/* roulang page: index */
:root{
  --bg:#08060F;
  --bg-soft:#0D0A18;
  --surface:#120E1F;
  --surface-2:#1A1430;
  --primary:#2DE2C6;
  --secondary:#8B5CF6;
  --accent:#FF7A45;
  --text:#F5F3FF;
  --muted:#B9B3D1;
  --border:rgba(45,226,198,.22);
  --border-strong:rgba(45,226,198,.45);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(45,226,198,.18), 0 16px 44px rgba(45,226,198,.10);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(45,226,198,.3);}
body::-webkit-scrollbar{width:10px;}
body::-webkit-scrollbar-track{background:#0D0A18;}
body::-webkit-scrollbar-thumb{background:#231A3C;border-radius:6px;}
body::-webkit-scrollbar-thumb:hover{background:#33265A;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}

.section{padding-top:80px;padding-bottom:80px;}
@media(min-width:768px){.section{padding-top:112px;padding-bottom:112px;}}
.section-alt{background:var(--bg-soft);}
.section-deep{background:var(--surface);}

.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.8125rem;letter-spacing:.08em;color:var(--primary);
  background:rgba(45,226,198,.08);
  border:1px solid var(--border);
  padding:.35rem .85rem;border-radius:999px;
}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.45rem);margin-top:18px;}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.0625rem;}
.grad-text{background:linear-gradient(135deg,#2DE2C6,#8B5CF6);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* 侧边栏 */
.sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:280px;height:100%;
  background:linear-gradient(180deg,#0F0B1A 0%,#0A0714 100%);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:26px 18px;
  transform:translateX(-100%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.sidebar.is-open{transform:translateX(0);}
@media(min-width:1024px){
  .sidebar{width:260px;transform:translateX(0);}
}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px;border-bottom:1px solid var(--border);}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,#2DE2C6,#8B5CF6);
  color:#08060F;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.95rem;letter-spacing:-.02em;
}
.brand-name{font-size:1rem;font-weight:800;line-height:1.25;}
.brand-sub{font-size:.75rem;color:var(--primary);letter-spacing:.14em;}
.nav-group{margin-top:22px;display:flex;flex-direction:column;gap:6px;}
.nav-label{font-size:.6875rem;letter-spacing:.18em;color:#6F678F;padding:0 12px 8px;text-transform:uppercase;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:.75rem;
  padding:.75rem 1rem;border-radius:10px;font-size:.9375rem;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.nav-link i{width:20px;text-align:center;font-size:.9375rem;}
.nav-link:hover{background:rgba(45,226,198,.08);color:var(--text);}
.nav-link.active{
  color:#fff;
  background:linear-gradient(90deg,rgba(45,226,198,.18),transparent);
}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--primary);
}
.sidebar-foot{margin-top:auto;padding-top:24px;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:.5rem;
  width:100%;padding:.8rem 1rem;border-radius:10px;font-weight:700;font-size:.9375rem;
  background:linear-gradient(135deg,#2DE2C6,#8B5CF6);color:#08060F;
  transition:filter .2s ease,transform .2s ease;
}
.side-cta:hover{filter:brightness(1.08);transform:translateY(-1px);}
.side-note{font-size:.75rem;color:#6F678F;text-align:center;margin-top:12px;}

.mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.mask.is-open{opacity:1;visibility:visible;}
@media(min-width:1024px){.mask{display:none;}}

.shell{min-height:100vh;}
@media(min-width:1024px){.shell{margin-left:260px;}}

.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  background:rgba(8,6,15,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
@media(min-width:1024px){.topbar{display:none;}}
.topbar-brand{display:flex;align-items:center;gap:10px;}
.menu-btn{
  width:42px;height:42px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:var(--surface);
  color:var(--primary);cursor:pointer;transition:background .2s ease;
}
.menu-btn:hover{background:rgba(45,226,198,.1);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--border);
  background-image:
    linear-gradient(100deg,rgba(8,6,15,.97) 0%,rgba(8,6,15,.88) 44%,rgba(8,6,15,.58) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(45,226,198,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(45,226,198,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 30% 40%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 40%,#000 0%,transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(180deg,rgba(255,255,255,.03) 0 1px,transparent 1px 4px);
  opacity:.5;
}
.hero-inner{
  position:relative;z-index:2;
  padding-top:78px;padding-bottom:78px;
  display:grid;gap:48px;
}
@media(min-width:768px){.hero-inner{padding-top:96px;padding-bottom:96px;}}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 340px;align-items:center;min-height:640px;}
}
.hero h1{
  font-size:clamp(2.35rem,5vw,4rem);
  line-height:1.08;
  margin-top:20px;
  font-weight:850;
}
.hero-sub{color:var(--muted);font-size:1.0625rem;margin-top:22px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:34px;}
.hero-badges li{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--muted);}
.hero-badges i{color:var(--primary);}

.btn-primary{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:10px;font-weight:700;font-size:.9375rem;
  background:linear-gradient(135deg,#2DE2C6,#8B5CF6);color:#08060F;
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 34px rgba(45,226,198,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:10px;font-weight:600;font-size:.9375rem;
  border:1px solid var(--border-strong);color:var(--text);background:transparent;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-outline:hover{background:rgba(45,226,198,.1);transform:translateY(-1px);border-color:var(--primary);}
.btn-outline:active{transform:translateY(1px);}
.btn-text{display:inline-flex;align-items:center;gap:.45rem;color:var(--primary);font-weight:600;font-size:.9375rem;}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(4px);}

.hero-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:18px;
  padding:26px;
  box-shadow:var(--shadow);
}
.hero-card-title{font-size:.75rem;letter-spacing:.18em;color:#6F678F;margin-bottom:16px;}
.quick-link{
  display:flex;align-items:center;gap:14px;
  padding:14px;border-radius:12px;
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.quick-link:hover{background:rgba(45,226,198,.08);border-color:var(--border);transform:translateX(3px);}
.quick-ico{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(45,226,198,.12);color:var(--primary);font-size:.9375rem;
}
.quick-link strong{display:block;font-size:.9375rem;font-weight:700;}
.quick-link span{display:block;font-size:.8125rem;color:var(--muted);line-height:1.5;}

/* 卡片 */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow);}
.card-pad{padding:28px;}
.card h3{font-size:1.25rem;margin-bottom:12px;}
.card p{color:var(--muted);font-size:.9375rem;}
.card:hover h3{color:var(--primary);}
.card-ico{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(45,226,198,.16),rgba(139,92,246,.16));
  color:var(--primary);font-size:1.0625rem;margin-bottom:20px;
}
.card-media{border-radius:12px;overflow:hidden;border:1px solid var(--border);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}

.badge{
  display:inline-flex;align-items:center;gap:.35rem;
  font-size:.75rem;font-weight:600;
  padding:.25rem .7rem;border-radius:999px;
  background:rgba(139,92,246,.18);color:#C9B8FF;border:1px solid rgba(139,92,246,.3);
}
.badge-hot{background:rgba(255,122,69,.16);color:#FFB18C;border-color:rgba(255,122,69,.34);}

.bento{display:grid;gap:24px;}
@media(min-width:1024px){
  .bento{grid-template-columns:repeat(12,1fr);}
  .b-7{grid-column:span 7;}
  .b-5{grid-column:span 5;}
  .b-8{grid-column:span 8;}
  .b-4{grid-column:span 4;}
}
.big-card{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#161029 0%,#120E1F 60%);
}
.big-card .card-media{aspect-ratio:16/9;margin-bottom:24px;}
.list-check{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.list-check li{display:flex;align-items:flex-start;gap:.6rem;font-size:.9375rem;color:var(--muted);}
.list-check i{color:var(--primary);margin-top:.35rem;font-size:.75rem;}

/* 数据 */
.stats{display:grid;gap:24px;}
@media(min-width:640px){.stats{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);}}
.stat{
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:30px 26px;
  transition:transform .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--border-strong);}
.stat-num{
  font-size:clamp(2.6rem,4vw,3.6rem);
  font-weight:800;line-height:1;
  font-family:"Space Grotesk","Inter",-apple-system,sans-serif;
}
.stat-label{margin-top:14px;font-size:1rem;font-weight:700;}
.stat-desc{margin-top:6px;font-size:.875rem;color:var(--muted);}

/* 资讯列表 */
.news-list{display:grid;gap:24px;}
@media(min-width:1024px){.news-list{grid-template-columns:repeat(2,1fr);}}
.news-item{display:flex;gap:20px;padding:20px;}
.news-item .thumb{
  flex:0 0 148px;width:148px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;
  border:1px solid var(--border);
}
.news-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-item:hover .thumb img{transform:scale(1.05);}
.news-body{min-width:0;display:flex;flex-direction:column;}
.news-body h3{font-size:1.0625rem;line-height:1.5;margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:.875rem;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:14px;font-size:.8125rem;color:#8C86A8;}
.news-meta i{color:var(--primary);margin-right:.3rem;}
@media(max-width:560px){
  .news-item{flex-direction:column;}
  .news-item .thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
}
.empty-state{
  border:1px dashed var(--border-strong);
  border-radius:var(--radius);
  padding:56px 24px;text-align:center;color:var(--muted);
  background:rgba(45,226,198,.03);
}
.empty-state i{font-size:1.8rem;color:var(--primary);opacity:.6;display:block;margin-bottom:16px;}

/* 案例横向滚动 */
.rail{
  display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
}
.rail::-webkit-scrollbar{height:8px;}
.rail::-webkit-scrollbar-track{background:#0D0A18;border-radius:8px;}
.rail::-webkit-scrollbar-thumb{background:#2A2049;border-radius:8px;}
.rail-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow);}
.rail-card .media{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--border);}
.rail-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rail-card:hover .media img{transform:scale(1.05);}
.rail-card .body{padding:22px;}
.rail-card h3{font-size:1.0625rem;margin:12px 0 10px;}
.rail-card p{font-size:.875rem;color:var(--muted);}
@media(max-width:520px){.rail-card{flex:0 0 280px;}}

/* 时间线 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(139,92,246,.25),transparent);
}
.tl-item{position:relative;padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;
  width:19px;height:19px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);
  box-shadow:0 0 0 5px rgba(45,226,198,.09);
}
.tl-idx{
  font-family:"Space Grotesk","Inter",sans-serif;
  font-size:.75rem;letter-spacing:.16em;color:var(--primary);font-weight:700;
}
.tl-item h3{font-size:1.1875rem;margin:8px 0 10px;}
.tl-item p{color:var(--muted);font-size:.9375rem;max-width:720px;}
.plans-wrap{display:grid;gap:48px;}
@media(min-width:1024px){.plans-wrap{grid-template-columns:340px minmax(0,1fr);gap:64px;}}
.sticky-head{position:sticky;top:40px;}

/* FAQ */
.faq-wrap{display:grid;gap:44px;}
@media(min-width:1024px){.faq-wrap{grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:64px;}}
.faq-item{
  border:1px solid var(--border);border-radius:12px;
  background:var(--surface);margin-bottom:14px;overflow:hidden;
  transition:background .2s ease,border-color .2s ease;
}
.faq-item:hover{background:rgba(45,226,198,.06);border-color:var(--border-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:1rem;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--primary);transition:transform .25s ease;flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-body{padding:0 22px 22px;color:var(--muted);font-size:.9375rem;line-height:1.85;}

/* 联系 */
.contact-wrap{display:grid;gap:32px;}
@media(min-width:1024px){.contact-wrap{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:44px;}}
.form-panel{
  background:var(--surface);border:1px solid var(--border);
  border-radius:18px;padding:32px;box-shadow:var(--shadow);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:8px;}
.field .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%;padding:13px 14px;border-radius:10px;
  background:var(--bg-soft);border:1px solid var(--border);
  color:var(--text);font-size:.9375rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(45,226,198,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#6F678F;}
.form-row{display:grid;gap:20px;}
@media(min-width:640px){.form-row{grid-template-columns:repeat(2,1fr);}}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--muted);}
.check-line input{width:17px;height:17px;margin-top:5px;accent-color:#2DE2C6;flex:0 0 auto;}
.form-hint{font-size:.8125rem;color:#6F678F;margin-top:14px;}
.info-card{
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:18px;padding:32px;
}
.info-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(45,226,198,.12);}
.info-row:last-child{border-bottom:none;padding-bottom:0;}
.info-row:first-child{padding-top:0;}
.info-row i{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(45,226,198,.1);color:var(--primary);
}
.info-row strong{display:block;font-size:.9375rem;margin-bottom:4px;}
.info-row span{display:block;font-size:.875rem;color:var(--muted);}

/* 页脚 */
.site-footer{
  background:#0D0A18;border-top:1px solid var(--border);
  padding-top:64px;padding-bottom:28px;
}
.foot-grid{display:grid;gap:40px;}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}}
.foot-title{font-size:.8125rem;letter-spacing:.14em;color:#6F678F;margin-bottom:18px;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:.9375rem;color:var(--muted);transition:color .2s ease,padding-left .2s ease;}
.foot-links a:hover{color:var(--primary);padding-left:4px;}
.foot-brand p{color:var(--muted);font-size:.9375rem;margin-top:16px;max-width:340px;}
.foot-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(45,226,198,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:#6F678F;
}
.foot-bottom a:hover{color:var(--primary);}

/* roulang page: article */
:root{
  --bg:#08060F;
  --bg-soft:#0D0A18;
  --surface:#120E1F;
  --surface-2:#1A1430;
  --primary:#2DE2C6;
  --secondary:#8B5CF6;
  --accent:#FF7A45;
  --text:#F5F3FF;
  --muted:#B9B3D1;
  --border:rgba(45,226,198,.22);
  --border-strong:rgba(45,226,198,.45);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(45,226,198,.18),0 16px 44px rgba(45,226,198,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(45,226,198,.28);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0A0713;}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#2DE2C6,#8B5CF6);border-radius:10px;border:2px solid #0A0713;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-x{padding:0 32px;}}

/* ============ 左侧 App Shell ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:260px;
  display:none;flex-direction:column;
  padding:22px 18px 26px;
  background:linear-gradient(180deg,#0D0A18 0%,#08060F 100%);
  border-right:1px solid var(--border);
  z-index:70;overflow-y:auto;
}
@media(min-width:1024px){.app-sidebar{display:flex;}}
.sidebar-brand{
  display:flex;align-items:center;gap:12px;
  padding:12px;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);transition:border-color .22s ease,transform .22s ease;
}
.sidebar-brand:hover{border-color:var(--border-strong);transform:translateY(-2px);}
.brand-mark{
  flex:0 0 auto;width:44px;height:44px;display:grid;place-items:center;
  border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#08060F;font-weight:800;font-size:.92rem;letter-spacing:.02em;
}
.brand-name{display:block;font-size:1.02rem;font-weight:800;line-height:1.3;}
.brand-sub{display:block;font-size:.78rem;color:var(--muted);letter-spacing:.12em;line-height:1.5;}
.nav-group{display:flex;flex-direction:column;gap:6px;margin-top:28px;}
.nav-label{font-size:.7rem;letter-spacing:.22em;color:var(--muted);padding:0 12px 8px;text-transform:uppercase;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:10px;color:var(--muted);
  font-size:.95rem;transition:background .22s ease,color .22s ease;
}
.nav-link i{width:20px;text-align:center;color:var(--primary);opacity:.72;font-size:.95rem;}
.nav-link:hover{background:rgba(45,226,198,.08);color:#fff;}
.nav-link.active{color:#fff;background:linear-gradient(90deg,rgba(45,226,198,.18),transparent);}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:var(--primary);box-shadow:0 0 12px rgba(45,226,198,.85);
}
.sidebar-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}
.sidebar-note{font-size:.8rem;color:var(--muted);line-height:1.7;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:12px 22px;border-radius:10px;font-size:.95rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#08060F;box-shadow:0 12px 30px rgba(45,226,198,.22);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 18px 40px rgba(45,226,198,.3);}
.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(45,226,198,.10);transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:.92rem;}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(5px);}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  position:sticky;top:0;z-index:65;
  background:rgba(8,6,15,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
@media(min-width:1024px){.mobile-bar{display:none;}}
.mobile-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;}
.menu-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);display:grid;place-items:center;cursor:pointer;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;opacity:0;visibility:hidden;transition:.25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  background:#0F0B1A;border-right:1px solid var(--border);padding:22px 18px;
  transform:translateX(-105%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);display:grid;place-items:center;cursor:pointer;
}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--border);
  background:
    radial-gradient(circle at 78% 12%,rgba(45,226,198,.16),transparent 42%),
    radial-gradient(circle at 12% 82%,rgba(139,92,246,.18),transparent 46%),
    linear-gradient(180deg,#0D0A18,#08060F);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.09;
  background-image:linear-gradient(rgba(45,226,198,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(45,226,198,.55) 1px,transparent 1px);
  background-size:64px 64px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);position:relative;z-index:2;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.crumb .now{color:var(--text);max-width:min(100%,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.channel-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(139,92,246,.16);border:1px solid rgba(139,92,246,.4);
  color:#C9B6FF;font-size:.78rem;letter-spacing:.08em;
}
.article-title{
  font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.18;font-weight:850;letter-spacing:-.02em;
  position:relative;z-index:2;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.86rem;color:var(--muted);position:relative;z-index:2;}
.article-meta i{color:var(--primary);margin-right:6px;}

/* ============ 正文排版 ============ */
.article-shell{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  padding:26px 22px;box-shadow:var(--shadow);
}
@media(min-width:768px){.article-shell{padding:44px 48px;}}
.article-body{max-width:780px;margin:0 auto;font-size:1.0625rem;line-height:1.9;color:#E7E3F7;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:1.2em 0;}
.article-body h2{
  font-size:clamp(1.4rem,2.4vw,1.8rem);line-height:1.3;margin:2.4em 0 .8em;
  padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:1.25rem;margin:1.8em 0 .6em;color:#fff;}
.article-body h4{font-size:1.08rem;margin:1.5em 0 .5em;color:var(--primary);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(45,226,198,.4);}
.article-body a:hover{color:#7FF3E1;}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:1.5em;}
.article-body li{margin:.5em 0;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:1.8em 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:rgba(45,226,198,.06);border-radius:0 12px 12px 0;color:#DCD8F0;
}
.article-body img{border-radius:12px;border:1px solid var(--border);margin:1.6em auto;}
.article-body pre{
  background:#0A0713;border:1px solid var(--border);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-size:.92rem;margin:1.6em 0;
}
.article-body code{background:rgba(139,92,246,.18);padding:2px 7px;border-radius:6px;font-size:.92em;color:#D6C7FF;}
.article-body pre code{background:none;padding:0;color:#E7E3F7;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.94rem;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-body th{background:rgba(45,226,198,.08);color:#fff;}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2.4em 0;}

/* ============ 通用卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow);}
.sec-title{font-size:clamp(1.55rem,2.8vw,2.3rem);line-height:1.22;font-weight:800;}
.sec-sub{color:var(--muted);font-size:.98rem;line-height:1.85;}
.eyebrow{color:var(--primary);font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;font-weight:700;}

.rel-card{display:flex;flex-direction:column;gap:14px;overflow:hidden;padding:0;}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--border);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:1.05rem;line-height:1.5;}
.rel-card:hover h3{color:var(--primary);}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:.74rem;background:rgba(45,226,198,.12);border:1px solid var(--border);
  color:var(--primary);letter-spacing:.04em;
}
.meta-line{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.8rem;color:var(--muted);margin-top:auto;}
.meta-line i{color:var(--primary);margin-right:5px;}

.notice-empty{
  border:1px dashed var(--border-strong);border-radius:var(--radius);
  padding:44px 24px;text-align:center;background:rgba(45,226,198,.04);
}
.notice-empty i{font-size:1.9rem;color:var(--primary);}

/* ============ FAQ ============ */
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 16px;border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:700;font-size:1rem;transition:background .22s ease,color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(45,226,198,.06);color:var(--primary);}
.faq-item summary .plus{color:var(--primary);transition:transform .25s ease;font-size:1.05rem;}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-answer{padding:0 16px 20px;color:var(--muted);line-height:1.85;font-size:.95rem;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--border);border-radius:18px;
  background:
    radial-gradient(circle at 85% 20%,rgba(139,92,246,.28),transparent 48%),
    radial-gradient(circle at 8% 90%,rgba(45,226,198,.22),transparent 46%),
    var(--surface-2);
  padding:36px 26px;
}
@media(min-width:768px){.cta-band{padding:52px 48px;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);margin-top:0;}
.foot-grid{
  display:grid;grid-template-columns:1fr;gap:34px;padding:56px 0 34px;
}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.foot-brand p{color:var(--muted);font-size:.9rem;line-height:1.85;margin-top:16px;max-width:340px;}
.foot-title{font-size:.95rem;font-weight:800;margin-bottom:16px;color:#fff;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{color:var(--muted);font-size:.9rem;}
.foot-links a:hover{color:var(--primary);}
.foot-bottom{
  border-top:1px solid var(--border);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  color:var(--muted);font-size:.82rem;
}

/* roulang page: category1 */
:root{
  --bg:#08060F;--bg-soft:#0D0A18;--surface:#120E1F;--surface-2:#1A1430;
  --primary:#2DE2C6;--secondary:#8B5CF6;--accent:#FF7A45;
  --text:#F5F3FF;--muted:#B9B3D1;
  --border:rgba(45,226,198,.22);--border-strong:rgba(45,226,198,.45);
  --radius:14px;--radius-sm:10px;
  --shadow:0 20px 50px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(45,226,198,.18),0 16px 44px rgba(45,226,198,.10);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::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:var(--font-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
::selection{background:rgba(45,226,198,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0B0814}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(45,226,198,.5),rgba(139,92,246,.5));border-radius:8px;border:2px solid #0B0814}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#2DE2C6,#8B5CF6)}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}

/* ===== 左侧 App Shell ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:260px;z-index:60;
  background:var(--bg-soft);border-right:1px solid var(--border);
  padding:24px 18px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.sidebar-brand{
  display:flex;align-items:center;gap:12px;padding:10px 12px;
  border:1px solid var(--border);border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(45,226,198,.12),rgba(139,92,246,.12));
  transition:border-color .25s, box-shadow .25s;
}
.sidebar-brand:hover{border-color:var(--border-strong);box-shadow:var(--glow)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2DE2C6,#8B5CF6);color:#08060F;
  font-weight:800;font-size:.82rem;letter-spacing:.02em;
}
.brand-name{display:block;font-weight:800;font-size:1rem;line-height:1.25;color:var(--text)}
.brand-sub{display:block;font-size:.76rem;color:var(--muted);letter-spacing:.16em;margin-top:2px}
.nav-label{display:block;font-size:.72rem;letter-spacing:.24em;color:var(--muted);margin:0 12px 10px}
.nav-group{display:flex;flex-direction:column;gap:6px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:background .22s,color .22s,transform .22s;
}
.nav-link i{width:20px;text-align:center;font-size:15px}
.nav-link:hover{background:rgba(45,226,198,.08);color:var(--text);transform:translateX(2px)}
.nav-link.active{color:#fff;background:linear-gradient(90deg,rgba(45,226,198,.18),transparent)}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--primary);box-shadow:0 0 12px rgba(45,226,198,.85);
}
.sidebar-foot{margin-top:auto;border-top:1px solid var(--border);padding-top:18px}
.sidebar-foot p{font-size:.8rem;color:var(--muted);line-height:1.7;margin-bottom:12px}

/* ===== 顶部移动栏与抽屉 ===== */
.topbar{
  position:sticky;top:0;z-index:70;background:rgba(8,6,15,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border);
}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px}
.menu-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:rgba(45,226,198,.08);color:var(--text);cursor:pointer;
  display:grid;place-items:center;transition:.22s;
}
.menu-btn:hover{border-color:var(--border-strong);background:rgba(45,226,198,.14)}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  background:#0F0B1A;border-right:1px solid var(--border);
  padding:22px 18px;overflow-y:auto;transform:translateX(-100%);
  transition:transform .3s ease;
}
.drawer.open{transform:translateX(0)}
.scrim{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.scrim.show{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center;
}
.drawer-close:hover{color:var(--text);border-color:var(--border-strong)}

.main-area{width:100%}
@media (min-width:1024px){
  .sidebar{display:flex}
  .topbar,.drawer,.scrim{display:none}
  .main-area{margin-left:260px}
}
@media (max-width:1023.98px){
  .sidebar{display:none}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border-radius:10px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .25s,background .25s,filter .25s,border-color .25s;
}
.btn-primary{
  background:linear-gradient(135deg,#2DE2C6,#8B5CF6);color:#08060F;
  box-shadow:0 14px 34px rgba(45,226,198,.22);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 18px 42px rgba(45,226,198,.34);color:#08060F}
.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(45,226,198,.10);color:var(--text);transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:10px 16px;font-size:.88rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:.92rem}
.link-arrow i{transition:transform .25s}
.link-arrow:hover i{transform:translateX(4px)}

/* ===== 标签与徽章 ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:.78rem;font-weight:600;color:var(--primary);
  background:rgba(45,226,198,.10);border:1px solid var(--border);
}
.tag-purple{color:#C4B5FD;background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.35)}
.tag-orange{color:#FFB392;background:rgba(255,122,69,.12);border-color:rgba(255,122,69,.35)}

/* ===== Hero ===== */
.page-hero{
  position:relative;overflow:hidden;min-height:380px;display:flex;align-items:center;
  background-image:
    linear-gradient(90deg,rgba(8,6,15,.95) 0%,rgba(8,6,15,.80) 46%,rgba(8,6,15,.52) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px),
    radial-gradient(rgba(45,226,198,.18) 1px,transparent 1px);
  background-size:120px 120px,180px 180px;
  background-position:0 0,60px 42px;
}
.hero-inner{position:relative;z-index:2;padding:64px 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.crumb span{color:rgba(185,179,209,.6)}
.hero-title{
  font-size:clamp(2.35rem,5vw,3.6rem);line-height:1.1;font-weight:850;
  letter-spacing:-.5px;max-width:760px;
  background:linear-gradient(120deg,#F5F3FF 24%,#8BE9DA 62%,#C4B5FD 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;max-width:620px;color:var(--muted);font-size:1.05rem;line-height:1.85}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}

/* ===== 板块 ===== */
.section{padding:72px 0}
@media (min-width:768px){.section{padding:96px 0}}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;letter-spacing:.22em;color:var(--primary);margin-bottom:14px;text-transform:uppercase}
.sec-title{font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.2;font-weight:800;letter-spacing:-.3px}
.sec-desc{margin-top:14px;color:var(--muted);font-size:1rem}

/* ===== 卡片 ===== */
.panel{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
  display:flex;flex-direction:column;height:100%;overflow:hidden;
}
.panel:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow)}
.panel-body{padding:26px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.panel-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(45,226,198,.18),rgba(139,92,246,.20));
  border:1px solid var(--border);color:var(--primary);font-size:1.05rem;
}
.panel-title{font-size:1.25rem;font-weight:750;line-height:1.35}
.panel:hover .panel-title{color:var(--primary)}
.panel-text{color:var(--muted);font-size:.96rem;line-height:1.8}
.panel-foot{margin-top:auto;padding-top:6px}
.panel-media{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.panel-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .5s}
.panel:hover .panel-media img{transform:scale(1.04)}
.panel-num{
  position:absolute;top:14px;left:14px;z-index:2;padding:5px 12px;border-radius:999px;
  font-size:.76rem;font-weight:700;color:#08060F;background:linear-gradient(135deg,#2DE2C6,#8B5CF6);
}

/* ===== 时间线 ===== */
.timeline{position:relative;padding-left:36px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(45,226,198,.65),rgba(139,92,246,.3),transparent);
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-36px;top:2px;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:.72rem;font-weight:800;color:#08060F;
  background:linear-gradient(135deg,#2DE2C6,#8B5CF6);
  box-shadow:0 0 0 4px rgba(45,226,198,.10);
}
.tl-title{font-size:1.1rem;font-weight:750;margin-bottom:8px}
.tl-text{color:var(--muted);font-size:.95rem}

/* ===== 提示列表 ===== */
.checklist{display:flex;flex-direction:column;gap:16px}
.checklist li{display:flex;gap:14px;align-items:flex-start}
.checklist i{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:.75rem;color:#08060F;background:linear-gradient(135deg,#2DE2C6,#8B5CF6);margin-top:4px;
}
.checklist strong{display:block;font-weight:700;margin-bottom:4px}
.checklist span{color:var(--muted);font-size:.94rem}
.warn-card{
  border-color:rgba(255,122,69,.35);background:linear-gradient(160deg,rgba(255,122,69,.10),rgba(18,14,31,.96));
}
.warn-card .panel-icon{color:var(--accent);background:rgba(255,122,69,.14);border-color:rgba(255,122,69,.35)}
.fig{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--surface-2)}
.fig img{border-radius:12px;width:100%;object-fit:cover}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--border);border-radius:12px;background:var(--surface);
  overflow:hidden;transition:background .22s,border-color .22s;
}
.faq-item:hover{background:rgba(45,226,198,.06)}
.faq-item[open]{border-color:var(--border-strong);background:rgba(45,226,198,.05)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-weight:700;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--primary);font-size:1.35rem;line-height:1;
  transition:transform .25s;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 20px 20px;color:var(--muted);font-size:.95rem;line-height:1.85}

/* ===== CTA ===== */
.cta-panel{
  position:relative;overflow:hidden;border:1px solid var(--border-strong);
  border-radius:18px;background:linear-gradient(135deg,rgba(45,226,198,.12),rgba(139,92,246,.14) 55%,rgba(18,14,31,.96));
  padding:38px 32px;box-shadow:var(--shadow);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,226,198,.22),transparent 70%);
}
.cta-title{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.25}
.cta-text{color:var(--muted);margin-top:12px;max-width:520px}
.info-card{
  background:rgba(13,10,24,.85);border:1px solid var(--border);border-radius:14px;
  padding:24px;position:relative;z-index:2;
}
.info-row{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed rgba(45,226,198,.14);font-size:.93rem}
.info-row:last-child{border-bottom:none}
.info-row i{color:var(--primary);width:18px;text-align:center;margin-top:5px}
.info-row span{color:var(--muted)}
.info-row b{color:var(--text);font-weight:600}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:56px 0 26px}
.foot-grid{display:grid;gap:32px;grid-template-columns:1.5fr 1fr 1fr 1fr}
.foot-brand p{color:var(--muted);font-size:.92rem;margin-top:16px;max-width:340px;line-height:1.85}
.foot-title{font-weight:750;margin-bottom:14px;font-size:.95rem;color:var(--text)}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:.92rem;color:var(--muted)}
.foot-links a{color:var(--muted);transition:color .2s,transform .2s}
.foot-links a:hover{color:var(--primary);transform:translateX(3px)}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.84rem;color:var(--muted);
}
@media (max-width:1023px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .page-hero{min-height:340px}
  .hero-inner{padding:52px 0}
  .section{padding:60px 0}
  .cta-panel{padding:28px 22px}
}

/* roulang page: category2 */
:root{
  --bg:#08060F;
  --bg-soft:#0D0A18;
  --surface:#120E1F;
  --surface-2:#1A1430;
  --primary:#2DE2C6;
  --secondary:#8B5CF6;
  --accent:#FF7A45;
  --text:#F5F3FF;
  --muted:#B9B3D1;
  --border:rgba(45,226,198,.22);
  --border-strong:rgba(45,226,198,.45);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(45,226,198,.18),0 16px 44px rgba(45,226,198,.10);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  --font-num:"Space Grotesk","Inter","PingFang SC",sans-serif;
}
*,*::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:var(--font);
  font-size:1rem;line-height:1.8;font-weight:400;
  background-image:
    radial-gradient(circle at 12% 8%,rgba(45,226,198,.07),transparent 42%),
    radial-gradient(circle at 88% 4%,rgba(139,92,246,.09),transparent 45%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease;}
a:hover{color:var(--primary);}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.2;}
p{margin:0;}
::selection{background:rgba(45,226,198,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0A0813;}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(45,226,198,.45),rgba(139,92,246,.45));border-radius:20px;border:2px solid #0A0813;}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,rgba(45,226,198,.7),rgba(139,92,246,.7));}

/* 布局 */
.container-x{max-width:1240px;margin:0 auto;padding:0 20px;width:100%;}
.app-main{min-height:100vh;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-soft);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
  color:var(--primary);background:rgba(45,226,198,.09);border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.04em;
}
.sec-title{font-size:clamp(1.7rem,3vw,2.45rem);margin-bottom:16px;}
.sec-desc{color:var(--muted);font-size:1.0625rem;line-height:1.85;}

/* 侧边导航 */
.sidebar{
  position:fixed;top:0;left:0;width:260px;height:100dvh;z-index:60;
  background:var(--bg-soft);border-right:1px solid var(--border);
  padding:22px 16px 26px;overflow-y:auto;
  transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.sidebar.open{transform:translateX(0);}
.sidebar-brand{
  display:flex;align-items:center;gap:12px;padding:6px 8px 18px;
  border-bottom:1px solid var(--border);margin-bottom:20px;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#08060F;font-weight:800;font-size:.875rem;letter-spacing:-.02em;
}
.brand-name{display:block;font-weight:800;font-size:1.0625rem;line-height:1.3;color:var(--text);}
.brand-sub{display:block;font-size:.75rem;color:var(--primary);letter-spacing:.14em;font-weight:600;}
.nav-group{display:flex;flex-direction:column;gap:6px;}
.nav-label{
  font-size:.6875rem;letter-spacing:.2em;color:rgba(185,179,209,.6);
  text-transform:uppercase;padding:6px 14px 10px;font-weight:600;
}
.nav-link{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:500;color:var(--muted);position:relative;
  border-left:3px solid transparent;transition:all .22s ease;
}
.nav-link i{width:20px;font-size:1rem;text-align:center;color:rgba(185,179,209,.75);transition:color .22s ease;}
.nav-link:hover{background:rgba(45,226,198,.08);color:var(--text);}
.nav-link:hover i{color:var(--primary);}
.nav-link.active{
  color:#fff;font-weight:600;
  background:linear-gradient(90deg,rgba(45,226,198,.18),transparent);
  border-left-color:var(--primary);
}
.nav-link.active i{color:var(--primary);}
.sidebar-cta{
  margin-top:26px;padding-top:22px;border-top:1px solid var(--border);
}
.btn-block{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:12px 18px;border-radius:var(--radius-sm);font-size:.9375rem;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--secondary));color:#08060F;
  border:none;cursor:pointer;transition:all .22s ease;
}
.btn-block:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 30px rgba(45,226,198,.28);color:#08060F;}
.sidebar-note{margin-top:16px;font-size:.8125rem;color:var(--muted);line-height:1.7;}

/* 移动端顶栏 */
.mobile-bar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;background:rgba(8,6,15,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.mobile-brand{display:flex;align-items:center;gap:10px;}
.mobile-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:.8rem;}
.mobile-brand .brand-name{font-size:.9375rem;}
.mobile-brand .brand-sub{font-size:.6875rem;letter-spacing:.1em;}
.menu-btn{
  width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:rgba(45,226,198,.08);color:var(--primary);font-size:1.05rem;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:all .22s ease;
}
.menu-btn:hover{background:rgba(45,226,198,.18);border-color:var(--border-strong);}
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:55;display:none;
}
.overlay.show{display:block;}

@media (min-width:1024px){
  .sidebar{transform:none;}
  .mobile-bar{display:none;}
  .app-main{margin-left:260px;}
  .overlay{display:none!important;}
}

/* 内页 Hero */
.inner-hero{
  position:relative;overflow:hidden;
  min-height:380px;display:flex;align-items:center;
  padding:64px 0 56px;
  background-image:
    linear-gradient(100deg,rgba(8,6,15,.95) 0%,rgba(8,6,15,.82) 48%,rgba(8,6,15,.62) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.inner-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 18% 30%,rgba(45,226,198,.18) 0,rgba(45,226,198,0) 40%),
    radial-gradient(circle at 78% 18%,rgba(139,92,246,.2) 0,rgba(139,92,246,0) 42%);
  opacity:.9;
}
.inner-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:
    linear-gradient(rgba(45,226,198,.6) 1px,transparent 1px),
    linear-gradient(90deg,rgba(45,226,198,.6) 1px,transparent 1px);
  background-size:52px 52px;
}
.hero-inner{position:relative;z-index:2;max-width:780px;}
.crumb{
  display:flex;align-items:center;gap:10px;font-size:.875rem;color:var(--muted);
  margin-bottom:20px;flex-wrap:wrap;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb i{font-size:.625rem;color:rgba(185,179,209,.55);}
.crumb .current{color:var(--primary);font-weight:600;}
.hero-inner h1{
  font-size:clamp(2.1rem,4.4vw,3.5rem);line-height:1.1;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-inner h1 .hl{
  background:linear-gradient(120deg,var(--primary),var(--secondary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:1.0625rem;line-height:1.9;max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-sm);font-size:.9375rem;font-weight:700;
  cursor:pointer;border:1px solid transparent;transition:all .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--secondary));color:#08060F;
  box-shadow:0 12px 30px rgba(45,226,198,.2);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 38px rgba(45,226,198,.34);color:#08060F;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(45,226,198,.10);border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-text{background:transparent;border:none;color:var(--primary);padding:10px 2px;font-weight:600;}
.btn-text i{transition:transform .22s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* 筛选标签 */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:18px;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);margin-bottom:34px;
}
.filter-bar .filter-label{
  font-size:.8125rem;color:var(--muted);letter-spacing:.06em;margin-right:6px;font-weight:600;
}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 18px;border-radius:999px;font-size:.875rem;font-weight:600;
  background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.3);color:var(--muted);
  cursor:pointer;transition:all .22s ease;
}
.chip:hover{color:var(--text);border-color:var(--border-strong);background:rgba(45,226,198,.1);}
.chip.is-active{
  background:linear-gradient(135deg,rgba(45,226,198,.22),rgba(139,92,246,.22));
  border-color:var(--border-strong);color:#fff;
  box-shadow:0 0 0 1px rgba(45,226,198,.18),0 8px 22px rgba(45,226,198,.12);
}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1180px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow),var(--shadow);}
.news-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);
  border-bottom:1px solid rgba(45,226,198,.14);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,6,15,0) 45%,rgba(8,6,15,.55) 100%);
}
.news-thumb .thumb-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:.75rem;font-weight:700;letter-spacing:.05em;
  padding:5px 12px;border-radius:8px;color:#08060F;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--muted);margin-bottom:12px;
}
.news-meta i{color:var(--primary);font-size:.75rem;margin-right:5px;}
.news-title{font-size:1.1875rem;line-height:1.45;margin-bottom:12px;font-weight:700;}
.news-title a:hover{color:var(--primary);}
.news-excerpt{
  color:var(--muted);font-size:.9375rem;line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.06);
}
.tag-pill{
  display:inline-flex;align-items:center;font-size:.75rem;font-weight:600;
  padding:4px 12px;border-radius:999px;
  background:rgba(139,92,246,.16);border:1px solid rgba(139,92,246,.34);color:#CFC6F5;
}
.news-more{
  display:inline-flex;align-items:center;gap:7px;font-size:.875rem;font-weight:700;color:var(--primary);
}
.news-more i{transition:transform .22s ease;}
.news-more:hover i{transform:translateX(4px);}
.news-empty{
  border:1px dashed var(--border-strong);border-radius:var(--radius);
  padding:48px 24px;text-align:center;color:var(--muted);background:rgba(18,14,31,.6);
}
.news-empty i{font-size:1.75rem;color:var(--primary);margin-bottom:14px;display:block;}

/* 时间线 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(139,92,246,.5),transparent);
}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;width:20px;height:20px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(45,226,198,.1);
}
.tl-item h3{font-size:1.125rem;margin-bottom:8px;}
.tl-item p{color:var(--muted);font-size:.9375rem;line-height:1.8;}
.tl-step{
  font-family:var(--font-num);font-size:.75rem;font-weight:700;letter-spacing:.16em;
  color:var(--accent);display:block;margin-bottom:6px;
}

/* 图文区 */
.split{display:grid;grid-template-columns:1fr;gap:38px;align-items:center;}
@media (min-width:1024px){.split{grid-template-columns:5fr 6fr;gap:56px;}}
.split-media{
  border-radius:18px;overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(45,226,198,.12),rgba(8,6,15,.55));
}
.feature-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.feature-item{
  display:flex;gap:16px;padding:18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border);transition:all .25s ease;
}
.feature-item:hover{border-color:var(--border-strong);transform:translateY(-3px);}
.feature-item .fi-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:11px;display:inline-flex;
  align-items:center;justify-content:center;
  background:rgba(45,226,198,.12);color:var(--primary);font-size:1rem;
  border:1px solid var(--border);
}
.feature-item h3{font-size:1.0625rem;margin-bottom:6px;}
.feature-item p{color:var(--muted);font-size:.9375rem;line-height:1.78;}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
@media (min-width:900px){.stats{grid-template-columns:repeat(4,1fr);}}
.stat{
  background:var(--surface);padding:32px 24px;transition:background .25s ease;
}
.stat:hover{background:var(--surface-2);}
.stat .num{
  font-family:var(--font-num);font-size:clamp(2.25rem,4vw,3.25rem);font-weight:800;
  line-height:1;color:var(--primary);letter-spacing:-.02em;
}
.stat .num.accent{color:var(--accent);}
.stat .num.violet{color:#A98BF8;}
.stat-label{margin-top:14px;font-weight:700;font-size:1rem;}
.stat-desc{color:var(--muted);font-size:.875rem;margin-top:6px;line-height:1.7;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:1024px){.faq-wrap{grid-template-columns:4fr 7fr;gap:60px;}}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--border);border-radius:12px;background:var(--surface);overflow:hidden;
  transition:background .25s ease,border-color .25s ease;
}
.faq-item:hover{background:rgba(45,226,198,.06);border-color:var(--border-strong);}
.faq-item summary{
  cursor:pointer;padding:18px 20px;font-weight:700;font-size:1rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";color:var(--primary);font-size:1.375rem;font-weight:400;line-height:1;
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 20px 20px;color:var(--muted);font-size:.9375rem;line-height:1.9;}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--border-strong);
  background:
    radial-gradient(circle at 12% 20%,rgba(45,226,198,.16),transparent 45%),
    radial-gradient(circle at 88% 80%,rgba(139,92,246,.2),transparent 48%),
    var(--surface);
  padding:48px 36px;display:grid;grid-template-columns:1fr;gap:30px;align-items:center;
  box-shadow:var(--shadow);
}
@media (min-width:900px){.cta-panel{grid-template-columns:7fr 5fr;padding:56px 48px;}}
.cta-panel h2{font-size:clamp(1.6rem,2.6vw,2.25rem);margin-bottom:14px;}
.cta-panel p{color:var(--muted);line-height:1.85;max-width:600px;}
.cta-side{display:flex;flex-direction:column;gap:14px;}
.cta-side .btn{width:100%;}
.cta-note{font-size:.8125rem;color:var(--muted);text-align:center;}

/* 页脚 */
.site-footer{
  background:var(--bg-soft);border-top:1px solid var(--border);
  padding:64px 0 28px;margin-top:0;
}
.foot-grid{
  display:grid;grid-template-columns:1fr;gap:36px;margin-bottom:44px;
}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.foot-grid{grid-template-columns:2.2fr 1fr 1fr 1.2fr;gap:48px;}}
.foot-brand p{color:var(--muted);font-size:.9375rem;line-height:1.85;margin-top:18px;max-width:420px;}
.foot-title{font-size:.9375rem;font-weight:700;margin-bottom:16px;color:var(--text);}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{color:var(--muted);font-size:.9375rem;}
.foot-links a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.06);padding-top:24px;
  font-size:.8125rem;color:var(--muted);
}

/* 滚动进入动效 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

@media (max-width:640px){
  .section{padding:60px 0;}
  .inner-hero{min-height:320px;padding:44px 0 40px;}
  .cta-panel{padding:34px 22px;}
  .stats{grid-template-columns:1fr;}
  .news-body{padding:18px;}
  .filter-bar{padding:14px;}
}