/* =========================================================
   进驰科技官网(gforward.cn)重构版 —— 全局样式
   设计基调:科技蓝 #008cd6 + 深蓝文字,克制、专业、可信赖
   ========================================================= */
:root{
  --blue:#008CDD;  /* 品牌蓝 */`n  --green:#73BE71;  /* 品牌绿 */`n  --deepblue:#0B5EA8;  /* 藏青 */
  --blue-dark:#0066a1;
  --blue-soft:#e8f4fb;
  --navy:#0b2a4a;
  --ink:#24303f;
  --ink-2:#5a6b7f;
  --line:#e3eaf2;
  --bg:#f6f9fc;
  --white:#ffffff;
  --ok:#1faa70;
  --warn:#e6a23c;
  --radius:12px;
  --shadow:0 8px 24px rgba(11,42,74,.08);
  --shadow-lg:0 16px 40px rgba(11,42,74,.14);
  --grad:linear-gradient(135deg,#008cd6 0%,#0b5ea8 100%);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
section{scroll-margin-top:90px}

/* ---------- 通用组件 ---------- */
.section{padding:72px 0}
.section.alt{background:var(--bg)}
.eyebrow{display:inline-block;color:var(--blue);font-weight:600;letter-spacing:2px;font-size:14px;margin-bottom:8px}
.sec-title{font-size:clamp(24px,3vw,34px);color:var(--navy);line-height:1.35;margin-bottom:10px}
.sec-sub{color:var(--ink-2);max-width:820px;margin-bottom:34px}
.lead{font-size:17px;color:var(--ink-2)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.25s}
.btn.primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(0,140,214,.35)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,140,214,.45)}
.btn.ghost{border-color:var(--blue);color:var(--blue)}
.btn.ghost:hover{background:var(--blue-soft)}
.center{text-align:center}
.grid{display:grid;gap:24px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid.c3,.grid.c4,.grid.c2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:var(--blue-soft);color:var(--blue-dark);font-size:13px;font-weight:600;border:1px solid #cfe7f6}
.chip.gray{background:#eef2f6;color:var(--ink-2);border-color:var(--line)}
.tag{display:inline-block;padding:2px 12px;border-radius:6px;font-size:12px;background:var(--blue);color:#fff}
.ph{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:
  repeating-linear-gradient(45deg,#eef3f8,#eef3f8 12px,#e6edf5 12px,#e6edf5 24px);
  border:2px dashed #c3d2e0;border-radius:10px;color:#8aa0b5;text-align:center}
.ph .ph-text{font-size:13px}
.ph svg{opacity:.75}
.ph-cap{font-size:12px;color:#9aa9b8;text-align:center;padding-top:8px}

/* ---------- 页头导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:38px;width:auto}
.brand .brand-name{font-size:19px;font-weight:700;color:var(--navy);letter-spacing:1px}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{display:block;padding:10px 14px;border-radius:8px;color:var(--ink);font-size:15px;font-weight:500;transition:.2s}
.main-nav .nav-link:hover,.main-nav li.active>.nav-link{color:var(--blue)}
.main-nav li.active>.nav-link{font-weight:700}
.has-drop{position:relative}
.has-drop>.drop{position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%) translateY(8px);display:flex;flex-direction:row;align-items:stretch;gap:4px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);width:max-content;max-width:calc(100vw - 32px);opacity:0;visibility:hidden;transition:.22s}
.has-drop:hover>.drop,.has-drop:focus-within>.drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:block;padding:12px 18px;border-radius:10px;font-size:14px;color:var(--ink);white-space:nowrap;min-width:96px;text-align:center}
.drop a:hover{background:var(--blue-soft);color:var(--blue-dark)}
.drop .drop-sub{display:block;font-size:11.5px;color:#8aa0b5;margin-top:4px;white-space:nowrap;font-weight:400}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--navy);cursor:pointer}
@media(max-width:900px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow-lg)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;padding:10px 6%}
  .has-drop>.drop{position:static;left:auto;top:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 0 14px;display:none;flex-direction:column;gap:0;width:100%;max-width:none}
  .has-drop.open>.drop{display:block}
  .drop a{text-align:left;white-space:normal}
}

/* ---------- 首页 Hero(左文右图双栏) ---------- */
.hero{background:radial-gradient(1400px 760px at 50% -18%,rgba(0,140,214,.34),transparent 66%),linear-gradient(120deg,#0b2a4a 0%,#0b3e66 56%,#075a94 100%);color:#fff;padding:112px 0 96px}
.hero-grid{display:flex;flex-direction:column;gap:46px;align-items:center}
.hero-text{max-width:1060px;text-align:center;margin:0 auto}
.hero h1{font-size:clamp(28px,4.8vw,60px);line-height:1.2;font-weight:800;white-space:nowrap}
.hero .hero-actions{justify-content:center}
.hero .slogan-en{margin-top:16px;letter-spacing:4px}
.hero-media{width:100%;display:flex;justify-content:center}
.hero-media canvas{width:min(880px,100%);aspect-ratio:100/66;display:block;border-radius:22px;background:radial-gradient(120% 120% at 28% 18%,rgba(0,140,214,.42),rgba(9,45,78,.5) 55%,rgba(5,28,52,.75));border:1px solid rgba(255,255,255,.16);box-shadow:0 26px 64px rgba(0,0,0,.42)}
@media(max-width:960px){.hero h1{white-space:normal;line-height:1.25}}
@media(max-width:860px){.hero-grid{gap:34px}.hero-media canvas{width:100%}}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,#6ec9f5 0%,#008CDD 46%,#73BE71 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .slogan-en{margin-top:16px;letter-spacing:3px;color:#9fd8f5;font-size:14px}
.hero .hero-p{margin-top:20px;max-width:680px;color:#d7e7f4}
.hero .hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero .btn.light{background:#fff;color:var(--navy)}
.hero .btn.light:hover{transform:translateY(-2px)}
.hero .btn.line{border-color:#9fdc96;color:#e6f9e2}
.hero .hero-p{font-size:17px;max-width:660px}
.big-img{width:100%;border-radius:14px;box-shadow:var(--shadow);max-height:340px;object-fit:cover;margin-bottom:34px}
.cta-contact{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.cta-chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:9px 20px;font-size:15px;color:#fff}
.stats{margin-top:46px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid rgba(255,255,255,.18);padding-top:34px}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat .num{font-size:clamp(24px,3.4vw,38px);font-weight:800;color:#fff}
.stat .num small{font-size:15px;color:#9fd8f5}
.stat .lbl{color:#b9d6e8;font-size:13px;margin-top:2px}

/* ---------- 首页板块卡片 ---------- */
.feature-card{display:block;position:relative;overflow:hidden}
.feature-card .fc-icon{width:52px;height:52px;border-radius:12px;background:var(--blue-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-card h3{color:var(--navy);font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--ink-2);font-size:14.5px;margin-bottom:14px}
.feature-card .more{color:var(--blue);font-weight:600;font-size:14px}
.feature-card .arrow{transition:.2s}
.feature-card:hover .arrow{transform:translateX(4px)}

/* 宫格/产品卡片 */
.prod-card{text-align:center;overflow:hidden;padding:0}
.prod-card .pc-media{height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(180deg,#f2f8fc,#e9f3fa)}
.prod-card .pc-media img{width:100%;height:100%;object-fit:contain;transition:.35s}
.prod-card:hover .pc-media img{transform:scale(1.05)}
.prod-card .pc-body{padding:18px 20px 22px;border-top:1px solid var(--line)}
.prod-card h3{font-size:17px;color:var(--navy)}
.prod-card .pc-sub{font-size:13px;color:var(--ink-2);margin-top:6px}

/* 服务流程时间线 */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;counter-reset:st}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative}
.step b{display:block;color:var(--blue);font-size:15px;margin:8px 0 6px}
.step p{font-size:13.5px;color:var(--ink-2)}

/* ---------- 内容页通用 ---------- */
.page-hero{background:var(--grad);color:#fff;padding:56px 0 50px}
.page-hero h1{font-size:clamp(26px,4vw,38px);font-weight:800}
.page-hero .crumb{color:#bfe2f6;font-size:13px;margin-bottom:8px}
.page-hero p{color:#dff0fb;margin-top:10px;max-width:860px}
.block-title{font-size:22px;color:var(--navy);margin-bottom:16px;position:relative;padding-left:14px}
.block-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--blue)}

/* 双栏图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.split .media-box{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.split .media-box.ph{min-height:320px}

/* 要点列表 */
.ticks li{position:relative;padding:8px 0 8px 34px;border-bottom:1px dashed var(--line)}
.ticks li:last-child{border-bottom:none}
.ticks li::before{content:"✓";position:absolute;left:0;top:9px;width:22px;height:22px;border-radius:50%;background:var(--blue-soft);color:var(--blue-dark);font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700}

/* 产品规格表 */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);font-size:14px}
.tbl th,.tbl td{padding:12px 16px;border:1px solid var(--line);text-align:left}
.tbl th{background:var(--navy);color:#fff;font-weight:600}
.tbl tr:nth-child(even) td{background:#f8fbfd}

/* 案例卡片 */
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.case-card .case-meta{font-size:12.5px;color:var(--ink-2);display:flex;gap:10px;flex-wrap:wrap}
.case-card h3{font-size:16.5px;color:var(--navy);line-height:1.5}
.case-card p{font-size:14px;color:var(--ink-2)}

/* 新闻 */
.news-item{display:flex;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:16px;align-items:flex-start}
.news-item .date{flex:0 0 92px;text-align:center;background:var(--blue-soft);border-radius:10px;padding:8px 4px;color:var(--blue-dark)}
.news-item .date b{display:block;font-size:22px;line-height:1.1}
.news-item h3{font-size:17px;color:var(--navy);margin-bottom:6px}
.news-item p{font-size:14px;color:var(--ink-2)}
@media(max-width:640px){.news-item{flex-direction:column;gap:10px}.news-item .date{flex:none;text-align:left}}

/* 筛选按钮 */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.fbtn{padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;font-size:14px;transition:.2s;font-family:inherit}
.fbtn:hover{border-color:var(--blue);color:var(--blue)}
.fbtn.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.hide{display:none!important}

/* 时间线 */
.timeline{position:relative;margin:10px 0 0 6px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:linear-gradient(var(--blue),#cfe7f6)}
.tl-item{position:relative;padding:0 0 26px}
.tl-item::before{content:"";position:absolute;left:-27px;top:7px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.tl-item time{display:inline-block;background:var(--blue-soft);color:var(--blue-dark);font-size:13px;font-weight:600;padding:2px 12px;border-radius:999px;margin-bottom:6px}
.tl-item h4{color:var(--navy);font-size:16.5px;margin-bottom:4px}
.tl-item p{color:var(--ink-2);font-size:14px}

/* 页脚 */
.site-footer{background:var(--navy);color:#c3d5e4;margin-top:0}
.footer-top{display:grid;grid-template-columns:0.9fr 2.2fr;gap:48px;padding:54px 0 36px}
@media(max-width:860px){.footer-top{grid-template-columns:1fr}}
.footer-top h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-top p{font-size:13.5px;color:#a9c2d6;margin-bottom:8px}
.footer-links a{display:block;padding:4px 0;font-size:14px;color:#c3d5e4;transition:.2s}
.footer-links a:hover{color:#4fc3ff}
.footer-contact li{margin-bottom:10px;font-size:14px;white-space:nowrap}
.footer-contact .tel{font-size:22px;color:#4fc3ff;font-weight:800}
.footer-flow{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:8px 0;font-size:12px;color:#8fb0c6}
.footer-flow span{color:#73BE71;margin:0 10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#7f9db4;flex-wrap:wrap}

/* 资质荣誉磁贴 */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px}
.cert{padding:20px 12px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.cert b{display:block;color:var(--navy);margin-top:10px;font-size:15px}

/* 硬件产品大卡 */
.hw-block{display:grid;grid-template-columns:340px 1fr;gap:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:26px;box-shadow:var(--shadow)}
@media(max-width:860px){.hw-block{grid-template-columns:1fr}}
.hw-block .hw-media{min-height:250px}
.hw-block .hw-media img{width:100%;height:100%;object-fit:contain}
.hw-block h3{font-size:21px;color:var(--navy);margin-bottom:10px}
.hw-block h3 small{font-size:13px;color:var(--blue);font-weight:600;margin-left:8px}
.hw-block p{font-size:14.5px;color:var(--ink-2)}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:12px;overflow:hidden}
.faq summary{padding:16px 20px;cursor:pointer;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:20px;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 20px 16px;color:var(--ink-2);font-size:14.5px}

/* 调用区 */
.cta{padding:56px 0;background:linear-gradient(120deg,#0b2a4a,#0b5ea8);color:#fff;text-align:center}
.cta h2{font-size:clamp(22px,3vw,32px);margin-bottom:10px}
.cta p{color:#c9e2f3;margin-bottom:24px}
.cta .tel-big{font-size:clamp(28px,4vw,42px);font-weight:800;color:#4fc3ff;letter-spacing:1px}

@media(max-width:420px){.footer-contact li{white-space:normal}}