/* roulang page: index */
:root{
  --brand:#1668e3;
  --brand-deep:#0d4bb0;
  --brand-2:#12b3a8;
  --accent:#f2a33c;
  --ink:#08182b;
  --text:#1d2b3b;
  --muted:#5f7085;
  --bg:#f4f8fd;
  --surface:#ffffff;
  --line:#e2ebf5;
  --line-soft:#eef4fb;
  --radius-xl:28px;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(13,45,88,.05);
  --shadow:0 12px 30px rgba(13,45,88,.09);
  --shadow-lg:0 24px 56px rgba(13,45,88,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
strong{font-weight:700;color:#0d3f7a}
:focus-visible{outline:3px solid rgba(22,104,227,.45);outline-offset:3px;border-radius:8px}

/* ---------- container ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / floating dock ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 0}
.dock{
  position:relative;
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid rgba(226,235,245,.95);
  border-radius:999px;
  padding:9px 10px 9px 18px;
  box-shadow:0 8px 26px rgba(13,45,88,.08);
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
  background:rgba(255,255,255,.97);
  box-shadow:0 16px 38px rgba(13,45,88,.16);
  border-color:#d9e6f5;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;color:var(--ink)}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 18px rgba(22,104,227,.34);
}
.brand-mark svg{width:20px;height:20px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav a:hover{color:var(--brand);background:rgba(22,104,227,.08)}
.nav a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 8px 18px rgba(22,104,227,.28);
}
.dock-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;
  font-size:14.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 22px rgba(22,104,227,.28);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.dock-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(22,104,227,.38)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#2b8cf5,#12a7c9);
  box-shadow:0 12px 26px rgba(22,104,227,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(22,104,227,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:#fff;background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.38);
}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{
  color:var(--brand);background:#fff;border-color:rgba(22,104,227,.28);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{transform:translateY(-2px);background:#f2f8ff;border-color:rgba(22,104,227,.5)}

/* ---------- hero ---------- */
.hero-outer{padding:22px 20px 0}
.hero{
  position:relative;isolation:isolate;
  max-width:var(--container);margin:0 auto;
  border-radius:var(--radius-xl);overflow:hidden;
  color:#fff;
  background:#06182b url('/assets/images/eedf1b28755314eb.webp') center/cover no-repeat;
  box-shadow:0 30px 70px rgba(6,24,43,.28);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(80% 60% at 22% 12%,rgba(18,179,168,.32),transparent 62%),
    radial-gradient(70% 70% at 82% 88%,rgba(22,104,227,.40),transparent 66%),
    linear-gradient(180deg,rgba(5,18,32,.84) 0%,rgba(5,18,32,.90) 48%,rgba(4,15,27,.96) 100%);
}
.hero-inner{max-width:880px;margin:0 auto;padding:84px 28px 72px;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px 7px 10px;border-radius:999px;
  font-size:13.5px;font-weight:600;letter-spacing:.4px;
  color:#d8ecff;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-badge i{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:#3ee0c4;box-shadow:0 0 0 4px rgba(62,224,196,.22);
}
.hero h1{
  margin:24px 0 0;
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.32;font-weight:800;letter-spacing:.4px;
  text-shadow:0 3px 20px rgba(0,0,0,.4);
}
.hero-sub{
  margin:22px auto 0;max-width:720px;
  font-size:16px;line-height:1.85;color:rgba(226,240,255,.9);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:52px;padding-top:34px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats li{text-align:center}
.hero-stats b{
  display:block;font-size:22px;font-weight:800;letter-spacing:.5px;
  color:#8fe6ff;
}
.hero-stats span{display:block;margin-top:4px;font-size:13px;color:rgba(214,232,250,.78)}

/* ---------- section base ---------- */
.section{padding:74px 0}
.section--muted{background:var(--line-soft)}
.section--white{background:#fff}
.section--deep{
  background:
    radial-gradient(60% 50% at 15% 0%,rgba(22,104,227,.30),transparent 62%),
    radial-gradient(60% 50% at 88% 100%,rgba(18,179,168,.28),transparent 62%),
    #08182b;
  color:#fff;
}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:800;letter-spacing:2px;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.section--deep .eyebrow{color:#7fd8ff}
.section h2{
  margin:14px 0 0;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.42;font-weight:800;color:var(--ink);letter-spacing:.2px;
}
.section--deep h2{color:#fff}
.section-desc{margin-top:16px;font-size:15.5px;color:var(--muted);line-height:1.82}
.section--deep .section-desc{color:rgba(214,232,250,.82)}

/* ---------- grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- cards ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.card-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;margin-bottom:16px;
  color:var(--brand);
  background:linear-gradient(135deg,rgba(22,104,227,.12),rgba(18,179,168,.14));
}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.5}
.card p{margin-top:10px;font-size:14.8px;color:var(--muted);line-height:1.78}

/* ---------- tag ---------- */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
  color:var(--brand-deep);background:rgba(22,104,227,.09);
}
.tag-teal{color:#0a8478;background:rgba(18,179,168,.13)}
.tag-gold{color:#a26310;background:rgba(242,163,60,.16)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- room cards ---------- */
.room-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.room-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.room-card figure{margin:0;position:relative;aspect-ratio:16/10;overflow:hidden;background:#0b2237}
.room-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.room-card:hover figure img{transform:scale(1.05)}
.room-card figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,20,36,0) 45%,rgba(6,20,36,.55) 100%);
}
.room-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.room-body h3{font-size:18px;font-weight:800;color:var(--ink)}
.room-body p{margin-top:10px;font-size:14.6px;color:var(--muted);line-height:1.78;flex:1}
.room-meta{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:#7c8da3;font-weight:600;
}
.room-meta b{color:var(--brand);font-size:14px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.6px;
  color:var(--brand-2);margin-bottom:12px;
}
.step h3{font-size:16.5px;font-weight:800;color:var(--ink)}
.step p{margin-top:9px;font-size:14.4px;color:var(--muted);line-height:1.76}

/* ---------- data table ---------- */
.data-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow);overflow:hidden;
}
.data-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.2fr 1.4fr;
  gap:16px;align-items:center;
  padding:18px 26px;border-bottom:1px solid var(--line-soft);
  transition:background .2s ease;
}
.data-row:last-child{border-bottom:0}
.data-row:hover{background:#f6faff}
.data-row.head{
  background:linear-gradient(135deg,#eef5ff,#eafaf7);
  font-size:13px;font-weight:800;letter-spacing:1px;color:#41546b;
}
.data-row .fish{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);font-size:15.5px}
.fish-dot{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:grid;place-items:center;font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.data-row .val{font-weight:800;color:var(--brand-deep)}
.data-row .txt{font-size:14.2px;color:var(--muted);line-height:1.7}

/* ---------- notes ---------- */
.note{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  border-top:3px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.note:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-top-color:var(--brand-2)}
.note h3{font-size:16.5px;font-weight:800;color:var(--ink)}
.note p{margin-top:12px;font-size:14.6px;color:var(--muted);line-height:1.8}
.note footer{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:#8293a8;font-weight:600;
}

/* ---------- reviews ---------- */
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.stars{display:flex;gap:3px;color:var(--accent);margin-bottom:14px}
.stars svg{width:16px;height:16px}
.review p{font-size:14.8px;color:#33465c;line-height:1.82;flex:1}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft)}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-weight:800;font-size:14px;color:#fff;
  background:linear-gradient(135deg,#2b8cf5,#12b3a8);
}
.reviewer b{display:block;font-size:14.5px;color:var(--ink)}
.reviewer span{display:block;font-size:12.5px;color:#8a9bb0}

/* ---------- audience ---------- */
.audience{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.aud-card{
  position:relative;border-radius:var(--radius-lg);
  padding:28px 22px;color:#fff;overflow:hidden;isolation:isolate;
  min-height:190px;display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(150deg,#123a6b,#0b2440);
  transition:transform .22s ease,box-shadow .22s ease;
}
.aud-card:nth-child(2){background:linear-gradient(150deg,#0f5a72,#0a2f43)}
.aud-card:nth-child(3){background:linear-gradient(150deg,#1d3f8a,#101f45)}
.aud-card:nth-child(4){background:linear-gradient(150deg,#14607a,#0d2a3d)}
.aud-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.aud-card h3{font-size:17px;font-weight:800}
.aud-card p{margin-top:9px;font-size:14px;line-height:1.72;color:rgba(219,236,250,.85)}

/* ---------- changelog ---------- */
.log{display:grid;gap:14px}
.log-item{
  display:grid;grid-template-columns:130px 1fr;gap:22px;
  padding:22px 26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.log-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.log-date{font-size:13.5px;font-weight:800;color:var(--brand);letter-spacing:.6px}
.log-item h3{font-size:16px;font-weight:800;color:var(--ink)}
.log-item p{margin-top:8px;font-size:14.4px;color:var(--muted);line-height:1.76}

/* ---------- channel wall ---------- */
.channel{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:#0b2237;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  min-height:270px;
}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#bcd7f2}
.channel img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;z-index:-2;transition:transform .4s ease}
.channel:hover img{transform:scale(1.06)}
.channel::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(6,20,36,.25) 0%,rgba(6,20,36,.88) 72%);
}
.channel-body{position:absolute;left:0;right:0;bottom:0;padding:24px 22px;color:#fff}
.channel-body h3{font-size:18.5px;font-weight:800}
.channel-body p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(220,236,250,.86)}
.channel-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13.5px;font-weight:800;color:#8fe6ff;letter-spacing:.4px;
}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow);border-color:#cfe0f3}
.faq-item h3{font-size:16.5px;font-weight:800;color:var(--ink);display:flex;gap:12px;align-items:flex-start}
.faq-item h3 .q{
  flex:none;width:24px;height:24px;border-radius:8px;margin-top:2px;
  display:grid;place-items:center;font-size:12.5px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.faq-item p{margin:12px 0 0 36px;font-size:14.8px;color:var(--muted);line-height:1.82}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe0f3}
.news-item h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.55}
.news-item p{margin-top:9px;font-size:14.3px;color:var(--muted);line-height:1.74}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;font-size:12.5px;color:#8a9bb0;font-weight:600}
.news-meta span{
  padding:3px 10px;border-radius:999px;background:#f1f7ff;color:#4d6b8d;
}
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.side-panel h3{font-size:16px;font-weight:800;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
.side-list{margin-top:6px}
.side-list a{
  display:block;padding:14px 0;border-bottom:1px dashed var(--line);
  transition:color .2s ease,padding-left .2s ease;
}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--brand);padding-left:6px}
.side-list b{display:block;font-size:14.6px;font-weight:700;color:#22364c;line-height:1.6}
.side-list a:hover b{color:var(--brand)}
.side-list span{display:block;margin-top:5px;font-size:12.5px;color:#8a9bb0}
.empty{
  padding:34px 24px;text-align:center;color:var(--muted);
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
}

/* ---------- final cta ---------- */
.cta-band{
  position:relative;isolation:isolate;overflow:hidden;
  border-radius:var(--radius-xl);padding:56px 40px;text-align:center;color:#fff;
  background:#0a2138 url('/assets/images/55a8317d7dd1a6db.webp') center/cover no-repeat;
  box-shadow:0 30px 60px rgba(8,24,43,.26);
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(6,22,40,.92),rgba(10,52,92,.86));
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.45;color:#fff}
.cta-band p{margin:16px auto 0;max-width:640px;font-size:15px;line-height:1.82;color:rgba(219,236,250,.88)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ---------- footer ---------- */
.site-footer{
  margin-top:74px;
  background:#071a2c;color:#a9c2d8;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  padding:58px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{font-size:14.2px;line-height:1.82;color:#8fabc4;max-width:360px}
.footer-col h4{
  font-size:14px;font-weight:800;color:#fff;letter-spacing:1.2px;
  margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.3px;color:#8fabc4;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#6fd7ff;padding-left:5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7796b1;
}
.footer-bottom .dom{color:#95b3cd;letter-spacing:.3px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .audience{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .news-layout{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-top .footer-col:first-child{grid-column:1/-1}
}
@media (max-width:900px){
  .nav{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:10px;box-shadow:var(--shadow-lg);
    display:none;
    margin-left:0;
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 16px;border-radius:14px;justify-content:flex-start;font-size:15.5px}
  .nav-toggle{display:inline-flex}
  .dock-cta{display:none}
  .dock{border-radius:22px;padding:8px 10px 8px 16px}
  .brand{font-size:15.5px}
  .hero-inner{padding:64px 22px 58px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .data-row{grid-template-columns:1fr 1fr;gap:10px 16px;padding:16px 18px}
  .data-row.head{display:none}
  .data-row .txt{grid-column:1/-1}
  .log-item{grid-template-columns:1fr;gap:8px;padding:20px}
  .hero-outer{padding:16px 14px 0}
  .cta-band{padding:44px 22px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:44px 0 34px}
}
@media (max-width:520px){
  body{font-size:15px}
  .container{padding:0 16px}
  .hero-outer{padding:12px 12px 0}
  .hero{border-radius:22px}
  .hero-inner{padding:52px 18px 46px}
  .hero h1{font-size:26px;line-height:1.38}
  .hero-sub{font-size:14.8px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding-top:26px;margin-top:38px}
  .audience{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .faq-item{padding:20px 18px}
  .faq-item p{margin-left:0}
  .section-head{margin-bottom:32px}
  .card,.note,.review{padding:22px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
 --brand:#1668e3;
 --brand-deep:#0d4bb0;
 --brand-2:#12b3a8;
 --accent:#f2a33c;
 --ink:#08182b;
 --text:#1d2b3b;
 --muted:#5f7085;
 --bg:#f4f8fd;
 --surface:#ffffff;
 --line:#e2ebf5;
 --line-soft:#eef4fb;
 --radius-xl:28px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(13,45,88,.05);
 --shadow:0 12px 30px rgba(13,45,88,.09);
 --shadow-lg:0 24px 56px rgba(13,45,88,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:800;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:3px solid rgba(22,104,227,.42);outline-offset:2px;border-radius:6px}

/* ---------- container ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / floating dock ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 0}
.dock{
 display:flex;align-items:center;gap:16px;
 padding:10px 14px 10px 18px;
 border-radius:999px;
 background:rgba(255,255,255,.88);
 border:1px solid rgba(226,235,245,.9);
 box-shadow:0 10px 26px rgba(13,45,88,.10);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
 background:rgba(255,255,255,.98);
 box-shadow:0 16px 38px rgba(13,45,88,.16);
 border-color:#d9e6f5;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;white-space:nowrap;color:var(--ink)}
.brand-mark{
 width:36px;height:36px;flex:none;border-radius:12px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 8px 18px rgba(22,104,227,.34);
}
.brand-mark svg{width:20px;height:20px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
 display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav a:hover{color:var(--brand);background:rgba(22,104,227,.08)}
.nav a.active{
 color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-deep));
 box-shadow:0 8px 18px rgba(22,104,227,.28);
}
.dock-cta{
 display:inline-flex;align-items:center;justify-content:center;
 padding:10px 20px;border-radius:999px;
 font-size:14.5px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 22px rgba(22,104,227,.28);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.dock-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(22,104,227,.38)}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 align-items:center;justify-content:center;
 border:1px solid var(--line);background:#fff;color:var(--ink);margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:12px 26px;border-radius:12px;
 font-size:15px;font-weight:700;letter-spacing:.2px;border:1px solid transparent;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
 color:#fff;background:linear-gradient(135deg,#2b8cf5,#12a7c9);
 box-shadow:0 12px 26px rgba(22,104,227,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(22,104,227,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
 color:var(--brand);background:#fff;border-color:rgba(22,104,227,.28);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{transform:translateY(-2px);background:#f2f8ff;border-color:rgba(22,104,227,.5)}
.btn-ghost-light{
 color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}

/* ---------- section base ---------- */
.section{padding:74px 0}
.section--muted{background:var(--line-soft)}
.section--white{background:#fff}
.section--deep{
 background:
 radial-gradient(60% 50% at 15% 0%,rgba(22,104,227,.30),transparent 62%),
 radial-gradient(60% 50% at 88% 100%,rgba(18,179,168,.28),transparent 62%),
 #08182b;
 color:#fff;
}
.section--deep h2,.section--deep h3{color:#fff}
.section--deep .section-lead{color:rgba(214,232,250,.82)}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:1.2px;
 color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{
 content:"";width:22px;height:3px;border-radius:3px;
 background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.section-head h2{font-size:clamp(23px,2.4vw,32px);margin-top:12px}
.section-lead{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85}
.section-head.left .section-lead{max-width:640px}

/* ---------- page hero ---------- */
.page-hero{padding:26px 0 0}
.hero-card{
 position:relative;isolation:isolate;overflow:hidden;
 border-radius:var(--radius-xl);
 padding:56px 44px;
 color:#fff;
 background:#06182b url('/assets/images/10098701245db37a.webp') center/cover no-repeat;
 box-shadow:0 30px 70px rgba(6,24,43,.26);
}
.hero-card::before{
 content:"";position:absolute;inset:0;z-index:-1;
 background:
 radial-gradient(75% 60% at 18% 8%,rgba(18,179,168,.34),transparent 62%),
 radial-gradient(70% 70% at 88% 92%,rgba(22,104,227,.42),transparent 66%),
 linear-gradient(160deg,rgba(5,18,32,.86),rgba(4,15,27,.94));
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-pill{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px 7px 10px;border-radius:999px;
 font-size:13px;font-weight:600;color:#d8ecff;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
}
.hero-pill i{width:8px;height:8px;border-radius:50%;background:#3ee0c4;box-shadow:0 0 0 4px rgba(62,224,196,.22)}
.hero-card h1{
 margin:22px 0 0;color:#fff;
 font-size:clamp(27px,3.2vw,41px);line-height:1.34;
 text-shadow:0 3px 20px rgba(0,0,0,.38);
}
.hero-lead{margin-top:20px;max-width:620px;font-size:15.5px;line-height:1.9;color:rgba(224,238,253,.9)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:7px 14px;border-radius:999px;
 font-size:13px;font-weight:600;color:#e6f3ff;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-side{position:relative}
.hero-side figure{
 margin:0;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.22);
 box-shadow:0 22px 50px rgba(0,0,0,.34);
}
.hero-side img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-side figcaption{
 padding:12px 16px;font-size:13px;color:rgba(222,238,255,.86);
 background:rgba(6,24,43,.72);border-top:1px solid rgba(255,255,255,.14);
}
.metric-badges{
 display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;
}
.metric-badges div{
 padding:12px 10px;border-radius:var(--radius);
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.20);
 text-align:center;
}
.metric-badges b{display:block;font-size:19px;font-weight:800;color:#8fe6ff}
.metric-badges span{display:block;margin-top:2px;font-size:12px;color:rgba(214,232,250,.8)}

/* ---------- cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(22,104,227,.12),rgba(18,179,168,.16));
 color:var(--brand);margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card-tag{
 display:inline-flex;align-items:center;
 margin-top:16px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:var(--brand-deep);
 background:rgba(22,104,227,.09);
}

/* ---------- split section ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-text h2{font-size:clamp(23px,2.4vw,31px);margin-top:12px}
.split-list{margin-top:26px;display:grid;gap:16px}
.split-list li{
 display:grid;grid-template-columns:auto 1fr;gap:14px;
 padding:16px 18px;border-radius:var(--radius);
 background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.split-list b{
 display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
 font-size:14px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.split-list h4{font-size:15.5px;margin-bottom:4px}
.split-list p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- ratio cards ---------- */
.ratio-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ratio-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.ratio-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.ratio-top h3{font-size:16.5px}
.ratio-value{
 font-size:13px;font-weight:800;color:#0b6f68;
 background:rgba(18,179,168,.14);padding:5px 12px;border-radius:999px;white-space:nowrap;
}
.ratio-card p{font-size:14px;color:var(--muted);line-height:1.78}
.ratio-bar{display:flex;gap:5px;margin-top:16px}
.ratio-bar i{height:6px;flex:1;border-radius:4px;background:var(--line)}
.ratio-bar i.on{background:linear-gradient(90deg,var(--brand),var(--brand-2))}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{
 position:relative;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:28px 24px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.step::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 position:absolute;top:-16px;left:24px;
 font-size:13px;font-weight:800;letter-spacing:1px;color:#fff;
 padding:6px 13px;border-radius:999px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 8px 18px rgba(22,104,227,.28);
}
.step h3{font-size:17px;margin:14px 0 10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}
.step ul{margin-top:14px;display:grid;gap:8px}
.step ul li{
 position:relative;padding-left:18px;font-size:13.5px;color:var(--muted);
}
.step ul li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
 background:var(--brand-2);
}

/* ---------- pitfalls ---------- */
.pitfall-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:38px}
.pitfall{
 border-radius:var(--radius);padding:24px;border:1px solid var(--line);background:#fff;
}
.pitfall.bad{border-left:4px solid #e0793c;background:#fffaf6}
.pitfall.good{border-left:4px solid var(--brand-2);background:#f5fdfc}
.pitfall h3{font-size:16.5px;margin-bottom:14px}
.pitfall li{
 position:relative;padding-left:20px;margin-bottom:11px;
 font-size:14.5px;color:var(--muted);line-height:1.78;
}
.pitfall li:last-child{margin-bottom:0}
.pitfall li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;background:#e0793c}
.pitfall.good li::before{background:var(--brand-2)}

/* ---------- stats strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:12px}
.stat-box{
 padding:26px 20px;border-radius:var(--radius);
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 text-align:center;
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.stat-box:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}
.stat-box b{display:block;font-size:26px;font-weight:800;color:#8fe6ff;letter-spacing:.5px}
.stat-box span{display:block;margin-top:8px;font-size:13.5px;color:rgba(214,232,250,.82);line-height:1.6}

/* ---------- voices & audience ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.voice p{font-size:14.5px;color:var(--text);line-height:1.85}
.voice footer{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft)}
.voice avatar,.voice .avatar{
 width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.voice strong{display:block;font-size:14px;color:var(--ink)}
.voice small{display:block;font-size:12.5px;color:var(--muted)}
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.audience{
 padding:22px;border-radius:var(--radius);background:#fff;
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.audience:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.audience h3{font-size:15.5px;margin-bottom:8px}
.audience p{font-size:13.8px;color:var(--muted);line-height:1.78}

/* ---------- post list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;gap:12px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.post-card h3{font-size:16.5px;line-height:1.55}
.post-card p{font-size:14px;color:var(--muted);line-height:1.8}
.post-meta{
 margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
 font-size:12.5px;color:var(--muted);
}
.post-meta em{
 font-style:normal;padding:4px 11px;border-radius:999px;
 background:rgba(22,104,227,.09);color:var(--brand-deep);font-weight:600;
}
.empty-tip{
 padding:34px 24px;border-radius:var(--radius);text-align:center;
 background:#fff;border:1px dashed var(--line);color:var(--muted);font-size:14.5px;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfe0f3;box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:center;gap:14px;
 padding:20px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";margin-left:auto;flex:none;width:10px;height:10px;
 border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
 transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .faq-a{padding:0 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
 padding:40px 40px;border-radius:var(--radius-xl);
 background:
 radial-gradient(60% 120% at 10% 0%,rgba(18,179,168,.34),transparent 60%),
 linear-gradient(135deg,#0f2c53,#0a1c33);
 color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,27px)}
.cta-band p{margin-top:10px;font-size:14.8px;color:rgba(216,236,255,.86);max-width:620px;line-height:1.8}
.cta-band .btn{flex:none}

/* ---------- footer ---------- */
.site-footer{
 background:#08182b;color:rgba(206,224,244,.78);
 margin-top:80px;padding:60px 0 26px;font-size:14px;
}
.footer-top{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;
 padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
 display:flex;align-items:center;gap:10px;
 font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-about{font-size:14px;line-height:1.85;color:rgba(200,220,242,.72);max-width:420px}
.footer-col h4{
 font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{
 font-size:14px;color:rgba(200,220,242,.74);
 transition:color .2s ease,transform .2s ease;display:inline-block;
}
.footer-col a:hover{color:#7fd7ff;transform:translateX(2px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 padding-top:24px;font-size:13px;color:rgba(180,204,230,.62);
}
.footer-bottom .dom{letter-spacing:.4px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-card{padding:44px 32px}
 .split{grid-template-columns:1fr;gap:32px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:1fr}
 .voice-grid{grid-template-columns:1fr 1fr}
 .audience-grid{grid-template-columns:repeat(2,1fr)}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .footer-top{grid-template-columns:1fr 1fr;gap:34px}
 .footer-col:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 .site-header{padding-top:10px}
 .dock{flex-wrap:wrap;border-radius:22px;padding:12px 14px;gap:10px}
 .nav-toggle{display:inline-flex}
 .nav{
  order:3;width:100%;flex-direction:column;align-items:stretch;gap:6px;
  margin:8px 0 0;padding-top:10px;border-top:1px solid var(--line);
  display:none;
 }
 .nav.open{display:flex}
 .nav a{padding:12px 16px;border-radius:12px;font-size:15px}
 .dock-cta{order:2;margin-left:auto;padding:9px 16px;font-size:14px}
 .section{padding:56px 0}
 .hero-card{padding:36px 22px;border-radius:22px}
 .hero-actions .btn{flex:1 1 100%}
 .grid-2,.grid-3,.grid-4,.post-grid,.voice-grid,.audience-grid,.pitfall-wrap{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:1fr 1fr}
 .cta-band{padding:30px 24px;border-radius:22px}
 .cta-band .btn{width:100%}
 .footer-top{grid-template-columns:1fr;gap:30px}
 .section-head{margin-bottom:32px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:15.5px}
 .brand-mark{width:32px;height:32px;border-radius:10px}
 .hero-card h1{font-size:25px}
 .metric-badges{grid-template-columns:1fr 1fr 1fr;gap:8px}
 .metric-badges b{font-size:16px}
 .stat-strip{grid-template-columns:1fr}
 .faq-item summary{padding:16px 18px;font-size:14.5px}
 .faq-item .faq-a{padding:0 18px 18px}
 .split-list li{padding:14px 14px}
}

/* roulang page: article */
:root{
  --brand:#1668e3;
  --brand-deep:#0d4bb0;
  --brand-2:#12b3a8;
  --accent:#f2a33c;
  --ink:#08182b;
  --text:#1d2b3b;
  --muted:#5f7085;
  --bg:#f4f8fd;
  --surface:#ffffff;
  --line:#e2ebf5;
  --line-soft:#eef4fb;
  --radius-xl:28px;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(13,45,88,.05);
  --shadow:0 12px 30px rgba(13,45,88,.09);
  --shadow-lg:0 24px 56px rgba(13,45,88,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.78;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(22,104,227,.45);outline-offset:3px;border-radius:8px}

/* ---------- container ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / floating dock ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 0}
.dock{
  position:relative;display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;border-radius:22px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
  background:rgba(255,255,255,.98);
  border-color:#d9e6f5;
  box-shadow:0 16px 38px rgba(13,45,88,.16);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;color:var(--ink)}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 18px rgba(22,104,227,.34);
}
.brand-mark svg{width:20px;height:20px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  display:inline-flex;align-items:center;padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav a:hover{color:var(--brand);background:rgba(22,104,227,.08)}
.nav a.active{
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 8px 18px rgba(22,104,227,.28);
}
.dock-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;
  font-size:14.5px;font-weight:700;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 22px rgba(22,104,227,.28);
  transition:transform .2s ease,box-shadow .2s ease;
}
.dock-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(22,104,227,.38)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:.2px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,#2b8cf5,#12a7c9);
  box-shadow:0 12px 26px rgba(22,104,227,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(22,104,227,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  color:var(--brand);background:#fff;border-color:rgba(22,104,227,.28);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{transform:translateY(-2px);background:#f2f8ff;border-color:rgba(22,104,227,.5)}

/* ---------- section base ---------- */
.section{padding:72px 0}
.section--muted{background:var(--line-soft)}
.section--white{background:#fff}
.section--deep{
  background:
    radial-gradient(60% 50% at 15% 0%,rgba(22,104,227,.30),transparent 62%),
    radial-gradient(60% 50% at 88% 100%,rgba(18,179,168,.28),transparent 62%),
    #08182b;
  color:#fff;
}
.section-head{max-width:740px;margin:0 auto 42px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.section--deep .eyebrow{color:#8fe6ff}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.36;font-weight:800;color:var(--ink);letter-spacing:.3px}
.section--deep .section-head h2{color:#fff}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--muted)}
.section--deep .section-head p{color:rgba(214,232,250,.82)}

/* ---------- grids ---------- */
.grid{display:grid;gap:20px}
.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))}

/* ---------- cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  color:var(--brand);background:linear-gradient(135deg,rgba(22,104,227,.12),rgba(18,179,168,.14));
  margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5;margin-bottom:10px}
.card p{font-size:14.8px;line-height:1.8;color:var(--muted)}
.card .tag{
  display:inline-flex;align-items:center;margin-top:16px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--brand-deep);
  background:rgba(22,104,227,.09);
}
.card--glass{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  box-shadow:none;
}
.card--glass:hover{background:rgba(255,255,255,.1);border-color:rgba(143,230,255,.42);box-shadow:0 18px 40px rgba(0,0,0,.28)}
.card--glass h3{color:#fff}
.card--glass p{color:rgba(214,232,250,.84)}
.card--glass .card-icon{background:rgba(143,230,255,.14);color:#8fe6ff}

/* ---------- article hero ---------- */
.article-hero{padding:44px 0 0;background:linear-gradient(180deg,#eef6ff 0%,var(--bg) 100%)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--brand);font-weight:600}
.crumbs a:hover{text-decoration:underline}
.crumbs span.sep{color:#b8c9dc}
.article-head{max-width:880px}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--brand-deep);
  background:rgba(22,104,227,.1);border:1px solid rgba(22,104,227,.18);
}
.article-head h1{
  margin-top:18px;font-size:clamp(25px,3vw,40px);line-height:1.34;font-weight:800;
  letter-spacing:.3px;color:var(--ink);
}
.article-lead{margin-top:18px;font-size:16px;line-height:1.85;color:var(--muted)}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:24px;padding-top:20px;
  border-top:1px dashed #d6e4f3;font-size:13.5px;color:#7c8da0;
}
.article-meta b{color:var(--ink);font-weight:700}
.article-cover{
  margin-top:30px;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover figcaption{padding:12px 18px;font-size:13px;color:var(--muted);background:#fff;border-top:1px solid var(--line-soft)}

/* ---------- prose ---------- */
.prose-wrap{max-width:880px;margin:0 auto}
.prose{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:42px 46px;box-shadow:var(--shadow-sm);
}
.prose>*:first-child{margin-top:0}
.prose h2{
  font-size:22px;line-height:1.5;font-weight:800;color:var(--ink);
  margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--brand);
}
.prose h3{font-size:17.5px;line-height:1.55;font-weight:800;color:var(--ink);margin:28px 0 10px}
.prose h4{font-size:16px;font-weight:800;color:var(--ink);margin:22px 0 8px}
.prose p{margin:0 0 16px;font-size:16px;line-height:1.88;color:#22344a}
.prose strong{color:var(--ink);font-weight:800}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-deep)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:9px;font-size:15.6px;line-height:1.85;color:#22344a}
.prose li::marker{color:var(--brand)}
.prose img{border-radius:14px;margin:22px 0;border:1px solid var(--line)}
.prose blockquote{
  margin:22px 0;padding:16px 22px;border-left:4px solid var(--brand-2);
  background:#f2fbfa;border-radius:0 12px 12px 0;color:#25455c;font-size:15.4px;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.6px}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:var(--line-soft);color:var(--ink);font-weight:700}
.prose hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.prose code{background:var(--line-soft);border-radius:6px;padding:2px 6px;font-size:14px}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:48px 24px;border:1px dashed #cfe0f2;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,#fbfdff,#f4f9ff);
}
.empty-state h2{font-size:21px;font-weight:800;color:var(--ink);margin-bottom:12px;padding:0;border:0}
.empty-state p{max-width:460px;margin:0 auto 22px;color:var(--muted);font-size:15px}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:34px;padding:26px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#0f4bb4 0%,#1668e3 48%,#12b3a8 100%);
  box-shadow:0 20px 42px rgba(13,75,176,.24);
}
.stat-strip .stat{text-align:center;color:#fff}
.stat-strip .stat b{display:block;font-size:24px;font-weight:800;letter-spacing:.5px}
.stat-strip .stat span{display:block;margin-top:6px;font-size:13px;color:rgba(226,240,255,.82)}

/* ---------- channel cards ---------- */
.channel-card{
  display:block;position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card::after{
  content:"";position:absolute;right:-42px;top:-42px;width:132px;height:132px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,104,227,.14),transparent 70%);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.channel-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px}
.channel-card p{font-size:14.8px;line-height:1.8;color:var(--muted)}
.channel-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.channel-more svg{width:16px;height:16px;transition:transform .2s ease}
.channel-card:hover .channel-more svg{transform:translateX(4px)}

/* ---------- audience list ---------- */
.audience-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.audience-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.audience-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe1f6}
.audience-item .idx{
  flex:none;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.audience-item h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.audience-item p{font-size:14.8px;line-height:1.78;color:var(--muted)}

/* ---------- post cards ---------- */
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.post-card h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.55;margin-bottom:10px}
.post-card p{font-size:14.5px;line-height:1.78;color:var(--muted)}
.post-card .post-date{display:block;margin-top:14px;font-size:12.8px;color:#93a3b6}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(22,104,227,.34);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#f7fbff;color:var(--brand)}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;font-weight:400;color:var(--brand);
  transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 24px 22px;font-size:15.2px;line-height:1.86;color:var(--muted)}
.faq-body p{margin:0}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(120deg,#eaf3ff 0%,#f0fbfa 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{
  max-width:900px;margin:0 auto;text-align:center;
  padding:46px 32px;border-radius:var(--radius-xl);
  background:rgba(255,255,255,.78);border:1px solid rgba(22,104,227,.14);
  box-shadow:var(--shadow);
}
.cta-inner h2{font-size:clamp(21px,2.3vw,28px);font-weight:800;color:var(--ink);line-height:1.42}
.cta-inner p{margin:14px auto 0;max-width:620px;font-size:15.2px;line-height:1.82;color:var(--muted)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px}

/* ---------- footer ---------- */
.site-footer{background:#07182b;color:rgba(206,224,244,.82);padding:56px 0 26px;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:0 8px 18px rgba(18,179,168,.3)}
.footer-about{font-size:14.2px;line-height:1.85;color:rgba(198,217,238,.74);max-width:420px}
.footer-col h4{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14.2px;color:rgba(198,217,238,.76);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col ul a:hover{color:#8fe6ff;transform:translateX(3px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding-top:20px;font-size:13.2px;color:rgba(178,199,222,.66);
}
.footer-bottom .dom{letter-spacing:.4px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .prose{padding:34px 30px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:10px;background:#fff;border:1px solid var(--line);
    border-radius:18px;box-shadow:var(--shadow-lg);display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:12px 16px;border-radius:12px;font-size:15px}
  .dock{padding:10px 12px}
  .dock-cta{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .article-hero{padding-top:30px}
  .article-cover{border-radius:var(--radius-lg)}
  .article-cover img{aspect-ratio:16/10}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .prose{padding:26px 20px;border-radius:var(--radius-lg)}
  .prose h2{font-size:19.5px;margin-top:28px}
  .prose p,.prose li{font-size:15.4px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .cta-inner{padding:34px 20px}
  .section-head{margin-bottom:32px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:15.5px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .article-head h1{font-size:23px;line-height:1.4}
  .article-lead{font-size:14.8px}
  .article-meta{font-size:12.8px;gap:8px 14px}
  .stat-strip{grid-template-columns:1fr;padding:20px}
  .card,.channel-card,.post-card{padding:20px}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px;font-size:14.6px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category2 */
:root{
 --brand:#1668e3;
 --brand-deep:#0d4bb0;
 --brand-2:#12b3a8;
 --accent:#f2a33c;
 --ink:#08182b;
 --text:#1d2b3b;
 --muted:#5f7085;
 --bg:#f4f8fd;
 --surface:#ffffff;
 --line:#e2ebf5;
 --line-soft:#eef4fb;
 --radius-xl:28px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(13,45,88,.05);
 --shadow:0 12px 30px rgba(13,45,88,.09);
 --shadow-lg:0 24px 56px rgba(13,45,88,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:3px solid rgba(22,104,227,.45);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / floating dock ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 0}
.dock{
 display:flex;align-items:center;gap:14px;
 padding:10px 12px 10px 16px;
 background:rgba(255,255,255,.94);
 border:1px solid rgba(226,235,245,.95);
 border-radius:999px;
 box-shadow:0 10px 30px rgba(13,45,88,.10);
 -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
 transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
 background:rgba(255,255,255,.98);
 box-shadow:0 16px 38px rgba(13,45,88,.16);
 border-color:#d9e6f5;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;color:var(--ink)}
.brand-mark{
 width:36px;height:36px;flex:none;border-radius:12px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 8px 18px rgba(22,104,227,.34);
}
.brand-mark svg{width:20px;height:20px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
 display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav a:hover{color:var(--brand);background:rgba(22,104,227,.08)}
.nav a.active{
 color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-deep));
 box-shadow:0 8px 18px rgba(22,104,227,.28);
}
.dock-cta{
 display:inline-flex;align-items:center;justify-content:center;
 padding:10px 20px;border-radius:999px;
 font-size:14.5px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 22px rgba(22,104,227,.28);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.dock-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(22,104,227,.38)}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 align-items:center;justify-content:center;
 border:1px solid var(--line);background:#fff;color:var(--ink);
 margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:12px 26px;border-radius:12px;
 font-size:15px;font-weight:700;letter-spacing:.2px;
 border:1px solid transparent;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
 color:#fff;background:linear-gradient(135deg,#2b8cf5,#12a7c9);
 box-shadow:0 12px 26px rgba(22,104,227,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(22,104,227,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#fff;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.38)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{color:var(--brand);background:#fff;border-color:rgba(22,104,227,.28);box-shadow:var(--shadow-sm)}
.btn-outline:hover{transform:translateY(-2px);background:#f2f8ff;border-color:rgba(22,104,227,.5)}

/* ---------- page hero ---------- */
.page-hero{padding:26px 0 0}
.hero-card{
 position:relative;overflow:hidden;isolation:isolate;
 border-radius:var(--radius-xl);
 background:#06182b url('/assets/images/10098701245db37a.webp') center/cover no-repeat;
 box-shadow:0 26px 60px rgba(6,24,43,.26);
 color:#fff;
 display:grid;grid-template-columns:1.3fr .8fr;gap:36px;
 padding:58px 48px;
}
.hero-card::before{
 content:"";position:absolute;inset:0;z-index:-1;
 background:
 radial-gradient(70% 60% at 16% 8%,rgba(18,179,168,.34),transparent 62%),
 radial-gradient(70% 70% at 90% 94%,rgba(22,104,227,.44),transparent 66%),
 linear-gradient(180deg,rgba(5,18,32,.84) 0%,rgba(5,18,32,.90) 50%,rgba(4,15,27,.96) 100%);
}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px 7px 12px;border-radius:999px;
 font-size:13.5px;font-weight:600;letter-spacing:.4px;
 color:#d8ecff;background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.22);
 -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-badge i{width:8px;height:8px;border-radius:50%;flex:none;background:#3ee0c4;box-shadow:0 0 0 4px rgba(62,224,196,.22)}
.hero-card h1{
 margin:22px 0 0;
 font-size:clamp(26px,3.1vw,40px);
 line-height:1.36;font-weight:800;letter-spacing:.3px;
 text-shadow:0 3px 20px rgba(0,0,0,.4);
}
.hero-sub{margin-top:20px;max-width:600px;font-size:15.5px;line-height:1.9;color:rgba(226,240,255,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{
 display:inline-flex;align-items:center;
 padding:7px 14px;border-radius:999px;
 font-size:13px;font-weight:600;color:#bfe3ff;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.16);
}
.hero-panel{
 align-self:center;
 background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.2);
 border-radius:var(--radius-lg);
 padding:24px 22px;
 -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
 box-shadow:inset 0 1px 0 rgba(255,255,255,.16);
}
.panel-title{
 display:flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.2px;
 color:#a8d6ff;margin-bottom:14px;
}
.panel-title svg{width:16px;height:16px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14px}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row span{color:rgba(214,232,250,.8)}
.panel-row b{color:#8fe6ff;font-weight:700;text-align:right}

/* ---------- section base ---------- */
.section{padding:76px 0}
.section--muted{background:var(--line-soft)}
.section--white{background:#fff}
.section--deep{
 background:
 radial-gradient(60% 50% at 12% 0%,rgba(22,104,227,.32),transparent 62%),
 radial-gradient(60% 50% at 88% 100%,rgba(18,179,168,.28),transparent 62%),
 #08182b;
 color:#fff;
}
.section-head{max-width:740px;margin:0 auto 44px;text-align:center}
.section-head.left{margin-left:0;text-align:left;max-width:640px}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;
 color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.section--deep .eyebrow{color:#7fd8ff}
.section-head h2{font-size:clamp(22px,2.4vw,31px);line-height:1.42;font-weight:800;color:var(--ink);letter-spacing:.2px}
.section--deep .section-head h2{color:#fff}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted)}
.section--deep .section-head p{color:rgba(214,232,250,.8)}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.5}
.card p{font-size:14.5px;line-height:1.85;color:var(--muted)}
.icon-badge{
 width:46px;height:46px;border-radius:14px;
 display:grid;place-items:center;margin-bottom:16px;
 color:var(--brand);
 background:linear-gradient(135deg,rgba(22,104,227,.12),rgba(18,179,168,.14));
 border:1px solid rgba(22,104,227,.14);
}
.icon-badge svg{width:22px;height:22px}
.tag{
 display:inline-flex;align-items:center;
 margin-top:16px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:var(--brand);
 background:rgba(22,104,227,.08);
 border:1px solid rgba(22,104,227,.14);
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
 position:relative;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.step-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:12px;
 font-size:15px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 8px 18px rgba(22,104,227,.28);
 margin-bottom:16px;
}
.step h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- split / rate ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.check-list li{
 position:relative;padding-left:30px;margin-bottom:18px;
 font-size:15px;line-height:1.85;color:var(--text);
}
.check-list li::before{
 content:"";position:absolute;left:0;top:8px;
 width:16px;height:16px;border-radius:50%;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 4px 10px rgba(22,104,227,.28);
}
.check-list li::after{
 content:"";position:absolute;left:5px;top:13px;
 width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;
 transform:rotate(-45deg);
}
.check-list b{color:var(--ink);font-weight:800}
.rate-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow);
}
.rate-panel .panel-head{
 display:flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--brand);
 margin-bottom:10px;
}
.rate-panel .panel-head svg{width:16px;height:16px}
.rate-list li{display:flex;flex-direction:column;gap:4px;padding:15px 0;border-bottom:1px dashed var(--line)}
.rate-list li:last-child{border-bottom:0;padding-bottom:0}
.rate-key{font-size:15px;font-weight:800;color:var(--ink)}
.rate-val{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- image + points ---------- */
.figure-block{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.figure-block img{width:100%;aspect-ratio:16/10;object-fit:cover}
.point-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line-soft)}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list .dot{
 flex:none;width:10px;height:10px;border-radius:50%;margin-top:11px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.point-list h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.point-list p{font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- quotes ---------- */
.quote{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.quote-mark{font-size:34px;line-height:1;color:rgba(22,104,227,.22);font-weight:800;margin-bottom:6px}
.quote p{font-size:14.8px;line-height:1.88;color:var(--text)}
.quote .who{
 display:flex;align-items:center;gap:10px;margin-top:18px;
 font-size:13.5px;color:var(--muted);
}
.quote .who i{
 width:28px;height:28px;border-radius:50%;flex:none;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;font-style:normal;
}

/* ---------- stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
 text-align:center;padding:26px 16px;border-radius:var(--radius-lg);
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(143,230,255,.38)}
.stat b{display:block;font-size:26px;font-weight:800;color:#8fe6ff;letter-spacing:.5px}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:rgba(214,232,250,.78)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
 display:flex;flex-direction:column;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.news-cat{
 align-self:flex-start;
 padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:700;color:var(--brand-2);
 background:rgba(18,179,168,.10);
 border:1px solid rgba(18,179,168,.2);
}
.news-card h3{
 margin-top:12px;font-size:16px;font-weight:800;color:var(--ink);line-height:1.6;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
 margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{margin-top:16px;font-size:12.5px;color:#8ba0b6}
.news-empty{
 text-align:center;padding:38px 20px;border-radius:var(--radius-lg);
 background:#fff;border:1px dashed var(--line);color:var(--muted);font-size:15px;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:14px;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfe1f6;box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;position:relative;
 padding:20px 54px 20px 22px;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
 font-size:22px;font-weight:400;color:var(--brand);line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 22px;font-size:14.8px;line-height:1.88;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-section{padding:0 0 78px}
.cta-band{
 position:relative;overflow:hidden;isolation:isolate;text-align:center;
 border-radius:var(--radius-xl);padding:58px 40px;
 background:#08182b url('/assets/images/a30c7bb8837aee72.webp') center/cover no-repeat;
 color:#fff;box-shadow:0 26px 60px rgba(6,24,43,.24);
}
.cta-band::before{
 content:"";position:absolute;inset:0;z-index:-1;
 background:
 radial-gradient(60% 60% at 20% 10%,rgba(18,179,168,.34),transparent 64%),
 radial-gradient(60% 60% at 84% 90%,rgba(22,104,227,.42),transparent 66%),
 linear-gradient(180deg,rgba(5,18,32,.86),rgba(4,15,27,.95));
}
.cta-band h2{font-size:clamp(22px,2.5vw,30px);font-weight:800;line-height:1.45;letter-spacing:.3px}
.cta-band p{margin:16px auto 0;max-width:640px;font-size:15px;line-height:1.9;color:rgba(226,240,255,.86)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ---------- footer ---------- */
.site-footer{background:#08182b;color:#c8d8ea;padding:64px 0 26px}
.footer-top{
 display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:42px;
 padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:16px}
.footer-about{font-size:14.5px;line-height:1.88;color:#9fb4ca;max-width:400px}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14.5px;color:#9fb4ca;transition:color .2s ease}
.footer-col ul a:hover{color:#8fe6ff}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
 padding-top:22px;font-size:13.5px;color:#7d93a9;
}
.footer-bottom .dom{color:#5f7893}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-card{grid-template-columns:1fr;gap:30px;padding:46px 34px}
 .hero-sub{max-width:100%}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:28px}
 .footer-top{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
 .dock{position:relative;padding:10px 12px}
 .nav-toggle{display:inline-flex}
 .dock-cta{display:none}
 .nav{
  position:absolute;top:calc(100% + 12px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;
  padding:12px;background:#fff;border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-lg);
  display:none;margin-left:0;
 }
 .nav.is-open{display:flex}
 .nav a{padding:12px 14px;border-radius:12px;font-size:15px}
 .brand{font-size:16px}
}
@media (max-width:768px){
 .section{padding:58px 0}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .hero-card{padding:38px 24px;border-radius:24px}
 .hero-actions .btn{flex:1 1 46%}
 .cta-band{padding:44px 24px;border-radius:24px}
 .footer-top{grid-template-columns:1fr;gap:30px}
 .section-head{margin-bottom:32px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .grid-4{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:1fr 1fr;gap:12px}
 .brand span:last-child{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .hero-card h1{font-size:24px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn{width:100%}
 .cta-actions{flex-direction:column}
 .btn{width:100%}
 .cta-actions .btn,.hero-actions .btn{width:100%}
 .section-head h2{font-size:21px}
 .card{padding:22px 20px}
 .panel-row{font-size:13.5px}
}

/* roulang page: category3 */
:root{
 --brand:#1668e3;
 --brand-deep:#0d4bb0;
 --brand-2:#12b3a8;
 --accent:#f2a33c;
 --ink:#08182b;
 --text:#1d2b3b;
 --muted:#5f7085;
 --bg:#f4f8fd;
 --surface:#ffffff;
 --line:#e2ebf5;
 --line-soft:#eef4fb;
 --radius-xl:28px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(13,45,88,.05);
 --shadow:0 12px 30px rgba(13,45,88,.09);
 --shadow-lg:0 24px 56px rgba(13,45,88,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:112px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.34}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(22,104,227,.45);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header dock ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:14px 0 0}
.dock{
 display:flex;align-items:center;gap:12px;
 padding:10px 12px 10px 18px;
 border-radius:999px;
 background:rgba(255,255,255,.94);
 border:1px solid rgba(226,235,245,.95);
 box-shadow:0 10px 26px rgba(13,45,88,.10);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
 background:rgba(255,255,255,.98);
 box-shadow:0 16px 38px rgba(13,45,88,.16);
 border-color:#d9e6f5;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;color:var(--ink)}
.brand-mark{
 width:36px;height:36px;flex:none;border-radius:12px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 8px 18px rgba(22,104,227,.34);
}
.brand-mark svg{width:20px;height:20px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
 display:inline-flex;align-items:center;min-height:40px;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav a:hover{color:var(--brand);background:rgba(22,104,227,.08)}
.nav a.active{
 color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-deep));
 box-shadow:0 8px 18px rgba(22,104,227,.28);
}
.dock-cta{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:10px 20px;border-radius:999px;
 font-size:14.5px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 22px rgba(22,104,227,.28);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.dock-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(22,104,227,.38)}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 align-items:center;justify-content:center;
 border:1px solid var(--line);background:#fff;color:var(--ink);
 margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:12px 26px;border-radius:12px;
 font-size:15px;font-weight:700;letter-spacing:.2px;
 border:1px solid transparent;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
 color:#fff;
 background:linear-gradient(135deg,#2b8cf5,#12a7c9);
 box-shadow:0 12px 26px rgba(22,104,227,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(22,104,227,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
 color:var(--brand);background:#fff;border-color:rgba(22,104,227,.28);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{transform:translateY(-2px);background:#f2f8ff;border-color:rgba(22,104,227,.5)}
.btn-light{
 color:var(--brand-deep);background:#fff;border-color:rgba(255,255,255,.7);
 box-shadow:0 12px 26px rgba(4,20,40,.28);
}
.btn-light:hover{transform:translateY(-2px);background:#f4faff}

/* ---------- category hero ---------- */
.cat-hero{padding:26px 0 0}
.cat-hero-inner{
 position:relative;
 border-radius:var(--radius-xl);
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 padding:52px;
 display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;
 background:
  radial-gradient(70% 90% at 6% 0%,rgba(22,104,227,.14),transparent 62%),
  radial-gradient(64% 84% at 98% 100%,rgba(18,179,168,.16),transparent 62%),
  linear-gradient(135deg,#f9fcff 0%,#eef5fd 100%);
 overflow:hidden;
}
.cat-hero-inner::after{
 content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;
 border-radius:50%;background:rgba(22,104,227,.06);
}
.chip{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;
 font-size:13px;font-weight:700;letter-spacing:.4px;
 color:var(--brand-deep);
 background:rgba(22,104,227,.10);
 border:1px solid rgba(22,104,227,.18);
}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--brand-2);display:block;flex:none}
.cat-hero h1{
 margin:20px 0 0;
 font-size:clamp(27px,3.2vw,40px);
 line-height:1.32;letter-spacing:.3px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.cat-hero-lead{
 margin:20px 0 0;max-width:620px;
 font-size:15.5px;line-height:1.85;color:var(--muted);
}
.cat-hero-lead strong{color:var(--ink);font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.badge-row li{
 display:inline-flex;align-items:center;gap:7px;
 padding:8px 15px;border-radius:999px;
 font-size:13px;font-weight:600;color:#28425f;
 background:#fff;border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.badge-row li::before{
 content:"";width:6px;height:6px;border-radius:50%;
 background:var(--brand-2);display:block;flex:none;
}
.cat-hero-media{position:relative}
.cat-hero-media img{
 width:100%;aspect-ratio:4/3;object-fit:cover;
 border-radius:var(--radius-lg);
 border:1px solid rgba(255,255,255,.9);
 box-shadow:var(--shadow-lg);
}
.media-tag{
 position:absolute;left:16px;bottom:16px;
 display:inline-flex;align-items:center;gap:8px;
 padding:9px 16px;border-radius:999px;
 font-size:13px;font-weight:700;color:#fff;
 background:rgba(8,24,43,.72);
 -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
 border:1px solid rgba(255,255,255,.18);
}
.media-tag span{color:#8fe6ff}

/* ---------- section base ---------- */
.section{padding:76px 0}
.section--muted{background:var(--line-soft)}
.section--white{background:#fff}
.section-head{max-width:760px;margin:0 0 42px}
.section-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:800;letter-spacing:1.2px;text-transform:uppercase;
 color:var(--brand);
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.section-head h2{margin:14px 0 0;font-size:clamp(23px,2.4vw,31px);line-height:1.38}
.section-head p{margin:14px 0 0;font-size:15.5px;color:var(--muted)}
.section--deep{
 background:
  radial-gradient(60% 50% at 12% 0%,rgba(22,104,227,.32),transparent 62%),
  radial-gradient(60% 52% at 90% 100%,rgba(18,179,168,.30),transparent 62%),
  #08182b;
 color:#fff;
}
.section--deep .section-head h2{color:#fff}
.section--deep .section-head p{color:rgba(219,233,250,.82)}
.section--deep .eyebrow{color:#7fd8ff}
.section--deep .eyebrow::before{background:linear-gradient(90deg,#7fd8ff,#3ee0c4)}

/* ---------- pain cards ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pain-card{
 display:flex;gap:18px;
 padding:26px;
 border-radius:var(--radius-lg);
 background:var(--surface);
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.pain-ico{
 width:46px;height:46px;flex:none;border-radius:14px;
 display:grid;place-items:center;
 color:var(--brand);
 background:linear-gradient(135deg,rgba(22,104,227,.12),rgba(18,179,168,.14));
 border:1px solid rgba(22,104,227,.16);
}
.pain-ico svg{width:22px;height:22px}
.pain-card h3{font-size:17px;margin-bottom:8px}
.pain-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.pain-card .tag{
 display:inline-flex;margin-top:14px;
 padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:var(--brand-deep);
 background:rgba(22,104,227,.08);
}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
 position:relative;
 padding:28px 24px 24px;
 border-radius:var(--radius-lg);
 background:#fff;
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.step-num{
 display:inline-grid;place-items:center;
 width:38px;height:38px;border-radius:12px;
 font-size:15px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 8px 18px rgba(22,104,227,.26);
}
.step h3{margin:16px 0 8px;font-size:16.5px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- data band ---------- */
.data-band{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 margin-top:8px;
}
.data-cell{
 padding:28px 22px;
 border-radius:var(--radius-lg);
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.data-cell:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(127,216,255,.5)}
.data-cell b{
 display:block;font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:.5px;
 color:#8fe6ff;line-height:1.2;
}
.data-cell span{display:block;margin-top:8px;font-size:14px;color:rgba(222,236,252,.86)}
.data-cell em{display:block;margin-top:10px;font-style:normal;font-size:12.5px;color:rgba(180,205,232,.7)}

/* ---------- audience ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.aud-card{
 padding:26px;
 border-radius:var(--radius-lg);
 background:#fff;
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.aud-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.aud-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.aud-ico{
 width:40px;height:40px;border-radius:12px;flex:none;
 display:grid;place-items:center;color:var(--brand-2);
 background:rgba(18,179,168,.10);
 border:1px solid rgba(18,179,168,.22);
}
.aud-ico svg{width:20px;height:20px}
.aud-card h3{font-size:17px}
.aud-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.aud-list{margin-top:16px;display:grid;gap:8px}
.aud-list li{
 position:relative;padding-left:18px;
 font-size:13.5px;color:#3c5470;
}
.aud-list li::before{
 content:"";position:absolute;left:0;top:9px;
 width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{
 padding:26px;
 border-radius:var(--radius-lg);
 background:#fff;
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 display:flex;flex-direction:column;gap:16px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.voice-card p{font-size:14.5px;line-height:1.85;color:#2f4560}
.voice-meta{display:flex;align-items:center;gap:10px;margin-top:auto}
.voice-avatar{
 width:36px;height:36px;border-radius:50%;flex:none;
 display:grid;place-items:center;
 font-size:13px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.voice-meta b{display:block;font-size:14px;color:var(--ink)}
.voice-meta span{display:block;font-size:12.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{
 border-radius:var(--radius);
 background:#fff;
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(22,104,227,.32);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:20px 24px;
 font-size:16px;font-weight:700;color:var(--ink);
 min-height:48px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:none;
 width:26px;height:26px;border-radius:50%;
 display:grid;place-items:center;
 font-size:17px;font-weight:700;line-height:1;
 color:var(--brand);background:rgba(22,104,227,.10);
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"–";background:rgba(22,104,227,.16)}
.faq-item p{padding:0 24px 22px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 display:flex;flex-direction:column;
 padding:24px;
 border-radius:var(--radius-lg);
 background:#fff;
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe1f6}
.post-card h3{font-size:16.5px;line-height:1.6}
.post-card h3 a{transition:color .2s ease}
.post-card h3 a:hover{color:var(--brand)}
.post-card p{
 margin-top:12px;font-size:14px;line-height:1.8;color:var(--muted);
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
 display:flex;align-items:center;gap:10px;flex-wrap:wrap;
 margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
 font-size:12.5px;color:var(--muted);
}
.post-meta .pill{
 padding:4px 11px;border-radius:999px;
 color:var(--brand-deep);background:rgba(22,104,227,.08);
 font-weight:600;
}
.empty-note{
 padding:34px;border-radius:var(--radius-lg);
 background:#fff;border:1px dashed var(--line);
 text-align:center;color:var(--muted);font-size:14.5px;
}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-xl);
 padding:54px 48px;
 color:#fff;
 background:
  radial-gradient(60% 120% at 12% 0%,rgba(62,224,196,.28),transparent 60%),
  radial-gradient(70% 120% at 92% 100%,rgba(43,140,245,.42),transparent 62%),
  linear-gradient(135deg,#0a2144,#0d4bb0 60%,#0f7f9c 100%);
 box-shadow:0 26px 60px rgba(10,33,68,.34);
 display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.4}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(224,239,255,.9)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-side{
 padding:24px;
 border-radius:var(--radius-lg);
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.2);
}
.cta-side b{display:block;font-size:14px;color:#8fe6ff;letter-spacing:.6px}
.cta-side ul{margin-top:12px;display:grid;gap:9px}
.cta-side li{
 position:relative;padding-left:16px;
 font-size:13.5px;color:rgba(230,242,255,.92);
}
.cta-side li::before{
 content:"";position:absolute;left:0;top:9px;
 width:6px;height:6px;border-radius:50%;background:#3ee0c4;
}

/* ---------- footer ---------- */
.site-footer{
 margin-top:0;
 background:#071528;
 color:rgba(214,232,250,.86);
 padding:56px 0 26px;
}
.footer-top{
 display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;
 padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(190,211,234,.78);max-width:420px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
 font-size:14px;color:rgba(190,211,234,.82);
 transition:color .2s ease;
}
.footer-col a:hover{color:#8fe6ff}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding-top:22px;font-size:13px;color:rgba(168,193,220,.72);
}
.footer-bottom .dom{letter-spacing:.4px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;padding:42px 34px;gap:34px}
 .cat-hero-media{order:-1}
 .pain-grid{grid-template-columns:1fr}
 .step-grid{grid-template-columns:repeat(2,1fr)}
 .data-band{grid-template-columns:repeat(2,1fr)}
 .aud-grid,.voice-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:42px 34px}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex}
 .dock{flex-wrap:wrap;padding:10px 14px;border-radius:22px}
 .nav{
  order:3;flex-basis:100%;
  margin:8px 0 0;padding:10px;
  flex-direction:column;align-items:stretch;gap:6px;
  display:none;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow)
 }
 .nav.open{display:flex}
 .nav a{justify-content:flex-start;padding:12px 16px;border-radius:12px;font-size:15px}
 .dock-cta{margin-left:0;order:2}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .cat-hero-inner{padding:32px 22px;border-radius:22px}
 .pain-card{flex-direction:column;gap:14px}
 .step-grid,.data-band,.aud-grid,.voice-grid,.post-grid{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr}
 .hero-actions .btn{flex:1 1 auto}
 .cta-band{padding:34px 22px;border-radius:22px}
 .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:15.5px}
 .brand-mark{width:32px;height:32px;border-radius:10px}
 .cat-hero h1{font-size:25px}
 .cat-hero-lead{font-size:14.5px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-item p{padding:0 18px 18px}
 .badge-row li{font-size:12.5px;padding:7px 12px}
 .dock-cta{padding:9px 16px;font-size:13.5px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}