@charset "utf-8";
/* ============================================================
   荣峰装饰 公共样式表 common.css
   主色 #f74041  副色 #034196
   内容区 80% 居中，max-width 1400px
   ============================================================ */
/* ============ Reset & Base ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;--topbar-h:0px;overflow-x:hidden}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;background:#fff;line-height:1.6;font-size:15px;padding-top:0;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:all .3s}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;outline:none;border:none;background:none}
:root{
  --primary:#f74041;
  --primary-rgb:247,64,65;
  --secondary:#034196;
  --text:#333;
  --text-light:#666;
  --text-lighter:#999;
  --gray-100:#f7f9fc;
  --gray-200:#e5e8ef;
  --bg-light:#f7f9fc;
  --border:#e5e8ef;
  --white:#fff;
  --dark:#1a1f2e;
  --shadow:0 2px 20px rgba(3,65,150,0.08);
  --shadow-hover:0 10px 30px rgba(3,65,150,0.18);
}
.container{width:85%;max-width:1400px;margin:0 auto}
.section{padding:70px 0}
.btn{display:inline-block;padding:12px 28px;border-radius:4px;font-size:15px;font-weight:600;text-align:center;transition:all .3s;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#e03233;box-shadow:0 6px 18px rgba(247,64,65,.35)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:#f0f0f0}
.btn-submit{background:var(--primary);color:#fff;padding:14px 30px;font-size:16px;border-radius:4px;width:100%}
.btn-submit:hover{background:#e03233;box-shadow:0 6px 18px rgba(247,64,65,.35)}

.btn-primary{display:inline-flex;align-items:center;gap: 12px;padding: 12px 24px;background:var(--primary);color:#fff;border-radius:4px;font-size:15px;cursor:pointer;transition:all .3s;font-weight:500;border: 2px solid var(--primary);}
.btn-primary:hover{background:#e23536;transform:translateY(-2px);box-shadow:0 6px 20px rgba(247,64,65,.35)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding: 12px 24px;background:transparent;color:#fff;border:2px solid #fff;border-radius:4px;font-size:15px;cursor:pointer;transition:all .3s;font-weight:500}
.btn-secondary:hover{background:#fff;color:var(--secondary);transform:translateY(-2px);box-shadow:0 6px 20px rgba(247,64,65,.35)}
.btn-outline{border:1px solid #fff;color:#fff;padding:10px 24px;border-radius:4px;font-size:14px;font-weight:500;transition:all .2s}

.section-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:50px;flex-wrap:wrap;gap:20px}
.section-header .sh-left .en{font-size:14px;color:var(--primary);letter-spacing:3px;font-weight:500;text-transform:uppercase}
.section-header .sh-left h2{font-size:36px;color:var(--text);margin:8px 0 16px;font-weight:700;line-height:1.2}
.section-header .sh-left .divider{width:60px;height:3px;background:var(--primary);border-radius:2px;margin-bottom:14px}
.section-header .sh-left .sub{color:var(--text-light);font-size:15px}
.section-title-lite,.sec-head{text-align:center;margin-bottom:30px}
.section-title-lite .en,.sec-head .en{font-size:14px;color:var(--primary);letter-spacing:3px;font-weight:500;text-transform:uppercase}
.section-title-lite h2,.sec-head h2{font-size:36px;color:var(--text);margin:8px 0 16px;font-weight:700}
.section-title-lite .divider,.sec-head .divider{width:60px;height:3px;background:var(--primary);border-radius:2px;margin:0 auto 14px}
.section-title-lite .sub,.sec-head .sub{color:var(--text-light);font-size:15px;max-width:680px;margin:0 auto}
.svg-icon{display:inline-block;vertical-align:middle}

/* ============ Top Bar ============ */
.top-bar{background:var(--secondary);color:#fff;font-size:13px;padding:8px 0;height:34px;line-height:1;position:relative;z-index:101}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;height:100%}
.top-bar .tb-left{display:flex;gap:22px;align-items:center}
.top-bar .tb-left span{opacity:.9;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.top-bar .tb-right{display:flex;gap:22px;align-items:center}
.top-bar .tb-right a{opacity:.85}
.top-bar .tb-right a:hover{opacity:1;color:var(--primary)}

/* ============ Navigation ============ */
.nav{position:absolute;top:34px;left:0;width:100%;z-index:100;padding:16px 0;background:transparent;transition:all .3s}
.nav.fixed{position:fixed;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 2px 12px rgba(0,0,0,.06);padding:10px 0}
.nav .container{display:flex;align-items:center;justify-content:space-between}
.nav .logo{display:flex;align-items:center;position:relative}
.nav .logo img{height:56px;transition:all .3s}
.nav.fixed .logo img{height:46px}
.nav .logo .logo-color{display:none}
.nav .logo .logo-white{display:block}
.nav.fixed .logo .logo-color{display:block}
.nav.fixed .logo .logo-white{display:none}
.nav .menu{display:flex;gap:0}
.nav .menu li a{display:block;padding:10px 22px;color:#fff;font-size:16px;font-weight:500;position:relative;transition:color .3s}
.nav.fixed .menu li a{color:var(--text)}
.nav .menu li a::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;background:var(--primary);transition:all .3s;transform:translateX(-50%)}
.nav .menu li a:hover::after,.nav .menu li a.active::after{width:calc(100% - 44px)}
.nav .menu li a:hover,.nav .menu li a.active{color:var(--primary)}
.nav .nav-right{display:flex;align-items:center;gap:20px}
.nav .nav-phone{display:flex;align-items:center;gap:10px;color:#fff}
.nav.fixed .nav-phone{color:var(--text)}
.nav .nav-phone .phone-icon{width:40px;height:40px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff}
.nav .nav-phone .phone-text .p1{font-size:12px;color:#fff;opacity:.85;line-height:1.2}
.nav.fixed .nav-phone .phone-text .p1{color:var(--text-lighter)}
.nav .nav-phone .phone-text .p2{font-size:18px;font-weight:700;color:#fff;letter-spacing:.5px;line-height:1.2}
.nav.fixed .nav-phone .phone-text .p2{color:var(--primary)}
.nav .quote-btn{padding:10px 22px;background:var(--primary);color:#fff;border-radius:4px;font-size:14px;cursor:pointer;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:all .3s}
.nav .quote-btn:hover{background:#e23536;transform:translateY(-2px);box-shadow:0 6px 16px rgba(247,64,65,.35)}
.nav .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav .hamburger span{width:26px;height:3px;background:#fff;border-radius:2px;transition:all .3s}
.nav.fixed .hamburger span{background:var(--text)}

/* ====== 内页Banner ====== */
.inner-banner{position:relative;height: 420px;padding-top: 100px;background:url(../images/banner_about.jpg) center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;}
.inner-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,65,150,.75),rgba(247,64,65,.55));background: rgba(0, 0, 0, 0.25);}
.inner-banner-inner{position:relative;z-index:2;}
.inner-banner .en{font-size:14px;letter-spacing:6px;opacity:.85;margin-bottom:14px;text-transform:uppercase;}
.inner-banner h1{font-size:44px;font-weight:800;letter-spacing:2px;}
.inner-banner .line{width:60px;height:3px;background:#f74041;margin:20px auto;}
.inner-banner p{font-size:16px;opacity:.92;max-width:720px;margin:0 auto;}
@media (max-width: 992px){.inner-banner-inner{width: 90%;}}
@media (max-width:768px) {
  .inner-banner{padding-top:74px;height:300px;}
  .inner-banner h1{font-size:28px;}
}

/* ====== 面包屑 ====== */
.crumb{background:#f5f7fb;padding:18px 0;font-size:13px;color:#888;}
.crumb .container{display:flex;align-items:center;}
.crumb .loc { color: #666; }
.crumb svg{font-size: 16px;width: 30px;height: 30px;margin-right:3px;font-style:normal;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;vertical-align:middle;margin-top:-3px;fill:currentColor;}
.crumb a{color:#666;transition:color .2s;}
.crumb a:hover{color:#f74041;}
.crumb .sep{margin:0 10px;color:#ccc;}
.crumb .cur{color:#f74041;font-weight:600;}


/* ============ CTA ============ */
.cta-section{position:relative;background-image:url(../images/cta_bg.jpg);background-size:cover;background-position:center;padding:90px 0}
.cta-section::before{content:"";position:absolute;inset:0;background:rgba(30,35,45,.72)}
.cta-section *{position:relative;z-index:2}
.cta-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;color:#fff}
.cta-left h2{font-size:34px;font-weight:700;margin-bottom:14px;line-height:1.3}
.cta-left .sub{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:28px;line-height:1.8}
.cta-info{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cta-info-item{display:flex;align-items:center;gap:12px;font-size:14px}
.cta-info-item .ci-icon{width:40px;height:40px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff}
.cta-info-item .ci-icon svg{width:20px;height:20px}
.cta-info-item .big{font-size:20px;font-weight:700;color:#fff;margin-top:4px}
.cta-info-item .normal{margin-top:4px}
.cta-form{background:#fff;border-radius:8px;padding:32px;box-shadow:0 20px 40px rgba(0,0,0,.2)}
.cta-form h3{font-size:22px;color:var(--text);margin-bottom:6px;font-weight:700}
.cta-form .form-sub{color:var(--text-light);font-size:13px;margin-bottom:22px}
.form-row{margin-bottom:14px}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:4px;font-size:14px;background:#f7f9fc;color:var(--text);transition:all .3s}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(247,64,65,.1)}
.form-row textarea{resize:none;height:80px}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sub-btn{width:100%;padding:14px;background:linear-gradient(135deg,var(--primary),#d92a2b);color:#fff;font-size:16px;border-radius:4px;cursor:pointer;font-weight:600;transition:all .3s;letter-spacing:2px;box-shadow:0 4px 14px rgba(247,64,65,.3)}
.sub-btn:hover{background:linear-gradient(135deg,#e23536,#c32021);transform:translateY(-2px);box-shadow:0 8px 22px rgba(247,64,65,.4)}

/* ============ 页脚 ============ */
.footer{background:#1a1f2e;color:rgba(255,255,255,.75);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo img{height:56px;margin-bottom:18px;filter:brightness(0) invert(1)}
.footer-col p{font-size:14px;line-height:1.8;margin-bottom:14px}
.footer-col .hotline{color:#fff;font-size:22px;font-weight:700;margin-top:10px}
.footer-col h4{font-size:17px;color:#fff;margin-bottom:20px;font-weight:600;position:relative;padding-bottom:12px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:2px;background:var(--primary)}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col li a{color:rgba(255,255,255,.7);transition:all .3s}
.footer-col li a:hover{color:var(--primary);padding-left:6px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.footer-contact .svg-icon{color:var(--primary);margin-top:4px;flex-shrink:0}
.copyright{padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 右侧悬浮 ============ */
.float-actions{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:998;display:flex;flex-direction:column;gap:0;background:#fff;border-radius:6px;box-shadow:0 4px 20px rgba(3,65,150,.18);overflow:visible}
.fa-item{width:68px;padding:10px 6px;background:#fff;color:var(--secondary);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;text-align:center;transition:all .25s;position:relative;border:1px solid var(--border);border-top:none;overflow:visible}
.fa-item:first-child{border-top:1px solid var(--border);border-radius:6px 6px 0 0}
.fa-item:last-child{border-radius:0 0 6px 6px}
.fa-item .svg-icon{width:24px;height:24px;transition:all .25s}
.fa-item:hover{background:var(--secondary);color:#fff;border-color:var(--secondary);z-index:2}
.fa-item:hover .svg-icon{color:#fff}
.fa-item.phone{border-top:1px solid var(--border)}
/* 电话气泡：与item等高的矩形块，高度=按钮高度，箭头垂直居中 */
.fa-item.phone .fa-tip{position:absolute;right:calc(100% + 10px);top:0;bottom:0;width:180px;background:var(--secondary);color:#fff;padding:0 20px;border-radius:6px 0 0 6px;white-space:nowrap;font-size:15px;opacity:0;visibility:hidden;transform:translateX(10px);transition:all .25s ease;pointer-events:none;font-weight:700;letter-spacing:.5px;display:flex;align-items:center;gap:8px;z-index:10;box-shadow:-4px 4px 14px rgba(0,0,0,.18)}
.fa-item.phone .fa-tip::after{content:"";position:absolute;right:-6px;top:50%;margin-top:-6px;width:12px;height:12px;background:var(--secondary);transform:rotate(45deg);z-index:-1}
.fa-item.phone:hover .fa-tip{opacity:1;visibility:visible;transform:translateX(0)}
.fa-item.top{display:none;opacity:0;transition:opacity .3s}
.fa-item.top.show{display:flex;opacity:1}
.mobile-bottom-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:998;grid-template-columns:1fr 1fr;background:#fff;box-shadow:0 -4px 16px rgba(0,0,0,.1);border-top:1px solid var(--border)}
.mobile-bottom-bar button{padding:12px;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:600}
.mbb-phone{background:#fff;color:var(--secondary)}
.mbb-quote{background:var(--primary);color:#fff}

/* ============ Modal ============ */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:999;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:8px;width:100%;max-width:480px;padding:34px;position:relative;box-shadow:0 20px 50px rgba(0,0,0,.25);animation:modalIn .3s;max-height:90vh;overflow-y:auto}
@keyframes modalIn{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-close{position:absolute;right:16px;top:16px;width:30px;height:30px;border-radius:50%;background:#f0f3f8;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-light);transition:all .3s}
.modal-close:hover{background:var(--primary);color:#fff;transform:rotate(90deg)}
.modal h3{font-size:22px;color:var(--text);margin-bottom:6px;font-weight:700}
.modal .form-sub{color:var(--text-light);font-size:13px;margin-bottom:22px}
@media(max-width:1500px) {
.nav .menu li a,
.nav .quote-btn{padding:10px 18px}
}
@media(max-width:1200px) {
.nav-phone{display: none !important;}
.nav .menu li a{font-size: 15px;}
.nav .menu li a,
.nav .quote-btn{padding:10px 12px}
}
@media(max-width:992px){
.top-bar{display:none}
.nav{top:0}
.float-actions{display:none}
.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media(max-width:768px){

body{padding-bottom:45px;}
.nav .menu{display:none}
.nav .nav-phone{display:none}
.nav .hamburger{display:flex}
.nav.fixed .logo img{height:40px}
.nav .logo img{height:44px}
.mobile-bottom-bar{display:grid}
.footer-grid .footer-col:nth-child(2),
.footer-grid .footer-col:nth-child(3){display: none !important;}
.copyright span{display: block !important;}
.copyright span:nth-child(2),
.copyright span:nth-child(3){display: none !important;}
}
@media(max-width:640px){
.footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom: 0;}
.float-actions{display:none;}
.m-footer-bar{display:flex;}
}

/* ============ 多端多尺寸通用增强 ============ */
/* iOS Safari / 微信内置浏览器横屏字体缩放稳定 */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
/* 汉堡按钮触控目标加大（≥44px） */
.nav .hamburger{padding:10px}
.nav .hamburger span{width:28px}
/* 移动端展开菜单：白色抽屉 + 动画（由 .menu.open 类控制，JS 不再写内联样式） */
@media(max-width:768px){
  .nav .menu.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.12);padding:6px 0 10px;z-index:99;animation:menuDrop .25s ease}
  .nav .menu.open li a{color:var(--text);padding:14px 26px;font-size:15px;border-bottom:1px solid var(--gray-100);display:block}
  .nav .menu.open li:last-child a{border-bottom:none}
  .nav .menu.open li a::after{display:none}
  .nav .menu.open li a.active,.nav .menu.open li a:hover{color:var(--primary)}
  .quote-btn{display: none !important;}
}
@keyframes menuDrop{from{transform:translateY(-8px);opacity:0}to{transform:translateY(0);opacity:1}}
/* 汉堡图标切换为 X */
.nav .hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav .hamburger.active span:nth-child(2){opacity:0}
.nav .hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
/* 640 以下通用微调：表单两列并一列、弹窗间距、正文表格与长词 */
@media(max-width:640px){
  .form-row.two{grid-template-columns:1fr}
  .modal{padding:26px 20px;max-height:92vh}
  .cta-form{padding:24px 18px}
  /* 正文表格：容器内横向滚动，不撑破布局 */
  .article-content table,.ar_article table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse}
  .article-content table td,.article-content table th,.ar_article table td,.ar_article table th{border:1px solid var(--border);padding:8px 10px;white-space:nowrap}
  /* 正文长链接/长词自动换行 */
  .article-content,.ar_article{overflow-wrap:break-word;word-break:break-word}
}

/* ============ 页脚多端适配 ============ */
/* 640 以下：内页与首页页脚通用小屏优化 */
@media(max-width:640px){
  .footer{padding:36px 0 0}
  .footer-logo img{height:44px;margin-bottom:12px}
  .footer-col p{font-size:13px;line-height:1.7;margin-bottom:10px}
  .footer-col .hotline{font-size:19px;margin-top:6px}
  .footer-col h4{font-size:16px;margin-bottom:14px;padding-bottom:10px}
  /* 列表项触控目标 ≥44px 行高 */
  .footer-col li{margin-bottom:4px;font-size:14px}
  .footer-col li a{display:inline-block;padding:6px 0}
  .footer-col li a:hover{padding-left:4px}
  .footer-contact li{font-size:13px;line-height:1.6;margin-bottom:10px}
  .footer-contact .svg-icon{width:14px;height:14px;margin-top:2px}
  /* 版权行：字号收紧、自然折行、留白控制 */
  .copyright{padding:14px 0;font-size:12px;line-height:1.9}
}
/* 480 以下：版权行内长描述与备案号进一步紧凑 */
@media(max-width:480px){
  .footer-grid{gap:0}
  .footer-col{margin-bottom:22px}
  .footer-col li a{padding:4px 0}
  .copyright{line-height:1.8}
}