/* roulang page: index */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-alt2:#081019;
  --card:#0F1A2B;
  --brand:#1FE0C0;
  --accent:#FF6A2B;
  --accent-2:#FF8F4D;
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --border:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.06);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;
  --r-hero:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sp-section:96px;
  --container:1200px;
}
*,*::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","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 78% -12%, rgba(31,224,192,.08), transparent 66%),
    linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px) 0 0/64px 64px;
}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.sec{padding:var(--sp-section) 0;position:relative;z-index:1;}
.sec-alt{background:var(--bg-alt);}
.sec-alt2{background:var(--bg-alt2);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head .lead{color:var(--text-2);font-size:15px;margin-top:14px;max-width:640px;}
.sec-title{position:relative;padding-left:18px;font-size:clamp(22px,2.8vw,34px);line-height:1.3;letter-spacing:-.3px;}
.sec-title::before{content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:4px;border-radius:2px;background:var(--brand);}
.sec-link{font-size:14px;color:var(--brand);border-bottom:1px solid transparent;transition:border-color .2s ease;}
.sec-link:hover{border-bottom-color:var(--brand);}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:1040;}
.nav-shell{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:background .22s ease,box-shadow .22s ease;
}
.site-header.scrolled .nav-shell{background:rgba(6,11,20,.9);box-shadow:0 10px 30px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .22s ease;}
.site-header.scrolled .nav-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;position:relative;
  background:linear-gradient(135deg,rgba(31,224,192,.22),rgba(31,224,192,.04));
  border:1px solid rgba(31,224,192,.5);
  box-shadow:0 0 18px rgba(31,224,192,.22);
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:linear-gradient(135deg,var(--brand),rgba(31,224,192,.25));
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--text);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-menu a{
  font-size:14px;color:var(--text-2);padding:8px 13px;border-radius:var(--r-pill);
  white-space:nowrap;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-menu a.active{color:var(--brand);background:rgba(31,224,192,.1);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--brand);
  border:1px solid rgba(31,224,192,.4);background:rgba(31,224,192,.1);
  border-radius:var(--r-pill);padding:5px 13px;letter-spacing:.5px;white-space:nowrap;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(31,224,192,.18);animation:blink 1.8s infinite;}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.nav-count{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;letter-spacing:.5px;white-space:nowrap;}
.nav-count b{color:var(--accent);font-weight:700;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;border:none;border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 8px 24px rgba(255,106,43,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,106,43,.42);filter:brightness(1.06);color:#fff;}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 18px rgba(255,106,43,.3);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid var(--brand);color:var(--brand);
  border-radius:var(--r-btn);padding:11px 24px;font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(31,224,192,.12);color:var(--brand);box-shadow:0 0 0 1px rgba(31,224,192,.35),0 8px 22px rgba(31,224,192,.14);}
.btn-sm{padding:9px 18px;font-size:14px;}
.burger{
  display:none;width:42px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:rgba(255,255,255,.05);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.burger span{display:block;width:17px;height:2px;background:var(--text);border-radius:2px;}

.offcanvas.offcanvas-end.menu-drawer{
  background:linear-gradient(180deg,#0A1220,#060B14);
  border-left:1px solid var(--border);width:320px;color:var(--text);
}
.menu-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.menu-drawer .offcanvas-title{font-size:16px;font-weight:800;}
.menu-drawer .offcanvas-body{padding:18px 22px 32px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);background:rgba(31,224,192,.09);border-color:rgba(31,224,192,.28);}
.btn-close-custom{background:none;border:none;color:var(--text-2);font-size:22px;line-height:1;cursor:pointer;}

/* ============ Hero ============ */
.hero{position:relative;padding:0;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{content:"";position:absolute;inset:0;background:rgba(6,11,20,.72);}
.hero-bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(6,11,20,.94) 0%,rgba(6,11,20,.66) 52%,rgba(6,11,20,.78) 100%);
}
.hero-inner{position:relative;z-index:2;padding:104px 0 92px;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1px;
  color:var(--brand);border:1px solid rgba(31,224,192,.4);background:rgba(31,224,192,.1);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px;
}
.hero h1{font-size:clamp(28px,4.2vw,52px);line-height:1.2;letter-spacing:-.5px;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:16px;color:var(--text-2);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.glass-card{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 18px 44px rgba(0,0,0,.5);
  border-radius:var(--r-hero);
  padding:26px;
}
.glass-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.glass-head .t{font-size:14px;color:var(--text-2);letter-spacing:.5px;}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px;}
.metric{border-left:2px solid rgba(31,224,192,.4);padding-left:12px;}
.metric .v{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.4px;line-height:1.2;}
.metric .k{font-size:12.5px;color:var(--text-3);margin-top:6px;letter-spacing:.5px;}
.countdown-box{
  border-top:1px solid var(--line);padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.countdown-box .label{font-size:13px;color:var(--text-2);}
.countdown{font-size:24px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:1px;line-height:1.2;}

/* ============ Trust bar ============ */
.trust-bar{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  border-radius:var(--r-card);
  padding:26px 10px;
  display:grid;grid-template-columns:repeat(5,1fr);
}
.trust-item{padding:0 22px;border-right:1px solid var(--line);text-align:left;}
.trust-item:last-child{border-right:none;}
.trust-item .v{font-size:clamp(19px,2vw,24px);font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.3px;line-height:1.25;}
.trust-item .k{font-size:12.5px;color:var(--text-2);margin-top:6px;letter-spacing:.4px;}

/* ============ Split blocks ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{position:relative;border-radius:var(--r-hero);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-card);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split-media .cap{
  position:absolute;left:16px;bottom:16px;font-size:12.5px;color:var(--text-2);letter-spacing:.5px;
  background:rgba(6,11,20,.7);border:1px solid var(--border);border-radius:var(--r-pill);padding:6px 14px;
}
.body-text{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-top:18px;}
.num-list{margin-top:30px;display:flex;flex-direction:column;gap:18px;}
.num-item{display:flex;gap:16px;align-items:flex-start;}
.num-item .n{font-size:15px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:1px;flex:0 0 34px;padding-top:3px;}
.num-item .c h3{font-size:17px;margin-bottom:6px;}
.num-item .c p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ Cards ============ */
.card-dark{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;height:100%;
}
.card-dark:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.3);box-shadow:0 18px 40px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.08);}
.card-thumb{position:relative;overflow:hidden;}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);transition:transform .35s ease;}
.card-dark:hover .card-thumb img{transform:scale(1.03);}
.card-body-inner{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body-inner h3{font-size:19px;line-height:1.45;margin:12px 0 10px;}
.card-body-inner p{font-size:14.5px;color:var(--text-2);line-height:1.8;flex:1;}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.5px;color:var(--brand);
  border:1px solid rgba(31,224,192,.38);background:rgba(31,224,192,.12);
  border-radius:var(--r-pill);padding:3px 12px;white-space:nowrap;
}
.tag-orange{color:var(--accent);border-color:rgba(255,106,43,.4);background:rgba(255,106,43,.12);}
.meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.arrow{color:var(--brand);transition:transform .2s ease;}
.card-dark:hover .arrow{transform:translateX(4px);}

.card-wide{flex-direction:row;}
.card-wide .card-thumb{flex:0 0 46%;}
.card-wide .card-thumb img{height:100%;aspect-ratio:auto;min-height:280px;}
.card-wide .card-body-inner{padding:30px 32px;}
.card-wide .card-body-inner h3{font-size:23px;}

/* ============ Capability list ============ */
.cap-list{display:flex;flex-direction:column;gap:14px;}
.cap-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 22px;display:flex;gap:16px;align-items:flex-start;
  box-shadow:var(--sh-card);transition:transform .22s ease,border-color .22s ease;
}
.cap-item:hover{transform:translateX(4px);border-color:rgba(31,224,192,.3);}
.cap-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(31,224,192,.45);background:rgba(31,224,192,.1);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.cap-item h3{font-size:17px;margin-bottom:6px;}
.cap-item p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ CMS info cards ============ */
.info-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:transform .22s ease,border-color .22s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.4);}
.info-card h3{font-size:18px;line-height:1.5;margin:14px 0 10px;color:var(--text);}
.info-card p{
  font-size:14.5px;color:var(--text-2);line-height:1.8;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  text-align:center;padding:60px 24px;border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r-card);background:rgba(255,255,255,.02);
}
.empty-state .ico{
  width:54px;height:54px;margin:0 auto 18px;border-radius:16px;
  border:1px solid rgba(31,224,192,.4);background:rgba(31,224,192,.08);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:22px;font-weight:800;
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ============ FAQ ============ */
.accordion-item{
  background:var(--card) !important;border:1px solid var(--border) !important;
  border-radius:var(--r-card) !important;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent !important;color:var(--text) !important;
  font-size:16px;font-weight:700;padding:20px 22px;box-shadow:none !important;
  border-radius:var(--r-card) !important;
}
.accordion-button:not(.collapsed){color:var(--brand) !important;background:rgba(31,224,192,.06) !important;}
.accordion-button::after{
  content:"";width:16px;height:16px;flex:0 0 16px;margin-left:auto;
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-position:center,center;background-repeat:no-repeat;
  background-size:16px 2px,2px 16px;
  transition:background-size .2s ease;
}
.accordion-button:not(.collapsed)::after{background-size:16px 2px,0 16px;}
.accordion-body{padding:4px 22px 22px;font-size:15px;color:var(--text-2);line-height:1.9;background:rgba(255,255,255,.015);}

/* ============ Form ============ */
.form-label{font-size:13.5px;color:var(--text-2);margin-bottom:8px;letter-spacing:.4px;}
.form-control,.form-select{
  background:#0A1220;border:1px solid var(--border);color:var(--text);
  border-radius:var(--r-input);padding:13px 16px;font-size:15px;box-shadow:none;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus,.form-select:focus{
  background:#0A1220;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,224,192,.14);color:var(--text);
}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.cta-panel{
  background:linear-gradient(135deg,rgba(31,224,192,.07),rgba(255,106,43,.05)),#0A1220;
  border:1px solid var(--border);border-radius:var(--r-hero);
  padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  box-shadow:var(--sh-card);
}

/* ============ Footer ============ */
.site-footer{background:#04080F;border-top:1px solid var(--line);padding:72px 0 0;position:relative;z-index:1;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:52px;}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.4px;}
.foot-text{font-size:14px;color:var(--text-2);line-height:1.9;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--brand);}
.foot-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand);}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .hero-inner{grid-template-columns:8fr 4fr;gap:36px;padding:88px 0 76px;}
  .nav-count{display:none;}
}
@media (max-width:991.98px){
  :root{--sp-section:64px;}
  .nav-menu{display:none;}
  .burger{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:72px 0 64px;}
  .hero-sub{max-width:100%;}
  .trust-bar{grid-template-columns:repeat(2,1fr);gap:22px 0;padding:24px 6px;}
  .trust-item{border-right:none;border-left:1px solid var(--line);}
  .trust-item:nth-child(odd){border-left:none;}
  .split{grid-template-columns:1fr;gap:34px;}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px;}
  .card-wide{flex-direction:column;}
  .card-wide .card-thumb{flex:none;}
  .card-wide .card-thumb img{aspect-ratio:16/9;min-height:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .hero-inner{padding:56px 0 52px;}
  .hero h1{font-size:clamp(28px,7.4vw,36px);}
  .metric-grid{gap:10px;}
  .card-wide .card-body-inner{padding:22px 20px 24px;}
  .card-wide .card-body-inner h3{font-size:20px;}
  .cta-panel{padding:26px 20px;}
}
@media (max-width:575.98px){
  :root{--sp-section:48px;}
  body::before{background:radial-gradient(600px 380px at 80% -10%, rgba(31,224,192,.08), transparent 65%);}
  .status-chip{display:none;}
  .trust-bar{grid-template-columns:1fr;gap:20px;}
  .trust-item{border-left:none;padding:0 12px;}
  .metric-grid{grid-template-columns:repeat(3,minmax(84px,1fr));overflow-x:auto;padding-bottom:4px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .sec-head{margin-bottom:24px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-deep:#081019;
  --card:#0F1A2B;
  --brand:#1FE0C0;
  --brand-deep:#0FA88F;
  --accent:#FF6A2B;
  --accent-soft:#FF8F4D;
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;
  --r-hero:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-btn:0 8px 24px rgba(255,106,43,.28);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
  --fz-h1:clamp(28px,4.2vw,52px);
  --fz-h2:clamp(22px,2.8vw,34px);
  --fz-h3:19px;
  --fz-body:16px;
  --fz-sm:13px;
  --wrap:1200px;
  --read:780px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:var(--fz-body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 340px at 50% -100px, rgba(31,224,192,.08), transparent 70%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.016) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.016) 0 1px, transparent 1px 64px);
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
p{margin:0 0 1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:var(--sp-7) 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-deep{background:var(--bg-deep);border-top:1px solid var(--line-soft);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-4);flex-wrap:wrap;}
.sec-title{font-size:var(--fz-h2);font-weight:800;line-height:1.3;margin:0;padding-top:12px;position:relative;letter-spacing:-.3px;}
.sec-title::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;border-radius:2px;background:var(--brand);}
.sec-sub{color:var(--text-2);font-size:15px;margin:10px 0 0;max-width:640px;}
.text-link{font-size:14px;color:var(--brand);border-bottom:1px solid transparent;padding-bottom:2px;}
.text-link:hover{border-bottom-color:var(--brand);}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.5px;color:var(--brand);background:rgba(31,224,192,.12);border:1px solid rgba(31,224,192,.35);}
.tag-accent{color:var(--accent);background:rgba(255,106,43,.12);border-color:rgba(255,106,43,.35);}

/* 头部与导航 */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:900;
  height:72px;
  background:rgba(6,11,20,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-soft);
  transition:height .2s ease,background .2s ease;
}
.site-header.is-scrolled{height:60px;background:rgba(6,11,20,.94);}
.header-inner{height:100%;display:flex;align-items:center;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--text);letter-spacing:.5px;white-space:nowrap;}
.logo:hover{color:var(--text);}
.logo-mark{width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));box-shadow:0 0 0 1px rgba(31,224,192,.4),0 6px 18px rgba(31,224,192,.22);position:relative;flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;left:8px;top:7px;width:11px;height:12px;background:#060B14;clip-path:polygon(0 0,100% 50%,0 100%);}
.logo-text em{font-style:normal;color:var(--brand);}
.nav-menu{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;}
.nav-menu a{
  display:inline-block;
  padding:8px 12px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--brand);background:rgba(31,224,192,.1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--text-2);
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  white-space:nowrap;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(46,212,122,.16);animation:pulse 1.8s infinite ease-in-out;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.countdown{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.5px;white-space:nowrap;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--accent),var(--accent-soft));
  color:#140805;font-weight:700;font-size:15px;line-height:1;
  box-shadow:var(--shadow-btn);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  cursor:pointer;
}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 30px rgba(255,106,43,.4);color:#140805;}
.btn-main:active{transform:translateY(0);filter:brightness(.98);}
.btn-main.btn-sm{padding:9px 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);
  border:1px solid var(--brand);background:transparent;color:var(--brand);
  font-weight:600;font-size:15px;line-height:1;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
  cursor:pointer;
}
.btn-ghost:hover{background:rgba(31,224,192,.12);box-shadow:0 0 0 1px rgba(31,224,192,.25),0 8px 22px rgba(31,224,192,.14);transform:translateY(-2px);color:var(--brand);}
.btn-ghost.btn-sm{padding:8px 15px;font-size:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);
  font-size:16px;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.66);z-index:940;opacity:0;pointer-events:none;transition:opacity .2s ease;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:960;
  background:#0A1220;border-left:1px solid var(--line);
  padding:22px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .22s ease;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-2);cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:11px 12px;border-radius:10px;color:var(--text-2);font-size:15px;}
.drawer-links a:hover,.drawer-links a.active{background:rgba(31,224,192,.1);color:var(--brand);}

/* 面包屑与文章头 */
.article-hero{
  position:relative;
  padding:48px 0 44px;
  background:
    linear-gradient(180deg,rgba(6,11,20,.78) 0%,rgba(6,11,20,.94) 60%,rgba(6,11,20,1) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line-soft);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:26px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--brand);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head .tag{margin-bottom:14px;}
.article-head h1{
  font-size:var(--fz-h1);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.5px;
  margin:0 0 20px;
  max-width:960px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;color:var(--text-2);font-size:13.5px;}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:12px;}
.article-meta .author{color:var(--text);font-weight:600;}

/* 图文主体 */
.article-main{padding:56px 0 72px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-body-wrap{min-width:0;}
.cover-figure{margin:0 0 34px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body{max-width:var(--read);line-height:1.9;color:#D9E5F0;font-size:16.5px;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.4;
  color:var(--text);
  margin:44px 0 16px;
  padding-left:16px;
  position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--brand);}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:var(--fz-h3);font-weight:700;color:var(--text);margin:30px 0 12px;}
.article-body p{margin:0 0 1.2em;color:#D9E5F0;}
.article-body strong{color:var(--text);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,224,192,.4);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:22px;}
.article-body ul{list-style:none;padding-left:18px;}
.article-body ul li{position:relative;padding-left:14px;margin-bottom:8px;}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.article-body ol li{margin-bottom:8px;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  background:rgba(31,224,192,.07);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;border-radius:12px;border:1px solid var(--line);margin:24px 0 8px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;min-width:520px;}
.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;}
.article-body th{background:#0B1524;color:var(--text);font-weight:700;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-soft);color:var(--text-2);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* 侧栏 */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-card);
  padding:20px;
}
.side-card.glass{
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 12px 32px rgba(0,0,0,.4);
}
.side-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--brand);font-size:12px;}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto;}
.toc-list a{display:block;font-size:14px;color:var(--text-2);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;line-height:1.5;}
.toc-list a:hover,.toc-list a.on{color:var(--brand);background:rgba(31,224,192,.08);border-left-color:var(--brand);}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.side-list a{display:block;font-size:14.5px;color:var(--text-2);line-height:1.6;}
.side-list a:hover{color:var(--brand);}
.side-list .date{display:block;font-size:12px;color:var(--text-3);margin-top:4px;font-variant-numeric:tabular-nums;}
.side-cta p{font-size:14px;color:var(--text-2);margin:0 0 14px;}
.side-cta .btn-main{width:100%;}

/* 文章尾部 */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:44px 0 0;max-width:var(--read);}
.post-nav a{
  display:block;padding:18px 20px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--card);color:var(--text);
  transition:border-color .2s ease,transform .2s ease;
}
.post-nav a:hover{border-color:rgba(31,224,192,.4);transform:translateY(-2px);color:var(--text);}
.post-nav .k{font-size:12px;color:var(--text-3);letter-spacing:.5px;display:block;margin-bottom:6px;}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 0;max-width:var(--read);}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:24px;}
.rel-card{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.3);}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);}
.rel-card .body{padding:20px;}
.rel-card h3{font-size:18px;font-weight:700;color:var(--text);margin:10px 0 8px;line-height:1.45;}
.rel-card p{font-size:14.5px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-row{display:flex;flex-direction:column;border-top:1px solid var(--line-soft);}
.rel-row a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line-soft);color:var(--text);}
.rel-row a:hover{color:var(--brand);}
.rel-row .name{font-size:15.5px;line-height:1.5;}
.rel-row .date{font-size:13px;color:var(--text-3);white-space:nowrap;font-variant-numeric:tabular-nums;}

/* 订阅 CTA */
.cta-band{
  border-radius:var(--r-hero);
  border:1px solid var(--line);
  background:linear-gradient(120deg,#0C1728 0%,#0F1E32 60%,#122239 100%);
  padding:40px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;margin:0 0 12px;line-height:1.35;}
.cta-band p{color:var(--text-2);margin:0;font-size:15px;}
.cta-form{display:flex;gap:12px;}
.form-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;}
.form-control{
  width:100%;background:#0B1524;border:1px solid var(--line);color:var(--text);
  border-radius:var(--r-btn);padding:12px 14px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{background:#0B1524;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,224,192,.15);color:var(--text);outline:none;}
.form-hint{font-size:12px;color:var(--text-3);margin:10px 0 0;}

/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 26px;position:relative;z-index:1;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:32px;padding-bottom:36px;border-bottom:1px solid var(--line-soft);}
.foot-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.5px;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--brand);}
.foot-text{font-size:13.5px;color:var(--text-3);margin:0;line-height:1.8;}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;font-size:13px;color:var(--text-3);}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand);}

@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;order:2;}
  .article-body{max-width:100%;}
  .post-nav{max-width:100%;}
  .article-tags{max-width:100%;}
}
@media (max-width:991px){
  body{padding-top:64px;}
  .site-header{height:64px;}
  .nav-menu,.status-pill,.countdown{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .section{padding:var(--sp-6) 0;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .section{padding:var(--sp-5) 0;}
  .article-main{padding:40px 0 56px;}
  .article-hero{padding:34px 0 32px;}
  .rel-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .cta-form{flex-direction:column;}
  .rel-row a{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:575px){
  body::before{background:radial-gradient(520px 260px at 50% -80px, rgba(31,224,192,.07), transparent 70%);}
  .article-meta{gap:8px 16px;font-size:12.5px;}
  .cta-band{padding:24px;border-radius:16px;}
  .btn-main,.btn-ghost{width:100%;}
  .header-actions .btn-main{width:auto;}
  .foot-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
/* ================= 设计变量 ================= */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-alt2:#081019;
  --card:#0F1A2B;
  --brand:#1FE0C0;
  --brand-soft:rgba(31,224,192,.12);
  --accent:#FF6A2B;
  --accent-2:#FF8F4D;
  --accent-soft:rgba(255,106,43,.12);
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.06);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;
  --r-hero:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(0,0,0,.45);
  --sh-btn:0 8px 24px rgba(255,106,43,.28);
  --gap:24px;
  --sec-pad:96px;
  --max:1200px;
  --fs-h1:clamp(28px,4.2vw,52px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --fs-h3:19px;
  --fs-body:16px;
  --dur:200ms;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:var(--fs-body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 420px at 50% -8%, rgba(31,224,192,.08), transparent 70%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px) 0 0/64px 64px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--dur),background var(--dur),border-color var(--dur),transform var(--dur);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
main{position:relative;z-index:1;}
.site-footer{position:relative;z-index:1;}
.site-header{position:relative;z-index:100;}

/* ================= 顶部导航 ================= */
.site-header{
  position:sticky;
  top:0;
  background:rgba(6,11,20,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-2);
  transition:background var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.site-header.is-scrolled{
  background:rgba(6,11,20,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  transition:height var(--dur);
}
.site-header.is-scrolled .header-inner{height:60px;}

.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.2px;flex:none;}
.logo-mark{
  width:26px;height:26px;border-radius:8px;position:relative;display:inline-block;
  background:linear-gradient(135deg,var(--brand),#0FA98F);
  box-shadow:0 0 0 1px rgba(31,224,192,.35),0 6px 18px rgba(31,224,192,.22);
}
.logo-mark::after{
  content:"";position:absolute;inset:7px 6px;border-radius:3px;
  background:var(--bg);transform:skewX(-18deg);
}
.logo-text{font-size:19px;color:var(--text);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  position:relative;
  padding:8px 12px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--brand);background:var(--brand-soft);}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}

.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(31,224,192,.35);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12.5px;letter-spacing:.5px;white-space:nowrap;
}
.status-pill i{
  width:7px;height:7px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(31,224,192,.16);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}

.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}
.nav-backdrop{
  position:fixed;inset:0;z-index:110;
  background:rgba(4,8,14,.62);
  opacity:0;visibility:hidden;
  transition:opacity var(--dur),visibility var(--dur);
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ================= 按钮 / 标签 ================= */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;line-height:1.4;
  border:1px solid transparent;
  transition:transform var(--dur),box-shadow var(--dur),background var(--dur),color var(--dur),border-color var(--dur),filter var(--dur);
}
.btn-main{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#1A0A03;
  box-shadow:var(--sh-btn);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,106,43,.42);filter:brightness(1.06);}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,106,43,.3);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);box-shadow:0 0 0 1px rgba(31,224,192,.35);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;font-weight:600;}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.4px;line-height:1.6;
  border:1px solid rgba(31,224,192,.35);
  background:var(--brand-soft);
  color:var(--brand);
}
.tag--accent{border-color:rgba(255,106,43,.42);background:var(--accent-soft);color:var(--accent-2);}
.tag--muted{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text-2);}

/* ================= 页头横幅 ================= */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-2);}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.74) 0%,rgba(6,11,20,.9) 58%,var(--bg) 100%);
}
.page-hero__inner{
  position:relative;z-index:2;
  padding-top:26px;
  padding-bottom:72px;
}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
}
.crumbs a{color:var(--text-2);border-bottom:1px solid transparent;}
.crumbs a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.crumbs span{color:var(--text-3);}
.crumbs-current{color:var(--brand);}
.page-hero h1{
  font-size:var(--fs-h1);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.5px;
  margin-top:18px;
  max-width:16em;
}
.hero-sub{
  margin-top:16px;
  font-size:clamp(16px,1.5vw,19px);
  color:var(--text-2);
  max-width:40em;
  line-height:1.75;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}

.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;margin-top:44px;
  border-radius:var(--r-hero);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.hero-stats>div{
  background:rgba(255,255,255,.05);
  padding:22px 24px;
  position:relative;
}
.hero-stats>div::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.stat-num{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;line-height:1.1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px;letter-spacing:0;}
.stat-label{font-size:13px;color:var(--text-2);letter-spacing:.4px;margin-top:8px;}

/* ================= 板块通用 ================= */
.section{padding:var(--sec-pad) 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section--dark{background:var(--bg-alt2);}
.section-head{margin-bottom:36px;max-width:820px;}
.section-head h2{
  position:relative;
  padding-top:14px;
  font-size:var(--fs-h2);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.3px;
}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;
  width:36px;height:3px;border-radius:3px;background:var(--brand);
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;}

/* ================= 卡片 ================= */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.4);box-shadow:0 18px 40px rgba(0,0,0,.55);}

.overview-card{
  display:grid;
  grid-template-columns:44% 1fr;
  height:100%;
  color:var(--text);
}
.overview-card .card-media{
  position:relative;
  min-height:210px;
  background:var(--bg-alt2);
}
.overview-card .card-media img{
  width:100%;height:100%;
  object-fit:cover;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.overview-card .card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,11,20,0) 45%,rgba(15,26,43,.85) 100%);
}
.card-body{
  padding:24px;
  display:flex;flex-direction:column;gap:12px;
  min-width:0;
}
.card-body h3{
  font-size:var(--fs-h3);
  font-weight:700;
  line-height:1.45;
  letter-spacing:-.2px;
}
.card-body p{
  color:var(--text-2);
  font-size:15px;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
  letter-spacing:.3px;
}
.card-arrow{color:var(--brand);font-weight:700;transition:transform var(--dur);}
.card:hover .card-arrow{transform:translateX(4px);}

/* ================= 步骤列表 ================= */
.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{
  display:grid;grid-template-columns:58px 1fr;gap:16px;
  padding:20px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:border-color var(--dur),transform var(--dur);
}
.step-item:hover{border-color:rgba(31,224,192,.35);transform:translateY(-2px);}
.step-no{
  font-size:24px;font-weight:800;line-height:1.2;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.step-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.step-item p{color:var(--text-2);font-size:14.5px;line-height:1.75;}

.media-frame{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  background:var(--bg-alt2);
  height:100%;
  min-height:280px;
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.07);
  border-radius:var(--r-card);
}
.media-caption{
  position:absolute;left:18px;bottom:16px;right:18px;z-index:2;
  font-size:13px;color:var(--text-2);
  background:rgba(6,11,20,.7);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:6px 14px;
  display:inline-block;
  max-width:max-content;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

/* ================= 信任背书条 ================= */
.trust-bar{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  border-radius:var(--r-hero);
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  box-shadow:0 12px 32px rgba(0,0,0,.45);
  position:relative;
}
.trust-bar::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.trust-item{
  padding:24px 18px;
  text-align:center;
  border-left:1px solid rgba(255,255,255,.08);
}
.trust-item:first-child{border-left:0;}
.trust-num{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:800;line-height:1.2;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.trust-num span{font-size:13px;font-weight:600;color:var(--text-2);margin-left:3px;}
.trust-label{font-size:13px;color:var(--text-2);margin-top:6px;letter-spacing:.3px;}

/* ================= 轻量问答 ================= */
.qa-list{display:flex;flex-direction:column;gap:16px;}
.qa-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-card);
  transition:border-color var(--dur);
}
.qa-item:hover{border-color:rgba(31,224,192,.3);}
.qa-item h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:flex;align-items:flex-start;gap:10px;
}
.qa-item h3::before{
  content:"问";flex:none;
  width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  background:var(--brand-soft);color:var(--brand);
  border:1px solid rgba(31,224,192,.35);
  margin-top:2px;
}
.qa-item p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8;padding-left:34px;}

/* ================= CTA ================= */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-hero);
  border:1px solid var(--line);
  background:linear-gradient(120deg,#0F1A2B 0%,#0A1220 65%);
  padding:46px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-card);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.16),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;line-height:1.35;letter-spacing:-.3px;
  position:relative;z-index:1;
}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15.5px;position:relative;z-index:1;max-width:36em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ================= 页脚 ================= */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-alt2);
  padding-top:64px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.3fr;gap:36px;}
.foot-title{font-size:14px;font-weight:700;letter-spacing:.5px;color:var(--text);margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.foot-links a{color:var(--text-2);display:inline-block;}
.foot-links a:hover{color:var(--brand);transform:translateX(2px);}
.foot-text{font-size:13.5px;color:var(--text-3);line-height:1.85;margin:0;}
.foot-bottom{
  margin-top:52px;
  border-top:1px solid var(--line-2);
  padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand);}

.form-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;}
.form-control{
  width:100%;
  background:#0B1524;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text);
  padding:11px 14px;
  font-size:14px;
  line-height:1.5;
  transition:border-color var(--dur),box-shadow var(--dur),background var(--dur);
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,224,192,.16);
  background:#0D1A2B;
}
.form-hint{font-size:12px;color:var(--text-3);line-height:1.7;margin:0;}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  :root{--sec-pad:80px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;
    width:min(86vw,340px);
    margin-left:0;
    padding:92px 20px 28px;
    background:var(--bg-alt2);
    border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:4px;
    transform:translateX(102%);
    transition:transform 220ms ease;
    z-index:120;
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{padding:13px 14px;font-size:15.5px;border-radius:12px;}
  .nav-menu a.active::after{display:none;}
  .header-actions .status-pill{display:none;}
  .overview-card{grid-template-columns:1fr;}
  .overview-card .card-media{min-height:200px;}
  .overview-card .card-media::after{background:linear-gradient(180deg,rgba(6,11,20,0) 45%,rgba(15,26,43,.9) 100%);}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-item:nth-child(odd){border-left:0;}
  .trust-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.08);}
  .media-frame{min-height:240px;}
}
@media (max-width:767px){
  :root{--sec-pad:56px;}
  .page-hero__inner{padding-bottom:56px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats>div{border-top:1px solid rgba(255,255,255,.08);}
  .hero-stats>div:first-child{border-top:0;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .cta-band::after{opacity:.6;}
  .card-body{padding:20px;}
  .qa-item{padding:20px;}
  .qa-item p{padding-left:0;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  body::before{
    background:radial-gradient(600px 300px at 50% -10%, rgba(31,224,192,.08), transparent 70%);
  }
  .logo-text{font-size:17px;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .step-item{grid-template-columns:44px 1fr;gap:12px;padding:18px;}
  .step-no{font-size:20px;}
  .trust-item{padding:20px 14px;}
}

/* roulang page: category2 */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-alt-2:#081019;
  --card:#0F1A2B;
  --brand:#1FE0C0;
  --brand-12:rgba(31,224,192,.12);
  --brand-30:rgba(31,224,192,.30);
  --accent:#FF6A2B;
  --accent-2:#FF8F4D;
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;

  --r-hero:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;

  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-btn:0 8px 24px rgba(255,106,43,.28);

  --sp-section:96px;
  --sp-gap:24px;

  --fs-h1:clamp(28px,4.2vw,52px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --fs-h3:19px;
  --fs-body:15.5px;
  --fs-small:13px;
  --fs-tiny:12px;

  --nav-h:72px;
  --nav-h-compact:60px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:var(--fs-body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 380px at 50% -140px, rgba(31,224,192,.08), transparent 70%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.35;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:64px 64px;
}
a{color:inherit;text-decoration:none;transition:color .2s ease, opacity .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:rgba(6,11,20,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-soft);
  transition:height .22s ease, background .22s ease, box-shadow .22s ease;
}
.site-header::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.site-header.scrolled{
  height:var(--nav-h-compact);
  background:rgba(8,16,25,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.nav-inner{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:28px;height:28px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#0E8F7C);
  position:relative;
  box-shadow:0 0 0 1px rgba(31,224,192,.35), 0 6px 18px rgba(31,224,192,.25);
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;inset:8px 7px;
  border-radius:2px;
  border-left:3px solid #04141A;
  border-right:3px solid #04141A;
  transform:skewX(-12deg);
}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text);
  white-space:nowrap;
}
.logo-text em{
  font-style:normal;
  color:var(--brand);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-menu a{
  font-size:14.5px;
  color:var(--text-2);
  padding:8px 12px;
  border-radius:var(--r-btn);
  position:relative;
  white-space:nowrap;
  transition:color .2s ease, background .2s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--brand);background:var(--brand-12);}
.nav-menu a.active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--brand-30);
  background:var(--brand-12);
  color:var(--brand);
  font-size:var(--fs-tiny);
  letter-spacing:.5px;
  white-space:nowrap;
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 3px rgba(31,224,192,.18);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  align-items:center;
  justify-content:center;
  font-size:17px;
  cursor:pointer;
}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border:none;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#FFFFFF;
  font-size:15px;
  font-weight:700;
  letter-spacing:.3px;
  cursor:pointer;
  box-shadow:var(--shadow-btn);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
  white-space:nowrap;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,106,43,.4);filter:brightness(1.06);color:#fff;}
.btn-main:active{transform:translateY(0);box-shadow:0 5px 16px rgba(255,106,43,.3);}
.btn-main.btn-sm{padding:9px 18px;font-size:14px;}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-btn);
  border:1px solid var(--brand);
  background:transparent;
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease, box-shadow .2s ease, transform .2s ease;
  white-space:nowrap;
}
.btn-ghost:hover{
  background:var(--brand-12);
  box-shadow:0 0 22px rgba(31,224,192,.22);
  transform:translateY(-2px);
  color:var(--brand);
}
.btn-ghost:active{transform:translateY(0);}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  position:relative;
  padding-bottom:2px;
}
.link-more::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:1px;
  background:var(--brand);
  transition:width .22s ease;
}
.link-more:hover::after{width:100%;}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:calc(var(--nav-h) + 72px) 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  z-index:0;
}
.page-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,11,20,.78) 0%, rgba(6,11,20,.86) 55%, var(--bg) 100%);
}
.page-hero .wrap{position:relative;z-index:2;}

.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:var(--fs-small);
  color:var(--text-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--brand);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--brand-30);
  background:var(--brand-12);
  color:var(--brand);
  font-size:var(--fs-tiny);
  letter-spacing:1.4px;
  font-weight:700;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:var(--fs-h1);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.5px;
  margin:0 0 20px;
  max-width:900px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--brand);
}
.hero-sub{
  font-size:16px;
  color:var(--text-2);
  max-width:660px;
  margin:0 0 28px;
  line-height:1.85;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}

.metric-strip{
  margin-top:48px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line-soft);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);
  overflow:hidden;
  background-image:none;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.metric-strip .m-item{
  background:rgba(255,255,255,.05);
  padding:24px 26px;
}
.metric-strip .m-item + .m-item{border-left:1px solid var(--line-soft);}
.m-num{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.m-num span{font-size:14px;color:var(--text-2);margin-left:4px;font-weight:600;}
.m-label{font-size:var(--fs-small);color:var(--text-2);margin-top:6px;letter-spacing:.5px;}

/* ============ 通用板块 ============ */
.section{
  padding:var(--sp-section) 0;
  position:relative;
  z-index:2;
}
.section.alt{background:var(--bg-alt);}
.section.alt-2{background:var(--bg-alt-2);}

.sec-head{margin-bottom:32px;}
.sec-head h2{
  font-size:var(--fs-h2);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.3px;
  margin:0 0 12px;
  padding-top:14px;
  position:relative;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:44px;height:3px;
  border-radius:2px;
  background:var(--brand);
}
.sec-head p{
  color:var(--text-2);
  margin:0;
  max-width:720px;
  font-size:15px;
}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

/* ============ 时间线 + 粘性卡 ============ */
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:36px 34px 14px;
}
.timeline{position:relative;}
.timeline::before{
  content:"";
  position:absolute;
  left:6px;top:10px;bottom:34px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(31,224,192,.35) 55%,rgba(31,224,192,.05) 100%);
}
.tl-item{
  position:relative;
  padding:0 0 30px 40px;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--brand);
  box-shadow:0 0 0 5px rgba(31,224,192,.08);
}
.tl-item.is-key::before{
  border-color:var(--accent);
  box-shadow:0 0 0 5px rgba(255,106,43,.12);
}
.tl-time{
  font-size:var(--fs-small);
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.tl-item h3{
  font-size:17px;
  font-weight:700;
  margin:0 0 8px;
  color:var(--text);
}
.tl-item p{
  margin:0 0 10px;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.8;
}
.tag{
  display:inline-block;
  padding:3px 11px;
  border-radius:var(--r-pill);
  font-size:var(--fs-tiny);
  font-weight:600;
  letter-spacing:.5px;
  border:1px solid var(--brand-30);
  background:var(--brand-12);
  color:var(--brand);
}
.tag.orange{
  border-color:rgba(255,106,43,.35);
  background:rgba(255,106,43,.12);
  color:var(--accent-2);
}

.side-card{
  position:sticky;
  top:calc(var(--nav-h-compact) + 24px);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-hero);
  padding:30px 28px;
  box-shadow:var(--shadow-card);
  position:sticky;
}
.side-card::before{
  content:"";
  position:absolute;top:0;left:24px;right:24px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.side-card h3{
  font-size:18px;
  font-weight:700;
  margin:0 0 16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.side-list{list-style:none;padding:0;margin:0 0 22px;}
.side-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:14px;
  color:var(--text-2);
}
.side-list li:last-child{border-bottom:none;}
.side-list i{color:var(--brand);margin-top:5px;font-size:12px;}
.side-kv{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  padding:11px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:14px;
  color:var(--text-2);
}
.side-kv b{
  color:var(--accent);
  font-size:17px;
  font-variant-numeric:tabular-nums;
  font-weight:800;
}
.side-note{
  font-size:var(--fs-tiny);
  color:var(--text-3);
  margin:16px 0 0;
  line-height:1.7;
}

/* ============ 栏目区块 ============ */
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease, border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--brand-30);}
.feature-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-media .tag{position:absolute;left:16px;top:16px;backdrop-filter:blur(8px);}
.feature-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.feature-body h3{font-size:var(--fs-h3);font-weight:700;margin:0 0 10px;}
.feature-body p{color:var(--text-2);font-size:14.5px;margin:0 0 18px;line-height:1.8;}
.feature-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:var(--fs-tiny);
  color:var(--text-3);
  letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
}
.feature-foot i{color:var(--brand);transition:transform .2s ease;}
.feature-card:hover .feature-foot i{transform:translateX(4px);}

.mini-row{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease, border-color .22s ease;
}
.mini-row:hover{transform:translateY(-4px);border-color:var(--brand-30);}
.mini-row .mini-thumb{
  width:96px;height:70px;
  border-radius:12px;
  overflow:hidden;
  flex-shrink:0;
  border:1px solid var(--line);
}
.mini-row .mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-row h4{
  font-size:16px;
  font-weight:700;
  margin:0 0 6px;
  color:var(--text);
}
.mini-row p{
  font-size:13.5px;
  color:var(--text-2);
  margin:0 0 8px;
  line-height:1.7;
}
.mini-meta{
  font-size:var(--fs-tiny);
  color:var(--text-3);
  letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
}

/* ============ 规范 / 图文分栏 ============ */
.split-media{
  border-radius:var(--r-hero);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-copy h2{
  font-size:var(--fs-h2);
  font-weight:800;
  margin:0 0 16px;
  padding-top:14px;
  position:relative;
  line-height:1.3;
}
.split-copy h2::before{
  content:"";
  position:absolute;top:0;left:0;
  width:44px;height:3px;border-radius:2px;background:var(--brand);
}
.split-copy p{color:var(--text-2);margin:0 0 18px;font-size:15px;line-height:1.85;}
.num-list{list-style:none;padding:0;margin:0;}
.num-list li{
  display:flex;
  gap:16px;
  padding:16px 0;
  border-top:1px solid var(--line-soft);
}
.num-list li:last-child{border-bottom:1px solid var(--line-soft);}
.num-list .idx{
  font-size:18px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  min-width:34px;
  line-height:1.4;
}
.num-list h4{font-size:16px;font-weight:700;margin:0 0 4px;}
.num-list p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

/* ============ 适用场景 ============ */
.scene-item{
  display:flex;
  gap:18px;
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  height:100%;
  transition:transform .22s ease, border-color .22s ease;
}
.scene-item:hover{transform:translateY(-4px);border-color:var(--brand-30);}
.scene-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--brand-30);
  background:var(--brand-12);
  color:var(--brand);
  font-size:17px;
  flex-shrink:0;
}
.scene-item h3{font-size:16.5px;font-weight:700;margin:0 0 8px;}
.scene-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

/* ============ FAQ ============ */
.faq-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--shadow-card);
  height:100%;
  transition:border-color .22s ease, transform .22s ease;
}
.faq-card:hover{border-color:var(--brand-30);transform:translateY(-3px);}
.faq-card h3{
  font-size:16px;
  font-weight:700;
  margin:0 0 10px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.faq-card h3 i{color:var(--brand);margin-top:5px;font-size:13px;}
.faq-card p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.85;}

/* ============ CTA ============ */
.cta-panel{
  background:linear-gradient(135deg,#0C1725 0%,#0F1A2B 100%);
  border:1px solid var(--line);
  border-radius:var(--r-hero);
  padding:48px 44px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(31,224,192,.10), transparent 70%);
}
.cta-panel h2{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:800;
  margin:0 0 12px;
  position:relative;
  line-height:1.35;
}
.cta-panel p{color:var(--text-2);margin:0;font-size:15px;position:relative;}
.cta-form{position:relative;}
.form-label{
  font-size:13px;
  color:var(--text-2);
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:8px;
  display:block;
}
.form-control{
  width:100%;
  background:#0A1220;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--text);
  padding:12px 16px;
  font-size:15px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,224,192,.14);
  background:#0B1424;
  color:var(--text);
}
.form-hint{font-size:var(--fs-tiny);color:var(--text-3);margin:10px 0 0;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-alt-2);
  border-top:1px solid var(--line-soft);
  padding:64px 0 0;
  position:relative;
  z-index:2;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.foot-title{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.5px;
}
.foot-text{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.85;
  display:block;
  margin-bottom:8px;
}
.foot-links{display:flex;flex-direction:column;gap:9px;}
.foot-links a{font-size:13.5px;color:var(--text-2);}
.foot-links a:hover{color:var(--brand);}
.foot-bottom{
  border-top:1px solid var(--line-soft);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:var(--fs-tiny);
  color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand);}
.site-footer .form-control{padding:10px 14px;font-size:14px;}
.site-footer .btn-main{width:100%;}
.site-footer .form-hint{margin:4px 0 0;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-menu a{padding:8px 9px;font-size:14px;}
  .wrap{padding:0 20px;}
}
@media (max-width:1100px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .site-header .nav-menu.open{
    display:flex;
    position:fixed;
    top:var(--nav-h);
    right:0;
    width:280px;
    height:calc(100vh - var(--nav-h));
    background:rgba(8,16,25,.98);
    backdrop-filter:blur(14px);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    padding:24px 18px;
    gap:6px;
    margin-left:0;
    overflow-y:auto;
    box-shadow:-16px 0 40px rgba(0,0,0,.6);
  }
  .site-header.scrolled .nav-menu.open{top:var(--nav-h-compact);height:calc(100vh - var(--nav-h-compact));}
  .site-header .nav-menu.open a{padding:13px 16px;font-size:15px;}
  .site-header .nav-menu.open a.active::after{display:none;}
}
@media (max-width:991.98px){
  :root{--sp-section:64px;}
  .metric-strip{grid-template-columns:1fr;margin-top:36px;}
  .metric-strip .m-item + .m-item{border-left:none;border-top:1px solid var(--line-soft);}
  .side-card{position:static;margin-top:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding-top:calc(var(--nav-h) + 52px);}
  .cta-panel{padding:36px 28px;}
}
@media (max-width:767.98px){
  :root{--sp-section:48px;}
  body{font-size:15px;}
  .wrap{padding:0 16px;}
  .nav-inner{padding:0 16px;gap:12px;}
  .status-chip{display:none;}
  .page-hero{padding-top:calc(var(--nav-h) + 40px);padding-bottom:44px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-btns .btn-main,.hero-btns .btn-ghost{flex:1 1 100%;}
  .tl-card{padding:26px 20px 8px;}
  .cta-panel{padding:30px 22px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
  .split-media{aspect-ratio:16/10;margin-bottom:26px;}
}
@media (max-width:575.98px){
  body::after{display:none;}
  .metric-strip .m-item{padding:18px 20px;}
  .feature-body{padding:20px 20px 22px;}
  .mini-row{flex-direction:column;}
  .mini-row .mini-thumb{width:100%;height:150px;}
  .site-header .nav-menu.open{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-alt2:#081019;
  --card:#0F1A2B;
  --brand:#1FE0C0;
  --brand-deep:#12B39A;
  --accent:#FF6A2B;
  --accent-soft:#FF8F4D;
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;
  --r-hero:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(0,0,0,.45);
  --sh-cta:0 8px 24px rgba(255,106,43,.28);
  --sp-sec:96px;
  --fs-h1:clamp(28px,4.2vw,52px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --fs-h3:19px;
  --fs-body:15.5px;
  --fs-small:13px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fs-body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 78% -10%, rgba(31,224,192,.08), transparent 62%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px) 0 0/64px 64px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.sec{padding:var(--sp-sec) 0;position:relative}
.sec-alt{background:var(--bg-alt2)}
.sec-line{border-top:1px solid var(--line-soft)}
main{position:relative;z-index:1}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
  transition:height .22s ease, background .22s ease, box-shadow .22s ease;
}
.site-header.scrolled{
  height:60px;
  background:rgba(6,11,20,.93);
  box-shadow:0 10px 30px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.06);
}
.head-inner{display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.4px;white-space:nowrap}
.logo-mark{
  width:26px;height:26px;border-radius:8px;position:relative;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(31,224,192,.35), 0 6px 18px rgba(31,224,192,.26);
}
.logo-mark::after{
  content:"";position:absolute;left:11px;top:6px;width:4px;height:14px;
  border-radius:2px;background:var(--bg);transform:rotate(18deg);
}
.logo-text{color:var(--text)}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-menu{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-menu a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .2s ease;
}
.nav-menu a:hover{color:var(--text)}
.nav-menu a:hover::after{width:100%}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{width:100%}
.head-right{display:flex;align-items:center;gap:14px;flex:none}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(31,224,192,.4);
  background:rgba(31,224,192,.12);
  color:var(--brand);font-size:12.5px;letter-spacing:.4px;white-space:nowrap;
}
.status-pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(31,224,192,.16);
  animation:pulse 2.2s infinite ease-in-out;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.82)}
}
.countdown{font-size:12.5px;color:var(--text-3);white-space:nowrap}
.countdown b{color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.5px;margin-left:4px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:0;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;color:#1A0D05;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent-soft));
  box-shadow:var(--sh-cta);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 32px rgba(255,106,43,.44);color:#1A0D05}
.btn-main:active{transform:translateY(0);box-shadow:0 5px 14px rgba(255,106,43,.32)}
.btn-main.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  border:1px solid var(--brand);background:transparent;
  color:var(--brand);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-ghost:hover{background:rgba(31,224,192,.12);box-shadow:0 8px 22px rgba(31,224,192,.18);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer-cta{display:none}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;
  padding:158px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:saturate(105%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.72),rgba(6,11,20,.88) 60%,var(--bg));
}
.page-hero-inner{position:relative;z-index:2}
.crumb{font-size:13px;color:var(--text-2);margin-bottom:18px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:var(--text-3)}
.crumb .cur{color:var(--brand)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:2px;color:var(--brand);
  border:1px solid rgba(31,224,192,.35);background:rgba(31,224,192,.10);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.page-hero h1{
  font-size:var(--fs-h1);
  line-height:1.2;
  letter-spacing:-.5px;
  font-weight:800;
  max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.page-hero .lead{
  margin-top:18px;max-width:640px;color:var(--text-2);font-size:16.5px;
}
.stat-strip{
  margin-top:36px;
  display:flex;flex-wrap:wrap;
  border-radius:var(--r-hero);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14), var(--sh-card);
  overflow:hidden;
  max-width:780px;
}
.stat-item{
  flex:1 1 200px;
  padding:20px 24px;
  border-right:1px solid var(--line-soft);
}
.stat-item:last-child{border-right:0}
.stat-item .k{font-size:12.5px;color:var(--text-3);letter-spacing:.6px}
.stat-item .v{
  font-size:26px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;line-height:1.35;
}
.stat-item .v em{font-style:normal;color:var(--accent);font-size:15px;font-weight:600;margin-left:4px}

/* ============ 通用板块标题 ============ */
.sec-head{margin-bottom:32px;max-width:720px}
.sec-head h2{
  font-size:var(--fs-h2);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.3px;
  position:relative;
  padding-top:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:0;width:44px;height:3px;
  border-radius:2px;background:var(--brand);
}
.sec-head p{margin-top:14px;color:var(--text-2)}
.h2-inline{color:var(--brand)}

/* ============ 胶囊选项卡 ============ */
.pill-tabs{
  display:inline-flex;flex-wrap:wrap;gap:6px;
  padding:6px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  margin-bottom:36px;
}
.pill-tab{
  border:1px solid transparent;background:transparent;
  border-radius:var(--r-pill);
  padding:9px 22px;font-size:14.5px;font-weight:600;
  color:var(--text-2);cursor:pointer;
  transition:all .2s ease;
}
.pill-tab:hover{color:var(--text);background:rgba(255,255,255,.05)}
.pill-tab.active{
  color:#1A0D05;
  background:linear-gradient(135deg,var(--accent),var(--accent-soft));
  box-shadow:0 6px 18px rgba(255,106,43,.30);
}
.tab-panel{display:none;animation:fadeIn .22s ease}
.tab-panel.show{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ============ 对比说明区 ============ */
.compare-note h3{font-size:var(--fs-h3);font-weight:700;margin-bottom:14px}
.compare-note p{color:var(--text-2);margin-bottom:18px}
.note-list li{
  position:relative;padding-left:20px;margin-bottom:12px;color:var(--text-2);font-size:15px;
}
.note-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.10);
}
.note-list li strong{color:var(--text);font-weight:700}

.panel-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:26px 26px 20px;
}
.panel-cap{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--text-3);margin-bottom:18px;
}
.panel-cap i{color:var(--brand)}
.panel-cap b{color:var(--text);font-weight:700}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table{
  width:100%;min-width:520px;margin:0;
  --bs-table-bg:transparent;
  --bs-table-color:var(--text);
  --bs-table-border-color:var(--line-soft);
  border-color:var(--line-soft);
  color:var(--text);
  font-size:14.5px;
}
.table>thead>tr>th{
  background:#0B1524;
  color:var(--text-2);
  font-weight:700;
  font-size:13px;
  letter-spacing:.6px;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.table>tbody>tr>td{
  padding:14px 16px;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-2);
  vertical-align:middle;
}
.table>tbody>tr>td:first-child{color:var(--text);font-weight:600}
.table>tbody>tr:hover>td{background:rgba(31,224,192,.08);color:var(--text)}
.table>tbody>tr:last-child>td{border-bottom:0}
.tick{color:var(--brand);margin-right:6px}
.cross{color:var(--text-3);margin-right:6px}

/* ============ 权益速览 ============ */
.big-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  height:100%;
  transition:transform .2s ease,border-color .2s ease;
}
.big-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.34)}
.big-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.big-card .thumb img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.big-card .body{padding:26px}
.big-card h3{font-size:21px;font-weight:700;margin-bottom:12px}
.big-card p{color:var(--text-2)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(31,224,192,.35);
  background:rgba(31,224,192,.10);
  color:var(--brand);font-size:12px;letter-spacing:.6px;margin-bottom:14px;
}
.mini-row{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease;
  height:100%;
}
.mini-row:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.34)}
.mini-row .ico{
  flex:none;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(31,224,192,.35);background:rgba(31,224,192,.10);
  color:var(--brand);font-size:17px;
}
.mini-row h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.mini-row p{font-size:14px;color:var(--text-2);margin:0}

/* ============ 步骤条 ============ */
.steps{display:flex;flex-wrap:wrap;gap:20px}
.step{
  flex:1 1 220px;position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-card);
}
.step .idx{
  font-size:30px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-1px;
}
.step h3{font-size:16.5px;font-weight:700;margin:14px 0 8px}
.step p{font-size:14px;color:var(--text-2);margin:0}

/* ============ 保障条 ============ */
.assure{
  display:flex;flex-wrap:wrap;
  border-radius:var(--r-hero);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14), var(--sh-card);
  overflow:hidden;
}
.assure-item{
  flex:1 1 220px;padding:24px 22px;
  border-right:1px solid var(--line-soft);
}
.assure-item:last-child{border-right:0}
.assure-item .t{font-size:15px;font-weight:700;margin-bottom:6px}
.assure-item .d{font-size:13.5px;color:var(--text-2);margin:0}
.assure-item i{color:var(--brand);margin-right:8px}

/* ============ CTA ============ */
.cta-band{
  border-radius:var(--r-hero);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 88% 0%, rgba(255,106,43,.16), transparent 70%),
    var(--bg-alt);
  padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  box-shadow:var(--sh-card);
}
.cta-band .txt{flex:1 1 420px}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.35}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-band .acts{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-alt2);
  padding:64px 0 0;
  margin-top:8px;
  position:relative;z-index:1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.4px}
.foot-text{font-size:13.5px;color:var(--text-2);display:block;line-height:1.9}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:13.5px;color:var(--text-2)}
.foot-links a:hover{color:var(--brand)}
.form-label{font-size:13px;color:var(--text-2);margin-bottom:2px}
.form-control{
  background:#0A1220;border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--text);padding:11px 14px;font-size:14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:#0A1220;color:var(--text);
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,224,192,.16);
}
.form-hint{font-size:12px;color:var(--text-3);margin:0}
.foot-bottom{
  border-top:1px solid var(--line-soft);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sp-sec:80px}
  .nav-menu{gap:18px}
  .countdown{display:none}
}
@media (max-width:991.98px){
  :root{--sp-sec:64px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:290px;
    background:#0A1220;border-left:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 26px 32px;
    transform:translateX(102%);
    transition:transform .24s ease;
    box-shadow:-18px 0 44px rgba(0,0,0,.55);
    margin-left:0;
    z-index:90;
    overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{font-size:16px;padding:12px 0;width:100%;border-bottom:1px solid var(--line-soft)}
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--brand)}
  .drawer-cta{
    display:inline-flex;margin-top:22px;width:100%;border-bottom:0!important;
    color:#1A0D05!important;padding:12px 24px!important;
  }
  .drawer-cta::after{display:none}
  .status-pill{display:none}
  .head-inner{gap:14px}
  .page-hero{padding:132px 0 56px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .assure-item{flex:1 1 45%;border-right:0;border-bottom:1px solid var(--line-soft)}
  .assure-item:nth-child(odd){border-right:1px solid var(--line-soft)}
  .assure-item:nth-last-child(-n+2){border-bottom:0}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .page-hero{padding:120px 0 48px}
  .stat-item{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line-soft)}
  .stat-item:last-child{border-bottom:0}
  .cta-band{padding:32px 24px}
  .cta-band .acts{width:100%}
  .cta-band .acts .btn-main,.cta-band .acts .btn-ghost{width:100%}
  .panel-card{padding:20px 16px 14px}
  .foot-grid{grid-template-columns:1fr}
  .assure-item{flex:1 1 100%;border-right:0}
  .assure-item:nth-child(odd){border-right:0}
  .assure-item:last-child{border-bottom:0}
}
@media (max-width:575.98px){
  :root{--sp-sec:48px}
  body::before{background:radial-gradient(600px 380px at 80% -8%, rgba(31,224,192,.08), transparent 62%)}
  .page-hero h1{font-size:28px}
  .logo{font-size:17px}
  .head-right .btn-main.btn-sm{padding:8px 14px;font-size:13px}
  .pill-tabs{width:100%;justify-content:space-between}
  .pill-tab{padding:8px 14px;font-size:13.5px;flex:1}
  .step{flex:1 1 100%}
}

/* roulang page: category4 */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-alt2:#081019;
  --card:#0F1A2B;
  --brand:#1FE0C0;
  --brand-soft:rgba(31,224,192,.12);
  --brand-line:rgba(31,224,192,.32);
  --accent:#FF6A2B;
  --accent-2:#FF8F4D;
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --border:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.05);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;
  --r-hero:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-soft:0 8px 24px rgba(0,0,0,.35);
  --sp-section:96px;
  --gap:24px;
  --fs-h1:clamp(28px,4.2vw,52px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --fs-h3:19px;
  --fs-body:15.5px;
  --fs-small:12.5px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:var(--fs-body);
  line-height:1.8;
  letter-spacing:.2px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(640px 340px at 78% -80px, rgba(31,224,192,.08), transparent 72%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:auto, 64px 64px, 64px 64px;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--text);font-weight:800;letter-spacing:-.3px;margin:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.site-header,.page-hero,main,.site-footer{position:relative;z-index:1}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  padding:16px 0;
  background:linear-gradient(180deg,rgba(6,11,20,.86),rgba(6,11,20,0));
  transition:padding .22s ease,background .22s ease,border-color .22s ease,backdrop-filter .22s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  padding:9px 0;
  background:rgba(8,16,25,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--border);
  box-shadow:0 10px 30px rgba(0,0,0,.38);
}
.header-inner{display:flex;align-items:center;gap:26px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand),#0B8F7E 70%);
  box-shadow:0 6px 16px rgba(31,224,192,.28),inset 0 0 0 1px rgba(255,255,255,.16);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;left:6px;top:6px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(255,106,43,.7);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--text)}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-menu{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-menu a{
  position:relative;
  font-size:14px;
  color:var(--text-2);
  text-decoration:none;
  padding:8px 2px;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;border-radius:2px;
  background:var(--brand);transition:right .22s ease;
}
.nav-menu a:hover{color:var(--text)}
.nav-menu a:hover::after{right:0}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{right:0}
.nav-menu a:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:4px}
.header-tail{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.6px;color:var(--brand);
  border:1px solid var(--brand-line);background:var(--brand-soft);
  padding:5px 12px;border-radius:var(--r-pill);white-space:nowrap;
}
.status-badge i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.15);animation:blip 2s infinite}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.35}}
.nav-toggle{
  display:none;
  width:42px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:var(--glass);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);border-color:var(--brand-line)}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  z-index:1200;
  background:rgba(10,18,32,.96);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-left:1px solid var(--border);
  padding:22px 20px 30px;
  transform:translateX(104%);
  transition:transform .24s ease;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--border);background:var(--glass);color:var(--text);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:12px 4px;font-size:15px;color:var(--text-2);text-decoration:none;
  border-bottom:1px solid var(--line);transition:color .2s ease,padding-left .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);padding-left:8px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.66);z-index:1100;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:0;cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.3px;color:#1A0B03;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 24px rgba(255,106,43,.28);
  text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 13px 30px rgba(255,106,43,.42);filter:brightness(1.06);color:#1A0B03}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,106,43,.3)}
.btn-main:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-main.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);
  border:1px solid var(--brand);background:transparent;color:var(--brand);
  font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(31,224,192,.12);box-shadow:0 0 0 4px rgba(31,224,192,.08);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand);text-decoration:none;
  padding-bottom:2px;border-bottom:1px solid rgba(31,224,192,.35);
  transition:border-color .2s ease,gap .2s ease;
}
.link-more:hover{border-color:var(--brand);gap:12px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:172px 0 76px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.86) 0%,rgba(6,11,20,.72) 45%,rgba(6,11,20,.95) 100%);
}
.page-hero-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px}
.crumb a{color:var(--text-2);text-decoration:none;transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:var(--text-3)}
.crumb span.cur{color:var(--brand)}
.page-hero h1{
  font-size:var(--fs-h1);
  line-height:1.2;
  letter-spacing:-.5px;
  max-width:820px;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{color:var(--text-2);font-size:17px;max-width:640px;margin-bottom:34px}
.metrics{
  display:flex;flex-wrap:wrap;gap:14px;align-items:stretch;
}
.metric{
  flex:1 1 190px;
  padding:18px 20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
.metric b{display:block;font-size:26px;font-weight:800;color:var(--accent);line-height:1.15;letter-spacing:-.4px}
.metric span{font-size:12.5px;color:var(--text-2);letter-spacing:.5px}
.metric.is-count b{font-size:24px;color:var(--brand);letter-spacing:1px}

/* ---------- section shell ---------- */
.sec{padding:var(--sp-section) 0}
.sec-alt{background:var(--bg-alt)}
.sec-alt2{background:var(--bg-alt2)}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-title{
  position:relative;padding-left:18px;
  font-size:var(--fs-h2);line-height:1.3;margin-bottom:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),rgba(31,224,192,.25));
}
.sec-desc{color:var(--text-2);margin:0}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.7px;
  color:var(--brand);background:var(--brand-soft);
  border:1px solid var(--brand-line);border-radius:var(--r-pill);
  padding:5px 13px;margin-bottom:14px;
}

/* ---------- narrative blocks ---------- */
.narr{padding:54px 0;position:relative}
.narr + .narr{border-top:1px solid rgba(255,106,43,.24)}
.narr:first-child{padding-top:0}
.narr h2{font-size:clamp(20px,2.3vw,28px);line-height:1.35;margin-bottom:16px}
.narr p{color:var(--text-2)}
.narr p strong{color:var(--text);font-weight:700}
.narr-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.narr-list li{display:flex;gap:12px;color:var(--text-2);font-size:15px;line-height:1.7}
.narr-list li .idx{
  flex:0 0 auto;color:var(--accent);font-weight:800;font-size:13px;
  font-variant-numeric:tabular-nums;letter-spacing:1px;padding-top:4px;
}
.media{
  margin:0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  background:#0B1524;
  position:relative;
}
.media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 18px 14px;
  font-size:12.5px;color:var(--text-2);letter-spacing:.4px;
  background:linear-gradient(180deg,rgba(6,11,20,0),rgba(6,11,20,.88));
}
.media.h-sm img{aspect-ratio:4/3}
.spot{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--border);
  border-left:3px solid var(--accent);
  color:var(--text-2);font-size:14.5px;line-height:1.7;
}
.spot b{color:var(--text)}

/* ---------- horizontal scroll strip ---------- */
.hscroll{
  display:flex;gap:18px;overflow-x:auto;
  padding:4px 4px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.hscroll::-webkit-scrollbar-thumb{background:rgba(31,224,192,.35);border-radius:999px}
.tool-card{
  flex:0 0 268px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);padding:22px 20px;
  box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease;
}
.tool-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.45)}
.tool-card i{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;font-size:16px;
  color:var(--brand);border:1px solid var(--brand-line);background:var(--brand-soft);
  margin-bottom:14px;
}
.tool-card h3{font-size:var(--fs-h3);margin-bottom:8px}
.tool-card p{color:var(--text-2);font-size:14.5px;margin:0}

/* ---------- qa ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.qa{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-soft);
  transition:border-color .22s ease,transform .22s ease;
}
.qa:hover{border-color:rgba(31,224,192,.4);transform:translateY(-3px)}
.qa h3{font-size:17px;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.qa h3 i{color:var(--brand);font-size:15px;padding-top:4px}
.qa p{color:var(--text-2);font-size:14.8px;margin:0}

/* ---------- cta ---------- */
.cta-band{
  border-radius:var(--r-hero);
  border:1px solid var(--border);
  background:
    radial-gradient(520px 240px at 88% 0%, rgba(31,224,192,.14), transparent 70%),
    linear-gradient(120deg,#0C1828,#0B1524 60%);
  padding:48px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(31,224,192,.7),rgba(255,106,43,.5),transparent);
}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);margin-bottom:10px;line-height:1.35}
.cta-band p{color:var(--text-2);margin:0;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-alt2);
  border-top:1px solid var(--border);
  padding:72px 0 26px;
  margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.35fr 1fr 1.1fr 1.2fr;gap:34px}
.foot-title{font-weight:800;font-size:14.5px;color:var(--text);margin-bottom:16px;letter-spacing:.4px}
.foot-text{color:var(--text-3);font-size:13.5px;line-height:1.85;display:block;margin:0}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{
  color:var(--text-2);font-size:14px;text-decoration:none;width:fit-content;
  transition:color .2s ease,transform .2s ease;
}
.foot-links a:hover{color:var(--brand);transform:translateX(3px)}
.foot-links a:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.form-label{font-size:13px;color:var(--text-2);margin-bottom:6px}
.form-control{
  background:#0B1524;border:1px solid var(--border);color:var(--text);
  border-radius:var(--r-input);padding:11px 14px;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:#0B1524;color:var(--text);
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,224,192,.16);
}
.form-hint{font-size:12px;color:var(--text-3);margin:0}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:12.5px;
}
.foot-bottom a{color:var(--text-2);text-decoration:none}
.foot-bottom a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sp-section:80px}
  .nav-menu{gap:16px}
  .nav-menu a{font-size:13.5px}
}
@media (max-width:991.98px){
  :root{--sp-section:64px}
  .nav-menu,.status-badge{display:none}
  .nav-toggle{display:inline-flex}
  .header-tail{margin-left:auto}
  .page-hero{padding:140px 0 64px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 28px}
  .qa-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767.98px){
  :root{--sp-section:52px}
  body{font-size:15px}
  .wrap{padding:0 16px}
  .page-hero{padding:126px 0 52px}
  .hero-sub{font-size:15.5px;margin-bottom:26px}
  .metric b{font-size:22px}
  .metric.is-count b{font-size:20px}
  .narr{padding:40px 0}
  .sec-head{margin-bottom:24px}
  .cta-band{padding:32px 22px;border-radius:var(--r-card)}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  body::before{display:none}
  .page-hero{padding:118px 0 44px}
  .media figcaption{padding:22px 14px 12px}
  .tool-card{flex:0 0 82%}
}

/* roulang page: category5 */
:root{
  --bg:#060B14;
  --bg-alt:#0A1220;
  --bg-alt2:#081019;
  --card:#0F1A2B;
  --cyan:#1FE0C0;
  --cyan-deep:#0EA88F;
  --orange:#FF6A2B;
  --orange-2:#FF8F4D;
  --text:#EAF2F8;
  --text-2:#9FB2C6;
  --text-3:#6B7C90;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.06);
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF4D4F;
  --r-hero:20px;
  --r-md:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(0,0,0,.45);
  --sh-btn:0 8px 24px rgba(255,106,43,.28);
  --gap-sec:96px;
  --fs-h1:clamp(28px,4.2vw,52px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --fs-h3:19px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(900px 440px at 50% -160px,rgba(31,224,192,.08),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 55%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 55%);
}
img{max-width:100%;height:auto;display:block;border-radius:12px;border:1px solid var(--line)}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:#5cf0d8}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.num,.stat-num{font-variant-numeric:tabular-nums}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1200;
  transition:background-color .22s ease,box-shadow .22s ease,backdrop-filter .22s ease;
}
.site-header .header-inner{
  display:flex;align-items:center;gap:28px;height:72px;
  transition:height .22s ease;
  padding:0 24px;max-width:1200px;margin:0 auto;
}
.site-header.scrolled{
  background:rgba(6,11,20,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.site-header.scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:19px;letter-spacing:.2px}
.logo:hover{color:var(--text)}
.logo-mark{
  width:26px;height:26px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-deep));
  box-shadow:0 0 18px rgba(31,224,192,.4);
}
.logo-mark::after{
  content:"";position:absolute;inset:7px 6px;border-radius:4px;background:var(--bg);transform:skewX(-14deg);
}
.logo-text em{font-style:normal;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-menu a{
  color:var(--text-2);font-size:14.5px;padding:8px 12px;border-radius:var(--r-pill);
  position:relative;white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--cyan);background:rgba(31,224,192,.1)}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(31,224,192,0));
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--cyan);
  border:1px solid rgba(31,224,192,.4);background:rgba(31,224,192,.1);
  border-radius:var(--r-pill);padding:5px 12px;letter-spacing:.5px;white-space:nowrap;
}
.status-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:var(--text);transition:.2s ease;content:"";
}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:rotate(45deg);top:0}
body.nav-open .nav-toggle span::after{transform:rotate(-45deg);top:0}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(4,8,14,.6);opacity:0;pointer-events:none;
  transition:opacity .2s ease;z-index:1100;
}
body.nav-open .nav-backdrop{opacity:1;pointer-events:auto}

/* ============ Buttons ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:0;cursor:pointer;
  font-weight:700;font-size:15px;color:#20100A;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  box-shadow:var(--sh-btn);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,106,43,.42);filter:brightness(1.06);color:#20100A}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,106,43,.3)}
.btn-main.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);cursor:pointer;
  font-weight:700;font-size:15px;color:var(--cyan);
  background:transparent;border:1px solid var(--cyan);
  transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(31,224,192,.12);box-shadow:0 0 20px rgba(31,224,192,.22);color:var(--cyan);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.link-more{font-size:14.5px;font-weight:600;border-bottom:1px solid rgba(31,224,192,.35);padding-bottom:2px}
.link-more:hover{border-color:var(--cyan)}

/* ============ Hero ============ */
.page-hero{
  position:relative;padding:150px 0 72px;overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.86) 0%,rgba(6,11,20,.74) 45%,var(--bg) 100%);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px;position:relative;z-index:2}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--cyan)}
.crumb span.sep{color:var(--text-3)}
.crumb .cur{color:var(--cyan)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.2px;
  color:var(--cyan);background:rgba(31,224,192,.1);border:1px solid rgba(31,224,192,.35);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.page-hero h1{
  font-size:var(--fs-h1);line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-bottom:16px;
}
.page-hero h1 .hl{color:var(--cyan)}
.hero-sub{font-size:17px;color:var(--text-2);margin-bottom:26px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.glass-stats{
  display:flex;align-items:stretch;gap:0;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,var(--sh-card);
  border-radius:var(--r-hero);padding:22px 8px;
}
.glass-stats .stat{flex:1 1 0;padding:0 16px;text-align:left;border-left:1px solid rgba(255,255,255,.1)}
.glass-stats .stat:first-child{border-left:0}
.glass-stats .stat-num{
  display:block;font-size:clamp(18px,2vw,24px);font-weight:800;color:var(--orange);
  letter-spacing:-.3px;line-height:1.3;
}
.glass-stats .stat-num em{font-style:normal;font-size:13px;font-weight:600;color:var(--text-2);margin-left:3px}
.glass-stats .stat-lb{display:block;font-size:12.5px;color:var(--text-2);letter-spacing:.4px;margin-top:4px}

/* ============ Section basics ============ */
.sec{padding:var(--gap-sec) 0;position:relative;background:var(--bg)}
.sec-alt{background:var(--bg-alt)}
.sec-alt2{background:var(--bg-alt2)}
.sec-head{margin-bottom:36px;max-width:760px}
.sec-head h2{
  font-size:var(--fs-h2);font-weight:700;line-height:1.3;position:relative;padding-top:14px;
}
.sec-head h2::before{
  content:"";position:absolute;top:0;left:0;width:46px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--cyan),rgba(31,224,192,.15));
}
.sec-head p{color:var(--text-2);margin-top:12px;font-size:15.5px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}

/* ============ Steps bar ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);overflow:hidden}
.step{position:relative;padding:30px 28px;border-left:1px solid var(--line-2);transition:background-color .2s ease}
.step:first-child{border-left:0}
.step:hover{background:rgba(31,224,192,.05)}
.step .step-idx{
  font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--orange);
  letter-spacing:-1px;display:block;margin-bottom:10px;
}
.step h3{font-size:var(--fs-h3);font-weight:700;margin-bottom:8px}
.step p{color:var(--text-2);font-size:15px}
.step .step-line{position:absolute;top:44px;right:-1px;width:22px;height:1px;background:var(--line)}

/* ============ Pills ============ */
.faq-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.pill{
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  border-radius:var(--r-pill);padding:8px 17px;font-size:14px;cursor:pointer;
  transition:all .2s ease;
}
.pill:hover{border-color:rgba(31,224,192,.5);color:var(--text)}
.pill.active{background:rgba(31,224,192,.12);border-color:var(--cyan);color:var(--cyan);font-weight:600}

/* ============ Accordion ============ */
.acc .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card);
  transition:border-color .2s ease,transform .2s ease;
}
.acc .accordion-item:hover{border-color:rgba(31,224,192,.32)}
.acc .accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:16px;line-height:1.6;
  padding:20px 22px;display:flex;align-items:center;gap:14px;box-shadow:none;border:0;
}
.acc .accordion-button:not(.collapsed){color:var(--cyan);background:transparent}
.acc .accordion-button::after{display:none}
.acc .accordion-button:focus{box-shadow:0 0 0 2px rgba(31,224,192,.45) inset;z-index:3}
.acc .tag-cat{
  font-size:11.5px;letter-spacing:.5px;color:var(--text-2);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:3px 10px;flex:0 0 auto;font-weight:500;
}
.acc .acc-icon{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(31,224,192,.5);color:var(--cyan);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:background-color .2s ease,transform .2s ease;
}
.acc .acc-icon::before{content:"+"}
.acc .accordion-button:not(.collapsed) .acc-icon{background:rgba(31,224,192,.14);transform:rotate(180deg)}
.acc .accordion-button:not(.collapsed) .acc-icon::before{content:"−"}
.acc .accordion-body{
  background:rgba(255,255,255,.03);border-top:1px solid var(--line-2);
  color:var(--text-2);font-size:15px;padding:20px 22px 22px;
}
.acc .accordion-body strong{color:var(--text);font-weight:600}
.acc .accordion-body ul{margin-top:10px}
.acc .accordion-body li{position:relative;padding-left:16px;margin-bottom:6px}
.acc .accordion-body li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--cyan);
}

/* ============ Side card ============ */
.side-col{position:sticky;top:96px}
.glass-card{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,var(--sh-card);
  border-radius:var(--r-hero);padding:26px 24px;
}
.glass-card .side-title{font-size:18px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.glass-card .side-title i{color:var(--cyan)}
.glass-card p{color:var(--text-2);font-size:14.5px;margin-bottom:16px}
.side-list li{
  display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2);
  padding:10px 0;border-top:1px solid var(--line-2);
}
.side-list li:first-child{border-top:0}
.side-list li b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.w-100{width:100%}

/* ============ Resource cards ============ */
.res-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-card);height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease;
}
.res-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.4)}
.res-card .res-img{aspect-ratio:16/9;overflow:hidden;border-radius:0;border:0;border-bottom:1px solid var(--line-2)}
.res-card .res-img img{width:100%;height:100%;object-fit:cover;border-radius:0;border:0;transition:transform .3s ease}
.res-card:hover .res-img img{transform:scale(1.04)}
.res-card .res-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.res-card h3{font-size:var(--fs-h3);font-weight:700}
.res-card p{color:var(--text-2);font-size:15px}
.res-card .res-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line-2);font-size:13px;color:var(--text-3)}
.res-card .res-foot i{color:var(--cyan);transition:transform .2s ease}
.res-card:hover .res-foot i{transform:translateX(4px)}
.res-list{margin-top:26px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--card)}
.res-list a{
  display:flex;align-items:center;gap:14px;padding:16px 22px;border-top:1px solid var(--line-2);
  color:var(--text);font-size:15px;transition:background-color .2s ease;
}
.res-list a:first-child{border-top:0}
.res-list a:hover{background:rgba(31,224,192,.06);color:var(--text)}
.res-list a .rl-tag{
  font-size:11.5px;letter-spacing:.5px;color:var(--cyan);border:1px solid rgba(31,224,192,.4);
  background:rgba(31,224,192,.1);border-radius:var(--r-pill);padding:3px 10px;flex:0 0 auto;
}
.res-list a .rl-arrow{margin-left:auto;color:var(--text-3);transition:transform .2s ease,color .2s ease}
.res-list a:hover .rl-arrow{transform:translateX(4px);color:var(--cyan)}

/* ============ Form ============ */
.form-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-hero);
  box-shadow:var(--sh-card);padding:34px 32px;
}
.form-label{display:block;font-size:13.5px;color:var(--text-2);letter-spacing:.4px;margin-bottom:8px}
.form-control,.form-select{
  width:100%;background:#0A1424;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text);padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--cyan);background:#0B1728;
  box-shadow:0 0 0 3px rgba(31,224,192,.16);color:var(--text);
}
.form-select option{background:#0B1728;color:var(--text)}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:10px;line-height:1.7}
.form-note{display:flex;flex-wrap:wrap;gap:18px;margin-top:8px}
.form-note span{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:7px}
.form-note i{color:var(--cyan)}
.field-err{font-size:12px;color:var(--err);margin-top:6px;display:none}
.is-invalid{border-color:var(--err)!important;box-shadow:0 0 0 3px rgba(255,77,79,.15)!important}
.contact-side h2{font-size:var(--fs-h2);font-weight:700;position:relative;padding-top:14px;margin-bottom:16px}
.contact-side h2::before{
  content:"";position:absolute;top:0;left:0;width:46px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--cyan),rgba(31,224,192,.15));
}
.contact-side p{color:var(--text-2);font-size:15.5px}
.contact-meta{margin-top:24px;display:grid;gap:12px}
.contact-meta div{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2);
  background:rgba(255,255,255,.03);border:1px solid var(--line-2);border-radius:12px;padding:14px 16px;
}
.contact-meta i{color:var(--cyan);margin-top:4px}

/* ============ CTA band ============ */
.cta-band{
  background:linear-gradient(135deg,rgba(31,224,192,.1),rgba(255,106,43,.1));
  border:1px solid var(--line);border-radius:var(--r-hero);
  padding:38px 36px;display:flex;align-items:center;gap:28px;justify-content:space-between;flex-wrap:wrap;
  box-shadow:var(--sh-card);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ Footer ============ */
.site-footer{
  background:var(--bg-alt2);border-top:1px solid var(--line);padding:72px 0 26px;position:relative;z-index:2;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:40px}
.foot-title{font-size:14px;font-weight:700;letter-spacing:.5px;color:var(--text);margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--text-2);font-size:14.5px}
.foot-links a:hover{color:var(--cyan)}
.foot-text{color:var(--text-2);font-size:14px;line-height:1.8}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--cyan)}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1.2fr;row-gap:34px}
}
@media (max-width:991.98px){
  :root{--gap-sec:64px}
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:290px;z-index:1200;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:#081019;border-left:1px solid var(--line);
    padding:92px 22px 32px;transform:translateX(102%);
    transition:transform .22s ease;box-shadow:-20px 0 40px rgba(0,0,0,.5);
  }
  body.nav-open .nav-menu{transform:translateX(0)}
  .nav-menu a{padding:13px 14px;border-radius:12px;font-size:15.5px}
  .nav-menu a.active::after{display:none}
  .header-actions .status-badge{display:none}
  .steps{grid-template-columns:1fr}
  .step{border-left:0;border-top:1px solid var(--line-2)}
  .step:first-child{border-top:0}
  .side-col{position:static}
  .cta-band{padding:30px 24px}
}
@media (max-width:767.98px){
  :root{--gap-sec:48px}
  .wrap{padding:0 16px}
  body{font-size:15.5px}
  .page-hero{padding:118px 0 52px}
  .hero-sub{font-size:16px}
  .glass-stats{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .glass-stats .stat{min-width:150px}
  .form-panel{padding:24px 18px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;gap:8px}
  .sec-head-row{margin-bottom:26px}
}
@media (max-width:575.98px){
  body::after{display:none}
  .page-hero h1{font-size:clamp(26px,7.4vw,32px)}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-ghost{width:100%}
  .acc .accordion-button{font-size:15px;padding:16px 16px}
  .acc .tag-cat{display:none}
  .acc .accordion-body{padding:16px 16px 18px}
}