@charset "utf-8";
:root{
  --c1:#5C3A1E;--c2:#7B4F2E;--c3:#A0693A;--c4:#C8914F;
  --c5:#E8C99A;--c6:#F5EDE0;--c7:#FBF7F2;
  --dark:#1A1208;--text:#2C1F0E;--muted:#7A6A58;--border:#DDD0BC;
  --white:#fff;--shadow:0 4px 24px rgba(92,58,30,.10);
  --r:6px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"微软雅黑","Microsoft YaHei","PingFang SC",sans-serif;font-size:14px;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;vertical-align:top}
a{text-decoration:none;color:inherit;transition:color .2s}
ul{list-style:none}

/* ── TOPBAR ── */
.topbar{background:var(--dark);height:38px;line-height:38px;font-size:12px;color:rgba(255,255,255,.55)}
.topbar .w{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:rgba(255,255,255,.55);margin-left:20px}
.topbar a:hover{color:#fff}

/* ── HEADER ── */
.site-hd{background:#fff;border-bottom:3px solid var(--c1);position:sticky;top:0;z-index:900;box-shadow:0 2px 12px rgba(92,58,30,.08)}
.site-hd .w{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo-wrap{display:flex;align-items:center;text-decoration:none}
.logo-name{font-size:22px;font-weight:700;color:var(--c1);letter-spacing:2px;font-family:"STSong","SimSun","宋体",serif;white-space:nowrap}
.hd-right{display:flex;align-items:center;gap:28px}
.hd-tel .lbl{font-size:11px;color:var(--muted)}
.hd-tel .num{font-size:16px;font-weight:700;color:var(--c1);letter-spacing:.5px}
.btn-cta{background:var(--c1);color:#fff!important;padding:11px 26px;border-radius:var(--r);font-size:14px;font-weight:700;transition:background .2s;white-space:nowrap}
.btn-cta:hover{background:var(--dark)}

/* ── NAV ── */
.main-nav{background:var(--c1)}
.main-nav .w{display:flex}
.main-nav>div>ul{display:flex;width:100%}
.main-nav>div>ul>li{flex:1;text-align:center;position:relative}
.main-nav>div>ul>li>a{display:block;color:#fff;height:48px;line-height:48px;font-size:15px;transition:background .2s}
.main-nav>div>ul>li>a:hover,.main-nav>div>ul>li.on>a{background:rgba(0,0,0,.25)}
.nav-drop{display:none;position:absolute;top:48px;left:50%;transform:translateX(-50%);min-width:160px;background:#fff;box-shadow:0 8px 32px rgba(92,58,30,.15);border-top:3px solid var(--c3);z-index:999}
.main-nav li:hover .nav-drop{display:block}
.nav-drop li a{display:block;padding:11px 20px;color:var(--text);font-size:13px;border-bottom:1px solid var(--border);white-space:nowrap}
.nav-drop li a:hover{background:var(--c6);color:var(--c1)}

/* ── LAYOUT ── */
.w{width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:64px 0}
.sec-alt{background:var(--c7)}
.sec-title{text-align:center;margin-bottom:48px}
.sec-title h2{font-size:28px;color:var(--c1);font-weight:700;display:inline-block;position:relative;padding-bottom:14px}
.sec-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:48px;height:3px;background:var(--c3);border-radius:2px}
.sec-title p{color:var(--muted);margin-top:10px;font-size:13px}

/* ── HERO ── */
.hero{position:relative;height:480px;overflow:hidden;background:var(--dark)}
.hero-slides{display:flex;height:100%;transition:transform .7s cubic-bezier(.4,0,.2,1)}
.hero-slide{min-width:100%;height:100%;background-size:cover;background-position:center;position:relative}
.hero-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(26,18,8,.78) 0%,rgba(26,18,8,.35) 55%,transparent 100%)}
.hero-body{position:absolute;left:0;top:0;width:100%;height:100%;display:flex;align-items:center;z-index:2}
.hero-body .w{display:flex;flex-direction:column;justify-content:center}
.hero-tag{display:inline-block;background:var(--c3);color:#fff;font-size:12px;padding:4px 14px;border-radius:20px;margin-bottom:16px;letter-spacing:1px}
.hero-h1{font-size:38px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:14px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero-sub{font-size:16px;color:rgba(255,255,255,.82);margin-bottom:28px;max-width:520px;line-height:1.7}
.hero-btns{display:flex;gap:14px}
.btn-hero-p{background:var(--c3);color:#fff;padding:13px 32px;border-radius:var(--r);font-size:15px;font-weight:700;transition:background .2s}
.btn-hero-p:hover{background:var(--c2)}
.btn-hero-s{background:rgba(255,255,255,.15);color:#fff;padding:13px 32px;border-radius:var(--r);font-size:15px;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(4px);transition:background .2s}
.btn-hero-s:hover{background:rgba(255,255,255,.25)}
.hero-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .2s}
.hero-dot.on{background:#fff;width:24px;border-radius:4px}
.hero-arr{position:absolute;top:50%;transform:translateY(-50%);z-index:3;background:rgba(255,255,255,.15);border:none;color:#fff;width:44px;height:44px;border-radius:50%;cursor:pointer;font-size:20px;backdrop-filter:blur(4px);transition:background .2s}
.hero-arr:hover{background:rgba(255,255,255,.3)}
.hero-arr.prev{left:24px}
.hero-arr.next{right:24px}

/* ── STATS BAR ── */
.stats-bar{background:var(--c1);padding:0}
.stats-bar .w{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{text-align:center;padding:28px 20px;border-right:1px solid rgba(255,255,255,.15);position:relative}
.stat-item:last-child{border-right:none}
.stat-num{font-size:36px;font-weight:700;color:#fff;line-height:1}
.stat-num span{font-size:18px}
.stat-lbl{font-size:13px;color:rgba(255,255,255,.7);margin-top:6px}

/* ── SERVICES ── */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc-card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:36px 24px;text-align:center;transition:all .3s;cursor:pointer;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--c3);transform:scaleX(0);transition:transform .3s}
.svc-card:hover{box-shadow:0 12px 40px rgba(92,58,30,.14);transform:translateY(-5px);border-color:var(--c4)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-icon{width:72px;height:72px;margin:0 auto 20px;background:var(--c6);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .3s}
.svc-card:hover .svc-icon{background:var(--c1)}
.svc-icon svg{width:36px;height:36px;fill:var(--c1);transition:fill .3s}
.svc-card:hover .svc-icon svg{fill:#fff}
.svc-name{font-size:16px;font-weight:700;color:var(--c1);margin-bottom:10px}
.svc-desc{font-size:13px;color:var(--muted);line-height:1.7}
.svc-more{display:inline-block;margin-top:14px;font-size:12px;color:var(--c3);border-bottom:1px solid var(--c5)}

/* ── ABOUT + NEWS ── */
.mid-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.blk-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--border);position:relative}
.blk-hd::after{content:'';position:absolute;bottom:-2px;left:0;width:56px;height:2px;background:var(--c1)}
.blk-hd h3{font-size:18px;font-weight:700;color:var(--c1)}
.blk-hd a{font-size:12px;color:var(--muted)}
.blk-hd a:hover{color:var(--c1)}
.about-img{width:100%;height:200px;object-fit:cover;border-radius:var(--r);margin-bottom:16px}
.about-txt{font-size:14px;line-height:2;color:var(--text);text-align:justify}
.about-tags{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.about-tag{background:var(--c6);color:var(--c2);padding:5px 14px;border-radius:20px;font-size:12px}
.news-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.news-list li:last-child{border-bottom:none}
.news-date{flex-shrink:0;width:52px;height:52px;background:var(--c6);border-radius:var(--r);display:flex;flex-direction:column;align-items:center;justify-content:center}
.news-date .d{font-size:20px;font-weight:700;color:var(--c1);line-height:1}
.news-date .m{font-size:11px;color:var(--muted)}
.news-info a{font-size:14px;color:var(--text);display:block;margin-bottom:4px;line-height:1.5}
.news-info a:hover{color:var(--c1)}
.news-info .cat{font-size:11px;color:var(--muted)}

/* ── PROCESS ── */
.process-wrap{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.process-wrap::before{content:'';position:absolute;top:36px;left:calc(100%/12);right:calc(100%/12);height:2px;background:linear-gradient(to right,var(--c4),var(--c3));z-index:0}
.proc-step{text-align:center;position:relative;z-index:1;padding:0 8px}
.proc-num{width:72px;height:72px;border-radius:50%;background:var(--c1);color:#fff;font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;border:4px solid var(--c6);box-shadow:0 4px 16px rgba(92,58,30,.2)}
.proc-name{font-size:14px;font-weight:700;color:var(--c1);margin-bottom:6px}
.proc-desc{font-size:12px;color:var(--muted);line-height:1.6}

/* ── ANNOUNCE ── */
.ann-tabs{display:flex;gap:0;margin-bottom:0;border-bottom:2px solid var(--border)}
.ann-tab{padding:12px 28px;font-size:14px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}
.ann-tab.on{color:var(--c1);font-weight:700;border-bottom-color:var(--c1)}
.ann-tab:hover{color:var(--c1)}
.ann-panel{display:none;padding-top:20px}
.ann-panel.on{display:block}
.ann-search{display:flex;gap:10px;margin-bottom:16px}
.ann-search input{flex:1;padding:9px 14px;border:1px solid var(--border);border-radius:var(--r);font-size:13px;outline:none}
.ann-search input:focus{border-color:var(--c3)}
.ann-search button{background:var(--c1);color:#fff;border:none;padding:9px 20px;border-radius:var(--r);cursor:pointer;font-size:13px}
.ann-table{width:100%;border-collapse:collapse}
.ann-table th{background:var(--c1);color:#fff;padding:12px 16px;text-align:left;font-size:13px;font-weight:600}
.ann-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:13px}
.ann-table tr:hover td{background:var(--c7)}
.grade{font-weight:700;color:var(--c1)}
.grade-aaa{color:#8B0000}
.ann-more{text-align:right;margin-top:14px}
.ann-more a{font-size:13px;color:var(--c3)}

/* ── FOOTER ── */
.site-ft{background:var(--dark)}
.ft-main{padding:52px 0 36px}
.ft-main .w{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:48px}
.ft-brand .ft-logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.ft-brand p{font-size:13px;color:rgba(255,255,255,.55);line-height:2.2}
.ft-brand .ft-contact{margin-top:16px}
.ft-brand .ft-contact a{display:inline-block;background:var(--c3);color:#fff;padding:9px 22px;border-radius:var(--r);font-size:13px;margin-top:8px}
.ft-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}
.ft-col li{margin-bottom:10px}
.ft-col li a{font-size:13px;color:rgba(255,255,255,.55)}
.ft-col li a:hover{color:#fff}
.ft-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:12px;color:rgba(255,255,255,.35)}
.ft-bottom a{color:rgba(255,255,255,.45)}
.ft-bottom a:hover{color:#fff}

/* ── INNER PAGES ── */
.pg-banner{background:linear-gradient(120deg,var(--dark) 0%,var(--c1) 100%);padding:40px 0}
.pg-banner h1{font-size:26px;color:#fff;font-weight:700}
.pg-banner .bc{font-size:13px;color:rgba(255,255,255,.6);margin-top:8px}
.pg-banner .bc a{color:rgba(255,255,255,.6)}
.pg-banner .bc a:hover{color:#fff}
.pg-layout{padding:40px 0 64px}
.pg-layout .w{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start}
.sidebar{position:sticky;top:100px}
.sb-nav{background:#fff;border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin-bottom:20px}
.sb-nav .sb-title{background:var(--c1);color:#fff;padding:14px 18px;font-size:14px;font-weight:700}
.sb-nav ul li a{display:block;padding:12px 18px;font-size:13px;color:var(--text);border-bottom:1px solid var(--border);transition:all .2s}
.sb-nav ul li a:hover,.sb-nav ul li.on a{background:var(--c6);color:var(--c1);padding-left:26px}
.sb-contact{background:var(--c6);border:1px solid var(--border);border-radius:var(--r);padding:18px}
.sb-contact h4{color:var(--c1);font-size:13px;font-weight:700;margin-bottom:10px}
.sb-contact p{font-size:12px;color:var(--muted);line-height:2.2}
.pg-content{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:36px}
.pg-title{font-size:20px;font-weight:700;color:var(--c1);margin-bottom:24px;padding-bottom:14px;border-bottom:2px solid var(--border);position:relative}
.pg-title::after{content:'';position:absolute;bottom:-2px;left:0;width:48px;height:2px;background:var(--c3)}
.pg-body{font-size:14px;line-height:2;color:var(--text)}
.pg-body p{margin-bottom:14px;text-align:justify}

/* ── TIMELINE ── */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--c5)}
.tl-item{position:relative;margin-bottom:28px}
.tl-dot{position:absolute;left:-28px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--c1);border:3px solid var(--c5)}
.tl-year{font-size:13px;font-weight:700;color:var(--c3);margin-bottom:4px}
.tl-text{font-size:14px;color:var(--text);line-height:1.7}

/* ── FAQ ── */
.faq-item{border:1px solid var(--border);border-radius:var(--r);margin-bottom:10px;overflow:hidden}
.faq-q{padding:16px 20px;background:var(--c7);cursor:pointer;font-size:14px;font-weight:700;color:var(--c1);display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.faq-q:hover{background:var(--c6)}
.faq-q .ico{font-size:18px;transition:transform .2s;color:var(--c3)}
.faq-item.open .faq-q{background:var(--c1);color:#fff}
.faq-item.open .faq-q .ico{transform:rotate(45deg);color:#fff}
.faq-a{display:none;padding:16px 20px;font-size:14px;line-height:1.8;color:var(--text);border-top:1px solid var(--border)}
.faq-item.open .faq-a{display:block}

/* ── CONTACT FORM ── */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fg{margin-bottom:20px}
.fg label{display:block;font-size:13px;font-weight:700;color:var(--text);margin-bottom:6px}
.fg .req{color:#c0392b}
.fg input,.fg select,.fg textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--r);font-size:14px;font-family:inherit;outline:none;transition:border-color .2s;background:#fff}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--c3);box-shadow:0 0 0 3px rgba(160,105,58,.08)}
.fg textarea{height:120px;resize:vertical}
.btn-submit{background:var(--c1);color:#fff;border:none;padding:13px 44px;border-radius:var(--r);font-size:15px;cursor:pointer;transition:background .2s;font-family:inherit}
.btn-submit:hover{background:var(--dark)}

/* ── DOWNLOAD ── */
.dl-list li{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--border);transition:background .2s}
.dl-list li:hover{background:var(--c7)}
.dl-info{display:flex;align-items:center;gap:14px}
.dl-icon{width:40px;height:40px;background:var(--c1);border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;flex-shrink:0}
.dl-name{font-size:14px;color:var(--text)}
.dl-meta{font-size:12px;color:var(--muted);margin-top:2px}
.btn-dl{background:var(--c1);color:#fff;padding:7px 18px;border-radius:var(--r);font-size:13px;transition:background .2s}
.btn-dl:hover{background:var(--dark);color:#fff}

/* ── CERT GRID ── */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.cert-card{border:1px solid var(--border);border-radius:var(--r);overflow:hidden;text-align:center}
.cert-ph{height:180px;background:var(--c6);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
.cert-card p{padding:10px;font-size:13px;color:var(--muted)}

/* ── 汉堡菜单按钮 ── */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;z-index:1001}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── RESPONSIVE ── */
@media(max-width:1240px){.w{width:100%}}
@media(max-width:960px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .mid-grid{grid-template-columns:1fr}
  .ft-main .w{grid-template-columns:1fr 1fr}
  .pg-layout .w{grid-template-columns:1fr}
  .sidebar{display:none}
  .process-wrap{grid-template-columns:repeat(3,1fr);gap:24px}
  .process-wrap::before{display:none}
  .stats-bar .w{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  /* 顶部信息栏手机端隐藏 */
  .topbar{display:none}

  /* 头部布局优化 */
  .site-hd .w{height:60px;padding:0 16px}
  .logo-name{font-size:16px;letter-spacing:1px}
  .hd-right{gap:0}
  .hd-tel{display:none}
  .btn-cta{padding:8px 14px;font-size:13px}

  /* 汉堡菜单 */
  .nav-toggle{display:flex}
  .main-nav{position:relative}
  .main-nav .w{padding:0}
  .main-nav>div>ul{
    display:none;
    flex-direction:column;
    position:absolute;
    top:0;left:0;right:0;
    background:var(--c1);
    z-index:1000;
    box-shadow:0 8px 24px rgba(0,0,0,.2);
  }
  .main-nav>div>ul.open{display:flex}
  .main-nav>div>ul>li{flex:none;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}
  .main-nav>div>ul>li>a{height:auto;line-height:1;padding:14px 20px;font-size:15px}
  .nav-drop{display:none!important}

  /* 导航栏高度调整为汉堡菜单行 */
  .main-nav{background:var(--c1)}
  .main-nav .w{display:flex;justify-content:flex-end;align-items:center;height:48px;padding:0 16px}

  /* Hero */
  .hero{height:240px}
  .hero-h1{font-size:20px;margin-bottom:10px}
  .hero-sub{font-size:13px;margin-bottom:16px;display:none}
  .hero-tag{font-size:11px;margin-bottom:10px}
  .hero-btns{gap:10px}
  .btn-hero-p,.btn-hero-s{padding:10px 18px;font-size:13px}
  .hero-arr{width:34px;height:34px;font-size:16px}
  .hero-arr.prev{left:10px}
  .hero-arr.next{right:10px}

  /* 统计栏 */
  .stats-bar .w{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:18px 10px}
  .stat-num{font-size:26px}
  .stat-lbl{font-size:12px}

  /* 服务卡片 */
  .svc-grid{grid-template-columns:1fr 1fr;gap:12px}
  .svc-card{padding:20px 14px}
  .svc-icon{width:52px;height:52px;margin-bottom:12px}
  .svc-icon svg{width:26px;height:26px}
  .svc-name{font-size:14px}
  .svc-desc{font-size:12px}

  /* 流程步骤 */
  .process-wrap{grid-template-columns:repeat(2,1fr);gap:16px}
  .proc-num{width:52px;height:52px;font-size:18px}

  /* 公告表格 */
  .ann-table th:nth-child(3),.ann-table td:nth-child(3),
  .ann-table th:nth-child(4),.ann-table td:nth-child(4){display:none}
  .ann-table th,.ann-table td{padding:10px 10px;font-size:12px}
  .ann-tabs{overflow-x:auto;white-space:nowrap}
  .ann-tab{padding:10px 16px;font-size:13px}

  /* 内页布局 */
  .pg-banner{padding:24px 0}
  .pg-banner h1{font-size:20px}
  .pg-content{padding:20px 16px}
  .pg-title{font-size:17px}

  /* 关于我们数据格子 */
  .about-stats-grid{
    grid-template-columns:repeat(2,1fr)!important;
  }

  /* 底部 */
  .ft-main .w{grid-template-columns:1fr}
  .ft-main{padding:32px 0 24px}
  .ft-col{display:none}
  .ft-brand p{font-size:12px;line-height:2}
  .ft-bottom .w{font-size:11px;line-height:1.8}

  /* 通用间距 */
  .sec{padding:32px 0}
  .sec-title{margin-bottom:28px}
  .sec-title h2{font-size:22px}
  .w{padding:0 14px}
}
@media(max-width:400px){
  .logo-name{font-size:14px}
  .svc-grid{grid-template-columns:1fr}
  .hero{height:200px}
  .hero-h1{font-size:18px}
  .btn-hero-p,.btn-hero-s{padding:9px 14px;font-size:12px}
}