/* ========== 绵阳威能自动化科技 · 官网样式 (pulitool 亮色风格) ========== */
:root{
  --c-bg:#ffffff;
  --c-bg-soft:#f5f7f9;
  --c-bg-blue:#eaf2fb;
  --c-text:#333333;
  --c-text-soft:#5a6573;
  --c-text-mute:#868585;
  --c-line:#dddddd;
  --c-line-2:#eeeeee;
  --c-blue-line:#cddced;
  --c-primary:#0450A3;       /* pulitool 主蓝 */
  --c-primary-dark:#084D97;
  --c-primary-soft:#eaf2fb;
  --c-red:#db011c;           /* pulitool 强调红 ≈ 威能品牌红 */
  --c-red-dark:#aa0519;
  --c-gold:#C6A86E;
  --shadow-sm:0 1px 3px rgba(4,80,163,.06);
  --shadow:0 8px 24px rgba(4,80,163,.10);
  --shadow-lg:0 18px 50px rgba(4,80,163,.16);
  --r:8px;
  --r-lg:14px;
  --container:1240px;
  --nav-h:80px;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid transparent;z-index:100;transition:.3s}
.nav.scrolled{background:#fff;border-color:var(--c-line);box-shadow:0 2px 12px rgba(4,80,163,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800}
.nav-logo img{height:44px;width:auto}
.nav-logo .brand-text{display:flex;flex-direction:column;line-height:1.1}
.nav-logo .brand-zh{font-size:18px;letter-spacing:1px;color:var(--c-text);font-weight:800}
.nav-logo .brand-en{font-size:11px;color:var(--c-primary);letter-spacing:2px;margin-top:2px;font-weight:700}
.nav-menu{display:flex;gap:32px}
.nav-menu a{font-size:15px;color:var(--c-text);font-weight:500;position:relative;padding:8px 0;transition:.25s}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a::after{content:"";position:absolute;bottom:-2px;left:50%;width:0;height:3px;background:var(--c-primary);transition:.3s;transform:translateX(-50%);border-radius:2px}
.nav-menu a:hover::after,.nav-menu a.active::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;gap:6px;padding:9px 22px;border-radius:30px;background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;transition:.25s}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(4,80,163,.3)}
.nav-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center}
.nav-toggle span{width:22px;height:2px;background:var(--c-text);position:relative;display:block}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--c-text)}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}

/* BTN */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:6px;font-size:15px;font-weight:600;transition:.3s;cursor:pointer}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);box-shadow:0 8px 22px rgba(4,80,163,.32);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff}
.btn-dark{background:var(--c-red);color:#fff}
.btn-dark:hover{background:var(--c-red-dark);box-shadow:0 8px 22px rgba(219,1,28,.3)}

/* SECTION */
section{padding:92px 0;position:relative}
.section-head{text-align:center;margin-bottom:54px}
.section-tag{display:inline-block;padding:5px 16px;border-radius:30px;background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:14px}
.section-title{font-size:36px;font-weight:800;color:var(--c-text);letter-spacing:1px;line-height:1.25}
.section-sub{font-size:15px;color:var(--c-text-mute);margin-top:14px;max-width:680px;margin-left:auto;margin-right:auto}

/* HERO */
.hero{
  min-height:92vh;padding:calc(var(--nav-h) + 36px) 0 72px;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,.95) 0%, rgba(234,242,251,.82) 42%, rgba(4,80,163,.22) 100%),
    url("../img/hero.png");
  background-size:cover;background-position:center right;
  position:relative;
}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;min-height:64vh}
.hero-left{max-width:700px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:30px;background:var(--c-primary);color:#fff;font-size:13px;letter-spacing:1px;margin-bottom:22px;font-weight:600}
.hero h1{font-size:50px;line-height:1.15;font-weight:900;letter-spacing:1px;color:#0a2540;margin-bottom:22px}
.hero h1 .hl{color:var(--c-primary);position:relative}
.hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;background:var(--c-red);border-radius:2px}
.hero-desc{font-size:16.5px;color:#33455c;max-width:560px;margin-bottom:32px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:42px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:600px}
.hero-stat{padding:14px 0;border-left:3px solid var(--c-primary)}
.hero-stat:first-child{border-left:none;padding-left:0}
.hero-stat .num{font-size:34px;font-weight:800;color:var(--c-primary);line-height:1;font-family:"Helvetica Neue",sans-serif}
.hero-stat .num span{color:var(--c-red)}
.hero-stat .lbl{font-size:13px;color:var(--c-text-soft);margin-top:6px;letter-spacing:.5px}

/* BIZ PILLARS (从金属到代码 · 全链路自动化能力) */
.biz-pillars{background:var(--c-bg-soft);padding:68px 0 76px;border-bottom:1px solid var(--c-line-2);position:relative}
.pillars-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pillar-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 24px;transition:.3s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.pillar-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c-primary)}
.pillar-icon{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-gold));display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.pillar-icon svg{width:24px;height:24px;fill:#fff}
.pillar-card h4{font-size:17px;font-weight:700;color:var(--c-text);margin-bottom:8px}
.pillar-card p{font-size:13px;color:var(--c-text-soft);line-height:1.65;margin:0}
@media (max-width:1024px){
  .pillars-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .biz-pillars{padding:48px 0}
  .pillars-grid{grid-template-columns:1fr}
}

/* ABOUT */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.about-text h2{font-size:34px;font-weight:800;color:var(--c-text);margin-bottom:20px;line-height:1.3}
.about-text h2 span{color:var(--c-primary)}
.about-text p{color:var(--c-text-soft);margin-bottom:16px;font-size:15px;line-height:1.9}
.about-text p strong{color:var(--c-text);font-weight:600}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.about-feat{padding:18px;border:1px solid var(--c-line);border-radius:10px;transition:.3s}
.about-feat:hover{border-color:var(--c-primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.about-feat .ico{width:42px;height:42px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.about-feat h4{font-size:15px;font-weight:700;color:var(--c-text);margin-bottom:5px}
.about-feat p{font-size:12.5px;color:var(--c-text-mute);margin:0}
.about-stats{background:linear-gradient(160deg,#f5f8fd,#eaf2fb);border:1px solid var(--c-blue-line);border-radius:var(--r-lg);padding:38px;position:relative;overflow:hidden}
.about-stats::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(4,80,163,.12),transparent 70%);border-radius:50%}
.about-stats h3{font-size:20px;margin-bottom:26px;font-weight:800;color:#0a2540;position:relative}
.about-stats h3 span{color:var(--c-primary)}
.about-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;position:relative}
.about-stat{padding:16px 0;border-bottom:1px solid var(--c-blue-line)}
.about-stat:nth-child(odd){border-right:1px solid var(--c-blue-line);padding-right:18px}
.about-stat:nth-child(even){padding-left:18px}
.about-stat:nth-last-child(-n+2){border-bottom:none}
.about-stat .v{font-size:38px;font-weight:800;color:var(--c-primary);line-height:1;font-family:"Helvetica Neue",sans-serif}
.about-stat .v sup{font-size:18px;color:var(--c-red);margin-left:2px}
.about-stat .k{font-size:13px;color:var(--c-text-soft);margin-top:8px;letter-spacing:.5px}

/* BIZ */
.biz{background:var(--c-bg-soft)}
.biz-tabs{display:flex;justify-content:center;gap:6px;margin-bottom:40px;background:#fff;padding:6px;border-radius:40px;border:1px solid var(--c-line);width:fit-content;margin-left:auto;margin-right:auto}
.biz-tab{padding:10px 26px;border-radius:30px;font-size:14px;font-weight:600;color:var(--c-text-soft);transition:.25s}
.biz-tab.active{background:var(--c-primary);color:#fff;box-shadow:0 4px 12px rgba(4,80,163,.3)}
.biz-tab:hover:not(.active){color:var(--c-primary)}
.biz-panel{display:none}
.biz-panel.active{display:block;animation:fadeUp .5s}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.biz-intro{text-align:center;max-width:760px;margin:0 auto 44px;color:var(--c-text-soft);font-size:15px;line-height:1.9}
.biz-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:44px}
.biz-cat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:26px 20px;transition:.3s;cursor:default}
.biz-cat:hover{border-color:var(--c-primary);transform:translateY(-4px);box-shadow:var(--shadow)}
.biz-cat .ico{width:48px;height:48px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.biz-cat h4{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:8px}
.biz-cat p{font-size:13px;color:var(--c-text-mute);line-height:1.6}
.biz-process{background:#fff;border-radius:var(--r-lg);padding:34px;border:1px solid var(--c-line)}
.biz-process h3{font-size:20px;font-weight:800;margin-bottom:24px;color:var(--c-text)}
.biz-process h3 small{font-size:13px;color:var(--c-text-mute);font-weight:400;margin-left:8px}
.biz-flow{display:flex;flex-wrap:wrap;gap:0;justify-content:space-between}
.biz-flow .step{flex:1 1 0;min-width:120px;text-align:center;padding:14px 6px;position:relative}
.biz-flow .step:not(:last-child)::after{content:"→";position:absolute;right:-12px;top:50%;transform:translateY(-50%);color:var(--c-primary);font-size:18px;font-weight:700}
.biz-flow .step .ic{width:54px;height:54px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-weight:800}
.biz-flow .step h5{font-size:14px;font-weight:700;color:var(--c-text);margin-bottom:4px}
.biz-flow .step span{font-size:12px;color:var(--c-text-mute)}

.sw-group{margin-bottom:32px}
.sw-group-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--c-text);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--c-blue-line)}
.sw-group-title::before{content:"";width:4px;height:18px;background:var(--c-primary);border-radius:2px}
.sw-group-title small{font-size:12px;color:var(--c-text-mute);font-weight:400;margin-left:auto}
.sw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sw-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:24px;transition:.3s;position:relative;overflow:hidden}
.sw-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);transform:scaleY(0);transform-origin:top;transition:.3s}
.sw-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent}
.sw-card:hover::before{transform:scaleY(1)}
.sw-card .tag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:4px;background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;letter-spacing:1px;margin-bottom:12px}
.sw-card h4{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:10px;line-height:1.4}
.sw-card p{font-size:13px;color:var(--c-text-soft);line-height:1.7}
.sw-card .meta{margin-top:14px;padding-top:12px;border-top:1px dashed var(--c-line);display:flex;justify-content:space-between;font-size:11px;color:var(--c-text-mute)}
.sw-card .meta span:nth-child(1){color:var(--c-primary);font-weight:700}

/* SOLU */
.solu{background:#fff}
.solu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.solu-item{position:relative;border-radius:var(--r-lg);overflow:hidden;cursor:pointer;aspect-ratio:4/3;display:flex;align-items:flex-end;padding:26px;color:#fff;transition:.4s}
.solu-item::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,80,163,0) 25%,rgba(4,80,163,.55) 100%)}
.solu-1{background:linear-gradient(135deg,#0450A3,#1e6fc9)}
.solu-2{background:linear-gradient(135deg,#084D97,#0a6fb0)}
.solu-3{background:linear-gradient(135deg,#db011c,#e8531f)}
.solu-4{background:linear-gradient(135deg,#C6A86E,#b08d3e)}
.solu-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.solu-content{position:relative;z-index:1}
.solu-content .ic{font-size:24px;margin-bottom:10px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}
.solu-content h4{font-size:19px;font-weight:800;margin-bottom:8px;letter-spacing:1px}
.solu-content p{font-size:13px;color:rgba(255,255,255,.9);line-height:1.6}
.solu-content .more{margin-top:10px;font-size:12px;font-weight:700;letter-spacing:1px;opacity:.95}

/* CRED */
.cred{background:linear-gradient(180deg,#fff 0%,var(--c-bg-soft) 100%)}
.cred-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px}
.cred-block h3{font-size:24px;font-weight:800;color:var(--c-text);margin-bottom:8px;display:flex;align-items:center;gap:12px}
.cred-block h3 .num-tag{background:var(--c-red);color:#fff;padding:3px 12px;border-radius:20px;font-size:13px;font-weight:700}
.cred-block .sub{color:var(--c-text-mute);font-size:14px;margin-bottom:22px}
.patent-list{display:grid;gap:12px}
.patent{display:flex;align-items:center;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--c-line);border-radius:10px;transition:.3s}
.patent:hover{border-color:var(--c-primary);transform:translateX(4px);box-shadow:var(--shadow-sm)}
.patent .pno{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.patent .ptxt h5{font-size:14.5px;font-weight:700;color:var(--c-text);margin-bottom:2px}
.patent .ptxt span{font-size:12px;color:var(--c-text-mute)}
.patent .ptag{margin-left:auto;font-size:11px;padding:3px 8px;border:1px solid var(--c-line);border-radius:4px;color:var(--c-text-mute);white-space:nowrap}
.cred-side{background:#fff;border-radius:var(--r-lg);padding:34px;border:1px solid var(--c-line);box-shadow:var(--shadow-sm)}
.cred-side h3{font-size:20px;font-weight:800;margin-bottom:8px}
.cred-side .sub{color:var(--c-text-mute);font-size:14px;margin-bottom:22px}
.cred-stat-row{display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--c-line-2)}
.cred-stat-row:last-child{border-bottom:none}
.cred-stat-row .v{width:80px;flex-shrink:0;font-size:34px;font-weight:800;color:var(--c-primary);font-family:"Helvetica Neue",sans-serif;line-height:1}
.cred-stat-row .t h5{font-size:14.5px;font-weight:700;color:var(--c-text);margin-bottom:2px}
.cred-stat-row .t p{font-size:12.5px;color:var(--c-text-mute)}
.cred-side .footer-tag{margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);font-size:12px;color:var(--c-text-mute);text-align:center}

/* NEWS */
.news{background:var(--c-bg-soft)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden;transition:.3s;cursor:pointer}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.news-cover{aspect-ratio:16/9;background:linear-gradient(135deg,#eaf2fb,#f5f7f9);position:relative;display:flex;align-items:center;justify-content:center;color:var(--c-primary);overflow:hidden}
.news-cover::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(4,80,163,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(4,80,163,.05) 1px,transparent 1px);background-size:26px 26px}
.news-cover span{position:relative;font-size:44px;opacity:.85}
.news-cover .date{position:absolute;top:14px;left:14px;background:var(--c-primary);color:#fff;padding:4px 12px;border-radius:4px;font-size:12px;font-weight:700;z-index:1}
.news-body{padding:22px 24px 26px}
.news-cat{font-size:12px;color:var(--c-red);font-weight:700;letter-spacing:1px;margin-bottom:10px}
.news-body h4{font-size:17px;font-weight:700;color:var(--c-text);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13px;color:var(--c-text-mute);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{text-align:center;margin-top:36px}

/* CONTACT */
.contact{background:var(--c-bg-soft)}
.contact .section-tag{background:var(--c-primary-soft);color:var(--c-primary)}
.contact .section-title{color:var(--c-text)}
.contact .section-sub{color:var(--c-text-mute)}
.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:stretch}
.contact-info{background:linear-gradient(150deg,var(--c-primary),var(--c-primary-dark));color:#fff;border-radius:var(--r-lg);padding:40px;position:relative;overflow:hidden}
.contact-info::after{content:"";position:absolute;right:-50px;bottom:-50px;width:220px;height:220px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);border-radius:50%}
.contact-info h3{font-size:28px;font-weight:800;margin-bottom:14px;line-height:1.3;position:relative}
.contact-info h3 span{color:#f6d99a}
.contact-info>p{color:rgba(255,255,255,.85);margin-bottom:28px;line-height:1.85;position:relative}
.contact-list{display:grid;gap:14px;position:relative}
.contact-item{display:flex;align-items:flex-start;gap:14px;padding:14px 16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:10px;transition:.3s}
.contact-item:hover{background:rgba(255,255,255,.18);transform:translateX(4px)}
.contact-item .ic{flex-shrink:0;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center}
.contact-item .ic svg{width:20px;height:20px;fill:#fff}
.contact-item .txt h5{font-size:12px;color:rgba(255,255,255,.7);letter-spacing:1px;margin-bottom:3px;font-weight:500}
.contact-item .txt p{font-size:15px;color:#fff;font-weight:700}
.contact-form{background:#fff;color:var(--c-text);border-radius:var(--r-lg);padding:38px;box-shadow:var(--shadow)}
.contact-form h4{font-size:22px;font-weight:800;color:var(--c-text);margin-bottom:6px}
.contact-form .sub{font-size:13.5px;color:var(--c-text-mute);margin-bottom:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:12px}
.form-field{margin-bottom:12px}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--c-text-soft);margin-bottom:6px}
.form-field input,.form-field textarea,.form-field select{width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:8px;font-size:14px;font-family:inherit;color:var(--c-text);background:#fff;transition:.25s}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(4,80,163,.1)}
.form-field textarea{min-height:100px;resize:vertical}
.form-submit{width:100%;padding:14px;background:var(--c-primary);color:#fff;border-radius:8px;font-size:15px;font-weight:700;letter-spacing:1px;transition:.3s;margin-top:6px}
.form-submit:hover{background:var(--c-primary-dark);box-shadow:0 8px 20px rgba(4,80,163,.3)}

/* FOOTER */
.footer{background:var(--c-primary-dark);color:rgba(255,255,255,.75);padding:56px 0 24px;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:36px}
.footer-brand img{height:48px;margin-bottom:14px;background:#fff;border-radius:8px;padding:6px}
.footer-brand p{line-height:1.85;color:rgba(255,255,255,.7)}
.footer-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:1px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.7);transition:.25s}
.footer-col ul li a:hover{color:#f6d99a;padding-left:4px}
.footer-col p{color:rgba(255,255,255,.7);line-height:1.85;margin-bottom:6px}
.footer-col p strong{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#f6d99a}

.reveal{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.2,.6,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(4,80,163,.4);z-index:50;opacity:0;visibility:hidden;transition:.3s}

/* 首页联系 CTA 卡(替代原表单) */
.contact-cta{display:flex;align-items:center}
.cc-card{background:#fff;border-radius:var(--r-lg);padding:40px;box-shadow:var(--shadow);width:100%;border:1px solid var(--c-line-2)}
.cc-card .cc-ic{width:54px;height:54px;border-radius:14px;background:var(--c-bg-soft);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.cc-card h4{font-size:22px;font-weight:800;color:var(--c-text);margin-bottom:12px}
.cc-card>p{color:var(--c-text-mute);line-height:1.85;margin-bottom:18px}
.cc-list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
.cc-list li{font-size:14.5px;color:var(--c-text);font-weight:600;padding-left:4px}

/* 右侧悬浮联系窗 */
.float-contact{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:row-reverse;align-items:stretch}
.fc-tab{width:50px;align-self:center;border-radius:14px 0 0 14px;background:linear-gradient(180deg,var(--c-primary),var(--c-primary-dark));color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px 0;cursor:pointer;box-shadow:-4px 6px 22px rgba(4,80,163,.3);user-select:none}
.fc-tab .fc-ic{font-size:22px}
.fc-tab .fc-label{writing-mode:vertical-rl;letter-spacing:4px;font-size:14px;font-weight:700}
.fc-panel{width:0;opacity:0;overflow:hidden;background:#fff;border-radius:14px 0 0 14px;box-shadow:-8px 10px 34px rgba(4,80,163,.18);transition:width .3s ease,opacity .25s ease,padding .3s ease;align-self:center}
.float-contact:hover .fc-panel{width:264px;opacity:1;padding:20px}
.fc-head{font-size:17px;font-weight:800;color:var(--c-primary);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--c-line-2)}
.fc-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--c-line-2)}
.fc-k{font-size:13.5px;color:var(--c-text-mute);font-weight:600}
.fc-v{font-size:15px;font-weight:700;color:var(--c-red);letter-spacing:2px}
.fc-qr{margin-top:14px;text-align:center}
.fc-qrimg{width:180px;max-width:100%;margin:0 auto;aspect-ratio:1/1;background:repeating-conic-gradient(#e9eef5 0 25%,#fafbfc 0 50%) 50%/20px 20px;border:1px solid var(--c-line);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--c-text-mute)}
.fc-qrimg span{font-size:15px;font-weight:700;color:var(--c-primary)}
.fc-qrimg small{font-size:11px;margin-top:6px}
.fc-qr .qr-cap{margin-top:10px;font-size:12.5px;color:var(--c-text-mute)}
@media (max-width:640px){
  .float-contact{top:auto;bottom:84px;transform:none}
  .float-contact:hover .fc-panel{width:220px}
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--c-primary-dark);transform:translateY(-3px)}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero h1{font-size:40px}
  .hero-inner{min-height:auto;padding:20px 0}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .biz-cats{grid-template-columns:repeat(2,1fr)}
  .sw-grid{grid-template-columns:repeat(2,1fr)}
  .solu-grid{grid-template-columns:repeat(2,1fr)}
  .cred-grid{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .nav-menu.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;padding:20px 24px;gap:18px;border-top:1px solid var(--c-line);box-shadow:var(--shadow)}
}
@media (max-width:640px){
  section{padding:60px 0}
  .container{padding:0 18px}
  .section-title{font-size:26px}
  .hero{padding-top:calc(var(--nav-h) + 24px);min-height:auto}
  .hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stat{border-left:3px solid var(--c-primary);padding:8px 0}
  .about-text h2{font-size:24px}
  .about-stats-grid{grid-template-columns:1fr}
  .about-stat{border-right:none !important;padding-left:0 !important}
  .biz-cats{grid-template-columns:1fr}
  .biz-flow{flex-direction:column;gap:8px}
  .biz-flow .step:not(:last-child)::after{content:"↓";right:auto;top:auto;left:50%;bottom:-22px;transform:translateX(-50%)}
  .sw-grid{grid-template-columns:1fr}
  .solu-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== 公司实景(首页画廊) ===== */
.scene{background:#fff;padding:80px 0}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g-item{display:block;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--c-bg-soft);border:1px solid var(--c-line);position:relative}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.g-item:hover img{transform:scale(1.06)}
.g-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,77,151,.28));opacity:0;transition:.3s}
.g-item:hover::after{opacity:1}
.scene-more{text-align:center;margin-top:30px}
@media (max-width:1024px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.gallery-grid{grid-template-columns:repeat(2,1fr);gap:10px}}

/* ===== 品牌理念与龙首图腾 ===== */
.philo-box{background:linear-gradient(135deg,#f8fbfe 0%,#ffffff 60%,#f4f8fc 100%);border:1px solid var(--c-blue-line);border-radius:var(--r-lg);padding:36px 32px;box-shadow:var(--shadow-sm);margin-top:30px;position:relative;overflow:hidden}
.philo-box::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--c-red) 0%,var(--c-gold) 35%,var(--c-primary) 100%)}
.philo-totem{display:flex;align-items:center;gap:28px;padding-bottom:28px;border-bottom:1px solid var(--c-line-2);margin-bottom:28px}
.philo-logo-badge{flex-shrink:0;width:108px;height:108px;border-radius:20px;background:#ffffff;border:1px solid var(--c-blue-line);box-shadow:0 8px 24px rgba(4,80,163,.08);display:flex;align-items:center;justify-content:center;padding:12px}
.philo-logo-badge img{max-width:100%;max-height:100%;object-fit:contain}
.philo-totem-text{flex:1}
.philo-tag{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:20px;background:rgba(219,1,28,.08);color:var(--c-red);font-size:12px;font-weight:700;letter-spacing:1px;margin-bottom:8px}
.philo-totem-text h3,.philo-totem-text h4{font-size:24px;font-weight:800;color:var(--c-text);margin-bottom:10px;line-height:1.3}
.philo-totem-text h3 span,.philo-totem-text h4 span{color:var(--c-red)}
.philo-totem-text p{font-size:14.5px;color:var(--c-text-soft);line-height:1.85;margin:0}
.philo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.philo-card{background:#ffffff;border:1px solid var(--c-line);border-radius:var(--r);padding:24px;display:flex;gap:16px;transition:.3s}
.philo-card:hover{transform:translateY(-3px);border-color:var(--c-primary);box-shadow:var(--shadow)}
.philo-card .philo-ic{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center}
.philo-card .philo-ic svg{width:22px;height:22px}
.philo-card .philo-ic.red{background:rgba(219,1,28,.08);color:var(--c-red)}
.philo-card .philo-ic.gold{background:rgba(198,168,110,.15);color:#9e7b32}
.philo-card .philo-body{flex:1;display:flex;flex-direction:column}
.philo-card .philo-k{display:block;font-size:11.5px;font-weight:700;color:var(--c-text-mute);letter-spacing:1.5px;margin-bottom:6px;text-transform:uppercase}
.philo-card h4,.philo-card h5{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:8px;line-height:1.4}
.philo-card p{font-size:13.5px;color:var(--c-text-soft);line-height:1.75;margin:0}
.philo-val-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 10px;margin-top:6px}
.philo-val-item{font-size:13px;color:var(--c-text-soft);background:var(--c-bg-soft);padding:7px 10px;border-radius:6px;border-left:3px solid var(--c-primary);line-height:1.5}
.philo-val-item:nth-child(1){border-left-color:var(--c-red)}
.philo-val-item:nth-child(2){border-left-color:var(--c-primary)}
.philo-val-item:nth-child(3){border-left-color:#9e7b32}
.philo-val-item:nth-child(4){border-left-color:var(--c-primary-dark)}
.philo-val-item b{color:var(--c-text);display:inline-block;margin-right:4px}
@media (max-width:1024px){
  .philo-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .philo-box{padding:24px 18px}
  .philo-totem{flex-direction:column;text-align:center;gap:18px}
  .philo-logo-badge{margin:0 auto}
  .philo-card{padding:18px;flex-direction:column;align-items:flex-start}
  .philo-val-grid{grid-template-columns:1fr}
}