/*
 Theme Name: 安全361
 Theme URI: https://www.anquan361.com
 Description: 安全361企业官网主题 - 简洁大厂风格，单页滚动展示安全生产教育培训与项目咨询辅导。
 Version: 1.0.0
 Author: WorkBuddy
 Author URI: https://www.anquan361.com
 License: MIT
 Text Domain: anquan361
 */

:root{
  --c-primary:#0D3B66;
  --c-primary-d:#0A2A4D;
  --c-blue:#1A6FB0;
  --c-accent:#FF6B35;
  --c-red:#E63946;
  --c-bg:#F5F8FC;
  --c-white:#FFFFFF;
  --c-text:#1F2D3D;
  --c-muted:#5B6B7B;

  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(13,59,102,.08);
  --shadow-hover:0 18px 44px rgba(13,59,102,.16);
  --maxw:1180px;
  --gap:24px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--c-primary)}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:600;font-size:15px;
  padding:12px 26px;border-radius:50px;border:1.5px solid transparent;
  cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-lg{padding:15px 34px;font-size:16px}
.btn-block{width:100%;padding:14px}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.30)}
.btn-accent:hover{background:#ff5a1f;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,53,.40)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px)}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:.3s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(13,59,102,.08);border-bottom-color:rgba(13,59,102,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--c-primary);letter-spacing:.5px}
.brand-accent{color:var(--c-accent)}
.nav-links{display:flex;gap:30px;margin-left:auto;margin-right:26px}
.nav-links a{font-size:15px;color:var(--c-text);font-weight:500;position:relative;padding:6px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-accent);transition:width .25s}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{width:100%}
.nav-cta{padding:9px 20px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--c-primary);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;padding:160px 0 0;background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-d) 100%);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(700px 500px at 80% 10%,rgba(255,107,53,.16),transparent 60%),
  radial-gradient(600px 500px at 10% 90%,rgba(26,111,176,.30),transparent 60%);
}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px;opacity:.5}
.hero-inner{position:relative;text-align:center;padding-bottom:70px}
.hero-eyebrow{display:inline-block;letter-spacing:3px;font-size:13px;font-weight:600;color:#ffd9c7;padding:7px 18px;border:1px solid rgba(255,255,255,.25);border-radius:50px;margin-bottom:26px}
.hero-title{font-size:54px;font-weight:800;letter-spacing:1px;margin-bottom:20px;color:#fff}
.hero-title .hl{color:var(--c-accent)}
.hero-lead{font-size:22px;font-weight:500;color:#eaf2fb;margin-bottom:14px}
.hero-sub{font-size:16px;color:#b9cbe0;max-width:680px;margin:0 auto 36px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 核心数据 */
.stats{position:relative;margin-top:10px;transform:translateY(50%);display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:#fff;border-radius:var(--radius);padding:30px 18px;text-align:center;box-shadow:var(--shadow)}
.stat-num{font-size:40px;font-weight:800;color:var(--c-accent);line-height:1}
.stat-label{font-size:15px;color:var(--c-muted);margin-top:10px}

/* ===== 通用区块 ===== */
.section{padding:130px 0 90px}
.section-alt{background:#fff}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c-accent);margin-bottom:12px}
.section-title{font-size:34px;position:relative;display:inline-block;padding-bottom:14px}
.section-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:48px;height:3px;background:var(--c-accent);border-radius:3px}
.section-sub{font-size:16px;color:var(--c-muted);margin-top:16px}

/* ===== 关于我们 ===== */
.about-grid{display:grid;grid-template-columns:1.05fr 1.25fr;gap:48px;align-items:start}
.about-text p{margin-bottom:18px;color:var(--c-text)}
.about-text strong{color:var(--c-accent)}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pillar{background:#fff;border:1px solid rgba(13,59,102,.06);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.25s}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.pillar-ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(26,111,176,.12);color:var(--c-blue);margin-bottom:14px}
.pillar h3{font-size:17px;margin-bottom:8px;color:var(--c-primary)}
.pillar p{font-size:14px;color:var(--c-muted);line-height:1.65}

/* ===== 业务板块 ===== */
.sub-block{margin-bottom:64px}
.sub-block:last-child{margin-bottom:0}
.sub-head{display:flex;align-items:center;gap:18px;margin-bottom:32px;flex-wrap:wrap}
.sub-no{font-size:30px;font-weight:800;color:rgba(13,59,102,.16)}
.sub-head h3{font-size:26px;color:var(--c-primary)}
.sub-head p{font-size:14px;color:var(--c-muted);width:100%}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid rgba(13,59,102,.06);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--c-accent);transition:width .3s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.card:hover::before{width:100%}
.card-no{font-size:13px;font-weight:700;color:var(--c-blue);letter-spacing:1px}
.card h4{font-size:18px;margin:8px 0 10px;color:var(--c-primary)}
.card p{font-size:14px;color:var(--c-muted);line-height:1.65}

/* ===== 服务行业 ===== */
.tags{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.tag{background:#fff;border:1px solid rgba(13,59,102,.10);color:var(--c-text);font-size:15px;padding:11px 22px;border-radius:50px;box-shadow:var(--shadow);transition:.2s}
.tag:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-3px)}

/* ===== 成功案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:#fff;border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);border-top:3px solid var(--c-blue);transition:.25s}
.case:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-top-color:var(--c-accent)}
.case-badge{display:inline-block;font-size:12px;font-weight:700;color:var(--c-blue);background:rgba(26,111,176,.10);padding:5px 12px;border-radius:50px;margin-bottom:14px}
.case h4{font-size:18px;color:var(--c-primary);margin-bottom:10px}
.case p{font-size:14px;color:var(--c-muted);line-height:1.7}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:18px}
.office{display:flex;gap:16px;align-items:flex-start;background:#fff;border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.office-ico{width:46px;height:46px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(26,111,176,.12);color:var(--c-blue)}
.office h4{font-size:16px;color:var(--c-primary);margin-bottom:4px}
.office p{font-size:14px;color:var(--c-muted)}

.contact-form{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:8px}
.req{color:var(--c-accent)}
.opt{color:var(--c-muted);font-weight:400}
.field input,.field select,.field textarea{
  width:100%;font-size:15px;font-family:inherit;color:var(--c-text);
  padding:12px 14px;border:1.5px solid #e2e9f1;border-radius:var(--radius-sm);background:#fbfdff;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-blue);background:#fff;box-shadow:0 0 0 3px rgba(26,111,176,.12)}
.field textarea{resize:vertical}
.form-note{font-size:12px;color:var(--c-muted);margin-top:12px}
.form-ok{font-size:14px;color:var(--c-blue);font-weight:600;margin-top:8px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-d);color:#cdd9e8;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-accent{color:var(--c-accent)}
.footer-slogan{font-size:14px;color:#aebfd4;line-height:1.8;max-width:420px}
.footer-tagline{font-size:13px;color:var(--c-accent);margin-top:14px;font-weight:600}
.footer-nav h5,.footer-contact h5{color:#fff;font-size:15px;margin-bottom:16px}
.footer-nav a{display:block;font-size:14px;color:#bccbe0;padding:6px 0;transition:.2s}
.footer-nav a:hover{color:#fff;padding-left:6px}
.footer-contact p{font-size:14px;color:#bccbe0;padding:5px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;font-size:12.5px;color:#92a4bb;text-align:center}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 10px 24px rgba(255,107,53,.40);opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;z-index:90}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:#ff5a1f}

/* ===== 滚动揭示 ===== */
.reveal{opacity:0;transform:translateY(30px);transition:.7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:980px){
  .stats{grid-template-columns:repeat(2,1fr);transform:translateY(40px)}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav-links{
    position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    padding:10px 24px 20px;box-shadow:0 12px 24px rgba(13,59,102,.10);
    transform:translateY(-120%);transition:.3s ease;margin:0;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid #eef2f7;width:100%}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:120px}
  .hero-title{font-size:34px}
  .hero-lead{font-size:18px}
  .stats{grid-template-columns:1fr 1fr;transform:translateY(30px);gap:14px}
  .stat{padding:22px 12px}
  .stat-num{font-size:30px}
  .section{padding:100px 0 70px}
  .section-title{font-size:26px}
  .card-grid,.case-grid,.pillars{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sub-head h3{font-size:22px}
}

/* ===== WordPress 后台编辑器微调 ===== */
.page-content{font-size:16px;color:var(--c-text);line-height:1.8}
.page-content p{margin-bottom:18px}

/* ===== 子页头部（资讯 / 工具箱） ===== */
.sub-hero{background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-d) 100%);color:#fff;padding:150px 0 60px;text-align:center}
.sub-hero .eyebrow{color:#ffd9c7;border:1px solid rgba(255,255,255,.25);padding:6px 16px;border-radius:50px;display:inline-block;margin-bottom:18px;letter-spacing:2px;font-size:13px;font-weight:700}
.sub-hero-title{font-size:42px;color:#fff;margin-bottom:14px}
.sub-hero-sub{font-size:17px;color:#b9cbe0;max-width:640px;margin:0 auto}

/* ===== 首页重点入口 ===== */
.gateway-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.gateway-card{background:#fff;border:1px solid rgba(13,59,102,.08);border-radius:var(--radius);padding:40px 34px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}
.gateway-card::before{content:"";position:absolute;top:0;left:0;height:4px;width:0;background:var(--c-accent);transition:width .3s}
.gateway-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.gateway-card:hover::before{width:100%}
.gateway-ico{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(26,111,176,.12);color:var(--c-blue);margin-bottom:18px}
.gateway-card h3{font-size:22px;color:var(--c-primary);margin-bottom:10px}
.gateway-card p{font-size:15px;color:var(--c-muted);line-height:1.7;margin-bottom:18px}
.gateway-go{font-weight:600;color:var(--c-accent)}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.news-thumb{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,#1A6FB0,#0D3B66);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-ph{width:100%;height:100%}
.news-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12.5px;color:var(--c-muted);margin-bottom:10px}
.news-title{font-size:18px;line-height:1.4;margin-bottom:10px}
.news-title a{color:var(--c-primary)}
.news-excerpt{font-size:14px;color:var(--c-muted);line-height:1.7;flex:1}
.news-more{margin-top:14px;font-weight:600;color:var(--c-accent);font-size:14px}
.empty-tip{text-align:center;color:var(--c-muted);font-size:15px;padding:40px 0}
.pager{margin-top:40px;text-align:center}
.pager a,.pager span{display:inline-block;margin:0 4px;padding:8px 14px;border-radius:8px;background:#fff;color:var(--c-primary);box-shadow:var(--shadow);font-size:14px}
.pager .current{background:var(--c-accent);color:#fff}

/* ===== AI 九宫格 ===== */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ai-card{background:#fff;border:1px solid rgba(13,59,102,.08);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}
.ai-card::before{content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--c-accent);transition:width .3s}
.ai-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.ai-card:hover::before{width:100%}
.ai-card-no{font-size:13px;font-weight:800;color:var(--c-blue);letter-spacing:1px}
.ai-card h3{font-size:19px;color:var(--c-primary);margin:8px 0 10px}
.ai-card p{font-size:14px;color:var(--c-muted);line-height:1.65;min-height:46px}
.ai-card-go{display:inline-block;margin-top:14px;font-weight:600;color:var(--c-accent)}

/* ===== AI 工具单页 ===== */
.tool-hero{background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-d) 100%);color:#fff;padding:150px 0 60px}
.tool-back{display:inline-block;color:#b9cbe0;font-size:14px;margin-bottom:16px}
.tool-back:hover{color:#fff}
.tool-title{font-size:40px;color:#fff;margin-bottom:12px}
.tool-tag{font-size:17px;color:#b9cbe0;max-width:680px}
.tool-content{max-width:900px;margin:0 auto;font-size:16px;color:var(--c-text);line-height:1.85}
.tool-content p{margin-bottom:18px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0}
.feat{background:#fff;border:1px solid rgba(13,59,102,.08);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.feat h4{font-size:17px;color:var(--c-primary);margin-bottom:8px}
.feat p{font-size:14px;color:var(--c-muted);line-height:1.65}
.tool-sub{font-size:22px;color:var(--c-primary);margin:30px 0 16px}
.steps{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:14px;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:46px;font-size:15px;color:var(--c-text);line-height:1.6}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--c-blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.tool-cta{background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-d) 100%);color:#fff;text-align:center;padding:70px 0}
.tool-cta h2{font-size:30px;color:#fff;margin-bottom:12px}
.tool-cta p{font-size:16px;color:#b9cbe0;margin-bottom:26px}

/* ===== 平台展示 ===== */
.platform-hero{background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-d) 100%);color:#fff;text-align:center;padding:150px 0 60px}
.platform-hero .eyebrow{color:#ffd9c7;border:1px solid rgba(255,255,255,.25);padding:6px 16px;border-radius:50px;display:inline-block;margin-bottom:18px;font-size:13px;font-weight:700;letter-spacing:2px}
.platform-title{font-size:42px;color:#fff;margin-bottom:14px}
.platform-sub{font-size:17px;color:#b9cbe0;max-width:660px;margin:0 auto}
.browser{max-width:960px;margin:0 auto;background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid rgba(13,59,102,.1)}
.browser-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#eef2f7;border-bottom:1px solid #e2e9f1}
.browser-bar .dot{width:11px;height:11px;border-radius:50%}
.browser-bar .dot.r{background:#ff5f57}.browser-bar .dot.y{background:#febc2e}.browser-bar .dot.g{background:#28c840}
.browser-url{margin-left:14px;font-size:13px;color:var(--c-muted);background:#fff;border:1px solid #e2e9f1;border-radius:6px;padding:4px 12px}
.browser-body{display:grid;grid-template-columns:300px 1fr;min-height:360px}
.mock-left{background:linear-gradient(160deg,#0D3B66,#0A2A4D);padding:28px 24px;color:#fff}
.mock-login h4{font-size:16px;margin-bottom:18px;color:#fff}
.mock-field{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:11px 14px;margin-bottom:12px;font-size:13px;color:#cdd9e8}
.mock-btn{background:var(--c-accent);color:#fff;text-align:center;padding:11px;border-radius:8px;font-weight:600;margin-top:6px}
.mock-tip{font-size:12px;color:#9fb3cc;margin-top:14px;line-height:1.6}
.mock-right{padding:22px;background:#f7fafd}
.mock-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.mock-stats .ms{background:#fff;border-radius:10px;padding:14px;text-align:center;box-shadow:var(--shadow)}
.mock-stats .ms b{display:block;font-size:22px;color:var(--c-accent);line-height:1}
.mock-stats .ms span{font-size:12px;color:var(--c-muted)}
.mock-chart{display:flex;align-items:flex-end;gap:10px;height:90px;background:#fff;border-radius:10px;padding:14px;margin-bottom:16px;box-shadow:var(--shadow)}
.mock-chart .bar{flex:1;background:linear-gradient(180deg,var(--c-blue),#0D3B66);border-radius:4px 4px 0 0}
.mock-list .ml{display:flex;align-items:center;gap:10px;background:#fff;border-radius:8px;padding:10px 12px;margin-bottom:8px;font-size:13px;color:var(--c-text);box-shadow:var(--shadow)}
.mock-list .dotk{width:9px;height:9px;border-radius:50%;background:var(--c-red);flex:none}
.mock-list .ml em{margin-left:auto;font-style:normal;font-size:12px;color:var(--c-accent);font-weight:600}
.plat-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pf{background:#fff;border:1px solid rgba(13,59,102,.08);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.25s}
.pf:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.pf h4{font-size:18px;color:var(--c-primary);margin-bottom:8px}
.pf p{font-size:14px;color:var(--c-muted);line-height:1.65}

/* ===== 新增区块响应式 ===== */
@media (max-width:980px){
  .gateway-grid,.news-grid,.ai-grid,.feat-grid,.plat-feats{grid-template-columns:repeat(2,1fr)}
  .browser-body{grid-template-columns:1fr}
  .mock-left{display:none}
}
@media (max-width:680px){
  .gateway-grid,.news-grid,.ai-grid,.feat-grid,.plat-feats{grid-template-columns:1fr}
  .sub-hero{padding:120px 0 44px}
  .sub-hero-title,.platform-title,.tool-title{font-size:30px}
  .mock-stats{grid-template-columns:repeat(2,1fr)}
}