/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#232a52;
  --ink-3:#2e3768;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --bg:#f6f7fb;
  --surface:#ffffff;
  --text:#1b2033;
  --muted:#6b7280;
  --line:#e6e8f0;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 12px 32px rgba(26,31,61,.10);
  --shadow-lg:0 26px 64px rgba(26,31,61,.18);
  --max: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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(26,31,61,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold),#ff8a00);
  display:grid;place-items:center;color:#1a1f3d;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(255,180,0,.32);
}
.brand-text{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:10px;
  color:#c8cee6;font-size:15px;white-space:nowrap;
  transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.is-active{
  color:#1a1f3d;font-weight:700;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 6px 18px rgba(255,180,0,.26);
}
.nav-link .caret{transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop-panel{
  position:absolute;top:calc(100% + 10px);left:0;min-width:232px;
  background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s,transform .2s,visibility .2s;z-index:90;
}
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{
  display:block;padding:9px 13px;border-radius:9px;
  font-size:14px;color:#38405a;transition:background .18s,color .18s;
}
.drop-panel a:hover{background:#fff6e0;color:#8a5600}
.drop-title{font-size:12px;letter-spacing:.12em;color:#9aa1b6;padding:6px 13px 4px;font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:4px 4px 4px 15px;
  transition:border-color .2s,background .2s;
}
.nav-search:focus-within{border-color:rgba(255,180,0,.7);background:rgba(255,255,255,.15)}
.nav-search input{
  background:transparent;border:0;color:#fff;font-size:14px;width:126px;outline:none;
}
.nav-search input::placeholder{color:#9aa3c2}
.nav-search button{
  width:31px;height:31px;border-radius:50%;border:0;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#1a1f3d;display:grid;place-items:center;transition:transform .2s;
}
.nav-search button:hover{transform:scale(1.07)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:#fff;align-items:center;justify-content:center;
}
.mobile-panel{display:none;background:#161a33;border-top:1px solid rgba(255,255,255,.08);padding:14px 24px 26px}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;color:#cfd5ea;font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.is-active{color:var(--gold);font-weight:700}
.mobile-search{display:flex;gap:8px;margin-top:14px}
.mobile-search input{
  flex:1;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:10px;padding:10px 14px;color:#fff;font-size:14px;outline:none;
}
.mobile-search button{
  border:0;border-radius:10px;padding:0 20px;font-weight:700;color:#1a1f3d;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#12162f;color:#fff;padding:92px 0 76px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.38;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(255,180,0,.24),transparent 58%),
             linear-gradient(180deg,rgba(18,22,47,.72) 0%,rgba(18,22,47,.95) 100%);
}
.hero .container{position:relative;z-index:2;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.10em;color:#ffe6ad;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.34);
  padding:7px 18px;border-radius:999px;margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 10px var(--gold)}
.hero-title{
  font-size:clamp(28px,4.4vw,50px);
  line-height:1.24;font-weight:800;letter-spacing:-.02em;
  margin:0 auto 20px;max-width:900px;
  background:linear-gradient(120deg,#ffffff 0%,#ffffff 52%,#ffd166 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.9;color:#c3cae4}
.hero-search{
  max-width:640px;margin:34px auto 0;display:flex;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:8px;backdrop-filter:blur(10px);
  box-shadow:0 18px 44px rgba(0,0,0,.24);
}
.hero-search input{
  flex:1;background:transparent;border:0;color:#fff;
  padding:11px 20px;font-size:15px;outline:none;min-width:0;
}
.hero-search input::placeholder{color:#98a1c3}
.hero-search button{
  border:0;border-radius:999px;padding:13px 30px;font-weight:800;font-size:15px;
  color:#1a1f3d;background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 10px 24px rgba(255,180,0,.32);
  transition:transform .2s,box-shadow .2s;white-space:nowrap;
}
.hero-search button:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.42)}
.hero-quick{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:26px}
.quick-label{font-size:13px;color:#98a1c3;letter-spacing:.1em}
.hero-quick a{
  font-size:14px;padding:7px 17px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:#dde3f6;
  transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.hero-quick a:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.62);color:#fff;transform:translateY(-1px)}
.hero-stats{
  display:flex;justify-content:center;gap:54px;flex-wrap:wrap;
  margin-top:46px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats div{text-align:center}
.hero-stats strong{display:block;font-size:27px;font-weight:800;color:var(--gold);letter-spacing:-.01em}
.hero-stats span{font-size:13.5px;color:#a4adcb}

/* ---------- sections ---------- */
.section{padding:82px 0}
.section--soft{background:var(--mist)}
.section--dark{background:var(--ink);color:#e8ebf7}
.section--dark .sec-title{color:#fff}
.section--dark .split-head-desc{color:#a8b1cf}
.sec-kicker{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;
  color:#8a5600;background:#fff4d6;padding:6px 15px;border-radius:999px;margin-bottom:16px;
}
.section--dark .sec-kicker{background:rgba(255,180,0,.16);color:#ffd166}
.sec-title{font-size:clamp(23px,2.8vw,33px);line-height:1.34;font-weight:800;letter-spacing:-.015em;margin:0 0 14px}
.split-head{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:44px;align-items:end;margin-bottom:48px;
}
.split-head-desc{color:var(--muted);font-size:15.5px;margin:0;line-height:1.85}

/* ---------- grids ---------- */
.g-grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ffdc95}
.card h3{font-size:18px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.card p{font-size:14.8px;color:var(--muted);line-height:1.82;margin:0}
.card-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:#8a5600;background:#fff4d6;padding:4px 11px;border-radius:999px;margin-bottom:14px;
}
.mech-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .24s,box-shadow .24s}
.mech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.mech-idx{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--ink),var(--ink-3));color:var(--gold);
  font-weight:800;font-size:15px;letter-spacing:.02em;margin-bottom:16px;
}
.mech-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.mech-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}

/* ---------- demo ---------- */
.demo-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:52px;align-items:center}
.demo-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--ink)}
.demo-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.1;transition:transform .5s}
.demo-figure:hover img{transform:scale(1.04)}
.demo-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 24px;color:#fff;font-size:14px;
  background:linear-gradient(180deg,transparent,rgba(12,15,34,.92));
}
.demo-steps{display:flex;flex-direction:column;gap:18px}
.demo-step{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.demo-step:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#ffdc95}
.step-num{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;font-size:14px;
  color:#1a1f3d;background:linear-gradient(135deg,var(--gold),var(--gold-2));
}
.demo-step h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.demo-step p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}

/* ---------- result ---------- */
.result-list{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.result-row{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.11);
  border-radius:var(--radius);padding:24px 26px;
  transition:background .22s,border-color .22s;
}
.result-row:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.42)}
.result-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.result-head span{font-size:16px;font-weight:800;color:#fff}
.result-head em{
  font-style:normal;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:#ffd166;background:rgba(255,180,0,.15);
  border:1px solid rgba(255,180,0,.3);padding:4px 12px;border-radius:999px;
}
.bar{height:9px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:14px}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.result-row p{font-size:14.5px;color:#a9b2d0;margin:0;line-height:1.85}

/* ---------- stuck list ---------- */
.stuck-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.stuck-item{
  display:grid;grid-template-columns:74px minmax(0,1fr) minmax(0,1.15fr);
  gap:26px;align-items:start;padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background .2s;
}
.stuck-item:hover{background:#fffdf7}
.stuck-no{font-size:26px;font-weight:800;color:#dfe3ef;letter-spacing:-.02em;line-height:1.2}
.stuck-item h3{font-size:17px;font-weight:800;margin:0}
.stuck-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.85}

/* ---------- path timeline ---------- */
.path-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;margin-top:10px}
.path-track::before{
  content:"";position:absolute;left:6%;right:6%;top:23px;height:2px;
  background:linear-gradient(90deg,rgba(255,180,0,.15),rgba(255,180,0,.75),rgba(255,180,0,.15));
}
.path-node{position:relative;text-align:center;padding-top:0}
.path-dot{
  width:16px;height:16px;border-radius:50%;margin:16px auto 18px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 0 0 6px rgba(255,180,0,.16);position:relative;z-index:2;
}
.path-node h3{font-size:16px;font-weight:800;margin-bottom:8px}
.path-node p{font-size:14px;color:var(--muted);margin:0;line-height:1.78}

/* ---------- metrics band ---------- */
.metrics-band{background:linear-gradient(135deg,#fff8e6,#fff3d4);border-top:1px solid #ffe6b0;border-bottom:1px solid #ffe6b0;padding:52px 0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;text-align:center}
.metric strong{display:block;font-size:30px;font-weight:800;color:#8a5600;letter-spacing:-.02em}
.metric span{font-size:13.5px;color:#8d6a2a}

/* ---------- category wall ---------- */
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#ffdc95}
.cat-thumb{position:relative;overflow:hidden;aspect-ratio:16/9.4;background:var(--ink)}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat-card:hover .cat-thumb img{transform:scale(1.06)}
.cat-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(18,22,47,.6))}
.cat-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.cat-body h3{font-size:17.5px;font-weight:800;margin-bottom:9px}
.cat-body p{font-size:14.5px;color:var(--muted);margin:0 0 18px;line-height:1.8;flex:1}
.cat-link{font-size:14px;font-weight:800;color:#8a5600;display:inline-flex;align-items:center;gap:6px}
.cat-link:hover{color:#c07f00}
.cat-link svg{transition:transform .2s}
.cat-card:hover .cat-link svg{transform:translateX(4px)}

/* ---------- fit ---------- */
.fit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.fit-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.fit-panel h3{font-size:18px;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.fit-mark{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:14px;font-weight:800}
.fit-yes .fit-mark{background:#e8f7ee;color:#1f8b52}
.fit-no .fit-mark{background:#fdeceb;color:#c04236}
.fit-panel li{
  font-size:14.8px;color:#4a5169;line-height:1.8;padding:10px 0 10px 20px;
  border-bottom:1px dashed var(--line);position:relative;
}
.fit-panel li:last-child{border-bottom:0;padding-bottom:0}
.fit-panel li::before{
  content:"";position:absolute;left:0;top:19px;width:7px;height:7px;border-radius:50%;
}
.fit-yes li::before{background:var(--gold)}
.fit-no li::before{background:#c7cbdb}

/* ---------- resource wall ---------- */
.res-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ffdc95}
.res-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#fff4d6,#ffe6a8);color:#8a5600;margin-bottom:16px;
}
.res-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.res-card p{font-size:14.3px;color:var(--muted);margin:0;line-height:1.8}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:8px}
.safety-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
}
.safety-shield{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ink),var(--ink-3));color:var(--gold);
}
.safety-card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.safety-card p{font-size:14.4px;color:var(--muted);margin:0;line-height:1.8}

/* ---------- calendar ---------- */
.cal-list{display:flex;flex-direction:column;gap:0}
.cal-row{
  display:grid;grid-template-columns:120px minmax(0,1fr) 130px;
  gap:22px;align-items:center;padding:20px 6px;border-bottom:1px solid var(--line);
  transition:background .2s;
}
.cal-row:hover{background:#fffdf7}
.cal-when{font-size:14px;font-weight:800;color:#8a5600}
.cal-row h3{font-size:15.5px;font-weight:700;margin:0 0 4px}
.cal-row p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
.cal-tag{
  justify-self:end;font-size:12.5px;font-weight:700;color:#4b5470;
  background:#eef1fa;border-radius:999px;padding:5px 13px;
}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:32px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#ffdc95}
.news-copy h3{font-size:16.5px;font-weight:800;margin-bottom:7px;letter-spacing:-.01em}
.news-copy p{font-size:14.3px;color:var(--muted);margin:0;line-height:1.8}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}
.chip-dot{font-size:12.5px;font-weight:700;color:#8a5600;background:#fff4d6;padding:4px 12px;border-radius:999px}
.news-time{font-size:12.5px;color:#9aa1b6}
.news-empty{font-size:15px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:30px;text-align:center}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.side-title{font-size:15px;font-weight:800;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-list li{border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:flex;gap:10px;align-items:flex-start;padding:12px 0;font-size:14.3px;color:#3d455c;line-height:1.7;transition:color .2s}
.side-list a:hover{color:#a06a00}
.side-dot{flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px}
.side-empty{font-size:14px;color:var(--muted);padding:12px 0}
.side-more{
  display:block;margin-top:18px;text-align:center;font-size:14px;font-weight:800;
  padding:11px;border-radius:10px;color:#1a1f3d;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  transition:transform .2s,box-shadow .2s;
}
.side-more:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.34)}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:84px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 20%,rgba(255,180,0,.22),transparent 55%),
             linear-gradient(180deg,rgba(26,31,61,.86),rgba(26,31,61,.97));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(23px,2.8vw,33px);font-weight:800;line-height:1.35;margin-bottom:16px;letter-spacing:-.015em}
.cta-inner p{font-size:15.5px;color:#bcc4de;margin:0;line-height:1.9}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-weight:800;font-size:15px;
  border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,border-color .22s;
  text-align:center;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#1a1f3d;
  box-shadow:0 12px 28px rgba(255,180,0,.3);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.4)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.cta-note{font-size:13px;color:#8d96b6;text-align:center}

/* ---------- footer ---------- */
.site-footer{background:#141834;color:#a8b1cf;padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(2,minmax(0,.8fr));gap:44px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14.3px;line-height:1.9;margin:0;max-width:400px}
.footer-col h4{font-size:14px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.04em}
.footer-col a{display:block;font-size:14px;padding:7px 0;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7d87a9;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:flex}
  .hero{padding:72px 0 60px}
  .hero-stats{gap:36px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path-track{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:34px}
  .path-track::before{display:none}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:34px}
  .news-layout{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .demo-layout{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-block{grid-column:1/-1}
  .stuck-item{grid-template-columns:52px minmax(0,1fr);gap:16px}
  .stuck-item p{grid-column:2/3}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .split-head{grid-template-columns:1fr;gap:14px;margin-bottom:34px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .fit-grid,.safety-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:14px}
  .news-meta{flex-direction:row;align-items:center;justify-content:flex-start}
  .cal-row{grid-template-columns:1fr;gap:8px}
  .cal-tag{justify-self:start}
  .hero-search{flex-direction:column;border-radius:20px;padding:12px}
  .hero-search button{width:100%;padding:13px 20px}
  .hero-search input{padding:10px 8px;text-align:center}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-wrap{padding:0 18px;height:66px}
  .brand-text{font-size:15px}
  .hero{padding:56px 0 48px}
  .hero-lead{font-size:15px}
  .hero-stats{gap:22px;margin-top:34px}
  .hero-stats strong{font-size:22px}
  .metrics-grid{grid-template-columns:1fr}
  .path-track{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .card,.mech-card,.res-card,.safety-card{padding:20px}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2e3768;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --bg:#f6f7fb;
 --surface:#ffffff;
 --text:#1b2033;
 --muted:#6b7280;
 --line:#e6e8f0;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 26px 64px rgba(26,31,61,.18);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(26,31,61,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 display:grid;place-items:center;color:#1a1f3d;font-weight:800;font-size:18px;
 box-shadow:0 6px 18px rgba(255,180,0,.32);
}
.brand-text{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;
 padding:9px 15px;border-radius:10px;
 color:#c8cee6;font-size:15px;white-space:nowrap;
 transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-link.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 6px 18px rgba(255,180,0,.26);
}
.nav-link .caret{transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop-panel{
 position:absolute;top:calc(100% + 10px);left:0;min-width:242px;
 background:#fff;border:1px solid var(--line);border-radius:14px;
 padding:10px;box-shadow:var(--shadow-md);
 opacity:0;visibility:hidden;transform:translateY(8px);
 transition:opacity .2s,transform .2s,visibility .2s;z-index:90;
}
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{
 display:block;padding:9px 13px;border-radius:9px;
 font-size:14px;color:#38405a;transition:background .18s,color .18s;
}
.drop-panel a:hover{background:#fff6e0;color:#8a5600}
.drop-title{display:block;font-size:12px;letter-spacing:.12em;color:#9aa1b6;padding:6px 13px 4px;font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
 display:flex;align-items:center;gap:6px;
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.16);
 border-radius:999px;padding:4px 4px 4px 15px;
 transition:border-color .2s,background .2s;
}
.nav-search:focus-within{border-color:rgba(255,180,0,.7);background:rgba(255,255,255,.15)}
.nav-search input{background:transparent;border:0;color:#fff;font-size:14px;width:126px;outline:none}
.nav-search input::placeholder{color:#9aa3c2}
.nav-search button{
 width:31px;height:31px;border-radius:50%;border:0;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 color:#1a1f3d;display:grid;place-items:center;cursor:pointer;transition:transform .2s;
}
.nav-search button:hover{transform:scale(1.07)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
 color:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;background:#161a33;border-top:1px solid rgba(255,255,255,.08);padding:14px 24px 26px}
.mobile-panel.is-open{display:block}
.mobile-panel a{
 display:block;padding:12px 4px;color:#cfd5ea;font-size:15px;
 border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a.is-active{color:var(--gold);font-weight:700}
.mobile-search{display:flex;gap:8px;margin-top:14px}
.mobile-search input{
 flex:1;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
 border-radius:10px;padding:10px 14px;color:#fff;font-size:14px;outline:none;
}
.mobile-search button{
 border:0;border-radius:10px;padding:0 20px;font-weight:700;color:#1a1f3d;cursor:pointer;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:#12162f;color:#fff;padding:46px 0 62px}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 opacity:.34;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 18% 8%,rgba(255,180,0,.22),transparent 56%),
 linear-gradient(180deg,rgba(18,22,47,.70) 0%,rgba(18,22,47,.96) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#9aa3c2;margin-bottom:22px}
.breadcrumb a{color:#c8cee6;transition:color .2s}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:#5a6285}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:.10em;color:#ffe6ad;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.34);
 padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 10px var(--gold)}
.article-title{
 font-size:clamp(26px,3.4vw,40px);
 line-height:1.28;font-weight:800;letter-spacing:-.01em;
 color:#fff;margin-bottom:16px;
}
.article-lead{font-size:16px;line-height:1.9;color:#c3cae4;max-width:720px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.meta-tag{
 display:inline-flex;align-items:center;
 font-size:13px;padding:5px 14px;border-radius:999px;
 background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.36);
 color:#ffd980;font-weight:600;
}
.meta-text{font-size:13.5px;color:#9aa3c2}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;
 border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.42)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}

/* ---------- hero side panel ---------- */
.side-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius-lg);
 padding:22px;backdrop-filter:blur(10px);
 box-shadow:0 18px 44px rgba(0,0,0,.24);
}
.side-panel h2{
 font-size:14px;letter-spacing:.08em;color:#ffd980;font-weight:700;margin-bottom:14px;
}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{margin-bottom:10px}
.side-list a{
 display:flex;align-items:center;gap:10px;
 padding:11px 14px;border-radius:10px;font-size:14.5px;color:#e2e6f5;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.10);
 transition:background .2s,transform .2s,border-color .2s;
}
.side-list a:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.45);transform:translateX(3px)}
.side-list .num{
 width:22px;height:22px;border-radius:50%;flex-shrink:0;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 color:#1a1f3d;font-size:12px;font-weight:800;
 display:grid;place-items:center;
}
.side-thumb{margin-top:16px;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.side-thumb img{width:100%;height:132px;object-fit:cover;opacity:.92}

/* ---------- sections ---------- */
.section{padding:70px 0}
.section-tight{padding:52px 0}
.section-alt{background:#fff}
.section-dark{background:#12162f;color:#dfe4f4}
.section-head{max-width:720px;margin-bottom:34px}
.eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:.14em;font-weight:700;
 color:#b87700;background:#fff4dc;border:1px solid #ffe1a8;
 padding:4px 13px;border-radius:999px;margin-bottom:14px;
}
.section-title{
 font-size:clamp(21px,2.5vw,30px);line-height:1.35;font-weight:800;
 color:var(--ink);letter-spacing:-.01em;margin-bottom:12px;
}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.9}

/* ---------- stats strip ---------- */
.stats-strip{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;box-shadow:var(--shadow-sm);margin-top:-34px;position:relative;z-index:5;
}
.stat-num{font-size:26px;font-weight:800;color:var(--ink);line-height:1.2}
.stat-num span{font-size:14px;color:var(--gold);margin-left:2px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- article body ---------- */
.article-shell{padding:56px 0 20px}
.article-box{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:clamp(22px,4vw,46px);box-shadow:var(--shadow-sm);
}
.article-body{font-size:16.5px;line-height:1.95;color:#2b3145}
.article-body p{margin:0 0 18px}
.article-body h2{
 font-size:22px;font-weight:800;color:var(--ink);
 margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--gold);line-height:1.45;
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink);margin:26px 0 10px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-body a{color:#b87700;border-bottom:1px dashed rgba(184,119,0,.5)}
.article-body a:hover{color:#8a5600;border-bottom-style:solid}
.article-body blockquote{
 margin:24px 0;padding:18px 22px;background:#fffaf0;
 border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:#6b5320;font-size:15.5px;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:#f2f4fb;font-weight:700;color:var(--ink)}
.article-body tr:last-child td{border-bottom:0}
.empty-state{text-align:center;padding:40px 10px}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#f0d39a}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:#fff4dc;color:#b87700;font-weight:800;font-size:17px;margin-bottom:16px;
 border:1px solid #ffe1a8;
}
.card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px}
.card p{font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- stage table ---------- */
.stage-wrap{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.stage-row{
 display:grid;grid-template-columns:120px 150px 1fr 1fr;gap:16px;
 padding:18px 24px;border-bottom:1px solid var(--line);align-items:center;
 transition:background .2s;
}
.stage-row:hover{background:#fffdf6}
.stage-row:last-child{border-bottom:0}
.stage-head{background:#f2f4fb;font-size:13px;letter-spacing:.06em;color:#7b839b;font-weight:700}
.stage-name{font-weight:800;color:var(--ink);font-size:15px}
.stage-range{font-weight:700;color:#b87700;font-size:15px}
.stage-cell{font-size:14.5px;color:var(--muted)}

/* ---------- check list ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{
 display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-idx{
 width:30px;height:30px;border-radius:9px;flex-shrink:0;
 background:var(--ink);color:var(--gold);font-weight:800;font-size:13.5px;
 display:grid;place-items:center;
}
.check-list h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px}
.check-list p{font-size:14.5px;color:var(--muted);line-height:1.8}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.split-media img{width:100%;height:100%;object-fit:cover}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.rel-card{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#f0d39a}
.rel-title{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6}
.rel-arrow{color:var(--gold);font-weight:800;flex-shrink:0}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.faq-item summary{
 cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:18px 22px;font-weight:700;font-size:15.5px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold);font-size:20px;font-weight:800;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.faq-a{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(120deg,#1a1f3d 0%,#2e3768 100%);
 border-radius:var(--radius-lg);color:#fff;
 padding:clamp(26px,4vw,46px);
 display:flex;align-items:center;justify-content:space-between;gap:30px;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.34),transparent 70%);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;margin-bottom:10px;position:relative}
.cta-band p{color:#c3cae4;font-size:15px;max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{background:#12162f;color:#c3cae4;padding:56px 0 0;margin-top:0}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14.5px;line-height:1.9;color:#9aa3c2;max-width:420px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col a{display:block;font-size:14.5px;color:#9aa3c2;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;
 font-size:13px;color:#7b839b;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .nav-links{display:none}
 .nav-search{display:none}
 .nav-toggle{display:inline-flex}
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stage-row{grid-template-columns:100px 130px 1fr}
 .stage-row .stage-cell:last-child{display:none}
 .split{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
 .section{padding:52px 0}
 .grid-3,.grid-2,.rel-grid,.faq-grid{grid-template-columns:1fr}
 .article-box{padding:22px 18px}
 .article-body h2{font-size:19.5px}
 .stage-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
 .stage-head{display:none}
 .stage-row .stage-cell:last-child{display:block}
 .footer-grid{grid-template-columns:1fr}
 .article-hero{padding:34px 0 52px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .nav-wrap{padding:0 16px;height:66px}
 .brand-text{font-size:15px}
 .stats-strip{grid-template-columns:1fr;padding:20px}
 .article-title{font-size:24px}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2e3768;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --bg:#f6f7fb;
 --surface:#ffffff;
 --text:#1b2033;
 --muted:#6b7280;
 --line:#e6e8f0;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 26px 64px rgba(26,31,61,.18);
 --max: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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
 padding-bottom:88px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:3px;border-radius:8px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(26,31,61,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 display:grid;place-items:center;color:#1a1f3d;font-weight:800;font-size:18px;
 box-shadow:0 6px 18px rgba(255,180,0,.32);
}
.brand-text{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;
 padding:9px 15px;border-radius:10px;
 color:#c8cee6;font-size:15px;white-space:nowrap;
 transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 6px 18px rgba(255,180,0,.26);
}
.nav-link .caret{transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop-panel{
 position:absolute;top:calc(100% + 10px);left:0;min-width:238px;
 background:#fff;border-radius:14px;padding:10px 8px 12px;
 border:1px solid var(--line);box-shadow:var(--shadow-lg);
 opacity:0;visibility:hidden;transform:translateY(8px);
 transition:opacity .2s,transform .2s,visibility .2s;
}
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{
 display:block;padding:9px 13px;border-radius:9px;
 font-size:14px;color:#38405a;transition:background .18s,color .18s;
}
.drop-panel a:hover{background:#fff6e0;color:#8a5600}
.drop-title{font-size:12px;letter-spacing:.12em;color:#9aa1b6;padding:6px 13px 4px;font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
 display:flex;align-items:center;gap:6px;
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.16);
 border-radius:999px;padding:4px 4px 4px 15px;
 transition:border-color .2s,background .2s;
}
.nav-search:focus-within{border-color:rgba(255,180,0,.7);background:rgba(255,255,255,.15)}
.nav-search input{
 background:transparent;border:0;color:#fff;font-size:14px;width:126px;outline:none;
}
.nav-search input::placeholder{color:#9aa3c2}
.nav-search button{
 width:31px;height:31px;border-radius:50%;border:0;cursor:pointer;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 color:#1a1f3d;display:grid;place-items:center;transition:transform .2s;
}
.nav-search button:hover{transform:scale(1.07)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;cursor:pointer;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
 color:#fff;align-items:center;justify-content:center;
}
.mobile-panel{display:none;background:#161a33;border-top:1px solid rgba(255,255,255,.08);padding:14px 24px 26px}
.mobile-panel.is-open{display:block}
.mobile-panel a{
 display:block;padding:12px 4px;color:#cfd5ea;font-size:15px;
 border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a.is-active{color:var(--gold);font-weight:700}
.mobile-search{display:flex;gap:8px;margin-top:14px}
.mobile-search input{
 flex:1;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
 border-radius:10px;padding:10px 14px;color:#fff;font-size:14px;outline:none;
}
.mobile-search button{
 border:0;border-radius:10px;padding:0 20px;font-weight:700;color:#1a1f3d;cursor:pointer;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
}
/* ---------- hero (category variant) ---------- */
.hero-cat{
 position:relative;overflow:hidden;color:#fff;
 background:#12162f;
 padding:58px 0 44px;
}
.hero-cat::before{
 content:"";position:absolute;inset:0;
 background:
  radial-gradient(circle at 14% 8%,rgba(255,180,0,.20),transparent 46%),
  radial-gradient(circle at 88% 82%,rgba(88,110,255,.26),transparent 54%);
}
.hero-cat::after{
 content:"";position:absolute;inset:0;opacity:.16;
 background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
 background-size:56px 56px;
 mask-image:radial-gradient(circle at 50% 40%,#000,transparent 82%);
 -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 82%);
}
.hero-cat .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#9aa3c2;margin-bottom:26px}
.crumb a{color:#c8cee6;transition:color .2s}
.crumb a:hover{color:var(--gold)}
.crumb .cur{color:var(--gold)}
.hero-cat-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:.14em;color:#ffe6ad;
 background:rgba(255,180,0,.13);
 border:1px solid rgba(255,180,0,.34);
 padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 10px var(--gold)}
.hero-title-cat{
 font-size:clamp(26px,3.6vw,40px);
 line-height:1.28;font-weight:800;letter-spacing:-.01em;
 margin-bottom:18px;
 background:linear-gradient(118deg,#ffffff 0%,#ffffff 54%,#ffd166 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16px;line-height:1.95;color:#bfc6e0;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;
 transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn-gold{
 color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 12px 26px rgba(255,180,0,.30);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
 color:#e8ecf9;background:rgba(255,255,255,.07);
 border-color:rgba(255,255,255,.26);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-line{
 color:var(--ink);background:#fff;border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-line:hover{border-color:rgba(255,180,0,.65);color:#8a5600;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.hero-icons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.icon-tile{
 display:flex;align-items:center;gap:12px;
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.12);
 border-radius:14px;padding:14px 15px;
 transition:transform .22s,background .22s,border-color .22s;
}
.icon-tile:hover{transform:translateY(-3px);background:rgba(255,255,255,.10);border-color:rgba(255,180,0,.4)}
.tile-glyph{
 width:34px;height:34px;flex-shrink:0;border-radius:10px;
 display:grid;place-items:center;font-size:15px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
}
.tile-body{display:flex;flex-direction:column;min-width:0}
.tile-body strong{font-size:14.5px;color:#fff;font-weight:700}
.tile-body span{font-size:12.5px;color:#9ea7c8;letter-spacing:.02em}
.status-bar{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
 gap:0;margin-top:42px;
 border:1px solid rgba(255,255,255,.13);
 border-radius:16px;background:rgba(255,255,255,.045);
 overflow:hidden;
}
.status-item{padding:18px 20px;border-right:1px solid rgba(255,255,255,.10)}
.status-item:last-child{border-right:0}
.status-num{font-size:22px;font-weight:800;color:var(--gold-2);letter-spacing:.01em}
.status-label{font-size:13px;color:#9ea7c8;margin-top:2px}
/* ---------- sections ---------- */
.section{padding:74px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;
 color:#8a5600;background:#fff4d9;border:1px solid #ffe3a8;
 padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--ink);margin-bottom:14px}
.sec-sub{font-size:15.5px;color:var(--muted);line-height:1.9}
/* cards */
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ffd98a}
.card-glyph{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:17px;color:#1a1f3d;margin-bottom:16px;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 20px rgba(255,180,0,.24);
}
.card h3{font-size:17.5px;color:var(--ink);margin-bottom:9px}
.card p{font-size:14.8px;color:var(--muted);line-height:1.88}
/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.split-copy h2{font-size:clamp(22px,2.5vw,28px);color:var(--ink);margin-bottom:14px;font-weight:800}
.split-copy p{font-size:15.4px;color:var(--muted);line-height:1.95;margin-bottom:14px}
.tip-box{
 margin-top:8px;padding:18px 20px;border-radius:var(--radius);
 background:#fff8e8;border:1px solid #ffe3a8;
 font-size:14.6px;color:#7a4c00;line-height:1.85;
}
.weight-list{display:grid;gap:16px}
.weight-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:box-shadow .22s,border-color .22s;
}
.weight-item:hover{box-shadow:var(--shadow-md);border-color:#ffd98a}
.weight-top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:10px}
.weight-name{font-size:15.5px;font-weight:700;color:var(--ink)}
.weight-num{font-size:14px;font-weight:800;color:#8a5600;background:#fff4d9;border-radius:999px;padding:2px 12px}
.weight-bar{height:9px;background:#eef0f7;border-radius:999px;overflow:hidden}
.weight-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.weight-note{font-size:13.8px;color:var(--muted);margin-top:10px;line-height:1.8}
/* demo */
.demo-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.demo-img{
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
 border:1px solid rgba(26,31,61,.08);position:relative;
}
.demo-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.demo-img figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:16px 18px;font-size:13.4px;color:#e9edfa;
 background:linear-gradient(180deg,rgba(18,22,47,0),rgba(18,22,47,.9));
}
.steps{display:grid;gap:14px}
.step{
 display:grid;grid-template-columns:44px 1fr;gap:16px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#ffd98a}
.step-num{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:15px;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
}
.step h3{font-size:16px;color:var(--ink);margin-bottom:5px}
.step p{font-size:14.4px;color:var(--muted);line-height:1.85}
/* proof */
.proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quote-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .22s,box-shadow .22s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote-text{font-size:14.8px;color:#333a52;line-height:1.92;margin-bottom:16px}
.quote-text::before{content:"“";color:var(--gold);font-size:26px;font-weight:800;line-height:0;margin-right:2px}
.quote-meta{font-size:13.2px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}
.stat-row{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px;
}
.stat-item{
 background:linear-gradient(135deg,#1a1f3d,#252c58);
 border:1px solid rgba(255,255,255,.10);
 border-radius:var(--radius);padding:22px 20px;color:#fff;
}
.stat-num{font-size:26px;font-weight:800;color:var(--gold-2);letter-spacing:-.01em}
.stat-label{font-size:13.4px;color:#aeb6d2;margin-top:4px}
/* compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
 border-radius:var(--radius-lg);padding:28px 26px;
 border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);
}
.compare-col.good{border-color:#ffd98a;box-shadow:0 18px 42px rgba(255,180,0,.16)}
.compare-head{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);margin-bottom:18px}
.compare-head span{
 font-size:12px;font-weight:800;letter-spacing:.08em;
 padding:4px 11px;border-radius:999px;
}
.compare-col.bad .compare-head span{color:#6b7280;background:#eef0f7}
.compare-col.good .compare-head span{color:#7a4c00;background:#fff4d9}
.compare-list li{
 display:grid;grid-template-columns:18px 1fr;gap:11px;
 font-size:14.7px;line-height:1.85;color:#3a415a;padding:11px 0;
 border-bottom:1px dashed var(--line);
}
.compare-list li:last-child{border-bottom:0}
.compare-list li i{width:8px;height:8px;border-radius:50%;background:#c3c9da;margin-top:9px;display:block}
.compare-col.good .compare-list li i{background:var(--gold)}
/* stuck */
.stuck-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stuck-item{
 background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s,box-shadow .2s;
}
.stuck-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stuck-tag{display:inline-block;font-size:12.5px;font-weight:800;color:#8a5600;background:#fff4d9;border-radius:999px;padding:3px 12px;margin-bottom:10px}
.stuck-item h3{font-size:16px;color:var(--ink);margin-bottom:7px}
.stuck-item p{font-size:14.4px;color:var(--muted);line-height:1.86}
/* faq */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#ffd98a;box-shadow:var(--shadow-md)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:19px 24px;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;
 display:grid;place-items:center;font-size:18px;font-weight:700;
 color:#8a5600;background:#fff4d9;transition:transform .2s,background .2s;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#1a1f3d}
.faq-item p{padding:0 24px 20px;font-size:14.8px;color:var(--muted);line-height:1.92}
/* cta */
.cta-section{position:relative;overflow:hidden;background:#12162f;color:#fff;padding:78px 0}
.cta-section::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 opacity:.26;
}
.cta-section::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(18,22,47,.86),rgba(18,22,47,.96));
}
.cta-section .container{position:relative;z-index:2}
.cta-inner{max-width:860px}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;margin-bottom:14px}
.cta-inner p{font-size:15.6px;color:#c2c9e2;line-height:1.95;max-width:680px}
.assure-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:30px 0 32px}
.assure-item{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius);padding:18px 20px;
}
.assure-item strong{display:block;font-size:14.8px;color:#fff;margin-bottom:6px}
.assure-item span{font-size:13.4px;color:#a7afcc;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{background:#12162f;color:#aab2cf;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14.2px;line-height:1.9;color:#98a1c0;max-width:420px}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:700}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#aab2cf;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 font-size:13px;color:#7d86a6;
}
/* ---------- sticky cta ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(22,26,51,.97);
 border-top:1px solid rgba(255,180,0,.32);
 backdrop-filter:blur(12px);
 box-shadow:0 -12px 30px rgba(10,12,28,.28);
 padding:12px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-text{display:flex;align-items:center;gap:10px;font-size:14.4px;color:#dfe4f5;min-width:0}
.sticky-text .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold);flex-shrink:0}
.sticky-btn{
 padding:10px 24px;border-radius:999px;font-size:14px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 10px 22px rgba(255,180,0,.28);
 transition:transform .2s,box-shadow .2s;white-space:nowrap;flex-shrink:0;
}
.sticky-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,180,0,.4)}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .nav-links,.nav-search{display:none}
 .nav-toggle{display:flex}
 .hero-cat-grid{grid-template-columns:1fr;gap:34px}
 .split,.demo-grid{grid-template-columns:1fr;gap:32px}
 .cards-3,.proof-grid{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .nav-wrap{padding:0 18px;height:66px}
 .brand-text{font-size:15px}
 .hero-cat{padding:42px 0 34px}
 .section{padding:52px 0}
 .cards-3,.proof-grid,.compare-grid,.stuck-grid,.assure-grid,.stat-row{grid-template-columns:1fr}
 .status-bar{grid-template-columns:1fr 1fr;margin-top:30px}
 .status-item{padding:15px 16px}
 .status-item:nth-child(2){border-right:0}
 .status-item:nth-child(1),.status-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.10)}
 .status-num{font-size:19px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .sticky-text{font-size:13px;line-height:1.5}
 .sticky-text .dot{display:none}
 .sticky-btn{padding:9px 18px;font-size:13.4px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-item p{padding:0 18px 18px}
}
@media (max-width:520px){
 .hero-icons{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .cta-actions .btn{width:100%}
 .body-none{padding-bottom:0}
 .step{grid-template-columns:1fr;gap:10px}
 .step-num{width:38px;height:38px;border-radius:10px}
 body{padding-bottom:96px}
 .sticky-inner{gap:12px}
 .sticky-text{font-size:12.4px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2e3768;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --bg:#f6f7fb;
 --surface:#ffffff;
 --text:#1b2033;
 --muted:#6b7280;
 --line:#e6e8f0;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 26px 64px rgba(26,31,61,.18);
 --max: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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(26,31,61,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 background:linear-gradient(135deg,var(--gold),#ff8a00);
 display:grid;place-items:center;color:#1a1f3d;font-weight:800;font-size:18px;
 box-shadow:0 6px 18px rgba(255,180,0,.32);
}
.brand-text{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;
 padding:9px 15px;border-radius:10px;
 color:#c8cee6;font-size:15px;white-space:nowrap;
 transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 6px 18px rgba(255,180,0,.26);
}
.nav-link .caret{transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop-panel{
 position:absolute;top:calc(100% + 10px);left:0;min-width:226px;
 background:#fff;border:1px solid var(--line);border-radius:14px;
 box-shadow:var(--shadow-md);padding:10px;
 opacity:0;visibility:hidden;transform:translateY(-6px);
 transition:opacity .2s,transform .2s,visibility .2s;
}
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{
 display:block;padding:9px 13px;border-radius:9px;
 font-size:14px;color:#38405a;transition:background .18s,color .18s;
}
.drop-panel a:hover,.drop-panel a:focus{background:#fff6e0;color:#8a5600}
.drop-title{display:block;font-size:12px;letter-spacing:.12em;color:#9aa1b6;padding:6px 13px 4px;font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
 display:flex;align-items:center;gap:6px;
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.16);
 border-radius:999px;padding:4px 4px 4px 15px;
 transition:border-color .2s,background .2s;
}
.nav-search:focus-within{border-color:rgba(255,180,0,.7);background:rgba(255,255,255,.15)}
.nav-search input{
 background:transparent;border:0;color:#fff;font-size:14px;width:126px;outline:none;
}
.nav-search input::placeholder{color:#9aa3c2}
.nav-search button{
 width:31px;height:31px;border-radius:50%;border:0;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 color:#1a1f3d;display:grid;place-items:center;transition:transform .2s;cursor:pointer;
}
.nav-search button:hover{transform:scale(1.07)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:11px;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
 color:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;background:#161a33;border-top:1px solid rgba(255,255,255,.08);padding:14px 24px 26px}
.mobile-panel.is-open{display:block}
.mobile-panel a{
 display:block;padding:12px 4px;color:#cfd5ea;font-size:15px;
 border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a.is-active{color:var(--gold);font-weight:700}
.mobile-search{display:flex;gap:8px;margin-top:14px}
.mobile-search input{
 flex:1;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
 border-radius:10px;padding:10px 14px;color:#fff;font-size:14px;outline:none;
}
.mobile-search button{
 border:0;border-radius:10px;padding:0 20px;font-weight:700;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));cursor:pointer;
}

/* ---------- hero bento ---------- */
.hero{position:relative;overflow:hidden;background:#12162f;color:#fff;padding:64px 0 58px}
.hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 opacity:.34;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 18% 8%,rgba(255,180,0,.26),transparent 56%),
 radial-gradient(circle at 92% 88%,rgba(96,132,255,.26),transparent 58%),
 linear-gradient(180deg,rgba(18,22,47,.68) 0%,rgba(18,22,47,.96) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-bento{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:stretch}
.bento-main{
 background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:34px 34px 32px;
 box-shadow:var(--shadow-lg);
}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;letter-spacing:.10em;color:#ffe6ad;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.34);
 padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 10px var(--gold)}
.hero-title{
 font-size:clamp(26px,3.6vw,42px);
 line-height:1.26;font-weight:800;letter-spacing:-.02em;
 margin:0 0 16px;
 background:linear-gradient(120deg,#ffffff 0%,#ffffff 50%,#ffd166 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin:0;font-size:16px;line-height:1.9;color:#c3cae4;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.bento-side{display:grid;grid-template-rows:1fr 1fr;gap:18px}
.mini-card{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);
 padding:20px 22px;
 backdrop-filter:blur(6px);
 transition:border-color .2s,transform .2s;
}
.mini-card:hover{border-color:rgba(255,180,0,.5);transform:translateY(-3px)}
.mini-label{display:block;font-size:12.5px;letter-spacing:.14em;color:#9aa3c2;margin-bottom:6px}
.mini-card strong{
 display:block;font-size:30px;font-weight:800;line-height:1.2;
 background:linear-gradient(120deg,#ffd166,#ffb400);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.mini-card p{margin:6px 0 0;font-size:13.5px;color:#aab2cf;line-height:1.7}
.hero-cta-bar{
 margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:16px;
 background:linear-gradient(120deg,rgba(255,180,0,.16),rgba(255,180,0,.05));
 border:1px solid rgba(255,180,0,.32);
 border-radius:14px;padding:16px 22px;flex-wrap:wrap;
}
.hero-cta-bar span{font-size:15px;color:#ffe6ad}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}
.btn-gold{
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.30);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.42)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:9px 20px;font-size:14px}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:linear-gradient(160deg,#1a1f3d,#232a52);color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
 color:#8a5600;background:#fff3d6;border:1px solid #ffe2a3;
 padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.section--dark .eyebrow{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.36);color:#ffd166}
.section-title{font-size:clamp(22px,2.6vw,31px);font-weight:800;letter-spacing:-.01em;margin:0 0 12px;line-height:1.35}
.section--dark .section-title{color:#fff}
.section-sub{color:var(--muted);font-size:15.5px;margin:0;line-height:1.85}
.section--dark .section-sub{color:#b7c0dc}

/* ---------- grid & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d9dcea}
.card h3{font-size:18px;font-weight:800;margin:0 0 10px;line-height:1.45}
.card p{color:var(--muted);font-size:14.6px;line-height:1.85;margin:0}
.card-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:11px;margin-bottom:16px;
 background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,180,0,.08));
 border:1px solid rgba(255,180,0,.42);color:#8a5600;font-weight:800;font-size:15px;
}
.tag{
 display:inline-block;font-size:12.5px;font-weight:700;
 padding:4px 12px;border-radius:999px;
 background:#eef1fa;color:#3d4570;border:1px solid #dfe4f3;
}
.tag-gold{background:#fff5df;color:#8a5600;border-color:#ffe2a3}

/* ---------- path timeline ---------- */
.path-list{display:grid;gap:16px}
.path-item{
 display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 26px;box-shadow:var(--shadow-sm);
 transition:transform .2s,box-shadow .2s;
}
.path-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
.path-score{
 font-size:24px;font-weight:800;line-height:1.1;
 background:linear-gradient(120deg,#1a1f3d,#2e3768);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.path-score small{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-top:6px;letter-spacing:.06em}
.path-body h3{font-size:17.5px;font-weight:800;margin:0 0 8px}
.path-body p{margin:0;color:var(--muted);font-size:14.6px;line-height:1.85}

/* ---------- stage table ---------- */
.stage-table{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.stage-row{
 display:grid;grid-template-columns:1.1fr .9fr 1.2fr 1fr;
 gap:14px;padding:16px 24px;align-items:center;
 border-bottom:1px solid var(--line);font-size:14.6px;
 transition:background .2s;
}
.stage-row:last-child{border-bottom:0}
.stage-row:hover{background:#fbfcff}
.stage-row.head{
 background:#f2f4fb;font-size:13px;letter-spacing:.08em;
 color:#5a6180;font-weight:700;text-transform:uppercase;
}
.stage-row .sc{font-weight:800;color:var(--ink)}
.stage-row .em{color:#8a5600;font-weight:700}
.stage-note{
 margin-top:16px;font-size:13.8px;color:var(--muted);
 background:#fff9ea;border:1px solid #ffe7b3;border-radius:10px;padding:12px 18px;
}

/* ---------- compare ---------- */
.compare-card{border-radius:var(--radius);padding:26px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm)}
.compare-card.bad{border-color:#f3d2d2;background:#fffafa}
.compare-card.good{border-color:#ffe2a3;background:#fffdf7}
.compare-card h3{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:800;margin:0 0 16px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.dot-red{background:#e05d5d;box-shadow:0 0 0 4px rgba(224,93,93,.14)}
.dot-gold{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.compare-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.compare-list li{
 position:relative;padding-left:22px;font-size:14.6px;color:#3b425c;line-height:1.8;
}
.compare-list li::before{
 content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
 background:#d5d9e8;
}
.compare-card.good .compare-list li::before{background:linear-gradient(135deg,var(--gold),#ff8a00)}

/* ---------- feature media ---------- */
.feature-split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.feature-media{
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);
 border:1px solid var(--line);position:relative;
}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.feature-media figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:34px 20px 16px;color:#fff;font-size:13.5px;
 background:linear-gradient(180deg,transparent,rgba(18,22,47,.86));
}
.feature-text h2{margin-top:0}

/* ---------- mechanism list ---------- */
.mech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mech-item{
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px;
 transition:transform .2s,border-color .2s,background .2s;
}
.mech-item:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5);background:rgba(255,255,255,.08)}
.mech-item h3{font-size:16.5px;font-weight:800;margin:0 0 8px;color:#ffd166}
.mech-item p{font-size:14px;color:#b7c0dc;line-height:1.8;margin:0}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .22s,border-color .22s;
 overflow:hidden;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d9dcea}
.news-card a{display:block;padding:22px;height:100%}
.news-card h3{
 font-size:16px;font-weight:800;line-height:1.5;margin:0 0 10px;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
 font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 14px;
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#98a0b8;flex-wrap:wrap}
.news-meta .tag{font-size:11.5px;padding:3px 10px}
.news-empty{
 background:var(--surface);border:1px dashed #cfd5e8;border-radius:var(--radius);
 padding:34px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:6px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#ffe2a3;box-shadow:var(--shadow-md)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 0;font-weight:800;font-size:16px;
 display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;font-size:20px;line-height:1;color:#b0b7cf;font-weight:600;
 transition:transform .2s,color .2s;
}
.faq-item[open] summary::after{content:"–";color:var(--gold)}
.faq-item .faq-body{padding:0 0 18px;color:var(--muted);font-size:14.8px;line-height:1.9}

/* ---------- cta strip ---------- */
.cta-strip{
 background:linear-gradient(125deg,#1a1f3d 0%,#232a52 55%,#2e3768 100%);
 color:#fff;border-radius:var(--radius-lg);
 padding:44px;display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;
 box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-strip::after{
 content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
}
.cta-strip h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;margin:0 0 10px;line-height:1.4;position:relative;z-index:2}
.cta-strip p{margin:0;color:#b7c0dc;font-size:15px;max-width:600px;position:relative;z-index:2}
.cta-strip .btn{position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:#141833;color:#aeb6d2;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.9;color:#9aa3c2;margin:0;max-width:420px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:#fff;margin:0 0 14px;font-weight:800}
.footer-col a{display:block;font-size:14px;color:#9aa3c2;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
 font-size:13px;color:#7f88a8;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-bento{grid-template-columns:1fr}
 .bento-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .mech-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .feature-split{grid-template-columns:1fr;gap:26px}
 .cta-strip{grid-template-columns:1fr;padding:34px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .nav-search input{width:96px}
}
@media (max-width:860px){
 .nav-links,.nav-tools{display:none}
 .nav-toggle{display:flex;margin-left:auto}
 .nav-wrap{height:66px}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:54px 0}
 .hero{padding:46px 0 44px}
 .bento-main{padding:26px 22px}
 .bento-side{grid-template-columns:1fr}
 .grid-3,.grid-2,.mech-grid,.news-grid{grid-template-columns:1fr}
 .path-item{grid-template-columns:1fr;gap:10px}
 .stage-row{grid-template-columns:1fr 1fr;font-size:14px;padding:14px 18px;gap:8px}
 .stage-row.head{display:none}
 .stage-row .sc::before{content:"分数段 ";font-weight:600;color:#98a0b8}
 .cta-strip{padding:28px 22px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .hero-cta-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .brand-text{font-size:15px}
 .hero-title{font-size:25px}
 .hero-lead{font-size:15px}
 .hero-actions .btn{width:100%}
 .btn{padding:12px 20px;font-size:14.5px}
 .card,.compare-card{padding:20px}
 .faq-item{padding:4px 18px}
 .faq-item summary{font-size:15px;padding:15px 0}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category3 */
:root{
  --ink:#1a1f3d;
  --ink-2:#232a52;
  --ink-3:#2e3768;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --bg:#f6f7fb;
  --surface:#ffffff;
  --text:#1b2033;
  --muted:#6b7280;
  --line:#e6e8f0;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 12px 32px rgba(26,31,61,.10);
  --shadow-lg:0 26px 64px rgba(26,31,61,.18);
  --max: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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(26,31,61,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold),#ff8a00);
  display:grid;place-items:center;color:#1a1f3d;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(255,180,0,.32);
}
.brand-text{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:10px;
  color:#c8cee6;font-size:15px;white-space:nowrap;
  transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.is-active{
  color:#1a1f3d;font-weight:700;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 6px 18px rgba(255,180,0,.26);
}
.nav-link .caret{transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop-panel{
  position:absolute;top:calc(100% + 10px);left:0;min-width:236px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-md);padding:8px;z-index:90;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s,transform .2s,visibility .2s;
}
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{
  display:block;padding:9px 13px;border-radius:9px;
  font-size:14px;color:#38405a;transition:background .18s,color .18s;
}
.drop-panel a:hover{background:#fff6e0;color:#8a5600}
.drop-title{display:block;font-size:12px;letter-spacing:.12em;color:#9aa1b6;padding:6px 13px 4px;font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:#fff;align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s;
}
.nav-toggle:hover{background:rgba(255,255,255,.2)}
.nav-toggle.is-open{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#1a1f3d}
.mobile-panel{display:none;background:#161a33;border-top:1px solid rgba(255,255,255,.08);padding:14px 24px 26px}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;color:#cfd5ea;font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.is-active{color:var(--gold);font-weight:700}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#12162f;color:#fff;padding:72px 0 80px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 16% 8%,rgba(255,180,0,.24),transparent 56%),
             linear-gradient(180deg,rgba(18,22,47,.76) 0%,rgba(18,22,47,.96) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;color:#ffe6ad;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.34);
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 10px var(--gold)}
.hero-title{
  font-size:clamp(26px,3.5vw,42px);
  line-height:1.28;font-weight:800;letter-spacing:-.02em;margin-bottom:18px;
  background:linear-gradient(120deg,#ffffff 0%,#ffffff 56%,#ffd166 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16px;line-height:1.9;color:#c3cae4;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#aeb6d4}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 auto}

/* console panel */
.console-panel{
  background:rgba(13,17,36,.84);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;overflow:hidden;
  box-shadow:0 26px 60px rgba(0,0,0,.42);
  backdrop-filter:blur(10px);
}
.console-head{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.04)}
.console-head .dot{width:9px;height:9px;border-radius:50%;background:#3a4265;flex:0 0 auto}
.console-head .dot:nth-child(1){background:#ff6b6b}
.console-head .dot:nth-child(2){background:#ffb400}
.console-head .dot:nth-child(3){background:#3ddc97}
.console-title{margin-left:auto;font-size:12px;letter-spacing:.10em;color:#8f97b8;font-weight:600}
.console-body{padding:10px 18px 16px}
.console-row{
  display:flex;justify-content:space-between;gap:16px;padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.09);
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:13px;line-height:1.6;
}
.console-row:last-child{border-bottom:0}
.console-key{color:#8f97b8;flex:0 0 auto}
.console-val{color:#ffd166;text-align:right}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn-gold{background:linear-gradient(135deg,var(--gold),#ff8a00);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,180,0,.44)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.17);transform:translateY(-2px)}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:rgba(255,180,0,.6);color:#8a5600;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn:active{transform:translateY(0)}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:26px 20px;text-align:center;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0}
.stat-num{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2}
.stat-num em{font-style:normal;font-size:15px;font-weight:700;color:#c98a00;margin-left:3px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-alt{background:#ffffff}
.section-dark{background:linear-gradient(160deg,#161b38 0%,#1f2650 100%);color:#fff}
.section-head{max-width:740px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:#a87200;background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.32);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#ffd166;background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.28)}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.34;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.section-dark .section-title{color:#fff}
.section-sub{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9}
.section-dark .section-sub{color:#b9c0dc}

/* ---------- cards ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,138,0,.10));
  color:#a87200;border:1px solid rgba(255,180,0,.30);
}
.card-title{font-size:18px;font-weight:800;color:var(--ink);line-height:1.5}
.card-text{font-size:14.8px;color:var(--muted);line-height:1.85}
.tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#8a5600;background:rgba(255,180,0,.16);
  border:1px solid rgba(255,180,0,.30);
  padding:3px 10px;border-radius:999px;
}

/* ---------- demo ---------- */
.demo-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.demo-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);margin:0}
.demo-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.demo-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:44px 22px 18px;
  font-size:13.5px;color:#fff;
  background:linear-gradient(180deg,rgba(18,22,47,0) 0%,rgba(18,22,47,.9) 100%);
}
.steps{display:grid;gap:16px}
.step{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  padding:18px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:border-color .25s,box-shadow .25s,transform .25s;
}
.step:hover{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-md);transform:translateX(3px)}
.step-num{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#1a1f3d;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
}
.step-title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px}
.step-text{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:16px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.4)}
.quote-card::before{
  content:"”";position:absolute;top:2px;right:22px;
  font-size:56px;line-height:1;color:rgba(255,180,0,.25);font-family:Georgia,serif;
}
.quote-text{font-size:14.8px;color:#333a52;line-height:1.9}
.quote-meta{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:14px}
.avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#1a1f3d;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));flex:0 0 auto;
}
.quote-name{font-size:13.5px;font-weight:700;color:var(--ink);line-height:1.4}
.quote-role{font-size:12.5px;color:var(--muted);line-height:1.4}

/* ---------- compare ---------- */
.compare{display:grid;gap:12px;margin-top:8px}
.compare-head{
  display:grid;grid-template-columns:190px 1fr 1fr;gap:18px;
  padding:0 22px;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:#8f97b8;
}
.compare-row{
  display:grid;grid-template-columns:190px 1fr 1fr;gap:18px;align-items:center;
  padding:18px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  transition:background .2s,border-color .2s,transform .2s;
}
.compare-row:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.42);transform:translateX(3px)}
.compare-label{font-size:14.5px;font-weight:700;color:#ffd166}
.compare-cell{font-size:14.5px;color:#c2c9e3;line-height:1.7}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:18px}
.timeline::before{
  content:"";position:absolute;left:15px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(255,180,0,.65),rgba(255,180,0,.08));
}
.tl-item{position:relative;padding-left:54px}
.tl-dot{
  position:absolute;left:5px;top:22px;width:22px;height:22px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 5px rgba(255,180,0,.14);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.tl-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.42)}
.tl-time{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:#a87200;margin-bottom:6px}
.tl-title{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.tl-text{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- 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 .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 22px;font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:#d18f00;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:#8a5600}
.faq-answer{padding:0 22px 22px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:52px 44px;color:#fff;
  background:linear-gradient(135deg,#1a1f3d 0%,#2e3768 100%);
  box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-title{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.45;margin-bottom:10px}
.cta-text{font-size:15px;color:#c3cae4;line-height:1.9;max-width:620px}

/* ---------- footer ---------- */
.site-footer{background:#12162f;color:#c3cae4;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:17px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#98a1c3;max-width:390px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em;font-weight:700}
.footer-col a{display:block;font-size:14px;color:#98a1c3;padding:6px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:#7d86a8;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cards-3,.quote-grid{grid-template-columns:1fr 1fr}
  .demo-grid{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .stat-item:nth-child(4){border-top:1px solid var(--line)}
  .compare-head,.compare-row{grid-template-columns:150px 1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:58px 0}
  .hero{padding:56px 0 62px}
  .section-head{margin-bottom:32px}
}
@media (max-width:768px){
  .cards-3,.quote-grid{grid-template-columns:1fr}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:18px}
  .compare-cell{display:flex;gap:10px;font-size:14px}
  .compare-cell::before{
    content:attr(data-label);flex:0 0 66px;
    font-size:12.5px;font-weight:700;color:#8f97b8;
  }
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-wrap{padding:0 18px;height:66px}
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .mobile-panel{padding:14px 18px 24px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-points{gap:8px 16px}
  .stat-item{padding:18px 12px}
  .stat-num{font-size:25px}
  .section{padding:48px 0}
  .cta-band{padding:34px 22px}
  .step{grid-template-columns:38px 1fr;gap:12px;padding:16px}
  .step-num{width:36px;height:36px;border-radius:10px;font-size:13px}
  .tl-item{padding-left:46px}
  .tl-card{padding:16px 18px}
  .faq-item summary{padding:16px 50px 16px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px;font-size:14.2px}
  .footer-bottom{font-size:12px;flex-direction:column;gap:6px}
}