/* 🦞 Jiangjling Signage - English Version Styles */
*{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:-apple-system,BlinkMacSystemFont,'Segoe UI','Helvetica Neue',Arial,sans-serif;background:#fff;overflow-x:hidden;color:#333;font-size:16px;line-height:1.6}
img{border:none;display:block;max-width:100%}
a{color:#333;text-decoration:none;-webkit-tap-highlight-color:transparent}
input,textarea,select{font-family:inherit;outline:none}
ul,ol{list-style:none}
.contain{width:1420px;margin:0 auto;max-width:100%;padding:0 20px}
:root{--primary:#0052cc;--primary-hover:#0040a0;--dark:#1a1a2e;--gray-bg:#f7f7f7;--text-dark:#191919;--text-mid:#545353;--text-light:#999;--gold:#ff6b00;--gold-hover:#e05a00}

/* ===== Navigation ===== */
.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:#fff;box-shadow:0 10px 10px rgba(0,0,0,0.05)}
.pulic_head_cont .contain{display:flex;align-items:center;justify-content:space-between}
.pulic_head_cont .logo{display:flex;align-items:center;flex-shrink:0}
.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:#333;line-height:1.3}
.pulic_head_cont .logo .txt p:first-child{font-weight:700;font-size:18px}
.pulic_head_cont .logo .txt p:last-child{font-size:13px;color:#999;margin-top:2px}
.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:17px;cursor:pointer;white-space:nowrap}
.pulic_head_cont .nav_dl .li a{color:#333;transition:color 0.3s}
.pulic_head_cont .nav_dl .li a.active{color:var(--gold)}
.pulic_head_cont .nav_dl .li:hover>a{color:var(--gold)}
.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;white-space:nowrap}
.pulic_head_cont .nav_dl .li .bit_dl .dd:hover{color:var(--gold);background:#f9f9f9}
.pulic_head_cont .real_tel{margin:0 30px;flex-shrink:0}
.pulic_head_cont .real_tel h2{font-size:22px;color:var(--gold);display:flex;align-items:center;gap:6px}
.pulic_head_cont .real_tel p{font-size:12px;color:#999;text-align:right;margin-top:1px}
.pulic_head_cont .real_btn{padding:12px 32px;background:var(--gold);color:#fff;border-radius:6px;font-size:15px;cursor:pointer;transition:background 0.3s;flex-shrink:0;white-space:nowrap}
.pulic_head_cont .real_btn:hover{background:var(--gold-hover)}
.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}
.phone_side_menu .side-li:hover{color:var(--gold);background:#fafafa}
.phone_side_sub{padding-left:28px}
.phone_side_sub .side-li{font-size:15px;padding:12px 20px;border-bottom:none}

/* ===== Page Banner ===== */
.page-banner{height:460px;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(10,22,40,0.78),rgba(0,82,204,0.48))}
.page-banner .banner-content{position:relative;z-index:2;padding:0 20px}
.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:650px;margin:0 auto;line-height:1.6}

/* ===== Section Title ===== */
.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:17px;color:var(--text-mid);margin-top:14px;line-height:1.6}
.title_head .sub-gold{color:var(--gold);font-weight:600}

/* ===== Footer ===== */
.pulic_foot_cont{background:#1a1a2e;color:#ccc;padding:60px 0 30px;margin-top:0}
.pulic_foot_cont .contain{width:1420px;margin:0 auto;max-width:100%;padding:0 20px}
.pulic_foot_cont .tis_content{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;margin-bottom:40px;flex-wrap:wrap}
.pulic_foot_cont .contact_last .title_h{font-size:18px;font-weight:700;color:#fff;margin-bottom:20px;text-align:left}
.pulic_foot_cont .contact_last .dl .dt{font-size:15px;color:#aaa;margin-bottom:15px}
.pulic_foot_cont .contact_last .dl .dd{display:flex;align-items:baseline;margin-bottom:10px;font-size:14px;gap:8px}
.pulic_foot_cont .contact_last .dl .dd .label{color:#999;min-width:70px;flex-shrink:0}
.pulic_foot_cont .contact_last .dl .dd .val{color:#ddd}
.pulic_foot_cont .contact_last .dl .dd.tel .val{color:var(--gold);font-size:20px;font-weight:700}
.pulic_foot_cont .code_last{display:flex;gap:30px}
.pulic_foot_cont .code_last .list{text-align:center}
.pulic_foot_cont .code_last .list .tis_i img{width:120px;height:120px;border-radius:8px;object-fit:cover}
.pulic_foot_cont .code_last .list .txt{color:#999;font-size:13px;margin-top:8px}
.pulic_foot_cont .bit_copy{text-align:center;padding-top:30px;border-top:1px solid rgba(255,255,255,0.08);font-size:13px;color:#666}

/* ===== Sidebar ===== */
.pulic_floor_cont{position:fixed;right:20px;bottom:100px;z-index:999;cursor:pointer}
.pulic_floor_cont .li{width:50px;height:50px;background:#fff;border-radius:50%;box-shadow:0 2px 12px rgba(0,0,0,0.15);display:flex;align-items:center;justify-content:center;transition:all 0.3s;position:relative}
.pulic_floor_cont .li:hover{transform:scale(1.05);box-shadow:0 4px 20px rgba(0,0,0,0.2)}
.pulic_floor_cont .li .det_cont{display:none;position:absolute;right:60px;top:50%;transform:translateY(-50%);background:#fff;border-radius:8px;padding:15px;box-shadow:0 2px 20px rgba(0,0,0,0.12);min-width:180px;text-align:center}
.pulic_floor_cont .li:hover .det_cont{display:block}
.pulic_floor_cont .li .det_cont img{width:150px;height:150px;margin-bottom:10px}
.pulic_floor_cont .li .det_cont h2{font-size:15px;color:#333;margin-bottom:4px}
.pulic_floor_cont .li .det_cont p{font-size:12px;color:#999}
.floor_return_btn{position:fixed;right:20px;bottom:40px;z-index:999;width:50px;height:50px;background:#fff;border-radius:50%;box-shadow:0 2px 12px rgba(0,0,0,0.15);display:none;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s}
.floor_return_btn:hover{background:var(--gold)}.floor_return_btn:hover svg{fill:#fff}

/* ===== Modal ===== */
.kf-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:10000;background:rgba(0,0,0,0.5);align-items:center;justify-content:center}
.kf-modal.show{display:flex}
.kf-modal .modal-box{background:#fff;padding:40px;border-radius:16px;text-align:center;max-width:320px;width:90%;position:relative}
.kf-modal .modal-box img{width:240px;height:240px;margin:0 auto 16px;border-radius:8px}
.kf-modal .modal-box h3{font-size:18px;color:#333;margin-bottom:8px}
.kf-modal .modal-box p{font-size:14px;color:#999}
.kf-modal .modal-close{position:absolute;top:12px;right:16px;font-size:24px;color:#999;cursor:pointer;background:none;border:none}

/* ===== Homepage ===== */
/* Banner */
.index_baner{position:relative;width:100%;overflow:hidden;max-height:600px}
.banner-slide{display:none;position:relative}
.banner-slide.active{display:block}
.banner-slide .banner-img{width:100%;height:600px;object-fit:cover;display:block}
.banner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(10,22,40,0.7),rgba(0,0,0,0.3));display:flex;align-items:center;justify-content:center}
.banner-overlay > div{text-align:center;color:#fff;max-width:800px;padding:0 20px}
.banner-overlay h2{font-size:48px;font-weight:800;margin-bottom:20px;text-shadow:0 2px 15px rgba(0,0,0,0.3);line-height:1.2}
.banner-overlay p{font-size:22px;opacity:0.95;margin-bottom:30px;line-height:1.5}
.banner-btn{display:inline-block;padding:16px 40px;background:var(--gold);color:#fff;font-size:18px;border-radius:8px;transition:all 0.3s;font-weight:600}
.banner-btn:hover{background:var(--gold-hover);transform:translateY(-2px);box-shadow:0 4px 20px rgba(255,107,0,0.3)}
.banner-nav{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.banner-nav span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all 0.3s}
.banner-nav span.active{background:#fff;transform:scale(1.2)}

/* Service Cards on Home */
.index_case_1{padding:80px 0}
.index_case_1 .last_cont{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.index_case_1 .last_cont .list{border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 2px 16px rgba(0,0,0,0.06);transition:all 0.3s;cursor:pointer}
.index_case_1 .last_cont .list:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.1)}
.index_case_1 .last_cont .list .card-img{width:100%;height:240px;object-fit:cover}
.index_case_1 .last_cont .list .card-content{padding:24px}
.index_case_1 .last_cont .list .card-content .tle{font-size:20px;font-weight:700;color:var(--text-dark);margin-bottom:10px}
.index_case_1 .last_cont .list .card-content .txt{font-size:15px;color:var(--text-mid);line-height:1.7}

/* Stats Section */
.index_case_2{padding:80px 0;background:var(--gray-bg)}
.index_case_2 .last_cont{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.index_case_2 .last_cont .list{padding:40px 20px;background:#fff;border-radius:12px;box-shadow:0 2px 16px rgba(0,0,0,0.04)}
.index_case_2 .last_cont .list .tis_num{font-size:48px;font-weight:800;color:var(--gold);margin-bottom:8px;font-family:Arial,Helvetica,sans-serif}
.index_case_2 .last_cont .list .tis_num span{font-size:22px}
.index_case_2 .last_cont .list .txt{font-size:16px;color:var(--text-mid)}

/* Advantages */
.index_case_4{padding:80px 0}
.index_case_4 .last_cont{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.index_case_4 .last_cont .list{display:flex;gap:20px;padding:30px;background:#fff;border-radius:12px;box-shadow:0 2px 16px rgba(0,0,0,0.04);transition:all 0.3s}
.index_case_4 .last_cont .list:hover{box-shadow:0 6px 30px rgba(0,0,0,0.08);transform:translateY(-2px)}
.index_case_4 .last_cont .list .num{font-size:36px;font-weight:800;color:var(--gold);font-family:Arial,flex-shrink:0;min-width:48px}
.index_case_4 .last_cont .list .det h2{font-size:18px;font-weight:700;color:var(--text-dark);margin-bottom:8px}
.index_case_4 .last_cont .list .det p{font-size:14px;color:var(--text-mid);line-height:1.7}

/* ===== Responsive ===== */

/* Section containers */
.index_case_1{padding:80px 0}
.index_case_2{padding:80px 0;background:#f7f7f7}
.index_case_3{padding:80px 0;background:#fafafa}
.index_case_4{padding:80px 0}
.index_case_5{padding:80px 0}
.index_case_7{padding:80px 0;background:#f7f7f7}
.index_case_news{padding:80px 0}
.bit_more{text-align:center;margin-top:30px}
.more_btn{display:inline-block;padding:12px 36px;background:#ff6b00;color:#fff;border-radius:6px;font-size:15px;cursor:pointer;border:none;transition:background 0.3s}
.more_btn:hover{background:#e05a00}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:960px;margin:0 auto}
.news-card{padding:24px;background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,0.04);cursor:pointer;transition:all 0.3s;border-left:3px solid #ff6b00}
.news-card:hover{transform:translateX(4px);box-shadow:0 4px 20px rgba(0,0,0,0.08)}
.news-card .news-date{font-size:12px;color:#bbb;margin-bottom:6px}
.news-card .news-title{font-size:15px;font-weight:600;color:#191919;line-height:1.5}
.news-card .news-cat{display:inline-block;margin-top:8px;font-size:11px;color:#ff6b00;background:#fff5e6;padding:2px 10px;border-radius:4px}
.case5-slider{display:flex;transition:transform 0.5s ease;gap:24px}
.case5-slide{flex:0 0 calc(33.333% - 16px);border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 2px 16px rgba(0,0,0,0.06)}
.case5-slide .tis_i img{width:100%;height:220px;object-fit:cover}
.case5-slide .txt{padding:16px;text-align:center;font-size:14px;color:#545353;font-weight:500}
.case7-slider{display:flex;gap:16px;overflow-x:auto;padding:10px 0}
.case7-slider::-webkit-scrollbar{display:none}
.case7-slide{flex:0 0 360px;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,0.06)}
.case7-slide .tis_i img{width:100%;height:220px;object-fit:cover}
.case7-slide .txt{padding:20px}
.case7-slide .txt h2{font-size:17px;font-weight:700;color:#191919;margin-bottom:6px}
.case7-slide .txt p{font-size:13px;color:#545353;line-height:1.5}


@media(max-width:768px){
.news-grid{grid-template-columns:1fr}
.case5-slide{flex:0 0 calc(50% - 12px)}
.case7-slide{flex:0 0 280px}
}

@media(max-width:1200px){
.case5-slide{flex:0 0 calc(50% - 12px)}
}
@media(max-width:1200px){
  .contain{width:100%}
  .index_case_1 .last_cont,.index_case_2 .last_cont{grid-template-columns:repeat(2,1fr)}
  .index_case_4 .last_cont{grid-template-columns:1fr}
  .banner-overlay h2{font-size:36px}
  .page-banner .banner-content h1{font-size:36px}
}
@media(max-width:768px){
  .pulic_head_cont_bg{height:70px}
  .pulic_head_cont{padding:15px 0}
  .pulic_head_cont .logo img{height:32px}
  .pulic_head_cont .logo .txt{display:none}
  .pulic_head_cont .r_cont .nav_dl{display:none}
  .pulic_head_cont .real_tel{display:none}
  .pulic_head_cont .real_btn{display:none}
  .phone_menu_btn{display:block}
  .banner-slide .banner-img{height:350px}
  .banner-overlay h2{font-size:28px}
  .banner-overlay p{font-size:16px}
  .banner-btn{padding:12px 28px;font-size:15px}
  .page-banner{height:320px}
  .page-banner .banner-content h1{font-size:28px}
  .page-banner .banner-content p{font-size:16px}
  .title_head h2{font-size:26px}
  .title_head p{font-size:15px}
  .index_case_1{padding:50px 0}
  .index_case_1 .last_cont{grid-template-columns:1fr 1fr;gap:16px}
  .index_case_1 .last_cont .list .card-img{height:160px}
  .index_case_1 .last_cont .list .card-content{padding:16px}
  .index_case_1 .last_cont .list .card-content .tle{font-size:16px}
  .index_case_2 .last_cont{grid-template-columns:repeat(2,1fr);gap:16px}
  .index_case_2 .last_cont .list{padding:24px 16px}
  .index_case_2 .last_cont .list .tis_num{font-size:36px}
  .index_case_4{padding:50px 0}
  .index_case_4 .last_cont .list{padding:20px}
  .index_case_4 .last_cont .list .num{font-size:28px;min-width:36px}
  .pulic_foot_cont{padding:40px 0 20px}
  .pulic_foot_cont .tis_content{flex-direction:column;gap:30px}
  .pulic_foot_cont .code_last{justify-content:center}
  .pulic_foot_cont .bit_copy{font-size:12px;line-height:1.6}
}