}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);}
.news-card .thumb{height:170px;overflow:hidden;}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;}
.news-card .body{padding:20px;flex:1;display:flex;flex-direction:column;}
.news-card .cat{font-size:12px;font-weight:700;color:var(--primary);margin-bottom:8px;}
.news-card h3{font-size:17px;font-weight:800;color:var(--dark);margin-bottom:10px;line-height:1.45;}
.news-card .desc{font-size:14px;color:var(--muted);margin-bottom:14px;flex:1;}
.news-card .meta{font-size:12.5px;color:#a0a0b4;}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.review-card .stars{color:#ffb400;font-size:16px;margin-bottom:12px;letter-spacing:2px;}
.review-card .quote{font-size:15px;color:var(--text);margin-bottom:16px;line-height:1.8;}
.review-card .user{display:flex;align-items:center;gap:12px;}
.review-card .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#ff7a3d,#3b6ef5);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.review-card .user .n{font-size:14px;font-weight:700;color:var(--dark);}
.review-card .user .r{font-size:12px;color:var(--muted);}

/* 下载区 */
.download-zone{background:linear-gradient(160deg,#1e1e36,#151528);color:#fff;}
.download-zone .section-head h2{color:#fff;}
.download-zone .section-head p{color:#b4b4ca;}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.dl-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:22px 16px;text-align:center;transition:.2s;}
.dl-card:hover{background:rgba(255,107,44,.14);border-color:rgba(255,107,44,.5);transform:translateY(-4px);}
.dl-card .icon{font-size:34px;margin-bottom:12px;}
.dl-card .plat{font-size:16px;font-weight:700;margin-bottom:4px;}
.dl-card .ver{font-size:12px;color:#9d9db8;margin-bottom:14px;}
.dl-card a.btn{width:100%;font-size:14px;padding:10px 0;}

/* 信任背书 */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.trust-card{text-align:center;padding:24px;}
.trust-card .big{font-size:32px;font-weight:800;color:var(--primary);}
.trust-card .label{font-size:14px;color:var(--muted);margin-top:6px;}

/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;}
.scene-card .icon{font-size:34px;margin-bottom:14px;}
.scene-card h3{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--muted);}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:16px;overflow:hidden;}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;color:var(--dark);font-size:16px;display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;color:var(--primary);font-weight:700;}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;}
.faq-body ol{margin-left:20px;}
.faq-body ol li{margin-bottom:8px;}
.faq-body .step{color:var(--dark);font-weight:600;}

/* CTA */
.cta{background:linear-gradient(135deg,#ff7a3d,#ff5b1f);color:#fff;text-align:center;}
.cta h2{font-size:34px;font-weight:800;margin-bottom:14px;}
.cta p{font-size:16px;margin-bottom:28px;opacity:.95;}
.cta .btn{background:#fff;color:var(--primary);font-size:17px;padding:15px 40px;}

/* 页脚 */
.footer{background:#10101f;color:#9d9db8;padding:56px 0 24px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px;}
.footer .brand{color:#fff;margin-bottom:14px;}
.footer .brand .name{color:#fff;}
.footer .desc{font-size:13.5px;line-height:1.9;margin-bottom:14px;}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer ul{list-style:none;}
.footer ul li{margin-bottom:9px;}
.footer ul a{color:#9d9db8;}
.footer ul a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12.5px;}
.footer-bottom a{color:#9d9db8;}
.footer-bottom a:hover{color:#fff;}

/* 面包屑 */
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;font-size:13.5px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span{color:var(--text);}
.breadcrumb .sep{margin:0 8px;color:#c3c3d0;}

/* 页面标题 */
.page-hero{background:radial-gradient(900px 400px at 15% -10%,#2a2a52,var(--dark) 60%);color:#fff;padding:60px 0;text-align:center;}
.page-hero h1{font-size:38px;font-weight:800;margin-bottom:12px;}
.page-hero p{color:#c4c4d8;max-width:680px;margin:0 auto;font-size:16px;}

/* 文章详情 */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:48px 0;}
.article-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;}
.article-main h1{font-size:30px;font-weight:800;color:var(--dark);line-height:1.4;margin-bottom:16px;}
.article-meta{display:flex;gap:18px;font-size:13.5px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px;flex-wrap:wrap;}
.article-body{font-size:16.5px;color:#3a3a4d;line-height:1.9;}
.article-body h2{font-size:23px;font-weight:800;color:var(--dark);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--primary);}
.article-body p{margin-bottom:18px;}
.article-body img{border-radius:12px;margin:20px 0;}
.article-body a{color:var(--blue);font-weight:600;}
.article-body a:hover{text-decoration:underline;}
.article-comments{margin-top:40px;border-top:1px solid var(--line);padding-top:28px;}
.article-comments h3{font-size:19px;font-weight:800;color:var(--dark);margin-bottom:20px;}
.comment-item{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:12px;}
.comment-item .top{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.comment-item .avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#ff7a3d,#3b6ef5);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;}
.comment-item .n{font-size:14px;font-weight:700;color:var(--dark);}
.comment-item .time{font-size:12px;color:#a0a0b4;margin-left:auto;}
.comment-item .c{font-size:14.5px;color:var(--text);}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.article-nav a{font-size:14px;color:var(--muted);}
.article-nav a:hover{color:var(--primary);}
.article-nav a b{display:block;font-size:15px;color:var(--dark);margin-bottom:2px;}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:22px;}
.sidebar .box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:88px;}
.sidebar h3{font-size:16px;font-weight:800;color:var(--dark);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary);}
.sidebar ul{list-style:none;}
.sidebar ul li{margin-bottom:10px;}
.sidebar ul a{font-size:14px;color:var(--text);line-height:1.5;}
.sidebar ul a:hover{color:var(--primary);}
.sidebar .cat-tag{display:inline-block;font-size:12px;background:rgba(255,107,44,.1);color:var(--primary);padding:3px 10px;border-radius:14px;margin:0 6px 8px 0;}

/* 相关阅读 */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;}

/* 404 */
.e404{text-align:center;padding:120px 0;}
.e404 .code{font-size:110px;font-weight:800;color:var(--primary);line-height:1;}
.e404 h1{font-size:28px;font-weight:800;color:var(--dark);margin:16px 0;}
.e404 p{color:var(--muted);margin-bottom:28px;}

/* 响应式 */
@media(max-width:992px){
  .hero .container{grid-template-columns:1fr;}
  .feature-grid,.news-grid,.review-grid,.scene-grid,.related{grid-template-columns:repeat(2,1fr);}
  .dl-grid{grid-template-columns:repeat(3,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .article-layout{grid-template-columns:1fr;}
  .nav-links{display:none;}
}
@media(max-width:600px){
  .feature-grid,.news-grid,.review-grid,.scene-grid,.related,.trust-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:repeat(2,1fr);}
  .hero h1{font-size:32px;}
  .section{padding:48px 0;}
}