:root{
  --bg:#ffffff; --surface:#ffffff; --surface2:#f4f4f4; --ink:#1a1a1a;
  --muted:#7a7a7a; --line:#e2e2e2;
  --accent1:#2E8BC0; --accent2:#1B3A4B; --head:#1B3A4B;
  --on-accent:#ffffff;
  --font-head:"Poppins","Segoe UI",system-ui,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,sans-serif;
  --radius:14px; --maxw:1180px;
  --top-bg:#ffffff; --top-ink:#1a1a1a; --top-accent:#2E8BC0;
  --hero-ink:#ffffff; --hero-g1:#2E8BC0; --hero-g2:#1B3A4B;
  --foot-bg:#1B3A4B; --foot-ink:#ffffff; --foot-accent:#F26B4E;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-weight:400;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 5vw}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 滚动进度条 ---------- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:70;
  background:var(--accent1);transition:width .1s linear}

/* ---------- 顶栏 ---------- */
.top{position:sticky;top:0;z-index:60;background:var(--top-bg);color:var(--top-ink);
  border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;justify-content:space-between;
  padding:13px 5vw;max-width:var(--maxw);margin:0 auto}
.brand{font-family:var(--font-head);font-weight:700;letter-spacing:.10em;
  font-size:19px;display:flex;align-items:center;gap:10px;text-transform:uppercase}
.brand img{width:24px;height:24px;border-radius:6px}
.top__nav{display:flex;gap:22px;font-family:var(--font-body);font-size:12px;
  letter-spacing:.08em;text-transform:uppercase}
.top__nav a{opacity:.78;transition:opacity .2s,color .2s}
.top__nav a:hover{opacity:1;color:var(--top-accent)}
/* 汉堡按钮（仅移动端显示） */
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:40px;border:0;background:transparent;cursor:pointer;
  padding:0;margin-left:auto}
.burger span{display:block;height:2px;width:22px;background:var(--top-ink);
  border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:flex-end;
  overflow:hidden;background:linear-gradient(135deg,var(--hero-g1),var(--hero-g2))}
.hero__img{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;mix-blend-mode:luminosity;animation:heroZoom 6s ease-out both}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero__veil{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.45) 100%)}
.hero__motif{position:absolute;left:0;right:0;bottom:-2px;width:100%;
  height:auto;opacity:.9;pointer-events:none}
.hero__cap{position:relative;z-index:3;color:var(--hero-ink);padding:0 5vw 7vh;
  width:100%;max-width:var(--maxw);margin:0 auto;animation:capUp 1.1s ease-out both}
@keyframes capUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.hero__cap .kicker{font-family:var(--font-body);font-size:13px;letter-spacing:.34em;
  text-transform:uppercase;opacity:.85;margin-bottom:14px}
.hero__cap h1{font-family:var(--font-head);font-weight:700;
  font-size:clamp(40px,8.5vw,86px);margin:0;line-height:1.0;letter-spacing:.01em;
  text-shadow:0 2px 24px rgba(0,0,0,.28)}
.hero__cap p{font-size:clamp(16px,2.4vw,22px);margin:16px 0 0;font-style:italic;opacity:.95}
.hero__scroll{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);
  z-index:3;color:var(--hero-ink);font-size:12px;letter-spacing:.2em;opacity:.8;
  animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- 分类导航（chips） ---------- */
.filterbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  padding:30px 5vw 6px;max-width:var(--maxw);margin:0 auto}
.filterbar .lbl{font-family:var(--font-head);font-weight:700;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-right:6px}
.pill{font-family:var(--font-body);font-size:12px;letter-spacing:.06em;
  text-transform:uppercase;padding:8px 16px;border:1px solid var(--line);
  border-radius:30px;color:var(--ink);background:var(--surface);cursor:pointer;
  transition:.2s}
.pill:hover{border-color:var(--accent1)}
.pill.on{background:var(--accent1);color:var(--on-accent);border-color:var(--accent1)}

/* ---------- 文章网格 ---------- */
.streamhead{display:flex;align-items:center;gap:14px;padding:18px 5vw 0;
  max-width:var(--maxw);margin:0 auto}
.streamhead .dot{width:34px;height:4px;background:var(--accent1);border-radius:2px}
.streamhead h2{font-family:var(--font-head);font-weight:700;font-size:22px;
  letter-spacing:.02em;margin:0}
.grid{display:grid;grid-template-columns:repeat(var(--cols,3),1fr);gap:26px;
  padding:22px 5vw 46px;max-width:var(--maxw);margin:0 auto}
.acard{display:flex;flex-direction:column;gap:0;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;
  animation:cardIn .5s ease-out both}
@keyframes cardIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.acard:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(0,0,0,.13)}
.acard .thumb{aspect-ratio:16/10;background-size:cover;background-position:center;
  border-bottom:3px solid var(--accent1)}
.acard .meta{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.acard .cat{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-body);
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent1)}
.acard .cat::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent1)}
.acard h3{font-family:var(--font-head);font-weight:700;font-size:19px;line-height:1.25;
  margin:0;color:var(--head)}
.acard .ex{font-size:14px;line-height:1.6;color:var(--muted);margin:0}
.acard .rt{font-family:var(--font-body);font-size:11px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--muted);margin-top:auto}
.acard .ar{align-self:flex-end;color:var(--accent1);font-size:18px;transition:transform .25s}
.acard:hover .ar{transform:translateX(5px)}

/* ---------- 页脚 ---------- */
.foot{margin-top:36px;background:var(--foot-bg);color:var(--foot-ink)}
.foot__in{max-width:var(--maxw);margin:0 auto;padding:42px 5vw;text-align:center}
.foot__in .big{font-family:var(--font-head);font-weight:700;letter-spacing:.10em;
  font-size:24px;margin-bottom:16px}
.foot__links{display:flex;justify-content:center;gap:26px;flex-wrap:wrap;
  font-family:var(--font-body);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.foot__links a:hover{color:var(--foot-accent)}
.foot__sub{margin-top:18px;font-family:var(--font-body);font-size:12px;opacity:.72;letter-spacing:.03em}
.social{display:flex;justify-content:center;gap:18px;margin:16px 0 6px}
.social a{width:32px;height:32px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.32);
  border-radius:50%;color:inherit;transition:.2s}
.social a:hover{border-color:var(--foot-accent);color:var(--foot-accent)}
.social svg{width:15px;height:15px;fill:currentColor}

/* ===================== 详情页 ===================== */
.det{display:grid;grid-template-columns:1fr 320px;gap:50px;
  max-width:var(--maxw);margin:0 auto;padding:40px 5vw 70px;align-items:start}
.det__main{min-width:0}
.det h1{font-family:var(--font-head);font-weight:700;color:var(--head);
  font-size:clamp(30px,4.6vw,52px);line-height:1.08;letter-spacing:.01em;margin:8px 0 0}
.det__meta{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--font-body);
  font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);
  border-bottom:1px solid var(--line);padding:14px 0 18px;margin-bottom:8px}
.det__meta .cat{color:var(--accent1)}
.herofig{margin:18px 0 26px}
.herofig img{width:100%;border-radius:var(--radius);border:1px solid var(--line)}
.herofig figcaption{font-family:var(--font-body);font-size:12px;color:var(--muted);margin-top:8px}
.det__body{max-width:720px}
.det__body p{margin:0 0 1.15em;font-size:17px;line-height:1.85}
.det__body p.lead{font-size:19px;color:var(--head);font-weight:500}
.det__body figure.bleed{margin:24px 0}
.det__body figure.bleed img{width:100%;border-radius:var(--radius)}
.det__body figure.bleed figcaption{font-size:12px;color:var(--muted);margin-top:8px}
.det__back{font-family:var(--font-body);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent1)}
.det__side{position:sticky;top:84px;display:flex;flex-direction:column;gap:22px}
.side__blk h4{font-family:var(--font-head);font-weight:700;font-size:15px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--head);margin:0 0 12px}
.side__card{display:flex;gap:12px;align-items:center;padding:8px;
  border:1px solid var(--line);border-radius:10px;margin-bottom:10px;transition:.2s;background:var(--surface)}
.side__card:hover{border-color:var(--accent1)}
.side__card .t{width:58px;height:44px;flex:0 0 58px;background-size:cover;background-position:center;border-radius:6px}
.side__card .ti{font-family:var(--font-head);font-size:13px;line-height:1.25;color:var(--head)}
.side__pick{border:1px solid var(--accent1);border-radius:10px;padding:12px;cursor:pointer}
.side__pick .ti{font-family:var(--font-head);font-size:15px;color:var(--head);line-height:1.3}
.sub{background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:16px}
.sub p{font-family:var(--font-body);font-size:12px;letter-spacing:.04em;text-transform:uppercase;margin:0 0 10px;color:var(--head)}
.sub input{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;
  font-family:var(--font-body);font-size:13px;background:var(--surface)}
.sub button{margin-top:8px;width:100%;padding:10px;border:0;background:var(--accent1);
  color:var(--on-accent);font-family:var(--font-body);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;cursor:pointer;border-radius:8px}
.sub button:hover{background:var(--accent2)}
.sub .note{font-family:var(--font-body);font-size:11px;color:var(--muted);margin:8px 0 0;text-transform:none;letter-spacing:0}

/* ===================== 三件套 ===================== */
.static{max-width:720px;margin:0 auto;padding:120px 5vw 80px}
.static h1{font-family:var(--font-head);font-weight:700;color:var(--head);
  font-size:clamp(30px,5vw,46px);margin:0 0 6px;letter-spacing:.02em}
.static .sub2{font-style:italic;color:var(--muted);margin:0 0 30px;font-size:17px}
.static h2{font-family:var(--font-head);font-size:22px;color:var(--head);margin:30px 0 8px}
.static p{font-size:16px;line-height:1.85}
.static a.mail{color:var(--accent1)}

/* ===================== 响应式 ===================== */
@media(max-width:900px){
  .det{grid-template-columns:1fr;gap:30px}
  .det__side{position:static}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  html,body{overflow-x:hidden;width:100%}
  .burger{display:flex}
  .top__nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:var(--top-bg);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease}
  .top__nav.open{max-height:260px}
  .top__nav a{padding:14px 6vw;width:100%;border-top:1px solid var(--line);
    opacity:1;font-size:13px}
  .top__nav a:first-child{border-top:0}
  .hero{min-height:64vh}
  .grid{grid-template-columns:1fr;padding:14px 6vw 30px}
  .det{padding:30px 6vw 60px}
  .static{padding:96px 6vw 60px}
  .wrap{padding:0 6vw}
}

:root{
  --cols:3;
  --bg:#1A1A1A;
  --surface:#242424;
  --surface2:#202020;
  --ink:#d7d7d7;
  --muted:#8f9a9a;
  --line:#343434;
  --accent1:#39FF14;
  --accent2:#FF6B35;
  --head:#39FF14;
  --on-accent:#0a0a0a;
  --font-head:'Roboto Mono','JetBrains Mono',ui-monospace,monospace;
  --font-body:'Inter','Segoe UI',system-ui,sans-serif;
  --radius:10px;
  --top-bg:#1A1A1A;
  --top-ink:#d7d7d7;
  --top-accent:#39FF14;
  --hero-ink:#ffffff;
  --hero-g1:#131313;
  --hero-g2:#2a2a2a;
  --foot-bg:#101010;
  --foot-ink:#d7d7d7;
  --foot-accent:#39FF14;
}


.hero__cap h1::before{content:"> ";color:var(--accent1);opacity:.9}
.hero__cap h1{letter-spacing:.02em}
.acard .thumb{border-bottom-color:var(--accent1)}
.streamhead .dot{background:var(--accent1)}