/* roulang page: index */
:root{
  --navy:#1a1f3d;
  --navy-deep:#0d1128;
  --navy-soft:#252c55;
  --gold:#ffb400;
  --gold-light:#ffd15c;
  --gold-deep:#f08c00;
  --cyan:#37e6d0;
  --bg:#f4f6fb;
  --bg-alt:#eaeefa;
  --card:#ffffff;
  --text:#1a1e33;
  --muted:#5f6a85;
  --line:#e2e7f3;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(20,26,54,.06);
  --shadow-md:0 14px 34px rgba(20,26,54,.10);
  --shadow-gold:0 12px 26px rgba(255,180,0,.30);
  --maxw:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:3px solid rgba(55,230,208,.75);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(18,22,45,.42);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(13,17,40,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.32);
  border-bottom-color:rgba(255,255,255,.06);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  color:#20180a;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:#fff;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:9px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{color:#fff;background:rgba(255,180,0,.18);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.nav-cta{margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:11px;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  color:#231a05;box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);}
.btn-ghost{
  color:#fff;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-line{
  color:#fff;border:1px solid rgba(255,255,255,.34);background:transparent;
}
.btn-line:hover{background:rgba(255,255,255,.14);}
.btn-dark{
  background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);
}
.btn-dark:hover{background:var(--navy-soft);transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:13px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:150px 0 0;
  background:var(--navy-deep);
  color:#fff;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;
  transform:scale(1.04);
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 18% 12%, rgba(55,230,208,.22), transparent 62%),
    radial-gradient(760px 420px at 84% 8%, rgba(255,180,0,.24), transparent 60%),
    linear-gradient(180deg, rgba(11,15,36,.86) 0%, rgba(15,20,48,.92) 58%, rgba(13,17,40,.98) 100%);
}
.hero-inner{position:relative;z-index:2;padding-bottom:56px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:13.5px;font-weight:700;letter-spacing:.6px;
  color:#ffe6a8;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.4);
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.hero-title{
  margin:24px 0 20px;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:.5px;
  max-width:900px;
  background:linear-gradient(120deg,#ffffff 30%,#ffe0a1 72%,#8ff3e7 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{
  max-width:760px;
  font-size:16.5px;
  line-height:1.95;
  color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- countdown ---------- */
.countdown-bar{
  position:relative;z-index:2;
  background:linear-gradient(90deg, rgba(255,180,0,.16), rgba(55,230,208,.14));
  border-top:1px solid rgba(255,255,255,.14);
  border-bottom:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(6px);
}
.countdown-inner{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  padding-top:16px;padding-bottom:16px;
}
.cd-label{font-size:14.5px;font-weight:700;color:#ffe6a8;letter-spacing:.4px;}
.cd-nums{display:flex;align-items:center;gap:8px;}
.cd-cell{
  display:flex;align-items:baseline;gap:4px;
  padding:6px 12px;border-radius:9px;
  background:rgba(9,12,30,.55);
  border:1px solid rgba(255,255,255,.14);
}
.cd-cell b{font-size:20px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.cd-cell i{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);}
.cd-sep{color:rgba(255,255,255,.5);font-weight:700;}
.countdown-inner .btn{margin-left:auto;padding:10px 20px;font-size:14px;}

/* ---------- sections ---------- */
.section{padding:76px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--navy);color:#fff;}
.section-head{max-width:790px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:13px;font-weight:800;letter-spacing:2px;
  color:var(--gold-deep);
}
.section-dark .eyebrow{color:var(--gold-light);}
.section-head h2{
  font-size:clamp(23px,2.7vw,32px);
  line-height:1.34;font-weight:800;letter-spacing:.3px;
  color:var(--navy);
}
.section-dark .section-head h2{color:#fff;}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted);}
.section-dark .section-head p{color:rgba(255,255,255,.74);}

/* ---------- stats ---------- */
.stats-section{padding:0;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  transform:translateY(-42px);
}
.stat{
  background:var(--card);border-radius:var(--radius);
  padding:24px 22px;border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(20,26,54,.14);}
.stat b{
  display:block;font-size:29px;font-weight:800;letter-spacing:.5px;
  color:var(--navy);
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--muted);}
.stat::after{
  content:"";display:block;width:38px;height:3px;border-radius:3px;margin-top:14px;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
}

/* ---------- grid & cards ---------- */
.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#d5ddf0;}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:22px;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(255,180,0,.20),rgba(55,230,208,.20));
  border:1px solid rgba(26,31,61,.08);
}
.card h3{font-size:18px;font-weight:800;color:var(--navy);margin-bottom:10px;}
.card p{font-size:14.8px;color:var(--muted);line-height:1.85;}
.card-meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  display:inline-block;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  color:#8a5f00;background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.28);
}
.chip-cyan{color:#0a6a60;background:rgba(55,230,208,.14);border-color:rgba(55,230,208,.34);}

/* ---------- catalog ---------- */
.catalog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.catalog-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.catalog-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.catalog-num{
  flex-shrink:0;width:40px;height:40px;border-radius:11px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy-soft));
}
.catalog-body{min-width:0;}
.catalog-body h4{font-size:16px;font-weight:800;color:var(--navy);}
.catalog-body p{font-size:13.8px;color:var(--muted);margin-top:3px;}
.catalog-count{
  margin-left:auto;flex-shrink:0;font-size:13px;font-weight:700;color:var(--gold-deep);
  background:rgba(255,180,0,.12);border-radius:8px;padding:4px 10px;
}

/* ---------- voices ---------- */
.voice{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:26px 24px;
  transition:background .25s ease,transform .25s ease;
}
.voice:hover{background:rgba(255,255,255,.11);transform:translateY(-4px);}
.voice p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.86);}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:20px;}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;color:#1a1e33;
  background:linear-gradient(135deg,var(--gold-light),var(--cyan));
}
.voice-who strong{display:block;font-size:15px;color:#fff;}
.voice-who span{display:block;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- results ---------- */
.result-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.result-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.result-top h4{font-size:16px;font-weight:800;color:var(--navy);}
.result-bars{display:grid;gap:10px;margin-top:14px;}
.bar-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.bar-track{flex:1;height:9px;border-radius:6px;background:#eef1f9;overflow:hidden;}
.bar-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--gold),var(--gold-deep));}
.bar-fill.cyan{background:linear-gradient(90deg,var(--cyan),#1bb9a6);}
.bar-val{width:52px;text-align:right;font-weight:700;color:var(--navy);font-variant-numeric:tabular-nums;}

/* ---------- preview ---------- */
.preview-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
}
.preview-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 26px 60px rgba(15,20,48,.28);
}
.preview-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.preview-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,17,40,0) 42%,rgba(13,17,40,.72) 100%);
}
.preview-badge{
  position:absolute;z-index:2;left:18px;bottom:18px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
  color:#231a05;background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  box-shadow:var(--shadow-gold);
}
.preview-text h2{
  font-size:clamp(22px,2.5vw,30px);line-height:1.35;font-weight:800;color:var(--navy);
}
.preview-text p{margin-top:16px;font-size:15.5px;line-height:1.92;color:var(--muted);}
.preview-points{display:grid;gap:12px;margin-top:24px;}
.preview-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--card);border:1px solid var(--line);font-size:14.8px;color:var(--text);
}
.preview-points li::before{
  content:"✓";flex-shrink:0;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  color:#0d1128;background:linear-gradient(135deg,var(--gold-light),var(--cyan));
}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-col{
  border-radius:var(--radius-lg);padding:28px 26px;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-sm);
}
.compare-col.highlight{
  background:linear-gradient(160deg,var(--navy),#232a52);
  border-color:transparent;color:#fff;box-shadow:0 20px 46px rgba(15,20,48,.28);
}
.compare-col h3{font-size:19px;font-weight:800;margin-bottom:16px;color:var(--navy);}
.compare-col.highlight h3{color:#fff;}
.compare-col ul{display:grid;gap:12px;}
.compare-col li{font-size:14.8px;line-height:1.8;color:var(--muted);display:flex;gap:10px;}
.compare-col.highlight li{color:rgba(255,255,255,.82);}
.compare-col li::before{content:"—";color:#c3cbe0;font-weight:800;}
.compare-col.highlight li::before{content:"◆";color:var(--gold);font-size:12px;line-height:2.2;}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:22px;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--gold),var(--cyan),transparent);
}
.tl-item{position:relative;padding-left:12px;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);
}
.tl-item h4{font-size:16.5px;font-weight:800;color:var(--navy);}
.tl-item span{display:inline-block;margin-top:2px;font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:.5px;}
.tl-item p{margin-top:8px;font-size:14.6px;color:var(--muted);line-height:1.85;}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,.88fr);gap:28px;align-items:start;}
.news-list{display:grid;gap:16px;}
.news-item{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d5ddf0;}
.news-thumb{display:block;border-radius:10px;overflow:hidden;background:#eef1f9;}
.news-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .4s ease;}
.news-item:hover .news-thumb img{transform:scale(1.06);}
.news-body{min-width:0;display:flex;flex-direction:column;}
.news-body h3{font-size:16.5px;font-weight:800;line-height:1.5;color:var(--navy);margin:8px 0 8px;}
.news-body h3 a:hover{color:var(--gold-deep);}
.news-body p{font-size:14.2px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-date{margin-top:auto;padding-top:10px;font-size:12.8px;color:#8b94ad;}
.news-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.news-side h3{
  font-size:16px;font-weight:800;color:var(--navy);
  padding-bottom:14px;margin-bottom:8px;border-bottom:1px solid var(--line);
}
.side-item{
  display:block;padding:13px 0;border-bottom:1px dashed var(--line);
  transition:padding-left .2s ease;
}
.side-item:last-child{border-bottom:0;}
.side-item:hover{padding-left:5px;}
.side-item span{display:block;font-size:14.6px;font-weight:700;color:var(--text);line-height:1.6;}
.side-item:hover span{color:var(--gold-deep);}
.side-item em{display:block;font-style:normal;font-size:12.5px;color:#8b94ad;margin-top:4px;}
.empty-note{
  padding:44px 26px;text-align:center;border-radius:var(--radius);
  background:var(--card);border:1px dashed #cfd7ea;color:var(--muted);font-size:15px;
}

/* ---------- guarantee ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.guarantee{
  padding:24px 20px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  transition:background .24s ease,transform .24s ease;
}
.guarantee:hover{background:rgba(255,255,255,.13);transform:translateY(-4px);}
.guarantee .gi{font-size:22px;margin-bottom:10px;display:block;}
.guarantee h4{font-size:16px;font-weight:800;color:#fff;margin-bottom:8px;}
.guarantee p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}

/* ---------- objection ---------- */
.objection{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.obj-card{
  border-radius:var(--radius);padding:24px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.obj-card h4{font-size:16.5px;font-weight:800;color:var(--navy);margin-bottom:10px;}
.obj-card p{font-size:14.8px;color:var(--muted);line-height:1.86;}
.obj-tag{
  display:inline-block;margin-bottom:12px;padding:3px 11px;border-radius:999px;
  font-size:12px;font-weight:800;letter-spacing:1px;
}
.obj-tag.q{color:#8a5f00;background:rgba(255,180,0,.16);}
.obj-tag.a{color:#0a6a60;background:rgba(55,230,208,.16);}

/* ---------- accordion ---------- */
.acc{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.acc details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;box-shadow:var(--shadow-sm);transition:border-color .22s ease,box-shadow .22s ease;
}
.acc details[open]{border-color:rgba(255,180,0,.5);box-shadow:0 14px 32px rgba(20,26,54,.10);}
.acc summary{
  list-style:none;cursor:pointer;padding:18px 30px 18px 0;position:relative;
  font-size:16px;font-weight:800;color:var(--navy);line-height:1.6;
}
.acc summary::-webkit-details-marker{display:none;}
.acc summary::after{
  content:"+";position:absolute;right:0;top:16px;font-size:21px;font-weight:700;
  color:var(--gold-deep);transition:transform .25s ease;
}
.acc details[open] summary::after{content:"−";}
.acc details p{padding:0 0 20px;font-size:14.8px;color:var(--muted);line-height:1.9;}

/* ---------- form ---------- */
.join-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.join-text h2{font-size:clamp(23px,2.6vw,31px);font-weight:800;line-height:1.35;color:#fff;}
.join-text p{margin-top:16px;font-size:15.4px;line-height:1.92;color:rgba(255,255,255,.76);}
.join-notes{display:grid;gap:10px;margin-top:24px;}
.join-notes li{font-size:14.4px;color:rgba(255,255,255,.78);display:flex;gap:10px;}
.join-notes li::before{content:"★";color:var(--gold);font-size:12px;line-height:2;}
.join-form{
  background:rgba(255,255,255,.97);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:0 26px 60px rgba(0,0,0,.30);
}
.join-form h3{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:6px;}
.join-form .sub{font-size:13.8px;color:var(--muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.8px;font-weight:700;color:var(--navy);margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#f8fafd;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--gold);background:#fff;
  box-shadow:0 0 0 3px rgba(255,180,0,.20);
}
.join-form .btn{width:100%;margin-top:6px;}
.form-note{margin-top:14px;font-size:13.2px;color:#0a6a60;min-height:20px;text-align:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.2px;line-height:1.9;color:rgba(255,255,255,.62);max-width:330px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.62);}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:22px;padding-bottom:26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.2px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--gold-light);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .preview-wrap{grid-template-columns:1fr;gap:26px;}
  .join-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 22px 20px;
    background:rgba(13,17,40,.98);
    border-bottom:1px solid rgba(255,255,255,.10);
    box-shadow:0 20px 40px rgba(0,0,0,.4);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 14px;}
  .nav-link.is-active::after{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:58px 0;}
  .hero{padding-top:120px;}
  .stats-grid{transform:translateY(-28px);}
  .catalog-list{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .objection{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .stats-grid{grid-template-columns:1fr;gap:12px;}
  .grid-3{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-thumb img{aspect-ratio:16/9;}
  .hero-actions .btn{width:100%;}
  .countdown-inner{gap:12px;}
  .countdown-inner .btn{margin-left:0;width:100%;}
  .cd-cell b{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;}
  .join-form{padding:24px 20px;}
  .section{padding:48px 0;}
}

/* roulang page: category1 */
:root{
 --navy:#1a1f3d;
 --navy-deep:#0d1128;
 --navy-soft:#252c55;
 --gold:#ffb400;
 --gold-light:#ffd15c;
 --gold-deep:#f08c00;
 --cyan:#37e6d0;
 --bg:#f4f6fb;
 --bg-alt:#eaeefa;
 --card:#ffffff;
 --text:#1a1e33;
 --muted:#5f6a85;
 --line:#e2e7f3;
 --radius-sm:10px;
 --radius:14px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(20,26,54,.06);
 --shadow-md:0 14px 34px rgba(20,26,54,.10);
 --shadow-gold:0 12px 26px rgba(255,180,0,.30);
 --maxw:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:100;
 background:rgba(18,22,45,.42);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(255,255,255,.12);
 transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
 background:rgba(13,17,40,.94);
 box-shadow:0 10px 30px rgba(0,0,0,.32);
 border-bottom-color:rgba(255,255,255,.06);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 color:#20180a;font-weight:800;font-size:19px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:#fff;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
 position:relative;
 padding:9px 14px;border-radius:9px;
 font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
 transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{color:#fff;background:rgba(255,180,0,.18);}
.nav-link.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
 border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.nav-link:focus-visible,.brand:focus-visible,.nav-toggle:focus-visible,.btn:focus-visible{
 outline:2px solid var(--cyan);outline-offset:3px;
}
.nav-cta{margin-left:auto;}
.nav-toggle{
 display:none;width:44px;height:44px;margin-left:auto;border-radius:10px;
 border:1px solid rgba(255,255,255,.22);
 background:rgba(255,255,255,.08);
 flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:11px;
 font-size:15px;font-weight:700;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:#231a05;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-dark{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--navy-soft);transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:13px;}

/* ---------- category hero ---------- */
.cat-hero{
 position:relative;overflow:hidden;
 padding:138px 0 72px;
 background:var(--navy-deep);
 color:#fff;
}
.cat-hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/金蟾千炮捕鱼.webp') center/cover no-repeat;
 opacity:.34;
 transform:scale(1.05);
}
.cat-hero-overlay{
 position:absolute;inset:0;
 background:
  radial-gradient(820px 420px at 14% 10%,rgba(55,230,208,.22),transparent 62%),
  radial-gradient(720px 400px at 86% 6%,rgba(255,180,0,.24),transparent 60%),
  linear-gradient(180deg,rgba(11,15,36,.88) 0%,rgba(15,20,48,.93) 60%,rgba(13,17,40,.98) 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:880px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);}
.crumb a{color:rgba(255,255,255,.82);transition:color .2s ease;}
.crumb a:hover{color:var(--gold-light);}
.crumb .sep{color:rgba(255,255,255,.36);}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;margin-top:20px;
 padding:7px 16px;border-radius:999px;
 font-size:13.5px;font-weight:700;letter-spacing:.6px;
 color:#ffe6a8;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.4);
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.cat-hero h1{
 margin:20px 0 18px;
 font-size:clamp(28px,3.9vw,46px);
 line-height:1.24;
 letter-spacing:.5px;
 background:linear-gradient(120deg,#ffffff 30%,#ffe0a1 72%,#8ff3e7 100%);
 -webkit-background-clip:text;background-clip:text;
 -webkit-text-fill-color:transparent;
}
.cat-hero p.lead{
 font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.84);max-width:740px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.55);}

/* ---------- sections ---------- */
.section{padding:76px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;}
.section-head{max-width:820px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-block;margin-bottom:12px;
 font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:var(--gold-deep);
 padding:5px 12px;border-radius:999px;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.32);
}
.section-dark .eyebrow{color:#ffd98a;background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.36);}
.section-title{font-size:clamp(23px,2.6vw,33px);color:var(--navy);}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.95;color:var(--muted);}
.section-dark .section-desc{color:rgba(255,255,255,.76);}

/* ---------- metrics board ---------- */
.metrics-grid{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
}
.metric{
 position:relative;overflow:hidden;
 padding:24px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5);background:rgba(255,255,255,.09);}
.metric::after{
 content:"";position:absolute;right:-26px;top:-26px;width:78px;height:78px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 70%);
}
.metric-num{font-size:32px;font-weight:800;letter-spacing:-.5px;color:var(--gold-light);line-height:1.1;}
.metric-num small{font-size:15px;font-weight:700;margin-left:3px;color:rgba(255,255,255,.7);}
.metric-label{margin-top:10px;font-size:14.5px;font-weight:700;color:#fff;}
.metric-text{margin-top:6px;font-size:13px;line-height:1.75;color:rgba(255,255,255,.6);}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.play-card{
 display:flex;flex-direction:column;
 background:var(--card);border-radius:var(--radius);
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 overflow:hidden;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.play-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.play-card-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--navy-soft);}
.play-card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.play-card:hover .play-card-figure img{transform:scale(1.06);}
.play-card-badge{
 position:absolute;left:12px;top:12px;
 padding:5px 11px;border-radius:999px;
 font-size:12px;font-weight:800;letter-spacing:.4px;
 background:rgba(13,17,40,.78);color:var(--gold-light);
 border:1px solid rgba(255,180,0,.5);
 backdrop-filter:blur(6px);
}
.play-card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.play-card-body h3{font-size:17.5px;color:var(--navy);}
.play-card-body p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:10px;}
.tag{
 display:inline-block;padding:4px 10px;border-radius:999px;
 font-size:12.5px;font-weight:700;
 color:#8a5a00;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.3);
}

/* ---------- comparison ---------- */
.compare-wrap{
 display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.compare-col{
 background:var(--card);border-radius:var(--radius);
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
 padding:26px 24px;
}
.compare-col.is-good{border-color:rgba(55,230,208,.55);box-shadow:0 14px 34px rgba(55,150,140,.14);}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.compare-dot{width:11px;height:11px;border-radius:50%;background:#c9d1e4;}
.compare-col.is-good .compare-dot{background:var(--cyan);box-shadow:0 0 10px rgba(55,230,208,.8);}
.compare-head h3{font-size:17px;color:var(--navy);}
.compare-list{display:flex;flex-direction:column;gap:12px;}
.compare-list li{
 position:relative;padding-left:26px;
 font-size:14.5px;line-height:1.8;color:var(--muted);
}
.compare-list li::before{
 content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
 background:#d3daea;
}
.compare-col.is-good .compare-list li::before{background:linear-gradient(135deg,var(--cyan),#25b7a6);}
.compare-list li b{color:var(--navy);font-weight:700;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
 content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.12));
}
.timeline li{position:relative;padding:0 0 26px 18px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
 content:"";position:absolute;left:-26px;top:7px;width:13px;height:13px;border-radius:50%;
 background:var(--card);border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.timeline .tl-date{font-size:12.5px;font-weight:800;letter-spacing:1px;color:var(--gold-deep);}
.timeline .tl-title{margin-top:4px;font-size:16px;font-weight:800;color:var(--navy);}
.timeline .tl-text{margin-top:5px;font-size:14.5px;line-height:1.8;color:var(--muted);}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 padding:22px;border-radius:var(--radius);
 background:var(--card);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(55,230,208,.5);}
.news-cat{
 align-self:flex-start;
 padding:3px 10px;border-radius:999px;
 font-size:12px;font-weight:800;
 color:#0e5f57;background:rgba(55,230,208,.18);
 border:1px solid rgba(55,230,208,.4);
}
.news-card h3{font-size:16.5px;color:var(--navy);line-height:1.55;}
.news-card p{font-size:14px;line-height:1.78;color:var(--muted);}
.news-date{margin-top:auto;padding-top:8px;font-size:12.5px;color:#97a1b8;letter-spacing:.4px;}
.news-empty{
 padding:30px;border-radius:var(--radius);text-align:center;
 background:var(--card);border:1px dashed var(--line);
 color:var(--muted);font-size:15px;
}

/* ---------- guarantees ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.guard{
 padding:24px 20px;border-radius:var(--radius);
 background:var(--card);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease;
}
.guard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.guard-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 font-size:18px;font-weight:800;color:#231a05;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 8px 18px rgba(255,180,0,.28);
 margin-bottom:14px;
}
.guard h3{font-size:16px;color:var(--navy);}
.guard p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--muted);}

/* ---------- quick answers ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.quick-item{
 padding:22px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 transition:background .25s ease,border-color .25s ease;
}
.quick-item:hover{background:rgba(255,255,255,.1);border-color:rgba(55,230,208,.45);}
.quick-item h3{font-size:15.5px;color:var(--gold-light);}
.quick-item p{margin-top:8px;font-size:14px;line-height:1.82;color:rgba(255,255,255,.72);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
 border-radius:var(--radius);
 background:var(--card);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 overflow:hidden;
 transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;cursor:pointer;
 font-size:16px;font-weight:700;color:var(--navy);
 list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:800;color:var(--gold-deep);
 transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 22px 20px;font-size:14.5px;line-height:1.9;color:var(--muted);}

/* ---------- join form ---------- */
.join-card{
 display:grid;grid-template-columns:1.05fr 1fr;gap:36px;
 padding:38px;border-radius:var(--radius-lg);
 background:linear-gradient(150deg,var(--navy) 0%,var(--navy-deep) 100%);
 color:#fff;box-shadow:var(--shadow-md);
 border:1px solid rgba(255,255,255,.1);
}
.join-copy h2{font-size:clamp(22px,2.4vw,30px);color:#fff;}
.join-copy p{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.76);}
.join-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.join-points li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(255,255,255,.82);}
.join-points li::before{
 content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
 background:var(--cyan);box-shadow:0 0 8px rgba(55,230,208,.9);
}
.join-form{display:flex;flex-direction:column;gap:14px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13.5px;font-weight:700;color:rgba(255,255,255,.8);}
.field input,.field select{
 width:100%;padding:12px 14px;
 border-radius:11px;border:1px solid rgba(255,255,255,.2);
 background:rgba(255,255,255,.08);color:#fff;
 transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.45);}
.field select option{color:var(--text);}
.field input:focus,.field select:focus{
 outline:none;border-color:var(--gold);
 background:rgba(255,255,255,.14);
 box-shadow:0 0 0 3px rgba(255,180,0,.22);
}
.join-form .btn{width:100%;margin-top:4px;}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0;}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;
 padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 padding:20px 22px;border-top:1px solid rgba(255,255,255,.08);
 font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
 .join-card{grid-template-columns:1fr;gap:28px;padding:30px;}
 .compare-wrap{grid-template-columns:1fr;}
}
@media (max-width:860px){
 .nav-links{
  position:absolute;top:74px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 18px 18px;margin-left:0;
  background:rgba(13,17,40,.98);
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 34px rgba(0,0,0,.4);
  display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;border-radius:10px;}
 .nav-link.is-active::after{left:14px;right:auto;width:26px;}
 .nav-toggle{display:flex;}
 .nav-cta{display:none;}
 .cat-hero{padding:120px 0 58px;}
 .section{padding:58px 0;}
}
@media (max-width:768px){
 .card-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .guard-grid{grid-template-columns:1fr;}
 .quick-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .nav-wrap{height:66px;gap:12px;}
 .brand-text{font-size:16px;}
 .nav-links{top:66px;}
 .cat-hero{padding:108px 0 50px;}
 .cat-hero h1{font-size:26px;}
 .cat-hero p.lead{font-size:15px;}
 .hero-actions{flex-direction:column;align-items:stretch;}
 .hero-actions .btn{width:100%;}
 .metrics-grid{grid-template-columns:1fr;}
 .section{padding:48px 0;}
 .footer-grid{grid-template-columns:1fr;gap:24px;}
 .join-card{padding:24px 20px;border-radius:var(--radius);}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
 .faq-item summary{padding:16px 18px;font-size:15px;}
 .faq-item p{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --navy:#1a1f3d;
  --navy-deep:#0d1128;
  --navy-soft:#252c55;
  --gold:#ffb400;
  --gold-light:#ffd15c;
  --gold-deep:#f08c00;
  --cyan:#37e6d0;
  --bg:#f4f6fb;
  --bg-alt:#eaeefa;
  --card:#ffffff;
  --text:#1a1e33;
  --muted:#5f6a85;
  --line:#e2e7f3;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(20,26,54,.06);
  --shadow-md:0 14px 34px rgba(20,26,54,.10);
  --shadow-gold:0 12px 26px rgba(255,180,0,.30);
  --maxw:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
ul,ol{padding-left:1.2em;}
::selection{background:rgba(255,180,0,.28);color:var(--navy-deep);}
:focus-visible{outline:3px solid rgba(255,180,0,.72);outline-offset:3px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(18,22,45,.42);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(13,17,40,.95);
  box-shadow:0 10px 30px rgba(0,0,0,.32);
  border-bottom-color:rgba(255,255,255,.06);
}
.nav-wrap{position:relative;display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  color:#20180a;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:#fff;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:9px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{color:#fff;background:rgba(255,180,0,.18);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.nav-cta{margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:11px;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  color:#231a05;box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);}
.btn-dark{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--navy-soft);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:13px;}
.article-hero{
  position:relative;overflow:hidden;
  padding:146px 0 76px;
  background:var(--navy-deep);
  color:#fff;
}
.article-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.28;
  filter:saturate(.9) contrast(1.05);
  transform:scale(1.04);
}
.article-hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 16% 10%,rgba(55,230,208,.22),transparent 62%),
    radial-gradient(760px 420px at 86% 10%,rgba(255,180,0,.24),transparent 60%),
    radial-gradient(600px 380px at 52% 100%,rgba(55,230,208,.12),transparent 70%),
    linear-gradient(180deg,rgba(11,15,36,.86) 0%,rgba(15,20,48,.92) 58%,rgba(13,17,40,.98) 100%);
}
.article-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-bottom:26px;font-size:13.5px;color:rgba(255,255,255,.58);
}
.breadcrumb a{color:rgba(255,255,255,.76);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb span{color:rgba(255,255,255,.38);}
.article-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
  gap:46px;align-items:center;
}
.article-kicker{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-bottom:16px;font-size:13px;font-weight:700;letter-spacing:.8px;
  color:rgba(255,255,255,.64);
}
.badge{
  display:inline-flex;align-items:center;justify-content:center;gap:5px;
  width:fit-content;padding:4px 10px;border-radius:999px;
  background:rgba(255,180,0,.14);color:var(--gold-deep);
  font-size:12px;font-weight:700;border:1px solid rgba(255,180,0,.25);
}
.article-kicker .badge{
  color:#ffe6a8;background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.4);
}
.article-title{
  margin:0 0 18px;
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:.3px;
  overflow-wrap:anywhere;
  color:#fff;
  background:linear-gradient(120deg,#ffffff 30%,#ffe0a1 72%,#8ff3e7 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.article-summary{
  max-width:780px;
  margin:0 0 24px;
  color:rgba(255,255,255,.82);
  font-size:16.5px;
  line-height:1.95;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  color:rgba(255,255,255,.6);font-size:13.5px;
}
.article-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.point-pill{
  padding:5px 11px;border-radius:999px;font-size:12.5px;
  color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
}
.article-cover{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 50px rgba(0,0,0,.32);
  background:rgba(255,255,255,.06);
}
.article-cover img{
  width:100%;height:320px;object-fit:cover;
  transition:transform .5s ease;
}
.article-cover:hover img{transform:scale(1.04);}
.cover-caption{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:10px 14px;border-radius:10px;
  font-size:12.5px;line-height:1.6;color:#fff;
  background:rgba(13,17,40,.72);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.section{padding:76px 0;position:relative;}
.section-alt{background:var(--bg-alt);}
.section-dark{
  background:linear-gradient(160deg,var(--navy-deep),var(--navy));
  color:#fff;
}
.section-head{max-width:790px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  margin:0 0 10px;
  font-size:clamp(25px,2.8vw,34px);
  line-height:1.35;
  color:var(--text);
}
.section-dark .section-head h2{color:#fff;}
.section-head p{
  margin:0;color:var(--muted);
  font-size:15.5px;line-height:1.9;
}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:12.5px;font-weight:800;letter-spacing:2px;
  color:var(--gold-deep);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold);}
.split-head{
  max-width:none;
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
}
.split-head > div{max-width:620px;}
.split-head > p{max-width:430px;margin:0;}
.article-section{padding-top:54px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:38px;align-items:start;
}
.article-main{min-width:0;}
.article-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px 42px;
  box-shadow:var(--shadow-sm);
}
.article-body > :first-child{margin-top:0;}
.article-body h2{
  margin:38px 0 14px;
  font-size:26px;line-height:1.45;
  padding-left:14px;
  border-left:4px solid var(--gold);
}
.article-body h3{margin:28px 0 10px;font-size:20px;line-height:1.5;}
.article-body h4{margin:22px 0 8px;font-size:17px;line-height:1.55;}
.article-body p{margin:0 0 16px;color:#333a52;}
.article-body a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--navy);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:1.3em;}
.article-body li{margin-bottom:8px;}
.article-body img{border-radius:12px;margin:20px auto;box-shadow:var(--shadow-sm);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:#f7f9ff;
  border-left:4px solid var(--cyan);
  border-radius:0 12px 12px 0;
  color:#3f4966;
}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:22px 0;font-size:14.5px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:11px 12px;text-align:left;vertical-align:top;
}
.article-body th{background:#f2f5fd;font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}
.article-body code{
  background:#eef2fb;padding:2px 6px;border-radius:6px;font-size:.92em;
}
.empty-state{padding:54px 20px;text-align:center;}
.empty-state h2{border:0;padding:0;margin:0 0 18px;font-size:26px;}
.empty-state .btn{margin-top:8px;}
.article-side{position:sticky;top:94px;}
.side-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.side-title{
  font-size:16px;margin:0 0 16px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.info-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.info-list li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;line-height:1.6;}
.info-list span{color:var(--muted);flex-shrink:0;}
.info-list strong{font-weight:600;text-align:right;color:var(--text);}
.side-card-gold{
  background:linear-gradient(145deg,#fff8e8,#fff);
  border-color:rgba(255,180,0,.35);
}
.side-eyebrow{
  display:inline-block;margin-bottom:8px;
  font-size:12px;font-weight:800;letter-spacing:1.5px;
  color:var(--gold-deep);
}
.side-card-gold h3{margin:0 0 10px;font-size:19px;line-height:1.45;}
.side-card-gold p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.85;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tags span{
  padding:5px 10px;border-radius:999px;
  background:#f2f5fd;color:#44506e;font-size:12.5px;
  border:1px solid #e6ebf8;
}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card::after{
  content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
  border-radius:3px 3px 0 0;opacity:.9;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.32);}
.metric-label{font-size:13px;color:var(--muted);}
.metric-value{
  display:block;margin:8px 0 6px;
  font-size:40px;line-height:1;font-weight:800;
  color:var(--navy);letter-spacing:-1px;
}
.metric-value small{font-size:17px;color:var(--gold-deep);margin-left:2px;letter-spacing:0;}
.metric-note{margin:0;font-size:13px;line-height:1.75;color:var(--muted);}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
  position:relative;overflow:hidden;display:block;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card::before{
  content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(55,230,208,.16),transparent 70%);
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-md);}
.channel-index{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--gold-deep);}
.channel-card h3{margin:14px 0 8px;font-size:21px;}
.channel-card p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.85;}
.channel-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--navy);}
.channel-link::after{content:"→";transition:transform .2s ease;}
.channel-card:hover .channel-link::after{transform:translateX(4px);}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.compare-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;
  box-shadow:var(--shadow-sm);
}
.compare-card h3{margin:0 0 8px;font-size:21px;}
.compare-tag{
  display:inline-block;width:fit-content;margin-bottom:14px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:#4a5573;
  background:#f2f5fd;border:1px solid #e5eaf7;
}
.tick-list{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.tick-list li{
  position:relative;padding-left:22px;
  font-size:14px;color:#4f5b78;line-height:1.75;
}
.tick-list li::before{
  content:"✓";position:absolute;left:0;top:0;
  color:var(--gold-deep);font-weight:800;
}
.compare-card-highlight{
  background:linear-gradient(155deg,var(--navy-deep),var(--navy));
  color:#fff;border-color:rgba(255,180,0,.38);
  box-shadow:var(--shadow-md);
}
.compare-card-highlight h3{color:#fff;}
.compare-card-highlight .compare-tag{
  color:#ffe6a8;background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.35);
}
.compare-card-highlight .tick-list li{color:rgba(255,255,255,.82);}
.compare-card-highlight .tick-list li::before{color:var(--gold);}
.compare-card .badge{margin-bottom:12px;}
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;
  border-radius:2px;
  background:linear-gradient(var(--gold),var(--cyan),transparent);
  opacity:.8;
}
.timeline-item{
  position:relative;margin-bottom:16px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;
  box-shadow:var(--shadow-sm);
}
.timeline-item::before{
  content:"";position:absolute;left:-29px;top:28px;
  width:12px;height:12px;border-radius:50%;
  background:var(--gold);border:3px solid #fff;
  box-shadow:0 0 0 2px rgba(255,180,0,.3);
}
.timeline-date{
  display:inline-block;margin-bottom:6px;
  font-size:12px;font-weight:800;letter-spacing:1px;color:var(--gold-deep);
}
.timeline-item h3{margin:0 0 6px;font-size:18px;}
.timeline-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8;}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.quick-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);
}
.quick-num{
  display:inline-block;margin-bottom:12px;
  font-size:12px;font-weight:800;letter-spacing:2px;color:var(--gold-deep);
}
.quick-card h3{margin:0 0 8px;font-size:18px;}
.quick-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8;}
.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.assurance-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:24px;
  transition:background .22s ease,transform .22s ease;
}
.assurance-item:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.assurance-num{display:block;margin-bottom:20px;font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold);}
.assurance-item h3{margin:0 0 8px;font-size:18px;color:#fff;}
.assurance-item p{margin:0;color:rgba(255,255,255,.68);font-size:14px;line-height:1.8;}
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:15.5px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--gold-deep);
  flex-shrink:0;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.9;}
.faq-answer p{margin:0;}
.cta-section{
  overflow:hidden;color:#fff;
  background:
    radial-gradient(800px 420px at 12% 12%,rgba(55,230,208,.16),transparent 64%),
    radial-gradient(680px 360px at 90% 20%,rgba(255,180,0,.18),transparent 60%),
    linear-gradient(145deg,var(--navy-deep),var(--navy-soft));
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;}
.cta-copy h2{
  margin:0 0 14px;
  font-size:clamp(26px,3vw,36px);
  line-height:1.4;color:#fff;
}
.cta-copy p{margin:0;color:rgba(255,255,255,.76);line-height:1.95;font-size:15.5px;}
.cta-points{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px 18px;margin:22px 0 0;}
.cta-points li{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.76);font-size:13.5px;}
.cta-points li::before{content:"◆";color:var(--gold);font-size:9px;}
.join-form{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:0 24px 50px rgba(0,0,0,.28);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.field{margin-bottom:16px;}
.field label{display:block;margin-bottom:7px;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.86);}
.field input,.field select{
  width:100%;height:46px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.96);color:var(--text);
  padding:0 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(255,180,0,.22);
}
.form-note{margin:12px 0 0;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55);}
.form-status{
  display:none;margin-top:12px;padding:10px 12px;border-radius:8px;
  background:rgba(55,230,208,.12);border:1px solid rgba(55,230,208,.3);
  color:#bffcf4;font-size:13px;line-height:1.6;
}
.form-status.is-visible{display:block;}
.site-footer{
  background:var(--navy-deep);
  color:rgba(255,255,255,.66);
  padding:60px 0 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:38px;padding-bottom:42px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin:0;max-width:380px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-col h4{margin:0 0 16px;font-size:15px;color:#fff;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col li{font-size:13.5px;line-height:1.7;}
.footer-col a{transition:color .2s ease;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:rgba(255,255,255,.52);
}
@media (max-width:1080px){
  .article-hero-grid{grid-template-columns:1fr;gap:32px;}
  .article-cover{max-width:620px;}
  .article-layout{grid-template-columns:1fr;}
  .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .compare-grid{grid-template-columns:1fr;}
  .assurance-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:16px;right:16px;
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:12px;border-radius:16px;
    background:rgba(13,17,40,.98);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 22px 50px rgba(0,0,0,.45);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-link{padding:12px 14px;}
  .nav-link.is-active::after{left:14px;right:14px;bottom:6px;}
  .split-head{align-items:flex-start;flex-direction:column;gap:12px;}
  .split-head > p{max-width:610px;}
  .channel-grid{grid-template-columns:1fr 1fr;}
  .quick-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .article-hero{padding:126px 0 54px;}
  .article-cover img{height:260px;}
  .article-body{padding:26px 22px;}
  .section-head h2{font-size:26px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr;}
  .assurance-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-grid{grid-template-columns:1fr;gap:30px;}
  .article-side{grid-template-columns:1fr;}
  .timeline{padding-left:22px;}
  .timeline-item::before{left:-23px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .nav-wrap{height:66px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;font-size:17px;}
  .article-hero{padding:116px 0 46px;}
  .article-title{font-size:28px;line-height:1.32;}
  .article-summary{font-size:15px;}
  .article-meta{flex-direction:column;align-items:flex-start;gap:6px;font-size:12.5px;}
  .article-cover img{height:210px;}
  .metric-grid{grid-template-columns:1fr;}
  .assurance-grid{grid-template-columns:1fr;}
  .compare-card,.channel-card,.quick-card{padding:22px 18px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .join-form{padding:22px 18px;}
  .btn-lg{width:100%;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* roulang page: category2 */
:root{
 --navy:#1a1f3d;
 --navy-deep:#0d1128;
 --navy-soft:#252c55;
 --gold:#ffb400;
 --gold-light:#ffd15c;
 --gold-deep:#f08c00;
 --cyan:#37e6d0;
 --bg:#f4f6fb;
 --bg-alt:#eaeefa;
 --card:#ffffff;
 --text:#1a1e33;
 --muted:#5f6a85;
 --line:#e2e7f3;
 --radius-sm:10px;
 --radius:14px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(20,26,54,.06);
 --shadow-md:0 14px 34px rgba(20,26,54,.10);
 --shadow-gold:0 12px 26px rgba(255,180,0,.30);
 --maxw:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:100;
 background:rgba(18,22,45,.42);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(255,255,255,.12);
 transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled{
 background:rgba(13,17,40,.94);
 box-shadow:0 10px 30px rgba(0,0,0,.32);
 border-bottom-color:rgba(255,255,255,.06);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 color:#20180a;font-weight:800;font-size:19px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:#fff;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
 position:relative;
 padding:9px 14px;border-radius:9px;
 font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
 transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{color:#fff;background:rgba(255,180,0,.18);}
.nav-link.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
 border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.nav-cta{margin-left:auto;}
.nav-toggle{
 display:none;width:44px;height:44px;margin-left:auto;border-radius:10px;
 border:1px solid rgba(255,255,255,.22);
 background:rgba(255,255,255,.08);
 flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:11px;
 font-size:15px;font-weight:700;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-gold{
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 color:#231a05;box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-line{color:#fff;border:1px solid rgba(255,255,255,.34);background:transparent;}
.btn-line:hover{background:rgba(255,255,255,.14);}
.btn-dark{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--navy-soft);transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:13px;}

/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--navy-deep);color:#fff;padding:136px 0 74px;}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;transform:scale(1.06);}
.cat-hero-veil{
 position:absolute;inset:0;
 background:
 radial-gradient(880px 460px at 10% 6%,rgba(55,230,208,.22),transparent 62%),
 radial-gradient(720px 420px at 90% 0%,rgba(255,180,0,.24),transparent 58%),
 linear-gradient(180deg,rgba(10,14,34,.86) 0%,rgba(13,17,40,.94) 60%,rgba(13,17,40,1) 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.92fr);gap:46px;align-items:start;}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;
 font-size:13.5px;font-weight:700;letter-spacing:.6px;
 color:#ffe6a8;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.cat-hero-title{
 margin:22px 0 18px;
 font-size:clamp(28px,3.9vw,46px);
 line-height:1.26;font-weight:800;letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 34%,#ffe0a1 74%,#8ff3e7 100%);
 -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.cat-hero-lead{max-width:700px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.82);}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;}
.hero-checks{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;font-size:14px;color:rgba(255,255,255,.76);}
.hero-checks li{display:flex;align-items:center;gap:8px;}
.hero-checks li::before{content:"✓";color:var(--gold);font-weight:800;font-size:14px;}
.hero-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:18px;padding:26px 24px;
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
 box-shadow:0 24px 50px rgba(0,0,0,.28);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.22);}
.panel-title{font-size:16px;font-weight:800;color:#fff;}
.panel-badge{font-size:12px;font-weight:700;color:#231a05;background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));padding:4px 11px;border-radius:999px;white-space:nowrap;}
.panel-list{margin-top:16px;display:grid;gap:14px;}
.panel-list li{display:flex;gap:11px;font-size:14.5px;color:rgba(255,255,255,.84);line-height:1.7;}
.panel-list li i{
 flex:0 0 22px;height:22px;border-radius:7px;display:grid;place-items:center;
 font-size:12px;font-weight:800;font-style:normal;color:#231a05;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
}
.panel-stats{margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);}
.panel-stat b{display:block;font-size:19px;color:var(--gold-light);line-height:1.3;font-weight:800;}
.panel-stat small{font-size:12px;color:rgba(255,255,255,.62);}

/* ---------- sections ---------- */
.section{padding:74px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--navy);color:#fff;}
.section-head{max-width:790px;margin-bottom:36px;}
.eyebrow{
 display:inline-block;margin-bottom:10px;
 font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:var(--gold-deep);
}
.section-dark .eyebrow{color:var(--gold-light);}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.36;font-weight:800;letter-spacing:.3px;}
.section-title em{font-style:normal;color:var(--gold-deep);}
.section-dark .section-title em{color:var(--gold-light);}
.section-lead{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}
.section-dark .section-lead{color:rgba(255,255,255,.74);}

/* ---------- metric board ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.metric-num{font-size:30px;font-weight:800;line-height:1.1;color:var(--navy);letter-spacing:.5px;}
.metric-num span{font-size:15px;color:var(--gold-deep);margin-left:2px;}
.metric-label{margin-top:9px;font-size:15px;font-weight:700;}
.metric-note{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.matrix-card{
 display:flex;flex-direction:column;background:var(--card);
 border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease;
}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.matrix-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--navy-soft);}
.matrix-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.matrix-card:hover .matrix-thumb img{transform:scale(1.06);}
.matrix-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,40,0) 42%,rgba(13,17,40,.6) 100%);}
.matrix-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.matrix-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:rgba(255,180,0,.14);color:var(--gold-deep);border:1px solid rgba(255,180,0,.3);}
.tag.is-cyan{background:rgba(55,230,208,.14);color:#0f8f83;border-color:rgba(55,230,208,.34);}
.matrix-title{font-size:17.5px;font-weight:800;line-height:1.45;}
.matrix-text{font-size:14px;color:var(--muted);line-height:1.78;}
.matrix-foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--gold-deep);font-weight:700;}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.compare-card{
 position:relative;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:28px 22px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.compare-card.is-best{border-color:rgba(255,180,0,.62);box-shadow:0 18px 40px rgba(255,180,0,.16);}
.compare-tag{
 position:absolute;top:-12px;right:18px;
 font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 color:#231a05;box-shadow:var(--shadow-gold);
}
.compare-title{font-size:17px;font-weight:800;}
.compare-rate{margin:12px 0 4px;font-size:27px;font-weight:800;color:var(--navy);}
.compare-rate small{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px;}
.compare-list{margin-top:16px;display:grid;gap:10px;}
.compare-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);line-height:1.72;}
.compare-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--gold);}

/* ---------- timeline ---------- */
.timeline{display:grid;max-width:860px;}
.timeline-item{position:relative;padding:0 0 32px 48px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:15px;top:30px;bottom:0;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.6),rgba(55,230,208,.2));
}
.timeline-item:last-child::before{display:none;}
.step-no{
 position:absolute;left:0;top:0;width:32px;height:32px;border-radius:10px;
 display:grid;place-items:center;font-size:14px;font-weight:800;color:#231a05;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:var(--shadow-gold);
}
.timeline-body h3{font-size:17px;font-weight:800;margin-bottom:6px;}
.timeline-body p{font-size:14.5px;color:var(--muted);line-height:1.82;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.news-title{font-size:16.5px;font-weight:800;line-height:1.5;}
.news-title a:hover{color:var(--gold-deep);}
.news-desc{font-size:13.5px;color:var(--muted);line-height:1.76;}
.news-empty{
 padding:34px 22px;text-align:center;color:var(--muted);font-size:14.5px;
 background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);
}

/* ---------- assure ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.assure-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:24px 20px;
 transition:background .22s ease,transform .22s ease;
}
.assure-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.assure-icon{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 font-weight:800;font-size:15px;color:#231a05;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 margin-bottom:14px;
}
.assure-card h3{font-size:16px;font-weight:800;color:#fff;margin-bottom:8px;}
.assure-card p{font-size:13.5px;line-height:1.78;color:rgba(255,255,255,.72);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.42);}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 22px;
 font-size:16px;font-weight:700;
 display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--gold-deep);line-height:1;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-a{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.86;}

/* ---------- join ---------- */
.join-section{
 background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy-soft) 100%);
 color:#fff;padding:76px 0;
}
.join-card{
 background:rgba(255,255,255,.97);color:var(--text);
 border-radius:var(--radius-lg);padding:34px;
 box-shadow:0 28px 60px rgba(0,0,0,.32);
 display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center;
}
.join-copy h2{font-size:clamp(22px,2.5vw,30px);line-height:1.36;font-weight:800;}
.join-copy p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.join-copy .tag{margin-top:16px;display:inline-block;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:700;color:var(--text);}
.field input,.field select,.field textarea{
 width:100%;padding:11px 14px;border-radius:10px;
 border:1px solid var(--line);background:#fafbff;
 transition:border-color .2s ease,box-shadow .2s ease;
 font-size:14.5px;
}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.2);
}
.field textarea{min-height:88px;resize:vertical;}
.form-note{grid-column:1/-1;font-size:12.5px;color:var(--muted);}
.form-msg{display:none;grid-column:1/-1;font-size:13.5px;font-weight:700;color:#0f8f83;}
.form-msg.is-on{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:380px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col li{font-size:13.5px;color:rgba(255,255,255,.64);}
.footer-col a{transition:color .2s ease;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:18px 0 22px;
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:34px;}
 .metric-grid{grid-template-columns:repeat(2,1fr);}
 .matrix-grid{grid-template-columns:repeat(2,1fr);}
 .compare-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .assure-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
 .join-card{grid-template-columns:1fr;padding:28px;}
}
@media (max-width:860px){
 .nav-links{
   position:absolute;top:74px;left:0;right:0;
   flex-direction:column;align-items:stretch;gap:4px;
   margin:0;padding:14px 22px 20px;
   background:rgba(13,17,40,.98);
   border-bottom:1px solid rgba(255,255,255,.1);
   box-shadow:0 24px 40px rgba(0,0,0,.4);
   display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15.5px;}
 .nav-link.is-active::after{display:none;}
 .nav-cta{display:none;}
 .nav-toggle{display:flex;}
}
@media (max-width:768px){
 .cat-hero{padding:118px 0 56px;}
 .section{padding:56px 0;}
 .join-section{padding:56px 0;}
 .hero-panel{padding:22px 20px;}
 .panel-stats{grid-template-columns:repeat(3,1fr);}
 .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
 .metric-grid,.matrix-grid,.news-grid,.assure-grid,.form-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .cat-hero-title{font-size:26px;}
 .hero-checks{gap:8px 14px;font-size:13.5px;}
 .btn{width:100%;}
 .cat-hero-actions{flex-direction:column;}
 .panel-stats{grid-template-columns:1fr 1fr;}
 .compare-rate{font-size:23px;}
 .faq-item summary{font-size:15px;padding:16px 18px;}
 .faq-a{padding:0 18px 18px;}
}

/* roulang page: category3 */
:root{
 --navy:#1a1f3d;
 --navy-deep:#0d1128;
 --navy-soft:#252c55;
 --gold:#ffb400;
 --gold-light:#ffd15c;
 --gold-deep:#f08c00;
 --cyan:#37e6d0;
 --bg:#f4f6fb;
 --bg-alt:#eaeefa;
 --card:#ffffff;
 --text:#1a1e33;
 --muted:#5f6a85;
 --line:#e2e7f3;
 --radius-sm:10px;
 --radius:14px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(20,26,54,.06);
 --shadow-md:0 14px 34px rgba(20,26,54,.10);
 --shadow-gold:0 12px 26px rgba(255,180,0,.30);
 --maxw:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(55,230,208,.75);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}
/* ---------- header ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:100;
 background:rgba(18,22,45,.42);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(255,255,255,.12);
 transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled{
 background:rgba(13,17,40,.94);
 box-shadow:0 10px 30px rgba(0,0,0,.32);
 border-bottom-color:rgba(255,255,255,.06);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 color:#20180a;font-weight:800;font-size:19px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:#fff;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
 position:relative;
 padding:9px 14px;border-radius:9px;
 font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
 transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{color:#fff;background:rgba(255,180,0,.18);}
.nav-link.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
 border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.nav-cta{margin-left:auto;}
.nav-toggle{
 display:none;width:44px;height:44px;margin-left:auto;border-radius:10px;
 border:1px solid rgba(255,255,255,.22);
 background:rgba(255,255,255,.08);
 flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:11px;
 font-size:15px;font-weight:700;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:#231a05;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-dark{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--navy-soft);transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:13px;}
.btn-block{width:100%;}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:140px 0 76px;background:var(--navy-deep);color:#fff;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;transform:scale(1.05);}
.hero-overlay{
 position:absolute;inset:0;
 background:
  radial-gradient(900px 460px at 16% 10%, rgba(55,230,208,.22), transparent 62%),
  radial-gradient(760px 420px at 86% 6%, rgba(255,180,0,.24), transparent 60%),
  linear-gradient(180deg, rgba(11,15,36,.88) 0%, rgba(15,20,48,.93) 58%, rgba(13,17,40,.98) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:start;}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;
 font-size:13.5px;font-weight:700;letter-spacing:.6px;
 color:#ffe6a8;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.4);
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.hero-title{
 margin:22px 0 18px;
 font-size:clamp(28px,3.9vw,46px);
 line-height:1.25;font-weight:800;letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 30%,#ffe0a1 72%,#8ff3e7 100%);
 -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-lead{max-width:720px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.82);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
 display:inline-flex;align-items:center;gap:7px;
 padding:8px 14px;border-radius:999px;
 font-size:13px;font-weight:600;color:rgba(255,255,255,.86);
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
/* quiz card */
.quiz-card{
 background:rgba(255,255,255,.075);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:24px;
 box-shadow:0 24px 50px rgba(0,0,0,.32);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
}
.quiz-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.quiz-head h2{font-size:18px;color:#fff;}
.quiz-badge{font-size:12px;font-weight:800;letter-spacing:.5px;color:#20180a;background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));padding:4px 10px;border-radius:999px;}
.quiz-sub{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.quiz-group{margin-bottom:14px;}
.quiz-group > span{display:block;font-size:13px;font-weight:700;color:rgba(255,255,255,.72);margin-bottom:8px;}
.quiz-opts{display:flex;flex-wrap:wrap;gap:8px;}
.quiz-opt{
 padding:7px 13px;border-radius:999px;font-size:13px;font-weight:600;
 color:rgba(255,255,255,.84);
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.2);
 transition:all .2s ease;
}
.quiz-opt:hover{background:rgba(255,255,255,.16);transform:translateY(-1px);}
.quiz-opt.is-picked{
 color:#20180a;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 border-color:transparent;
 box-shadow:0 8px 18px rgba(255,180,0,.32);
}
.quiz-result{
 margin-top:16px;padding:16px;border-radius:var(--radius);
 background:rgba(13,17,40,.6);
 border:1px dashed rgba(255,180,0,.45);
 font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.86);
 min-height:92px;
}
.quiz-result strong{color:var(--gold-light);}
.quiz-hint{color:rgba(255,255,255,.68);}
.quiz-actions{margin-top:16px;}
/* ---------- sections ---------- */
.section{padding:74px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--navy);color:#fff;}
.section-head{max-width:800px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-block;margin-bottom:12px;
 font-size:13px;font-weight:800;letter-spacing:2px;
 color:var(--gold-deep);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--gold-light);}
.section-title{font-size:clamp(23px,2.6vw,32px);color:var(--navy);}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}
.section-dark .section-desc{color:rgba(255,255,255,.78);}
/* metrics */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.metric-num{
 font-size:30px;font-weight:800;letter-spacing:.5px;
 background:linear-gradient(120deg,var(--navy) 20%,var(--gold-deep) 96%);
 -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.metric-label{margin-top:4px;font-size:14px;font-weight:800;color:var(--navy);}
.metric-note{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75;}
/* feature row */
.feature-row{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;margin-bottom:44px;}
.feature-media{
 border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-md);border:1px solid var(--line);
 background:var(--navy);
}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.feature-copy h3{font-size:22px;color:var(--navy);margin-bottom:12px;}
.feature-copy p{color:var(--muted);font-size:15.5px;line-height:1.95;}
.feature-list{margin-top:18px;display:grid;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);}
.feature-list li::before{
 content:"◆";color:var(--gold-deep);font-size:11px;line-height:1.9;flex-shrink:0;
}
/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.skill-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.skill-card::before{
 content:"";position:absolute;left:0;top:0;height:3px;width:100%;
 background:linear-gradient(90deg,var(--gold),var(--cyan));opacity:0;transition:opacity .22s ease;
}
.skill-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.skill-card:hover::before{opacity:1;}
.skill-no{
 display:inline-flex;width:32px;height:32px;border-radius:9px;align-items:center;justify-content:center;
 font-size:14px;font-weight:800;color:#20180a;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));margin-bottom:14px;
}
.skill-card h3{font-size:17.5px;color:var(--navy);margin-bottom:8px;}
.skill-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
 display:inline-block;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:700;color:var(--navy-soft);
 background:rgba(26,31,61,.06);border:1px solid var(--line);
}
.tag-gold{color:#7a5000;background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.4);}
/* compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px;box-shadow:var(--shadow-sm);
}
.compare-card.good{border-color:rgba(255,180,0,.55);box-shadow:0 16px 34px rgba(255,180,0,.16);}
.compare-title{display:flex;align-items:center;gap:10px;font-size:19px;color:var(--navy);margin-bottom:16px;}
.dot{width:10px;height:10px;border-radius:50%;background:#c3cbdd;}
.dot.gold{background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));box-shadow:0 0 0 4px rgba(255,180,0,.16);}
.compare-list li{
 display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed var(--line);
 font-size:14.8px;line-height:1.75;color:var(--text);
}
.compare-list li:last-child{border-bottom:0;}
.mark{flex-shrink:0;font-weight:800;font-size:14px;width:20px;text-align:center;}
.mark.no{color:#9aa4bd;}
.mark.yes{color:var(--gold-deep);}
/* timeline */
.timeline{position:relative;display:grid;gap:0;margin-top:8px;}
.tl-item{
 position:relative;display:grid;grid-template-columns:132px 1fr;gap:24px;
 padding:0 0 26px 30px;border-left:2px solid rgba(255,255,255,.14);
}
.tl-item:last-child{border-left-color:transparent;padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 0 0 5px rgba(255,180,0,.16);
}
.tl-time{font-size:15px;font-weight:800;color:var(--gold-light);letter-spacing:.4px;}
.tl-body h3{font-size:17px;color:#fff;margin-bottom:6px;}
.tl-body p{font-size:14.6px;color:rgba(255,255,255,.76);line-height:1.85;}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 overflow:hidden;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.news-link{display:block;padding:22px;height:100%;}
.news-cat{
 display:inline-block;margin-bottom:12px;padding:3px 10px;border-radius:999px;
 font-size:12px;font-weight:800;letter-spacing:.5px;
 color:#7a5000;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.36);
}
.news-card h3{font-size:16.5px;color:var(--navy);line-height:1.6;margin-bottom:8px;}
.news-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.news-time{display:block;margin-top:14px;font-size:12.8px;color:#93a0ba;font-weight:600;}
.news-empty{
 padding:30px;border-radius:var(--radius);background:var(--card);
 border:1px dashed var(--line);color:var(--muted);text-align:center;font-size:14.5px;
}
/* assurance */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.assure-item{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px;
 transition:background .22s ease,transform .22s ease;
}
.assure-item:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);}
.assure-ico{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 font-size:17px;font-weight:800;color:#20180a;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));margin-bottom:14px;
}
.assure-item h3{font-size:16px;color:#fff;margin-bottom:6px;}
.assure-item p{font-size:14px;color:rgba(255,255,255,.74);line-height:1.8;}
/* quick answer */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.qa-item{
 background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease;
}
.qa-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.qa-item h3{font-size:16.5px;color:var(--navy);margin-bottom:8px;}
.qa-item p{font-size:14.6px;color:var(--muted);line-height:1.85;}
/* faq */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
 background:var(--card);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(255,180,0,.55);box-shadow:var(--shadow-md);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:16px;font-weight:800;color:var(--navy);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex-shrink:0;font-size:20px;font-weight:700;color:var(--gold-deep);
 transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.95;}
/* join */
.join-wrap{
 display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center;
 background:var(--navy);border-radius:var(--radius-lg);
 padding:44px;box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.join-wrap::after{
 content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(55,230,208,.28),transparent 68%);
}
.join-copy{position:relative;z-index:2;color:#fff;}
.join-copy h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.join-copy p{font-size:15.4px;line-height:1.95;color:rgba(255,255,255,.8);}
.join-copy ul{margin-top:18px;display:grid;gap:9px;}
.join-copy li{font-size:14.5px;color:rgba(255,255,255,.82);display:flex;gap:9px;}
.join-copy li::before{content:"✓";color:var(--gold-light);font-weight:800;}
.join-form{
 position:relative;z-index:2;background:rgba(255,255,255,.95);
 border-radius:var(--radius);padding:26px;box-shadow:0 20px 44px rgba(0,0,0,.28);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:800;color:var(--navy-soft);margin-bottom:6px;}
.field input,.field select{
 width:100%;padding:11px 13px;border-radius:var(--radius-sm);
 border:1px solid var(--line);background:#fbfcff;color:var(--text);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{
 outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.22);
}
.form-tip{margin-top:12px;font-size:12.8px;color:#8a94ad;line-height:1.7;}
.form-msg{margin-top:12px;font-size:13.5px;font-weight:700;color:#1f7a4d;display:none;}
.form-msg.is-on{display:block;}
/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.78);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:9px;line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.78);transition:color .2s ease;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(255,255,255,.55);
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .nav-wrap{height:70px;gap:14px;}
 .nav-toggle{display:flex;}
 .nav-cta{display:none;}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:16px;right:16px;
  flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
  padding:12px;border-radius:16px;display:none;
  background:rgba(13,17,40,.97);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 20px 44px rgba(0,0,0,.42);
 }
 .nav-links.is-open{display:flex;}
 .nav-link{padding:11px 14px;font-size:15px;}
 .hero{padding:120px 0 62px;}
 .hero-grid{grid-template-columns:1fr;gap:36px;}
 .metric-grid{grid-template-columns:repeat(2,1fr);}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .assure-grid{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .feature-row{grid-template-columns:1fr;gap:24px;}
 .join-wrap{grid-template-columns:1fr;padding:34px;}
 .compare-grid{grid-template-columns:1fr;}
 .qa-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .container{padding:0 18px;}
 .metric-grid{grid-template-columns:1fr 1fr;gap:14px;}
 .card-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .assure-grid{grid-template-columns:1fr;}
 .tl-item{grid-template-columns:1fr;gap:6px;padding-left:24px;}
 .form-row{grid-template-columns:1fr;}
 .hero-actions .btn{width:100%;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-brand p{max-width:none;}
}
@media (max-width:520px){
 .hero{padding:110px 0 50px;}
 .hero-title{font-size:26px;}
 .quiz-card{padding:18px;}
 .metric-grid{grid-template-columns:1fr;}
 .metric-num{font-size:26px;}
 .join-wrap{padding:24px;}
 .join-form{padding:20px;}
 .faq-item summary{font-size:15px;padding:16px 18px;}
 .faq-body{padding:0 18px 18px;}
}