/* roulang page: index */
:root{
  --bg:#080B0E;
  --surface:#11171C;
  --surface-2:#161E24;
  --primary:#1FE0B5;
  --primary-dim:rgba(31,224,181,.12);
  --accent:#FFB45C;
  --text:#E9F3F0;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-strong:rgba(31,224,181,.42);
  --danger:#FF5D7A;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-soft:0 8px 24px rgba(0,0,0,.24);
  --container:1200px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(31,224,181,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,181,.032) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#6BF3D4;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.28;letter-spacing:.01em;color:var(--text);}
h1{font-size:clamp(2.1rem,4vw,3.5rem);}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:rgba(17,23,28,.6);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(31,224,181,.7);}
.section-sub{color:var(--muted);font-size:1.0625rem;line-height:1.85;margin:0;}
.lead{color:var(--muted);font-size:1.0625rem;}

/* 导航 */
.site-header{
  position:relative;z-index:40;
  background:rgba(8,11,14,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.0625rem;color:var(--text);letter-spacing:.01em;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary),#0B8C72);
  box-shadow:0 0 16px rgba(31,224,181,.45);
  display:grid;place-items:center;color:#04120F;font-size:.8125rem;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:.9375rem;color:#C7D5D1;font-weight:500;transition:.2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(31,224,181,.08);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(31,224,181,.85);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:.9375rem;font-weight:700;line-height:1.2;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-primary{background:var(--primary);color:#04120F;box-shadow:0 6px 20px rgba(31,224,181,.22);}
.btn-primary:hover{background:#4BF0CC;color:#04120F;transform:translateY(-1px);box-shadow:0 10px 28px rgba(31,224,181,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(31,224,181,.1);color:#6BF3D4;transform:translateY(-1px);}
.btn-quiet{background:var(--surface-2);color:var(--text);border-color:rgba(255,255,255,.08);}
.btn-quiet:hover{background:#1C262D;color:var(--text);border-color:var(--line-strong);}
.btn-nav{padding:10px 18px;font-size:.875rem;}
.btn-block{display:flex;width:100%;}
.menu-toggle{
  display:none;background:var(--surface-2);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:8px 12px;font-size:1.125rem;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--line-strong);color:var(--primary);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  background-image:linear-gradient(100deg,rgba(8,11,14,.96) 0%,rgba(8,11,14,.86) 46%,rgba(8,11,14,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,181,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;min-height:560px;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 .hl{color:var(--primary);text-shadow:0 0 26px rgba(31,224,181,.35);}
.hero-sub{color:#B9C8C4;font-size:1.0625rem;line-height:1.85;max-width:32em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(22,30,36,.7);color:#C7D5D1;font-size:.8125rem;font-weight:500;
}
.badge i{color:var(--primary);font-size:.75rem;}
.hero-card{
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:18px;
  padding:26px;
  box-shadow:var(--shadow);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hero-card-head h2{font-size:1.0625rem;margin:0;font-weight:700;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:.75rem;font-weight:600;
  background:rgba(255,180,92,.12);color:var(--accent);border:1px solid rgba(255,180,92,.3);
}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.07);
  font-size:.9375rem;color:#CBD9D5;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list .ck{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  background:var(--primary-dim);color:var(--primary);
  display:grid;place-items:center;font-size:.7rem;margin-top:3px;
}
.hero-card-foot{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.06);font-size:.8125rem;color:var(--muted);}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:.22s ease;
}
.pain-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
.pain-num{
  display:inline-block;font-size:.8125rem;font-weight:800;letter-spacing:.1em;
  color:var(--primary);margin-bottom:12px;
}
.pain-card h3{font-size:1.0625rem;margin-bottom:8px;}
.pain-card p{color:var(--muted);font-size:.9375rem;line-height:1.8;margin:0;}

/* 方案卡 */
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:12px;transition:.22s ease;
}
.plan-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
.plan-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-dim);color:var(--primary);font-size:1.0625rem;
}
.plan-card h3{font-size:1.125rem;margin:0;}
.plan-card p{color:var(--muted);font-size:.9375rem;margin:0;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.text-link{display:inline-flex;align-items:center;gap:7px;font-size:.875rem;font-weight:700;color:var(--primary);margin-top:2px;}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}
.plan-wide{
  grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
  background:linear-gradient(120deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-strong);border-radius:var(--radius);padding:28px;
}
.plan-wide img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.plan-wide h3{font-size:1.25rem;margin-bottom:10px;}
.plan-wide p{color:var(--muted);font-size:.9375rem;margin-bottom:16px;}

/* 数据 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.stat{background:var(--surface);padding:28px 22px;}
.stat b{display:block;font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:800;color:var(--primary);line-height:1.2;letter-spacing:.02em;}
.stat span{display:block;margin-top:6px;font-size:.875rem;color:var(--muted);}

/* CTA 带 */
.cta-band{
  background:linear-gradient(115deg,rgba(31,224,181,.10),rgba(17,23,28,.9) 55%);
  border:1px solid var(--line-strong);border-radius:18px;
  padding:40px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:8px;}
.cta-band p{color:var(--muted);margin:0;max-width:46em;font-size:.9375rem;}
.privacy-note{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:20px;padding:16px 20px;
  background:rgba(22,30,36,.65);border-radius:12px;
  border-left:3px solid var(--primary);
  font-size:.8125rem;color:var(--muted);line-height:1.75;
}
.privacy-note i{color:var(--primary);margin-top:4px;}

/* 最新信息 */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.22s ease;display:flex;flex-direction:column;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
.news-thumb{display:block;overflow:hidden;background:var(--surface-2);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.8125rem;color:var(--muted);}
.pill{
  display:inline-flex;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600;
  background:var(--primary-dim);color:var(--primary);border:1px solid rgba(31,224,181,.28);
}
.news-card h3{font-size:1.125rem;margin:0;line-height:1.5;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--primary);}
.news-card .excerpt{color:var(--muted);font-size:.9375rem;line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card--lead{grid-column:1 / -1;display:grid;grid-template-columns:42% 1fr;align-items:stretch;}
.news-card--lead .news-thumb{height:100%;}
.news-card--lead .news-thumb img{height:100%;aspect-ratio:auto;min-height:230px;}
.news-card--lead .news-body{padding:28px;justify-content:center;}
.news-card--lead h3{font-size:1.375rem;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:48px 28px;text-align:center;background:rgba(17,23,28,.5);
}
.empty-state p{color:var(--muted);margin-bottom:18px;}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion-item{
  background:var(--surface-2) !important;
  border:1px solid var(--line) !important;
  border-radius:12px !important;
  margin-bottom:14px;overflow:hidden;transition:.2s ease;
}
.accordion-item:hover{border-color:var(--line-strong) !important;}
.accordion-item.is-active{border-left:3px solid var(--primary) !important;box-shadow:var(--shadow-soft);}
.accordion-title{
  font-size:1rem !important;font-weight:600 !important;color:var(--text) !important;
  padding:18px 52px 18px 20px !important;border:0 !important;background:transparent !important;
  line-height:1.6;transition:color .2s ease;
}
.accordion-title:hover{color:var(--primary) !important;background:transparent !important;}
.accordion-title::before{
  content:"+" !important;position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:1.25rem;font-weight:700;background:none;width:auto;height:auto;margin:0;
}
.accordion-item.is-active .accordion-title::before{content:"−" !important;}
.accordion-content{padding:0 20px 20px !important;background:transparent !important;border:0 !important;color:var(--muted);}
.accordion-content p{font-size:.95rem;line-height:1.85;color:var(--muted);margin:0;}

/* 弹层表单 */
.reveal{
  background:var(--surface) !important;border:1px solid var(--line-strong) !important;
  border-radius:18px !important;box-shadow:var(--shadow) !important;color:var(--text);
}
.reveal-overlay{background:rgba(0,0,0,.72) !important;}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;}
.modal-head h3{margin:0 0 6px;font-size:1.25rem;}
.modal-head p{color:var(--muted);font-size:.875rem;margin:0;}
.close-button{
  position:static !important;color:var(--muted) !important;font-size:1.5rem;line-height:1;
  background:transparent;border:0;cursor:pointer;padding:4px 8px;border-radius:8px;
}
.close-button:hover{color:var(--accent) !important;background:rgba(255,180,92,.1);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.875rem;font-weight:600;color:#CBD9D5;margin-bottom:8px;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;background:#0C1216;border:1px solid rgba(255,255,255,.1);border-radius:10px;
  color:var(--text);font-family:var(--font);font-size:.9375rem;padding:11px 14px;
  transition:.18s ease;box-shadow:none;margin:0;height:auto;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,181,.14);outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:#5E6E6B;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:.8125rem;color:var(--muted);line-height:1.7;}
.check-row input[type="checkbox"]{margin-top:5px;accent-color:var(--primary);}
.check-row a{color:var(--primary);text-decoration:underline;}

/* 页脚 */
.site-footer{
  background:#05080A;border-top:1px solid var(--line);
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{color:var(--muted);font-size:.875rem;line-height:1.85;max-width:26em;}
.footer-col h4{font-size:.9375rem;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:.875rem;}
.footer-col a:hover{color:var(--primary);}
.footer-col .fnote{color:var(--muted);font-size:.875rem;line-height:1.8;margin:0 0 12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:#6E807C;font-size:.8125rem;
}

/* 响应式 */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .btn-nav{display:none;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .section{padding:64px 0;}
  .pain-grid,.plan-grid,.news-grid{grid-template-columns:1fr;}
  .plan-wide{grid-template-columns:1fr;}
  .news-card--lead{grid-template-columns:1fr;}
  .news-card--lead .news-thumb img{min-height:0;aspect-ratio:16/9;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  .nav-inner{padding:0 18px;height:62px;}
  .brand{font-size:.9375rem;}
  .hero-copy h1{font-size:2rem;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px;}
  .hero-card{padding:20px;}
  .reveal{width:100% !important;height:100% !important;max-width:none;top:0 !important;left:0 !important;border-radius:0 !important;overflow-y:auto;padding:24px;}
}
@media screen and (max-width:400px){
  .badge{font-size:.75rem;padding:5px 11px;}
  .news-body{padding:18px;}
}
/* Off-canvas */
.off-canvas{background:#0B1014 !important;border-left:1px solid var(--line-strong);}
.off-canvas .menu{padding:20px;}
.off-canvas .menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.off-canvas .menu-head .brand{font-size:.9375rem;}
.off-canvas .oc-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:10px;color:#C7D5D1;font-size:.9375rem;font-weight:500;
  border-left:3px solid transparent;margin-bottom:4px;
}
.off-canvas .oc-link:hover{background:rgba(31,224,181,.08);color:var(--text);}
.off-canvas .oc-link.is-active{color:var(--primary);border-left-color:var(--primary);background:rgba(31,224,181,.08);}
.off-canvas .btn{margin-top:18px;}

/* roulang page: article */
:root{
  --bg:#080B0E;
  --surface:#11171C;
  --surface-2:#161E24;
  --surface-3:#0C1216;
  --primary:#1FE0B5;
  --primary-soft:rgba(31,224,181,.12);
  --accent:#FFB45C;
  --text:#E9F3F0;
  --text-strong:#FFFFFF;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-soft:rgba(233,243,240,.08);
  --danger:#FF5D7A;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-hi:0 24px 64px rgba(0,0,0,.48);
  --container:1200px;
  --reading:820px;
}
*,*::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:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:#5CF0D2}
p{margin:0 0 1em}
h1,h2,h3,h4,h5,h6{margin:0 0 .5em;font-weight:800;line-height:1.3;color:var(--text-strong)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.site-bg{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(31,224,181,.10), transparent 44%),
    radial-gradient(circle at 92% 2%, rgba(255,180,92,.07), transparent 40%),
    linear-gradient(rgba(31,224,181,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,224,181,.045) 1px, transparent 1px);
  background-size:auto,auto,58px 58px,58px 58px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row .column,.row .columns{padding-left:12px;padding-right:12px}
/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(8,11,14,.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.0625rem;font-weight:800;letter-spacing:.01em;
  color:var(--text-strong);white-space:nowrap;
}
.brand:hover{color:var(--text-strong)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#1FE0B5,#0EA98A);
  color:#04140F;font-size:.8125rem;font-weight:800;letter-spacing:.04em;
  box-shadow:0 0 0 1px rgba(31,224,181,.35),0 8px 20px rgba(31,224,181,.20);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  color:var(--muted);font-size:.9375rem;font-weight:500;transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--text-strong);background:rgba(31,224,181,.08)}
.nav-link.is-active{color:var(--text-strong)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(31,224,181,.85);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;cursor:pointer;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);
  font-size:1.05rem;line-height:1;
}
.nav-toggle:hover{background:#1B252C}
.mobile-drawer{
  position:fixed;inset:68px 0 0 0;z-index:85;
  background:#0A1014;border-top:1px solid var(--line);
  padding:22px 24px 40px;overflow-y:auto;
  transform:translateX(100%);visibility:hidden;transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:none;visibility:visible}
.mobile-drawer .nav-link{
  display:block;padding:14px 16px;margin-bottom:6px;border-radius:12px;
  font-size:1rem;color:var(--text);background:var(--surface);
  border:1px solid var(--line-soft);border-left:3px solid transparent;
}
.mobile-drawer .nav-link.is-active{border-left-color:var(--primary);background:var(--surface-2)}
.mobile-drawer .btn{width:100%;margin-top:14px}
/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:700;line-height:1.25;text-align:center;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#04140F;box-shadow:0 10px 26px rgba(31,224,181,.22)}
.btn-primary:hover{background:#39F2C8;color:#04140F;transform:translateY(-1px);box-shadow:0 14px 34px rgba(31,224,181,.34)}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(31,224,181,.45)}
.btn-ghost:hover{background:rgba(31,224,181,.10);color:#5CF0D2;transform:translateY(-1px)}
.btn-soft{background:var(--surface-2);color:var(--text);border-color:var(--line)}
.btn-soft:hover{background:#1B252C;color:var(--text-strong);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:.875rem}
.btn-block{width:100%}
/* ============ article head ============ */
.article-head{
  position:relative;overflow:hidden;
  background:#0A1014 url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,11,14,.88) 0%,rgba(8,11,14,.93) 58%,var(--bg) 100%);
}
.article-head .container{position:relative;z-index:1}
.article-head-inner{padding:26px 0 48px;max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:24px 0 0;font-size:.8125rem;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:rgba(154,168,165,.55)}
.breadcrumb .current{color:var(--text)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:.8125rem;font-weight:700;letter-spacing:.02em;
  color:var(--accent);background:rgba(255,180,92,.10);
  border:1px solid rgba(255,180,92,.35);
}
.article-title{
  margin:18px 0 18px;
  font-size:clamp(2.1rem,3.6vw,3.05rem);
  font-weight:800;line-height:1.22;letter-spacing:-.01em;
  color:var(--text-strong);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:.875rem;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(154,168,165,.6)}
/* ============ article shell ============ */
.article-shell{
  display:grid;grid-template-columns:248px minmax(0,1fr);
  gap:44px;align-items:start;
  padding:52px 0 24px;
}
.article-aside{position:sticky;top:96px}
.toc{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 18px;box-shadow:var(--shadow);
}
.toc-title{
  margin:0 0 12px;font-size:.9375rem;font-weight:800;color:var(--text-strong);
  letter-spacing:.03em;display:flex;align-items:center;justify-content:space-between;
}
.toc-title::after{content:"›";color:var(--primary);font-size:1.05rem;transform:rotate(90deg);transition:transform .2s;display:none}
.toc-list{counter-reset:toc;font-size:.875rem}
.toc-list li{margin:0 0 2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;color:var(--muted);
  border-left:2px solid transparent;line-height:1.5;
  transition:color .16s,background .16s,border-color .16s;
}
.toc-list a:hover{color:var(--text-strong);background:var(--surface-2);border-left-color:var(--primary)}
.toc-list .toc-sub a{padding-left:22px;font-size:.8125rem;color:rgba(154,168,165,.8)}
.toc-empty{margin:0;font-size:.8125rem;color:rgba(154,168,165,.75);line-height:1.7}
/* ============ article body ============ */
.article-main{min-width:0;max-width:var(--reading)}
.article-body{
  font-size:1.0625rem;line-height:1.9;color:#DAE7E3;
  max-width:var(--reading);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(1.4rem,2.2vw,1.72rem);
  margin:2em 0 .75em;padding-left:14px;position:relative;
  color:var(--text-strong);scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(31,224,181,.6);
}
.article-body h3{font-size:1.25rem;margin:1.7em 0 .6em;color:var(--text-strong);scroll-margin-top:96px}
.article-body h4{font-size:1.0625rem;margin:1.5em 0 .5em;color:var(--text-strong)}
.article-body p{margin:0 0 1em}
.article-body strong{color:var(--text-strong);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin:.4em 0}
.article-body ol li{list-style:decimal;margin:.4em 0}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:1.7em 0;padding:16px 22px;
  background:var(--surface-2);border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;color:#C6D8D3;font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;border:1px solid var(--line);margin:1.5em 0;width:100%;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:.8125rem;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#5CF0D2}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:2.2em 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem;
  display:block;overflow-x:auto;white-space:nowrap;
  border:1px solid var(--line);border-radius:12px;
}
.article-body thead th{
  background:rgba(31,224,181,.10);color:var(--text-strong);
  font-weight:700;text-align:left;padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--line-soft);color:#C9DAD6}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  background:var(--surface-2);border:1px solid var(--line-soft);
  padding:2px 7px;border-radius:6px;font-size:.9em;color:var(--accent);
}
/* empty state */
.empty-state{
  border:1px dashed rgba(31,224,181,.40);border-radius:var(--radius);
  background:var(--surface);padding:44px 28px;text-align:center;
}
.empty-state h2{font-size:1.375rem;margin:0 0 10px}
.empty-state p{color:var(--muted);font-size:.9375rem;max-width:460px;margin:0 auto 22px}
/* ============ related ============ */
.related-section{padding:28px 0 8px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:26px}
.section-head h2{margin:0;font-size:clamp(1.4rem,2.2vw,1.75rem)}
.section-head .section-note{font-size:.875rem;color:var(--muted);margin:0}
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(31,224,181,.45);box-shadow:var(--shadow-hi)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,11,14,0) 40%,rgba(8,11,14,.72) 100%)}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.related-tag{font-size:.75rem;font-weight:700;letter-spacing:.06em;color:var(--accent);text-transform:uppercase}
.related-body h3{font-size:1.0625rem;margin:0;line-height:1.5}
.related-body h3 a{color:var(--text-strong)}
.related-body h3 a:hover{color:var(--primary)}
.related-body p{margin:0;font-size:.875rem;color:var(--muted);line-height:1.7}
.related-more{margin-top:auto;padding-top:8px;font-size:.8125rem;color:var(--muted)}
/* ============ back entry ============ */
.back-actions{display:flex;flex-wrap:wrap;gap:12px;margin:36px 0 0;padding-top:28px;border-top:1px solid var(--line-soft)}
/* ============ cta band ============ */
.cta-band{
  margin:56px 0 0;
  background:linear-gradient(120deg,rgba(31,224,181,.10),rgba(255,180,92,.06)),var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  box-shadow:var(--shadow);
}
.cta-band h2{margin:0 0 8px;font-size:clamp(1.3rem,2vw,1.6rem)}
.cta-band p{margin:0;color:var(--muted);font-size:.9375rem;max-width:640px}
.privacy-note{
  margin:18px 0 0;padding:14px 18px;
  border-left:3px solid var(--primary);
  background:rgba(31,224,181,.05);border-radius:0 10px 10px 0;
  font-size:.8125rem;line-height:1.75;color:var(--muted);
}
.privacy-note a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
/* ============ footer ============ */
.site-footer{
  margin-top:84px;padding:64px 0 0;
  background:var(--surface-3);border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:.875rem;line-height:1.8;max-width:340px;margin:0}
.footer-col h4{font-size:.9375rem;margin:0 0 14px;color:var(--text-strong);letter-spacing:.02em}
.footer-col ul li{margin:0 0 2px}
.footer-col ul a{
  display:inline-block;padding:5px 0;font-size:.875rem;color:var(--muted);
}
.footer-col ul a:hover{color:var(--primary)}
.fnote{font-size:.8125rem;color:var(--muted);line-height:1.8;margin:0 0 14px}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:rgba(154,168,165,.8);
}
/* ============ modal ============ */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.modal.is-open{display:flex}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.72);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.modal-panel{
  position:relative;z-index:1;width:100%;max-width:640px;max-height:88vh;overflow-y:auto;
  background:var(--surface);border:1px solid rgba(31,224,181,.35);
  border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-hi);
}
.modal-close{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--line-soft);color:var(--text);
  font-size:1.1rem;line-height:1;cursor:pointer;transition:background .18s,color .18s;
}
.modal-close:hover{background:#1E2A31;color:var(--primary)}
.modal-panel h2{font-size:1.375rem;margin:0 0 8px}
.modal-sub{font-size:.875rem;color:var(--muted);margin:0 0 22px;line-height:1.7}
.field{margin-bottom:16px}
.field label{display:block;font-size:.8125rem;font-weight:700;color:var(--text);margin-bottom:7px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:var(--radius-sm);
  background:var(--surface-2);border:1px solid var(--line-soft);
  color:var(--text);font-size:.9375rem;line-height:1.5;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,168,165,.7)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,181,.16);background:#182229;
}
.field input.is-error,.field textarea.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,93,122,.14)}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) center,calc(100% - 14px) center;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;color:var(--muted);line-height:1.7;margin:6px 0 20px}
.checkline input{margin-top:4px;width:16px;height:16px;accent-color:var(--primary);flex:none}
.form-tip{margin:12px 0 0;font-size:.8125rem;color:var(--primary);min-height:1em}
.form-tip.is-error{color:var(--danger)}
/* ============ responsive ============ */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .article-shell{grid-template-columns:1fr;gap:26px;padding-top:36px}
  .article-aside{position:static;top:auto}
  .toc{padding:16px 18px}
  .toc-title::after{display:block}
  .toc-title{cursor:pointer;margin-bottom:0}
  .toc.is-open .toc-title{margin-bottom:12px}
  .toc.is-open .toc-title::after{transform:rotate(-90deg)}
  .toc .toc-list,.toc .toc-empty{display:none}
  .toc.is-open .toc-list,.toc.is-open .toc-empty{display:block}
  .toc-empty{margin-top:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (min-width:1025px){
  .mobile-drawer{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-inner{height:62px;gap:12px}
  .mobile-drawer{top:62px}
  .brand{font-size:1rem}
  .brand-mark{width:28px;height:28px;border-radius:9px;font-size:.75rem}
  .article-head-inner{padding:16px 0 36px}
  .article-title{font-size:clamp(1.75rem,6vw,2.35rem);margin:14px 0}
  .article-body{font-size:1rem;line-height:1.85}
  .article-shell{padding-top:28px}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .related-grid .column{flex:0 0 100%;max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .site-footer{padding-top:48px;margin-top:60px}
  .modal{padding:0}
  .modal-panel{max-width:none;width:100%;height:100%;max-height:100%;border-radius:0;padding:26px 20px 40px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .back-actions .btn{width:100%}
  .article-body h2{padding-left:12px}
}

/* roulang page: category1 */
:root{
  --bg:#080B0E;
  --surface-1:#11171C;
  --surface-2:#161E24;
  --primary:#1FE0B5;
  --accent:#FFB45C;
  --text:#E9F3F0;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-strong:rgba(31,224,181,.42);
  --danger:#FF5D7A;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-hover:0 24px 60px rgba(0,0,0,.5);
  --container:1200px;
  --narrow:820px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(31,224,181,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,181,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#63f3d3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{
  margin:0;
  font-weight:800;
  line-height:1.35;
  letter-spacing:.01em;
  color:var(--text);
}
h1{font-size:clamp(2.1rem,4vw,3.5rem);line-height:1.24;}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem);}
h3{font-size:1.25rem;font-weight:700;}
h4{font-size:1rem;font-weight:700;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
li{margin-bottom:.45em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.narrow{max-width:var(--narrow);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:13px 26px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-size:.95rem;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#04211A;
  border-color:var(--primary);
  box-shadow:0 10px 26px rgba(31,224,181,.18);
}
.btn-primary:hover,.btn-primary:focus{
  background:#63f3d3;
  color:#04211A;
  box-shadow:0 14px 34px rgba(31,224,181,.36);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:var(--line-strong);
}
.btn-ghost:hover,.btn-ghost:focus{
  background:rgba(31,224,181,.1);
  color:var(--primary);
  border-color:var(--primary);
  transform:translateY(-1px);
}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  color:var(--primary);
  font-weight:700;
  font-size:.95rem;
  padding:0;
  border:none;
  background:none;
}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover i{transform:translateX(4px);}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:.45em;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(31,224,181,.07);
  color:var(--primary);
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.02em;
}
.badge-accent{
  border-color:rgba(255,180,92,.35);
  background:rgba(255,180,92,.1);
  color:var(--accent);
}
.badge-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,11,14,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.0625rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--primary),#0f9f80);
  color:#04211A;
  font-size:.8125rem;
  font-weight:900;
  letter-spacing:.04em;
  box-shadow:0 0 18px rgba(31,224,181,.35);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:8px;
  color:var(--muted);
  font-size:.9375rem;
  font-weight:600;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(31,224,181,.07);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface-1);
  color:var(--text);
  font-size:1rem;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* 移动菜单 */
.off-canvas{
  background:var(--surface-1)!important;
  border-left:1px solid var(--line);
  width:300px;
}
.mobile-menu-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.mobile-menu-head .close-button{
  position:static;
  color:var(--muted);
  font-size:1.75rem;
  line-height:1;
}
.mobile-menu-head .close-button:hover{color:var(--primary);}
.mobile-nav{
  display:flex;
  flex-direction:column;
  padding:16px 12px;
  gap:4px;
}
.mobile-nav a{
  position:relative;
  display:block;
  padding:13px 16px;
  border-radius:10px;
  color:var(--muted);
  font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.mobile-nav a:hover{background:rgba(31,224,181,.08);color:var(--text);}
.mobile-nav a.is-active{color:var(--primary);background:rgba(31,224,181,.1);}
.mobile-nav a.is-active::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}
.mobile-menu-foot{padding:8px 20px 26px;}

/* ===== 面包屑 ===== */
.breadcrumb{
  padding:22px 0 0;
  font-size:.875rem;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ===== 内页 Hero ===== */
.page-hero{
  position:relative;
  padding:44px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(8,11,14,.72),rgba(8,11,14,.96)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.85;
  z-index:0;
}
.page-hero > .container{position:relative;z-index:2;}
.hero-tag{margin-bottom:20px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-title{max-width:900px;}
.hero-lead{
  max-width:720px;
  margin-top:18px;
  color:var(--muted);
  font-size:1.0625rem;
  line-height:1.85;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}
.hero-stat{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(17,23,28,.72);
  font-size:.8125rem;
  color:var(--muted);
  font-weight:500;
}
.hero-stat i{color:var(--primary);font-size:.8125rem;}

/* ===== 板块 ===== */
.section{
  padding:80px 0;
  position:relative;
  z-index:1;
}
.section-alt{background:linear-gradient(180deg,transparent,rgba(22,30,36,.55),transparent);}
.section-head{
  max-width:760px;
  margin-bottom:44px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--primary);
  border-radius:2px;
  box-shadow:0 0 10px var(--primary);
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:1rem;margin:0;}

/* ===== 卡片通用 ===== */
.card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:.9375rem;line-height:1.8;margin:0 0 16px;}
.card-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  border-radius:12px;
  background:rgba(31,224,181,.1);
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:1.05rem;
  margin-bottom:18px;
}

/* ===== 左文右清单 ===== */
.check-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:40px;
  align-items:start;
}
.check-copy h2{margin-bottom:18px;}
.check-copy p{color:var(--muted);}
.copy-list{
  list-style:none;
  padding:0;
  margin:26px 0 0;
  display:grid;
  gap:14px;
}
.copy-list li{
  position:relative;
  padding-left:34px;
  margin:0;
  color:var(--text);
  font-size:.95rem;
}
.copy-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:2px;
  width:22px;height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(31,224,181,.12);
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:.625rem;
}
.copy-list li span{color:var(--muted);display:block;font-size:.875rem;}

.check-card{
  background:var(--surface-2);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.check-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--primary),transparent);
}
.check-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:6px;
}
.check-card-head h3{font-size:1.125rem;}
.check-card-sub{
  color:var(--muted);
  font-size:.875rem;
  margin:0 0 20px;
}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:0;}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 0;
  margin:0;
  border-top:1px dashed rgba(31,224,181,.16);
}
.check-list li:first-child{border-top:none;padding-top:0;}
.check-box{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:2px;
  border-radius:6px;
  border:1px solid var(--line-strong);
  background:rgba(31,224,181,.12);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.625rem;
}
.check-text strong{
  display:block;
  font-size:.95rem;
  font-weight:700;
  margin-bottom:2px;
}
.check-text span{color:var(--muted);font-size:.8438rem;line-height:1.7;display:block;}
.check-foot{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.check-foot span{font-size:.8125rem;color:var(--muted);}

/* ===== 差异卡网格 2x2 ===== */
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.diff-card{position:relative;padding-top:22px;}
.diff-num{
  position:absolute;
  top:22px;right:24px;
  font-size:2rem;
  font-weight:900;
  color:rgba(31,224,181,.14);
  line-height:1;
  letter-spacing:-.02em;
}
.diff-card h3{padding-right:48px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(31,224,181,.06);
  color:var(--muted);
  font-size:.75rem;
  font-weight:600;
}
.tag.warn{
  border-color:rgba(255,180,92,.32);
  background:rgba(255,180,92,.09);
  color:var(--accent);
}

/* ===== 步骤时间线（横向） ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 24px 24px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow);}
.step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:10px;
  background:rgba(31,224,181,.1);
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-weight:900;
  font-size:.9375rem;
  margin-bottom:16px;
}
.step-card h3{font-size:1.0625rem;margin-bottom:10px;}
.step-card p{color:var(--muted);font-size:.9rem;margin:0;}
.step-line{
  position:absolute;
  top:46px;right:-14px;
  width:24px;height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.step-card:last-child .step-line{display:none;}

/* ===== 入口卡（带封面） ===== */
.entry-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.entry-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.entry-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.entry-card:hover .entry-media img{transform:scale(1.04);}
.entry-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,11,14,0) 40%,rgba(8,11,14,.65));
}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:1.0625rem;}
.entry-body p{color:var(--muted);font-size:.9rem;margin:0;flex:1;}
.entry-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:.8125rem;
  color:var(--muted);
  margin-top:4px;
}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;}
.accordion.faq-accordion{
  background:transparent;
  border:none;
  margin:0;
}
.faq-accordion .accordion-item{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-accordion .accordion-item:hover{border-color:var(--line-strong);}
.faq-accordion .accordion-item.is-active{
  border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(31,224,181,.14),0 14px 36px rgba(0,0,0,.35);
}
.faq-accordion .accordion-title{
  background:transparent;
  border:none;
  color:var(--text);
  font-size:1rem;
  font-weight:600;
  padding:18px 56px 18px 20px;
  line-height:1.6;
  transition:color .2s ease;
}
.faq-accordion .accordion-title:hover{color:var(--primary);background:transparent;}
.faq-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:1.375rem;
  font-weight:400;
  color:var(--primary);
  line-height:1;
  margin:0;
}
.faq-accordion .accordion-item.is-active .accordion-title{
  color:var(--primary);
  box-shadow:inset 3px 0 0 var(--primary);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\2212";}
.faq-accordion .accordion-content{
  background:transparent;
  border:none;
  padding:0 20px 20px;
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.8;
}
.faq-accordion .accordion-content p{margin:0;}

/* ===== CTA 带 ===== */
.cta-band{
  position:relative;
  border:1px solid var(--line-strong);
  border-radius:20px;
  padding:48px;
  background:
    radial-gradient(600px 240px at 88% 0%,rgba(31,224,181,.16),transparent 65%),
    var(--surface-2);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(90deg,rgba(31,224,181,.06) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.6;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:32px;
  align-items:center;
}
.cta-inner h2{margin-bottom:12px;}
.cta-inner p{color:var(--muted);margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* 隐私说明条 */
.privacy-note{
  margin-top:26px;
  display:flex;
  gap:14px;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(31,224,181,.05);
  border-radius:0 12px 12px 0;
  font-size:.8438rem;
  color:var(--muted);
  line-height:1.8;
}
.privacy-note i{color:var(--primary);margin-top:4px;}

/* ===== 弹层表单 ===== */
.reveal.modal-panel{
  width:640px;
  max-width:calc(100vw - 32px);
  border-radius:18px;
  background:var(--surface-1);
  border:1px solid var(--line-strong);
  box-shadow:0 30px 80px rgba(0,0,0,.6);
  padding:0;
  overflow:hidden;
}
.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:26px 28px 18px;
  border-bottom:1px solid var(--line);
}
.modal-head h3{font-size:1.1875rem;margin-bottom:6px;}
.modal-head p{color:var(--muted);font-size:.875rem;margin:0;}
.modal-head .close-button{
  position:static;
  color:var(--muted);
  font-size:1.75rem;
  line-height:1;
}
.modal-head .close-button:hover{color:var(--primary);}
.modal-body{padding:24px 28px 28px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:.875rem;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text);
}
.field .req{color:var(--accent);}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  padding:12px 14px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  color:var(--text);
  font-size:.9375rem;
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
  margin:0;
  height:auto;
  appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%239AA8A5' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,181,.16);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{
  border-color:var(--danger);
  box-shadow:0 0 0 3px rgba(255,93,122,.14);
}
.field .err-msg{
  display:none;
  color:var(--danger);
  font-size:.8125rem;
  margin-top:6px;
}
.field.has-error .err-msg{display:block;}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.8438rem;
  color:var(--muted);
  line-height:1.7;
}
.check-line input[type="checkbox"]{
  margin:4px 0 0;
  width:16px;height:16px;
  accent-color:var(--primary);
  flex:0 0 auto;
}
.form-tip{
  margin-top:16px;
  font-size:.8125rem;
  color:var(--muted);
  padding-left:12px;
  border-left:2px solid var(--line-strong);
}
.form-success{
  display:none;
  padding:16px 18px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(31,224,181,.08);
  color:var(--primary);
  font-size:.9rem;
  margin-bottom:18px;
}
.form-success.is-visible{display:block;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:0;
  background:#05080A;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  color:var(--muted);
  font-size:.875rem;
  line-height:1.8;
  max-width:340px;
  margin:0;
}
.footer-col h4{
  font-size:.875rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:var(--muted);
  font-size:.9rem;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--primary);}
.fnote{
  color:var(--muted);
  font-size:.8438rem;
  line-height:1.8;
  margin:0 0 16px;
}
.footer-bottom{
  border-top:1px solid rgba(31,224,181,.1);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:.8125rem;
  color:var(--muted);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:64px 0;}
  .check-layout{grid-template-columns:1fr;gap:32px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .step-line{display:none;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .page-hero{padding:32px 0 56px;}
  .hero-lead{font-size:1rem;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:32px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .card,.check-card{padding:22px;}
  .cta-band{padding:30px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .header-actions .btn-sm{display:none;}
  .check-foot{flex-direction:column;align-items:flex-start;}
  .reveal.modal-panel{
    width:100%;
    max-width:100%;
    height:100%;
    max-height:100%;
    border-radius:0;
    margin:0;
    overflow-y:auto;
  }
}
@media screen and (max-width:560px){
  h1{font-size:clamp(1.75rem,8vw,2.35rem);}
  .brand{font-size:1rem;}
  .brand-mark{width:30px;height:30px;font-size:.75rem;}
  .hero-stat{font-size:.75rem;padding:7px 12px;}
  .diff-num{font-size:1.5rem;top:20px;right:20px;}
  .privacy-note{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --bg:#080B0E;
  --surface:#11171C;
  --surface-2:#161E24;
  --surface-3:#1B242B;
  --primary:#1FE0B5;
  --accent:#FFB45C;
  --text:#E9F3F0;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-strong:rgba(31,224,181,.42);
  --danger:#FF5D7A;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-hover:0 24px 60px rgba(0,0,0,.5);
  --container:1200px;
  --narrow:820px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(31,224,181,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,181,.035) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  background-position:center top;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#6bf2d4;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text);letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.15em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.narrow{max-width:var(--narrow);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,11,14,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 30px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.0625rem;font-weight:800;color:var(--text);letter-spacing:.02em;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),#12967a);
  color:#04140F;font-size:.8rem;font-weight:800;letter-spacing:.04em;
  box-shadow:0 0 0 1px rgba(31,224,181,.5),0 6px 18px rgba(31,224,181,.22);
}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:8px;
  color:var(--muted);font-size:.9375rem;font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);background:rgba(31,224,181,.07);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 10px rgba(31,224,181,.9);
}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--radius-btn);
  background:var(--primary);color:#04140F;font-weight:700;font-size:.9375rem;
  border:1px solid var(--primary);cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;
}
.header-cta:hover{background:#4ff0c9;color:#04140F;transform:translateY(-1px);box-shadow:0 0 22px rgba(31,224,181,.4);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);box-shadow:0 -6px 0 var(--text),0 6px 0 var(--text);}

/* ---------- Off canvas ---------- */
.off-canvas{background:var(--surface);border-right:1px solid var(--line);}
.off-canvas .mobile-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.off-canvas .mobile-nav{padding:14px 12px;display:flex;flex-direction:column;gap:4px;}
.off-canvas .mobile-nav a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:500;
  border-left:3px solid transparent;
}
.off-canvas .mobile-nav a:hover{background:var(--surface-2);color:var(--text);}
.off-canvas .mobile-nav a.is-active{color:var(--primary);background:rgba(31,224,181,.08);border-left-color:var(--primary);}
.off-canvas .mobile-cta{padding:0 20px 24px;}
.close-button{color:var(--muted);}
.close-button:hover{color:var(--primary);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:700;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#04140F;border-color:var(--primary);}
.btn-primary:hover{background:#4ff0c9;color:#04140F;transform:translateY(-1px);box-shadow:0 0 24px rgba(31,224,181,.42);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(31,224,181,.1);color:var(--primary);border-color:var(--primary);transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;background:none;border:0;padding:0;cursor:pointer;font-size:.9375rem;}
.btn-text::after{content:"→";transition:transform .18s ease;}
.btn-text:hover::after{transform:translateX(4px);}
.btn-block{width:100%;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--muted);list-style:none;margin:0;padding:0;}
.breadcrumb li{margin:0;display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(154,168,165,.5);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--primary);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(8,11,14,.96) 0%,rgba(8,11,14,.88) 42%,rgba(8,11,14,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.9;z-index:0;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,181,.6),transparent);
  z-index:1;
}
.cat-hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;margin-bottom:18px;
  border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(31,224,181,.08);
  color:var(--primary);font-size:.8125rem;font-weight:600;letter-spacing:.04em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}
.cat-hero h1{
  font-size:clamp(2.1rem,4vw,3.5rem);
  font-weight:800;
  max-width:18em;
  margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{
  max-width:660px;color:var(--muted);font-size:1.0625rem;line-height:1.85;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(17,23,28,.78);
  color:var(--muted);font-size:.8125rem;
}
.badge-pill b{color:var(--primary);font-weight:700;}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,rgba(17,23,28,.72),rgba(8,11,14,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;font-size:1rem;}
.kicker{
  display:inline-block;margin-bottom:12px;
  font-size:.8125rem;font-weight:700;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;
}

/* ---------- Risk table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface);box-shadow:var(--shadow);
  overflow-x:auto;-webkit-overflow-scrolling:touch;
}
table.risk-table{
  width:100%;min-width:720px;border-collapse:collapse;margin:0;
  font-size:.9375rem;
}
table.risk-table thead th{
  background:rgba(31,224,181,.1);
  color:var(--primary);
  font-weight:700;text-align:left;
  padding:16px 20px;font-size:.875rem;letter-spacing:.04em;
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
table.risk-table tbody td{
  padding:16px 20px;color:var(--muted);
  border-bottom:1px solid rgba(31,224,181,.09);
  vertical-align:top;line-height:1.75;
}
table.risk-table tbody tr:nth-child(even) td{background:rgba(22,30,36,.72);}
table.risk-table tbody tr:last-child td{border-bottom:0;}
table.risk-table tbody tr:hover td{background:rgba(31,224,181,.06);}
table.risk-table td:first-child{color:var(--text);font-weight:600;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.03em;white-space:nowrap;
}
.tag-safe{background:rgba(31,224,181,.14);color:var(--primary);border:1px solid var(--line-strong);}
.tag-warn{background:rgba(255,180,92,.14);color:var(--accent);border:1px solid rgba(255,180,92,.42);}
.tag-risk{background:rgba(255,93,122,.13);color:var(--danger);border:1px solid rgba(255,93,122,.4);}

/* ---------- Tip cards ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tip-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.tip-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.tip-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,181,.1);border:1px solid var(--line-strong);
  color:var(--primary);font-weight:800;font-size:1rem;
}
.tip-card h3{font-size:1.125rem;}
.tip-card p{margin:0;color:var(--muted);font-size:.9375rem;line-height:1.8;}

/* ---------- Split feature ---------- */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.split-media{
  border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.split-media .media-tag{
  position:absolute;left:16px;top:16px;
  padding:6px 12px;border-radius:999px;
  background:rgba(8,11,14,.82);border:1px solid var(--line-strong);
  color:var(--primary);font-size:.75rem;font-weight:700;letter-spacing:.06em;
}
.check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px;}
.check-list li{
  position:relative;padding-left:30px;margin:0;color:var(--muted);font-size:.9375rem;line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.45em;
  width:16px;height:16px;border-radius:5px;
  border:1px solid var(--primary);
  background:rgba(31,224,181,.14);
  box-shadow:inset 0 0 0 3px var(--bg);
}
.check-list li b{color:var(--text);font-weight:600;}

/* ---------- Steps ---------- */
.step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 20px;position:relative;box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease;
}
.step-item:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;margin-bottom:14px;
  background:rgba(31,224,181,.12);border:1px solid var(--line-strong);
  color:var(--primary);font-weight:800;font-size:.9375rem;
}
.step-item h3{font-size:1.0625rem;margin-bottom:8px;}
.step-item p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
ul.accordion.faq-acc{
  background:transparent;border:0;margin:0;display:grid;gap:12px;
}
ul.accordion.faq-acc li.accordion-item{
  background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  list-style:none;margin:0;
}
ul.accordion.faq-acc li.accordion-item.is-active{
  border-color:var(--line-strong);
  box-shadow:inset 3px 0 0 0 var(--primary),0 12px 32px rgba(0,0,0,.35);
}
ul.accordion.faq-acc .accordion-title{
  padding:18px 52px 18px 22px;
  color:var(--text);font-size:1rem;font-weight:600;
  border:0;background:transparent;line-height:1.6;
  transition:color .18s ease;
}
ul.accordion.faq-acc .accordion-title:hover{color:var(--primary);background:rgba(31,224,181,.04);}
ul.accordion.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:1.35rem;font-weight:400;line-height:1;
  transition:transform .2s ease;
}
ul.accordion.faq-acc .accordion-item.is-active .accordion-title::before{
  content:"−";transform:translateY(-50%) rotate(180deg);
}
ul.accordion.faq-acc .accordion-content{
  padding:0 22px 20px;color:var(--muted);font-size:.95rem;line-height:1.85;
  border:0;background:transparent;
}
ul.accordion.faq-acc .accordion-content p:last-child{margin-bottom:0;}

/* ---------- Entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.entry-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,11,14,0) 40%,rgba(8,11,14,.75));}
.entry-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-card h3{font-size:1.0625rem;}
.entry-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.75;flex:1;}
.entry-card .meta{font-size:.8125rem;color:rgba(154,168,165,.72);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(31,224,181,.14),rgba(8,11,14,0) 58%),
    var(--surface);
  padding:44px 40px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.9rem);margin-bottom:12px;}
.cta-band p{color:var(--muted);margin:0;font-size:.95rem;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.privacy-note{
  margin-top:22px;padding:14px 18px;
  border-left:3px solid var(--primary);
  background:rgba(22,30,36,.6);border-radius:0 10px 10px 0;
  font-size:.8125rem;color:var(--muted);line-height:1.8;
}
.privacy-note a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}

/* ---------- Reveal modal ---------- */
.reveal-overlay{background:rgba(0,0,0,.72);}
.reveal.modal-panel{
  background:var(--surface);border:1px solid var(--line-strong);
  border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.6);
  padding:32px;width:100%;max-width:640px;outline:0;
}
.reveal.modal-panel h3{font-size:1.25rem;margin-bottom:8px;}
.reveal.modal-panel .modal-sub{color:var(--muted);font-size:.875rem;margin-bottom:22px;}
.reveal .close-button{position:absolute;top:16px;right:18px;color:var(--muted);font-size:1.6rem;line-height:1;}
.reveal .close-button:hover{color:var(--primary);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:7px;}
.field input[type=text],
.field input[type=tel],
.field input[type=email],
.field select,
.field textarea{
  width:100%;margin:0;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:10px;color:var(--text);
  padding:11px 14px;font-size:.9375rem;line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease;
  height:auto;box-shadow:none;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,168,165,.6);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,181,.16);outline:0;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--primary) 50%),linear-gradient(135deg,var(--primary) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:38px;}
.field-check{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px;}
.field-check input{width:18px;height:18px;margin:3px 0 0;accent-color:var(--primary);}
.field-check label{font-size:.8125rem;font-weight:400;color:var(--muted);margin:0;line-height:1.7;}
.form-tip{font-size:.75rem;color:rgba(154,168,165,.75);margin-top:12px;line-height:1.7;}

/* ---------- Footer ---------- */
.site-footer{
  background:#06090B;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr 1.1fr;gap:36px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{color:var(--muted);font-size:.875rem;line-height:1.85;margin:0;max-width:34ch;}
.footer-col h4{font-size:.9375rem;margin-bottom:14px;color:var(--text);letter-spacing:.03em;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.footer-col ul li{margin:0;}
.footer-col ul a{color:var(--muted);font-size:.875rem;}
.footer-col ul a:hover{color:var(--primary);}
.footer-col .fnote{color:var(--muted);font-size:.8125rem;line-height:1.8;margin:0 0 14px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(31,224,181,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:rgba(154,168,165,.72);font-size:.8125rem;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .tip-grid{grid-template-columns:repeat(2,1fr);}
  .step-line{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .cat-hero{padding:40px 0 48px;}
  .hero-lead{font-size:1rem;}
  .tip-grid,.step-line,.entry-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{justify-content:flex-start;}
  .btn{width:100%;}
  .hero-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:560px){
  .brand{font-size:.9375rem;}
  .brand-mark{width:30px;height:30px;font-size:.7rem;}
  .cat-hero h1{font-size:1.85rem;max-width:100%;}
  .section-head h2{font-size:1.4rem;}
  .footer-grid{grid-template-columns:1fr;}
  .reveal.modal-panel{padding:24px 18px;border-radius:14px;}
  .badge-pill{font-size:.75rem;}
  table.risk-table{min-width:600px;}
  .breadcrumb{font-size:.75rem;}
}
@media (max-width:560px){
  .reveal.full{width:100vw;height:100vh;max-width:100vw;max-height:100vh;top:0;left:0;margin:0;border-radius:0;overflow-y:auto;}
}

/* roulang page: category2 */
:root{
  --bg:#080B0E;
  --surface:#11171C;
  --surface-2:#161E24;
  --surface-3:#1B242B;
  --primary:#1FE0B5;
  --primary-dim:rgba(31,224,181,.12);
  --accent:#FFB45C;
  --text:#E9F3F0;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-soft:rgba(255,255,255,.07);
  --danger:#FF5D7A;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-hover:0 24px 60px rgba(0,0,0,.48);
  --space-section:88px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(31,224,181,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,181,.032) 1px,transparent 1px);
  background-size:72px 72px;
  background-position:center top;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7CF2D6;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-weight:800;
  line-height:1.32;
  letter-spacing:-.01em;
  color:var(--text);
}
h1{font-size:clamp(2.1rem,4vw,3.5rem);}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem);}
h3{font-size:1.25rem;font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
li{margin-bottom:.35em;}
strong{color:#fff;font-weight:700;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.container-narrow{max-width:820px;}
section{position:relative;}
.section{padding:var(--space-section) 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:26px;height:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(31,224,181,.7);border-radius:2px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);margin-bottom:0;max-width:720px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,11,14,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.0625rem;font-weight:800;color:var(--text);
  letter-spacing:.01em;white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(145deg,rgba(31,224,181,.22),rgba(31,224,181,.05));
  border:1px solid var(--line);
  color:var(--primary);font-size:.8125rem;font-weight:800;letter-spacing:.06em;
  box-shadow:0 0 18px rgba(31,224,181,.14) inset;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:.9375rem;font-weight:500;
  color:var(--muted);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--text);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(31,224,181,.85);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;
  font-size:1rem;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  font-family:var(--font);
  font-size:.9375rem;font-weight:700;
  line-height:1.4;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn-primary{
  background:var(--primary);color:#04231C;
  box-shadow:0 8px 24px rgba(31,224,181,.22);
}
.btn-primary:hover{
  background:#3BF0C6;color:#04231C;
  transform:translateY(-1px);
  box-shadow:0 12px 32px rgba(31,224,181,.42);
}
.btn-ghost{
  background:transparent;color:var(--primary);
  border-color:rgba(31,224,181,.45);
}
.btn-ghost:hover{
  background:rgba(31,224,181,.1);color:#7CF2D6;
  border-color:var(--primary);
  transform:translateY(-1px);
}
.btn-sm{padding:9px 16px;font-size:.875rem;}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--primary);font-size:.9375rem;
  padding:0;border:0;background:none;cursor:pointer;
}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:.8125rem;
  color:var(--muted);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;}
.breadcrumb li{margin:0;display:flex;align-items:center;gap:8px;}
.breadcrumb li:not(:last-child)::after{content:"/";color:rgba(154,168,165,.45);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current]{color:var(--primary);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(8,11,14,.97) 0%,rgba(8,11,14,.9) 46%,rgba(8,11,14,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.9;z-index:0;
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:start;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(31,224,181,.1);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:.8125rem;font-weight:700;
  letter-spacing:.05em;
  margin-bottom:20px;
}
.page-hero h1{margin-bottom:18px;}
.page-hero h1 .hl{color:var(--primary);}
.hero-lead{
  font-size:1.0625rem;line-height:1.85;
  color:#C6D6D2;max-width:620px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  font-size:.8125rem;color:var(--muted);
}
.tag-pill i{color:var(--primary);font-size:.75rem;}

.hero-side{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}
.hero-side h3{font-size:1.0625rem;margin-bottom:6px;}
.hero-side .sub{font-size:.8125rem;color:var(--muted);margin-bottom:18px;}
.mini-list{list-style:none;margin:0 0 18px;padding:0;}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:.9375rem;color:#D3E2DE;line-height:1.65;
}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list .num{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-dim);color:var(--primary);
  font-size:.8125rem;font-weight:800;
  border:1px solid var(--line);
}
.side-note{
  font-size:.8125rem;color:var(--muted);line-height:1.7;
  padding-left:12px;border-left:2px solid rgba(255,180,92,.5);
}

/* ---------- Steps timeline ---------- */
.steps-row{margin-top:8px;}
.step-card{
  position:relative;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px 24px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:rgba(31,224,181,.5);
  box-shadow:var(--shadow-hover);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--primary-dim);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:1rem;font-weight:800;
  margin-bottom:16px;
}
.step-card h3{font-size:1.0625rem;margin-bottom:8px;}
.step-card p{font-size:.9375rem;color:var(--muted);margin-bottom:14px;line-height:1.75;}
.step-do{
  display:block;
  font-size:.8125rem;line-height:1.7;
  color:#C9DDD7;
  background:var(--surface-2);
  border-left:3px solid rgba(31,224,181,.6);
  border-radius:0 10px 10px 0;
  padding:10px 12px;
}
.step-do b{color:var(--primary);font-weight:700;}
.step-card::after{
  content:"\f105";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-19px;top:46%;
  color:rgba(31,224,181,.45);font-size:1rem;
}
.steps-row .cell:last-child .step-card::after{display:none;}

/* ---------- Entry forms cards ---------- */
.entry-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  box-shadow:var(--shadow);
}
.entry-card:hover{
  transform:translateY(-3px);
  border-color:rgba(31,224,181,.5);
  box-shadow:var(--shadow-hover);
}
.entry-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,11,14,.05) 0%,rgba(8,11,14,.7) 100%);
}
.entry-card .body{padding:22px;display:flex;flex-direction:column;flex:1;}
.entry-card .badge{
  align-self:flex-start;
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  color:var(--accent);
  background:rgba(255,180,92,.1);
  border:1px solid rgba(255,180,92,.28);
  border-radius:999px;
  padding:3px 11px;
  margin-bottom:12px;
}
.entry-card h3{font-size:1.0625rem;margin-bottom:8px;}
.entry-card p{font-size:.9375rem;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.entry-card .card-foot{margin-top:auto;}

/* ---------- Table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto;}
table.cmp{
  width:100%;border-collapse:collapse;min-width:720px;
  font-size:.9375rem;
}
table.cmp thead th{
  background:rgba(31,224,181,.1);
  color:var(--primary);
  font-weight:700;
  font-size:.875rem;
  letter-spacing:.04em;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.cmp tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line-soft);
  color:#CBDCD7;
  vertical-align:top;
  line-height:1.7;
}
table.cmp tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover{background:rgba(31,224,181,.05);}
table.cmp td:first-child{color:var(--text);font-weight:600;}

/* ---------- Checklist ---------- */
.check-panel{
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow);
}
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:.9375rem;color:#D3E2DE;line-height:1.7;
  margin:0;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list .tick{
  flex:0 0 auto;
  width:22px;height:22px;border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(31,224,181,.14);
  border:1px solid rgba(31,224,181,.4);
  color:var(--primary);font-size:.6875rem;
  margin-top:3px;
}
.check-list li b{color:#fff;}

/* ---------- Notice card ---------- */
.notice-card{
  background:var(--surface);
  border:1px solid rgba(255,180,92,.28);
  border-left:3px solid var(--accent);
  border-radius:14px;
  padding:22px 24px;
  margin-top:24px;
}
.notice-card h4{font-size:.9375rem;color:var(--accent);margin-bottom:8px;font-weight:700;}
.notice-card p{font-size:.9375rem;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion{
  background:transparent;
  border:0;
  margin:0;
}
.accordion .accordion-item{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
  position:relative;
}
.accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);opacity:0;transition:opacity .2s ease;
}
.accordion .accordion-item.is-active::before{opacity:1;}
.accordion .accordion-item.is-active{
  border-color:rgba(31,224,181,.45);
  box-shadow:0 12px 32px rgba(0,0,0,.35);
}
.accordion .accordion-title{
  font-family:var(--font);
  font-size:1rem;font-weight:600;
  color:var(--text);
  padding:18px 54px 18px 24px;
  border:0;
  border-radius:12px;
  background:transparent;
  line-height:1.7;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{
  background:rgba(31,224,181,.05);
  color:var(--primary);
}
.accordion .accordion-title::before{
  content:"\2b";
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-family:var(--font);
  font-size:1.125rem;font-weight:700;
  color:var(--primary);
  margin:0;left:auto;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"\2212";}
.accordion .accordion-content{
  padding:0 24px 20px;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.85;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- Related links ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.link-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.link-card:hover{
  transform:translateY(-3px);
  border-color:rgba(31,224,181,.5);
  background:var(--surface-2);
  box-shadow:var(--shadow-hover);
}
.link-card .lc-top{
  display:flex;align-items:center;justify-content:space-between;
  color:var(--primary);font-size:.8125rem;font-weight:700;letter-spacing:.08em;
}
.link-card h3{font-size:1rem;color:var(--text);margin:0;}
.link-card p{font-size:.875rem;color:var(--muted);margin:0;line-height:1.7;}
.link-card .lc-arrow{color:var(--primary);font-size:.8125rem;font-weight:700;display:inline-flex;gap:6px;align-items:center;margin-top:4px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border:1px solid var(--line);
  border-radius:20px;
  padding:48px;
  overflow:hidden;
  background:linear-gradient(120deg,rgba(31,224,181,.1),rgba(255,180,92,.06) 60%,rgba(17,23,28,.9));
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 88% 12%,rgba(31,224,181,.22),transparent 46%);
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{margin-bottom:8px;}
.cta-inner p{color:var(--muted);margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

.privacy-bar{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:26px;
  padding:16px 20px;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  font-size:.8125rem;
  color:var(--muted);
  line-height:1.75;
}
.privacy-bar i{color:var(--primary);margin-top:5px;}
.privacy-bar a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--space-section);
  background:#05080A;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr .8fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:.875rem;color:var(--muted);line-height:1.8;max-width:340px;margin:0;}
.footer-col h4{
  font-size:.8125rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);font-weight:700;margin-bottom:16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:.9375rem;}
.footer-col a:hover{color:var(--primary);}
.fnote{font-size:.875rem;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid var(--line-soft);
  font-size:.8125rem;color:rgba(154,168,165,.8);
}

/* ---------- Modal ---------- */
.reveal{
  background:var(--surface);
  border:1px solid rgba(31,224,181,.35);
  border-radius:18px;
  box-shadow:0 40px 90px rgba(0,0,0,.6);
  padding:32px;
  color:var(--text);
}
.reveal-overlay{background:rgba(0,0,0,.72);}
.reveal h3{font-size:1.25rem;margin-bottom:6px;}
.reveal .modal-sub{font-size:.875rem;color:var(--muted);margin-bottom:22px;}
.reveal .close-button{
  top:14px;right:16px;
  color:var(--muted);font-size:1.5rem;
}
.reveal .close-button:hover{color:var(--primary);}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:.8125rem;font-weight:600;
  color:#C9DDD7;margin-bottom:7px;
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  background:var(--surface-2);
  border:1px solid var(--line-soft);
  border-radius:10px;
  color:var(--text);
  font-family:var(--font);
  font-size:.9375rem;
  padding:11px 14px;
  margin:0;
  height:auto;
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field select{
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--primary) 50%),linear-gradient(135deg,var(--primary) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,181,.16);
  outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,168,165,.6);}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:.8125rem;color:var(--muted);line-height:1.7;}
.check-line input[type="checkbox"]{margin-top:4px;accent-color:var(--primary);}
.form-hint{font-size:.75rem;color:rgba(154,168,165,.8);margin-top:12px;margin-bottom:0;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  :root{--space-section:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-side{max-width:560px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1/-1;}
  .link-grid{grid-template-columns:repeat(2,1fr);}
  .step-card::after{display:none;}
  .nav-links{
    position:fixed;
    top:68px;left:0;right:0;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;
    gap:2px;
    padding:18px 20px 40px;
    background:rgba(6,9,11,.985);
    backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    overflow-y:auto;
    transform:translateX(-100%);
    transition:transform .28s ease;
    z-index:99;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    padding:15px 16px;
    font-size:1rem;
    border-radius:10px;
    border-left:3px solid transparent;
  }
  .nav-link.is-active{
    background:rgba(31,224,181,.08);
    border-left-color:var(--primary);
  }
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
}
@media screen and (max-width:768px){
  :root{--space-section:52px;}
  .container{padding:0 18px;}
  .page-hero{padding:32px 0 52px;}
  .hero-lead{font-size:1rem;}
  .hero-actions .btn{flex:1 1 auto;}
  .cta-band{padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .link-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
  .footer-col:last-child{grid-column:1/-1;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .reveal{padding:26px 20px;}
  .check-panel{padding:24px 20px;}
  .section-head{margin-bottom:28px;}
}
@media screen and (max-width:560px){
  h1{font-size:2rem;}
  .brand{font-size:.9375rem;}
  .brand-mark{width:30px;height:30px;font-size:.75rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .step-card{padding:22px 18px;}
  .tag-pill{font-size:.75rem;padding:5px 12px;}
  .cta-inner h2{font-size:1.375rem;}
  .footer-grid{grid-template-columns:1fr;}
}
@media screen and (min-width:1025px){
  .nav-links{position:static;transform:none;background:transparent;padding:0;flex-direction:row;overflow:visible;border:0;}
}

/* roulang page: category4 */
:root{
  --bg:#080B0E;
  --surface:#11171C;
  --surface-2:#161E24;
  --primary:#1FE0B5;
  --primary-soft:rgba(31,224,181,.10);
  --accent:#FFB45C;
  --text:#E9F3F0;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-soft:rgba(255,255,255,.07);
  --danger:#FF5D7A;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-hover:0 22px 56px rgba(0,0,0,.48);
  --nav-h:68px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(880px 500px at 84% -10%,rgba(31,224,181,.10),transparent 62%),
    radial-gradient(720px 440px at -6% 22%,rgba(255,180,92,.055),transparent 60%),
    linear-gradient(rgba(31,224,181,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,181,.022) 1px,transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#6FF3D9;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35;letter-spacing:.2px;}
h1{font-size:clamp(2.1rem,4vw,3.3rem);font-weight:800;line-height:1.25;}
h2{font-size:clamp(1.5rem,2.4vw,2.05rem);font-weight:800;}
h3{font-size:1.25rem;font-weight:700;}
h4{font-size:1rem;font-weight:700;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row::before,.row::after{display:table;content:" ";}
.row::after{clear:both;}
.column,.columns{padding-left:12px;padding-right:12px;float:left;width:100%;}
.row::after{clear:both;}
@media screen and (min-width:1024px){
  .large-3{width:25%;}
  .large-5{width:41.6667%;}
  .large-7{width:58.3333%;}
  .large-9{width:75%;}
}
.section{padding:88px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{display:inline-block;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(255,180,92,.35);background:rgba(255,180,92,.08);border-radius:999px;padding:5px 14px;margin-bottom:18px;font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:.9375rem;font-weight:700;line-height:1.2;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#04110E;box-shadow:0 8px 24px rgba(31,224,181,.28);}
.btn-primary:hover{background:#41EDC7;color:#04110E;transform:translateY(-1px);box-shadow:0 12px 32px rgba(31,224,181,.44);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(31,224,181,.3);}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(31,224,181,.45);}
.btn-ghost:hover{background:var(--primary-soft);color:#7FF3DA;border-color:var(--primary);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:.875rem;border-radius:9px;}
.btn-block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:rgba(8,11,14,.93);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.0625rem;font-weight:800;color:var(--text);letter-spacing:.3px;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#1FE0B5,#0C846C);color:#04110E;font-size:.8125rem;font-weight:800;letter-spacing:.5px;
  box-shadow:0 0 0 1px rgba(31,224,181,.35),0 8px 18px rgba(31,224,181,.22);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:8px;
  color:var(--muted);font-size:.9375rem;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(31,224,181,.08);}
.nav-link.is-active{color:var(--text);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-3px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(31,224,181,.85);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:9px;border:1px solid var(--line);
  background:rgba(31,224,181,.06);cursor:pointer;padding:0;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);}

/* ---------- 移动抽屉 ---------- */
.off-canvas{background:#0A0F13;border-left:1px solid var(--line);}
.off-canvas .close-button{color:var(--text);top:14px;right:16px;font-size:1.6rem;}
.mobile-nav-inner{padding:64px 22px 32px;}
.mobile-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.0625rem;color:var(--text);margin-bottom:26px;}
.mobile-nav-list li{margin-bottom:6px;}
.mobile-nav-list a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--muted);font-size:1rem;font-weight:500;
  border-left:3px solid transparent;transition:.2s;
}
.mobile-nav-list a:hover{background:rgba(31,224,181,.08);color:var(--text);}
.mobile-nav-list a.is-active{color:var(--text);background:rgba(31,224,181,.10);border-left-color:var(--primary);font-weight:700;}
.mobile-meta{margin-top:24px;color:#6E7C79;font-size:.8125rem;line-height:1.7;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:#6E7C79;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#3C4A48;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current="page"]{color:var(--accent);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background-image:
    linear-gradient(115deg,rgba(8,11,14,.95) 12%,rgba(8,11,14,.78) 55%,rgba(8,11,14,.55) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,181,.7),transparent);
}
.page-hero h1{margin-bottom:18px;}
.hero-lead{color:#C6D5D1;font-size:1.0625rem;line-height:1.85;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges li{
  font-size:.8125rem;color:#BFD2CE;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(31,224,181,.06);
}
.hero-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.hero-side img{width:100%;height:210px;object-fit:cover;}
.hero-side-body{padding:22px 24px 24px;}
.hero-side-body h2{font-size:1.0625rem;margin-bottom:8px;}
.hero-side-body p{color:var(--muted);font-size:.9375rem;line-height:1.75;margin:0;}
.hero-side .stat-row{display:flex;gap:10px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line-soft);}
.hero-side .stat-row div{flex:1;text-align:center;}
.hero-side .stat-row strong{display:block;color:var(--primary);font-size:1.25rem;font-weight:800;line-height:1.2;}
.hero-side .stat-row span{font-size:.75rem;color:#6E7C79;}

/* ---------- 侧边锚点 ---------- */
.faq-aside{position:sticky;top:calc(var(--nav-h) + 22px);}
.aside-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);}
.aside-panel h2{font-size:1rem;margin-bottom:14px;letter-spacing:.02em;}
.aside-list li{margin-bottom:6px;}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:9px;font-size:.9375rem;color:var(--muted);
  border-left:3px solid transparent;transition:.2s;
}
.aside-list a::after{content:"›";font-size:1rem;color:#41504E;transition:color .2s;}
.aside-list a:hover{background:rgba(31,224,181,.07);color:var(--text);}
.aside-list a:hover::after{color:var(--primary);}
.aside-list a.is-active{background:rgba(31,224,181,.10);border-left-color:var(--primary);color:var(--text);font-weight:600;}
.aside-list a.is-active::after{color:var(--primary);}
.aside-note{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line-soft);font-size:.8125rem;color:#6E7C79;line-height:1.7;}

/* ---------- FAQ 双列手风琴 ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;align-items:start;}
.accordion.faq-accordion{margin:0;background:transparent;border:none;}
.faq-accordion>li{
  list-style:none;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  scroll-margin-top:96px;
}
.faq-accordion>li:hover{border-color:rgba(31,224,181,.34);transform:translateY(-1px);}
.faq-accordion>li.is-active{border-color:rgba(31,224,181,.5);box-shadow:0 0 0 1px rgba(31,224,181,.12),0 14px 34px rgba(0,0,0,.34);}
.faq-accordion .accordion-title{
  display:block;position:relative;padding:17px 46px 17px 18px;
  background:transparent;border:none;border-left:3px solid transparent;
  color:var(--text);font-size:1rem;font-weight:600;line-height:1.6;
  transition:background .2s ease,border-color .2s ease;
}
.faq-accordion .accordion-title:hover{background:rgba(31,224,181,.06);color:var(--text);}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:1.25rem;font-weight:700;line-height:1;margin:0;
}
.faq-accordion .is-active>.accordion-title{border-left-color:var(--primary);background:rgba(31,224,181,.05);}
.faq-accordion .is-active>.accordion-title::before{content:"−";}
.faq-accordion .accordion-content{
  padding:0 18px 18px;border:none;background:transparent;
  color:var(--muted);font-size:.95rem;line-height:1.85;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- 相关入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;color:inherit;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.entry-card:hover{transform:translateY(-3px);border-color:rgba(31,224,181,.45);box-shadow:var(--shadow-hover);color:inherit;}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0D1317;}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.05);}
.entry-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.entry-body h3{font-size:1.0625rem;margin-bottom:8px;}
.entry-body p{color:var(--muted);font-size:.875rem;line-height:1.7;margin-bottom:14px;}
.entry-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:700;color:var(--primary);}
.entry-card:hover .entry-link{color:#7FF3DA;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:40px 44px;border-radius:20px;
  background:
    radial-gradient(520px 260px at 88% 0%,rgba(31,224,181,.18),transparent 70%),
    linear-gradient(120deg,#101A1F,#0C1216);
  border:1px solid rgba(31,224,181,.28);
  box-shadow:var(--shadow);
}
.cta-inner h2{margin-bottom:10px;}
.cta-inner p{color:var(--muted);margin:0;max-width:560px;}
.privacy-note{
  display:flex;gap:14px;align-items:flex-start;
  border-left:3px solid var(--primary);background:rgba(31,224,181,.05);
  border-radius:0 12px 12px 0;padding:16px 20px;margin-top:22px;
}
.privacy-note p{margin:0;font-size:.8125rem;line-height:1.8;color:#8A9997;}
.privacy-note a{color:var(--accent);}

/* ---------- 表单弹层 ---------- */
.reveal-overlay{background:rgba(0,0,0,.72);}
.reveal.modal-panel{
  background:var(--surface);border:1px solid rgba(31,224,181,.32);border-radius:18px;
  box-shadow:var(--shadow-hover);color:var(--text);padding:34px 34px 30px;
}
.reveal.modal-panel h2{font-size:1.375rem;margin-bottom:8px;}
.modal-sub{color:var(--muted);font-size:.9375rem;margin-bottom:22px;}
.modal-close{position:absolute;top:12px;right:14px;color:var(--muted);font-size:1.75rem;line-height:1;}
.modal-close:hover{color:var(--primary);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.875rem;font-weight:600;color:#C6D5D1;margin-bottom:7px;}
.field input[type="text"],.field input[type="tel"],.field input[type="email"],.field select,.field textarea{
  width:100%;background:#0D1317;border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--text);font-size:.9375rem;padding:11px 14px;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#5A6A68;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,181,.16);
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--primary) 50%),linear-gradient(135deg,var(--primary) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:.8125rem;color:var(--muted);line-height:1.7;margin:6px 0 20px;}
.check-row input{margin-top:4px;accent-color:var(--primary);}

/* ---------- 页脚 ---------- */
.site-footer{background:#06090B;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px;}
.footer-brand p{color:var(--muted);font-size:.9375rem;line-height:1.8;margin-top:14px;max-width:330px;}
.footer-col h4{font-size:1rem;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:.9375rem;}
.footer-col a:hover{color:var(--primary);}
.fnote{color:var(--muted);font-size:.875rem;line-height:1.75;margin-bottom:16px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-soft);margin-top:48px;padding:20px 0 24px;
  color:#68766F;font-size:.8125rem;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{display:flex;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .faq-aside{position:static;margin-bottom:24px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-band{padding-bottom:64px;}
  .cta-inner{padding:32px;}
  .hero-side{margin-top:32px;}
}
@media screen and (max-width:768px){
  h1{font-size:clamp(1.8rem,7vw,2.4rem);}
  .page-hero{padding:36px 0 52px;}
  .hero-lead{font-size:1rem;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-inner{padding:26px 22px;}
  .cta-inner .btn{width:100%;}
  .reveal.modal-panel{padding:26px 20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:560px){
  .container{padding:0 18px;}
  .hero-badges li{font-size:.75rem;padding:5px 11px;}
  .faq-accordion .accordion-title{font-size:.9375rem;padding:15px 42px 15px 15px;}
  .footer-grid{grid-template-columns:1fr;}
  .reveal.full{width:100%;height:100%;max-width:none;max-height:none;border-radius:0;}
}

/* roulang page: category5 */
:root{
  --bg:#080B0E;
  --surface:#11171C;
  --surface-2:#161E24;
  --primary:#1FE0B5;
  --primary-dim:rgba(31,224,181,.12);
  --accent:#FFB45C;
  --text:#E9F3F0;
  --muted:#9AA8A5;
  --line:rgba(31,224,181,.18);
  --line-soft:rgba(31,224,181,.10);
  --danger:#FF5D7A;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 48px rgba(0,0,0,.35);
  --shadow-hover:0 26px 60px rgba(0,0,0,.48);
  --maxw:1200px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  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-image:
    linear-gradient(rgba(31,224,181,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,181,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 0%,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:#5CF2D0;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;line-height:1.32;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(31,224,181,.28);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.narrow{max-width:880px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(8,11,14,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  min-height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.0625rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,rgba(31,224,181,.9),rgba(31,224,181,.45));
  color:#04120E;
  font-size:.8125rem;
  font-weight:800;
  letter-spacing:.06em;
  box-shadow:0 0 22px rgba(31,224,181,.35);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:.9375rem;
  font-weight:500;
  color:var(--muted);
  border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);background:rgba(31,224,181,.07);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(31,224,181,.9),0 0 26px rgba(31,224,181,.45);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  padding:0 10px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;}
.nav-toggle:hover{border-color:var(--primary);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-sm);
  font-size:.9375rem;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--primary);
  color:#04120E;
  border-color:var(--primary);
  box-shadow:0 8px 26px rgba(31,224,181,.22);
}
.btn-primary:hover{
  background:#4DF0CB;
  color:#04120E;
  transform:translateY(-1px);
  box-shadow:0 12px 34px rgba(31,224,181,.42);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(31,224,181,.28);}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(31,224,181,.42);
}
.btn-ghost:hover{
  background:rgba(31,224,181,.10);
  color:var(--primary);
  border-color:var(--primary);
  transform:translateY(-1px);
}
.btn-quiet{
  background:transparent;
  border-color:transparent;
  color:var(--primary);
  padding:8px 4px;
  font-weight:600;
}
.btn-quiet:hover{color:#5CF2D0;}
.btn-quiet .arrow{transition:transform .18s ease;display:inline-block;}
.btn-quiet:hover .arrow{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn-full{width:100%;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 76px;
  background-image:
    linear-gradient(180deg,rgba(8,11,14,.88) 0%,rgba(8,11,14,.96) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,181,.16),transparent 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--muted);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb [aria-current]{color:var(--text);}
.hero-grid{gap:40px;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(31,224,181,.07);
  color:var(--primary);
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-eyebrow i{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(31,224,181,.9);
  display:inline-block;
}
.page-hero h1{
  font-size:clamp(2rem,3.4vw,3rem);
  font-weight:800;
  letter-spacing:-.015em;
  margin-bottom:18px;
}
.page-hero h1 .hl{
  color:var(--primary);
  text-shadow:0 0 36px rgba(31,224,181,.35);
}
.hero-lead{
  color:var(--muted);
  font-size:1.0625rem;
  line-height:1.85;
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}
.panel-head{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  letter-spacing:.06em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:14px;
}
.panel-head .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(31,224,181,.9);
}
.panel-date{
  font-size:1.75rem;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--primary);
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.hero-panel p{
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.8;
  padding-bottom:18px;
  border-bottom:1px dashed var(--line-soft);
  margin-bottom:16px;
}
.panel-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  font-size:.875rem;
  color:var(--muted);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.panel-list li:last-child{border-bottom:none;padding-bottom:0;}
.panel-list strong{color:var(--text);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:84px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,rgba(17,23,28,.55),rgba(8,11,14,0));border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.4vw,2.1rem);
  font-weight:800;
  margin-bottom:10px;
}
.section-head .sub{
  color:var(--muted);
  font-size:.975rem;
  max-width:640px;
  margin:0;
}
.section-kicker{
  display:inline-block;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:12px;
  text-transform:uppercase;
}

/* ---------- cards ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  height:100%;
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(31,224,181,.45);
  box-shadow:var(--shadow-hover);
}
.card h3{font-size:1.125rem;margin-bottom:10px;}
.card p{color:var(--muted);font-size:.9375rem;line-height:1.8;}
.card-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:10px;
  background:var(--primary-dim);
  border:1px solid var(--line);
  color:var(--primary);
  font-weight:800;
  font-size:.9375rem;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  padding-left:0;
  max-width:920px;
  margin:0 auto;
}
.timeline::before{
  content:"";
  position:absolute;
  left:96px;
  top:14px;
  bottom:26px;
  width:1px;
  background:linear-gradient(180deg,rgba(31,224,181,.5),rgba(31,224,181,.22) 55%,rgba(31,224,181,.04));
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr;
  gap:32px;
  padding-bottom:30px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:91px;
  top:22px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(31,224,181,.13),0 0 16px rgba(31,224,181,.65);
}
.tl-date{
  padding-top:8px;
  text-align:right;
  padding-right:20px;
}
.tl-date .d{
  display:block;
  font-size:1.375rem;
  font-weight:800;
  color:var(--text);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.tl-date .m{
  display:block;
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--muted);
  margin-top:6px;
}
.tl-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tl-body:hover{
  border-color:rgba(31,224,181,.45);
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;}
.badge{
  display:inline-flex;
  align-items:center;
  padding:3px 11px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.03em;
  background:rgba(31,224,181,.10);
  border:1px solid var(--line);
  color:var(--primary);
}
.badge-warm{
  background:rgba(255,180,92,.10);
  border-color:rgba(255,180,92,.32);
  color:var(--accent);
}
.tl-body h3{font-size:1.125rem;margin-bottom:10px;}
.tl-body > p{color:var(--muted);font-size:.9375rem;line-height:1.8;margin-bottom:14px;}
.tl-points{display:grid;gap:7px;}
.tl-points li{
  position:relative;
  padding-left:18px;
  font-size:.875rem;
  color:var(--muted);
  line-height:1.75;
}
.tl-points li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:5px;height:5px;
  border-radius:50%;
  background:rgba(31,224,181,.7);
}

/* ---------- split block ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,11,14,0) 40%,rgba(8,11,14,.85) 100%);
}
.media-tag{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(8,11,14,.78);
  border:1px solid var(--line);
  font-size:.75rem;
  color:var(--primary);
  letter-spacing:.05em;
}
.step-list{display:grid;gap:16px;margin-top:24px;}
.step-item{
  display:flex;
  gap:16px;
  padding:18px 20px;
  border-radius:12px;
  background:var(--surface);
  border:1px solid var(--line-soft);
  transition:border-color .2s ease,background .2s ease;
}
.step-item:hover{border-color:rgba(31,224,181,.4);background:var(--surface-2);}
.step-item .n{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-dim);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:.8125rem;
  font-weight:800;
}
.step-item h3{font-size:1rem;margin-bottom:5px;}
.step-item p{font-size:.875rem;color:var(--muted);line-height:1.75;margin:0;}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  position:relative;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.check-card:hover{transform:translateY(-2px);border-color:rgba(31,224,181,.45);box-shadow:var(--shadow);}
.check-card .tick{
  width:34px;height:34px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(31,224,181,.4);
  background:rgba(31,224,181,.1);
  color:var(--primary);
  font-weight:800;
  font-size:.875rem;
  margin-bottom:16px;
}
.check-card h3{font-size:1.0625rem;margin-bottom:8px;}
.check-card p{font-size:.9375rem;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- accordion ---------- */
.accordion{
  background:transparent;
  border:none;
  max-width:920px;
  margin:0 auto;
}
.accordion-item{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-item:hover{border-color:rgba(31,224,181,.38);}
.accordion-title{
  position:relative;
  display:block;
  padding:18px 54px 18px 20px;
  margin:0;
  border:none;
  border-bottom:none;
  background:transparent;
  color:var(--text);
  font-size:1rem;
  font-weight:600;
  line-height:1.6;
  transition:color .18s ease;
}
.accordion-title:hover{color:var(--primary);background:transparent;}
.accordion-title::before{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  display:block;
  width:auto;
  height:auto;
  margin:0;
  padding:0;
  color:var(--primary);
  font-size:1.25rem;
  font-weight:400;
  line-height:1;
  background:none;
}
.accordion-item.is-active{border-color:rgba(31,224,181,.5);box-shadow:inset 3px 0 0 var(--primary);}
.accordion-item.is-active > .accordion-title::before{content:"−";}
.accordion-content{
  padding:0 20px 20px;
  border:none;
  border-top:1px dashed var(--line-soft);
  background:transparent;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.85;
  padding-top:16px;
}
.accordion-content p{margin-bottom:.6em;}

/* ---------- related links ---------- */
.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.link-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  color:var(--text);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.link-card:hover{
  color:var(--text);
  transform:translateY(-2px);
  border-color:rgba(31,224,181,.5);
  box-shadow:var(--shadow);
  background:var(--surface-2);
}
.link-card .lc-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--accent);
}
.link-card h3{font-size:1.0625rem;margin-bottom:6px;}
.link-card p{font-size:.875rem;color:var(--muted);line-height:1.7;margin:0;}

/* ---------- cta band ---------- */
.cta-band{
  border:1px solid var(--line);
  border-radius:20px;
  padding:44px;
  background:
    radial-gradient(circle at 88% 12%,rgba(31,224,181,.16),transparent 52%),
    linear-gradient(120deg,rgba(31,224,181,.09),rgba(255,180,92,.05) 70%,rgba(17,23,28,.6));
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.9rem);margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:.95rem;margin:0;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.privacy-note{
  display:flex;
  gap:14px;
  margin-top:26px;
  padding:14px 0 14px 18px;
  border-left:3px solid var(--primary);
  font-size:.8125rem;
  line-height:1.75;
  color:var(--muted);
}
.privacy-note a{color:var(--primary);border-bottom:1px dotted rgba(31,224,181,.5);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  background:#05080A;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  color:var(--muted);
  font-size:.875rem;
  line-height:1.8;
  max-width:320px;
}
.footer-col h4{
  font-size:.8125rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:var(--muted);
  font-size:.9rem;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col ul li a:hover{color:var(--primary);padding-left:3px;}
.fnote{color:var(--muted);font-size:.875rem;line-height:1.8;margin-bottom:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:.8125rem;
  color:var(--muted);
}

/* ---------- mobile off-canvas ---------- */
.off-canvas{background:#0B1014;border-left:1px solid var(--line);}
.mobile-nav-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.mobile-nav-head .brand{font-size:1rem;}
.mobile-nav-close{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
  width:38px;height:38px;
  border-radius:10px;
  font-size:1.25rem;
  line-height:1;
  cursor:pointer;
}
.mobile-nav-close:hover{border-color:var(--primary);color:var(--primary);}
.mobile-nav-list{padding:16px 12px;}
.mobile-nav-list a{
  display:block;
  padding:13px 16px;
  border-radius:10px;
  color:var(--muted);
  font-size:1rem;
  font-weight:500;
  border-left:2px solid transparent;
}
.mobile-nav-list a:hover{background:rgba(31,224,181,.07);color:var(--text);}
.mobile-nav-list a.is-active{
  color:var(--text);
  background:rgba(31,224,181,.09);
  border-left-color:var(--primary);
  box-shadow:inset 2px 0 12px rgba(31,224,181,.18);
}
.mobile-nav-foot{padding:16px 20px 28px;border-top:1px solid var(--line);}

/* ---------- reveal modal ---------- */
.reveal-overlay{background:rgba(0,0,0,.72);backdrop-filter:blur(3px);}
.reveal{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
  padding:34px;
  color:var(--text);
}
.reveal h2{font-size:1.375rem;margin-bottom:8px;}
.reveal .modal-sub{color:var(--muted);font-size:.9rem;line-height:1.8;margin-bottom:22px;}
.reveal .close-button{
  position:absolute;
  top:14px;right:16px;
  color:var(--muted);
  font-size:1.5rem;
  line-height:1;
  padding:6px;
  border-radius:8px;
}
.reveal .close-button:hover{color:var(--primary);}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--muted);
  margin-bottom:8px;
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--text);
  font-family:inherit;
  font-size:.9375rem;
  padding:12px 14px;
  height:auto;
  box-shadow:none;
  margin:0;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7;}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%231FE0B5' stroke-width='2' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,168,165,.65);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,181,.16);
  background:#122026;
  outline:none;
}
.field .hint{display:block;font-size:.75rem;color:var(--muted);margin-top:6px;}
.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:.8125rem;
  color:var(--muted);
  line-height:1.7;
  margin:6px 0 20px;
}
.consent input{margin-top:5px;accent-color:var(--primary);}
.consent a{color:var(--primary);border-bottom:1px dotted rgba(31,224,181,.5);}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .section{padding:64px 0;}
  .card-grid,.check-grid{grid-template-columns:repeat(2,1fr);}
  .link-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .hero-grid{gap:32px;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .page-hero{padding:36px 0 52px;}
  .page-hero h1{font-size:clamp(1.7rem,6vw,2.2rem);}
  .hero-lead{font-size:.975rem;margin-bottom:22px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .card-grid,.check-grid,.link-grid{grid-template-columns:1fr;}
  .timeline::before{left:16px;}
  .timeline-item{grid-template-columns:1fr;gap:14px;padding-bottom:26px;padding-left:40px;}
  .timeline-item::before{left:11px;top:26px;}
  .tl-date{
    display:flex;
    align-items:baseline;
    gap:8px;
    text-align:left;
    padding:0;
  }
  .tl-date .d{font-size:1.0625rem;color:var(--primary);}
  .tl-date .m{font-size:.75rem;margin-top:0;}
  .tl-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .reveal{padding:26px 20px;border-radius:14px;}
  .cta-band{padding:28px 22px;}
  .cta-actions .btn{width:100%;}
}
@media screen and (max-width:560px){
  .header-inner{min-height:62px;gap:12px;}
  .brand{font-size:.95rem;}
  .brand-mark{width:30px;height:30px;font-size:.75rem;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .panel-date{font-size:1.5rem;}
  .timeline{padding-left:0;}
  .timeline-item{padding-left:32px;}
  .timeline-item::before{left:3px;width:9px;height:9px;}
  .timeline::before{left:7px;}
  .accordion-title{font-size:.95rem;padding:16px 46px 16px 16px;}
  .accordion-content{font-size:.9rem;padding:14px 16px 18px;}
  .privacy-note{font-size:.78rem;}
}