/* PEVILA 官网样式 —— 深色/浅色交替，锚色 #FFC832 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#050505; --ink-2:#0E0E10; --ink-3:#11120C; --line:rgba(255,255,255,.09);
  --paper:#F2F2F2; --white:#fff; --sub:#A0A0A0; --sub-2:#8A8A8A;
  --honey:#FFC832; --honey-deep:#B07E00; --green:#10B981; --red:#FF6B6B; --purple:#5046E5;
  --r-s:16px; --r-m:24px; --r-l:32px;
}
html{scroll-behavior:smooth}
body{background:var(--ink);color:#fff;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.mono{font-family:"Inter Tight","Inter","JetBrains Mono",system-ui,sans-serif;font-variant-numeric:tabular-nums}
.wrap{max-width:1440px;margin:0 auto;padding:0 64px}

/* ---------- Header ---------- */
.header{height:72px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(5,5,5,.82);backdrop-filter:blur(20px);z-index:50}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--honey)}
.logo-txt{font:800 20px/1 "Inter Tight","Inter",sans-serif;letter-spacing:1.2px}
.nav{display:flex;gap:36px}
.nav a{color:#C8C8C8;text-decoration:none;font-size:15px;transition:.2s}
.nav a:hover{color:var(--honey)}
.header-right{display:flex;align-items:center;gap:20px}
.link-plain{color:#C8C8C8;text-decoration:none;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-family:inherit;border-radius:999px;font-size:16px;padding:16px 32px;text-decoration:none;transition:.2s}
.btn-primary{background:var(--honey);color:#0A0A0A;font-weight:700}
.btn-primary:hover{background:#ffd45c;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.24);font-weight:600}
.btn-ghost:hover{border-color:rgba(255,255,255,.5)}
.btn-sm{padding:8px 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:96px 64px 88px;display:flex;align-items:center;justify-content:space-between;gap:64px;overflow:hidden}
.hero::before{content:"";position:absolute;width:900px;height:900px;border-radius:50%;right:-180px;top:-200px;
  background:radial-gradient(circle,rgba(255,200,50,.30) 0%,rgba(255,200,50,0) 70%);pointer-events:none}
.hero-copy{position:relative;z-index:2;max-width:600px}
.badge{display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border-radius:999px;background:#1A1A1A;border:1px solid rgba(255,200,50,.35);font-size:14px;color:#E8E8E8}
.badge i{width:8px;height:8px;border-radius:50%;background:var(--green);display:block}
h1{font-size:72px;font-weight:800;line-height:1.16;letter-spacing:-1px;margin:24px 0}
.hero-sub{font-size:18px;line-height:1.67;color:var(--sub);max-width:560px}
.hero-btns{display:flex;gap:16px;margin-top:32px}
.trust{display:flex;gap:24px;margin-top:32px;font-size:13px;color:#6E6E6E;flex-wrap:wrap}

/* 巡逻回放卡 */
.patrol-card{position:relative;z-index:2;width:560px;border-radius:var(--r-l);background:var(--ink-2);border:1px solid var(--line);overflow:hidden;box-shadow:0 40px 80px rgba(0,0,0,.5)}
.pc-head{display:flex;align-items:center;justify-content:space-between;padding:28px 28px 0}
.pc-title{font-size:18px;font-weight:600}
.pc-time{font-size:13px;color:#6E6E6E;margin-top:4px}
.live{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--green);color:#052E20;font:700 12px/1 "Inter Tight",sans-serif}
.pc-view{margin:20px 28px 0;height:300px;border-radius:var(--r-s);overflow:hidden;position:relative;background:#0A0C10}
.pc-view img{width:100%;height:100%;object-fit:cover}
.pc-badge{position:absolute;top:14px;left:14px;padding:6px 12px;border-radius:6px;background:rgba(0,0,0,.65);backdrop-filter:blur(8px);font-size:12px;letter-spacing:.5px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 28px 0}
.kpi{background:#171719;border-radius:var(--r-s);padding:16px}
.kpi b{display:block;font:800 28px/1.1 "Inter Tight",sans-serif;letter-spacing:-.5px}
.kpi span{display:block;font-size:12px;color:#8A8A8A;margin-top:6px}
.alert-row{margin:20px 28px 28px;display:flex;gap:12px;align-items:center;padding:14px;border-radius:var(--r-s);background:#1A1512;border:1px solid rgba(255,107,107,.4)}
.alert-ico{width:32px;height:32px;border-radius:10px;background:var(--red);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;flex:0 0 auto}
.alert-txt b{display:block;font-size:15px;font-weight:600}
.alert-txt span{display:block;font-size:12px;color:#9A8C86;margin-top:2px}

/* ---------- Section 通用 ---------- */
section{position:relative}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-tag{font-size:14px;font-weight:700;letter-spacing:2px;margin-bottom:12px;display:block}
.sec-head h2{font-size:44px;font-weight:700;line-height:1.32;letter-spacing:-.5px}

/* 核心能力 */
.features{background:var(--paper);color:#0A0A0A;padding:96px 64px}
.features .sec-tag{color:var(--honey-deep)}
.features .sec-head p{margin-top:16px;font-size:17px;line-height:1.65;color:#5C5C5C}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:var(--r-m);padding:32px;display:flex;flex-direction:column;gap:20px;transition:.25s}
.feat:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.09)}
.feat-ico{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}
.feat h3{font-size:22px;font-weight:700}
.feat p{font-size:15px;line-height:1.73;color:#5C5C5C}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{font-size:12px;padding:6px 12px;border-radius:999px;background:var(--paper);color:#0A0A0A}
.feat-accent{background:var(--honey);border-color:transparent}
.feat-accent p{color:#3D2F00}
.feat-accent .tag{background:#fff}

/* 数据带 */
.stats{background:var(--ink-3);padding:56px 64px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat b{display:block;font:800 56px/1 "Inter Tight",sans-serif;letter-spacing:-1.5px}
.stat span{display:block;margin-top:8px;font-size:14px;color:#8A8A80}

/* 应用场景 */
.scenes{background:var(--ink);padding:96px 64px}
.scenes .sec-tag{color:var(--honey)}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-m);padding:32px;transition:.25s}
.scene:hover{border-color:rgba(255,200,50,.45);transform:translateY(-3px)}
.scene h3{font-size:24px;font-weight:700;margin-bottom:14px}
.scene p{font-size:15px;line-height:1.73;color:#8A8A8A}
.scene-honey{background:var(--honey);border-color:transparent}
.scene-honey p{color:#3D2F00}

/* FAQ */
.faq{background:var(--paper);color:#0A0A0A;padding:96px 64px}
.faq .sec-tag{color:var(--honey-deep)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.qa{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:var(--r-s);padding:28px}
.qa h4{font-size:18px;font-weight:600;margin-bottom:10px}
.qa p{font-size:15px;line-height:1.73;color:#5C5C5C}
.qa-honey{background:var(--honey);border-color:transparent}
.qa-honey p{color:#3D2F00}

/* 评价 */
.quote{background:var(--ink-2);padding:88px 64px;display:flex;gap:64px;align-items:center}
.quote-mark{font:800 120px/0.8 "Inter Tight",sans-serif;color:var(--honey);flex:0 0 auto}
.quote-body{max-width:900px}
.quote-body blockquote{font-size:28px;line-height:1.64;color:#fff}
.quote-body .who{margin-top:24px}
.quote-body .who b{display:block;font-size:16px;font-weight:600}
.quote-body .who span{font-size:14px;color:#8A8A8A}

/* CTA */
.cta{background:var(--honey);padding:72px 64px;display:flex;align-items:center;justify-content:space-between;gap:48px}
.cta h2{font-size:40px;font-weight:700;line-height:1.35;letter-spacing:-.5px;color:#0A0A0A}
.cta p{margin-top:12px;font-size:16px;color:#3D2F00}
.cta-btns{display:flex;gap:16px;flex:0 0 auto}
.btn-dark{background:#0A0A0A;color:#fff;font-weight:700}
.btn-outline{border:1px solid rgba(0,0,0,.3);color:#0A0A0A;font-weight:600}

/* Footer */
.footer{background:var(--ink);padding:72px 64px 32px}
.foot-top{display:flex;justify-content:space-between;gap:64px;padding-bottom:56px;border-bottom:1px solid var(--line);margin-bottom:32px}
.foot-brand{max-width:380px}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.7;color:#6E6E6E}
.foot-cols{display:flex;gap:72px}
.foot-col h5{font-size:13px;font-weight:700;margin-bottom:14px}
.foot-col a,.foot-col span{display:block;font-size:14px;color:#6E6E6E;text-decoration:none;line-height:2.1;transition:.2s}
.foot-col a:hover{color:var(--honey)}
.foot-bar{display:flex;justify-content:space-between;font-size:13px;color:#4D4D4D}

@media (max-width:1200px){
  .wrap,.hero,.features,.scenes,.faq,.cta,.footer,.stats{padding-left:32px;padding-right:32px}
  h1{font-size:52px}
  .hero{flex-direction:column;align-items:flex-start}
  .patrol-card{width:100%;max-width:560px}
  .feat-grid,.scene-grid,.faq-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav{display:none}
  .quote,.cta,.foot-top{flex-direction:column;align-items:flex-start}
}