/* roulang page: index */
:root{
  --navy:#1a1f3d;
  --navy-2:#232a52;
  --navy-3:#2c3468;
  --gold:#ffb400;
  --gold-2:#ffcc4d;
  --gold-deep:#b37d00;
  --ink:#161a2e;
  --text:#3a4060;
  --muted:#6b7290;
  --bg:#f4f6fb;
  --card:#ffffff;
  --line:#e3e7f2;
  --radius:12px;
  --radius-lg:16px;
  --shadow:0 6px 24px rgba(26,31,61,.08);
  --shadow-lg:0 16px 42px rgba(26,31,61,.16);
  --shell:1160px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.32;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ol,ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 22px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:linear-gradient(180deg,#1a1f3d 0%,#171c36 100%);
  border-bottom:1px solid rgba(255,180,0,.2);
  box-shadow:0 4px 20px rgba(10,14,32,.32);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:26px;min-height:74px;position:relative;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:11px;
  background:linear-gradient(135deg,#ffb400,#ffcc4d);
  color:#1a1f3d;display:grid;place-items:center;
  font-weight:800;font-size:19px;
  box-shadow:0 8px 18px rgba(255,180,0,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text strong{font-size:17px;letter-spacing:.5px;color:#fff;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:1.8px;color:rgba(255,255,255,.5);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 15px;border-radius:9px;
  font-size:15px;color:rgba(255,255,255,.75);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.14);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  border-radius:2px;background:var(--gold);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 21px;border-radius:10px;
  font-size:14px;font-weight:700;color:#1a1f3d;
  background:linear-gradient(135deg,#ffb400,#ffcc4d);
  box-shadow:0 9px 22px rgba(255,180,0,.3);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44);color:#1a1f3d;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;font-size:20px;
  align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:10px;
  font-size:15px;font-weight:700;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffb400,#ffcc4d);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.34);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.46);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:var(--gold);color:#fff;}
.btn-dark{background:var(--navy);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24);}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:#141831;color:#fff;
  padding:92px 0 84px;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.36;filter:saturate(.9);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(880px 440px at 12% -6%,rgba(255,180,0,.24),transparent 62%),
    linear-gradient(180deg,rgba(15,18,38,.74) 0%,rgba(15,18,38,.94) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-copy{max-width:840px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  font-size:13px;letter-spacing:1px;
  color:var(--gold-2);
  background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.4);
  margin-bottom:22px;
}
.hero-badge i{font-size:14px;}
.hero h1{
  color:#fff;
  font-size:clamp(29px,4.2vw,50px);
  line-height:1.24;
  letter-spacing:.5px;
  margin-bottom:22px;
  text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.hero h1 span{color:var(--gold-2);}
.hero-lead{
  font-size:16.5px;line-height:1.95;
  color:rgba(255,255,255,.82);
  max-width:760px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:42px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;max-width:700px;
}
.hero-stat{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:16px 20px;
  backdrop-filter:blur(6px);
  transition:border-color .22s ease,background .22s ease;
}
.hero-stat:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);}
.hero-stat strong{display:block;font-size:26px;color:var(--gold-2);line-height:1.2;font-weight:800;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68);}

/* ---------- Section basics ---------- */
.section{padding:76px 0;position:relative;}
.section-alt{background:#fff;}
.section-tint{background:linear-gradient(180deg,#eef1f9,#f6f8fc);}
.section-dark{background:linear-gradient(160deg,#1a1f3d 0%,#232a52 60%,#2a3260 100%);color:rgba(255,255,255,.82);}
.section-dark h2,.section-dark h3{color:#fff;}
.sec-head{max-width:780px;margin-bottom:42px;}
.sec-head.centered{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(23px,2.9vw,33px);margin:14px 0 16px;letter-spacing:.3px;}
.sec-head p{font-size:15.5px;color:var(--muted);line-height:1.92;}
.section-dark .sec-head p{color:rgba(255,255,255,.72);}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--gold-deep);text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#ffb400,#ffcc4d);
}
.section-dark .eyebrow{color:var(--gold-2);}

/* ---------- Grid / Cards ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px 26px 24px;
  height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#d2d9ea;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.card-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.38);
  color:var(--gold-deep);font-weight:800;font-size:14px;
  margin-bottom:16px;
}
.problem-card{border-left:3px solid rgba(255,180,0,.6);}

/* ---------- Split / Steps ---------- */
.split{display:grid;grid-template-columns:0.94fr 1.06fr;gap:48px;align-items:center;}
.split-media{position:relative;}
.split-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;height:100%;object-fit:cover;}
.split-media::before{
  content:"";position:absolute;inset:-14px -14px auto auto;
  width:120px;height:120px;border-radius:20px;
  background:linear-gradient(135deg,rgba(255,180,0,.5),rgba(255,204,77,.12));
  z-index:-1;
}
.split-body h2{font-size:clamp(23px,2.8vw,32px);margin:14px 0 16px;}
.split-body > p{font-size:15.5px;color:var(--muted);line-height:1.92;margin-bottom:26px;}
.steps{display:grid;gap:16px;}
.step{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);}
.step-num{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,#ffb400,#ffcc4d);
  color:#1a1f3d;display:grid;place-items:center;
  font-weight:800;font-size:14px;
  box-shadow:0 6px 14px rgba(255,180,0,.34);
}
.step-body h4{font-size:15.5px;margin-bottom:4px;}
.step-body p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- Result preview ---------- */
.preview-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;}
.preview-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.preview-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.preview-media:hover img{transform:scale(1.04);}
.media-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(20,24,49,.86);
  border:1px solid rgba(255,180,0,.5);
  border-radius:12px;padding:12px 18px;
  color:#fff;backdrop-filter:blur(8px);
}
.media-badge strong{display:block;color:var(--gold-2);font-size:21px;line-height:1.2;}
.media-badge span{font-size:12.5px;color:rgba(255,255,255,.7);}
.preview-list{display:grid;gap:14px;margin-top:26px;}
.preview-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:11px;
  padding:15px 20px;box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease;
}
.preview-row:hover{border-color:rgba(255,180,0,.6);transform:translateY(-2px);}
.preview-row span{font-size:14.5px;color:var(--text);}
.preview-row b{font-size:15px;color:var(--navy);white-space:nowrap;}

/* ---------- Stuck points ---------- */
.stuck-list{display:grid;gap:18px;}
.stuck-item{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stuck-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.stuck-icon{
  width:46px;height:46px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-size:20px;
  background:rgba(255,180,0,.14);color:var(--gold-deep);
  border:1px solid rgba(255,180,0,.35);
}
.stuck-item h3{font-size:16.5px;margin-bottom:8px;}
.stuck-item p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- Path ---------- */
.path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.path-step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.path-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.path-step .pn{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:1.5px;
  color:var(--gold-deep);background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.35);
  padding:2px 11px;border-radius:999px;margin-bottom:14px;
}
.path-step h4{font-size:16px;margin-bottom:8px;}
.path-step p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- Feature list ---------- */
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.feature{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.feature h4{font-size:16px;margin-bottom:8px;}
.feature p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- Category entrance ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cat-card{
  display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(160deg,#ffffff,#f4f6fd);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  min-height:220px;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.6);}
.cat-card .cat-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  color:#fff;background:linear-gradient(135deg,#1a1f3d,#2c3468);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;align-self:flex-start;
}
.cat-card h3{font-size:19px;margin-bottom:10px;}
.cat-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.cat-more{
  margin-top:20px;font-size:14px;font-weight:700;color:var(--navy);
  display:inline-flex;align-items:center;gap:7px;
}
.cat-card:hover .cat-more{color:var(--gold-deep);}

/* ---------- Stats band ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-box{
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  border-radius:var(--radius);padding:24px 22px;
  transition:background .22s ease,border-color .22s ease;
}
.stat-box:hover{background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.5);}
.stat-box strong{display:block;font-size:30px;font-weight:800;color:var(--gold-2);line-height:1.2;margin-bottom:6px;}
.stat-box span{font-size:13.5px;color:rgba(255,255,255,.72);display:block;}
.stat-box em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.5);margin-top:8px;}

/* ---------- Topic cards ---------- */
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;height:100%;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.topic-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#dfe4f2;}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.06);}
.topic-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:17px;}
.topic-body p{font-size:14.3px;color:var(--muted);line-height:1.82;}
.topic-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#94a0bb;margin-top:auto;padding-top:8px;}
.dot{width:4px;height:4px;border-radius:50%;background:#c3cbe0;display:inline-block;}

/* ---------- Voice ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);position:relative;
  transition:transform .22s ease,box-shadow .22s ease;
}
.voice:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.voice::before{
  content:"\201C";position:absolute;top:8px;right:22px;
  font-size:56px;line-height:1;color:rgba(255,180,0,.22);font-family:Georgia,serif;
}
.voice p{font-size:14.8px;color:var(--text);line-height:1.9;margin-bottom:18px;}
.voice-who{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,#1a1f3d,#2c3468);
  color:var(--gold-2);display:grid;place-items:center;
  font-weight:800;font-size:15px;flex-shrink:0;
}
.voice-who strong{display:block;font-size:14.5px;color:var(--ink);}
.voice-who span{font-size:12.5px;color:#94a0bb;}

/* ---------- Subscribe ---------- */
.subscribe-box{
  background:linear-gradient(150deg,#1a1f3d 0%,#232a52 55%,#2c3468 100%);
  border-radius:20px;padding:52px 48px;color:#fff;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.subscribe-box::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.subscribe-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative;z-index:2;}
.subscribe-grid h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin:14px 0 14px;}
.subscribe-grid p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.9;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 220px;min-width:0;
  padding:13px 18px;border-radius:10px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;font-size:14.5px;
  transition:border-color .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.14);}
.sub-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:14px;line-height:1.7;}

/* ---------- News / CMS ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start;}
.news-list{display:grid;gap:16px;}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:23px 25px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);}
.news-tag{
  display:inline-block;font-size:12px;font-weight:700;
  color:var(--gold-deep);background:rgba(255,180,0,.16);
  border:1px solid rgba(255,180,0,.36);
  padding:2px 11px;border-radius:999px;margin-bottom:11px;
}
.news-item h3{font-size:17.5px;margin-bottom:8px;transition:color .2s ease;}
.news-item:hover h3{color:var(--gold-deep);}
.news-item p{font-size:14.4px;color:var(--muted);line-height:1.85;margin-bottom:10px;}
.news-date{font-size:12.5px;color:#94a0bb;display:inline-flex;align-items:center;gap:6px;}
.news-empty{
  background:#fff;border:1px dashed #cfd6ea;border-radius:var(--radius);
  padding:40px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.side-box{
  background:linear-gradient(160deg,#1a1f3d,#2a3260);
  border-radius:14px;padding:28px 26px;color:rgba(255,255,255,.78);
  box-shadow:var(--shadow-lg);
}
.side-box h3{color:#fff;font-size:17px;margin-bottom:8px;}
.side-box .side-desc{font-size:13.5px;color:rgba(255,255,255,.55);margin-bottom:16px;}
.side-item{
  display:block;padding:13px 0;
  border-bottom:1px dashed rgba(255,255,255,.16);
  transition:color .2s ease,padding-left .2s ease;
}
.side-item:last-child{border-bottom:0;}
.side-item:hover{color:var(--gold-2);padding-left:5px;}
.side-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.65;}
.side-item span{font-size:12px;color:rgba(255,255,255,.45);}

/* ---------- Final CTA ---------- */
.final-cta{
  background:linear-gradient(135deg,rgba(255,180,0,.14),rgba(255,204,77,.05)),#f7f9fe;
  border:1px solid var(--line);border-radius:20px;
  padding:52px 44px;text-align:center;box-shadow:var(--shadow);
}
.final-cta h2{font-size:clamp(23px,2.8vw,31px);margin:14px 0 16px;}
.final-cta p{max-width:720px;margin:0 auto 28px;font-size:15.5px;color:var(--muted);line-height:1.9;}
.final-cta .btn-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- Footer ---------- */
.site-footer{
  background:#141831;color:rgba(255,255,255,.66);
  padding:56px 0 0;margin-top:0;
  border-top:1px solid rgba(255,180,0,.18);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px;}
.footer-brand strong{font-size:17px;color:#fff;letter-spacing:.4px;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.56);max-width:420px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px;}
.footer-col a{
  display:block;font-size:14px;padding:6px 0;
  color:rgba(255,255,255,.6);transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--gold-2);padding-left:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .path{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split,.preview-wrap{grid-template-columns:1fr;gap:32px;}
  .news-layout{grid-template-columns:1fr;}
  .subscribe-grid{grid-template-columns:1fr;gap:28px;}
  .cat-grid,.voice-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;left:-22px;right:-22px;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#171c36;padding:12px 22px 18px;
    border-bottom:1px solid rgba(255,180,0,.2);
    box-shadow:0 18px 32px rgba(9,12,28,.5);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15.5px;}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .hero{padding:64px 0 60px;}
  .section{padding:58px 0;}
  .subscribe-box{padding:38px 26px;}
  .final-cta{padding:40px 24px;}
}
@media (max-width:640px){
  .shell{padding:0 16px;}
  .grid-2,.grid-3,.grid-4,.cat-grid,.voice-grid,.feature-list,.path,.stats-band{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:15px;}
  .btn{width:100%;}
  .hero-actions .btn{width:auto;flex:1 1 200px;}
  .brand-text em{display:none;}
  .stuck-item{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sec-head{margin-bottom:30px;}
  .split-media::before{display:none;}
}

/* roulang page: category1 */
:root{
  --navy:#1a1f3d;
  --navy-2:#232a52;
  --navy-3:#2c3468;
  --gold:#ffb400;
  --gold-2:#ffcc4d;
  --gold-deep:#b37d00;
  --ink:#161a2e;
  --text:#3a4060;
  --muted:#6b7290;
  --bg:#f4f6fb;
  --card:#ffffff;
  --line:#e3e7f2;
  --radius:12px;
  --radius-lg:16px;
  --shadow:0 6px 24px rgba(26,31,61,.08);
  --shadow-lg:0 16px 42px rgba(26,31,61,.16);
  --shell:1160px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:800;line-height:1.32;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:2px;border-radius:6px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:linear-gradient(180deg,#1a1f3d 0%,#171c36 100%);
  border-bottom:1px solid rgba(255,180,0,.2);
  box-shadow:0 4px 20px rgba(10,14,32,.32);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:26px;min-height:74px;position:relative;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:11px;
  background:linear-gradient(135deg,#ffb400,#ffcc4d);
  color:#1a1f3d;display:grid;place-items:center;
  font-weight:800;font-size:19px;
  box-shadow:0 8px 18px rgba(255,180,0,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text strong{font-size:17px;letter-spacing:.5px;color:#fff;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:1.8px;color:rgba(255,255,255,.5);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 15px;border-radius:9px;
  font-size:15px;color:rgba(255,255,255,.75);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.14);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  border-radius:2px;background:var(--gold);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 21px;border-radius:10px;
  font-size:14px;font-weight:700;color:#1a1f3d;
  background:linear-gradient(135deg,#ffb400,#ffcc4d);
  box-shadow:0 9px 22px rgba(255,180,0,.3);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44);color:#1a1f3d;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;font-size:20px;
  align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:10px;
  font-size:15px;font-weight:700;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffb400,#ffcc4d);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.34);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.46);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:var(--gold);color:#fff;}
.btn-dark{background:var(--navy);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24);}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff;}
.btn-line{background:#fff;color:var(--navy);border-color:var(--line);box-shadow:var(--shadow);}
.btn-line:hover{border-color:var(--gold);color:var(--navy);transform:translateY(-2px);}

/* ---------- Hero ---------- */
.hero-cat{position:relative;overflow:hidden;background:#141831;color:#fff;padding:80px 0 72px;}
.hero-cat-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.3;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 400px at 14% 4%,rgba(255,180,0,.22),transparent 62%),
    radial-gradient(680px 340px at 92% 96%,rgba(96,140,255,.22),transparent 62%),
    linear-gradient(180deg,rgba(16,20,42,.80) 0%,rgba(16,20,42,.95) 100%);
}
.hero-cat-inner{position:relative;z-index:2;}
.hero-cat h1{
  color:#fff;font-size:clamp(28px,3.8vw,44px);
  line-height:1.28;margin-bottom:20px;letter-spacing:.4px;
  text-shadow:0 4px 24px rgba(0,0,0,.36);
}
.hero-cat h1 span{color:var(--gold-2);}
.hero-cat .hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  font-size:13px;letter-spacing:1.4px;
  color:var(--gold-2);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.4);margin-bottom:22px;
}
.hero-cat .hero-lead{
  font-size:16px;line-height:1.95;
  color:rgba(255,255,255,.82);max-width:640px;margin-bottom:26px;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.point-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.85);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.point-chip:hover{border-color:rgba(255,180,0,.6);background:rgba(255,180,0,.12);transform:translateY(-2px);}
.point-chip i{color:var(--gold-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-panel{
  background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:0 20px 44px rgba(6,10,28,.42);
  backdrop-filter:blur(8px);
}
.hero-panel h2{
  color:#fff;font-size:15px;letter-spacing:2px;
  font-weight:700;margin-bottom:20px;
  display:flex;align-items:center;gap:9px;
}
.hero-panel h2::before{content:"";width:20px;height:2px;border-radius:2px;background:linear-gradient(90deg,#ffb400,#ffcc4d);}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.16);
}
.panel-row:last-child{border-bottom:0;padding-bottom:0;}
.panel-row span{font-size:14px;color:rgba(255,255,255,.72);}
.panel-num{font-size:22px;font-weight:800;color:var(--gold-2);line-height:1.1;}
.panel-num small{font-size:12.5px;color:rgba(255,255,255,.6);font-weight:600;margin-left:3px;}

/* ---------- Section ---------- */
.section{padding:74px 0;position:relative;}
.section-alt{background:#fff;}
.section-tint{background:linear-gradient(180deg,#eef1f9,#f6f8fc);}
.section-dark{
  background:linear-gradient(160deg,#1a1f3d 0%,#232a52 58%,#2a3260 100%);
  color:rgba(255,255,255,.82);
}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .sec-sub{color:rgba(255,255,255,.72);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#ffb400,#ffcc4d);}
.section-dark .eyebrow{color:var(--gold-2);}
.sec-title{font-size:clamp(23px,2.8vw,32px);margin-bottom:14px;}
.sec-sub{font-size:15.5px;line-height:1.9;color:var(--muted);margin:0;}

/* ---------- Rule cards ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rule-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  height:100%;
}
.rule-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);}
.rule-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(255,180,0,.06));
  color:var(--gold-deep);font-size:21px;margin-bottom:16px;
  border:1px solid rgba(255,180,0,.28);
}
.rule-card h3{font-size:17.5px;margin-bottom:10px;}
.rule-card p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0;}

/* ---------- Route cards ---------- */
.route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.route-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);height:100%;
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.route-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.route-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.route-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.route-card:hover .route-thumb img{transform:scale(1.06);}
.route-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,49,0) 40%,rgba(20,24,49,.62) 100%);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  background:rgba(255,180,0,.16);color:var(--gold-deep);
  border:1px solid rgba(255,180,0,.35);
}
.route-thumb .tag{position:absolute;left:14px;bottom:12px;z-index:2;background:rgba(255,180,0,.9);color:#1a1f3d;border-color:transparent;}
.route-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1;}
.route-body h3{font-size:17.5px;margin-bottom:10px;}
.route-body p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0 0 16px;}
.route-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.route-meta strong{color:var(--navy);font-size:15px;}

/* ---------- Data ---------- */
.data-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.data-list{display:grid;gap:20px;}
.data-item{display:grid;gap:9px;}
.data-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.data-label{font-size:14.5px;color:rgba(255,255,255,.8);}
.data-num{font-size:16px;font-weight:800;color:var(--gold-2);}
.data-bar{height:9px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.data-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffb400,#ffcc4d);}
.voice-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);padding:28px 26px;
}
.voice-card i.quote{font-size:26px;color:var(--gold-2);display:block;margin-bottom:12px;}
.voice-card p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.86);margin-bottom:16px;}
.voice-card cite{font-style:normal;font-size:13px;color:rgba(255,255,255,.58);}
.voice-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.voice-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,180,0,.14);color:var(--gold-2);
  border:1px solid rgba(255,180,0,.3);
}

/* ---------- Flow ---------- */
.flow-list{display:grid;gap:18px;}
.flow-item{
  display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow-item:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.flow-step{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy),var(--navy-3));
  color:var(--gold-2);font-weight:800;font-size:18px;
  box-shadow:0 10px 22px rgba(26,31,61,.26);
  flex-shrink:0;
}
.flow-content h3{font-size:17px;margin-bottom:8px;}
.flow-content p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0;}

/* ---------- Miss ---------- */
.miss-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.miss-card{
  border-radius:var(--radius-lg);padding:28px 26px;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
}
.miss-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.miss-card h3 i{font-size:19px;}
.miss-card.bad h3 i{color:#d94a4a;}
.miss-card.good h3 i{color:#1e9e63;}
.miss-card ul{display:grid;gap:12px;}
.miss-card li{
  font-size:14.5px;line-height:1.8;color:var(--muted);
  padding-left:18px;position:relative;
}
.miss-card li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;
}
.miss-card.bad li::before{background:#e07777;}
.miss-card.good li::before{background:#3fb884;}
.miss-card.good{border-color:rgba(255,180,0,.45);background:linear-gradient(180deg,#fffdf6,#ffffff);}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);height:100%;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.news-meta .tag{font-size:12px;padding:4px 11px;}
.news-meta time{font-size:12.5px;color:var(--muted);}
.news-card h3{font-size:16.5px;line-height:1.55;margin-bottom:10px;transition:color .2s ease;}
.news-card:hover h3{color:var(--gold-deep);}
.news-card p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;}
.news-empty{
  grid-column:1/-1;text-align:center;color:var(--muted);
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:40px 20px;font-size:15px;margin:0;
}

/* ---------- FAQ ---------- */
.faq-accordion{--bs-accordion-border-color:var(--line);--bs-accordion-border-radius:12px;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius)!important;
  margin-bottom:14px;overflow:hidden;background:#fff;
  box-shadow:var(--shadow);
}
.faq-accordion .accordion-button{
  font-size:16px;font-weight:700;color:var(--ink);
  background:#fff;padding:20px 22px;line-height:1.6;
  box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:linear-gradient(180deg,#fffaf0,#ffffff);
  color:var(--navy);
}
.faq-accordion .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(255,180,0,.4);
  border-color:rgba(255,180,0,.6);
}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"\F282";
  font-family:"bootstrap-icons";
  font-size:15px;color:var(--gold-deep);
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-accordion .accordion-body{
  font-size:14.8px;line-height:1.9;color:var(--muted);
  padding:0 22px 22px;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#1a1f3d 0%,#2c3468 100%);
  padding:50px 46px;color:#fff;
  box-shadow:0 22px 50px rgba(26,31,61,.28);
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 260px at 88% 10%,rgba(255,180,0,.26),transparent 62%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,28px);margin-bottom:12px;position:relative;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.9;margin:0;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#171c36,#1a1f3d);
  color:rgba(255,255,255,.68);padding:58px 0 26px;margin-top:0;
  border-top:1px solid rgba(255,180,0,.2);
}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin:0;max-width:430px;}
.footer-col h4{color:#fff;font-size:14.5px;letter-spacing:1.4px;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.64);
  padding:6px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px);}
.footer-bottom{
  margin-top:42px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-cat{padding:64px 0 58px;}
  .rule-grid,.route-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-wrap{grid-template-columns:1fr;gap:34px;}
  .cta-band{grid-template-columns:1fr;padding:42px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-grid > div:first-child{grid-column:1/-1;}
  .section{padding:62px 0;}
}
@media (max-width:992px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:linear-gradient(180deg,#1a1f3d,#232a52);
    border:1px solid rgba(255,255,255,.14);
    border-radius:14px;padding:14px;
    box-shadow:0 22px 44px rgba(6,10,28,.5);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;}
  .nav-link.is-active::after{left:14px;right:auto;width:26px;bottom:6px;}
  .nav-cta{display:none;}
  .header-inner{gap:14px;}
}
@media (max-width:768px){
  .hero-cat h1{font-size:26px;}
  .hero-cat .hero-lead{font-size:15px;}
  .rule-grid,.route-grid,.news-grid,.miss-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
  .flow-item{grid-template-columns:1fr;gap:14px;}
  .flow-step{width:46px;height:46px;font-size:16px;}
  .cta-band{padding:34px 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text em{display:none;}
}
@media (max-width:520px){
  .shell{padding:0 15px;}
  .section{padding:50px 0;}
  .hero-cat{padding:52px 0 48px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{padding:20px 18px;}
  .panel-num{font-size:19px;}
  .rule-card,.route-body,.news-card{padding:20px 18px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .faq-accordion .accordion-button{font-size:15px;padding:17px 18px;}
  .faq-accordion .accordion-body{padding:0 18px 18px;font-size:14.2px;}
}

/* roulang page: article */
:root{
 --navy:#1a1f3d;
 --navy-2:#232a52;
 --navy-3:#2c3468;
 --gold:#ffb400;
 --gold-2:#ffcc4d;
 --gold-deep:#b37d00;
 --ink:#161a2e;
 --text:#3a4060;
 --muted:#6b7290;
 --bg:#f4f6fb;
 --card:#ffffff;
 --line:#e3e7f2;
 --radius:12px;
 --radius-lg:16px;
 --shadow:0 6px 24px rgba(26,31,61,.08);
 --shadow-lg:0 16px 42px rgba(26,31,61,.16);
 --shell:1160px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.8;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;}
button{font-family:inherit;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}
/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:1000;
 background:linear-gradient(180deg,#1a1f3d 0%,#171c36 100%);
 border-bottom:1px solid rgba(255,180,0,.2);
 box-shadow:0 4px 20px rgba(10,14,32,.32);
}
.header-inner{
 display:flex;align-items:center;justify-content:space-between;
 gap:26px;min-height:74px;position:relative;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand-mark{
 width:40px;height:40px;border-radius:11px;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 color:#1a1f3d;display:grid;place-items:center;
 font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text strong{font-size:17px;letter-spacing:.5px;color:#fff;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:1.8px;color:rgba(255,255,255,.5);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
 position:relative;display:inline-block;
 padding:9px 15px;border-radius:9px;
 font-size:15px;color:rgba(255,255,255,.75);
 transition:background .2s ease,color .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.14);font-weight:600;}
.nav-link.is-active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
 border-radius:2px;background:var(--gold);
}
.nav-cta{
 display:inline-flex;align-items:center;gap:7px;
 padding:10px 21px;border-radius:10px;
 font-size:14px;font-weight:700;color:#1a1f3d;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 box-shadow:0 9px 22px rgba(255,180,0,.3);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44);color:#1a1f3d;}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid rgba(255,255,255,.24);
 background:rgba(255,255,255,.06);color:#fff;font-size:20px;
 align-items:center;justify-content:center;cursor:pointer;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 27px;border-radius:10px;
 font-size:15px;font-weight:700;line-height:1.4;
 border:1px solid transparent;cursor:pointer;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffb400,#ffcc4d);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.34);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.46);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:var(--gold);color:#fff;}
/* ---------- Page hero ---------- */
.page-hero{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#1a1f3d 0%,#232a52 52%,#2c3468 100%);
 color:#fff;padding:52px 0 92px;
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 opacity:.2;filter:saturate(.85);
}
.page-hero::after{
 content:"";position:absolute;left:-8%;right:-8%;bottom:-62px;height:124px;
 background:var(--bg);transform:rotate(-2.2deg);transform-origin:center;
}
.page-hero .shell{position:relative;z-index:3;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--gold-2);}
.crumb .sep{opacity:.45;}
.crumb .now{color:rgba(255,255,255,.55);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;letter-spacing:.6px;
 color:var(--gold-2);background:rgba(255,180,0,.13);
 border:1px solid rgba(255,180,0,.42);
}
.page-hero h1{
 font-size:clamp(24px,3.4vw,38px);
 line-height:1.36;font-weight:800;letter-spacing:.4px;
 color:#fff;margin:16px 0 18px;max-width:920px;
 text-shadow:0 4px 20px rgba(0,0,0,.32);
}
.hero-lead{
 max-width:820px;margin:0 0 24px;
 font-size:15.5px;line-height:1.95;
 color:rgba(255,255,255,.82);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:rgba(255,255,255,.68);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--gold-2);font-size:14px;}
/* ---------- Article layout ---------- */
.article-wrap{padding:58px 0 76px;position:relative;z-index:4;}
.article-layout{
 display:grid;
 grid-template-columns:minmax(0,720px) 300px;
 gap:34px;justify-content:center;align-items:start;
}
.article-card{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow);
 padding:34px 38px;
}
.article-cover{
 border-radius:var(--radius-lg);overflow:hidden;margin:0 0 28px;
 box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.prose{font-size:16px;line-height:1.95;color:var(--text);}
.prose > *:first-child{margin-top:0;}
.prose h2{
 font-size:22px;line-height:1.5;color:var(--navy);font-weight:800;
 margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--gold);
}
.prose h3{
 font-size:18px;color:var(--navy-2);font-weight:700;
 margin:30px 0 12px;
}
.prose p{margin:0 0 18px;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px;}
.prose li{margin-bottom:9px;}
.prose strong{color:var(--navy);}
.prose a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:#8a6000;}
.prose img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow);}
.prose blockquote{
 margin:26px 0;padding:16px 22px;
 border-left:4px solid var(--gold);
 background:#fff8e6;border-radius:0 10px 10px 0;
 color:#4b5170;
}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.prose th{background:#f1f4fc;color:var(--navy);font-weight:700;}
.prose hr{border:0;border-top:1px dashed var(--line);margin:30px 0;}
/* ---------- Sidebar ---------- */
.side-card{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow);
 padding:22px 22px 20px;margin-bottom:20px;
}
.side-title{
 display:flex;align-items:center;gap:8px;
 font-size:15px;font-weight:800;color:var(--navy);
 margin:0 0 14px;
}
.side-title i{color:var(--gold-deep);font-size:15px;}
.meta-list{list-style:none;margin:0;padding:0;font-size:14px;}
.meta-list li{
 display:flex;justify-content:space-between;gap:14px;
 padding:10px 0;border-bottom:1px dashed var(--line);
}
.meta-list li:last-child{border-bottom:0;padding-bottom:0;}
.meta-list span{color:var(--muted);flex-shrink:0;}
.meta-list strong{color:var(--navy);font-weight:600;text-align:right;word-break:break-word;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag{
 display:inline-block;padding:5px 12px;border-radius:999px;
 font-size:12.5px;color:var(--navy-2);
 background:#f2f5fc;border:1px solid var(--line);
 transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag:hover{background:#fff5db;border-color:rgba(255,180,0,.5);color:var(--gold-deep);}
.side-note{
 font-size:13.5px;line-height:1.85;color:var(--muted);margin:0;
}
.side-note strong{color:var(--navy);}
/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative;}
.section-alt{background:#fff;}
.section-tint{background:linear-gradient(180deg,#eef1f9,#f7f9fd);}
.section-dark{background:linear-gradient(160deg,#1a1f3d 0%,#232a52 58%,#2b3363 100%);color:rgba(255,255,255,.8);}
.section-dark h2{color:#fff;}
.section-dark p{color:rgba(255,255,255,.74);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:2px;
 color:var(--gold-deep);margin-bottom:12px;
}
.eyebrow::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#ffb400,#ffcc4d);
}
.section-dark .eyebrow{color:var(--gold-2);}
.sec-head h2{
 font-size:clamp(22px,2.6vw,30px);line-height:1.45;font-weight:800;
 color:var(--navy);margin:0 0 12px;
}
.sec-head p{margin:0;font-size:15px;line-height:1.9;color:var(--muted);}
/* ---------- Observation cards ---------- */
.obs-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.obs-card{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px;
 box-shadow:var(--shadow);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.obs-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45);}
.obs-num{
 display:inline-grid;place-items:center;
 width:40px;height:40px;border-radius:11px;
 font-weight:800;font-size:16px;color:var(--navy);
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 box-shadow:0 8px 18px rgba(255,180,0,.28);
 margin-bottom:16px;
}
.obs-card h3{font-size:17px;font-weight:800;color:var(--navy);margin:0 0 10px;}
.obs-card p{margin:0;font-size:14.5px;line-height:1.85;color:var(--text);}
.obs-card.is-dark{background:linear-gradient(150deg,#1a1f3d,#2c3468);border-color:rgba(255,180,0,.32);}
.obs-card.is-dark h3{color:#fff;}
.obs-card.is-dark p{color:rgba(255,255,255,.76);}
/* ---------- Post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
 display:flex;flex-direction:column;overflow:hidden;
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45);}
.post-thumb{overflow:hidden;background:#e8ecf6;}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.post-body h3{
 font-size:16.5px;font-weight:800;color:var(--navy);
 line-height:1.55;margin:0 0 10px;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
 font-size:14px;line-height:1.8;color:var(--muted);
 margin:0 0 16px;flex:1;
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{
 display:inline-flex;align-items:center;gap:6px;
 font-size:13.5px;font-weight:700;color:var(--gold-deep);
}
.post-card:hover .post-more{color:#8a6000;}
/* ---------- Channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.channel-card{
 position:relative;display:block;overflow:hidden;
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px 24px;
 box-shadow:var(--shadow);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card::after{
 content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
 background:linear-gradient(180deg,#ffb400,#ffcc4d);
 opacity:0;transition:opacity .24s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45);}
.channel-card:hover::after{opacity:1;}
.channel-card .ch-icon{
 display:inline-grid;place-items:center;width:44px;height:44px;
 border-radius:12px;background:#f2f5fc;color:var(--navy-3);
 font-size:20px;margin-bottom:14px;
 transition:background .24s ease,color .24s ease;
}
.channel-card:hover .ch-icon{background:rgba(255,180,0,.16);color:var(--gold-deep);}
.channel-card h3{font-size:17px;font-weight:800;color:var(--navy);margin:0 0 9px;}
.channel-card p{margin:0 0 16px;font-size:14px;line-height:1.82;color:var(--muted);}
.channel-card .ch-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--gold-deep);}
/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow);
 overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-lg);}
.faq-item summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;
 font-size:15.5px;font-weight:700;color:var(--navy);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\F4FE";
 font-family:"bootstrap-icons";font-size:15px;color:var(--gold-deep);
 transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.9;color:var(--text);border-top:1px dashed var(--line);padding-top:16px;margin-top:2px;}
/* ---------- CTA band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#1a1f3d 0%,#232a52 60%,#2c3468 100%);
 border-radius:var(--radius-lg);padding:44px 46px;
 box-shadow:var(--shadow-lg);color:#fff;
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-6.webp') center/cover no-repeat;
 opacity:.16;
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;color:#fff;margin:0 0 12px;line-height:1.45;}
.cta-inner p{margin:0;color:rgba(255,255,255,.78);font-size:15px;line-height:1.9;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input[type="email"]{
 flex:1 1 200px;min-width:0;
 padding:13px 16px;border-radius:10px;
 border:1px solid rgba(255,255,255,.28);
 background:rgba(255,255,255,.1);color:#fff;font-size:14.5px;
}
.sub-form input[type="email"]::placeholder{color:rgba(255,255,255,.55);}
.sub-form input[type="email"]:focus{background:rgba(255,255,255,.16);border-color:var(--gold);outline:none;}
.form-note{margin:10px 0 0;font-size:12.5px;color:rgba(255,255,255,.6);min-height:18px;}
/* ---------- Assure strip ---------- */
.assure{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:44px;}
.assure-item{
 display:flex;align-items:flex-start;gap:12px;
 padding:18px 20px;border-radius:var(--radius);
 background:#f7f9fd;border:1px solid var(--line);
}
.assure-item i{color:var(--gold-deep);font-size:19px;line-height:1.2;margin-top:2px;}
.assure-item strong{display:block;font-size:14.5px;color:var(--navy);margin-bottom:4px;}
.assure-item span{font-size:13.5px;color:var(--muted);line-height:1.75;}
/* ---------- Empty state ---------- */
.empty-state{
 max-width:640px;margin:0 auto;text-align:center;
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:52px 34px;box-shadow:var(--shadow);
}
.empty-state i{font-size:40px;color:var(--gold-deep);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--navy);margin:0 0 12px;}
.empty-state p{color:var(--muted);font-size:15px;margin:0 0 24px;}
/* ---------- Footer ---------- */
.site-footer{
 background:linear-gradient(180deg,#171c36 0%,#12162b 100%);
 color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:0;
 border-top:1px solid rgba(255,180,0,.18);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.5px;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);margin:0;max-width:420px;}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin:0 0 16px;letter-spacing:.6px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.6);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px);}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(255,255,255,.45);
}
/* ---------- Responsive ---------- */
@media (max-width:1080px){
 .article-layout{grid-template-columns:minmax(0,1fr);}
 .side-card{max-width:none;}
 .cta-inner{grid-template-columns:1fr;}
}
@media (max-width:980px){
 .main-nav{
  position:absolute;top:100%;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#191e38;padding:12px;
  border-radius:0 0 14px 14px;
  box-shadow:0 20px 34px rgba(8,12,28,.5);
  display:none;
 }
 .main-nav.is-open{display:flex;}
 .nav-link{padding:11px 14px;}
 .nav-link.is-active::after{display:none;}
 .nav-toggle{display:inline-flex;}
 .nav-cta{display:none;}
 .obs-grid,.post-grid,.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-grid > div:first-child{grid-column:1 / -1;}
}
@media (max-width:768px){
 .header-inner{min-height:66px;gap:12px;}
 .brand-text em{display:none;}
 .page-hero{padding:40px 0 78px;}
 .hero-lead{font-size:15px;}
 .article-wrap{padding:44px 0 60px;}
 .section{padding:56px 0;}
 .article-card{padding:24px 22px;}
 .cta-band{padding:32px 24px;}
 .assure{grid-template-columns:1fr;margin-top:32px;}
 .obs-grid,.post-grid,.channel-grid{grid-template-columns:1fr;}
 .prose h2{font-size:20px;}
 .sec-head{margin-bottom:28px;}
}
@media (max-width:520px){
 .shell{padding:0 16px;}
 .page-hero h1{font-size:23px;}
 .hero-meta{gap:8px 16px;font-size:12.5px;}
 .crumb .now{max-width:200px;}
 .article-card{padding:20px 18px;}
 .side-card{padding:18px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
 .faq-item summary{padding:15px 18px;font-size:14.5px;}
 .faq-body{padding:0 18px 18px;padding-top:14px;}
 .btn{width:100%;}
 .sub-form{flex-direction:column;}
 .sub-form input[type="email"]{width:100%;}
}

/* roulang page: category2 */
:root{
 --navy:#1a1f3d;
 --navy-2:#232a52;
 --navy-3:#2c3468;
 --gold:#ffb400;
 --gold-2:#ffcc4d;
 --gold-deep:#b37d00;
 --ink:#161a2e;
 --text:#3a4060;
 --muted:#6b7290;
 --bg:#f4f6fb;
 --card:#ffffff;
 --line:#e3e7f2;
 --radius:12px;
 --radius-lg:16px;
 --shadow:0 6px 24px rgba(26,31,61,.08);
 --shadow-lg:0 16px 42px rgba(26,31,61,.16);
 --shell:1160px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.2px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}

/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:1000;
 background:linear-gradient(180deg,#1a1f3d 0%,#171c36 100%);
 border-bottom:1px solid rgba(255,180,0,.2);
 box-shadow:0 4px 20px rgba(10,14,32,.32);
}
.header-inner{
 display:flex;align-items:center;justify-content:space-between;
 gap:26px;min-height:74px;position:relative;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand-mark{
 width:40px;height:40px;border-radius:11px;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 color:#1a1f3d;display:grid;place-items:center;
 font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text strong{font-size:17px;letter-spacing:.5px;color:#fff;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:1.8px;color:rgba(255,255,255,.5);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
 position:relative;display:inline-block;
 padding:9px 15px;border-radius:9px;
 font-size:15px;color:rgba(255,255,255,.75);
 transition:background .2s ease,color .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.14);font-weight:600;}
.nav-link.is-active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
 border-radius:2px;background:var(--gold);
}
.nav-cta{
 display:inline-flex;align-items:center;gap:7px;
 padding:10px 21px;border-radius:10px;
 font-size:14px;font-weight:700;color:#1a1f3d;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 box-shadow:0 9px 22px rgba(255,180,0,.3);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44);color:#1a1f3d;}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid rgba(255,255,255,.24);
 background:rgba(255,255,255,.06);color:#fff;font-size:20px;
 align-items:center;justify-content:center;cursor:pointer;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}

/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 27px;border-radius:10px;
 font-size:15px;font-weight:700;line-height:1.4;
 border:1px solid transparent;cursor:pointer;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffb400,#ffcc4d);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.34);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.46);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:var(--gold);color:#fff;}
.btn-dark{background:var(--navy);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24);}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff;}
.btn:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,.faq-item summary:focus-visible{
 outline:3px solid rgba(255,180,0,.55);outline-offset:2px;
}

/* ---------- Hero ---------- */
.hero{
 position:relative;overflow:hidden;
 background:#141831;color:#fff;
 padding:86px 0 92px;
}
.hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 opacity:.34;filter:saturate(.9);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(880px 440px at 12% -6%,rgba(255,180,0,.24),transparent 62%),
 radial-gradient(600px 380px at 92% 110%,rgba(86,132,255,.22),transparent 66%),
 linear-gradient(180deg,rgba(15,18,38,.74) 0%,rgba(15,18,38,.95) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px;border-radius:999px;
 font-size:13px;letter-spacing:1px;
 color:var(--gold-2);
 background:rgba(255,180,0,.12);
 border:1px solid rgba(255,180,0,.4);
 margin-bottom:22px;
}
.hero h1{
 color:#fff;
 font-size:clamp(28px,3.6vw,44px);
 line-height:1.28;
 letter-spacing:.5px;
 margin-bottom:20px;
 text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.hero h1 span{color:var(--gold-2);}
.hero-lead{
 font-size:16px;line-height:1.95;
 color:rgba(255,255,255,.82);
 margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
 gap:14px;
}
.hero-stat{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);
 padding:15px 18px;
 backdrop-filter:blur(6px);
 transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.hero-stat:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);transform:translateY(-3px);}
.hero-stat strong{display:block;font-size:24px;color:var(--gold-2);line-height:1.2;font-weight:800;}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.68);}
/* 斜向错位图组 */
.hero-visual{position:relative;min-height:400px;padding:10px 0 0 0;}
.hero-shot{
 margin:0;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.2);
 box-shadow:0 24px 60px rgba(6,9,24,.55);
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot-main{
 width:84%;margin-left:auto;transform:rotate(-3deg);
 aspect-ratio:16/10;
}
.hero-shot-main img{height:100%;}
.hero-shot-sub{
 position:absolute;left:0;bottom:2%;
 width:50%;transform:rotate(4.5deg);
 border:3px solid rgba(255,180,0,.55);
 aspect-ratio:4/3;
}
.hero-shot-sub img{height:100%;}
.hero-float{
 position:absolute;right:2%;top:-6px;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 color:#1a1f3d;border-radius:12px;
 padding:10px 16px;font-size:13px;font-weight:800;
 box-shadow:0 16px 34px rgba(255,180,0,.4);
 display:inline-flex;align-items:center;gap:8px;
}

/* ---------- Section basics ---------- */
.section{padding:76px 0;position:relative;}
.section-alt{background:#fff;}
.section-tint{background:linear-gradient(180deg,#eef1f9,#f6f8fc);}
.section-dark{background:linear-gradient(160deg,#1a1f3d 0%,#232a52 60%,#2a3260 100%);color:rgba(255,255,255,.8);}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}
.section-dark p{color:rgba(255,255,255,.74);}
.section + .section{border-top:1px solid rgba(26,31,61,.05);}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:2px;
 color:var(--gold-deep);text-transform:uppercase;
 margin-bottom:14px;
}
.eyebrow::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#ffb400,#ffcc4d);
}
.section-dark .eyebrow{color:var(--gold-2);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(23px,2.6vw,33px);line-height:1.36;margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.9;margin:0;}
.section-dark .sec-head p{color:rgba(255,255,255,.72);}

/* ---------- Cards ---------- */
.feature-card{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px;height:100%;
 box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.feature-card h3{font-size:18px;margin-bottom:10px;}
.feature-card p{font-size:14.5px;line-height:1.88;color:var(--text);margin:0;}
.icon-badge{
 width:46px;height:46px;border-radius:13px;
 display:grid;place-items:center;font-size:20px;
 color:var(--gold-deep);background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.28);
 margin-bottom:16px;
}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:700;letter-spacing:.4px;
 color:var(--gold-deep);background:rgba(255,180,0,.13);
 border:1px solid rgba(255,180,0,.28);
}
.tag-light{color:var(--navy);background:rgba(26,31,61,.06);border-color:rgba(26,31,61,.12);}
.section-dark .tag{color:var(--gold-2);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.32);}

/* ---------- Phases ---------- */
.phase-list{display:grid;gap:18px;}
.phase-card{
 display:grid;grid-template-columns:88px 1fr;gap:24px;
 background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 28px;
 box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.phase-card:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45);}
.phase-num{
 font-size:30px;font-weight:800;color:var(--navy);
 background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,204,77,.32));
 border:1px solid rgba(255,180,0,.4);
 border-radius:14px;display:grid;place-items:center;
 height:78px;line-height:1;
}
.phase-num small{display:block;font-size:11px;font-weight:700;letter-spacing:1px;color:var(--gold-deep);margin-top:4px;}
.phase-card h3{font-size:18.5px;margin-bottom:8px;}
.phase-card p{font-size:14.5px;line-height:1.9;margin:0 0 10px;color:var(--text);}
.phase-points{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:38px;}
.metric{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;
 transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);}
.metric strong{display:block;font-size:28px;font-weight:800;color:var(--gold-2);line-height:1.2;margin-bottom:6px;}
.metric span{font-size:13px;color:rgba(255,255,255,.7);}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.quote-card{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:24px;
 transition:border-color .25s ease,background .25s ease;
}
.quote-card:hover{border-color:rgba(255,180,0,.5);background:rgba(255,255,255,.1);}
.quote-card p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.82);margin:0 0 16px;}
.quote-user{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);}
.quote-user i{color:var(--gold-2);font-size:16px;}

/* ---------- Split / Compare ---------- */
.split-visual{
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow);
 background:#fff;
}
.split-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.scene-list{display:grid;gap:14px;}
.scene-item{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:18px 20px;
 box-shadow:var(--shadow);
 transition:transform .22s ease,border-color .22s ease;
}
.scene-item:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.5);}
.scene-item i{color:var(--gold-deep);font-size:18px;line-height:1.6;}
.scene-item h3{font-size:16px;margin-bottom:4px;}
.scene-item p{font-size:14px;line-height:1.82;color:var(--muted);margin:0;}

.compare-list{display:grid;gap:14px;}
.compare-row{
 display:grid;grid-template-columns:1fr 1fr;gap:0;
 background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow);
}
.compare-cell{padding:20px 22px;font-size:14.5px;line-height:1.85;}
.compare-cell strong{display:block;font-size:13px;letter-spacing:1px;margin-bottom:6px;}
.compare-bad{background:rgba(214,69,69,.05);border-right:1px solid var(--line);}
.compare-bad strong{color:#b4413f;}
.compare-good strong{color:var(--gold-deep);}

/* ---------- News ---------- */
.news-card{
 display:flex;flex-direction:column;gap:10px;
 background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:24px;height:100%;
 box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.news-card h3{font-size:16.5px;line-height:1.6;margin:0;}
.news-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0;flex:1;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);padding-top:10px;border-top:1px dashed var(--line);}
.news-empty{
 background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
 padding:34px;text-align:center;color:var(--muted);font-size:15px;
}

/* ---------- Channel ---------- */
.channel-card{
 display:block;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px;height:100%;
 box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);}
.channel-card h3{font-size:17.5px;margin-bottom:8px;}
.channel-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 14px;}
.channel-card span{font-size:13px;font-weight:700;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px;}

/* ---------- FAQ ---------- */
.faq-item{
 background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
 box-shadow:var(--shadow);
 transition:border-color .22s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.5);}
.faq-item summary{
 cursor:pointer;list-style:none;
 padding:18px 22px;font-weight:700;color:var(--ink);font-size:15.5px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";color:var(--gold-deep);font-size:20px;font-weight:800;line-height:1;
}
.faq-item[open] summary::after{content:"\2212";}
.faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.92;color:var(--text);}

/* ---------- CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:46px 44px;
 background:linear-gradient(125deg,#1a1f3d 0%,#262e5c 55%,#333c74 100%);
 color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
 border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.5vw,30px);margin-bottom:12px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.9;max-width:640px;margin:0 0 24px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.subscribe-line{display:flex;flex-wrap:wrap;gap:12px;max-width:520px;position:relative;z-index:1;}
.subscribe-line input{
 flex:1 1 240px;min-width:0;
 padding:13px 16px;border-radius:10px;
 border:1px solid rgba(255,255,255,.28);
 background:rgba(255,255,255,.08);
 color:#fff;font-size:14.5px;
}
.subscribe-line input::placeholder{color:rgba(255,255,255,.5);}
.subscribe-line input:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.14);}
.form-tip{font-size:13px;color:rgba(255,255,255,.58);margin:12px 0 0;position:relative;z-index:1;}

/* ---------- Footer ---------- */
.site-footer{
 background:#141831;color:rgba(255,255,255,.7);
 padding:58px 0 26px;
}
.footer-grid{
 display:grid;grid-template-columns:1.7fr 1fr 1fr;
 gap:42px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.92;color:rgba(255,255,255,.6);max-width:430px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px);}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
 margin-top:36px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .main-nav{gap:0;}
 .nav-link{padding:9px 11px;font-size:14px;}
 .hero-visual{min-height:340px;margin-top:16px;}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .quote-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .main-nav{
  display:none;position:absolute;left:0;right:0;top:100%;
  flex-direction:column;align-items:stretch;gap:6px;
  background:#1a1f3d;border-top:1px solid rgba(255,255,255,.1);
  padding:14px 16px 18px;box-shadow:0 18px 34px rgba(8,11,26,.5);
  border-radius:0 0 14px 14px;
 }
 .main-nav.is-open{display:flex;}
 .nav-link{padding:11px 12px;font-size:15px;}
 .nav-link.is-active::after{display:none;}
 .nav-cta{display:none;}
}
@media (max-width:768px){
 .hero{padding:64px 0 68px;}
 .hero-visual{min-height:0;padding-bottom:34px;}
 .hero-shot-main{width:100%;transform:rotate(-2deg);}
 .hero-shot-sub{position:relative;left:auto;bottom:auto;width:64%;margin:-34px 0 0 0;transform:rotate(3deg);}
 .hero-float{right:0;top:-14px;font-size:12px;padding:8px 13px;}
 .hero-stats{grid-template-columns:1fr;max-width:100%;}
 .section{padding:58px 0;}
 .phase-card{grid-template-columns:64px 1fr;gap:16px;padding:22px;}
 .phase-num{height:64px;font-size:22px;}
 .compare-row{grid-template-columns:1fr;}
 .compare-bad{border-right:0;border-bottom:1px solid var(--line);}
 .cta-band{padding:34px 24px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
 .shell{padding:0 16px;}
 .header-inner{min-height:64px;gap:12px;}
 .brand-mark{width:36px;height:36px;font-size:17px;}
 .brand-text strong{font-size:15px;}
 .brand-text em{font-size:10px;letter-spacing:1.2px;}
 .hero h1{font-size:25px;}
 .hero-lead{font-size:15px;}
 .hero-actions .btn{width:100%;}
 .metric-grid{grid-template-columns:1fr;}
 .hero-shot-sub{width:74%;}
 .section{padding:48px 0;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
 --navy:#1a1f3d;
 --navy-2:#232a52;
 --navy-3:#2c3468;
 --gold:#ffb400;
 --gold-2:#ffcc4d;
 --gold-deep:#b37d00;
 --ink:#161a2e;
 --text:#3a4060;
 --muted:#6b7290;
 --bg:#f4f6fb;
 --card:#ffffff;
 --line:#e3e7f2;
 --radius:12px;
 --radius-lg:16px;
 --shadow:0 6px 24px rgba(26,31,61,.08);
 --shadow-lg:0 16px 42px rgba(26,31,61,.16);
 --shell:1160px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.2px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}
a:focus-visible,button:focus-visible,input:focus-visible{
 outline:3px solid rgba(255,180,0,.55);outline-offset:2px;border-radius:6px;
}
/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:1000;
 background:linear-gradient(180deg,#1a1f3d 0%,#171c36 100%);
 border-bottom:1px solid rgba(255,180,0,.2);
 box-shadow:0 4px 20px rgba(10,14,32,.32);
}
.header-inner{
 display:flex;align-items:center;justify-content:space-between;
 gap:26px;min-height:74px;position:relative;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand-mark{
 width:40px;height:40px;border-radius:11px;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 color:#1a1f3d;display:grid;place-items:center;
 font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text strong{font-size:17px;letter-spacing:.5px;color:#fff;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:1.8px;color:rgba(255,255,255,.5);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
 position:relative;display:inline-block;
 padding:9px 15px;border-radius:9px;
 font-size:15px;color:rgba(255,255,255,.75);
 transition:background .2s ease,color .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.14);font-weight:600;}
.nav-link.is-active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
 border-radius:2px;background:var(--gold);
}
.nav-cta{
 display:inline-flex;align-items:center;gap:7px;
 padding:10px 21px;border-radius:10px;
 font-size:14px;font-weight:700;color:#1a1f3d;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 box-shadow:0 9px 22px rgba(255,180,0,.3);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44);color:#1a1f3d;}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid rgba(255,255,255,.24);
 background:rgba(255,255,255,.06);color:#fff;font-size:20px;
 align-items:center;justify-content:center;cursor:pointer;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 27px;border-radius:10px;
 font-size:15px;font-weight:700;line-height:1.4;
 border:1px solid transparent;cursor:pointer;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffb400,#ffcc4d);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.34);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.46);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:var(--gold);color:#fff;}
.btn-dark{background:var(--navy);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24);}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#141831;color:#fff;padding:66px 0 74px;}
.page-hero .hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.34;filter:saturate(.9);
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(860px 440px at 8% -10%,rgba(255,180,0,.24),transparent 62%),
 linear-gradient(180deg,rgba(15,18,38,.76) 0%,rgba(15,18,38,.95) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px;border-radius:999px;
 font-size:13px;letter-spacing:1px;
 color:var(--gold-2);
 background:rgba(255,180,0,.12);
 border:1px solid rgba(255,180,0,.4);
 margin-bottom:20px;
}
.page-hero h1{
 color:#fff;font-size:clamp(27px,3.6vw,44px);line-height:1.26;
 margin:0 0 20px;text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.page-hero h1 span{color:var(--gold-2);}
.hero-lead{font-size:16px;line-height:1.95;color:rgba(255,255,255,.82);margin-bottom:30px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:640px;}
.hero-stat{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:15px 18px;
 transition:border-color .22s ease,background .22s ease;
}
.hero-stat:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);}
.hero-stat strong{display:block;font-size:24px;color:var(--gold-2);line-height:1.2;font-weight:800;}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.68);}
/* live card */
.live-card{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-lg);
 backdrop-filter:blur(8px);
}
.live-cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.live-cover img{width:100%;height:100%;object-fit:cover;}
.live-cover::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(15,18,38,0) 40%,rgba(15,18,38,.82) 100%);
}
.live-tag{
 position:absolute;top:12px;left:12px;z-index:2;
 display:inline-flex;align-items:center;gap:7px;
 padding:5px 12px;border-radius:999px;
 font-size:12px;font-weight:700;color:#1a1f3d;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 box-shadow:0 8px 18px rgba(255,180,0,.35);
}
.live-tag .dot{width:7px;height:7px;border-radius:50%;background:#1a1f3d;animation:blink 1.4s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}
.live-body{padding:20px 22px 22px;}
.live-body h3{color:#fff;font-size:17px;margin-bottom:6px;}
.live-body .live-sub{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:16px;}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:16px;}
.cd-cell{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:10px;text-align:center;padding:10px 4px;}
.cd-cell b{display:block;font-size:21px;font-weight:800;color:var(--gold-2);line-height:1.2;font-variant-numeric:tabular-nums;}
.cd-cell span{font-size:11px;color:rgba(255,255,255,.6);}
.live-card .btn{width:100%;}
/* ---------- Section basics ---------- */
.section{padding:72px 0;position:relative;}
.section-alt{background:#fff;}
.section-tint{background:linear-gradient(180deg,#eef1f9,#f6f8fc);}
.section-dark{background:linear-gradient(160deg,#1a1f3d 0%,#232a52 60%,#2a3260 100%);color:rgba(255,255,255,.82);}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .sec-head p{color:rgba(255,255,255,.72);}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:2px;
 color:var(--gold-deep);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#ffb400,#ffcc4d);}
.section-dark .eyebrow{color:var(--gold-2);}
.sec-head{max-width:740px;margin-bottom:42px;}
.sec-head h2{font-size:clamp(22px,2.5vw,31px);color:var(--navy);font-weight:800;line-height:1.36;margin:12px 0 14px;}
.sec-head p{color:var(--muted);font-size:15.5px;}
.split{display:grid;grid-template-columns:.86fr 1.14fr;gap:46px;align-items:start;}
.split .sec-head{margin-bottom:0;}
/* ---------- Cards ---------- */
.card-base{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-base:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.thumb{border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;aspect-ratio:16/10;background:#e9edf7;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card-base:hover .thumb img,.build-item:hover .thumb img,.channel-card:hover .thumb img{transform:scale(1.05);}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:600;
 color:var(--gold-deep);background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.3);
}
.tag-soft{color:var(--navy-2);background:rgba(35,42,82,.07);border-color:rgba(35,42,82,.14);}
/* principle */
.principle{
 display:flex;gap:18px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);
 margin-bottom:16px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.principle:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.principle-no{
 flex:0 0 46px;height:46px;border-radius:12px;
 background:linear-gradient(135deg,#1a1f3d,#2c3468);
 color:var(--gold-2);display:grid;place-items:center;
 font-weight:800;font-size:17px;
}
.principle h3{font-size:17px;color:var(--navy);margin-bottom:6px;}
.principle p{font-size:14.5px;color:var(--muted);margin:0;}
/* item cards */
.item-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.item-card{overflow:hidden;display:flex;flex-direction:column;}
.item-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.item-body h3{font-size:16.5px;color:var(--navy);}
.item-body p{font-size:14px;color:var(--muted);margin:0;flex:1;}
.item-meta{font-size:12.5px;color:var(--gold-deep);font-weight:700;}
/* build items */
.build-item{
 display:grid;grid-template-columns:300px 1fr;gap:0;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);overflow:hidden;margin-bottom:22px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.build-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.build-item .thumb{border-radius:0;aspect-ratio:auto;min-height:210px;height:100%;}
.build-body{padding:26px 28px;display:flex;flex-direction:column;gap:12px;}
.build-body h3{font-size:19px;color:var(--navy);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.build-body p{font-size:14.8px;color:var(--muted);margin:0;}
.build-tags{display:flex;flex-wrap:wrap;gap:8px;}
.build-params{
 font-size:13.5px;color:var(--navy-2);
 background:#f6f8fd;border:1px dashed rgba(35,42,82,.2);
 border-radius:10px;padding:12px 16px;
}
.build-params strong{color:var(--gold-deep);}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow);position:relative;
 transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step .num{
 display:inline-grid;place-items:center;
 width:38px;height:38px;border-radius:11px;
 font-weight:800;font-size:15px;color:#1a1f3d;
 background:linear-gradient(135deg,#ffb400,#ffcc4d);
 box-shadow:0 8px 18px rgba(255,180,0,.3);
 margin-bottom:14px;
}
.step h3{font-size:16px;color:var(--navy);margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);margin:0;}
/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:34px;}
.stat-card{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;
 transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.stat-card:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);transform:translateY(-3px);}
.stat-card strong{display:block;font-size:30px;font-weight:800;color:var(--gold-2);line-height:1.15;}
.stat-card span{font-size:13px;color:rgba(255,255,255,.66);}
.stat-note{
 border-left:3px solid var(--gold);
 background:rgba(255,255,255,.05);
 border-radius:0 var(--radius) var(--radius) 0;
 padding:20px 24px;font-size:15px;color:rgba(255,255,255,.78);
}
/* faq */
.faq-acc .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;margin-bottom:14px;background:#fff;box-shadow:var(--shadow);
}
.faq-acc .accordion-button{
 font-weight:700;color:var(--navy);background:#fff;
 font-size:16px;padding:18px 20px;line-height:1.6;
 box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
 color:var(--navy);
 background:linear-gradient(90deg,rgba(255,180,0,.16),rgba(255,180,0,0));
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(255,180,0,.28);border-color:transparent;}
.faq-acc .accordion-button::after{
 background-image:none;
 content:"\F282";
 font-family:"bootstrap-icons";
 font-size:16px;color:var(--gold-deep);
 transition:transform .25s ease;
 width:auto;height:auto;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-acc .accordion-body{color:var(--text);font-size:14.8px;line-height:1.9;padding:2px 20px 20px;}
/* channel */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{overflow:hidden;display:flex;flex-direction:column;position:relative;}
.channel-card .thumb{aspect-ratio:16/9;}
.channel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.channel-body h3{font-size:17px;color:var(--navy);}
.channel-body p{font-size:14px;color:var(--muted);margin:0;flex:1;}
.channel-link{font-size:14px;font-weight:700;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px;}
.channel-card:hover .channel-link{color:var(--navy);}
.channel-card.is-current{border-color:rgba(255,180,0,.65);box-shadow:0 14px 34px rgba(255,180,0,.18);}
/* cta band */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#1a1f3d 0%,#232a52 55%,#2d3572 100%);
 border-radius:var(--radius-lg);
 padding:44px 46px;
 box-shadow:var(--shadow-lg);
 border:1px solid rgba(255,180,0,.28);
}
.cta-band::before{
 content:"";position:absolute;inset:auto -60px -120px auto;width:340px;height:340px;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 65%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.cta-grid h2{color:#fff;font-size:clamp(21px,2.4vw,28px);margin-bottom:12px;line-height:1.4;}
.cta-grid p{color:rgba(255,255,255,.76);font-size:15px;margin:0;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.sub-form input[type=email]{
 flex:1 1 200px;min-width:0;
 border-radius:10px;border:1px solid rgba(255,255,255,.24);
 background:rgba(255,255,255,.08);color:#fff;
 padding:13px 16px;font-size:15px;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input[type=email]::placeholder{color:rgba(255,255,255,.5);}
.sub-form input[type=email]:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.24);}
.sub-tip{font-size:12.5px;color:rgba(255,255,255,.55);}
.sub-done{font-size:14px;color:var(--gold-2);font-weight:600;margin-top:10px;display:none;}
.sub-done.show{display:block;}
/* ---------- Footer ---------- */
.site-footer{background:#12162c;color:rgba(255,255,255,.68);padding:60px 0 0;border-top:1px solid rgba(255,180,0,.18);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:42px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:420px;margin:0;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.62);padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px);}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(255,255,255,.45);
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .item-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:1fr;gap:28px;}
 .cta-grid{grid-template-columns:1fr;gap:24px;}
 .build-item{grid-template-columns:1fr;}
 .build-item .thumb{min-height:200px;aspect-ratio:16/9;}
 .channel-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-about{max-width:none;}
}
@media (max-width:940px){
 .nav-toggle{display:inline-flex;}
 .nav-cta{display:none;}
 .main-nav{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:#1a1f3d;border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:12px;
  box-shadow:0 18px 40px rgba(8,11,26,.5);
  display:none;
 }
 .main-nav.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;}
 .nav-link.is-active::after{display:none;}
}
@media (max-width:768px){
 .section{padding:54px 0;}
 .page-hero{padding:48px 0 56px;}
 .hero-stats{grid-template-columns:1fr;max-width:none;}
 .hero-actions .btn{flex:1 1 auto;}
 .sec-head{margin-bottom:30px;}
 .cta-band{padding:30px 24px;}
 .footer-grid{grid-template-columns:1fr;padding-bottom:32px;}
 .build-body{padding:22px 20px;}
}
@media (max-width:520px){
 body{font-size:15.5px;}
 .shell{padding:0 16px;}
 .item-grid{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:1fr;}
 .countdown{grid-template-columns:repeat(2,minmax(0,1fr));}
 .hero-actions{flex-direction:column;}
 .hero-actions .btn{width:100%;}
 .sub-form .btn{width:100%;}
 .brand-text em{display:none;}
 .principle{flex-direction:column;gap:12px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}

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