/* ============================================================
   common.css - 网站公共样式
   包含：全局重置、导航、Banner、标题、底部、浮动侧栏、CTA、响应式
   ============================================================ */

/* 1. 全局变量与重置 */
*{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:hidden;scroll-behavior:smooth}
body{width:100%;min-width:320px;margin:0 auto;font-family:"Microsoft Yahei","PingFang SC","Helvetica Neue",sans-serif;background:#fff;overflow-x:hidden;color:#333;font-size:16px}
img{border:none;display:block;max-width:100%}
a{color:#333;text-decoration:none;-webkit-tap-highlight-color:transparent}
[class*="card"]{transition:transform 0.35s ease,box-shadow 0.35s ease}
[class*="card"]:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
input,textarea,select{font-family:"Microsoft Yahei";outline:none}
ul,ol{list-style:none}
.contain{width:1420px;margin:0 auto}
:root{--primary:#0052cc;--primary-hover:#0040a0;--dark:#1a1a2e;--gray-bg:#f7f7f7;--text-dark:#191919;--text-mid:#545353;--text-light:#999;--gold:#ff7a1a;--gold-hover:#e06800;--gold-light:rgba(255,122,26,0.12);--card-shadow:0 2px 12px rgba(0,0,0,0.04);--card-shadow-hover:0 12px 40px rgba(0,0,0,0.07)}

/* 2. 导航 */
.pulic_head_cont_bg{width:100%;height:122px}
.pulic_head_cont{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:30px 0;background:rgba(255,255,255,0.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 4px 30px rgba(0,0,0,0.06)}
.pulic_head_cont .contain{display:flex;align-items:center;justify-content:space-between}
.pulic_head_cont .logo{display:flex;align-items:center}
.pulic_head_cont .logo img{display:block;height:42px}
.pulic_head_cont .logo .txt{padding-left:14px;margin-left:20px;border-left:1px solid #e8e8e8;font-size:17px;color:#333333}
.pulic_head_cont .r_cont{display:flex;align-items:center}
.pulic_head_cont .nav_dl{display:flex}
.pulic_head_cont .nav_dl .li{position:relative;padding:18px 14px;margin:0 15px;font-size:18px;cursor:pointer}
.pulic_head_cont .nav_dl .li>a{position:relative}.pulic_head_cont .nav_dl .li>a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--gold);transition:width 0.3s ease;border-radius:1px}.pulic_head_cont .nav_dl .li:hover>a{color:var(--gold)}.pulic_head_cont .nav_dl .li:hover>a::after{width:100%}
.pulic_head_cont .nav_dl .li .bit_dl{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;box-shadow:0 5px 20px rgba(0,0,0,0.1);border-radius:8px;padding:12px 0;min-width:160px;z-index:100}
.pulic_head_cont .nav_dl .li:hover .bit_dl{display:block}
.pulic_head_cont .nav_dl .li .bit_dl .dd{display:block;padding:10px 24px;font-size:15px;color:#333}
.pulic_head_cont .nav_dl .li .bit_dl .dd:hover{color:var(--gold);background:#f9f9f9}
.pulic_head_cont .real_tel{margin:0 30px}
.pulic_head_cont .real_tel h2{font-size:22px;color:var(--gold);display:flex;align-items:center;gap:6px}
.pulic_head_cont .real_tel h2 img{width:20px;height:20px}
.pulic_head_cont .real_tel p{font-size:13px;color:#999;text-align:right}
.pulic_head_cont .real_btn{padding:12px 32px;background:var(--gold);color:#fff;border-radius:6px;font-size:16px;cursor:pointer;transition:background 0.3s}
.pulic_head_cont .real_btn{position:relative;overflow:hidden}.pulic_head_cont .real_btn:hover{background:var(--gold-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,107,0,0.25)}
.phone_menu_btn{display:none;cursor:pointer;z-index:1001}
.phone_menu_btn .line{width:28px;height:3px;background:#333;margin:5px 0;border-radius:2px;transition:all 0.3s}
.phone_menu_btn.open .line:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.phone_menu_btn.open .line:nth-child(2){opacity:0}
.phone_menu_btn.open .line:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
.phone_side_mask{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;background:rgba(0,0,0,0.5)}
.phone_side_menu{display:none;position:fixed;top:0;right:-280px;width:280px;height:100%;z-index:10000;background:#fff;box-shadow:-4px 0 20px rgba(0,0,0,0.15);transition:right 0.3s ease;padding:80px 0 30px;overflow-y:auto}
.phone_side_menu.open{right:0;display:block}
.phone_side_menu .side-li{display:block;padding:16px 28px;font-size:17px;color:#333;border-bottom:1px solid #f0f0f0;text-decoration:none}
.phone_side_menu .side-li:hover{color:#ff6b00;background:#fafafa}
.phone_side_sub{padding-left:28px}
.phone_side_sub .side-li{font-size:15px;padding:12px 20px;border-bottom:none}

/* 3. Banner (子页面通用) */
.page-banner{height:520px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;position:relative;overflow:hidden}
.page-banner .banner-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.page-banner .banner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(10,22,40,0.75),rgba(0,82,204,0.45))}
.page-banner .banner-content{position:relative;z-index:2}
.page-banner .banner-content h1{font-size:48px;font-weight:700;margin-bottom:16px;text-shadow:0 2px 10px rgba(0,0,0,0.3)}
.page-banner .banner-content p{font-size:20px;opacity:0.9;max-width:600px;margin:0 auto;line-height:1.6}
@keyframes bannerFadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.page-banner .banner-content h1{animation:bannerFadeUp 0.7s ease-out both}
.page-banner .banner-content p{animation:bannerFadeUp 0.7s ease-out 0.2s both}

/* 4. 通用标题 */
.title_head{text-align:center;margin-bottom:50px}
.title_head h2{font-size:36px;font-weight:700;color:var(--text-dark);position:relative;padding-bottom:18px}
.title_head h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--gold);border-radius:2px}
.title_head p{font-size:18px;color:var(--text-mid);margin-top:14px;line-height:1.6}
.title_head .sub-gold{color:var(--gold);font-weight:600}

/* 5. 底部 */
.pulic_foot_cont{padding:80px 0 30px;background:var(--gray-bg)}
.pulic_foot_cont .tis_content{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.contact_last .title_h{font-size:22px;font-weight:700;color:var(--text-dark);margin-bottom:16px;padding-bottom:10px;border-bottom:3px solid var(--gold);display:inline-block}
.contact_last .dl{display:flex;flex-direction:column;gap:6px}
.contact_last .dl .dt{font-size:17px;font-weight:700;color:var(--text-dark);margin-bottom:0}
.contact_last .dl .dd{font-size:15px;color:var(--text-mid);line-height:1.6;padding-left:0;display:flex;align-items:flex-start;gap:8px}
.contact_last .dl .dd .label{display:inline-block;min-width:72px;font-weight:600;color:var(--text-dark);flex-shrink:0}
.contact_last .dl .dd .val{color:var(--text-mid)}
.contact_last .dl .dd.tel .val{color:var(--gold);font-weight:700;font-size:20px;letter-spacing:1px}
.r_cont .code_last{display:flex;gap:40px;margin-bottom:24px;justify-content:center}
.r_cont .code_last .list{text-align:center;transition:transform 0.3s}
.r_cont .code_last .list:hover{transform:translateY(-3px)}
.r_cont .code_last .list .tis_i{width:140px;height:140px;overflow:hidden;border-radius:10px;border:1px solid #e8e8e8;display:flex;align-items:center;justify-content:center;background:#fff;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.r_cont .code_last .list .tis_i img{max-width:100%;max-height:100%;object-fit:contain}
.r_cont .code_last .list .txt{font-size:14px;color:#555;margin-top:10px;font-weight:500}
.bit_copy{text-align:center;padding-top:30px;margin-top:40px;border-top:1px solid #e0e0e0;font-size:14px;color:var(--text-light)}

/* 6. 浮动侧栏 */
.pulic_floor_cont{position:fixed;right:20px;bottom:120px;z-index:999;display:flex;flex-direction:column;gap:4px}
.pulic_floor_cont .li{width:50px;height:50px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(0,0,0,0.08);cursor:pointer;position:relative;transition:all 0.3s}
.pulic_floor_cont .li:hover{background:var(--gold);transform:scale(1.1)}
.pulic_floor_cont .li:hover svg{fill:#fff;stroke:#fff}
.pulic_floor_cont .li .det_cont{display:none;position:absolute;right:60px;top:50%;transform:translateY(-50%);background:#fff;padding:15px;border-radius:8px;box-shadow:0 5px 20px rgba(0,0,0,0.1);min-width:160px;text-align:center}
.pulic_floor_cont .li .det_cont img{width:120px;height:120px;object-fit:contain;margin-bottom:8px;border:1px solid #eee;border-radius:4px}
.pulic_floor_cont .li .det_cont h2{font-size:16px;color:var(--gold);white-space:nowrap}
.pulic_floor_cont .li .det_cont p{font-size:13px;color:#999;margin-top:4px;white-space:nowrap}
.pulic_floor_cont .li:hover .det_cont{display:block}
.floor_return_btn{position:fixed;right:20px;bottom:15px;z-index:999;width:42px;height:42px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,0.1);cursor:pointer;transition:all 0.3s}
.floor_return_btn:hover{background:var(--gold);transform:scale(1.1)}
.floor_return_btn:hover svg{fill:#fff}
.floor_return_btn svg{width:20px;height:20px;fill:#666}

/* 7. CTA区块（子页面通用） */
.section-cta{padding:80px 0;background:linear-gradient(135deg,#ff6b00,#e05a00);color:#fff;text-align:center}
.section-cta h2{font-size:36px;font-weight:700;margin-bottom:12px}
.section-cta p{font-size:18px;opacity:0.9;margin-bottom:30px}
.cta-buttons{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.cta-btn-primary{padding:16px 48px;border-radius:30px;background:linear-gradient(135deg,#fff,#fff8f0);color:var(--gold);font-size:18px;font-weight:700;border:2px solid var(--gold);cursor:pointer;transition:all 0.3s}
.cta-btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(255,107,0,0.2)}
.cta-btn-secondary{padding:16px 48px;border-radius:30px;background:linear-gradient(135deg,var(--gold),var(--gold-hover));color:#fff;font-size:18px;font-weight:700;border:none;cursor:pointer;transition:all 0.3s;box-shadow:0 4px 15px rgba(255,107,0,0.3)}
.cta-btn-secondary:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(255,107,0,0.4)}

/* 8. 响应式媒体查询（公共部分） */
@media(max-width:1440px){.contain{width:95%}}
@media(max-width:1024px){
.pulic_foot_cont .tis_content{grid-template-columns:1fr;gap:20px}
.r_cont .code_last{justify-content:center}
}
@media(max-width:768px){
body{font-size:14px}
.pulic_head_cont_bg{height:60px}
.pulic_head_cont{padding:12px 0;background:rgba(255,255,255,0.95)}
.pulic_head_cont .r_cont .nav_dl,.pulic_head_cont .r_cont .real_tel,.pulic_head_cont .r_cont .real_btn{display:none}
.pulic_head_cont .contain .logo .txt{display:block;font-size:14px;margin-left:12px;padding-left:10px}
.pulic_head_cont .contain .logo .txt p{font-size:13px!important;line-height:1.3}
.pulic_head_cont .logo img{height:30px}
.phone_menu_btn{display:block!important}
.page-banner{height:360px!important}
.page-banner .banner-content h1{font-size:30px}
.page-banner .banner-content p{font-size:16px}
.pulic_floor_cont{right:8px}
.pulic_floor_cont .li{width:38px;height:38px}
.floor_return_btn{right:8px;width:32px;height:32px}
.r_cont .code_last{gap:24px}
.r_cont .code_last .list .tis_i{width:120px;height:120px}
.r_cont .code_last .list .txt{font-size:13px}
.contact_last .title_h{font-size:18px}
.contact_last .dl .dd{font-size:13px}
.contact_last .dl .dd .label{min-width:56px}
.contact_last .dl .dd.tel .val{font-size:17px}
.pulic_foot_cont{padding:40px 0 15px}
.bit_copy{font-size:12px;padding-top:20px;margin-top:24px}
.section-cta h2{font-size:28px}
.section-cta p{font-size:15px}
.cta-btn-primary,.cta-btn-secondary{padding:14px 32px;font-size:16px;display:block;width:80%}
}
@media(max-width:480px){
.page-banner{height:280px!important}
.page-banner .banner-content h1{font-size:26px}
}