@charset "UTF-8";
/* ==========================================================================
   雪豹拓客 · AI获客系统 —— 官网前台样式
   视觉体系：主蓝 #0066cc / 亮蓝 #0084ff / 浅底 #f8fbff / 渐变 135deg
   PC + 移动端自适应
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root{
    --primary-blue:#0066cc;
    --primary-blue-light:#4d94ff;
    --primary-blue-dark:#004499;
    --secondary-blue:#e6f2ff;
    --accent-blue:#00a8ff;

    --white:#ffffff;
    --light-gray:#f8f9fa;
    --gray:#6c757d;
    --dark-gray:#343a40;

    --text-primary:#1a1a1a;
    --text-secondary:#666666;
    --text-light:#999999;

    --border-light:#e9ecef;
    --section-tint:#f8fbff;

    --shadow-light:rgba(0,102,204,.10);
    --shadow-medium:rgba(0,102,204,.15);
    --shadow-heavy:rgba(0,102,204,.20);

    --gradient-blue:linear-gradient(135deg,#0066cc,#0084ff);
    --gradient-blue-deep:linear-gradient(135deg,#0066cc,#004499);

    --radius-sm:8px;
    --radius:12px;
    --radius-lg:15px;
    --radius-xl:20px;

    --nav-h:70px;
    --ease:all .3s ease;
}

/* ---------- 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,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size:16px;line-height:1.7;
    color:var(--text-primary);
    background:var(--white);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 1rem;}
a{color:var(--primary-blue);text-decoration:none;transition:var(--ease);}
a:hover{color:#0084ff;}
img{max-width:100%;height:auto;border:0;vertical-align:middle;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
svg{flex:0 0 auto;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.container-narrow{max-width:900px;}

/* ---------- 通用按钮 ---------- */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:.75rem 1.5rem;font-size:1rem;font-weight:500;
    border:none;border-radius:var(--radius-sm);cursor:pointer;
    transition:var(--ease);outline:none;white-space:nowrap;
}
.btn-primary{
    background:linear-gradient(135deg,#0066cc,#4d94ff);
    color:#fff;box-shadow:0 4px 15px var(--shadow-light);
}
.btn-primary:hover{background:linear-gradient(135deg,#004499,#0066cc);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px var(--shadow-medium);}
.btn-secondary{
    background:#fff;color:var(--primary-blue);
    border:2px solid var(--primary-blue);
    box-shadow:0 2px 10px var(--shadow-light);
}
.btn-secondary:hover{background:var(--primary-blue);color:#fff;transform:translateY(-1px);}
.btn-outline{
    background:transparent;color:var(--primary-blue);
    border:2px solid var(--primary-blue);
}
.btn-outline:hover{background:var(--primary-blue);color:#fff;}
.btn-outline-white{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.9);}
.btn-outline-white:hover{background:#fff;color:var(--primary-blue);}
.btn-sm{padding:.5rem 1.1rem;font-size:.9rem;}
.btn-lg{padding:1rem 2rem;font-size:1.05rem;}
.btn-block{display:flex;width:100%;}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none !important;}

/* ---------- 渐显动画 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
    .reveal{opacity:1 !important;transform:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.navbar{
    position:sticky;top:0;z-index:1000;
    background:rgba(255,255,255,.95);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border-light);
    box-shadow:0 2px 20px var(--shadow-light);
    transition:var(--ease);
}
.nav-container{
    max-width:1200px;margin:0 auto;padding:0 20px;height:70px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-logo{
    width:36px;height:36px;border-radius:8px;object-fit:cover;
    display:block;flex-shrink:0;
}
.nav-brand-text h1{
    color:var(--primary-blue);font-size:20px;font-weight:700;
    margin:0;line-height:1;white-space:nowrap;
}
.nav-brand-text span{
    display:block;font-size:.74rem;color:var(--text-light);
    letter-spacing:.5px;line-height:1.3;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:30px;flex-wrap:nowrap;height:70px;}
.nav-link{
    display:block;padding:0;position:relative;
    color:#333 !important;font-weight:500;font-size:15px;
    white-space:nowrap;
}
.nav-link::after{
    content:"";position:absolute;bottom:-5px;left:0;
    width:0;height:2px;background:var(--primary-blue);transition:width .3s ease;
}
.nav-link:hover{color:var(--primary-blue) !important;}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--primary-blue) !important;}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-phone{
    display:flex;align-items:center;gap:8px;font-weight:700;
    color:var(--primary-blue) !important;font-size:1.02rem;
}
.nav-phone svg{color:var(--primary-blue);}
.nav-toggle{
    display:none;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 10px;
    background:#fff;border:1px solid var(--border-light);
    border-radius:var(--radius-sm);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--primary-blue);border-radius:2px;transition:var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:1200;visibility:hidden;}
.mobile-drawer.open{visibility:visible;}
.drawer-mask{
    position:absolute;inset:0;background:rgba(0,30,70,.45);
    opacity:0;transition:opacity .3s ease;
}
.mobile-drawer.open .drawer-mask{opacity:1;}
.drawer-panel{
    position:absolute;top:0;right:0;bottom:0;width:300px;max-width:86vw;
    background:#fff;box-shadow:-8px 0 40px rgba(0,60,140,.18);
    transform:translateX(100%);transition:transform .32s ease;
    display:flex;flex-direction:column;
}
.mobile-drawer.open .drawer-panel{transform:none;}
.drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 20px;border-bottom:1px solid var(--border-light);
}
.drawer-title{font-weight:700;color:var(--primary-blue);font-size:1.05rem;}
.drawer-close{
    width:36px;height:36px;display:flex;align-items:center;justify-content:center;
    background:var(--light-gray);border:none;border-radius:50%;
    color:var(--text-secondary);cursor:pointer;
}
.drawer-nav{flex:1;overflow-y:auto;padding:10px 0;}
.drawer-link{
    display:block;padding:14px 22px;font-size:1.02rem;
    color:var(--text-primary) !important;border-bottom:1px solid #f4f6f9;
}
.drawer-link.active{color:var(--primary-blue) !important;font-weight:600;background:var(--secondary-blue);}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--border-light);display:grid;gap:10px;}

/* ==========================================================================
   Hero 首屏
   ========================================================================== */
.hero{
    position:relative;min-height:calc(100vh - var(--nav-h));
    display:flex;align-items:center;
    background:var(--white);
    padding:80px 0;overflow:hidden;
}
/* 上传 Banner 图片后：真实 <img> 铺满首屏 + 浅色遮罩，保证文字始终清晰可读 */
.hero-banner{
    position:absolute;inset:0;z-index:0;display:block;overflow:hidden;
}
.hero-banner img{
    width:100%;height:100%;object-fit:cover;object-position:center center;
    display:block;
}
.hero-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(255,255,255,.90) 0%,rgba(240,248,255,.82) 55%,rgba(255,255,255,.88) 100%);
}
.hero.has-banner .hero-container{z-index:1;}
.hero-container{
    position:relative;z-index:1;
    max-width:1200px;margin:0 auto;padding:0 20px;width:100%;
    display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.hero-content{max-width:600px;}
.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:#f8f9fa;color:var(--primary-blue);
    padding:8px 16px;border-radius:20px;font-size:.9rem;
    margin-bottom:20px;border:1px solid var(--border-light);
}
.hero-title{
    font-size:3.5rem;font-weight:700;color:var(--text-primary);
    line-height:1.2;margin-bottom:20px;
}
.hero-title .highlight{color:var(--primary-blue);font-weight:800;}
.hero-subtitle{
    font-size:1.3rem;color:#495057;
    margin-bottom:30px;line-height:1.6;
}
.hero-stats{display:flex;gap:40px;margin-bottom:40px;}
.stat-item{text-align:center;}
.stat-number{
    font-size:2.5rem;font-weight:700;color:var(--primary-blue);
    line-height:1.1;margin-bottom:5px;
}
.stat-label{font-size:.9rem;color:var(--text-secondary);}
.hero-buttons{display:flex;gap:20px;flex-wrap:wrap;}
/* 首屏按钮：参考站胶囊样式 */
.hero-buttons .btn{
    padding:15px 30px;border-radius:50px;
    font-size:1.1rem;font-weight:600;
}
.hero-buttons .btn-primary{background:linear-gradient(135deg,#0066cc,#0084ff);}
.hero-buttons .btn-primary:hover{background:linear-gradient(135deg,#0066cc,#0084ff);transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,102,204,.30);}
.hero-buttons .btn-secondary{background:#fff;color:var(--primary-blue);border:2px solid var(--primary-blue);box-shadow:none;}
.hero-buttons .btn-secondary:hover{background:var(--primary-blue);color:#fff;}

/* 右侧四大平台卡片 */
.hero-visual{display:flex;justify-content:center;align-items:center;}
.platform-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.platform-card{
    background:#fff;padding:30px;border-radius:15px;text-align:center;
    box-shadow:0 4px 20px rgba(0,102,204,.10);transition:var(--ease);
}
.platform-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,102,204,.20);}
.platform-card svg{width:40px;height:40px;vertical-align:middle;margin-right:10px;}
.platform-card .pf-name{font-size:1.1rem;font-weight:600;color:#333;}

/* ==========================================================================
   通用区块头部
   ========================================================================== */
.section{padding:100px 0;}
.section-tint{background:linear-gradient(135deg,#f8fbff,#ffffff);}
.section-alt{background:linear-gradient(135deg,#f8fbff,#e8f2ff);position:relative;}
.section-alt::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(0,102,204,.35),transparent);
}
.section-header{text-align:center;margin-bottom:60px;}
.section-title{
    font-size:2.5rem;color:var(--primary-blue);
    margin-bottom:15px;font-weight:700;
}
.section-subtitle{font-size:1.2rem;color:var(--text-secondary);margin:0;}

/* ==========================================================================
   核心功能
   ========================================================================== */
.platform-tabs{
    display:flex;justify-content:center;gap:20px;
    margin-bottom:50px;flex-wrap:wrap;
}
.tab-btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 24px;border:2px solid var(--secondary-blue);
    background:#fff;color:var(--text-secondary);
    border-radius:25px;cursor:pointer;transition:var(--ease);
    font-size:1rem;font-weight:500;
}
.tab-btn:hover{border-color:var(--primary-blue-light);color:var(--primary-blue);}
.tab-btn.active{
    background:linear-gradient(135deg,#0066cc,#0084ff);
    color:#fff;border-color:var(--primary-blue);
    box-shadow:0 6px 20px var(--shadow-medium);
}

.features-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;margin-bottom:80px;
}
.feature-card{
    background:linear-gradient(135deg,#f8fbff,#ffffff);
    padding:40px 30px;border-radius:20px;text-align:center;
    box-shadow:0 4px 20px rgba(0,102,204,.10);
    transition:var(--ease);border:1px solid var(--secondary-blue);
}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,102,204,.15);}
.feature-icon{
    width:70px;height:70px;margin:0 auto 20px;
    background:linear-gradient(135deg,#0066cc,#0084ff);
    border-radius:50%;display:flex;align-items:center;justify-content:center;
    color:#fff;
}
.feature-icon svg{width:32px;height:32px;}
.feature-title{font-size:1.3rem;color:var(--primary-blue);margin-bottom:10px;font-weight:700;}
.feature-desc{color:var(--text-secondary);line-height:1.6;font-size:.96rem;margin:0;}
.features-empty{text-align:center;color:var(--text-light);padding:60px 0;grid-column:1/-1;}

/* JS 可用时先隐藏「非默认 Tab」的功能卡片，避免首屏闪烁
   （默认 Tab 为抖音；JS 执行后会按当前 Tab 显式设置 display，覆盖本规则） */
.js .feature-card[data-platform="xiaohongshu"],
.js .feature-card[data-platform="kuaishou"],
.js .feature-card[data-platform="shipinhao"]{display:none;}

/* ==========================================================================
   最新资讯
   ========================================================================== */
.news-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(350px,1fr));
    gap:30px;
}
.news-card{
    background:#fff;border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:0 4px 20px var(--shadow-light);transition:var(--ease);
    display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,102,204,.20);}
.news-image{position:relative;height:200px;overflow:hidden;background:var(--light-gray);display:block;}
.news-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;display:block;}
.news-card:hover .news-image img{transform:scale(1.05);}
.news-image .no-cover{
    width:100%;height:100%;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;font-weight:700;font-size:1.1rem;
    letter-spacing:1px;
}
.news-category{
    position:absolute;top:15px;left:15px;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    padding:5px 12px;border-radius:15px;font-size:.8rem;font-weight:500;
}
.news-content{padding:25px;display:flex;flex-direction:column;flex:1;}
.news-date{color:var(--text-secondary);font-size:.9rem;margin-bottom:10px;}
.news-title{
    font-size:1.15rem;color:var(--text-primary);
    margin-bottom:10px;line-height:1.5;font-weight:600;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary-blue);}
.news-excerpt{
    color:var(--text-secondary);font-size:.94rem;line-height:1.7;
    margin-bottom:16px;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-footer{margin-top:auto;}
.read-more{color:var(--primary-blue);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .read-more{color:#0084ff;}
.news-more{text-align:center;margin-top:50px;}

/* ==========================================================================
   为什么选择我们
   ========================================================================== */
.why-us-intro{
    max-width:860px;margin:0 auto 50px;text-align:center;
    color:var(--text-secondary);font-size:1.05rem;line-height:1.8;
}
.advantages-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
    max-width:1200px;margin:0 auto 60px;
}
.advantage-card{
    background:#fff;padding:25px 20px;border-radius:12px;
    box-shadow:0 6px 20px rgba(0,102,204,.08);
    transition:var(--ease);position:relative;
    border:1px solid rgba(0,102,204,.1);text-align:center;
    display:flex;flex-direction:column;min-height:280px;
}
.advantage-card:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(0,102,204,.15);border-color:rgba(0,102,204,.2);}
.advantage-icon{
    width:50px;height:50px;background:linear-gradient(135deg,#0066cc,#0084ff);
    border-radius:50%;display:flex;align-items:center;justify-content:center;
    margin:0 auto 15px;color:#fff;box-shadow:0 6px 16px rgba(0,102,204,.22);
}
.advantage-icon svg{width:24px;height:24px;}
.advantage-card h3{font-size:1.15rem;color:var(--text-primary);margin-bottom:12px;font-weight:600;}
.advantage-card > p{color:var(--text-secondary);font-size:.94rem;line-height:1.7;margin-bottom:16px;}
.advantage-card ul{margin-top:auto;display:grid;gap:8px;text-align:left;}
.advantage-card li{
    display:flex;align-items:flex-start;gap:8px;
    font-size:.9rem;color:var(--text-secondary);line-height:1.5;
}
.advantage-card li svg{color:var(--primary-blue);margin-top:3px;}

/* 数据对比 */
.comparison-section{
    background:#fff;padding:80px 40px;border-radius:20px;
    box-shadow:0 8px 32px rgba(0,102,204,.10);
    max-width:1200px;margin:80px auto;
}
.comparison-header{text-align:center;margin-bottom:20px;}
.comparison-title{font-size:2rem;color:var(--text-primary);margin-bottom:10px;}
.comparison-title strong{color:var(--primary-blue);}
.comparison-subtitle{font-size:1.5rem;color:var(--primary-blue);margin-bottom:10px;font-weight:600;}
.comparison-desc{text-align:center;color:var(--text-secondary);margin-bottom:60px;font-size:1rem;}
.comparison-table{
    display:grid;grid-template-columns:1.2fr auto 1.2fr;gap:60px;
    align-items:stretch;margin-bottom:60px;
}
.comparison-item{
    padding:40px 30px;border-radius:16px;text-align:center;
    display:flex;flex-direction:column;min-height:400px;
}
.comparison-item.traditional{background:linear-gradient(135deg,#fff5f5,#ffe8e8);border:2px solid #ff6b6b;}
.comparison-item.smart{background:linear-gradient(135deg,#f0f8ff,#e6f3ff);border:2px solid #0066cc;}
.comparison-item h4{font-size:1.35rem;margin-bottom:8px;}
.comparison-item.traditional h4{color:#e53935;}
.comparison-item.smart h4{color:var(--primary-blue);}
.method-desc{font-size:.95rem;color:var(--text-secondary);margin-bottom:20px;}
.tags{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.tag{padding:5px 14px;border-radius:20px;font-size:.85rem;color:#fff;font-weight:500;}
.comparison-item.traditional .tag{background:#ff6b6b;}
.comparison-item.smart .tag{background:var(--primary-blue);}
.metrics{display:grid;gap:0;flex:1;}
.metric{
    display:flex;flex-direction:column;align-items:center;
    padding:15px 0;border-bottom:1px solid rgba(0,0,0,.06);
}
.metric:last-child{border-bottom:none;}
.metric .label{font-size:.88rem;color:var(--text-secondary);margin-bottom:6px;}
.metric .value{font-size:1.75rem;font-weight:700;line-height:1.2;}
.comparison-item.traditional .value{color:#e53935;}
.comparison-item.smart .value{color:var(--primary-blue);}
.metric small{font-size:.8rem;color:var(--text-light);margin-top:4px;}
.metric .improvement{color:#00a854;font-weight:600;}
.vs-divider{display:flex;align-items:center;justify-content:center;align-self:center;}
.vs-text{
    width:70px;height:70px;border-radius:50%;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:1.5rem;font-weight:700;box-shadow:0 8px 24px rgba(0,102,204,.3);
}
.data-highlights{
    display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
    max-width:1000px;margin:60px auto 0;
}
.highlight-card{
    text-align:center;padding:40px 20px;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    border-radius:16px;transition:var(--ease);
    box-shadow:0 8px 32px rgba(0,102,204,.20);
}
.highlight-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px rgba(0,102,204,.30);}
.highlight-number{font-size:42px;font-weight:700;line-height:1;margin-bottom:8px;}
.highlight-label{font-size:16px;opacity:.95;font-weight:500;}

/* 客户案例 */
.subsection{margin-top:80px;}
.subsection-head{text-align:center;margin-bottom:40px;}
.subsection-title{font-size:2rem;color:var(--text-primary);margin-bottom:10px;}
.subsection-sub{font-size:1.15rem;color:var(--primary-blue);margin-bottom:8px;font-weight:600;}
.subsection-desc{color:var(--text-secondary);font-size:1rem;margin:0;}
.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px;}
.case-card{
    background:#fff;padding:40px;border-radius:16px;
    box-shadow:0 8px 32px rgba(0,102,204,.10);transition:var(--ease);
    border:1px solid rgba(0,102,204,.06);
    display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,102,204,.18);}
.case-header{display:flex;align-items:center;gap:14px;margin-bottom:22px;}
.case-icon{
    width:50px;height:50px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-weight:700;color:#fff;font-size:18px;flex:0 0 auto;
}
.case-icon.c1{background:linear-gradient(135deg,#ff6b6b,#ee5a24);}
.case-icon.c2{background:linear-gradient(135deg,#0066cc,#004c99);}
.case-icon.c3{background:linear-gradient(135deg,#00c851,#007e33);}
.case-icon.c4{background:linear-gradient(135deg,#ffb300,#ef6c00);}
.case-icon.c5{background:linear-gradient(135deg,#7c4dff,#4527a0);}
.case-icon.c6{background:linear-gradient(135deg,#00bcd4,#00838f);}
.case-header h4{font-size:1.08rem;margin-bottom:2px;}
.case-header p{font-size:.9rem;color:var(--text-light);margin:0;}
.case-content{flex:1;display:flex;flex-direction:column;}
.case-content blockquote{
    margin:0 0 22px;padding-left:16px;
    border-left:3px solid var(--primary-blue);
    color:var(--text-secondary);font-size:.96rem;line-height:1.8;
}
.case-metrics{display:flex;gap:30px;margin-top:auto;padding-top:18px;border-top:1px solid var(--border-light);}
.metric-mini{display:flex;flex-direction:column;align-items:flex-start;}
.case-metrics .number{font-size:1.4rem;font-weight:700;color:var(--primary-blue);line-height:1.2;}
.case-metrics .label{font-size:.85rem;color:var(--text-light);}

/* 行业覆盖 */
.industry-grid{
    display:grid;grid-template-columns:repeat(5,1fr);
    gap:20px;max-width:1000px;margin:0 auto;
}
.industry-item{
    background:#fff;padding:24px 12px;border-radius:var(--radius);text-align:center;
    box-shadow:0 4px 12px rgba(0,102,204,.10);transition:var(--ease);
    display:flex;flex-direction:column;align-items:center;gap:10px;
    border:1px solid rgba(0,102,204,.06);
}
.industry-item:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,102,204,.18);}
.industry-item svg{color:var(--primary-blue);}
.industry-item span{font-size:.94rem;color:var(--text-primary);font-weight:500;}

/* CTA */
.cta-section{
    text-align:center;padding:60px;margin-top:60px;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    border-radius:20px;box-shadow:0 12px 40px rgba(0,102,204,.25);
}
.cta-section h3{font-size:1.9rem;margin-bottom:16px;color:#fff;}
.cta-section p{font-size:1.05rem;opacity:.94;max-width:760px;margin:0 auto 32px;line-height:1.8;}
.cta-buttons{display:flex;gap:20px;justify-content:center;align-items:center;flex-wrap:wrap;}
.cta-section .btn-primary{background:#fff;color:var(--primary-blue);box-shadow:0 6px 20px rgba(0,0,0,.15);}
.cta-section .btn-primary:hover{background:#f0f8ff;color:var(--primary-blue-dark);}

/* ==========================================================================
   内页通用
   ========================================================================== */
.page-hero{
    background:linear-gradient(135deg,#f8fbff,#e8f2ff);
    padding:70px 0 60px;text-align:center;position:relative;
    border-bottom:1px solid rgba(0,102,204,.08);
}
.page-hero h1{
    font-size:2.6rem;margin-bottom:14px;
    background:linear-gradient(135deg,#0066cc,#00a8ff);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
}
.page-hero p{font-size:1.15rem;color:var(--text-secondary);margin:0;}
.breadcrumb{
    display:flex;justify-content:center;gap:8px;flex-wrap:wrap;
    margin-top:18px;font-size:.9rem;color:var(--text-light);
}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--primary-blue);}
.breadcrumb .sep{opacity:.5;}

.page-body{padding:70px 0 90px;}
.layout{
    display:grid;grid-template-columns:minmax(0,1fr) 320px;
    gap:44px;align-items:start;
}
.layout-full{display:block;}

/* 文章正文 */
.article{max-width:100%;}
.article h2{font-size:1.6rem;margin:2rem 0 1rem;color:var(--text-primary);}
.article h3{font-size:1.25rem;margin:1.6rem 0 .8rem;color:var(--primary-blue);}
.article h4{font-size:1.08rem;margin:1.3rem 0 .6rem;}
.article p{margin:0 0 1.1rem;color:#333;line-height:1.9;}
.article ul,.article ol{margin:0 0 1.2rem;padding-left:0;list-style:none;}
.article li{
    position:relative;padding-left:22px;margin-bottom:.6rem;
    color:#333;line-height:1.8;
}
.article li::before{
    content:"";position:absolute;left:4px;top:.72em;
    width:7px;height:7px;border-radius:50%;background:var(--primary-blue);
}
.article img{border-radius:var(--radius);margin:1rem 0;box-shadow:0 6px 24px rgba(0,102,204,.12);}
.article table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.95rem;}
.article th,.article td{border:1px solid var(--border-light);padding:10px 14px;text-align:left;}
.article th{background:var(--secondary-blue);color:var(--primary-blue);font-weight:600;}
.article blockquote{
    margin:1.2rem 0;padding:16px 20px;border-left:4px solid var(--primary-blue);
    background:#f8fbff;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
    color:var(--text-secondary);
}
.article a{text-decoration:underline;}

/* 答案前置定义块（GEO） */
.def-box{
    background:linear-gradient(135deg,#f0f8ff,#e6f3ff);
    border:1px solid rgba(0,102,204,.18);
    border-left:4px solid var(--primary-blue);
    border-radius:var(--radius);padding:24px 26px;margin:0 0 28px;
}
.def-box .def-label{
    display:inline-flex;align-items:center;gap:6px;
    font-size:.8rem;font-weight:700;color:var(--primary-blue);
    letter-spacing:1px;margin-bottom:10px;
}
.def-box p{margin:0;font-size:1.02rem;line-height:1.85;color:#1f3350;}

/* 新闻列表页 */
.news-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px;}
.filter-bar{
    display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:44px;
}
.filter-bar a{
    padding:9px 20px;border-radius:22px;border:1px solid var(--border-light);
    background:#fff;color:var(--text-secondary);font-size:.94rem;
}
.filter-bar a:hover{border-color:var(--primary-blue-light);color:var(--primary-blue);}
.filter-bar a.active{
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    border-color:transparent;box-shadow:0 5px 16px var(--shadow-medium);
}
.pager{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:50px;}
.pager a,.pager span{
    min-width:42px;height:42px;padding:0 14px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--radius-sm);border:1px solid var(--border-light);
    background:#fff;color:var(--text-secondary);font-size:.95rem;
}
.pager a:hover{border-color:var(--primary-blue);color:var(--primary-blue);}
.pager .current{
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    border-color:transparent;font-weight:600;
}
.pager .disabled{opacity:.45;pointer-events:none;}

/* 文章详情 */
.article-head{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border-light);}
.article-head h1{font-size:2rem;line-height:1.45;margin-bottom:16px;}
.article-meta{display:flex;gap:20px;flex-wrap:wrap;color:var(--text-light);font-size:.92rem;align-items:center;}
.article-meta .cat{
    background:var(--secondary-blue);color:var(--primary-blue);
    padding:2px 12px;border-radius:14px;font-size:.85rem;
}
.article-foot{
    margin-top:40px;padding-top:24px;border-top:1px solid var(--border-light);
    display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
    font-size:.94rem;
}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px;}
.article-nav a{
    display:block;padding:16px 20px;background:#f8fbff;
    border:1px solid var(--border-light);border-radius:var(--radius);
    color:var(--text-primary);
}
.article-nav a:hover{border-color:var(--primary-blue);background:#f0f8ff;}
.article-nav small{display:block;color:var(--text-light);font-size:.82rem;margin-bottom:6px;}
.article-nav .an-title{
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
    overflow:hidden;font-weight:500;
}
.article-nav .next{text-align:right;}

/* FAQ（GEO 可引用问答） */
.faq-list{margin-top:50px;display:grid;gap:14px;}
.faq-item{
    background:#fff;border:1px solid var(--border-light);border-radius:var(--radius);
    overflow:hidden;transition:var(--ease);
}
.faq-item[open]{border-color:rgba(0,102,204,.35);box-shadow:0 6px 22px rgba(0,102,204,.10);}
.faq-item summary{
    cursor:pointer;padding:18px 22px;font-weight:600;font-size:1.04rem;
    color:var(--text-primary);list-style:none;position:relative;padding-right:52px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
    content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
    font-size:1.4rem;color:var(--primary-blue);font-weight:400;line-height:1;
}
.faq-item[open] summary::after{content:"-";}
.faq-item[open] summary{color:var(--primary-blue);background:#f8fbff;}
.faq-body{padding:0 22px 20px;color:var(--text-secondary);line-height:1.85;font-size:.98rem;}

/* 侧栏 */
.sidebar{position:sticky;top:calc(var(--nav-h) + 20px);display:grid;gap:22px;}
.side-card{
    background:#fff;border:1px solid var(--border-light);
    border-radius:var(--radius-lg);padding:24px;
    box-shadow:0 6px 24px rgba(0,102,204,.07);
}
.side-card h3{
    font-size:1.1rem;color:var(--primary-blue);
    margin-bottom:18px;padding-bottom:12px;
    border-bottom:1px solid var(--border-light);
    display:flex;align-items:center;gap:8px;
}
.side-links{display:grid;gap:2px;}
.side-links a{
    display:block;padding:10px 12px;border-radius:var(--radius-sm);
    color:var(--text-secondary);font-size:.95rem;
    border-left:3px solid transparent;
}
.side-links a:hover{background:#f8fbff;color:var(--primary-blue);border-left-color:var(--primary-blue);}
.side-news{display:grid;gap:14px;}
.side-news a{display:block;}
.side-news .sn-title{
    color:var(--text-primary);font-size:.95rem;line-height:1.55;font-weight:500;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-news a:hover .sn-title{color:var(--primary-blue);}
.side-news .sn-date{font-size:.82rem;color:var(--text-light);margin-top:4px;}
.side-cta{
    background:linear-gradient(135deg,#0066cc,#0084ff);
    color:#fff;border:none;text-align:center;
}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.25);justify-content:center;border-bottom:1px solid rgba(255,255,255,.25);}
.side-cta p{font-size:.94rem;opacity:.94;margin-bottom:18px;}
.side-cta .btn{width:100%;background:#fff;color:var(--primary-blue);}
.side-cta .btn:hover{background:#f0f8ff;color:var(--primary-blue-dark);}
.side-qr{text-align:center;}
.side-qr img{
    width:170px;height:170px;object-fit:contain;
    border:1px solid var(--border-light);border-radius:var(--radius);
    padding:8px;background:#fff;
}
.side-qr .qr-tip{font-size:.88rem;color:var(--text-light);margin-top:12px;}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:50px;}
.contact-card{
    background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);
    padding:32px 24px;text-align:center;box-shadow:0 6px 24px rgba(0,102,204,.07);
    transition:var(--ease);
}
.contact-card:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(0,102,204,.15);}
.contact-card .cc-icon{
    width:60px;height:60px;margin:0 auto 16px;border-radius:50%;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 18px rgba(0,102,204,.22);
}
.contact-card h3{font-size:1.05rem;color:var(--text-light);font-weight:500;margin-bottom:8px;}
.contact-card .cc-value{font-size:1.22rem;font-weight:700;color:var(--text-primary);word-break:break-all;}
.contact-card .cc-value a{color:var(--text-primary);}
.contact-card .cc-value a:hover{color:var(--primary-blue);}
.contact-card .cc-sub{font-size:.85rem;color:var(--text-light);margin-top:6px;}

/* 表单 */
.form-card{
    background:#fff;border:1px solid var(--border-light);
    border-radius:var(--radius-lg);padding:38px;
    box-shadow:0 8px 32px rgba(0,102,204,.08);
}
.form-card h2{font-size:1.5rem;margin-bottom:8px;}
.form-card .form-sub{color:var(--text-secondary);font-size:.96rem;margin-bottom:28px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:18px;}
.form-group label{
    display:block;font-size:.92rem;color:var(--text-primary);
    font-weight:500;margin-bottom:8px;
}
.form-group label .req{color:#e53935;margin-left:2px;}
.form-control{
    width:100%;padding:12px 14px;font-size:.98rem;font-family:inherit;
    color:var(--text-primary);background:#fff;
    border:1px solid var(--border-light);border-radius:var(--radius-sm);
    transition:var(--ease);outline:none;
}
.form-control:focus{border-color:var(--primary-blue);box-shadow:0 0 0 3px rgba(0,102,204,.12);}
textarea.form-control{min-height:120px;resize:vertical;line-height:1.7;}
select.form-control{cursor:pointer;}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}

/* 提示条 */
.alert{
    padding:14px 18px;border-radius:var(--radius-sm);margin-bottom:22px;
    font-size:.95rem;display:flex;align-items:flex-start;gap:10px;
}
.alert-success{background:#e8f8ef;border:1px solid #b7e4c7;color:#1b7a43;}
.alert-error{background:#fdecec;border:1px solid #f5c2c0;color:#c0392b;}
.alert-info{background:var(--secondary-blue);border:1px solid #b8dcff;color:var(--primary-blue-dark);}

/* 关于我们 */
.about-hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;align-items:center;margin-bottom:60px;}
.about-figure{
    border-radius:var(--radius-xl);overflow:hidden;
    box-shadow:0 16px 48px rgba(0,102,204,.16);
    background:linear-gradient(135deg,#0066cc,#0084ff);
    padding:44px 34px;color:#fff;text-align:center;
}
.about-figure .af-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 16px;}
.about-figure .af-num{font-size:3rem;font-weight:700;line-height:1.1;}
.about-figure .af-label{font-size:.95rem;opacity:.92;margin-top:6px;}
.timeline{position:relative;padding-left:30px;margin-top:20px;}
.timeline::before{
    content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,#0066cc,#00a8ff);opacity:.35;
}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-item::before{
    content:"";position:absolute;left:-30px;top:6px;
    width:16px;height:16px;border-radius:50%;
    background:#fff;border:3px solid var(--primary-blue);
    box-shadow:0 0 0 4px rgba(0,102,204,.12);
}
.timeline-item .tl-year{font-size:1.05rem;font-weight:700;color:var(--primary-blue);margin-bottom:4px;}
.timeline-item .tl-text{color:var(--text-secondary);font-size:.96rem;line-height:1.75;margin:0;}
.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.value-card{
    background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);
    padding:30px 26px;box-shadow:0 6px 24px rgba(0,102,204,.07);transition:var(--ease);
}
.value-card:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(0,102,204,.15);}
.value-card .vc-icon{
    width:52px;height:52px;border-radius:var(--radius);margin-bottom:16px;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 18px rgba(0,102,204,.2);
}
.value-card h3{font-size:1.12rem;margin-bottom:10px;color:var(--text-primary);}
.value-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.75;margin:0;}

/* 下载页 */
.download-card{
    background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-xl);
    padding:44px;box-shadow:0 10px 36px rgba(0,102,204,.10);
    display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
    margin-bottom:26px;
}
.download-card h3{font-size:1.4rem;margin-bottom:10px;}
.download-card .dl-desc{color:var(--text-secondary);font-size:.98rem;line-height:1.8;margin-bottom:18px;}
.download-card .dl-meta{display:flex;gap:24px;flex-wrap:wrap;font-size:.9rem;color:var(--text-light);}
.download-card .dl-meta b{color:var(--text-primary);font-weight:600;}
.download-qr{text-align:center;}
.download-qr img{
    width:180px;height:180px;object-fit:contain;padding:10px;
    border:1px solid var(--border-light);border-radius:var(--radius);background:#fff;
}
.download-qr .dq-tip{font-size:.88rem;color:var(--text-light);margin-top:10px;}
.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;}
.step-card{
    background:#f8fbff;border:1px solid rgba(0,102,204,.14);
    border-radius:var(--radius-lg);padding:26px 24px;
}
.step-card .sc-num{
    width:38px;height:38px;border-radius:50%;margin-bottom:14px;
    background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:700;
}
.step-card h4{font-size:1.05rem;margin-bottom:8px;}
.step-card p{color:var(--text-secondary);font-size:.94rem;line-height:1.7;margin:0;}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer-section{
    background:linear-gradient(135deg,#0066cc,#004499);
    color:#fff;padding:60px 0 40px;margin-top:80px;
}
.footer-content{
    max-width:1200px;margin:0 auto;padding:0 20px;
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:44px;
}
.footer-company h3{font-size:1.5rem;margin-bottom:15px;color:#fff;}
.footer-company p{font-size:.95rem;line-height:1.85;opacity:.9;margin:0 0 20px;}
.footer-links h4,.footer-contact h4{font-size:1.1rem;margin-bottom:18px;color:#fff;}
.footer-links ul{display:grid;gap:11px;}
.footer-links a{color:rgba(255,255,255,.85) !important;font-size:.95rem;}
.footer-links a:hover{color:#fff !important;padding-left:4px;}
.footer-contact-item{
    display:flex;align-items:flex-start;gap:10px;
    margin-bottom:14px;font-size:.95rem;line-height:1.6;
}
.footer-contact-item svg{margin-top:3px;opacity:.85;}
.footer-contact-item a{color:#fff !important;}
.footer-contact-item a:hover{text-decoration:underline;}
.footer-bottom{
    max-width:1200px;margin:40px auto 0;padding:20px 20px 0;
    border-top:1px solid rgba(255,255,255,.2);
    text-align:center;font-size:.88rem;opacity:.78;
    display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;
}
.footer-bottom a{color:#fff !important;}
.footer-bottom a:hover{text-decoration:underline;}
.footer-bottom .sep{opacity:.5;}

/* ==========================================================================
   浮动联系 / 返回顶部 / 二维码弹层
   ========================================================================== */
.float-bar{
    position:fixed;right:22px;bottom:90px;z-index:900;
    display:grid;gap:10px;
}
.float-btn{
    width:50px;height:50px;border-radius:50%;
    background:#fff;color:var(--primary-blue);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 20px rgba(0,102,204,.22);
    border:1px solid var(--border-light);cursor:pointer;
    transition:var(--ease);position:relative;
}
.float-btn:hover{background:var(--primary-blue);color:#fff;transform:translateY(-3px);}
.float-btn .fb-label{
    position:absolute;right:60px;top:50%;transform:translateY(-50%);
    background:var(--primary-blue);color:#fff;
    padding:6px 12px;border-radius:var(--radius-sm);
    font-size:.85rem;white-space:nowrap;opacity:0;pointer-events:none;
    transition:var(--ease);
}
.float-btn:hover .fb-label{opacity:1;}
.float-top{display:none;}
.float-top.show{display:flex;}

.mobile-bar{display:none;}

.qr-modal{
    position:fixed;inset:0;z-index:1300;visibility:hidden;
    display:flex;align-items:center;justify-content:center;
}
.qr-modal.open{visibility:visible;}
.qr-modal .qm-mask{
    position:absolute;inset:0;background:rgba(0,30,70,.5);
    opacity:0;transition:opacity .25s ease;
}
.qr-modal.open .qm-mask{opacity:1;}
.qr-modal .qm-box{
    position:relative;background:#fff;border-radius:var(--radius-lg);
    padding:30px;text-align:center;box-shadow:0 24px 70px rgba(0,40,100,.3);
    transform:scale(.94);transition:transform .25s ease;max-width:320px;
}
.qr-modal.open .qm-box{transform:none;}
.qr-modal img{width:200px;height:200px;object-fit:contain;}
.qr-modal .qm-title{font-weight:700;color:var(--primary-blue);margin-bottom:14px;font-size:1.05rem;}
.qr-modal .qm-tip{color:var(--text-secondary);font-size:.9rem;margin-top:12px;}
.qr-modal .qm-close{
    position:absolute;top:10px;right:12px;width:32px;height:32px;
    border:none;background:var(--light-gray);border-radius:50%;
    color:var(--text-secondary);cursor:pointer;font-size:1.1rem;line-height:1;
}

/* ==========================================================================
   404
   ========================================================================== */
.error-page{
    min-height:70vh;display:flex;flex-direction:column;
    align-items:center;justify-content:center;text-align:center;
    padding:80px 20px;
}
.error-page .err-code{
    font-size:6rem;font-weight:800;line-height:1;
    background:linear-gradient(135deg,#0066cc,#00a8ff);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
    margin-bottom:10px;
}
.error-page h1{font-size:1.6rem;margin-bottom:14px;}
.error-page p{color:var(--text-secondary);margin-bottom:28px;}

/* ==========================================================================
   响应式（断点对齐参考站：1200 / 1024 / 768 / 480）
   ========================================================================== */
@media (max-width:1200px){
    .nav-links{gap:20px;}
    .nav-phone{display:none;}
    .advantages-grid{grid-template-columns:repeat(2,1fr);gap:25px;}
}

@media (max-width:1024px){
    .industry-grid{grid-template-columns:repeat(4,1fr);}
    .hero-container{grid-template-columns:1fr;text-align:center;gap:40px;}
    .hero-content{max-width:600px;margin:0 auto;}
    .hero-stats{justify-content:center;}
    .hero-buttons{justify-content:center;}
    .hero-visual{justify-content:center;}
    .about-hero-grid{grid-template-columns:1fr;gap:36px;}
    .layout{grid-template-columns:minmax(0,1fr);gap:36px;}
    .sidebar{position:static;}
    .download-card{grid-template-columns:1fr;gap:26px;padding:32px 24px;}
    .contact-grid{grid-template-columns:1fr;}
}

@media (max-width:768px){
    body{font-size:15px;}
    .container{padding:0 16px;}
    .nav-links,.nav-cta{display:none;}
    .nav-toggle{display:flex;}
    .nav-container{padding:0 15px;height:64px;}
    .nav-links{height:64px;}
    .nav-brand-text h1{font-size:1.22rem;}
    .nav-brand-text span{font-size:.68rem;}
    .nav-logo{width:36px;height:36px;}
    .hero{padding:60px 0;min-height:auto;}
    .hero-title{font-size:2.5rem;}
    .hero-subtitle{font-size:1.12rem;margin-bottom:24px;}
    .hero-badge{font-size:.82rem;padding:6px 12px;}
    .hero-stats{gap:30px;margin-bottom:30px;}
    .stat-number{font-size:1.9rem;}
    .stat-label{font-size:.82rem;}
    .hero-buttons{flex-direction:column;align-items:center;}
    .hero-buttons .btn{width:100%;max-width:320px;justify-content:center;}
    .platform-cards{grid-template-columns:repeat(2,1fr);gap:15px;}
    .platform-card{padding:22px;border-radius:12px;}
    .platform-card span,.platform-card .pf-name{font-size:.95rem;}
    .section{padding:70px 0;}
    .section-header{margin-bottom:44px;}
    .section-title{font-size:2rem;}
    .section-subtitle{font-size:1.05rem;}
    .features-grid,.advantages-grid,.news-grid,.cases-grid{grid-template-columns:1fr;}
    .features-grid{gap:20px;margin-bottom:56px;}
    .feature-card{padding:30px 22px;}
    .platform-tabs{gap:12px;margin-bottom:34px;justify-content:flex-start;overflow-x:auto;padding-bottom:6px;}
    .platform-tabs::-webkit-scrollbar{display:none;}
    .tab-btn{padding:10px 18px;font-size:.92rem;flex:0 0 auto;}
    .advantages-grid{gap:20px;margin-bottom:44px;}
    .advantage-card{padding:30px 20px;min-height:auto;}
    .comparison-section{padding:40px 20px;margin:40px 0;}
    .comparison-table{grid-template-columns:1fr;gap:30px;}
    .vs-divider{order:2;margin:20px 0;}
    .vs-text{width:60px;height:60px;font-size:24px;}
    .comparison-item{padding:30px 20px;min-height:auto;}
    .data-highlights{grid-template-columns:repeat(2,1fr);gap:15px;margin-top:40px;}
    .highlight-card{padding:30px 15px;}
    .highlight-number{font-size:32px;}
    .case-metrics{flex-direction:column;gap:15px;}
    .case-card{padding:30px 22px;}
    .industry-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
    .cta-section{padding:40px 20px;}
    .cta-section h3{font-size:24px;}
    .cta-buttons{flex-direction:column;gap:15px;}
    .cta-buttons .btn{width:100%;max-width:280px;justify-content:center;}
    .footer-content{grid-template-columns:1fr;gap:40px;text-align:center;}
    .footer-section{padding:40px 0 30px;margin-top:60px;}
    .form-row{grid-template-columns:1fr;}
    .form-card{padding:28px 22px;}
    .subsection{margin-top:56px;}
    .subsection-title{font-size:1.6rem;}
    .news-image{height:190px;}
    .news-list{grid-template-columns:1fr;}
    .article-nav{grid-template-columns:1fr;}
    .article-nav .next{text-align:left;}
    .article-head h1{font-size:1.5rem;}
    .filter-bar{gap:8px;margin-bottom:30px;}
    .filter-bar a{padding:7px 15px;font-size:.88rem;}
    .float-bar{display:none;}
    .about-figure .af-num{font-size:2.2rem;}
    .download-qr img{width:150px;height:150px;}
    .error-page .err-code{font-size:4.2rem;}
    .error-page h1{font-size:1.3rem;}
    .page-hero{padding:50px 0 44px;}
    .page-hero h1{font-size:2rem;}
    .page-body{padding:50px 0 66px;}

    /* 移动端底部操作条（一键拨号 / 微信咨询） */
    .mobile-bar{
        display:grid;grid-template-columns:1fr 1fr;gap:1px;
        position:fixed;left:0;right:0;bottom:0;z-index:950;
        background:var(--border-light);
        box-shadow:0 -4px 20px rgba(0,60,140,.12);
        padding-bottom:env(safe-area-inset-bottom);
    }
    .mobile-bar a,.mobile-bar button{
        display:flex;align-items:center;justify-content:center;gap:8px;
        padding:13px 8px;font-size:.95rem;font-weight:500;
        background:#fff;color:var(--primary-blue);border:none;cursor:pointer;
    }
    .mobile-bar a.primary{background:linear-gradient(135deg,#0066cc,#0084ff);color:#fff;}
    body{padding-bottom:52px;}
}

@media (max-width:480px){
    .hero{padding:60px 0;}
    .hero-title{font-size:2rem;}
    .hero-stats{flex-direction:column;gap:20px;}
    .platform-cards{grid-template-columns:1fr;}
    .data-highlights{grid-template-columns:repeat(2,1fr);gap:10px;}
    .highlight-card{padding:20px 10px;}
    .highlight-number{font-size:24px;}
    .highlight-label{font-size:14px;}
}

/* 打印 */
@media print{
    .navbar,.float-bar,.mobile-bar,.cta-section,.footer-section{display:none !important;}
    body{padding-bottom:0;}
    .reveal{opacity:1 !important;transform:none !important;}
}