:root{
  --g:#C9A84C;--gl:#E8C76A;--gp:rgba(201,168,76,.11);--gd:#9A7A30;
  --s0:#0F0F0E;--s1:#151513;--s2:#1B1B19;--s3:#222220;--s4:#2A2A27;
  --b0:rgba(255,255,255,.06);--b1:rgba(255,255,255,.11);--b2:rgba(255,255,255,.18);
  --t0:rgba(255,255,255,.04);--t1:rgba(255,255,255,.07);
  --font:'Plus Jakarta Sans',sans-serif;--r:14px;--rp:999px;
  --ease:.28s cubic-bezier(.4,0,.2,1);--spring:.45s cubic-bezier(.34,1.4,.64,1);
  --shg:0 8px 28px rgba(201,168,76,.22);
}
*{box-sizing:border-box}
body{background:var(--s0);color:rgba(255,255,255,.72);font-family:var(--font);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.025em;color:#fff}
.gold{color:var(--g)}

/* ── BREADCRUMB ── */
.art-breadcrumb{background:var(--s1);border-bottom:1px solid var(--b0);padding:13px 0;font-size:12px;font-weight:500;color:rgba(255,255,255,.3)}
.art-breadcrumb a{color:rgba(255,255,255,.35);transition:color var(--ease)}
.art-breadcrumb a:hover{color:var(--g)}
.art-breadcrumb .sep{margin:0 8px;opacity:.3}

/* ── HERO ── */
.art-hero{position:relative;height:520px;overflow:hidden;background:var(--s1)}
@media(max-width:768px){.art-hero{height:320px}}
.art-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 8s ease;filter:brightness(.5)}
.art-hero:hover .art-hero-bg{transform:scale(1.04)}
.art-hero-scrim{position:absolute;inset:0;background:linear-gradient(to top,var(--s0) 0%,rgba(15,15,14,.6) 50%,rgba(15,15,14,.2) 100%)}
.art-hero-glow{position:absolute;inset:0;background:radial-gradient(ellipse 600px 400px at 50% 80%,rgba(201,168,76,.1) 0%,transparent 65%);pointer-events:none}
.art-hero-inner{position:absolute;bottom:0;left:0;right:0;padding:44px 0;z-index:2}
.art-cat-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--rp);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.12)}
.art-title{font-size:clamp(28px,4.5vw,54px);letter-spacing:-.035em;line-height:1.0;margin-bottom:20px;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.art-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.art-meta-item{display:flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.45);font-weight:500}
.art-meta-item i{color:var(--g);font-size:12px}
.art-meta-sep{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.2)}

/* ── LAYOUT ── */
.art-layout{padding:60px 0 80px;background:var(--s0)}
.art-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--g),var(--gl));z-index:9999;transition:width .1s linear;width:0%}

/* ── ARTICLE BODY ── */
.art-body{max-width:720px}
.art-lead{font-size:19px;color:rgba(255,255,255,.65);line-height:1.8;font-weight:400;margin-bottom:36px;font-style:italic;border-left:3px solid var(--g);padding-left:20px}
.art-content{font-size:15.5px;color:rgba(255,255,255,.62);line-height:1.9}
.art-content p{margin-bottom:22px}
.art-content h2{font-size:clamp(20px,2.5vw,28px);color:#fff;margin:44px 0 16px;letter-spacing:-.03em}
.art-content h3{font-size:clamp(17px,2vw,22px);color:rgba(255,255,255,.9);margin:32px 0 12px;letter-spacing:-.02em}
.art-content ul{padding-left:20px;margin-bottom:22px}
.art-content ul li{margin-bottom:8px;color:rgba(255,255,255,.6)}
.art-content ul li::marker{color:var(--g)}
.art-content strong{color:rgba(255,255,255,.88);font-weight:700}
.art-content a{color:var(--gl);border-bottom:1px solid rgba(201,168,76,.3);transition:all var(--ease)}
.art-content a:hover{color:var(--g);border-bottom-color:var(--g)}
/* pull quote */
.pull-quote{margin:36px 0;padding:24px 28px;background:var(--s2);border:1px solid var(--b1);border-left:4px solid var(--g);border-radius:0 var(--r) var(--r) 0;font-size:16px;color:rgba(255,255,255,.8);font-style:italic;line-height:1.75;position:relative}
.pull-quote::before{content:'"';position:absolute;top:-16px;left:20px;font-size:64px;font-weight:800;color:rgba(201,168,76,.15);line-height:1;font-style:normal}
/* callout box */
.callout{margin:32px 0;padding:20px 24px;background:var(--gp);border:1px solid rgba(201,168,76,.2);border-radius:var(--r);display:flex;gap:14px;align-items:flex-start}
.callout-icon{font-size:20px;color:var(--g);flex-shrink:0;margin-top:2px}
.callout p{margin:0;font-size:14px;color:rgba(255,255,255,.65);line-height:1.75}
/* key stats inside article */
.art-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:36px 0}
@media(max-width:576px){.art-stats{grid-template-columns:1fr 1fr}}
.as-item{background:var(--s2);border:1px solid var(--b0);border-radius:var(--r);padding:18px;text-align:center;transition:all var(--ease)}
.as-item:hover{border-color:rgba(201,168,76,.2);transform:translateY(-3px)}
.as-num{font-size:28px;font-weight:800;color:var(--g);letter-spacing:-.04em;line-height:1}
.as-label{font-size:11px;color:rgba(255,255,255,.3);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.06em}

/* ── TAGS ── */
.art-tags{display:flex;flex-wrap:wrap;gap:8px;margin:40px 0 0;padding-top:32px;border-top:1px solid var(--b0)}
.art-tag{padding:5px 14px;border-radius:var(--rp);background:var(--t0);border:1px solid var(--b1);font-size:12px;color:rgba(255,255,255,.4);font-weight:500;transition:all var(--ease);cursor:pointer}
.art-tag:hover{background:var(--gp);border-color:rgba(201,168,76,.25);color:var(--gl)}

/* ── AUTHOR ── */
.author-card{background:var(--s2);border:1px solid var(--b1);border-radius:18px;padding:24px 28px;display:flex;gap:20px;align-items:center;margin-top:44px}
@media(max-width:576px){.author-card{flex-direction:column;text-align:center}}
.author-avatar{width:64px;height:64px;border-radius:50%;background:var(--gp);border:2px solid rgba(201,168,76,.3);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;color:var(--g);flex-shrink:0;letter-spacing:-.02em}
.author-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:2px;letter-spacing:-.01em}
.author-role{font-size:12px;color:var(--g);font-weight:600;margin-bottom:8px;text-transform:uppercase;letter-spacing:.07em}
.author-bio{font-size:13px;color:rgba(255,255,255,.4);line-height:1.7;margin:0}

/* ── SHARE ── */
.share-bar{display:flex;align-items:center;gap:10px;margin-top:32px;padding:18px 22px;background:var(--s2);border:1px solid var(--b0);border-radius:var(--r)}
.share-label{font-size:12px;font-weight:700;color:rgba(255,255,255,.35);letter-spacing:.08em;text-transform:uppercase;margin-right:4px;white-space:nowrap}
.share-btn{width:38px;height:38px;border-radius:10px;background:var(--t0);border:1px solid var(--b1);color:rgba(255,255,255,.45);display:flex;align-items:center;justify-content:center;font-size:15px;cursor:pointer;transition:all var(--spring);text-decoration:none}
.share-btn:hover{background:var(--g);border-color:var(--g);color:#fff;transform:translateY(-3px);box-shadow:var(--shg)}
.copy-btn{margin-left:auto;font-size:12px;font-weight:600;color:rgba(255,255,255,.35);display:flex;align-items:center;gap:6px;cursor:pointer;background:none;border:none;padding:0;transition:color var(--ease)}
.copy-btn:hover{color:var(--gl)}

/* ── STICKY SIDEBAR ── */
.art-sidebar{position:sticky;top:80px}
.sb-card{background:var(--s2);border:1px solid var(--b0);border-radius:16px;overflow:hidden;margin-bottom:18px}
.sb-head{padding:14px 18px;border-bottom:1px solid var(--b0);font-size:12px;font-weight:700;color:rgba(255,255,255,.55);letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center;gap:7px}
.sb-head i{color:var(--g);font-size:13px}
/* table of contents */
.toc-item{display:block;padding:10px 18px;font-size:13px;color:rgba(255,255,255,.4);font-weight:500;border-bottom:1px solid var(--b0);transition:all var(--ease);cursor:pointer;border-left:2px solid transparent}
.toc-item:last-child{border-bottom:none}
.toc-item:hover,.toc-item.active{color:var(--gl);border-left-color:var(--g);background:var(--t0);padding-left:22px}
/* progress ring */
.read-progress{padding:16px 18px;display:flex;align-items:center;gap:12px}
.rp-ring{position:relative;width:44px;height:44px;flex-shrink:0}
.rp-ring svg{transform:rotate(-90deg)}
.rp-ring circle{fill:none;stroke-width:3}
.rp-track{stroke:var(--b1)}
.rp-fill{stroke:var(--g);stroke-linecap:round;stroke-dasharray:126;stroke-dashoffset:126;transition:stroke-dashoffset .2s}
.rp-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--gl)}
.rp-text{font-size:12px;color:rgba(255,255,255,.35);font-weight:500;line-height:1.4}
.rp-text strong{color:rgba(255,255,255,.6);display:block;font-size:13px}

/* ── RECENT NEWS ── */
.recent-section{background:var(--s1);border-top:1px solid var(--b0);padding:64px 0}
.rs-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.rs-title{font-size:clamp(22px,3vw,34px);letter-spacing:-.03em;margin:0}
.rs-link{font-size:13px;font-weight:700;color:var(--g);display:flex;align-items:center;gap:5px;transition:all var(--ease)}
.rs-link:hover{color:var(--gl);gap:10px}
.r-card{background:var(--s2);border:1px solid var(--b0);border-radius:16px;overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform var(--spring),box-shadow var(--ease),border-color var(--ease);position:relative}
.r-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--g),var(--gl));transform:scaleX(0);transition:transform var(--ease);transform-origin:left;z-index:2}
.r-card:hover{transform:translateY(-7px);box-shadow:0 22px 52px rgba(0,0,0,.45);border-color:rgba(201,168,76,.16)}
.r-card:hover::before{transform:scaleX(1)}
.r-img{height:172px;position:relative;overflow:hidden;background:var(--s3);flex-shrink:0}
.r-img-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55);transition:transform .6s ease,filter .4s ease}
.r-card:hover .r-img-bg{transform:scale(1.07);filter:brightness(.75)}
.r-img-scrim{position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,rgba(27,27,25,.8),transparent)}
.r-cat{position:absolute;top:11px;left:11px;z-index:2;font-size:10px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:4px 11px;border-radius:var(--rp);backdrop-filter:blur(6px)}
.rc-fleet{background:rgba(201,168,76,.85);color:#fff}
.rc-market{background:rgba(100,120,200,.8);color:#fff}
.rc-tips{background:rgba(122,140,110,.85);color:#fff}
.rc-tech{background:rgba(180,100,120,.8);color:#fff}
.r-body{padding:18px 20px;flex:1;display:flex;flex-direction:column}
.r-date{font-size:11px;color:rgba(255,255,255,.28);font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px}
.r-title{font-size:15px;font-weight:700;letter-spacing:-.02em;line-height:1.3;flex:1;color:rgba(255,255,255,.85);transition:color var(--ease);margin-bottom:12px}
.r-card:hover .r-title{color:var(--gl)}
.r-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--b0);margin-top:auto}
.r-read{font-size:11px;color:rgba(255,255,255,.28);font-weight:500}
.r-arrow{font-size:12px;font-weight:700;color:var(--g);display:flex;align-items:center;gap:3px;transition:all var(--ease)}
.r-card:hover .r-arrow{gap:7px;color:var(--gl)}

/* ── BACK TO TOP ── */
.btt{position:fixed;bottom:24px;right:24px;z-index:999;width:44px;height:44px;border-radius:50%;background:var(--g);color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:var(--shg);transition:all var(--spring);opacity:0;pointer-events:none;transform:translateY(10px)}
.btt.show{opacity:1;pointer-events:auto;transform:none}
.btt:hover{background:var(--gd);transform:translateY(-3px)}