/* ===== 86-金属质感建材 - style.css ===== */
:root{
  --silver:#c0c6cc;
  --black:#17181a;
  --steel:#3a5a78;
  --steel-light:#5f87ab;
  --dark-grad:linear-gradient(180deg,#23262b 0%,#17181a 100%);
  --steel-grad:linear-gradient(135deg,#3a5a78 0%,#5f87ab 50%,#3a5a78 100%);
  --font: "Microsoft YaHei","PingFang SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--silver);
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.012) 0 1px,transparent 1px 6px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.008) 0 1px,transparent 1px 8px),
    linear-gradient(180deg,#202327 0%,#17181a 100%);
  background-attachment:fixed;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:min(1180px,92%);margin:0 auto}

/* ===== 拉丝金属页面背景 ===== */
.brushed{
  position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:repeating-linear-gradient(90deg,
    rgba(255,255,255,.02) 0 2px,
    rgba(0,0,0,.05) 2px 4px,
    rgba(255,255,255,.015) 4px 7px);
  mix-blend-mode:overlay;
}

/* ===== 顶部导航 ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:linear-gradient(180deg,rgba(23,24,26,.96),rgba(23,24,26,.85));
  border-bottom:1px solid rgba(192,198,204,.18);
  backdrop-filter:blur(8px);
  transition:all .35s ease;
}
.header.scrolled{box-shadow:0 6px 30px rgba(0,0,0,.5);border-bottom-color:rgba(95,135,171,.4)}
.header-inner{max-width:1320px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:14px}
.logo-plate{
  width:44px;height:44px;position:relative;
  background:var(--dark-grad);
  border:1px solid rgba(192,198,204,.35);
  transform:rotate(45deg);
  display:flex;align-items:center;justify-content:center;
}
.logo-plate::before{content:"";position:absolute;inset:5px;border:1px solid rgba(95,135,171,.6);box-shadow:inset 0 0 12px rgba(95,135,171,.3)}
.logo-plate i{transform:rotate(-45deg);color:var(--steel-light);font-style:normal;font-weight:700}
.logo-text .logo-main{display:block;font-size:19px;font-weight:700;color:#e6eaee;letter-spacing:2px}
.logo-text .logo-sub{display:block;font-size:10px;color:var(--steel-light);letter-spacing:4px;text-transform:uppercase}
.nav{display:flex;gap:8px}
.nav a{
  padding:8px 18px;font-size:15px;color:var(--silver);
  border:1px solid transparent;position:relative;letter-spacing:1px;
  transition:all .3s ease;
}
.nav a::after{content:"";position:absolute;left:18px;right:18px;bottom:2px;height:1px;background:var(--steel-light);transform:scaleX(0);transition:transform .3s}
.nav a:hover,.nav a.active{color:#fff;text-shadow:0 0 8px rgba(95,135,171,.8)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{width:26px;height:2px;background:var(--silver);transition:all .3s}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;text-align:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 50% 120%,rgba(58,90,120,.35),transparent 60%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 2px,rgba(0,0,0,.04) 2px 4px),
    linear-gradient(180deg,#202327,#17181a 80%);
  padding:120px 20px 80px;
}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(192,198,204,.5),transparent);
}
.hero-panels{position:absolute;inset:0;overflow:hidden}
.hero-panels span{position:absolute;width:2px;height:180px;background:linear-gradient(180deg,transparent,rgba(95,135,171,.5),transparent);animation:beam 7s linear infinite}
.hero-panels span:nth-child(1){left:12%;animation-delay:0s}
.hero-panels span:nth-child(2){left:38%;animation-delay:2.4s}
.hero-panels span:nth-child(3){left:62%;animation-delay:4.1s}
.hero-panels span:nth-child(4){left:84%;animation-delay:1.2s}
@keyframes beam{0%{top:-20%}100%{top:110%}}
.hero-badge{
  display:inline-block;padding:7px 22px;font-size:13px;letter-spacing:4px;
  color:var(--steel-light);border:1px solid rgba(95,135,171,.5);
  box-shadow:inset 0 0 18px rgba(95,135,171,.15);
  margin-bottom:26px;
}
.hero h1{
  font-size:clamp(44px,8vw,88px);font-weight:900;line-height:1.12;letter-spacing:6px;
  background:linear-gradient(180deg,#fff 0%,var(--silver) 38%,#7d858e 55%,#eceff3 68%,var(--silver) 82%,#9aa2aa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 18px rgba(95,135,171,.25));
}
.hero h1 span{background:linear-gradient(90deg,#5f87ab,#9db8d4 50%,#5f87ab);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:640px;margin:24px auto 40px;font-size:17px;color:#aeb4bb;letter-spacing:2px}
.hero-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:14px 38px;font-size:15px;letter-spacing:3px;
  border:1px solid var(--silver);color:var(--silver);
  position:relative;overflow:hidden;transition:all .35s ease;
}
.btn::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.25) 45%,transparent 70%);transform:translateX(-100%);transition:transform .5s}
.btn:hover::before{transform:translateX(100%)}
.btn-metal{background:var(--steel-grad);border-color:transparent;color:#fff;box-shadow:0 8px 28px rgba(58,90,120,.4)}
.btn-metal:hover{box-shadow:0 12px 40px rgba(95,135,171,.6)}
.btn-outline:hover{background:rgba(192,198,204,.12);border-color:var(--steel-light);color:#fff}
.hero-scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);text-align:center;font-size:12px;letter-spacing:3px;color:#7d858e}
.hero-scroll .arrow{display:block;font-size:22px;animation:bounce 1.6s infinite;color:var(--steel-light)}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ===== 铆钉分隔线 ===== */
.rivet-divider{
  position:relative;height:60px;display:flex;align-items:center;justify-content:center;
}
.rivet-divider .line{width:min(720px,80%);height:1px;background:linear-gradient(90deg,transparent,rgba(95,135,171,.55),transparent)}
.rivet-divider .rivet{width:12px;height:12px;border-radius:50%;position:absolute;top:24px;background:radial-gradient(circle at 35% 30%,#f2f4f6 0%,var(--silver) 30%,#8b939b 55%,#3d4146 100%);box-shadow:0 2px 4px rgba(0,0,0,.6),inset 0 1px 2px rgba(255,255,255,.5)}
.rivet-divider .rivet::after{content:"";position:absolute;inset:3px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.25)}
.rivet-divider .rivet.r1{left:calc(50% - 340px)}
.rivet-divider .rivet.r2{left:calc(50% - 180px)}
.rivet-divider .rivet.r3{left:calc(50% - 20px)}
.rivet-divider .rivet.r4{left:calc(50% + 140px)}
.rivet-divider .rivet.r5{left:calc(50% + 300px)}

/* ===== Section ===== */
.section{padding:90px 0}
.section-title{
  font-size:clamp(28px,4vw,40px);font-weight:800;text-align:center;letter-spacing:5px;color:#e6eaee;
}
.section-title em{font-style:normal;color:var(--steel-light)}
.section-subtitle{text-align:center;color:#8d949b;letter-spacing:3px;font-size:14px;margin-top:10px}
.section-subtitle::before,.section-subtitle::after{content:"—";color:var(--steel);margin:0 12px}

/* ===== 金属工艺 ===== */
.craft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.craft-card{
  position:relative;padding:44px 30px 34px;text-align:center;
  background:linear-gradient(180deg,#24272b,#1a1c1f);
  border:1px solid rgba(192,198,204,.16);
  clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,26px 100%,0 calc(100% - 26px));
  transition:transform .35s ease,border-color .35s;
}
.craft-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#5f87ab,transparent)}
.craft-card:hover{transform:translateY(-8px);border-color:rgba(95,135,171,.5)}
.craft-card:hover .craft-icon{box-shadow:0 0 24px rgba(95,135,171,.5)}
.craft-icon{
  width:76px;height:76px;margin:0 auto 22px;position:relative;
  border:1px solid rgba(95,135,171,.6);
  transform:rotate(45deg);
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 20px rgba(95,135,171,.15);
  transition:box-shadow .35s;
}
.craft-icon i{transform:rotate(-45deg);font-size:26px;font-style:normal;color:var(--steel-light)}
.craft-icon i.num{font-family:Georgia,serif;font-size:22px}
.craft-card h3{font-size:19px;letter-spacing:3px;margin-bottom:14px;color:#e6eaee}
.craft-card p{font-size:14px;color:#9aa2aa;letter-spacing:1px}

/* ===== 产品系列 - 金属斜面边框 ===== */
.bevel{
  position:relative;
  background:linear-gradient(180deg,#26292d,#1a1c1f);
  border:1px solid rgba(192,198,204,.18);
  padding:1px;
}
.bevel::before,.bevel::after{content:"";position:absolute;width:46%;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.55),transparent);pointer-events:none}
.bevel::before{top:0;left:0}
.bevel::after{bottom:0;right:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28))}
.bevel .bevel-top{position:absolute;top:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent)}
.bevel .bevel-bottom{position:absolute;bottom:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,rgba(95,135,171,.5),transparent)}
.bevel-chamfer{position:absolute;top:-1px;right:-1px;width:22px;height:22px;border-left:1px solid rgba(255,255,255,.35);border-bottom:1px solid rgba(255,255,255,.35);transform:rotate(0deg);background:linear-gradient(225deg,rgba(255,255,255,.5),transparent);clip-path:polygon(0 0,100% 100%,0 100%)}
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:52px}
.product-card{transition:transform .35s ease,box-shadow .35s}
.product-card:hover{transform:translateY(-8px);box-shadow:0 18px 44px rgba(0,0,0,.55),0 0 30px rgba(58,90,120,.18)}
.product-media{
  position:relative;height:210px;overflow:hidden;
  background:linear-gradient(145deg,#34383d,#222528);
}
.product-media .plate{
  position:absolute;width:120px;height:120px;left:50%;top:50%;
  transform:translate(-50%,-50%) rotate(45deg);
  background:linear-gradient(135deg,#3a5a78,#5f87ab 55%,#2f4a64);
  box-shadow:0 0 40px rgba(95,135,171,.45),inset 0 0 24px rgba(0,0,0,.3);
  display:flex;align-items:center;justify-content:center;
}
.product-media .plate i{transform:rotate(-45deg);font-size:30px;font-style:normal;color:#dce6ee}
.product-media .plate::after{content:"";position:absolute;inset:10px;border:1px solid rgba(255,255,255,.35)}
.product-media .shine{position:absolute;top:0;bottom:0;width:60%;left:-70%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);animation:shine 3.4s infinite}
@keyframes shine{0%{left:-70%}60%,100%{left:130%}}
.product-info{padding:22px 20px 24px}
.product-info h3{font-size:17px;letter-spacing:2px;color:#e6eaee;margin-bottom:8px}
.product-info .p-en{font-size:11px;color:var(--steel-light);letter-spacing:3px;text-transform:uppercase;margin-bottom:10px;display:block}
.product-info p{font-size:13px;color:#9aa2aa;line-height:1.8}
.product-tags{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.product-tags span{
  font-size:11px;padding:3px 12px;letter-spacing:1px;
  color:var(--steel-light);border:1px solid rgba(95,135,171,.4);
}

/* ===== 案例 ===== */
.cases{background:linear-gradient(180deg,#17181a,#202327)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.case-card{overflow:hidden;position:relative;border:1px solid rgba(192,198,204,.15)}
.case-card .frame{position:absolute;inset:0;border:1px solid rgba(95,135,171,.4);margin:12px;pointer-events:none;z-index:2}
.case-img{height:260px;background-size:cover;background-position:center;filter:grayscale(.5) brightness(.8);transition:filter .5s,transform .6s}
.case-card:hover .case-img{filter:grayscale(0) brightness(1);transform:scale(1.06)}
.case-body{padding:22px 20px;position:relative}
.case-body h3{font-size:17px;letter-spacing:2px;color:#e6eaee;margin-bottom:8px}
.case-body p{font-size:13px;color:#9aa2aa}
.case-body .tag{position:absolute;top:-14px;right:16px;background:var(--steel-grad);color:#fff;font-size:11px;padding:4px 14px;letter-spacing:2px}

/* ===== 数据 ===== */
.stats{background:linear-gradient(180deg,#202327,#17181a)}
.stats-inner{
  border:1px solid rgba(95,135,171,.35);
  background:linear-gradient(90deg,rgba(58,90,120,.15),rgba(23,24,26,.6),rgba(58,90,120,.15));
  padding:48px 30px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-item{position:relative}
.stat-item::after{content:"";position:absolute;right:0;top:15%;bottom:15%;width:1px;background:linear-gradient(180deg,transparent,rgba(95,135,171,.4),transparent)}
.stat-item:last-child::after{display:none}
.stat-number{font-size:46px;font-weight:900;font-family:Georgia,serif;color:#fff;text-shadow:0 0 18px rgba(95,135,171,.6)}
.stat-label{margin-top:8px;font-size:14px;letter-spacing:3px;color:#8d949b}

/* ===== 联系横幅 ===== */
.cta{
  position:relative;text-align:center;padding:90px 20px;overflow:hidden;
  background:
    radial-gradient(ellipse at center,rgba(58,90,120,.4),transparent 65%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.015) 0 2px,transparent 2px 6px),
    #17181a;
}
.cta h2{font-size:clamp(26px,4vw,38px);color:#e6eaee;letter-spacing:4px;margin-bottom:16px}
.cta p{color:#9aa2aa;letter-spacing:2px;margin-bottom:34px}
.cta .hex-bg{position:absolute;inset:0;pointer-events:none;opacity:.5}
.cta .hex-bg span{position:absolute;width:60px;height:60px;border:1px solid rgba(95,135,171,.2);transform:rotate(45deg)}
.cta .hex-bg span:nth-child(1){left:8%;top:20%}
.cta .hex-bg span:nth-child(2){right:12%;top:30%}
.cta .hex-bg span:nth-child(3){left:18%;bottom:16%}
.cta .hex-bg span:nth-child(4){right:20%;bottom:22%}

/* ===== 页脚 ===== */
.footer{background:#121315;border-top:1px solid rgba(95,135,171,.25);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:46px}
.footer h4{color:#e6eaee;font-size:16px;letter-spacing:3px;margin-bottom:18px}
.footer-about p{font-size:13px;color:#8d949b;margin-top:16px;line-height:1.9}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:#8d949b;transition:color .3s,padding-left .3s}
.footer-links a:hover{color:var(--steel-light);padding-left:6px}
.footer-contact li{font-size:13px;color:#8d949b;margin-bottom:10px;letter-spacing:1px}
.footer-bottom{border-top:1px solid rgba(192,198,204,.12);padding:22px 0;text-align:center}
.footer-bottom p{font-size:12px;color:#6b727a;letter-spacing:1px}

/* ===== 页面头 (内页) ===== */
.page-hero{
  padding:150px 20px 90px;text-align:center;position:relative;overflow:hidden;
  background:
    radial-gradient(ellipse at 50% -30%,rgba(95,135,171,.35),transparent 60%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 2px,transparent 2px 5px),
    linear-gradient(180deg,#202327,#17181a);
}
.page-hero h1{font-size:clamp(30px,5vw,48px);letter-spacing:8px;color:#fff;font-weight:900;background:linear-gradient(180deg,#fff,var(--silver) 60%,#8d949b);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p{color:#8d949b;letter-spacing:3px;margin-top:14px;font-size:14px}
.breadcrumb{margin-top:16px;font-size:12px;color:#6b727a;letter-spacing:2px}
.breadcrumb a{color:var(--steel-light)}

/* ===== 关于页 ===== */
.about-intro .split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-intro .img-wrap{position:relative}
.about-intro .img-frame{
  height:400px;border:1px solid rgba(95,135,171,.4);padding:14px;position:relative;
}
.about-intro .img-frame .inner{height:100%;background:url('../images/hero.jpg') center/cover no-repeat;box-shadow:inset 0 0 60px rgba(23,24,26,.6)}
.about-intro .img-frame::before{content:"";position:absolute;inset:-1px;border:1px solid rgba(95,135,171,.2);margin:8px;pointer-events:none}
.about-intro h2{font-size:30px;letter-spacing:4px;color:#e6eaee;margin-bottom:22px}
.about-intro h2 em{font-style:normal;color:var(--steel-light)}
.about-intro p{color:#9aa2aa;font-size:14px;margin-bottom:16px;line-height:2}
.about-intro .bolt{margin:26px 0}
.bolt{width:max-content;padding:14px 30px;border:1px solid rgba(95,135,171,.5);color:var(--steel-light);font-size:14px;letter-spacing:3px;position:relative}
.bolt::before{content:"";position:absolute;inset:5px;border:1px solid rgba(95,135,171,.25)}

/* ===== 工艺线 ===== */
.line-tech{background:#202327;padding:80px 0;position:relative;overflow:hidden}
.line-tech .stage{max-width:1000px;margin:0 auto}
.line-stage{position:relative;display:flex;align-items:center;justify-content:space-between;margin:50px 0}
.line-stage::before{content:"";position:absolute;left:6%;right:6%;top:50%;height:1px;background:linear-gradient(90deg,transparent,rgba(95,135,171,.5),transparent)}
.line-node{text-align:center;width:120px;position:relative;z-index:1}
.line-node .disc{width:58px;height:58px;margin:0 auto 14px;border-radius:50%;border:1px solid rgba(95,135,171,.55);background:linear-gradient(145deg,#2b2f34,#1a1c1f);display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(95,135,171,.2);position:relative}
.line-node .disc::after{content:"";position:absolute;inset:9px;border-radius:50%;border:1px dashed rgba(95,135,171,.4)}
.line-node .disc i{font-style:normal;color:var(--steel-light);font-size:16px}
.line-node h4{font-size:14px;color:#e6eaee;letter-spacing:2px;margin-bottom:6px}
.line-node p{font-size:12px;color:#8d949b}

/* ===== 产品页 ===== */
.filter-bar{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:40px}
.filter-btn{
  padding:9px 26px;font-size:13px;letter-spacing:2px;color:var(--silver);
  border:1px solid rgba(192,198,204,.3);background:transparent;cursor:pointer;
  transition:all .3s;font-family:var(--font);
}
.filter-btn:hover,.filter-btn.active{background:var(--steel-grad);border-color:transparent;color:#fff;box-shadow:0 6px 20px rgba(58,90,120,.4)}
.product-page-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:44px}

/* ===== 新闻页 ===== */
.news-feature{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;margin-top:44px}
.news-feature .img{height:340px;border:1px solid rgba(95,135,171,.35);padding:10px}
.news-feature .img .inner{height:100%;background:url('../images/news1.jpg') center/cover no-repeat}
.news-feature .feat-body h2{font-size:26px;letter-spacing:3px;color:#e6eaee;margin-bottom:16px;line-height:1.5}
.news-feature .feat-body p{color:#9aa2aa;font-size:14px;line-height:2;margin-bottom:20px}
.news-feature .date{color:var(--steel-light);font-size:13px;letter-spacing:2px}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:40px}
.news-row{
  display:flex;gap:18px;padding:20px;border:1px solid rgba(192,198,204,.15);
  background:linear-gradient(180deg,#23262b,#1a1c1f);transition:border-color .3s;
}
.news-row:hover{border-color:rgba(95,135,171,.5)}
.news-row .n-img{width:160px;height:110px;flex:none;background-size:cover;background-position:center;position:relative}
.news-row .n-img::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.18);margin:5px}
.news-row h3{font-size:16px;color:#e6eaee;letter-spacing:1px;margin-bottom:8px;line-height:1.6}
.news-row p{font-size:12px;color:#9aa2aa;line-height:1.8}
.news-row .date{color:var(--steel-light);font-size:12px;margin-bottom:6px;letter-spacing:1px}

/* ===== 联系页 ===== */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:46px;margin-top:50px}
.info-list .info-item{display:flex;gap:18px;padding:20px;border:1px solid rgba(192,198,204,.15);margin-bottom:16px;background:linear-gradient(180deg,#23262b,#1a1c1f);transition:border-color .3s}
.info-item:hover{border-color:rgba(95,135,171,.5)}
.info-item .ico{width:52px;height:52px;flex:none;border:1px solid rgba(95,135,171,.5);transform:rotate(45deg);display:flex;align-items:center;justify-content:center}
.info-item .ico i{transform:rotate(-45deg);font-style:normal;color:var(--steel-light);font-size:20px}
.info-item h4{color:#e6eaee;font-size:15px;letter-spacing:2px;margin-bottom:6px}
.info-item p{color:#9aa2aa;font-size:13px}
.form-main{padding:36px 34px;background:linear-gradient(180deg,#23262b,#1a1c1f);border:1px solid rgba(192,198,204,.15);position:relative}
.form-main::before{content:"";position:absolute;top:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,rgba(95,135,171,.6),transparent)}
.form-main h3{color:#e6eaee;font-size:20px;letter-spacing:3px;margin-bottom:26px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;color:#9aa2aa;letter-spacing:2px;margin-bottom:8px}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:13px 16px;background:#141518;border:1px solid rgba(192,198,204,.25);
  color:var(--silver);font-family:var(--font);font-size:14px;transition:border-color .3s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--steel-light);box-shadow:0 0 14px rgba(95,135,171,.25)}
.form-group textarea{height:130px;resize:vertical}
.btn-submit{width:100%;padding:16px;font-size:15px;letter-spacing:4px;background:var(--steel-grad);border:none;color:#fff;cursor:pointer;font-family:var(--font);transition:box-shadow .3s}
.btn-submit:hover{box-shadow:0 10px 30px rgba(58,90,120,.5)}
.map-box{margin-top:50px;height:340px;border:1px solid rgba(95,135,171,.35);background:linear-gradient(135deg,#202327,#17181a);position:relative;overflow:hidden}
.map-box .map-lines{position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 39px,rgba(95,135,171,.12) 39px 40px),repeating-linear-gradient(90deg,transparent 0 39px,rgba(95,135,171,.12) 39px 40px)}
.map-box .pin{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:26px;height:26px;border:2px solid var(--steel-light);border-radius:50% 50% 50% 0;transform:translate(-50%,-100%) rotate(-45deg);background:rgba(95,135,171,.3)}
.map-box .pin::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--steel-light)}
.map-box .map-label{position:absolute;left:50%;top:calc(50% + 20px);transform:translateX(-50%);background:rgba(23,24,26,.9);padding:8px 18px;border:1px solid rgba(95,135,171,.4);font-size:13px;letter-spacing:2px;color:var(--silver)}

/* ===== 动画 ===== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.12s}
.delay-2{transition-delay:.24s}
.delay-3{transition-delay:.36s}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .products-grid,.product-page-grid{grid-template-columns:repeat(2,1fr)}
  .craft-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-intro .split{grid-template-columns:1fr;gap:30px}
  .contact-grid{grid-template-columns:1fr}
  .news-feature{grid-template-columns:1fr}
  .line-stage{flex-direction:column;gap:34px}
  .line-stage::before{width:1px;left:50%;right:auto;top:4%;bottom:4%}
}
@media(max-width:768px){
  .nav{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;
    background:rgba(23,24,26,.97);padding:18px 24px;gap:6px;
    transform:translateY(-120%);transition:transform .4s ease;border-bottom:1px solid rgba(95,135,171,.3);
  }
  .nav.active{transform:translateY(0)}
  .nav a{padding:12px 16px;border-bottom:1px solid rgba(192,198,204,.08)}
  .hamburger{display:flex}
  .products-grid,.product-page-grid,.craft-grid,.cases-grid,.news-list,.stats-grid{grid-template-columns:1fr}
  .stats-grid .stat-item::after{display:none}
  .rivet-divider .rivet.r1,.rivet-divider .rivet.r2,.rivet-divider .rivet.r4,.rivet-divider .rivet.r5{display:none}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding-top:110px}
  .news-row{flex-direction:column}
  .news-row .n-img{width:100%;height:160px}
}

/* ===== CMS 适配 ===== */
.cms-section{padding:90px 0}
.cms-detail{max-width:900px;margin:0 auto}
.cms-detail>img{margin:0 auto 12px;max-width:100%;border:1px solid rgba(95,135,171,.35)}
.cms-detail h1{font-size:2rem;margin:18px 0;color:#e6eaee}
.cms-detail .lead{color:#9aa2aa;margin-bottom:20px;font-size:1.05rem}
.cms-detail .news-date-label{display:inline-block;background:#3a5a78;color:#cfe0f0;font-size:.82rem;font-weight:800;padding:4px 14px;letter-spacing:1px}
.cms-content h2{font-size:1.5rem;margin:24px 0 12px;color:#e6eaee}
.cms-content h3{font-size:1.25rem;margin:20px 0 10px;color:#e6eaee}
.cms-content p,.cms-content ul,.cms-content li{color:#9aa2aa;margin-bottom:15px;line-height:1.9}
.cms-content ul{padding-left:18px;list-style:disc}
.cms-content img{max-width:100%}
.cms-back{display:inline-block;color:#5f87ab;font-size:.9rem;font-weight:700;margin-bottom:20px}
.cms-back:hover{text-decoration:underline;color:#9db8d4}
.spec-list{list-style:none;padding:0;margin:0}
.spec-list li{color:#9aa2aa;padding:10px 0;border-bottom:1px dashed rgba(95,135,171,.4);font-size:.9rem}
.spec-list li b{color:#5f87ab}
.cms-pager{padding:30px 0;text-align:center}
.cms-pager .pagination{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;list-style:none;padding:0;margin:0}
.cms-pager .page-link{padding:10px 16px;border:1px solid rgba(95,135,171,.4);background:#1a1c1f;color:#5f87ab;font-size:14px;transition:.3s;display:inline-block}
.cms-pager .page-link:hover{border-color:#5f87ab;color:#9db8d4}
.cms-pager .page-item.active .page-link{background:#3a5a78;border-color:#3a5a78;color:#fff}
.cms-pager .page-item.disabled .page-link{opacity:.5;pointer-events:none}

/* 搜索结果卡片 */
.cms-grid{display:grid;gap:16px;margin:30px 0}
.cms-card{display:block;padding:22px 26px;background:linear-gradient(180deg,#23262b,#1a1c1f);border:1px solid rgba(192,198,204,.15);transition:border-color .3s,transform .3s}
.cms-card:hover{border-color:rgba(95,135,171,.55);transform:translateY(-3px)}
.cms-card h3{color:#e6eaee;font-size:1.05rem;margin-bottom:8px}
.cms-card p{color:#9aa2aa;font-size:.88rem}

/* 产品图片尺寸约束（避免大图撑破卡片） */
.product-media img{width:100%;height:210px;object-fit:cover}
.products-grid .product-media img,.product-page-grid .product-media img{width:100%;height:100%;object-fit:cover}

/* 表单提示 */
.form-alert{padding:14px 18px;margin-bottom:18px;font-size:.9rem}
.form-alert-err{background:rgba(231,76,60,.12);border:1px solid rgba(231,76,60,.5);color:#ff8a80}
.form-success{background:rgba(46,204,113,.12);border:1px solid rgba(46,204,113,.5);color:#7befb2;display:none}
.form-success.show{display:block}
.form-alert-err li{color:#ff8a80}

/* 滚动动画（fade-in） */
.fade-in{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* 产品页筛选标签别名（与 filter-bar 对齐） */
.cat-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:40px}
.cat-tab{padding:9px 26px;font-size:13px;letter-spacing:2px;color:var(--silver);border:1px solid rgba(192,198,204,.3);background:transparent;cursor:pointer;transition:all .3s;font-family:var(--font)}
.cat-tab:hover,.cat-tab.active{background:var(--steel-grad);border-color:transparent;color:#fff;box-shadow:0 6px 20px rgba(58,90,120,.4)}

/* 荣誉资质 */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:52px}
.honor-card{position:relative;padding:26px;background:linear-gradient(180deg,#24272b,#1a1c1f);border:1px solid rgba(192,198,204,.16);text-align:center;transition:transform .35s ease,border-color .35s}
.honor-card:hover{transform:translateY(-8px);border-color:rgba(95,135,171,.5)}
.honor-card img{width:100%;height:150px;object-fit:cover;margin-bottom:14px;border:1px solid rgba(95,135,171,.3)}
.honor-card .h-date{display:inline-block;padding:3px 12px;font-size:11px;letter-spacing:2px;color:#5f87ab;border:1px solid rgba(95,135,171,.4);margin-bottom:10px}
.honor-card h3{font-size:16px;letter-spacing:1px;color:#e6eaee;margin-bottom:8px}
.honor-card p{font-size:13px;color:#9aa2aa;line-height:1.8}

/* 发展历程 */
.road-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:52px}
.road{position:relative;padding:24px 22px;background:linear-gradient(180deg,#24272b,#1a1c1f);border:1px solid rgba(192,198,204,.16);border-top:2px solid rgba(95,135,171,.6)}
.road b{display:inline-block;background:#3a5a78;color:#fff;font-size:.8rem;padding:4px 12px;letter-spacing:1px;margin-bottom:10px}
.road h4{font-size:1rem;color:#e6eaee;margin-bottom:6px;letter-spacing:1px}
.road p{font-size:.84rem;color:#9aa2aa;line-height:1.7}

/* 返回顶部 */
.back-top{position:fixed;right:26px;bottom:30px;width:46px;height:46px;border:1px solid rgba(95,135,171,.5);background:rgba(23,24,26,.9);color:#5f87ab;font-size:20px;cursor:pointer;z-index:99;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:#3a5a78;color:#fff}

/* 产品价格 */
.p-price{font-size:15px;color:#5f87ab;font-weight:700;letter-spacing:1px;margin-bottom:8px}

/* 响应式补充 */
@media(max-width:1024px){
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .road-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .honor-grid,.road-grid{grid-template-columns:1fr}
}

/* ===== CMS global link-color reset (fixes default blue/underline) ===== */
a:has(h1), a:has(h2), a:has(h3), a:has(h4), a:has(img),
a.logo, a.logo *, .logo, .logo *,
a.news-thumb, a.news-thumb *, a.prod-thumb, a.prod-thumb *,
a.img-wrap, a.img-wrap *, a.thumb, a.thumb *, a.cover, a.cover *,
a[style*='background-image'], a[style*='background'],
a.card, a.card *, a.work-card, a.work-card *, a.product-card, a.product-card *,
a.news-card, a.news-card *, a.news-item, a.news-item *, a.case-card, a.case-card *,
a.service-card, a.service-card *, a.svc-card, a.svc-card *, a.item-card, a.item-card * {
  color: inherit !important;
  text-decoration: none !important;
}
a:has(h1):hover, a:has(h2):hover, a:has(h3):hover, a:has(h4):hover,
a.logo:hover, .logo:hover, a.card:hover, a.card *:hover,
a.news-thumb:hover, a.prod-thumb:hover, a.work-card:hover, a.product-card:hover,
a.news-card:hover, a.news-item:hover, a.case-card:hover, a.service-card:hover { color: inherit !important; }
a.prod-img-link, a.prod-img-link *,
a.img-link, a.img-link *, a.thumb-link, a.thumb-link *,
a.cover-link, a.cover-link *, a.media-link, a.media-link *,
a[class*='-thumb'], a[class*='-img'], a[class*='-cover'],
a[class*='thumb-'], a[class*='img-'],
a.img-side, a.img-side *, a.pic, a.pic *, a.pic-link, a.pic-link * {
  color: inherit !important;
  text-decoration: none !important;
}
/* ===== CMS heading-link reset (anchor inside heading) ===== */
h1 a, h2 a, h3 a, h4 a, h5 a {
  color: inherit !important;
  text-decoration: none !important;
}
h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover { color: inherit !important; }