/* roulang page: index */
:root{
  --amber:#EF6C1A;
  --amber-dark:#D95B12;
  --amber-soft:rgba(239,108,26,.10);
  --amber-tint:rgba(239,108,26,.06);
  --graphite:#171A1F;
  --graphite-2:#20242B;
  --lime:#B7F03C;
  --bg:#F4F6F7;
  --panel:#FFFFFF;
  --border:#D8DEE1;
  --text:#2A3138;
  --muted:#6B7680;
  --on-dark:#C9D0D3;
  --r-card:6px;
  --r-btn:4px;
  --r-tag:2px;
  --shadow:0 6px 18px rgba(23,26,31,.07);
  --shadow-hover:0 10px 26px rgba(23,26,31,.12);
  --sec-pad:88px;
  --mono:"Barlow Condensed","JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .16s ease-out,border-color .16s ease-out,background-color .16s ease-out}
img{max-width:100%;height:auto;display:block;border:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--amber);color:#fff}

.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}
.container-wide{width:100%;max-width:1400px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--graphite);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:padding .2s ease-out,box-shadow .2s ease-out;
}
.site-header .header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;padding:12px 0;
  transition:min-height .2s ease-out,padding .2s ease-out;
}
.site-header.is-scrolled .header-inner{min-height:58px;padding:6px 0}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(0,0,0,.28)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  position:relative;width:38px;height:38px;border-radius:6px;
  background:var(--graphite-2);overflow:hidden;flex:0 0 auto;
  border:1px solid rgba(255,255,255,.14);
}
.brand-mark::before{
  content:"";position:absolute;inset:-6px;
  background:repeating-linear-gradient(45deg,rgba(239,108,26,.95) 0 4px,rgba(239,108,26,0) 4px 11px);
}
.brand-mark::after{
  content:"";position:absolute;right:6px;bottom:6px;width:8px;height:8px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(183,240,60,.18)
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--on-dark);letter-spacing:.16em;text-transform:uppercase;font-family:var(--mono)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.main-nav a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--on-dark);position:relative;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .16s ease-out;
}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:#fff;font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1);background:var(--amber)}
.header-cta{flex:0 0 auto}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-btn);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;transition:transform .16s ease-out,opacity .16s ease-out}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  display:none;background:var(--graphite-2);border-top:1px solid rgba(255,255,255,.08);
  padding:14px 0 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:12px 4px;color:var(--on-dark);font-size:16px;
  border-bottom:1px dashed rgba(255,255,255,.1);min-height:44px;
}
.mobile-drawer a:hover{color:var(--lime)}
.mobile-drawer .drawer-steps{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}
.mobile-drawer .drawer-steps a{display:flex;align-items:center;gap:10px;font-size:14px;border-bottom:none;padding:9px 4px}
.mobile-drawer .drawer-steps .num{color:var(--amber)}

/* ---------- 进度步骤条 ---------- */
.step-bar{
  background:#12151A;border-bottom:1px solid rgba(255,255,255,.07);
  overflow-x:auto;scrollbar-width:none;
}
.step-bar::-webkit-scrollbar{display:none}
.step-bar-inner{display:flex;align-items:center;min-width:640px;padding:0}
.step{
  position:relative;flex:1 1 0;display:flex;align-items:center;gap:10px;
  padding:13px 12px;color:var(--on-dark);font-size:13.5px;white-space:nowrap;
}
.step::after{
  content:"";position:absolute;right:-1px;top:50%;width:1px;height:16px;margin-top:-8px;
  background:#D8DEE1;opacity:.35;
}
.step:last-child::after{display:none}
.step .step-num{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.step .step-dot{
  width:8px;height:8px;border-radius:1px;background:#D8DEE1;flex:0 0 auto;transform:rotate(45deg);
  transition:background .16s ease-out,box-shadow .16s ease-out;
}
.step.is-done .step-dot{background:var(--amber)}
.step.is-active{color:#fff;font-weight:700}
.step.is-active .step-dot{background:var(--lime);box-shadow:0 0 0 3px rgba(183,240,60,.2)}
.step.is-active .step-num{color:var(--lime)}
.step:hover{color:#fff}
.step:hover .step-dot{background:var(--amber)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--amber);color:var(--graphite);box-shadow:0 6px 16px rgba(239,108,26,.24)}
.btn-primary:hover{background:var(--amber-dark);color:#fff;transform:translateY(1px);box-shadow:0 3px 10px rgba(239,108,26,.28)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:var(--graphite);border-color:var(--graphite);color:#fff}
.btn-dark-ghost{background:transparent;color:var(--graphite);border:1px solid var(--graphite)}
.btn-dark-ghost:hover{background:var(--graphite);color:#fff}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--graphite);color:#fff;overflow:hidden;
  background-image:linear-gradient(rgba(23,26,31,.55),rgba(23,26,31,.55)),url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-inner{position:relative;z-index:2;padding:76px 0 0}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;color:var(--lime);
  border:1px solid rgba(183,240,60,.35);border-radius:var(--r-tag);padding:4px 10px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:900;letter-spacing:-.015em;
  margin:22px 0 0;max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero-lead{
  margin-top:18px;font-size:17px;color:#E4E8EA;max-width:44em;font-weight:500;
}
.hero-desc{
  margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--on-dark);max-width:52em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:46px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-stat{padding:20px 20px 0 0;position:relative}
.hero-stat + .hero-stat{padding-left:22px}
.hero-stat + .hero-stat::before{
  content:"";position:absolute;left:0;top:20px;bottom:6px;width:1px;background:rgba(255,255,255,.16);
}
.hero-stat .stat-value{font-family:var(--mono);font-size:32px;line-height:1;color:#fff;font-weight:600}
.hero-stat .stat-value i{font-style:normal;font-size:15px;color:var(--amber);margin-left:3px}
.hero-stat .stat-label{display:block;margin-top:8px;font-size:13px;color:var(--on-dark)}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:10px;padding:26px 0 40px;margin-top:8px;
  border-top:1px solid rgba(255,255,255,.14);
}
.badge-dark{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:#DDE2E4;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-tag);padding:6px 12px;
}
.badge-dark i{width:6px;height:6px;background:var(--lime);border-radius:1px;transform:rotate(45deg);display:inline-block}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0}
.section-alt{background:#EDF0F1}
.section-dark{background:var(--graphite);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px;flex-wrap:wrap}
.sec-head-left{max-width:52em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:12px;letter-spacing:.14em;color:var(--amber);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--amber);display:inline-block}
.section-dark .eyebrow{color:var(--lime)}
.section-dark .eyebrow::before{background:var(--lime)}
.sec-title{
  font-size:clamp(23px,2.6vw,33px);font-weight:800;line-height:1.3;color:var(--graphite);letter-spacing:-.01em;
}
.sec-title::before{
  content:"";display:inline-block;width:5px;height:22px;background:var(--amber);
  margin-right:13px;vertical-align:-3px;transform:skewX(-18deg);
}
.section-dark .sec-title{color:#fff}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:64em}
.section-dark .sec-sub{color:var(--on-dark)}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--amber);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.sec-link:hover{border-bottom-color:var(--amber)}
.sec-link::after{content:"→";font-family:var(--mono)}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.metric-card{
  background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--amber);
  border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--shadow);
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.metric-value{font-family:var(--mono);font-size:38px;line-height:1;font-weight:600;color:var(--graphite)}
.metric-value i{font-style:normal;font-size:15px;color:var(--amber);margin-left:3px}
.metric-name{margin-top:10px;font-size:14px;font-weight:700;color:var(--graphite)}
.metric-note{margin-top:6px;font-size:12.5px;color:var(--muted);line-height:1.6}
.metric-spark{margin-top:14px;height:26px;width:100%}
.metric-spark polyline{fill:none;stroke:var(--lime);stroke-width:2}
.metric-spark .base{stroke:var(--border);stroke-width:1;stroke-dasharray:3 3}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.bento-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.bento-card:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.bento-card.is-lg{grid-column:span 3;grid-row:span 2;background:var(--graphite);color:#fff;border-color:var(--graphite)}
.bento-card.is-md{grid-column:span 3}
.bento-card.is-sm{grid-column:span 2}
.bento-icon{
  width:44px;height:44px;border-radius:var(--r-card);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-bottom:16px;
  background:#FAFBFB;
}
.bento-card.is-lg .bento-icon{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.05)}
.bento-icon svg{width:22px;height:22px;stroke:var(--amber);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.bento-card h3{font-size:18px;font-weight:800;color:var(--graphite);line-height:1.4}
.bento-card.is-lg h3{font-size:22px;color:#fff}
.bento-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}
.bento-card.is-lg p{color:var(--on-dark);font-size:15.5px;max-width:44em}
.bento-foot{margin-top:auto;padding-top:18px}
.bento-link{font-size:14px;font-weight:700;color:var(--amber);border-bottom:1px solid transparent;padding-bottom:2px}
.bento-link:hover{border-bottom-color:var(--amber)}
.bento-card.is-lg .bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.bento-card.is-lg .bento-tags span{
  font-family:var(--mono);font-size:12px;color:var(--lime);border:1px solid rgba(183,240,60,.3);
  border-radius:var(--r-tag);padding:3px 9px;
}

/* ---------- 内容日历 ---------- */
.cal-list{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden}
.cal-row{
  display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;
  padding:18px 24px;border-bottom:1px dashed var(--border);
}
.cal-row:last-child{border-bottom:0}
.cal-row:hover{background:#FAFBFB}
.cal-date{font-family:var(--mono);font-size:15px;color:var(--graphite);font-weight:600}
.cal-title{font-size:15px;color:var(--text)}
.cal-tag{
  font-size:12px;color:var(--amber);background:var(--amber-soft);border-radius:var(--r-tag);
  padding:3px 9px;white-space:nowrap;
}

/* ---------- 横向滚动轨 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 20px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.rail-card:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7EAEB}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-tag{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;
  background:var(--amber);color:var(--graphite);border-radius:var(--r-tag);padding:3px 9px;
}
.rail-body{padding:18px 20px 22px}
.rail-body h3{font-size:16.5px;font-weight:800;color:var(--graphite);line-height:1.45}
.rail-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-btn);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--graphite);font-size:17px;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.rail-btn:hover{background:var(--graphite);color:#fff;border-color:var(--graphite)}
.rail-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.compare-col{padding:0}
.compare-head{padding:20px 26px;font-size:15px;font-weight:800;color:var(--graphite);border-bottom:1px solid var(--border);background:#F7F9F9}
.compare-col.is-new .compare-head{background:var(--amber-tint);color:var(--amber-dark)}
.compare-col.is-new{border-left:1px solid var(--border)}
.compare-row{display:grid;grid-template-columns:1fr;gap:4px;padding:18px 26px;border-bottom:1px dashed var(--border);min-height:92px}
.compare-col .compare-row:last-child{border-bottom:0}
.compare-row .cr-label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted)}
.compare-row .cr-text{font-size:14.5px;line-height:1.75;color:var(--text)}
.compare-col.is-new .compare-row{background:var(--amber-tint)}
.compare-col.is-new .compare-row .cr-text{color:var(--graphite);font-weight:500}

/* ---------- 观点解读 ---------- */
.insight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.insight-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);border-top:3px solid var(--graphite);
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.insight-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.insight-card .num-mark{font-family:var(--mono);font-size:13px;color:var(--amber);letter-spacing:.1em}
.insight-card h3{margin-top:12px;font-size:18px;font-weight:800;color:var(--graphite);line-height:1.5}
.insight-card p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 里程碑时间轴 ---------- */
.timeline-wrap{overflow-x:auto;scrollbar-width:thin;padding-bottom:8px}
.timeline{display:flex;min-width:860px;position:relative;padding-top:34px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:11px;height:2px;background:rgba(255,255,255,.18)}
.timeline::after{content:"";position:absolute;left:0;top:11px;height:2px;width:58%;background:var(--lime)}
.tl-node{flex:1 1 0;position:relative;padding-right:22px}
.tl-node::before{
  content:"";position:absolute;left:0;top:-30px;width:12px;height:12px;background:#fff;
  transform:rotate(45deg);border-radius:1px;
}
.tl-node.is-done::before{background:var(--lime)}
.tl-node .tl-date{font-family:var(--mono);font-size:13px;color:var(--amber);letter-spacing:.06em}
.tl-node h3{margin-top:10px;font-size:16.5px;font-weight:800;color:#fff;line-height:1.5}
.tl-node p{margin-top:8px;font-size:14px;color:var(--on-dark);line-height:1.75}

/* ---------- 上手流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.flow-card{
  position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.flow-card:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.flow-card::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:3px;background:var(--border);border-radius:3px 3px 0 0;
}
.flow-card.is-active::before{background:var(--amber)}
.flow-step{font-family:var(--mono);font-size:13px;color:var(--amber);letter-spacing:.14em}
.flow-card h3{margin-top:12px;font-size:18px;font-weight:800;color:var(--graphite)}
.flow-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}
.flow-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:12.5px;color:var(--graphite);background:#EFF2F3;border-radius:var(--r-tag);padding:4px 10px;
  font-family:var(--mono);
}
.flow-link{display:inline-block;margin-top:14px;font-size:14px;font-weight:700;color:var(--amber)}
.flow-link:hover{color:var(--amber-dark)}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
.news-list{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.news-item{
  position:relative;display:block;padding:20px 24px;border-bottom:1px dashed var(--border);
  transition:background-color .16s ease-out;
}
.news-item:last-child{border-bottom:0}
.news-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--amber);
  transform:scaleY(0);transform-origin:center;transition:transform .16s ease-out;
}
.news-item:hover{background:#FAFBFB}
.news-item:hover::before{transform:scaleY(1)}
.news-meta{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.news-meta .tag{
  font-family:"Noto Sans SC",sans-serif;font-size:12px;color:var(--amber);
  background:var(--amber-soft);border-radius:var(--r-tag);padding:2px 8px;
}
.news-item h3{margin-top:10px;font-size:17px;font-weight:800;color:var(--graphite);line-height:1.5}
.news-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.news-side{display:flex;flex-direction:column;gap:22px}
.side-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow)}
.side-panel h3{font-size:15px;font-weight:800;color:var(--graphite);display:flex;align-items:center;gap:8px}
.side-panel h3::before{content:"";width:4px;height:15px;background:var(--amber);transform:skewX(-18deg)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-cloud span{
  font-size:12.5px;color:var(--muted);background:#F2F4F5;border:1px solid var(--border);
  border-radius:var(--r-tag);padding:5px 10px;
}
.tag-cloud span.is-hot{color:var(--amber);background:var(--amber-soft);border-color:rgba(239,108,26,.25)}
.hot-list{margin-top:14px}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.hot-list li:last-child{border-bottom:0}
.hot-list .rank{font-family:var(--mono);font-size:13px;color:var(--amber);flex:0 0 auto}
.hot-list a{color:var(--text)}
.hot-list a:hover{color:var(--amber)}

/* ---------- 媒体精选 ---------- */
.media-list{display:flex;flex-direction:column;gap:18px}
.media-item{
  display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:center;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.media-item:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.media-thumb{aspect-ratio:16/9;border-radius:var(--r-card);overflow:hidden;background:#E7EAEB}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.media-item:hover .media-thumb img{transform:scale(1.03)}
.media-body .media-meta{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.media-body h3{margin-top:10px;font-size:19px;font-weight:800;color:var(--graphite);line-height:1.5}
.media-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 数据分析 ---------- */
.data-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.data-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow)}
.data-panel h3{font-size:16.5px;font-weight:800;color:var(--graphite)}
.data-panel > p{margin-top:8px;font-size:14px;color:var(--muted)}
.bar-list{margin-top:20px;display:flex;flex-direction:column;gap:16px}
.bar-item .bar-top{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text)}
.bar-item .bar-top .num{color:var(--graphite);font-weight:600}
.bar-track{margin-top:8px;height:8px;border-radius:2px;background:#EDF0F1;overflow:hidden}
.bar-fill{height:100%;background:var(--amber);border-radius:2px}
.bar-fill.is-lime{background:var(--lime)}

/* ---------- 平台保障 ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.trust-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .16s ease-out,border-color .16s ease-out;
}
.trust-card:hover{transform:translateY(-2px);border-color:var(--amber)}
.trust-num{font-family:var(--mono);font-size:14px;color:var(--amber);letter-spacing:.12em}
.trust-card svg{width:26px;height:26px;stroke:var(--graphite);fill:none;stroke-width:1.5;margin:16px 0 14px;stroke-linecap:round;stroke-linejoin:round}
.trust-card h3{font-size:16.5px;font-weight:800;color:var(--graphite)}
.trust-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 快速解答 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.quick-card{
  background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--lime);
  border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--shadow);
}
.quick-card h3{font-size:16px;font-weight:800;color:var(--graphite);line-height:1.55}
.quick-card p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{max-width:1000px}
.faq-item{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
}
.faq-item[open]{border-color:rgba(239,108,26,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--graphite);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex:0 0 auto;border-right:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(45deg);transition:transform .18s ease-out;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item summary:hover{color:var(--amber-dark)}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- 用户口碑 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.quote-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.quote-card blockquote{font-size:15px;color:var(--text);line-height:1.85}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--border)}
.quote-avatar{
  width:42px;height:42px;border-radius:var(--r-card);flex:0 0 auto;overflow:hidden;background:var(--graphite);
  display:flex;align-items:center;justify-content:center;
}
.quote-avatar span{font-family:var(--mono);font-size:14px;color:var(--lime)}
.quote-user .qu-role{font-size:13.5px;color:var(--muted)}

/* ---------- 专题合集 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.topic-block{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.topic-block:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.topic-block::after{
  content:"";position:absolute;right:-12px;top:-12px;width:56px;height:56px;
  background:repeating-linear-gradient(45deg,rgba(239,108,26,.16) 0 3px,rgba(239,108,26,0) 3px 9px);
}
.topic-block h3{font-size:17px;font-weight:800;color:var(--graphite);line-height:1.5}
.topic-block p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
.topic-link{display:inline-block;margin-top:16px;font-size:14px;font-weight:700;color:var(--amber)}
.topic-link:hover{color:var(--amber-dark)}

/* ---------- 转化表单 ---------- */
.form-section{background:var(--graphite);color:#fff;position:relative;overflow:hidden}
.form-section::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.form-layout{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.form-intro h2{font-size:clamp(23px,2.6vw,33px);font-weight:800;line-height:1.32;color:#fff}
.form-intro p{margin-top:16px;font-size:15.5px;color:var(--on-dark);line-height:1.85;max-width:34em}
.form-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.form-points li{display:flex;gap:10px;font-size:14.5px;color:#DDE2E4}
.form-points li::before{
  content:"";width:8px;height:8px;background:var(--lime);border-radius:1px;transform:rotate(45deg);
  flex:0 0 auto;margin-top:9px;
}
.form-card{
  background:var(--panel);border-radius:var(--r-card);padding:32px;box-shadow:0 12px 32px rgba(0,0,0,.22);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--graphite);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:#FBFCFC;font-size:15px;color:var(--text);transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);box-shadow:0 0 0 2px var(--lime);
}
.form-card .btn{width:100%}
.form-privacy{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--graphite);color:var(--on-dark);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--on-dark);max-width:32em}
.footer-col h4{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.footer-col h4::before{content:"";width:4px;height:14px;background:var(--amber);transform:skewX(-18deg)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--on-dark)}
.footer-col ul a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7}
.footer-contact .fc-label{color:#8A9499;flex:0 0 62px;font-family:var(--mono);font-size:12.5px;padding-top:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:#8A9499;
}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media screen and (max-width:1023px){
  :root{--sec-pad:64px}
  .main-nav{display:none}
  .header-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .hero-inner{padding-top:56px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
  .hero-stat{padding:18px 18px 0 0}
  .hero-stat + .hero-stat:nth-child(odd){padding-left:0}
  .hero-stat + .hero-stat:nth-child(odd)::before{display:none}
  .bento-card.is-lg{grid-column:span 6;grid-row:auto}
  .bento-card.is-md{grid-column:span 3}
  .bento-card.is-sm{grid-column:span 3}
  .news-layout{grid-template-columns:1fr}
  .media-item{grid-template-columns:200px 1fr;gap:18px}
  .form-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .insight-grid,.quote-grid,.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .data-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare{grid-template-columns:1fr}
  .compare-col.is-new{border-left:0;border-top:1px solid var(--border)}
}
@media screen and (max-width:767px){
  :root{--sec-pad:48px}
  .container,.container-wide{padding:0 18px}
  body{font-size:15px}
  .hero h1{max-width:100%}
  .hero-actions .btn{width:100%}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .metric-value{font-size:30px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento-card.is-lg,.bento-card.is-md,.bento-card.is-sm{grid-column:span 2}
  .cal-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .cal-tag{justify-self:start}
  .insight-grid,.quote-grid,.topic-grid,.flow-grid,.trust-grid,.quick-grid{grid-template-columns:1fr}
  .media-item{grid-template-columns:1fr}
  .rail-card{flex:0 0 82%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .form-card{padding:22px}
  .form-row{grid-template-columns:1fr}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
  .sec-head{align-items:flex-start}
}
@media screen and (max-width:519px){
  .metric-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat{padding:14px 0 0}
  .hero-stat + .hero-stat{padding-left:0}
  .hero-stat + .hero-stat::before{display:none}
  .hero-stat + .hero-stat{border-top:1px solid rgba(255,255,255,.14);margin-top:14px;padding-top:14px}
}

/* roulang page: category1 */
:root{
 --amber:#EF6C1A;
 --amber-dark:#D95B12;
 --amber-soft:rgba(239,108,26,.10);
 --amber-tint:rgba(239,108,26,.06);
 --graphite:#171A1F;
 --graphite-2:#20242B;
 --lime:#B7F03C;
 --bg:#F4F6F7;
 --panel:#FFFFFF;
 --border:#D8DEE1;
 --text:#2A3138;
 --muted:#6B7680;
 --on-dark:#C9D0D3;
 --r-card:6px;
 --r-btn:4px;
 --r-tag:2px;
 --shadow:0 6px 18px rgba(23,26,31,.07);
 --shadow-hover:0 10px 26px rgba(23,26,31,.12);
 --sec-pad:88px;
 --mono:"Barlow Condensed","JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.75;letter-spacing:.01em;
 color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .16s ease-out,border-color .16s ease-out,background-color .16s ease-out}
img{max-width:100%;height:auto;display:block;border:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.3;font-weight:800;color:var(--graphite)}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:900;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);letter-spacing:.02em}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;background:var(--graphite);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(0,0,0,.28)}
.site-header .header-inner{
 display:flex;align-items:center;gap:28px;
 min-height:72px;padding:12px 0;
 transition:min-height .2s ease-out,padding .2s ease-out;
}
.site-header.is-scrolled .header-inner{min-height:58px;padding:6px 0}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
 position:relative;width:38px;height:38px;border-radius:6px;
 background:var(--graphite-2);overflow:hidden;flex:0 0 auto;
 border:1px solid rgba(255,255,255,.14);
}
.brand-mark::before{
 content:"";position:absolute;inset:-6px;
 background:repeating-linear-gradient(45deg,rgba(239,108,26,.95) 0 4px,rgba(239,108,26,0) 4px 11px);
}
.brand-mark::after{
 content:"";position:absolute;right:6px;bottom:6px;width:8px;height:8px;border-radius:50%;
 background:var(--lime);box-shadow:0 0 0 3px rgba(183,240,60,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:19px;font-weight:800;color:#fff}
.brand-sub{font-size:11px;color:var(--on-dark);letter-spacing:.16em;text-transform:uppercase;font-family:var(--mono)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.main-nav a{
 display:inline-block;padding:9px 14px;border-radius:var(--r-btn);
 font-size:15px;font-weight:500;color:var(--on-dark);position:relative;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.main-nav a::after{
 content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
 background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .16s ease-out;
}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:#fff;font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1);background:var(--amber)}
.header-cta{flex:0 0 auto}
.menu-toggle{
 display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-btn);
 align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;transition:transform .16s ease-out,opacity .16s ease-out}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{display:none;background:var(--graphite-2);border-top:1px solid rgba(255,255,255,.08);padding:14px 0 22px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;color:var(--on-dark);font-size:16px;border-bottom:1px dashed rgba(255,255,255,.1);min-height:44px}
.mobile-drawer a:hover{color:var(--lime)}
.mobile-drawer .drawer-steps{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}
.mobile-drawer .drawer-steps a{display:flex;align-items:center;gap:10px;font-size:14px;border-bottom:none;padding:9px 4px}
.drawer-head{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.14em;margin:12px 0 4px}

/* ---------- progress steps ---------- */
.progress-bar{
 background:var(--graphite-2);border-top:1px solid rgba(255,255,255,.06);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.progress-bar .steps-wrap{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.progress-bar .steps-wrap::-webkit-scrollbar{display:none}
.steps{display:flex;align-items:stretch;gap:0;min-width:660px}
.steps li{flex:1 1 0;position:relative}
.steps li a{
 display:flex;align-items:center;gap:10px;padding:14px 8px 13px;
 color:var(--on-dark);font-size:13.5px;border-bottom:3px solid var(--border);
 transition:color .16s ease-out,border-color .16s ease-out;
}
.steps li a .num{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.08em}
.steps li a .dot{
 width:8px;height:8px;background:#D8DEE1;border-radius:2px;flex:0 0 auto;transform:rotate(45deg);
 transition:background-color .16s ease-out;
}
.steps li.is-done a{border-bottom-color:var(--amber)}
.steps li.is-done a .dot{background:var(--amber)}
.steps li.is-done a .num{color:var(--amber)}
.steps li.is-current a{color:#fff;font-weight:700;border-bottom-color:var(--amber)}
.steps li.is-current a .dot{background:var(--lime);box-shadow:0 0 0 4px rgba(183,240,60,.16)}
.steps li.is-current a .num{color:#fff}
.steps li a:hover{color:#fff;border-bottom-color:var(--amber)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
 font-size:15px;font-weight:700;letter-spacing:.01em;
 transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--amber);color:var(--graphite);box-shadow:0 6px 16px rgba(239,108,26,.24)}
.btn-primary:hover{background:var(--amber-dark);color:#fff;transform:translateY(1px);box-shadow:0 3px 10px rgba(239,108,26,.28)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:var(--graphite);border-color:var(--graphite);color:#fff}
.btn-dark-ghost{background:transparent;color:var(--graphite);border:1px solid var(--graphite)}
.btn-dark-ghost:hover{background:var(--graphite);color:#fff}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px}

/* ---------- section base ---------- */
.section{padding:var(--sec-pad) 0}
.section-tight{padding:calc(var(--sec-pad) * .6) 0}
.section-alt{background:#EAEEF0}
.section-dark{background:var(--graphite);color:var(--on-dark)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .kicker{
 display:inline-flex;align-items:center;gap:10px;
 font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;color:var(--amber);margin-bottom:14px;
}
.section-head .kicker::before{
 content:"";width:16px;height:10px;
 background:repeating-linear-gradient(45deg,var(--amber) 0 2px,transparent 2px 5px);
}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.section-dark .section-head p{color:var(--on-dark)}

/* ---------- category header ---------- */
.cat-header{
 position:relative;overflow:hidden;color:#fff;background:var(--graphite);
 background-image:linear-gradient(rgba(23,26,31,.62),rgba(23,26,31,.68)),url('/assets/images/backpic/back-2.jpg');
 background-size:cover;background-position:center;
}
.cat-header::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
 background-size:24px 24px;
}
.cat-header .inner{position:relative;z-index:2;padding:44px 0 46px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark);margin-bottom:18px}
.crumb a{color:var(--on-dark)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:var(--muted);font-family:var(--mono)}
.cat-header h1{color:#fff;max-width:940px;margin-bottom:16px}
.cat-header .lead{max-width:760px;color:#DDE2E5;font-size:16.5px;margin-bottom:20px}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 12px;border-radius:var(--r-tag);font-size:12.5px;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:#EDF0F2;
}
.pill-amber{background:var(--amber-soft);border-color:rgba(239,108,26,.5);color:#FFD9BE}
.pill .mono{color:var(--lime)}

/* ---------- metric strip ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
 background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--amber);
 border-radius:var(--r-card);padding:22px 22px 20px;box-shadow:var(--shadow);
 transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.metric-card .m-num{font-family:var(--mono);font-size:36px;font-weight:700;color:var(--graphite);line-height:1.05;letter-spacing:-.01em}
.metric-card .m-num small{font-size:14px;color:var(--muted);margin-left:6px;font-weight:500}
.metric-card .m-name{font-size:14.5px;font-weight:700;margin:8px 0 4px}
.metric-card .m-desc{font-size:13px;color:var(--muted);margin:0}
.metric-card .bar{height:4px;background:#E4E9EB;border-radius:2px;margin-top:14px;overflow:hidden}
.metric-card .bar i{display:block;height:100%;background:var(--amber)}
.metric-card .bar i.lime{background:var(--lime)}

/* ---------- list layout ---------- */
.list-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.feature-card{
 background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
 overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
 transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.feature-card:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.feature-card .thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#E4E9EB}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.feature-card:hover .thumb img{transform:scale(1.03)}
.feature-card .body{padding:24px 26px 26px}
.feature-card h3{font-size:22px;margin-bottom:10px}
.feature-card h3 a:hover{color:var(--amber)}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0 0 16px}
.mini-list{display:grid;gap:14px}
.mini-card{
 display:grid;grid-template-columns:132px 1fr;gap:16px;
 background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
 padding:14px;box-shadow:var(--shadow);
 transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.mini-card:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
.mini-card .thumb{display:block;aspect-ratio:16/9;overflow:hidden;border-radius:4px;background:#E4E9EB}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.mini-card:hover .thumb img{transform:scale(1.03)}
.mini-card h3{font-size:16px;margin:6px 0 6px;line-height:1.45}
.mini-card h3 a:hover{color:var(--amber)}
.mini-card p{font-size:13.5px;color:var(--muted);margin:0 0 8px}
.date-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.tag{
 display:inline-block;padding:2px 9px;border-radius:var(--r-tag);font-size:12px;
 background:#EEF1F3;color:#556069;line-height:1.7;
}
.tag-amber{background:var(--amber-soft);color:var(--amber-dark)}
.list-foot{margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.more-link{
 display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--amber-dark);
 border-bottom:2px solid rgba(239,108,26,.35);padding-bottom:2px;
}
.more-link:hover{color:var(--amber);border-bottom-color:var(--amber)}
.more-link svg{width:16px;height:16px}

/* ---------- subtopics ---------- */
.subtopic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
details.subtopic{
 background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
 padding:0;box-shadow:var(--shadow);overflow:hidden;
 transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
details.subtopic[open]{border-color:var(--amber);box-shadow:var(--shadow-hover)}
details.subtopic summary{
 cursor:pointer;list-style:none;padding:18px 22px;
 display:flex;align-items:center;gap:12px;font-weight:700;font-size:16px;color:var(--graphite);
}
details.subtopic summary::-webkit-details-marker{display:none}
details.subtopic summary .sq{width:10px;height:10px;background:var(--amber);border-radius:2px;transform:rotate(45deg);flex:0 0 auto}
details.subtopic summary .cnt{margin-left:auto;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
details.subtopic .sub-body{padding:0 22px 20px;border-top:1px dashed var(--border);margin-top:2px;padding-top:16px}
details.subtopic .sub-body li{
 position:relative;padding-left:16px;font-size:14px;color:var(--muted);margin-bottom:10px;
}
details.subtopic .sub-body li::before{
 content:"";position:absolute;left:0;top:11px;width:6px;height:1.5px;background:var(--amber);
}

/* ---------- editor picks ---------- */
.pick-list{display:grid;gap:18px}
.pick{
 display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:center;
 background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--graphite);
 border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow);
 transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.pick:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-left-color:var(--amber)}
.pick .thumb{display:block;aspect-ratio:16/9;overflow:hidden;border-radius:4px;background:#E4E9EB}
.pick .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.pick:hover .thumb img{transform:scale(1.03)}
.pick h3{font-size:19px;margin:8px 0 8px}
.pick h3 a:hover{color:var(--amber)}
.pick p{font-size:14px;color:var(--muted);margin:0}

/* ---------- steps strip ---------- */
.strip-steps{display:grid;gap:14px;max-width:880px}
.strip{
 position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
 padding:16px 20px 16px 24px;box-shadow:var(--shadow);
}
.strip::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--amber);border-radius:3px 0 0 3px}
.strip .row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.strip .num{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--amber-dark);flex:0 0 auto}
.strip h3{font-size:17px;margin:0}
.strip p{font-size:14px;color:var(--muted);margin:8px 0 0}
.strip .cost{
 margin-left:auto;font-family:var(--mono);font-size:12.5px;color:var(--graphite);
 background:#EEF1F3;border-radius:var(--r-tag);padding:3px 10px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px}
.accordion{border:none;background:transparent}
.accordion .accordion-item{
 background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
 margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;
}
.accordion .accordion-item.is-active{border-color:var(--amber)}
.accordion .accordion-title{
 border:none;background:transparent;padding:18px 22px;font-size:16.5px;font-weight:700;color:var(--graphite);
 display:flex;align-items:center;gap:12px;line-height:1.5;
}
.accordion .accordion-title:hover{background:var(--amber-tint);color:var(--amber-dark)}
.accordion .accordion-title::before{
 content:"";width:9px;height:9px;background:var(--amber);border-radius:2px;transform:rotate(45deg);flex:0 0 auto;
}
.accordion .accordion-title::after{color:var(--amber);font-size:16px}
.accordion .accordion-content{
 border:none;padding:0 22px 20px;color:var(--muted);font-size:14.5px;
}
.accordion .accordion-content p{margin:0}

/* ---------- channel entries ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.entry{
 display:block;background:transparent;border:1px solid var(--border);border-radius:var(--r-card);
 padding:20px 22px;transition:border-color .16s ease-out,background-color .16s ease-out,transform .16s ease-out;
}
.entry:hover{border-color:var(--amber);background:var(--panel);transform:translateY(-2px)}
.entry .e-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.entry .e-idx{font-family:var(--mono);font-size:12.5px;color:var(--amber-dark)}
.entry h3{font-size:16.5px;margin:0 0 8px}
.entry p{font-size:13.5px;color:var(--muted);margin:0}
.entry .e-go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--amber-dark)}
.entry:hover .e-go{color:var(--amber)}

/* ---------- subscribe ---------- */
.subscribe{
 background:var(--graphite);color:#fff;border-radius:var(--r-card);
 padding:40px 44px;position:relative;overflow:hidden;
}
.subscribe::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:repeating-linear-gradient(45deg,rgba(239,108,26,.10) 0 2px,transparent 2px 12px);
}
.subscribe .sub-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.subscribe h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.subscribe p{color:var(--on-dark);font-size:14.5px;margin:0}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input[type="text"],.sub-form input[type="email"]{
 flex:1 1 220px;min-height:46px;padding:10px 14px;border-radius:var(--r-btn);
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.24);color:#fff;
}
.sub-form input::placeholder{color:rgba(201,208,211,.7)}
.sub-form input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 2px var(--lime)}
.form-note{font-size:12.5px;color:var(--on-dark);margin-top:12px;display:block}
.form-note[hidden]{display:none}
.ok-note{color:var(--lime)}

/* ---------- footer ---------- */
.site-footer{background:var(--graphite);color:var(--on-dark);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:#AEB7BB;margin:0;max-width:380px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--on-dark);border-bottom:1px solid transparent}
.footer-col ul li a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;margin-bottom:12px;color:#AEB7BB}
.fc-label{color:var(--amber);flex:0 0 44px;font-family:var(--mono);font-size:12.5px}
.footer-bottom{
 margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13px;color:#8E979B;
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
 :root{--sec-pad:64px}
 .site-header .header-inner{gap:16px}
 .main-nav{display:none}
 .menu-toggle{display:flex;margin-left:auto}
 .header-cta{display:none}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .list-grid{grid-template-columns:1fr}
 .subtopic-grid{grid-template-columns:repeat(2,1fr)}
 .entry-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .subscribe .sub-inner{grid-template-columns:1fr}
 .pick{grid-template-columns:220px 1fr}
}
@media (max-width:767px){
 :root{--sec-pad:48px}
 .container{padding:0 18px}
 .cat-header .inner{padding:34px 0 36px}
 .metric-grid{grid-template-columns:1fr}
 .subtopic-grid{grid-template-columns:1fr}
 .entry-grid{grid-template-columns:1fr}
 .pick{grid-template-columns:1fr;gap:14px}
 .mini-card{grid-template-columns:112px 1fr;gap:12px}
 .subscribe{padding:28px 22px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{font-size:12.5px}
 .strip .cost{margin-left:0}
}
@media (max-width:519px){
 body{font-size:15px}
 .mini-card{grid-template-columns:1fr}
 .mini-card .thumb{aspect-ratio:16/9}
 .list-foot{flex-direction:column;align-items:flex-start}
}