/* =====================================================================
   3510·trust 门户样式（portal.css）
   设计系统：绿(#27ae60) + 蓝(#2980b9) 功能风（沿用 项目导航/design-system）
   信息架构/交互骨架：对标 bigmodel.cn
   自包含、无构建、无外部 CDN 依赖
   ===================================================================== */

:root{
  --primary:#1a252f;      /* 深墨蓝：标题/深色底 */
  --edge:#27ae60;         /* 绿：主强调/完成/激活 */
  --secondary:#2980b9;    /* 蓝：次级/输入/信息 */
  --accent:#e67e22;       /* 橙：点缀/即将上线/进行中 */
  --border:#dee2e6;
  --text:#2c3e50;
  --muted:#6b7c8c;
  --bg:#ffffff;
  --bg-soft:#f6f9fc;
  --bg-dot:#eef2f6;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 2px 6px rgba(0,0,0,.04);
  --shadow-md:0 8px 24px -10px rgba(20,40,60,.12);
  --shadow-lg:0 20px 48px -16px rgba(20,40,60,.18);
  --maxw:1180px;
  --font:'Segoe UI','Microsoft YaHei','PingFang SC',Roboto,Helvetica,Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--secondary);text-decoration:none}
a:hover{color:var(--edge)}
img{max-width:100%;display:block}
section{padding:64px 0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---- 标题 ---- */
h1,h2,h3{color:var(--primary);line-height:1.3}
.section-title{font-size:1.8rem;font-weight:800;text-align:center;letter-spacing:-.01em;margin-bottom:8px}
.section-title .ac{color:var(--edge)}
.section-sub{text-align:center;color:var(--muted);font-size:1rem;margin-bottom:40px}
.gradient-text{background:linear-gradient(135deg,var(--edge),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---- 徽标/标签 ---- */
.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.72rem;font-weight:600;vertical-align:middle}
.t-green{background:#e8f8f5;color:#1e8449}
.t-blue{background:#eaf2fb;color:#1f618d}
.t-orange{background:#fdf2e9;color:#b9651a}
.t-gray{background:#eef1f4;color:#566}
.badge{display:inline-flex;align-items:center;gap:6px;background:#e8f8f5;color:#1e8449;padding:5px 14px;border-radius:30px;font-size:.8rem;font-weight:600;border:1px solid #c8ecd9}
.soon-tag{position:absolute;top:14px;right:14px}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 26px;border-radius:12px;font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.18s;text-decoration:none}
.btn-primary{background:var(--edge);color:#fff}
.btn-primary:hover{background:#229954;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(39,174,96,.5)}
.btn-secondary{background:var(--secondary);color:#fff}
.btn-secondary:hover{background:#25739f;color:#fff}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--edge);color:var(--edge)}
.btn-lg{padding:14px 34px;font-size:1.05rem}
.btn svg{width:18px;height:18px}

/* ---- 通用卡片 ---- */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.18s}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#c8e8d5}

/* ========= 顶部导航 ========= */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:28px}
.nav-logo{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--primary);font-size:1.1rem;letter-spacing:.5px}
.nav-logo:hover{color:var(--primary)}
.nav-logo img{height:34px;width:auto}
.nav-logo .mark{display:none} /* 文字 logo：图够清晰时可不显 */
.nav-items{display:flex;gap:26px;align-items:center;margin-left:14px}
.nav-items a{color:#445664;font-weight:500;font-size:.95rem;padding:6px 2px;position:relative}
.nav-items a:hover{color:var(--edge)}
.nav-items a.active{color:var(--edge)}
.nav-items a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--edge);border-radius:2px}
.nav-acts{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;color:#5d6e7e;border:1px solid transparent}
.nav-icon:hover{background:var(--bg-soft);color:var(--edge);border-color:var(--border)}
.nav-icon svg{width:20px;height:20px}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:10px;width:40px;height:40px;cursor:pointer;color:var(--primary);margin-left:auto}
.nav-toggle svg{width:22px;height:22px}

/* ========= Hero ========= */
.hero{position:relative;padding:80px 0 64px;background:
   radial-gradient(circle at 15% 20%,rgba(39,174,96,.10),transparent 42%),
   radial-gradient(circle at 85% 15%,rgba(41,128,185,.10),transparent 42%),
   var(--bg-soft)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-eyebrow{margin-bottom:18px}
.hero h1{font-size:3rem;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.hero .lead{font-size:1.15rem;color:#445664;max-width:540px;margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.trust-tagline{display:flex;gap:26px;flex-wrap:wrap;font-weight:600;color:var(--primary);font-size:.95rem}
.trust-tagline span{display:inline-flex;align-items:center;gap:7px}
.trust-tagline svg{width:18px;height:18px;color:var(--edge)}
.hero-visual{display:flex;justify-content:center}
.hero-visual .glow{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-lg);max-width:460px}
.hero-visual img{width:100%;height:auto}

/* ========= 产品矩阵 ========= */
.product-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px}
.product-main{background:linear-gradient(135deg,#1a252f,#243846);color:#fff;border:none;padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:280px}
.product-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.product-main h3{color:#fff;font-size:1.5rem}
.product-main p{color:#c8d4e0}
.product-main .pm-cta{color:#7ee2a0;font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:18px}
.product-card{position:relative;padding:26px;display:flex;flex-direction:column;gap:8px}
.product-card .pc-icon{width:46px;height:46px;border-radius:12px;background:#eaf6ee;color:var(--edge);display:flex;align-items:center;justify-content:center;margin-bottom:6px}
.product-card .pc-icon svg{width:24px;height:24px}
.product-card h4{font-size:1.15rem;color:var(--primary)}
.product-card p{color:var(--muted);font-size:.9rem}
.product-card.coming{opacity:.92}
.product-card.coming:hover{border-color:#f3d4b0}

/* ========= 项目卡 ========= */
.project-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.project-card{position:relative;overflow:hidden}
.project-card .pj-icon{width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,var(--edge),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.project-card .pj-icon svg{width:26px;height:26px}
.project-card h4{font-size:1.1rem;margin-bottom:2px}
.project-card .pj-en{font-size:.78rem;color:var(--secondary);font-weight:600;margin-bottom:8px}
.project-card p{color:var(--muted);font-size:.88rem}
.project-card .pj-go{margin-top:14px;color:var(--edge);font-weight:600;font-size:.88rem;display:inline-flex;align-items:center;gap:4px}

/* ========= 能力 tab ========= */
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:34px;flex-wrap:wrap}
.tab-btn{padding:9px 22px;border-radius:30px;border:1px solid var(--border);background:#fff;color:#445664;font-weight:600;cursor:pointer;font-size:.92rem;font-family:inherit;transition:.15s}
.tab-btn:hover{border-color:var(--edge);color:var(--edge)}
.tab-btn.active{background:var(--edge);color:#fff;border-color:var(--edge)}
.tab-panel{display:none;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.tab-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tab-panel h3{font-size:1.5rem;margin-bottom:10px}
.tab-panel p{color:#445664;margin-bottom:16px}
.tab-panel ul{list-style:none}
.tab-panel li{padding:7px 0;display:flex;gap:10px;align-items:flex-start;color:#445664}
.tab-panel li svg{width:18px;height:18px;color:var(--edge);margin-top:3px;flex-shrink:0}
.tab-visual{background:var(--bg-soft);border-radius:var(--radius);min-height:220px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);color:var(--muted);font-size:.85rem}

/* ========= 网志摘要 ========= */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.blog-card{display:flex;flex-direction:column;gap:8px}
.blog-card .bc-cat{font-size:.75rem;font-weight:600;color:var(--secondary)}
.blog-card h4{font-size:1.05rem;color:var(--primary)}
.blog-card p{color:var(--muted);font-size:.88rem;flex-grow:1}
.blog-card .bc-more{color:var(--edge);font-weight:600;font-size:.85rem}

/* ========= CTA band ========= */
.cta-band{background:linear-gradient(135deg,var(--edge),var(--secondary));color:#fff;border-radius:var(--radius-lg);padding:56px 48px;text-align:center}
.cta-band h2{color:#fff;font-size:2rem;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.92);margin-bottom:24px}
.cta-band .btn-primary{background:#fff;color:var(--edge)}
.cta-band .btn-primary:hover{background:#f0f7f2;color:var(--edge)}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.cta-band .btn-ghost:hover{border-color:#fff;color:#fff}

/* ========= 页脚 ========= */
.site-foot{background:var(--primary);color:#aebcc7;padding:56px 0 28px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:36px}
.foot-brand .nav-logo{color:#fff;margin-bottom:12px}
.foot-brand p{font-size:.85rem;color:#8a9aab;max-width:260px}
.foot-col h5{color:#fff;font-size:.9rem;margin-bottom:14px;font-weight:700}
.foot-col a{display:block;color:#aebcc7;font-size:.85rem;padding:5px 0}
.foot-col a:hover{color:var(--edge)}
.foot-qr{display:flex;gap:14px;margin-top:6px}
.foot-qr .qr{width:84px;height:84px;background:#243846;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.7rem;color:#7e8e9e;text-align:center}
.foot-bottom{border-top:1px solid #2c3a48;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:#7e8e9e}
.foot-bottom a{color:#9aabb6}
.foot-bottom a:hover{color:var(--edge)}

/* ========= 通用页头（内页） ========= */
.page-head{background:var(--bg-soft);padding:56px 0 40px;border-bottom:1px solid var(--border)}
.page-head h1{font-size:2.2rem;margin-bottom:8px}
.page-head p{color:var(--muted);font-size:1.02rem}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--edge)}

/* ========= 文档/支持 列表 ========= */
.doc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.doc-item{display:flex;gap:14px;align-items:flex-start;padding:20px}
.doc-item .di-icon{width:40px;height:40px;border-radius:10px;background:#eaf2fb;color:var(--secondary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.doc-item h4{font-size:1rem;color:var(--primary);margin-bottom:2px}
.doc-item p{font-size:.85rem;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr;gap:12px;max-width:820px;margin:0 auto}
.faq-item{padding:20px 24px}
.faq-item h4{font-size:1rem;color:var(--primary);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.faq-item h4 svg{width:18px;height:18px;color:var(--edge);flex-shrink:0}
.faq-item p{color:#445664;font-size:.92rem}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.contact-grid .card{padding:32px 20px}
.contact-grid .ci-icon{width:52px;height:52px;border-radius:14px;background:#eaf6ee;color:var(--edge);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.contact-grid h4{color:var(--primary);margin-bottom:4px}
.contact-grid p{color:var(--muted);font-size:.9rem}
.contact-grid a{color:var(--secondary);font-weight:600}

/* ========= 项目页 ========= */
.proj-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:48px}
.proj-detail .pj-icon{width:64px;height:64px;border-radius:18px;background:linear-gradient(135deg,var(--edge),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.proj-detail h2{font-size:1.8rem;margin-bottom:4px}
.proj-detail .pj-en{color:var(--secondary);font-weight:600;margin-bottom:14px}
.proj-detail p{color:#445664;margin-bottom:16px}
.proj-visual{background:var(--bg-soft);border-radius:var(--radius-lg);min-height:280px;border:1px dashed var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted)}

/* ========= 产品页（绿蓝版，结构沿用原 3510服务产品.html） ========= */
.pwrap{max-width:1180px;margin:0 auto;padding:40px 24px 60px}
.phero{text-align:center;padding:48px 24px 40px;background:linear-gradient(135deg,#f3faf6,#eaf2fb);border-radius:var(--radius-lg);margin-bottom:48px}
.phero h1{font-size:2.8rem;background:linear-gradient(135deg,var(--edge),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.phero .sub-en{color:var(--secondary);font-weight:600;margin-bottom:12px}
.phero p{color:#445664;max-width:680px;margin:0 auto}
.pcard-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px}
.pcard{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.2s}
.pcard:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#c8e8d5}
.pcard-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.pcard-icon{font-size:2.2rem;color:var(--edge);background:#eaf6ee;width:60px;height:60px;display:flex;align-items:center;justify-content:center;border-radius:14px}
.pcard-type{font-size:.8rem;font-weight:700;color:var(--secondary);background:#eaf2fb;padding:4px 12px;border-radius:20px}
.pcard-title{font-size:1.6rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.pprice{margin-bottom:14px;padding:12px 16px;background:#f3faf6;border-radius:16px;display:inline-block;border-left:4px solid var(--edge)}
.pprice .price{font-size:2rem;font-weight:800;color:var(--primary)}
.pprice .price small{font-size:.9rem;font-weight:400;color:var(--muted)}
.pfeat{list-style:none;margin:8px 0 14px;flex-grow:1}
.pfeat li{padding:7px 0;border-bottom:1px solid #edf2f6;display:flex;gap:10px;align-items:flex-start;font-weight:500;color:#445664}
.pfeat li:last-child{border-bottom:none}
.pfeat li svg{color:var(--edge);width:18px;height:18px;margin-top:3px;flex-shrink:0}
.pterms{margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 22px}
.pterms .imp{color:#c05a3e;font-weight:600}
/* 雾机深色主卡 */
.fog-card{grid-column:1/-1;background:linear-gradient(135deg,#1a252f,#243846);color:#dbe6ef;border-radius:var(--radius-lg);padding:40px;border:1px solid rgba(126,226,160,.2);box-shadow:var(--shadow-lg)}
.fog-card .pcard-icon{background:rgba(126,226,160,.12);color:#7ee2a0}
.fog-card .pcard-type{background:rgba(126,226,160,.12);color:#7ee2a0}
.fog-card .pcard-title{color:#fff}
.fog-card .pprice{background:rgba(255,255,255,.06);border-left-color:#7ee2a0}
.fog-card .pprice .price{color:#fff}
.fog-card .pprice .price small{color:#a9bcd0}
.fog-guarantees{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0 10px}
.guarantee{background:rgba(255,255,255,.05);border-radius:16px;padding:22px 18px;text-align:center;border:1px solid rgba(255,255,255,.07)}
.guarantee .g-icon{font-size:2.4rem;color:#7ee2a0;margin-bottom:8px}
.guarantee h4{font-size:1.2rem;color:#fff;margin-bottom:4px}
.guarantee p{color:#a9bcd0;font-size:.88rem}
.guarantee .sub{font-size:.76rem;opacity:.7;margin-top:6px}
.fog-card .pterms{border-top-color:rgba(255,255,255,.15);color:#9fb3c5}
.fog-card .pterms .imp{color:#f3b8a8}
/* 对比表 */
.pcompare{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;margin-bottom:48px;box-shadow:var(--shadow)}
.pcompare table{width:100%;border-collapse:collapse;font-size:.92rem;margin-top:12px}
.pcompare th{background:#f3faf6;color:var(--primary);font-weight:700;padding:12px 10px;border-bottom:2px solid var(--border)}
.pcompare td{padding:11px 10px;border-bottom:1px solid #eef2f6;text-align:center;color:#3a4d62}
.pcompare td:first-child,.pcompare th:first-child{text-align:left}
.pcompare .ck{color:var(--edge);font-weight:700}
.pcompare .cx{color:#b8c2cc}
/* 核心优势 */
.padv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:48px}
.padv{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 18px;text-align:center;box-shadow:var(--shadow)}
.padv .a-icon{font-size:2.2rem;color:var(--edge);margin-bottom:8px}
.padv h4{font-size:1.05rem;color:var(--primary)}
.padv p{font-size:.88rem;color:var(--muted);margin-top:2px}
/* 购买流程 */
.psteps{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;margin-bottom:48px;gap:14px}
.pstep{display:flex;align-items:center;gap:10px;flex:1;min-width:130px}
.pstep .num{width:40px;height:40px;background:var(--edge);color:#fff;border-radius:30px;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.pstep .stxt{font-weight:600;color:var(--primary);font-size:.92rem}
.pstep .stxt small{display:block;font-weight:400;color:var(--muted);font-size:.76rem}
.parrow{color:var(--accent);font-size:1.5rem}

/* ========= 文章正文（网志 / 文档长文） ========= */
.article{max-width:820px;margin:0 auto;font-size:1.02rem;color:var(--text)}
.article h2{font-size:1.4rem;margin:36px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--bg-dot)}
.article h3{font-size:1.15rem;margin:26px 0 10px}
.article h4{font-size:1rem;margin:18px 0 8px}
.article p{margin:12px 0;color:#3a4d62}
.article ul,.article ol{margin:12px 0 12px 4px;padding-left:22px}
.article li{margin:7px 0;color:#3a4d62}
.article strong{color:var(--primary)}
.article a{font-weight:500}
.article code{background:var(--bg-dot);padding:2px 7px;border-radius:6px;font-size:.9em;color:var(--primary)}
.article table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.94rem;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.article th{background:#f3faf6;color:var(--primary);font-weight:700;padding:12px 14px;text-align:left;border-bottom:2px solid var(--border)}
.article td{padding:11px 14px;border-bottom:1px solid #eef2f6;color:#3a4d62;vertical-align:top}
.article tr:last-child td{border-bottom:none}
.article .note{background:#f6f9fc;border:1px solid var(--border);border-left:4px solid var(--secondary);border-radius:12px;padding:16px 20px;margin:20px 0}
.article .note strong{color:var(--secondary)}
.article .note.warn{border-left-color:var(--accent)}
.article .note.warn strong{color:var(--accent)}
.article-meta{margin-top:14px;font-size:.85rem;color:var(--muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.article-foot{max-width:820px;margin:40px auto 0;padding-top:22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.9rem}
.article-foot a{font-weight:600}
.back-topic{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:600;font-size:.88rem}
.back-topic:hover{color:var(--edge)}

/* ========= 响应式 ========= */
@media(max-width:1024px){
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .product-grid{grid-template-columns:1fr 1fr}
  .product-main{grid-column:1/-1}
  .project-grid{grid-template-columns:1fr 1fr}
  .blog-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr 1fr}
  .tab-panel.active{grid-template-columns:1fr}
}
@media(max-width:760px){
  section{padding:44px 0}
  .nav-items,.nav-acts .btn{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-items.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:16px 24px;gap:14px}
  .nav-items.open a{width:100%;padding:8px 0}
  .hero h1{font-size:2.2rem}
  .hero .lead{font-size:1rem}
  .product-grid,.project-grid,.blog-grid,.doc-list,.contact-grid,.pcard-grid,.padv-grid,.fog-guarantees{grid-template-columns:1fr}
  .product-main{grid-column:auto}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section-title{font-size:1.4rem}
  .phero h1{font-size:2rem}
  .psteps{flex-direction:column;align-items:stretch}
  .parrow{transform:rotate(90deg);text-align:center}
  .proj-detail{grid-template-columns:1fr}
  .article{font-size:1rem}
  .article h2{font-size:1.25rem}
  .article table{font-size:.86rem;display:block;overflow-x:auto;white-space:nowrap}
  .article th,.article td{padding:9px 10px}
}
@media(max-width:480px){
  .foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
}