/* =========================================================
   欧拉智能排程 - 全新增强样式表（不改动原 style.css）
   作用：提升排版质感、强化模块视觉、增强可读性
   依赖：css/style.css（先加载） + 本文件
   ========================================================= */
@charset "utf-8";

:root{
  --brand:#0089c8;          /* 主色：科技蓝 */
  --brand-dark:#0066b3;
  --brand-light:#e6f6f9;
  --brand-teal:#00a4b5;
  --accent:#f5a623;         /* 强调橙 */
  --ink:#1f2432;            /* 标题色 */
  --text:#444;              /* 正文色 */
  --muted:#888;             /* 辅助色 */
  --line:#e8e8e8;
  --bg-soft:#f5f7fa;
  --radius:10px;
  --shadow:0 6px 24px rgba(20,40,80,.08);
}

/* ---------- 修正页头：logo 左浮、菜单右浮，避免菜单被挤出 60px 被 iframe 裁切 ---------- */
header{ background:#fff; height:84px; border-bottom:1px solid #ececec; color:#333; }
.header-logo{ float:left; width:500px; height:80px; margin-top:2px;
  background-image:url(../images/header_logo.png); background-repeat:no-repeat;
  background-size:contain; background-position:left center; }
.header-menu{ float:right; }
.header-menu ul li{ padding:30px 10px; }
.header-menu ul li a{ color:#333; }
.header-menu ul li a:hover{ color:var(--brand); }
.header-menu ul li:active{ border-bottom:2px solid var(--brand); color:var(--brand); }
.header-menu .menu-on{ display:block; height:auto; border-bottom:3px solid var(--brand); color:var(--brand); }

/* ---------- 通用容器（脱离原 1400 固定宽度，更现代居中） ---------- */
.wrap{ max-width:1200px; margin:0 auto; padding:0 20px; }
.section{ padding:70px 0; }
.section.soft{ background:var(--bg-soft); }
.section.blue{ background:linear-gradient(135deg,#0089c8,#0066b3); color:#fff; }
.section.blue .sec-tit,
.section.blue .sec-sub{ color:#fff; }
.sec-tit{ text-align:center; font-size:32px; font-weight:bold; color:var(--ink); padding-bottom:12px; letter-spacing:1px;}
.sec-sub{ text-align:center; font-size:16px; color:var(--muted); padding-bottom:40px; }
.sec-tit .hl{ color:var(--brand); }

/* ---------- 面包屑 ---------- */
.breadcrumb{ max-width:1200px; margin:0 auto; padding:16px 20px 0; font-size:14px; color:var(--muted);}
.breadcrumb a{ color:var(--muted);}
.breadcrumb a:hover{ color:var(--brand);}
.breadcrumb span{ margin:0 8px; color:#ccc;}

/* ---------- 首页主视觉 Hero（替换原静态 banner） ---------- */
.hero{ position:relative; min-height:520px; background:linear-gradient(120deg,#0a3550 0%,#0089c8 55%,#00b3c4 100%); color:#fff; overflow:hidden;}
.hero::after{ content:""; position:absolute; right:-120px; top:-120px; width:520px; height:520px; border-radius:50%; background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);}
.hero-inner{ position:relative; z-index:2; max-width:1200px; margin:0 auto; padding:96px 20px 80px;}
.hero-title{ font-size:46px; font-weight:bold; line-height:1.25; letter-spacing:1px;}
.hero-title .hl{ color:#ffd166;}
.hero-sub{ font-size:19px; line-height:1.9; color:#d6e8fb; margin-top:20px; max-width:760px;}
.hero-tags{ margin-top:26px;}
.hero-tags .tag{ display:inline-block; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.28); color:#fff; padding:6px 14px; border-radius:30px; font-size:14px; margin:0 10px 10px 0;}
.hero-cta{ margin-top:34px;}
.hero-cta a{ display:inline-block; padding:14px 38px; border-radius:40px; font-size:17px; font-weight:bold; margin-right:14px; text-decoration:none; transition:.2s;}
.btn-primary{ background:#ffd166; color:#1f2432;}
.btn-primary:hover{ background:#ffc43d; transform:translateY(-2px);}
.btn-ghost{ background:transparent; border:1px solid #fff; color:#fff;}
.btn-ghost:hover{ background:rgba(255,255,255,.12);}
.hero-stat{ margin-top:48px; display:flex; gap:46px; flex-wrap:wrap;}
.hero-stat .num{ font-size:34px; font-weight:bold; color:#ffd166;}
.hero-stat .lab{ font-size:14px; color:#cfe3f7;}
.hero-float{ position:absolute; right:6%; top:50%; transform:translateY(-50%); width:360px; background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.2); border-radius:14px; padding:22px; backdrop-filter:blur(4px); z-index:2;}
.hero-float h4{ font-size:16px; margin-bottom:14px; color:#ffd166;}
.hero-float ul li{ font-size:14px; line-height:2; color:#e6f1fb; padding-left:18px; position:relative;}
.hero-float ul li::before{ content:""; position:absolute; left:0; top:12px; width:7px; height:7px; border-radius:50%; background:var(--accent);}

/* ---------- 核心能力卡片网格 ---------- */
.feature-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
.feature-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px 24px; text-align:center; transition:.2s;}
.feature-card:hover{ border-color:var(--brand); box-shadow:var(--shadow); transform:translateY(-4px);}
.feature-card .ic{ width:74px; height:74px; margin:0 auto 16px;}
.feature-card .ic img{ width:100%; height:100%;}
.feature-card h3{ font-size:19px; color:var(--ink); margin-bottom:10px;}
.feature-card p{ font-size:14px; color:var(--muted); line-height:1.7;}

/* ---------- 痛点对比 ---------- */
.pain-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px;}
.pain-card{ border-radius:var(--radius); padding:30px; }
.pain-card.bad{ background:#fff4f1; border:1px solid #ffd9cf;}
.pain-card.good{ background:#eef8f1; border:1px solid #cdeed6;}
.pain-card h3{ font-size:20px; margin-bottom:18px; display:flex; align-items:center;}
.pain-card.bad h3{ color:#d9543b;}
.pain-card.good h3{ color:#1f9d57;}
.pain-card h3 .badge{ display:inline-block; font-size:13px; padding:3px 10px; border-radius:20px; margin-right:10px; color:#fff;}
.pain-card.bad .badge{ background:#d9543b;}
.pain-card.good .badge{ background:#1f9d57;}
.pain-card ul li{ font-size:15px; line-height:1.95; color:var(--text); padding-left:20px; position:relative;}
.pain-card ul li::before{ content:""; position:absolute; left:0; top:11px; width:7px; height:7px; border-radius:50%; background:#bbb;}
.pain-card.good ul li::before{ background:#1f9d57;}

/* ---------- 产品模块交替行（在 content2-tb 基础上强化） ---------- */
.module-row{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; padding:32px 0; border-bottom:1px dashed var(--line);}
.module-row:last-child{ border-bottom:none;}
.module-row .m-img img{ width:100%; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow);}
.module-row .m-txt h3{ font-size:24px; color:var(--ink); margin-bottom:8px;}
.module-row .m-txt .m-no{ display:inline-block; width:34px; height:34px; line-height:34px; text-align:center; background:var(--brand); color:#fff; border-radius:8px; font-weight:bold; margin-right:10px;}
.module-row .m-txt p{ font-size:15px; color:var(--muted); line-height:1.9; margin-bottom:14px;}
.module-row .m-txt ul li{ font-size:15px; color:var(--text); line-height:1.9; padding-left:20px; position:relative;}
.module-row .m-txt ul li::before{ content:""; position:absolute; left:0; top:11px; width:7px; height:7px; border-radius:3px; background:var(--brand);}

/* ---------- 铝轧专属能力四宫格 ---------- */
.pillars{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
.pillar{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px 28px; transition:.2s;}
.pillar:hover{ box-shadow:var(--shadow); border-color:var(--brand);}
.pillar h3{ font-size:20px; color:var(--brand); margin-bottom:16px;}
.pillar ul li{ font-size:15px; color:var(--text); line-height:2; padding-left:20px; position:relative;}
.pillar ul li::before{ content:""; position:absolute; left:0; top:12px; width:7px; height:7px; border-radius:50%; background:var(--accent);}

/* ---------- 适用场景卡（复用 scene，但统一宽度） ---------- */
.scene-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
.scene-grid .scene-cnt{ height:auto; }
.scene-grid .scene-cnt h3{ color:var(--brand);}

/* ---------- 实施路径步骤 ---------- */
.step-wrap{ display:grid; grid-template-columns:repeat(5,1fr); gap:16px; counter-reset:step;}
.step{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px 20px; position:relative;}
.step .s-no{ width:40px; height:40px; line-height:40px; text-align:center; border-radius:50%; background:var(--brand-light); color:var(--brand); font-weight:bold; font-size:18px; margin-bottom:14px;}
.step h4{ font-size:17px; color:var(--ink); margin-bottom:8px;}
.step p{ font-size:14px; color:var(--muted); line-height:1.8;}

/* ---------- 回报数据 ---------- */
.roi-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; text-align:center;}
.roi-card{ background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.22); border-radius:var(--radius); padding:34px 18px;}
.roi-card .num{ font-size:42px; font-weight:bold; color:#ffd166;}
.roi-card .lab{ font-size:15px; color:#dcebfb; margin-top:8px; line-height:1.6;}

/* ---------- 选型清单 / 资源引导 ---------- */
.check-list{ max-width:880px; margin:0 auto; background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:34px 40px; box-shadow:var(--shadow);}
.check-list li{ font-size:16px; color:var(--text); line-height:2.1; padding-left:26px; position:relative;}
.check-list li::before{ content:"✓"; position:absolute; left:0; top:0; color:#1f9d57; font-weight:bold;}

.resource-list{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.resource-item{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:28px 24px; transition:.2s;}
.resource-item:hover{ border-color:var(--brand); box-shadow:var(--shadow); transform:translateY(-3px);}
.resource-item h3{ font-size:18px; color:var(--ink); margin-bottom:10px;}
.resource-item p{ font-size:14px; color:var(--muted); line-height:1.8; margin-bottom:14px;}
.resource-item a{ color:var(--brand); font-weight:bold; font-size:14px;}

/* ---------- CTA 横幅 ---------- */
.cta-band{ background:linear-gradient(135deg,#0089c8,#0066b3); color:#fff; text-align:center; padding:54px 20px;}
.cta-band h2{ font-size:28px; margin-bottom:14px;}
.cta-band p{ font-size:16px; color:#cfe3f7; margin-bottom:26px;}
.cta-band a{ display:inline-block; padding:14px 40px; border-radius:40px; background:#ffd166; color:#1f2432; font-weight:bold; font-size:17px; text-decoration:none;}
.cta-band a:hover{ background:#ffc43d;}

/* ---------- 客户案例 ---------- */
.case-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
.case-card .case-cnt{ border:1px solid var(--line); border-left:4px solid var(--brand); border-radius:var(--radius); background:#fff; padding:30px; height:100%; transition:.2s;}
.case-card .case-cnt:hover{ border-color:var(--brand); box-shadow:var(--shadow); transform:translateY(-3px);}
.case-card .case-cnt h3{ color:var(--brand); font-size:20px; margin-bottom:14px; padding-bottom:14px; border-bottom:1px solid var(--line);}
.case-card .case-cnt .case-tag{ display:inline-block; background:var(--brand-light); color:var(--brand); border-radius:4px; font-size:13px; padding:3px 10px; margin:0 8px 14px 0;}
.case-card .case-cnt .row{ display:flex; gap:12px; align-items:flex-start; padding-bottom:12px;}
.case-card .case-cnt .row b{ color:var(--brand-dark); min-width:84px; display:inline-block; font-weight:bold;}
.case-card .case-cnt .row span{ color:var(--text); line-height:1.85;}

/* ---------- 资讯中心文章 ---------- */
.news-toolbar{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-bottom:30px;}
.news-toolbar .tag{ display:inline-block; padding:7px 18px; border:1px solid var(--line); border-radius:30px; font-size:14px; color:var(--muted); background:#fff; cursor:pointer;}
.news-toolbar .tag.on, .news-toolbar .tag:hover{ background:var(--brand); color:#fff; border-color:var(--brand);}
.news-item{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px 34px; margin-bottom:22px; transition:.2s;}
.news-item:hover{ box-shadow:var(--shadow); border-color:var(--brand);}
.news-item h2{ font-size:22px; line-height:1.5; padding-bottom:10px;}
.news-item h2 a{ color:var(--ink);}
.news-item h2 a:hover{ color:var(--brand);}
.news-item .news-meta{ font-size:13px; color:var(--muted); padding-bottom:14px;}
.news-item .news-meta .cat{ display:inline-block; background:var(--brand-light); color:var(--brand); border-radius:4px; padding:2px 10px; margin-right:12px; font-size:12px;}
.news-item p{ line-height:1.95; font-size:16px; color:var(--text); text-indent:2em;}
.news-item .read{ display:inline-block; margin-top:14px; color:var(--brand); font-weight:bold; font-size:14px;}

/* ---------- 关于我们 ---------- */
.about-hero{ display:grid; grid-template-columns:1.4fr 1fr; gap:40px; align-items:center;}
.about-hero p{ font-size:16px; line-height:2; color:var(--text); text-indent:2em; margin-bottom:16px;}
.about-hero .pic img{ width:100%; border-radius:var(--radius); box-shadow:var(--shadow);}
.adv-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; text-align:center; margin-top:10px;}
.adv-grid .adv{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px 14px;}
.adv-grid .adv img{ width:64px; height:64px; margin-bottom:12px;}
.adv-grid .adv div{ font-size:15px; color:var(--ink);}
.contact-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:10px;}
.contact-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px; text-align:center;}
.contact-card h3{ font-size:18px; color:var(--brand); margin-bottom:12px;}
.contact-card p{ font-size:15px; color:var(--text); line-height:1.9;}

/* ---------- 页脚增强 ---------- */
.footer-enh{ background:#222a38; color:#cfd6e0; padding:50px 0 0;}
.footer-enh .cols{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr .9fr; gap:30px; }
.footer-enh .f-col h4{ font-size:16px; color:#fff; margin-bottom:18px; padding-bottom:10px; border-bottom:1px solid #36405a;}
.footer-enh .f-col a{ display:block; color:#aeb8c7; font-size:14px; line-height:2.1;}
.footer-enh .f-col a:hover{ color:var(--brand);}
.footer-enh .f-about p{ font-size:14px; line-height:1.9; color:#9aa6b8;}
.footer-enh .f-qr{ text-align:center;}
.footer-enh .f-qr img{ width:120px; border-radius:8px; background:#fff; padding:6px;}
.footer-enh .f-qr p{ font-size:13px; color:#9aa6b8; margin-top:8px;}
.footer-enh .f-bottom{ text-align:center; font-size:13px; color:#8b96a8; padding:24px 0; margin-top:30px; border-top:1px solid #36405a; line-height:1.9;}

/* ---------- 底部页间导航（利于爬虫与用户） ---------- */
.bottom-nav{ background:var(--bg-soft); border-top:1px solid var(--line); padding:26px 0;}
.bottom-nav .bn-inner{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px; max-width:1200px; margin:0 auto; padding:0 20px;}
.bottom-nav a{ color:var(--text); font-size:14px;}
.bottom-nav a:hover{ color:var(--brand);}
.bottom-nav .bn-prev::before{ content:"← "; color:var(--muted);}
.bottom-nav .bn-next::after{ content:" →"; color:var(--muted);}

/* ---------- 响应式（小屏友好，不影响原桌面布局） ---------- */
@media (max-width:1100px){
  .feature-grid,.scene-grid,.roi-grid,.resource-list{ grid-template-columns:repeat(2,1fr);}
  .pillars,.pain-grid,.case-grid,.module-row,.contact-grid,.about-hero{ grid-template-columns:1fr;}
  .adv-grid{ grid-template-columns:repeat(2,1fr);}
  .hero-float{ display:none;}
  .footer-enh .cols{ grid-template-columns:1fr 1fr;}
  .hero-title{ font-size:34px;}
  .step-wrap{ grid-template-columns:1fr 1fr;}
}
@media (max-width:680px){
  .feature-grid,.scene-grid,.roi-grid,.resource-list,.adv-grid,.step-wrap{ grid-template-columns:1fr;}
  .footer-enh .cols{ grid-template-columns:1fr;}
  .hero-title{ font-size:28px;}
}