/* roulang page: index */
:root{
  --bg:#080a0f;
  --bg-soft:#0b0e15;
  --panel:#11151e;
  --panel-2:#161b26;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef1f7;
  --muted:#98a1b3;
  --muted-2:#6f7889;
  --accent:#2dd4bf;
  --accent-2:#f0b350;
  --accent-soft:rgba(45,212,191,.12);
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 24px 60px -34px rgba(0,0,0,.95);
  --shadow-hover:0 34px 70px -30px rgba(0,0,0,1);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.32;letter-spacing:-.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(45,212,191,.28)}
.wrap{width:min(100% - 40px,var(--container));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,10,15,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft);flex:none}
.site-nav{display:flex;align-items:center;gap:36px}
.site-nav a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;letter-spacing:.3px}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.site-nav a:hover{color:var(--text)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--text);font-weight:600}
.site-nav a.is-active::after{transform:scaleX(1)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:12px;background:transparent;cursor:pointer;color:var(--text);transition:.25s}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#04211d}
.btn-primary:hover{background:#22c9b5;color:#04211d;transform:translateY(-2px);box-shadow:0 16px 34px -16px rgba(45,212,191,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}

/* ---------- hero ---------- */
.hero{position:relative;padding:76px 0 66px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-190px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.16),transparent 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-220px;left:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,179,80,.10),transparent 70%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:start}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.26em;color:var(--accent);margin-bottom:20px}
.kicker::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.7}
.hero h1{font-size:clamp(30px,4.1vw,50px);font-weight:800;line-height:1.24;letter-spacing:-.8px;margin-bottom:18px}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:var(--accent-2);font-weight:600;margin-bottom:20px;letter-spacing:.2px}
.hero-intro{color:var(--muted);font-size:15.8px;line-height:1.9;max-width:52ch;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats dt{font-size:12.5px;color:var(--muted-2);letter-spacing:.14em;margin-bottom:6px}
.hero-stats dd{margin:0;font-size:22px;font-weight:750;color:var(--text)}
.hero-stats dd small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px}

.hero-feature{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--panel);box-shadow:var(--shadow);transition:.35s ease;
}
.hero-feature:hover{border-color:rgba(45,212,191,.35);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-cover{
  position:relative;aspect-ratio:16/10;
  background:
    linear-gradient(140deg,rgba(45,212,191,.22),rgba(10,14,22,.35) 62%),
    linear-gradient(180deg,#141a26,#0d121b);
}
.feature-cover::after{
  content:"";position:absolute;inset:0;
  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:44px 44px;opacity:.5;
}
.feature-cover .cover-chip{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;
  background:rgba(8,10,15,.72);border:1px solid var(--line-strong);
  font-size:13px;color:var(--accent);letter-spacing:.06em;
}
.feature-body{padding:26px 26px 28px}
.feature-body h3{font-size:20px;margin:14px 0 12px}
.feature-body p{color:var(--muted);font-size:15px;line-height:1.85}
.feature-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:var(--accent-soft);color:var(--accent);border:1px solid rgba(45,212,191,.28);
}
.badge-warm{background:rgba(240,179,80,.12);color:var(--accent-2);border-color:rgba(240,179,80,.3)}

/* ---------- sections ---------- */
.section{padding:66px 0;border-top:1px solid var(--line)}
.section-head{margin-bottom:38px;max-width:780px}
.section-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;max-width:none}
.section-head.split>div{max-width:720px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.24em;color:var(--accent);margin-bottom:14px;text-transform:uppercase}
.section-head h2{font-size:clamp(22px,2.5vw,31px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.9}
.stamp{font-size:13px;color:var(--muted-2);border:1px dashed var(--line-strong);border-radius:999px;padding:8px 18px;white-space:nowrap}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric-card{
  padding:26px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  transition:.3s ease;position:relative;overflow:hidden;
}
.metric-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),transparent);opacity:.55}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.32);box-shadow:var(--shadow)}
.metric-label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:14px}
.metric-card strong{display:block;font-size:34px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:10px}
.metric-card strong span{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px}
.metric-foot{font-size:13px;color:var(--muted-2)}

/* ---------- calendar ---------- */
.cal-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);overflow:hidden}
.cal-row{
  display:grid;grid-template-columns:88px 132px 1fr 92px;gap:22px;align-items:center;
  padding:19px 26px;border-bottom:1px solid var(--line);transition:background .25s ease;
}
.cal-row:last-child{border-bottom:none}
.cal-row:hover{background:var(--panel-2)}
.cal-day{font-weight:700;font-size:15px}
.cal-tag{font-size:13.5px;color:var(--accent)}
.cal-title{font-size:15.2px;color:var(--text)}
.cal-state{font-size:12.5px;text-align:right;color:var(--muted-2)}
.cal-state.live{color:var(--accent)}
.cal-state.pending{color:var(--accent-2)}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.topic-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);
  overflow:hidden;transition:.32s ease;display:flex;flex-direction:column;height:100%;
}
.topic-card:hover{transform:translateY(-5px);border-color:rgba(45,212,191,.34);box-shadow:var(--shadow-hover)}
.topic-cover{position:relative;aspect-ratio:16/9;background:linear-gradient(150deg,rgba(45,212,191,.20),rgba(12,16,24,.6) 65%),#131a26}
.topic-cover span{position:absolute;left:18px;bottom:14px;font-size:34px;font-weight:800;color:rgba(255,255,255,.16);letter-spacing:-2px}
.topic-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.topic-body h3{font-size:17.5px}
.topic-body p{color:var(--muted);font-size:14.6px;line-height:1.8;flex:1}
.topic-meta{font-size:12.8px;color:var(--muted-2);padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}

/* ---------- opinion ---------- */
.opinion-list{border-top:1px solid var(--line)}
.opinion{display:grid;grid-template-columns:76px 1fr;gap:26px;padding:30px 0;border-bottom:1px solid var(--line);transition:.3s ease}
.opinion:hover{padding-left:10px}
.opinion-index{font-size:28px;font-weight:800;color:rgba(45,212,191,.5);letter-spacing:-1px;line-height:1.1}
.opinion h3{font-size:19px;margin-bottom:11px}
.opinion p{color:var(--muted);font-size:15px;line-height:1.85;max-width:74ch}
.opinion-meta{margin-top:14px;font-size:13px;color:var(--muted-2);display:flex;flex-wrap:wrap;gap:18px}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
  display:block;padding:30px 28px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--panel);transition:.32s ease;height:100%;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(45,212,191,.4);background:var(--panel-2);color:var(--text);box-shadow:var(--shadow-hover)}
.channel-tag{display:inline-block;font-size:12.5px;letter-spacing:.18em;color:var(--accent);margin-bottom:16px}
.channel-card h3{font-size:19px;margin-bottom:12px}
.channel-card p{color:var(--muted);font-size:14.8px;line-height:1.82;margin-bottom:20px}
.channel-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--accent);font-weight:600}
.channel-more i{transition:transform .25s ease}
.channel-card:hover .channel-more i{transform:translateX(4px)}

/* ---------- news ---------- */
.news-list{border-top:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:62px 108px 1fr;gap:22px;align-items:baseline;padding:19px 0;border-bottom:1px solid var(--line);transition:.25s ease}
.news-row:hover{padding-left:8px}
.news-time{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.news-tag{font-size:13px;color:var(--accent)}
.news-title{font-size:15.6px;color:var(--text)}

/* ---------- media ---------- */
.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.media-card{
  padding:26px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);
  transition:.3s ease;
}
.media-card:hover{transform:translateY(-4px);border-color:rgba(240,179,80,.35);box-shadow:var(--shadow)}
.media-card h3{font-size:17.5px;margin:16px 0 11px}
.media-card p{color:var(--muted);font-size:14.8px;line-height:1.82}
.media-source{font-size:13px;color:var(--muted-2);margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}

/* ---------- data ---------- */
.data-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px;align-items:center;padding:38px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel)}
.data-copy h3{font-size:21px;margin-bottom:14px}
.data-copy p{color:var(--muted);font-size:15px;line-height:1.88;margin-bottom:20px}
.data-points li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:14.6px;color:var(--muted)}
.data-points i{color:var(--accent);margin-top:6px;font-size:11px}
.chart{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px;align-items:end;height:250px}
.chart-col{display:flex;flex-direction:column;gap:10px;height:100%}
.chart-track{flex:1;display:flex;align-items:flex-end}
.chart-bar{width:100%;border-radius:10px 10px 4px 4px;background:linear-gradient(180deg,rgba(45,212,191,.95),rgba(45,212,191,.16));transition:.3s ease;min-height:8px}
.chart-col:hover .chart-bar{background:linear-gradient(180deg,rgba(240,179,80,.95),rgba(240,179,80,.2))}
.chart-x{font-size:12.5px;color:var(--muted-2);text-align:center}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-panel{padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel)}
.compare-panel.is-best{border-color:rgba(45,212,191,.4);background:linear-gradient(180deg,rgba(45,212,191,.09),rgba(45,212,191,0)),var(--panel);box-shadow:var(--shadow)}
.compare-panel h3{font-size:18px;margin-bottom:6px}
.compare-panel .compare-note{font-size:13.5px;color:var(--muted-2);margin-bottom:20px}
.compare-list li{display:flex;gap:13px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--muted)}
.compare-list li:last-child{border-bottom:none}
.compare-list i{margin-top:6px;font-size:11px}
.compare-panel.is-best .compare-list i{color:var(--accent)}
.compare-panel:not(.is-best) .compare-list i{color:var(--muted-2)}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;position:relative;padding-top:8px}
.timeline::before{content:"";position:absolute;top:15px;left:8px;right:8px;height:1px;background:var(--line-strong)}
.tl-node{position:relative;padding-top:42px}
.tl-node::before{content:"";position:absolute;top:8px;left:0;width:15px;height:15px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.tl-node h4{font-size:16.5px;margin-bottom:10px}
.tl-node p{color:var(--muted);font-size:14.5px;line-height:1.8}

/* ---------- guarantee ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.guard-card{padding:28px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);transition:.3s ease}
.guard-card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.3)}
.guard-card i{font-size:19px;color:var(--accent);margin-bottom:16px;display:block}
.guard-card h4{font-size:16.5px;margin-bottom:10px}
.guard-card p{color:var(--muted);font-size:14.4px;line-height:1.8}

/* ---------- faq ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-bottom:14px;overflow:hidden;transition:.28s ease}
.faq-item:hover{border-color:rgba(45,212,191,.3)}
.faq-item summary{cursor:pointer;list-style:none;padding:21px 26px;font-size:16.5px;font-weight:650;display:flex;justify-content:space-between;align-items:center;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400;line-height:1;transition:transform .28s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.88}

/* ---------- subscribe ---------- */
.subscribe-inner{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  padding:46px;border:1px solid var(--line);border-radius:26px;
  background:radial-gradient(130% 150% at 0% 0%,rgba(45,212,191,.13),transparent 62%),var(--panel);
}
.subscribe-inner h2{font-size:clamp(21px,2.3vw,28px);margin-bottom:14px}
.subscribe-inner p{color:var(--muted);font-size:15.2px;line-height:1.88}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{
  flex:1;min-width:200px;padding:14px 20px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text);
  transition:.25s ease;font-size:15px;
}
.subscribe-form input::placeholder{color:var(--muted-2)}
.subscribe-form input:focus{outline:none;border-color:var(--accent);background:rgba(45,212,191,.07);box-shadow:0 0 0 4px rgba(45,212,191,.10)}
.form-hint{width:100%;font-size:12.8px;color:var(--muted-2);margin-top:4px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:66px 0 28px;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:42px}
.footer-brand .brand{margin-bottom:18px;font-size:19px}
.footer-brand p{color:var(--muted);font-size:14.6px;line-height:1.85;max-width:38ch}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--muted);font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-note{color:var(--muted);font-size:14.5px;line-height:1.85}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13.4px;color:var(--muted-2);
}
.footer-bottom .dot{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .timeline::before{display:none}
  .data-panel{grid-template-columns:1fr;gap:36px;padding:32px}
  .subscribe-inner{grid-template-columns:1fr;gap:28px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;left:0;right:0;top:78px;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-soft);border-bottom:1px solid var(--line);
    padding:10px 20px 24px;transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .site-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .site-nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:16px}
  .site-nav a::after{display:none}
  .site-nav a.is-active{color:var(--accent)}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero{padding:52px 0 48px}
  .section-head.split{flex-direction:column;align-items:flex-start;gap:18px}
  .metric-grid{grid-template-columns:1fr;gap:16px}
  .cal-row{grid-template-columns:80px 1fr;gap:10px 16px;padding:18px 20px}
  .cal-title{grid-column:1 / -1}
  .cal-state{grid-column:1 / -1;text-align:left}
  .topic-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .opinion{grid-template-columns:1fr;gap:12px}
  .news-row{grid-template-columns:56px 1fr;gap:8px 16px}
  .news-title{grid-column:1 / -1}
  .chart{height:200px;gap:9px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .subscribe-inner{padding:28px}
}
@media (max-width:520px){
  .wrap{width:min(100% - 32px,var(--container))}
  .hero h1{font-size:27px;letter-spacing:-.4px}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .hero-actions .btn{width:100%}
  .metric-card strong{font-size:29px}
  .guard-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .chart{gap:7px;height:180px}
  .chart-x{font-size:11px}
  .faq-item summary{padding:18px 20px;font-size:15.5px}
  .faq-body{padding:0 20px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
 --bg:#080a0f;
 --bg-soft:#0b0e15;
 --panel:#11151e;
 --panel-2:#161b26;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.16);
 --text:#eef1f7;
 --muted:#98a1b3;
 --muted-2:#6f7889;
 --accent:#2dd4bf;
 --accent-2:#f0b350;
 --accent-soft:rgba(45,212,191,.12);
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 24px 60px -34px rgba(0,0,0,.95);
 --shadow-hover:0 34px 70px -30px rgba(0,0,0,1);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(8,10,15,.86);
 -webkit-backdrop-filter:blur(16px);
 backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft);flex:none}
.site-nav{display:flex;align-items:center;gap:36px}
.site-nav a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;letter-spacing:.3px}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.site-nav a:hover{color:var(--text)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--text);font-weight:600}
.site-nav a.is-active::after{transform:scaleX(1)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:12px;background:transparent;cursor:pointer;color:var(--text);transition:.25s}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#04211d}
.btn-primary:hover{background:#22c9b5;color:#04211d;transform:translateY(-2px);box-shadow:0 16px 34px -16px rgba(45,212,191,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn-warm{background:var(--accent-2);color:#2a1c04}
.btn-warm:hover{background:#f7c161;color:#2a1c04;transform:translateY(-2px)}
.btn:focus-visible,.nav-toggle:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
/* ---------- badges ---------- */
.badge{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.06em;
 background:var(--accent-soft);color:var(--accent);border:1px solid rgba(45,212,191,.28);
}
.badge-warm{background:rgba(240,179,80,.12);color:var(--accent-2);border-color:rgba(240,179,80,.3)}
.badge-mute{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line)}
/* ---------- sections ---------- */
.section{padding:66px 0;border-top:1px solid var(--line)}
.section-head{margin-bottom:38px;max-width:820px}
.section-head h2{font-size:clamp(23px,2.6vw,32px);font-weight:750;letter-spacing:-.4px;line-height:1.35;margin-top:12px}
.section-head p{color:var(--muted);font-size:15.5px;margin-top:12px;line-height:1.9}
.section-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;max-width:none}
.section-head.split>div{max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.22em;color:var(--muted-2);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}
/* ---------- hero ---------- */
.hero{position:relative;padding:74px 0 62px;overflow:hidden}
.hero::before{
 content:"";position:absolute;top:-190px;right:-140px;width:560px;height:560px;border-radius:50%;
 background:radial-gradient(circle,rgba(45,212,191,.16),transparent 68%);pointer-events:none;
}
.hero::after{
 content:"";position:absolute;bottom:-220px;left:-160px;width:480px;height:480px;border-radius:50%;
 background:radial-gradient(circle,rgba(240,179,80,.10),transparent 70%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:start}
.hero h1{font-size:clamp(29px,3.9vw,46px);font-weight:800;line-height:1.26;letter-spacing:-.8px;margin:18px 0 16px}
.hero-sub{font-size:clamp(16px,1.5vw,18px);color:var(--accent-2);font-weight:600;margin-bottom:18px}
.hero-intro{color:var(--muted);font-size:15.8px;line-height:1.92;max-width:56ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats dt{font-size:12.5px;color:var(--muted-2);letter-spacing:.14em;margin-bottom:6px}
.hero-stats dd{margin:0;font-size:21px;font-weight:750;color:var(--text)}
.hero-stats dd small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px}
.portal{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.portal-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.portal-head h2{font-size:17px;font-weight:700}
.portal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.portal-card{
 display:block;padding:18px 18px 16px;border-radius:var(--radius);
 background:var(--panel-2);border:1px solid var(--line);transition:.28s ease;
}
.portal-card:hover{transform:translateY(-3px);border-color:rgba(45,212,191,.4);background:#1a2030;color:var(--text)}
.portal-card i{font-size:17px;color:var(--accent);margin-bottom:10px;display:block}
.portal-card h3{font-size:15px;font-weight:650;margin-bottom:6px}
.portal-card p{font-size:13px;color:var(--muted-2);line-height:1.7}
/* ---------- 指标看板 ---------- */
.board-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;transition:.28s ease;
}
.metric:hover{border-color:rgba(45,212,191,.36);transform:translateY(-3px);box-shadow:var(--shadow)}
.metric strong{display:block;font-size:34px;font-weight:800;letter-spacing:-1px;color:var(--text)}
.metric strong em{font-style:normal;font-size:15px;font-weight:600;color:var(--accent);margin-left:4px}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:8px}
.metric-bar{height:5px;border-radius:999px;background:rgba(255,255,255,.07);margin-top:16px;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#39e0c9)}
.metric-bar.warm i{background:linear-gradient(90deg,var(--accent-2),#f7c161)}
.board-note{
 margin-top:24px;padding:20px 24px;border-radius:var(--radius);
 border:1px dashed var(--line-strong);background:var(--bg-soft);
 display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.board-note p{color:var(--muted);font-size:14.5px;max-width:70ch}
/* ---------- 频道矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;transition:.3s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.4);box-shadow:var(--shadow-hover)}
.channel-card .tone{
 width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
 background:var(--accent-soft);color:var(--accent);font-size:17px;margin-bottom:18px;
}
.channel-card.warm .tone{background:rgba(240,179,80,.13);color:var(--accent-2)}
.channel-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.channel-card p{color:var(--muted);font-size:14.6px;line-height:1.85;margin-bottom:18px}
.channel-meta{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px}
/* ---------- 对比 ---------- */
.compare{
 display:grid;grid-template-columns:1fr 1fr;
 border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--panel);
}
.compare-col{padding:34px 32px}
.compare-col.plus{background:rgba(45,212,191,.05);border-left:1px solid var(--line)}
.compare-col h3{font-size:18px;font-weight:700;margin-bottom:8px}
.compare-col>p{font-size:14px;color:var(--muted-2);margin-bottom:22px}
.compare-list li{
 display:flex;gap:12px;align-items:flex-start;
 padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted);
}
.compare-list li:last-child{border-bottom:0}
.compare-list li i{font-size:13px;margin-top:6px;flex:none;color:var(--muted-2)}
.compare-col.plus .compare-list li{color:var(--text)}
.compare-col.plus .compare-list li i{color:var(--accent)}
/* ---------- 里程碑 ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.tl-item{position:relative;padding-top:26px}
.tl-item::before{content:"";position:absolute;top:7px;left:0;right:14px;height:1px;background:var(--line-strong)}
.tl-item::after{content:"";position:absolute;top:2px;left:0;width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft)}
.tl-item .stage{font-size:12.5px;letter-spacing:.12em;color:var(--muted-2);margin-bottom:8px}
.tl-item h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.tl-item p{font-size:13.8px;color:var(--muted);line-height:1.8}
/* ---------- 简报列表 ---------- */
.brief-list{border-top:1px solid var(--line)}
.brief{
 display:grid;grid-template-columns:104px 1fr auto;gap:24px;align-items:start;
 padding:24px 0;border-bottom:1px solid var(--line);transition:.25s ease;
}
.brief:hover{background:rgba(255,255,255,.02)}
.brief .stamp{font-size:13px;color:var(--muted-2);letter-spacing:.06em;padding-top:4px}
.brief h3{font-size:17px;font-weight:650;margin-bottom:8px;transition:color .25s ease}
.brief:hover h3{color:var(--accent)}
.brief p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:78ch}
.brief .tags{display:flex;gap:8px;flex-wrap:wrap;padding-top:4px}
/* ---------- 保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.guard{
 display:flex;gap:18px;padding:26px 24px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);transition:.28s ease;
}
.guard:hover{border-color:rgba(240,179,80,.35);transform:translateY(-3px)}
.guard i{font-size:20px;color:var(--accent-2);flex:none;margin-top:4px}
.guard h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.guard p{font-size:14.4px;color:var(--muted);line-height:1.85}
/* ---------- 快速解答 ---------- */
.qa-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:start}
.qa-list{display:grid;gap:18px}
.qa-item{
 padding:22px 24px;border-radius:var(--radius);background:var(--bg-soft);
 border:1px solid var(--line);border-left:3px solid var(--accent);
}
.qa-item h3{font-size:16px;font-weight:700;margin-bottom:8px}
.qa-item p{font-size:14.5px;color:var(--muted);line-height:1.85}
/* ---------- FAQ ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{
 width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
 padding:22px 2px;background:transparent;border:0;cursor:pointer;text-align:left;
 font-size:16.5px;font-weight:650;color:var(--text);transition:color .25s ease;
}
.acc-head:hover{color:var(--accent)}
.acc-head i{font-size:14px;color:var(--accent);transition:transform .3s ease;flex:none}
.acc-item.is-open .acc-head i{transform:rotate(45deg)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .35s ease}
.acc-item.is-open .acc-body{max-height:340px}
.acc-body p{padding:0 2px 24px;color:var(--muted);font-size:14.8px;line-height:1.9;max-width:88ch}
/* ---------- 转化 ---------- */
.cta-panel{
 display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;
 padding:44px;border-radius:var(--radius-lg);border:1px solid var(--line);
 background:linear-gradient(150deg,rgba(45,212,191,.10),rgba(17,21,30,.9) 58%);
 box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);font-weight:750;line-height:1.35;margin:14px 0 14px}
.cta-panel p{color:var(--muted);font-size:15.2px;line-height:1.9;max-width:60ch}
.signup-form{display:flex;gap:12px;flex-wrap:wrap}
.signup-form input[type="email"]{
 flex:1 1 220px;min-width:0;padding:13px 20px;border-radius:999px;
 border:1px solid var(--line-strong);background:rgba(8,10,15,.7);color:var(--text);
 transition:.25s ease;
}
.signup-form input[type="email"]::placeholder{color:var(--muted-2)}
.signup-form input[type="email"]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.form-hint{margin-top:14px;font-size:13px;color:var(--muted-2)}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:58px 0 26px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:14.2px;line-height:1.9;max-width:40ch}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14.2px;color:var(--muted)}
.footer-col ul a:hover{color:var(--accent)}
.footer-note{font-size:14px;color:var(--muted);line-height:1.9}
.footer-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
 font-size:13.2px;color:var(--muted-2);
}
.footer-bottom .dot{opacity:.6;margin:0 4px}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:40px}
 .board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .timeline{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
 .tl-item:nth-child(n+4)::before{display:none}
 .qa-layout{grid-template-columns:1fr;gap:28px}
 .cta-panel{grid-template-columns:1fr;padding:36px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:820px){
 .nav-toggle{display:inline-flex}
 .site-nav{
  position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:flex-start;
  gap:4px;padding:16px 24px 22px;background:rgba(11,14,21,.98);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);
 }
 .site-nav.is-open{display:flex}
 .site-nav a{width:100%;padding:11px 0;font-size:15.5px}
 .site-nav a::after{display:none}
 .section{padding:52px 0}
 .section-head.split{flex-direction:column;align-items:flex-start;gap:18px}
 .compare{grid-template-columns:1fr}
 .compare-col.plus{border-left:0;border-top:1px solid var(--line)}
 .brief{grid-template-columns:1fr;gap:12px}
 .brief .stamp{padding-top:0}
 .guard-grid{grid-template-columns:1fr}
 .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){
 .wrap{padding:0 18px}
 .hero{padding:52px 0 46px}
 .hero-stats{grid-template-columns:1fr;gap:14px}
 .board-grid{grid-template-columns:1fr}
 .matrix-grid{grid-template-columns:1fr}
 .portal-grid{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr;gap:22px}
 .tl-item{padding-top:22px}
 .tl-item::before{right:0}
 .tl-item::after{top:-2px}
 .cta-panel{padding:26px 22px}
 .signup-form input[type="email"]{flex:1 1 100%}
 .signup-form .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .metric strong{font-size:29px}
 .portal{padding:20px}
}

/* roulang page: category1 */
:root{
  --bg:#080a0f;
  --bg-soft:#0b0e15;
  --panel:#11151e;
  --panel-2:#161b26;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef1f7;
  --muted:#98a1b3;
  --muted-2:#6f7889;
  --accent:#2dd4bf;
  --accent-2:#f0b350;
  --accent-soft:rgba(45,212,191,.12);
  --danger:#e5674f;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 24px 60px -34px rgba(0,0,0,.95);
  --shadow-hover:0 34px 70px -30px rgba(0,0,0,1);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.35;font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,10,15,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft);flex:none}
.site-nav{display:flex;align-items:center;gap:36px}
.site-nav a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;letter-spacing:.3px}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.site-nav a:hover{color:var(--text)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--text);font-weight:600}
.site-nav a.is-active::after{transform:scaleX(1)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:12px;background:transparent;cursor:pointer;color:var(--text);transition:.25s}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#04211d}
.btn-primary:hover{background:#22c9b5;color:#04211d;transform:translateY(-2px);box-shadow:0 16px 34px -16px rgba(45,212,191,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn-sm{padding:10px 20px;font-size:14px}
/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:var(--accent-soft);color:var(--accent);border:1px solid rgba(45,212,191,.28);
}
.badge-warm{background:rgba(240,179,80,.12);color:var(--accent-2);border-color:rgba(240,179,80,.3)}
.badge-plain{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line-strong)}
/* ---------- section ---------- */
.section{padding:66px 0;border-top:1px solid var(--line)}
.section-head{margin-bottom:38px;max-width:800px}
.section-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;max-width:none;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,31px);letter-spacing:-.4px;margin:14px 0 12px}
.section-head p{color:var(--muted);font-size:15.2px;line-height:1.9;margin:0}
.eyebrow{font-size:12.6px;letter-spacing:.2em;color:var(--accent-2);text-transform:uppercase}
/* ---------- page hero ---------- */
.page-hero{position:relative;padding:62px 0 58px;overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-200px;right:-170px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(45,212,191,.15),transparent 68%);pointer-events:none}
.page-hero::after{content:"";position:absolute;bottom:-250px;left:-190px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(240,179,80,.10),transparent 70%);pointer-events:none}
.page-hero-grid{position:relative;display:grid;grid-template-columns:1.14fr .86fr;gap:52px;align-items:start}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted-2);letter-spacing:.04em;margin-bottom:18px}
.crumb a{color:var(--muted-2)}
.crumb a:hover{color:var(--accent)}
.crumb i{font-size:9px;opacity:.7}
.page-hero h1{font-size:clamp(27px,3.7vw,45px);line-height:1.28;letter-spacing:-.7px;font-weight:800;margin:16px 0 16px}
.lede{color:var(--muted);font-size:15.8px;line-height:1.92;max-width:58ch}
.checklist{
  list-style:none;margin:26px 0 28px;padding:22px 24px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(17,21,30,.92),rgba(11,14,21,.78));
  display:grid;gap:12px;
}
.checklist li{display:flex;gap:11px;align-items:flex-start;font-size:14.6px;color:var(--muted);line-height:1.7}
.checklist li i{color:var(--accent);font-size:12.5px;margin-top:7px;flex:none}
.checklist li strong{color:var(--text);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ---------- watch panel ---------- */
.watch-panel{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow);overflow:hidden;transition:.35s ease}
.watch-panel:hover{border-color:rgba(45,212,191,.32);box-shadow:var(--shadow-hover)}
.watch-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 24px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.watch-head h2{font-size:15.6px;margin:0;font-weight:700;letter-spacing:.02em}
.watch-head span{font-size:12.4px;color:var(--muted-2)}
.watch-list{margin:0;padding:6px 24px 18px;list-style:none}
.watch-item{padding:16px 0;border-bottom:1px dashed var(--line)}
.watch-item:last-child{border-bottom:0}
.watch-item h3{font-size:15.2px;margin:0;font-weight:600;line-height:1.6}
.bar{height:5px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;margin:11px 0 8px}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#63e8d8)}
.bar.is-warm i{background:linear-gradient(90deg,var(--accent-2),#ffd699)}
.watch-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--muted-2)}
/* ---------- kpi ---------- */
.kpi-card{
  height:100%;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);padding:22px 22px 20px;transition:all .3s ease;
}
.kpi-card:hover{border-color:rgba(45,212,191,.34);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.kpi-num{font-size:30px;font-weight:800;letter-spacing:-.6px;line-height:1.2}
.kpi-num small{font-size:13px;color:var(--muted);font-weight:500;margin-left:5px;letter-spacing:0}
.kpi-label{font-size:13.6px;color:var(--muted);margin-top:7px}
.kpi-trend{display:inline-flex;align-items:center;gap:6px;font-size:12.4px;color:var(--accent);margin-top:13px}
.kpi-trend.is-warm{color:var(--accent-2)}
/* ---------- matrix ---------- */
.matrix-card{
  height:100%;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(22,27,38,.95),rgba(17,21,30,.9));
  padding:26px 24px;transition:all .3s ease;
}
.matrix-card:hover{border-color:rgba(45,212,191,.34);transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.matrix-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.matrix-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-size:16px}
.matrix-card h3{font-size:17px;margin:0 0 10px}
.matrix-card p{margin:0 0 16px;color:var(--muted);font-size:14.4px;line-height:1.85}
.matrix-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:15px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2)}
/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);padding:30px 28px}
.compare-col.is-good{border-color:rgba(45,212,191,.3);background:linear-gradient(180deg,rgba(45,212,191,.07),rgba(17,21,30,.92))}
.compare-col h3{font-size:18px;margin:0}
.compare-col .sub{display:block;font-size:13px;color:var(--muted-2);margin-top:8px;letter-spacing:.04em}
.compare-col ul{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px}
.compare-col li{display:flex;gap:11px;align-items:flex-start;font-size:14.6px;color:var(--muted);line-height:1.8}
.compare-col li i{margin-top:6px;flex:none;font-size:12.5px}
.compare-col.is-bad li i{color:var(--danger)}
.compare-col.is-good li i{color:var(--accent)}
/* ---------- timeline ---------- */
.timeline{list-style:none;margin:0;padding:6px 0 0;display:grid;gap:28px;position:relative}
.timeline::before{content:"";position:absolute;left:9px;top:16px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(45,212,191,.5),rgba(255,255,255,.06))}
.tl-item{position:relative;padding-left:40px}
.tl-item::before{content:"";position:absolute;left:3px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.tl-date{font-size:12.6px;letter-spacing:.16em;color:var(--accent-2);margin-bottom:7px}
.tl-item h3{font-size:16.8px;margin:0 0 9px}
.tl-item p{margin:0;color:var(--muted);font-size:14.6px;line-height:1.88}
/* ---------- news list ---------- */
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:160px 1fr;gap:28px;
  padding:24px 26px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);transition:all .3s ease;
}
.news-item:hover{border-color:rgba(45,212,191,.32);transform:translateX(5px);box-shadow:var(--shadow)}
.news-time{font-size:13px;color:var(--muted-2)}
.news-time strong{display:block;color:var(--accent-2);font-size:14.6px;font-weight:700;letter-spacing:.06em;margin-bottom:8px}
.news-item h3{font-size:17.4px;margin:12px 0 10px;line-height:1.55}
.news-item p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.86}
.news-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.list-more{margin-top:26px}
/* ---------- guard ---------- */
.guard-card{height:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:26px 24px;transition:all .3s ease}
.guard-card:hover{border-color:rgba(240,179,80,.3);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.guard-ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(240,179,80,.12);color:var(--accent-2);font-size:17px;margin-bottom:17px}
.guard-card h3{font-size:16.2px;margin:0 0 11px}
.guard-card p{margin:0;color:var(--muted);font-size:14.4px;line-height:1.88}
/* ---------- qa ---------- */
.qa-card{height:100%;border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:var(--radius);background:var(--panel);padding:22px 24px;transition:all .3s ease}
.qa-card:hover{background:var(--panel-2);border-left-color:var(--accent-2)}
.qa-card h3{font-size:15.6px;margin:0 0 10px}
.qa-card p{margin:0;color:var(--muted);font-size:14.4px;line-height:1.86}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden;transition:all .3s ease}
.faq-item[open]{border-color:rgba(45,212,191,.32);background:var(--panel-2)}
.faq-item summary{cursor:pointer;list-style:none;padding:19px 24px;font-size:15.6px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-mark{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-size:11px;flex:none}
.faq-mark i{transition:transform .3s ease}
.faq-item[open] .faq-mark i{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:14.6px;line-height:1.92;max-width:70ch}
/* ---------- subscribe ---------- */
.subscribe{
  position:relative;border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:42px 40px;overflow:hidden;
  background:linear-gradient(135deg,rgba(45,212,191,.11),rgba(17,21,30,.94) 58%);
  box-shadow:var(--shadow);
}
.subscribe::after{content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(240,179,80,.16),transparent 70%);pointer-events:none}
.subscribe-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.subscribe h2{font-size:clamp(21px,2.4vw,29px);margin:14px 0 14px;letter-spacing:-.4px}
.subscribe p{color:var(--muted);font-size:15px;line-height:1.9;margin:0}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px}
.field{flex:1 1 210px}
.field input,.field select{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);background-color:rgba(8,10,15,.72);
  color:var(--text);font-size:14.6px;transition:all .25s ease;
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field select{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 52%,calc(100% - 14px) 52%;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field-wide{flex:1 1 100%}
.form-tip{font-size:13.4px;color:var(--accent);margin-top:14px;min-height:20px;opacity:0;transition:opacity .3s ease}
.form-tip.is-on{opacity:1}
/* ---------- footer ---------- */
.site-footer{margin-top:0;padding:58px 0 26px;border-top:1px solid var(--line);background:var(--bg-soft)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:42px}
.footer-brand .brand{margin-bottom:6px}
.footer-brand p{color:var(--muted);font-size:14.4px;line-height:1.88;margin:14px 0 0;max-width:44ch}
.footer-col h4{font-size:14px;letter-spacing:.1em;margin:0 0 17px;font-weight:700;color:var(--text)}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col li a{font-size:14.4px;color:var(--muted)}
.footer-col li a:hover{color:var(--accent)}
.footer-note{margin:0;color:var(--muted-2);font-size:14px;line-height:1.88}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  color:var(--muted-2);font-size:13.4px;
}
.dot{opacity:.6;padding:0 4px}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .page-hero-grid{grid-template-columns:1fr;gap:42px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .compare-grid{grid-template-columns:1fr}
  .subscribe-grid{grid-template-columns:1fr;gap:30px}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:78px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:2px;
    padding:14px 24px 22px;
    background:rgba(8,10,15,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.9);
    display:none;
  }
  .site-nav.is-open{display:flex}
  .site-nav a{width:100%;padding:12px 0;font-size:16px}
  .site-nav a::after{display:none}
  .section{padding:54px 0}
  .subscribe{padding:32px 26px}
}
@media (max-width:768px){
  .news-item{grid-template-columns:1fr;gap:10px}
  .news-item:hover{transform:none}
  .section-head.split{align-items:flex-start}
  .page-hero{padding:46px 0 44px}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .kpi-num{font-size:26px}
  .news-item{padding:20px 18px}
  .compare-col,.guard-card,.qa-card{padding:22px 20px}
  .hero-actions .btn{width:100%}
  .brand{font-size:18px}
}

/* roulang page: category2 */
/* ===== 设计系统 ===== */
:root{
  --bg:#080a0f;
  --bg-soft:#0b0e15;
  --panel:#11151e;
  --panel-2:#161b26;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef1f7;
  --muted:#98a1b3;
  --muted-2:#6f7889;
  --accent:#2dd4bf;
  --accent-2:#f0b350;
  --accent-soft:rgba(45,212,191,.12);
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 24px 60px -34px rgba(0,0,0,.95);
  --shadow-hover:0 34px 70px -30px rgba(0,0,0,1);
  --container:1180px;
}
/* ===== 基础 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,10,15,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:78px;position:relative}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft);flex:none}
.site-nav{display:flex;align-items:center;gap:36px}
.site-nav a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;letter-spacing:.3px}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.site-nav a:hover{color:var(--text)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--text);font-weight:600}
.site-nav a.is-active::after{transform:scaleX(1)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:12px;background:transparent;cursor:pointer;color:var(--text);transition:.25s}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#04211d}
.btn-primary:hover{background:#22c9b5;color:#04211d;transform:translateY(-2px);box-shadow:0 16px 34px -16px rgba(45,212,191,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn-block{width:100%}
/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:var(--accent-soft);color:var(--accent);border:1px solid rgba(45,212,191,.28);
}
.badge-warm{background:rgba(240,179,80,.12);color:var(--accent-2);border-color:rgba(240,179,80,.3)}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;color:var(--muted);border:1px solid var(--line-strong);background:rgba(255,255,255,.02)}
/* ===== 通用板块 ===== */
.section{padding:72px 0;border-top:1px solid var(--line);position:relative}
.section-alt{background:var(--bg-soft)}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.18em;color:var(--accent);margin-bottom:14px;font-weight:600}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.9}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.section-head.split > div{max-width:720px}
/* ===== 分类页头 ===== */
.cat-hero{position:relative;padding:62px 0 58px;overflow:hidden}
.cat-hero::before{content:"";position:absolute;top:-250px;left:-140px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(45,212,191,.15),transparent 68%);pointer-events:none}
.cat-hero::after{content:"";position:absolute;top:-150px;right:-170px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(240,179,80,.10),transparent 70%);pointer-events:none}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:56px;align-items:start}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted-2);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--muted-2)}
.crumb .cur{color:var(--muted)}
.cat-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.28;letter-spacing:-.8px;margin:16px 0 18px}
.cat-lead{color:var(--muted);font-size:16px;line-height:1.92;max-width:58ch}
.cat-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 30px}
.check-list{display:grid;gap:13px;padding-top:26px;border-top:1px solid var(--line);max-width:62ch}
.check-list li{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:var(--muted);line-height:1.75}
.check-list i{color:var(--accent);font-size:13px;margin-top:6px;flex:none}
.side-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px 22px;box-shadow:var(--shadow);transition:.35s ease}
.side-panel:hover{border-color:rgba(45,212,191,.3);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.side-panel h2{font-size:15px;font-weight:650;color:var(--text);letter-spacing:.06em;padding-bottom:16px;border-bottom:1px solid var(--line)}
.side-list li{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list span{font-size:14px;color:var(--muted)}
.side-list strong{font-size:24px;font-weight:750;color:var(--text);letter-spacing:-.5px}
.side-list strong em{font-style:normal;font-size:12.5px;color:var(--muted);margin-left:3px;font-weight:500}
.side-note{display:block;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12.6px;color:var(--muted-2)}
/* ===== 指标看板 ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.3s ease}
.metric-card:hover{border-color:rgba(45,212,191,.32);transform:translateY(-4px);box-shadow:var(--shadow)}
.metric-num{font-size:34px;font-weight:800;letter-spacing:-1px;line-height:1.1;color:var(--text)}
.metric-num em{font-style:normal;font-size:15px;font-weight:500;color:var(--muted);margin-left:4px;letter-spacing:0}
.metric-card h3{font-size:15.5px;margin:12px 0 8px;font-weight:650}
.metric-card p{font-size:13.8px;color:var(--muted);line-height:1.8}
/* ===== 选题矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.matrix-card{position:relative;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.3s ease;overflow:hidden}
.matrix-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent),rgba(45,212,191,0));opacity:0;transition:opacity .3s ease}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.matrix-card:hover::before{opacity:1}
.matrix-icon{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent);font-size:17px;margin-bottom:18px}
.matrix-card h3{font-size:17px;margin-bottom:10px}
.matrix-card p{font-size:14.2px;color:var(--muted);line-height:1.85}
.matrix-foot{display:block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted-2)}
/* ===== 对比 ===== */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;background:var(--panel);transition:.3s ease}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.compare-card.is-strong{background:linear-gradient(160deg,rgba(45,212,191,.10),rgba(17,21,30,.65));border-color:rgba(45,212,191,.3)}
.compare-card h3{font-size:18px;margin-bottom:8px}
.compare-sub{font-size:13.5px;color:var(--muted-2);margin-bottom:22px}
.compare-list{display:grid;gap:14px}
.compare-list li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);line-height:1.8}
.compare-list i{margin-top:6px;font-size:12px;flex:none;color:var(--muted-2)}
.compare-card.is-strong .compare-list i{color:var(--accent)}
/* ===== 时间线 ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px;padding-top:32px}
.timeline::before{content:"";position:absolute;top:7px;left:6px;right:6px;height:1px;background:var(--line-strong)}
.timeline-item{position:relative;padding-top:24px}
.timeline-item::before{content:"";position:absolute;top:0;left:0;width:15px;height:15px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.section-alt .timeline-item::before{background:var(--bg-soft)}
.timeline-item h3{font-size:15.5px;margin-bottom:9px}
.timeline-item p{font-size:13.6px;color:var(--muted);line-height:1.8}
.timeline-step{display:block;font-size:12px;letter-spacing:.16em;color:var(--accent-2);margin-bottom:8px}
/* ===== 资讯列表 ===== */
.feed-list{border-top:1px solid var(--line)}
.feed-item{display:grid;grid-template-columns:92px minmax(0,1fr) auto;gap:26px;align-items:start;padding:26px 4px;border-bottom:1px solid var(--line);transition:background .3s ease}
.feed-item:hover{background:rgba(255,255,255,.022)}
.feed-index{font-size:13px;color:var(--muted-2);letter-spacing:.14em;padding-top:6px}
.feed-body h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.feed-body p{font-size:14.3px;color:var(--muted);line-height:1.85;max-width:72ch}
.feed-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.feed-meta{padding-top:6px;font-size:13px;color:var(--muted-2);white-space:nowrap;text-align:right}
/* ===== 内容规则 ===== */
.guard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.guard-card{display:flex;gap:16px;align-items:flex-start;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);transition:.3s ease}
.guard-card:hover{border-color:rgba(45,212,191,.3);transform:translateY(-3px)}
.guard-card i{font-size:18px;color:var(--accent-2);margin-top:5px;flex:none}
.guard-card h3{font-size:16px;margin-bottom:8px}
.guard-card p{font-size:13.9px;color:var(--muted);line-height:1.8}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:0 24px;transition:.3s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(45,212,191,.28);background:var(--panel-2)}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 0;font-size:16px;font-weight:600;display:flex;justify-content:space-between;gap:18px;align-items:center;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--accent);flex:none}
.faq-item[open] summary::after{content:"\f068"}
.faq-answer{padding:16px 0 22px;border-top:1px solid var(--line);font-size:14.6px;color:var(--muted);line-height:1.9}
/* ===== 转化区 ===== */
.cta-section{padding:72px 0;border-top:1px solid var(--line)}
.cta-box{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;padding:48px;border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:linear-gradient(150deg,rgba(45,212,191,.10),rgba(11,14,21,.92) 58%);overflow:hidden}
.cta-box::after{content:"";position:absolute;right:-130px;bottom:-170px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(240,179,80,.13),transparent 70%);pointer-events:none}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:16px}
.cta-copy p{color:var(--muted);font-size:15px;line-height:1.9}
.cta-points{display:grid;gap:12px;margin-top:26px}
.cta-points li{display:flex;gap:11px;font-size:14.2px;color:var(--muted);line-height:1.75}
.cta-points i{color:var(--accent);font-size:13px;margin-top:6px;flex:none}
.topic-form{position:relative;z-index:2;background:rgba(8,10,15,.74);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:rgba(255,255,255,.03);color:var(--text);font-size:14.5px;line-height:1.6;transition:.25s ease;display:block}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:rgba(45,212,191,.06);box-shadow:0 0 0 3px rgba(45,212,191,.10)}
.field textarea{min-height:100px;resize:vertical}
.form-note{font-size:12.8px;color:var(--muted-2);margin-top:14px;line-height:1.75}
/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-top:60px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:42ch}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:16px;font-weight:650}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:var(--muted)}
.footer-col ul a:hover{color:var(--accent)}
.footer-note{font-size:13.4px;color:var(--muted-2);line-height:1.85}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2)}
.dot{margin:0 6px;color:var(--muted-2)}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:40px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:30px}
  .timeline::before{display:none}
  .cta-box{grid-template-columns:1fr;padding:38px;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;z-index:90;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 18px;
    background:rgba(8,10,15,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
  }
  .site-nav.is-open{display:flex}
  .site-nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .site-nav a::after{display:none}
  .site-nav a.is-active{color:var(--accent)}
}
@media (max-width:768px){
  .wrap{padding:0 18px}
  .section{padding:54px 0}
  .cat-hero{padding:44px 0 46px}
  .section-head.split{flex-direction:column;align-items:flex-start;gap:18px}
  .compare-grid{grid-template-columns:1fr}
  .feed-item{grid-template-columns:minmax(0,1fr);gap:10px;padding:22px 2px}
  .feed-meta{text-align:left;padding-top:0}
  .feed-index{padding-top:0}
  .cta-box{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-top:48px}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;row-gap:24px}
  .cat-actions{flex-direction:column;align-items:stretch}
  .cat-actions .btn{width:100%}
  .cat-hero h1{font-size:26px;letter-spacing:-.4px}
  .topic-form{padding:22px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}