:root{
  --blue:#1256b8; --blue-deep:#0a3d7e; --navy:#0a1c38; --navy2:#0e2a52;
  --orange:#f39a1e; --orange2:#fbb03b;
  --text:#1c2b3a; --gray:#64748b; --line:#e5eaf1; --bg-soft:#f5f8fc;
  --head-h:76px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:#fff;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}
.container{width:min(1240px,92%);margin:0 auto}
section{scroll-margin-top:var(--head-h)}

/* ============ 顶部导航 ============ */
#header{position:fixed;inset:0 0 auto 0;height:var(--head-h);z-index:100;display:flex;align-items:center;transition:background .35s,box-shadow .35s,height .35s}
#header .h-inner{width:min(1360px,96%);margin:0 auto;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo img{height:54px;transition:height .35s,opacity .35s}
#header.scrolled{background:rgba(255,255,255,.97);box-shadow:0 4px 24px rgba(10,40,90,.10);height:64px}
#header.scrolled .logo img{height:44px}
#mainNav{display:flex;gap:4px;margin-left:auto}
#mainNav a{position:relative;padding:10px 15px;font-size:15.5px;color:#fff;font-weight:500;transition:color .25s;white-space:nowrap}
#header.scrolled #mainNav a{color:var(--text)}
#mainNav a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .28s;border-radius:2px}
#mainNav a:hover::after,#mainNav a.active::after{transform:scaleX(1)}
#mainNav a:hover,#mainNav a.active{color:var(--orange2)}
#header.scrolled #mainNav a:hover,#header.scrolled #mainNav a.active{color:var(--orange)}

/* 语言切换 */
.lang-wrap{position:relative;flex-shrink:0}
.lang-btn{display:flex;align-items:center;gap:7px;padding:8px 14px;border-radius:22px;border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.12);color:#fff;font-size:14px;cursor:pointer;transition:.25s;backdrop-filter:blur(4px)}
#header.scrolled .lang-btn{border-color:#c9d6e8;background:#fff;color:var(--text)}
.lang-btn svg{width:16px;height:16px}
.lang-btn .chev{transition:transform .25s}
.lang-wrap.open .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;top:calc(100% + 10px);right:0;background:#fff;border-radius:12px;box-shadow:0 14px 40px rgba(10,40,90,.18);padding:8px;min-width:158px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.28s}
.lang-wrap.open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:10px 14px;border:0;background:none;font-size:14.5px;color:var(--text);border-radius:8px;cursor:pointer}
.lang-menu button:hover{background:#f0f5fc;color:var(--blue)}
.lang-menu button.on{background:#eaf2fd;color:var(--blue);font-weight:600}
.lang-menu button::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:0}
.lang-menu button.on::before{opacity:1}
#menuBtn{display:none;width:42px;height:42px;border:0;background:none;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
#menuBtn span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
#header.scrolled #menuBtn span{background:var(--text)}
#menuBtn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#menuBtn.open span:nth-child(2){opacity:0}
#menuBtn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 左侧圆点导航 ============ */
#sideDots{position:fixed;left:22px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:16px}
#sideDots a{position:relative;width:10px;height:10px;border-radius:50%;background:rgba(120,140,165,.45);border:1px solid transparent;transition:.3s}
#sideDots a::before{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid rgba(120,140,165,.35);opacity:0;transition:.3s}
#sideDots a .lb{position:absolute;left:22px;top:50%;transform:translateY(-50%);background:var(--navy);color:#fff;font-size:12px;padding:5px 12px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:.25s}
#sideDots a:hover .lb{opacity:1}
#sideDots a.active{background:var(--orange)}
#sideDots a.active::before{opacity:1;border-color:var(--orange)}
@media (max-width:1290px){#sideDots{display:none}}

/* 右侧在线咨询 */
#consultTab{position:fixed;right:0;top:42%;z-index:95;width:48px;height:160px;background:linear-gradient(180deg,var(--orange2),var(--orange));color:#fff;font-size:14.5px;font-weight:600;border-radius:10px 0 0 10px;box-shadow:-6px 8px 20px rgba(243,154,30,.35);transition:.3s;text-align:center}
#consultTab .vt{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(90deg);white-space:nowrap;letter-spacing:5px}
#consultTab:hover{width:56px}

/* 回到顶部 */
#backTop{position:fixed;right:26px;bottom:34px;z-index:95;width:46px;height:46px;border-radius:50%;border:0;background:var(--blue);color:#fff;font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);transition:.35s;box-shadow:0 10px 24px rgba(18,86,184,.35)}
#backTop.show{opacity:1;visibility:visible;transform:none}
#backTop:hover{background:var(--orange)}

/* ============ 通用板块头 ============ */
.sec-more{flex-shrink:0;align-self:center;font-size:14px;color:var(--blue);border:1px solid #c9d9ee;padding:9px 22px;border-radius:22px;transition:.3s;white-space:nowrap}
.sec-more:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-label{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:700;letter-spacing:5px;color:var(--blue);text-transform:uppercase}
.sec-label::before,.sec-label::after{content:"";width:34px;height:2px;background:linear-gradient(90deg,transparent,var(--orange));}
.sec-label::after{background:linear-gradient(90deg,var(--orange),transparent)}
.sec-title{font-size:36px;font-weight:800;color:#14243a;margin-top:12px;letter-spacing:1px}
.sec-title i{font-style:normal;color:var(--orange)}
.sec-sub{max-width:760px;margin:14px auto 0;font-size:15px;line-height:1.9;color:var(--gray)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:26px;font-size:15px;font-weight:600;transition:.3s;cursor:pointer;border:0}
.btn-o{background:linear-gradient(90deg,var(--orange2),var(--orange));color:#fff;box-shadow:0 8px 20px rgba(243,154,30,.35)}
.btn-o:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(243,154,30,.45)}
.btn-b{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(18,86,184,.3)}
.btn-b:hover{transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.75);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:#fff;color:var(--blue)}

/* ============ Hero 大图轮播 ============ */
#home{position:relative;height:100vh;min-height:640px;overflow:hidden;background:var(--navy)}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s;z-index:1}
.hero-slide.on{opacity:1;z-index:2}
.hero-slide .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 7s ease-out}
.hero-slide.on .bg{transform:scale(1)}
.hero-slide .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,8,20,.55) 0%,rgba(2,8,20,.32) 42%,rgba(2,8,20,.60) 100%),linear-gradient(100deg,rgba(6,22,48,.78) 0%,rgba(8,30,66,.45) 45%,rgba(8,30,66,.15) 75%)}
.hero-txt{position:relative;z-index:3;height:100%;display:flex;flex-direction:column;justify-content:center;max-width:min(1240px,90%);margin:0 auto;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:10px;color:var(--orange2);font-size:15px;font-weight:700;letter-spacing:4px;margin-bottom:22px}
.hero-tag::before{content:"";width:38px;height:2px;background:var(--orange)}
.hero-txt h1{color:#fff;font-size:56px;line-height:1.25;font-weight:800;text-shadow:0 4px 24px rgba(0,0,0,.35);max-width:860px}
.hero-txt p{color:rgba(255,255,255,.88);font-size:19px;margin-top:20px;letter-spacing:1px;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.hero-btns{display:flex;gap:16px;margin-top:38px}
.hero-arrows{position:absolute;z-index:6;top:50%;width:100%;pointer-events:none}
.hero-arrows button{pointer-events:auto;position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(10,30,60,.25);color:#fff;font-size:20px;cursor:pointer;transition:.3s;backdrop-filter:blur(3px)}
.hero-arrows button:hover{background:var(--orange);border-color:var(--orange)}
.hero-arrows .prev{left:34px}.hero-arrows .next{right:34px}
.hero-dots{position:absolute;z-index:6;bottom:34px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.hero-dots button{width:26px;height:5px;border-radius:4px;border:0;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s;padding:0}
.hero-dots button.on{background:var(--orange);width:44px}
.hero-corner{position:absolute;z-index:5;right:0;bottom:64px;background:linear-gradient(90deg,rgba(243,154,30,.92),rgba(251,176,59,.78));color:#fff;padding:14px 34px 14px 26px;font-size:17px;font-weight:700;letter-spacing:3px;clip-path:polygon(14px 0,100% 0,100% 100%,0 100%);text-shadow:0 1px 6px rgba(0,0,0,.25)}

/* ============ 关于 + 数字 ============ */
#about{padding:96px 0 70px;background:#fff}
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.about-txt .sec-label{margin-bottom:6px}
.about-txt .sec-title{text-align:left;font-size:34px;line-height:1.4}
.about-txt .sec-title::after{content:"";display:block;width:64px;height:3px;background:linear-gradient(90deg,var(--blue),var(--orange));margin-top:18px;border-radius:2px}
.about-txt p{font-size:15.5px;line-height:2;color:#4a5a6d;margin-top:22px;text-align:justify}
.about-pic{position:relative}
.about-pic>img{width:100%;height:460px;object-fit:cover;border-radius:14px;box-shadow:0 24px 60px rgba(10,40,90,.22)}
.about-pic::before{content:"";position:absolute;left:-22px;top:-22px;width:130px;height:130px;border-left:4px solid var(--orange);border-top:4px solid var(--orange);border-radius:4px 0 0 0;z-index:1}
.about-pic::after{content:"";position:absolute;right:-18px;bottom:-18px;width:150px;height:150px;border-right:4px solid var(--blue);border-bottom:4px solid var(--blue);border-radius:0 0 10px 0}
.exp-badge{position:absolute;left:-34px;bottom:52px;z-index:3;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;padding:22px 24px;border-radius:14px;box-shadow:0 18px 40px rgba(10,50,110,.4);text-align:center}
.exp-badge b{font-size:42px;font-weight:800;display:block;line-height:1;color:#ffd23f}
.exp-badge b em{font-style:normal;font-size:20px}
.exp-badge span{font-size:13.5px;opacity:.9;display:block;margin-top:8px;letter-spacing:1px}

#numbers{background:linear-gradient(115deg,#0b3e8f 0%,#1256b8 55%,#0d4aa6 100%);padding:60px 0 56px;position:relative;overflow:hidden}
#numbers::before{content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;border:44px solid rgba(255,255,255,.06)}
#numbers::after{content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;border-radius:50%;border:34px solid rgba(255,255,255,.05)}
.num-grid{position:relative;z-index:2;display:flex;flex-direction:column;gap:38px;width:min(1600px,97%);margin:0 auto}
.num-row{display:flex;justify-content:center;align-items:flex-end;gap:clamp(24px,4vw,64px);flex-wrap:wrap}
.num-item{text-align:center;color:#fff}
.num-item b{font-size:clamp(44px,6.2vw,100px);font-weight:800;display:block;line-height:.82;color:#ffd23f;letter-spacing:-.045em;font-variant-numeric:tabular-nums;text-shadow:0 3px 18px rgba(255,210,63,.28);white-space:nowrap}
.num-item b em{font-style:normal;font-size:.34em;margin-left:.05em;letter-spacing:0}
.num-item > span{display:block;margin-top:12px;font-size:15px;opacity:.82;letter-spacing:2px}
.num-item b .cnt{font-size:inherit;font-weight:inherit;color:inherit}

/* ============ 产品中心 大图展播 ============ */
#products{padding:90px 0;background:var(--bg-soft)}
.prod-stage{position:relative;height:76vh;min-height:560px;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(10,40,90,.25)}
.prod-bg{position:absolute;inset:0;opacity:0;transition:opacity .9s;transform:scale(1.06);transition:opacity .9s,transform 6s ease-out}
.prod-bg.on{opacity:1;transform:scale(1)}
.prod-bg img{width:100%;height:100%;object-fit:cover}
.prod-shade{position:absolute;inset:0;background:linear-gradient(78deg,rgba(8,26,54,.82) 0%,rgba(8,26,54,.35) 42%,rgba(8,26,54,0) 62%)}
.prod-info{position:absolute;left:56px;bottom:64px;z-index:3;color:#fff;max-width:600px}
.prod-info .series{display:inline-block;background:linear-gradient(90deg,var(--orange2),var(--orange));font-size:13.5px;font-weight:700;letter-spacing:2px;padding:7px 18px;border-radius:18px;margin-bottom:18px}
.prod-info h3{font-size:44px;font-weight:800;letter-spacing:2px;text-shadow:0 3px 16px rgba(0,0,0,.35)}
.prod-info h3 small{font-size:20px;font-weight:600;opacity:.85;margin-left:14px;letter-spacing:0}
.prod-info p{margin-top:16px;font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.92);max-height:88px;overflow:hidden}
.prod-info .btn{margin-top:24px}
.prod-list{position:absolute;right:0;top:0;bottom:0;z-index:4;width:308px;background:rgba(8,24,50,.55);backdrop-filter:blur(10px);display:flex;flex-direction:column;justify-content:center;padding:18px 0}
.prod-list li{position:relative;padding:13px 26px;color:rgba(255,255,255,.72);cursor:pointer;display:flex;align-items:center;gap:12px;transition:.3s;border-left:3px solid transparent}
.prod-list li .idx{font-family:Georgia,serif;font-size:13px;opacity:.6;min-width:22px}
.prod-list li .nm{font-size:15.5px;font-weight:600}
.prod-list li .cd{margin-left:auto;font-size:12px;opacity:.65;letter-spacing:1px}
.prod-list li:hover{color:#fff;background:rgba(255,255,255,.07)}
.prod-list li.on{color:#fff;background:linear-gradient(90deg,rgba(243,154,30,.28),rgba(243,154,30,.05));border-left-color:var(--orange)}
.prod-list li.on .idx{color:var(--orange2);opacity:1}
.prod-prog{position:absolute;left:56px;bottom:30px;z-index:4;width:210px;height:3px;background:rgba(255,255,255,.28);border-radius:3px;overflow:hidden}
.prod-prog i{display:block;height:100%;width:0;background:var(--orange);border-radius:3px}
.prod-count{position:absolute;left:56px;top:44px;z-index:4;color:#fff;font-family:Georgia,serif;font-size:30px;font-weight:700}
.prod-count small{font-size:16px;opacity:.7}
.prod-chips{display:none}

/* ============ 技术中心 大图轮播 ============ */
#technology{padding:90px 0 80px;background:#fff}
.tech-wrap{position:relative;height:74vh;min-height:540px;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(10,40,90,.22);background:#0c2246}
.tech-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s;z-index:1}
.tech-slide.on{opacity:1;z-index:2}
.tech-slide img{width:100%;height:100%;object-fit:cover;transform:scale(1);transition:transform 6.5s ease-out}
.tech-slide.on img{transform:scale(1.07)}
.tech-slide .tshade{position:absolute;inset:0;background:linear-gradient(8deg,rgba(7,22,48,.85) 0%,rgba(7,22,48,.25) 42%,rgba(7,22,48,0) 62%)}
.tech-cap{position:absolute;left:54px;bottom:118px;z-index:4;color:#fff;max-width:640px;background:rgba(9,26,54,.6);backdrop-filter:blur(8px);border-left:4px solid var(--orange);padding:26px 32px;border-radius:0 14px 14px 0}
.tech-cap h3{font-size:30px;font-weight:800;letter-spacing:1px}
.tech-cap p{margin-top:12px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.88)}
.tech-idx{position:absolute;right:52px;top:44px;z-index:4;color:#fff;font-family:Georgia,serif;font-size:52px;font-weight:700;text-shadow:0 4px 18px rgba(0,0,0,.4)}
.tech-idx small{font-size:22px;opacity:.65}
.tech-arrows button{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:50px;height:50px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(10,30,60,.3);color:#fff;font-size:19px;cursor:pointer;transition:.3s;backdrop-filter:blur(3px)}
.tech-arrows button:hover{background:var(--orange);border-color:var(--orange)}
.tech-arrows .prev{left:26px}.tech-arrows .next{right:26px}
.tech-thumbs{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:5;display:flex;gap:12px}
.tech-thumbs button{width:118px;height:66px;border-radius:8px;overflow:hidden;border:2px solid rgba(255,255,255,.35);padding:0;background:none;cursor:pointer;opacity:.65;transition:.3s}
.tech-thumbs button img{width:100%;height:100%;object-fit:cover}
.tech-thumbs button.on{opacity:1;border-color:var(--orange);transform:translateY(-4px)}

/* ============ 荣誉资质 3D 环绕 ============ */
#honors{padding:88px 0 64px;background:radial-gradient(1100px 520px at 50% -8%,#eaf2fd 0%,#f7fafd 55%,#fff 100%);overflow:hidden}
.ring-stage{position:relative;height:560px;perspective:1500px;margin-top:8px}
.ring-stage::before{content:"";position:absolute;left:50%;bottom:64px;width:660px;height:120px;transform:translateX(-50%);background:radial-gradient(ellipse at center,rgba(18,86,184,.20),transparent 68%);border-radius:50%}
.ring-stage::after{content:"";position:absolute;left:50%;bottom:96px;width:420px;height:26px;transform:translateX(-50%);background:linear-gradient(90deg,transparent,rgba(243,154,30,.5),transparent);border-radius:50%;filter:blur(4px)}
.ring{position:absolute;left:50%;top:46%;width:340px;height:244px;margin:-122px 0 0 -170px;transform-style:preserve-3d}
.ring-item{position:absolute;inset:0;backface-visibility:hidden;border-radius:12px;overflow:hidden;background:#fff;border:5px solid #fff;box-shadow:0 22px 48px rgba(10,40,90,.30);transition:box-shadow .4s;cursor:pointer}
.ring-item img{width:100%;height:100%;object-fit:cover}
.ring-item:hover{box-shadow:0 26px 60px rgba(243,154,30,.4)}
.ring-name{text-align:center;margin-top:2px;font-size:15.5px;color:#31445c;font-weight:600;letter-spacing:1px;min-height:24px}
.ring-ctrl{display:flex;justify-content:center;align-items:center;gap:22px;margin-top:18px}
.ring-ctrl button{width:50px;height:50px;border-radius:50%;border:1.5px solid #cfdaea;background:#fff;color:var(--blue);font-size:19px;cursor:pointer;transition:.3s}
.ring-ctrl button:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.ring-hint{font-size:13px;color:#94a5ba;letter-spacing:1px}
.honor-grid{display:none}

/* ============ 市场分布 满屏地图 ============ */
#market{position:relative;height:100vh;min-height:700px;background:linear-gradient(140deg,#071f4d 0%,#0b3173 48%,#0e3f8f 100%);overflow:hidden}
#market::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(90,140,220,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(90,140,220,.07) 1px,transparent 1px);background-size:56px 56px}
#market::after{content:"";position:absolute;right:-140px;top:-140px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(24,86,190,.35),transparent 70%)}
.mk-panel{position:absolute;left:max(4%,calc((100% - 1360px)/2));top:50%;transform:translateY(-50%);z-index:5;width:352px;color:#fff}
.mk-panel .sec-label{color:#9cc4ff}
.mk-panel .sec-label::before,.mk-panel .sec-label::after{background:linear-gradient(90deg,transparent,var(--orange2))}
.mk-panel .sec-label::after{background:linear-gradient(90deg,var(--orange2),transparent)}
.mk-panel h2{font-size:36px;font-weight:800;margin-top:12px}
.mk-panel h2 i{font-style:normal;color:var(--orange2)}
.mk-panel>p{margin-top:16px;font-size:14.5px;line-height:2;color:#c3d6f5;text-align:justify}
.mk-legend{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap}
.mk-legend span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#cfe0fb;background:rgba(255,255,255,.08);border:1px solid rgba(120,170,255,.25);padding:7px 14px;border-radius:18px}
.mk-legend i{width:9px;height:9px;border-radius:50%;background:var(--orange2);box-shadow:0 0 8px var(--orange2)}
.mk-legend i.hq{background:#ff7a1a;width:11px;height:11px}
.mk-stats{display:flex;gap:34px;margin-top:26px}
.mk-stats b{font-size:30px;color:#ffd23f;font-weight:800;text-shadow:0 2px 14px rgba(255,210,63,.3)}
.mk-stats b em{font-style:normal;font-size:15px;color:var(--orange2)}
.mk-stats span{display:block;font-size:12.5px;color:#9db8e2;margin-top:4px;letter-spacing:1px}
#chinaMap{position:absolute;inset:0;z-index:2}
.map-badge{position:absolute;right:5%;bottom:7%;z-index:5;color:#9db8e2;font-size:12.5px;letter-spacing:2px;background:rgba(7,25,58,.55);border:1px solid rgba(110,160,255,.25);padding:8px 18px;border-radius:18px;backdrop-filter:blur(4px)}

/* ============ 合作流程 ============ */
#process{padding:64px 0;background:#fff}
.proc-row{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;position:relative}
.proc-row::before{content:"";position:absolute;left:8%;right:8%;top:31px;height:2px;background:linear-gradient(90deg,var(--blue) 0%,var(--orange) 100%);opacity:.35}
.proc{text-align:center;position:relative}
.proc i{display:flex;align-items:center;justify-content:center;width:62px;height:62px;margin:0 auto;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue);font-size:24px;font-weight:800;font-style:normal;position:relative;z-index:2;transition:.3s;box-shadow:0 8px 20px rgba(18,86,184,.16)}
.proc:hover i{background:var(--blue);color:#fff;transform:translateY(-6px)}
.proc h4{margin-top:16px;font-size:16.5px;color:#22344c;font-weight:700}
.proc span{display:block;margin-top:6px;font-size:12.5px;color:#94a5ba;letter-spacing:1px}

/* ============ 新闻动态 ============ */
#news{padding:90px 0;background:var(--bg-soft)}
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:30px;align-items:stretch}
.news-side{display:flex;flex-direction:column;gap:14px;justify-content:center}
.news-item{display:flex;gap:16px;padding:16px;border-radius:12px;background:#fff;border:1px solid var(--line);cursor:pointer;transition:.3s;position:relative;overflow:hidden}
.news-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--orange);transform:scaleY(0);transition:.3s}
.news-item img{width:108px;height:74px;object-fit:cover;border-radius:8px;flex-shrink:0}
.news-item h4{font-size:15.5px;font-weight:600;color:#22344c;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .nd{font-size:12.5px;color:#94a5ba;margin-top:6px;letter-spacing:1px}
.news-item:hover{transform:translateX(6px);box-shadow:0 12px 30px rgba(10,40,90,.12)}
.news-item.on{border-color:rgba(243,154,30,.6);background:linear-gradient(90deg,#fff8ef,#fff)}
.news-item.on::before{transform:scaleY(1)}
.news-item.on h4{color:var(--orange)}
.news-stage{position:relative;border-radius:16px;overflow:hidden;min-height:460px;box-shadow:0 26px 60px rgba(10,40,90,.22);background:#0c2246}
.news-stage .nslide{position:absolute;inset:0;opacity:0;transition:opacity .8s;z-index:1}
.news-stage .nslide.on{opacity:1;z-index:2}
.news-stage .nslide img{width:100%;height:100%;object-fit:cover}
.news-stage .nslide .nmask{position:absolute;inset:0;background:linear-gradient(6deg,rgba(7,22,48,.88) 0%,rgba(7,22,48,.25) 45%,transparent 70%)}
.news-stage .nslide .ncap{position:absolute;left:0;right:0;bottom:0;padding:30px 36px;color:#fff}
.news-stage .ncap .ndate{display:inline-block;background:linear-gradient(90deg,var(--orange2),var(--orange));font-size:12.5px;font-weight:700;letter-spacing:1px;padding:5px 14px;border-radius:14px;margin-bottom:14px}
.news-stage .ncap h3{font-size:24px;font-weight:700;line-height:1.5;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.news-stage .ncap p{margin-top:10px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.85);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-arrows{position:absolute;right:22px;bottom:22px;z-index:5;display:flex;gap:10px}
.news-arrows button{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.45);background:rgba(10,30,60,.35);color:#fff;cursor:pointer;transition:.3s;backdrop-filter:blur(3px);font-size:16px}
.news-arrows button:hover{background:var(--orange);border-color:var(--orange)}

/* ============ FAQ 横版紧凑 ============ */
#faq{padding:56px 0 64px;background:#fff}
.faq-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.faq-head .sec-label{letter-spacing:4px}
.faq-head h2{font-size:28px;font-weight:800;color:#14243a;margin-top:8px}
.faq-head p{font-size:13.5px;color:#94a5ba;max-width:420px;line-height:1.8}
/* FAQ 横版（文字横向、紧凑占比） */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-item{background:#f5f8fc;border:1px solid #e3ecf6;border-radius:12px;overflow:hidden;transition:.3s}
.faq-item.open{background:#fff;border-color:#bcd4f0;box-shadow:0 14px 34px rgba(10,50,110,.10)}
.faq-item .fq{display:flex;align-items:center;gap:14px;width:100%;text-align:left;border:0;background:none;cursor:pointer;padding:16px 20px;font-family:inherit}
.faq-item .fnum{flex-shrink:0;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#eaf2fd,#dbe9fa);color:var(--blue);display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-weight:700;font-size:15px;transition:.3s}
.faq-item.open .fnum{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#ffd23f}
.faq-item .fq h4{flex:1;font-size:15.5px;font-weight:600;color:#243b55;line-height:1.65}
.faq-item.open .fq h4{color:var(--blue-deep)}
.faq-item .fchev{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1.5px solid #c3d4e8;color:#7f97b5;display:flex;align-items:center;justify-content:center;font-size:14px;transition:.35s}
.faq-item.open .fchev{background:var(--orange);border-color:var(--orange);color:#fff;transform:rotate(45deg)}
.faq-item .fa{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.4,0,.2,1)}
.faq-item .fa-in{padding:0 20px 18px 68px;font-size:14px;line-height:1.95;color:#5a6b7f}
.faq-item .fa-in::before{content:"A";display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:6px;background:var(--orange2);color:#fff;font-size:12px;font-weight:700;margin-right:8px;transform:translateY(-1px)}

/* ============ 页脚 ============ */
footer{position:relative;background:linear-gradient(180deg,rgba(9,24,50,.94),rgba(8,20,42,.97)),url("assets/img/hero4.jpg") center/cover no-repeat;color:#b9c7dc}
.ft-top{display:grid;grid-template-columns:1.35fr .8fr 1.05fr .8fr;gap:44px;padding:64px 0 40px}
.ft-brand img{height:54px;margin-bottom:20px}
.ft-brand p{font-size:13.5px;line-height:2;color:#8fa3c0;text-align:justify}
.ft-col h4{color:#fff;font-size:16.5px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:12px}
.ft-col h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2.5px;background:var(--orange)}
.ft-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.ft-links a,.ft-contact li{font-size:13.5px;color:#8fa3c0;line-height:1.7;transition:.25s}
.ft-links a:hover{color:var(--orange2);padding-left:4px}
.ft-contact li{display:flex;gap:9px;margin-bottom:11px;align-items:flex-start}
.ft-contact svg{width:15px;height:15px;margin-top:3px;flex-shrink:0;color:var(--orange2)}
.ft-qr{display:flex;gap:16px}
.ft-qr figure{text-align:center}
.ft-qr .qcode{width:92px;height:92px;background:#fff;border-radius:8px;padding:7px;margin-bottom:8px}
.ft-qr figcaption{font-size:12.5px;color:#8fa3c0}
.ft-qr img{width:100%;height:100%;border-radius:4px}
.ft-certs{border-top:1px solid rgba(255,255,255,.1);padding:26px 0;display:flex;justify-content:center;align-items:center;gap:30px;flex-wrap:wrap}
.ft-certs a{display:flex;align-items:center;justify-content:center;height:78px;padding:0 20px;background:#fff;border-radius:10px;transition:.3s;box-shadow:0 8px 22px rgba(0,0,0,.32)}
.ft-certs a:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(243,154,30,.28)}
.ft-certs img{height:58px;width:auto;border-radius:4px}
.ft-certs img.tall{height:64px}
.ft-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7488a6}
.ft-bottom a{color:#7488a6}
.ft-bottom a:hover{color:var(--orange2)}

/* 移动端菜单 */
@media (max-width:960px){
  #header{background:rgba(255,255,255,.97);box-shadow:0 2px 18px rgba(10,40,90,.1)}
  #header .logo b{color:var(--blue)} #header .logo i{color:#8aa2bf}
  .lang-btn{border-color:#c9d6e8;background:#fff;color:var(--text)}
  #menuBtn{display:flex;background:rgba(18,86,184,.08);border-radius:9px}
  #menuBtn span{background:var(--text)}
  #consultTab{width:42px;height:126px;font-size:13px}
  #consultTab .vt{letter-spacing:3px}
  #mainNav{position:fixed;top:var(--head-h);left:0;right:0;background:#fff;flex-direction:column;padding:14px 6%;gap:0;box-shadow:0 20px 40px rgba(10,40,90,.15);display:none;margin:0}
  #mainNav.open{display:flex}
  #mainNav a{color:var(--text)!important;padding:13px 4px;border-bottom:1px solid var(--line)}
  #mainNav a::after{display:none}
  .hero-txt h1{font-size:34px}
  .hero-txt p{font-size:15px}
  .hero-arrows,.hero-corner{display:none}
  .about-grid{grid-template-columns:1fr;gap:44px}
  .about-pic>img{height:330px}
  .exp-badge{left:14px;bottom:-24px;padding:16px 18px}
  .num-row{gap:26px 34px}
  .num-item > span{font-size:12.5px;letter-spacing:1px;margin-top:10px}
  .sec-title{font-size:27px}
  .prod-stage{height:auto;min-height:0;padding-bottom:0}
  .prod-list{position:static;width:100%;background:#0d2a56;flex-direction:row;overflow-x:auto;padding:0}
  .prod-list li{border-left:0;border-top:3px solid transparent;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 16px;min-width:150px}
  .prod-list li.on{border-left:0;border-top-color:var(--orange)}
  .prod-info{position:static;background:#0d2a56;padding:22px;max-width:100%}
  .prod-prog,.prod-count{display:none}
  .prod-shade{display:none}
  .prod-bg{position:relative;opacity:1;transform:none;height:300px}
  .prod-bg img{position:absolute}
  .tech-cap{left:18px;right:18px;bottom:104px;padding:18px 20px}
  .tech-cap h3{font-size:21px}
  .tech-idx{font-size:34px;right:24px}
  .tech-thumbs{display:none}
  .ring-stage{display:none}
  .honor-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .honor-grid img{border-radius:10px;border:4px solid #fff;box-shadow:0 10px 26px rgba(10,40,90,.18);width:100%}
  .ring-ctrl{display:none}
  .mk-panel{position:static;transform:none;width:92%;margin:26px auto 0;padding-top:56px}
  #market{height:auto;min-height:0;padding-bottom:30px}
  #chinaMap{position:relative;height:64vh;margin-top:10px}
  .map-badge{display:none}
  .proc-row{grid-template-columns:repeat(3,1fr);gap:26px 10px}
  .proc-row::before{display:none}
  .news-grid{grid-template-columns:1fr}
  .news-side{order:2;flex-direction:column}
  .news-stage{min-height:320px}
  .faq-grid{grid-template-columns:1fr}
  .faq-item .fa-in{padding-left:20px}
  .faq-col .fnum{left:22px;top:22px;transform:none}
  .faq-col .fmark{left:auto;right:20px;bottom:50%;transform:translateY(-50%)}
  .faq-col.on .fa{padding:24px 22px}
  .ft-top{grid-template-columns:1fr;gap:34px;padding:48px 0 30px}
  .ft-certs{gap:18px}
  .ft-certs img{height:44px}.ft-certs img.tall{height:58px}
}