:root{--bg:#0b0e11;--card:#12161b;--bd:#232830;--tx:#eaecef;--mt:#848e9c;--gold:#FCD535;--gold2:#f0b90b;--up:#2ebd85;--down:#f6465d}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Exo 2','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--tx);overflow-x:hidden;line-height:1.7}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
img{max-width:100%;height:auto;border-radius:12px;margin:14px 0}
/* 全屏分屏 */
.slide{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:70px 24px}
.slide-in{max-width:1100px;width:100%;margin:0 auto}
.nav-dots{position:fixed;right:28px;top:50%;transform:translateY(-50%);z-index:100;display:flex;flex-direction:column;gap:14px}
.nav-dots a{width:10px;height:10px;border-radius:50%;background:rgba(252,213,53,.3);display:block;transition:all .3s}
.nav-dots a.on{background:var(--gold);transform:scale(1.4);box-shadow:0 0 10px rgba(252,213,53,.6)}
.top{position:fixed;top:0;left:0;right:0;z-index:90;display:flex;align-items:center;padding:18px 32px;background:linear-gradient(180deg,rgba(11,14,17,.92),transparent)}
.logo{font-weight:800;font-size:18px;display:flex;align-items:center;gap:8px}
.logo .b{width:26px;height:26px;background:var(--gold);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#0b0e11;font-weight:900}
.top-right{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn-o{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#0b0e11;font-weight:700;padding:9px 20px;border-radius:8px;font-size:13px;display:inline-block}
.btn-line{color:#fff;border:1px solid #2b3139;padding:9px 18px;border-radius:8px;font-size:13px;display:inline-block}
/* S1 */
.s1{background:radial-gradient(ellipse at 30% 20%,#1a1d24 0%,var(--bg) 60%)}
.s1 .num{font-size:14px;color:var(--gold);letter-spacing:3px;margin-bottom:20px;font-weight:600}
.s1 .overline{display:inline-block;font-size:12px;color:var(--gold);border:1px solid rgba(252,213,53,.4);padding:5px 16px;border-radius:9999px;letter-spacing:1px;margin-bottom:24px}
.s1 h1{font-size:52px;font-weight:800;line-height:1.15;letter-spacing:-1px}
.s1 h1 .gold{background:linear-gradient(90deg,var(--gold),#ffb347);-webkit-background-clip:text;background-clip:text;color:transparent}
.s1 p{color:var(--mt);font-size:16px;margin:24px 0 36px;max-width:560px;line-height:1.9}
.s1-cta{display:flex;gap:16px}
.s1-cta .btn-o{font-size:15px;padding:14px 32px}
.s1-cta .btn-line{font-size:15px;padding:14px 32px}
.s1-scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);font-size:12px;color:#5e6673;letter-spacing:2px}
.s1-scroll::after{content:'↓';display:block;text-align:center;margin-top:6px;color:var(--gold);font-size:16px}
/* S2 */
.s2 .num{font-size:14px;color:var(--gold);letter-spacing:3px;margin-bottom:14px;font-weight:600}
.s2 .overline{font-size:12px;color:var(--mt);letter-spacing:2px;margin-bottom:8px}
.s2 h2{font-size:38px;font-weight:800;margin-bottom:44px}
.secs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sec{text-align:center;padding:32px 18px;background:var(--card);border:1px solid var(--bd);border-radius:14px}
.sec .ic{font-size:28px;margin-bottom:14px}
.sec .n{font-size:15px;font-weight:700;margin-bottom:8px}
.sec .l{font-size:12px;color:var(--mt);line-height:1.6}
/* S3 */
.s3 h2{font-size:38px;font-weight:800;margin-bottom:40px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.col{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:26px}
.col h3{font-size:16px;font-weight:700;margin-bottom:18px;color:var(--gold)}
.item{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid #1a1e25;font-size:14px;color:#b7bdc6}
.item:last-child{border-bottom:none}
.item .tag{font-size:10px;background:rgba(252,213,53,.15);color:var(--gold);padding:3px 10px;border-radius:4px;flex-shrink:0;margin-left:12px}
/* S4 */
.s4{background:radial-gradient(ellipse at 50% 100%,#1a1d24 0%,var(--bg) 70%);text-align:center}
.s4 .num{font-size:14px;color:var(--gold);letter-spacing:3px;margin-bottom:20px;font-weight:600}
.s4 h2{font-size:44px;font-weight:800;margin-bottom:16px}
.s4 h2 .gold{background:linear-gradient(90deg,var(--gold),#ffb347);-webkit-background-clip:text;background-clip:text;color:transparent}
.s4 p{color:var(--mt);font-size:16px;margin-bottom:36px}
.s4 .btn-o{font-size:16px;padding:15px 40px;display:inline-block}
.s4 .foot-note{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);font-size:11px;color:#5e6673}
/* 分类页 */
.cat-head{padding:90px 0 30px;text-align:center;background:#0b0e11}
.cat-head h1{font-size:30px;font-weight:800}
.cat-head p{color:var(--mt);font-size:14px;margin-top:8px}
.crumb{font-size:13px;color:#5e6673;margin-bottom:12px}
.crumb a:hover{color:var(--gold)}
.list-wrap{padding:30px 0 60px}
.art-row{display:flex;justify-content:space-between;align-items:center;background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:18px 22px;margin-bottom:12px;transition:border-color .2s}
.art-row:hover{border-color:rgba(252,213,53,.35)}
.art-row h3{font-size:15px;font-weight:600}
.art-row .a-tag{font-size:11px;color:var(--gold);background:rgba(252,213,53,.08);padding:3px 10px;border-radius:9999px;margin-right:12px}
.art-row .a-date{color:#5e6673;font-size:12px;margin-left:16px}
.pager{display:flex;gap:8px;justify-content:center;padding:24px 0}
.pager a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--bd);border-radius:8px;font-size:14px;color:#b7bdc6;background:var(--card)}
.pager a.cur{background:var(--gold);color:#0b0e11}
/* 文章页 */
.art-top{padding:90px 0 24px;background:#0b0e11}
.art-top h1{font-size:26px;font-weight:800;line-height:1.4}
.art-top .meta{display:flex;gap:20px;color:#5e6673;font-size:13px;margin-top:12px}
.art-main{padding:20px 0 60px}
.art-body{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:32px;font-size:15px;line-height:1.9;color:#c8ccd4}
.art-body h2{font-size:20px;font-weight:700;margin:28px 0 14px;color:var(--tx);padding-left:12px;border-left:3px solid var(--gold)}
.art-body p{margin:12px 0}
.art-rel{margin-top:24px}
.art-rel h3{font-size:17px;font-weight:700;margin-bottom:14px}
.r-li{display:flex;justify-content:space-between;background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:14px 18px;margin-bottom:10px;font-size:14px}
.r-li time{color:#5e6673;font-size:12px}
.art-nav{display:flex;justify-content:space-between;margin:24px 0}
.art-nav a{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:14px 18px;font-size:13px;max-width:45%}
.art-nav span{color:var(--gold);font-weight:600;display:block;margin-bottom:4px}
.art-back{display:inline-block;color:var(--gold);font-weight:600;font-size:14px}
/* L1 安全等级卡片瀑布 */
.sec-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;padding:36px 0 24px}
.sec-card{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:22px;transition:transform .2s,box-shadow .2s}
.sec-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.3)}
.sec-card .sc-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.sec-card .sc-ic{font-size:20px}
.sec-card .sc-type{font-size:11px;color:#b7bdc6;background:#1a1e25;padding:3px 10px;border-radius:9999px}
.sec-card .sc-level{font-size:11px;font-weight:700;padding:3px 10px;border-radius:4px;margin-left:auto}
.sec-card .sc-title{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.5}
.sec-card .sc-desc{color:var(--mt);font-size:13px;line-height:1.7}
.sec-card .sc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;color:#5e6673;font-size:12px}
.sec-card .sc-go{font-weight:600}
/* L2 安全报告式 */
.rep-head{padding:90px 0 0;background:#0b0e11}
.rep-banner{background:linear-gradient(135deg,#12161b,#1a1e25);border:1px solid var(--bd);border-radius:16px;padding:28px 32px;margin-top:16px;position:relative}
.rep-badge{display:inline-block;background:rgba(252,213,53,.12);color:var(--gold);font-size:12px;padding:4px 14px;border-radius:9999px;margin-bottom:14px;letter-spacing:1px}
.rep-banner h1{font-size:26px;font-weight:800;line-height:1.4}
.rep-meta{display:flex;gap:24px;color:#5e6673;font-size:13px;margin-top:12px}
.rep-summary{display:flex;gap:12px;flex-wrap:wrap;padding:18px 0 6px}
.rep-pt{font-size:12px;color:#2ebd85;background:rgba(46,189,133,.1);border:1px solid rgba(46,189,133,.25);padding:6px 14px;border-radius:9999px}
.rep-main{padding:24px 0 60px}
.rep-body{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:32px;font-size:15px;line-height:1.9;color:#c8ccd4}
.rep-body h2{font-size:20px;font-weight:700;margin:28px 0 14px;color:var(--tx);padding-left:12px;border-left:3px solid var(--gold)}
.rep-body p{margin:12px 0}
.rep-verify{display:flex;align-items:center;gap:10px;background:rgba(46,189,133,.06);border:1px solid rgba(46,189,133,.2);border-radius:10px;padding:14px 18px;font-size:13px;color:#b7bdc6;margin-top:20px}
.rep-verify .rv-ic{color:#2ebd85;font-weight:700}
.rep-rel{margin-top:24px}
.rep-rel h3{font-size:17px;font-weight:700;margin-bottom:14px}
.rep-rel .rep-rel{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:14px 18px;margin-bottom:10px;font-size:14px}
.rep-rel .rr-ic{color:var(--gold)}
.rep-nav{display:flex;justify-content:space-between;margin:24px 0}
.rep-nav a{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:14px 18px;font-size:13px;max-width:45%}
.rep-nav span{color:var(--gold);font-weight:600;display:block;margin-bottom:4px}
.rep-back{display:inline-block;color:var(--gold);font-weight:600;font-size:14px}
/* 页脚 */
footer{background:#080a0d;color:var(--mt);padding:48px 0 0;border-top:1px solid var(--bd)}
.foot-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;padding-bottom:36px}
.foot-col h4{color:#fff;font-size:14px;margin-bottom:14px}
.foot-col a{display:block;font-size:13px;margin-bottom:10px}
.foot-col a:hover{color:var(--gold)}
.foot-bar{border-top:1px solid var(--bd);padding:18px 0;display:flex;justify-content:space-between;font-size:12px;color:#5e6673}
@media(max-width:900px){
  .s1 h1{font-size:36px}.s2 h2,.s3 h2,.s4 h2{font-size:28px}
  .secs{grid-template-columns:1fr 1fr;gap:14px}
  .cols{grid-template-columns:1fr;gap:16px}
  .sec-card-grid{grid-template-columns:1fr;gap:14px}
  .rep-body{padding:20px}
  .rep-banner{padding:20px}
  .nav-dots{right:12px}
  .top{padding:14px 20px}
  .top .top-nav{display:none}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .art-body{padding:20px}
}