/* ===========================================================
   反诈宣传站 · 前台样式（自适应：手机 / 平板 / 桌面）
   =========================================================== */
:root{
  --c1:#c8102e;          /* 主色（后台可改） */
  --c2:#0b2e59;          /* 深色（后台可改） */
  --c1-soft:rgba(200,16,46,.10);
  --ink:#16202c;
  --ink2:#5a6b7d;
  --line:#e6ebf1;
  --bg:#ffffff;
  --bg2:#f6f8fb;
  --radius:16px;
  --shadow:0 10px 30px rgba(13,38,76,.08);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- 顶部公告 ---------- */
.notice{background:linear-gradient(90deg,var(--c2),var(--c1));color:#fff;font-size:14px;position:relative;z-index:60}
.notice .notice-inner{display:flex;align-items:center;gap:10px;padding:10px 44px 10px 20px;position:relative}
.notice-tag{background:rgba(255,255,255,.18);padding:2px 10px;border-radius:20px;font-size:12px;white-space:nowrap;font-weight:600}
.notice-text{flex:1}
.notice-link{color:#fff;font-weight:600;text-decoration:underline;white-space:nowrap}
.notice-close{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:0;color:#fff;font-size:20px;cursor:pointer;opacity:.8;line-height:1;padding:0 4px}
.notice-close:hover{opacity:1}

/* ---------- 头部导航 ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--c2);white-space:nowrap}
.brand img{height:38px;width:auto;object-fit:contain}
.brand .badge-dot{width:10px;height:10px;border-radius:50%;background:var(--c1);box-shadow:0 0 0 4px var(--c1-soft)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 11px;border-radius:8px;font-size:14.5px;color:var(--ink2);font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--bg2);color:var(--c1)}
.nav a.cta{background:var(--c1);color:#fff;padding:9px 16px;font-weight:600}
.nav a.cta:hover{background:#a50d25;color:#fff}
.menu-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--c2);padding:4px 8px}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:
   radial-gradient(1200px 500px at 85% -10%, var(--c1-soft), transparent 60%),
   linear-gradient(180deg,#fff 0%, var(--bg2) 100%);
   padding:64px 0 54px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--c1-soft);color:var(--c1);
  padding:6px 14px;border-radius:30px;font-size:13px;font-weight:700;margin-bottom:18px}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c1);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(200,16,46,.5)}70%{box-shadow:0 0 0 10px rgba(200,16,46,0)}100%{box-shadow:0 0 0 0 rgba(200,16,46,0)}}
.hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;color:var(--c2);letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--c1);display:block}
.hero p.sub{margin-top:18px;font-size:clamp(15px,1.6vw,18px);color:var(--ink2);max-width:640px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:10px;
  font-weight:700;font-size:15px;border:2px solid transparent;transition:.2s}
.btn-primary{background:var(--c1);color:#fff;box-shadow:0 8px 20px rgba(200,16,46,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,16,46,.32)}
.btn-ghost{background:#fff;color:var(--c2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--c2);transform:translateY(-2px)}
.hero-note{margin-top:20px;font-size:13px;color:var(--ink2);background:#fff;border-left:3px solid var(--c1);
  padding:10px 14px;border-radius:0 8px 8px 0;display:inline-block}
.hero-art{position:relative;display:flex;align-items:center;justify-content:center}
.hero-art img{border-radius:20px;box-shadow:var(--shadow)}
.shield-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);width:100%}
.shield-card .sc-top{display:flex;align-items:center;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:16px;margin-bottom:16px}
.shield-card .sc-ico{width:46px;height:46px;border-radius:12px;background:var(--c1-soft);display:flex;align-items:center;justify-content:center;font-size:24px}
.shield-card h3{font-size:17px;color:var(--c2)}
.shield-card .sc-top p{font-size:12.5px;color:var(--ink2);margin-top:2px}
.shield-list li{display:flex;gap:10px;padding:8px 0;font-size:14.5px;color:var(--ink2);border-bottom:1px solid #f2f5f9}
.shield-list li:last-child{border:0}
.shield-list b{color:var(--ink);font-weight:600}

/* ---------- 快捷入口 ---------- */
.quick{background:#fff;border-bottom:1px solid var(--line)}
.quick-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;padding:26px 0}
.quick-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;transition:.2s;background:var(--bg2)}
.quick-item:hover{border-color:var(--c1);background:#fff;transform:translateY(-2px)}
.quick-item span{font-size:24px}
.quick-item strong{display:block;font-size:14.5px;color:var(--c2)}
.quick-item small{color:var(--ink2);font-size:12.5px}

/* ---------- 通用区块 ---------- */
.section{padding:70px 0}
.section.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 42px}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);color:var(--c2);font-weight:800;line-height:1.3}
.sec-head h2:after{content:"";display:block;width:56px;height:4px;background:var(--c1);border-radius:4px;margin:14px auto 0}
.sec-head p{margin-top:14px;color:var(--ink2);font-size:15.5px}

/* ---------- 数据 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:var(--shadow)}
.stat .num{font-size:clamp(28px,4vw,42px);font-weight:800;color:var(--c1);line-height:1.1}
.stat .lbl{margin-top:8px;color:var(--ink2);font-size:14px}
.stats-note{text-align:center;font-size:12.5px;color:#8c9aab}

/* ---------- 诈骗类型卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:var(--c1);box-shadow:var(--shadow)}
.card:before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--c1);opacity:0;transition:.25s}
.card:hover:before{opacity:1}
.card .ico{font-size:30px;margin-bottom:12px}
.card .tag{display:inline-block;background:var(--c1-soft);color:var(--c1);font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:10px}
.card h3{font-size:18px;color:var(--c2);margin-bottom:8px;font-weight:700}
.card p{color:var(--ink2);font-size:14.5px}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:st}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;position:relative}
.step .no{width:38px;height:38px;border-radius:50%;background:var(--c2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
.step:after{content:"";position:absolute;right:-10px;top:44px;width:20px;height:2px;background:var(--line)}
.step:last-child:after{display:none}
.step h3{font-size:16.5px;color:var(--c2);margin-bottom:6px}
.step p{font-size:14px;color:var(--ink2)}

/* ---------- 贴士 ---------- */
.tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.tip{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.tip .ck{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--c1-soft);color:var(--c1);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-top:2px}
.tip h4{font-size:15.5px;color:var(--c2);margin-bottom:4px}
.tip p{font-size:14px;color:var(--ink2)}

/* ---------- 案例 ---------- */
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.case{background:#fff;border:1px solid var(--line);border-left:4px solid var(--c1);border-radius:12px;padding:20px}
.case-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.case-amount{font-weight:800;color:var(--c1);font-size:18px}
.case-place{font-size:12px;color:var(--ink2);background:var(--bg2);padding:3px 10px;border-radius:20px}
.case h3{font-size:16px;color:var(--c2);margin-bottom:8px}
.case p{font-size:14px;color:var(--ink2)}

/* ---------- 举报区 ---------- */
.report{background:linear-gradient(135deg,var(--c2),#123b70);color:#fff;position:relative;overflow:hidden}
.report:before{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.05)}
.report .sec-head h2{color:#fff}
.report .sec-head h2:after{background:#fff}
.report .sec-head p{color:#c9d8ea}
.hotline{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:24px;margin-bottom:26px}
.hotline .h-num{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:1px;line-height:1}
.hotline .h-meta{font-size:13.5px;color:#c9d8ea;max-width:420px}
.hotline .h-lbl{font-size:13px;text-transform:uppercase;letter-spacing:2px;color:#9fb6d0;margin-bottom:4px}
.report-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.rlink{display:flex;align-items:center;gap:14px;background:#fff;color:var(--ink);border-radius:12px;padding:16px 18px;transition:.2s}
.rlink:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.rlink .ri{font-size:26px}
.rlink strong{display:block;font-size:15px;color:var(--c2)}
.rlink small{color:var(--ink2);font-size:12.5px}
.report-note{margin-top:24px;text-align:center;color:#c9d8ea;font-size:13.5px}

/* ---------- 下载 ---------- */
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.dl{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;transition:.2s}
.dl:hover{border-color:var(--c2);transform:translateY(-3px);box-shadow:var(--shadow)}
.dl .di{font-size:30px}
.dl strong{display:block;font-size:15.5px;color:var(--c2)}
.dl small{color:var(--ink2);font-size:12.5px}
.dl-note{text-align:center;color:var(--ink2);font-size:13.5px;margin-top:22px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-q{padding:16px 20px;font-weight:700;font-size:15.5px;color:var(--c2);cursor:pointer;display:flex;justify-content:space-between;gap:14px;align-items:center;user-select:none}
.faq-q:hover{background:var(--bg2)}
.faq-q i{font-style:normal;color:var(--c1);font-size:20px;transition:.25s;flex:0 0 20px;text-align:center}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--ink2);font-size:14.5px;border-top:1px solid #f1f4f8;padding-top:14px}
.faq-item.open .faq-a{display:block}

/* ---------- 页脚 ---------- */
.footer{background:#0d1b2c;color:#a9b8ca;padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:34px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer p{color:#a9b8ca;font-size:13.8px;line-height:1.9}
.footer li{margin-bottom:9px}
.footer li a:hover{color:#fff}
.footer .f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer .f-brand img{height:34px;width:auto}
.contact-line{display:flex;gap:8px;margin-bottom:8px}
.contact-line b{color:#fff;font-weight:600}
.disclaimer{background:rgba(255,255,255,.05);border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12.8px;color:#8fa2b6}
.copy{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;color:#8fa2b6;font-size:13px;text-align:center}

/* ---------- 悬浮按钮 ---------- */
.float-bar{position:fixed;right:16px;bottom:80px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:23px;color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.22);transition:.2s;position:relative}
.float-btn:hover{transform:scale(1.08)}
.float-btn small{position:absolute;right:62px;top:50%;transform:translateY(-50%);background:#0d1b2c;color:#fff;
  font-size:12px;padding:5px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}
.float-btn:hover small{opacity:1}
.fb-whatsapp{background:#25D366}
.fb-call{background:var(--c2)}
.fb-report{background:var(--c1)}
.to-top{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);display:none;align-items:center;justify-content:center;cursor:pointer;z-index:70;color:var(--c2);font-size:18px}
.to-top.show{display:flex}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(9,20,35,.62);display:none;align-items:center;justify-content:center;z-index:90;padding:20px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:18px;max-width:440px;width:100%;padding:30px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.modal-box h3{font-size:20px;color:var(--c2);margin-bottom:12px}
.modal-box p{color:var(--ink2);font-size:14.5px}
.modal-box .btn{margin-top:22px;width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero{padding:48px 0 40px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .menu-toggle{display:block}
  .nav{position:fixed;left:0;right:0;top:66px;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:8px 16px 16px;gap:2px;transform:translateY(-140%);transition:.25s;box-shadow:var(--shadow)}
  .nav.show{transform:translateY(0)}
  .nav a{padding:12px 14px;font-size:15px}
  .nav a.cta{margin-top:8px;text-align:center}
  .notice-inner{padding-right:40px;font-size:13px}
  .notice-link{display:none}
  .section{padding:48px 0}
  .sec-head{margin-bottom:30px}
  .stats-grid{grid-template-columns:1fr;gap:12px}
  .stat{padding:20px}
  .hero h1{font-size:29px}
  .hero-btns .btn{flex:1 1 100%}
  .quick-inner{padding:20px 0}
  .float-bar{bottom:74px;right:12px}
  .float-btn{width:48px;height:48px;font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .faq-q{padding:14px 16px;font-size:15px}
}
@media (max-width:420px){
  .brand{font-size:16px}
  .brand img{height:32px}
  .card,.case,.step{padding:18px}
  .modal-box{padding:24px 20px}
}