/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#151936;
  --ink-3:#232a52;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --gold-deep:#b57c00;
  --cyan:#39e0d0;
  --bg:#f5f6fa;
  --surface:#ffffff;
  --text:#1d2238;
  --muted:#6b7286;
  --line:#e3e6f0;
  --radius:12px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 12px 32px rgba(26,31,61,.10);
  --shadow-lg:0 24px 56px rgba(26,31,61,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.2px}
p{margin:0}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,24,52,.97);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(10,13,32,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold),#ff8a00);
  color:#20180a;font-weight:900;font-size:17px;
  box-shadow:0 8px 18px rgba(255,163,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--gold-2)}
.nav-search{
  flex:1 1 auto;max-width:430px;display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;padding:6px 6px 6px 15px;
  transition:border-color .25s,background .25s,box-shadow .25s;
}
.nav-search:focus-within{
  border-color:rgba(255,180,0,.72);
  background:rgba(255,255,255,.13);
  box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.nav-search .ico{width:17px;height:17px;flex:0 0 auto;color:#9aa3c8}
.nav-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:13.5px;padding:4px 0;
}
.nav-search input::placeholder{color:#8b93bb}
.search-btn{
  border:0;border-radius:999px;padding:7px 17px;font-size:13px;font-weight:800;
  color:#241a02;background:linear-gradient(135deg,var(--gold),#ff9d00);
  transition:filter .2s,transform .2s;white-space:nowrap;
}
.search-btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:8px 11px;border-radius:9px;color:#c9cfe8;font-size:13.5px;font-weight:600;
  white-space:nowrap;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.is-active{
  color:#241a02;background:linear-gradient(135deg,var(--gold),#ffa000);
  box-shadow:0 6px 16px rgba(255,163,0,.3);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;flex:0 0 auto;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
  color:#fff;place-items:center;
}
.mobile-panel{display:none;background:#171b3a;border-top:1px solid rgba(255,255,255,.08);padding:10px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin:8px 22px 12px}
.mobile-panel a{display:block;padding:12px 22px;color:#cfd5ec;font-weight:600;font-size:14.5px;border-radius:0;transition:background .2s,color .2s}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:#fff}
.mobile-panel a.is-active{color:var(--gold)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;
  border:1px solid transparent;transition:transform .22s,box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn-gold{
  background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;
  box-shadow:0 14px 28px rgba(255,163,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(255,163,0,.46)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.26);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-line{
  background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);
}
.btn-line:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}
.play-dot{
  width:26px;height:26px;border-radius:50%;background:#fff;color:#1a1f3d;
  display:grid;place-items:center;flex:0 0 auto;
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#0f1330;color:#fff}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center center;
  transform:scale(1.05);
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(102deg,rgba(13,17,46,.97) 0%,rgba(15,19,48,.9) 44%,rgba(26,31,61,.62) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:130px;z-index:1;
  background:linear-gradient(180deg,rgba(15,19,48,0),#11162f);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding-top:84px;padding-bottom:120px}
.hero-copy{max-width:730px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.44);
  color:var(--gold-2);font-size:13px;font-weight:700;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.hero h1{
  margin-top:22px;font-size:clamp(30px,4.4vw,52px);color:#fff;letter-spacing:-.6px;
  text-shadow:0 10px 34px rgba(0,0,0,.42);
}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.95;color:#c3cae6;max-width:670px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:38px;margin-top:46px}
.hero-fact strong{display:block;font-size:27px;font-weight:900;color:var(--gold-2);letter-spacing:-.5px;line-height:1.2}
.hero-fact span{font-size:13px;color:#98a1c5}

/* ---------- metrics ---------- */
.metrics{background:#11162f;padding:0 0 56px;margin-top:-46px;position:relative;z-index:3}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric-card{
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);
  padding:24px 20px;text-align:center;transition:transform .25s,border-color .25s;
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45)}
.metric-card strong{display:block;font-size:28px;font-weight:900;color:var(--gold-2);letter-spacing:-.5px;line-height:1.2}
.metric-card span{display:block;margin-top:6px;font-size:13px;color:#98a1c5}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section-alt{background:var(--surface)}
.section-dark{background:linear-gradient(150deg,#1a1f3d 0%,#232a52 100%);color:#d5daef}
.section-dark .section-title{color:#fff}
.section-dark .section-sub{color:#a9b1d2}
.section-head{max-width:770px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;
  color:var(--gold-deep);letter-spacing:1.4px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--gold),#ff8a00)}
.section-dark .eyebrow{color:var(--gold-2)}
.section-title{font-size:clamp(23px,2.9vw,33px);color:var(--ink);margin-top:14px}
.section-sub{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted)}

/* ---------- cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:28px 26px;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d8dcec}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(255,138,0,.10));
  color:var(--gold-deep);font-weight:900;font-size:18px;margin-bottom:16px;
}
.card h3{font-size:18px;color:var(--ink)}
.card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted)}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(26,31,61,.06);color:#4a5178;
}
.tag-gold{background:rgba(255,180,0,.16);color:#95660a}

/* ---------- demo ---------- */
.demo-wrap{display:grid;grid-template-columns:1.02fr 1fr;gap:46px;align-items:center}
.demo-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.demo-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s}
.demo-media:hover img{transform:scale(1.04)}
.demo-media figcaption{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(16,20,45,.82);backdrop-filter:blur(6px);
  color:#e7ebff;font-size:13px;padding:10px 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
}
.step-list{margin-top:26px}
.step{display:flex;gap:18px;padding:20px 0;border-bottom:1px dashed var(--line)}
.step:last-child{border-bottom:0;padding-bottom:0}
.step-num{
  flex:0 0 auto;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-weight:900;font-size:17px;color:#241a02;
  background:linear-gradient(135deg,#ffc633,#ff9a00);
  box-shadow:0 8px 18px rgba(255,163,0,.28);
}
.step h3{font-size:17px;color:var(--ink)}
.step p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- result preview ---------- */
.result-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:32px;
}
.result-bars{display:grid;gap:20px;margin-top:24px}
.bar-row{display:grid;gap:8px}
.bar-label{display:flex;justify-content:space-between;font-size:14px;font-weight:700;color:var(--ink)}
.bar-label span:last-child{color:var(--gold-deep)}
.bar-track{height:10px;border-radius:999px;background:#eceff7;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#ffb400,#ff7a00)}
.bar-fill.alt{background:linear-gradient(90deg,#39e0d0,#1f8fd6)}
.result-side{display:grid;gap:18px}
.result-note{
  background:linear-gradient(150deg,#1a1f3d,#2b3468);color:#dfe4ff;
  border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);
}
.result-note h3{color:#fff;font-size:19px}
.result-note p{margin-top:12px;font-size:14.5px;line-height:1.9;color:#b3bbdd}
.result-note ul{margin-top:18px;display:grid;gap:11px}
.result-note li{position:relative;padding-left:22px;font-size:14px;color:#cfd5f2}
.result-note li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--gold),#ff7a00);
}

/* ---------- channel matrix ---------- */
.channel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.channel-card .thumb{position:relative;overflow:hidden}
.channel-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s}
.channel-card:hover .thumb img{transform:scale(1.06)}
.channel-card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(16,20,45,.78);color:var(--gold-2);backdrop-filter:blur(4px)}
.channel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.channel-body h3{font-size:18px;color:var(--ink)}
.channel-body p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted);flex:1 1 auto}
.channel-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:800;color:var(--gold-deep);transition:gap .22s,color .22s;
}
.channel-card:hover .channel-link{gap:12px;color:#8a5c00}

/* ---------- stuck points ---------- */
.stuck-item{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--gold);border-radius:var(--radius);padding:24px 26px;
  box-shadow:var(--shadow-sm);transition:transform .24s,box-shadow .24s;
}
.stuck-item:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.stuck-num{font-size:26px;font-weight:900;color:#e9ecf7;line-height:1;flex:0 0 auto}
.stuck-item h3{font-size:17px;color:var(--ink)}
.stuck-item p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- path timeline ---------- */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px;position:relative}
.path-item{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-md);padding:26px 22px;position:relative;
  transition:transform .26s,border-color .26s,background .26s;
}
.path-item:hover{transform:translateY(-6px);border-color:rgba(255,180,0,.55);background:rgba(255,255,255,.09)}
.path-item .phase{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1px;
  color:#241a02;background:linear-gradient(135deg,var(--gold),#ff9d00);
  padding:4px 12px;border-radius:999px;
}
.path-item h3{margin-top:16px;font-size:17.5px;color:#fff}
.path-item p{margin-top:10px;font-size:14px;line-height:1.85;color:#a9b1d2}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .26s,box-shadow .26s,border-color .26s;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.news-card-link{display:block;padding:26px 24px 22px;height:100%}
.news-cat{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(57,224,208,.14);color:#12897f;
}
.news-card h3{margin-top:14px;font-size:17px;line-height:1.55;color:var(--ink)}
.news-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted)}
.news-time{display:block;margin-top:16px;font-size:12.5px;color:#98a0bb}
.news-empty{
  grid-column:1/-1;text-align:center;padding:52px 20px;border:1px dashed var(--line);
  border-radius:var(--radius);color:var(--muted);background:var(--surface);font-size:15px;
}

/* ---------- guarantee ---------- */
.guarantee-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-sm);
}
.guarantee-item{text-align:center;padding:6px 10px}
.guarantee-item .g-ico{
  width:48px;height:48px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(57,224,208,.16));
  color:var(--gold-deep);font-weight:900;font-size:18px;
}
.guarantee-item h3{font-size:16px;color:var(--ink)}
.guarantee-item p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--muted)}

/* ---------- specs ---------- */
.spec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.spec-row{
  display:flex;justify-content:space-between;gap:18px;padding:18px 4px;
  border-bottom:1px solid var(--line);font-size:14.5px;
}
.spec-row dt{color:var(--muted);font-weight:600;flex:0 0 auto}
.spec-row dd{margin:0;color:var(--ink);font-weight:800;text-align:right}
.spec-row:nth-child(odd){padding-right:26px;border-right:1px solid var(--line)}
.spec-row:nth-child(even){padding-left:26px}

/* ---------- reviews ---------- */
.review{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .26s,box-shadow .26s;
}
.review:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.review-stars{color:#ffb400;font-size:15px;letter-spacing:2px}
.review p{margin-top:14px;font-size:14.5px;line-height:1.9;color:#424a6b}
.review-author{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,#1a1f3d,#39427c);color:var(--gold-2);font-weight:800;font-size:15px;
}
.review-author strong{display:block;font-size:14.5px;color:var(--ink)}
.review-author span{display:block;font-size:12.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:16px;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:900;font-size:17px;line-height:1;
  transition:transform .24s,background .24s;
}
.faq-item[open] summary::after{content:"−";background:var(--gold);color:#241a02}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.5px;line-height:1.95;color:var(--muted)}

/* ---------- cta form ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.cta-copy h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-top:14px}
.cta-copy p{margin-top:16px;font-size:15.5px;line-height:1.95;color:#aeb6d8}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{position:relative;padding-left:26px;font-size:14.5px;color:#cfd5f2}
.cta-points li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--gold-2);font-weight:900;
}
.lead-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);padding:32px 30px;backdrop-filter:blur(6px);
  box-shadow:0 24px 56px rgba(6,9,28,.4);
}
.lead-form h3{font-size:19px;color:#fff}
.lead-form .form-tip{margin-top:8px;font-size:13px;color:#98a1c5}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:#cfd5f2;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:14.5px;outline:none;
  transition:border-color .22s,background .22s,box-shadow .22s;
}
.field input::placeholder,.field textarea::placeholder{color:#8b93bb}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(255,180,0,.72);background:rgba(255,255,255,.13);
  box-shadow:0 0 0 3px rgba(255,180,0,.15);
}
.field select option{color:#1d2238}
.lead-form .btn{width:100%;margin-top:24px}
.form-ok{
  margin-top:16px;padding:12px 16px;border-radius:10px;font-size:13.5px;font-weight:700;
  background:rgba(57,224,208,.16);border:1px solid rgba(57,224,208,.45);color:#8ff4e9;
}

/* ---------- footer ---------- */
.site-footer{background:#11162f;color:#98a1c5;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800}
.site-footer p{font-size:13.5px;line-height:1.9;color:#8d96bb}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;font-weight:800}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#98a1c5;transition:color .2s}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:#7882a8;
}
.footer-bottom a{color:#9aa3c8}
.footer-bottom a:hover{color:var(--gold-2)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav-search{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .demo-wrap{grid-template-columns:1fr;gap:32px}
  .path-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .guarantee-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .hero-inner{padding-top:64px;padding-bottom:96px}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .header-inner{min-height:66px;gap:10px}
  .brand-text{font-size:14.5px}
  .hero-facts{gap:26px}
  .hero-fact strong{font-size:23px}
  .spec-list{grid-template-columns:1fr}
  .spec-row:nth-child(odd){padding-right:4px;border-right:0}
  .spec-row:nth-child(even){padding-left:4px}
  .news-grid{grid-template-columns:1fr}
  .lead-form{padding:26px 22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-search{display:none}
  .metrics-grid{grid-template-columns:1fr}
  .path-grid{grid-template-columns:1fr}
  .guarantee-strip{grid-template-columns:1fr;padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .card{padding:22px 20px}
  .stuck-item{padding:20px 18px;gap:14px}
  .stuck-num{font-size:22px}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#151936;
 --ink-3:#232a52;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#b57c00;
 --cyan:#39e0d0;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --text:#1d2238;
 --muted:#6b7286;
 --line:#e3e6f0;
 --radius:12px;
 --radius-md:16px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 24px 56px rgba(26,31,61,.18);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:#241a02;padding:10px 18px;border-radius:0 0 10px 0;font-weight:800;z-index:200}
.skip-link:focus{left:0}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(20,24,52,.97);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,13,32,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 color:#20180a;font-weight:900;font-size:17px;
 box-shadow:0 8px 18px rgba(255,163,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--gold-2)}
.nav-search{
 flex:1 1 auto;max-width:430px;display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;padding:6px 6px 6px 15px;
 transition:border-color .25s,background .25s,box-shadow .25s;
}
.nav-search:focus-within{
 border-color:rgba(255,180,0,.72);
 background:rgba(255,255,255,.13);
 box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.nav-search .ico{width:17px;height:17px;flex:0 0 auto;color:#9aa3c8}
.nav-search input{
 flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
 color:#fff;font-size:13.5px;padding:4px 0;height:auto;margin:0;box-shadow:none;
}
.nav-search input::placeholder{color:#8b93bb}
.nav-search input:focus{box-shadow:none;background:transparent;border:0}
.search-btn{
 border:0;border-radius:999px;padding:7px 17px;font-size:13px;font-weight:800;
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ff9d00);
 transition:filter .2s,transform .2s;white-space:nowrap;
}
.search-btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:8px 11px;border-radius:9px;color:#c9cfe8;font-size:13.5px;font-weight:600;
 white-space:nowrap;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.is-active{
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ffa000);
 box-shadow:0 6px 16px rgba(255,163,0,.3);
}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;flex:0 0 auto;
 border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
 color:#fff;place-items:center;font-size:19px;line-height:1;
}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
.mobile-panel{display:none;background:#171b3a;border-top:1px solid rgba(255,255,255,.08);padding:10px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin:8px 22px 12px}
.mobile-panel a{display:block;padding:12px 22px;color:#cfd5ec;font-weight:600;font-size:14.5px;transition:background .2s,color .2s}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:#fff}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;
 border:1px solid transparent;
 transition:transform .22s,box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn-gold{
 background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;
 box-shadow:0 14px 28px rgba(255,163,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(255,163,0,.46)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}
.btn:focus-visible,.search-btn:focus-visible,.nav-toggle:focus-visible,a:focus-visible,summary:focus-visible{
 outline:3px solid rgba(255,180,0,.75);outline-offset:2px;
}
/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:#0f1330;color:#fff;padding:56px 0 66px}
.article-hero-bg{
 position:absolute;inset:0;z-index:0;
 background-image:url('/assets/images/实战777必胜法2.webp');
 background-size:cover;background-position:center;
 opacity:.42;transform:scale(1.05);
}
.article-hero::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:linear-gradient(100deg,rgba(13,17,46,.97) 0%,rgba(15,19,48,.9) 50%,rgba(35,42,82,.7) 100%);
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9aa3c8;margin-bottom:22px}
.crumbs a{color:#cfd5ec;font-weight:600;transition:color .2s}
.crumbs a:hover{color:var(--gold-2)}
.crumbs span[aria-hidden]{color:#5d6690}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.02em;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#d6dbf0;
}
.tag-gold{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.46);color:var(--gold-2)}
.article-hero h1{
 font-size:clamp(27px,3.6vw,44px);color:#fff;letter-spacing:-.5px;
 text-shadow:0 10px 30px rgba(0,0,0,.4);max-width:900px;
}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.9;color:#c3cae6;max-width:800px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:13.5px;color:#98a1c5}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);opacity:.85}
/* ---------- article body ---------- */
.article-section{padding:0 0 72px;margin-top:-34px;position:relative;z-index:3}
.article-panel{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-lg);padding:46px 48px;
}
.article-body{max-width:830px;margin:0 auto;font-size:16.5px;line-height:1.95;color:#2c3350}
.article-body h2{
 margin:38px 0 14px;font-size:24px;position:relative;padding-left:17px;color:var(--ink);
}
.article-body h2::before{
 content:"";position:absolute;left:0;top:.32em;bottom:.26em;width:4px;border-radius:4px;
 background:linear-gradient(180deg,var(--gold),#ff8a00);
}
.article-body h3{margin:28px 0 10px;font-size:19px;color:var(--ink)}
.article-body h4{margin:22px 0 8px;font-size:16.5px;color:var(--ink)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius-md);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-body blockquote{
 margin:22px 0;padding:16px 22px;border-left:4px solid var(--gold);
 background:#fff9ec;border-radius:0 var(--radius) var(--radius) 0;color:#5c4a1c;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#f2f4fb;color:var(--ink)}
.article-body a{color:var(--gold-deep);font-weight:600;border-bottom:1px solid rgba(181,124,0,.35)}
.article-body a:hover{color:#8a5d00}
.article-body strong{color:var(--ink)}
.article-body>*:first-child{margin-top:0}
.article-empty{text-align:center;padding:34px 10px 10px;max-width:560px;margin:0 auto}
.article-empty h2{margin:0 0 12px;font-size:26px;padding:0}
.article-empty h2::before{display:none}
.article-empty p{color:var(--muted);margin-bottom:22px}
/* ---------- sections ---------- */
.section{padding:72px 0}
.section--white{background:var(--surface)}
.section--ink{
 background:linear-gradient(160deg,#151936 0%,#1a1f3d 58%,#232a52 100%);
 color:#c3cae6;
}
.section--ink h2,.section--ink h3,.section--ink h4{color:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;
 letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.section--ink .section-kicker{color:var(--gold-2)}
.section-head h2{margin-top:12px;font-size:clamp(23px,2.6vw,32px);letter-spacing:-.4px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85}
.section--ink .section-head p{color:#a9b2d4}
/* ---------- point cards ---------- */
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.point-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius-md);padding:24px 22px;
 transition:transform .25s,background .25s,border-color .25s;
}
.point-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.42)}
.point-card strong{
 display:block;font-size:30px;font-weight:900;letter-spacing:-.6px;line-height:1.15;
 color:var(--gold-2);margin-bottom:6px;
}
.point-card h3{font-size:15px;color:#fff;margin-bottom:8px}
.point-card p{font-size:13.8px;color:#a9b2d4;line-height:1.8}
/* ---------- spec table ---------- */
.spec-wrap{
 overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);
 background:#fff;box-shadow:var(--shadow-sm);
}
table.spec-table{width:100%;border-collapse:collapse;min-width:660px;margin:0}
.spec-table th,.spec-table td{padding:15px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.spec-table thead th{
 background:#f0f2f9;color:var(--ink);font-weight:800;font-size:13.5px;letter-spacing:.05em;
 border-bottom:1px solid #dfe3ef;
}
.spec-table tbody td:first-child{font-weight:800;color:var(--ink);white-space:nowrap}
.spec-table tbody td:nth-child(2){color:var(--gold-deep);font-weight:800}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover{background:#fafbff}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:28px 22px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d3d9ec}
.step::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:11px;margin-bottom:14px;
 background:linear-gradient(135deg,var(--gold),#ff9a00);color:#241a02;
 font-weight:900;font-size:14px;letter-spacing:.02em;
 box-shadow:0 8px 18px rgba(255,163,0,.28);
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14.2px;color:var(--muted);line-height:1.8}
/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e9ecf6}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scene-card:hover .scene-thumb img{transform:scale(1.05)}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:16.5px;margin-bottom:8px}
.scene-body p{font-size:14.2px;color:var(--muted);line-height:1.8}
.scene-body .tag{margin-bottom:12px;background:#fff6e2;border-color:#ffe0a3;color:var(--gold-deep)}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item:hover{border-color:#d3d9ec}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:0 14px 30px rgba(26,31,61,.1)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;
 color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;
 transition:background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
 display:grid;place-items:center;font-size:16px;font-weight:800;
 background:#f3f5fc;color:var(--gold-deep);transition:background .2s,color .2s,transform .2s;
}
.faq-item[open] summary{background:#fdf7e9}
.faq-item[open] summary::after{content:"−";background:var(--gold);color:#241a02;transform:rotate(180deg)}
.faq-answer{padding:2px 22px 20px;font-size:14.6px;color:var(--muted);line-height:1.9}
/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:#10142e;color:#fff;padding:68px 0}
.cta-band-bg{
 position:absolute;inset:0;background-image:url('/assets/images/快乐之都牛牛游戏.webp');
 background-size:cover;background-position:center;opacity:.22;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,16,44,.96),rgba(26,31,61,.82))}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-copy{max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.4px}
.cta-copy p{margin-top:12px;color:#b7bfdd;font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{
 background:#12162f;color:#a9b2d4;padding:58px 0 26px;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand strong{font-size:16px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.85;color:#9aa3c8}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.04em}
.footer-col li{margin-bottom:9px}
.footer-col a{color:#a9b2d4;font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:13px;color:#7f88ad;
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .header-inner>.nav-search{display:none}
 .nav-links{display:none}
 .nav-toggle{display:grid}
 .point-grid{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .article-panel{padding:36px 30px}
}
@media (max-width:768px){
 .header-inner{min-height:66px;gap:10px}
 .brand-text{font-size:14.5px}
 .brand-mark{width:34px;height:34px;font-size:15px}
 .article-hero{padding:40px 0 60px}
 .hero-lead{font-size:15px}
 .section{padding:54px 0}
 .article-section{padding-bottom:52px;margin-top:-26px}
 .article-panel{padding:26px 20px;border-radius:var(--radius-md)}
 .article-body{font-size:15.6px}
 .article-body h2{font-size:21px}
 .article-body h3{font-size:17.5px}
 .scene-grid{grid-template-columns:1fr}
 .cta-inner{flex-direction:column;align-items:flex-start}
 .footer-grid{gap:26px}
 .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .point-grid{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .hero-meta{gap:8px 16px;font-size:12.5px}
 .brand-text{max-width:150px;white-space:normal;line-height:1.25}
 .btn{padding:12px 22px;font-size:14px;width:100%}
 .cta-actions{width:100%}
 .article-hero h1{font-size:24px}
 .spec-table th,.spec-table td{padding:12px 14px;font-size:13.5px}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-2:#151936;
 --ink-3:#232a52;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#b57c00;
 --cyan:#39e0d0;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --text:#1d2238;
 --muted:#6b7286;
 --line:#e3e6f0;
 --radius:12px;
 --radius-md:16px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 24px 56px rgba(26,31,61,.18);
 --container:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;color:var(--ink);letter-spacing:-.3px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(20,24,52,.97);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,13,32,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 color:#20180a;font-weight:900;font-size:17px;
 box-shadow:0 8px 18px rgba(255,163,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--gold-2)}
.nav-search{
 flex:1 1 auto;max-width:430px;display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;padding:6px 6px 6px 15px;
 transition:border-color .25s,background .25s,box-shadow .25s;
}
.nav-search:focus-within{
 border-color:rgba(255,180,0,.72);
 background:rgba(255,255,255,.13);
 box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.nav-search .ico{width:17px;height:17px;flex:0 0 auto;color:#9aa3c8}
.nav-search input{
 flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
 color:#fff;font-size:13.5px;padding:4px 0;
}
.nav-search input::placeholder{color:#8b93bb}
.search-btn{
 border:0;border-radius:999px;padding:7px 17px;font-size:13px;font-weight:800;
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ff9d00);
 transition:filter .2s,transform .2s;white-space:nowrap;
}
.search-btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:8px 11px;border-radius:9px;color:#c9cfe8;font-size:13.5px;font-weight:600;
 white-space:nowrap;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.is-active{
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ffa000);
 box-shadow:0 6px 16px rgba(255,163,0,.3);
}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;flex:0 0 auto;
 border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
 color:#fff;place-items:center;margin-left:auto;
}
.mobile-panel{display:none;background:#171b3a;border-top:1px solid rgba(255,255,255,.08);padding:10px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin:8px 22px 12px}
.mobile-panel a{display:block;padding:12px 22px;color:#cfd5ec;font-weight:600;font-size:14.5px;transition:background .2s,color .2s}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:#fff}
.mobile-panel a.is-active{color:var(--gold)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;
 border:1px solid transparent;transition:transform .22s,box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;box-shadow:0 14px 28px rgba(255,163,0,.34)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(255,163,0,.46)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
 outline:3px solid rgba(255,180,0,.55);outline-offset:2px;
}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#0f1330;color:#fff}
.page-hero-bg{
 position:absolute;inset:0;z-index:0;
 background-image:url('/assets/images/实战777必胜法2.webp');
 background-size:cover;background-position:center;opacity:.42;transform:scale(1.06);
}
.page-hero-shade{
 position:absolute;inset:0;z-index:1;
 background:linear-gradient(104deg,rgba(12,16,44,.97) 0%,rgba(17,22,55,.9) 48%,rgba(35,42,82,.6) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:34px 0 74px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#98a1c5}
.crumbs a{color:#c4cbeb;transition:color .2s}
.crumbs a:hover{color:var(--gold-2)}
.crumbs .sep{color:#5d6591}
.crumbs .cur{color:var(--gold-2);font-weight:700}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:44px;align-items:start;margin-top:26px}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.44);
 color:var(--gold-2);font-size:13px;font-weight:700;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.page-hero h1{
 margin-top:20px;font-size:clamp(27px,3.6vw,44px);color:#fff;
 letter-spacing:-.8px;text-shadow:0 10px 34px rgba(0,0,0,.4);
}
.page-hero h1 span{color:var(--gold-2)}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.95;color:#c3cae6;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;margin-top:36px}
.hero-fact strong{display:block;font-size:25px;font-weight:900;color:var(--gold-2);letter-spacing:-.5px;line-height:1.2}
.hero-fact span{font-size:12.5px;color:#98a1c5}

.pace-panel{
 background:linear-gradient(165deg,rgba(255,255,255,.1),rgba(255,255,255,.035));
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);
 padding:24px 24px 22px;
 box-shadow:0 26px 60px rgba(6,9,26,.42);
 backdrop-filter:blur(2px);
}
.pace-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px dashed rgba(255,255,255,.16)}
.pace-tag{
 font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:#10142f;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 border-radius:999px;padding:4px 12px;
}
.pace-head strong{font-size:15px;color:#fff;font-weight:800}
.pace-list{margin:16px 0 18px;display:grid;gap:14px}
.pace-list li{display:grid;grid-template-columns:82px minmax(0,1fr);gap:12px;align-items:start}
.pace-time{
 font-size:12px;font-weight:800;color:var(--gold-2);
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);
 border-radius:8px;padding:3px 6px;text-align:center;white-space:nowrap;
}
.pace-list b{display:block;font-size:14px;color:#fff;font-weight:800;margin-bottom:2px}
.pace-list p{font-size:12.8px;line-height:1.7;color:#a9b1d2}
.pace-cta{width:100%}

/* ---------- generic section ---------- */
.section{padding:74px 0}
.section--alt{background:#eef0f7}
.section--ink{background:var(--ink);color:#d3d9ef}
.section--ink h2,.section--ink h3{color:#fff}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
 display:inline-block;font-size:12px;font-weight:800;letter-spacing:2px;
 color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section--ink .eyebrow{color:var(--gold-2)}
.section-head h2{font-size:clamp(22px,2.6vw,31px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.9}
.section--ink .section-head p{color:#a9b1d2}

/* ---------- stat cards ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.stat-num{display:flex;align-items:baseline;gap:5px;font-size:32px;font-weight:900;color:var(--ink);letter-spacing:-1px;line-height:1}
.stat-num small{font-size:13px;font-weight:800;color:var(--gold-deep)}
.stat-card h3{margin-top:12px;font-size:15px;font-weight:800}
.stat-card p{margin-top:7px;font-size:13.5px;line-height:1.78;color:var(--muted)}

/* ---------- knowledge matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.k-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 display:flex;flex-direction:column;gap:10px;
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.k-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(26,31,61,.16)}
.k-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.k-index{font-size:12px;font-weight:900;letter-spacing:1.6px;color:#a3aac6}
.k-tag{
 font-size:11.5px;font-weight:800;color:var(--gold-deep);
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.36);
 border-radius:999px;padding:3px 11px;white-space:nowrap;
}
.k-card h3{font-size:17px}
.k-card p{font-size:14px;line-height:1.82;color:var(--muted)}
.k-list{display:grid;gap:6px;margin-top:2px}
.k-list li{position:relative;padding-left:16px;font-size:13.2px;color:#4b5370;line-height:1.7}
.k-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media .media-note{
 position:absolute;left:16px;bottom:16px;right:16px;
 background:rgba(13,17,44,.82);color:#dfe4f6;border:1px solid rgba(255,255,255,.16);
 border-radius:10px;padding:10px 14px;font-size:12.5px;line-height:1.6;
}
.split-body h2{font-size:clamp(21px,2.4vw,28px)}
.split-body p{margin-top:14px;font-size:14.8px;line-height:1.92;color:var(--muted)}
.rule-list{margin-top:22px;display:grid;gap:14px}
.rule-list li{
 display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 18px;box-shadow:var(--shadow-sm);
}
.rule-list .rn{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:900;font-size:14px;
}
.rule-list b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px}
.rule-list span{font-size:13.4px;color:var(--muted);line-height:1.78}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
 padding:26px 24px;box-shadow:var(--shadow-sm);
}
.compare-card.is-good{border-top:4px solid var(--gold)}
.compare-card.is-bad{border-top:4px solid #8b93b0}
.compare-card h3{font-size:17px;display:flex;align-items:center;gap:10px}
.compare-badge{font-size:11.5px;font-weight:800;border-radius:999px;padding:3px 10px}
.is-good .compare-badge{background:rgba(255,180,0,.16);color:var(--gold-deep);border:1px solid rgba(255,180,0,.4)}
.is-bad .compare-badge{background:#eceef5;color:#5d6480;border:1px solid #dadfe9}
.compare-card ul{margin-top:16px;display:grid;gap:11px}
.compare-card li{position:relative;padding-left:24px;font-size:14px;line-height:1.8;color:#4b5370}
.compare-card li::before{position:absolute;left:0;top:0;font-weight:900}
.is-good li::before{content:"✓";color:var(--gold-deep)}
.is-bad li::before{content:"✕";color:#9aa1b8}
.compare-foot{
 margin-top:22px;background:linear-gradient(120deg,rgba(255,180,0,.12),rgba(57,224,208,.1));
 border:1px dashed rgba(26,31,61,.18);border-radius:var(--radius);
 padding:18px 22px;font-size:14px;line-height:1.85;color:#3e4661;
}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 22px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-num{
 display:grid;place-items:center;width:36px;height:36px;border-radius:11px;
 background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;font-weight:900;font-size:14px;
 box-shadow:0 8px 18px rgba(255,163,0,.3);margin-bottom:14px;
}
.step h3{font-size:15.5px}
.step p{margin-top:8px;font-size:13.4px;line-height:1.8;color:var(--muted)}
.step .step-meta{display:block;margin-top:12px;font-size:12px;font-weight:800;color:var(--gold-deep);letter-spacing:.6px}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.scene-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
 overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
 transition:transform .25s,box-shadow .25s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.scene-body h3{font-size:16.5px}
.scene-body p{font-size:13.6px;line-height:1.82;color:var(--muted)}
.scene-pill{
 align-self:flex-start;font-size:11.5px;font-weight:800;color:var(--ink);
 background:#eef0f7;border:1px solid #dde2ee;border-radius:999px;padding:3px 11px;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden;
 transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-weight:800;font-size:15.2px;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;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;flex:0 0 auto;
 transition:transform .22s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-body{padding:0 22px 20px;font-size:14px;line-height:1.9;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(120deg,#141936 0%,#1d2450 58%,#2a3266 100%);
}
.cta-band::before{
 content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.24),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-copy p{margin-top:14px;font-size:14.8px;line-height:1.92;color:#bcc4e2}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{position:relative;padding-left:20px;font-size:13.6px;color:#d5dbf0;line-height:1.75}
.cta-points li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.advice-form{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);padding:26px 24px;box-shadow:0 26px 60px rgba(6,9,26,.4);
 display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.advice-form .field{display:flex;flex-direction:column;gap:7px}
.advice-form .full{grid-column:1/-1}
.advice-form label{font-size:12.6px;font-weight:800;color:#c8d0ea;letter-spacing:.4px}
.advice-form input,.advice-form select,.advice-form textarea{
 width:100%;padding:12px 14px;border-radius:10px;
 border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
 color:#fff;font-size:14px;outline:none;
 transition:border-color .2s,background .2s,box-shadow .2s;
}
.advice-form textarea{resize:vertical;min-height:92px}
.advice-form input::placeholder,.advice-form textarea::placeholder{color:#8f98bb}
.advice-form input:focus,.advice-form select:focus,.advice-form textarea:focus{
 border-color:rgba(255,180,0,.7);background:rgba(255,255,255,.14);
 box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.advice-form select option{color:#1d2238}
.advice-form .btn{width:100%}
.form-note{grid-column:1/-1;font-size:12.2px;color:#98a1c5;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:#12162f;color:#aeb6d4;padding:62px 0 26px;border-top:1px solid rgba(255,255,255,.07)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:15.5px;font-weight:800}
.footer-brand .brand-mark{width:34px;height:34px;font-size:15px;border-radius:10px}
.site-footer p{font-size:13.6px;line-height:1.9;color:#98a1c5;max-width:340px}
.footer-col h4{color:#fff;font-size:14px;font-weight:800;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.4px;color:#a6aecb;transition:color .2s,transform .2s;display:inline-block}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{
 margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
 font-size:12.4px;color:#7f88a9;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
 .brand-text{font-size:14.5px}
 .nav-links a{padding:7px 9px;font-size:12.8px}
 .nav-search{max-width:330px}
}
@media (max-width:1080px){
 .nav-links,.site-header .nav-search{display:none}
 .nav-toggle{display:grid}
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:1fr;gap:30px}
 .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
 .cta-inner{grid-template-columns:1fr;gap:32px}
 .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .page-hero-inner{padding:26px 0 58px}
 .hero-facts{gap:24px}
 .hero-fact strong{font-size:22px}
 .hero-actions .btn{flex:1 1 auto;min-width:150px;padding:12px 20px;font-size:14px}
 .compare-grid{grid-template-columns:1fr}
 .advice-form{grid-template-columns:1fr;padding:22px 18px}
 .pace-list li{grid-template-columns:74px minmax(0,1fr)}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .header-inner{min-height:64px;gap:10px}
 .brand-mark{width:34px;height:34px;font-size:15px}
 .brand-text{font-size:13px}
 .section-head h2{font-size:20px}
 .stats-grid,.matrix-grid,.scene-grid,.timeline{grid-template-columns:1fr}
 .stat-num{font-size:28px}
 .hero-lead{font-size:14.5px}
 .k-card,.stat-card,.step{padding:20px 18px}
 .faq-item summary{font-size:14.2px;padding:16px 18px}
 .faq-body{padding:0 18px 18px}
 .btn{width:100%}
 .hero-actions{flex-direction:column}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-2:#151936;
 --ink-3:#232a52;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#b57c00;
 --cyan:#39e0d0;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --text:#1d2238;
 --muted:#6b7286;
 --line:#e3e6f0;
 --radius:12px;
 --radius-md:16px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 24px 56px rgba(26,31,61,.18);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.2px;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,180,0,.62);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(20,24,52,.97);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,13,32,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 color:#20180a;font-weight:900;font-size:17px;
 box-shadow:0 8px 18px rgba(255,163,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--gold-2)}
.nav-search{
 flex:1 1 auto;max-width:430px;display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;padding:6px 6px 6px 15px;
 transition:border-color .25s,background .25s,box-shadow .25s;
}
.nav-search:focus-within{
 border-color:rgba(255,180,0,.72);
 background:rgba(255,255,255,.13);
 box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.nav-search .ico{width:17px;height:17px;flex:0 0 auto;color:#9aa3c8}
.nav-search input{
 flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
 color:#fff;font-size:13.5px;padding:4px 0;
}
.nav-search input::placeholder{color:#8b93bb}
.search-btn{
 border:0;border-radius:999px;padding:7px 17px;font-size:13px;font-weight:800;
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ff9d00);
 transition:filter .2s,transform .2s;white-space:nowrap;
}
.search-btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:8px 11px;border-radius:9px;color:#c9cfe8;font-size:13.5px;font-weight:600;
 white-space:nowrap;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.is-active{
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ffa000);
 box-shadow:0 6px 16px rgba(255,163,0,.3);
}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;flex:0 0 auto;
 border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
 color:#fff;place-items:center;margin-left:auto;
}
.mobile-panel{display:none;background:#171b3a;border-top:1px solid rgba(255,255,255,.08);padding:10px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin:8px 22px 12px}
.mobile-panel a{display:block;padding:12px 22px;color:#cfd5ec;font-weight:600;font-size:14.5px;transition:background .2s,color .2s}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:#fff}
.mobile-panel a.is-active{color:var(--gold)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;
 border:1px solid transparent;transition:transform .22s,box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;box-shadow:0 14px 28px rgba(255,163,0,.34)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(255,163,0,.46)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#0f1330;color:#fff}
.page-hero-bg{
 position:absolute;inset:0;z-index:0;opacity:.5;
 background-size:cover;background-position:center center;transform:scale(1.04);
}
.page-hero-overlay{
 position:absolute;inset:0;z-index:1;
 background:linear-gradient(100deg,rgba(11,15,40,.97) 0%,rgba(14,18,46,.93) 46%,rgba(26,31,61,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding-top:34px;padding-bottom:62px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9aa3c8}
.breadcrumb a{color:#c6cce6;transition:color .2s}
.breadcrumb a:hover{color:var(--gold-2)}
.breadcrumb span.sep{color:#5c6493}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;margin-top:22px;padding:7px 16px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.44);
 color:var(--gold-2);font-size:13px;font-weight:700;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.page-hero h1{
 margin-top:18px;font-size:clamp(28px,4vw,46px);color:#fff;letter-spacing:-.8px;
 text-shadow:0 10px 34px rgba(0,0,0,.42);
}
.hero-lead{margin-top:18px;max-width:720px;font-size:15.5px;line-height:1.95;color:#c3cae6}
.check-strip{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:28px;max-width:840px}
.check-strip li{
 display:inline-flex;align-items:center;gap:9px;
 padding:9px 15px;border-radius:999px;font-size:13px;font-weight:700;color:#e5e9f8;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.check-strip li::before{
 content:"✓";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;
 background:rgba(57,224,208,.18);color:var(--cyan);font-size:11px;font-weight:900;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:linear-gradient(160deg,#161b3c,#1f2551 62%,#252c5e);color:#dde2f4}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:1.4px;
 color:var(--gold-deep);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--gold),#ff8a00)}
.section-head h2{margin-top:12px;font-size:clamp(22px,2.6vw,31px)}
.section-desc{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.9}
.section-dark .section-head h2{color:#fff}
.section-dark .section-desc{color:#b3bbe0}
.section-dark .eyebrow{color:var(--gold-2)}

/* ---------- metrics ---------- */
.metric-card{
 height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 18px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.metric-card strong{display:block;font-size:30px;font-weight:900;color:var(--ink);letter-spacing:-1px;line-height:1.15}
.metric-card strong i{font-style:normal;font-size:15px;font-weight:800;color:var(--gold-deep);margin-left:3px}
.metric-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- checklist ---------- */
.check-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.check-list{display:grid;gap:14px}
.check-item{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
 box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.check-item .num{
 flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,180,0,.08));
 color:var(--gold-deep);font-weight:900;font-size:14px;
}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.8}
.check-media{
 border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow);background:#fff;
}
.check-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-media figcaption{padding:14px 18px;font-size:13px;color:var(--muted);background:#fff;border-top:1px solid var(--line)}

/* ---------- machine matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.machine-card{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:26px 24px 22px;box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.machine-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--gold),#ff8a00)}
.machine-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.machine-card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.machine-card h3 span.tag{
 font-size:11.5px;font-weight:800;padding:3px 9px;border-radius:999px;
 background:rgba(57,224,208,.15);color:#0f7c73;border:1px solid rgba(57,224,208,.4);
}
.machine-card p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85}
.machine-meta{margin-top:16px;display:grid;gap:8px;border-top:1px dashed var(--line);padding-top:14px}
.machine-meta li{display:flex;gap:9px;font-size:13.5px;color:var(--text)}
.machine-meta li b{color:var(--gold-deep);font-weight:800;flex:0 0 auto}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:26px 24px;box-shadow:var(--shadow-sm);
}
.compare-card.good{border-left:5px solid var(--cyan)}
.compare-card.bad{border-left:5px solid #ff6b6b}
.compare-card h3{font-size:18px;display:flex;align-items:center;gap:10px}
.compare-card h3 .mark{
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:14px;font-weight:900;
}
.compare-card.good h3 .mark{background:rgba(57,224,208,.16);color:#0f7c73}
.compare-card.bad h3 .mark{background:rgba(255,107,107,.14);color:#c92c2c}
.compare-card ul{margin-top:16px;display:grid;gap:12px}
.compare-card li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text);line-height:1.8}
.compare-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%}
.compare-card.good li::before{background:var(--cyan)}
.compare-card.bad li::before{background:#ff6b6b}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:18px;margin-top:6px}
.timeline::before{
 content:"";position:absolute;left:17px;top:10px;bottom:10px;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.7),rgba(255,255,255,.14));
}
.timeline li{position:relative;padding-left:56px}
.timeline li .dot{
 position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:12px;
 display:grid;place-items:center;font-weight:900;font-size:14px;
 background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;
 box-shadow:0 10px 22px rgba(255,163,0,.35);
}
.timeline li h3{color:#fff;font-size:17px}
.timeline li p{margin-top:6px;color:#b3bbe0;font-size:14.5px;line-height:1.85}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
 display:flex;flex-direction:column;gap:10px;height:100%;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.news-tag{
 align-self:flex-start;font-size:11.5px;font-weight:800;letter-spacing:.5px;
 padding:4px 10px;border-radius:999px;color:#6b4c00;
 background:rgba(255,180,0,.18);border:1px solid rgba(255,180,0,.45);
}
.news-card h3{font-size:16px;line-height:1.55}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.8;flex:1 1 auto}
.news-card time{font-size:12.5px;color:#9098b8}
.empty-tip{
 padding:30px;border:1px dashed var(--line);border-radius:var(--radius);
 background:#fbfcff;color:var(--muted);text-align:center;font-size:14.5px;
}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.assure-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;height:100%;
 transition:transform .25s,background .25s,border-color .25s;
}
.assure-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.5)}
.assure-card .ico-box{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,180,0,.9),rgba(255,138,0,.85));color:#241a02;
 font-weight:900;font-size:16px;
}
.assure-card h3{margin-top:14px;color:#fff;font-size:16px}
.assure-card p{margin-top:8px;font-size:13.5px;color:#aab2d8;line-height:1.8}

/* ---------- quick answer ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.qa-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.qa-card h3{font-size:16px;display:flex;gap:10px;align-items:flex-start}
.qa-card h3 b{color:var(--gold-deep);font-weight:900}
.qa-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
 font-weight:800;font-size:15.5px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:900;font-size:16px;
 transition:transform .25s,background .25s;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- cta form ---------- */
.cta-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:center}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-copy p{margin-top:14px;color:#b9c1e4;font-size:15px;line-height:1.9}
.cta-points{margin-top:20px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:#d5dbef}
.cta-points li::before{content:"◆";color:var(--gold);font-size:11px;line-height:1.9}
.form-card{
 background:#fff;border-radius:var(--radius-lg);padding:28px 26px;
 box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.5);
}
.form-card h3{font-size:18px}
.form-card .hint{margin-top:6px;font-size:13px;color:var(--muted)}
.field{margin-top:16px}
.field label{display:block;font-size:13.5px;font-weight:800;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
 width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
 background:#fbfcff;color:var(--text);font-size:14px;
 transition:border-color .22s,box-shadow .22s,background .22s;
}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);background:#fff;
 box-shadow:0 0 0 3px rgba(255,180,0,.18);
}
.field textarea{min-height:100px;resize:vertical}
.form-card .btn{width:100%;margin-top:20px}
.form-tip{margin-top:12px;font-size:12.5px;color:#9098b8;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:#12162f;color:#a9b0cd;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand strong{font-size:16px;font-weight:800}
.site-footer p{margin-top:14px;font-size:13.5px;line-height:1.9;color:#98a1c5;max-width:340px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#a3abd0;transition:color .2s}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
 font-size:12.5px;color:#7d86ad;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .header-inner{flex-wrap:wrap;gap:10px;padding:10px 0}
 .nav-search{max-width:none;order:3;flex:1 1 100%}
 .nav-links{margin-left:0;flex-wrap:wrap}
 .check-layout{grid-template-columns:1fr}
 .assure-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .cta-wrap{grid-template-columns:1fr}
}
@media (max-width:860px){
 .nav-links{display:none}
 .nav-toggle{display:grid}
 .matrix-grid{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .qa-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .page-hero-inner{padding-top:24px;padding-bottom:46px}
 .section{padding:52px 0}
 .hero-actions .btn{width:100%}
 .check-strip li{width:100%}
 .assure-grid,.news-grid,.footer-grid{grid-template-columns:1fr}
 .timeline li{padding-left:48px}
 .form-card{padding:22px 18px}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#151936;
 --ink-3:#232a52;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#b57c00;
 --cyan:#39e0d0;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --text:#1d2238;
 --muted:#6b7286;
 --line:#e3e6f0;
 --radius:12px;
 --radius-md:16px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 24px 56px rgba(26,31,61,.18);
 --container:1180px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(20,24,52,.97);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,13,32,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 color:#20180a;font-weight:900;font-size:17px;
 box-shadow:0 8px 18px rgba(255,163,0,.35);
}
.brand-text{color:#fff;font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--gold-2)}
.nav-search{
 flex:1 1 auto;max-width:430px;display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;padding:6px 6px 6px 15px;
 transition:border-color .25s,background .25s,box-shadow .25s;
}
.nav-search:focus-within{
 border-color:rgba(255,180,0,.72);
 background:rgba(255,255,255,.13);
 box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.nav-search .ico{width:17px;height:17px;flex:0 0 auto;color:#9aa3c8}
.nav-search input{
 flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
 color:#fff;font-size:13.5px;padding:4px 0;height:auto;margin:0;
}
.nav-search input::placeholder{color:#8b93bb}
.search-btn{
 border:0;border-radius:999px;padding:7px 17px;font-size:13px;font-weight:800;
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ff9d00);
 transition:filter .2s,transform .2s;white-space:nowrap;margin:0;
}
.search-btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:8px 11px;border-radius:9px;color:#c9cfe8;font-size:13.5px;font-weight:600;
 white-space:nowrap;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.is-active{
 color:#241a02;background:linear-gradient(135deg,var(--gold),#ffa000);
 box-shadow:0 6px 16px rgba(255,163,0,.3);
}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;flex:0 0 auto;
 border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
 color:#fff;place-items:center;margin:0;
}
.nav-toggle svg{width:20px;height:20px}
.mobile-panel{display:none;background:#171b3a;border-top:1px solid rgba(255,255,255,.08);padding:10px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin:8px 22px 12px}
.mobile-panel a{display:block;padding:12px 22px;color:#cfd5ec;font-weight:600;font-size:14.5px;transition:background .2s,color .2s}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:#fff}
.mobile-panel a.is-active{color:var(--gold)}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;
 border:1px solid transparent;transition:transform .22s,box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn-gold{
 background:linear-gradient(135deg,#ffc633,#ff9a00);color:#241a02;
 box-shadow:0 14px 28px rgba(255,163,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(255,163,0,.46);color:#241a02}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);color:#fff}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
 outline:3px solid rgba(255,180,0,.55);outline-offset:3px;
}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#0f1330;color:#fff}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center center;transform:scale(1.06)}
.hero-overlay{
 position:absolute;inset:0;z-index:1;
 background:linear-gradient(102deg,rgba(13,17,46,.97) 0%,rgba(15,19,48,.92) 46%,rgba(26,31,61,.66) 100%);
}
.hero::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:120px;z-index:1;
 background:linear-gradient(180deg,rgba(15,19,48,0),#f5f6fa);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:96px}
.hero-grid{margin-left:-14px;margin-right:-14px;align-items:center}
.hero-grid>.cell{padding-left:14px;padding-right:14px}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.44);
 color:var(--gold-2);font-size:13px;font-weight:700;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.hero h1{
 margin-top:20px;font-size:clamp(30px,4.2vw,50px);color:#fff;letter-spacing:-.8px;
 text-shadow:0 10px 34px rgba(0,0,0,.42);
}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.95;color:#c3cae6;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:36px;margin-top:42px}
.hero-fact strong{display:block;font-size:26px;font-weight:900;color:var(--gold-2);letter-spacing:-.5px;line-height:1.2}
.hero-fact span{font-size:12.8px;color:#98a1c5}
/* hero pick card */
.pick-card{
 background:linear-gradient(165deg,rgba(255,255,255,.13),rgba(255,255,255,.04));
 border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);
 padding:16px;box-shadow:var(--shadow-lg);backdrop-filter:blur(6px);
}
.pick-media{position:relative;border-radius:var(--radius-md);overflow:hidden}
.pick-media img{width:100%;height:212px;object-fit:cover;transition:transform .5s}
.pick-card:hover .pick-media img{transform:scale(1.05)}
.pick-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,19,48,0),rgba(15,19,48,.55))}
.pick-tag{
 position:absolute;left:12px;top:12px;z-index:2;
 background:linear-gradient(135deg,var(--gold),#ff9a00);color:#241a02;
 font-size:12px;font-weight:800;padding:5px 12px;border-radius:999px;
}
.pick-body{padding:16px 6px 6px}
.pick-body h2{font-size:16px;color:#fff;margin-bottom:10px}
.pick-list li{
 position:relative;padding-left:20px;font-size:13.4px;color:#bcc4e2;line-height:1.85;margin-bottom:7px;
}
.pick-list li::before{
 content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
}
/* ---------- sections ---------- */
.section{padding:74px 0;position:relative}
.section--paper{background:#fff}
.section--dark{background:linear-gradient(150deg,#151936,#1e2447 62%,#232a52);color:#c3cae6}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px;flex-wrap:wrap}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;
 color:var(--gold-deep);margin-bottom:10px;
}
.section--dark .eyebrow{color:var(--gold-2)}
.sec-title{font-size:clamp(21px,2.5vw,30px);letter-spacing:-.4px}
.section--dark .sec-title{color:#fff}
.sec-sub{margin-top:10px;font-size:14.5px;color:var(--muted);max-width:660px;line-height:1.9}
.section--dark .sec-sub{color:#a5aecd}
.sec-more{font-size:13.5px;font-weight:800;color:var(--gold-deep);white-space:nowrap;transition:color .2s,transform .2s;display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{color:var(--gold);transform:translateX(3px)}
/* spec metric cards */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.spec-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:24px 22px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
 transition:transform .28s,box-shadow .28s,border-color .28s;
}
.spec-card::before{
 content:"";position:absolute;left:0;top:0;width:100%;height:4px;
 background:linear-gradient(90deg,var(--gold),var(--cyan));opacity:.9;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.spec-num{font-size:29px;font-weight:900;color:var(--ink);letter-spacing:-.8px;line-height:1.2}
.spec-num small{font-size:13px;font-weight:700;color:var(--muted);margin-left:4px;letter-spacing:0}
.spec-name{margin-top:8px;font-size:14px;font-weight:800;color:var(--ink-3)}
.spec-desc{margin-top:7px;font-size:13px;color:var(--muted);line-height:1.8}
/* step cards */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .28s,box-shadow .28s,border-color .28s;
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.4)}
.step-index{
 display:inline-flex;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:12px;font-weight:900;font-size:16px;
 background:linear-gradient(135deg,#ffe0a3,#ffc247);color:#4a3405;
 box-shadow:0 8px 18px rgba(255,180,0,.26);
}
.step-card h3{margin-top:16px;font-size:18px}
.step-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.9}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
 font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;
 background:rgba(26,31,61,.05);color:var(--ink-3);border:1px solid var(--line);
}
.tag--gold{background:rgba(255,180,0,.14);color:var(--gold-deep);border-color:rgba(255,180,0,.32)}
/* compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:28px 26px;box-shadow:var(--shadow-sm);
}
.compare-card--gold{border-color:rgba(255,180,0,.45);box-shadow:0 16px 38px rgba(255,180,0,.16)}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.compare-head h3{font-size:18px}
.badge{
 font-size:11.5px;font-weight:800;padding:4px 11px;border-radius:999px;
 background:rgba(57,224,208,.16);color:#106e66;border:1px solid rgba(57,224,208,.4);
}
.badge--gold{background:rgba(255,180,0,.16);color:var(--gold-deep);border-color:rgba(255,180,0,.4)}
.compare-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.compare-row:last-child{border-bottom:0}
.compare-row span:first-child{color:var(--muted)}
.compare-row span:last-child{font-weight:800;color:var(--ink)}
/* timeline */
.timeline{position:relative;padding-left:32px}
.timeline::before{
 content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--gold),rgba(57,224,208,.7));
}
.tl-item{position:relative;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-31px;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,.14);
}
.tl-item h3{font-size:16.5px}
.tl-item p{margin-top:7px;font-size:14px;color:var(--muted);line-height:1.9}
.tl-meta{font-size:12.5px;font-weight:800;color:var(--gold-deep);letter-spacing:.4px;margin-bottom:6px;display:block}
.path-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.path-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(26,31,61,.08)}
.path-media img{width:100%;height:380px;object-fit:cover}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
 transition:transform .28s,box-shadow .28s,border-color .28s;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.4)}
.news-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.news-cat{
 font-size:11.5px;font-weight:800;padding:4px 11px;border-radius:999px;
 background:rgba(26,31,61,.06);color:var(--ink-3);border:1px solid var(--line);
}
.news-date{font-size:12.5px;color:var(--muted)}
.news-card h3{font-size:16.5px;line-height:1.55}
.news-card h3 a{transition:color .2s}
.news-card h3 a:hover{color:var(--gold-deep)}
.news-card p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.85;flex:1 1 auto}
.news-link{margin-top:16px;font-size:13px;font-weight:800;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px}
.news-link:hover{color:var(--gold)}
.cms-empty{
 grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-md);
 padding:34px;text-align:center;color:var(--muted);font-size:14px;
}
/* reviews / dark section */
.review-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.review-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius-md);padding:20px;transition:background .25s,border-color .25s,transform .25s;
}
.review-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.4);transform:translateY(-3px)}
.review-card p{font-size:13.8px;line-height:1.9;color:#cfd6ee}
.review-who{margin-top:14px;font-size:12.5px;color:var(--gold-2);font-weight:700}
.guard-list li{
 display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);
}
.guard-list li:last-child{border-bottom:0}
.guard-ico{
 flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.4);color:var(--gold-2);font-weight:900;font-size:14px;
}
.guard-list h4{color:#fff;font-size:15px;margin-bottom:5px}
.guard-list p{font-size:13.5px;color:#a5aecd;line-height:1.85}
/* quick answer */
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quick-item{
 background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:box-shadow .25s,transform .25s;
}
.quick-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.quick-item h3{font-size:15.5px;color:var(--ink)}
.quick-item p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.9}
.stuck-band{
 margin-top:26px;background:linear-gradient(135deg,#1a1f3d,#232a52);
 border-radius:var(--radius-md);padding:26px 28px;color:#c9d0ea;
 display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.stuck-band h4{color:#fff;font-size:14.5px;margin-bottom:7px}
.stuck-band p{font-size:13.2px;line-height:1.85;color:#a9b2d2}
/* faq */
.faq-list{display:grid;gap:14px;max-width:940px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
 font-weight:800;font-size:15px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:900;font-size:16px;
 transition:transform .25s,background .25s;
}
.faq-item[open] summary::after{content:"−";background:rgba(255,180,0,.3);transform:translateY(-50%) rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.95}
/* form */
.start-wrap{
 display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;
 background:linear-gradient(135deg,#151936,#232a52 58%,#2b3566);
 border-radius:var(--radius-lg);padding:44px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.start-wrap::before{
 content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.start-copy{position:relative;z-index:1}
.start-copy h2{color:#fff;font-size:clamp(21px,2.4vw,29px);letter-spacing:-.4px}
.start-copy p{margin-top:14px;font-size:14.5px;color:#b9c2e0;line-height:1.95}
.start-points{margin-top:22px;display:grid;gap:10px}
.start-points li{font-size:13.6px;color:#cfd6ee;padding-left:20px;position:relative}
.start-points li::before{
 content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
}
.form-card{position:relative;z-index:1;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-md);padding:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:800;color:#cfd6ee;margin-bottom:7px;letter-spacing:.3px}
.field input,.field select,.field textarea{
 width:100%;margin:0;border-radius:10px;border:1px solid rgba(255,255,255,.2);
 background:rgba(255,255,255,.08);color:#fff;font-size:13.8px;padding:11px 13px;
 transition:border-color .22s,background .22s,box-shadow .22s;
}
.field input::placeholder,.field textarea::placeholder{color:#8d97bd}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);background:rgba(255,255,255,.14);
 box-shadow:0 0 0 3px rgba(255,180,0,.18);
}
.field select option{color:#1d2238}
.field textarea{resize:vertical;min-height:88px}
.form-card .btn{width:100%;margin-top:6px}
.form-note{margin-top:12px;font-size:12.5px;color:#9aa4c8;min-height:18px}
.form-note.is-on{color:var(--gold-2);font-weight:700}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:#b9c0dc;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:15px;border-radius:10px}
.footer-brand strong{color:#fff;font-size:16px}
.site-footer p{font-size:13.5px;line-height:1.95;color:#a7afd0;max-width:350px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.3px}
.footer-col li{margin-bottom:9px}
.footer-col a{color:#a7afd0;font-size:13.5px;transition:color .2s}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.09);padding:18px 0 26px;display:flex;justify-content:space-between;
 gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8b93b8;
}
/* ---------- responsive ---------- */
@media (min-width:993px){
 .mobile-panel{display:none !important}
}
@media (max-width:1100px){
 .nav-links a{padding:8px 9px;font-size:13px}
 .nav-search{max-width:330px}
}
@media (max-width:1024px){
 .spec-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .step-grid{grid-template-columns:1fr 1fr}
 .review-layout{grid-template-columns:1fr}
 .path-layout{grid-template-columns:1fr;gap:26px}
 .path-media img{height:300px}
}
@media (max-width:992px){
 .nav-links{display:none}
 .header-inner>.nav-search{display:none}
 .nav-toggle{display:grid;margin-left:auto}
 .hero-inner{padding-top:48px;padding-bottom:74px}
}
@media (max-width:860px){
 .compare-grid{grid-template-columns:1fr}
 .quick-grid{grid-template-columns:1fr}
 .stuck-band{grid-template-columns:1fr}
 .start-wrap{grid-template-columns:1fr;padding:30px}
 .hero-facts{gap:26px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .step-grid{grid-template-columns:1fr}
 .spec-grid{grid-template-columns:1fr 1fr}
 .review-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .hero h1{letter-spacing:-.4px}
 .section-head{margin-bottom:26px}
}
@media (max-width:600px){
 .header-inner{min-height:66px;gap:10px}
 .brand-text{font-size:14.5px}
 .news-grid{grid-template-columns:1fr}
 .spec-grid{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .start-wrap{padding:24px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-inner{padding-top:38px;padding-bottom:56px}
 .hero-actions .btn{width:100%}
 .hero-facts{gap:20px}
 .hero-fact strong{font-size:22px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column}
 .pick-media img{height:180px}
 .section{padding:46px 0}
}