/* ==========================================================================
   中析研究所 全站样式  /2027/css/style.css  v2027.11
   布局：左侧固定侧栏 400px + 右侧唯一滚动容器
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --side-w: 400px;
  --navy-950:#07142a;  --navy-900:#0a1b33;  --navy-800:#0d2547;  --navy-700:#13305c;
  --primary:#1e5eff;    --primary-deep:#0f42d8;
  --cyan:#00b8d9;       --accent:#ff8a1e;
  --side-bg:#183883;
  --green1:#25c26a;     --green2:#0da356;
  --bg:#f3f6fb;         --card:#ffffff;
  --ink:#101c33;        --muted:#5c6c88;    --faint:#8b99b3;
  --line:#e3eaf4;
  --grad: linear-gradient(135deg,#1e5eff 0%,#00b8d9 100%);
  --grad-soft: linear-gradient(135deg,#eaf1ff 0%,#e6f9fd 100%);
  --grad-green: linear-gradient(135deg,#25c26a 0%,#0da356 100%);
  --r-lg:18px;  --r-md:14px;  --r-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-1:0 2px 10px rgba(16,28,51,.05);
  --shadow-2:0 10px 30px rgba(16,28,51,.10);
  --shadow-3:0 18px 44px rgba(16,28,51,.16);
  --font:"PingFang SC","Microsoft YaHei","微软雅黑","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
body{font-family:var(--font);font-size:16px;line-height:2.05;color:var(--ink);background:var(--bg);overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
li{list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;border-spacing:0}
::selection{background:rgba(30,94,255,.22)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.ico{width:1.2em;height:1.2em;flex:none;vertical-align:-.22em}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#c6d2e6;border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:#a9bad6}
::-webkit-scrollbar-track{background:transparent}

/* ==========================================================================
   右侧固定侧栏
   ========================================================================== */
.sidebar{position:fixed;top:0;right:0;left:auto;width:var(--side-w);height:100vh;height:100dvh;background:var(--side-bg);color:#fff;overflow-y:auto;overflow-x:hidden;z-index:130;transition:transform .45s var(--ease);scrollbar-width:thin}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22)}
.side-inner{padding:26px 24px 18px;display:flex;flex-direction:column;min-height:100%}

/* Logo 区域 */
.brand{display:block;text-align:center;padding:6px 0 14px}
.brand-logo{margin:0 auto 8px;max-width:100%;filter:brightness(0) invert(1) drop-shadow(0 4px 10px rgba(0,0,0,.25))}
.brand-name{font-size:24px;font-weight:800;letter-spacing:2px;color:#fff}
.brand-sub{font-size:12px;color:rgba(255,255,255,.72);margin-top:2px;letter-spacing:.5px}
.brand-tags{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:9px;font-size:11.5px;color:rgba(255,255,255,.85)}
.brand-tags b{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:20px;padding:0 6px;border-radius:6px;font-weight:700;font-size:11px;letter-spacing:.5px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff}

/* 搜索框（帝国CMS格式） */
.side-search{display:flex;align-items:stretch;background:#fff;border-radius:999px;overflow:hidden;box-shadow:0 6px 18px rgba(4,14,34,.35)}
.side-search input[type="text"]{flex:1;min-width:0;border:0;outline:none;background:transparent;padding:0 6px 0 18px;font-size:13px;color:var(--ink);height:46px}
.side-search input[type="text"]::placeholder{color:var(--faint)}
.side-search button{width:52px;height:46px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;transition:filter .25s}
.side-search button:hover{filter:brightness(1.1)}
.side-search button svg{width:18px;height:18px}

/* 栏目导航（九宫格） */
.side-nav{background:#fff;border-radius:var(--r-md);padding:10px;margin-top:16px}
.side-nav .nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.side-nav .nav-grid a{position:relative}
.side-nav .nav-new{position:absolute;top:5px;right:5px;font-style:normal;font-size:9px;font-weight:800;line-height:1;color:#fff;background:linear-gradient(135deg,#ff5f6d,#ff8a1e);border-radius:6px;padding:3px 5px;letter-spacing:.5px;box-shadow:0 3px 8px rgba(255,95,109,.45);animation:newPulse 1.8s ease-in-out infinite}
@keyframes newPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.12);opacity:.85}}
.side-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#f4f7fd;border-radius:var(--r-sm);padding:13px 4px 11px;color:#22335a;font-size:13px;font-weight:600;line-height:1.4;text-align:center;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s}
.side-nav a:hover{transform:translateY(-3px);background:#fff;box-shadow:var(--shadow-2)}
.side-nav a svg{width:25px;height:25px}
.side-nav a span{white-space:nowrap}

/* 彩色图标 */
.c-blue{color:var(--primary)} .c-cyan{color:var(--cyan)} .c-green{color:var(--green1)}
.c-orange{color:#ff8a1e} .c-purple{color:#8b5cf6} .c-pink{color:#ec4899}
.c-teal{color:#14b8a6} .c-amber{color:#f59e0b} .c-red{color:#ef4444} .c-navy{color:#33507d}

/* 咨询按钮（绿色渐变，距上下各10px） */
.btn-consult{display:flex;align-items:center;justify-content:center;gap:8px;margin:10px 0;height:48px;border-radius:999px;background:var(--grad-green);color:#fff;font-size:16px;font-weight:700;letter-spacing:1px;box-shadow:0 8px 20px rgba(13,163,86,.35);transition:transform .3s var(--ease),box-shadow .3s,filter .3s}
.btn-consult:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(13,163,86,.45)}
.btn-consult svg{width:20px;height:20px}

/* 联系方式 */
.side-contact{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:14px 16px;font-size:12.5px;line-height:1.8}
.side-contact .contact-row{display:flex;gap:9px;align-items:flex-start;padding:5px 0;color:rgba(255,255,255,.88)}
.side-contact .contact-row svg{width:15px;height:15px;margin-top:5px;color:#7ed4ff;flex:none}
.side-contact .contact-row b{color:#fff;font-weight:600}

/* 侧栏底部 */
.side-foot{margin-top:auto;padding-top:16px;text-align:center;font-size:12px;color:rgba(255,255,255,.62);line-height:1.9}
.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 0;margin-bottom:6px}
.foot-links{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:10px}
.foot-links a{display:block;text-align:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:4px 4px;color:rgba(255,255,255,.85);font-size:12px;transition:all .25s var(--ease)}
.foot-links a:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-1px)}
.foot-row{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:4px}
.foot-row i{font-style:normal;color:rgba(255,255,255,.3)}
.side-foot a{color:rgba(255,255,255,.72);transition:color .25s}
.side-foot a:hover{color:#fff}
.side-foot .icp{display:inline-block}

/* ==========================================================================
   折叠按钮（三箭头流动）
   ========================================================================== */
.side-toggle{position:fixed;right:calc(var(--side-w) - 8px);left:auto;top:50%;transform:translateY(-50%);z-index:125;width:34px;height:82px;border-radius:12px;background:rgba(255,255,255,.6);color:var(--primary);display:flex;align-items:center;justify-content:center;box-shadow:-2px 4px 18px rgba(10,27,61,.22),0 0 0 1px rgba(30,94,255,.10);backdrop-filter:blur(6px);transition:right .45s var(--ease),background .3s,color .3s,box-shadow .3s}
.side-toggle:hover{background:linear-gradient(200deg,#00b8d9 0%,#1e5eff 100%);color:#fff;box-shadow:-2px 6px 22px rgba(30,94,255,.45)}
body.side-collapsed .side-toggle{right:-8px}
.ico-arrows{display:flex;align-items:center;justify-content:center}
.ico-arrows svg{width:20px;height:20px;animation:chevFlow 1.7s ease-in-out infinite}
@keyframes chevFlow{0%,100%{transform:translateX(-2.5px);opacity:.72}50%{transform:translateX(2.5px);opacity:1}}
body.side-collapsed .ico-arrows{transform:scaleX(-1)}
@keyframes arrowFlowR{0%,100%{opacity:.25;transform:translateX(0)}45%{opacity:1;transform:translateX(1px)}}
.ico-menu,.ico-close{display:none}

/* 遮罩（移动端抽屉） */
.scrim{position:fixed;inset:0;background:rgba(7,20,42,.55);backdrop-filter:blur(2px);z-index:125;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
body.side-open .scrim{opacity:1;visibility:visible}

/* ==========================================================================
   主内容区（唯一滚动容器）
   ========================================================================== */
.main{margin-right:var(--side-w);margin-left:0;min-height:100vh;transition:margin-right .45s var(--ease)}
body.side-collapsed .main{margin-right:0}
body.side-collapsed .sidebar{transform:translateX(100%)}
.scroll-area{position:relative;height:100vh;height:100dvh;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-gutter:stable}

/* 面包屑（sticky 吸顶） */
/* 首页无面包屑但保留其占位，banner 与其他页对齐 */
.page-index .crumbs-wrap{visibility:hidden}
.crumbs-wrap{position:static;z-index:100;max-width:1400px;margin:0 auto;padding:0;display:flex;justify-content:flex-end;transition:max-width .45s var(--ease)}
body.side-collapsed .crumbs-wrap{position:sticky;top:0}
.crumbs{display:flex;width:100%;align-items:center;flex-wrap:wrap;gap:8px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:10px;padding:10px 26px;font-size:13.5px;color:var(--muted);box-shadow:var(--shadow-1);backdrop-filter:blur(8px)}
body.side-collapsed .crumbs{box-shadow:var(--shadow-2)}
.crumbs .c-home svg{width:14px;height:14px;color:var(--primary);vertical-align:-2px;margin-right:4px}
.crumbs .crumb-trail{display:inline-flex;align-items:center;flex-wrap:wrap;gap:4px}
.crumbs a{transition:all .25s;padding:4px 13px;border-radius:999px}
.crumbs a:hover{color:var(--primary);background:var(--grad-soft)}
.crumbs .crumb-sep{color:#b9c9e6;font-size:13px;font-style:normal;line-height:1;margin:0 2px}
.crumbs .crumb-cur{padding:4px 13px;color:var(--ink);font-weight:600}
.crumbs .crumb-title{display:none}

/* 内容容器：展开 1200 / 收起 1400 居中 */
.container{max-width:1400px;margin:0 auto;padding:28px 0 64px;transition:max-width .45s var(--ease)}
body.side-collapsed .container{max-width:1400px}

/* ==========================================================================
   通用组件
   ========================================================================== */
/* 页头 */
.page-head{padding:22px 0 4px}
.page-title{font-size:30px;font-weight:800;line-height:1.45;color:var(--ink);text-wrap:balance}
.page-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.company-line{font-size:24px;font-weight:800;color:var(--ink);margin-top:8px;line-height:1.5}
.lead{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:100%}
.lead.full{max-width:none}
.head-actions{margin-top:20px;display:flex;gap:14px;flex-wrap:wrap}

/* 章节标题（左竖条） */
.sec{margin-top:52px}
.sec-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:24px;position:relative;padding-left:16px}
.sec-head::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-52%);width:5px;height:28px;border-radius:3px;background:var(--grad)}
.sec-title{font-size:30px;font-weight:800;line-height:1.4;text-wrap:balance}
.sec-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{font-size:14px;color:var(--faint)}
.sec-desc{color:var(--muted);font-size:14.5px;margin:2px 0 22px;max-width:1060px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:12px 30px;font-size:15.5px;font-weight:700;letter-spacing:.5px;transition:transform .3s var(--ease),box-shadow .3s,filter .3s;cursor:pointer}
.btn svg{width:18px;height:18px}
.btn:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-zx{background:var(--grad-green);color:#fff;box-shadow:0 8px 22px rgba(13,163,86,.35)}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(30,94,255,.32)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid rgba(30,94,255,.4)}
.btn-lg{padding:15px 40px;font-size:17px}

/* 卡片基础 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.38)}

/* 网格 */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
.span-all{grid-column:1/-1}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:11px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 18px;font-size:14px;color:var(--muted);transition:all .3s var(--ease)}
.chip:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(30,94,255,.28)}
.chip.big{padding:9px 22px;font-size:14.5px;font-weight:400}

/* 分页（胶囊，帝国 [!--show.listpage--] 兼容） */
.pagination{display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;margin-top:44px;font-size:14px}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 15px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);transition:all .3s var(--ease)}
.pagination a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.pagination .active{background:var(--grad);border-color:transparent;color:#fff;font-weight:700;box-shadow:0 6px 16px rgba(30,94,255,.3)}
.pagination .disabled{color:#c3cede;background:#f7f9fd;cursor:default}

/* 底部 CTA */
.cta-band{margin-top:56px;position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy-900) 0%,var(--navy-700) 55%,#123c7a 100%);border-radius:var(--r-lg);padding:42px 46px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:var(--shadow-2)}
.cta-band::before{content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(0,184,217,.35),transparent 70%)}
.cta-band::after{content:"";position:absolute;left:20%;bottom:-130px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(30,94,255,.3),transparent 70%)}
.cta-band h2{position:relative;z-index:1;font-size:26px;font-weight:800;color:#fff;line-height:1.5}
.cta-band p{position:relative;z-index:1;color:rgba(255,255,255,.78);font-size:14.5px;margin-top:6px}
.cta-band .btn{position:relative;z-index:1}

/* ==========================================================================
   视频背景区
   ========================================================================== */
.video-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 45%,#12386f 100%);border-radius:var(--r-lg)}
.video-hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.video-hero .veil{position:absolute;inset:0;z-index:1;background:linear-gradient(120deg,rgba(7,20,42,.86) 0%,rgba(13,37,71,.62) 50%,rgba(30,94,255,.34) 100%)}
.video-hero .hero-inner{position:relative;z-index:2;text-align:center;color:#fff;padding:104px 26px;display:flex;flex-direction:column;align-items:center;gap:16px}
.video-hero.v16-9{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.video-hero.v16-9 .hero-inner{position:relative;z-index:2;height:100%;justify-content:center;padding:40px 26px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:3px;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 20px;background:rgba(255,255,255,.08);backdrop-filter:blur(4px)}
.hero-title{font-size:clamp(26px,3.2vw,42px);font-weight:800;line-height:1.45;text-shadow:0 4px 22px rgba(0,0,0,.35)}
.hero-title em{font-style:normal;background:linear-gradient(135deg,#8fd0ff,#00b8d9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16px;color:rgba(255,255,255,.86);max-width:900px;line-height:1.9}
/* 首页 banner 同样使用圆角，与其他页面一致 */
.hero-index{border-radius:var(--r-lg);margin:0;width:auto}
.hero-index .hero-inner{padding:136px 26px 128px}

/* ==========================================================================
   首页组件
   ========================================================================== */
/* 关于区 */
.about-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:32px;align-items:center}
.about-split .points{margin:14px 0 4px;display:grid;gap:9px}
.about-split .points li{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:14.5px}
.about-split .points li svg{width:17px;height:17px;color:var(--green1);margin-top:6px;flex:none}
.policy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.policy-item{background:var(--grad-soft);border:1px solid #dfe9ff;border-radius:var(--r-md);padding:18px 10px;text-align:center;transition:all .3s var(--ease)}
.policy-item:hover{background:var(--grad);transform:translateY(-4px);box-shadow:0 12px 26px rgba(30,94,255,.28)}
.policy-item:hover b,.policy-item:hover span{color:#fff}
.policy-item b{display:block;font-size:22px;font-weight:800;color:var(--primary);letter-spacing:4px}
.policy-item span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.qual-tip{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--r-sm);padding:14px 16px;margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.9}
.qual-tip svg{width:19px;height:19px;color:var(--primary);flex:none;margin-top:5px}
.qual-tip b{color:var(--ink)}

/* 服务领域卡 */
.svc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px 18px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.4)}
.svc-icon{width:46px;height:46px;border-radius:13px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;margin-bottom:13px}
.svc-icon svg{width:24px;height:24px}
.svc-card h3{font-size:16px;font-weight:800;line-height:1.5}
.svc-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:7px}
.svc-card.span-all{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 26px}
.svc-card.span-all .t{display:flex;align-items:center;gap:15px}
.svc-card.span-all h3{font-size:17px}
.svc-card.span-all .go{flex:none;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:var(--primary);background:var(--grad-soft);border-radius:999px;padding:8px 20px;transition:all .3s var(--ease)}
.svc-card.span-all:hover .go{background:var(--grad);color:#fff}

/* 检测流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px 20px;box-shadow:var(--shadow-1);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.step-card::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:var(--grad-soft);opacity:.8}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;font-size:19px;font-weight:800;box-shadow:0 8px 18px rgba(30,94,255,.3)}
.step-card h3{font-size:16.5px;font-weight:800;margin-top:14px}
.step-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:6px;position:relative;z-index:1}

/* 资质证书卡 */
.cert-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.cert-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.cert-img{background:#fbfcff;border-radius:var(--r-sm);overflow:hidden;display:flex;align-items:center;justify-content:center;padding:22px 0}
.cert-img img{width:min(260px,100%);height:auto;object-fit:contain}
.cert-card h3{font-size:15.5px;font-weight:700;text-align:center;margin-top:12px}
.cert-card p{font-size:12.5px;color:var(--faint);text-align:center;margin-top:2px}

/* 仪器卡（图上文下） */
.yiqi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.yiqi-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.4)}
.yiqi-img{aspect-ratio:16/10;overflow:hidden;background:#eef3fb}
.yiqi-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.yiqi-card:hover .yiqi-img img{transform:scale(1.06)}
.yiqi-card .bd{padding:14px 16px 16px}
.yiqi-card h3{font-size:15.5px;font-weight:800;line-height:1.55}
.yiqi-card h3 a:hover{color:var(--primary)}
.yiqi-card p{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:5px}
.yiqi-card.thumb-200 .yiqi-img{aspect-ratio:262/176}

/* 检测资讯列表（首页 12 条） */
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:8px 24px;box-shadow:var(--shadow-1)}
.news-item{display:flex;align-items:baseline;gap:14px;padding:13px 2px;border-bottom:1px dashed var(--line);transition:all .3s var(--ease)}
.news-item:last-child{border-bottom:0}
.news-item .cat{flex:none;font-size:12px;font-weight:700;color:var(--primary);background:var(--grad-soft);border-radius:6px;padding:1px 10px}
.news-item .t{flex:1;min-width:0;font-size:15px;font-weight:600;color:#2a3a5c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .3s,padding .3s}
.news-item .d{flex:none;font-size:12.5px;color:var(--faint)}
.news-item:hover .t{color:var(--primary);padding-left:4px}
.news-more{display:flex;justify-content:flex-end;margin-top:14px}
.news-more a{font-size:13.5px;color:var(--primary);font-weight:600}
.news-more a:hover{text-decoration:underline}

.news-cards .news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px 14px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.news-cards .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.4)}
.news-cards .news-card .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--faint)}
.news-cards .news-card .cat{color:var(--primary);font-weight:700;background:var(--grad-soft);border-radius:6px;padding:1px 9px}
.news-cards .news-card h3{font-size:15px;font-weight:700;line-height:1.7;margin-top:9px;color:#2a3a5c;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-cards .news-card:hover h3{color:var(--primary)}
.news-cards .news-card p{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.fs-grid{gap:14px;grid-template-columns:repeat(4,1fr);grid-auto-rows:215px;grid-auto-flow:dense}
.fs-grid figure{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:#eef3fb;transition:transform .3s var(--ease),box-shadow .3s}
.fs-grid figure:nth-child(1){grid-column:span 2;grid-row:span 2}
.fs-grid figure:nth-child(4){grid-column:span 2}
.fs-grid figure:nth-child(6){grid-row:span 2}
.fs-grid figure:nth-child(9){grid-column:span 2}
.fs-grid figure:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.fs-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.fs-grid figure:hover img{transform:scale(1.07)}
@media (max-width:1000px){.fs-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}}
@media (max-width:680px){.fs-grid{grid-auto-rows:130px;gap:10px}}

.news-list.cols2{display:grid;grid-template-columns:1fr 1fr;gap:0 34px;padding:10px 26px}
@media (max-width:1000px){.news-list.cols2{grid-template-columns:1fr}}

/* 首页资讯卡标题链接 */
.news-cards .news-card h3 a{color:inherit;transition:color .25s}
.news-cards .news-card:hover h3 a{color:var(--primary)}

/* 实验室分支（19 格） */
.branch-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.branch-item{display:flex;align-items:center;justify-content:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:15px 6px;font-size:14.5px;font-weight:600;color:#2a3a5c;transition:all .3s var(--ease)}
.branch-item svg{width:16px;height:16px;color:var(--cyan)}
.branch-item:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-3px);box-shadow:0 10px 20px rgba(30,94,255,.25)}
.branch-item:hover svg{color:#fff}

/* ==========================================================================
   列表/内容页通用
   ========================================================================== */
/* 左图右文介绍 */
.intro-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:30px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);margin-top:26px}
.intro-media{border-radius:var(--r-md);overflow:hidden;background:#eef3fb;aspect-ratio:4/3}
.intro-media img{width:100%;height:100%;object-fit:cover}
.intro-body h2{font-size:26px;font-weight:800;line-height:1.5}
.intro-body h2 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.intro-body p{font-size:14.5px;color:var(--muted);margin-top:12px}
.intro-body .btn{margin-top:18px}

/* 文章卡（资讯列表页 20 张） */
.art-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 18px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.art-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.4)}
.art-card .meta{display:flex;gap:12px;align-items:center;font-size:12.5px;color:var(--faint)}
.art-card .cat{color:var(--primary);font-weight:700;background:var(--grad-soft);border-radius:6px;padding:1px 10px}
.art-card h3{font-size:16.5px;font-weight:800;line-height:1.65;margin-top:10px}
.art-card h3 a{transition:color .3s}
.art-card h3 a:hover{color:var(--primary)}
.art-card p{font-size:13.5px;color:var(--muted);line-height:1.9;margin-top:8px;flex:1}
.art-card .more{margin-top:12px;font-size:13px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.art-card .more svg{width:14px;height:14px;transition:transform .3s}
.art-card:hover .more svg{transform:translateX(4px)}

/* 表格（数据表/参数表/清单） */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--shadow-1);margin-top:20px}
.data-table{width:100%;min-width:640px;font-size:14px;border-collapse:separate;border-spacing:0}
.data-table th{background:var(--grad);color:#fff;font-weight:700;padding:13px 16px;text-align:left;white-space:nowrap;font-size:14.5px}
.data-table td{padding:12px 16px;border-top:1px solid var(--line);color:#3a4a68;line-height:1.8;vertical-align:top}
.data-table tbody tr:nth-child(even){background:#f7faff}
.data-table tbody tr:hover{background:#eef4ff}
.data-table td:first-child{color:var(--faint);white-space:nowrap}

/* 能力四块 */
.ability-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ability-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.ability-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.ability-card .ab-ico{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center}
.ability-card .ab-ico svg{width:22px;height:22px}
.ability-card h3{font-size:16px;font-weight:800;margin-top:13px}
.ability-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:6px}

/* 专题：细节图片网格（4:3 裁切） */
.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.detail-grid figure{aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:#eef3fb;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.detail-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.detail-grid figure:hover img{transform:scale(1.07)}

/* 应用案例（满宽自适应，简介完整显示） */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.case-card .tag{display:inline-block;font-size:12px;font-weight:700;color:#0b7a45;background:#e7f8ee;border-radius:6px;padding:1px 10px}
.case-card h3{font-size:16px;font-weight:800;line-height:1.6;margin-top:10px}
.case-card p{font-size:13.5px;color:var(--muted);line-height:1.95;margin-top:8px}

/* 相关文章卡（缩略图 200px 高） */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.rel-card .thumb{height:200px;overflow:hidden;background:#eef3fb}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.06)}
.rel-card .bd{padding:15px 18px 17px}
.rel-card h3{font-size:15.5px;font-weight:800;line-height:1.6}
.rel-card h3 a:hover{color:var(--primary)}
.rel-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:6px}

/* ==========================================================================
   文章内容页
   ========================================================================== */
.art-head{margin-top:22px}
.art-head h1{font-size:30px;font-weight:800;line-height:1.55;color:var(--ink)}
.art-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;margin-top:18px;font-size:13px;color:var(--muted);box-shadow:var(--shadow-1)}
.art-meta .meta-items{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.art-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.art-meta .meta-item svg{width:15px;height:15px;color:var(--faint)}
.art-meta a.cat-link{color:var(--primary);font-weight:700;background:var(--grad-soft);border-radius:6px;padding:1px 10px}
.art-meta a.cat-link:hover{background:var(--grad);color:#fff}
.art-meta .src a{color:var(--primary)}
.art-meta .src a:hover{text-decoration:underline}
.meta-ctrl{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.copy-btn{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;transition:color .25s}
.copy-btn:hover{color:var(--primary)}
.copy-btn svg{width:15px;height:15px}
.font-ctrl{display:inline-flex;align-items:center;background:#f2f6fd;border-radius:999px;padding:3px}
.font-ctrl span{font-size:12.5px;color:var(--faint);padding:0 6px 0 10px}
.font-ctrl button{width:30px;height:26px;border-radius:999px;font-size:12.5px;color:var(--muted);transition:all .25s}
.font-ctrl button:hover{color:var(--primary)}
.font-ctrl button.active{background:var(--grad);color:#fff;font-weight:700;box-shadow:0 4px 10px rgba(30,94,255,.3)}

/* 正文 */
.prose{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 40px 30px;margin-top:20px;box-shadow:var(--shadow-1);overflow:hidden}
.prose::before{content:"";position:absolute;top:0;right:0;width:440px;height:440px;background:url("/2027/images/contsy.png?2028.10") no-repeat center center/contain;transform:rotate(-4deg);opacity:.08;pointer-events:none;z-index:0}
.prose>*{position:relative;z-index:1}
.prose.fs-s{font-size:14px}
.prose.fs-m{font-size:16px}
.prose.fs-l{font-size:18px}
.prose p{margin:13px 0;text-align:justify;color:#22304d}
.prose h2{font-size:22px;font-weight:800;line-height:1.5;margin:36px 0 14px;padding-left:14px;border-left:5px solid var(--primary);border-radius:2px}
.prose h3{font-size:17px;font-weight:800;margin:22px 0 8px}
.prose ul,.prose ol{margin:12px 0;padding-left:6px}
.prose ul li,.prose ol li{position:relative;padding-left:22px;margin:8px 0;color:#2c3c5e}
.prose ul li::before{content:"";position:absolute;left:2px;top:.85em;width:8px;height:8px;border-radius:3px;background:var(--grad);transform:translateY(-50%)}
.prose ol{counter-reset:oli}
.prose ol li{counter-increment:oli}
.prose ol li::before{content:counter(oli,decimal-leading-zero);position:absolute;left:0;top:.4em;font-size:12px;font-weight:800;color:var(--primary);background:none}
.prose blockquote{margin:18px 0;background:var(--grad-soft);border-left:4px solid var(--cyan);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:14px 20px;color:#31435f;font-size:.95em}
.prose strong{color:var(--primary-deep)}
.prose img{border-radius:12px;margin:14px auto;box-shadow:var(--shadow-1);height:auto!important;}
.prose table{width:100%;margin:18px 0;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;border-collapse:separate;border-spacing:0;font-size:.92em}
.prose .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0;border-radius:var(--r-sm)}
.prose .table-wrap table{margin:0;min-width:560px}
.prose thead th{background:var(--grad);color:#fff;font-weight:700;padding:11px 14px;text-align:left;white-space:nowrap}
.prose tbody td{padding:10px 14px;border-top:1px solid var(--line);color:#31435f;line-height:1.85}
.prose tbody tr:nth-child(even){background:#f7faff}

/* 浮动视频（杂志式环绕） */
.float-video{float:left;width:500px;max-width:50%;margin:8px 28px 20px 0;border-radius:14px;overflow:hidden;border:1px solid #d5e0f2;box-shadow:0 12px 32px rgba(16,28,51,.16);background:#0d2547}
.float-video video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}

/* 环绕换行（表格/图片/列表整行显示） */
.prose .below-media{clear:left}
.prose .img-center{text-align:center}
.prose .img-center img{display:block;margin-left:auto;margin-right:auto}

/* 第3个h2后：引导咨询条 */
.zx-inline{clear:both;background:var(--grad-soft);border:1px solid #d7e6ff;border-radius:var(--r-md);padding:20px 24px;margin:26px 0;text-align:center;display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap}
.zx-inline p{font-size:18px;font-weight:600;color:#123a7a;margin:0;text-align:center}

/* 第4个h2后：报告用途胶囊 */
.report-use{clear:both;background:#fff;border:1px dashed #bcd0f0;border-radius:var(--r-md);padding:16px 20px;margin:26px 0}
.report-use b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:10px}
.report-use .use-pill{display:inline-block;font-size:13px;font-weight:600;color:#1d4fbb;background:var(--grad-soft);border:1px solid #d7e6ff;border-radius:999px;padding:4px 16px;margin:4px 6px 4px 0}

.org-info{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:6px 26px;box-shadow:var(--shadow-1)}
.org-info .oi-row{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;line-height:1.95}
.org-info .oi-row:last-child{border-bottom:0}
.org-info .oi-row b{color:var(--primary);font-weight:700}
.org-info .oi-row span{color:#31435f}
@media (max-width:680px){.org-info{padding:4px 16px}.org-info .oi-row{grid-template-columns:92px 1fr;gap:10px;font-size:13.5px}}

/* 满宽图片 / 图集 */
.full-img{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px}
.full-img img{width:auto;max-width:100%;margin:0 auto;border-radius:var(--r-md);box-shadow:var(--shadow-1)}
.img-strip{margin-top:20px;display:flex;flex-direction:column;gap:0;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px}
.img-strip img{width:auto;max-width:100%;display:block;margin:0 auto}

/* 上一页/下一页 */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.pn-link{display:flex;flex-direction:column;gap:3px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:15px 20px;box-shadow:var(--shadow-1);transition:all .3s var(--ease)}
.pn-link.next{text-align:right;align-items:flex-end}
.pn-link:hover{border-color:rgba(30,94,255,.4);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.pn-link b{font-size:12.5px;color:var(--faint);font-weight:600}
.pn-link span{font-size:14.5px;font-weight:700;color:#2a3a5c;line-height:1.6}
.pn-link:hover span{color:var(--primary)}

/* 证书网格（5列 13张） */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}
.cert-grid .cert-card .cert-img img{height:200px}
.cert-grid .cert-card figcaption{font-size:12.5px;color:var(--muted);text-align:center;padding:9px 6px 2px;line-height:1.6;font-weight:600}
.grid.certs{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.grid.certs .cert-card{padding:10px 10px 12px}
.grid.certs .cert-card .cert-img{padding:8px 0;background:#fbfcff;border:1px solid #eef3fb;border-radius:8px}
.grid.certs .cert-card .cert-img img{height:150px}
.grid.certs .cert-card h3{font-size:13px;margin-top:9px}
.grid.certs .cert-card p{display:none}


/* 关于页：简介排版 / 发展历程 / 数据卡 */
.about-prose{max-width:100%}
.about-prose p{color:var(--muted);font-size:15px;line-height:2.1;margin:0 0 16px;text-align:justify}
.about-prose p b{color:var(--primary-deep)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
.stat-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 12px;text-align:center;box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-item b{display:block;font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.4}
.stat-item span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
@media (max-width:1000px){.stat-grid{grid-template-columns:repeat(2,1fr)}}

/* ==========================================================================
   封面/服务全景
   ========================================================================== */
.dir-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dir-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s;position:relative;overflow:hidden}
.dir-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3)}
.dir-card .dir-ico{width:46px;height:46px;border-radius:13px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center}
.dir-card .dir-ico svg{width:24px;height:24px}
.dir-card h3{font-size:17px;font-weight:800}
.dir-card p{font-size:13px;color:var(--muted);line-height:1.8}
.dir-card.hl{background:linear-gradient(135deg,#1e5eff 0%,#0f42d8 100%);border-color:transparent}
.dir-card.hl h3{color:#fff}
.dir-card.hl p{color:rgba(255,255,255,.82)}
.dir-card.hl .dir-ico{background:rgba(255,255,255,.18)}
.dir-card.hl .dir-ico svg{color:#fff}

/* 八大领域分组（两列） */
.area-groups{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.area-group{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 24px 20px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.area-group:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.group-head{display:flex;align-items:center;gap:13px}
.group-icon{width:46px;height:46px;border-radius:13px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;flex:none}
.group-icon svg{width:24px;height:24px}
.group-head h3{font-size:18px;font-weight:800;flex:1}
.count-badge{flex:none;font-size:12px;font-weight:700;color:var(--primary);background:var(--grad-soft);border-radius:999px;padding:2px 12px}
.area-group .group-intro{font-size:13px;color:var(--muted);line-height:1.85;margin:12px 0 4px}
.area-group .pill-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.area-group .tag{font-size:12.5px;color:#3a4a68;background:#f2f6fd;border:1px solid #e4ebf7;border-radius:999px;padding:4px 14px;transition:all .25s}
.area-group .tag:hover{background:var(--grad);color:#fff;border-color:transparent}
.group-foot{margin-top:16px;display:flex;justify-content:flex-end}
.group-foot .btn{padding:9px 24px;font-size:13.5px}

/* 更多检测方向（不加粗胶囊） */
.dir-pills{display:flex;flex-wrap:wrap;gap:12px}
.dir-pills a{font-size:14.5px;font-weight:400;color:#3a4a68;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 22px;transition:all .3s var(--ease)}
.dir-pills a:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(30,94,255,.28)}

.cv-arts .cv-art{display:flex;flex-direction:column;justify-content:flex-start;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 20px 16px;box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;position:relative;overflow:hidden;min-height:104px}
.cv-arts .cv-art::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:opacity .3s}
.cv-arts .cv-art:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,94,255,.4)}
.cv-arts .cv-art:hover::before{opacity:1}
.cv-arts .cv-art h3{font-size:14.5px;font-weight:600;line-height:1.85;color:#2a3a5c;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cv-arts .cv-art:hover h3{color:var(--primary)}
.cv-arts .cv-art p{font-size:12.5px;color:var(--faint);line-height:1.9;margin:2px 0 0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.cv-arts .cv-art p::after{content:""}

/* 大型试验专题卡（一行四列整卡可点） */
.event-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.event-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.event-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.4)}
.event-card .thumb{aspect-ratio:4/3;overflow:hidden;background:#eef3fb}
.event-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.event-card:hover .thumb img{transform:scale(1.07)}
.event-card .bd{padding:16px 18px 18px}
.event-card h3{font-size:17px;font-weight:800}
.event-card h3 i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.event-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:6px}
.event-card .go{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;font-weight:700;color:var(--primary)}
.event-card .go svg{width:14px;height:14px;transition:transform .3s}
.event-card:hover .go svg{transform:translateX(4px)}
.event-more{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:18px;border:2px dashed #c3d4ef;border-radius:var(--r-md);padding:24px 28px;background:#f8fbff;flex-wrap:wrap}
.event-more h3{font-size:17px;font-weight:800;color:#2a3a5c}
.event-more p{font-size:13px;color:var(--muted);margin-top:4px}

/* ==========================================================================
   关注我们
   ========================================================================== */
.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;text-align:center;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.qr-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.qr-card .qr-img{width:100%;max-width:180px;aspect-ratio:1/1;height:auto;margin:0 auto;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px;overflow:hidden}
.qr-card .qr-img img{width:100%;height:100%}
.qr-card h3{font-size:15.5px;font-weight:800;margin-top:14px}
.qr-card p{font-size:12.5px;color:var(--faint);margin-top:3px}
.qr-card .plat{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:12px;font-weight:700;color:var(--primary);background:var(--grad-soft);border-radius:999px;padding:3px 14px}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;box-shadow:var(--shadow-1);text-align:center;transition:transform .35s var(--ease),box-shadow .35s}
.benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.benefit-card .bf-ico{width:52px;height:52px;margin:0 auto;border-radius:16px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 22px rgba(30,94,255,.3)}
.benefit-card .bf-ico svg{width:26px;height:26px}
.benefit-card h3{font-size:16px;font-weight:800;margin-top:14px}
.benefit-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:6px}

/* ==========================================================================
   地域页
   ========================================================================== */
.region-domains{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rd-card{display:flex;flex-direction:column;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 12px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.rd-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3);border-color:rgba(30,94,255,.4)}
.rd-card .rd-ico{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center}
.rd-card .rd-ico svg{width:23px;height:23px}
.rd-card h3{font-size:15.5px;font-weight:800}
.rd-card p{font-size:12.5px;color:var(--faint);line-height:1.7}
.hot-words{display:flex;flex-wrap:wrap;gap:11px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.why-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.why-card .num{font-size:15px;font-weight:800;color:var(--primary);letter-spacing:1px}
.why-card h3{font-size:16px;font-weight:800;margin-top:6px}
.why-card p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:6px}
.faq-list{display:flex;flex-direction:column;gap:13px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item[open]{border-color:rgba(30,94,255,.4);box-shadow:var(--shadow-2)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:16px 20px;font-size:15.5px;font-weight:700;color:#22335a}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{flex:none;width:26px;height:26px;border-radius:8px;background:var(--grad-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.faq-item summary .fmark{margin-left:auto;flex:none;width:24px;height:24px;border-radius:50%;background:#f2f6fd;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:transform .3s var(--ease),background .3s}
.faq-item[open] summary .fmark{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-item .faq-a{padding:0 20px 18px 58px;font-size:14px;color:var(--muted);line-height:2}
.contact-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1);transition:transform .35s var(--ease),box-shadow .35s}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-3)}
.contact-card h3{font-size:16.5px;font-weight:800;display:flex;align-items:center;gap:9px;padding-bottom:12px;border-bottom:1px dashed var(--line);margin-bottom:6px}
.contact-card h3 svg{width:19px;height:19px;color:var(--primary)}
.contact-card .contact-row2{display:flex;gap:9px;align-items:flex-start;padding:8px 0;font-size:13.5px;color:var(--muted);line-height:1.9}
.contact-card .contact-row2 svg{width:16px;height:16px;margin-top:6px;color:var(--cyan);flex:none}
.contact-card .contact-row2 b{color:var(--ink);font-weight:600}
.contact-card .hotline{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:1px;display:block;padding:6px 0 2px}

/* ==========================================================================
   搜索页
   ========================================================================== */
.search-bar{display:flex;max-width:760px;margin:26px auto 8px;background:#fff;border:2px solid rgba(30,94,255,.5);border-radius:999px;overflow:hidden;box-shadow:var(--shadow-2)}
.search-bar input{flex:1;min-width:0;border:0;outline:none;padding:0 10px 0 26px;font-size:15.5px;height:56px;background:transparent}
.search-bar button{width:120px;height:56px;flex:none;background:var(--grad);color:#fff;font-size:16px;font-weight:700;letter-spacing:4px;transition:filter .25s}
.search-bar button:hover{filter:brightness(1.1)}
.search-tip{text-align:center;font-size:13px;color:var(--faint);margin-bottom:8px}
.result-list{display:grid;gap:15px;margin-top:22px}
.result-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:19px 22px;box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.result-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,94,255,.35)}
.result-card h3{font-size:16.5px;font-weight:800;line-height:1.6}
.result-card h3 a:hover{color:var(--primary)}
.result-card h3 em{font-style:normal;color:var(--accent)}
.result-card p{font-size:13.5px;color:var(--muted);line-height:1.9;margin-top:7px}
.result-card .meta{display:flex;gap:14px;margin-top:9px;font-size:12.5px;color:var(--faint)}
.result-card .meta .cat{color:var(--primary);font-weight:700}
.empty-box{text-align:center;padding:70px 20px;color:var(--faint)}
.empty-box svg{width:64px;height:64px;color:#c9d6ea;margin:0 auto 14px}
.empty-box p{font-size:14.5px}

/* ==========================================================================
   阅读导航（内容页折叠态）
   ========================================================================== */
.reading-nav{position:fixed;top:110px;left:auto;right:auto;width:206px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 16px 14px;box-shadow:var(--shadow-3);display:none;z-index:60}
.reading-nav h3{font-size:13.5px;font-weight:800;color:var(--ink);padding-bottom:9px;border-bottom:1px dashed var(--line);margin-bottom:8px;display:flex;align-items:center;gap:7px}
.reading-nav h3 svg{width:15px;height:15px;color:var(--primary)}
.reading-nav .rn-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.reading-nav a{display:flex;gap:9px;align-items:baseline;padding:5px 6px;border-radius:8px;font-size:13px;line-height:1.6;color:var(--muted);transition:all .25s}
.reading-nav a b{font-weight:800;color:var(--primary);font-size:12.5px;flex:none;letter-spacing:.5px}
.reading-nav a span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.reading-nav a:hover,.reading-nav a.cur{background:var(--grad-soft);color:#123a7a}

/* ==========================================================================
   返回顶部 / 轻提示
   ========================================================================== */
.back-top{position:fixed;left:18px;right:auto;top:38%;z-index:90;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(16,28,51,.14);color:var(--primary);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .35s,visibility .35s,transform .35s,background .3s}
.back-top svg{width:20px;height:20px}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--grad);color:#fff;border-color:transparent}
.toast{position:fixed;left:50%;top:26px;transform:translate(-50%,-18px);z-index:200;background:rgba(16,28,51,.93);color:#fff;font-size:14px;padding:10px 26px;border-radius:999px;box-shadow:var(--shadow-3);opacity:0;visibility:hidden;transition:all .35s var(--ease);pointer-events:none}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* 隐藏工具类 */
.hide{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ==========================================================================
   中屏（≤1000px）
   ========================================================================== */
@media (max-width:1000px){
  :root{--side-w:300px}
  .side-inner{padding:20px 16px 14px}
  .container{padding:24px 20px 56px}
  .crumbs{padding:8px 20px}
  .g4,.ability-grid,.steps,.policy-grid,.why-grid,.benefit-grid,.region-domains,.dir-grid,.event-grid{grid-template-columns:repeat(2,1fr)}
  .g5,.cert-grid{grid-template-columns:repeat(3,1fr)}
  .detail-grid{grid-template-columns:repeat(2,1fr)}
  .branch-grid{grid-template-columns:repeat(3,1fr)}
  .about-split,.intro-split,.area-groups{grid-template-columns:1fr}
  .contact-blocks{grid-template-columns:1fr}
  .hero-index{margin:0}
  .reading-nav{display:none!important}
}

/* ==========================================================================
   移动端（≤680px）
   ========================================================================== */
@media (max-width:680px){
  body{font-size:15px}
  /* 侧栏抽屉化 */
  .sidebar{width:100%;transform:translateX(100%);transition:transform .4s var(--ease)}
  body.side-collapsed .sidebar{transform:translateX(100%)}
  body.side-open .sidebar{transform:translateX(0)}
  body.side-open .scroll-area{overflow:hidden}
  /* 与 PC 端同款胶囊样式，仅移动到顶部显示 */
  .side-toggle{right:10px;top:130px;left:auto;transform:none;z-index:140;height:40px;border-radius:6px}
  body.side-open .ico-arrows{transform:scaleX(-1)}
  .main{margin-right:0!important;margin-left:0!important}
  .container{padding:18px 14px 48px}
  .crumbs-wrap{position:sticky;top:0;padding:0 14px}
  .page-index .crumbs-wrap{display:none;visibility:visible}
  .prose::before{width:170px;height:170px;opacity:.09}
  .cert-grid .cert-card .cert-img{padding:4px}
  .cert-grid .cert-card .cert-img img{height:auto}
  .ability-grid{grid-template-columns:1fr!important}
  .ability-card{padding:18px 16px}
  .crumbs{padding:8px 18px;font-size:12px;gap:5px}
  /* 视频隐藏 → 渐变底 + 文案 */
  .video-hero video{display:none!important}
  .float-video{display:none!important}
  .video-hero .hero-inner{padding:52px 16px !important}
  .hero-index{margin:0}
  .hero-index .hero-inner{padding:56px 16px 50px}
  .video-hero.v16-9{aspect-ratio:auto}
  /* 标题 */
  .page-title,.sec-title{font-size:24px}
  .company-line{font-size:19px}
  .art-head h1{font-size:21px}
  /* 网格单列 */
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3,.g5,.cert-grid,.detail-grid,.branch-grid,.region-domains,.dir-grid,.event-grid,.steps,.policy-grid,.why-grid,.benefit-grid,.rel-grid,.prevnext,.qr-grid,.ability-grid{grid-template-columns:1fr}
  .qr-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .branch-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:repeat(2,1fr)}
  .policy-grid{grid-template-columns:repeat(2,1fr)}
  /* 信息条紧凑 */
  .art-meta{font-size:12px;padding:10px 13px;gap:8px}
  .art-meta .meta-items{gap:10px}
  .meta-ctrl{width:100%;justify-content:space-between}
  /* 引导咨询条竖排 */
  .zx-inline{flex-direction:column;gap:12px;padding:18px 14px}
  /* 移动端三大板块入口：紧凑竖排卡 */
  .dir-card{gap:7px;padding:14px 16px}
  .dir-card .dir-ico{width:38px;height:38px;border-radius:10px}
  .dir-card .dir-ico svg{width:20px;height:20px}
  .dir-card h3{font-size:15px}
  .dir-card p{font-size:12px;margin-top:2px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .zx-inline p{font-size:16px}
  .zx-inline .btn{width:100%;max-width:320px}
  /* CTA 通宽 */
  .cta-band{flex-direction:column;text-align:center;padding:30px 20px}
  .cta-band .btn{width:100%;max-width:340px}
  .cta-band h2{font-size:20px}
  /* 正文 */
  .prose{padding:20px 16px}
  .prose h2{font-size:19px}
  .reading-nav{display:none!important}
  /* 搜索表单等高 */
  .side-search input[type="text"]{height:46px;padding-left:14px}
  .side-search button{width:48px;height:46px}
  .search-bar{border-radius:16px}
  .search-bar input{padding-left:16px;height:50px;font-size:14.5px}
  .search-bar button{width:88px;height:50px;font-size:15px;letter-spacing:2px}
  .back-top{right:10px;left:auto;width:42px;height:42px}
  .intro-body .btn,.head-actions .btn{width:100%;max-width:340px}
  .event-more{flex-direction:column;text-align:center;align-items:center}
  .svc-card.span-all{flex-direction:column;align-items:center;text-align:center;gap:12px;padding:18px 14px}
  .svc-card.span-all .t{flex-direction:column;align-items:center}
  .svc-card.span-all .go{width:100%;justify-content:center}
  .group-foot{justify-content:center}
  .faq-item .faq-a{padding-left:20px}
  .img-strip img{width:100%}
  .table-scroll{margin-top:14px}
}