:root{
  --bg:#070a12; --bg2:#0d1320; --panel:rgba(20,27,42,.72); --panel2:rgba(255,255,255,.03);
  --line:rgba(255,255,255,.08); --line2:rgba(255,72,72,.35);
  --red:#ff3b3b; --red2:#ff6a3d; --amber:#ffb020; --cyan:#39e0ff; --green:#37e6a0;
  --txt:#eef2f8; --muted:#9fb0c8; --muted2:#6e7f98;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans","Noto Sans SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:var(--font);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.matrix{position:fixed;inset:0;z-index:0;opacity:.5;pointer-events:none;mix-blend-mode:screen}
.wrap{position:relative;z-index:1}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
/* ---------- NAV ---------- */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,10,18,.82);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.04em;font-size:15px}
.brand .dot{width:9px;height:9px;border-radius:2px;background:var(--red);box-shadow:0 0 14px var(--red);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
nav .sp{flex:1}
.lang{display:flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:4px;font-size:13px}
.lang button{background:none;border:0;color:var(--muted);padding:6px 9px;border-radius:7px;cursor:pointer;font-family:inherit;font-weight:600;transition:.18s}
.lang button:hover{color:#fff}
.lang button.on{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;box-shadow:0 4px 14px rgba(255,59,59,.35)}
.navlinks{display:flex;gap:6px}
.navlinks a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:600;padding:7px 11px;border-radius:8px}
.navlinks a:hover{color:#fff;background:var(--panel2)}
@media(max-width:720px){.navlinks{display:none}}
/* ---------- HERO ---------- */
.hero{padding:48px 0 54px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--amber);border:1px solid var(--line2);background:rgba(255,59,59,.08);padding:7px 14px;border-radius:100px}
h1{font-size:clamp(34px,6.4vw,76px);line-height:1.04;margin:.28em 0 .18em;font-weight:900;letter-spacing:-.02em}
h1 .w{display:block;color:#fff}
h1 .r{display:block;background:linear-gradient(100deg,#ff2f2f,#ff7a3a 55%,#ffb020);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 6px 30px rgba(255,60,40,.35))}
.hero-sub{font-size:clamp(15px,1.7vw,19px);color:var(--muted);max-width:760px;margin:0}
.hero-intro{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:center}
.hero-copy h1{font-size:clamp(42px,5.15vw,68px)}
.video-stage{position:relative;min-width:0}
.video-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px;font-family:var(--mono);font-size:11px;letter-spacing:.13em;color:var(--muted)}
.video-meta span{color:var(--red2);font-weight:800}
.video-meta b{font-weight:600;color:#fff}
.video-frame{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:18px;border:1px solid rgba(255,90,90,.42);background:#05070d;box-shadow:0 28px 70px rgba(0,0,0,.62),0 0 46px rgba(255,59,59,.12)}
.video-frame::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.video-frame video{display:block;width:100%;height:100%;object-fit:cover;background:#05070d}
.video-duration{position:absolute;top:13px;right:13px;z-index:3;padding:6px 9px;border:1px solid rgba(255,255,255,.2);border-radius:7px;background:rgba(4,7,12,.72);backdrop-filter:blur(8px);font:700 10.5px/1 var(--mono);letter-spacing:.08em;color:#fff;pointer-events:none}
.hero-support{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:stretch;margin-top:30px}
.poster{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.03)}
.poster img{width:100%;display:block;height:auto}
.poster::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(7,10,18,.9));pointer-events:none}
.figswap{position:absolute;left:12px;bottom:12px;z-index:3;display:flex;gap:8px}
.figswap button{flex:1;min-width:0;font-family:inherit;font-size:11.5px;font-weight:700;padding:9px 6px;border-radius:9px;border:1px solid rgba(255,255,255,.22);background:rgba(0,0,0,.55);color:#fff;cursor:pointer;backdrop-filter:blur(6px);transition:.18s;white-space:nowrap}
.figswap button.on{background:linear-gradient(135deg,var(--red),var(--red2));border-color:transparent;box-shadow:0 6px 18px rgba(255,59,59,.4)}
.hero-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px 26px 22px;backdrop-filter:blur(10px)}
.ticker{font-family:var(--mono);font-size:12.5px;color:var(--red2);margin-bottom:14px;display:flex;gap:10px;align-items:center}
.ticker b{background:var(--red);color:#fff;padding:2px 8px;border-radius:5px;font-size:11px;letter-spacing:.1em;animation:pulse 1.6s infinite}
.hero-card h2{margin:0 0 10px;font-size:21px;line-height:1.35}
.hero-card p{margin:0 0 16px;color:var(--muted);font-size:14.5px}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px}
.kv div{background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:11px;padding:11px 12px}
.kv dt{font-size:11.5px;color:var(--muted2);letter-spacing:.08em;text-transform:uppercase;font-family:var(--mono)}
.kv dd{margin:3px 0 0;font-size:15px;font-weight:700}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{font-family:inherit;font-weight:800;font-size:14.5px;padding:13px 20px;border-radius:11px;border:0;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;box-shadow:0 10px 26px rgba(255,50,40,.35)}
.btn-red:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.05);color:#fff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
@media(max-width:980px){
  .hero-intro,.hero-support{grid-template-columns:1fr}
  .hero-copy{max-width:760px}
  .hero-copy h1{font-size:clamp(44px,10vw,72px)}
  .video-stage{margin-top:8px}
  .hero-support{margin-top:22px}
}
@media(max-width:600px){
  .hero{padding-top:28px}
  .hero-intro{gap:24px}
  .video-meta{align-items:flex-start;flex-direction:column;gap:3px}
  .video-frame{border-radius:13px}
  .video-duration{display:none}
  .hero-support{gap:16px}
}
/* ---------- SECTIONS ---------- */
section{padding:60px 0;scroll-margin-top:74px}
.sec-head{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:30px}
.sec-head .num{font-family:var(--mono);font-size:13px;color:var(--red2);border:1px solid var(--line2);padding:5px 11px;border-radius:7px;font-weight:700}
h2.sec{font-size:clamp(25px,3.6vw,40px);margin:0;font-weight:850;letter-spacing:-.015em}
.sec-head .lead{color:var(--muted);font-size:15px;margin-left:auto;max-width:520px}
/* cards */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:22px;transition:.22s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--red),transparent);opacity:.7}
.card:hover{transform:translateY(-4px);border-color:var(--line2);background:rgba(28,36,55,.82)}
.card .ic{font-size:28px;margin-bottom:12px;display:block;filter:drop-shadow(0 4px 10px rgba(255,80,60,.3))}
.card h3{margin:0 0 6px;font-size:16.5px;font-weight:800}
.card p{margin:0;color:var(--muted);font-size:13.8px}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;color:var(--amber);border:1px solid rgba(255,176,32,.3);background:rgba(255,176,32,.07);padding:2px 8px;border-radius:5px;margin-bottom:9px}
/* alert strip */
.strip{background:linear-gradient(100deg,rgba(255,30,30,.16),rgba(255,120,40,.08) 60%,rgba(7,10,18,.4));border:1px solid var(--line2);border-radius:16px;padding:26px 28px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.strip .big{font-size:clamp(22px,3vw,34px);font-weight:900;line-height:1.25;margin:0}
.strip p{margin:6px 0 0;color:var(--muted);font-size:14.5px;flex:1;min-width:260px}
/* timeline / attack chain */
.chain{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
@media(max-width:900px){.chain{grid-template-columns:1fr;gap:14px}}
.step{position:relative;padding:22px 20px 22px 26px;border-left:2px solid var(--line2);background:linear-gradient(90deg,rgba(255,59,59,.07),transparent 70%)}
.step:last-child{border-left-color:transparent}
.step .n{font-family:var(--mono);font-size:12px;color:var(--red2);font-weight:800;letter-spacing:.1em}
.step h3{margin:7px 0 6px;font-size:17px}
.step p{margin:0;font-size:13.6px;color:var(--muted)}
.step .cmd{margin-top:12px;font-family:var(--mono);font-size:12px;color:#ffd0c4;background:#000;border:1px solid var(--line);border-radius:8px;padding:9px 10px;position:relative}
.step .cmd span{color:var(--red2);font-weight:700}
@media(max-width:900px){.step{border-left:0;border-top:2px solid var(--line2)}}
/* do / dont */
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.dnd{border-radius:16px;padding:24px;border:1px solid var(--line);background:var(--panel)}
.dnd.no{border-color:rgba(255,59,59,.4);background:linear-gradient(160deg,rgba(255,40,40,.12),rgba(20,27,42,.7))}
.dnd.yes{border-color:rgba(55,230,160,.35);background:linear-gradient(160deg,rgba(55,230,160,.1),rgba(20,27,42,.7))}
.dnd h3{margin:0 0 4px;font-size:19px;display:flex;align-items:center;gap:9px}
.dnd.no h3{color:#ff5b5b}.dnd.yes h3{color:#4be6ab}
.dnd ol{margin:16px 0 0;padding:0;list-style:none;counter-reset:l}
.dnd li{counter-increment:l;position:relative;padding:11px 0 11px 42px;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.dnd li:last-child{border-bottom:0}
.dnd li::before{content:counter(l);position:absolute;left:0;top:11px;width:26px;height:26px;display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:800;border-radius:7px;background:rgba(0,0,0,.35)}
.dnd.no li::before{color:#ff8a8a;border:1px solid rgba(255,90,90,.4)}
.dnd.yes li::before{color:#6df0bd;border:1px solid rgba(75,230,170,.4)}
.dnd li b{color:#fff;display:block;margin-bottom:1px;font-size:14.2px}
/* checklist */
.check{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:760px){.check{grid-template-columns:1fr}}
.chk{display:flex;gap:13px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:16px 17px;cursor:pointer;transition:.18s}
.chk:hover{border-color:rgba(55,230,160,.4);background:rgba(26,40,56,.85)}
.chk input{position:absolute;opacity:0;width:0;height:0}
.box{width:24px;height:24px;min-width:24px;border-radius:7px;border:1.5px solid var(--muted2);display:grid;place-items:center;margin-top:2px;transition:.18s;font-size:13px}
.chk input:checked ~ .box{background:linear-gradient(135deg,var(--green),var(--cyan));border-color:transparent}
.chk input:checked ~ .box::after{content:"✓";color:#04241a;font-weight:900}
.chk .t{font-weight:700;font-size:14.5px}
.chk .d{font-size:13px;color:var(--muted);margin-top:2px}
/* emergency */
.emerg{background:radial-gradient(120% 140% at 100% 0%,rgba(255,40,40,.22),transparent 60%),linear-gradient(160deg,#160a0a,#0b0e16);border:1px solid var(--line2);border-radius:18px;padding:30px}
.emerg h2{margin:0 0 6px;font-size:clamp(23px,3vw,34px)}
.emerg ol{counter-reset:e;list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.emerg li{counter-increment:e;display:flex;gap:15px;background:rgba(0,0,0,.32);border:1px solid var(--line);border-radius:12px;padding:15px 17px}
.emerg li::before{content:counter(e);font-family:var(--mono);font-weight:900;color:#fff;background:var(--red);width:30px;height:30px;min-width:30px;border-radius:8px;display:grid;place-items:center;font-size:14px}
.emerg li b{color:#fff;display:block}
.emerg li p{margin:2px 0 0;color:var(--muted);font-size:13.6px}
/* source */
.src{font-size:13px;color:var(--muted);background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.src a{color:var(--cyan);text-decoration:none;border-bottom:1px dashed rgba(57,224,255,.4)}
.src a:hover{border-bottom-color:var(--cyan)}
.src code{font-family:var(--mono);font-size:12px;color:var(--amber)}
/* footer */
footer{border-top:1px solid var(--line);padding:34px 0 50px;color:var(--muted2);font-size:12.8px}
.foot-flex{display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.foot-flex a{color:var(--muted);text-decoration:none;border-bottom:1px solid transparent}
.foot-flex a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.banner{margin:26px 0 0;padding:14px 16px;border:1px dashed var(--line2);border-radius:11px;color:var(--amber);font-size:12.5px;background:rgba(255,176,32,.05)}
.pad{border:1px dashed rgba(255,90,90,.45);background:rgba(255,50,50,.06);border-radius:14px;padding:26px;text-align:center;color:var(--muted)}
.pad b{display:block;color:#ff8a8a;font-size:15px;margin-bottom:6px}
@media print{body{background:#fff;color:#111}.card,.dnd,.chk,.step{background:#fff!important;color:#111;border:1px solid #ccc}.navlinks,.lang,.figswap,.btn{display:none}}