/* roulang page: index */
:root{
  --bg-deep:#071827;
  --bg-main:#0B1D2E;
  --bg-deeper:#04111d;
  --bg-card:#102B3E;
  --bg-card-2:#173448;
  --nav-line:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.1);
  --line-hover:rgba(255,255,255,.22);
  --text-head:#F0F5F9;
  --text-body:#C9D5DE;
  --text-weak:#859AA9;
  --brand:#FF6B35;
  --brand-2:#FF8A5B;
  --accent:#29E6A7;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 14px 32px rgba(0,0,0,.25);
  --shadow-lg:0 28px 70px rgba(0,0,0,.35);
  --trans:.22s ease;
  --font-mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-main);
  color:var(--text-body);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;width:min(1200px,92%);margin-inline:auto;position:relative;z-index:1}
.mono{font-family:var(--font-mono)}

/* 通用按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border-radius:var(--radius-sm);
  padding:14px 24px;
  border:1px solid transparent;
  transition:background var(--trans),color var(--trans),border-color var(--trans),transform var(--trans),box-shadow var(--trans);
  text-align:center;
  cursor:pointer;
  white-space:nowrap;
}
.btn:focus-visible,.nav-link:focus-visible,.news-title a:focus-visible,.channel-card:focus-visible,.footer-link:focus-visible,.logo-area:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.btn-primary{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  box-shadow:0 10px 26px rgba(255,107,53,.2);
}
.btn-primary:hover{
  background:var(--brand-2);
  border-color:var(--brand-2);
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(255,107,53,.28);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:rgba(255,255,255,.2);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.34);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{
  background:var(--accent);
  border-color:var(--accent);
  color:#05241b;
}
.btn-accent:hover{
  background:#8bf0cc;
  transform:translateY(-2px);
}
.btn-dark{
  background:rgba(9,28,43,.8);
  border-color:var(--line);
  color:var(--text-head);
}
.btn-dark:hover{
  background:rgba(19,47,65,.9);
  border-color:var(--line-hover);
}

/* 顶部品牌行 */
.site-header{
  background:rgba(7,24,39,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--nav-line);
  position:sticky;
  top:0;
  z-index:120;
}
.header-top{
  background:linear-gradient(90deg,rgba(7,25,38,.96),rgba(11,35,53,.96));
  border-bottom:1px solid rgba(255,255,255,.05);
}
.header-top-inner{
  min-height:46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:20px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--text-head);
  position:relative;
  z-index:1;
}
.brand-ext{
  color:var(--brand);
  font-size:13px;
  font-weight:800;
  background:rgba(255,107,53,.12);
  border:1px solid rgba(255,107,53,.32);
  padding:2px 8px;
  border-radius:4px;
  letter-spacing:.02em;
}
.trust-line{
  display:flex;
  align-items:center;
  gap:18px;
  color:var(--text-weak);
  font-size:13px;
}
.trust-line .trust-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.trust-line .trust-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(41,230,167,.14);
}

/* 频道导航行 */
.header-nav{
  background:rgba(8,25,39,.88);
  border-top:1px solid rgba(255,255,255,.04);
}
.header-nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:58px;
}
.nav-primary{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-link{
  font-size:15px;
  font-weight:600;
  color:var(--text-body);
  padding:10px 6px;
  position:relative;
  border-radius:var(--radius-sm);
  transition:color var(--trans);
  display:block;
  line-height:1.4;
}
.nav-link:hover{
  color:#fff;
}
.nav-link.active{
  color:#fff;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:6px;
  right:6px;
  bottom:-3px;
  height:3px;
  border-radius:4px;
  background:var(--brand);
}
.header-cta{
  display:flex;
  align-items:center;
  gap:12px;
}
.header-cta .btn{
  height:38px;
  padding:0 18px;
  font-size:14px;
}
.header-tag{
  font-size:13px;
  color:var(--text-weak);
  margin-right:6px;
  white-space:nowrap;
}

/* Hero */
.hero{
  position:relative;
  min-height:72vh;
  display:flex;
  align-items:center;
  padding:110px 0 90px;
  background:
    linear-gradient(82deg,rgba(4,17,27,.96) 0%,rgba(6,25,39,.84) 48%,rgba(11,38,55,.48) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,24,38,0) 0%,rgba(7,24,38,.86) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:3;
  max-width:760px;
  margin-inline:0;
}
.hero-eyebrow{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent);
  background:rgba(41,230,167,.1);
  border:1px solid rgba(41,230,167,.24);
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:40px;
  margin-bottom:24px;
}
.hero h1{
  font-size:48px;
  line-height:1.3;
  color:#fff;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:22px;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:#D6E2EA;
  max-width:680px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:36px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:14px 26px;
  color:#CBD9E3;
  font-size:14px;
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:8px;
}
.check-dot{
  width:18px;
  height:18px;
  border-radius:50%;
  background:rgba(41,230,167,.18);
  border:1px solid rgba(41,230,167,.5);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:11px;
  font-weight:800;
}
.hero-mini-note{
  margin-top:36px;
  display:flex;
  align-items:center;
  gap:16px;
  color:var(--text-weak);
  font-size:13px;
}
.hero-mini-note .line{
  width:40px;
  height:1px;
  background:var(--line-hover);
}

/* Section 通用 */
.section{
  padding:72px 0;
  position:relative;
}
.section-alt{
  background:#0a2032;
}
.section-deep{
  background:#061b2a;
}
.section-header{
  max-width:760px;
  margin:0 auto 46px;
  text-align:center;
}
.kicker{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  background:rgba(255,107,53,.1);
  border:1px solid rgba(255,107,53,.22);
  padding:5px 12px;
  border-radius:40px;
  margin-bottom:14px;
}
h1,h2,h3,h4{
  color:var(--text-head);
  font-weight:800;
  line-height:1.4;
  letter-spacing:-.01em;
}
.section-header h2{
  font-size:34px;
  margin-bottom:12px;
}
.section-header p{
  color:var(--text-weak);
  font-size:16px;
  max-width:640px;
  margin-inline:auto;
}

/* 痛点→方案 */
.pain-wrap{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:56px;
  align-items:start;
}
.pain-left h2{
  font-size:34px;
  margin-bottom:18px;
}
.pain-left > p{
  color:var(--text-body);
  font-size:15px;
  margin-bottom:18px;
}
.pain-note{
  background:#0f2d42;
  border-left:4px solid var(--brand);
  border-radius:var(--radius);
  padding:18px 22px;
  color:#d8e6ee;
  font-size:14px;
  line-height:1.8;
  margin-top:12px;
}
.pain-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.solution-card{
  background:linear-gradient(180deg,rgba(17,47,64,.95),rgba(13,35,49,.95));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  transition:border-color var(--trans),transform var(--trans),background var(--trans);
}
.solution-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.2);
  background:#143b4e;
}
.solution-index{
  font-family:var(--font-mono);
  font-size:24px;
  font-weight:800;
  color:var(--brand);
  display:block;
  margin-bottom:10px;
}
.solution-card h3{
  font-size:18px;
  margin-bottom:8px;
}
.solution-card p{
  color:#bfd0da;
  font-size:14px;
  line-height:1.7;
}

/* 频道入口 */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.channel-card{
  display:block;
  background:#0e2a3f;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.channel-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,255,255,.2);
  box-shadow:var(--shadow-lg);
}
.channel-card-img{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#102b3e;
}
.channel-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.channel-card:hover .channel-card-img img{
  transform:scale(1.04);
}
.channel-card-body{
  padding:26px 26px 28px;
}
.channel-tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  background:rgba(41,230,167,.1);
  border:1px solid rgba(41,230,167,.2);
  border-radius:30px;
  padding:4px 12px;
  margin-bottom:14px;
}
.channel-card h3{
  font-size:22px;
  margin-bottom:10px;
}
.channel-card .text{
  color:#c4d2db;
  font-size:15px;
  line-height:2.0;
  margin-bottom:20px;
}
.link-go{
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.link-go::after{
  content:"→";
  color:var(--brand);
  transition:transform var(--trans);
}
.channel-card:hover .link-go::after{
  transform:translateX(6px);
}
.channel-small-note{
  margin-top:28px;
  color:var(--text-weak);
  font-size:14px;
}
.channel-small-note .tag-inline{
  color:#ffb79b;
  font-weight:600;
}

/* 服务特征 */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.feature-item{
  background:#0c2a3d;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:background var(--trans),transform var(--trans),border-color var(--trans);
}
.feature-item:hover{
  background:#12354c;
  border-color:rgba(255,255,255,.18);
  transform:translateY(-4px);
}
.feature-digit{
  font-family:var(--font-mono);
  font-size:26px;
  font-weight:800;
  color:var(--brand);
  display:block;
  margin-bottom:16px;
}
.feature-item h3{
  font-size:18px;
  margin-bottom:10px;
}
.feature-item p{
  font-size:14px;
  color:#b7cddb;
}
.feature-appendix{
  margin-top:24px;
  color:var(--text-weak);
  font-size:13px;
  display:flex;
  align-items:center;
  gap:8px;
}
.feature-appendix svg{
  flex:none;
}

/* 最新资讯 */
.news-panel{
  background:#0c293b;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.news-card{
  background:#123249;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px 18px;
  display:flex;
  flex-direction:column;
  transition:border-color var(--trans),transform var(--trans),background var(--trans);
}
.news-card:hover{
  border-color:rgba(255,255,255,.2);
  transform:translateY(-3px);
  background:#163855;
}
.news-topline{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.news-cat{
  font-size:12px;
  font-weight:700;
  letter-spacing:.05em;
  color:var(--accent);
  background:rgba(41,230,167,.1);
  border:1px solid rgba(41,230,167,.18);
  padding:3px 10px;
  border-radius:30px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.news-time{
  font-family:var(--font-mono);
  font-size:12px;
  color:#8fa9ba;
  white-space:nowrap;
}
.news-card h3{
  font-size:18px;
  line-height:1.55;
  margin-bottom:10px;
}
.news-card h3 a{
  color:#f1f6fa;
  display:inline-block;
  transition:color var(--trans);
}
.news-card h3 a:hover{
  color:var(--brand-2);
}
.news-excerpt{
  font-size:14px;
  color:#afc4d0;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:14px;
}
.news-more{
  margin-top:auto;
  font-size:13px;
  font-weight:700;
  color:#cfdee7;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color var(--trans);
}
.news-more:hover{
  color:var(--brand-2);
}
.news-more::after{
  content:"→";
  transition:transform var(--trans);
}
.news-more:hover::after{
  transform:translateX(4px);
}
.news-empty{
  border:1px dashed var(--line-hover);
  border-radius:var(--radius);
  padding:46px 24px;
  text-align:center;
  background:rgba(7,25,38,.45);
}
.news-empty-icon{
  width:50px;
  height:50px;
  margin:0 auto 16px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-weak);
  font-size:24px;
}
.news-empty p{
  color:var(--text-body);
  font-size:17px;
  font-weight:600;
}

/* 愿景/说明带 */
.vision-box{
  background:#0f2d40;
  border-radius:var(--radius);
  border:1px solid var(--line);
  padding:44px 44px 38px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px;
  align-items:center;
}
.vision-text h2{
  font-size:28px;
  margin-bottom:14px;
}
.vision-text p{
  color:#c4d5df;
  font-size:15px;
  max-width:760px;
}
.vision-box .btn{
  white-space:nowrap;
}

/* FAQ */
.faq-wrap{
  max-width:900px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  align-items:start;
}
.faq-item{
  background:#0e2c3f;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color var(--trans);
}
.faq-item:hover{
  border-color:rgba(255,255,255,.18);
}
.faq-item.open{
  border-color:rgba(255,107,53,.36);
}
.faq-question{
  display:flex;
  justify-content:space-between;
  width:100%;
  text-align:left;
  gap:16px;
  padding:20px 22px;
  color:#f0f6f9;
  font-weight:700;
  font-size:15px;
  line-height:1.6;
  cursor:pointer;
  transition:color var(--trans);
}
.faq-question:hover{
  color:var(--brand-2);
}
.faq-icon{
  flex:none;
  width:22px;
  height:22px;
  border-radius:50%;
  border:1px solid var(--line-hover);
  position:relative;
  transition:background var(--trans),border-color var(--trans);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:#fff;
  transition:transform var(--trans),opacity var(--trans);
  border-radius:2px;
}
.faq-icon::before{
  width:10px;height:2px;top:50%;left:50%;
  transform:translate(-50%,-50%);
}
.faq-icon::after{
  width:2px;height:10px;top:50%;left:50%;
  transform:translate(-50%,-50%);
}
.faq-item.open .faq-icon{
  border-color:var(--brand);
  background:var(--brand);
}
.faq-item.open .faq-icon::after{
  opacity:0;
  transform:translate(-50%,-50%) rotate(90deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-answer-inner{
  padding:0 22px 22px;
  color:#b8ccd8;
  font-size:14px;
  line-height:1.85;
  background:#0b2535;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.faq-item.open .faq-answer{
  max-height:360px;
}

/* CTA */
.cta-block{
  background:linear-gradient(180deg,#102f43,#0b263a);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:58px 40px;
  text-align:center;
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.cta-block h2{
  font-size:32px;
  margin-bottom:16px;
}
.cta-block p{
  color:#cbdbe5;
  max-width:620px;
  margin:0 auto 30px;
  font-size:16px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
}
.cta-note{
  color:var(--text-weak);
  font-size:14px;
  margin-top:22px;
}

/* Footer */
.site-footer{
  background:#041322;
  border-top:1px solid var(--line);
  padding:60px 0 0;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .7fr .8fr 1fr;
  gap:44px;
  padding-bottom:42px;
}
.footer-brand-name{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:20px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand-name .fext{
  color:var(--brand);
  font-size:13px;
  background:rgba(255,107,53,.12);
  border:1px solid rgba(255,107,53,.25);
  border-radius:4px;
  padding:2px 7px;
}
.footer-summary{
  color:#8aa5b4;
  font-size:14px;
  line-height:1.8;
  max-width:320px;
  margin-bottom:18px;
}
.footer-contact{
  color:#b7c8d3;
  font-size:13px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-contact span{
  color:var(--accent);
  font-weight:600;
  margin-right:8px;
}
.footer-col h4{
  font-size:15px;
  letter-spacing:.02em;
  margin-bottom:18px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-link{
  color:#9fb3bf;
  font-size:14px;
  transition:color var(--trans),padding-left var(--trans);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-link::before{
  content:"·";
  color:var(--brand);
  font-weight:800;
  font-size:20px;
  line-height:0;
}
.footer-link:hover{
  color:#fff;
  padding-left:3px;
}
.footer-subscribe p{
  color:#85a2b2;
  font-size:13px;
  margin-bottom:12px;
  line-height:1.8;
}
.footer-btn{
  display:inline-block;
  color:#fff;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line-hover);
  border-radius:var(--radius-sm);
  padding:10px 16px;
  font-size:13px;
  font-weight:600;
  transition:background var(--trans),transform var(--trans);
}
.footer-btn:hover{
  background:var(--brand);
  border-color:var(--brand);
  transform:translateY(-2px);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:20px 0;
  font-size:13px;
  color:#7792a1;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}
.footer-bottom .domain{
  color:#b9ccd7;
  font-weight:500;
}
.special-note{
  color:#72b8a0;
}

/* 移动导航抽屉 */
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#0d2c40;
  transition:background var(--trans);
}
.menu-toggle:hover{
  background:#13374e;
}
.menu-toggle .bar{
  width:20px;
  height:2px;
  background:#fff;
  border-radius:2px;
  display:block;
  margin:2px auto;
}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  height:100vh;
  width:min(78%,340px);
  background:#0a2234;
  z-index:300;
  padding:30px 26px;
  box-shadow:-20px 0 50px rgba(0,0,0,.35);
  transform:translateX(102%);
  transition:transform .3s ease;
  overflow-y:auto;
  border-left:1px solid var(--line);
}
body.drawer-open .mobile-drawer{
  transform:translateX(0);
}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:32px;
}
.drawer-close{
  width:38px;
  height:38px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:#fff;
  transition:background var(--trans);
}
.drawer-close:hover{
  background:rgba(255,255,255,.1);
}
.mobile-nav-link{
  display:block;
  color:#dbe7ee;
  font-size:17px;
  font-weight:700;
  padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color var(--trans),padding-left var(--trans);
}
.mobile-nav-link:hover,
.mobile-nav-link.active{
  color:var(--brand-2);
  padding-left:10px;
}
.drawer-cta{
  margin-top:28px;
  display:grid;
  gap:10px;
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  z-index:290;
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease;
}
body.drawer-open .drawer-mask{
  opacity:1;
  visibility:visible;
}

/* 响应式 */
@media (max-width:1100px){
  .feature-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
}
@media (max-width:1023px){
  .channel-grid{
    grid-template-columns:1fr 1fr;
    gap:18px;
  }
  .channel-card-body{
    padding:20px;
  }
}
@media (max-width:767px){
  .section{
    padding:52px 0;
  }
  .section-header{
    margin-bottom:34px;
  }
  .section-header h2{
    font-size:27px;
  }
  .hero{
    min-height:auto;
    padding:70px 0 70px;
  }
  .hero h1{
    font-size:34px;
    line-height:1.35;
  }
  .hero-sub{
    font-size:15px;
  }
  .hero-ear{
    margin-bottom:20px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-points{
    align-items:flex-start;
    flex-direction:column;
    gap:10px;
  }
  .pain-wrap{
    grid-template-columns:1fr;
    gap:28px;
  }
  .pain-list{
    grid-template-columns:1fr;
  }
  .channel-grid{
    grid-template-columns:1fr;
  }
  .feature-grid{
    grid-template-columns:1fr 1fr;
    gap:12px;
  }
  .feature-item{
    padding:20px 16px;
  }
  .feature-digit{
    font-size:22px;
  }
  .feature-item h3{
    font-size:16px;
  }
  .news-grid{
    grid-template-columns:1fr;
  }
  .news-panel{
    padding:18px 14px;
  }
  .news-card{
    padding:18px 16px;
  }
  .vision-box{
    grid-template-columns:1fr;
    padding:30px 22px;
    text-align:center;
  }
  .faq-wrap{
    grid-template-columns:1fr;
  }
  .cta-block{
    padding:42px 18px;
  }
  .cta-block h2{
    font-size:26px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
    padding-bottom:20px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:center;
    text-align:center;
  }
  .header-top-inner{
    min-height:58px;
  }
  .header-nav-inner{
    min-height:52px;
  }
  .header-tablet{
    display:none;
  }
  .menu-toggle{
    display:inline-flex;
  }
}
@media (max-width:520px){
  .feature-grid{
    grid-template-columns:1fr;
  }
  .container{
    width:90%;
  }
  .header-top-inner{
    gap:10px;
  }
  .trust-line{
    gap:10px;
  }
  .trust-line .trust-item .trust-dot{
    display:none;
  }
  .brand{
    font-size:17px;
  }
  .brand-ext{
    font-size:11px;
  }
  .hero .btn{
    font-size:15px;
  }
  .hero-mini-note{
    display:none;
  }
  .news-topline{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* roulang page: category1 */
:root{
    --bg-night-1:#0B1D2E;
    --bg-night-2:#0E2434;
    --bg-night-3:#071723;
    --card-bg:#132B3F;
    --card-bg-2:#162F42;
    --card-line:rgba(255,255,255,.09);
    --line-soft:rgba(255,255,255,.07);
    --text-main:#F2F7FA;
    --text-strong:#FFFFFF;
    --text-weak:#A5B9C8;
    --text-mute:#7F96A8;
    --brand-primary:#FF6B35;
    --brand-primary-dark:#E6561F;
    --brand-primary-soft:rgba(255,107,53,.16);
    --accent:#29E6A7;
    --accent-soft:rgba(41,230,167,.12);
    --radius-card:14px;
    --radius-btn:8px;
    --radius-chip:999px;
    --shadow-card:0 10px 32px rgba(4,15,24,.28);
    --shadow-cta:0 12px 34px rgba(255,107,53,.24);
    --maxw:1200px;
    --gap-section:72px;
    --gap-section-md:48px;
    --font-ui:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    --font-num:"DIN Alternate","Roboto Mono","SFMono-Regular",Consolas,"Liberation Mono",ui-monospace,monospace;
    --transition:all .2s ease;
  }

  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font-ui);
    background:
      radial-gradient(circle at 80% 30%,rgba(255,107,53,.05) 0,rgba(0,0,0,0) 26%),
      var(--bg-night-1);
    color:var(--text-main);
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none;transition:var(--transition)}
  button{font-family:inherit;cursor:pointer;border:0;background:none}
  ul,ol{list-style:none}
  h1,h2,h3,h4{line-height:1.4;color:var(--text-strong);font-weight:700}

  .container{
    width:min(var(--maxw),92%);
    margin-inline:auto;
  }
  .mono{font-family:var(--font-num);letter-spacing:.2px}

  .site-header{
    background:rgba(8,20,31,.88);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,.06);
    position:relative;
    z-index:90;
  }
  .header-top{
    background:linear-gradient(180deg,rgba(7,20,31,.9),rgba(11,29,46,.94));
    border-bottom:1px solid rgba(255,255,255,.05);
  }
  .header-top-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;
  }
  .brand{
    display:inline-flex;align-items:baseline;gap:4px;
    font-size:21px;font-weight:800;color:#fff;
    letter-spacing:.5px;
  }
  .brand-ext{
    color:var(--brand-primary);
    font-weight:800;
    margin-left:2px;
  }
  .trust-line{
    display:flex;align-items:center;gap:18px;
    font-size:12.5px;color:var(--text-weak);
  }
  .trust-item{display:inline-flex;align-items:center;gap:8px}
  .trust-dot{
    width:5px;height:5px;border-radius:50%;
    background:var(--accent);box-shadow:0 0 0 3px rgba(41,230,167,.14);
  }
  .header-nav{
    background:linear-gradient(180deg,rgba(11,29,46,.95),rgba(10,24,37,.96));
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .header-nav-inner{
    display:flex;align-items:center;justify-content:space-between;
    min-height:62px;gap:22px;
  }
  .nav-primary{
    display:flex;align-items:center;gap:4px;
  }
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    height:62px;padding:0 20px;
    font-size:16px;font-weight:600;color:#D0DFE9;letter-spacing:.4px;
    transition:var(--transition);
  }
  .nav-link:after{
    content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:3px;
    border-radius:3px 3px 0 0;
    background:var(--brand-primary);
    transform:scaleX(.6);opacity:0;transition:var(--transition);
  }
  .nav-link:hover{color:#fff}
  .nav-link:hover:after{transform:scaleX(1);opacity:1}
  .nav-link.active{
    color:#fff;
  }
  .nav-link.active:after{
    transform:scaleX(1);opacity:1;
  }
  .header-cta{
    display:flex;align-items:center;gap:12px;
  }
  .header-tag{
    font-size:13px;color:var(--text-mute);
    padding:6px 0;
  }
  .header-tag:before{
    content:"";
    display:inline-block;width:7px;height:7px;border-radius:50%;
    background:var(--accent);margin-right:8px;
    box-shadow:0 0 0 3px rgba(41,230,167,.13);
    vertical-align:1px;
  }
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:700;line-height:1;letter-spacing:.3px;
    border-radius:var(--radius-btn);
    transition:var(--transition);
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--brand-primary);
    color:#fff;
    height:40px;padding:0 20px;font-size:15px;
    box-shadow:0 6px 18px rgba(255,107,53,.22);
  }
  .btn-primary:hover{
    background:#ff7f52;transform:translateY(-2px);
    box-shadow:0 10px 24px rgba(255,107,53,.32);
  }
  .btn-primary:active{
    background:var(--brand-primary-dark);
    transform:translateY(0);
  }
  .btn-outline{
    border:1px solid rgba(255,255,255,.34);
    color:#fff;
    height:44px;padding:0 26px;font-size:15px;
    background:transparent;
  }
  .btn-outline:hover{
    border-color:#fff;
    background:rgba(255,255,255,.08);
    transform:translateY(-2px);
  }
  .btn-outline-lg{
    height:50px;padding:0 30px;font-size:16px;
    border:1px solid rgba(255,255,255,.3);
    color:#fff;
    border-radius:var(--radius-btn);
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:rgba(255,255,255,.03);
    transition:var(--transition);
    font-weight:600;
  }
  .btn-outline-lg:hover{
    border-color:var(--brand-primary);
    color:#fff;background:rgba(255,107,53,.1);
    transform:translateY(-2px);
  }
  .menu-toggle{
    display:none;
    width:44px;height:44px;align-items:center;justify-content:center;
    border-radius:8px;
    border:1px solid var(--line-soft);
    background:rgba(255,255,255,.03);
  }
  .menu-toggle .bar{
    display:block;width:20px;height:2px;margin:4px auto;
    background:#EAF1F6;border-radius:2px;
    transition:var(--transition);
  }
  .menu-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .page-section{padding-block:var(--gap-section)}
  .page-section.tight{padding-block:42px}
  .band-dark{
    background:linear-gradient(180deg,rgba(8,20,30,.9),rgba(10,25,38,.98));
  }
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
    margin-bottom:42px;
  }
  .section-kicker{
    display:inline-flex;align-items:center;gap:12px;
    font-size:13px;font-weight:700;letter-spacing:2px;
    color:var(--brand-primary);text-transform:uppercase;
    margin-bottom:12px;
  }
  .section-kicker:before{
    content:"";width:26px;height:2px;background:var(--brand-primary);
    border-radius:2px;
  }
  .section-title{
    font-size:clamp(24px,2.6vw,34px);
    font-weight:800;
    letter-spacing:.5px;
  }
  .section-sub{
    max-width:560px;
    font-size:15px;color:var(--text-weak);
  }
  .grid-cat-4{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  }
  .grid-cat-2{
    display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
  }
  .card{
    background:var(--card-bg);
    border:1px solid var(--card-line);
    border-radius:var(--radius-card);
    padding:26px;
    position:relative;
    transition:var(--transition);
    overflow:hidden;
  }
  .card:hover{
    background:var(--card-bg-2);
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
  }
  .card-icon{
    width:44px;height:44px;border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    background:var(--brand-primary-soft);
    color:var(--brand-primary);
    font-size:22px;
    margin-bottom:18px;
  }
  .card h3{
    font-size:19px;margin-bottom:10px;font-weight:800;
  }
  .card p{
    font-size:14.5px;line-height:1.75;color:var(--text-weak);
  }
  .card-link{
    display:inline-flex;align-items:center;gap:8px;margin-top:18px;
    font-size:14px;color:#D4E3ED;font-weight:600;
  }
  .card-link:hover{color:var(--brand-primary);gap:10px}
  .card-link:before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--accent);flex:none;
  }

  /* ======= 分类Hero ======= */
  .cat-hero{
    position:relative;
    min-height:66vh;
    padding:92px 0 72px;
    display:flex;align-items:center;
    background:var(--bg-night-3);
    overflow:hidden;
  }
  .cat-hero:before{
    content:"";
    position:absolute;inset:0;
    background:
      url("/assets/images/backpic/back-3.webp") center 20%/cover no-repeat;
    opacity:.34;
    filter:saturate(.9);
  }
  .cat-hero:after{
    content:"";
    position:absolute;inset:0;
    background:
      linear-gradient(180deg,rgba(7,17,27,.4) 0%,rgba(7,17,27,.74) 64%,var(--bg-night-1) 97%),
      radial-gradient(circle at 20% 40%,rgba(255,107,53,.16),transparent 36%);
  }
  .cat-hero .container{position:relative;z-index:2}
  .crumb{
    display:flex;align-items:center;gap:10px;
    font-size:13.5px;color:var(--text-weak);
    margin-bottom:34px;
  }
  .crumb a{color:var(--text-weak)}
  .crumb a:hover{color:#fff}
  .crumb i,.crumb-sep{opacity:.6;font-style:normal}
  .crumb-current{color:#DDE9F1}
  .cat-hero h1{
    max-width:840px;
    font-size:clamp(34px,5vw,56px);
    font-weight:800;
    letter-spacing:1px;
    line-height:1.3;
    margin-bottom:20px;
  }
  .cat-hero h1 .brand-em{
    display:inline-block;
    background:linear-gradient(90deg,var(--brand-primary),#ff9577);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-desc{
    max-width:680px;
    font-size:clamp(15px,1.4vw,18px);
    line-height:1.9;
    color:#CBDCE7;
    margin-bottom:34px;
  }
  .hero-actions{
    display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  }
  .hero-scroll{
    display:inline-flex;align-items:center;gap:8px;
    font-size:15px;color:var(--text-weak);font-weight:500;
    margin-top:22px;
  }
  .hero-scroll:hover{color:#fff}
  .hero-scroll .arrow{transition:transform .3s ease;font-size:18px}
  .hero-scroll:hover .arrow{transform:translateY(4px)}

  .hero-line{
    display:flex;align-items:center;gap:24px;
    margin-top:50px;
    padding:18px 24px;
    border:1px solid rgba(255,255,255,.08);
    border-radius:14px;
    background:rgba(8,22,34,.52);
    backdrop-filter:blur(8px);
    max-width:720px;
    flex-wrap:wrap;
  }
  .hero-line-item{
    display:flex;align-items:center;gap:10px;
    font-size:13.5px;color:#B8CEDA;
  }
  .hero-line-item .ic{
    width:6px;height:6px;border-radius:50%;background:var(--accent);
    box-shadow:0 0 0 3px rgba(41,230,167,.14);
  }

  /* ======== 信息板块 ======== */
  .intro-grid{
    display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start;
  }
  .intro-left .eyebrow{
    display:inline-flex;align-items:center;
    gap:10px;font-size:13px;font-weight:700;letter-spacing:1.5px;
    color:var(--accent);
    padding:7px 14px;
    background:var(--accent-soft);
    border-radius:var(--radius-chip);
    margin-bottom:20px;
  }
  .intro-left h2{
    font-size:clamp(26px,3vw,36px);
    font-weight:800;
    line-height:1.45;
    margin-bottom:16px;
  }
  .intro-left p{
    font-size:15px;line-height:1.9;color:var(--text-weak);
  }
  .intro-right{
    display:grid;grid-template-columns:1fr 1fr;gap:14px;
  }
  .info-tile{
    background:rgba(255,255,255,.025);
    border:1px solid rgba(255,255,255,.07);
    border-radius:12px;
    padding:18px 16px;
    transition:var(--transition);
  }
  .info-tile:hover{
    border-color:rgba(255,107,53,.34);
    background:rgba(255,107,53,.06);
    transform:translateY(-3px);
  }
  .info-tile .num{
    font-family:var(--font-num);
    font-size:15px;
    color:var(--brand-primary);
    display:block;margin-bottom:10px;
    font-weight:700;
  }
  .info-tile h4{
    font-size:17px;margin-bottom:6px;
  }
  .info-tile p{
    font-size:13.5px;color:var(--text-weak);line-height:1.6;
  }

  /* ====== 四个频道关注点 ====== */
  .focus-band{
    background:rgba(7,18,28,.78);
    border-top:1px solid rgba(255,255,255,.04);
    border-bottom:1px solid rgba(255,255,255,.04);
  }
  .focus-list{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  }
  .focus-item{
    padding:6px 6px 14px;
    border-top:2px solid transparent;
    transition:var(--transition);
  }
  .focus-item:hover{border-top-color:var(--brand-primary)}
  .focus-item .step-num{
    font-family:var(--font-num);
    font-size:13px;font-weight:800;color:var(--brand-primary);
    display:block;
    margin:12px 0 8px;
  }
  .focus-item .step-num:after{
    content:"";display:block;
    width:26px;height:1px;background:var(--brand-primary);
    margin-top:9px;opacity:.8;
  }
  .focus-item h3{font-size:18px;margin-bottom:8px;font-weight:800}
  .focus-item p{
    font-size:14px;line-height:1.7;color:var(--text-weak);
  }

  .project-grid{
    display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
  }
  .project-tag{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:46px;
    border:1px solid rgba(255,255,255,.1);
    background:rgba(255,255,255,.03);
    color:#C7D6E1;
    border-radius:10px;
    font-size:14.5px;font-weight:600;
    transition:var(--transition);
  }
  .project-tag:hover{
    border-color:var(--brand-primary);
    color:#fff;
    background:rgba(255,107,53,.12);
    transform:translateY(-3px);
  }

  /* ===== 精选双栏 ===== */
  .feature-split{
    display:grid;grid-template-columns:1.2fr .92fr;gap:18px;
  }
  .feature-hero{
    position:relative;
    border-radius:var(--radius-card);
    overflow:hidden;
    min-height:420px;
    border:1px solid var(--card-line);
    display:flex;align-items:flex-end;
    background:var(--card-bg);
  }
  .feature-hero img,.feature-small img{
    position:absolute;inset:0;width:100%;height:100%;
    object-fit:cover;
    transition:transform .4s ease;
  }
  .feature-hero:hover img{transform:scale(1.04)}
  .feature-hero:after,.feature-small:after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(9,22,32,.02) 30%,rgba(6,16,26,.9) 82%);
  }
  .feature-body{
    position:relative;z-index:2;
    padding:28px;
  }
  .feature-badge,.small-badge{
    display:inline-flex;
    font-size:12.5px;font-weight:700;
    color:#fff;
    background:var(--brand-primary);
    padding:5px 12px;
    border-radius:var(--radius-chip);
    margin-bottom:16px;
  }
  .feature-hero h3{
    font-size:26px;font-weight:800;
    margin-bottom:10px;color:#fff;
  }
  .feature-hero p{
    font-size:15px;line-height:1.8;
    max-width:480px;color:#D6E3EC;
  }
  .mini-stack{
    display:flex;flex-direction:column;gap:18px;
  }
  .feature-small{
    position:relative;
    border-radius:var(--radius-card);
    overflow:hidden;
    border:1px solid var(--card-line);
    min-height:198px;
    flex:1;
    display:flex;align-items:flex-end;
    background:var(--card-bg);
    transition:var(--transition);
  }
  .feature-small:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
  }
  .feature-small img{opacity:.82}
  .feature-small:hover img{transform:scale(1.04)}
  .small-body{
    position:relative;z-index:2;
    padding:20px 22px;
    width:100%;
  }
  .small-badge{background:var(--accent);color:#062a20}
  .feature-small h4{
    font-size:18px;line-height:1.55;color:#fff;font-weight:800;
  }
  .feature-small .tagline{
    font-size:13.5px;color:#D7E5ED;margin-top:6px;
  }

  /* ====== 分栏图文 ===== */
  .split-feature{
    display:grid;grid-template-columns:1.04fr 1fr;gap:52px;align-items:center;
  }
  .visual-wrap{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    border:1px solid var(--card-line);
    box-shadow:var(--shadow-card);
  }
  .visual-wrap img{
    width:100%;height:430px;object-fit:cover;
  }
  .visual-wrap:after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(8,20,31,.12),rgba(8,20,31,.56));
  }
  .visual-quote{
    position:absolute;bottom:0;left:0;right:0;z-index:2;
    padding:22px;
    background:linear-gradient(180deg,transparent,rgba(5,14,22,.96));
  }
  .visual-quote p{
    font-size:14.5px;color:#EAF2F7;line-height:1.75;
  }
  .text-split h2{
    font-size:clamp(26px,3vw,36px);
    line-height:1.5;
    margin-bottom:24px;
    font-weight:800;
  }
  .text-split p{
    font-size:15px;
    line-height:2;
    color:var(--text-weak);
    margin-bottom:18px;
  }
  .check-list{
    margin-top:12px;
    display:grid;gap:12px;
  }
  .check-list li{
    display:flex;align-items:flex-start;gap:12px;
    font-size:15px;color:#CEDDE7;
    line-height:1.6;
  }
  .check-list .check{
    width:18px;height:18px;flex:none;
    border-radius:50%;
    background:var(--accent-soft);
    color:var(--accent);
    font-size:12px;font-weight:900;
    display:flex;align-items:center;justify-content:center;
    margin-top:4px;
  }

  /* ===== 阅读节奏 ===== */
  .reading-sec{
    background:var(--bg-night-3);border:1px solid rgba(255,255,255,.04);
  }
  .reading-wrap{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  }
  .r-card{
    background:rgba(255,255,255,.02);
    border:1px solid rgba(255,255,255,.07);
    border-radius:14px;
    padding:26px;
    transition:var(--transition);
    position:relative;
  }
  .r-card:hover{
    background:var(--card-bg-2);
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
  }
  .r-index{
    font-family:var(--font-num);
    font-size:14px;color:#fff;font-weight:800;
    display:inline-flex;width:34px;height:34px;
    background:var(--brand-primary);
    align-items:center;justify-content:center;
    border-radius:8px;
    margin-bottom:18px;
  }
  .r-card h3{
    font-size:19px;margin-bottom:10px;font-weight:800;
  }
  .r-card p{
    font-size:14.5px;line-height:1.75;color:var(--text-weak);
  }

  .tag-chip-row{
    display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
  }
  .tag-chip{
    display:inline-flex;align-items:center;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.1);
    padding:7px 15px;
    border-radius:var(--radius-chip);
    font-size:13px;color:#C5D5E1;
    transition:var(--transition);
  }
  .tag-chip:hover{
    background:rgba(255,107,53,.13);
    border-color:rgba(255,107,53,.4);
    color:#fff;
    transform:translateY(-2px);
  }
  .tag-chip:before{
    content:"#";color:var(--brand-primary);margin-right:5px;
  }

  /* FAQ */
  .faq-wrap{
    display:grid;grid-template-columns:1fr 1.8fr;gap:48px;
  }
  .faq-aside p{
    color:var(--text-weak);
    font-size:15px;line-height:1.9;margin-top:10px;
  }
  details{
    margin-bottom:12px;
    border:1px solid rgba(255,255,255,.09);
    background:rgba(255,255,255,.025);
    border-radius:12px;
    padding:20px 24px;
    transition:var(--transition);
  }
  details[open]{
    border-color:rgba(255,107,53,.4);
    background:rgba(255,107,53,.05);
  }
  details summary{
    cursor:pointer;
    list-style:none;
    font-size:16px;font-weight:700;
    color:#E7F0F5;
    display:flex;justify-content:space-between;align-items:center;gap:18px;
  }
  details summary::-webkit-details-marker{display:none}
  details summary:after{
    content:"+";
    font-size:21px;font-weight:400;
    color:var(--brand-primary);
    flex:none;
    width:24px;height:24px;
    display:flex;align-items:center;justify-content:center;
    border-radius:6px;
    background:rgba(255,107,53,.12);
    transition:transform .25s ease;
  }
  details[open] summary:after{
    content:"−";
    transform:rotate(180deg);
  }
  details .faq-a{
    padding-top:14px;
    font-size:14.5px;color:var(--text-weak);
    line-height:1.85;
    max-width:680px;
  }

  /* CTA */
  .cta-panel{
    overflow:hidden;
    position:relative;
    border-radius:20px;
    background:
      linear-gradient(92deg,rgba(255,107,53,.96) 0%,#f18a47 65%,#ffb05a 100%);
    padding:54px 50px;
    display:flex;align-items:center;justify-content:space-between;
    gap:32px;
    box-shadow:0 24px 70px rgba(255,107,53,.22);
  }
  .cta-panel:before{
    content:"";
    position:absolute;
    width:280px;height:280px;border-radius:50%;
    background:rgba(255,255,255,.16);
    right:-76px;top:-94px;
  }
  .cta-panel:after{
    content:"";
    position:absolute;
    width:180px;height:180px;border-radius:50%;
    border:1px solid rgba(255,255,255,.2);
    right:110px;bottom:-78px;
  }
  .cta-left{position:relative;z-index:2}
  .cta-left h2{
    color:#fff;font-size:clamp(24px,3vw,34px);
    font-weight:800;
    line-height:1.5;
    margin-bottom:10px;
  }
  .cta-left p{
    color:rgba(255,255,255,.9);
    font-size:16px;line-height:1.8;
    max-width:560px;
  }
  .cta-links{
    display:flex;gap:12px;flex-wrap:wrap;
    position:relative;z-index:2;flex:none;
  }
  .btn-white{
    background:#fff;color:#B64917;
  }
  .btn-white:hover{
    background:#FFF3EF;
    transform:translateY(-2px);
    color:#963206;
  }
  .btn-ghost-dark{
    background:rgba(0,0,0,.16);
    border:1px solid rgba(255,255,255,.6);
    color:#fff;
  }
  .btn-ghost-dark:hover{
    background:rgba(0,0,0,.28);
    border-color:#fff;
    transform:translateY(-2px);
  }

  /* CTA band 下方的联系小行 */
  .cta-footnote{
    margin-top:20px;
    color:var(--text-mute);
    font-size:13.5px;
    display:flex;align-items:center;gap:8px;
    flex-wrap:wrap;
  }
  .cta-footnote a{
    color:#D4E3ED;
  }
  .cta-footnote a:hover{color:var(--brand-primary)}

  /* Footer */
  .site-footer{
    background:#071723;
    border-top:1px solid rgba(255,255,255,.06);
    margin-top:80px;
  }
  .site-footer .container{
    width:min(var(--maxw),92%);
    margin-inline:auto;
    padding:62px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.3fr;
    gap:50px;
    padding-bottom:52px;
  }
  .footer-brand-name{
    font-size:23px;font-weight:800;color:#fff;
    margin-bottom:18px;
  }
  .footer-brand-name .fext{
    color:var(--brand-primary);
  }
  .footer-summary{
    font-size:14.5px;line-height:1.8;color:var(--text-mute);
    max-width:380px;
    margin-bottom:20px;
  }
  .footer-contact{
    display:flex;flex-direction:column;gap:9px;
  }
  .footer-contact span{
    font-size:14px;color:var(--text-weak);
  }
  .footer-contact span .mono{
    color:#AFC6D4;
  }
  .site-footer h4{
    color:#D9E7F0;
    font-size:16px;font-weight:700;
    margin-bottom:16px;
    position:relative;
    padding-bottom:10px;
  }
  .site-footer h4:after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:22px;height:2px;background:var(--brand-primary);
    border-radius:2px;
  }
  .site-footer ul li{margin-bottom:10px}
  .footer-link{
    color:var(--text-mute);
    font-size:14px;line-height:1.6;
    transition:var(--transition);
  }
  .footer-link:hover{
    color:#fff;
    padding-left:4px;
  }
  .footer-subscribe{
    font-size:14px;color:var(--text-mute);
    line-height:1.7;
    margin-bottom:10px;
  }
  .footer-btn{
    display:inline-flex;
    align-items:center;justify-content:center;
    gap:8px;
    height:40px;
    padding:0 18px;
    background:rgba(255,107,53,.1);
    color:#fff;
    border-radius:8px;
    font-size:14px;
    font-weight:600;
    border:1px solid rgba(255,107,53,.3);
    transition:var(--transition);
  }
  .footer-btn:hover{
    background:var(--brand-primary);
    border-color:var(--brand-primary);
    transform:translateY(-2px);
  }
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    flex-wrap:wrap;
    border-top:1px solid rgba(255,255,255,.07);
    padding:24px 0 28px;
    font-size:13px;
    color:var(--text-mute);
  }
  .footer-bottom .domain{
    color:#AFC6D4;
  }

  /* responsive */
  @media(max-width:1024px){
    .grid-cat-4,.focus-list{
      grid-template-columns:repeat(2,1fr);
    }
    .footer-grid{
      grid-template-columns:1fr 1fr;
      gap:32px;
    }
    .feature-split{
      grid-template-columns:1fr;
    }
    .split-feature{
      grid-template-columns:1fr;
    }
    .project-grid{grid-template-columns:repeat(3,1fr)}
    .faq-wrap{grid-template-columns:1fr}
  }
  @media(max-width:768px){
    :root{
      --gap-section:52px;
    }
    .header-top-inner{
      height:54px;
    }
    .trust-item:last-child{
      display:none;
    }
    .menu-toggle{
      display:flex;
      background:transparent;
      border:none;
    }
    .nav-primary{
      display:none;
      position:absolute;
      top:100%;
      left:0;right:0;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      background:#0E2536;
      border-bottom:1px solid var(--line-soft);
      padding:8px 20px 14px;
    }
    .site-header.nav-open .nav-primary{
      display:flex;
    }
    .nav-link{
      height:48px;
      padding:0 16px;
      border-radius:8px;
      justify-content:space-between;
    }
    .nav-link:after{
      display:none;
    }
    .nav-link:hover{
      background:rgba(255,255,255,.05);
    }
    .nav-link.active{
      background:rgba(255,107,53,.13);
      color:#FFB69C;
    }
    .header-tag{
      display:none;
    }
    .header-tablet{
      margin-left:auto;
    }
    .header-nav-inner{
      gap:12px;
    }
    .cat-hero{
      min-height:auto;
      padding:64px 0 60px;
    }
    .cat-hero h1{
      font-size:34px;
    }
    .hero-line{
      margin-top:32px;
      padding:14px 16px;
    }
    .intro-grid,
    .feature-split,
    .faq-wrap{
      grid-template-columns:1fr;
    }
    .intro-right{
      grid-template-columns:1fr 1fr;
    }
    .reading-wrap{
      grid-template-columns:1fr;
    }
    .cta-panel{
      flex-direction:column;
      align-items:flex-start;
      padding:40px 24px;
    }
    .cta-links{
      width:100%;
    }
    .cta-links .btn{
      flex:1;
    }
  }
  @media(max-width:520px){
    .container{
      width:min(var(--maxw),90%);
    }
    .trust-line{
      display:none;
    }
    .header-cta .btn-primary{
      height:36px;
      padding:0 14px;
      font-size:14px;
    }
    .grid-cat-4,.grid-cat-2{
      grid-template-columns:1fr;
    }
    .project-grid{
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }
    .intro-right{
      grid-template-columns:1fr;
    }
    .focus-list{
      grid-template-columns:1fr;
    }
    .cat-hero h1{
      font-size:29px;
    }
    .hero-actions .btn{
      width:100%;
    }
    .section-head{
      flex-direction:column;
      align-items:flex-start;
    }
    .footer-grid{
      grid-template-columns:1fr;
    }
    .footer-bottom{
      flex-direction:column;
      text-align:center;
    }
    .feature-hero{
      min-height:340px;
    }
    .visual-wrap img{
      height:310px;
    }
    .cta-links{
      flex-direction:column;
    }
  }
  @media(prefers-reduced-motion:reduce){
    *,*::before,*::after{
      transition:none !important;
      scroll-behavior:auto !important;
    }
    img{transform:none !important}
    .feature-hero:hover img,.feature-small:hover img{transform:none}
  }

/* roulang page: article */
:root{
  --bg:#0B1D2E;
  --bg-deep:#081725;
  --bg-soft:#0F2A3D;
  --card:#132B3F;
  --card-soft:#162F42;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#E7F0F6;
  --text-soft:#A7BDCB;
  --text-mute:#7C97A8;
  --brand:#FF6B35;
  --brand-dark:#E0521A;
  --brand-soft:rgba(255,107,53,.14);
  --ripple:rgba(255,107,53,.28);
  --ok:#29E6A7;
  --radius-lg:10px;
  --radius-md:6px;
  --shadow-md:0 12px 32px rgba(3,10,18,.28);
  --shadow-lg:0 18px 46px rgba(2,8,14,.4);
  --font-main:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --container:1200px;
  --space-lg:76px;
  --space-md:56px;
  --space-sm:40px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.mono{font-family:var(--font-num);letter-spacing:.02em}
.section{padding:var(--space-lg) 0}
.section-title{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:.01em}
.section-intro{margin-top:14px;font-size:16px;color:var(--text-soft);max-width:780px;line-height:1.9}
.dim{color:var(--text-soft)}
.muted{color:var(--text-mute)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:0 26px;border-radius:var(--radius-md);
  font-weight:700;font-size:15px;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--brand);color:#0B1D2E}
.btn-primary:hover{background:#ff8255;color:#081723;transform:translateY(-2px);box-shadow:0 10px 24px var(--ripple)}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);box-shadow:none}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#eef6fb;background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:#ff8a5f;background:rgba(255,107,53,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(255,107,53,.16)}
.btn-slim{min-height:36px;padding:0 18px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
footer a:focus-visible,.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,29,46,.94);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.header-top{background:rgba(7,19,30,.86);border-bottom:1px solid rgba(255,255,255,.045)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;min-height:44px;gap:20px}
.brand{
  display:inline-flex;align-items:baseline;gap:3px;
  font-weight:800;font-size:22px;letter-spacing:.02em;color:#fff;line-height:1.2;
}
.brand .brand-ext{background:var(--brand);color:#071820;font-size:12px;padding:2px 8px;border-radius:20px;font-weight:800;letter-spacing:.02em;transform:translateY(-2px)}
.trust-line{display:flex;gap:18px;color:var(--text-mute);font-size:13px;align-items:center}
.trust-item{display:inline-flex;align-items:center;gap:8px}
.trust-dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(41,230,167,.15)}

.header-nav{background:rgba(15,42,61,.96);border-bottom:1px solid rgba(255,255,255,.05)}
.header-nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:18px}
.nav-primary{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow-x:auto}
.nav-link{
  display:inline-flex;align-items:center;position:relative;padding:8px 22px;
  font-size:16px;font-weight:600;color:var(--text-soft);border-radius:20px;
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.active{color:#0B1D2E;background:var(--brand);font-weight:700;box-shadow:0 6px 18px rgba(255,107,53,.22)}
.nav-link.active:hover{color:#0B1D2E}
.header-cta{display:flex;align-items:center;gap:16px}
.header-tag{font-size:13px;color:var(--text-mute);display:inline-flex;align-items:center;gap:7px}
.header-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:#FF5A5f;box-shadow:0 0 0 4px rgba(255,90,95,.12);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* 汉堡 */
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,.1);background:transparent;color:#fff;
  align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease;
}
.menu-toggle:hover{background:rgba(255,255,255,.06)}
.menu-toggle .bar{display:block;width:18px;height:2px;background:#fff;margin:3px auto;border-radius:3px;transition:opacity .2s ease,transform .2s ease}

/* Drawer */
.nav-drawer{
  position:fixed;inset:0;background:rgba(6,15,23,.96);backdrop-filter:blur(12px);
  z-index:1000;display:block;visibility:hidden;opacity:0;transform:translateY(-10px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease;overflow-y:auto;
}
.nav-drawer.open{visibility:visible;opacity:1;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:22px 26px;border-bottom:1px solid rgba(255,255,255,.07)}
.drawer-close{width:42px;height:42px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.12);background:transparent;color:#fff;font-size:18px;cursor:pointer;text-align:center}
.drawer-inner{padding:40px 26px 60px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 12px;border-radius:var(--radius-md);color:var(--text-soft);
  font-size:20px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.05);
}
.drawer-link.active{color:var(--brand)}
.drawer-link:hover{background:rgba(255,255,255,.04);color:#fff}
.drawer-cta{display:flex;flex-direction:column;gap:14px;margin-top:36px}

/* Hero */
.hero{
  position:relative;min-height:70vh;display:flex;align-items:center;justify-content:center;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:120px 0 100px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(11,29,46,.84) 0%,rgba(8,23,37,.72) 45%,rgba(11,29,46,.93) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:180px;
  background:linear-gradient(180deg,transparent,rgba(11,29,46,.95));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:960px;text-align:center;padding:0 20px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);color:var(--text-soft);
  font-size:13px;padding:7px 16px;border-radius:60px;letter-spacing:.06em;margin-bottom:22px;
}
.hero-eyebrow i{color:var(--brand)}
.hero h1{
  font-size:46px;line-height:1.32;font-weight:800;color:#fff;text-wrap:balance;
  text-shadow:0 6px 24px rgba(0,0,0,.26);
}
.hero h1 .hero-accent{color:var(--brand)}
.hero-lead{
  margin:22px auto 0;max-width:780px;color:#c7d9e5;font-size:19px;line-height:1.85;text-wrap:pretty;
}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:40px;flex-wrap:wrap}
.hero-quick{
  display:flex;justify-content:center;flex-wrap:wrap;gap:22px;
  margin-top:52px;color:var(--text-mute);font-size:13px;
}
.hero-quick span{display:inline-flex;align-items:center;gap:8px}
.hero-quick i{color:var(--ok);font-size:12px}

/* 图文交错 */
.feature-wrap{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 100%)}
.feature-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.feature-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-media::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.04);border-radius:var(--radius-lg);pointer-events:none}
.feature-media img{width:100%;height:100%;min-height:320px;object-fit:cover}
.feature-media .media-tag{
  position:absolute;left:16px;top:16px;background:rgba(8,20,30,.72);
  color:#fff;padding:6px 14px;border-radius:50px;font-size:12px;
  border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;gap:7px;
}
.feature-media .media-tag i{color:var(--brand)}
.feature-list{margin-top:24px;display:flex;flex-direction:column;gap:18px}
.feature-item{display:flex;gap:16px;align-items:flex-start}
.feature-item .feature-ico{
  width:38px;height:38px;flex:none;border-radius:10px;background:rgba(255,107,53,.12);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;
}
.feature-item h3{font-size:18px;font-weight:700;margin-bottom:2px;line-height:1.5}
.feature-item p{font-size:14px;color:var(--text-soft);line-height:1.8}

/* 关注区域 三行媒体卡 */
.focus-band{background:var(--bg-deep);position:relative;overflow:hidden}
.focus-band::before{
  content:"";position:absolute;width:560px;height:560px;top:-240px;right:-140px;
  background:radial-gradient(circle,rgba(255,107,53,.07),transparent 66%);
  pointer-events:none;
}
.focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1;margin-top:44px}
.focus-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.focus-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.42);box-shadow:0 18px 44px rgba(0,0,0,.2)}
.focus-num{font-family:var(--font-num);color:var(--brand);font-size:15px;letter-spacing:.12em;font-weight:700}
.focus-thumb{margin:14px 0;border-radius:8px;aspect-ratio:16/8;overflow:hidden;background:var(--bg-soft)}
.focus-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.focus-card:hover .focus-thumb img{transform:scale(1.06)}
.focus-card h3{font-size:19px;font-weight:700;line-height:1.45;margin-bottom:8px}
.focus-card p{font-size:14px;color:var(--text-soft);line-height:1.8;flex:1}
.focus-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:14px;color:var(--brand);font-weight:600}
.focus-link:hover{color:#ff9b79}
.focus-link i{transition:transform .2s ease;font-size:12px}
.focus-link:hover i{transform:translateX(4px)}

/* 资讯动态 */
.news-section{background:var(--bg-soft)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.news-more{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14px;font-weight:600;padding-bottom:6px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow-md)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--bg-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-badge{
  position:absolute;left:12px;top:12px;background:rgba(7,20,28,.8);
  color:#fff;font-size:12px;padding:4px 10px;border-radius:4px;
  display:inline-flex;align-items:center;gap:5px;backdrop-filter:blur(4px);
  z-index:2;border:1px solid rgba(255,255,255,.1);
}
.post-badge i{color:var(--brand);font-size:10px}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:14px;color:var(--text-mute);font-size:12px;letter-spacing:.02em;margin-bottom:10px}
.post-body h3{font-size:19px;line-height:1.55;font-weight:700;font-family:var(--font-main);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-body p{margin-top:10px;font-size:14px;color:var(--text-soft);line-height:1.85;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.read-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:#fff;font-size:14px;font-weight:600;transition:color .2s ease}
.read-link em{font-style:normal;font-family:var(--font-num);color:var(--brand)}
.read-link:hover{color:var(--brand)}
.read-link i{font-size:12px}

/* 企业服务条 */
.sports-promo{background:var(--bg)}
.promo-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:center}
.promo-cardimg{border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-lg)}
.promo-cardimg img{width:100%;height:100%;min-height:360px;object-fit:cover}
.promo-cardimg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(7,17,26,.3));border-radius:var(--radius-lg)}
.promo-flag{
  position:absolute;left:20px;bottom:18px;color:#fff;z-index:2;font-size:13px;
  display:inline-flex;align-items:center;gap:8px;background:rgba(6,16,23,.65);
  padding:6px 12px;border-radius:60px;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.12)
}
.promo-flag i{color:var(--brand)}
.promo-list{margin:28px 0 30px;display:flex;flex-direction:column;gap:18px}
.promo-list li{display:flex;align-items:flex-start;gap:12px;border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:16px}
.promo-list li:last-child{border-bottom:0}
.promo-list .promo-ico{
  width:22px;height:22px;flex:none;margin-top:3px;border-radius:50%;
  background:rgba(255,107,53,.15);color:var(--brand);font-size:11px;
  display:flex;align-items:center;justify-content:center;
}
.promo-list h4{font-size:17px;font-weight:700;margin-bottom:4px}
.promo-list p{font-size:14px;color:var(--text-soft);line-height:1.8}

/* 每日动线 */
.route-section{background:var(--bg-soft);position:relative}
.route-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.route-note{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;position:relative;overflow:hidden;
}
.route-note::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--brand)}
.route-note h3{font-size:20px;font-weight:700;margin-bottom:12px;margin-top:0}
.route-note p{color:var(--text-soft);font-size:14px;line-height:1.9}
.route-note .btn{margin-top:22px}
.route-timeline{display:flex;flex-direction:column;gap:10px}
.timeline-item{
  display:flex;gap:20px;background:rgba(9,21,31,.46);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px 20px;
  transition:transform .2s ease,border-color .2s ease;
}
.timeline-item:hover{transform:translateX(6px);border-color:var(--line-strong)}
.time-badge{
  width:74px;flex:none;font-family:var(--font-num);text-align:center;
  background:rgba(255,107,53,.16);color:var(--brand);height:36px;line-height:34px;
  border-radius:8px;font-size:14px;font-weight:700;border:1px solid rgba(255,107,53,.2);
}
.timeline-item h4{font-size:17px;font-weight:700;margin-bottom:4px;line-height:1.5}
.timeline-item p{font-size:14px;color:var(--text-soft);line-height:1.75}

/* 常见问题 */
.faq-section{background:var(--bg)}
.faq-inner{max-width:860px;margin:44px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:border-color .2s ease}
.faq-item.is-active{border-color:rgba(255,107,53,.45)}
.faq-question{
  width:100%;background:transparent;border:0;text-align:left;padding:20px 24px;
  font-size:17px;font-weight:700;color:var(--text);cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-question:hover{color:var(--brand)}
.faq-icon{width:28px;height:28px;flex:none;border-radius:50%;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;transition:transform .25s ease,background .25s ease;font-size:13px;color:var(--text-soft)}
.faq-item.is-active .faq-icon{transform:rotate(135deg);background:rgba(255,107,53,.16);color:var(--brand)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease,padding .25s ease}
.faq-answer-inner{padding:0 24px 22px;color:var(--text-soft);font-size:15px;line-height:1.9}

/* CTA */
.cta-section{
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  position:relative;
}
.cta-section::before{content:"";position:absolute;inset:0;background:rgba(6,16,24,.88)}
.cta-inner{position:relative;z-index:2;text-align:center;padding:90px 24px;max-width:840px;margin:0 auto}
.cta-title{font-size:38px;line-height:1.4;font-weight:800;color:#fff}
.cta-desc{margin-top:14px;color:#B9D0DF;font-size:17px;line-height:1.9}
.cta-actions{display:flex;justify-content:center;gap:14px;margin-top:34px;flex-wrap:wrap}
.cta-mail{margin-top:28px;color:var(--text-mute);font-size:14px;display:inline-flex;align-items:center;gap:8px}
.cta-mail a{color:#dcebf5;border-bottom:1px solid rgba(255,255,255,.25);font-weight:600}
.cta-mail a:hover{color:var(--brand);border-color:var(--brand)}

/* Footer */
.site-footer{background:#071522;border-top:1px solid rgba(255,255,255,.05)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:44px;
  padding:72px 0 48px;
}
.footer-brand-name{font-size:25px;font-weight:800;letter-spacing:.02em;margin-bottom:18px}
.footer-brand-name span.fext{background:var(--brand);color:#08131e;font-size:13px;padding:2px 10px;border-radius:20px;margin-left:4px;font-weight:700}
.footer-summary{font-size:14px;color:#8BA6B7;line-height:1.95}
.footer-contact{margin-top:22px;display:flex;flex-direction:column;gap:6px;font-size:14px;color:#A4BCCB}
.footer-contact .mono{color:#C9DCEa}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-link,.footer-col ul li a{color:#88A6B9;font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-link:hover,.footer-col ul li a:hover{color:var(--brand);padding-left:4px}
.footer-subscribe{font-size:13px;color:#7692A6;line-height:1.9;margin-bottom:16px}
.footer-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;background:transparent;color:var(--brand);
  border:1px solid rgba(255,107,53,.5);border-radius:var(--radius-md);
  font-size:14px;font-weight:700;transition:background .2s ease,color .2s ease;
}
.footer-btn:hover{background:var(--brand);color:#081B29}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:24px 0 30px;
  display:flex;justify-content:space-between;gap:20px;color:#5F7D93;font-size:13px;flex-wrap:wrap;
}
.footer-bottom .domain{font-family:var(--font-num)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-show{opacity:1;transform:none}

/* 响应式 */
@media(min-width:1300px){
  .hero{min-height:72vh}
}
@media(max-width:1024px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:62px 0}
  .feature-grid,.promo-grid{gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
  .route-wrap{grid-template-columns:1fr;gap:28px}
  .focus-grid{gap:16px}
  .focus-card{padding:18px}
}
@media(max-width:860px){
  .menu-toggle{display:inline-flex}
  .header-tablet{display:none}
  .nav-primary{display:none}
  .header-nav-inner{justify-content:flex-end}
  .header-nav-inner .brand{display:none}
  .feature-grid,.promo-grid{grid-template-columns:1fr}
  .feature-media img{max-height:420px}
  .news-grid,.focus-grid{grid-template-columns:1fr 1fr}
  .section-title{font-size:30px}
  .hero h1{font-size:38px}
  .hero-lead{font-size:17px}
  .cta-title{font-size:32px}
  .route-timeline{gap:12px}
}
@media(max-width:600px){
  .section{padding:48px 0}
  .header-top-inner{min-height:48px}
  .brand{font-size:20px}
  .trust-line{display:none}
  .hero{min-height:100vh;padding:80px 0 70px}
  .hero h1{font-size:31px;line-height:1.4}
  .hero-lead{font-size:15px;margin-top:16px}
  .hero-actions{gap:12px;margin-top:28px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-quick{flex-direction:column;align-items:center;gap:8px;margin-top:36px}
  .section-title{font-size:25px}
  .section-intro{font-size:14px}
  .feature-media img{min-height:220px;max-height:300px}
  .news-grid,.focus-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:50px 0 24px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .cta-inner{padding:58px 8px}
  .cta-title{font-size:28px}
  .cta-actions .btn{width:100%;justify-content:center}
  .timeline-item{flex-direction:column;gap:10px}
  .time-badge{height:32px;line-height:32px}
  .faq-question{font-size:15px;padding:16px 18px;line-height:1.5}
  .faq-answer-inner{padding:0 18px 18px}
  .promo-cardimg img{min-height:200px;max-height:280px}
  .drawer-inner{padding:28px 18px 60px}
  .drawer-link{font-size:18px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
      --bg:#0B1D2E;
      --bg-deep:#081725;
      --bg-card:#132B3F;
      --bg-card-hover:#1A364E;
      --bg-soft:#0F2A3D;
      --primary:#FF6B35;
      --primary-hover:#ff8255;
      --primary-soft:rgba(255,107,53,.14);
      --accent:#29E6A7;
      --text:#e9f0f5;
      --text-dim:#9fb3c3;
      --text-weak:#7a8fa0;
      --border:rgba(255,255,255,.08);
      --border-light:rgba(255,255,255,.14);
      --r-card:10px;
      --r-btn:6px;
      --shadow:0 18px 40px rgba(0,0,0,.3);
      --shadow-card:0 10px 26px rgba(0,0,0,.18);
      --font-ui:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
      --font-mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
      --space:64px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      background:var(--bg);
      color:var(--text);
      font-family:var(--font-ui);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body.dim{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font-family:inherit;cursor:pointer;border:none;background:none}
    ul,ol{list-style:none}
    .container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative}
    .mono{font-family:var(--font-mono)}
    ::selection{background:rgba(255,107,53,.35);color:#fff}
    img::selection{background:transparent}
    :focus-visible{outline:2px solid var(--primary);outline-offset:2px}

    /* ===== header ===== */
    .site-header{position:sticky;top:0;z-index:100;background:rgba(11,29,46,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
    .header-top{background:rgba(8,23,37,.6);border-bottom:1px solid rgba(255,255,255,.05)}
    .header-top-inner{display:flex;align-items:center;justify-content:space-between;min-height:44px}
    .brand{display:inline-flex;align-items:baseline;font-size:22px;font-weight:800;letter-spacing:.5px;white-space:nowrap;color:#fff}
    .brand .brand-ext{color:var(--primary);font-size:20px;margin-left:2px}
    .trust-line{display:flex;align-items:center;gap:22px;font-size:13px;color:var(--text-dim)}
    .trust-item{display:inline-flex;align-items:center;gap:7px}
    .trust-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 10px rgba(41,230,167,.5)}
    .header-nav{background:rgba(15,42,61,.3)}
    .header-nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:58px}
    .nav-primary{display:flex;align-items:center;gap:6px}
    .nav-link{
      display:inline-block;padding:8px 18px;font-size:16px;font-weight:500;color:var(--text);
      border-radius:var(--r-btn);transition:color .2s ease,background .2s ease;letter-spacing:.3px;line-height:1.4;
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
    .nav-link.active{color:#fff;font-weight:700;background:rgba(255,107,53,.16)}
    .nav-link.active::after{content:"";display:block;height:2px;background:var(--primary);border-radius:2px;margin:2px 0 0}
    .header-cta{display:flex;align-items:center;gap:16px}
    .header-tag{font-size:13px;color:var(--text-dim);line-height:1.4}
    .btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-btn);height:38px;padding:0 20px;font-size:15px;font-weight:600;line-height:1;transition:all .25s ease;justify-content:center;white-space:nowrap}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(255,107,53,.3)}
    .btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,53,.35)}
    .btn-primary:active{transform:translateY(0)}
    .btn-outline{border:1px solid var(--border-light);color:var(--text);background:rgba(255,255,255,.05)}
    .btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);background:rgba(255,107,53,.1)}
    .btn-outline:active{transform:translateY(0)}
    .btn-lg{height:50px;padding:0 32px;font-size:17px;gap:10px}
    .btn-sm{height:34px;padding:0 16px;font-size:14px}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:8px;border:1px solid var(--border);justify-content:center;align-items:center}
    .menu-toggle .bar{display:block;width:18px;height:2px;background:#dfe8ef;border-radius:2px;margin:2px 0;transition:all .2s ease}
    .menu-toggle:hover{border-color:var(--border-light)}
    .site-menu{display:none}
    .site-menu.is-open{display:flex;
      position:fixed;
      inset:0;
      z-index:200;
      background:rgba(8,23,37,.98);
      backdrop-filter:blur(20px);
      -webkit-backdrop-filter:blur(20px);
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:12px;
      animation:menuFade .2s ease;
      padding:50px 20px;
    }
    @keyframes menuFade{from{opacity:0}to{opacity:1}}
    .site-menu.is-open .close-menu{
      position:absolute;top:20px;right:20px;width:42px;height:42px;display:flex;align-items:center;justify-content:center;
      font-size:30px;color:var(--text);border-radius:8px;
    }
    .site-menu.is-open .close-menu:hover{background:rgba(255,255,255,.06)}
    .site-menu.is-open .menu-link{display:block;padding:12px 36px;font-size:20px;font-weight:600;color:var(--text);border-radius:12px;transition:background .2s,color .2s}
    .site-menu.is-open .menu-link:hover{background:rgba(255,107,53,.12);color:#fff}
    .site-menu.is-open .menu-link.active{background:rgba(255,107,53,.18);color:#fff}
    body.menu-open{overflow:hidden}

    /* ===== buttons ===== */
    .btn-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center}

    /* ===== hero ===== */
    .category-hero{position:relative;padding:96px 0 76px;background:var(--bg-deep);overflow:hidden}
    .category-hero .hero-bg{
      position:absolute;inset:-20px 0 0 0;background:url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
      opacity:.25;filter:saturate(.9);z-index:0;
    }
    .category-hero .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,29,46,.88) 0%,rgba(11,29,46,.78) 50%,rgba(11,29,46,.96) 100%)}
    .category-hero .container{position:relative;z-index:2}
    .hero-headline{font-size:44px;line-height:1.28;font-weight:800;letter-spacing:1px;color:#fff;margin-bottom:18px;max-width:680px}
    .hero-headline .hero-focus{color:var(--primary)}
    .hero-desc{font-size:19px;line-height:1.7;color:var(--text-dim);max-width:560px;margin-bottom:34px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;align-items:center}
    .hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#cfdbe5;background:rgba(255,255,255,.07);border-radius:100px;padding:8px 16px;border:1px solid rgba(255,255,255,.09)}
    .hero-tag i{color:var(--accent);font-size:12px}
    .hero-tag.live i{color:var(--primary);animation:pulse 1.6s infinite}
    @keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

    /* ===== breadcrumb ===== */
    .breadcrumb{background:var(--bg);border-bottom:1px solid rgba(255,255,255,.05)}
    .breadcrumb .container{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding-top:14px;padding-bottom:14px}
    .breadcrumb a{color:var(--text-dim);font-size:14px;transition:color .2s}
    .breadcrumb a:hover{color:var(--primary)}
    .breadcrumb .sep{color:var(--text-weak);font-size:12px}
    .breadcrumb .current{color:#dde7ef;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:480px}

    /* ===== common title block ===== */
    .section-title{font-size:32px;line-height:1.4;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.5px}
    .section-title .title-accent{color:var(--primary)}
    .section-sub{font-size:16px;color:var(--text-dim);max-width:650px;line-height:1.7}

    /* ===== intro band ===== */
    .section-intro{padding:var(--space) 0 40px}
    .service-wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
    .service-text{flex:1 1 380px}
    .service-text .lead{font-size:17px;line-height:1.85;color:#c1cfda;margin-bottom:22px}
    .service-text blockquote{border-left:3px solid var(--primary);padding:8px 0 8px 18px;color:var(--text-dim);font-size:16px;line-height:1.7;margin:20px 0}
    .service-note{display:flex;gap:14px;font-size:14px;color:var(--text-dim);padding:14px 18px;background:rgba(41,230,167,.08);border-radius:10px;align-items:flex-start;border:1px solid rgba(41,230,167,.14);margin-top:22px}
    .service-note i{color:var(--accent);margin-top:4px}
    .service-media{flex:1 1 360px}
    .service-media img{border-radius:var(--r-card);box-shadow:var(--shadow);border:1px solid var(--border)}

    /* ===== section ===== */
    .sec{padding:var(--space) 0}
    .sec-alt{background:rgba(15,42,61,.5)}

    /* ===== service config ===== */
    .config-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
    .config-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);padding:28px;display:flex;gap:18px;transition:transform .2s ease,background .2s ease,border-color .2s ease;cursor:default}
    .config-item:hover{transform:translateY(-3px);background:var(--bg-card-hover);border-color:rgba(255,255,255,.16)}
    .config-icon{width:50px;height:50px;flex:0 0 50px;border-radius:12px;background:rgba(255,107,53,.15);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary)}
    .config-item:nth-child(2n) .config-icon{background:rgba(41,230,167,.12);color:var(--accent)}
    .config-item h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:8px}
    .config-item p{font-size:15px;color:var(--text-dim);line-height:1.75}

    /* ===== cover list ===== */
    .cover-list{
      margin-top:38px;display:flex;flex-direction:column;gap:24px;
    }
    .cover-row{
      display:flex;gap:24px;background:var(--bg-card);border:1px solid var(--border);
      border-radius:var(--r-card);overflow:hidden;transition:transform .2s ease,border-color .2s,background .2s;align-items:stretch;
    }
    .cover-row:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.16)}
    .cover-row .cover-thumb{flex:0 0 320px;background-size:cover;background-position:center;min-height:200px;position:relative}
    .cover-thumb .thumb-icon{position:absolute;bottom:14px;left:14px;width:36px;height:36px;border-radius:50%;background:rgba(11,29,46,.7);border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:13px}
    .cover-body{padding:30px 16px 24px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
    .cover-body h3{font-size:20px;line-height:1.45;font-weight:700;color:#fff}
    .cover-body .cover-desc{margin:10px 0 18px;font-size:15px;color:var(--text-dim);line-height:1.7}
    .cover-chip{font-family:var(--font-mono);font-size:12px;letter-spacing:1px;color:var(--accent);background:rgba(41,230,167,.08);padding:4px 12px;border-radius:100px;border:1px solid rgba(41,230,167,.15);margin-bottom:14px;display:inline-block}
    .link-more{color:var(--primary);font-size:15px;font-weight:600;display:inline-flex;gap:6px;align-items:center;border-radius:4px;padding:4px 0;transition:gap .2s,color .2s}
    .link-more i{transition:transform .2s}
    .link-more:hover{color:#fff}
    .link-more:hover i{transform:translateX(4px)}

    /* ===== program path ===== */
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:42px;position:relative}
    .path-grid::before{content:"";position:absolute;top:46px;left:40px;right:40px;height:2px;background:linear-gradient(90deg,transparent,rgba(255,107,53,.24),rgba(41,230,167,.3),transparent);z-index:0}
    .path-item{background:var(--bg-card);padding:28px 20px;border:1px solid var(--border);border-radius:var(--r-card);text-align:center;position:relative;z-index:1;transition:transform .2s ease,border-color .2s}
    .path-item:hover{transform:translateY(-3px);border-color:rgba(255,107,53,.4)}
    .path-num{width:48px;height:48px;margin:0 auto 14px;background:var(--bg-soft);border-radius:50%;border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;color:var(--primary);box-shadow:0 0 0 6px rgba(15,42,61,.85)}
    .path-item:nth-child(2) .path-num{color:var(--accent)}
    .path-item h4{font-size:17px;color:#fff;font-weight:700;margin-bottom:8px}
    .path-item p{font-size:14px;color:var(--text-dim);line-height:1.7;margin-top:4px}

    /* ===== solution band ===== */
    .solution-band{
      background:linear-gradient(135deg,rgba(255,107,53,.12),rgba(41,230,167,.05)),var(--bg-deep);
      position:relative;border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);
    }
    .solution-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
    .solution-feature{background:rgba(255,107,53,.06);border:1px solid rgba(255,107,53,.18);border-radius:var(--r-card);padding:30px;margin-bottom:18px;display:flex;gap:18px;transition:transform .2s ease}
    .solution-feature:hover{transform:translateY(-2px)}
    .solution-feature i{color:var(--accent);font-size:24px;line-height:1;margin-top:5px}
    .solution-feature h3{font-size:18px;color:#fff;font-weight:700;margin-bottom:6px}
    .solution-feature p{font-size:15px;color:var(--text-dim);line-height:1.7}
    .solution-label{font-family:var(--font-mono);font-size:13px;letter-spacing:2px;color:var(--primary);text-transform:uppercase;margin-bottom:14px;display:block}
    .solution-lead{font-size:18px;color:#cfdbe5;line-height:1.85;margin-bottom:22px}
    .solution-group{display:grid;gap:14px;margin-top:26px}

    /* ===== band stat ===== */
    .band-stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);padding:30px 22px;text-align:center;transition:transform .2s ease;height:100%;display:flex;flex-direction:column;justify-content:center}
    .band-stat:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.2)}
    .band-stat .num{font-family:var(--font-mono);font-size:46px;line-height:1.2;font-weight:700;color:#fff;display:flex;align-items:baseline;justify-content:center}
    .band-stat .num .plus{color:var(--primary);font-size:28px;margin-left:2px}
    .band-stat .stat-label{color:#7893a8;font-size:14px;margin-top:6px;display:block}
    .band-stat.eq .num span{color:var(--accent)}
    .stat-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;margin-top:34px}

    /* ===== cards grid sc ===== */
    .sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 24px;margin-top:42px;position:relative}
    .sc-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;position:relative;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
    .sc-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.15);box-shadow:var(--shadow-card)}
    .sc-img{width:100%;aspect-ratio:16/9;position:relative;overflow:hidden}
    .sc-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
    .sc-card:hover .sc-img img{transform:scale(1.04)}
    .sc-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,29,46,.7))}
    .sc-body{padding:24px 20px 14px;display:flex;flex-direction:column;flex:1 1 auto}
    .sc-card-tag{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.6px;background:rgba(255,107,53,.14);color:var(--primary);padding:4px 12px;border-radius:100px;margin-bottom:12px}
    .sc-body h3{font-size:18px;color:#fff;font-weight:700;line-height:1.5;margin-bottom:10px}
    .sc-body p{font-size:14px;color:var(--text-dim);line-height:1.75}
    .ci-list{margin-top:14px;color:var(--text-weak);font-size:13px;display:flex;flex-direction:column;gap:5px;line-height:1.6}
    .ci-list .ci{margin:0;display:flex;gap:6px}
    .ci-list i{color:var(--accent);font-size:11px;line-height:1.8}
    .sc-card-btn{margin-top:18px;padding-top:10px;border-top:1px solid rgba(255,255,255,.07)}

    /* ===== faq ===== */
    .faq-wrap{max-width:760px;margin:30px auto 0}
    .faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:background .2s ease}
    .faq-item:has(.faq-toggle[aria-expanded="true"]){background:var(--bg-card-hover);border-color:rgba(255,255,255,.14)}
    .faq-item summary{list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-title{display:flex;justify-content:space-between;align-items:center;width:100%;padding:20px 24px;cursor:pointer;user-select:none;font-size:16px;font-weight:600;color:#fff;transition:color .2s}
    .faq-title:hover{color:var(--primary)}
    .faq-title .iq{font-size:14px;flex:0 0 26px;height:26px;width:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:var(--text);transition:background .3s,color .3s}
    .faq-item[open] .iq{background:var(--primary);color:#fff;transform:rotate(180deg)}
    .faq-answer{padding:0 24px 22px;color:var(--text-dim);font-size:15px;line-height:1.8}
    .faq-icon{font-size:22px;line-height:1;margin-right:18px;color:var(--accent)}

    /* ===== quote ===== */
    .quote-wrap{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:38px}
    .quote-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);padding:32px;display:flex;flex-direction:column;gap:16px;transition:transform .2s ease}
    .quote-card:hover{transform:translateY(-2px)}
    .quote-card .who{display:flex;align-items:center;gap:14px;font-size:15px;color:#d7e2eb;font-weight:600}
    .quote-card .who i{width:36px;height:36px;background:rgba(41,230,167,.1);color:var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center}
    .quote-card blockquote{color:var(--text-dim);font-size:15px;font-style:normal;line-height:1.8;border-left:3px solid rgba(255,107,53,.7);padding-left:18px;margin:0}

    /* ===== cta ===== */
    .cta-zone{position:relative;padding:80px 0;border-top:1px solid rgba(255,255,255,.05)}
    .cta-box{padding:58px 48px;border-radius:var(--r-card);background:var(--bg-card);border:1px solid rgba(255,255,255,.08);text-align:center;position:relative}
    .cta-box::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center / cover no-repeat;opacity:.14;border-radius:var(--r-card)}
    .cta-box .container{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;z-index:1}
    .cta-title{font-size:34px;color:#fff;font-weight:800;line-height:1.35;margin-bottom:14px}
    .cta-title .cta-focus{color:var(--primary)}
    .cta-text{color:var(--text-dim);font-size:16px;max-width:600px;margin-bottom:26px}
    .cta-note{margin-top:18px;font-size:14px;color:var(--text-weak)}
    .cta-note a{color:#b9c9d6;border-bottom:1px solid rgba(255,255,255,.2);padding:0 4px 2px;transition:color .2s,border-color .2s}
    .cta-note a:hover{color:var(--primary);border-color:var(--primary)}

    /* ===== footer ===== */
    .site-footer{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.06)}
    .site-footer .container{padding-top:scale(70px);padding-bottom:10px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr .8fr;gap:36px 36px;padding:56px 0 40px}
    .footer-brand-name,.brand{font-weight:800;font-size:20px;color:#fff;display:flex;align-items:baseline}
    .fext{color:var(--primary);margin-left:2px}
    .footer-brand-name{font-size:20px}
    .footer-summary{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-dim)}
    .footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13px;color:var(--text-weak)}
    .footer-contact .mono{color:#8fa5b5}
    .footer-col h4{color:#fff;font-size:16px;font-weight:700;letter-spacing:.5px;margin-bottom:18px}
    .footer-col ul{display:flex;flex-direction:column;gap:11px}
    .footer-link{color:var(--text-dim);font-size:14px;transition:color .2s ease,padding-left .2s ease}
    .footer-link:hover{color:var(--primary)}
    .footer-subscribe{color:var(--text-dim);font-size:14px;line-height:1.8;margin-bottom:14px}
    .footer-btn{display:inline-flex;align-items:center;gap:8px;background:rgba(255,107,53,.16);color:var(--primary);border:1px solid rgba(255,107,53,.28);padding:8px 18px;border-radius:var(--r-btn);font-size:14px;font-weight:600;transition:background .2s ease,color .2s,transform .2s}
    .footer-btn i{font-size:13px}
    .footer-btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
    .footer-bottom{padding:20px 0;border-top:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;gap:6px;color:var(--text-weak);font-size:13px}
    .domain{font-family:var(--font-mono)}
    .footer-note{font-size:12px;color:var(--text-weak);opacity:.7}

    /* ===== scroll fade ===== */
    .reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
    .reveal.visible{opacity:1;transform:none}
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *{animation:none!important}
      .reveal{opacity:1;transform:none;transition:none}
      a,button{transition:none}
    }

    /* ===== responsiveness ===== */
    @media (max-width: 1023px){
      :root{--space:56px}
      .header-tag{display:none}
      .nav-link{padding:8px 12px;font-size:15px}
      .service-wrap{flex-direction:column;align-items:flex-start}
      .service-media{width:100%}
      .path-grid{grid-template-columns:1fr 1fr;gap:16px}
      .path-grid::before{display:none}
      .solution-wrap{grid-template-columns:1fr;gap:32px}
      .sc-grid{grid-template-columns:1fr 1fr}
      .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cover-row{flex-direction:column}
      .cover-row .cover-thumb{flex:0 0 auto;min-height:220px}
      .cover-body{padding:22px 24px}
      .quote-wrap{grid-template-columns:1fr;gap:20px}
      .config-list{grid-template-columns:1fr;gap:14px}
      .cta-box{padding:46px 28px}
    }
    @media (min-width:1024px){
      .stat-grid{grid-template-columns:repeat(4,1fr)}
    }
    @media (max-width: 767px){
      :root{--space:44px}
      .container{padding:0 16px}
      .header-top-inner{min-height:42px}
      .brand{font-size:19px}
      .brand .brand-ext{font-size:18px}
      .trust-item:first-of-type{display:none}
      .trust-line{gap:10px}
      .trust-item{font-size:12px;display:inline-flex}
      .header-nav-inner{gap:8px}
      .nav-primary{display:none}
      .menu-toggle{display:flex}
      .header-cta{margin-left:auto;display:none}
      /* mobile shows actions inside drawer */
      .site-menu.is-open{padding:50px 16px}
      .category-hero{padding:56px 0 46px;background:var(--bg-deep)}
      .category-hero .hero-bg{opacity:.15}
      .hero-headline{font-size:30px}
      .hero-desc{font-size:16px}
      .hero-meta{gap:10px}
      .hero-tag{font-size:13px;padding:6px 12px}
      .btn-lg{height:46px;padding:0 24px;font-size:16px}
      .section-title{font-size:26px}
      .section-sub{font-size:15px}
      .service-text .lead{font-size:16px}
      .config-item{padding:20px;flex-direction:column;gap:10px}
      .path-grid{grid-template-columns:1fr;gap:16px}
      .sc-grid{grid-template-columns:1fr;gap:18px 0}
      .stat-grid{grid-template-columns:1fr;gap:14px}
      .sc-card{box-shadow:none}
      .cover-body{padding:20px 20px 20px}
      .solution-feature{padding:22px;flex-direction:column;gap:10px}
      .cta-title{font-size:26px}
      .cta-text{font-size:15px}
      .cta-box{padding:38px 20px}
      .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:44px}
      .footer-col ul{gap:10px}
      .btn-row{gap:12px}
      .faq-title{padding:16px 18px;font-size:15px}
      .faq-answer{padding:0 18px 18px;font-size:14px}
      .cover-row .cover-thumb{min-height:180px}
      .quote-card{padding:22px}
    }
    @media (max-width: 380px){
      .trust-item:last-of-type{display:none}
      .brand{font-size:17px}
      .hero-headline{font-size:27px}
    }
    /* mobile menu links need a bit more specificity when inner */
    .inner-link-area{display:none}
    @media (max-width:767px){
      .inner-link-area{display:flex}
    }