:root{
  --blue:#0B3D91; --blue-deep:#082C6B; --blue-soft:#E8EFF9;
  --teal:#0E9F8A; --teal-soft:#E2F5F2;
  --gold:#C8963E;
  --ink:#16233A; --ink-2:#5A6B82; --ink-3:#8A98AC;
  --bg:#FFFFFF; --bg-soft:#F4F7FB; --line:#E3E9F2;
  --radius:10px;
  --shadow:0 6px 24px rgba(11,61,145,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Helvetica,'Hiragino Sans GB','Microsoft Yahei','微软雅黑',Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.topbar{background:var(--blue-deep);color:#cdd8ec;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#cdd8ec}
header.nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(11,61,145,.04)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;max-width:1180px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:20px}
.brand-mark{ height:56px;flex-shrink:0;object-fit:cover;object-position:left center; }
.brand-name{font-size:17px;font-weight:700;color:var(--blue);line-height:1.3}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.5px;margin-top:6px;line-height:1.2}
.brand-calligraphy{max-width:310px;height:auto;display:block;object-fit:contain}
nav.menu{display:flex;gap:6px;align-items:center}
nav.menu a{padding:10px 18px;font-size:16px;font-weight:700;color:var(--ink);border-radius:6px;transition:.2s}
nav.menu a:hover{color:var(--blue);background:var(--blue-soft)}
nav.menu a.active{color:var(--blue);font-weight:700;background:var(--blue-soft);position:relative}
nav.menu a.active::after{content:'';position:absolute;left:18px;right:18px;bottom:2px;height:2.5px;background:var(--teal);border-radius:2px}
.burger{display:none;font-size:26px;background:none;border:none;cursor:pointer;color:var(--blue)}

/* ===== 视图切换 ===== */
.view{display:none;animation:fade .35s ease}
.view.show{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ===== Hero ===== */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2;transition:opacity 1.2s ease}
.hero-bg.a{background-image:url('../assets/campus.jpg');opacity:1}
.hero-bg.b{background-image:url('../assets/hero2.jpg');opacity:0;background-position:75% center}
.hero-bg.c{background-image:url('../assets/hero3.jpg');opacity:0;background-position:center}
.hero-bg.d{background-image:url('../assets/hero4.jpg');opacity:0;background-position:center}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(8,44,107,.94) 0%,rgba(11,61,145,.82) 45%,rgba(14,159,138,.55) 100%);z-index:-1}
.hero-inner{max-width:1180px;margin:0 auto;padding:80px 24px;width:100%}
.hero-tag{display:inline-block;padding:6px 14px;border:1px solid rgba(255,255,255,.45);border-radius:30px;font-size:13px;letter-spacing:2px;margin-bottom:22px}
.hero h1{font-size:44px;font-weight:900;line-height:1.25;margin-bottom:18px;letter-spacing:1px}
.hero h1 em{font-style:normal;color:#7FE0CE}
.hero p.lead{font-size:17px;max-width:640px;color:#dce6f5;margin-bottom:32px;font-weight:300}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 30px;border-radius:6px;font-size:16px;font-weight:500;cursor:pointer;transition:.2s;border:none}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#0b8a77;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);text-decoration:none;display:inline-flex;align-items:center}
.btn-outline:hover{background:rgba(255,255,255,.15)}

/* 数据条 */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0}
.stat{padding:32px 20px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:34px;font-weight:900;color:var(--blue);line-height:1.2}
.stat b span{font-size:18px;color:var(--teal)}
.stat small{color:var(--ink-2);font-size:13.5px;letter-spacing:1px}

/* 通用区块 */
section.block{padding:72px 0}
section.block.soft{background:var(--bg-soft)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .en{font-size:13px;letter-spacing:4px;color:var(--teal);font-weight:500}
.sec-head h2{font-size:30px;font-weight:900;color:var(--ink);margin-top:8px}
.sec-head h2::after{content:'';display:block;width:48px;height:3px;background:var(--teal);margin:16px auto 0;border-radius:2px}
.sec-head p{color:var(--ink-2);max-width:640px;margin:14px auto 0;font-size:16px}
.sub-head{ margin: 44px auto 20px}

/* 业务卡片 */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.qual-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}
.qual-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:block;text-decoration:none;transition:.2s}
.qual-card:hover{box-shadow:0 8px 22px rgba(11,61,145,.14);transform:translateY(-3px);border-color:var(--teal)}
.qual-img{ filter: blur(0.5px); aspect-ratio:3/4;background-size:contain;background-position:center;background-repeat:no-repeat;background-color:#f5f7fa}
.qual-img:hover { filter: blur(0); }
.qual-name{font-size:13.5px;font-weight:600;color:var(--blue);padding:12px 14px 4px;line-height:1.5}
.qual-date{font-size:12px;color:var(--ink-3);padding:0 14px 12px}
@media(max-width:900px){.qual-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.qual-grid{grid-template-columns:1fr}}
.equip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}
.equip-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:block;text-decoration:none;transition:.2s}
.equip-card:hover{box-shadow:0 8px 22px rgba(11,61,145,.14);transform:translateY(-3px);border-color:var(--teal)}
.equip-img{height:170px;background-size:cover;background-position:center;background-color:#f2f4f7}
.equip-body{padding:12px 14px 14px}
.equip-body h3{font-size:16px;color:var(--blue);margin:0 0 6px}
.equip-body p{font-size:13px;color:var(--ink-2);line-height:1.6;margin:0}
@media(max-width:900px){.equip-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.equip-grid{grid-template-columns:1fr}}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.25s;cursor:pointer}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--teal)}
.svc-ico{width:48px;height:48px;border-radius:9px;background:var(--teal-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--teal)}
.svc-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--blue)}
.svc-card p{font-size:14px;color:var(--ink-2);line-height:1.7}
.svc-card ul{margin-top:12px;padding-left:0;list-style:none}
.svc-card ul li{font-size:13px;color:var(--ink-2);padding:3px 0 3px 16px;position:relative}
.svc-card ul li::before{content:'';position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* 双栏 */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.two-col img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:340px;object-fit:cover;object-position:center}
.feat-list{margin-top:18px}
.feat-list .item{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.feat-list .item:last-child{border-bottom:none}
.feat-list .num{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
.feat-list h4{font-size:16.5px;font-weight:700}
.feat-list p{font-size:13.5px;color:var(--ink-2)}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:36px}
.news-col h3{font-size:18px;font-weight:700;color:var(--blue);padding-bottom:12px;border-bottom:2px solid var(--blue);margin-bottom:8px;display:flex;justify-content:space-between;align-items:baseline}
.news-col h3 a{font-size:12.5px;color:var(--ink-3);font-weight:400}
.news-item{display:flex;gap:16px;align-items:center;padding:15px 10px;border-bottom:1px solid var(--line);cursor:pointer;transition:.25s;border-radius:8px}
.news-item:hover{background:var(--blue-soft);padding-left:16px;box-shadow:0 2px 10px rgba(11,61,145,.06)}
.news-item:hover .t{color:var(--teal)}
.news-date{flex-shrink:0;text-align:center;width:56px;background:linear-gradient(180deg,#eef4ff,#f6f9ff);border-radius:8px;padding:7px 0}
.news-date b{display:block;font-size:22px;color:var(--blue);font-weight:900;line-height:1.1}
.news-date small{color:var(--ink-3);font-size:12px}
.ni-main{flex:1;min-width:0}
.news-item .t{font-size:16px;color:var(--ink);transition:.2s;font-weight:600;line-height:1.45}
.news-item .d{font-size:12.5px;color:var(--ink-3);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ni-arrow{color:var(--blue);font-size:20px;flex-shrink:0;opacity:0;transform:translateX(-4px);transition:.25s}
.news-item:hover .ni-arrow{opacity:1;transform:translateX(0)}

/* 新闻详情弹窗 */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:24px}
.modal.show{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(10,30,70,.55);backdrop-filter:blur(2px)}
.modal-box{position:relative;background:#fff;border-radius:14px;max-width:760px;width:100%;max-height:84vh;overflow:auto;padding:30px 36px;box-shadow:0 24px 70px rgba(0,0,0,.28);animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:16px;right:20px;font-size:30px;color:var(--ink-3);cursor:pointer;line-height:1;transition:.2s}
.modal-close:hover{color:var(--blue)}
.modal-title{font-size:22px;font-weight:700;color:var(--blue);line-height:1.45;margin-bottom:8px;padding-right:36px}
.modal-date{font-size:13px;color:var(--ink-3);padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.modal-date:before{content:'';width:6px;height:6px;border-radius:50%;background:var(--teal)}
.modal-body p{font-size:16px;color:var(--ink);line-height:2;margin:0 0 14px;text-indent:2em}
.modal-imgs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.modal-imgs img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--line);display:block;max-height:340px;width:auto}
.modal-att{margin-top:6px;padding-top:14px;border-top:1px dashed var(--line)}
.att-head{font-size:13px;font-weight:700;color:var(--blue);margin-bottom:10px}
.att-list{display:flex;flex-direction:column;gap:8px}
.att-item{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--line);border-radius:8px;background:var(--blue-soft);color:var(--blue);font-size:13.5px;transition:.2s;width:fit-content;max-width:100%}
.att-item:hover{border-color:var(--blue);transform:translateY(-1px);box-shadow:0 3px 10px rgba(11,61,145,.12)}
.notice-item{cursor:pointer;transition:.2s;border-radius:6px}
.notice-item:hover{color:var(--blue);background:var(--blue-soft)}

/* 新闻详情页面 */
.detail-crumb{font-size:13.5px;color:var(--ink-3);padding:14px 0;border-bottom:1px solid var(--line);margin-bottom:28px}
.detail-crumb a{color:var(--ink-3);text-decoration:none;transition:.2s}
.detail-crumb a:hover{color:var(--blue)}
.detail-crumb .sep{margin:0 8px;color:var(--ink-4,#b6c2d4)}
.detail-crumb .cur{color:var(--blue);font-weight:600}
.detail-article{background:#fff;border-radius:var(--radius);padding:34px 40px;box-shadow:0 2px 16px rgba(11,61,145,.05)}
.detail-title{  text-align: center;  font-size:26px;font-weight:800;color:var(--ink);line-height:1.5;margin: 1em 0 0.3em; }
.detail-date{font-size:13px;color:var(--ink-3);padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:20px;display:flex;align-items:center;gap:8px}
.detail-date:before{content:'';width:6px;height:6px;border-radius:50%;background:var(--teal)}
.detail-meta { color: #999; text-align: center; }
.detail-imgs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.detail-imgs img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--line);display:block;max-height:400px;width:auto}
.detail-body,
.detail-body p,
.detail-content p{font-size:16.5px;color:var(--ink);line-height:2.1;margin:0 0 16px;text-indent:2em}
.detail-content p.sig{text-align:right;text-indent:0;color:#6b7890;font-size:14px;margin-top:8px}
.detail-sig p{text-align:right;text-indent:0;color:#6b7890;font-size:14px;margin-top:10px}
.detail-att{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line)}
.detail-back{margin-top:32px;text-align:center}

.news-side,
.detail-page { max-width: 1180px; margin: 0 auto; }
.detail-body img { margin: 0 auto; height: auto !important; }

.list_page_box{text-align:center;padding:24px 0 10px;font-size:14px;color:var(--ink-3)}
.list_page_box b,.list_page_box a{display:inline-block;height:32px;line-height:31px;padding:0 12px;margin:0 3px;border-radius:6px;font-size:13px;transition:all .2s;text-decoration:none}
.list_page_box b{background:var(--blue);color:#fff;font-weight:700}
.list_page_box a{background:#f2f5fa;color:var(--ink-2);border:1px solid transparent}
.list_page_box a:hover{background:var(--blue-soft);color:var(--blue);border-color:var(--blue);box-shadow:0 2px 8px rgba(11,61,145,.1)}


/* 页脚 */
footer{background:var(--blue-deep);color:#9fb0cc;padding:56px 0 24px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700}
.foot-grid p,.foot-grid li{font-size:13.5px;line-height:2}
.foot-grid ul{list-style:none}
.foot-grid a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;text-align:center;font-size:12.5px;color:#7e8eac}

/* ===== 中心概况 ===== */
.about-hero{background:linear-gradient(120deg,var(--blue-deep),var(--blue));color:#fff;padding:56px 0}
.about-hero h1{font-size:32px;font-weight:900}
.about-hero .crumb{font-size:13px;opacity:.8;margin-top:8px}
.prose{font-size:16.5px;color:var(--ink);line-height:2}
.prose p{margin-bottom:16px;text-indent:2em}

/* 时间轴 */
.timeline{position:relative;margin:30px 0}
.tl-grid{display:grid;grid-template-columns:110px 40px 1fr;gap:0;align-items:center;padding:14px 0}
.tl-y{text-align:right;font-weight:900;font-size:20px;color:var(--blue)}
.tl-axis{position:relative;height:100%;display:flex;justify-content:center}
.tl-dot{width:14px;height:14px;border-radius:50%;background:var(--teal);border:3px solid var(--teal-soft);z-index:2;margin-top:6px}
.tl-line{position:absolute;top:0;bottom:0;width:2px;background:var(--line);left:50%;transform:translateX(-50%)}
.tl-content h4{font-size:16px;font-weight:700;color:var(--ink)}
.tl-content p{font-size:13.5px;color:var(--ink-2);margin-top:4px}

/* 资质徽章 */
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.qual-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:8px;padding:20px 22px}
.qual-card h4{font-size:16.5px;font-weight:700;color:var(--blue)}
.qual-card p{font-size:13px;color:var(--ink-2);margin-top:6px}

/* 专家 */
.exp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.exp-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 18px;transition:.2s}
.exp-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.exp-avatar{width:110px;height:110px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid var(--bg);box-shadow:0 0 0 2px var(--line)}
.exp-avatar img{width:100%;height:100%;object-fit:cover;object-position:center top}
.exp-card h4{font-size:17px;font-weight:700;color:var(--blue)}
.exp-card .role{font-size:12.5px;color:var(--teal);margin:6px 0}
.exp-card p{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ===== 送检流程 ===== */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:20px}
.flow-step{text-align:center;padding:0 18px;position:relative}
.flow-step .circle{width:88px;height:88px;border-radius:50%;background:#fff;border:3px solid var(--teal);color:var(--teal);font-size:32px;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;position:relative;z-index:2;box-shadow:0 0 0 8px var(--teal-soft)}
.flow-step:not(:last-child)::before{content:'';position:absolute;top:44px;left:calc(50% + 50px);right:calc(-50% + 50px);height:2px;background:var(--teal-soft);z-index:1}
.flow-step h3{font-size:17px;font-weight:700;color:var(--blue)}
.flow-step p{font-size:13.5px;color:var(--ink-2);margin-top:8px;line-height:1.8}
.flow-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px}
.flow-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px}
.flow-col-title{font-size:16px;font-weight:700;color:var(--blue);margin-bottom:6px;padding-bottom:12px;border-bottom:2px solid var(--teal);display:flex;align-items:center;gap:8px}
.flow-track{display:flex;flex-direction:column}
.fstep{display:flex;gap:14px;align-items:flex-start}
.fdot{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#14b8a6,var(--teal));color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 3px 10px rgba(14,159,138,.4)}
.fbody{flex:1;min-width:0}
.fhead{font-size:14px;font-weight:700;color:var(--blue);margin-bottom:4px}
.fhead::after{content:'';display:block;width:26px;height:2px;background:var(--teal);margin-top:4px;border-radius:2px}
.fbody ul{list-style:none;margin:6px 0 0;padding:0}
.fbody li{font-size:13px;line-height:1.8;color:var(--ink-2);padding-left:16px;position:relative}
.fbody li::before{content:'';position:absolute;left:0;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--teal)}
.fbody li b{color:var(--blue);font-weight:600}
.fbody li.fwarn{color:#e6a23c}
.fbody li.fwarn::before{background:#e6a23c}
.fbody li.fok{padding-left:0;color:#2f9e44;font-weight:600}
.fbody li.fok::before{display:none}
.fconn{position:relative;height:40px;margin-left:14px}
.fconn::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);background:linear-gradient(var(--teal),rgba(20,184,166,.35))}
.fconn::after{content:'';position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--teal)}
.farrow{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:24px;height:24px;border-radius:50%;background:#fff;border:1.5px solid var(--teal);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:13px;z-index:2;box-shadow:0 2px 6px rgba(14,159,138,.25)}
.flow-note{margin-top:26px;background:var(--blue-soft);border-radius:var(--radius);padding:18px 24px;border-left:4px solid var(--blue)}
.flow-note h3{font-size:14px;font-weight:700;color:var(--blue);margin-bottom:6px}
.flow-note p{font-size:13px;color:var(--ink-2);line-height:1.8}
@media(max-width:768px){.flow-cols{grid-template-columns:1fr}}

.notice-box{background:var(--blue-soft);border-radius:var(--radius);padding:28px 32px;border-left:4px solid var(--blue)}
.notice-box h3{color:var(--blue);font-size:17px;margin-bottom:12px}
.notice-box ul{padding-left:20px;color:var(--ink);font-size:14.5px;line-height:2}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.contact-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-row:last-child{border-bottom:none}
.contact-row .ico{flex-shrink:0;width:40px;height:40px;border-radius:8px;background:var(--teal-soft);color:var(--teal);display:flex;align-items:center;justify-content:center}
.contact-row h4{font-size:14px;color:var(--ink-3);font-weight:400}
.contact-row p{font-size:16px;font-weight:700;color:var(--ink);margin-top:2px}
.map-ph{height:340px;border-radius:var(--radius);background:linear-gradient(135deg,#dfe9f5,#e8f5f2);display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--blue);border:1px solid var(--line);position:relative;overflow:hidden}
.map-ph svg{margin-bottom:12px}
.bdmap .bm-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(11,61,145,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(11,61,145,.06) 1px,transparent 1px);background-size:34px 34px}
.bdmap .bm-pin-wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;z-index:1}
.bdmap .bm-pin{font-size:44px;filter:drop-shadow(0 4px 8px rgba(11,61,145,.25));animation:bmPulse 2s ease-in-out infinite}
@keyframes bmPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.bdmap .bm-label{font-weight:800;font-size:17px;color:var(--blue);background:rgba(255,255,255,.85);padding:3px 12px;border-radius:6px;box-shadow:0 2px 6px rgba(11,61,145,.1)}
.bdmap .bm-addr{position:relative;z-index:1;font-size:13px;opacity:.85;margin-top:10px;color:#33476b}
.bdmap .map-actions{position:relative;z-index:1;display:flex;gap:14px;margin-top:20px}
.map-btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:22px;background:var(--blue);color:#fff;font-size:13.5px;font-weight:600;text-decoration:none;transition:.2s;box-shadow:0 4px 12px rgba(11,61,145,.25)}
.map-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(11,61,145,.35);background:var(--blue-deep)}

/* 轮播 */
.news-split{display:grid;grid-template-columns:1.35fr 1fr;gap:26px;align-items:stretch}
.carousel{position:relative;border-radius:var(--radius);overflow:hidden;height:340px;box-shadow:var(--shadow)}
.carousel-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease; z-index: -1; }
.carousel-slide.active{opacity:1; z-index: 1; }
.carousel-slide img{width:100%;height:100%;object-fit:cover}
.carousel-caption{position:absolute;left:0;right:0;bottom:0;padding:70px 36px 26px;background:linear-gradient(transparent,rgba(8,44,107,.92))}
.carousel-caption .date{color:#7FE0CE;font-size:13px;letter-spacing:1px}
.carousel-caption h3{color:#fff;font-size:21px;margin-top:8px;font-weight:700;line-height:1.5}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.18);backdrop-filter:blur(4px);color:#fff;border:none;cursor:pointer;font-size:22px;display:flex;align-items:center;justify-content:center;transition:.2s;z-index:3}
.carousel-arrow:hover{background:rgba(255,255,255,.4)}
.carousel-arrow.prev{left:16px}
.carousel-arrow.next{right:16px}
.carousel-dots{position:absolute;bottom:18px;right:28px;display:flex;gap:8px;z-index:3}
.carousel-dot{width:10px;height:10px;border-radius:5px;background:rgba(255,255,255,.45);cursor:pointer;border:none;padding:0;transition:.2s}
.carousel-dot.active{background:#7FE0CE;width:28px}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;display:flex;flex-direction:column}
.news-side h3{font-size:16px;color:var(--blue);padding-bottom:12px;border-bottom:2px solid var(--blue);margin-bottom:4px;display:flex;justify-content:space-between;align-items:center}
.news-side h3 span{font-size:12.5px;color:var(--ink-3);font-weight:400;cursor:pointer}
.news-side h3 span:hover{color:var(--teal)}
.news-side .item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);cursor:pointer;align-items:baseline}
.news-side .item:last-child{border-bottom:none}
.news-side .date{color:var(--teal);font-weight:700;font-size:12.5px;flex-shrink:0;font-variant-numeric:tabular-nums}
.news-side .title{font-size:14px;color:var(--ink);line-height:1.5;transition:.2s}
.news-side .item:hover .title{color:var(--teal)}
.notice-list-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 32px}
.notice-list{list-style:none}
.notice-list li{padding:14px 0;font-size:16px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;cursor:pointer;border-bottom:1px solid var(--line)}
.notice-list li:last-child{border-bottom:none}
.notice-list li:hover{color:var(--teal)}
.notice-list li span{color:var(--teal);font-weight:700;font-size:13.5px;flex-shrink:0;margin-left:24px;font-variant-numeric:tabular-nums}
.notice-cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch}
.notice-cols>div{display:flex;flex-direction:column}
.notice-cols .notice-list-wrap{flex:1}
.sec-head.left{text-align:left;margin-bottom:18px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.sec-head.left .en{margin:0}
.sec-head.left h2{margin:0;font-size:22px}
.more-link{margin-left:auto;font-size:13px;color:var(--teal);text-decoration:none}
/* 技术规范三分类 */
.std-nav{display:flex;flex-direction:column;gap:12px}
.std-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 22px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:8px;cursor:pointer;text-align:left;transition:.2s;font-family:inherit}
.std-btn:hover{border-color:var(--teal);box-shadow:0 4px 14px rgba(11,61,145,.08);transform:translateY(-2px)}
.std-btn-t{font-size:16px;font-weight:700;color:var(--blue)}
.std-btn-s{font-size:12px;color:var(--ink-3);margin-top:3px;font-weight:400}
.std-btn-arrow{width:30px;height:30px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:.2s}
.std-btn:hover .std-btn-arrow{background:var(--teal);color:#fff;transform:translateX(3px)}
@media(max-width:768px){.notice-cols{grid-template-columns:1fr}}

/* 中心概况子标签 */
.about-tabs{display:flex;justify-content:center;gap:10px;margin:-30px auto 40px;position:relative;z-index:5;flex-wrap:wrap}
.about-tab{padding:11px 30px;border-radius:30px;background:#fff;border:1px solid var(--line);cursor:pointer;font-size:16px;color:var(--ink-2);font-weight:500;transition:.2s}
.about-tab.active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 4px 12px rgba(11,61,145,.25)}
.about-tab:hover{color:var(--blue)}
.about-tab.active:hover{color:#fff}
.about-pane{display:none}
.about-pane.active{display:block;animation:fade .3s ease}
.org-img-wrap{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.org-img-wrap img{max-width:100%;border-radius:6px;margin:0 auto}
.org-img-wrap p{color:var(--ink-2);font-size:13px;margin-top:14px}

/* ===== 组织机构图（重新设计） ===== */
.orgchart{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;position:relative}
.org-legend{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:20px;font-size:12px;color:var(--ink-3)}
.org-legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-2px}
.org-legend .l-c{background:var(--blue)}.org-legend .l-t{background:var(--teal)}.org-legend .l-g{background:var(--gold)}.org-legend .l-s{background:var(--blue-soft)}
.org-level{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;align-items:center}
.org-conn{width:2px;height:22px;background:var(--line);margin:10px auto;border-radius:2px}
.org-arrow{width:2px;height:22px;background:var(--teal);margin:8px auto;position:relative}
.org-arrow::after{content:'';position:absolute;left:-3px;bottom:0;border:4px solid transparent;border-top:5px solid var(--teal)}
.org-node{display:flex;align-items:center;justify-content:center;text-align:center;border-radius:8px;padding:12px 18px;font-weight:600;line-height:1.4;box-shadow:0 2px 8px rgba(11,61,145,.06)}
.org-root{background:linear-gradient(135deg,var(--blue-deep),var(--blue));color:#fff;font-size:16px;padding:14px 34px;border-radius:10px;min-width:210px}
.org-root small{display:block;font-weight:400;font-size:11px;color:#c3d2ee;margin-top:3px;letter-spacing:1px}
.org-school{background:var(--blue-soft);color:var(--blue);font-size:12.5px;padding:8px 14px;font-weight:500;border:1px solid #c9d8ee}
.org-college{background:var(--blue);color:#fff;font-size:14px;padding:10px 24px;min-width:180px}
.org-center-name{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;font-size:16px;padding:16px 28px;border-radius:10px;min-width:300px;line-height:1.6;box-shadow:0 6px 20px rgba(11,61,145,.22)}
.org-center-name small{display:block;font-weight:400;font-size:12px;color:#bfd3f2;margin-top:4px}
.org-chief{background:var(--teal);color:#fff;font-size:16px;padding:12px 30px;border-radius:10px}
.regu-wrap{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin:4px 0}
.regu{flex:1;min-width:230px;max-width:360px;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:12px 16px;text-align:center}
.regu h6{font-size:11.5px;color:var(--ink-3);font-weight:600;letter-spacing:2px;margin-bottom:9px}
.regu .tags{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
.regu .tag{font-size:12px;padding:4px 12px;border-radius:20px;background:#fff;border:1px solid var(--line);color:var(--ink-2);white-space:nowrap}
.regu .tag.c{background:var(--blue-soft);border-color:var(--blue);color:var(--blue);font-weight:500}
.regu .tag.p{background:var(--teal-soft);border-color:var(--teal);color:var(--teal);font-weight:500}
.org-row3{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;align-items:stretch}
.org-board{flex:1;min-width:230px;max-width:300px;border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:#fff;text-align:left}
.org-board h4{font-size:14px;font-weight:700;color:var(--blue);padding-bottom:9px;margin-bottom:10px;border-bottom:2px solid var(--blue);display:flex;align-items:center;gap:7px}
.org-board.teal h4{color:var(--teal);border-color:var(--teal)}
.org-board.gold h4{color:var(--gold);border-color:var(--gold)}
.org-board ul{list-style:none;font-size:12.5px;color:var(--ink-2);line-height:2}
.org-board ul b{color:var(--blue)}
.org-units{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;align-items:stretch}
.org-unit{flex:1; background:#fff;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:8px;padding:12px 14px;text-align:left}
@media(max-width:700px){
    .org-unit{ min-width:150px;max-width:200px; }
}
.org-unit h5{font-size:13px;color:var(--blue);font-weight:700;margin-bottom:4px}
.org-unit .lead{font-size:11px;color:var(--ink-3);margin-bottom:7px;padding-bottom:6px;border-bottom:1px dashed var(--line)}
.org-unit ul{list-style:none;font-size:11.5px;color:var(--ink-2);line-height:1.9}
.org-note{text-align:center;font-size:12.5px;color:var(--ink-3);margin-top:20px;border-top:1px dashed var(--line);padding-top:14px}
/* 质量保证部主任 + 委员会虚线联动 */
.org-qa{display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap}
.org-qa-core{background:linear-gradient(135deg,var(--teal),#0b8a77);color:#fff;border-radius:10px;padding:16px 30px;text-align:center;box-shadow:0 6px 18px rgba(14,159,138,.25)}
.org-qa-core b{display:block;font-size:16px;line-height:1.4}
.org-qa-core small{font-size:12px;color:#d9f5ef}
.org-qa-com{flex:1;min-width:200px;max-width:300px;border:1.5px dashed var(--teal);border-radius:10px;padding:12px 16px;text-align:center;background:var(--teal-soft)}
.org-qa-com .dash-tag{font-size:11px;color:var(--teal);letter-spacing:2px;margin-bottom:6px;font-weight:600}
.org-qa-com h6{font-size:14px;color:var(--ink);font-weight:700}
@media(max-width:700px){.orgchart{padding:20px 12px}.org-center-name{min-width:0;padding:14px 16px}}
.dept-list{display:flex;flex-direction:column;gap:14px}
.dept-item{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(11,61,145,.05)}
.dept-head{width:100%;display:flex;align-items:center;gap:12px;padding:15px 22px;background:#fff;border:none;cursor:pointer;text-align:left;transition:.2s;font-family:inherit}
.dept-head:hover{background:var(--bg-soft)}
.dept-head .dept-ico{width:38px;height:38px;border-radius:9px;background:var(--teal-soft);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.dept-head .dept-name{font-size:16px;font-weight:700;color:var(--blue);flex:1}
.dept-head .dept-arrow{color:var(--ink-3);font-size:14px;transition:transform .25s}
.dept-item.open .dept-arrow{transform:rotate(180deg)}
.dept-body{display:none;padding:4px 26px 22px;border-top:1px dashed var(--line)}
.dept-item.open .dept-body{display:block;animation:fade .3s ease}
.dept-body p{font-size:14px;color:var(--ink-2);line-height:1.9;margin:12px 0;text-indent:2em}
.dept-body p.dept-contact{color:var(--blue);font-weight:600;text-indent:0}
.dept-points{list-style:none;margin:8px 0 2px;padding:0}
.dept-points li{font-size:13.5px;color:var(--ink-2);line-height:1.9;padding-left:20px;position:relative}
.dept-points li::before{content:'';position:absolute;left:5px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.dept-motto{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.dept-motto b{display:inline-block;padding:6px 16px;background:var(--blue-soft);color:var(--blue);border-radius:20px;font-size:12.5px;font-weight:600}
/* 部门介绍与专家团队并列 */
.dept-exp{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:start}
.dept-exp .dept-grid{grid-template-columns:1fr 1fr}
.dept-exp .exp-grid{grid-template-columns:1fr 1fr}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 22px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;transition:.2s}
.dl-card:hover{box-shadow:0 6px 20px rgba(11,61,145,.08);transform:translateY(-2px)}
.dl-icon{font-size:30px}
.dl-card h4{font-size:16px;color:var(--blue);font-weight:700}
.dl-card p{font-size:13px;color:var(--ink-3);flex:1}
.dl-btn{margin-top:6px;display:inline-block;padding:7px 18px;background:var(--teal);color:#fff;border-radius:6px;font-size:13px;text-decoration:none}
.dl-btn:hover{background:#0b8a77}
/* 文件列表（毒理部分标准） */
.doc-list{display:flex;flex-direction:column;gap:12px}
.doc-row{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 20px;transition:.2s}
.doc-row:hover{border-color:var(--teal);box-shadow:0 2px 10px rgba(11,61,145,.06)}
.doc-name{font-size:14.5px;color:var(--ink);flex:1;display:flex;align-items:center;gap:10px;min-width:0}
.doc-name .doc-ico{color:var(--teal);flex-shrink:0;font-size:16px}
.doc-actions{display:flex;gap:8px;flex-shrink:0}
.doc-actions a{padding:7px 16px;border-radius:6px;font-size:13px;text-decoration:none;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.doc-view{background:var(--blue);color:#fff}
.doc-view:hover{background:var(--blue-deep)}
.doc-dl{background:var(--teal);color:#fff}
.doc-dl:hover{background:#0b8a77}
@media(max-width:560px){.doc-row{flex-direction:column;align-items:flex-start}.doc-actions{width:100%}.doc-actions a{flex:1;justify-content:center}}
@media(max-width:768px){.dl-grid{grid-template-columns:1fr}}

/* 响应式 */
.decl-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:8px;padding:26px 30px;margin-bottom:18px}
.decl-card .decl-tag{display:inline-block;background:var(--blue);color:#fff;font-size:13px;font-weight:600;padding:4px 14px;border-radius:4px;margin-bottom:14px;letter-spacing:1px}
.decl-card p{font-size:16px;color:var(--ink-2);line-height:1.9;text-indent:2em}
@media(max-width:900px){
  .topbar{display:none}
  .nav-inner{height:64px}
  nav.menu{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:12px;border-bottom:1px solid var(--line);display:none}
  nav.menu.open{display:flex}
  nav.menu a{width:100%}
  .burger{display:block}
  .hero h1{font-size:30px}
  .hero-inner{padding:56px 20px}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
  .svc-grid,.qual-grid,.exp-grid{grid-template-columns:1fr 1fr}
  .dept-grid{grid-template-columns:1fr 1fr}
  .two-col,.news-grid,.contact-grid{grid-template-columns:1fr}
  .dept-exp{grid-template-columns:1fr}
  .news-split{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr;gap:30px}
  .flow-step:not(:last-child)::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .tl-grid{grid-template-columns:80px 30px 1fr}
}
@media(max-width:560px){
  .svc-grid,.qual-grid,.exp-grid{grid-template-columns:1fr}
  .dept-exp .dept-grid,.dept-exp .exp-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .topbar .hide-m{display:none}
}
.back-top{position:fixed;right:26px;bottom:42px;z-index:999;width:46px;height:46px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;font-size:17px;line-height:1;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 14px rgba(11,61,145,.35);transition:all .2s}
.back-top:hover{background:linear-gradient(135deg,var(--blue-deep),#083a8c);transform:translateY(-2px);box-shadow:0 6px 18px rgba(11,61,145,.45)}
.sub-tabs{display:flex;gap:10px;margin:0 0 22px}
.sub-tab{padding:10px 28px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink-2);transition:.2s;font-family:inherit}
.sub-tab:hover{color:var(--blue);border-color:var(--blue)}
.sub-tab.active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 4px 12px rgba(11,61,145,.2)}
.notice-list-wrap{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 22px}
@media(max-width:768px){.back-top{right:16px;bottom:30px;width:40px;height:40px;font-size:16px}}