/* Shared styles for kf/About/Link pages */

/* ===== kf.asp ===== */

/* ========== 重置 & 基础 ========== */
*{margin:0;padding:0;box-sizing:border-box}
body{
    font-family:PingFang SC,"Microsoft YaHei",Arial,sans-serif;
    background:#f0f2f5;color:#334155;line-height:1.6;
    min-width:1200px;
}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;border-radius:10px}

/* ========== 顶部信息条 ========== */
.top-bar{
    background:#0f172a;height:36px;line-height:36px;
    color:#94a3b8;font-size:12px;
}
.top-bar-inner{max-width:1380px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px}
.top-bar a:hover{color:#60a5fa}
.top-links a{margin-left:18px}

/* ========== 主导航 ========== */
.main-header{
    background:#fff;height:68px;position:sticky;top:0;z-index:1000;
    box-shadow:0 1px 3px rgba(0,0,0,.08);
}
.header-inner{max-width:1380px;margin:0 auto;display:flex;align-items:center;height:100%;padding:0 20px;gap:40px}
.logo{font-size:26px;font-weight:900;color:#2563eb;letter-spacing:-.5px}
.logo span{color:#7c3aed}
.nav-menu{display:flex;gap:4px;flex:1}
.nav-menu a{
    padding:8px 16px;border-radius:8px;font-size:15px;font-weight:500;
    color:#475569;transition:all .25s;
}
.nav-menu a:hover,.nav-menu a.active{background:#eff6ff;color:#2563eb}

/* ========== 搜索框 ========== */
.search-box{display:flex;align-items:center;background:#f1f5f9;border-radius:24px;padding:5px 5px 5px 18px;width:240px;border:1.5px solid transparent;transition:.25s}
.search-box:focus-within{border-color:#2563eb;background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:13px;color:#334155}
.search-box button{
    width:34px;height:34px;border-radius:50%;border:none;
    background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;
    cursor:pointer;font-size:14px;font-weight:bold;
    transition:transform .25s;
}
.search-box button:hover{transform:scale(1.05)}

/* ========== Hero Banner ========== */
.hero-banner{
    background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);
    padding:70px 20px;text-align:center;position:relative;overflow:hidden;
}
.hero-banner::before{
    content:'';position:absolute;top:-50%;left:-50%;
    width:200%;height:200%;background:
        radial-gradient(circle at 25% 35%,rgba(37,99,235,.15),transparent 50%),
        radial-gradient(circle at 75% 65%,rgba(124,58,237,.12),transparent 50%);
}
.hero-banner h1{font-size:42px;color:#fff;font-weight:900;position:relative;z-index:1;margin-bottom:16px;letter-spacing:-.5px}
.hero-banner p{font-size:17px;color:#94a3b8;position:relative;z-index:1;max-width:600px;margin:0 auto}
.hero-badge{
    display:inline-block;background:linear-gradient(135deg,#2563eb,#7c3aed);
    color:#fff;padding:6px 22px;border-radius:20px;font-size:13px;font-weight:600;
    margin-bottom:24px;position:relative;z-index:1;
}

/* ========== 主容器 ========== */
.container{max-width:1380px;margin:0 auto;padding:40px 20px;display:flex;gap:30px}

/* ========== 左侧栏目导航 ========== */
.side-nav{
    width:230px;flex-shrink:0;position:sticky;top:88px;align-self:flex-start;
}
.side-nav-box{
    background:#fff;border-radius:16px;padding:24px 18px;
    box-shadow:0 1px 3px rgba(0,0,0,.06);
}
.side-nav-title{font-size:17px;font-weight:800;color:#0f172a;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid #f1f5f9}
.nav-list{list-style:none}
.nav-list li{margin-bottom:2px}
.nav-list a{
    display:block;padding:10px 14px;border-radius:10px;font-size:14px;color:#475569;
    transition:all .25s;font-weight:500;
}
.nav-list a:hover{background:#eff6ff;color:#2563eb;transform:translateX(4px)}
.nav-list a.active{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}

/* ========== 右侧主内容 ========== */
.main-content{flex:1;min-width:0}

/* ---------- 联系方式大卡片 ---------- */
.contact-hero{
    background:#fff;border-radius:20px;padding:48px 44px;margin-bottom:28px;
    text-align:center;
    box-shadow:0 4px 24px rgba(0,0,0,.06);
    position:relative;overflow:hidden;
}
.contact-hero::before{
    content:'';position:absolute;top:0;left:0;right:0;height:4px;
    background:linear-gradient(90deg,#2563eb,#7c3aed,#2563eb);
    background-size:200% 100%;animation:flowLine 3s linear infinite;
}
@keyframes flowLine{to{background-position:-200% 0}}
.contact-hero h2{font-size:30px;font-weight:900;color:#0f172a;margin-bottom:10px}
.contact-hero .sub{font-size:16px;color:#64748b;margin-bottom:32px}

/* QQ 联系区 */
.qq-contact{
    display:inline-flex;align-items:center;gap:16px;
    background:#eff6ff;padding:16px 32px;border-radius:16px;
    border:2px dashed #bfdbfe;margin-bottom:28px;transition:.25s;
}
.qq-contact:hover{background:#dbeafe;transform:translateY(-2px)}
.qq-icon{
    width:52px;height:52px;border-radius:50%;
    background:linear-gradient(135deg,#12b7f5,#0ea5e9);
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:22px;font-weight:900;
}
.qq-text{text-align:left}
.qq-text .label{font-size:12px;color:#64748b}
.qq-text .val{font-size:18px;font-weight:800;color:#0c4a6e}

/* ---------- 二维码区域 ---------- */
.qr-section{
    display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px;
}
.qr-card{
    background:#fff;border-radius:18px;padding:28px;text-align:center;
    box-shadow:0 2px 12px rgba(0,0,0,.04);
    transition:transform .25s,box-shadow .25s;border:1px solid #f1f5f9;
}
.qr-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.1)}
.qr-card img{
    width:160px;height:160px;object-fit:cover;border-radius:14px;
    margin-bottom:14px;border:3px solid #f1f5f9;
}
.qr-card h4{font-size:16px;font-weight:700;color:#0f172a;margin-bottom:4px}
.qr-card p{font-size:13px;color:#64748b}
.qr-card .wx-id{
    display:inline-block;background:linear-gradient(135deg,#2563eb,#7c3aed);
    color:#fff;padding:4px 16px;border-radius:20px;font-size:13px;font-weight:700;margin-top:10px;

/* ---------- 服务说明 ---------- */
.service-note{
    background:#fff;border-radius:18px;padding:32px;margin-bottom:28px;
    box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.service-note h3{font-size:19px;font-weight:800;color:#0f172a;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.service-note h3::before{
    content:'';width:4px;height:22px;border-radius:2px;
    background:linear-gradient(to bottom,#2563eb,#7c3aed);
}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.note-item{
    display:flex;align-items:center;gap:12px;
    padding:14px 18px;border-radius:12px;background:#f8fafc;
    border-left:3px solid #2563eb;transition:.25s;font-size:14px;color:#475569;
}
.note-item:nth-child(2n){border-left-color:#7c3aed}
.note-item:nth-child(3n){border-left-color:#16a34a}
.note-item:hover{background:#eff6ff;transform:translateX(4px)}
.note-dot{
    width:8px;height:8px;border-radius:50%;background:#2563eb;flex-shrink:0;
}

/* ---------- 栏目导航区 ---------- */
.category-section{background:#fff;border-radius:18px;padding:28px;margin-bottom:28px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.category-section h3{font-size:19px;font-weight:800;color:#0f172a;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.category-section h3::before{content:'';width:4px;height:22px;border-radius:2px;background:linear-gradient(to bottom,#2563eb,#7c3aed)}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tag{
    display:inline-block;padding:8px 18px;border-radius:20px;font-size:13px;
    background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;
    transition:all .25s;font-weight:500;
}
.cat-tag:hover{background:#2563eb;color:#fff;border-color:#2563eb;transform:translateY(-2px)}

/* ---------- 返回按钮 ---------- */
.back-btn-wrap{text-align:center;margin-top:10px}
.back-btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 40px;border-radius:30px;
    background:linear-gradient(135deg,#2563eb,#7c3aed);
    color:#fff;font-size:16px;font-weight:700;border:none;
    cursor:pointer;transition:all .25s;
}
.back-btn:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(37,99,235,.35)}

/* ==================== 页脚 ==================== */
.site-footer{
    background:#0f172a;color:#64748b;
    padding:50px 0 0;
    position:relative;overflow:hidden;
}
.footer-glow{
    position:absolute;top:0;left:0;right:0;
    height:3px;
    background:linear-gradient(90deg,#2563eb,#7c3aed,#ec4899,#f97316,#2563eb);
    background-size:200% 100%;
    animation:gradient-shift 5s linear infinite;
}
@keyframes gradient-shift{to{background-position:200% 0}}

.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:14px;font-size:22px;font-weight:900}
.footer-brand p{font-size:14px;color:#64748b;line-height:1.7;max-width:300px}
.footer-col h4{color:#e2e8f0;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#94a3b8;font-size:14px;transition:.25s}
.footer-col ul li a:hover{color:#fff}

.footer-bottom{
    border-top:1px solid #1e293b;
    padding:22px 0;
    text-align:center;font-size:13px;color:#475569;
}
.footer-bottom a{color:#64748b}
.footer-bottom a:hover{color:#93c5fa}

/* ==================== 悬浮侧栏 ==================== */
.float-bar{
    position:fixed;right:20px;bottom:80px;z-index:999;
    display:flex;flex-direction:column;gap:8px;
}
.float-bar a{
    display:flex;align-items:center;justify-content:center;
    width:52px;height:52px;border-radius:14px;
    background:#fff;color:#475569;font-size:12px;
    box-shadow:0 4px 16px rgba(0,0,0,.1);
    transition:all .3s ease;font-weight:600;
    writing-mode:vertical-lr;
}
.float-bar a:hover{
    background:#2563eb;color:#fff;
    transform:translateX(-4px);
}

/* ===== About.asp ===== */

/* ========== 重置 & 基础 ========== */
*{margin:0;padding:0;box-sizing:border-box}
body{
    font-family:PingFang SC,"Microsoft YaHei",Arial,sans-serif;
    background:#f0f2f5;color:#334155;line-height:1.6;
    min-width:1200px;
}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;border-radius:10px}

/* ========== 顶部信息条 ========== */
.top-bar{background:#0f172a;height:36px;line-height:36px;color:#94a3b8;font-size:12px}
.top-bar-inner{max-width:1380px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px}
.top-bar a:hover{color:#60a5fa}
.top-links a{margin-left:18px}

/* ========== 主导航 ========== */
.main-header{background:#fff;height:68px;position:sticky;top:0;z-index:1000;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.header-inner{max-width:1380px;margin:0 auto;display:flex;align-items:center;height:100%;padding:0 20px;gap:40px}
.logo{font-size:26px;font-weight:900;color:#2563eb;letter-spacing:-.5px}
.logo span{color:#7c3aed}
.nav-menu{display:flex;gap:4px;flex:1}
.nav-menu a{padding:8px 16px;border-radius:8px;font-size:15px;font-weight:500;color:#475569;transition:all .25s}
.nav-menu a:hover,.nav-menu a.active{background:#eff6ff;color:#2563eb}
.search-box{display:flex;align-items:center;background:#f1f5f9;border-radius:24px;padding:5px 5px 5px 18px;width:240px;border:1.5px solid transparent;transition:.25s}
.search-box:focus-within{border-color:#2563eb;background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:13px;color:#334155}
.search-box button{width:34px;height:34px;border-radius:50%;border:none;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;cursor:pointer;font-size:14px;font-weight:bold;transition:transform .25s}
.search-box button:hover{transform:scale(1.05)}

/* ========== Hero Banner ========== */
.hero-banner{background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);padding:70px 20px;text-align:center;position:relative;overflow:hidden}
.hero-banner::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 25% 35%,rgba(37,99,235,.15),transparent 50%),radial-gradient(circle at 75% 65%,rgba(124,58,237,.12),transparent 50%)}
.hero-banner h1{font-size:42px;color:#fff;font-weight:900;position:relative;z-index:1;margin-bottom:16px;letter-spacing:-.5px}
.hero-banner p{font-size:17px;color:#94a3b8;position:relative;z-index:1;max-width:600px;margin:0 auto}
.hero-badge{display:inline-block;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:6px 22px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:24px;position:relative;z-index:1}

/* ========== 主容器 ========== */
.container{max-width:1380px;margin:0 auto;padding:40px 20px;display:flex;gap:30px}

/* ========== 左侧栏目导航 ========== */
.side-nav{width:230px;flex-shrink:0;position:sticky;top:88px;align-self:flex-start}
.side-nav-box{background:#fff;border-radius:16px;padding:24px 18px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.side-nav-title{font-size:17px;font-weight:800;color:#0f172a;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid #f1f5f9}
.nav-list{list-style:none}
.nav-list li{margin-bottom:2px}
.nav-list a{display:block;padding:10px 14px;border-radius:10px;font-size:14px;color:#475569;transition:all .25s;font-weight:500}
.nav-list a:hover{background:#eff6ff;color:#2563eb;transform:translateX(4px)}
.nav-list a.active{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}

/* ========== 右侧主内容 ========== */
.main-content{flex:1;min-width:0}

/* ---------- 关于卡片 ---------- */
.about-card{background:#fff;border-radius:20px;padding:48px;margin-bottom:28px;box-shadow:0 4px 24px rgba(0,0,0,.06);position:relative;overflow:hidden}
.about-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#2563eb,#7c3aed,#2563eb);background-size:200% 100%;animation:flowLine 3s linear infinite}
@keyframes flowLine{to{background-position:-200% 0}}
.about-card h2{font-size:30px;font-weight:900;color:#0f172a;margin-bottom:6px}
.about-card .sub-title{font-size:15px;color:#64748b;margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid #f1f5f9}

.about-intro{font-size:16px;color:#475569;line-height:2;margin-bottom:36px;text-align:justify;text-indent:2em}

/* 特性网格 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
.feature-item{
    background:#f8fafc;border-radius:16px;padding:28px 22px;
    text-align:center;border:1px solid #e2e8f0;
    transition:all .25s;
}
.feature-item:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(37,99,235,.12);border-color:#bfdbfe}
.feature-icon{
    width:60px;height:60px;border-radius:16px;margin:0 auto 16px;
    display:flex;align-items:center;justify-content:center;
    font-size:26px;font-weight:900;color:#fff;
}
.feature-item:nth-child(1) .feature-icon{background:linear-gradient(135deg,#2563eb,#3b82f6)}
.feature-item:nth-child(2) .feature-icon{background:linear-gradient(135deg,#7c3aed,#a855f7)}
.feature-item:nth-child(3) .feature-icon{background:linear-gradient(135deg,#16a34a,#22c55e)}
.feature-item:nth-child(4) .feature-icon{background:linear-gradient(135deg,#ea580c,#f97316)}
.feature-item:nth-child(5) .feature-icon{background:linear-gradient(135deg,#e11d48,#f43f5e)}
.feature-item:nth-child(6) .feature-icon{background:linear-gradient(135deg,#0891b2,#06b6d4)}
.feature-item h4{font-size:16px;font-weight:700;color:#0f172a;margin-bottom:8px}
.feature-item p{font-size:13px;color:#64748b;line-height:1.7}

/* 服务列表区 */
.service-list-card{background:#fff;border-radius:18px;padding:32px;margin-bottom:28px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.service-list-card h3{font-size:19px;font-weight:800;color:#0f172a;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.service-list-card h3::before{content:'';width:4px;height:22px;border-radius:2px;background:linear-gradient(to bottom,#2563eb,#7c3aed)}
.service-list{list-style:none}
.service-list li{
    display:flex;align-items:flex-start;gap:12px;
    padding:14px 18px;border-radius:12px;
    margin-bottom:8px;transition:.25s;font-size:15px;color:#475569;
}
.service-list li:hover{background:#eff6ff;transform:translateX(4px)}
.s-dot{width:8px;height:8px;border-radius:50%;background:#2563eb;flex-shrink:0;margin-top:7px}

/* 联系卡片区 */
.contact-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-bottom:28px}
.contact-mini{
    background:#fff;border-radius:16px;padding:28px;text-align:center;
    box-shadow:0 2px 12px rgba(0,0,0,.04);
    border:1px solid #f1f5f9;transition:all .25s;
}
.contact-mini:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.1)}
.contact-mini .cm-icon{
    width:52px;height:52px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:20px;font-weight:900;color:#fff;margin:0 auto 14px;
}
.contact-mini:nth-child(1) .cm-icon{background:linear-gradient(135deg,#12b7f5,#0ea5e9)}
.contact-mini:nth-child(2) .cm-icon{background:linear-gradient(135deg,#16a34a,#22c55e)}
.contact-mini:nth-child(3) .cm-icon{background:linear-gradient(135deg,#7c3aed,#a855f7)}
.contact-mini h4{font-size:15px;font-weight:700;color:#0f172a;margin-bottom:6px}
.contact-mini p{font-size:13px;color:#64748b}
.contact-mini .val{font-size:17px;font-weight:800;color:#0f172a;margin-top:4px}

/* 栏目导航 */
.category-section{background:#fff;border-radius:18px;padding:28px;margin-bottom:28px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.category-section h3{font-size:19px;font-weight:800;color:#0f172a;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.category-section h3::before{content:'';width:4px;height:22px;border-radius:2px;background:linear-gradient(to bottom,#2563eb,#7c3aed)}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tag{display:inline-block;padding:8px 18px;border-radius:20px;font-size:13px;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;transition:all .25s;font-weight:500}
.cat-tag:hover{background:#2563eb;color:#fff;border-color:#2563eb;transform:translateY(-2px)}

/* 返回按钮 */
.back-btn-wrap{text-align:center;margin-top:10px}
.back-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 40px;border-radius:30px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-size:16px;font-weight:700;border:none;cursor:pointer;transition:all .25s}
.back-btn:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(37,99,235,.35)}

/* ==================== 页脚 ==================== */
.site-footer{background:#0f172a;color:#64748b;padding:50px 0 0;position:relative;overflow:hidden}
.footer-glow{position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2563eb,#7c3aed,#ec4899,#f97316,#2563eb);background-size:200% 100%;animation:gradient-shift 5s linear infinite}
@keyframes gradient-shift{to{background-position:200% 0}}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:14px;font-size:22px;font-weight:900}
.footer-brand p{font-size:14px;color:#64748b;line-height:1.7;max-width:300px}
.footer-col h4{color:#e2e8f0;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#94a3b8;font-size:14px}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;padding:22px 0;text-align:center;font-size:13px;color:#475569}
.footer-bottom a{color:#64748b}
.footer-bottom a:hover{color:#93c5fa}

/* 悬浮侧栏 */
.float-bar{position:fixed;right:20px;bottom:80px;z-index:999;display:flex;flex-direction:column;gap:8px}
.float-bar a{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:#fff;color:#475569;font-size:12px;box-shadow:0 4px 16px rgba(0,0,0,.1);transition:all .3s ease;font-weight:600;writing-mode:vertical-lr}
.float-bar a:hover{background:#2563eb;color:#fff;transform:translateX(-4px)}

/* ===== Link.asp ===== */

/* ========== 重置 & 基础 ========== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:PingFang SC,"Microsoft YaHei",Arial,sans-serif;background:#f0f2f5;color:#334155;line-height:1.6;min-width:1200px}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;border-radius:10px}

/* ========== 顶部信息条 ========== */
.top-bar{background:#0f172a;height:36px;line-height:36px;color:#94a3b8;font-size:12px}
.top-bar-inner{max-width:1380px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px}
.top-bar a:hover{color:#60a5fa}.top-links a{margin-left:18px}

/* ========== 主导航 ========== */
.main-header{background:#fff;height:68px;position:sticky;top:0;z-index:1000;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.header-inner{max-width:1380px;margin:0 auto;display:flex;align-items:center;height:100%;padding:0 20px;gap:40px}
.logo{font-size:26px;font-weight:900;color:#2563eb;letter-spacing:-.5px}
.logo span{color:#7c3aed}
.nav-menu{display:flex;gap:4px;flex:1}
.nav-menu a{padding:8px 16px;border-radius:8px;font-size:15px;font-weight:500;color:#475569;transition:all .25s}
.nav-menu a:hover,.nav-menu a.active{background:#eff6ff;color:#2563eb}
.search-box{display:flex;align-items:center;background:#f1f5f9;border-radius:24px;padding:5px 5px 5px 18px;width:240px;border:1.5px solid transparent;transition:.25s}
.search-box:focus-within{border-color:#2563eb;background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:13px;color:#334155}
.search-box button{width:34px;height:34px;border-radius:50%;border:none;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;cursor:pointer;font-size:14px;font-weight:bold;transition:transform .25s}
.search-box button:hover{transform:scale(1.05)}

/* ========== Hero Banner ========== */
.hero-banner{background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);padding:70px 20px;text-align:center;position:relative;overflow:hidden}
.hero-banner::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 25% 35%,rgba(37,99,235,.15),transparent 50%),radial-gradient(circle at 75% 65%,rgba(124,58,237,.12),transparent 50%)}
.hero-banner h1{font-size:42px;color:#fff;font-weight:900;position:relative;z-index:1;margin-bottom:16px;letter-spacing:-.5px}
.hero-banner p{font-size:17px;color:#94a3b8;position:relative;z-index:1;max-width:600px;margin:0 auto}
.hero-badge{display:inline-block;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:6px 22px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:24px;position:relative;z-index:1}

/* ========== 主容器 ========== */
.container{max-width:1380px;margin:0 auto;padding:40px 20px;display:flex;gap:30px}

/* ========== 左侧栏目导航 ========== */
.side-nav{width:230px;flex-shrink:0;position:sticky;top:88px;align-self:flex-start}
.side-nav-box{background:#fff;border-radius:16px;padding:24px 18px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.side-nav-title{font-size:17px;font-weight:800;color:#0f172a;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid #f1f5f9}
.nav-list{list-style:none}
.nav-list li{margin-bottom:2px}
.nav-list a{display:block;padding:10px 14px;border-radius:10px;font-size:14px;color:#475569;transition:all .25s;font-weight:500}
.nav-list a:hover{background:#eff6ff;color:#2563eb;transform:translateX(4px)}
.nav-list a.active{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}

/* ========== 右侧主内容 ========== */
.main-content{flex:1;min-width:0}

/* ---------- 联系方式区 ---------- */
.contact-section{background:#fff;border-radius:20px;padding:44px;margin-bottom:28px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.06);position:relative;overflow:hidden}
.contact-section::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#2563eb,#7c3aed,#2563eb);background-size:200% 100%;animation:flowLine 3s linear infinite}
@keyframes flowLine{to{background-position:-200% 0}}
.contact-section h2{font-size:28px;font-weight:900;color:#0f172a;margin-bottom:6px}
.contact-section .sub{font-size:15px;color:#64748b;margin-bottom:28px}

.qq-row{
    display:inline-flex;align-items:center;gap:16px;
    background:#eff6ff;padding:14px 28px;border-radius:16px;
    border:2px dashed #bfdbfe;margin-bottom:30px;transition:.25s;
}
.qq-row:hover{background:#dbeafe;transform:translateY(-2px)}
.qq-icon{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#12b7f5,#0ea5e9);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:900}
.qq-text .label{font-size:12px;color:#64748b}
.qq-text .val{font-size:17px;font-weight:800;color:#0c4a6e}

/* ---------- 二维码 ---------- */
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px}
.qr-card{background:#fff;border-radius:18px;padding:26px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.04);border:1px solid #f1f5f9;transition:all .25s}
.qr-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.1)}
.qr-card img{width:150px;height:150px;object-fit:cover;border-radius:14px;margin-bottom:12px;border:3px solid #f1f5f9}
.qr-card h4{font-size:15px;font-weight:700;color:#0f172a;margin-bottom:4px}
.qr-card p{font-size:13px;color:#64748b}
.qr-card .wx-id{display:inline-block;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:4px 16px;border-radius:20px;font-size:13px;font-weight:700;margin-top:8px}

/* ---------- 服务说明 ---------- */
.service-note{background:#fff;border-radius:18px;padding:32px;margin-bottom:28px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.service-note h3{font-size:19px;font-weight:800;color:#0f172a;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.service-note h3::before{content:'';width:4px;height:22px;border-radius:2px;background:linear-gradient(to bottom,#2563eb,#7c3aed)}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.note-item{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:12px;background:#f8fafc;border-left:3px solid #2563eb;transition:.25s;font-size:14px;color:#475569}
.note-item:nth-child(2n){border-left-color:#7c3aed}.note-item:nth-child(3n){border-left-color:#16a34a}
.note-item:hover{background:#eff6ff;transform:translateX(4px)}
.note-dot{width:8px;height:8px;border-radius:50%;background:#2563eb;flex-shrink:0}

/* ---------- 友情链接区 ---------- */
.link-section{background:#fff;border-radius:18px;padding:32px;margin-bottom:28px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.link-section h3{font-size:19px;font-weight:800;color:#0f172a;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.link-section h3::before{content:'';width:4px;height:22px;border-radius:2px;background:linear-gradient(to bottom,#2563eb,#7c3aed)}

/* 推荐链接卡片 */
.recommend-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.rec-link{
    display:block;padding:22px 18px;border-radius:14px;
    background:linear-gradient(135deg,#f8fafc,#f1f5f9);
    border:1px solid #e2e8f0;text-align:center;
    transition:all .25s;
}
.rec-link:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(37,99,235,.15);border-color:#bfdbfe}
.rec-link .rec-icon{font-size:28px;font-weight:900;margin-bottom:8px}
.rec-link:nth-child(1) .rec-icon{color:#2563eb}
.rec-link:nth-child(2) .rec-icon{color:#7c3aed}
.rec-link:nth-child(3) .rec-icon{color:#16a34a}
.rec-link:nth-child(4) .rec-icon{color:#ea580c}
.rec-link h4{font-size:14px;font-weight:700;color:#0f172a}
.rec-link p{font-size:12px;color:#94a3b8;margin-top:4px}

/* 栏目标签云 */
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tag{display:inline-block;padding:8px 18px;border-radius:20px;font-size:13px;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;transition:all .25s;font-weight:500}
.cat-tag:hover{background:#2563eb;color:#fff;border-color:#2563eb;transform:translateY(-2px)}

/* 返回按钮 */
.back-btn-wrap{text-align:center;margin-top:10px}
.back-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 40px;border-radius:30px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-size:16px;font-weight:700;border:none;cursor:pointer;transition:all .25s}
.back-btn:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(37,99,235,.35)}

/* ==================== 页脚 ==================== */
.site-footer{background:#0f172a;color:#64748b;padding:50px 0 0;position:relative;overflow:hidden}
.footer-glow{position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2563eb,#7c3aed,#ec4899,#f97316,#2563eb);background-size:200% 100%;animation:gradient-shift 5s linear infinite}
@keyframes gradient-shift{to{background-position:200% 0}}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:14px;font-size:22px;font-weight:900}
.footer-brand p{font-size:14px;color:#64748b;line-height:1.7;max-width:300px}
.footer-col h4{color:#e2e8f0;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#94a3b8;font-size:14px}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;padding:22px 0;text-align:center;font-size:13px;color:#475569}
.footer-bottom a{color:#64748b}
.footer-bottom a:hover{color:#93c5fa}

/* 悬浮侧栏 */
.float-bar{position:fixed;right:20px;bottom:80px;z-index:999;display:flex;flex-direction:column;gap:8px}
.float-bar a{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:#fff;color:#475569;font-size:12px;box-shadow:0 4px 16px rgba(0,0,0,.1);transition:all .3s ease;font-weight:600;writing-mode:vertical-lr}
.float-bar a:hover{background:#2563eb;color:#fff;transform:translateX(-4px)}