/* ===== 设计变量（改这里即可换主题色） ===== */
:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --accent:#0ea5e9;
  --dark:#0f172a;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-600:#475569;
  --gray-500:#64748b;
  --gray-800:#1e293b;
  --text:#1f2937;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 6px 24px rgba(15,23,42,.08);
  --shadow-lg:0 12px 40px rgba(15,23,42,.14);
  --maxw:1200px;

  /* ===== 全站配色可定制变量（由 LOGO 配色面板控制） ===== */
  --bar-header:rgba(255,255,255,.92);   /* 顶部导航栏底色 */
  --bar-hero:#2563eb;                   /* 首页横幅底色 */
  --bar-pagehero:#2563eb;               /* 内页横幅底色 */
  --bar-cta:#2563eb;                    /* 行动召唤区底色 */
  --bar-footer:#0f172a;                 /* 页脚底色 */
  --header-text:var(--dark);            /* 导航文字色（深色导航时自动转白） */
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);background:var(--gray-50);line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.center{text-align:center}

/* ===== 按钮 ===== */
.btn{
  display:inline-block;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;
  transition:.25s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.15)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--bar-header);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-200);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--header-text);cursor:pointer}
.logo-mark{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:15px;
}
.main-nav{display:flex;gap:28px}
.main-nav a{font-size:15px;font-weight:600;color:var(--header-text);position:relative;padding:6px 0}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:var(--primary);
}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--dark);cursor:pointer}
img.logo-mark{display:block;width:38px;height:38px;object-fit:contain;border-radius:10px;background:none;box-shadow:none}

/* ===== 英雄区 ===== */
.hero{
  background:var(--bar-hero);
  background:linear-gradient(135deg,
    color-mix(in srgb, var(--bar-hero) 74%, #000) 0%,
    var(--bar-hero) 55%,
    color-mix(in srgb, var(--bar-hero) 78%, #0ea5e9) 100%);
  color:var(--hero-text,#fff);padding:96px 0 88px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;gap:44px}
.hero-text{max-width:680px}
.hero-logo{flex-shrink:0}
/* 印章 LOGO 立体感：顶部高光 + 深投影 + 环境光晕 + 轻微悬浮动画 */
.hero-logo img{
  width:180px;display:block;
  filter:
    drop-shadow(0 1px 0 rgba(255,255,255,.22))
    drop-shadow(0 16px 30px rgba(2,8,23,.45))
    drop-shadow(0 0 36px rgba(255,255,255,.10));
  animation:logoFloat 5s ease-in-out infinite;
}
@keyframes logoFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
/* 英雄区标语：字源图抠字合成，横排一行，大字重 + 印章式投影 + 入场盖章动画 */
.hero-slogan{
  position:absolute;right:44px;bottom:30px;z-index:1;
  display:flex;align-items:center;gap:0;
  transform:rotate(-1deg);
  pointer-events:none;
}
/* 每个字独立飞入：从左下飞向自己的位置 */
.hero-slogan img{
  display:block;
  height:clamp(44px,5.2vw,96px);width:auto;
  opacity:0;
  filter:
    drop-shadow(0 8px 18px rgba(2,8,23,.4))
    drop-shadow(0 0 16px rgba(255,120,60,.12));
  animation:charFly .9s cubic-bezier(.16,.84,.3,1) both;
}
@keyframes charFly{
  0%  {opacity:0;transform:translate(-150px,70px) rotate(-38deg) scale(.45)}
  55% {opacity:1}
  100%{opacity:1;transform:translate(0,0) rotate(0) scale(1)}
}
@keyframes stampIn{
  0%{opacity:0;transform:rotate(-1.6deg) scale(1.5)}
  70%{opacity:1;transform:rotate(-1.6deg) scale(.97)}
  100%{transform:rotate(-1.6deg) scale(1)}
}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.25;margin-bottom:16px}
.hero-sub{font-size:clamp(16px,2vw,20px);opacity:.95;margin-bottom:14px;font-weight:600}
.hero-desc{font-size:16px;opacity:.85;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 通用区块 ===== */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-title{font-size:30px;font-weight:800;color:var(--dark);text-align:center;margin-bottom:10px}
.section-lead{text-align:center;color:var(--gray-600);max-width:680px;margin:0 auto 44px}

/* ===== 卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow);transition:.25s ease;
}
.section-alt .card{background:var(--gray-50)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-icon{font-size:34px;margin-bottom:14px}
.card h3{font-size:20px;color:var(--dark);margin-bottom:10px}
.card p{color:var(--gray-600);font-size:15px;margin-bottom:14px}
.card-link{color:var(--primary);font-weight:600;font-size:15px}

/* ===== 新闻列表 ===== */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-item{
  display:block;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:.25s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-date{font-size:13px;color:var(--gray-600)}
.news-cat{
  display:inline-block;margin-left:8px;font-size:12px;color:var(--primary);
  background:rgba(37,99,235,.1);padding:2px 10px;border-radius:999px;
}
.news-title{font-size:18px;color:var(--dark);margin:12px 0 8px;line-height:1.4}
.news-sum{font-size:14px;color:var(--gray-600)}
.news-more{display:inline-block;margin-top:10px;font-size:14px;font-weight:600;color:var(--primary)}
.news-item:hover .news-more{text-decoration:underline}

/* ===== 新闻详情页 ===== */
.news-detail{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--gray-200);
  border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.nd-meta{display:flex;align-items:center;margin-bottom:14px}
.nd-meta .news-date{font-size:14px;color:var(--gray-600)}
.nd-title{font-size:28px;color:var(--dark);line-height:1.35;margin-bottom:18px}
.nd-summary{font-size:16px;color:var(--gray-600);background:#f8fafc;border-left:4px solid var(--primary);
  padding:14px 18px;border-radius:0 10px 10px 0;margin-bottom:24px;line-height:1.7}
.nd-content{font-size:16px;color:#334155;line-height:1.9}
.nd-content br{content:"";display:block;margin-bottom:6px}
.nd-loading{font-size:16px;color:var(--gray-600);text-align:center;padding:40px 0}
.btn-back{display:inline-block;color:var(--primary);font-weight:600;text-decoration:none;border:1px solid var(--gray-200);
  padding:10px 18px;border-radius:10px;transition:.2s}
.btn-back:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ===== CTA ===== */
.cta{background:var(--bar-cta);background:linear-gradient(135deg,color-mix(in srgb,var(--bar-cta) 85%,#000),var(--bar-cta));color:var(--cta-text,#fff);padding:64px 0;text-align:center}
.cta h2{font-size:26px;margin-bottom:22px}

/* ===== 页脚 ===== */
.site-footer{background:var(--bar-footer);color:#cbd5e1;padding:54px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1.4fr;gap:32px}
.footer-logo{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:16px}
.site-footer a{color:#cbd5e1;display:block;margin-bottom:8px;font-size:14px}
/* 段落内的链接（电话/邮箱）保持行内，不独占一行 */
.site-footer p a{display:inline;margin:0}
.site-footer p{font-size:14px;color:#cbd5e1;line-height:1.9;margin-bottom:8px}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;text-align:center;font-size:13px;color:#94a3b8}

/* ===== 关于我们 ===== */
.page-hero{background:var(--bar-pagehero);background:linear-gradient(135deg,color-mix(in srgb,var(--bar-pagehero) 70%,#000),var(--bar-pagehero));color:var(--pagehero-text,#fff);padding:64px 0;text-align:center}
.page-hero h1{font-size:34px;margin-bottom:10px}
.page-hero p{opacity:.9}
.about-block{max-width:820px;margin:0 auto 48px}
.about-block h2{font-size:24px;color:var(--dark);margin-bottom:14px}
.about-block p{color:var(--gray-600)}
/* 营业执照展示 */
.license-wrap{text-align:center}
.license-img{
  display:block;width:100%;max-width:560px;margin:0 auto;
  border:1px solid var(--gray-200);border-radius:10px;
  box-shadow:0 8px 28px rgba(2,8,23,.12);
  transition:transform .25s ease,box-shadow .25s ease;
}
.license-img:hover{transform:translateY(-4px) scale(1.015);box-shadow:0 14px 36px rgba(2,8,23,.18)}
.license-meta{margin-top:14px;font-size:13px;color:var(--gray-500)}
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:28px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:var(--gray-200)}
.timeline li{position:relative;margin-bottom:26px}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 3px rgba(37,99,235,.2);
}
.timeline .t-date{font-weight:700;color:var(--primary);font-size:15px}
.timeline .t-text{color:var(--gray-600)}

/* ===== 服务详情 ===== */
.service-row{display:grid;grid-template-columns:80px 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:30px;margin-bottom:22px;box-shadow:var(--shadow)}
.service-row .s-icon{font-size:42px}
.service-row h3{font-size:22px;color:var(--dark);margin-bottom:10px}
.service-row p{color:var(--gray-600);margin-bottom:10px}
.service-row ul li{color:var(--gray-600);padding-left:20px;position:relative;margin-bottom:6px;font-size:15px}
/* 银豹参数表 */
.spec-title{margin:18px 0 10px;font-size:16px;color:var(--dark)}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:6px}
.spec-table th,.spec-table td{border:1px solid var(--gray-200);padding:8px 12px;text-align:left;vertical-align:top}
.spec-table th{background:var(--gray-100);color:var(--dark);white-space:nowrap;width:110px}
.spec-table td{color:var(--gray-600)}
.spec-table tr:nth-child(even) td{background:#fafbfc}
@media (max-width:640px){
  .spec-table th{width:auto}
  .spec-table th,.spec-table td{display:block;width:100%}
  .spec-table th{border-bottom:none}
  .spec-table tr:nth-child(even) td{background:transparent}
  .spec-table td{border-top:none}
}
.service-row ul li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}

/* 服务序号徽标：按出现顺序自动编号 01、02… */
.svc-list{counter-reset:svc}
.service-row{counter-increment:svc;position:relative}
.service-row .s-icon{position:relative}
.service-row .s-icon::after{
  content:counter(svc,decimal-leading-zero);
  position:absolute;top:-10px;left:-14px;
  background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;line-height:1;
  min-width:24px;height:24px;padding:0 5px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(15,23,42,.22);
}

/* 产品图集（AI 收银一体秤） */
.prod-gallery{margin:18px 0 6px;display:flex;flex-direction:column;gap:10px}
.pg-main{width:100%;max-height:440px;object-fit:contain;background:var(--gray-50);
  border:1px solid var(--gray-200);border-radius:12px;cursor:zoom-in;transition:.25s}
.pg-main:hover{box-shadow:var(--shadow)}
.pg-thumbs{display:flex;gap:8px;flex-wrap:wrap}
.pg-thumbs img{width:88px;height:66px;object-fit:cover;border-radius:8px;border:2px solid transparent;
  cursor:pointer;transition:.2s;background:var(--gray-50)}
.pg-thumbs img:hover{border-color:var(--primary)}
.pg-thumbs img.active{border-color:var(--primary);box-shadow:0 0 0 2px rgba(37,99,235,.25)}

/* 图片灯箱 */
.lb-mask{position:fixed;inset:0;z-index:300;background:rgba(15,23,42,.82);
  display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.lb-mask.open{display:flex}
.lb-mask img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}

/* ===== 联系表单 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h2{font-size:24px;color:var(--dark);margin-bottom:16px}
.contact-info p{color:var(--gray-600);margin-bottom:10px}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-weight:600;margin-bottom:6px;color:var(--gray-800)}
.form-field input,.form-field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--gray-200);border-radius:10px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--text);
}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.form-msg{margin-top:14px;padding:12px 16px;border-radius:10px;font-size:14px;display:none}
.form-msg.ok{display:block;background:rgba(16,185,129,.12);color:#047857;border:1px solid rgba(16,185,129,.3)}
.form-msg.error{display:block;background:rgba(220,38,38,.1);color:#b91c1c;border:1px solid rgba(220,38,38,.3)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  /* 平板：标语改为英雄区下方居中展示，避免与左侧文字重叠 */
  .hero-slogan{
    position:static;right:auto;bottom:auto;transform:none;
    justify-content:center;margin:28px auto 0;pointer-events:none;
  }
  .hero-slogan img{height:clamp(32px,5vw,56px)}
}
@media (max-width:560px){
  /* 手机：标语字符较多，隐藏以免横向溢出 */
  .hero-slogan{display:none}
}
@media (max-width:900px){
  .card-grid,.news-list{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .main-nav{
    position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--gray-200);max-height:0;overflow:hidden;transition:.3s ease;
  }
  .main-nav.open{max-height:320px}
  .main-nav a{padding:14px 20px;border-bottom:1px solid var(--gray-100)}
  .main-nav a.active::after{display:none}
  .nav-toggle{display:block}
  .card-grid,.news-list,.footer-grid{grid-template-columns:1fr}
  .service-row{grid-template-columns:1fr;text-align:center}
  .section{padding:54px 0}
  .hero{padding:64px 0 56px}
  .hero-inner{gap:20px}
  .hero-logo img{width:112px}
}

/* ===== 全站配色定制抽屉（点击 LOGO 打开） ===== */
.theme-drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none}
.theme-drawer.open{visibility:visible;pointer-events:auto}
.td-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.45);opacity:0;transition:.25s ease}
.theme-drawer.open .td-backdrop{opacity:1}
.td-panel{
  position:absolute;top:0;right:0;height:100%;width:340px;max-width:88vw;
  background:#fff;box-shadow:-12px 0 40px rgba(15,23,42,.18);
  transform:translateX(100%);transition:transform .28s cubic-bezier(.16,.84,.3,1);
  display:flex;flex-direction:column;padding:22px 22px 18px;overflow-y:auto
}
.theme-drawer.open .td-panel{transform:translateX(0)}
.td-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.td-head h3{font-size:19px;color:var(--dark)}
.td-x{border:none;background:none;font-size:24px;line-height:1;color:var(--gray-500);cursor:pointer}
.td-x:hover{color:var(--dark)}
.td-sub{font-size:12.5px;color:var(--gray-600);line-height:1.7;margin-bottom:14px}
.td-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.td-preset{border:1px solid var(--gray-200);background:var(--gray-50);color:var(--gray-800);
  padding:6px 12px;border-radius:999px;font-size:13px;cursor:pointer;transition:.2s}
.td-preset:hover{border-color:var(--primary);color:var(--primary)}
.td-fields{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.td-field{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--gray-50);border:1px solid var(--gray-200);border-radius:12px;padding:10px 12px}
.td-field>span:first-child{font-size:14px;font-weight:600;color:var(--dark)}
.td-pick{display:flex;align-items:center;gap:8px}
.td-pick input[type=color]{width:34px;height:34px;border:none;background:none;padding:0;cursor:pointer;border-radius:8px}
.td-pick code{font-size:12px;color:var(--gray-600);min-width:74px;text-align:right}
.td-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.td-btn{flex:1;min-width:90px;padding:11px 10px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s}
.td-primary{background:var(--primary);color:#fff}
.td-primary:hover{background:var(--primary-dark)}
.td-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.td-ghost:hover{background:rgba(37,99,235,.08)}
.td-text{background:none;border-color:var(--gray-200);color:var(--gray-600)}
.td-text:hover{border-color:var(--gray-500);color:var(--dark)}
.td-tip{font-size:12.5px;color:var(--primary);margin-top:10px;min-height:16px;line-height:1.6}
.td-tip.err{color:#dc2626}