/* =====================================================================
   TMGM 站点样式表  ——  响应式 / 移动优先
   ===================================================================== */

/* ---------- 变量 ---------- */
:root{
  --primary:#1a56db;
  --primary-dark:#1240a8;
  --primary-light:#e8efff;
  --text:#1f2937;
  --text-2:#4b5563;
  --text-3:#9ca3af;
  --border:#e5e7eb;
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --bg-dark:#0f172a;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 2px 12px rgba(15,23,42,.06);
  --shadow-lg:0 12px 32px rgba(15,23,42,.10);
  --container:1200px;
  --header-h:64px;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",
              "Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.7;color:var(--text);background:var(--bg);
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0 0 12px;}
h1{font-size:30px;line-height:1.3;}
h2{font-size:26px;line-height:1.35;}
h3{font-size:18px;}
h4{font-size:16px;}
button{font-family:inherit;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
em{font-style:normal;}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
.section-gray{background:var(--bg-soft);}
.section-head{text-align:center;margin-bottom:40px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;
                  text-align:left;gap:16px;}
.section-title{font-size:28px;font-weight:700;color:var(--text);margin:0 0 8px;}
.section-title.left{text-align:left;}
.section-sub{color:var(--text-2);font-size:15px;margin:0;}
.link-more{color:var(--primary);font-weight:600;white-space:nowrap;}
.empty-tip{text-align:center;color:var(--text-3);padding:40px 0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 22px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:all .2s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-white{background:#fff;color:var(--primary);}
.btn-white:hover{background:#f0f4ff;color:var(--primary-dark);}
.btn-danger{background:#dc2626;color:#fff;}
.btn-danger:hover{background:#b91c1c;color:#fff;}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-xs{padding:4px 10px;font-size:12px;border-radius:6px;}
.btn-lg{padding:13px 30px;font-size:16px;}
.btn-block{display:flex;width:100%;}

/* =====================================================================
   顶部导航
   ===================================================================== */
.site-header{
  position:sticky;top:0;z-index:1000;background:#fff;
  box-shadow:0 1px 4px rgba(15,23,42,.06);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:var(--header-h);
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),#4f8bff);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
}
.logo-text{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;gap:5px;
  padding:8px 14px;border-radius:8px;font-size:15px;color:var(--text-2);
  font-weight:500;transition:all .2s;
}
.nav-link:hover{background:var(--primary-light);color:var(--primary);}
.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.nav-ico{font-size:14px;}

.header-actions{display:flex;gap:10px;flex-shrink:0;}

/* 按钮下方 QQ 行 */
.header-qq{
  display:flex;align-items:center;justify-content:flex-end;gap:8px;
  font-size:12.5px;color:var(--text-3);
  padding:0 20px 7px;max-width:var(--container);margin:0 auto;
}
.header-qq a{color:var(--primary);font-weight:600;}
.qq-dot{
  width:7px;height:7px;border-radius:50%;background:#22c55e;
  box-shadow:0 0 0 3px rgba(34,197,94,.18);
}
.header-qq-sep{color:#d1d5db;}

/* 汉堡按钮 */
.hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;border:1px solid var(--border);border-radius:8px;
  background:#fff;padding:0 10px;margin-left:auto;flex-shrink:0;
}
.hamburger span{
  display:block;height:2px;background:var(--text);border-radius:2px;
  transition:transform .25s,opacity .25s;
}
.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);}

/* =====================================================================
   Hero
   ===================================================================== */
.hero{
  background:linear-gradient(135deg,#0f172a 0%,#16305e 55%,#1a56db 100%);
  color:#fff;padding:70px 0 80px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-160px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,139,255,.30),transparent 65%);
}
.hero-inner{
  display:grid;grid-template-columns:1.35fr 1fr;gap:50px;align-items:center;
  position:relative;z-index:1;
}
.hero-badge{
  display:inline-block;padding:5px 14px;border-radius:99px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  font-size:13px;margin-bottom:18px;
}
.hero h1{font-size:42px;line-height:1.25;margin-bottom:18px;font-weight:800;}
.hero h1 em{color:#7fb0ff;font-style:normal;}
.hero-text p{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:26px;max-width:560px;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:560px;}
.hero-stats div{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  border-radius:10px;padding:12px 10px;text-align:center;
}
.hero-stats strong{display:block;font-size:19px;color:#7fb0ff;font-weight:800;}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.72);}

.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:24px;backdrop-filter:blur(8px);
}
.hero-card h3{font-size:16px;margin-bottom:14px;color:#fff;}
.quote-list li{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14px;
}
.quote-list li:last-child{border-bottom:0;}
.quote-list span{color:rgba(255,255,255,.75);}
.quote-list b{font-size:15px;}
.quote-list i{font-style:normal;font-size:13px;width:64px;text-align:right;}
.quote-list .up{color:#4ade80;}
.quote-list .down{color:#f87171;}
.quote-tip{font-size:12px;color:rgba(255,255,255,.5);margin:12px 0 0;}

/* =====================================================================
   特性卡片 / 分类卡片 / 账户卡片
   ===================================================================== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 22px;transition:all .25s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d7ff;}
.feature-icon{
  width:52px;height:52px;border-radius:14px;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;
}
.feature-card h3{font-size:17px;margin-bottom:8px;}
.feature-card p{color:var(--text-2);font-size:14px;margin:0;line-height:1.75;}

.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.cat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 12px;text-align:center;transition:all .25s;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d7ff;}
.cat-ico{font-size:28px;margin-bottom:10px;}
.cat-card h4{font-size:15px;margin-bottom:4px;}
.cat-card p{font-size:12.5px;color:var(--text-3);margin:0;}

.account-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;max-width:860px;margin:0 auto;}
.account-card{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:16px;padding:32px 28px;transition:all .25s;
}
.account-card.featured{border-color:var(--primary);box-shadow:0 10px 30px rgba(26,86,219,.12);}
.account-badge{
  position:absolute;top:-12px;right:24px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:99px;
}
.account-card h3{font-size:19px;margin-bottom:6px;}
.account-card h3 small{font-size:13px;color:var(--text-3);font-weight:400;}
.account-price{font-size:38px;font-weight:800;color:var(--primary);margin:10px 0 20px;}
.account-price small{font-size:14px;color:var(--text-3);font-weight:400;margin-left:6px;}
.account-list{margin-bottom:24px;}
.account-list li{
  padding:9px 0 9px 26px;position:relative;font-size:14px;color:var(--text-2);
  border-bottom:1px dashed var(--border);
}
.account-list li:last-child{border-bottom:0;}
.account-list li::before{
  content:"✓";position:absolute;left:0;top:9px;color:#22c55e;font-weight:700;
}

/* =====================================================================
   新闻
   ===================================================================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:block;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;transition:all .25s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d7ff;}
.news-cat{
  display:inline-block;background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;padding:2px 10px;border-radius:99px;margin-bottom:12px;
}
.news-card h3{font-size:16px;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{color:var(--text-2);font-size:13.5px;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;gap:16px;font-size:12.5px;color:var(--text-3);}

.news-layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start;}
.news-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.chip{
  padding:6px 15px;border-radius:99px;background:#fff;border:1px solid var(--border);
  font-size:13.5px;color:var(--text-2);
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;}

.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:flex;align-items:center;gap:16px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius);padding:22px;
  transition:all .25s;
}
.news-item:hover{border-color:#c7d7ff;box-shadow:var(--shadow);transform:translateX(3px);}
.news-item-main{flex:1;min-width:0;}
.news-item h3{font-size:16.5px;margin:0 0 8px;line-height:1.55;}
.news-item p{font-size:13.5px;color:var(--text-2);margin:0 0 10px;}
.news-arrow{color:var(--primary);font-size:20px;flex-shrink:0;}

.pagination{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:32px;}
.page-btn{
  padding:8px 14px;border:1px solid var(--border);border-radius:8px;
  background:#fff;font-size:14px;color:var(--text-2);
}
.page-btn:hover{border-color:var(--primary);color:var(--primary);}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;}

.news-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:90px;}
.side-box{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;
}
.side-box h3{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);}
.hot-list li{display:flex;gap:10px;padding:9px 0;font-size:14px;align-items:flex-start;}
.hot-list li a{flex:1;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-no{
  flex-shrink:0;width:20px;height:20px;border-radius:5px;background:#f3f4f6;
  color:var(--text-3);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.hot-no.top{background:var(--primary);color:#fff;}
.side-cta p{font-size:13.5px;color:var(--text-2);margin-bottom:14px;}
.rel-list li{padding:10px 0;border-bottom:1px dashed var(--border);}
.rel-list li:last-child{border-bottom:0;}
.rel-list li a{font-size:14px;line-height:1.55;display:block;}
.rel-list li small{color:var(--text-3);font-size:12px;}

/* =====================================================================
   内页 Hero / 面包屑
   ===================================================================== */
.page-hero{
  background:linear-gradient(135deg,#0f172a,#1a3c7d 70%,#1a56db);
  color:#fff;padding:56px 0 48px;text-align:center;
}
.page-hero.small{padding:44px 0 36px;}
.page-hero h1{font-size:30px;margin-bottom:10px;}
.page-hero p{color:rgba(255,255,255,.78);margin-bottom:16px;font-size:15px;}
.page-hero.small h1{font-size:24px;line-height:1.4;max-width:900px;margin:0 auto 12px;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.65);}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb span{margin:0 8px;opacity:.6;}

/* =====================================================================
   关于我们
   ===================================================================== */
.two-col{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start;}
.col-text p{color:var(--text-2);font-size:15px;line-height:1.9;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px;}
.stat-row div{
  background:var(--bg-soft);border-radius:10px;padding:16px 10px;text-align:center;
}
.stat-row strong{display:block;font-size:20px;color:var(--primary);font-weight:800;}
.stat-row span{font-size:12.5px;color:var(--text-3);}
.col-side{display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;
}
.side-card h3{font-size:16px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--text-2);margin:0;}
.side-card.warn{background:#fffbeb;border-color:#fde68a;}
.side-card.warn h3{color:#b45309;}
.side-card.warn p{color:#92400e;}

.license-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.license-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 18px;text-align:center;transition:all .25s;
}
.license-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.license-flag{font-size:32px;margin-bottom:10px;}
.license-card h3{font-size:18px;color:var(--primary);margin-bottom:6px;}
.license-full{font-size:13px;color:var(--text-2);margin-bottom:6px;}
.license-no{font-size:12.5px;color:var(--text-3);margin:0;}

.timeline{position:relative;padding-left:28px;max-width:820px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline li{position:relative;padding:0 0 28px 22px;}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;
  border-radius:50%;background:#fff;border:3px solid var(--primary);
}
.tl-year{
  display:inline-block;background:var(--primary-light);color:var(--primary);
  font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:99px;margin-bottom:6px;
}
.tl-body h4{font-size:16px;margin-bottom:4px;}
.tl-body p{font-size:14px;color:var(--text-2);margin:0;}

/* =====================================================================
   产品页
   ===================================================================== */
.product-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px;}
.tab{
  padding:9px 22px;border-radius:99px;border:1px solid var(--border);
  background:#fff;font-size:14.5px;color:var(--text-2);font-weight:500;transition:all .2s;
}
.tab:hover{border-color:var(--primary);color:var(--primary);}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff;}
.product-panel{display:none;}
.product-panel.active{display:block;}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--border);border-radius:var(--radius);background:#fff;}
.data-table{min-width:720px;font-size:14px;}
.data-table thead th{
  background:var(--bg-soft);padding:13px 16px;text-align:left;
  font-weight:600;color:var(--text-2);font-size:13.5px;white-space:nowrap;
  border-bottom:1px solid var(--border);
}
.data-table tbody td{padding:12px 16px;border-bottom:1px solid #f3f4f6;color:var(--text-2);}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table tbody tr:hover{background:#fafbff;}
.td-code{font-weight:700;color:var(--text);}
.td-spread{color:var(--primary);font-weight:600;}
.table-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.mobile-product-list{display:none;}

/* =====================================================================
   下载页
   ===================================================================== */
.platform-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:28px;margin-bottom:24px;
}
.platform-card.highlight{border-color:var(--primary);box-shadow:0 8px 26px rgba(26,86,219,.10);}
.platform-head{display:flex;align-items:center;gap:18px;margin-bottom:18px;flex-wrap:wrap;}
.platform-logo{
  width:60px;height:60px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),#4f8bff);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.platform-logo.app{background:linear-gradient(135deg,#0f172a,#334155);font-size:15px;}
.platform-head h3{font-size:20px;margin:0 0 4px;}
.platform-desc{font-size:14px;color:var(--text-2);margin:0;}
.platform-badge{
  margin-left:auto;background:#fef3c7;color:#b45309;font-size:12.5px;
  font-weight:700;padding:4px 12px;border-radius:99px;
}
.platform-features{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.platform-features span{
  background:var(--bg-soft);border-radius:8px;padding:6px 12px;
  font-size:13px;color:var(--text-2);
}
.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.dl-btn{
  display:flex;align-items:center;gap:12px;padding:14px 16px;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;transition:all .2s;
}
.dl-btn:hover{border-color:var(--primary);background:var(--primary-light);}
.dl-ico{font-size:22px;}
.dl-btn b{display:block;font-size:14.5px;color:var(--text);}
.dl-btn small{font-size:12px;color:var(--text-3);}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 20px;position:relative;
}
.step-no{
  display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;
  font-weight:700;font-size:14px;margin-bottom:14px;
}
.step h4{font-size:16px;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--text-2);margin:0;}

/* =====================================================================
   文章详情
   ===================================================================== */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start;}
.article-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:34px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  font-size:13px;color:var(--text-3);margin-bottom:22px;}
.article-summary{
  background:var(--bg-soft);border-left:3px solid var(--primary);
  border-radius:8px;padding:16px 20px;color:var(--text-2);
  font-size:14.5px;margin-bottom:26px;line-height:1.8;
}
.article-content{font-size:15.5px;line-height:1.95;color:#374151;}
.article-content p{margin-bottom:18px;}
.article-content h2,.article-content h3{margin:28px 0 14px;color:var(--text);}
.article-content h3{font-size:18px;}
.article-content img{border-radius:10px;margin:18px 0;}
.article-content ul,.article-content ol{padding-left:22px;margin-bottom:18px;list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:8px;}
.article-content blockquote{
  border-left:3px solid var(--primary);background:var(--bg-soft);
  padding:14px 18px;border-radius:8px;color:var(--text-2);margin:18px 0;
}
.article-content table{margin:18px 0;font-size:14px;}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;}

.article-nav{
  display:flex;justify-content:space-between;gap:16px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--border);
}
.art-nav-btn{
  flex:1;padding:14px 18px;border:1px solid var(--border);border-radius:10px;
  transition:all .2s;min-width:0;
}
.art-nav-btn:hover{border-color:var(--primary);background:var(--primary-light);}
.art-nav-btn.right{text-align:right;}
.art-nav-btn small{display:block;font-size:12px;color:var(--text-3);margin-bottom:4px;}
.art-nav-btn span{font-size:14px;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* =====================================================================
   联系我们
   ===================================================================== */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.contact-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 20px;text-align:center;transition:all .25s;display:block;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d7ff;}
.cc-ico{font-size:32px;margin-bottom:12px;}
.contact-card h3{font-size:16px;margin-bottom:8px;}
.contact-card p{font-size:14.5px;color:var(--primary);font-weight:600;
  word-break:break-all;margin-bottom:6px;}
.cc-addr{color:var(--text-2) !important;font-weight:400 !important;font-size:13.5px !important;}
.contact-card small{color:var(--text-3);font-size:12.5px;}

.contact-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:start;}
.contact-form-wrap{background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;}
.form-tip{color:var(--text-2);font-size:14px;margin-bottom:22px;}
.contact-side{display:flex;flex-direction:column;gap:20px;}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:14px;font-weight:600;
  margin-bottom:7px;color:var(--text);}
.form-group label em{color:#dc2626;margin-left:2px;}
.form-group input[type=text],
.form-group input[type=email],
.form-group input[type=password],
.form-group input[type=number],
.form-group select,
.form-group textarea{
  width:100%;padding:11px 14px;border:1px solid var(--border);
  border-radius:var(--radius-sm);font-size:14.5px;font-family:inherit;
  color:var(--text);background:#fff;transition:all .2s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.12);
}
.form-group textarea{resize:vertical;line-height:1.7;}
.form-help{display:block;font-size:12.5px;color:var(--text-3);margin-top:6px;}

.alert{border-radius:var(--radius-sm);padding:13px 18px;font-size:14px;margin-bottom:20px;}
.alert-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;}
.alert-err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;}

.info-list li{display:flex;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px;}
.info-list li:last-child{border-bottom:0;}
.info-list span{color:var(--text-2);}
.info-list b{color:var(--primary);}

/* =====================================================================
   CTA 条
   ===================================================================== */
.cta-band{background:linear-gradient(135deg,#1a56db,#1240a8);color:#fff;padding:52px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.cta-inner h2{font-size:24px;margin-bottom:6px;}
.cta-inner p{color:rgba(255,255,255,.82);margin:0;font-size:14.5px;}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;}

/* =====================================================================
   底部
   ===================================================================== */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.4fr;
  gap:44px;padding:56px 20px 34px;}
.footer-logo{display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-about p{font-size:13.8px;color:var(--text-2);line-height:1.85;margin-bottom:16px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{background:var(--primary-light);color:var(--primary);
  font-size:12px;padding:3px 11px;border-radius:5px;}
.footer-col h4{font-size:15.5px;margin-bottom:16px;color:var(--text);}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:9px;font-size:13.8px;color:var(--text-2);
  margin-bottom:12px;line-height:1.65;align-items:flex-start;}
.footer-contact .ico{flex-shrink:0;}
.admin-entry{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:13px;color:#6b7280;padding:7px 15px;
  border:1px solid var(--border);border-radius:8px;transition:all .2s;
}
.admin-entry:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}

.footer-bottom{border-top:1px solid #f1f5f9;padding:22px 0;text-align:center;}
.footer-bottom p{font-size:13px;color:var(--text-3);margin:0 0 5px;}
.footer-bottom a{color:var(--text-3);}
.risk-warning{font-size:12px !important;color:#c4c9d2 !important;line-height:1.7;}

/* =====================================================================
   移动端底部固定栏
   ===================================================================== */
.mobile-bottom-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1200;
  background:#fff;border-top:1px solid var(--border);
  padding:9px 12px calc(9px + env(safe-area-inset-bottom,0px));
  gap:10px;box-shadow:0 -3px 14px rgba(15,23,42,.08);
}
.mobile-btn{
  flex:1;display:flex;align-items:center;justify-content:center;
  height:44px;border-radius:10px;font-size:15px;font-weight:600;
}
.mobile-btn-primary{background:var(--primary);color:#fff;}
.mobile-btn-primary:active{background:var(--primary-dark);}
.mobile-btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary);}

/* =====================================================================
   后台样式
   ===================================================================== */
.admin-login-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f172a,#1a3c7d 60%,#1a56db);
  padding:24px;
}
.admin-login-card{
  width:100%;max-width:400px;background:#fff;border-radius:16px;
  padding:38px 32px;box-shadow:0 20px 50px rgba(0,0,0,.25);
}
.admin-login-logo{text-align:center;margin-bottom:26px;}
.admin-login-logo .logo-mark{width:52px;height:52px;font-size:20px;
  border-radius:14px;margin-bottom:14px;}
.admin-login-logo h1{font-size:20px;margin-bottom:4px;}
.admin-login-logo p{font-size:13.5px;color:var(--text-3);margin:0;}
.admin-login-form .form-group{margin-bottom:16px;}
.admin-login-back{text-align:center;font-size:13.5px;color:var(--text-3);margin:22px 0 0;}

.admin-body{background:#f1f5f9;min-height:100vh;}
.admin-wrap{display:flex;min-height:100vh;}
.admin-side{
  width:230px;flex-shrink:0;background:#0f172a;color:#cbd5e1;
  display:flex;flex-direction:column;padding:20px 0;position:sticky;top:0;height:100vh;
}
.admin-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;
  font-size:15.5px;padding:0 20px 22px;border-bottom:1px solid rgba(255,255,255,.08);
}
.admin-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px;}
.admin-nav a{
  display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:9px;
  font-size:14.5px;color:#cbd5e1;transition:all .2s;
}
.admin-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.admin-nav a.active{background:var(--primary);color:#fff;font-weight:600;}
.admin-nav a.logout{margin-top:8px;color:#fca5a5;}
.admin-nav a.logout:hover{background:rgba(239,68,68,.16);color:#fecaca;}
.admin-user{
  padding:16px 20px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#94a3b8;
}
.admin-user b{color:#fff;}

.admin-main{flex:1;min-width:0;display:flex;flex-direction:column;}
.admin-topbar{
  display:flex;align-items:center;gap:16px;background:#fff;
  padding:14px 26px;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
}
.admin-menu-btn{
  display:none;width:38px;height:38px;border:1px solid var(--border);
  border-radius:8px;background:#fff;font-size:17px;
}
.admin-page-title{font-size:18px;margin:0;flex:1;}
.admin-time{font-size:13px;color:var(--text-3);}
.admin-content{padding:24px 26px 40px;flex:1;}

.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px;}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;display:flex;align-items:center;gap:14px;
}
.stat-ico{
  width:46px;height:46px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.stat-ico.blue{background:#e0ecff;}
.stat-ico.green{background:#dcfce7;}
.stat-ico.orange{background:#ffedd5;}
.stat-ico.purple{background:#ede9fe;}
.stat-card strong{display:block;font-size:22px;font-weight:800;color:var(--text);line-height:1.2;}
.stat-card span{font-size:13px;color:var(--text-3);}

.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;margin-bottom:20px;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border);
  flex-wrap:wrap;
}
.panel-head h2{font-size:16.5px;margin:0;}

.admin-table{font-size:14px;}
.admin-table thead th{
  background:var(--bg-soft);padding:11px 14px;text-align:left;
  font-weight:600;font-size:13.5px;color:var(--text-2);
  border-bottom:1px solid var(--border);white-space:nowrap;
}
.admin-table tbody td{padding:11px 14px;border-bottom:1px solid #f3f4f6;color:var(--text-2);}
.admin-table tbody tr:last-child td{border-bottom:0;}
.admin-table tbody tr:hover{background:#fafbff;}
.td-actions{display:flex;gap:8px;align-items:center;}
.td-msg{max-width:320px;font-size:13.5px;line-height:1.6;}
.inline-form{display:inline;}

.admin-form .form-group{margin-bottom:18px;}
.admin-form .form-group label{display:block;font-size:14px;font-weight:600;
  margin-bottom:7px;color:var(--text);}
.admin-form input[type=text],
.admin-form input[type=email],
.admin-form input[type=password],
.admin-form select,
.admin-form textarea{
  width:100%;padding:11px 14px;border:1px solid var(--border);
  border-radius:var(--radius-sm);font-size:14.5px;font-family:inherit;
  color:var(--text);background:#fff;
}
.admin-form textarea{resize:vertical;line-height:1.7;}
.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.12);
}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;}
.form-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px;}
.form-actions{display:flex;gap:12px;margin-top:10px;flex-wrap:wrap;}

/* =====================================================================
   响应式
   ===================================================================== */
@media (max-width:1100px){
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(3,1fr);}
  .license-grid{grid-template-columns:repeat(2,1fr);}
  .download-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
  .stat-cards{grid-template-columns:repeat(2,1fr);}
  .panel-grid{grid-template-columns:1fr;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:34px;}
  .news-layout,.article-layout{grid-template-columns:1fr;}
  .news-side{position:static;}
  .two-col{grid-template-columns:1fr;gap:30px;}
  .contact-layout{grid-template-columns:1fr;}
  .form-grid-3{grid-template-columns:1fr;}
}

@media (max-width:900px){
  .admin-side{
    position:fixed;left:0;top:0;bottom:0;z-index:200;
    transform:translateX(-100%);transition:transform .25s;
  }
  .admin-side.open{transform:translateX(0);}
  .admin-menu-btn{display:flex;align-items:center;justify-content:center;}
}

@media (max-width:768px){
  :root{--header-h:56px;}

  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .section-title{font-size:22px;}
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:27px;}
  .hero-text p{font-size:14.5px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-btns .btn{flex:1;min-width:0;}
  .hero-card{padding:18px;}

  /* 导航折叠 */
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:10px 14px 16px;
    box-shadow:0 10px 24px rgba(15,23,42,.10);
    border-top:1px solid var(--border);
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;border-radius:8px;}
  .header-inner{position:relative;}
  .header-actions{display:none;}  /* 移动端改用底部固定栏 */
  .hamburger{display:flex;}
  .header-qq{
    justify-content:center;font-size:12px;padding:0 16px 8px;flex-wrap:wrap;
  }
  .header-qq-sep{display:none;}

  .feature-grid,.news-grid,.account-grid,.cat-grid,
  .license-grid,.download-grid,.steps,.contact-grid,
  .stat-cards,.form-grid-2,.form-grid-3{grid-template-columns:1fr;}

  .stat-row{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr;}

  /* 表格转卡片 */
  .table-wrap{border:0;border-radius:0;background:transparent;overflow:visible;}
  .data-table{display:none;}
  .mobile-product-list{display:flex;flex-direction:column;gap:12px;}
  .mp-item{
    background:#fff;border:1px solid var(--border);
    border-radius:var(--radius);padding:14px 16px;
  }
  .mp-head{display:flex;justify-content:space-between;align-items:center;
    padding-bottom:9px;border-bottom:1px dashed var(--border);margin-bottom:9px;}
  .mp-head b{font-size:15.5px;color:var(--text);}
  .mp-spread{color:var(--primary);font-weight:600;font-size:14px;}
  .mp-body{display:grid;grid-template-columns:1fr 1fr;gap:5px 12px;
    font-size:13px;color:var(--text-2);}

  /* 后台表格横向滚动 */
  .admin-table{display:table;}
  .panel .table-wrap{overflow-x:auto;border:1px solid var(--border);
    border-radius:var(--radius);background:#fff;}

  /* 移动端底部固定栏 */
  .mobile-bottom-bar{display:flex;}
  .site-main{padding-bottom:76px;}

  .article-main{padding:22px 18px;}
  .article-content{font-size:15px;}
  .article-nav{flex-direction:column;}
  .art-nav-btn.right{text-align:left;}

  .contact-form-wrap{padding:22px 18px;}
  .cta-inner{flex-direction:column;text-align:center;}
  .cta-btns{width:100%;}
  .cta-btns .btn{flex:1;}

  .footer-grid{grid-template-columns:1fr;gap:30px;padding:36px 16px 24px;}
  .platform-head{gap:14px;}
  .platform-badge{margin-left:0;}

  .admin-content{padding:16px;}
  .admin-topbar{padding:12px 16px;}
  .admin-time{display:none;}
}

@media (max-width:420px){
  .hero h1{font-size:23px;}
  .section-title{font-size:20px;}
  .mp-body{grid-template-columns:1fr;}
  .logo-text{font-size:15px;}
}
/* =====================================================================
   新增：高端大气模块样式
   ===================================================================== */

/* 深色数据统计区 */
.section-dark { background: linear-gradient(135deg, #0f172a, #1a3c7d); color: #fff; padding: 50px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-box { padding: 20px; }
.stat-num { font-size: 36px; font-weight: 800; color: #7fb0ff; margin-bottom: 6px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,.7); }

/* 奖项网格 */
.award-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.award-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 20px; text-align: center; transition: all .25s; }
.award-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #c7d7ff; }
.award-icon { font-size: 38px; margin-bottom: 14px; }
.award-card h4 { font-size: 16px; margin-bottom: 6px; }
.award-card p { font-size: 13px; color: var(--text-3); margin: 0; }

/* 用户评价 */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; position: relative; }
.testimonial-card p { font-size: 14.5px; color: var(--text-2); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.t-user { display: flex; align-items: center; gap: 12px; }
.t-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.t-user strong { display: block; font-size: 14.5px; }
.t-user small { font-size: 12.5px; color: var(--text-3); }

/* 企业价值观 */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 22px; text-align: center; transition: all .25s; }
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.value-icon { font-size: 32px; margin-bottom: 14px; }
.value-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.value-card p { font-size: 13.5px; color: var(--text-2); margin: 0; line-height: 1.7; }

/* 全球办公室 */
.office-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.office-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; transition: all .25s; }
.office-card:hover { border-color: #c7d7ff; box-shadow: var(--shadow); }
.office-card h4 { font-size: 16px; margin-bottom: 8px; }
.office-card p { font-size: 13.5px; color: var(--text-2); margin: 0; line-height: 1.7; }

/* 常见问题 FAQ */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: all .25s; }
.faq-card:hover { border-color: #c7d7ff; }
.faq-card h4 { font-size: 16px; margin-bottom: 8px; color: var(--primary); }
.faq-card p { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.75; }

/* 系统要求 */
.req-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.req-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; }
.req-card h4 { font-size: 16px; margin-bottom: 8px; }
.req-card p { font-size: 13.5px; color: var(--text-2); margin: 0; line-height: 1.7; }

/* 市场快讯 */
.market-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.market-list li:last-child { border-bottom: 0; }
.market-list span { color: var(--text-2); }
.market-list b.up { color: #22c55e; }
.market-list b.down { color: #ef4444; }

/* 响应式补充 */
@media (max-width: 1100px) {
  .stats-grid, .award-grid, .testimonial-grid, .value-grid, .office-grid, .req-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .stats-grid, .award-grid, .testimonial-grid, .value-grid, .office-grid, .req-grid { grid-template-columns: 1fr; }
  .stat-num { font-size: 28px; }
}