/* roulang page: index */
:root{
  --bg:#070B18;
  --panel:#0E1428;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#3DF2C0;
  --primary-dim:rgba(61,242,192,.14);
  --secondary:#7C5CFF;
  --amber:#FFB45C;
  --text:#E6ECF5;
  --muted:#9BA9C0;
  --success:#4ADE80;
  --error:#FF7A7A;
  --radius-card:18px;
  --radius-panel:20px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(61,242,192,.28),0 0 28px rgba(61,242,192,.22);
  --gap:24px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 520px at 12% -6%,rgba(61,242,192,.11),transparent 62%),
    radial-gradient(680px 520px at 92% 4%,rgba(124,92,255,.12),transparent 60%),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px) 0 0/100% 44px,
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px) 0 0/44px 100%;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#77f7d3;}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,24,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#06131F;font-weight:800;font-size:18px;
  box-shadow:0 0 22px rgba(61,242,192,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;
  border-radius:var(--radius-pill);
  padding:11px 22px;font-size:15px;font-weight:600;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04121A;box-shadow:0 0 22px rgba(61,242,192,.24);}
.btn-primary:hover{background:#5df6cc;color:#04121A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(61,242,192,.4),0 0 34px rgba(61,242,192,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(61,242,192,.6);background:rgba(61,242,192,.1);color:var(--text);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-text{background:none;border:none;color:var(--primary);padding:6px 0;font-weight:600;}
.btn-text span{border-bottom:1px solid rgba(61,242,192,.45);padding-bottom:2px;transition:border-color .2s ease;}
.btn-text:hover span{border-color:var(--primary);}
.drawer-toggle{display:none;}

.channelbar{border-top:1px solid var(--line);}
.channel-scroll{
  display:flex;gap:8px;align-items:center;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:10px 0;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;scroll-snap-align:start;
  padding:9px 16px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.channel-link:hover{color:var(--text);background:var(--glass);}
.channel-link.active{color:var(--primary);background:var(--primary-dim);border-color:rgba(61,242,192,.32);box-shadow:0 0 18px rgba(61,242,192,.18) inset;}
.channel-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
}

/* ============ 通用板块 ============ */
main{position:relative;z-index:1;}
.section{padding:88px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.section:last-of-type{border-bottom:none;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7;}
h2.section-title{font-size:28px;margin-bottom:12px;}
.section-desc{color:var(--muted);font-size:16px;}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;
  padding:3px 10px;border-radius:8px;
  background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.34);color:#c3b6ff;
}
.tag-amber{background:rgba(255,180,92,.14);border-color:rgba(255,180,92,.36);color:#ffcf9b;}
.tag-mint{background:rgba(61,242,192,.14);border-color:rgba(61,242,192,.34);color:#8ff6dc;}

/* ============ Hero ============ */
.hero{padding:78px 0 72px;position:relative;border-bottom:1px solid rgba(255,255,255,.06);}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:24px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.45;}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;margin-bottom:18px;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--primary),#9ee9ff 45%,var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:14px;padding:16px 22px;border-radius:var(--radius-pill);
}
.stat-item{display:flex;align-items:baseline;gap:8px;padding-right:20px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;padding-right:0;}
.stat-num{font-size:20px;font-weight:700;color:var(--primary);}
.stat-label{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;border-radius:var(--radius-panel);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);}
.hero-visual img{width:100%;height:100%;min-height:340px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,24,.14),rgba(7,11,24,.72));
}
.hero-visual-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  font-size:14px;color:#dbe6f6;display:flex;gap:10px;align-items:center;flex-wrap:wrap;
}

/* ============ 三步上手 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);position:relative;}
.step-card{
  position:relative;padding:28px 24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(61,242,192,.42);box-shadow:var(--shadow-glow);}
.step-num{font-size:34px;font-weight:800;color:rgba(61,242,192,.32);letter-spacing:.04em;line-height:1;margin-bottom:14px;}
.step-card h3{font-size:20px;margin-bottom:10px;}
.step-card p{color:var(--muted);font-size:15px;}
.step-arrow{
  position:absolute;top:52px;right:-20px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;color:var(--primary);font-size:14px;
  background:rgba(61,242,192,.1);border:1px solid rgba(61,242,192,.3);z-index:3;
}
.step-card:last-child .step-arrow{display:none;}

/* ============ 能力矩阵 ============ */
.cap-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:stretch;}
.cap-main{padding:32px;border-radius:var(--radius-panel);background:var(--glass);border:1px solid var(--line);}
.cap-main h3{font-size:22px;margin-bottom:14px;}
.cap-main p{color:var(--muted);margin-bottom:22px;}
.cap-list{display:grid;gap:14px;}
.cap-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#cdd8e8;}
.cap-list i{color:var(--primary);margin-top:5px;font-size:13px;}
.cap-side{display:grid;gap:var(--gap);grid-template-rows:1fr 1fr;}
.cap-mini{padding:24px;border-radius:var(--radius-card);background:var(--glass);border:1px solid var(--line);transition:transform .2s ease-out,border-color .2s ease-out;}
.cap-mini:hover{transform:translateY(-2px);border-color:rgba(124,92,255,.5);}
.cap-mini .icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(61,242,192,.18),rgba(124,92,255,.22));
  color:var(--primary);font-size:16px;
}
.cap-mini h3{font-size:18px;margin-bottom:8px;}
.cap-mini p{font-size:14.5px;color:var(--muted);}

/* ============ 案例证明 ============ */
.proof-row{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  padding:30px;border-radius:var(--radius-panel);
  background:var(--glass);border:1px solid var(--line);margin-bottom:32px;
  transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.proof-row:last-child{margin-bottom:0;}
.proof-row:hover{border-color:rgba(61,242,192,.34);box-shadow:var(--shadow-glow);}
.proof-row.reverse .proof-media{order:2;}
.proof-row.reverse .proof-body{order:1;}
.proof-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line-strong);}
.proof-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.proof-body h3{font-size:22px;margin-bottom:12px;}
.proof-body p{color:var(--muted);margin-bottom:18px;}
.proof-metrics{display:flex;flex-wrap:wrap;gap:22px;padding-top:16px;border-top:1px dashed var(--line);}
.proof-metric b{display:block;font-size:20px;color:var(--primary);font-weight:700;}
.proof-metric span{font-size:13px;color:var(--muted);}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  color:var(--text);height:100%;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(61,242,192,.45);color:var(--text);box-shadow:var(--shadow-glow);}
.news-thumb{width:100%;aspect-ratio:16/10;object-fit:cover;background:#111a30;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .excerpt{
  font-size:14.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.news-meta .more{color:var(--primary);font-weight:600;}
.empty-state{
  padding:48px 28px;text-align:center;border-radius:var(--radius-panel);
  background:var(--glass);border:1px dashed var(--line-strong);color:var(--muted);
}
.empty-state .btn{margin-top:18px;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.faq-aside h2{font-size:28px;margin-bottom:14px;}
.faq-aside p{color:var(--muted);margin-bottom:22px;}
.faq-list{display:grid;gap:14px;}
.faq-item{border-radius:var(--radius-card);background:var(--glass);border:1px solid var(--line);overflow:hidden;transition:border-color .2s ease,background .2s ease;}
.faq-item.open{border-color:rgba(61,242,192,.4);background:rgba(255,255,255,.075);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;cursor:pointer;
  padding:0 22px;min-height:56px;font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-q .chev{transition:transform .25s ease;color:var(--primary);font-size:14px;flex:0 0 auto;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:2px 22px 22px;color:var(--muted);font-size:15px;}

/* ============ CTA 与表单 ============ */
.cta-wrap{max-width:920px;margin:0 auto;}
.cta-panel{
  padding:40px;border-radius:var(--radius-panel);
  background:linear-gradient(150deg,rgba(61,242,192,.12),rgba(124,92,255,.12) 65%,rgba(255,255,255,.04));
  border:1px solid rgba(61,242,192,.28);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:27px;margin-bottom:12px;}
.cta-panel > p{color:#c6d3e6;max-width:640px;margin-bottom:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--muted);}
.field input,.field textarea{
  background:rgba(6,10,22,.62);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:12px 14px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  width:100%;
}
.field textarea{min-height:104px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(155,169,192,.62);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  background:rgba(6,10,22,.85);
  box-shadow:0 0 0 3px rgba(61,242,192,.16);
}
.form-note{font-size:13px;color:var(--muted);margin-top:16px;display:flex;gap:8px;align-items:flex-start;}
.form-note i{color:var(--primary);margin-top:4px;}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;background:rgba(9,13,26,.9);border-top:1px solid rgba(61,242,192,.22);padding:60px 0 26px;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(61,242,192,.75),rgba(124,92,255,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 4fr;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:var(--text);font-size:18px;font-weight:700;}
.footer-about{color:var(--muted);font-size:14.5px;max-width:400px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--muted);font-size:14.5px;}
.footer-links a:hover{color:var(--primary);}
.footer-contact{display:grid;gap:12px;color:var(--muted);font-size:14.5px;}
.footer-contact i{color:var(--primary);width:18px;}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13.5px;}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 抽屉导航 ============ */
.offcanvas{background:var(--panel);color:var(--text);border-right:1px solid var(--line);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-links{display:grid;gap:10px;margin-top:18px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);font-weight:600;
}
.drawer-links a.active{border-color:rgba(61,242,192,.5);color:var(--primary);}
.drawer-links a:hover{border-color:rgba(61,242,192,.5);}

/* ============ 品牌水印行 ============ */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.02);}
.marquee-track{display:flex;gap:60px;padding:18px 0;white-space:nowrap;animation:slide 26s linear infinite;}
.marquee span{color:var(--muted);font-size:14px;letter-spacing:.08em;}
.marquee span b{color:var(--primary);font-weight:700;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:34px;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .section{padding:68px 0;}
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{min-height:280px;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .step-arrow{display:none;}
  .cap-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-about{max-width:none;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .topbar-actions .btn-ghost{display:none;}
  .drawer-toggle{display:inline-flex;}
  .hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-sub{font-size:16px;}
  .stat-strip{border-radius:18px;}
  .stat-item{border-right:none;padding-right:0;width:calc(50% - 7px);}
  .proof-row{grid-template-columns:1fr;gap:22px;padding:22px;}
  .proof-row.reverse .proof-media{order:0;}
  .proof-row.reverse .proof-body{order:0;}
  .news-grid{grid-template-columns:1fr;}
  .cta-panel{padding:26px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  h2.section-title{font-size:24px;}
}
@media (max-width:520px){
  .btn{padding:10px 18px;font-size:14.5px;}
  .hero-cta .btn{width:100%;}
  .brand-sub{display:none;}
}

/* roulang page: article */
:root{
  --bg:#070B18;
  --panel:#0E1428;
  --panel-2:#111A33;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.09);
  --stroke-2:rgba(255,255,255,.16);
  --primary:#3DF2C0;
  --primary-deep:#0E6E56;
  --accent:#7C5CFF;
  --amber:#FFB45C;
  --text:#E6ECF5;
  --text-2:#CBD6E6;
  --muted:#9BA9C0;
  --success:#4ADE80;
  --danger:#FF7A7A;
  --r-card:18px;
  --r-panel:20px;
  --r-input:12px;
  --r-tag:8px;
  --sh-card:0 8px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(61,242,192,.28),0 0 28px rgba(61,242,192,.22);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 620px at 10% -6%,rgba(61,242,192,.10),transparent 62%),
    radial-gradient(880px 600px at 92% -2%,rgba(124,92,255,.12),transparent 64%),
    radial-gradient(700px 500px at 50% 108%,rgba(61,242,192,.05),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:#7dfbd6}
button{font-family:inherit}
::selection{background:rgba(61,242,192,.28);color:#fff}
.container-x{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;
}
.page-shell{position:relative;z-index:1}

/* ============ 阅读进度 ============ */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  z-index:9999;box-shadow:0 0 14px rgba(61,242,192,.6);transition:width .12s linear;
}

/* ============ 顶部品牌行 ============ */
.site-header{position:relative;z-index:20}
.topbar{
  background:rgba(7,11,24,.82);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--stroke);
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:70px;padding:10px 24px;
}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:grid;place-items:center;font-weight:700;font-size:18px;color:#04160f;
  background:linear-gradient(135deg,var(--primary),#7dfbd6 55%,var(--accent));
  box-shadow:0 6px 20px rgba(61,242,192,.28);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:12px}
.topbar-actions .btn-ghost,.topbar-actions .btn-primary{padding:9px 18px;font-size:14px}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#04160f;font-weight:700;font-size:15px;
  padding:12px 26px;border-radius:999px;border:0;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
  text-decoration:none;white-space:nowrap;
}
.btn-primary:hover{color:#04160f;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 28px rgba(61,242,192,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  font-weight:600;font-size:15px;padding:12px 26px;border-radius:999px;cursor:pointer;
  transition:all .2s ease-out;text-decoration:none;white-space:nowrap;
}
.btn-ghost:hover{border-color:rgba(61,242,192,.5);background:rgba(255,255,255,.1);color:var(--text)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;
  font-size:15px;background:none;border:0;padding:0;cursor:pointer;
  border-bottom:1px solid transparent;transition:border-color .2s ease-out,gap .2s ease-out;
}
.btn-text:hover{border-bottom-color:var(--primary);gap:10px;color:#7dfbd6}

/* ============ 频道行 ============ */
.channelbar{
  background:rgba(10,15,30,.7);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--stroke);
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 0;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:none;scroll-snap-align:start;
  padding:12px 16px;font-size:15px;font-weight:600;color:var(--muted);
  border-radius:12px;white-space:nowrap;transition:color .2s ease-out,background .2s ease-out;
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.channel-link.active{color:var(--primary)}
.channel-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(61,242,192,.75);
}
.drawer-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
}
.drawer-toggle:hover{border-color:rgba(61,242,192,.45)}
.mobile-drawer{
  display:none;border-bottom:1px solid var(--stroke);
  background:rgba(9,13,26,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.mobile-drawer.open{display:block}
.mobile-drawer .container-x{padding-top:14px;padding-bottom:18px}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;color:var(--text-2);
  font-weight:600;font-size:15px;border:1px solid transparent;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.06);border-color:var(--stroke);color:#fff}
.mobile-drawer .drawer-cta{margin-top:12px}

/* ============ 文章头部 ============ */
.article-head{padding:40px 0 8px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumbs a{color:var(--muted);font-weight:600}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.head-panel{
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:34px 34px 30px;box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  position:relative;overflow:hidden;
}
.head-panel::after{
  content:"";position:absolute;right:-120px;top:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.22),transparent 68%);
  pointer-events:none;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:700;text-transform:uppercase;
  padding:5px 12px;border-radius:var(--r-tag);
  background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.34);color:#C6B8FF;
}
.tag.is-amber{background:rgba(255,180,92,.14);border-color:rgba(255,180,92,.34);color:#FFD3A0}
.tag.is-mint{background:rgba(61,242,192,.13);border-color:rgba(61,242,192,.32);color:#9BF7E0}
.article-title{
  font-size:clamp(28px,4.4vw,44px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin:18px 0 20px;color:#F3F7FD;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary);font-size:13px}

/* ============ 正文 ============ */
.article-body{padding:36px 0 8px}
.prose{
  max-width:780px;margin:0 auto;
  font-size:17px;line-height:1.9;color:#DDE5F1;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:44px 46px;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(12px) saturate(135%);
  -webkit-backdrop-filter:blur(12px) saturate(135%);
  overflow-wrap:break-word;
}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 20px}
.prose h2{
  font-size:28px;line-height:1.4;font-weight:700;color:#F3F7FD;
  margin:48px 0 18px;padding-left:16px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.prose h3{font-size:20px;font-weight:700;color:#EAF1FB;margin:34px 0 14px}
.prose h4{font-size:16px;font-weight:700;color:var(--text-2);margin:26px 0 10px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 20px}
.prose li{margin-bottom:9px}
.prose li::marker{color:var(--primary)}
.prose blockquote{
  margin:0 0 22px;padding:18px 22px;border-radius:0 14px 14px 0;
  border-left:3px solid var(--primary);
  background:rgba(255,255,255,.05);color:var(--text-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:14px;border:1px solid var(--stroke);margin:10px 0 22px}
.prose a{color:var(--primary);border-bottom:1px solid rgba(61,242,192,.35)}
.prose a:hover{border-bottom-color:var(--primary)}
.prose code{
  background:rgba(124,92,255,.16);color:#CFC4FF;padding:2px 7px;border-radius:6px;
  font-size:14px;font-family:ui-monospace,Menlo,Consolas,monospace;
}
.prose pre{
  background:rgba(0,0,0,.4);border:1px solid var(--stroke);border-radius:14px;
  padding:18px 20px;overflow-x:auto;margin:0 0 22px;
}
.prose pre code{background:none;color:#CFE9E1;padding:0}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.prose th,.prose td{border:1px solid var(--stroke);padding:11px 14px;text-align:left}
.prose th{background:rgba(255,255,255,.055);color:#EAF1FB;font-weight:700}
.prose hr{border:0;border-top:1px solid var(--stroke);margin:34px 0}
.prose figcaption,.prose .caption{font-size:14px;color:var(--muted);text-align:center;margin:-12px 0 24px}

.empty-state{
  max-width:780px;margin:0 auto;text-align:center;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:64px 32px;box-shadow:var(--sh-card);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:18px;display:grid;place-items:center;
  background:rgba(255,122,122,.12);border:1px solid rgba(255,122,122,.3);
  color:var(--danger);font-size:24px;
}
.empty-state h2{font-size:24px;font-weight:700;margin:0 0 12px;color:#F3F7FD}
.empty-state p{color:var(--muted);margin:0 0 26px;font-size:15px}

/* ============ 通用区块 ============ */
.section{padding:72px 0}
.section-line{border-top:1px solid var(--stroke);position:relative}
.section-line::before{
  content:"";position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  width:180px;height:1px;background:linear-gradient(90deg,transparent,rgba(61,242,192,.55),transparent);
}
.sec-head{margin-bottom:34px;max-width:720px}
.sec-title{font-size:28px;line-height:1.35;font-weight:700;margin:0 0 12px;color:#F3F7FD}
.sec-sub{color:var(--muted);font-size:15px;margin:0}

/* ============ 继续阅读卡片 ============ */
.read-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.read-card{
  display:block;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--stroke);border-radius:var(--r-card);overflow:hidden;
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
  color:var(--text);
}
.read-card:hover{
  transform:translateY(-2px);border-color:rgba(61,242,192,.45);
  box-shadow:var(--sh-glow);color:var(--text);
}
.read-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.read-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.read-card:hover .read-thumb img{transform:scale(1.04)}
.read-body{padding:22px 24px 24px}
.read-body h3{font-size:20px;font-weight:700;margin:12px 0 10px;color:#F1F6FD;line-height:1.45}
.read-body p{color:var(--muted);font-size:14.5px;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-more{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:7px}

/* ============ 返回频道条 ============ */
.back-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(120deg,rgba(61,242,192,.1),rgba(124,92,255,.12));
  border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:30px 34px;box-shadow:var(--sh-card);
}
.back-strip h2{font-size:22px;font-weight:700;margin:0 0 8px;color:#F3F7FD}
.back-strip p{margin:0;color:var(--text-2);font-size:15px}
.back-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;margin-top:40px;
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(14,20,40,.6),rgba(7,11,24,.95));
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(61,242,192,.5),rgba(124,92,255,.45),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:700;color:#F3F7FD;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px;border-radius:11px}
.footer-about{color:var(--muted);font-size:14.5px;line-height:1.85;margin:0;max-width:400px}
.footer-title{font-size:15px;font-weight:700;color:#EAF1FB;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--muted);font-size:14.5px}
.footer-links a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:var(--muted);font-size:14.5px}
.footer-contact span{display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 30px;border-top:1px solid var(--stroke);
  color:var(--muted);font-size:13.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .prose{padding:38px 34px}
}
@media (max-width:991px){
  .section{padding:60px 0}
  .read-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .head-panel{padding:28px 26px 24px}
  .prose{padding:32px 26px}
}
@media (max-width:767px){
  .topbar-inner{min-height:62px;padding:8px 16px;gap:12px}
  .container-x{padding:0 16px}
  .brand-text{font-size:16px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .topbar-actions .btn-ghost{display:none}
  .drawer-toggle{display:inline-flex}
  .article-head{padding:26px 0 4px}
  .article-title{margin:14px 0 16px}
  .article-meta{gap:8px 16px;font-size:13px}
  .prose{font-size:16px;padding:26px 20px;border-radius:16px}
  .prose h2{font-size:22px;margin:36px 0 14px}
  .prose h3{font-size:18px}
  .section{padding:52px 0}
  .sec-title{font-size:23px}
  .back-strip{padding:24px 22px}
  .back-actions{width:100%}
  .back-actions .btn-primary,.back-actions .btn-ghost{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .article-title{font-size:26px}
  .read-body{padding:18px 18px 20px}
  .empty-state{padding:44px 22px}
}

/* roulang page: category1 */
:root{
  --bg:#070B18;
  --panel:#0E1428;
  --panel-2:#101833;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --primary:#3DF2C0;
  --primary-soft:rgba(61,242,192,.14);
  --violet:#7C5CFF;
  --violet-soft:rgba(124,92,255,.16);
  --amber:#FFB45C;
  --text:#E6ECF5;
  --muted:#9BA9C0;
  --success:#4ADE80;
  --danger:#FF7A7A;
  --r-card:18px;
  --r-glass:20px;
  --r-btn:999px;
  --r-input:12px;
  --r-tag:8px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(61,242,192,.28),0 0 28px rgba(61,242,192,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",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:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 460px at 10% -6%, rgba(61,242,192,.10), transparent 62%),
    radial-gradient(760px 520px at 92% 4%, rgba(124,92,255,.12), transparent 64%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.022) 0 1px, transparent 1px 84px);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(900px 600px at 50% 118%, rgba(61,242,192,.07), transparent 70%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,dl,dd,dt,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.page-shell{position:relative;z-index:1;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 通用文字 ============ */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(61,242,192,.26);
  border-radius:var(--r-tag);
  padding:5px 12px;
  line-height:1.6;
  font-weight:600;
}
.eyebrow.amber{color:var(--amber);background:rgba(255,180,92,.12);border-color:rgba(255,180,92,.3);}
.eyebrow.violet{color:#B7A6FF;background:var(--violet-soft);border-color:rgba(124,92,255,.32);}
.sec-title{
  font-size:28px;
  line-height:1.35;
  font-weight:600;
  letter-spacing:.01em;
}
.sec-sub{
  color:var(--muted);
  font-size:15px;
  margin-top:10px;
  max-width:720px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#3DF2C0,#28d6aa);
  color:#04140F;
  font-weight:600;
  font-size:15px;
  line-height:1.4;
  box-shadow:0 0 0 1px rgba(61,242,192,.34),0 10px 30px rgba(61,242,192,.2);
  transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
  white-space:nowrap;
}
.btn-glow:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(61,242,192,.5),0 0 28px rgba(61,242,192,.36);
  color:#04140F;
}
.btn-glow:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:var(--r-btn);
  background:var(--glass);
  border:1px solid var(--line-strong);
  color:var(--text);
  font-weight:500;
  font-size:15px;
  line-height:1.4;
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-ghost:hover{
  border-color:rgba(61,242,192,.55);
  background:rgba(61,242,192,.08);
  color:#CFFCF0;
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:500;
  position:relative;
  padding-bottom:2px;
}
.btn-text::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:1px;
  width:0;
  background:var(--primary);
  transition:width .25s ease-out;
}
.btn-text:hover{color:#8DFBE0;}
.btn-text:hover::after{width:100%;}
.btn-glow.btn-sm,.btn-ghost.btn-sm{padding:9px 18px;font-size:14px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,24,.86);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:13px 0;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0;}
.brand-mark{
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:12px;
  display:grid;place-items:center;
  font-weight:700;
  font-size:17px;
  color:#04140F;
  background:linear-gradient(135deg,#3DF2C0,#7C5CFF);
  box-shadow:0 0 20px rgba(61,242,192,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-name{font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.06em;}
.topbar-actions{display:flex;align-items:center;gap:14px;}
.drawer-toggle{
  display:none;
  width:38px;height:38px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:var(--glass);
  color:var(--text);
  align-items:center;
  justify-content:center;
  font-size:15px;
}
.drawer-toggle:hover{border-color:rgba(61,242,192,.5);color:var(--primary);}

.channelbar{
  border-top:1px solid var(--line);
  background:rgba(14,20,40,.5);
}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:6px 0;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:9px 16px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:var(--r-tag);
  transition:color .2s ease-out,background .2s ease-out;
  white-space:nowrap;
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.channel-link.active{
  color:var(--primary);
  background:rgba(61,242,192,.08);
  font-weight:600;
}
.channel-link.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(61,242,192,.75);
}

.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(10,15,32,.98);
  padding:14px 0 20px;
}
.drawer.open{display:block;}
.drawer .container-x{display:flex;flex-direction:column;gap:8px;}
.drawer a.d-item{
  padding:12px 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--glass);
  font-size:15px;
  color:var(--text);
}
.drawer a.d-item.active{color:var(--primary);border-color:rgba(61,242,192,.4);background:rgba(61,242,192,.08);}
.drawer .d-cta{margin-top:6px;}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:20px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
}
.crumb a{color:var(--muted);transition:color .2s ease-out;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--text);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:48px 0 64px;}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.36;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,24,.62) 0%,rgba(7,11,24,.9) 62%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:44px;
  align-items:center;
}
.hero h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
  margin:18px 0 0;
}
.hero h1 .hl{
  background:linear-gradient(120deg,#3DF2C0 10%,#7C5CFF 92%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  margin-top:16px;
  font-size:17px;
  color:#C6D2E4;
  line-height:1.8;
}
.hero-desc{
  margin-top:16px;
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
  max-width:600px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat-strip{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.stat-pill{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--r-btn);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  font-size:13.5px;
  color:var(--muted);
}
.stat-pill b{
  font-size:19px;
  color:var(--primary);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.stat-pill.amber b{color:var(--amber);}
.stat-pill.violet b{color:#B7A6FF;}

.hero-figure{
  position:relative;
  border-radius:var(--r-glass);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  background:var(--panel);
}
.hero-figure img{
  width:100%;
  aspect-ratio:6/5;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  border-radius:var(--r-glass);
}
.hero-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--r-btn);
  background:rgba(7,11,24,.72);
  border:1px solid rgba(61,242,192,.34);
  backdrop-filter:blur(12px);
  font-size:12.5px;
  color:#CFFCF0;
}
.hero-badge i{color:var(--primary);}

/* ============ 板块 ============ */
.section{padding:76px 0;position:relative;}
.section + .section{border-top:1px solid var(--line);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:36px;
}

/* ============ 筛选标签 ============ */
.filters{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:34px;
}
.filter-chip{
  padding:8px 18px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--muted);
  font-size:14px;
  transition:all .2s ease-out;
}
.filter-chip:hover{border-color:rgba(61,242,192,.42);color:#CFFCF0;}
.filter-chip.active{
  background:rgba(61,242,192,.12);
  border-color:rgba(61,242,192,.5);
  color:var(--primary);
  font-weight:600;
  box-shadow:0 0 18px rgba(61,242,192,.16);
}

/* ============ 时间线 ============ */
.timeline{display:flex;flex-direction:column;}
.tl-item{position:relative;padding:0 0 28px 78px;}
.tl-item::before{
  content:"";
  position:absolute;
  left:23px;
  top:52px;
  bottom:0;
  width:1px;
  background:linear-gradient(180deg,rgba(61,242,192,.42),rgba(255,255,255,.05));
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;
  left:0;top:0;
  width:47px;height:47px;
  border-radius:14px;
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  background:rgba(61,242,192,.1);
  border:1px solid rgba(61,242,192,.3);
  box-shadow:0 0 18px rgba(61,242,192,.14);
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.tl-card:hover{
  transform:translateY(-2px);
  border-color:rgba(61,242,192,.42);
  box-shadow:0 0 0 1px rgba(61,242,192,.2),0 14px 36px rgba(0,0,0,.5);
}
.tl-card h3{font-size:20px;font-weight:600;line-height:1.4;}
.tl-card p{margin-top:10px;font-size:15px;color:#BCC8DA;line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--r-tag);
  font-size:12px;
  letter-spacing:.04em;
  background:var(--violet-soft);
  border:1px solid rgba(124,92,255,.3);
  color:#BEB0FF;
}
.tag.t-cyan{background:var(--primary-soft);border-color:rgba(61,242,192,.3);color:#7DF6D7;}
.tag.t-amber{background:rgba(255,180,92,.12);border-color:rgba(255,180,92,.32);color:var(--amber);}
.meter-row{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:18px;
}
.meter-label{font-size:12.5px;color:var(--muted);white-space:nowrap;}
.meter{
  flex:1 1 auto;
  height:6px;
  border-radius:99px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
  min-width:80px;
}
.meter i{
  display:block;
  height:100%;
  border-radius:99px;
  background:linear-gradient(90deg,#3DF2C0,#7C5CFF);
  box-shadow:0 0 12px rgba(61,242,192,.4);
}
.meter-val{font-size:12.5px;color:var(--primary);font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ============ 场景交错卡 ============ */
.scene-list{display:flex;flex-direction:column;gap:28px;}
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border-radius:var(--r-glass);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
  transition:border-color .2s ease-out;
}
.scene:hover{border-color:rgba(61,242,192,.34);}
.scene-media{position:relative;min-height:280px;}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(7,11,24,.55),rgba(7,11,24,.05));
}
.scene.rev .scene-media{order:2;}
.scene.rev .scene-media::after{background:linear-gradient(270deg,rgba(7,11,24,.55),rgba(7,11,24,.05));}
.scene-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center;}
.scene-body h3{font-size:22px;font-weight:600;line-height:1.4;margin-top:14px;}
.scene-body p{margin-top:12px;font-size:15px;color:#BCC8DA;line-height:1.85;}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.point-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:#C6D2E4;
}
.point-list li i{
  color:var(--primary);
  font-size:13px;
  margin-top:6px;
}

/* ============ 对照清单 ============ */
.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.compare-col{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  backdrop-filter:blur(14px) saturate(140%);
}
.compare-col h3{
  font-size:18px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
}
.compare-col h3 i{color:var(--primary);font-size:16px;}
.compare-col.violet h3 i{color:#B7A6FF;}
.compare-col dl{margin-top:18px;}
.compare-col dt{
  font-size:14px;
  color:var(--muted);
  letter-spacing:.03em;
  margin-top:14px;
}
.compare-col dt:first-child{margin-top:0;}
.compare-col dd{
  font-size:15px;
  color:#DDE6F3;
  margin:6px 0 0;
  padding-left:14px;
  border-left:2px solid rgba(61,242,192,.3);
  line-height:1.8;
}
.compare-col.violet dd{border-left-color:rgba(124,92,255,.4);}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:.82fr 1.18fr;
  gap:44px;
  align-items:start;
}
.faq-aside p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.9;}
.faq-aside .aside-note{
  margin-top:22px;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel-2);
  font-size:14px;
  color:#BCC8DA;
}
.faq-aside .aside-note b{color:var(--primary);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-item:hover{border-color:rgba(61,242,192,.3);}
.faq-item.open{
  border-color:rgba(61,242,192,.44);
  background:rgba(61,242,192,.055);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 22px;
  text-align:left;
  font-size:16px;
  font-weight:500;
  color:var(--text);
}
.faq-q span.q-text{flex:1 1 auto;}
.faq-q i{
  flex:0 0 auto;
  color:var(--primary);
  font-size:13px;
  transition:transform .25s ease-out;
}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease-out;
}
.faq-a p{
  padding:0 22px 20px;
  font-size:14.8px;
  color:#BCC8DA;
  line-height:1.9;
}

/* ============ CTA 表单 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-glass);
  border:1px solid rgba(61,242,192,.24);
  background:linear-gradient(140deg,rgba(61,242,192,.09),rgba(124,92,255,.1) 70%,rgba(14,20,40,.6));
  padding:44px;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 300px at 88% -20%, rgba(61,242,192,.16), transparent 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;}
.cta-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:40px;
  align-items:start;
}
.cta-copy h2{font-size:26px;font-weight:600;line-height:1.4;margin-top:14px;}
.cta-copy p{margin-top:14px;color:#C6D2E4;font-size:15px;line-height:1.9;}
.cta-copy ul{margin-top:18px;display:flex;flex-direction:column;gap:9px;}
.cta-copy ul li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#C6D2E4;}
.cta-copy ul li i{color:var(--primary);margin-top:6px;font-size:12px;}
.form-card{
  background:rgba(7,11,24,.5);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  backdrop-filter:blur(14px) saturate(140%);
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.form-row input,
.form-row textarea{
  width:100%;
  padding:12px 15px;
  border-radius:var(--r-input);
  background:rgba(9,14,30,.9);
  border:1px solid var(--line-strong);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.form-row textarea{resize:vertical;min-height:104px;line-height:1.75;}
.form-row input::placeholder,
.form-row textarea::placeholder{color:#5C6A82;}
.form-row input:focus,
.form-row textarea:focus{
  outline:none;
  border-color:rgba(61,242,192,.6);
  box-shadow:0 0 0 3px rgba(61,242,192,.14);
  background:rgba(11,17,36,.95);
}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;}
.form-tip{font-size:12.5px;color:var(--muted);}
.form-tip i{color:var(--primary);margin-right:5px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:24px;
  border-top:1px solid rgba(61,242,192,.26);
  background:linear-gradient(180deg,rgba(14,20,40,.6),rgba(7,11,24,.95));
  padding:52px 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(61,242,192,.7),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16.5px;
  font-weight:600;
}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
.footer-about{
  margin-top:16px;
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
  max-width:400px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  letter-spacing:.05em;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s ease-out,transform .2s ease-out;
  width:fit-content;
}
.footer-links a:hover{color:var(--primary);transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact span{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:42px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:#77839B;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:34px;}
  .scene-body{padding:28px 30px;}
}
@media (max-width:991px){
  .hero{padding:36px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure img{aspect-ratio:16/10;}
  .section{padding:60px 0;}
  .faq-layout{grid-template-columns:1fr;gap:30px;}
  .cta-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare{grid-template-columns:1fr;}
  .cta-band{padding:34px 26px;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .drawer-toggle{display:inline-flex;}
  .topbar-actions .btn-text{display:none;}
  .sec-title{font-size:23px;}
  .hero h1{margin-top:14px;}
  .hero-lead{font-size:15.5px;}
  .stat-pill{padding:9px 15px;font-size:12.5px;}
  .stat-pill b{font-size:17px;}
  .scene{grid-template-columns:1fr;}
  .scene.rev .scene-media{order:0;}
  .scene-media{min-height:200px;}
  .scene-media::after,.scene.rev .scene-media::after{
    background:linear-gradient(180deg,rgba(7,11,24,.2),rgba(7,11,24,.66));
  }
  .scene-body{padding:24px 22px;}
  .tl-item{padding-left:0;padding-bottom:24px;}
  .tl-item::before{display:none;}
  .tl-num{
    position:static;
    margin-bottom:12px;
    width:42px;height:42px;
  }
  .tl-card{padding:20px 18px;}
  .tl-card h3{font-size:18px;}
  .form-card{padding:22px 18px;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{flex:1 1 auto;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .brand-name{font-size:15.5px;}
  .brand-sub{display:none;}
  .channel-link{padding:8px 13px;font-size:13.5px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .cta-band{padding:26px 18px;border-radius:var(--r-card);}
  .cta-copy h2{font-size:21px;}
  .stat-strip{gap:8px;}
  .stat-pill{padding:8px 13px;font-size:12px;}
}

/* roulang page: category2 */
:root{
  --bg:#070B18;
  --panel:#0E1428;
  --panel-solid:#111832;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#3DF2C0;
  --primary-dim:rgba(61,242,192,.14);
  --accent:#7C5CFF;
  --accent-dim:rgba(124,92,255,.16);
  --warm:#FFB45C;
  --text:#E6ECF5;
  --muted:#9BA9C0;
  --success:#4ADE80;
  --danger:#FF7A7A;
  --radius-card:18px;
  --radius-panel:20px;
  --radius-input:12px;
  --radius-tag:8px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(61,242,192,.28),0 0 28px rgba(61,242,192,.22);
  --container:1200px;
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(680px 420px at 10% -8%, rgba(61,242,192,.11), transparent 62%),
    radial-gradient(780px 460px at 94% 2%, rgba(124,92,255,.11), transparent 64%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:auto,auto,58px 58px,58px 58px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7DF7D6;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:.01em;}
p{margin:0;}
ul,ol,dl,dd{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,24,.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);}
.logo:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04121F;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px rgba(61,242,192,.24);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,filter .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary-x{
  background:var(--primary);color:#04121F;
  box-shadow:0 0 0 1px rgba(61,242,192,.35),0 8px 26px rgba(61,242,192,.22);
}
.btn-primary-x:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04121F;
  box-shadow:0 0 0 1px rgba(61,242,192,.5),0 0 28px rgba(61,242,192,.4);}
.btn-ghost-x{
  background:var(--glass);border-color:var(--line-strong);color:var(--text);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-ghost-x:hover{border-color:rgba(61,242,192,.6);background:rgba(255,255,255,.09);color:var(--text);}
.btn-sm-x{padding:9px 18px;font-size:14px;}
.btn-link-x{background:none;border:0;color:var(--muted);padding:8px 4px;font-size:14px;}
.btn-link-x:hover{color:var(--primary);}

.drawer-toggle{display:none;background:var(--glass);border:1px solid var(--line-strong);color:var(--text);
  width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;font-size:16px;}

.channelbar{border-top:1px solid var(--line);background:rgba(14,20,40,.55);}
.channel-scroll{
  display:flex;gap:6px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:9px 0;-webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{height:0;display:none;}
.channel-link{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--muted);white-space:nowrap;border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-link:hover{color:var(--text);background:var(--glass);}
.channel-link.active{
  color:var(--primary);background:var(--primary-dim);border-color:rgba(61,242,192,.3);
  box-shadow:0 0 0 1px rgba(61,242,192,.18),0 0 18px rgba(61,242,192,.18);
}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(9,14,30,.98);
  padding:14px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .channel-link{display:block;width:100%;margin-bottom:8px;padding:12px 16px;border-radius:12px;}
.mobile-drawer .drawer-cta{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap;}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.45;}

/* ---------- hero ---------- */
.hero-topic{position:relative;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(7,11,24,.94) 8%,rgba(7,11,24,.72) 52%,rgba(7,11,24,.9) 100%),
                   url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.9;
}
.hero-inner{position:relative;padding:64px 0 72px;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);
  background:var(--primary-dim);border:1px solid rgba(61,242,192,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-grid h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;font-weight:700;margin-bottom:16px;}
.hero-grid h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:#C6D2E4;max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:baseline;gap:8px;
  background:var(--glass);border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:13px;color:var(--muted);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.pill b{color:var(--text);font-size:15px;font-variant-numeric:tabular-nums;}
.pill .warm{color:var(--warm);}

.hero-visual{
  position:relative;border-radius:var(--radius-panel);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,24,.05) 30%,rgba(7,11,24,.86) 100%);
}
.hero-progress{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(14,20,40,.78);border:1px solid var(--line-strong);border-radius:16px;
  padding:16px 18px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.hero-progress .hp-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:10px;}
.hero-progress .hp-head span:last-child{color:var(--primary);font-variant-numeric:tabular-nums;}
.hp-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;margin-bottom:12px;}
.hp-bar i{display:block;height:100%;width:76%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.hp-list{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);}
.hp-list b{color:var(--text);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:82px 0;}
.section + .section{border-top:1px solid var(--line);}
.section.alt{background:rgba(255,255,255,.014);}
.sec-head{max-width:740px;margin-bottom:38px;}
.sec-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--accent);
  background:var(--accent-dim);border:1px solid rgba(124,92,255,.3);
  padding:5px 12px;border-radius:var(--radius-tag);margin-bottom:14px;
}
.sec-title{font-size:clamp(22px,2.4vw,28px);font-weight:600;margin-bottom:12px;}
.sec-desc{color:var(--muted);font-size:15.5px;}

/* confirm list */
.confirm-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}
.confirm-side{position:sticky;top:150px;}
.confirm-side h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.confirm-side p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}
.mini-note{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:16px 18px;
  font-size:13.5px;color:var(--muted);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.mini-note i{color:var(--warm);margin-right:8px;}
.confirm-list{display:grid;gap:16px;}
.confirm-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.confirm-item:hover{transform:translateY(-2px);border-color:rgba(61,242,192,.4);box-shadow:var(--glow);}
.confirm-item .num{
  font-size:22px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
  border-right:1px solid var(--line);padding-right:14px;line-height:1.4;
}
.confirm-item h3{font-size:17px;margin-bottom:8px;}
.confirm-item p{color:var(--muted);font-size:14.5px;}

/* split scenario */
.split{display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:center;margin-bottom:56px;}
.split:last-child{margin-bottom:0;}
.split.reverse .split-media{order:2;}
.split.reverse .split-copy{order:1;}
.split-media{position:relative;border-radius:var(--radius-panel);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-media .media-badge{
  position:absolute;top:14px;left:14px;font-size:12px;letter-spacing:.04em;
  background:rgba(7,11,24,.72);border:1px solid rgba(61,242,192,.32);color:var(--primary);
  padding:5px 12px;border-radius:999px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.split-copy h3{font-size:22px;margin-bottom:14px;}
.split-copy > p{color:var(--muted);font-size:15.5px;margin-bottom:18px;}
.check-list{display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#C6D2E4;}
.check-list li i{color:var(--primary);margin-top:6px;font-size:13px;}

/* steps */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.steps::before{
  content:"";position:absolute;top:56px;left:5%;right:5%;height:1px;z-index:0;
  background:linear-gradient(90deg,rgba(61,242,192,.55),rgba(124,92,255,.45),rgba(61,242,192,.25));
}
.step{
  position:relative;z-index:1;border-radius:var(--radius-card);
  border:1px solid var(--line);background:rgba(17,24,50,.94);
  padding:24px 22px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-2px);border-color:rgba(61,242,192,.4);box-shadow:var(--glow);}
.step .step-num{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;display:block;margin-bottom:12px;}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.5px;}

/* compare */
.compare{
  display:grid;grid-template-columns:1fr 1fr;
  border:1px solid var(--line);border-radius:var(--radius-panel);overflow:hidden;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.compare-col{padding:30px 28px;}
.compare-col + .compare-col{border-left:1px solid var(--line);}
.compare-col h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.compare-col h3 .dot{width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(61,242,192,.7);}
.compare-col .col-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.compare-col.accent h3 .dot{background:var(--accent);box-shadow:0 0 12px rgba(124,92,255,.7);}
.compare dl{margin:0;}
.compare dt{font-size:14.5px;font-weight:600;color:var(--text);padding-top:14px;}
.compare dd{font-size:14px;color:var(--muted);padding:6px 0 14px;border-bottom:1px dashed rgba(255,255,255,.08);}
.compare dd:last-child{border-bottom:0;padding-bottom:0;}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start;}
.faq-side h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--glass);overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .2s ease,background .2s ease;
}
.faq-item.open{border-color:rgba(61,242,192,.42);background:rgba(255,255,255,.075);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:14px 20px;background:none;border:0;
  color:var(--text);font-size:16px;font-weight:600;text-align:left;cursor:pointer;
}
.faq-q .arrow{color:var(--muted);font-size:13px;transition:transform .3s ease,color .2s ease;}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 20px 20px;color:var(--muted);font-size:14.5px;}

/* cta */
.cta-band{
  border:1px solid rgba(61,242,192,.26);border-radius:24px;
  background:
    radial-gradient(520px 260px at 8% -20%,rgba(61,242,192,.16),transparent 66%),
    radial-gradient(560px 300px at 100% 120%,rgba(124,92,255,.2),transparent 68%),
    rgba(14,20,40,.86);
  padding:44px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.cta-band p{color:var(--muted);font-size:15.5px;margin-bottom:22px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.form-card{background:rgba(7,11,24,.5);border:1px solid var(--line);border-radius:var(--radius-panel);padding:24px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;background:rgba(7,11,24,.72);border:1px solid var(--line-strong);
  border-radius:var(--radius-input);padding:11px 14px;color:var(--text);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#5E6C86;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(61,242,192,.65);
  box-shadow:0 0 0 3px rgba(61,242,192,.14);
}
.field textarea{min-height:84px;resize:vertical;}
.form-tip{font-size:12.5px;color:#6E7C94;margin-top:10px;}

/* related */
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.related-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--glass);padding:26px 26px 24px;color:var(--text);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(61,242,192,.42);box-shadow:var(--glow);color:var(--text);}
.related-card .rc-label{font-size:12px;letter-spacing:.06em;color:var(--accent);margin-bottom:12px;display:block;}
.related-card h3{font-size:18px;margin-bottom:10px;}
.related-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}
.related-card .rc-more{color:var(--primary);font-size:14px;font-weight:600;}

/* footer */
.site-footer{
  border-top:1px solid rgba(61,242,192,.22);
  background:rgba(9,14,30,.9);
  box-shadow:0 -1px 0 rgba(61,242,192,.14),0 -24px 60px rgba(0,0,0,.35);
  margin-top:6px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:44px;padding:58px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-about{color:var(--muted);font-size:14px;max-width:440px;}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--muted);font-size:14px;}
.footer-links a:hover{color:var(--primary);}
.footer-contact{display:grid;gap:10px;color:var(--muted);font-size:14px;}
.footer-contact i{color:var(--primary);margin-right:8px;width:16px;text-align:center;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding:18px 0 26px;border-top:1px solid var(--line);color:#6E7C94;font-size:13px;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .confirm-grid{gap:32px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-inner{padding:48px 0 56px;}
  .confirm-grid{grid-template-columns:1fr;}
  .confirm-side{position:static;}
  .split{grid-template-columns:1fr;gap:26px;margin-bottom:44px;}
  .split.reverse .split-media{order:0;}
  .split.reverse .split-copy{order:0;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-grid > div:first-child{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .drawer-toggle{display:inline-flex;}
  .header-actions .btn-ghost-x{display:none;}
  .brandbar{padding:11px 0;}
  .logo{font-size:16px;}
  .channelbar{display:none;}
  .section{padding:52px 0;}
  .confirm-item{grid-template-columns:1fr;gap:10px;padding:20px;}
  .confirm-item .num{border-right:0;border-bottom:1px solid var(--line);padding:0 0 8px;font-size:18px;}
  .steps{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .compare-col{padding:24px 20px;}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--line);}
  .related-grid{grid-template-columns:1fr;}
  .hero-pills{gap:8px;}
  .pill{padding:8px 13px;font-size:12.5px;}
  .hero-cta .btn{width:100%;}
  .cta-band{padding:24px 20px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .hero-grid h1{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .split-copy h3{font-size:19px;}
  .faq-q{font-size:15px;padding:13px 16px;}
  .faq-a p{padding:0 16px 18px;}
}