/* ============================================================
   Redshape — Global Stylesheet
   调色板（对标 kxpower.co.uk）：深森林绿 + 米金 + 米白底
   ============================================================ */
:root{
  /* 主色 */
  --green:#0a3d2e;
  --green-d:#062a1f;
  --green-l:#175a45;
  --gold:#c8a96a;
  --gold-l:#e0c89a;

  /* 背景 */
  --bg:#ffffff;
  --bg-warm:#f5f1e8;
  --bg-warm-2:#efe9dd;
  --bg-dark:#0a3d2e;

  /* 文字 */
  --ink:#1c2421;
  --ink-2:#3f4a45;
  --muted:#6c7772;
  --line:#dfd8cb;
  --line-l:#ebe6dc;

  --maxw:1280px;
  --pad:clamp(20px,4vw,48px);
  --ease:cubic-bezier(.22,.68,.34,1);
  --t: cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','Helvetica Neue',Arial,'Microsoft YaHei',sans-serif;
  font-size:16px;line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--green);color:#fff}
h1,h2,h3,h4{line-height:1.2;font-weight:800;letter-spacing:-.4px}
h2{font-size:clamp(28px,3.6vw,44px)}
h3{font-size:clamp(20px,2vw,26px)}
p{color:var(--ink-2)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);position:relative;z-index:2}
.top-pad{height:104px}

/* ================= 网站建设中公告 ================= */
.construction-banner{
  background:linear-gradient(90deg,#7a0e22 0%,#c8102e 55%,#9e0c20 100%);
  color:#fff;padding:12px 0;position:relative;z-index:101;
}
.construction-banner-inner{display:flex;align-items:center;gap:12px;font-size:14px;line-height:1.5}
.construction-banner__dot{
  width:9px;height:9px;border-radius:50%;background:#fff;flex-shrink:0;
  box-shadow:0 0 0 0 rgba(255,255,255,.7);animation:pulse 2s infinite;
}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(255,255,255,0)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}
.construction-banner__text strong{font-weight:800;letter-spacing:.3px}
.construction-note{font-size:22px !important;font-weight:800;color:var(--gold-l) !important;letter-spacing:.5px}

/* ================= 公司信息卡片 ================= */
.company-card{
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--green);
  border-radius:6px;padding:30px 32px;
}
.company-card h3{font-size:20px;margin-bottom:20px;color:var(--green)}
.company-dl{display:grid;grid-template-columns:auto 1fr;gap:10px 20px}
.company-dl dt{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.5px}
.company-dl dd{font-size:15px;color:var(--ink);word-break:break-word}
.company-card__note{margin-top:20px;padding-top:16px;border-top:1px solid var(--line-l);font-size:13px;color:var(--muted)}

/* ================= 图片占位（所有图片位共用） ================= */
.ph{
  display:block;position:relative;overflow:hidden;
  background:var(--bg-warm-2);border-radius:6px;
}
.ph img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .5s var(--t)}
.ph img.is-loaded{opacity:1}
.ph:not(.is-loaded)::before{
  content:attr(data-w) ' × ' attr(data-h);
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;letter-spacing:2px;color:var(--muted);text-transform:uppercase;
}
.ph:not(.is-loaded)::after{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,transparent,transparent 12px,rgba(10,61,46,.05) 12px,rgba(10,61,46,.05) 24px);
}
.ph-caption{
  position:absolute;bottom:10px;left:12px;z-index:3;
  font-size:12px;letter-spacing:1px;color:var(--muted);background:rgba(245,241,232,.9);
  padding:2px 8px;border-radius:3px;
}

/* ================= 通用区块 ================= */
section{padding:clamp(60px,8vw,104px) 0;position:relative}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:3px;text-transform:uppercase;
  color:var(--green-l);font-weight:700;margin-bottom:16px;
}
.eyebrow--gold{color:var(--gold)}
.lead{font-size:19px;line-height:1.7;color:var(--ink-2);max-width:60ch}
.section-head{margin-bottom:clamp(36px,5vw,56px)}
.section-head--center{text-align:center;max-width:780px;margin-left:auto;margin-right:auto}
.section-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px}
.section-title{font-size:clamp(28px,3.8vw,46px);line-height:1.15;letter-spacing:-.6px;font-weight:800}
.section-title .gold{color:var(--gold)}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;
  border-radius:3px;font-weight:700;font-size:15px;letter-spacing:.3px;
  transition:.35s var(--ease);white-space:nowrap;border:1.5px solid transparent;
}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-l);transform:translateY(-2px)}
.btn-outline{border-color:var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff}
.btn-gold{background:var(--gold);color:#062a1f}
.btn-gold:hover{background:var(--gold-l)}
.btn-sm{padding:11px 22px;font-size:14px}
.btn-arrow::after{content:'→';transition:transform .3s}
.btn-arrow:hover::after{transform:translateX(4px)}

/* ================= 顶部导航 ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.96);border-bottom:1px solid var(--line-l);
  transition:box-shadow .3s,background .3s;
}
.site-header.is-stuck{box-shadow:0 6px 30px -18px rgba(6,42,31,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:104px;height:104px}
.logo{display:flex;align-items:center;gap:14px}
/* Logo 容器不铺底色，Logo PNG 本身透明，任意背景均可干净显示 */
.logo-mark{display:flex;align-items:center;justify-content:center;flex-shrink:0}
/* Logo 高度已放大一倍（原 44-46px → 88-92px） */
.logo-mark img{display:block;width:auto;height:auto;max-height:92px;width:auto}
.logo-mark--header img{max-height:88px}
.logo-mark--lg img{max-height:112px}
.logo-text{display:flex;flex-direction:column;line-height:1.05;font-weight:900;letter-spacing:.5px;color:var(--green)}
.logo-text b{font-size:20px;letter-spacing:1.5px;color:#c8102e}
.logo-text em{font-size:11px;font-style:normal;letter-spacing:2px;color:#333;font-weight:800}
.logo-text small{font-size:10px;font-style:normal;letter-spacing:1.5px;color:var(--green);font-weight:700;text-transform:uppercase;margin-top:3px}
.logo-text--dark b{color:#fff}
.logo-text--dark em{color:rgba(255,255,255,.75)}
.logo-text--dark small{color:var(--gold-l)}
.primary-nav ul{display:flex;align-items:center;gap:6px;list-style:none}
.primary-nav>ul>li>a{
  display:block;padding:12px 16px;font-size:15px;font-weight:600;color:var(--ink-2);
  position:relative;transition:color .25s;
}
.primary-nav>ul>li>a::after{
  content:'';position:absolute;left:16px;right:16px;bottom:6px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.primary-nav>ul>li>a:hover{color:var(--green)}
.primary-nav>ul>li>a:hover::after,
.primary-nav>ul>li.is-current>a::after{transform:scaleX(1)}
.primary-nav>ul>li.is-current>a{color:var(--green)}
.nav-cta{padding:10px 20px !important;border:1.5px solid var(--green);border-radius:3px}
.nav-cta::after{display:none !important}
.nav-cta:hover{background:var(--green);color:#fff !important}
.has-sub{position:relative}
.sub-menu{
  position:absolute;top:100%;left:0;min-width:260px;
  background:#fff;border:1px solid var(--line-l);border-top:3px solid var(--gold);
  padding:10px 0;box-shadow:0 20px 50px -20px rgba(6,42,31,.25);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.3s var(--ease);
}
.has-sub:hover .sub-menu,.has-sub:focus-within .sub-menu{opacity:1;visibility:visible;transform:none}
.sub-menu a{
  display:block;padding:11px 22px;font-size:14.5px;color:var(--ink-2);
  border-left:2px solid transparent;transition:.2s;
}
.sub-menu a:hover{background:var(--bg-warm);color:var(--green);border-left-color:var(--gold);padding-left:26px}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;width:40px;height:40px;align-items:center;justify-content:center}
.nav-toggle span{width:22px;height:2px;background:var(--green);border-radius:2px;transition:.3s}

/* ================= 面包屑 ================= */
.breadcrumb{background:var(--bg-warm);padding:16px 0;border-bottom:1px solid var(--line-l)}
.breadcrumb ol{list-style:none;display:flex;gap:10px;font-size:14px;color:var(--muted)}
.breadcrumb li+li::before{content:'/';margin-right:10px;color:var(--line)}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb [aria-current]{color:var(--green);font-weight:600}

/* ================= 页面标题区 ================= */
.page-hero{
  background:var(--green);color:#fff;padding:clamp(80px,12vw,140px) 0 clamp(60px,9vw,100px);
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(60% 80% at 80% 20%,rgba(200,169,106,.18),transparent 60%),
    radial-gradient(50% 70% at 10% 90%,rgba(255,255,255,.06),transparent 60%);
}
.page-hero-inner{position:relative;z-index:2;max-width:820px}
.page-hero .eyebrow{color:var(--gold-l)}
.page-hero h1{font-size:clamp(34px,5.5vw,64px);font-weight:900;line-height:1.08;letter-spacing:-1.2px;color:#fff}
.page-hero p{margin-top:20px;font-size:19px;color:rgba(255,255,255,.85);max-width:58ch}

/* ================= 统计条 ================= */
.stat-strip{
  background:var(--bg-warm);border-bottom:1px solid var(--line-l);
}
.stat-strip-inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.stat{padding:36px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(32px,4.5vw,52px);font-weight:900;letter-spacing:-1.5px;color:var(--green);line-height:1}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase}

/* ================= 页脚 ================= */
.site-footer{background:var(--green);color:rgba(255,255,255,.78);padding-top:64px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.foot-col h4{color:#fff;font-size:14px;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:20px}
.foot-col a{display:block;color:rgba(255,255,255,.72);font-size:15px;padding:6px 0;transition:color .2s,padding .2s}
.foot-col a:hover{color:var(--gold-l);padding-left:4px}
/* 页脚不放置 Logo，仅保留公司名称与标语文字，避免深色背景下的对比度问题 */
.foot-brand .site-name{font-size:20px;font-weight:900;letter-spacing:1.5px;color:#fff;line-height:1.15}
.foot-brand .site-name small{display:block;font-size:12px;font-weight:800;letter-spacing:3px;color:var(--gold-l);margin-top:6px}
.footer-bottom{background:var(--green-d);padding:24px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;color:rgba(255,255,255,.5);font-size:13.5px}
.foot-legal{display:flex;gap:24px}
.foot-legal a{color:rgba(255,255,255,.5)}
.foot-legal a:hover{color:var(--gold-l)}

/* ================= 卡片 ================= */
.card{border:1px solid var(--line);border-radius:6px;background:#fff;transition:.4s var(--ease);overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:0 24px 60px -30px rgba(6,42,31,.3);border-color:var(--line)}
.card .ph{border-radius:0}
.card-body{padding:28px}
.card-body h3{margin-bottom:10px}
.card-body p{font-size:15px;color:var(--ink-2)}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--green);font-weight:700;font-size:14.5px}
.card:hover .card-link{color:var(--gold)}

/* ================= 服务/解决方案 列表行 ================= */
.svc-row{display:grid;grid-template-columns:1fr 1.1fr;gap:0;border-top:1px solid var(--line)}
.svc-row:last-child{border-bottom:1px solid var(--line)}
.svc-row:nth-child(even){direction:rtl}
.svc-row:nth-child(even)>.svc-media{direction:ltr}
.svc-media{min-height:340px}
.svc-body{padding:clamp(36px,5vw,56px);display:flex;flex-direction:column;justify-content:center;direction:ltr}
.svc-body .num{font-size:13px;color:var(--gold);letter-spacing:3px;font-weight:800;margin-bottom:14px}
.svc-body h3{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.svc-body p{font-size:16px;margin-bottom:14px}
.svc-body ul{list-style:none;margin:6px 0 22px}
.svc-body li{padding:8px 0 8px 22px;position:relative;color:var(--ink-2);font-size:15.5px}
.svc-body li::before{content:'';position:absolute;left:0;top:16px;width:8px;height:8px;background:var(--gold);border-radius:50%}

/* ================= 项目卡片 ================= */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.proj{display:flex;flex-direction:column}
.proj .ph{min-height:300px}
.proj-body{padding:26px 0 0}
.proj-meta{display:flex;gap:14px;font-size:13px;color:var(--gold);letter-spacing:1.5px;text-transform:uppercase;font-weight:700;margin-bottom:10px}
.proj h3{margin-bottom:10px}
.proj p{font-size:15.5px}

/* ================= 新闻 ================= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.news-card{display:flex;flex-direction:column}
.news-card .ph{min-height:220px}
.news-body{padding:26px 0 0}
.news-date{font-size:13px;color:var(--gold);letter-spacing:2px;font-weight:700;margin-bottom:10px}
.news-card h3{font-size:19px;line-height:1.45;margin-bottom:12px}
.news-card p{font-size:15px}
.news-more{display:inline-block;margin-top:16px;color:var(--green);font-weight:700;font-size:14.5px}

/* ================= 联系页 ================= */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact-info h2{margin-bottom:20px}
.contact-block{margin-top:36px;padding-top:32px;border-top:1px solid var(--line)}
.contact-block h4{font-size:13px;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.contact-block p{font-size:16px;line-height:1.9}
.contact-block a{color:var(--green);border-bottom:1px solid var(--line)}
.contact-block a:hover{color:var(--gold)}
.contact-form{background:var(--bg-warm);border:1px solid var(--line);border-radius:8px;padding:36px}
.contact-form h3{margin-bottom:8px}
.contact-form>p{margin-bottom:26px;font-size:15px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field label .req{color:#b3402a}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:4px;
  background:#fff;font-family:inherit;font-size:15.5px;color:var(--ink);
  transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(10,61,46,.1);
}
.field textarea{resize:vertical;min-height:130px}
.field-error{color:#b3402a;font-size:13px;margin-top:5px;display:none}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#b3402a}
.field.has-error .field-error{display:block}
.form-note{font-size:13px;color:var(--muted);margin:18px 0 0}
.form-status{margin-top:18px;padding:14px 18px;border-radius:4px;font-size:15px;display:none}
.form-status.ok{display:block;background:rgba(10,61,46,.08);color:var(--green);border:1px solid var(--green)}
.form-status.err{display:block;background:rgba(179,64,42,.07);color:#b3402a;border:1px solid #b3402a}

/* ================= CTA ================= */
.cta-band{
  background:var(--bg-warm);border-top:1px solid var(--line-l);border-bottom:1px solid var(--line-l);
  padding:clamp(56px,8vw,88px) 0;text-align:center;
}
.cta-band h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:16px}
.cta-band p{font-size:18px;color:var(--ink-2);max-width:58ch;margin:0 auto 30px}

/* ================= 通用两栏 ================= */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,72px);align-items:center}
.two-col .ph{min-height:420px}
.text-block h2{margin-bottom:18px}
.text-block p{font-size:16.5px;margin-bottom:16px}
.text-block ul{list-style:none;margin:20px 0}
.text-block li{padding:9px 0 9px 24px;position:relative;color:var(--ink-2);font-size:16px}
.text-block li::before{content:'';position:absolute;left:0;top:18px;width:9px;height:9px;background:var(--gold);border-radius:50%}
.text-block .btn{margin-top:14px}

/* ================= 动画 ================= */
.rv{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
  .svc-row,.svc-row:nth-child(even){grid-template-columns:1fr;direction:ltr}
  .svc-media{min-height:260px}
  .stat-strip-inner{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
}
@media (max-width:820px){
  .header-inner{height:70px}
  .top-pad{height:70px}
  .primary-nav{
    position:fixed;top:70px;left:0;right:0;background:#fff;border-top:1px solid var(--line-l);
    max-height:0;overflow:hidden;transition:max-height .45s var(--ease);
  }
  .primary-nav.is-open{max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px -20px rgba(6,42,31,.2)}
  .primary-nav>ul{flex-direction:column;align-items:stretch;padding:12px 0}
  .primary-nav>ul>li>a{padding:16px var(--pad)}
  .primary-nav>ul>li>a::after{display:none}
  .has-sub .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-left:3px solid var(--gold);min-width:0;padding:0 0 6px 16px;margin:0 var(--pad)}
  .has-sub .sub-menu a{padding:11px 16px;font-size:15px}
  .nav-toggle{display:flex}
  .nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-active span:nth-child(2){opacity:0}
  .nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .proj-grid,.news-grid,.contact-grid{grid-template-columns:1fr;gap:28px}
  .two-col{grid-template-columns:1fr;gap:28px}
  .two-col .ph{min-height:260px}
  .footer-top{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom-inner{flex-direction:column;gap:14px;text-align:center}
  .contact-form{padding:26px}
}
@media (max-width:520px){
  .stat-strip-inner{grid-template-columns:1fr}
  .stat{border-right:0}
}