/* ============================================================
   鼎盛建设 (Dingsheng) — CMS Theme
   基于 2-dingsheng HTML 站点转换，扩展了 CMS 所需样式
   ============================================================ */

*{margin:0;padding:0;box-sizing:border-box}
:root{--red:#c0392b;--dark:#2c3e50;--white:#fff;--light:#f8f9fa;--gray:#6c757d;--gold:#f1c40f;--font:'Segoe UI','Microsoft YaHei','PingFang SC',sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--dark);overflow-x:hidden;background:var(--white)}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:15px 0;transition:all .3s;background:transparent}
.header.scrolled{background:var(--white);padding:10px 0;box-shadow:0 2px 20px rgba(0,0,0,.1)}
.header.scrolled .logo{color:var(--dark)}
.header.scrolled .nav a{color:var(--dark)}
.header .container{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:26px;font-weight:900;color:var(--white);text-transform:uppercase;letter-spacing:2px;display:flex;align-items:center}
.logo span{color:var(--red)}
.logo img{vertical-align:middle;margin-right:8px;max-height:34px;width:auto}
.nav{display:flex;list-style:none;gap:25px;position:relative}
.nav>li{position:relative}
.nav a{color:var(--white);font-size:15px;font-weight:700;transition:color .3s;position:relative;padding:5px 0;display:block}
.nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:3px;background:var(--red);transition:width .3s}
.nav a:hover::after{width:100%}
.nav a:hover{color:var(--red)}
.nav a.active{color:var(--red)}
.nav a.active::after{width:100%}
/* 子菜单下拉 */
.nav .subnav{position:absolute;top:100%;left:0;min-width:180px;background:var(--white);box-shadow:0 10px 30px rgba(0,0,0,.12);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;list-style:none;z-index:100}
.nav>li:hover>.subnav{opacity:1;visibility:visible;transform:translateY(0)}
.nav .subnav a{color:var(--dark);padding:10px 20px;font-weight:600;font-size:14px}
.nav .subnav a::after{display:none}
.nav .subnav a:hover{color:var(--red);background:var(--light)}
.hamburger{display:none;flex-direction:column;cursor:pointer;gap:5px}
.hamburger span{width:30px;height:3px;background:var(--red);transition:.3s}
.header.scrolled .hamburger span{background:var(--dark)}

/* ===== Hero ===== */
.hero{height:100vh;min-height:700px;background:linear-gradient(135deg,rgba(44,62,80,.85),rgba(192,57,43,.7)) center/cover no-repeat;display:flex;align-items:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 30%,rgba(241,196,15,.05) 50%,transparent 70%);animation:shine 8s infinite linear}
@keyframes shine{0%{transform:translateX(-30%)}100%{transform:translateX(30%)}}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;margin:0 auto}
.hero h1{font-size:68px;font-weight:900;color:var(--white);line-height:1.1;margin-bottom:20px}
.hero h1 span{color:var(--red);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.hero p{font-size:18px;color:rgba(255,255,255,.8);margin-bottom:40px;line-height:1.6}
.hero-btns{display:flex;gap:20px;justify-content:center}
.btn{display:inline-block;padding:16px 40px;font-size:16px;font-weight:700;border-radius:0;transition:all .3s;cursor:pointer;border:none;text-transform:uppercase;letter-spacing:2px;position:relative;overflow:hidden}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover{background:var(--dark);transform:translateY(-3px)}
.btn-outline{border:2px solid var(--white);color:var(--white);background:transparent}
.btn-outline:hover{background:var(--white);color:var(--dark);transform:translateY(-3px)}

/* ===== Section - Skewed ===== */
.section{padding:100px 0;position:relative;background:var(--white)}
.section-skew{position:relative;padding:120px 0;margin-top:-50px;margin-bottom:-50px;background:var(--light);transform:skewY(-3deg)}
.section-skew>.container{transform:skewY(3deg)}
.section-skew-alt{background:var(--white);transform:skewY(3deg)}
.section-skew-alt>.container{transform:skewY(-3deg)}
.section-title{font-size:42px;font-weight:900;text-align:center;margin-bottom:15px;color:var(--dark)}
.section-title span{color:var(--red)}
.section-subtitle{text-align:center;font-size:18px;color:var(--gray);margin-bottom:60px;max-width:600px;margin-left:auto;margin-right:auto}
.red-bar{width:60px;height:4px;background:var(--red);margin:0 auto 20px;position:relative}
.red-bar::before{content:'';position:absolute;left:-10px;top:-4px;width:12px;height:12px;background:var(--red);transform:rotate(45deg)}
.red-bar::after{content:'';position:absolute;right:-10px;top:-4px;width:12px;height:12px;background:var(--red);transform:rotate(45deg)}

/* ===== Stats ===== */
.stats{background:var(--dark);padding:80px 0;position:relative}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-num{font-size:52px;font-weight:900;color:var(--red);display:block}
.stat-label{font-size:15px;color:rgba(255,255,255,.7);margin-top:10px;text-transform:uppercase;letter-spacing:2px}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.service-card{background:var(--white);padding:35px;text-align:center;transition:all .4s;position:relative;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.05);border-top:4px solid transparent}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,var(--red),var(--dark));opacity:0;transition:opacity .4s;z-index:0}
.service-card:hover::before{opacity:1}
.service-card:hover>*{position:relative;z-index:1;color:var(--white)}
.service-card:hover{border-top-color:var(--red);transform:translateY(-10px)}
.service-icon{font-size:48px;margin-bottom:20px;display:block}
.service-card h3{font-size:22px;margin-bottom:15px}
.service-card p{color:var(--gray);line-height:1.6;transition:color .3s}
.service-card:hover p{color:rgba(255,255,255,.8)}

/* ===== Cases - Grid ===== */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.case-card{position:relative;overflow:hidden;height:280px;display:block}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover img{transform:scale(1.12)}
.case-overlay{position:absolute;bottom:0;left:0;width:100%;padding:25px;background:linear-gradient(transparent,rgba(192,57,43,.9));color:var(--white)}
.case-overlay h4{font-size:18px;margin-bottom:3px}
.case-overlay p{font-size:13px;opacity:.8}

/* ===== News ===== */
.news-carousel{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.news-card{background:var(--white);overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);transition:all .3s;position:relative}
.news-card::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:4px;background:var(--red);transform:scaleX(0);transition:transform .3s}
.news-card:hover::after{transform:scaleX(1)}
.news-card:hover{transform:translateY(-8px);box-shadow:0 15px 40px rgba(0,0,0,.15)}
.news-img{height:200px;overflow:hidden}
.news-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-img img{transform:scale(1.08)}
.news-body{padding:25px}
.news-date{font-size:13px;color:var(--red);font-weight:700}
.news-body h3{font-size:19px;margin:10px 0;color:var(--dark)}
.news-body p{color:var(--gray);font-size:14px;line-height:1.6}
.news-link{color:var(--red);font-weight:700;display:inline-block;margin-top:10px}

/* ===== Partners ===== */
.partners{background:var(--white);padding:60px 0}
.partner-grid{display:flex;justify-content:center;align-items:center;gap:40px;flex-wrap:wrap}
.partner-item{font-size:22px;font-weight:900;color:var(--gray);opacity:.3;transition:all .3s;text-transform:uppercase;letter-spacing:2px;padding:10px 20px;border:2px solid transparent}
.partner-item:hover{opacity:1;color:var(--red);border-color:var(--red)}

/* ===== Page Banner ===== */
.page-banner{height:400px;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden;flex-direction:column;background:linear-gradient(135deg,rgba(44,62,80,.85),rgba(192,57,43,.7)) center/cover no-repeat}
.page-banner-sm{height:300px}
.page-banner h1{font-size:56px;font-weight:900;color:var(--white);position:relative;z-index:2}
.page-banner h1 span{color:var(--red)}
.page-banner p{color:rgba(255,255,255,.7);font-size:18px;position:relative;z-index:2;margin-top:15px}
.breadcrumb{position:relative;z-index:2;color:var(--red);margin-top:15px}
.breadcrumb a{color:rgba(255,255,255,.6)}
.breadcrumb-light{color:var(--red);margin:0 0 30px;font-size:14px}
.breadcrumb-light a{color:var(--gray)}
.breadcrumb-light a:hover{color:var(--red)}
.breadcrumb-light span{color:var(--dark)}

/* ===== Timeline ===== */
.timeline{position:relative;padding:40px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;width:3px;height:100%;background:linear-gradient(var(--red),var(--dark));transform:translateX(-50%)}
.timeline-item{display:flex;margin-bottom:50px;position:relative;align-items:center}
.timeline-item:nth-child(odd){flex-direction:row-reverse}
.timeline-content{width:42%;padding:30px;background:var(--light);position:relative;transition:all .3s;border-left:4px solid var(--red)}
.timeline-item:nth-child(odd) .timeline-content{border-left:none;border-right:4px solid var(--red);text-align:right}
.timeline-content:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
.timeline-content h3{color:var(--red);font-size:22px;margin-bottom:5px}
.timeline-content h4{color:var(--dark);font-size:17px;margin-bottom:8px}
.timeline-content p{color:var(--gray);line-height:1.6;font-size:14px}
.timeline-dot{position:absolute;left:50%;top:30px;width:22px;height:22px;background:var(--red);border-radius:50%;transform:translateX(-50%);z-index:2;border:4px solid var(--white);box-shadow:0 0 0 3px var(--red)}

/* ===== Values ===== */
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.value-item{text-align:center;padding:40px 20px;background:var(--light);transition:all .3s;position:relative;overflow:hidden}
.value-item::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,var(--red),var(--dark));opacity:0;transition:opacity .3s;z-index:0}
.value-item:hover::before{opacity:1}
.value-item:hover>*{position:relative;z-index:1;color:var(--white)!important}
.value-icon{font-size:40px;margin-bottom:15px;display:block}
.value-item h4{font-size:18px;color:var(--dark);margin-bottom:10px}
.value-item p{color:var(--gray);font-size:14px}

/* ===== Team ===== */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.team-card{text-align:center;position:relative;overflow:hidden}
.team-card img{width:100%;height:300px;object-fit:cover;transition:transform .5s}
.team-card:hover img{transform:scale(1.05)}
.team-info{position:absolute;bottom:0;left:0;width:100%;padding:20px;background:linear-gradient(transparent,rgba(44,62,50,.95));color:var(--white);transform:translateY(20px);transition:transform .3s}
.team-card:hover .team-info{transform:translateY(0)}
.team-info h4{font-size:18px}
.team-info p{font-size:13px;color:var(--red);font-weight:600}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-info h3{font-size:28px;color:var(--dark);margin-bottom:30px}
.info-item{display:flex;gap:20px;margin-bottom:25px;align-items:flex-start}
.info-icon{width:50px;height:50px;background:var(--red);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;color:var(--white);font-weight:700}
.info-item h4{font-size:18px;color:var(--dark);margin-bottom:5px}
.info-item p{color:var(--gray)}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:15px;margin-bottom:20px;border:2px solid #e1e1e1;font-size:15px;transition:border .3s;font-family:var(--font);background:var(--white);color:var(--dark);border-radius:0}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--red);outline:none}
.contact-form textarea{height:150px;resize:vertical}
.map-placeholder{height:400px;background:var(--light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--gray);margin-top:50px;border:2px dashed #ddd;text-align:center;padding:20px}
.map-block{margin-top:50px}
.map-block .section-title{font-size:32px;color:var(--dark);margin-bottom:25px;text-align:center}
.map-block .map-embed-title{display:none}

/* ===== Filters ===== */
.filters{display:flex;justify-content:center;gap:10px;margin-bottom:40px;flex-wrap:wrap}
.filter-btn{padding:12px 28px;background:var(--light);color:var(--dark);font-weight:700;cursor:pointer;transition:all .3s;font-size:14px;border:none}
.filter-btn.active,.filter-btn:hover{background:var(--red);color:var(--white)}

/* ===== Footer ===== */
.footer{background:var(--dark);color:var(--white);padding:80px 0 0;position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;width:100%;height:5px;background:linear-gradient(90deg,var(--red),var(--gold),var(--red))}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer h3{color:var(--white);margin-bottom:25px;font-size:20px;text-transform:uppercase;letter-spacing:1px;border-bottom:3px solid var(--red);padding-bottom:10px;display:inline-block}
.footer p{color:rgba(255,255,255,.5);line-height:1.8;font-size:14px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(255,255,255,.5);transition:color .3s;font-size:14px}
.footer-links a:hover{color:var(--red)}
.footer-contact li{color:rgba(255,255,255,.5);margin-bottom:12px;font-size:14px;list-style:none}
.footer-bottom{text-align:center;padding:25px 0;margin-top:50px;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.3);font-size:14px}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;gap:10px;margin-top:50px;list-style:none}
.pagination a,.pagination>span{padding:10px 18px;background:var(--light);color:var(--dark);font-weight:700;transition:all .3s;display:block}
.pagination a.active,.pagination a:hover,.pagination>span.current{background:var(--red);color:var(--white)}
.pagination .disabled span{opacity:.4;pointer-events:none}

/* ===== 产品详情页 ===== */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.detail-media{overflow:hidden;position:relative}
.detail-media img{width:100%;height:auto;max-height:520px;object-fit:cover;display:block}
.detail-title{font-size:36px;font-weight:900;color:var(--dark);margin-bottom:15px}
.badge-cat{display:inline-block;background:var(--red);color:var(--white);padding:6px 16px;font-size:13px;font-weight:700;margin-bottom:15px}
.detail-price{font-size:26px;color:var(--red);font-weight:900;margin:15px 0}
.detail-desc{color:var(--gray);line-height:1.9;font-size:15px;margin-bottom:25px}
.detail-section{margin-top:60px}
.rich-text{line-height:2;color:var(--dark);font-size:15px}
.rich-text p{margin-bottom:18px;color:var(--gray)}
.rich-text img{max-width:100%;height:auto}
.rich-text h2,.rich-text h3,.rich-text h4{color:var(--dark);margin:25px 0 15px}
.rich-text blockquote{border-left:4px solid var(--red);background:var(--light);padding:16px 20px;margin:20px 0;color:var(--gray)}
.rich-text table{width:100%;border-collapse:collapse;margin:20px 0}
.rich-text table th,.rich-text table td{border:1px solid #e1e1e1;padding:10px 14px;text-align:left}
.rich-text table th{background:var(--light);font-weight:700}
.rich-text ul,.rich-text ol{padding-left:22px;margin:15px 0}
.rich-text ul li,.rich-text ol li{margin-bottom:8px}
.rich-text figure{margin:20px 0}
.rich-text figure img{width:100%}
.rich-text figcaption{font-size:13px;color:var(--gray);text-align:center;margin-top:8px}
.rich-text hr{border:none;border-top:2px solid var(--light);margin:30px 0}

/* ===== 新闻详情页 ===== */
.news-detail{max-width:820px;margin:0 auto}
.news-detail .detail-title{font-size:34px;text-align:center}
.news-detail-meta{display:flex;justify-content:center;gap:24px;color:var(--gray);font-size:14px;margin:20px 0 30px;flex-wrap:wrap}
.news-detail-meta span b{color:var(--red)}
.news-detail-img{height:420px;overflow:hidden;margin-bottom:30px}
.news-detail-img img{width:100%;height:100%;object-fit:cover}

/* ===== 搜索页 ===== */
.search-box{max-width:640px;margin:0 auto 50px;display:flex;gap:0}
.search-box input{flex:1;padding:16px 20px;border:2px solid #e1e1e1;font-size:15px;font-family:var(--font);border-right:none}
.search-box input:focus{border-color:var(--red);outline:none}
.search-box button{padding:0 30px;background:var(--red);color:var(--white);border:none;font-weight:700;cursor:pointer;transition:background .3s}
.search-box button:hover{background:var(--dark)}
.search-list{max-width:820px;margin:0 auto}
.search-result{border:1px solid #eee;padding:24px 28px;margin-bottom:18px;transition:all .3s;background:var(--white)}
.search-result:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.08)}
.search-result .type{font-size:12px;color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:1px}
.search-result h3{font-size:19px;color:var(--dark);margin:8px 0}
.search-result h3 a:hover{color:var(--red)}
.search-result p{color:var(--gray);font-size:14px;line-height:1.7}
.search-empty{text-align:center;color:var(--gray);padding:60px 0;font-size:17px}

/* ===== Animations ===== */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
.services-grid,.cases-grid,.news-carousel{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.team-grid{grid-template-columns:repeat(2,1fr)}
.values-grid{grid-template-columns:repeat(2,1fr)}
.detail-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
.hero h1{font-size:40px}
.nav{display:none;position:absolute;top:100%;left:0;width:100%;background:var(--white);flex-direction:column;padding:20px;gap:15px;box-shadow:0 10px 30px rgba(0,0,0,.1);align-items:flex-start}
.nav.active{display:flex}
.header.scrolled .nav a{color:var(--dark)}
.nav a{color:var(--dark)!important}
.nav .subnav{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 0 15px}
.nav>li{width:100%}
.hamburger{display:flex}
.services-grid,.cases-grid,.news-carousel,.stats-grid,.team-grid,.values-grid{grid-template-columns:1fr}
.contact-wrap{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-btns{flex-direction:column}
.timeline::before{left:20px}
.timeline-item,.timeline-item:nth-child(odd){flex-direction:column;padding-left:50px}
.timeline-content,.timeline-item:nth-child(odd) .timeline-content{width:100%;border-left:4px solid var(--red);border-right:none;text-align:left}
.timeline-dot{left:20px}
.page-banner h1{font-size:36px}
.hero{min-height:500px}
.section-skew,.section-skew-alt{transform:none;padding:80px 0}
.section-skew>.container,.section-skew-alt>.container{transform:none}
.search-box{flex-direction:column;gap:10px}
.search-box input{border-right:2px solid #e1e1e1}
.search-box button{padding:14px 20px}
}