/* ============================================================
   广鼎机械 GUANGDING — 官网重设计样式
   主色 #005BAC（沿用原品牌蓝）｜深空蓝 #0A1F3C｜科技青 #00C2FF
   图标：现代扁平线性 ｜ 图表：发光描边 ｜ 字体：等宽无衬线强化技术感
   按钮：长方形 6px 圆角（非药丸式）
   ============================================================ */
:root{
  --blue:#005BAD;          /* 品牌蓝 */
  --blue-deep:#0A1F3C;     /* 深空蓝 */
  --blue-dark:#0D2547;
  --blue-ink:#123A6B;
  --cyan:#005BAD;          /* 科技青（发光色） */
  --cyan-soft:rgba(0,91,173,.12);
  --gold:#D6AF60;          /* 荣誉金 */
  --yellow:#F5B90F;        /* 原站banner黄 */
  --ink:#182333;
  --text:#3D4A5C;
  --muted:#7A8699;
  --line:#E3E9F2;
  --bg:#F5F7FA;
  --white:#FFFFFF;
  --radius:6px;            /* 按钮统一小圆角 */
  --radius-lg:12px;
  --shadow:0 10px 30px rgba(10,31,60,.10);
  --shadow-lg:0 24px 60px rgba(10,31,60,.16);
  --mono:'JetBrains Mono','Sarasa Mono SC','Roboto Mono','SFMono-Regular',Consolas,'Courier New',monospace;
  --sans:'PingFang SC','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--text);background:var(--white);font-size:15px;line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:14px;outline:none}
table{border-collapse:collapse;width:100%}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#B9C6D8;border-radius:4px}
::-webkit-scrollbar-track{background:#EEF2F7}

.container{width:min(1240px,92%);margin:0 auto}
.en{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------------- 通用小节头 ---------------- */
.sec{padding:88px 0}
.sec-head{margin-bottom:46px}
.sec-head .tag{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--blue);font-weight:600}
.sec-head .tag::before{content:"";width:26px;height:2px;background:var(--cyan);}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);color:var(--ink);font-weight:800;letter-spacing:.02em;margin-top:10px;line-height:1.3}
.sec-head p{color:var(--muted);margin-top:10px;max-width:720px}
.sec-head.center{text-align:center}
.sec-head.center .tag::after{content:"";width:26px;height:2px;background:var(--cyan);}
.sec-head.center p{margin-left:auto;margin-right:auto}
.on-dark h2{color:#fff}
.on-dark p{color:#9FB2CC}
.on-dark .tag{color:var(--cyan)}

/* ---------------- 按钮：长方形小圆角 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:var(--radius);
  font-size:15px;font-weight:600;letter-spacing:.06em;transition:all .3s;border:1px solid transparent;white-space:nowrap}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#004a8f;box-shadow:0 10px 24px rgba(0,91,173,.35);transform:translateY(-2px)}
.btn-cyan{background:var(--cyan);color:#06263F}
.btn-cyan:hover{background:#33d1ff;box-shadow:0 10px 24px rgba(0,91,173,.35);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:#fff;color:var(--blue)}
.btn-ghost-blue{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-ghost-blue:hover{background:var(--blue);color:#fff}
.btn-sm{padding:10px 22px;font-size:13px}

/* ============================================================
   顶部导航（滚动透明→白色，参考 ordro.cn）
   ============================================================ */
.site-header{position:fixed;inset:0 0 auto 0;z-index:1000;transition:background .35s,box-shadow .35s,height .35s;height:88px;
  background:linear-gradient(180deg,rgba(6,18,36,.55),rgba(6,18,36,0))}
.site-header.solid{background:rgba(6,18,36,.42);backdrop-filter:blur(6px)}
.site-header.scrolled{background:#fff;box-shadow:0 6px 24px rgba(10,31,60,.08);height:72px}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand .mark{width:44px;height:44px;color:var(--cyan););transition:.35s}
.brand .mark svg{width:100%;height:100%}
.scrolled .brand .mark{color:var(--blue);filter:none}
.brand .name{display:flex;flex-direction:column;line-height:1.2}
.brand .name b{font-size:22px;letter-spacing:.30em;color:#fff;font-weight:800;transition:.35s}
.brand .name span{font-family:var(--mono);font-size:10px;letter-spacing:.34em;color:rgba(255,255,255,.72);transition:.35s}
.scrolled .brand .name b{color:var(--blue-deep)}
.scrolled .brand .name span{color:var(--muted)}

.main-nav{display:flex;align-items:center;gap:0}
.main-nav>li{position:relative;flex:none}
.main-nav>li>a{position:relative;display:flex;align-items:center;gap:4px;padding:12px 11px;color:rgba(255,255,255,.92);font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;border-radius:var(--radius);transition:all .25s}
.main-nav>li>a .caret{width:10px;height:10px;opacity:.7;transition:transform .25s}
.main-nav>li:hover>a{color:#fff;background:rgba(255,255,255,.10)}
.main-nav>li>a.active{color:#fff}
.main-nav>li>a.active::after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--cyan);}
.scrolled .main-nav>li>a{color:var(--ink)}
.scrolled .main-nav>li:hover>a{color:var(--blue);background:#F0F6FD}
.scrolled .main-nav>li>a.active{color:var(--blue)}

/* 下拉面板 */
.dropdown{position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,10px);min-width:212px;background:#fff;
  border-radius:10px;box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transition:all .3s}
.dropdown::before{content:"";position:absolute;top:-6px;left:50%;width:12px;height:12px;background:#fff;transform:translateX(-50%) rotate(45deg);border-radius:2px}
.dropdown a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 14px;border-radius:var(--radius);color:var(--text);font-size:14px;white-space:nowrap}
.dropdown a .en{font-size:10px;color:#AAB6C8}
.dropdown a:hover{background:#F0F6FD;color:var(--blue)}
.dropdown a:hover .en{color:var(--blue)}
.main-nav>li:hover .dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}
.main-nav>li:hover>a .caret{transform:rotate(180deg)}

.header-right{display:flex;align-items:center;gap:18px;flex:none}
.hotline{display:flex;align-items:center;gap:10px;color:#fff}
.scrolled .hotline{color:var(--blue-deep)}
.hotline .ico{width:38px;height:38px;border-radius:var(--radius);display:grid;place-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25)}
.scrolled .hotline .ico{background:#EFF6FD;border-color:#D7E6F5}
.hotline .ico svg{width:18px;height:18px}
.hotline .tel{line-height:1.25}
.hotline .tel small{display:block;font-size:11px;opacity:.75;letter-spacing:.1em}
.hotline .tel b{font-family:var(--mono);font-size:17px;letter-spacing:.04em}
.header-cta{display:inline-flex}

/* 移动端菜单按钮 */
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--radius);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);place-items:center;color:#fff}
.scrolled .menu-toggle{background:#EFF6FD;border-color:#D7E6F5;color:var(--ink)}
.menu-toggle span{display:block;width:20px;height:2px;background:currentColor;margin:4px auto;border-radius:2px;transition:.3s}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动端抽屉 */
.mobile-nav{position:fixed;top:0;right:0;bottom:0;width:min(86%,360px);background:#fff;z-index:1200;transform:translateX(105%);transition:transform .38s cubic-bezier(.22,.8,.3,1);
  padding:26px;overflow-y:auto;box-shadow:-20px 0 60px rgba(10,31,60,.2)}
.mobile-nav.open{transform:none}
.mobile-nav .m-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.mobile-nav .m-head .t{font-weight:800;color:var(--blue-deep);letter-spacing:.2em;font-size:18px}
.mobile-nav .m-close{width:40px;height:40px;border-radius:var(--radius);background:#F0F4F9;display:grid;place-items:center;color:var(--ink)}
.mobile-nav>ul>li{border-bottom:1px solid var(--line)}
.mobile-nav>ul>li>a{display:flex;justify-content:space-between;align-items:center;padding:15px 2px;font-weight:700;color:var(--ink);font-size:16px}
.mobile-nav>ul>li>a .arr{transition:.3s;color:#AAB6C8}
.mobile-nav li.acc-open>a .arr{transform:rotate(180deg);color:var(--blue)}
.mobile-nav .sub{max-height:0;overflow:hidden;transition:max-height .35s ease}
.mobile-nav .sub a{display:block;padding:9px 14px;color:var(--text);font-size:14px}
.mobile-nav .sub a:last-child{padding-bottom:16px}
.mobile-nav li.acc-open .sub{max-height:340px}
.m-hotline{margin-top:22px;background:var(--blue-deep);color:#fff;border-radius:10px;padding:16px;text-align:center}
.m-hotline small{color:#9FB2CC;display:block;font-size:12px;letter-spacing:.1em}
.m-hotline b{font-family:var(--mono);font-size:20px;letter-spacing:.05em}
.mask{position:fixed;inset:0;background:rgba(8,20,38,.5);backdrop-filter:blur(2px);z-index:1100;opacity:0;visibility:hidden;transition:.3s}
.mask.show{opacity:1;visibility:visible}

/* ============================================================
   首页全屏 Banner（参考三一：大气全屏）
   ============================================================ */
.hero{position:relative;height:100vh;min-height:640px;overflow:hidden;background:var(--blue-deep)}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;pointer-events:none}
.hero .slide.active{opacity:1;pointer-events:auto}
.hero .slide .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.08)}
.hero .slide.active .bg{animation:kenburns 7.5s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.14)}to{transform:scale(1.02)}}
.hero .slide::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,20,40,.78) 0%,rgba(7,20,40,.45) 45%,rgba(7,20,40,.12) 75%),
             linear-gradient(0deg,rgba(7,20,40,.55),transparent 32%)}
.hero .caption{position:absolute;inset:0;display:flex;align-items:center;z-index:2}
.hero .cap-inner{width:min(1240px,92%);margin:0 auto}
.hero .kicker{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);color:var(--cyan);font-size:13px;letter-spacing:.3em;margin-bottom:20px;
  padding:8px 16px;border:1px solid rgba(0,91,173,.4);border-radius:var(--radius);background:rgba(0,91,173,.08);backdrop-filter:blur(3px)}
.hero h1{font-size:clamp(34px,5.4vw,66px);color:#fff;font-weight:800;line-height:1.22;letter-spacing:.03em;text-shadow:0 6px 30px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--cyan);}
.hero .sub{margin-top:18px;max-width:640px;color:rgba(255,255,255,.85);font-size:clamp(14px,1.5vw,17px);letter-spacing:.06em}
.hero .cap-btns{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}
.hero .slide .cap-inner>*{opacity:0;transform:translateY(26px)}
.hero .slide.active .cap-inner>*{animation:rise .85s cubic-bezier(.22,.8,.3,1) forwards}
.hero .slide.active .cap-inner>*:nth-child(2){animation-delay:.12s}
.hero .slide.active .cap-inner>*:nth-child(3){animation-delay:.24s}
.hero .slide.active .cap-inner>*:nth-child(4){animation-delay:.36s}
@keyframes rise{to{opacity:1;transform:none}}
.hero .arrows{position:absolute;right:4%;bottom:44px;display:flex;gap:10px;z-index:5}
.hero .arrows button{width:48px;height:48px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.4);color:#fff;display:grid;place-items:center;background:rgba(255,255,255,.06);backdrop-filter:blur(4px);transition:.3s}
.hero .arrows button:hover{background:var(--cyan);border-color:var(--cyan);color:#fff}
.hero .dots{position:absolute;left:50%;transform:translateX(-50%);bottom:52px;display:flex;gap:10px;z-index:5}
.hero .dots button{width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.35);transition:.3s}
.hero .dots button.active{background:var(--cyan);}
.hero .scroll-hint{position:absolute;left:50%;transform:translateX(-50%);bottom:16px;color:rgba(255,255,255,.75);font-family:var(--mono);font-size:10px;letter-spacing:.3em;z-index:5;text-align:center}
.hero .scroll-hint i{display:block;width:1px;height:26px;background:linear-gradient(180deg,var(--cyan),transparent);margin:6px auto 0;animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------------- 数字实力条 ---------------- */
.stats-strip{background:#fff;position:relative;z-index:3}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:#fff;transform:translateY(-46px)}
.stat{padding:34px 20px;text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:22%;bottom:22%;width:1px;background:var(--line)}
.stat .val{font-family:var(--mono);font-size:clamp(30px,3.4vw,44px);font-weight:700;color:var(--blue);line-height:1.1;}
.stat .val em{font-style:normal;font-size:.55em;color:var(--cyan);margin-left:3px;}
.stat .lab{margin-top:8px;color:var(--muted);font-size:14px;letter-spacing:.08em}
.stat .en-lab{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:#B6C2D4;margin-top:4px;text-transform:uppercase}

/* ---------------- 关于板块 ---------------- */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.about-media{position:relative}
.about-media .ph-main{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-media .ph-main img{width:100%;height:460px;object-fit:cover;transition:transform .8s}
.about-media:hover .ph-main img{transform:scale(1.05)}
.about-media .ph-sub{position:absolute;right:-26px;bottom:-38px;width:46%;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:5px solid #fff}
.about-media .ph-sub img{width:100%;height:210px;object-fit:cover}
.about-media .exp-badge{position:absolute;left:-22px;top:-20px;background:var(--blue-deep);color:#fff;border-radius:var(--radius-lg);padding:18px 22px;border:1px solid rgba(0,91,173,.35)}
.about-media .exp-badge b{font-family:var(--mono);font-size:30px;color:var(--cyan);}
.about-media .exp-badge span{display:block;font-size:12px;color:#9FB2CC;letter-spacing:.1em}
.about-copy .lead{font-size:17px;color:var(--ink);font-weight:600;line-height:1.9;margin-bottom:14px}
.about-copy p{color:var(--text);margin-bottom:12px;text-align:justify}
.about-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0 30px}
.about-points li{background:#F6F9FC;border:1px solid var(--line);border-radius:var(--radius);padding:14px 12px;text-align:center;transition:.3s}
.about-points li:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(0,91,173,.12);transform:translateY(-3px)}
.about-points svg{width:26px;height:26px;color:var(--blue);margin:0 auto 6px}
.about-points b{display:block;color:var(--ink);font-size:14px}
.about-points span{font-size:12px;color:var(--muted)}

/* ============================================================
   产品展开交互（图片展开出现文字）—— 桌面横向手风琴
   ============================================================ */
.exp-panels{display:flex;gap:14px;height:600px}
.exp-panel{position:relative;flex:1;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:flex .65s cubic-bezier(.22,.8,.3,1);background:var(--blue-deep)}
.exp-panel .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .7s;filter:saturate(.9)}
.exp-panel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,36,.18),rgba(6,18,36,.88));transition:.4s}
.exp-panel:hover .bgimg,.exp-panel.active .bgimg{transform:scale(1.06);filter:saturate(1.05)}
.exp-panel .collapsed{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:26px 0;gap:16px;transition:opacity .35s}
.exp-panel .collapsed .idx{font-family:var(--mono);color:var(--cyan);font-size:13px;letter-spacing:.2em;writing-mode:vertical-rl}
.exp-panel .collapsed .vtitle{writing-mode:vertical-rl;color:#fff;font-size:20px;font-weight:700;letter-spacing:.32em;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.exp-panel .collapsed .bar{width:2px;height:44px;background:linear-gradient(180deg,var(--cyan),transparent)}
.exp-panel .expanded{position:absolute;inset:auto 0 0 0;z-index:3;padding:34px;opacity:0;transform:translateY(24px);transition:all .5s .12s;
  background:linear-gradient(0deg,rgba(4,14,30,.92),rgba(4,14,30,0))}
.exp-panel .expanded .pk{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:#fff;background:var(--cyan);border-radius:3px;padding:4px 10px;font-weight:700;}
.exp-panel .expanded h3{color:#fff;font-size:26px;margin:14px 0 4px;letter-spacing:.04em}
.exp-panel .expanded .pen{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--cyan)}
.exp-panel .expanded p{color:rgba(255,255,255,.82);font-size:14px;margin:12px 0 14px;max-width:520px}
.exp-panel .expanded ul{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.exp-panel .expanded ul li{font-family:var(--mono);font-size:12px;color:#CFE6FF;border:1px solid rgba(0,91,173,.4);border-radius:4px;padding:4px 10px;background:rgba(0,91,173,.10)}
.exp-panel.active{flex:3.4}
.exp-panel.active .collapsed{opacity:0;pointer-events:none}
.exp-panel.active .expanded{opacity:1;transform:none}

/* ---------------- 应用场景（图片展开浮现文字） ---------------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;height:300px;cursor:pointer;background:var(--blue-deep)}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.22,.8,.3,1);filter:saturate(.92)}
.scene-card:hover img{transform:scale(1.12)}
.scene-card .veil{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(5,17,34,.9));transition:.45s}
.scene-card:hover .veil{background:linear-gradient(180deg,rgba(5,17,34,.25) 0%,rgba(5,17,34,.92) 70%)}
.scene-card .brief{position:absolute;left:22px;right:22px;bottom:18px;z-index:2;transition:.45s cubic-bezier(.22,.8,.3,1)}
.scene-card .brief .no{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.26em}
.scene-card .brief h3{color:#fff;font-size:20px;margin-top:4px;letter-spacing:.05em}
.scene-card .brief .arr{display:inline-flex;margin-top:8px;width:30px;height:30px;border-radius:4px;border:1px solid rgba(255,255,255,.5);color:#fff;align-items:center;justify-content:center;transition:.35s}
.scene-card:hover .brief .arr{background:var(--cyan);border-color:var(--cyan);color:#fff;}
.scene-card .detail{position:absolute;left:22px;right:22px;bottom:0;z-index:2;opacity:0;transform:translateY(18px);transition:.45s cubic-bezier(.22,.8,.3,1)}
.scene-card .detail p{color:rgba(255,255,255,.85);font-size:13.5px;margin-bottom:10px}
.scene-card .detail .tags{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:18px}
.scene-card .detail .tags span{font-family:var(--mono);font-size:11px;color:#fff;background:var(--cyan);padding:3px 9px;border-radius:3px}
.scene-card:hover .brief{transform:translateY(-96px)}
.scene-card:hover .detail{opacity:1;transform:none}

/* ============================================================
   公司实力板块（深色 + 发光图表）
   ============================================================ */
.strength-sec{background:radial-gradient(1100px 500px at 85% -10%,rgba(0,91,173,.14),transparent 60%),linear-gradient(160deg,#081A33,#0A1F3C 55%,#0B2344);position:relative;overflow:hidden}
.strength-sec::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,91,173,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,91,173,.05) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.counter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.counter{background:rgba(255,255,255,.045);border:1px solid rgba(0,91,173,.22);border-radius:var(--radius-lg);padding:30px 24px;text-align:center;position:relative;overflow:hidden;transition:.35s}
.counter:hover{border-color:rgba(0,91,173,.6);transform:translateY(-4px)}
.counter .cv{font-family:var(--mono);font-size:clamp(32px,3.6vw,46px);font-weight:700;color:#fff;line-height:1}
.counter .cv em{font-style:normal;color:var(--cyan);font-size:.55em;margin-left:4px;}
.counter .cl{margin-top:12px;color:#9FB2CC;font-size:14px;letter-spacing:.08em}
.counter .ce{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:#5F7492;margin-top:5px;text-transform:uppercase}
.strength-split{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;margin-top:26px}
.chart-card{background:rgba(255,255,255,.04);border:1px solid rgba(0,91,173,.2);border-radius:var(--radius-lg);padding:26px}
.chart-card h4{color:#fff;font-size:17px;letter-spacing:.05em;display:flex;align-items:center;gap:10px}
.chart-card h4 .dot{width:8px;height:8px;border-radius:2px;background:var(--cyan);}
.chart-card .cen{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:#5F7492;margin-top:3px;text-transform:uppercase}
.chart-card svg{width:100%;height:auto;margin-top:14px}
.glow-line{stroke:var(--cyan);stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round;filter:url(#glowStroke)}
.glow-area{fill:url(#areaGrad);opacity:.9}
.glow-dot{fill:#04263E;stroke:var(--cyan);stroke-width:2.4;filter:url(#glowStroke)}
.bar-rect{fill:url(#barGrad);stroke:var(--cyan);stroke-width:1.4;filter:url(#glowStroke)}
.axis-t{font-family:var(--mono);font-size:11px;fill:#7E92B0}
.grid-l{stroke:rgba(255,255,255,.09);stroke-dasharray:3 5}
.bar-val{font-family:var(--mono);font-size:12px;fill:#CFE9FF}
.bar-lab{font-family:var(--sans);font-size:12px;fill:#9FB2CC}
.strength-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.st-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:28px 22px;transition:.35s;position:relative}
.st-card:hover{border-color:rgba(0,91,173,.5);transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.st-card .ico{width:52px;height:52px;border-radius:var(--radius);display:grid;place-items:center;background:var(--cyan-soft);border:1px solid rgba(0,91,173,.4);color:var(--cyan);margin-bottom:16px;}
.st-card .ico svg{width:26px;height:26px}
.st-card h4{color:#fff;font-size:17px;letter-spacing:.04em}
.st-card .se{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:#5F7492;text-transform:uppercase;margin:2px 0 10px}
.st-card p{color:#9FB2CC;font-size:13.5px}
.cert-preview{margin-top:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cert-mini{border-radius:var(--radius-lg);overflow:hidden;position:relative;border:1px solid rgba(214,175,96,.35);transition:.35s;background:#0D2547}
.cert-mini img{width:100%;aspect-ratio:1280/920;object-fit:cover;transition:transform .6s}
.cert-mini:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(0,0,0,.45);border-color:var(--gold)}
.cert-mini:hover img{transform:scale(1.06)}
.cert-mini .cap{position:absolute;inset:auto 0 0 0;padding:22px 14px 12px;background:linear-gradient(0deg,rgba(4,14,30,.92),transparent);color:#fff;font-size:13.5px;text-align:center;letter-spacing:.06em}
.strength-more{text-align:center;margin-top:30px}

/* ---------------- 合作伙伴 ---------------- */
.partners-sec{background:#fff}
.partner-box{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);background:#fff}
.partner-box img{width:100%;object-fit:contain}
.partner-note{text-align:center;color:var(--muted);font-size:13px;margin-top:16px;letter-spacing:.06em}

/* ---------------- 案例卡片 ---------------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{border-radius:var(--radius-lg);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.35s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-card .im{position:relative;height:224px;overflow:hidden}
.case-card .im img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.case-card:hover .im img{transform:scale(1.08)}
.case-card .im .tag{position:absolute;left:14px;top:14px;background:rgba(0,91,173,.92);color:#fff;font-size:12px;padding:4px 12px;border-radius:4px;letter-spacing:.1em;backdrop-filter:blur(3px)}
.case-card .bd{padding:22px;flex:1;display:flex;flex-direction:column}
.case-card h3{color:var(--ink);font-size:18px;letter-spacing:.02em}
.case-card .ce{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:#AAB6C8;text-transform:uppercase;margin:3px 0 10px}
.case-card p{color:var(--muted);font-size:13.5px;flex:1}
.case-card .lnk{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-size:13.5px;font-weight:600;margin-top:14px}
.case-card .lnk svg{width:14px;height:14px;transition:transform .3s}
.case-card:hover .lnk svg{transform:translateX(4px)}

/* ---------------- 新闻卡片 ---------------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card .im{height:196px;overflow:hidden}
.news-card .im img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.news-card:hover .im img{transform:scale(1.07)}
.news-card .bd{padding:22px;flex:1;display:flex;flex-direction:column}
.news-card .date{display:flex;align-items:baseline;gap:10px;font-family:var(--mono);color:#AAB6C8;font-size:12px;letter-spacing:.12em}
.news-card h3{color:var(--ink);font-size:17px;line-height:1.55;margin:8px 0 8px}
.news-card p{color:var(--muted);font-size:13.5px;flex:1}
.news-card .lnk{margin-top:14px;color:var(--blue);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------------- CTA 横幅 ---------------- */
.cta-band{background:linear-gradient(110deg,#0A1F3C 0%,#0E2C55 55%,#123A6B 100%);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,91,173,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,91,173,.06) 1px,transparent 1px);background-size:40px 40px}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:64px 0;flex-wrap:wrap}
.cta-inner h3{color:#fff;font-size:clamp(22px,2.6vw,32px);letter-spacing:.04em}
.cta-inner .ce{font-family:var(--mono);color:var(--cyan);font-size:11px;letter-spacing:.3em;text-transform:uppercase;display:block;margin-bottom:8px}
.cta-inner p{color:#9FB2CC;margin-top:8px}
.cta-phone{display:flex;align-items:center;gap:16px}
.cta-phone .ico{width:58px;height:58px;border-radius:var(--radius);background:var(--cyan);display:grid;place-items:center;color:#fff;}
.cta-phone .ico svg{width:26px;height:26px}
.cta-phone b{display:block;font-family:var(--mono);font-size:30px;color:#fff;letter-spacing:.04em;}
.cta-phone span{color:#9FB2CC;font-size:13px}

/* ============================================================
   页脚（参考 huyi.cn：认证标识 + 二维码 + 备案）
   ============================================================ */
.site-footer{background:#081527;color:#8FA3BD;font-size:13.5px}
.footer-top{display:grid;grid-template-columns:1.35fr .8fr .9fr 1.15fr;gap:44px;padding:64px 0 46px}
.f-brand .brand{margin-bottom:16px}
.f-brand p{line-height:1.9}
.f-col h5{color:#fff;font-size:16px;letter-spacing:.08em;margin-bottom:18px;position:relative;padding-bottom:12px}
.f-col h5::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--cyan);}
.f-col ul li{margin-bottom:10px}
.f-col ul a{color:#8FA3BD;transition:.25s;display:inline-flex;align-items:center;gap:7px}
.f-col ul a::before{content:"›";color:var(--cyan)}
.f-col ul a:hover{color:#fff;transform:translateX(3px)}
.f-contact li{display:flex;gap:10px;margin-bottom:13px;line-height:1.7}
.f-contact svg{width:16px;height:16px;color:var(--cyan);flex:none;margin-top:4px}
.f-qr{display:flex;gap:20px}
.qr-item{text-align:center;width:118px;flex:none}
.qr-item .qimg{width:118px;height:118px;background:#fff;border-radius:8px;padding:7px;margin:0 auto;box-shadow:0 0 0 1px rgba(0,91,173,.35)}
.qr-item .qimg img{width:100%;height:100%;object-fit:contain;image-rendering:-webkit-optimize-contrast}
.qr-item span{display:block;margin-top:9px;color:#B9C8DC;font-size:12px;letter-spacing:.05em;line-height:1.5}
.qr-item .en-q{display:block;font-family:var(--mono);font-size:9px;color:#5F7492;letter-spacing:.14em;text-transform:uppercase}
.f-badges{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.f-badges img{height:34px;width:auto;object-fit:contain;border-radius:4px}
.f-badges .bd-item{display:flex;align-items:center;gap:9px;color:#B9C8DC;font-size:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:12.5px}
.footer-bottom .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
.footer-bottom a{color:#B9C8DC}
.footer-bottom a:hover{color:var(--cyan)}
.footer-bottom .beian{display:inline-flex;align-items:center;gap:6px}

/* 返回顶部 */
.to-top{position:fixed;right:26px;bottom:30px;width:48px;height:48px;border-radius:var(--radius);background:var(--blue);color:#fff;display:grid;place-items:center;z-index:900;
  opacity:0;visibility:hidden;transform:translateY(14px);transition:.35s;box-shadow:0 12px 28px rgba(0,91,173,.4)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--cyan);color:#fff}
.to-top svg{width:20px;height:20px}

/* ============================================================
   内页通用
   ============================================================ */
.page-banner{position:relative;height:46vh;min-height:380px;display:flex;align-items:flex-end;overflow:hidden;background:var(--blue-deep)}
.page-banner .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);animation:kenburns 8s ease-out forwards}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,36,.82),rgba(6,18,36,.35)),linear-gradient(0deg,rgba(6,18,36,.6),transparent 40%)}
.page-banner .pb-inner{position:relative;z-index:2;width:min(1240px,92%);margin:0 auto;padding-bottom:52px}
.page-banner .pb-en{font-family:var(--mono);color:var(--cyan);letter-spacing:.34em;font-size:12px;text-transform:uppercase;}
.page-banner h1{color:#fff;font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:.05em;margin-top:10px;text-shadow:0 6px 26px rgba(0,0,0,.4)}
.page-banner p{color:rgba(255,255,255,.8);margin-top:8px;max-width:640px}
.crumb{background:#fff;border-bottom:1px solid var(--line)}
.crumb .container{display:flex;align-items:center;gap:10px;padding:15px 0;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}
.crumb .sep{color:#C6D0DE}
.crumb .cur{color:var(--blue);font-weight:600}

/* 关于页 */
.about-sec .split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.about-sec .split.rev .media{order:2}
.about-sec .media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;height:420px;object-fit:cover}
.rich p{margin-bottom:13px;text-align:justify}
.rich .lead{font-size:17px;font-weight:600;color:var(--ink)}
.brand-mean{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.bm-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;background:linear-gradient(160deg,#FBFDFF,#F2F7FC);position:relative;overflow:hidden;transition:.35s}
.bm-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(0,91,173,.3)}
.bm-card .letter{font-family:var(--mono);font-size:74px;font-weight:700;color:transparent;-webkit-text-stroke:1.6px var(--blue);line-height:1;}
.bm-card h4{color:var(--ink);font-size:21px;margin:14px 0 6px}
.bm-card .be{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--blue);text-transform:uppercase}
.bm-card p{color:var(--muted);margin-top:12px}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px;text-align:center;transition:.35s}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.value-card .ico{width:62px;height:62px;margin:0 auto 18px;border-radius:var(--radius);background:#EFF6FD;color:var(--blue);display:grid;place-items:center;border:1px solid #D7E6F5}
.value-card .ico svg{width:30px;height:30px}
.value-card h4{color:var(--ink);font-size:19px}
.value-card .ve{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:#AAB6C8;text-transform:uppercase;margin:4px 0 10px}
.value-card p{color:var(--muted);font-size:14px}

/* 发展历程时间轴（参考 ordro） */
.timeline{position:relative;margin-top:10px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:37px;height:2px;background:linear-gradient(90deg,transparent,var(--blue) 8%,var(--cyan) 50%,var(--blue) 92%,transparent);}
.timeline .tl-track{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.tl-item{text-align:center;position:relative;padding-top:74px}
.tl-item .yr{position:absolute;top:8px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-weight:700;color:var(--blue);font-size:18px}
.tl-item .nd{position:absolute;top:29px;left:50%;transform:translateX(-50%);width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--cyan);z-index:2}
.tl-item .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 12px;min-height:132px;box-shadow:0 6px 18px rgba(10,31,60,.06);transition:.3s}
.tl-item:hover .card{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(0,91,173,.4)}
.tl-item .card b{color:var(--ink);font-size:14.5px;display:block;margin-bottom:6px}
.tl-item .card p{color:var(--muted);font-size:12.5px;line-height:1.7}

/* 实力荣誉页 */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.honor-card{border-radius:var(--radius-lg);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.35s;position:relative}
.honor-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.honor-card .im{overflow:hidden}
.honor-card img{width:100%;aspect-ratio:1280/920;object-fit:cover;transition:transform .6s}
.honor-card:hover img{transform:scale(1.05)}
.honor-card .bd{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.honor-card h4{color:var(--ink);font-size:16.5px;letter-spacing:.03em}
.honor-card .hy{font-family:var(--mono);color:#AAB6C8;font-size:12px}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery-grid .g{border-radius:var(--radius-lg);overflow:hidden;position:relative;height:230px;margin:0}
.gallery-grid .g img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.gallery-grid .g:hover img{transform:scale(1.08)}
.gallery-grid .g figcaption{position:absolute;inset:auto 0 0 0;padding:30px 16px 12px;background:linear-gradient(0deg,rgba(4,14,30,.85),transparent);color:#fff;font-size:13.5px}

/* 产品页 */
.prod-sec{padding:80px 0}
.prod-row{display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center;padding:52px 0;border-bottom:1px dashed var(--line)}
.prod-row:last-child{border-bottom:0}
.prod-row.rev .media{order:2}
.prod-row .media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;margin:0}
.prod-row .media img{width:100%;height:400px;object-fit:cover;transition:transform .8s}
.prod-row .media:hover img{transform:scale(1.06)}
.prod-row .media .mk{position:absolute;left:16px;top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;background:rgba(0,91,173,.92);color:#fff;padding:6px 14px;border-radius:4px}
.prod-row h3{font-size:26px;color:var(--ink);letter-spacing:.03em}
.prod-row .pe{font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--blue);text-transform:uppercase;margin:6px 0 14px}
.prod-row .desc{color:var(--text);margin-bottom:18px}
.spec-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:18px 0 22px}
.spec-table tr{border-bottom:1px solid var(--line)}
.spec-table tr:last-child{border-bottom:0}
.spec-table td{padding:11px 16px;font-size:13.5px}
.spec-table td:first-child{width:120px;background:#F6F9FC;color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:.08em}
.spec-table td:last-child{color:var(--ink);font-weight:600}
.feat-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin-bottom:24px}
.feat-list li{display:flex;gap:9px;color:var(--text);font-size:14px;align-items:flex-start}
.feat-list svg{width:17px;height:17px;color:var(--cyan);flex:none;margin-top:4px;)}

/* 案例页筛选 */
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.filter-tabs button{padding:10px 24px;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);font-size:14px;transition:.3s;background:#fff;font-weight:600}
.filter-tabs button:hover{border-color:var(--blue);color:var(--blue)}
.filter-tabs button.active{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(0,91,173,.3)}
.case-item.hide{display:none}

/* 服务页 */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:flow}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 20px;text-align:center;position:relative;transition:.35s;counter-increment:flow}
.flow-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.flow-item::before{content:"0" counter(flow);font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.2em;display:block;margin-bottom:12px;font-weight:700;}
.flow-item .ico{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:#EFF6FD;border:1.6px solid var(--blue);color:var(--blue);display:grid;place-items:center;position:relative}
.flow-item .ico::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1px dashed rgba(0,91,173,.6);animation:spin 14s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.flow-item .ico svg{width:28px;height:28px}
.flow-item h4{color:var(--ink);font-size:17px;margin-bottom:8px}
.flow-item p{color:var(--muted);font-size:13px}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.promise-card{background:linear-gradient(160deg,#0C2749,#0A1F3C);border:1px solid rgba(0,91,173,.25);border-radius:var(--radius-lg);padding:30px 24px;color:#fff;transition:.35s}
.promise-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.4);border-color:rgba(0,91,173,.6)}
.promise-card .pv{font-family:var(--mono);font-size:34px;font-weight:700;color:var(--cyan);}
.promise-card h4{font-size:17px;margin:10px 0 6px}
.promise-card p{color:#9FB2CC;font-size:13px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;background:#fff;overflow:hidden}
.faq-item .q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:19px 22px;font-size:15.5px;font-weight:600;color:var(--ink);text-align:left}
.faq-item .q .pm{width:26px;height:26px;flex:none;border-radius:4px;background:#EFF6FD;color:var(--blue);display:grid;place-items:center;font-family:var(--mono);font-size:16px;transition:.3s}
.faq-item.open .q .pm{background:var(--blue);color:#fff;transform:rotate(45deg)}
.faq-item .a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item .a p{padding:0 22px 20px;color:var(--muted);font-size:14px}

/* 新闻列表/详情 */
.news-list .news-card{flex-direction:row}
.news-list .news-card .im{width:340px;height:auto;flex:none}
.article-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(24px,4vw,54px);box-shadow:var(--shadow)}
.article-head .date{font-family:var(--mono);color:#AAB6C8;font-size:13px;letter-spacing:.1em}
.article-head h1{color:var(--ink);font-size:clamp(24px,3vw,34px);line-height:1.45;margin:10px 0 18px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article-body p{margin-bottom:16px;text-align:justify;color:var(--text)}
.article-body h3{color:var(--ink);font-size:19px;margin:26px 0 12px;padding-left:14px;border-left:4px solid var(--cyan)}
.article-body ul{margin:0 0 16px 4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:9px;color:var(--text)}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;background:var(--cyan);}
.article-body img{border-radius:var(--radius);margin:10px auto}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.article-nav a{color:var(--blue);font-weight:600;font-size:14px;display:inline-flex;gap:8px;align-items:center}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 24px;text-align:center;transition:.35s}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.contact-card .ico{width:58px;height:58px;margin:0 auto 16px;border-radius:var(--radius);background:#EFF6FD;color:var(--blue);display:grid;place-items:center;border:1px solid #D7E6F5}
.contact-card .ico svg{width:26px;height:26px}
.contact-card h4{color:var(--ink);font-size:16px}
.contact-card .ce{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:#AAB6C8;text-transform:uppercase;margin:3px 0 10px}
.contact-card p{color:var(--text);font-size:14px;word-break:break-all}
.contact-card p b{font-family:var(--mono);font-size:19px;color:var(--blue)}
.contact-split{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.form-card h3{color:var(--ink);font-size:20px;margin-bottom:4px}
.form-card .fe{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:#AAB6C8;text-transform:uppercase}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-top:16px}
.form-group label{display:block;font-size:13px;color:var(--ink);font-weight:600;margin-bottom:7px}
.form-group label i{color:#E5484D;font-style:normal;margin-left:3px}
.form-group input,.form-group textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;font-size:14px;transition:.3s;background:#FBFCFE}
.form-group input:focus,.form-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,91,173,.12)}
.form-group textarea{min-height:120px;resize:vertical}
.form-tip{font-size:12px;color:var(--muted);margin-top:12px}
.form-ok{display:none;margin-top:16px;background:#F0FDF4;border:1px solid #86EFAC;color:#166534;padding:12px 16px;border-radius:var(--radius);font-size:14px}
.form-ok.show{display:block}
.map-card{background:var(--blue-deep);border-radius:var(--radius-lg);overflow:hidden;position:relative;min-height:420px;border:1px solid rgba(0,91,173,.3);display:flex;flex-direction:column}
.map-visual{flex:1;position:relative;background:
  radial-gradient(400px 260px at 60% 40%,rgba(0,91,173,.16),transparent 70%),
  linear-gradient(rgba(0,91,173,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,91,173,.08) 1px,transparent 1px);
  background-size:auto,34px 34px,34px 34px}
.map-pin{position:absolute;left:50%;top:44%;transform:translate(-50%,-100%);text-align:center}
.map-pin .pin{width:52px;height:52px;margin:0 auto;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--cyan);display:grid;place-items:center;animation:pulse 2.2s infinite}
.map-pin .pin svg{width:24px;height:24px;color:#fff;transform:rotate(45deg)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,91,173,.5)}70%{box-shadow:0 0 0 22px rgba(0,91,173,0)}100%{box-shadow:0 0 0 0 rgba(0,91,173,0)}}
.map-pin span{display:inline-block;margin-top:14px;background:#fff;color:var(--ink);font-size:13px;font-weight:600;padding:7px 16px;border-radius:5px;box-shadow:var(--shadow)}
.map-meta{padding:22px 26px;border-top:1px solid rgba(0,91,173,.25)}
.map-meta li{display:flex;gap:10px;color:#B9C8DC;font-size:13.5px;margin-bottom:9px;align-items:flex-start}
.map-meta svg{width:15px;height:15px;color:var(--cyan);flex:none;margin-top:5px}

/* 加入我们 */
.join-culture{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.perk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.perk-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 22px;transition:.35s;text-align:center}
.perk-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.perk-card .ico{width:56px;height:56px;margin:0 auto 14px;border-radius:var(--radius);background:#EFF6FD;color:var(--blue);display:grid;place-items:center;border:1px solid #D7E6F5}
.perk-card .ico svg{width:26px;height:26px}
.perk-card h4{color:var(--ink);font-size:16px;margin-bottom:6px}
.perk-card p{color:var(--muted);font-size:13px}
.job-table{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.job-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr auto;gap:14px;align-items:center;padding:20px 26px;border-bottom:1px solid var(--line);transition:.3s}
.job-row:last-child{border-bottom:0}
.job-row:hover{background:#F7FAFD}
.job-row h4{color:var(--ink);font-size:16.5px}
.job-row .je{font-family:var(--mono);font-size:10px;color:#AAB6C8;letter-spacing:.16em;text-transform:uppercase}
.job-row .meta{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:6px}
.job-row .meta svg{width:14px;height:14px;color:var(--blue)}
.grow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.grow-step{text-align:center;padding:0 18px;position:relative}
.grow-step::before{content:"";position:absolute;top:33px;left:calc(50% + 34px);right:calc(-50% + 34px);height:2px;background:linear-gradient(90deg,var(--cyan),var(--blue));opacity:.55}
.grow-step:last-child::before{display:none}
.grow-step .no{width:66px;height:66px;margin:0 auto 16px;border-radius:50%;background:#fff;border:2px solid var(--cyan);display:grid;place-items:center;font-family:var(--mono);font-weight:700;color:var(--blue);font-size:20px}
.grow-step h4{color:var(--ink);font-size:16.5px;margin-bottom:6px}
.grow-step p{color:var(--muted);font-size:13px}

/* 滚动浮现动画 */
.reveal{opacity:1}
html.js .reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.22,.8,.3,1),transform .8s cubic-bezier(.22,.8,.3,1)}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}}

/* ============================================================
   响应式（PC + 移动）
   ============================================================ */
@media (max-width:1200px){
  .main-nav>li>a{padding:12px 11px;font-size:14.5px}
  .header-cta{display:none}
  .grow-steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .grow-step::before{display:none}
}
@media (max-width:1360px){
  .main-nav>li>a{padding:12px 8px;font-size:14px}
  .brand .mark{width:38px;height:38px}
  .brand .name b{font-size:19px;letter-spacing:.2em}
  .hotline{display:none}
}
@media (max-width:1200px){
  .main-nav{display:none}
  .menu-toggle{display:grid}
}
@media (max-width:1024px){
  .hotline{display:none}
  .site-header{background:rgba(6,18,36,.42);backdrop-filter:blur(6px)}
  .stats-grid{grid-template-columns:repeat(2,1fr);transform:translateY(-30px)}
  .stat:nth-child(3)::before{display:none}
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:0}
  .about-grid,.about-sec .split,.contact-split{grid-template-columns:1fr;gap:44px}
  .about-sec .split.rev .media{order:0}
  .prod-row,.prod-row.rev{grid-template-columns:1fr;gap:34px}
  .prod-row.rev .media{order:0}
  .strength-split{grid-template-columns:1fr}
  .strength-cards,.promise-grid,.perk-grid,.join-culture{grid-template-columns:repeat(2,1fr)}
  .cert-preview,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid,.case-grid,.news-grid,.honor-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .value-grid{grid-template-columns:repeat(3,1fr)}
  .exp-panels{height:520px}
  .news-list .news-card{flex-direction:column}
  .news-list .news-card .im{width:100%;height:200px}
  .job-row{grid-template-columns:1.4fr 1fr 1fr auto}
  .job-row .meta:nth-of-type(2){display:none}
  .timeline::before{left:9px;right:auto;top:0;bottom:0;width:2px;height:auto;background:linear-gradient(180deg,var(--cyan),var(--blue))}
  .timeline .tl-track{grid-template-columns:1fr;gap:20px}
  .tl-item{text-align:left;padding:0 0 0 40px}
  .tl-item .yr{position:static;transform:none}
  .tl-item .nd{left:1px;top:6px;transform:none}
}
@media (max-width:768px){
  .sec{padding:60px 0}
  .hero{min-height:560px}
  .hero .cap-btns .btn{padding:12px 22px;font-size:14px}
  .exp-panels{flex-direction:column;height:auto;gap:12px}
  .exp-panel{min-height:86px;flex:none;transition:min-height .55s cubic-bezier(.22,.8,.3,1)}
  .exp-panel.active{min-height:430px;flex:none}
  .exp-panel .collapsed{flex-direction:row;justify-content:flex-start;padding:0 22px;align-items:center;gap:16px}
  .exp-panel .collapsed .vtitle,.exp-panel .collapsed .idx{writing-mode:horizontal-tb}
  .exp-panel .collapsed .bar{width:36px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
  .exp-panel .collapsed .vtitle{font-size:18px;letter-spacing:.2em}
  .exp-panel .expanded{padding:26px 22px 30px}
  .scene-grid,.case-grid,.news-grid,.honor-grid{grid-template-columns:1fr}
  .scene-card{height:260px}
  .counter-grid{grid-template-columns:repeat(2,1fr)}
  .strength-cards,.promise-grid,.perk-grid,.join-culture{grid-template-columns:1fr}
  .cert-preview,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .value-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:34px;padding:52px 0 36px}
  .brand .name b{font-size:19px}
  .cta-inner{padding:50px 0}
  .job-table{overflow-x:auto}
  .job-row{min-width:640px}
  .about-points{grid-template-columns:repeat(3,1fr)}
  .form-row{grid-template-columns:1fr}
  .brand-mean{grid-template-columns:1fr}
  .hero .arrows{display:none}
  .to-top{right:16px;bottom:20px}
  .f-qr{flex-wrap:wrap}
}
@media (max-width:520px){
  .cert-preview,.gallery-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .counter{padding:22px 14px}
  .about-media .ph-sub{display:none}
  .about-media .exp-badge{left:8px}
}

/* ============================================================
   修订版：高新技术风格首页简介板块 / 关于页全景图文 / 数字条
   ============================================================ */
.hero h1 em{font-style:normal;color:#D9EAF9}
.hero .kicker{color:#BFD9F2;letter-spacing:.2em}
.lnk svg{width:15px;height:15px;flex:none}
.article-nav a svg{width:15px;height:15px}
.about-sec .media{position:relative}
.about-sec .media .ph-main{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-sec .media .ph-main img{width:100%;height:460px;object-fit:cover;transition:transform .8s}
.about-sec .media:hover .ph-main img{transform:scale(1.04)}
.about-sec .media .ph-sub{position:absolute;right:-26px;bottom:-38px;width:46%;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:5px solid #fff}
.about-sec .media .ph-sub img{width:100%;height:210px;object-fit:cover}
.about-sec .media .exp-badge{position:absolute;left:-22px;top:-20px;background:var(--blue-deep);color:#fff;border-radius:var(--radius-lg);padding:16px 20px;border:1px solid rgba(0,91,173,.4)}
.about-sec .media .exp-badge b{font-family:var(--mono);font-size:30px;color:#fff;line-height:1.1}
.about-sec .media .exp-badge b span{font-size:16px}
.about-sec .media .exp-badge span{display:block;font-size:12px;color:#9FB2CC;letter-spacing:.1em;margin-top:4px}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.about-stats div{background:linear-gradient(180deg,#F2F7FD,#fff);border:1px solid #D7E6F5;border-radius:var(--radius);padding:14px 8px;text-align:center}
.about-stats b{font-family:var(--mono);font-size:24px;color:var(--blue);line-height:1}
.about-stats b span{font-size:13px;margin-left:1px}
.about-stats div>span{display:block;color:var(--muted);font-size:12px;margin-top:5px}
.ptag{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;color:var(--blue);font-weight:700}
.ptag::before{content:"";width:24px;height:2px;background:var(--blue)}
.pano-row + .pano-row{margin-top:66px}
.split .media img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.rich h3{font-size:24px;color:var(--ink);margin:12px 0 10px;letter-spacing:.02em}
.rich .feat-list{margin-top:14px}

/* —— 首页高新技术风格板块（扁平无发光） —— */
.about-hi{background:var(--blue-deep);position:relative;overflow:hidden;padding:96px 0}
.about-hi::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;pointer-events:none}
.about-hi .container{position:relative}
.hi-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
.hi-tag{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:#9FC1E4}
.hi-tag::before{content:"";width:28px;height:3px;background:var(--blue)}
.hi-copy h2{color:#fff;font-size:clamp(26px,3.2vw,40px);line-height:1.42;margin:16px 0 18px;letter-spacing:.02em}
.hi-copy p{color:#AEBDD2;font-size:15px;line-height:1.95}
.hi-copy .lead{color:#E2ECF7;font-size:16px;font-weight:600}
.hi-mods{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:26px 0 28px;list-style:none;padding:0}
.hi-mods li{display:flex;align-items:center;gap:12px;padding:14px 15px;background:rgba(255,255,255,.045);border:1px solid rgba(0,91,173,.5);border-radius:var(--radius);transition:border-color .3s,background .3s}
.hi-mods li:hover{border-color:var(--blue);background:rgba(0,91,173,.18)}
.hi-mods .no{font-family:var(--mono);font-size:12px;color:#7FA8D4;letter-spacing:.1em;flex:none}
.hi-mods svg{width:21px;height:21px;color:#BFD8EF;flex:none}
.hi-mods b{display:block;color:#fff;font-size:14.5px}
.hi-mods div span{display:block;color:#8CA0BA;font-size:12px;margin-top:2px}
.hi-frame{position:relative;padding:10px;border:1px solid rgba(0,91,173,.55)}
.hi-frame img{width:100%;display:block}
.corner{position:absolute;width:20px;height:20px;border:0 solid var(--blue)}
.corner.tl{top:-2px;left:-2px;border-top-width:3px;border-left-width:3px}
.corner.tr{top:-2px;right:-2px;border-top-width:3px;border-right-width:3px}
.corner.bl{bottom:-2px;left:-2px;border-bottom-width:3px;border-left-width:3px}
.corner.br{bottom:-2px;right:-2px;border-bottom-width:3px;border-right-width:3px}
.hi-chip{position:absolute;right:-16px;bottom:26px;background:#fff;border-radius:var(--radius);padding:13px 20px;box-shadow:var(--shadow-lg)}
.hi-chip b{font-family:var(--mono);font-size:27px;color:var(--blue);line-height:1}
.hi-chip span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.hi-row{display:grid;grid-template-columns:1.1fr 1fr;gap:16px;margin-top:16px}
.hi-row img{width:100%;height:168px;object-fit:cover;border-radius:var(--radius)}
.hi-kv{display:flex;flex-direction:column;justify-content:center;gap:18px}
.hi-kv b{font-family:var(--mono);color:#fff;font-size:26px;line-height:1.15}
.hi-kv b small{font-size:13px;color:#7FA8D4;margin-left:3px}
.hi-kv div>span{color:#8CA0BA;font-size:12px}
.btn-light{background:#fff;color:var(--blue-deep)}
.btn-light:hover{background:var(--blue);color:#fff}
@media (max-width:1200px){.hi-grid{grid-template-columns:1fr;gap:44px}.hi-frame img{height:auto}}
@media (max-width:1024px){.about-hi{padding:64px 0}.hi-row img{height:130px}}
@media (max-width:520px){.about-stats{grid-template-columns:repeat(2,1fr)}.hi-mods{grid-template-columns:1fr}.about-sec .media .ph-main img{height:300px}.split .media img{height:260px}}

/* ============================================================
   V3修订：透明蒙版图卡 / 真实证书竖版 / 精简标题装饰 / 联系卡
   ============================================================ */
.sec-head{margin-bottom:42px}
.sec-head h2{position:relative;padding-top:18px}
.sec-head h2::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--blue)}
.sec-head.center h2::before{left:50%;transform:translateX(-50%)}
.sec-head.on-dark h2{color:#fff}
.sec-head.on-dark h2::before{background:var(--blue)}
.contact-card b.big{display:block;font-family:var(--mono);font-size:22px;color:var(--blue-ink);line-height:1.5;margin-top:6px;font-weight:700}
.contact-card b.big.sm{font-size:15px;font-family:var(--sans);color:var(--text);font-weight:600}
.st-card{text-align:center;padding:34px 22px}
.st-card .ico{margin:0 auto 16px}
.st-card .se{display:block;font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.4);letter-spacing:.2em;margin-top:8px}
.mask-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mask-card{position:relative;height:470px;border-radius:var(--radius-lg);overflow:hidden}
.mask-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.mask-card:hover img{transform:scale(1.06)}
.mask-card .ov{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:26px 24px;
  background:linear-gradient(180deg,rgba(6,18,36,.06) 40%,rgba(6,18,36,.85) 100%);transition:background .4s}
.mask-card:hover .ov{background:linear-gradient(180deg,rgba(6,18,36,.12) 30%,rgba(6,18,36,.9) 100%)}
.mask-card .ov h3{color:#fff;font-size:22px;letter-spacing:.06em;margin-bottom:12px}
.mask-card .ov ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.mask-card .ov li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.86);font-size:13.5px}
.mask-card .ov li svg{width:15px;height:15px;color:var(--blue);background:#fff;border-radius:50%;padding:2px;flex:none}
.honor-card .im{background:#fff;padding:14px;height:320px;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.honor-card .im img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .5s}
.honor-card:hover .im img{transform:scale(1.04)}
.cert-mini{background:#fff}
.cert-mini img{object-fit:contain;background:#fff}
@media (max-width:1024px){
  .mask-grid{grid-template-columns:1fr}
  .mask-card{height:340px}
  .honor-card .im{height:280px}
}

/* ============================================================
   V4：首页大气化 + 动画失效保护
   ============================================================ */
html.js .reveal{opacity:0;transform:translateY(30px)}
html.js .reveal.in{opacity:1;transform:none}

/* —— hero 大标题 / 水印 / 计数器 —— */
.hero h1{font-size:clamp(38px,6vw,76px);letter-spacing:.04em}
.hero .cap-btns .btn{padding:17px 36px;font-size:15.5px}
.hero .wm{position:absolute;right:3vw;bottom:16vh;z-index:1;font-weight:900;font-size:clamp(88px,13vw,210px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.16);letter-spacing:.1em;pointer-events:none;user-select:none;opacity:0;transform:translateX(40px);transition:opacity 1.2s .5s,transform 1.2s .5s}
.hero .slide.active .wm{opacity:1;transform:none}
.hero .sl-count{position:absolute;right:52px;bottom:46px;z-index:6;display:flex;align-items:baseline;gap:7px;font-family:var(--mono)}
.hero .sl-count b{font-size:32px;color:#fff;font-weight:700;line-height:1}
.hero .sl-count span{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.1em}

/* —— 品牌宣言横幅带 —— */
.statement{position:relative;height:520px;display:grid;place-items:center;text-align:center;overflow:hidden}
.statement .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06)}
.statement .st-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,36,.58),rgba(6,18,36,.78))}
.statement .st-inner{position:relative;z-index:2;padding:0 22px}
.statement h2{color:#fff;font-size:clamp(30px,4.6vw,58px);font-weight:800;letter-spacing:.08em;line-height:1.35}
.statement h2 span{color:#8FB4DC;margin:0 12px}
.statement p{color:rgba(255,255,255,.85);font-size:16px;margin:20px 0 34px;letter-spacing:.06em}
.st-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* —— hi板块描边水印 —— */
.about-hi .hi-wm{position:absolute;right:-14px;top:30px;font-weight:900;font-size:clamp(70px,9vw,140px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.08);letter-spacing:.12em;pointer-events:none;user-select:none}

/* —— 标题与数字条加大 —— */
.sec-head h2{font-size:clamp(27px,3.5vw,44px);letter-spacing:.05em}
.stat .val{font-size:clamp(32px,3.8vw,50px)}
.stat{position:relative}
.stats-grid .stat:not(:first-child)::before{content:"";position:absolute;left:0;top:18%;height:64%;width:1px;background:var(--line)}
@media (max-width:900px){.stats-grid .stat:not(:first-child)::before{display:none}.hero .sl-count{display:none}.hero .wm{display:none}.statement{height:420px}}

/* —— hero 布局微调：箭头上移避让计数器 —— */
.hero .arrows{bottom:110px;right:52px}
.hero .arrows button{width:46px;height:46px}
@media (max-width:900px){.hero .arrows{display:none}}

/* ============================================================
   V5：四大实力图文卡 / 现代Logo墙 / CTA蒙版背景
   ============================================================ */
/* —— 四大实力支撑：图文卡片（黑字） —— */
.ift-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ift-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.35s}
.ift-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,91,173,.4)}
.ift-card .im{height:190px;overflow:hidden}
.ift-card .im img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ift-card:hover .im img{transform:scale(1.05)}
.ift-card .bd{padding:20px 18px 22px;position:relative}
.ift-card .bd::before{content:"";position:absolute;top:0;left:18px;width:34px;height:3px;background:var(--blue)}
.ift-card .no{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:.2em}
.ift-card h4{color:var(--ink);font-size:16.5px;margin:8px 0 10px;letter-spacing:.03em;font-weight:700}
.ift-card p{color:#5A6B82;font-size:13px;line-height:1.85;margin:0}

/* —— 合作伙伴：深色现代Logo墙 —— */
.partners-band{background:radial-gradient(1100px 500px at 15% -10%,rgba(0,91,173,.16),transparent 60%),linear-gradient(160deg,#081A33,#0A1F3C 55%,#0B2344);position:relative;overflow:hidden;padding:88px 0}
.partners-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,91,173,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,91,173,.05) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.partners-band .container{position:relative}
.p-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.p-logo{background:#fff;border-radius:10px;padding:14px 18px;display:grid;place-items:center;height:88px;transition:.35s;position:relative;overflow:hidden}
.p-logo::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--blue);transition:.35s}
.p-logo:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(0,0,0,.35)}
.p-logo:hover::after{width:100%}
.p-logo img{max-width:100%;max-height:54px;object-fit:contain;transition:.35s}
.p-logo:hover img{transform:scale(1.05)}
.p-note{text-align:center;color:rgba(255,255,255,.45);font-size:12.5px;margin:24px 0 0;letter-spacing:.06em}

/* —— CTA通栏：蒙版背景图 —— */
.cta-band .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cta-band .cta-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,18,36,.93) 30%,rgba(10,31,60,.8))}
.cta-band .cta-inner{position:relative;z-index:2}

@media (max-width:1024px){.ift-grid{grid-template-columns:repeat(2,1fr)}.p-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.ift-grid{grid-template-columns:1fr}.p-grid{grid-template-columns:repeat(2,1fr)}}

/* ============================================================
   V6：语言切换器 / CTA蒙版减淡
   ============================================================ */
.lang{position:relative;margin-left:6px}
.lang-btn{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text);font-size:13.5px;letter-spacing:.02em;transition:.3s}
.lang-btn:hover{border-color:var(--blue);color:var(--blue)}
.lang-btn svg{width:14px;height:14px}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:136px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 40px rgba(10,31,60,.14);padding:6px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.25s;z-index:80}
.lang:hover .lang-menu,.lang:focus-within .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu a{display:block;padding:9px 12px;border-radius:7px;font-size:13.5px;color:var(--text);white-space:nowrap}
.lang-menu a:hover{background:#F0F6FD;color:var(--blue)}
.lang-menu a.on{color:var(--blue);font-weight:600;background:#F0F6FD}
@media (max-width:900px){.lang-btn{height:34px;padding:0 10px;font-size:13px}}

/* —— CTA通栏：蒙版更透、背景图更清晰 —— */
.cta-band .cta-mask{background:linear-gradient(100deg,rgba(6,18,36,.7) 18%,rgba(10,31,60,.46) 70%,rgba(10,31,60,.4))}
.cta-band .cta-inner h3,.cta-band .cta-inner p,.cta-band .ce{text-shadow:0 1px 12px rgba(6,18,36,.4)}
.cta-band .cta-phone{background:rgba(255,255,255,.08);backdrop-filter:blur(3px);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:10px 16px}

/* —— 英文版头部紧凑化：保证语言切换器在视口内 —— */
body.lang-en .nav > ul{gap:4px}
body.lang-en .nav a{font-size:12.5px;letter-spacing:.02em;padding:10px 9px}
body.lang-en .hotline .tel small{display:none}
body.lang-en .hotline{margin-right:6px}
@media (max-width:1560px){body.lang-en .hotline{display:none}}
body.lang-en .cap-inner h1{font-size:clamp(34px,4.4vw,60px)}
body.lang-en .logo .wordmark{letter-spacing:.12em}
body.lang-en .main-nav>li>a{font-size:13px;padding:12px 8px;letter-spacing:0}
body.lang-en .main-nav{gap:0}
body.lang-en .site-header .logo{margin-right:8px}
body.lang-en .brand .name b{font-size:17px;letter-spacing:.1em}
body.lang-en .brand .name span{font-size:9.5px;letter-spacing:.22em}
body.lang-en .main-nav>li>a{padding:12px 6px;font-size:12.5px}
body.lang-en .lang-btn{padding:0 10px;font-size:12.5px}

/* —— V6.1 新版Logo图标 —— */
.brand .mark{width:58px;height:44px}
.brand .mark .logo-img{width:100%;height:100%;object-fit:contain;display:block}
@media (max-width:900px){.brand .mark{width:48px;height:38px}}