/*
Theme Name: Wolson Dark
Description: Wolson Metal — dark industrial redesign (charcoal #1A1A1A + signal green #9EFF00), rebuilt from the design mockup. Fallback theme: wolson.
*/

:root{
  --bg:#1A1A1A; --card:#242424; --footer:#141414;
  --line:#262626; --line2:#3D3D3D;
  --accent:#9EFF00;
  --t1:#FFFFFF; --t2:#B3B3B3; --t3:#9A9A9A; --t4:#8A8A8A; --t5:#6B6B6B; --ph:#5A5A5A;
  --rc:12px; --rb:8px; --rt:4px;
  --pad:80px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg); color:var(--t1); line-height:1.6;
  -webkit-font-smoothing:antialiased; font-size:15px;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
[id]{scroll-margin-top:96px}

.container{max-width:1440px;margin:0 auto;padding:0 var(--pad)}

/* ---------- 通用元件 ---------- */
.kicker{color:var(--accent);font-size:13px;font-weight:600;letter-spacing:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--rb);font-size:16px;font-weight:700;
  transition:transform .18s ease, background .18s ease, border-color .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#000}
.btn-primary:hover{background:#B4FF3D}
.btn-ghost{background:var(--card);color:#fff;border:1px solid var(--line2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.arr{flex:none}

.sec-head .kicker{letter-spacing:4px;font-size:12px}
.sec-head h2{font-size:32px;font-weight:700;letter-spacing:-.3px;margin-top:10px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(26,26,26,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{height:40px;width:auto}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.5px;line-height:1.05}
.brand-text small{display:block;font-size:9px;letter-spacing:3px;color:var(--t3);font-weight:600}

.menu{display:flex;align-items:center;gap:32px}
.menu-item{position:relative;height:72px;display:flex;align-items:center}
.menu-item > a{font-size:14px;font-weight:500;color:var(--t3);transition:color .15s}
.menu-item > a:hover{color:#fff}
.menu-item.is-current > a{color:#fff;font-weight:600}
.menu-item > a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transition:transform .2s}
.menu-item.is-current > a::after{transform:scaleX(1)}

.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%);
  min-width:236px;background:var(--card);border:1px solid var(--line2);border-radius:var(--rc);
  padding:8px;display:none;flex-direction:column;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.menu-item:hover .dropdown,.menu-item:focus-within .dropdown{display:flex}
.dropdown a{font-size:13px;color:var(--t3);padding:10px 14px;border-radius:8px;white-space:nowrap}
.dropdown a:hover{background:#1A1A1A;color:var(--accent)}

.btn-quote{background:var(--accent);color:#000;font-weight:700;font-size:14px;
  padding:10px 20px;border-radius:var(--rb);flex:none;transition:background .18s}
.btn-quote:hover{background:#B4FF3D}

.burger{display:none;width:42px;height:42px;border:1px solid var(--line2);border-radius:8px;
  background:none;cursor:pointer;align-items:center;justify-content:center;flex:none}
.burger span{display:block;width:18px;height:2px;background:#fff;position:relative}
.burger span::before,.burger span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:#fff}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- Hero ---------- */
.hero{padding:80px 0}
.hero-grid{display:grid;grid-template-columns:1fr 560px;gap:64px;align-items:center}
.hero h1{font-size:48px;font-weight:900;line-height:1.21;letter-spacing:-1px;margin-top:24px}
.hero-sub{font-size:18px;color:var(--t2);line-height:1.67;margin-top:24px}
.hero-cta{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.stats{display:flex;gap:48px;margin-top:40px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;gap:2px}
.stat .num{font-size:32px;font-weight:900;color:var(--accent);letter-spacing:-.5px}
.stat .lbl{font-size:13px;color:var(--t4)}
.hero-media{border-radius:var(--rc);overflow:hidden;background:var(--card)}
.hero-media img{width:100%;height:100%;aspect-ratio:560/440;object-fit:cover}

/* ---------- 栏目入口卡 ---------- */
.entries{padding:80px 0}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.entry-card{background:var(--card);border-radius:var(--rc);overflow:hidden;display:block;
  transition:transform .25s ease, box-shadow .25s ease}
.entry-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.entry-media img{width:100%;aspect-ratio:308/190;object-fit:cover}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:8px}
.entry-title{font-size:18px;font-weight:700}
.entry-desc{font-size:13px;color:var(--t3);line-height:22px}
.link-more{color:var(--accent);font-size:13px;font-weight:600;display:inline-flex;
  align-items:center;gap:6px;margin-top:4px}

/* ---------- 内页头部 ---------- */
.page-head{padding:56px 0 0}
.page-head h1{font-size:40px;font-weight:900;letter-spacing:-.6px;margin-top:12px}
.page-desc{font-size:16px;color:var(--t2);margin-top:12px;max-width:720px}

/* ---------- 能力卡 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:40px 0 16px}
.cap-card{background:var(--card);border-radius:var(--rc);overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease}
.cap-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.cap-media img{width:100%;aspect-ratio:416/220;object-fit:cover}
.cap-body{padding:20px;display:flex;flex-direction:column;gap:10px}
.cap-title{font-size:18px;font-weight:700}
.cap-desc{font-size:13px;color:var(--t3);line-height:22px}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:11px;color:var(--t2);background:var(--bg);border:1px solid var(--line2);
  border-radius:var(--rt);padding:4px 10px;white-space:nowrap}

/* ---------- 流程时间线 ---------- */
.strip{padding:24px 0}
.strip .plain-grid{padding:0}
ol.timeline{list-style:none}
.strip-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}
.strip-title{font-size:22px;font-weight:700}
.strip-sub{font-size:13px;color:var(--t4)}
.timeline{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.step{background:var(--card);border-radius:var(--rc);padding:16px;display:flex;flex-direction:column;gap:6px}
.step-num{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:1px}
.step b{font-size:14px;font-weight:700}
.step span{font-size:12px;color:var(--t3);line-height:19px}

/* ---------- 材料卡 ---------- */
.mat-group{padding:24px 0 8px}
.mat-group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.mat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.mat-card{background:var(--card);border-radius:var(--rc);padding:16px;display:flex;flex-direction:column;gap:8px}
.mat-name-row{display:flex;align-items:center;gap:8px}
.mat-dot{width:12px;height:12px;border-radius:6px;flex:none}
.mat-name{font-size:15px;font-weight:600}
.mat-spec{font-size:12px;color:var(--t4);line-height:19px}

/* ---------- CTA / 提示条 ---------- */
.cta-strip{padding:48px 0 80px}
.cta-strip.tight{padding:24px 0 80px}
.cta-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--rc);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-title{font-size:22px;font-weight:700}
.cta-desc{font-size:14px;color:var(--t3);margin-top:6px}
.cta-card .btn-sm{background:var(--accent);color:#000;font-weight:700;font-size:14px;
  padding:12px 24px;border-radius:var(--rb);flex:none;transition:background .18s}
.cta-card .btn-sm:hover{background:#B4FF3D}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 400px;gap:48px;padding:40px 0 24px;align-items:start}
.about-grid h2{font-size:24px;font-weight:700;letter-spacing:-.3px}
.about-grid p{font-size:15px;color:var(--t2);line-height:26px;margin-top:14px}
.facts{background:var(--card);border-radius:var(--rc);padding:8px 24px;display:flex;flex-direction:column}
.fact{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;
  border-bottom:1px solid var(--line)}
.fact:last-child{border-bottom:0}
.fact span{font-size:13px;color:var(--t4)}
.fact b{font-size:14px;font-weight:600;text-align:right}
.about-media{border-radius:var(--rc);overflow:hidden;background:var(--card);margin:0 0 24px}
.about-media img{width:100%;aspect-ratio:1120/640;object-fit:cover}
.m-only{display:none!important}

/* ---------- 产品/能力 卡片（文字版） ---------- */
.plain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:24px 0}
.plain-card{background:var(--card);border-radius:var(--rc);padding:24px;display:flex;flex-direction:column;gap:8px}
.plain-card h3{font-size:17px;font-weight:700}
.plain-card p{font-size:13px;color:var(--t3);line-height:22px}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 560px;gap:24px;padding:40px 0 80px;align-items:start}
.contact-list{display:flex;flex-direction:column;gap:16px}
.contact-card{background:var(--card);border-radius:var(--rc);padding:24px;display:flex;flex-direction:column;gap:12px}
.contact-label{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--t4)}
.contact-label svg{flex:none}
.contact-value{font-size:18px;font-weight:600;line-height:1.45;word-break:break-word}
a.contact-value:hover{color:var(--accent)}

.form{background:var(--card);border-radius:var(--rc);padding:32px;display:flex;flex-direction:column;gap:16px}
.form h2{font-size:20px;font-weight:700}
.form-note{font-size:13px;color:var(--t3);line-height:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;color:var(--t4)}
.input{width:100%;height:44px;background:var(--bg);border:1px solid var(--line2);border-radius:var(--rb);
  padding:0 14px;color:#fff;font-size:13px;font-family:inherit;transition:border-color .15s}
.input::placeholder{color:var(--ph)}
.input:focus{outline:none;border-color:var(--accent)}
textarea.input{height:96px;padding:12px 14px;resize:vertical;line-height:20px}
.form-submit{height:48px;background:var(--accent);border:0;border-radius:var(--rb);
  font-weight:700;font-size:15px;color:#000;cursor:pointer;font-family:inherit;transition:background .18s}
.form-submit:hover{background:#B4FF3D}
.form-submit.is-done{background:var(--t3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer);border-top:1px solid var(--line)}
.ftr-top{display:flex;justify-content:space-between;gap:40px;padding:56px 0 0;flex-wrap:wrap}
.ftr-brand{max-width:360px;display:flex;flex-direction:column;gap:14px}
.ftr-logo{display:flex;align-items:center;gap:10px}
.ftr-logo img{height:34px;width:auto}
.ftr-logo span{font-size:14px;font-weight:800;letter-spacing:.5px}
.ftr-tag{font-size:13px;color:var(--t4);line-height:22px}
.ftr-col{min-width:120px}
.ftr-col h4{font-size:13px;font-weight:700;margin-bottom:14px}
.ftr-col a,.ftr-col span{display:block;font-size:13px;color:var(--t4);margin-bottom:12px}
.ftr-col a:hover{color:var(--accent)}
.ftr-bottom{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;
  display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--t5);flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1360px){
  :root{--pad:48px}
  .hero-grid{grid-template-columns:1fr 480px;gap:48px}
  .contact-grid{grid-template-columns:1fr 500px}
}
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr 440px;gap:40px}
  .hero h1{font-size:46px}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .mat-grid{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(4,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .plain-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .menu{position:absolute;top:72px;left:0;right:0;background:var(--card);
    border-bottom:1px solid var(--line2);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 24px 16px;display:none;box-shadow:0 24px 60px rgba(0,0,0,.5)}
  .menu.is-open{display:flex}
  .menu-item{height:auto;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
  .menu-item:last-of-type{border-bottom:0}
  .menu-item > a{padding:14px 0;font-size:15px}
  .menu-item > a::after{display:none}
  .dropdown{position:static;transform:none;min-width:0;border:0;background:none;
    box-shadow:none;padding:0 0 12px;display:none}
  .menu-item.is-open-drop .dropdown{display:flex}
  .burger{display:flex}
  .nav > .btn-quote{display:none}
  .m-only{display:inline-flex!important;margin-top:12px}
  .btn-quote{padding:9px 16px;font-size:13px}
}
@media (max-width:760px){
  :root{--pad:24px}
  .hero{padding:48px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:36px}
  .hero-sub{font-size:16px}
  .stats{gap:28px}
  .stat .num{font-size:26px}
  .entries{padding:56px 0}
  .sec-head h2{font-size:26px}
  .page-head h1{font-size:30px}
  .cap-grid,.plain-grid,.entry-grid,.mat-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .cta-card{padding:28px 24px}
  .form{padding:24px}
  .form-row{grid-template-columns:1fr}
  .ftr-bottom{flex-direction:column}
  .contact-value{font-size:16px}
}
@media (max-width:420px){
  .timeline{grid-template-columns:1fr}
}