/* ===== 企业官网 前台样式 浅蓝·白 科技风 v2 ===== */
:root{
  --primary:#2f6bff; --primary2:#3a8bff; --primary-dark:#1e56e8;
  --light:#eef5ff; --light2:#f5f9ff; --line:#e3ecfa;
  --text:#2b3446; --text2:#6b768c; --text3:#98a2b8;
  --radius:12px; --shadow:0 4px 20px rgba(47,107,255,.08); --shadow-lg:0 12px 40px rgba(47,107,255,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:#fff;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:960px}
.empty{text-align:center;color:var(--text3);padding:60px 0;grid-column:1/-1}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:10px;font-weight:500;cursor:pointer;transition:.25s;border:1px solid transparent;font-family:inherit}
.btn svg{flex-shrink:0}
.btn-primary{background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff;box-shadow:0 4px 14px rgba(47,107,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(47,107,255,.42)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-outline:hover{background:var(--light)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.15)}
.btn-sm{height:36px;padding:0 18px;font-size:13px}
.btn-lg{height:48px;padding:0 32px;font-size:15.5px}
.btn-block{width:100%}
/* 裸按钮统一美化（未加 class 的 button / 提交按钮） */
button, input[type=submit], input[type=button]{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:10px 24px;font-size:14px;font-weight:500;cursor:pointer;color:#fff;font-family:inherit;background:linear-gradient(135deg,var(--primary2),var(--primary));box-shadow:0 4px 14px rgba(47,107,255,.3);transition:.25s}
button:hover, input[type=submit]:hover, input[type=button]:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(47,107,255,.4)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
.site-header.scrolled{box-shadow:0 4px 18px rgba(47,107,255,.08)}
.header-inner{height:72px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:9px;flex-shrink:0}
.logo-badge{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary2),var(--primary));position:relative;box-shadow:0 4px 12px rgba(47,107,255,.35)}
.logo-badge::after{content:"";position:absolute;inset:9px;border-radius:5px;border:2.5px solid #fff;border-right-color:transparent;transform:rotate(45deg)}
.logo-text{font-size:21px;font-weight:700;letter-spacing:1px;color:#1d2b4f}
.nav{display:flex;gap:2px;flex:1;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:8px 13px;border-radius:8px;font-size:15px;color:var(--text2);transition:.2s;position:relative;white-space:nowrap}
.nav a:hover{color:var(--primary)}
.nav a.active{color:var(--primary);font-weight:600}
.nav a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--primary2),var(--primary))}
.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-phone{font-size:15px;font-weight:600;color:#1d2b4f}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;box-shadow:none}
.nav-toggle:hover{transform:none;box-shadow:none}
.nav-toggle span{width:24px;height:2.5px;background:var(--text);border-radius:2px;transition:.3s}

/* ---------- 轮播（左文右图） ---------- */
.hero{position:relative;background:linear-gradient(180deg,#eef4ff 0%,#f8fbff 60%,#ffffff 100%);overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(58,139,255,.10);top:-220px;right:-120px}
.hero-bg::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;border:2px dashed rgba(58,139,255,.18);bottom:-140px;left:-90px}
.hero-slider{position:relative;z-index:1;height:540px}
.hero-slide{display:flex;padding:56px 0 90px;position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .55s ease,visibility .55s ease;pointer-events:none}
.hero-slide.active{opacity:1;visibility:visible;pointer-events:auto}
@media(max-width:1024px){.hero-slider{height:500px}}
@media(max-width:768px){.hero-slider{height:620px}.hero-slide{padding:36px 0 70px}}
@media(max-width:480px){.hero-slider{height:560px}}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #ffd9c9;color:#ff6a3d;font-size:13px;padding:5px 15px 5px 6px;border-radius:20px;box-shadow:0 3px 12px rgba(255,106,61,.14);margin-bottom:20px}
.hero-badge b{background:linear-gradient(135deg,#ff7a45,#ff4d4f);color:#fff;font-size:11px;font-weight:600;padding:2px 8px;border-radius:12px;letter-spacing:.5px}
.hero-content h1{font-size:44px;line-height:1.3;font-weight:700;color:#1d2b4f;letter-spacing:1px}
.hero-content h1 .grad{background:linear-gradient(90deg,#2f6bff 10%,#7a5cff 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-content>p{font-size:16px;color:var(--text2);margin:20px 0 30px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-ministats{display:flex;gap:40px;margin-top:42px;flex-wrap:wrap}
.hms b{font-size:30px;color:var(--primary);font-weight:700;font-family:DINAlternate,"Arial Narrow",sans-serif;line-height:1.2}
.hms b i{font-style:normal;font-size:15px;margin-left:2px;color:var(--primary)}
.hms>span{display:block;color:var(--text3);font-size:13px;margin-top:3px}
.hero-media img{border-radius:22px;box-shadow:0 26px 60px rgba(31,86,232,.20);width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-dots{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:5;display:flex;gap:8px}
.hero-dots i{width:26px;height:4px;border-radius:2px;background:rgba(47,107,255,.25);cursor:pointer;transition:.3s}
.hero-dots i.active{background:var(--primary);width:40px}

/* ---------- 信任条 ---------- */
.trust-wrap{position:relative;z-index:2;margin-top:-52px}
.trust-bar{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 14px 40px rgba(31,86,232,.10);display:grid;grid-template-columns:repeat(5,1fr);padding:22px 10px}
.trust-item{display:flex;align-items:center;gap:13px;padding:6px 20px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:none}
.t-ico{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.t-ico1{background:linear-gradient(135deg,#ff7a9c,#f43f5e);color:#fff}
.t-ico2{background:linear-gradient(135deg,#3a8bff,#2f6bff);color:#fff}
.t-ico3{background:linear-gradient(135deg,#ff8fb3,#ec4899);color:#fff}
.t-ico4{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff}
.t-ico5{background:linear-gradient(135deg,#fb923c,#f97316);color:#fff}
.t-txt b{display:block;font-size:15px;color:#1d2b4f}
.t-txt span{font-size:12.5px;color:var(--text3)}

/* ---------- 区块 ---------- */
.section{padding:74px 0}
.section-soft{background:linear-gradient(180deg,#f5f9ff,#fff)}
.sec-head{text-align:center;margin-bottom:42px}
.sec-head h2{font-size:32px;font-weight:700;color:#1d2b4f;letter-spacing:1px}
.sec-head p{color:var(--text2);margin-top:10px;font-size:15px}
.sec-head h2::after{content:"";display:block;width:46px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary2),var(--primary));margin:14px auto 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text2);margin-bottom:18px}
.breadcrumb a{color:var(--text2);transition:.2s}
.breadcrumb a:hover{color:var(--primary)}
.bc-sep{color:#c9d2e6;font-size:12px}
.bc-cur{color:var(--primary)}
.sec-more{text-align:center;margin-top:40px}
.sec-more .btn{height:46px;padding:0 38px;font-size:15px;border-radius:23px}

/* ---------- tabs ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tabs-center{justify-content:center}
.tab{padding:9px 22px;border-radius:22px;background:#fff;border:1px solid var(--line);color:var(--text2);font-size:14px;cursor:pointer;transition:.25s;box-shadow:none;font-weight:400}
.tab:hover{color:var(--primary);border-color:var(--primary);transform:none;box-shadow:none}
.tab.active{background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff;border-color:transparent;box-shadow:0 4px 14px rgba(47,107,255,.3)}
.tab.active em{color:rgba(255,255,255,.8)}
.tab-more{color:var(--primary);font-size:14px}
#featureTabs{position:relative;margin:8px 0 30px}
#featureTabs .tab-more{position:absolute;right:0;top:50%;transform:translateY(-50%)}

/* ---------- 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tab-pane{display:none}
.tab-pane.active{display:grid}

/* ---------- 功能卡片 ---------- */
.func-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;display:block}
.func-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#c9dcff}
.func-img{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--light2)}
.func-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.func-card:hover .func-img img{transform:scale(1.06)}
.hot-badge{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#ff7a45,#ff4d4f);color:#fff;font-size:12px;padding:2px 9px;border-radius:10px}
.func-body{padding:16px 18px 18px}
.func-body h3{font-size:17px;color:#1d2b4f}
.func-body p{font-size:13px;color:var(--text2);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 优势（扁平化图标） ---------- */
.adv-card{background:#fff;border-radius:var(--radius);padding:36px 26px;text-align:center;border:1px solid var(--line);transition:.3s}
.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.adv-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:flex;align-items:center;justify-content:center}
.adv-ico1{background:linear-gradient(135deg,#e0edff,#cfe1ff);color:#2f6bff}
.adv-ico2{background:linear-gradient(135deg,#e3f6ff,#cdebff);color:#0ea5e9}
.adv-ico3{background:linear-gradient(135deg,#e5f9f0,#c9f2e0);color:#12a35c}
.adv-ico4{background:linear-gradient(135deg,#efeaff,#ddd3ff);color:#7c3aed}
.adv-card h3{font-size:18px;color:#1d2b4f}
.adv-card p{font-size:13px;color:var(--text2);margin-top:10px;line-height:1.8}

/* ---------- 案例 ---------- */
.case-marquee{overflow:hidden;position:relative}
.case-track{display:flex;gap:22px;animation:caseScroll 30s linear infinite;will-change:transform;width:max-content}
.case-marquee:hover .case-track{animation-play-state:paused}
@keyframes caseScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:block;min-width:0}
.case-track .case-card{width:400px;flex-shrink:0}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-img{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--light2)}
.case-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover .case-img img{transform:scale(1.06)}
.case-tag{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.92);color:var(--primary);font-size:12px;padding:3px 10px;border-radius:10px;font-weight:500}
.case-body{padding:18px 20px 20px}
.case-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text3);margin-bottom:8px}
.case-body h3{font-size:16.5px;color:#1d2b4f;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-body p{font-size:13px;color:var(--text2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.load-more{display:inline-block;margin-top:12px;font-size:13px;color:var(--primary);letter-spacing:.5px}

/* ---------- 行业方案 ---------- */
.solution-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}
.solution-head h2{font-size:26px;color:#1d2b4f}
.solution-more{color:var(--primary);font-size:14px;white-space:nowrap}
.solution-more i{font-style:normal;display:inline-block;margin-left:4px;transition:.25s}
.solution-more:hover i{transform:translateX(4px)}
.solution-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.solution-tag{display:inline-flex;align-items:center;height:32px;padding:0 18px;border-radius:16px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:13px;transition:.25s}
.solution-tag:hover{border-color:var(--primary);color:var(--primary)}
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.solution-pic{display:block}
.solution-pic-img{border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.solution-pic-img img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .45s}
.solution-pic:hover .solution-pic-img img{transform:scale(1.05)}
.solution-pic h3{margin-top:12px;font-size:15px;color:#1d2b4f;font-weight:600}
/* 方案详情页 */
.solution-layout{display:grid;grid-template-columns:230px 1fr;gap:26px;align-items:start}
.solution-layout.no-toc{grid-template-columns:1fr}
.sol-card h2[id]{scroll-margin-top:90px}
.sol-toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 12px;position:sticky;top:96px}
.sol-toc-head{font-weight:600;color:#1d2b4f;font-size:15px;margin-bottom:8px;padding:0 8px 8px;border-bottom:1px dashed var(--line)}
.sol-toc a{display:block;font-size:13.5px;color:var(--text2);padding:8px 10px;border-radius:8px;border-left:2px solid transparent;transition:.2s}
.sol-toc a:hover{color:var(--primary);background:var(--light)}
.sol-toc a.active{color:var(--primary);background:var(--light);border-left-color:var(--primary)}
.sol-main{min-width:0}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 36px}
.sol-rel{margin-top:32px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.rel-img img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.rel-body{padding:14px 16px 16px}
.rel-body h3{font-size:15px;color:#1d2b4f;margin-bottom:6px}
.rel-body p{font-size:12.5px;color:var(--text2);line-height:1.7;height:42px;overflow:hidden}
.rel-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-size:12.5px}
.rel-price{color:#f43f5e;font-weight:600;font-size:14px}
.rel-from{color:var(--text2)}
@media (max-width:768px){
  .solution-layout{grid-template-columns:1fr}
  .sol-toc{position:static;display:flex;gap:6px;overflow-x:auto;padding:12px}
  .sol-toc-head{display:none}
  .sol-toc a{white-space:nowrap;border:1px solid var(--line)}
  .sol-card{padding:20px 16px}
  .rel-grid{grid-template-columns:1fr}
}

/* ---------- 新闻（一行 2 个） ---------- */
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.news-item{display:flex;flex-direction:row;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;min-width:0}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c9dcff}
.news-thumb{width:38%;min-height:150px;overflow:hidden;background:var(--light2);flex-shrink:0}
.news-thumb img{aspect-ratio:1/1}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:16px 20px 20px;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text3)}
.news-meta .tag{background:var(--light);color:var(--primary);padding:2px 10px;border-radius:10px;font-weight:500}
.news-body h3{font-size:16.5px;color:#1d2b4f;margin:8px 0 6px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover h3{color:var(--primary)}
.news-body p{font-size:13.5px;color:var(--text2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.mini-search{display:flex}
.mini-search input{height:38px;border:1px solid var(--line);border-right:none;border-radius:8px 0 0 8px;padding:0 14px;width:200px;outline:none;font-size:13px}
.mini-search input:focus{border-color:var(--primary)}
.mini-search button{height:38px;padding:0 16px;border:none;background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff;border-radius:0 8px 8px 0;cursor:pointer;font-size:13px;box-shadow:none}
.search-note{font-size:13px;color:var(--text2);margin-bottom:14px}
.search-note a{color:var(--primary)}

/* ---------- 合作伙伴（双行交错无限滚动） ---------- */
.partner-full{width:100%}
.partner-rows{display:flex;flex-direction:column;gap:16px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 2.5%,#000 97.5%,transparent);mask-image:linear-gradient(90deg,transparent,#000 2.5%,#000 97.5%,transparent)}
.partner-row{overflow:hidden}
.partner-track{display:flex;gap:16px;width:max-content;will-change:transform;animation:pm-left 36s linear infinite}
.partner-track.rev{animation-name:pm-right}
.partner-rows:hover .partner-track{animation-play-state:paused}
@keyframes pm-left{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
@keyframes pm-right{from{transform:translate3d(-50%,0,0)}to{transform:translate3d(0,0,0)}}
.partner-item{background:#fff;border:1px solid var(--line);border-radius:12px;height:88px;width:200px;flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:0;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.partner-item:hover{border-color:#c9dcff;box-shadow:var(--shadow)}
.partner-item img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,#2f6bff 0%,#3a8bff 55%,#54a9ff 100%);padding:80px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.08);top:-200px;right:-100px}
.cta::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.06);bottom:-150px;left:-80px}
.cta h2{font-size:30px;letter-spacing:1px}
.cta p{opacity:.9;margin:14px 0 30px;font-size:15px}
.cta .btn{position:relative;z-index:1}

/* ---------- 页头横幅（内页） ---------- */
.page-hero{background:linear-gradient(120deg,#2f6bff 0%,#3a8bff 55%,#54a9ff 100%);color:#fff;padding:66px 0;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(255,255,255,.09);top:-190px;right:6%}
.page-hero::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07);bottom:-130px;left:12%}
.page-hero h1{font-size:32px;letter-spacing:2px;position:relative;z-index:1}
.page-hero p{opacity:.88;margin-top:10px;font-size:15px;max-width:640px;position:relative;z-index:1}
.page-hero .btn{margin-top:22px;position:relative;z-index:1}

/* ---------- 帮助中心 ---------- */
.help-layout{display:grid;grid-template-columns:250px 1fr;gap:30px;align-items:start}
.side-nav{position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.side-group{margin-bottom:10px}
.side-title{font-size:13px;color:var(--text3);padding:8px 12px;font-weight:600}
.side-link{display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--text2);transition:.2s;border-left:3px solid transparent}
.side-link:hover{background:var(--light2);color:var(--primary)}
.side-link.active{background:var(--light);color:var(--primary);font-weight:600;border-left-color:var(--primary)}
.side-cat{display:flex;justify-content:space-between;align-items:center;font-weight:500;color:var(--text)}
.side-cat .cnt{font-size:12px;color:var(--text3);background:var(--light2);border-radius:10px;padding:1px 8px}
.side-link.active .cnt{background:#fff}
.side-tip{margin-top:14px;font-size:12.5px;color:var(--text3);background:var(--light2);border-radius:8px;padding:12px;line-height:1.9}
.help-search{display:flex;gap:10px;margin-bottom:18px}
.help-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:8px;padding:0 16px;font-size:14px;outline:none}
.help-search input:focus{border-color:var(--primary)}
.help-search button{height:44px;padding:0 22px;border-radius:8px}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;transition:.25s}
.faq-item:hover{border-color:#c9dcff;box-shadow:var(--shadow)}
.faq-q{font-size:15px;font-weight:600;color:#1d2b4f;line-height:1.6}
.faq-q .faq-no{color:var(--primary);margin-right:6px}
.faq-q a:hover{color:var(--primary)}
.faq-a{font-size:13px;color:var(--text2);margin-top:10px;line-height:1.8}
.faq-more{display:block;margin-top:8px;color:var(--primary);font-size:13px}

/* ---------- 详情 ---------- */
.detail-layout{display:grid;grid-template-columns:250px 1fr;gap:30px;align-items:start}
.detail-main{min-width:0}
.detail-head{display:flex;gap:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:26px}
.detail-img{flex:0 0 380px;border-radius:10px;overflow:hidden;background:var(--light2)}
.detail-img img{width:100%;height:100%;object-fit:cover}
.detail-info h1{font-size:26px;color:#1d2b4f}
.detail-info p{color:var(--text2);margin:14px 0 22px;font-size:14.5px}
.detail-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px}
.detail-actions .btn{min-width:132px;height:46px;padding:0 30px;font-size:15px;border-radius:12px}
.detail-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;margin-bottom:26px}
.invite-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;background:linear-gradient(90deg,#eef4ff,#f6faff);border:1px solid #dbe7ff;border-radius:var(--radius);padding:16px 24px;margin-bottom:26px}
.invite-text{font-size:15px;font-weight:600;color:#1d2b4f;white-space:nowrap}
.invite-pills{display:flex;flex-wrap:wrap;gap:10px}
.invite-pill{display:inline-flex;align-items:center;height:36px;padding:0 20px;border-radius:18px;background:#fff;border:1px solid #c9dcff;color:var(--primary);font-size:13.5px;transition:.25s}
.invite-pill:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:0 6px 14px rgba(47,107,255,.25)}
.block-title{font-size:19px;color:#1d2b4f;margin-bottom:18px;padding-left:13px;position:relative}
.block-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--primary2),var(--primary))}
.rel-link{display:block;padding:11px 4px;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text2);transition:.2s}
.rel-link:hover{color:var(--primary);padding-left:10px}
.crumb{font-size:13.5px;color:var(--text3);margin-bottom:22px}
.crumb a:hover{color:var(--primary)}
.article-title{font-size:25px;color:#1d2b4f;text-align:center;line-height:1.5}
.article-meta{text-align:center;font-size:13px;color:var(--text3);margin:14px 0 26px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.prev-next{display:flex;justify-content:space-between;gap:16px;font-size:13.5px;color:var(--text2);margin-top:8px;flex-wrap:wrap}
.prev-next a{color:var(--primary)}
.prev-next a:hover{text-decoration:underline}

/* ---------- 富文本 ---------- */
.rich{font-size:15px;color:#3c465c;line-height:2}
.rich p{margin-bottom:14px}
.rich img{max-width:100%;border-radius:10px;margin:12px auto}
.rich h1,.rich h2,.rich h3,.rich h4{color:#1d2b4f;margin:20px 0 12px;line-height:1.5}
.rich h3{font-size:19px}.rich h4{font-size:17px}
.rich ul,.rich ol{padding-left:22px;margin-bottom:14px}
.rich ul li{list-style:disc}.rich ol li{list-style:decimal}
.rich blockquote{background:var(--light2);border-left:3px solid var(--primary);padding:12px 16px;border-radius:0 8px 8px 0;color:var(--text2);margin-bottom:14px}
.rich a{color:var(--primary)}
.about-content h3{font-size:22px}

/* ---------- 价格 ---------- */
.plan-grid{display:grid;gap:24px}
.plan-grid.plan-grid1{grid-template-columns:1fr;max-width:520px;margin-left:auto;margin-right:auto}
.plan-grid.plan-grid2{grid-template-columns:repeat(2,1fr);max-width:820px;margin-left:auto;margin-right:auto}
.plan-grid.plan-grid3{grid-template-columns:repeat(3,1fr)}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 30px;position:relative;transition:.3s;text-align:center}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plan-card.recommend{border:2px solid var(--primary);box-shadow:var(--shadow-lg);background:linear-gradient(180deg,#f7fbff,#fff)}
.rec-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#ff7a45,#ff4d4f);color:#fff;font-size:12.5px;padding:4px 18px;border-radius:12px;box-shadow:0 4px 12px rgba(255,77,79,.35)}
.plan-card h3{font-size:20px;color:#1d2b4f}
.plan-sub{font-size:13px;color:var(--text3);margin-top:6px}
.plan-price{margin:20px 0 6px}
.plan-price b{font-size:40px;color:var(--primary);font-weight:700;font-family:DINAlternate,"Arial Narrow",sans-serif}
.plan-price span{font-size:13px;color:var(--text3);margin-left:6px}
.plan-feats{text-align:left;margin:18px 0 26px;min-height:150px}
.plan-feats li{font-size:13.5px;color:var(--text2);padding:7px 0 7px 24px;position:relative;border-bottom:1px dashed var(--line)}
.plan-feats li::before{content:"✓";position:absolute;left:2px;color:var(--primary);font-weight:700}
.pricing-note{max-width:640px;margin:36px auto 0;text-align:center;font-size:13px;color:var(--text3);line-height:2.2}

/* ---------- 联系 ---------- */
.contact-layout{display:grid;grid-template-columns:400px 1fr;gap:30px;align-items:start}
.contact-info{background:linear-gradient(160deg,#2f6bff,#3a8bff);color:#fff;border-radius:16px;padding:36px 32px}
.contact-info h3{font-size:20px;margin-bottom:24px}
.ci-line{display:flex;gap:12px;align-items:center;font-size:14.5px;margin-bottom:16px;opacity:.95}
.ci-line .ci-ico{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.ci-tip{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.25);font-size:13px;opacity:.85;line-height:2}
.contact-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px}
.contact-panel h3{font-size:19px;color:#1d2b4f;margin-bottom:18px}
.cp-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cp-item:last-child{border-bottom:none}
.cp-item .t-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cp-item b{display:block;font-size:15px;color:#1d2b4f}
.cp-item span{font-size:13px;color:var(--text2)}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);background:linear-gradient(135deg,#eaf3ff,#f6faff);border-radius:16px;padding:30px 0;margin-top:34px;border:1px solid var(--line)}
.about-stats .stat-item b{font-size:30px}
.stat-item{text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-item b{font-size:32px;color:var(--primary);font-weight:700;font-family:DINAlternate,"Arial Narrow",sans-serif}
.stat-item b i{font-style:normal;font-size:15px;margin-left:2px}
.stat-item span{display:block;color:var(--text2);font-size:14px;margin-top:2px}

/* ---------- 分页 ---------- */
.pager-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:40px}
.pager-info{font-size:13px;color:var(--text2)}
.pg-per{height:32px;border:1px solid var(--line);border-radius:8px;padding:0 6px;font-size:13px;color:var(--text);background:#fff;margin:0 4px}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap}
.pg-jump{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text2)}
.pg-jump input{width:56px;height:38px;border:1px solid var(--line);border-radius:8px;text-align:center;font-size:13px;color:var(--text)}
.pg-go{height:38px;padding:0 16px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff;font-size:13px;cursor:pointer;transition:.2s}
.pg-go:hover{opacity:.9}
@media (max-width:768px){.pager-bar{justify-content:center}}
.pg-item{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;font-size:13.5px;color:var(--text2);background:#fff;transition:.2s}
a.pg-item:hover{border-color:var(--primary);color:var(--primary)}
.pg-item.active{background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff;border-color:transparent}
.pg-dots{border:none;background:none}

/* ---------- 底部（白色背景） ---------- */
.site-footer{background:#fff;color:var(--text2);border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.f-logo{display:flex;align-items:center;gap:9px;margin-bottom:16px}
.f-desc{font-size:13px;line-height:1.9;color:var(--text2);margin-bottom:16px;max-width:300px}
.f-line{font-size:13px;margin-bottom:8px;color:var(--text2)}
.f-col h4{color:#1d2b4f;font-size:15px;margin-bottom:18px;font-weight:600}
.f-col a{display:block;font-size:13px;margin-bottom:11px;color:var(--text2);transition:.2s}
.f-col a:hover{color:var(--primary)}
.friendlinks{border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--text3)}
.friendlinks a{display:inline;color:var(--text3);font-size:12.5px;margin:0}
.friendlinks a:hover{color:var(--primary)}
.copyright{border-top:1px solid var(--line);background:#fbfdff;padding:20px 0;text-align:center;font-size:12.5px;color:var(--text3)}

/* ---------- 悬浮条 ---------- */
.float-bar{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:2px}
.fb-item{width:52px;height:52px;background:#fff;border:1px solid var(--line);border-right:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;position:relative;color:var(--text2);font-size:11px;transition:.2s;box-shadow:-2px 2px 10px rgba(47,107,255,.06)}
.fb-item:first-child{border-radius:8px 0 0 0}
.fb-item:last-child{border-radius:0 0 0 8px}
.fb-item i{font-style:normal;display:flex;color:var(--primary)}
.fb-item:hover{background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff}
.fb-item:hover i{color:#fff}
.fb-pop{position:absolute;right:60px;top:50%;transform:translateY(-50%);background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-size:12px;color:var(--text2);white-space:nowrap;box-shadow:var(--shadow-lg);display:none}
.fb-wechat:hover .fb-pop{display:block}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .case-card{width:calc(50% - 11px)}
  .detail-img{flex:0 0 300px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-grid{gap:36px}
  .hero-content h1{font-size:36px}
  .trust-bar{grid-template-columns:repeat(3,1fr);row-gap:14px}
  .trust-item:nth-child(3){border-right:none}
  #featureTabs .tab-more{position:static;display:block;text-align:center;margin:4px auto 0;transform:none}
}
@media (max-width:768px){
  #featureTabs{margin:6px 0 22px}
  .header-right .header-phone{display:none}
  .nav-toggle{display:flex}
  .nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(0,0,0,.08);display:none;overflow:visible}
  .nav.open{display:flex}
  .hero-slide{padding:36px 0 74px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-content h1{font-size:29px}
  .hero-content>p{font-size:14.5px;margin:14px 0 22px}
  .hero-ministats{gap:24px;margin-top:28px}
  .hms b{font-size:24px}
  .hero-media{max-width:520px}
  .trust-wrap{margin-top:-40px}
  .trust-bar{grid-template-columns:repeat(2,1fr);padding:16px 6px}
  .trust-item{padding:6px 12px;border-right:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .tab-pane.active{grid-template-columns:1fr 1fr}
  .case-card{width:78%}
  .news-thumb{width:42%;min-height:0}
  .solution-grid{grid-template-columns:1fr 1fr;gap:12px}
  .solution-tags{gap:8px;margin-bottom:18px}
  .solution-tag{height:30px;padding:0 14px;font-size:12px}
  .news-body{padding:12px 14px 14px}
  .news-body p{display:none}
  .help-layout,.detail-layout,.contact-layout{grid-template-columns:1fr}
  .side-nav{position:static}
  .faq-list{grid-template-columns:1fr}
  .detail-head{flex-direction:column}
  .detail-img{flex:none;aspect-ratio:16/9}
  .plan-grid.plan-grid3{grid-template-columns:1fr}
  .section{padding:52px 0}
  .sec-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .float-bar{display:none}
  .partner-item{width:150px;height:68px}
  .mini-search input{width:140px}
}
@media (max-width:480px){
  .header-right .btn{display:none}
  /* 手机端：功能/新闻等文字卡片一行一个，保证可读性 */
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .tab-pane.active,.func-grid{grid-template-columns:1fr}
  .news-item{flex-direction:row}
  .news-thumb{width:42%;min-height:0}
  .news-body{padding:10px 12px 12px}
  .news-body h3{font-size:14.5px;margin:6px 0 0}
  .news-body p{display:none}
  .news-meta{font-size:11px;gap:4px}
  .news-meta .tag{padding:1px 5px}
  .news-meta time{display:none}
  .footer-grid{grid-template-columns:1fr}
  .trust-bar{grid-template-columns:1fr 1fr;padding:14px 6px}
  .trust-item{border-right:none;padding:8px 10px;gap:8px}
  .t-ico{width:38px;height:38px;border-radius:10px}
  .t-txt b{font-size:13px}
  .t-txt span{font-size:11px}
  .func-body{padding:12px 12px 14px}
  .func-body h3{font-size:15px}
  .news-meta{gap:6px}
  .news-meta .tag{padding:2px 6px;white-space:nowrap}
  .news-meta time{white-space:nowrap}
  .partner-item{width:116px;height:56px}
  .hero-actions .btn-lg{height:42px;padding:0 20px;font-size:14px}
  .hero-dots{bottom:22px}
}