/* roulang page: index */
:root{
  --ink:#0b1c2c;
  --ink-2:#3a5164;
  --ink-3:#7189a0;
  --brand:#0f6f8f;
  --brand-deep:#0a4d64;
  --brand-soft:#e7f3f8;
  --accent:#f0a04b;
  --accent-deep:#c97e22;
  --accent-soft:#fdf2e3;
  --bg:#f5f9fc;
  --bg-alt:#eef5fa;
  --surface:#ffffff;
  --line:#e2ecf3;
  --line-strong:#cbdfeb;
  --radius-lg:18px;
  --radius:12px;
  --radius-sm:9px;
  --shadow-sm:0 2px 8px rgba(11,28,44,.05);
  --shadow-md:0 14px 34px rgba(11,28,44,.10);
  --shadow-lg:0 22px 52px rgba(11,28,44,.14);
  --container:1180px;
  --ease:cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.32;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,111,143,.38);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(11,28,44,.09);}
.header-top{
  max-height:92px;
  overflow:hidden;
  opacity:1;
  transition:max-height .34s var(--ease),opacity .26s var(--ease);
}
.site-header.is-scrolled .header-top{max-height:0;opacity:0;}
.header-top-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:15px 0;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,111,143,.28);
}
.logo-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:17px;letter-spacing:.01em;}
.logo-text small{font-size:11.5px;color:var(--ink-3);font-weight:500;letter-spacing:.14em;}
.header-top-right{display:flex;align-items:center;gap:16px;}
.header-note{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.header-nav{border-top:1px solid var(--line);transition:border-color .3s var(--ease);}
.site-header.is-scrolled .header-nav{border-top-color:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:6px 0;}
.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 16px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.main-nav a.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-meta{font-size:13px;color:var(--ink-3);letter-spacing:.03em;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .2s var(--ease),top .2s var(--ease),bottom .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{bottom:-6px;}

/* ---------- buttons & tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,111,143,.26);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,111,143,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.10);color:#eaf5fa;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#3a2405;box-shadow:0 8px 20px rgba(240,160,75,.32);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;line-height:1.6;
}
.tag--accent{background:var(--accent-soft);color:var(--accent-deep);}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;}
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  margin-bottom:14px;
}
.kicker::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent);}

/* ---------- section ---------- */
.section{padding:76px 0;}
.section--white{background:var(--surface);}
.section--alt{background:var(--bg-alt);}
.section--ink{background:#0a2333;color:#b9d3e0;}
.section--ink h2,.section--ink h3,.section--ink h4{color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.section-head p{color:var(--ink-3);font-size:15.5px;margin:0;}
.section--ink .section-head p{color:#9dbccd;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .kicker{justify-content:center;}

/* ---------- hero bento ---------- */
.hero{padding:38px 0 12px;background:linear-gradient(180deg,#eaf4fa 0%,var(--bg) 62%);}
.bento{
  display:grid;
  grid-template-columns:1.62fr 1fr;
  grid-template-areas:"main side" "strip strip";
  gap:18px;
}
.bento-main{
  grid-area:main;
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:46px 42px;
  color:#dceef6;
  background:
    linear-gradient(118deg,rgba(6,30,45,.94) 0%,rgba(8,58,79,.78) 58%,rgba(10,73,99,.62) 100%),
    url("/assets/images/捕鱼大咖大秘境高倍boss好大一只卡皮巴拉.webp") center/cover no-repeat;
  box-shadow:var(--shadow-lg);
}
.bento-main::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,160,75,.30) 0%,rgba(240,160,75,0) 70%);
  pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 15px;border-radius:999px;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;letter-spacing:.06em;color:#e8f6fc;
  margin-bottom:20px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.bento-main h1{
  font-size:clamp(26px,3.3vw,42px);
  line-height:1.26;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.01em;
  position:relative;z-index:1;
}
.hero-lead{
  font-size:15.5px;line-height:1.85;color:#c3dcea;
  max-width:640px;margin-bottom:26px;position:relative;z-index:1;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:24px;position:relative;z-index:1;}
.bento-main .tag{background:rgba(255,255,255,.14);color:#e5f4fb;border:1px solid rgba(255,255,255,.2);}
.bento-side{grid-area:side;display:grid;grid-template-rows:1fr 1fr;gap:18px;}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px 24px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.mini-card .mini-icon{
  width:38px;height:38px;border-radius:11px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.mini-card .mini-icon svg{width:20px;height:20px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mini-card h3{font-size:16.5px;margin-bottom:8px;}
.mini-card p{font-size:14px;color:var(--ink-3);line-height:1.72;margin:0;}
.bento-strip{
  grid-area:strip;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px 26px;
  box-shadow:var(--shadow-sm);
}
.strip-item{display:flex;flex-direction:column;gap:4px;}
.strip-item strong{font-size:24px;color:var(--brand-deep);line-height:1.2;letter-spacing:.01em;}
.strip-item span{font-size:13px;color:var(--ink-3);}

/* ---------- generic cards ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card h3{font-size:17px;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--ink-3);line-height:1.75;margin:0;}
.card-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.card--accent .card-icon{background:var(--accent-soft);}
.card--accent .card-icon svg{stroke:var(--accent-deep);}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}

/* ---------- pain / solution ---------- */
.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.pain-item{
  display:flex;gap:15px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.pain-item .pain-num{
  flex:0 0 auto;font-size:15px;font-weight:700;color:var(--accent-deep);
  width:30px;line-height:1.5;
}
.pain-item h3{font-size:15.5px;margin-bottom:6px;}
.pain-item p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.7;}

/* ---------- ability ---------- */
.ability-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.ability-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.ability-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.ability-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.ability-card:hover img{transform:scale(1.05);}
.ability-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1;}
.ability-body h3{font-size:16.5px;}
.ability-body p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.72;flex:1;}
.ability-body .tag{align-self:flex-start;margin-top:4px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-15px;left:26px;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:30px;padding:0 10px;border-radius:8px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;
  box-shadow:0 8px 18px rgba(15,111,143,.28);
}
.step h3{font-size:16.5px;margin:10px 0 9px;}
.step p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.75;}

/* ---------- roadmap ---------- */
.roadmap{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.road-col{
  border-radius:var(--radius-lg);
  padding:28px 26px;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-sm);
}
.road-col--active{border-top:3px solid var(--brand);}
.road-col--plan{border-top:3px solid var(--accent);}
.road-col h3{font-size:18px;margin-bottom:6px;}
.road-col > p{font-size:14px;color:var(--ink-3);margin-bottom:18px;}
.road-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;
  border-top:1px solid var(--line);
  font-size:14.5px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.road-list li:first-child{border-top:none;padding-top:0;}
.road-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;
  background:var(--brand);margin-top:9px;
}
.road-col--plan .road-list li::before{background:var(--accent);}
.road-list li span{flex:1;}

/* ---------- metrics ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:linear-gradient(135deg,#0a2333 0%,#103c52 100%);
  border-radius:var(--radius-lg);
  padding:36px 32px;
  box-shadow:var(--shadow-lg);
}
.metric{text-align:center;color:#a9c8d8;}
.metric strong{display:block;font-size:32px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:6px;letter-spacing:.01em;}
.metric strong em{font-style:normal;font-size:17px;color:var(--accent);margin-left:3px;}

/* ---------- testimonials ---------- */
.quote-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.quote-card p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.78;}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:auto;}
.quote-avatar{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 38px;
}
.quote-who strong{display:block;font-size:14px;color:var(--ink);line-height:1.4;}
.quote-who span{font-size:12.5px;color:var(--ink-3);}

/* ---------- audience ---------- */
.audience-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.audience-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.audience-card .card-icon{margin-bottom:0;flex:0 0 42px;width:42px;height:42px;}
.audience-card h3{font-size:15.5px;margin-bottom:6px;}
.audience-card p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.7;}

/* ---------- changelog ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--line-strong) 100%);
  border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 26px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-25px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--surface);border:3px solid var(--brand);box-sizing:border-box;
}
.timeline-item time{display:block;font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--brand);margin-bottom:6px;}
.timeline-item h3{font-size:15.5px;margin-bottom:6px;}
.timeline-item p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.72;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.news-card{
  display:flex;flex-direction:column;gap:9px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px;
  box-shadow:var(--shadow-sm);
  color:var(--ink-2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);color:var(--ink-2);}
.news-meta{font-size:12.5px;color:var(--ink-3);letter-spacing:.03em;}
.news-card h3{font-size:16px;line-height:1.5;color:var(--ink);transition:color .2s var(--ease);}
.news-card:hover h3{color:var(--brand-deep);}
.news-card p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.72;}
.empty-note{
  grid-column:1/-1;
  padding:34px 24px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--ink-3);font-size:14.5px;background:var(--surface);
}

/* ---------- subscribe ---------- */
.subscribe{
  background:linear-gradient(135deg,#0d3f55 0%,#0a2333 100%);
  border-radius:var(--radius-lg);
  padding:48px 44px;
  color:#c3dcea;
  box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
}
.subscribe h2{color:#fff;font-size:clamp(22px,2.4vw,29px);margin-bottom:14px;}
.subscribe p{font-size:14.5px;color:#a9c8d8;margin:0;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input[type="email"]{
  flex:1 1 220px;min-height:48px;
  padding:12px 18px;border-radius:10px;
  border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.10);
  color:#fff;font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input[type="email"]::placeholder{color:rgba(255,255,255,.55);}
.subscribe-form input[type="email"]:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.16);
  box-shadow:0 0 0 3px rgba(240,160,75,.24);
}
.subscribe-form .btn{min-height:48px;}
.subscribe-note{font-size:12.5px;color:#8fb2c5;margin-top:12px;}

/* ---------- backtop ---------- */
.backtop{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--ink-3);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{color:var(--brand);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:#081b28;color:#93b0c2;padding:60px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:1.8;color:#8ba9bb;margin:0;}
.footer-col h4{color:#fff;font-size:14.5px;letter-spacing:.06em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#9dbccd;font-size:14px;transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:#fff;padding-left:5px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;font-size:13px;color:#6f8fa3;
}
.footer-bottom a{color:#8ba9bb;}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .bento{grid-template-columns:1fr;grid-template-areas:"main" "side" "strip";}
  .bento-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .bento-strip{grid-template-columns:repeat(4,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:repeat(2,1fr);gap:26px;}
  .subscribe{grid-template-columns:1fr;gap:26px;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps{grid-template-columns:1fr;}
  .step::before{position:static;display:inline-flex;margin-bottom:8px;}
  .step h3{margin-top:0;}
}
@media (max-width:860px){
  .header-note{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-nav{display:none;}
  .header-nav.open{display:block;border-top:1px solid var(--line);}
  .nav-inner{flex-direction:column;align-items:stretch;gap:6px;padding:10px 0 18px;}
  .main-nav{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav a{width:100%;min-height:44px;padding:12px 14px;justify-content:flex-start;}
  .main-nav a.is-active::after{left:14px;right:auto;width:22px;bottom:8px;}
  .nav-meta{display:none;}
  .site-header.is-scrolled .header-top{max-height:92px;opacity:1;}
  .hero{padding-top:24px;}
  .bento-main{padding:34px 26px;}
  .bento-side{grid-template-columns:1fr;}
  .pain-list{grid-template-columns:1fr;}
  .roadmap{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .section{padding:58px 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-top-inner{padding:12px 0;}
  .logo-text strong{font-size:15.5px;}
  .logo-text small{font-size:10.5px;letter-spacing:.1em;}
  .bento-main{padding:28px 20px;}
  .hero-lead{font-size:14.5px;}
  .bento-main h1{font-size:25px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .bento-strip{grid-template-columns:1fr 1fr;padding:20px;gap:18px;}
  .strip-item strong{font-size:21px;}
  .grid-4,.grid-3{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:1fr 1fr;padding:26px 20px;}
  .metric strong{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .subscribe{padding:32px 22px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form input[type="email"],.subscribe-form .btn{width:100%;}
  .section{padding:48px 0;}
  .card,.news-card,.quote-card,.road-col{padding:22px 18px;}
}

/* roulang page: article */
:root{
 --ink:#0b1c2c;
 --ink-2:#3a5164;
 --ink-3:#7189a0;
 --brand:#0f6f8f;
 --brand-deep:#0a4d64;
 --brand-soft:#e7f3f8;
 --accent:#f0a04b;
 --accent-deep:#c97e22;
 --accent-soft:#fdf2e3;
 --bg:#f5f9fc;
 --bg-alt:#eef5fa;
 --surface:#ffffff;
 --line:#e2ecf3;
 --line-strong:#cbdfeb;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:9px;
 --shadow-sm:0 2px 8px rgba(11,28,44,.05);
 --shadow-md:0 14px 34px rgba(11,28,44,.10);
 --shadow-lg:0 22px 52px rgba(11,28,44,.14);
 --container:1180px;
 --ease:cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.32;letter-spacing:-.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
ul,ol{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:200;
 background:rgba(255,255,255,.96);
 backdrop-filter:saturate(150%) blur(12px);
 -webkit-backdrop-filter:saturate(150%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(11,28,44,.09);}
.header-top{
 max-height:96px;
 overflow:hidden;
 opacity:1;
 transition:max-height .34s var(--ease),opacity .26s var(--ease);
}
.site-header.is-scrolled .header-top{max-height:0;opacity:0;}
.header-top-inner{
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:15px 0;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;}
.logo:hover{color:var(--ink);}
.logo-mark{
 width:40px;height:40px;flex:0 0 40px;border-radius:12px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 8px 18px rgba(15,111,143,.28);
}
.logo-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:17px;letter-spacing:.01em;}
.logo-text small{font-size:11.5px;color:var(--ink-3);font-weight:500;letter-spacing:.14em;}
.header-top-right{display:flex;align-items:center;gap:16px;}
.header-note{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.header-nav{border-top:1px solid var(--line);transition:border-color .3s var(--ease);}
.site-header.is-scrolled .header-nav{border-top-color:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:6px 0;}
.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
 position:relative;
 display:inline-flex;align-items:center;
 padding:10px 16px;border-radius:9px;
 font-size:15px;font-weight:600;color:var(--ink-2);
 transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.main-nav a.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.is-active::after{
 content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-meta{font-size:13px;color:var(--ink-3);letter-spacing:.03em;}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:44px;height:44px;border-radius:10px;
 border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;
 transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
 transition:transform .2s var(--ease),top .2s var(--ease),bottom .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{bottom:-6px;}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;
 font-size:15px;font-weight:600;line-height:1;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(15,111,143,.35);outline-offset:2px;}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,111,143,.26);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,111,143,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#3a2405;box-shadow:0 8px 20px rgba(240,160,75,.32);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
/* ---------- tags ---------- */
.tag{
 display:inline-flex;align-items:center;
 padding:5px 13px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-deep);
 font-size:13px;font-weight:600;line-height:1.6;
}
.tag--accent{background:var(--accent-soft);color:var(--accent-deep);}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;}
/* ---------- section ---------- */
.section{padding:72px 0;}
.section--white{background:var(--surface);}
.section--alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(23px,2.5vw,31px);margin-bottom:12px;}
.section-head p{color:var(--ink-3);font-size:15.5px;}
.kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
 color:var(--brand);margin-bottom:12px;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);display:block;}
/* ---------- breadcrumb & article hero ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);padding:20px 0 0;}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{opacity:.55;}
.article-hero{background:linear-gradient(180deg,#0a2333 0%,#0e3a4f 100%);color:#c6dde8;padding:0 0 66px;}
.article-hero .crumbs{color:#8fb6c7;padding-top:22px;}
.article-hero .crumbs a{color:#a9c9d8;}
.article-hero .crumbs a:hover{color:#fff;}
.article-hero-inner{
 display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
 gap:46px;align-items:center;padding-top:30px;
}
.article-hero h1{
 font-size:clamp(26px,3.1vw,40px);
 color:#fff;line-height:1.28;margin-bottom:18px;
}
.article-lead{font-size:16px;color:#a9c9d8;line-height:1.8;margin-bottom:22px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:#89aec0;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#4c7b91;}
.hero-figure{
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.14);
 box-shadow:0 26px 60px rgba(0,0,0,.36);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-figure figcaption{font-size:12.5px;color:#8fb6c7;padding:10px 14px;background:rgba(255,255,255,.05);}
/* ---------- article body ---------- */
.article-wrap{padding:64px 0 76px;background:var(--surface);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-body{font-size:16.5px;line-height:1.85;color:var(--ink-2);}
.article-body h2{
 font-size:24px;margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:19px;margin:30px 0 12px;color:var(--ink);}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body p{margin:0 0 17px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;}
.article-body li{margin-bottom:9px;}
.article-body img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow-sm);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;border-left:4px solid var(--accent);
 background:var(--accent-soft);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:700;}
.article-body strong{color:var(--ink);}
.article-empty{
 background:var(--bg-alt);border:1px dashed var(--line-strong);
 border-radius:var(--radius-lg);padding:48px 28px;text-align:center;
}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--ink-3);margin-bottom:22px;}
/* ---------- side panel ---------- */
.side-panel{
 position:sticky;top:96px;
 display:flex;flex-direction:column;gap:18px;
}
.panel-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:22px;box-shadow:var(--shadow-sm);
}
.panel-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.panel-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);display:block;}
.panel-list{list-style:none;padding:0;margin:0;font-size:14.5px;}
.panel-list li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);}
.panel-list li:last-child{border-bottom:0;padding-bottom:0;}
.panel-list .k{color:var(--ink-3);}
.panel-list .v{color:var(--ink);font-weight:700;}
.panel-card--ink{background:#0a2333;border-color:transparent;color:#b9d3e0;}
.panel-card--ink h3{color:#fff;}
.panel-card--ink p{color:#a9c9d8;font-size:14.5px;margin-bottom:16px;}
/* ---------- param grid ---------- */
.param-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;}
.param-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.param-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.param-card .num{
 font-size:28px;font-weight:800;color:var(--brand-deep);line-height:1.2;display:block;margin-bottom:6px;
}
.param-card .num small{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:4px;}
.param-card h3{font-size:16px;margin-bottom:8px;}
.param-card p{font-size:14.5px;color:var(--ink-3);margin:0;}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;margin-top:8px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line-strong);border-radius:2px;}
.timeline-item{position:relative;padding:0 0 26px 0;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:-24px;top:7px;width:12px;height:12px;border-radius:50%;
 background:var(--surface);border:3px solid var(--brand);
}
.timeline-item h3{font-size:16.5px;margin-bottom:6px;}
.timeline-item p{font-size:14.5px;color:var(--ink-3);margin:0;}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md);}
.faq-item h3{font-size:16px;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start;}
.faq-item h3 .q{
 flex:0 0 24px;height:24px;border-radius:7px;background:var(--brand-soft);color:var(--brand-deep);
 font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.faq-item p{font-size:14.8px;color:var(--ink-3);margin:0;padding-left:34px;}
/* ---------- channel ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;}
.channel-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand);}
.channel-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.channel-card:hover .thumb img{transform:scale(1.05);}
.channel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.channel-card h3{font-size:17px;}
.channel-card p{font-size:14.3px;color:var(--ink-3);margin:0;}
.channel-card .more{font-size:14px;font-weight:700;color:var(--brand);margin-top:auto;}
.channel-card:hover .more{color:var(--brand-deep);}
/* ---------- post list ---------- */
.post-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;list-style:none;padding:0;margin:0;}
.post-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.post-item a{display:block;color:var(--ink);font-weight:700;font-size:16px;line-height:1.5;margin-bottom:8px;}
.post-item a:hover{color:var(--brand-deep);}
.post-item .meta{font-size:13px;color:var(--ink-3);}
/* ---------- cta band ---------- */
.cta-band{
 background:linear-gradient(135deg,var(--brand-deep) 0%,#123c52 100%);
 border-radius:var(--radius-lg);
 padding:44px 40px;
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
 box-shadow:var(--shadow-md);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:#a9c9d8;font-size:15px;margin:0;max-width:620px;}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{background:#081c29;color:#8fa9b8;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:16.5px;}
.site-footer p{font-size:14.3px;line-height:1.8;color:#88a3b2;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-links a{color:#8fa9b8;font-size:14.3px;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.10);
 padding:20px 0 26px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13.5px;color:#7391a1;
}
.backtop{color:#a9c9d8;font-size:13.5px;font-weight:600;}
.backtop:hover{color:#fff;}
/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
 .article-layout{grid-template-columns:1fr;gap:34px;}
 .side-panel{position:static;flex-direction:row;flex-wrap:wrap;}
 .side-panel .panel-card{flex:1 1 280px;}
 .article-hero-inner{grid-template-columns:1fr;gap:30px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media screen and (max-width:860px){
 .nav-toggle{display:inline-flex;}
 .header-note{display:none;}
 .header-top{max-height:none;opacity:1;}
 .site-header.is-scrolled .header-top{max-height:none;opacity:1;}
 .header-nav{
  max-height:0;overflow:hidden;border-top-color:transparent;
  transition:max-height .3s var(--ease);
 }
 .site-header.nav-open .header-nav{max-height:420px;border-top-color:var(--line);}
 .nav-inner{padding:0;display:block;}
 .main-nav{flex-direction:column;align-items:stretch;gap:2px;padding:10px 0 14px;}
 .main-nav a{padding:13px 14px;font-size:15.5px;}
 .main-nav a.is-active::after{display:none;}
 .nav-meta{display:none;}
 .section{padding:56px 0;}
 .article-wrap{padding:48px 0 60px;}
 .article-hero{padding-bottom:48px;}
 .cta-band{padding:32px 24px;}
}
@media screen and (max-width:520px){
 .container{padding:0 16px;}
 .header-top-inner{padding:12px 0;}
 .logo-text strong{font-size:15.5px;}
 .logo-text small{font-size:10.5px;letter-spacing:.1em;}
 .btn{padding:11px 18px;font-size:14.5px;}
 .article-body{font-size:16px;}
 .article-body h2{font-size:21px;}
 .article-body h3{font-size:18px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .param-grid{grid-template-columns:1fr;}
 .faq-item p{padding-left:0;}
 .article-meta{gap:10px;font-size:12.8px;}
 .cta-band .actions{width:100%;}
 .cta-band .actions .btn{flex:1;}
}

/* roulang page: category1 */
:root{
 --ink:#0b1c2c;
 --ink-2:#3a5164;
 --ink-3:#7189a0;
 --brand:#0f6f8f;
 --brand-deep:#0a4d64;
 --brand-soft:#e7f3f8;
 --accent:#f0a04b;
 --accent-deep:#c97e22;
 --accent-soft:#fdf2e3;
 --bg:#f5f9fc;
 --bg-alt:#eef5fa;
 --surface:#ffffff;
 --line:#e2ecf3;
 --line-strong:#cbdfeb;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:9px;
 --shadow-sm:0 2px 8px rgba(11,28,44,.05);
 --shadow-md:0 14px 34px rgba(11,28,44,.10);
 --shadow-lg:0 22px 52px rgba(11,28,44,.14);
 --container:1180px;
 --ease:cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 14px;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible{outline:3px solid rgba(240,160,75,.65);outline-offset:3px;border-radius:6px;}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:200;
 background:rgba(255,255,255,.96);
 backdrop-filter:saturate(150%) blur(12px);
 -webkit-backdrop-filter:saturate(150%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(11,28,44,.09);}
.header-top{
 max-height:92px;overflow:hidden;opacity:1;
 transition:max-height .34s var(--ease),opacity .26s var(--ease);
}
.site-header.is-scrolled .header-top{max-height:0;opacity:0;}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;}
.logo:hover{color:var(--ink);}
.logo-mark{
 width:40px;height:40px;flex:0 0 40px;border-radius:12px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 8px 18px rgba(15,111,143,.28);
}
.logo-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:17px;letter-spacing:.01em;}
.logo-text small{font-size:11.5px;color:var(--ink-3);font-weight:500;letter-spacing:.14em;}
.header-top-right{display:flex;align-items:center;gap:16px;}
.header-note{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.header-nav{border-top:1px solid var(--line);transition:border-color .3s var(--ease);}
.site-header.is-scrolled .header-nav{border-top-color:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:6px 0;}
.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
 position:relative;display:inline-flex;align-items:center;
 padding:10px 16px;border-radius:9px;
 font-size:15px;font-weight:600;color:var(--ink-2);
 transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.main-nav a.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.is-active::after{
 content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-meta{font-size:13px;color:var(--ink-3);letter-spacing:.03em;}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:44px;height:44px;border-radius:10px;
 border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;
 transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
 transition:transform .2s var(--ease),top .2s var(--ease),bottom .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{bottom:-6px;}

/* ---------- buttons & tags ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;
 font-size:15px;font-weight:600;line-height:1;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,111,143,.26);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,111,143,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.10);color:#eaf5fa;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#3a2405;box-shadow:0 8px 20px rgba(240,160,75,.32);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.tag{
 display:inline-flex;align-items:center;
 padding:5px 13px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-deep);
 font-size:13px;font-weight:600;line-height:1.6;
}
.tag--accent{background:var(--accent-soft);color:var(--accent-deep);}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;}

/* ---------- hero ---------- */
.page-hero{
 padding:56px 0 68px;
 background:
  radial-gradient(900px 380px at 88% -12%, rgba(15,111,143,.15), transparent 62%),
  linear-gradient(180deg,#f6fafc 0%,#e9f2f8 100%);
 border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.crumb-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 background:var(--surface);border:1px solid var(--line-strong);
 font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:.06em;
 box-shadow:var(--shadow-sm);
}
.crumb-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.page-hero h1{
 font-size:clamp(28px,3.6vw,42px);
 line-height:1.3;
 margin:18px 0 16px;
 color:var(--ink);
}
.hero-sub{font-size:16px;line-height:1.8;color:var(--ink-2);max-width:600px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 24px;}
.badge-item{
 background:var(--surface);border:1px solid var(--line);border-radius:12px;
 padding:12px 18px;min-width:124px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.badge-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.badge-item strong{display:block;font-size:22px;color:var(--brand-deep);line-height:1.25;font-weight:800;}
.badge-item span{font-size:12.5px;color:var(--ink-3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-visual{position:relative;}
.hero-visual img{
 width:100%;height:390px;object-fit:cover;
 border-radius:var(--radius-lg);
 border:1px solid var(--line);
 box-shadow:var(--shadow-lg);
}
.hero-float{
 position:absolute;left:-20px;bottom:-20px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:14px;padding:14px 20px;
 box-shadow:var(--shadow-md);max-width:308px;
}
.hf-label{display:block;font-size:11.5px;letter-spacing:.16em;color:var(--accent-deep);font-weight:800;margin-bottom:5px;}
.hero-float strong{font-size:14.5px;color:var(--ink);line-height:1.55;font-weight:700;display:block;}

/* ---------- section base ---------- */
.section{padding:74px 0;}
.section--white{background:var(--surface);}
.section--alt{background:var(--bg-alt);}
.section--ink{background:#0a2333;color:#b9d3e0;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:800px;margin-bottom:38px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:800;letter-spacing:.14em;
 color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--accent);}
.section-head h2{font-size:clamp(23px,2.5vw,31px);line-height:1.38;margin:12px 0 12px;}
.section-head p{color:var(--ink-3);font-size:15.5px;margin:0;}
.section--ink .section-head p{color:#9dbccd;}
.section--ink .eyebrow{color:var(--accent);}

/* ---------- split / pain ---------- */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;}
.split-media img{
 width:100%;height:420px;object-fit:cover;
 border-radius:var(--radius-lg);
 border:1px solid var(--line);
 box-shadow:var(--shadow-md);
}
.split-list{display:flex;flex-direction:column;gap:6px;}
.pain-item{
 display:flex;gap:18px;align-items:flex-start;
 padding:22px 20px;border-radius:var(--radius);
 border:1px solid transparent;
 transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.pain-item:hover{background:var(--bg-alt);border-color:var(--line);transform:translateX(4px);}
.pain-num{
 flex:0 0 44px;width:44px;height:44px;border-radius:12px;
 display:flex;align-items:center;justify-content:center;
 background:var(--brand-soft);color:var(--brand-deep);
 font-size:15px;font-weight:800;letter-spacing:.02em;
}
.pain-item h3{font-size:17.5px;margin:0 0 6px;}
.pain-item p{font-size:14.8px;line-height:1.75;color:var(--ink-3);margin:0;}

/* ---------- media cards ---------- */
.card-grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.media-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:14px;
 overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.media-card img{width:100%;height:186px;object-fit:cover;}
.mc-body{padding:20px 22px 24px;}
.mc-body h3{font-size:18px;margin:0 0 10px;line-height:1.45;}
.mc-body p{font-size:14.8px;line-height:1.75;color:var(--ink-3);margin:0 0 14px;}
.mc-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;}
.step{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:14px;
 padding:28px 22px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand);}
.step-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:11px;
 background:linear-gradient(150deg,var(--brand),var(--brand-deep));
 color:#fff;font-size:15px;font-weight:800;
 box-shadow:0 8px 16px rgba(15,111,143,.24);
 margin-bottom:14px;
}
.step h3{font-size:17px;margin:0 0 8px;}
.step p{font-size:14.6px;line-height:1.75;color:var(--ink-3);margin:0;}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
 padding:26px 22px;
 border-radius:14px;
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.12);
 transition:background .2s var(--ease),transform .2s var(--ease);
}
.metric:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);}
.metric strong{display:block;font-size:32px;line-height:1.2;color:#fff;font-weight:800;margin-bottom:6px;letter-spacing:-.01em;}
.metric strong em{font-size:16px;font-style:normal;color:var(--accent);margin-left:4px;}
.metric span{font-size:13.8px;color:#9dbccd;line-height:1.65;display:block;}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.quote-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-left:4px solid var(--accent);
 border-radius:12px;
 padding:26px 24px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.quote-card p{font-size:15px;line-height:1.78;color:var(--ink-2);margin:0 0 16px;}
.quote-who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);}
.quote-dot{width:9px;height:9px;border-radius:50%;background:var(--brand);}
.quote-who strong{color:var(--ink);font-size:14px;}

/* ---------- audience ---------- */
.audience-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.audience-item{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);
 border-radius:14px;padding:24px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.audience-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand);}
.aud-icon{
 flex:0 0 46px;width:46px;height:46px;border-radius:12px;
 background:var(--brand-soft);
 display:flex;align-items:center;justify-content:center;
}
.aud-icon svg{width:22px;height:22px;fill:none;stroke:var(--brand-deep);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.audience-item h3{font-size:17px;margin:0 0 6px;}
.audience-item p{font-size:14.4px;line-height:1.72;color:var(--ink-3);margin:0;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:14px;
 padding:24px 24px 22px;
 display:flex;flex-direction:column;gap:10px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.nc-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--ink-3);letter-spacing:.02em;}
.nc-meta span{display:inline-flex;align-items:center;gap:6px;}
.nc-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);}
.news-card h3{font-size:17.5px;line-height:1.5;margin:0;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{font-size:14.4px;line-height:1.72;color:var(--ink-3);margin:0;}
.nc-more{font-size:14px;font-weight:700;color:var(--brand);margin-top:auto;padding-top:8px;}
.nc-more:hover{color:var(--brand-deep);}
.empty-note{
 background:var(--surface);border:1px dashed var(--line-strong);border-radius:14px;
 padding:30px 24px;text-align:center;color:var(--ink-3);font-size:15px;
}

/* ---------- cta ---------- */
.cta-section{padding:0 0 78px;background:var(--bg-alt);}
.cta-band{
 background:linear-gradient(135deg,#0a3b4e 0%,#0f6f8f 100%);
 border-radius:var(--radius-lg);
 padding:46px 48px;
 display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
 box-shadow:var(--shadow-md);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin:0 0 10px;line-height:1.4;}
.cta-band p{margin:0;max-width:660px;color:#c3dded;font-size:15px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:#0a2333;color:#a9c4d4;padding:0;}
.footer-grid{
 display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;
 padding:52px 0 36px;
 border-top:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.01em;}
.site-footer p{font-size:14px;line-height:1.8;color:#93b2c4;margin:0;max-width:420px;}
.footer-col h4{color:#fff;font-size:15px;margin:4px 0 16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#a9c4d4;font-size:14px;transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:18px 0 24px;
 border-top:1px solid rgba(255,255,255,.12);
 font-size:13.5px;color:#7fa0b3;
}
.backtop{color:#cfe3ee;font-size:13.5px;font-weight:600;}
.backtop:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:40px;}
 .hero-visual img{height:330px;}
 .hero-float{left:auto;right:16px;bottom:-18px;}
 .split{grid-template-columns:1fr;gap:30px;}
 .split-media img{height:320px;}
 .grid-3,.quote-grid,.audience-list,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .steps,.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .section{padding:62px 0;}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex;}
 .header-nav{display:none;border-top:1px solid var(--line);}
 .header-nav.is-open{display:block;}
 .nav-inner{flex-direction:column;align-items:stretch;gap:10px;padding:14px 0 18px;}
 .main-nav{flex-direction:column;align-items:stretch;gap:3px;}
 .main-nav a{padding:13px 14px;font-size:15px;}
 .main-nav a.is-active::after{left:14px;right:auto;width:22px;bottom:9px;}
 .nav-meta{display:none;}
 .header-note{display:none;}
 .site-header.is-scrolled .header-top{max-height:92px;opacity:1;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .cta-band{padding:36px 28px;}
}
@media (max-width:640px){
 .container{padding:0 18px;}
 .page-hero{padding:38px 0 46px;}
 .hero-badges{gap:10px;}
 .badge-item{min-width:0;flex:1 1 45%;padding:11px 14px;}
 .hero-visual img{height:250px;}
 .hero-float{position:static;margin-top:14px;max-width:none;left:auto;right:auto;bottom:auto;}
 .grid-3,.quote-grid,.audience-list,.news-grid,.steps,.metric-grid{grid-template-columns:1fr;}
 .split-media img{height:230px;}
 .section{padding:48px 0;}
 .section-head{margin-bottom:28px;}
 .footer-grid{grid-template-columns:1fr;padding:40px 0 28px;}
 .cta-section{padding-bottom:52px;}
 .cta-band{padding:30px 22px;gap:24px;}
 .btn{width:100%;}
 .cta-actions{width:100%;}
 .hero-actions{width:100%;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category2 */
:root{
 --ink:#0b1c2c;
 --ink-2:#3a5164;
 --ink-3:#7189a0;
 --brand:#0f6f8f;
 --brand-deep:#0a4d64;
 --brand-soft:#e7f3f8;
 --accent:#f0a04b;
 --accent-deep:#c97e22;
 --accent-soft:#fdf2e3;
 --bg:#f5f9fc;
 --bg-alt:#eef5fa;
 --surface:#ffffff;
 --line:#e2ecf3;
 --line-strong:#cbdfeb;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:9px;
 --shadow-sm:0 2px 8px rgba(11,28,44,.05);
 --shadow-md:0 14px 34px rgba(11,28,44,.10);
 --shadow-lg:0 22px 52px rgba(11,28,44,.14);
 --container:1180px;
 --ease:cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink-2);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .55em;color:var(--ink);font-weight:700;line-height:1.32;letter-spacing:-.01em;}
h1{font-size:clamp(28px,3.4vw,42px);}
h2{font-size:clamp(23px,2.5vw,31px);}
h3{font-size:18px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
strong{color:var(--ink);font-weight:700;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:200;
 background:rgba(255,255,255,.96);
 backdrop-filter:saturate(150%) blur(12px);
 -webkit-backdrop-filter:saturate(150%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(11,28,44,.09);}
.header-top{max-height:92px;overflow:hidden;opacity:1;transition:max-height .34s var(--ease),opacity .26s var(--ease);}
.site-header.is-scrolled .header-top{max-height:0;opacity:0;}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;}
.logo:hover{color:var(--ink);}
.logo-mark{
 width:40px;height:40px;flex:0 0 40px;border-radius:12px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 8px 18px rgba(15,111,143,.28);
}
.logo-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:17px;letter-spacing:.01em;}
.logo-text small{font-size:11.5px;color:var(--ink-3);font-weight:500;letter-spacing:.14em;}
.header-top-right{display:flex;align-items:center;gap:16px;}
.header-note{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.header-nav{border-top:1px solid var(--line);transition:border-color .3s var(--ease);}
.site-header.is-scrolled .header-nav{border-top-color:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:6px 0;}
.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
 position:relative;display:inline-flex;align-items:center;
 padding:10px 16px;border-radius:9px;font-size:15px;font-weight:600;color:var(--ink-2);
 transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.main-nav a.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);}
.nav-meta{font-size:13px;color:var(--ink-3);letter-spacing:.03em;}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:44px;height:44px;border-radius:10px;
 border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;
 transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
 transition:transform .2s var(--ease),top .2s var(--ease),bottom .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{bottom:-6px;}
.site-header.nav-open .nav-toggle span{background:transparent;}
.site-header.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
.site-header.nav-open .nav-toggle span::after{bottom:0;transform:rotate(-45deg);}

/* ---------- buttons & tags ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,111,143,.26);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,111,143,.32);}
.btn-ghost{background:rgba(255,255,255,.10);color:#eaf5fa;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#3a2405;box-shadow:0 8px 20px rgba(240,160,75,.32);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.tag{
 display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:600;line-height:1.6;
}
.tag--accent{background:var(--accent-soft);color:var(--accent-deep);}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;}

/* ---------- sections ---------- */
.section{padding:76px 0;}
.section--white{background:var(--surface);}
.section--alt{background:var(--bg-alt);}
.section--ink{background:#0a2333;color:#b9d3e0;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head p{color:var(--ink-3);font-size:15.5px;margin-bottom:0;}
.section--ink .section-head p{color:#9dbdd0;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
 color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}
.section--ink .eyebrow{color:var(--accent);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#071c29;color:#c9dfe9;padding:68px 0 76px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:saturate(.9);}
.hero-bg::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,#061a26 8%,rgba(6,26,38,.88) 46%,rgba(6,26,38,.42) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:46px;align-items:center;}
.hero-kicker{
 display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
 background:rgba(240,160,75,.14);border:1px solid rgba(240,160,75,.4);
 color:#f4c58d;font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:20px;
}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-lead{font-size:16.5px;line-height:1.85;color:#a8c6d6;max-width:560px;margin-bottom:22px;}
.hero .tag{background:rgba(255,255,255,.09);color:#dcecf4;border:1px solid rgba(255,255,255,.18);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

.rank-card{
 position:relative;padding:26px 24px 24px;border-radius:var(--radius-lg);
 background:linear-gradient(158deg,rgba(240,160,75,.16) 0%,rgba(10,35,51,.94) 58%);
 border:1px solid rgba(240,160,75,.42);
 box-shadow:0 26px 60px rgba(2,12,20,.5);
}
.rank-card::before{
 content:"";position:absolute;inset:0;border-radius:var(--radius-lg);pointer-events:none;
 background:radial-gradient(circle at 88% 6%,rgba(240,160,75,.24),transparent 58%);
}
.rank-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;position:relative;}
.rank-badge{
 width:62px;height:62px;flex:0 0 62px;border-radius:50%;
 background:conic-gradient(from 200deg,#f0a04b,#f8dcb2,#c97e22,#f0a04b);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 10px 24px rgba(201,126,34,.4);
}
.rank-badge span{font-size:15px;font-weight:800;color:#2a1a05;letter-spacing:.04em;}
.rank-head h2{font-size:17px;color:#fff;margin-bottom:2px;}
.rank-head p{font-size:12.5px;color:#9dbdd0;margin:0;letter-spacing:.06em;}
.rank-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#a8c6d6;margin-bottom:8px;}
.rank-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:18px;}
.rank-bar i{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,#c97e22,#f0a04b,#f8dcb2);}
.rank-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px;position:relative;}
.rank-facts div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 12px;}
.rank-facts b{display:block;font-size:19px;color:var(--accent);line-height:1.3;}
.rank-facts small{font-size:12px;color:#9dbdd0;}
.rank-card .btn{width:100%;position:relative;}

/* ---------- generic cards ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:24px 22px;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
 height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card h3{margin-bottom:10px;}
.card p{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin-bottom:0;}
.icon-box{
 width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 background:var(--brand-soft);color:var(--brand-deep);margin-bottom:16px;
}
.icon-box svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.icon-box--accent{background:var(--accent-soft);color:var(--accent-deep);}

/* ---------- ladder ---------- */
.ladder-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
 display:flex;flex-direction:column;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.ladder-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.ladder-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.ladder-card:hover .ladder-media img{transform:scale(1.05);}
.ladder-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ladder-level{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.ladder-level b{font-size:15px;color:var(--brand-deep);letter-spacing:.02em;}
.ladder-body h3{font-size:17px;margin:0;}
.ladder-body p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.72;}
.ladder-body .tag{align-self:flex-start;margin-top:auto;}

/* ---------- steps ---------- */
.steps-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:center;}
.steps-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.steps-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.steps-list{display:grid;gap:16px;}
.step{
 display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step-no{
 width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
 background:linear-gradient(150deg,var(--brand),var(--brand-deep));color:#fff;font-weight:800;font-size:17px;
 box-shadow:0 8px 18px rgba(15,111,143,.24);
}
.step h3{font-size:16.5px;margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.72;}

/* ---------- stat strip ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius);padding:24px 20px;text-align:left;
 transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.stat:hover{transform:translateY(-3px);background:rgba(255,255,255,.09);border-color:rgba(240,160,75,.44);}
.stat b{display:block;font-size:32px;line-height:1.15;color:var(--accent);font-weight:800;margin-bottom:6px;}
.stat span{font-size:14px;color:#c4dae6;display:block;}
.stat small{font-size:12.5px;color:#8fb0c4;}

/* ---------- quotes ---------- */
.quote-card{
 background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
 border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.quote-card p{font-size:14.8px;line-height:1.8;color:var(--ink-2);margin-bottom:16px;}
.quote-who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);}
.quote-who b{color:var(--ink);font-weight:700;}
.quote-dot{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;}

/* ---------- audience ---------- */
.audience{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.audience:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.audience h3{font-size:16.5px;margin-bottom:8px;}
.audience p{font-size:14.3px;color:var(--ink-3);margin:0;line-height:1.72;}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);height:100%;
 display:flex;flex-direction:column;gap:10px;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.post-card h3{font-size:16.5px;margin:0;line-height:1.55;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--brand);}
.post-card p{font-size:14.2px;color:var(--ink-3);margin:0;line-height:1.72;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.8px;color:var(--ink-3);}
.empty-note{
 background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius);
 padding:32px;text-align:center;color:var(--ink-3);font-size:15px;
}

/* ---------- cta band ---------- */
.cta-band{
 background:linear-gradient(120deg,#0a4d64 0%,#0f6f8f 52%,#14839f 100%);
 border-radius:var(--radius-lg);padding:44px 40px;color:#e7f3f8;
 display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:32px;align-items:center;
 box-shadow:0 24px 56px rgba(10,77,100,.28);
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:#cfe7f1;margin:0;font-size:15px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);}

/* ---------- footer ---------- */
.site-footer{background:#081c29;color:#9fbccd;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.75fr) minmax(0,.75fr);gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.11);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.01em;}
.site-footer .logo-mark{box-shadow:none;}
.site-footer p{font-size:14.2px;line-height:1.8;color:#93b1c3;margin:0;max-width:460px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em;}
.footer-links li{margin-bottom:9px;}
.footer-links a{color:#9fbccd;font-size:14.2px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:13.2px;color:#7f9db0;flex-wrap:wrap;}
.backtop{color:#9fbccd;font-size:13.2px;}
.backtop:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px;}
 .hero-lead{max-width:none;}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-3,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .steps-layout{grid-template-columns:1fr;gap:30px;}
 .steps-figure img{aspect-ratio:16/9;}
 .cta-band{grid-template-columns:1fr;padding:36px 28px;}
 .cta-band .cta-actions{justify-content:flex-start;}
 .section{padding:62px 0;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-grid > div:first-child{grid-column:1/-1;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .header-note{display:none;}
 .header-nav{display:none;border-top:1px solid var(--line);}
 .site-header.nav-open .header-nav{display:block;}
 .nav-inner{flex-direction:column;align-items:stretch;gap:10px;padding:12px 0 16px;}
 .main-nav{flex-direction:column;align-items:stretch;gap:2px;}
 .main-nav a{padding:13px 14px;font-size:15.5px;}
 .main-nav a.is-active::after{left:14px;right:auto;width:22px;}
 .nav-meta{display:none;}
 .site-header.is-scrolled .header-top{max-height:92px;opacity:1;}
}
@media (max-width:768px){
 .grid-3,.grid-4,.post-grid,.grid-2{grid-template-columns:1fr;}
 .section{padding:52px 0;}
 .hero{padding:48px 0 56px;}
 .hero-actions .btn{flex:1 1 auto;}
 .rank-facts{grid-template-columns:1fr 1fr;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 h1{font-size:26px;}
 .section-head{margin-bottom:28px;}
 .stat-grid{grid-template-columns:1fr;}
 .rank-card{padding:22px 18px;}
 .step{grid-template-columns:44px minmax(0,1fr);padding:17px;gap:13px;}
 .step-no{width:44px;height:44px;border-radius:12px;font-size:15px;}
 .footer-grid{grid-template-columns:1fr;}
 .cta-band{padding:30px 20px;}
 .btn{width:100%;}
 .hero-actions{flex-direction:column;}
 .hero-actions .btn{width:100%;}
 .header-top-right{gap:10px;}
 .logo-text strong{font-size:15.5px;}
 .logo-text small{font-size:10.5px;letter-spacing:.1em;}
}

/* roulang page: category3 */
:root{
  --ink:#0b1c2c;
  --ink-2:#3a5164;
  --ink-3:#7189a0;
  --brand:#0f6f8f;
  --brand-deep:#0a4d64;
  --brand-soft:#e7f3f8;
  --accent:#f0a04b;
  --accent-deep:#c97e22;
  --accent-soft:#fdf2e3;
  --bg:#f5f9fc;
  --bg-alt:#eef5fa;
  --surface:#ffffff;
  --line:#e2ecf3;
  --line-strong:#cbdfeb;
  --radius-lg:18px;
  --radius:12px;
  --radius-sm:9px;
  --shadow-sm:0 2px 8px rgba(11,28,44,.05);
  --shadow-md:0 14px 34px rgba(11,28,44,.10);
  --shadow-lg:0 22px 52px rgba(11,28,44,.14);
  --container:1180px;
  --ease:cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.32;margin:0 0 14px;font-weight:700;}
p{margin:0 0 16px;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(240,160,75,.7);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(11,28,44,.09);}
.header-top{
  max-height:92px;
  overflow:hidden;
  opacity:1;
  transition:max-height .34s var(--ease),opacity .26s var(--ease);
}
.site-header.is-scrolled .header-top{max-height:0;opacity:0;}
.header-top-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:15px 0;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,111,143,.28);
}
.logo-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:17px;letter-spacing:.01em;}
.logo-text small{font-size:11.5px;color:var(--ink-3);font-weight:500;letter-spacing:.14em;}
.header-top-right{display:flex;align-items:center;gap:16px;}
.header-note{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.header-nav{border-top:1px solid var(--line);transition:border-color .3s var(--ease);}
.site-header.is-scrolled .header-nav{border-top-color:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:6px 0;}
.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 16px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.main-nav a.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-meta{font-size:13px;color:var(--ink-3);letter-spacing:.03em;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .2s var(--ease),top .2s var(--ease),bottom .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{bottom:-6px;}
.site-header.nav-open .nav-toggle span{background:transparent;}
.site-header.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
.site-header.nav-open .nav-toggle span::after{bottom:0;transform:rotate(-45deg);}

/* ---------- buttons / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;text-align:center;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,111,143,.26);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,111,143,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.10);color:#eaf5fa;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#3a2405;box-shadow:0 8px 20px rgba(240,160,75,.32);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;line-height:1.6;
}
.tag--accent{background:var(--accent-soft);color:var(--accent-deep);}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;}

/* ---------- section ---------- */
.section{padding:74px 0;}
.section--white{background:var(--surface);}
.section--alt{background:var(--bg-alt);}
.section--ink{background:#0a2333;color:#b9d3e0;}
.section--ink h2,.section--ink h3,.section--ink h4{color:#fff;}
.section--ink p{color:#a8c6d6;}
.section--tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(23px,2.5vw,31px);margin-bottom:12px;}
.section-head p{color:var(--ink-3);font-size:15.5px;margin-bottom:0;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand);
  margin-bottom:12px;text-transform:uppercase;
}
.section-head .eyebrow::before{
  content:"";width:26px;height:3px;border-radius:3px;background:var(--accent);
}
.section--ink .section-head .eyebrow{color:var(--accent);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:62px 0 74px;
  color:#cfe4ee;
  background:
    radial-gradient(900px 460px at 84% -12%,rgba(15,111,143,.62),transparent 62%),
    radial-gradient(700px 420px at 6% 108%,rgba(240,160,75,.20),transparent 60%),
    linear-gradient(158deg,#07202e 0%,#0a3247 54%,#0b4157 100%);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.10);
}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;
  background:rgba(240,160,75,.16);
  border:1px solid rgba(240,160,75,.42);
  color:#ffd9a8;font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(240,160,75,.22);
}
.hero h1{
  color:#fff;
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.24;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{
  font-size:16.5px;line-height:1.8;color:#b6d2e0;max-width:600px;margin-bottom:24px;
}
.hero-tags{margin-bottom:30px;}
.hero-tags .tag{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:#d8ecf5;
}
.hero-tags .tag--accent{
  background:rgba(240,160,75,.16);
  border-color:rgba(240,160,75,.42);
  color:#ffd9a8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:30px;margin-top:36px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-meta div{min-width:110px;}
.hero-meta strong{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2;}
.hero-meta span{font-size:13px;color:#8fb4c6;letter-spacing:.03em;}

/* hero vertical shot */
.hero-shot{
  position:relative;
  width:100%;max-width:330px;margin-left:auto;
  aspect-ratio:9/16;
  border-radius:24px;overflow:hidden;
  border:1px solid rgba(255,255,255,.20);
  box-shadow:0 30px 64px rgba(0,0,0,.45);
  background:#062330;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,22,32,0) 42%,rgba(4,22,32,.86) 100%);
}
.shot-badge{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:6px 13px;border-radius:999px;
  background:rgba(7,32,46,.72);
  border:1px solid rgba(255,255,255,.24);
  color:#ffd9a8;font-size:12.5px;font-weight:600;letter-spacing:.03em;
  backdrop-filter:blur(6px);
}
.shot-foot{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.shot-foot span{font-size:13px;color:#a9c8d7;}
.shot-foot strong{
  font-size:14px;color:#0a2333;background:var(--accent);
  padding:6px 13px;border-radius:999px;font-weight:700;
}

/* ---------- generic cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:26px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{font-size:15px;color:var(--ink-2);margin-bottom:0;}
.card .card-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);margin-bottom:16px;
}
.card .card-icon svg{width:22px;height:22px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.card--accent .card-icon{background:var(--accent-soft);}
.card--accent .card-icon svg{stroke:var(--accent-deep);}

.media-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.media-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.media-card:hover .thumb img{transform:scale(1.045);}
.media-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.media-card .body h3{font-size:17.5px;margin-bottom:9px;}
.media-card .body p{font-size:14.8px;margin-bottom:16px;color:var(--ink-2);}
.media-card .body .tag-row{margin-top:auto;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 22px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;
  font-size:14px;font-weight:800;letter-spacing:.12em;
  color:var(--accent-deep);margin-bottom:12px;
}
.step h3{font-size:16.5px;margin-bottom:9px;}
.step p{font-size:14.5px;margin-bottom:0;color:var(--ink-2);}
.step::after{
  content:"";position:absolute;top:0;left:22px;width:34px;height:3px;border-radius:0 0 3px 3px;
  background:var(--accent);opacity:.85;
}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);
  padding:26px 22px;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.stat:hover{background:rgba(255,255,255,.09);border-color:rgba(240,160,75,.5);transform:translateY(-3px);}
.stat .stat-num{
  font-size:clamp(28px,3.2vw,38px);font-weight:800;color:var(--accent);
  line-height:1.1;margin-bottom:8px;font-variant-numeric:tabular-nums;
}
.stat h3{font-size:15.5px;margin-bottom:6px;color:#fff;}
.stat p{font-size:13.8px;margin-bottom:0;color:#9dbdcd;}

/* ---------- quotes ---------- */
.quote{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.quote::before{
  content:"“";position:absolute;top:6px;left:20px;
  font-size:46px;line-height:1;color:rgba(15,111,143,.16);font-family:Georgia,serif;
}
.quote p{position:relative;font-size:15.2px;color:var(--ink-2);margin:14px 0 18px;}
.quote .who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);}
.quote .who b{color:var(--ink);font-size:14px;font-weight:700;}
.quote .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ---------- audience list ---------- */
.audience{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px 34px;
}
.audience li{
  list-style:none;
  position:relative;
  padding:8px 0 8px 30px;
  font-size:15.2px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.audience li::before{
  content:"";position:absolute;left:0;top:15px;
  width:15px;height:15px;border-radius:50%;
  background:var(--brand-soft);
  box-shadow:inset 0 0 0 4px var(--brand);
}
.audience li b{color:var(--ink);}

/* ---------- faq ---------- */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md);}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 54px 18px 22px;
  position:relative;
  font-size:16px;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item[open] summary{color:var(--brand-deep);}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);}
.faq-body p{margin-bottom:0;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:56px 48px;
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-band img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,28,40,.94) 0%,rgba(10,77,100,.82) 58%,rgba(10,50,71,.72) 100%);
}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.6vw,30px);margin-bottom:12px;}
.cta-inner p{color:#bcd8e5;margin-bottom:24px;}
.cta-inner .btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{
  background:#071d2a;
  color:#9fbccb;
  padding:58px 0 0;
  margin-top:0;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:42px;
  padding-bottom:42px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:700;}
.footer-brand .logo-mark{box-shadow:none;}
.site-footer p{font-size:14.5px;line-height:1.85;color:#8fadbe;margin-bottom:0;}
.footer-col h4{
  color:#fff;font-size:14.5px;letter-spacing:.06em;margin-bottom:16px;font-weight:700;
}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#9fbccb;font-size:14.5px;transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.10);
  font-size:13.5px;color:#7b9aac;
}
.backtop{
  color:#9fbccb;font-size:13.5px;
  display:inline-flex;align-items:center;gap:6px;
}
.backtop:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-shot{margin:0 auto;max-width:300px;}
  .grid-4,.stat-grid,.steps{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:62px 0;}
}
@media (max-width:900px){
  .site-header.is-scrolled .header-top{max-height:92px;opacity:1;}
  .header-note{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-nav{
    max-height:0;overflow:hidden;
    transition:max-height .32s var(--ease);
  }
  .site-header.nav-open .header-nav{max-height:340px;}
  .nav-inner{flex-direction:column;align-items:stretch;padding:8px 0 16px;gap:8px;}
  .main-nav{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav a{padding:13px 16px;border-radius:10px;}
  .main-nav a.is-active::after{left:16px;right:auto;width:26px;bottom:8px;}
  .nav-meta{display:none;}
  .header-top-inner{padding:12px 0;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .section{padding:52px 0;}
  .grid-2,.grid-3,.grid-4,.stat-grid,.steps,.audience{grid-template-columns:1fr;}
  .hero{padding:44px 0 54px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-meta{gap:20px;}
  .cta-band{padding:38px 24px;border-radius:var(--radius);}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .hero-shot{max-width:250px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text small{font-size:10.5px;}
  .header-top-right .btn{display:none;}
  .card,.step,.quote{padding:22px 18px;}
  .media-card .body{padding:18px 18px 20px;}
  .cta-inner .btn-row .btn{width:100%;}
}