/* style.css — 山东融媒官网（LOGO 绿色系） */
:root{
  --blue:#158a4c;          /* 主色·融媒绿 */
  --blue-dark:#0a4d30;     /* 深绿·深色底 */
  --blue-light:#e9f6ef;    /* 浅绿·浅色底 */
  --green-bright:#8cc63e;  /* 亮绿 */
  --accent:#2ba3de;        /* 点缀蓝 */
  --text:#2b2f36;
  --gray:#6b7280;
  --bg:#f5f8f6;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--text);background:#fff;line-height:1.7;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* 顶部条 */
.topbar{background:var(--blue-dark);color:#cfe8d9;font-size:13px;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;}
.topbar strong{color:#fff;font-weight:600;}

/* 导航 */
header.nav{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:100;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{width:52px;height:52px;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.logo-mark img{width:100%;height:100%;object-fit:contain;background:#fff;}
.logo-text h1{font-size:19px;color:var(--blue-dark);letter-spacing:1px;}
.logo-text p{font-size:11px;color:var(--gray);letter-spacing:1px;}
nav ul{display:flex;gap:8px;}
nav a{display:block;padding:8px 18px;font-size:16px;color:var(--text);border-radius:6px;transition:.2s;}
nav a:hover,nav a.active{color:#fff;background:var(--blue);}

/* Hero */
.hero{background:linear-gradient(120deg,#083d26 0%,#0f6b3e 50%,#1c9a5c 78%,#2ba3de 130%);color:#fff;padding:90px 0 100px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.06);}
.hero::before{content:"";position:absolute;right:80px;bottom:-160px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.05);}
.hero .container{position:relative;z-index:1;}
.hero .tag{display:inline-block;border:1px solid rgba(255,255,255,.4);padding:4px 14px;border-radius:20px;font-size:13px;margin-bottom:22px;letter-spacing:2px;}
.hero h2{font-size:42px;line-height:1.35;margin-bottom:18px;letter-spacing:2px;}
.hero p{font-size:17px;color:#d5eede;max-width:640px;margin-bottom:36px;}
.hero-btns{display:flex;gap:16px;}
.btn{display:inline-block;padding:13px 34px;border-radius:6px;font-size:16px;transition:.2s;cursor:pointer;border:none;}
.btn-primary{background:var(--green-bright);color:#0a3d24;font-weight:600;}
.btn-primary:hover{background:#9ed44f;}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);}
.hero-stats{display:flex;gap:60px;margin-top:56px;flex-wrap:wrap;}
.hero-stats .num{font-size:36px;font-weight:700;color:#a8dc6d;}
.hero-stats .num small{font-size:16px;font-weight:400;color:#a8dc6d;}
.hero-stats .label{font-size:14px;color:#c3e3cf;}

/* 通用区块 */
section.block{padding:76px 0;}
section.block.alt{background:var(--bg);}
.sec-head{text-align:center;margin-bottom:48px;}
.sec-head h3{font-size:30px;color:var(--blue-dark);letter-spacing:2px;}
.sec-head .line{width:56px;height:4px;background:linear-gradient(90deg,var(--green-bright),var(--blue));margin:14px auto 0;border-radius:2px;}
.sec-head p{color:var(--gray);margin-top:14px;font-size:15px;}

/* 案例卡片 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 14px rgba(10,77,48,.08);transition:.25s;display:flex;flex-direction:column;}
.case-card:hover{transform:translateY(-6px);box-shadow:0 10px 26px rgba(10,77,48,.16);}
.case-cover{height:180px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;letter-spacing:2px;background-size:cover;background-position:center;}
.case-cover.ph1{background:linear-gradient(135deg,#1c9a5c,#0a4d30);}
.case-cover.ph2{background:linear-gradient(135deg,#8cc63e,#3e7d1f);}
.case-cover.ph3{background:linear-gradient(135deg,#2ba3de,#0e5e86);}
.case-body{padding:22px;flex:1;}
.case-body .cat{display:inline-block;font-size:12px;color:var(--blue);background:var(--blue-light);padding:2px 10px;border-radius:4px;margin-bottom:10px;}
.case-body h4{font-size:17px;margin-bottom:8px;color:#1f2937;}
.case-body p{font-size:14px;color:var(--gray);}
.more-link{display:block;text-align:center;margin-top:40px;}
.more-link a{color:var(--blue);font-size:15px;border:1px solid var(--blue);padding:10px 36px;border-radius:6px;transition:.2s;}
.more-link a:hover{background:var(--blue);color:#fff;}

/* 业务服务 */
.svc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.svc-card{background:#fff;border-radius:10px;padding:30px 20px;text-align:center;border:1px solid #e5e7eb;transition:.25s;}
.svc-card:hover{border-color:var(--blue);box-shadow:0 8px 22px rgba(21,138,76,.14);transform:translateY(-5px);}
.svc-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:14px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;font-size:28px;}
.svc-card h4{font-size:17px;color:var(--blue-dark);margin-bottom:10px;}
.svc-card p{font-size:13px;color:var(--gray);}
.svc-card .hot{display:inline-block;background:var(--accent);color:#fff;font-size:11px;padding:1px 8px;border-radius:10px;margin-left:6px;vertical-align:2px;}

/* 服务流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-step{background:#fff;border-radius:10px;padding:28px 22px;border:1px solid #e5e7eb;text-align:center;}
.flow-step .no{width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
.flow-step h4{font-size:16px;color:var(--blue-dark);margin-bottom:8px;}
.flow-step p{font-size:13px;color:var(--gray);}

/* 客户墙 */
.client-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.client-item{background:#fff;border:1px solid #e5e7eb;border-radius:8px;height:76px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--gray);text-align:center;padding:0 8px;overflow:hidden;}
.client-item img{max-height:60px;object-fit:contain;}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{background:#fff;border-radius:10px;overflow:hidden;border:1px solid #e5e7eb;transition:.25s;}
.news-card:hover{box-shadow:0 8px 22px rgba(10,77,48,.12);}
.news-cover{height:150px;background-size:cover;background-position:center;background:var(--blue-light);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:13px;}
.news-body{padding:22px;}
.news-body .date{font-size:13px;color:var(--blue);margin-bottom:8px;}
.news-body h4{font-size:16px;color:#1f2937;margin-bottom:8px;line-height:1.5;}
.news-body p{font-size:13px;color:var(--gray);}

/* 联系我们 */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.contact-info li{display:flex;gap:12px;margin-bottom:20px;font-size:15px;}
.contact-info .ico{width:40px;height:40px;background:var(--blue-light);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-form{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:28px;}
.contact-form h4{font-size:17px;color:var(--blue-dark);margin-bottom:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.contact-form input,.contact-form textarea{width:100%;padding:11px 14px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;font-family:inherit;}
.contact-form textarea{height:90px;resize:vertical;margin-bottom:14px;}
.contact-form button{width:100%;padding:13px;background:var(--blue);color:#fff;border:none;border-radius:6px;font-size:16px;cursor:pointer;}
.contact-form button:hover{background:var(--blue-dark);}

/* 详情页 */
.detail-wrap{max-width:860px;margin:0 auto;padding:50px 20px 80px;}
.detail-wrap h1{font-size:28px;color:#1f2937;line-height:1.5;margin-bottom:14px;}
.detail-meta{color:var(--gray);font-size:14px;margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid #e5e7eb;}
.detail-meta .cat{color:var(--blue);margin-right:14px;}
.detail-content{font-size:16px;color:#374151;}
.detail-content img{border-radius:8px;margin:14px 0;}
.detail-content p{margin-bottom:16px;}
.detail-cover{width:100%;border-radius:10px;margin-bottom:28px;}

/* 列表页 */
.list-page{background:var(--bg);padding:60px 0 80px;}
.page-title{font-size:30px;color:var(--blue-dark);text-align:center;margin-bottom:10px;letter-spacing:2px;}
.page-sub{text-align:center;color:var(--gray);font-size:15px;margin-bottom:44px;}

/* footer */
footer{background:var(--blue-dark);color:#c3e3cf;padding:44px 0 0;font-size:14px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:32px;}
.foot-grid h5{color:#fff;font-size:16px;margin-bottom:16px;}
.foot-grid li{margin-bottom:9px;}
.foot-grid a:hover{color:#fff;}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-logo img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:6px;padding:2px;}
.foot-logo h5{margin:0;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;text-align:center;font-size:13px;color:#8fc4a5;}

@media(max-width:900px){
  nav ul{display:none;}
  .hero h2{font-size:28px;}
  .hero-stats{gap:30px;}
  .case-grid,.news-grid,.contact-wrap{grid-template-columns:1fr;}
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .client-grid{grid-template-columns:repeat(3,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
}