/* ============================================================
   好盾 · 官网样式（深空黑 + 青色霓虹，版面对标 wuxiangdun.com）
   ============================================================ */
:root{
  --bg:#02040a; --bg2:#04070f;
  --panel:rgba(255,255,255,.025); --panel2:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --text:#e8ecf4; --heading:#f2f5fa; --muted:#8b93a7; --dim:#5d6478;
  --cyan:#22d3ee; --cyan-soft:rgba(34,211,238,.1); --cyan-line:rgba(34,211,238,.3);
  --green:#34d399; --red:#f87171; --orange:#fbbf24;
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
::selection{background:rgba(34,211,238,.25)}
.c-cyan{color:var(--cyan)}
.wrap{width:min(1200px,calc(100% - 44px));margin:auto}

.rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s cubic-bezier(.16,.84,.32,1)}
.rv.in{opacity:1;transform:none}

/* ---------------- 导航（纯黑实心） ---------------- */
.pc-nav{position:sticky;top:0;z-index:60;background:#000;border-bottom:1px solid var(--line)}
.nav-wrap{width:min(1240px,calc(100% - 44px));height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:baseline;gap:8px;font-size:24px;font-weight:900;color:#fff;letter-spacing:.06em}
.nav-logo span{font-size:10px;font-weight:600;color:var(--dim);letter-spacing:.28em}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-right>a{font-size:14px;color:var(--muted);transition:.2s}
.nav-right>a:hover{color:#fff}
.nav-ghost{padding:9px 22px;border:1px solid var(--line2);border-radius:9px;background:rgba(255,255,255,.03)}
.nav-ghost:hover{border-color:rgba(255,255,255,.3);color:#fff}
.nav-solid{padding:9px 22px;border-radius:9px;background:var(--cyan);color:#04202a;font-weight:800}
.nav-solid:hover{filter:brightness(1.1)}

/* ---------------- 星空 Hero ---------------- */
.star-hero{position:relative;overflow:hidden;background:var(--bg);padding:96px 0 90px;text-align:center}
.stars{position:absolute;inset:0;z-index:0;pointer-events:none}
.stars i{position:absolute;display:block;border-radius:50%;background:#cfe9ff;animation:twinkle 4s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.2}50%{opacity:.9}}
.hero-core{position:relative;z-index:2}
.brand-cn{font-size:clamp(64px,9vw,120px);line-height:1;letter-spacing:.04em;margin:0;font-weight:900;color:#fff}
.brand-en{font-size:clamp(18px,2.4vw,30px);letter-spacing:.42em;color:#9fb6c9;margin-top:10px;font-weight:300}
.brand-slogan{font-size:14px;letter-spacing:.5em;color:var(--dim);margin-top:18px}
.brand-shield{width:64px;height:64px;margin:34px auto 0;display:grid;place-items:center;border:1px solid var(--cyan-line);border-radius:18px;background:var(--cyan-soft);color:var(--cyan);box-shadow:0 0 40px rgba(34,211,238,.18)}
.brand-shield svg{width:30px;height:30px}
.hero-badge{display:inline-block;margin-top:26px;padding:9px 22px;border:1px solid var(--cyan-line);border-radius:999px;background:var(--cyan-soft);color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.22em}
.pain-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.pain{display:inline-flex;align-items:center;gap:9px;padding:10px 18px;border:1px solid rgba(248,113,113,.28);border-radius:999px;background:rgba(248,113,113,.06);color:#d9c6c6;font-size:13.5px}
.pain i{font-style:normal;color:var(--red);font-size:12px}
.hero-verdict{margin-top:38px;font-size:clamp(20px,2.6vw,30px);line-height:1.7;color:var(--heading)}
.hero-verdict p{margin:0}
.hero-verdict strong{color:#fff;font-weight:800}
.hero-verdict .v2{font-size:clamp(17px,2.2vw,24px);margin-top:6px;color:var(--text)}
.hero-sub{margin-top:22px;color:var(--muted);font-size:14px;letter-spacing:.04em}
.hero-stats{display:flex;justify-content:center;gap:clamp(24px,5vw,72px);flex-wrap:wrap;margin-top:44px}
.hero-stats>div{display:grid;gap:6px}
.hero-stats b{font-size:clamp(30px,4vw,46px);font-weight:900;color:var(--cyan);text-shadow:0 0 26px rgba(34,211,238,.35);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:12.5px;color:var(--muted)}
.hero-more{display:inline-block;margin-top:44px;padding:14px 34px;border-radius:12px;background:linear-gradient(90deg,#34d399,#22d3ee);color:#04202a;font-weight:900;font-size:15px;box-shadow:0 10px 40px rgba(34,211,238,.3);transition:.25s}
.hero-more:hover{transform:translateY(-2px);box-shadow:0 16px 50px rgba(34,211,238,.45)}

/* ---------------- 区块通用 ---------------- */
section{scroll-margin-top:80px}
.wrap{width:min(1200px,calc(100% - 44px));margin:auto}
.sec-head h2,.sec-title{font-size:clamp(30px,3.8vw,44px);line-height:1.25;letter-spacing:-.02em;margin:0;color:var(--heading);font-weight:900}
.sec-head.center{text-align:center;margin-bottom:52px}
.sec-title.center{text-align:center}
.sec-title.left{text-align:left}
.sec-kicker{color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.4em;margin-bottom:18px}
.sec-kicker.center{text-align:center}
.sec-kicker.left{text-align:left}
.sec-desc{color:var(--muted);font-size:15px;line-height:2;max-width:720px}
.sec-desc.center{margin:16px auto 0;text-align:center}
.sec-desc.left{margin:16px 0 0}

/* ---------------- 两大核心能力 ---------------- */
.split-section{padding:100px 0;background:var(--bg2)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.split-card{padding:36px 32px;border:1px solid var(--line);border-radius:20px;background:var(--panel);transition:.25s}
.split-card:hover{border-color:var(--cyan-line);transform:translateY(-4px)}
.split-tag{display:inline-block;padding:6px 14px;border-radius:999px;font-size:12px;font-weight:800;margin-bottom:18px}
.t-cyan{color:var(--cyan);background:var(--cyan-soft);border:1px solid var(--cyan-line)}
.t-green{color:var(--green);background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.28)}
.split-card h3{font-size:21px;margin:0 0 18px;color:var(--heading)}
.tick-list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.tick-list li{position:relative;padding-left:24px;font-size:13.5px;line-height:1.7;color:var(--muted)}
.tick-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}
.split-notes{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);display:grid;gap:9px}
.note{font-size:12.5px;font-weight:700}
.n-ok{color:var(--green)}
.n-cyan{color:var(--cyan)}

/* ---------------- 持续进化 ---------------- */
.evolve-section{padding:100px 0;text-align:center}
.evolve-title{font-size:clamp(28px,3.6vw,42px);line-height:1.4;margin:14px 0 18px;color:var(--heading);font-weight:900}
.evolve-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px;text-align:left}
.evolve-card{padding:30px 28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.evolve-card h4{margin:0 0 12px;font-size:16px;color:var(--heading)}
.evolve-card p{margin:0;font-size:13.5px;line-height:1.9;color:var(--muted)}

/* ---------------- 实时拦截 ---------------- */
.live-section{padding:96px 0;background:var(--bg2)}
.live-panel{margin-top:48px;border:1px solid var(--line);border-radius:var(--radius);background:#03060d;overflow:hidden;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.live-row{display:grid;grid-template-columns:1fr .7fr 1.2fr 1fr 1.2fr;gap:10px;padding:14px 20px;border-top:1px solid rgba(255,255,255,.04);font-size:12.5px;color:var(--muted);align-items:center}
.live-row:first-child{border-top:0}
.lr-head{background:rgba(255,255,255,.03);color:var(--dim);font-size:11px;letter-spacing:.1em}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:800}
.p-block{color:var(--red);background:rgba(248,113,113,.1)}
.p-pass{color:var(--green);background:rgba(52,211,153,.1)}
.p-chal{color:var(--orange);background:rgba(251,191,36,.1)}
.to-safe{color:#d79a9a}
.to-real{color:#9ad3bd}

/* ---------------- 判定流程 ---------------- */
.how-section{padding:100px 0}
.how-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1.4fr;gap:16px;align-items:center;margin-top:52px}
.how-node{padding:30px 24px;text-align:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.how-node.hl{border-color:var(--cyan-line);background:var(--cyan-soft)}
.how-node b{display:block;font-size:15px;margin:10px 0 6px;color:var(--heading)}
.how-node span{font-size:12px;color:var(--muted)}
.hn-icon{font-size:30px}
.how-arrow{color:#3d436b;font-size:22px}
.how-results{display:grid;gap:12px}
.hr-card{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:center;padding:16px 20px;border-radius:14px;border:1px solid var(--line)}
.hr-card i{grid-row:1/3;font-style:normal;font-size:24px}
.hr-card b{font-size:14.5px;color:var(--heading)}
.hr-ok{border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.05)}
.hr-no{border-color:rgba(248,113,113,.3);background:rgba(248,113,113,.05)}
.hr-card span{font-size:12px;color:var(--muted)}

/* ---------------- 对比 ---------------- */
.vs-section{padding:96px 0;background:var(--bg2)}
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vs-card{padding:34px 30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.vs-card h3{margin:0 0 20px;font-size:19px}
.vs-card ul{list-style:none;margin:0;padding:0;display:grid;gap:13px}
.vs-card li{position:relative;padding-left:26px;font-size:14px;line-height:1.7;color:var(--muted)}
.vs-card li:before{position:absolute;left:0;font-weight:900}
.vs-no{color:var(--red)}
.vs-no li:before{content:"✕";color:var(--red)}
.vs-good{border-color:var(--cyan-line);background:linear-gradient(180deg,rgba(34,211,238,.05),var(--panel))}
.vs-yes{color:var(--cyan)}
.vs-yes li:before{content:"✓";color:var(--cyan)}

/* ---------------- 口碑 ---------------- */
.review-section{padding:96px 0}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.review-card{padding:28px 26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);display:flex;flex-direction:column;gap:20px}
.review-card>p{margin:0;font-size:13.5px;line-height:2;color:var(--muted);flex:1}
.review-card b{color:var(--text)}
.rv-user{display:flex;align-items:center;gap:12px}
.rv-user i{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-weight:900;color:#fff}
.ua{background:#3b82f6}.uk{background:#10b981}.uw{background:#8b5cf6}
.rv-user b{display:block;font-size:13.5px;color:var(--heading)}
.rv-user span{font-size:11px;color:var(--dim)}

/* ---------------- 实战数据 ---------------- */
.data-section{padding:96px 0;background:var(--bg2)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.data-card{padding:34px 18px;text-align:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);display:grid;gap:8px}
.data-card b{font-size:clamp(30px,3.6vw,44px);font-weight:900;color:var(--cyan);text-shadow:0 0 26px rgba(34,211,238,.3)}
.data-card span{font-size:12.5px;color:var(--muted)}

/* ---------------- CTA ---------------- */
.cta-section{padding:96px 0}
.cta-card{max-width:860px;margin:auto;padding:64px 40px;text-align:center;border:1px solid var(--cyan-line);border-radius:24px;background:linear-gradient(180deg,rgba(34,211,238,.06),rgba(2,4,10,0))}
.cta-card h2{font-size:clamp(30px,4vw,46px);margin:0;color:var(--heading);font-weight:900}
.cta-badges{margin-top:24px}
.cta-badges span{display:inline-block;padding:10px 24px;border:1px solid var(--cyan-line);border-radius:999px;background:var(--cyan-soft);color:var(--cyan);font-size:14px;font-weight:800;letter-spacing:.06em}
.cta-card>p{margin:26px auto 0;max-width:560px;color:var(--muted);font-size:14px;line-height:2}
.cta-btn{display:inline-block;margin-top:36px;padding:16px 52px;border-radius:12px;background:linear-gradient(90deg,#34d399,#22d3ee);color:#04202a;font-weight:900;font-size:16px;box-shadow:0 12px 44px rgba(34,211,238,.32);transition:.25s}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 18px 56px rgba(34,211,238,.45)}

/* ---------------- 关于 ---------------- */
.about-section{padding:80px 0;background:var(--bg2)}
.about-section h2{font-size:22px;margin:0 0 16px;color:var(--heading)}
.about-section p{margin:0;max-width:900px;color:var(--muted);font-size:14px;line-height:2.1}

/* ---------------- 页脚 ---------------- */
.site-footer{background:#010308;border-top:1px solid var(--line);padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:50px}
.foot-brand p{max-width:320px;font-size:12.5px;line-height:1.9;margin:16px 0 0;color:var(--muted)}
.foot-col{display:grid;align-content:start;gap:12px}
.foot-col b{font-size:13px;color:var(--heading)}
.foot-col a{font-size:12.5px;color:var(--muted)}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:46px;border-top:1px solid var(--line);padding:20px 0;font-size:11px;color:var(--dim)}

/* ---------------- 响应式 ---------------- */
@media(max-width:960px){
  .split-grid,.evolve-grid,.vs-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr 1fr}
  .how-flow{grid-template-columns:1fr;gap:12px}
  .how-arrow{transform:rotate(90deg);justify-self:center}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
  .foot-col:last-child{grid-column:2}
}
@media(max-width:640px){
  .nav-wrap{height:62px}
  .nav-logo{font-size:19px}
  .brand-cn{font-size:56px}
  .brand-en{letter-spacing:.3em}
  .pain-row{flex-direction:column;align-items:center}
  .live-row{grid-template-columns:1fr 1fr;font-size:11px;gap:6px}
  .lr-head{display:none}
  .stats-grid,.data-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .foot-brand{grid-column:1/-1}
  .cta-card{padding:44px 22px}
}

/* ---------------- 流星特效（对标 wuxiangdun shooting-stars） ---------------- */
.shooting{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.shooting i{position:absolute;top:-4%;left:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(34,211,238,0),rgba(34,211,238,.85) 55%,#fff 98%);
  box-shadow:0 0 10px rgba(34,211,238,.55);
  transform:rotate(24deg);
  animation:shoot linear infinite;
  opacity:0}
@keyframes shoot{
  0%{transform:rotate(24deg) translateX(0);opacity:0}
  4%{opacity:1}
  18%{transform:rotate(24deg) translateX(150vw);opacity:0}
  100%{transform:rotate(24deg) translateX(150vw);opacity:0}
}