/* roulang page: index */
:root{
  --bg-0:#0A0C0B;
  --bg-1:#111614;
  --bg-2:#18201C;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.14);
  --accent:#FF4B2B;
  --text:#F4F7F5;
  --text-2:#A7B3AD;
  --text-3:#6E7A74;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-kv:18px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --shadow-hi:0 0 0 1px rgba(23,230,161,.35), 0 10px 34px rgba(23,230,161,.16);
  --container:1200px;
  --mono:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.01em;}
::selection{background:rgba(23,230,161,.28);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.rc-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.rc-mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ 导航 ============ */
.rc-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(10,12,11,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease, border-color .3s ease;
}
.rc-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,0),rgba(23,230,161,.7) 22%,rgba(23,230,161,.12) 60%,rgba(23,230,161,0));
}
.rc-header.is-scrolled{background:rgba(8,10,9,.96);}
.rc-nav{
  max-width:var(--container);margin:0 auto;padding:0 20px;
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:height .3s ease;
}
.rc-header.is-scrolled .rc-nav{height:60px;}
.rc-logo{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;}
.rc-logo-mark{font-size:22px;font-weight:900;letter-spacing:.06em;color:var(--text);}
.rc-logo-dot{width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(23,230,161,.9);}
.rc-menu{display:flex;align-items:center;gap:6px;}
.rc-menu-link{
  position:relative;padding:9px 14px;font-size:15px;color:var(--text-2);
  border-radius:8px;transition:color .22s ease,background .22s ease;
}
.rc-menu-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(23,230,161,.85);
  transition:left .28s ease,right .28s ease;
}
.rc-menu-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.rc-menu-link.is-active{color:var(--primary);}
.rc-menu-link.is-active::after{left:14px;right:14px;}
.rc-nav-actions{display:flex;align-items:center;gap:10px;}
.rc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);padding:11px 20px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.rc-btn::before{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-18deg);transition:left .55s ease;
}
.rc-btn:hover::before{left:150%;}
.rc-btn-primary{background:var(--primary);color:#0A0C0B;}
.rc-btn-primary:hover{box-shadow:0 0 0 1px rgba(23,230,161,.5),0 12px 30px rgba(23,230,161,.3);transform:translateY(-1px);}
.rc-btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.rc-btn-ghost:hover{border-color:rgba(23,230,161,.55);color:var(--primary);background:var(--primary-soft);}
.rc-btn-lg{padding:15px 28px;font-size:16px;border-radius:12px;}
.rc-btn-block{width:100%;}
.rc-burger{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);
  background:transparent;cursor:pointer;position:relative;
}
.rc-burger span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
.rc-burger span:nth-child(1){top:15px;}
.rc-burger span:nth-child(2){top:21px;}
.rc-burger span:nth-child(3){top:27px;}
.rc-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);background:var(--primary);}
.rc-burger.is-open span:nth-child(2){opacity:0;}
.rc-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);background:var(--primary);}

.rc-drawer{
  position:fixed;inset:76px 0 0 0;z-index:79;
  background:rgba(6,8,7,.98);backdrop-filter:blur(10px);
  padding:28px 20px 110px;overflow-y:auto;
  display:none;flex-direction:column;gap:6px;
}
.rc-drawer.is-open{display:flex;}
.rc-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:18px;font-weight:700;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.rc-drawer-link.is-active{color:var(--primary);}
.rc-drawer-foot{
  position:fixed;left:0;right:0;bottom:0;padding:14px 20px 20px;
  background:linear-gradient(180deg,rgba(6,8,7,0),rgba(6,8,7,.96) 40%);
  display:flex;gap:10px;
}

/* ============ 首屏 ============ */
.rc-hero{
  position:relative;overflow:hidden;
  padding:150px 0 100px;
  background:
    radial-gradient(900px 520px at 10% -5%,rgba(23,230,161,.15),transparent 62%),
    radial-gradient(620px 420px at 92% 6%,rgba(23,230,161,.08),transparent 62%),
    var(--bg-0);
}
.rc-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(244,247,245,.15) 1px,transparent 1px);
  background-size:26px 26px;mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.rc-hero-inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.rc-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.08em;
  color:var(--text-2);text-transform:none;
}
.rc-eyebrow i{display:inline-block;width:26px;height:2px;background:var(--primary);box-shadow:0 0 10px rgba(23,230,161,.8);}
.rc-hero-title{
  font-size:clamp(34px,5.2vw,64px);line-height:1.06;font-weight:900;letter-spacing:-.01em;
  margin:18px 0 18px;
}
.rc-hero-title em{color:var(--primary);font-style:normal;}
.rc-hero-sub{font-size:17px;color:var(--text-2);font-weight:400;max-width:520px;}
.rc-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.rc-stats{display:flex;align-items:stretch;gap:0;margin-top:42px;flex-wrap:wrap;}
.rc-stat{padding:0 26px;border-left:1px solid var(--line);}
.rc-stat:first-child{padding-left:0;border-left:0;}
.rc-stat-num{display:block;font-family:var(--mono);font-size:30px;font-weight:700;color:var(--primary);line-height:1.1;}
.rc-stat-label{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.rc-hero-visual{
  position:relative;border-radius:var(--radius-kv);overflow:hidden;
  border:1px solid rgba(23,230,161,.28);box-shadow:var(--shadow);
}
.rc-hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rc-hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,.05),rgba(10,12,11,.72));
}
.rc-hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;
  background:rgba(10,12,11,.78);border:1px solid rgba(23,230,161,.4);color:var(--text);
}
.rc-hero-badge b{color:var(--primary);font-family:var(--mono);font-weight:700;}

/* ============ 板块通用 ============ */
.rc-section{position:relative;padding:96px 0;}
.rc-section + .rc-section{border-top:1px solid transparent;}
.rc-section + .rc-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,.55),rgba(23,230,161,.06) 45%,transparent 80%);
}
.rc-section-alt{background:var(--bg-1);}
.rc-kicker{display:block;font-size:13px;letter-spacing:.08em;color:var(--primary);margin-bottom:12px;}
.rc-h2{font-size:clamp(26px,3.2vw,40px);line-height:1.15;}
.rc-h3{font-size:21px;line-height:1.4;font-weight:700;letter-spacing:0;}
.rc-section-desc{margin-top:14px;font-size:16px;color:var(--text-2);max-width:640px;}
.rc-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.rc-link{color:var(--primary);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:transform .22s ease;}
.rc-link:hover{transform:translateX(3px);}
.rc-tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.rc-tag-hi{color:var(--primary);background:var(--primary-soft);border-color:rgba(23,230,161,.35);}

/* ============ 流程四步 ============ */
.rc-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px;}
.rc-flow-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-flow-item:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.5);box-shadow:var(--shadow-hi);}
.rc-flow-num{font-family:var(--mono);font-size:34px;color:var(--primary);line-height:1;font-weight:700;}
.rc-flow-item h3{margin:16px 0 10px;font-size:19px;}
.rc-flow-item p{font-size:15px;color:var(--text-2);}
.rc-strip{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg-2);overflow:hidden;
}
.rc-strip-cell{padding:26px 22px;border-left:1px solid var(--line);}
.rc-strip-cell:first-child{border-left:0;}
.rc-strip-num{font-family:var(--mono);font-size:36px;font-weight:700;color:var(--primary);line-height:1.05;}
.rc-strip-text{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ============ 时间线 ============ */
.rc-timeline{position:relative;margin-top:52px;}
.rc-timeline::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(23,230,161,0),rgba(23,230,161,.55) 12%,rgba(23,230,161,.2) 88%,rgba(23,230,161,0));
}
.rc-tl-item{position:relative;display:grid;grid-template-columns:1fr 64px 1fr;padding:20px 0;}
.rc-tl-time{
  grid-row:1;font-family:var(--mono);font-size:19px;color:var(--text-2);padding-top:2px;
}
.rc-tl-item:nth-child(odd) .rc-tl-time{grid-column:1;text-align:right;padding-right:22px;}
.rc-tl-item:nth-child(even) .rc-tl-time{grid-column:3;text-align:left;padding-left:22px;color:var(--primary);}
.rc-tl-body{grid-row:1;grid-column:3;}
.rc-tl-item:nth-child(even) .rc-tl-body{grid-column:1;}
.rc-tl-dot{
  position:absolute;left:50%;top:30px;width:11px;height:11px;margin-left:-5.5px;border-radius:50%;
  background:var(--bg-0);border:1px solid rgba(23,230,161,.7);z-index:2;
}
.rc-tl-item.is-main .rc-tl-dot{background:var(--primary);border-color:var(--primary);box-shadow:0 0 0 4px rgba(23,230,161,.16),0 0 14px rgba(23,230,161,.7);}
.rc-tl-body h3{margin-bottom:8px;}
.rc-tl-body p{font-size:15px;color:var(--text-2);}
.rc-tl-tags{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;}

/* ============ 嘉宾横滚带 ============ */
.rc-scroller{
  display:flex;gap:20px;margin-top:44px;padding-bottom:12px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.rc-scroller::-webkit-scrollbar{display:none;}
.rc-guest-card{
  flex:0 0 250px;scroll-snap-align:start;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-guest-card:nth-child(even){margin-top:24px;}
.rc-guest-card:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.5);box-shadow:var(--shadow-hi);}
.rc-guest-card img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;}
.rc-guest-card h3{font-size:18px;margin:16px 0 4px;}
.rc-guest-role{font-size:13px;color:var(--text-3);}
.rc-guest-card .rc-tag{margin-top:12px;}

/* ============ 票种对比 ============ */
.rc-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px;align-items:start;}
.rc-plan{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 26px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-plan:hover{border-color:rgba(23,230,161,.4);}
.rc-plan.is-featured{
  border-color:rgba(23,230,161,.55);box-shadow:var(--shadow-hi);transform:translateY(-12px);
  background:linear-gradient(180deg,rgba(23,230,161,.07),rgba(24,32,28,.9) 45%);
}
.rc-plan-flag{
  position:absolute;top:-12px;left:24px;padding:4px 12px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
}
.rc-plan-name{font-size:19px;font-weight:700;}
.rc-plan-price{font-family:var(--mono);font-size:44px;font-weight:700;line-height:1.1;margin-top:14px;}
.rc-plan-price span{font-size:20px;color:var(--text-2);margin-right:2px;}
.rc-plan-note{font-size:13px;color:var(--text-3);margin-top:4px;}
.rc-plan-list{margin:24px 0 26px;display:flex;flex-direction:column;gap:12px;}
.rc-plan-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.rc-plan-list li::before{content:"✓";color:var(--primary);font-weight:700;flex-shrink:0;}
.rc-plan .rc-btn{margin-top:auto;}

/* ============ 报名表单 ============ */
.rc-signup{
  position:relative;padding:96px 0;
  background:linear-gradient(180deg,rgba(17,22,20,.9),rgba(10,12,11,.9));
  border-top:1px solid rgba(23,230,161,.22);
  border-bottom:1px solid rgba(23,230,161,.12);
}
.rc-signup-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start;}
.rc-signup-points{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.rc-signup-points li{display:flex;gap:12px;font-size:15px;color:var(--text-2);}
.rc-signup-points li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--primary);margin-top:9px;flex-shrink:0;box-shadow:0 0 10px rgba(23,230,161,.7);}
.rc-form{
  background:var(--bg-0);border:1px solid var(--line-strong);border-radius:16px;
  padding:30px;box-shadow:var(--shadow);
}
.rc-form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.rc-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.rc-field label{font-size:14px;color:var(--text-2);}
.rc-field input,.rc-field select,.rc-field textarea{
  width:100%;background:var(--bg-1);border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.rc-field textarea{min-height:96px;resize:vertical;}
.rc-field input::placeholder,.rc-field textarea::placeholder{color:var(--text-3);}
.rc-field input:focus,.rc-field select:focus,.rc-field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.16);
}
.rc-form-tip{font-size:13px;color:var(--text-3);margin-top:14px;}
.rc-form-msg{
  display:none;margin-top:16px;padding:12px 14px;border-radius:10px;font-size:14px;
  background:var(--primary-soft);border:1px solid rgba(23,230,161,.4);color:var(--primary);
}
.rc-form-msg.is-show{display:block;}

/* ============ 资讯列表 ============ */
.rc-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
.rc-news-card{
  display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-news-card:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.5);box-shadow:var(--shadow-hi);}
.rc-news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.rc-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rc-news-card:hover .rc-news-thumb img{transform:scale(1.03);}
.rc-news-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.rc-news-title{
  font-size:18px;line-height:1.45;font-weight:700;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rc-news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rc-news-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:13px;color:var(--text-3);
}
.rc-news-foot i{color:var(--primary);font-style:normal;}
.rc-empty{
  grid-column:1/-1;text-align:center;padding:60px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.rc-empty svg{width:38px;height:38px;stroke:var(--primary);fill:none;stroke-width:1.4;}
.rc-empty p{color:var(--text-2);font-size:15px;}

/* ============ 评价 ============ */
.rc-voices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;}
.rc-voice{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;transition:transform .25s ease,border-color .25s ease;
}
.rc-voice:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.45);}
.rc-voice p{font-size:15px;color:var(--text-2);}
.rc-voice-who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}
.rc-voice-who img{width:44px;height:44px;border-radius:12px;object-fit:cover;}
.rc-voice-name{font-size:15px;font-weight:700;}
.rc-voice-title{font-size:13px;color:var(--text-3);}

/* ============ FAQ ============ */
.rc-faq{max-width:800px;margin-top:44px;}
.rc-faq-item{border:1px solid var(--line);border-radius:12px;background:var(--bg-1);margin-bottom:12px;transition:border-color .25s ease;}
.rc-faq-item[open]{border-color:rgba(23,230,161,.5);}
.rc-faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;
}
.rc-faq-item summary::-webkit-details-marker{display:none;}
.rc-faq-no{font-family:var(--mono);color:var(--primary);font-size:15px;flex-shrink:0;}
.rc-faq-arrow{
  margin-left:auto;width:9px;height:9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(-45deg);transition:transform .28s ease,border-color .28s ease;flex-shrink:0;
}
.rc-faq-item[open] .rc-faq-arrow{transform:rotate(45deg);border-color:var(--primary);}
.rc-faq-a{padding:0 22px 22px 58px;color:var(--text-2);font-size:15px;animation:rcFade .32s ease;}
@keyframes rcFade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

/* ============ CTA 条 ============ */
.rc-cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:34px 36px;border-radius:16px;border:1px solid rgba(23,230,161,.3);
  background:linear-gradient(100deg,rgba(23,230,161,.12),rgba(24,32,28,.8) 55%);
  box-shadow:var(--shadow);
}
.rc-cta-band h3{font-size:clamp(20px,2.4vw,26px);}
.rc-cta-band p{font-size:15px;color:var(--text-2);margin-top:8px;}

/* ============ 页脚 ============ */
.rc-footer{position:relative;background:var(--bg-0);padding:72px 0 26px;}
.rc-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,.7),rgba(23,230,161,.08) 55%,transparent);
}
.rc-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.rc-footer-brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:900;letter-spacing:.05em;}
.rc-footer-note{font-size:14px;color:var(--text-3);margin-top:16px;max-width:320px;}
.rc-footer h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text);}
.rc-footer-links{display:flex;flex-direction:column;gap:12px;}
.rc-footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease,transform .2s ease;display:inline-block;}
.rc-footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.rc-footer-meta{font-size:14px;color:var(--text-2);display:flex;flex-direction:column;gap:12px;}
.rc-qr{
  width:104px;height:104px;border-radius:12px;border:1px solid var(--line-strong);
  background:linear-gradient(135deg,var(--bg-2),#0d1210);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--text-3);text-align:center;padding:10px;line-height:1.5;
}
.rc-footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  .rc-news-card:hover .rc-news-thumb img{transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .rc-menu{display:none;}
  .rc-burger{display:block;}
  .rc-nav-actions .rc-btn-ghost{display:none;}
  .rc-hero{padding:130px 0 76px;}
  .rc-hero-inner{grid-template-columns:1fr;gap:40px;}
  .rc-flow{grid-template-columns:1fr 1fr;}
  .rc-strip{grid-template-columns:1fr 1fr;}
  .rc-strip-cell:nth-child(3){border-left:0;}
  .rc-strip-cell:nth-child(n+3){border-top:1px solid var(--line);}
  .rc-plans{grid-template-columns:1fr;gap:18px;}
  .rc-plan.is-featured{transform:none;}
  .rc-signup-grid{grid-template-columns:1fr;gap:36px;}
  .rc-news-grid{grid-template-columns:1fr 1fr;}
  .rc-voices{grid-template-columns:1fr;}
  .rc-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rc-timeline::before{left:9px;}
  .rc-tl-item{grid-template-columns:1fr;padding-left:36px;}
  .rc-tl-item:nth-child(odd) .rc-tl-time,
  .rc-tl-item:nth-child(even) .rc-tl-time{grid-column:1;grid-row:1;text-align:left;padding:0 0 4px;color:var(--text-2);}
  .rc-tl-body,.rc-tl-item:nth-child(even) .rc-tl-body{grid-column:1;grid-row:2;}
  .rc-tl-dot{left:9px;margin-left:-5.5px;top:28px;}
}
@media (max-width:640px){
  .rc-container{padding:0 16px;}
  .rc-nav{padding:0 16px;height:66px;}
  .rc-header.is-scrolled .rc-nav{height:58px;}
  .rc-logo-mark{font-size:19px;}
  .rc-nav-actions .rc-btn{padding:9px 14px;font-size:14px;}
  .rc-drawer{inset:66px 0 0 0;}
  .rc-hero{padding:112px 0 64px;}
  .rc-hero-cta .rc-btn{width:100%;}
  .rc-stat{padding:0 16px;}
  .rc-stat-num{font-size:24px;}
  .rc-section{padding:64px 0;}
  .rc-flow{grid-template-columns:1fr;}
  .rc-strip{grid-template-columns:1fr;}
  .rc-strip-cell{border-left:0;border-top:1px solid var(--line);}
  .rc-strip-cell:first-child{border-top:0;}
  .rc-form-row{grid-template-columns:1fr;}
  .rc-form{padding:22px;}
  .rc-news-grid{grid-template-columns:1fr;}
  .rc-cta-band{padding:26px 22px;}
  .rc-footer-grid{grid-template-columns:1fr;}
  .rc-guest-card{flex:0 0 210px;}
  .rc-faq-a{padding-left:22px;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0C0B;
  --bg-1:#111614;
  --bg-2:#18201C;
  --line:rgba(255,255,255,.09);
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.14);
  --accent:#FF4B2B;
  --t1:#F4F7F5;
  --t2:#A7B3AD;
  --t3:#6E7A74;
  --r-card:14px;
  --r-btn:10px;
  --r-kv:18px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(23,230,161,.35), 0 10px 34px rgba(23,230,161,.16);
  --mono:ui-monospace,"SFMono-Regular","Barlow Condensed",Menlo,Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
::selection{background:var(--primary-soft);color:var(--t1)}

.rc-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.rc-narrow{max-width:760px;margin:0 auto}

/* ---------- header / nav ---------- */
.rc-header{
  position:sticky;top:0;z-index:70;
  background:rgba(10,12,11,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  background-image:linear-gradient(rgba(10,12,11,.9),rgba(10,12,11,.9)),
    linear-gradient(90deg,transparent,rgba(23,230,161,.55),transparent);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  transition:height .28s ease, background-color .28s ease;
}
.rc-header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .28s ease}
.rc-header.is-shrink .rc-header-inner{height:60px}
.rc-header.is-shrink{background-color:rgba(10,12,11,.98)}
.rc-logo{display:inline-flex;align-items:center;gap:9px;font-weight:900;letter-spacing:-.01em;font-size:21px;white-space:nowrap}
.rc-logo-text{color:var(--t1)}
.rc-logo-text em{font-style:normal;color:var(--primary)}
.rc-logo-dot{width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(23,230,161,.9)}
.rc-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.rc-menu-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:15px;color:var(--t2);transition:color .2s ease,background-color .2s ease;
}
.rc-menu-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(23,230,161,.8);
  transition:left .26s ease,right .26s ease;
}
.rc-menu-link:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.rc-menu-link:hover::after{left:14px;right:14px}
.rc-menu-link.is-active{color:var(--primary)}
.rc-menu-link.is-active::after{left:14px;right:14px}
.rc-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.rc-btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.rc-btn::before{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-18deg);transition:left .5s ease;
}
.rc-btn:hover::before{left:140%}
.rc-btn-primary{background:var(--primary);color:#0A0C0B;box-shadow:0 10px 30px rgba(23,230,161,.24)}
.rc-btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,230,161,.5),0 14px 40px rgba(23,230,161,.3)}
.rc-btn-ghost{border-color:var(--line);color:var(--t1);background:rgba(255,255,255,.02)}
.rc-btn-ghost:hover{border-color:rgba(23,230,161,.55);color:var(--primary);box-shadow:var(--glow)}
.rc-btn-block{width:100%}
.rc-burger{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);cursor:pointer;position:relative;
}
.rc-burger span{position:absolute;left:12px;right:12px;height:2px;background:var(--t1);border-radius:2px;transition:.25s ease}
.rc-burger span:nth-child(1){top:15px}
.rc-burger span:nth-child(2){top:21px}
.rc-burger span:nth-child(3){top:27px}
.rc-burger.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.rc-burger.is-open span:nth-child(2){opacity:0}
.rc-burger.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}

.rc-drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:65;
  background:rgba(8,10,9,.985);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  overflow-y:auto;
}
.rc-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.rc-drawer-inner{padding:22px 20px 40px;display:flex;flex-direction:column;gap:6px}
.rc-drawer-link{
  padding:15px 14px;border-radius:12px;font-size:17px;font-weight:600;color:var(--t2);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.rc-drawer-link:hover,.rc-drawer-link.is-active{color:var(--primary);background:var(--primary-soft)}
.rc-drawer-cta{margin-top:18px}

/* ---------- 面包屑 & 文章头 ---------- */
.rc-article-hero{padding:46px 0 8px;position:relative;overflow:hidden}
.rc-article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:radial-gradient(circle at 18% 20%,var(--primary) 0 1px,transparent 1px);
  background-size:22px 22px;
}
.rc-crumb{
  position:relative;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--mono);font-size:13px;color:var(--t3);letter-spacing:.02em;
}
.rc-crumb a{color:var(--t2);transition:color .2s ease}
.rc-crumb a:hover{color:var(--primary)}
.rc-crumb .sep{color:rgba(255,255,255,.18)}
.rc-crumb .cur{color:var(--primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rc-article-title{
  position:relative;
  margin:26px 0 0;font-weight:900;letter-spacing:-.01em;
  font-size:clamp(30px,4.4vw,46px);line-height:1.12;color:var(--t1);
}
.rc-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:13.5px;color:var(--t3);letter-spacing:.02em;
}
.rc-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--primary);opacity:.8}
.rc-meta .cat{color:var(--primary)}

/* ---------- 主布局 ---------- */
.rc-main{padding:34px 0 96px}
.rc-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:56px}
@media (min-width:1280px){
  .rc-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:center;align-items:start}
}
.rc-cover{
  position:relative;border-radius:var(--r-kv);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  box-shadow:var(--shadow);margin-bottom:38px;
}
.rc-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rc-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,12,11,0) 40%,rgba(10,12,11,.55) 100%);
}
.rc-fallback{
  display:none;align-items:center;justify-content:center;text-align:center;
  aspect-ratio:16/9;width:100%;
  background:linear-gradient(140deg,var(--bg-2),var(--bg-1));
  border:1px dashed rgba(23,230,161,.4);border-radius:12px;
  color:var(--t3);font-size:13px;letter-spacing:.08em;
}

/* ---------- 正文排版 ---------- */
.rc-prose{max-width:760px;font-size:17px;line-height:1.85;color:#D9E1DC}
.rc-prose > *:first-child{margin-top:0}
.rc-prose p{margin:1.2em 0;color:#D3DCD7}
.rc-prose h2{
  margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--primary);
  font-size:clamp(22px,2.5vw,28px);line-height:1.3;font-weight:900;letter-spacing:-.01em;color:var(--t1);
}
.rc-prose h3{margin:1.7em 0 .6em;font-size:20px;font-weight:800;color:var(--t1)}
.rc-prose h4{margin:1.5em 0 .5em;font-size:17px;font-weight:800;color:var(--t1)}
.rc-prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.rc-prose strong{color:#FFFFFF;font-weight:800}
.rc-prose ul,.rc-prose ol{margin:1.2em 0;padding-left:1.5em}
.rc-prose li{margin:.5em 0;line-height:1.8}
.rc-prose li::marker{color:var(--primary)}
.rc-prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:2px solid var(--primary);border-radius:0 12px 12px 0;
  background:var(--bg-1);color:var(--t2);font-size:16px;
}
.rc-prose blockquote p{margin:.4em 0;color:var(--t2)}
.rc-prose img{border-radius:12px;margin:1.7em auto;border:1px solid var(--line)}
.rc-prose figure{margin:1.7em 0}
.rc-prose figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px;font-family:var(--mono)}
.rc-prose code{
  font-family:var(--mono);font-size:14.5px;background:var(--bg-2);
  padding:2px 7px;border-radius:6px;color:var(--primary);
}
.rc-prose pre{
  background:var(--bg-1);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-family:var(--mono);font-size:14.5px;
}
.rc-prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px}
.rc-prose th,.rc-prose td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.rc-prose th{background:var(--bg-1);color:var(--t1);font-weight:800}
.rc-prose tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.rc-prose hr{border:0;height:1px;background:linear-gradient(90deg,var(--primary),transparent);margin:2.4em 0}

/* ---------- 空态 ---------- */
.rc-empty{
  max-width:760px;padding:56px 28px;text-align:center;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
}
.rc-empty-icon{
  width:46px;height:46px;margin:0 auto 18px;border-radius:12px;
  border:1px solid rgba(23,230,161,.45);position:relative;
}
.rc-empty-icon::before{content:"";position:absolute;left:12px;right:12px;top:16px;height:1px;background:var(--primary)}
.rc-empty-icon::after{content:"";position:absolute;left:12px;right:12px;top:26px;height:1px;background:rgba(23,230,161,.45)}
.rc-empty h3{margin:0 0 8px;font-size:20px;font-weight:800}
.rc-empty p{margin:0 0 22px;color:var(--t2);font-size:15px}

/* ---------- 文末 ---------- */
.rc-tags{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.rc-tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  font-size:13px;color:var(--t2);transition:.2s ease;
}
.rc-tag:hover{border-color:rgba(23,230,161,.5);color:var(--primary);background:var(--primary-soft)}
.rc-section{margin-top:64px}
.rc-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px}
.rc-section-title{margin:0;font-size:clamp(22px,2.4vw,28px);font-weight:900;letter-spacing:-.01em}
.rc-section-title .bar{display:inline-block;width:26px;height:3px;border-radius:2px;background:var(--primary);vertical-align:middle;margin-right:12px;box-shadow:0 0 12px rgba(23,230,161,.7)}
.rc-more{font-family:var(--mono);font-size:13px;color:var(--t2);display:inline-flex;gap:8px;align-items:center;transition:.2s ease}
.rc-more:hover{color:var(--primary);gap:12px}

.rc-card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:700px){.rc-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.rc-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rc-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.rc-card:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.5);box-shadow:var(--glow)}
.rc-card-thumb{position:relative;overflow:hidden;background:var(--bg-1)}
.rc-card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
.rc-card:hover .rc-card-thumb img{transform:scale(1.03)}
.rc-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rc-card h3{margin:0;font-size:17px;line-height:1.5;font-weight:800;color:var(--t1)}
.rc-card p{margin:0;font-size:14.5px;line-height:1.75;color:var(--t2)}
.rc-card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:12.5px;color:var(--t3);
}
.rc-card-foot .arrow{color:var(--primary);transition:transform .2s ease}
.rc-card:hover .rc-card-foot .arrow{transform:translateX(4px)}

.rc-pager{display:grid;grid-template-columns:1fr;gap:14px;margin-top:36px}
@media (min-width:700px){.rc-pager{grid-template-columns:1fr 1fr}}
.rc-pager-item{
  display:block;padding:18px 20px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);transition:.25s ease;
}
.rc-pager-item:hover{border-color:rgba(23,230,161,.5);transform:translateY(-2px);box-shadow:var(--glow)}
.rc-pager-item .k{font-family:var(--mono);font-size:12px;color:var(--t3);letter-spacing:.08em}
.rc-pager-item .t{margin-top:8px;font-size:15px;font-weight:700;color:var(--t1)}
.rc-backrow{margin-top:30px}

/* ---------- 侧栏 ---------- */
.rc-aside{display:none}
@media (min-width:1280px){.rc-aside{display:block}}
.rc-aside-box{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;margin-bottom:22px;position:sticky;top:104px;
}
.rc-aside-box + .rc-aside-box{position:static}
.rc-aside-title{
  margin:0 0 16px;font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;
  color:var(--t3);text-transform:uppercase;
}
.rc-aside-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.rc-aside-list a{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--t2);line-height:1.6;transition:.2s ease}
.rc-aside-list a:hover{color:var(--primary)}
.rc-aside-list .n{font-family:var(--mono);color:var(--primary);font-size:13px;line-height:1.5}
.rc-aside-tags{display:flex;flex-wrap:wrap;gap:9px}

/* ---------- FAQ ---------- */
.rc-faq{max-width:800px}
.rc-faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);margin-bottom:12px;transition:border-color .25s ease,box-shadow .3s ease}
.rc-faq-item.is-open{border-color:rgba(23,230,161,.5);box-shadow:var(--glow)}
.rc-faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
}
.rc-faq-q .num{font-family:var(--mono);font-size:13px;color:var(--primary);letter-spacing:.06em}
.rc-faq-q .txt{flex:1;font-size:16px;font-weight:700;color:var(--t1);line-height:1.6}
.rc-faq-q .chev{color:var(--t3);transition:transform .25s ease,color .25s ease}
.rc-faq-item.is-open .chev{transform:rotate(90deg);color:var(--primary)}
.rc-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.rc-faq-a-inner{padding:0 20px 20px 56px;font-size:15px;color:var(--t2);line-height:1.8}
@media (max-width:640px){.rc-faq-a-inner{padding-left:20px}}

/* ---------- CTA ---------- */
.rc-cta{
  position:relative;overflow:hidden;border-radius:var(--r-kv);
  border:1px solid rgba(23,230,161,.28);
  background:linear-gradient(120deg,var(--bg-1),var(--bg-2));
  padding:38px 30px;display:grid;gap:22px;align-items:center;
}
@media (min-width:900px){.rc-cta{grid-template-columns:1.5fr 1fr;padding:44px 46px}}
.rc-cta h2{margin:0 0 10px;font-size:clamp(22px,2.6vw,30px);font-weight:900;letter-spacing:-.01em}
.rc-cta p{margin:0;color:var(--t2);font-size:15.5px;max-width:52ch}
.rc-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.rc-footer{margin-top:0;border-top:1px solid transparent;
  background-image:linear-gradient(var(--bg-0),var(--bg-0)),linear-gradient(90deg,transparent,rgba(23,230,161,.55),transparent);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:62px 0 30px;background-color:#080A09;
}
.rc-footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:700px){.rc-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.rc-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.rc-footer-brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:900;letter-spacing:-.01em}
.rc-footer-note{margin:16px 0 0;font-size:14.5px;line-height:1.85;color:var(--t3);max-width:34ch}
.rc-footer h4{margin:0 0 16px;font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;color:var(--t3);font-weight:700}
.rc-footer-links{display:flex;flex-direction:column;gap:11px}
.rc-footer-links a{font-size:14.5px;color:var(--t2);transition:color .2s ease,transform .2s ease}
.rc-footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.rc-footer-meta{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--t2)}
.rc-qr{
  margin-top:6px;width:118px;height:118px;border-radius:12px;
  border:1px dashed rgba(23,230,161,.4);background:var(--bg-1);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;color:var(--t3);line-height:1.6;padding:10px;
}
.rc-footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-family:var(--mono);font-size:12.5px;color:var(--t3);letter-spacing:.02em;
}

@media (max-width:900px){
  .rc-menu{display:none}
  .rc-burger{display:block}
  .rc-header-actions .rc-btn{display:none}
  .rc-header-actions .rc-btn-ghost{display:none}
}
@media (max-width:640px){
  .rc-container{padding:0 16px}
  body{font-size:16px}
  .rc-article-hero{padding:32px 0 4px}
  .rc-main{padding:26px 0 68px}
  .rc-cta{padding:30px 22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0C0B;
  --bg-1:#111614;
  --bg-2:#18201C;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.14);
  --primary-line:rgba(23,230,161,.38);
  --accent:#FF4B2B;
  --text:#F4F7F5;
  --text-2:#A7B3AD;
  --text-3:#6E7A74;
  --r-card:14px;
  --r-btn:10px;
  --r-kv:18px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(23,230,161,.35), 0 10px 34px rgba(23,230,161,.16);
  --mono:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --space-section:100px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:solid}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(23,230,161,.28);color:#fff}
.rc-container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
.rc-mono{font-family:var(--mono);letter-spacing:.02em}

/* ---------- header ---------- */
.rc-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,11,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease;
}
.rc-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,0),rgba(23,230,161,.75),rgba(23,230,161,0));
  opacity:.6;
}
.rc-header-inner{height:76px;display:flex;align-items:center;gap:22px;transition:height .28s ease}
.rc-header.is-scrolled{background:rgba(10,12,11,.97);box-shadow:0 14px 40px rgba(0,0,0,.5)}
.rc-header.is-scrolled .rc-header-inner{height:60px}
.rc-logo{display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:900;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.rc-logo-dot{width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px var(--primary);display:inline-block}
.rc-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.rc-menu-link{
  position:relative;padding:9px 14px;border-radius:9px;font-size:15px;color:var(--text-2);
  transition:color .22s ease,background .22s ease;
}
.rc-menu-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:22px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px var(--primary);
  transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform .28s ease;
}
.rc-menu-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.rc-menu-link.is-active{color:var(--primary);text-shadow:0 0 12px rgba(23,230,161,.5)}
.rc-menu-link.is-active::after{transform:translateX(-50%) scaleX(1)}
.rc-header-actions{display:flex;align-items:center;gap:10px}
.rc-drawer-actions{display:none}
.rc-btn{
  position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .24s ease,border-color .24s ease,color .24s ease,background .24s ease;
  white-space:nowrap;
}
.rc-btn::before{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.34),transparent);
  transform:skewX(-18deg);transition:left .5s ease;
}
.rc-btn:hover::before{left:130%}
.rc-btn-solid{background:var(--primary);color:#0A0C0B;box-shadow:0 10px 30px rgba(23,230,161,.24)}
.rc-btn-solid:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(23,230,161,.36)}
.rc-btn-ghost{border-color:var(--line-strong);color:var(--text)}
.rc-btn-ghost:hover{border-color:var(--primary-line);color:var(--primary);box-shadow:0 0 0 1px rgba(23,230,161,.18)}
.rc-btn-lg{padding:14px 28px;font-size:16px}
.rc-burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;padding:11px 10px}
.rc-burger span{display:block;height:2px;background:var(--text);border-radius:2px;margin:4px 0;transition:transform .25s ease,opacity .25s ease}
.rc-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.rc-burger.is-open span:nth-child(2){opacity:0}
.rc-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.rc-hero{
  position:relative;overflow:hidden;padding:74px 0 78px;
  background-image:
    linear-gradient(115deg,rgba(10,12,11,.96) 0%,rgba(10,12,11,.86) 45%,rgba(10,12,11,.72) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.rc-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(rgba(23,230,161,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.rc-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,.8),rgba(23,230,161,0) 70%);
}
.rc-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.rc-crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);font-family:var(--mono);margin-bottom:22px}
.rc-crumb a{color:var(--text-3);transition:color .2s ease}
.rc-crumb a:hover{color:var(--primary)}
.rc-crumb .is-current{color:var(--primary)}
.rc-eyebrow{display:flex;align-items:center;gap:10px;font-size:13.5px;letter-spacing:.16em;color:var(--primary);margin:0 0 16px;font-weight:700}
.rc-eyebrow::before{content:"";width:34px;height:2px;background:var(--primary);box-shadow:0 0 10px var(--primary);border-radius:2px}
.rc-hero h1{margin:0 0 18px;font-size:clamp(34px,5vw,56px);line-height:1.08;font-weight:900;letter-spacing:-.01em}
.rc-hero-sub{margin:0 0 26px;color:var(--text-2);font-size:17px;max-width:520px}
.rc-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.rc-chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;font-size:13px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.rc-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.rc-hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.rc-panel{
  background:linear-gradient(160deg,rgba(24,32,28,.94),rgba(17,22,20,.9));
  border:1px solid var(--line);border-radius:var(--r-kv);padding:26px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.rc-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),rgba(23,230,161,0))}
.rc-panel h2{margin:0 0 4px;font-size:18px;font-weight:800}
.rc-panel p{margin:0 0 20px;font-size:13.5px;color:var(--text-3)}
.rc-panel-row{display:flex;align-items:flex-end;justify-content:space-between;padding:14px 0;border-bottom:1px dashed var(--line)}
.rc-panel-row:last-child{border-bottom:0;padding-bottom:0}
.rc-panel-row span:first-child{font-size:14px;color:var(--text-2)}
.rc-panel-row span:last-child{font-family:var(--mono);font-size:24px;color:var(--primary);font-weight:700}
.rc-panel-row span:last-child small{font-size:13px;color:var(--text-2);margin-left:3px}

/* ---------- sections ---------- */
.rc-section{position:relative;padding:var(--space-section) 0}
.rc-section + .rc-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,.55),rgba(23,230,161,0) 72%);
}
.rc-section-alt{background:var(--bg-1)}
.rc-head{max-width:760px;margin-bottom:52px}
.rc-head h2{margin:0 0 14px;font-size:clamp(26px,3.2vw,40px);line-height:1.15;font-weight:900;letter-spacing:-.01em}
.rc-head p{margin:0;color:var(--text-2);font-size:16px;max-width:640px}
.rc-head-wide{max-width:900px}

/* ---------- steps ---------- */
.rc-steps{max-width:900px;position:relative}
.rc-step{position:relative;display:grid;grid-template-columns:44px 1fr;gap:28px;padding-bottom:42px}
.rc-step:last-child{padding-bottom:0}
.rc-step::before{
  content:"";position:absolute;left:21px;top:56px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(23,230,161,.65),rgba(23,230,161,0));
}
.rc-step:last-child::before{display:none}
.rc-step-num{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--mono);font-size:16px;font-weight:700;color:var(--primary);
  border:1px solid var(--primary-line);background:var(--primary-soft);
  box-shadow:0 0 0 6px rgba(23,230,161,.045);
}
.rc-step-body{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-step-body:hover{transform:translateY(-2px);border-color:var(--primary-line);box-shadow:var(--glow)}
.rc-step-body h3{margin:0 0 8px;font-size:20px;font-weight:800}
.rc-step-body p{margin:0 0 14px;color:var(--text-2);font-size:15.5px}
.rc-step-tags{display:flex;flex-wrap:wrap;gap:8px}
.rc-tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(23,230,161,.22)}
.rc-tag-grey{color:var(--text-2);background:rgba(255,255,255,.04);border-color:var(--line)}

/* ---------- cards ---------- */
.rc-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.rc-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-card:hover{transform:translateY(-2px);border-color:var(--primary-line);box-shadow:var(--glow)}
.rc-card h3{margin:0 0 6px;font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px}
.rc-card h3 .rc-idx{font-family:var(--mono);color:var(--primary);font-size:15px}
.rc-card > p{margin:0 0 18px;color:var(--text-3);font-size:14px}
.rc-list{list-style:none;margin:0;padding:0}
.rc-list li{position:relative;padding:9px 0 9px 26px;color:var(--text-2);font-size:15.5px;border-bottom:1px dashed rgba(255,255,255,.06)}
.rc-list li:last-child{border-bottom:0}
.rc-list li::before{content:"✓";position:absolute;left:0;top:9px;color:var(--primary);font-weight:700}
.rc-list strong{color:var(--text);font-weight:700}
.rc-alert{
  margin-top:28px;display:flex;gap:16px;align-items:flex-start;
  border-left:3px solid var(--accent);background:rgba(255,75,43,.07);
  border-radius:0 12px 12px 0;padding:20px 24px;
}
.rc-alert-badge{
  flex:none;font-size:12.5px;font-weight:700;color:#FFD9D0;background:rgba(255,75,43,.2);
  border:1px solid rgba(255,75,43,.4);border-radius:999px;padding:3px 12px;letter-spacing:.04em;
}
.rc-alert p{margin:0;font-size:15px;color:#F0DCD6}
.rc-alert p strong{color:#fff}

/* ---------- feature split ---------- */
.rc-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.rc-figure{position:relative;border-radius:var(--r-kv);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.rc-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.rc-figure:hover img{transform:scale(1.03)}
.rc-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 22px 16px;font-size:13.5px;color:var(--text-2);
  background:linear-gradient(0deg,rgba(10,12,11,.92),rgba(10,12,11,0));
}
.rc-price-list{list-style:none;margin:0;padding:0}
.rc-price-list li{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:var(--bg-2);margin-bottom:12px;
  transition:border-color .25s ease,transform .25s ease;
}
.rc-price-list li:hover{border-color:var(--primary-line);transform:translateX(3px)}
.rc-price-list .rc-pl-name{font-weight:700;font-size:16.5px;display:block}
.rc-price-list .rc-pl-desc{font-size:13.5px;color:var(--text-3);display:block;margin-top:2px}
.rc-price-list .rc-pl-fee{font-family:var(--mono);font-size:22px;color:var(--primary);white-space:nowrap}
.rc-price-list .rc-pl-fee small{font-size:12.5px;color:var(--text-3);margin-left:4px}

/* ---------- faq ---------- */
.rc-faq-wrap{max-width:820px}
.rc-faq{
  border:1px solid var(--line);border-radius:12px;background:var(--bg-1);margin-bottom:12px;
  transition:border-color .25s ease,box-shadow .25s ease;overflow:hidden;
}
.rc-faq[open]{border-color:var(--primary-line);box-shadow:0 0 0 1px rgba(23,230,161,.14)}
.rc-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 22px;font-size:16.5px;font-weight:700;
}
.rc-faq summary::-webkit-details-marker{display:none}
.rc-faq-num{font-family:var(--mono);color:var(--primary);font-size:15px;flex:none}
.rc-faq-arrow{margin-left:auto;flex:none;color:var(--text-3);transition:transform .28s ease,color .28s ease;font-size:14px}
.rc-faq[open] .rc-faq-arrow{transform:rotate(90deg);color:var(--primary)}
.rc-faq-body{padding:0 22px 22px 62px;color:var(--text-2);font-size:15.5px;animation:rcFade .32s ease}
@keyframes rcFade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- cta ---------- */
.rc-cta{
  position:relative;overflow:hidden;text-align:center;
  background:radial-gradient(120% 140% at 50% 0%,rgba(23,230,161,.16),rgba(17,22,20,.96) 62%),var(--bg-1);
  border:1px solid rgba(23,230,161,.28);border-radius:var(--r-kv);
  padding:60px 32px;box-shadow:var(--glow);
}
.rc-cta h2{margin:0 0 14px;font-size:clamp(24px,3vw,36px);font-weight:900;letter-spacing:-.01em}
.rc-cta p{margin:0 auto 30px;max-width:600px;color:var(--text-2);font-size:16px}
.rc-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.rc-cta-note{margin-top:22px;font-size:13.5px;color:var(--text-3);font-family:var(--mono)}

/* ---------- footer ---------- */
.rc-footer{position:relative;background:var(--bg-1);border-top:1px solid var(--line);padding:66px 0 26px;margin-top:0}
.rc-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,0),rgba(23,230,161,.8),rgba(23,230,161,0));
}
.rc-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px}
.rc-footer-brand{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:900;letter-spacing:-.01em;margin-bottom:14px}
.rc-footer-note{margin:0;color:var(--text-3);font-size:14px;max-width:320px;line-height:1.8}
.rc-footer h4{margin:0 0 16px;font-size:15px;font-weight:800;color:var(--text)}
.rc-footer-links{display:flex;flex-direction:column;gap:11px}
.rc-footer-links a{color:var(--text-2);font-size:14.5px;transition:color .22s ease,transform .22s ease;width:fit-content}
.rc-footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.rc-footer-meta{display:flex;flex-direction:column;gap:11px;color:var(--text-2);font-size:14.5px}
.rc-qr{
  margin-top:6px;width:112px;height:112px;border:1px dashed var(--line-strong);border-radius:12px;
  display:grid;place-items:center;text-align:center;font-size:12.5px;color:var(--text-3);line-height:1.6;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.02) 0 6px,transparent 6px 12px);
}
.rc-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-family:var(--mono);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--space-section:74px}
  .rc-hero-grid{grid-template-columns:1fr;gap:34px}
  .rc-split{grid-template-columns:1fr;gap:32px}
  .rc-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:899px){
  .rc-header-inner{height:64px}
  .rc-header.is-scrolled .rc-header-inner{height:56px}
  .rc-logo{font-size:18px}
  .rc-header-actions{display:none}
  .rc-burger{display:block;margin-left:auto;z-index:90;position:relative}
  .rc-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,10,9,.985);backdrop-filter:blur(18px);
    padding:96px 22px 32px;margin-left:0;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
    overflow-y:auto;
  }
  .rc-menu.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .rc-menu-link{font-size:19px;font-weight:700;padding:18px 4px;border-bottom:1px solid var(--line);border-radius:0;color:var(--text)}
  .rc-menu-link::after{left:4px;bottom:12px;transform:translateX(0) scaleX(0);width:28px;transform-origin:left}
  .rc-menu-link.is-active::after{transform:translateX(0) scaleX(1)}
  .rc-drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px}
  .rc-drawer-actions .rc-btn{width:100%}
}
@media (max-width:767px){
  body{font-size:16px}
  .rc-grid-2{grid-template-columns:1fr}
  .rc-hero{padding:52px 0 58px}
  .rc-section{padding:var(--space-section) 0}
  .rc-head{margin-bottom:36px}
  .rc-step{grid-template-columns:36px 1fr;gap:18px;padding-bottom:30px}
  .rc-step-num{width:36px;height:36px;font-size:14px}
  .rc-step::before{left:17px;top:46px}
  .rc-step-body{padding:20px}
  .rc-faq-body{padding:0 20px 20px 20px}
  .rc-cta{padding:44px 22px}
  .rc-alert{flex-direction:column;gap:10px}
}
@media (max-width:520px){
  .rc-container{padding:0 16px}
  .rc-footer-grid{grid-template-columns:1fr}
  .rc-footer-bottom{flex-direction:column;gap:8px}
  .rc-hero h1{font-size:clamp(28px,8vw,38px)}
  .rc-price-list li{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .rc-figure:hover img,.rc-card:hover,.rc-step-body:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0C0B;
  --bg-1:#111614;
  --bg-2:#18201C;
  --line:rgba(255,255,255,.09);
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.14);
  --accent:#FF4B2B;
  --text:#F4F7F5;
  --text-2:#A7B3AD;
  --text-3:#6E7A74;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-kv:18px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --shadow-glow:0 0 0 1px rgba(23,230,161,.35),0 10px 34px rgba(23,230,161,.16);
  --container:1200px;
  --mono:ui-monospace,"SFMono-Regular","Barlow Condensed",Menlo,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
.rc-body{
  margin:0;
  padding-top:76px;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
.rc-body a{color:inherit;text-decoration:none}
.rc-body img{max-width:100%;height:auto;display:block}
.rc-body button,.rc-body input,.rc-body select,.rc-body textarea{font:inherit;color:inherit}
.rc-body h1,.rc-body h2,.rc-body h3,.rc-body h4,.rc-body p,.rc-body ul,.rc-body ol{margin:0}
.rc-body :focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

.rc-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.rc-mono{font-family:var(--mono)}

/* ============ 头部导航 ============ */
.rc-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:76px;
  background:rgba(10,12,11,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:height .3s ease,background .3s ease;
}
.rc-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.65),transparent);
}
.rc-header.is-scrolled{height:60px;background:rgba(10,12,11,.97)}
.rc-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.rc-logo{display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:900;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.rc-logo-dot{width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(23,230,161,.9);flex:none}
.rc-menu{display:flex;align-items:center;gap:4px}
.rc-menu-link{position:relative;padding:8px 14px;font-size:15px;color:var(--text-2);border-radius:8px;transition:color .2s ease}
.rc-menu-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(23,230,161,.9);
  transition:left .25s ease,right .25s ease;
}
.rc-menu-link:hover{color:var(--text)}
.rc-menu-link.is-active{color:var(--primary);text-shadow:0 0 14px rgba(23,230,161,.45)}
.rc-menu-link.is-active::after{left:14px;right:14px}
.rc-header-actions{display:flex;align-items:center;gap:12px}
.rc-burger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.rc-burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.rc-burger span::before,.rc-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.rc-burger span::before{top:-6px}
.rc-burger span::after{top:6px}

/* 移动抽屉 */
.rc-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(10,12,11,.98);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:88px 24px 32px;display:flex;flex-direction:column;gap:2px;
  transform:translateY(-8%);opacity:0;visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.rc-drawer.is-open{opacity:1;visibility:visible;transform:none}
.rc-drawer-link{padding:15px 4px;font-size:19px;font-weight:700;color:var(--text-2);border-bottom:1px solid var(--line)}
.rc-drawer-link.is-active{color:var(--primary)}
.rc-drawer-actions{margin-top:auto;display:grid;gap:12px;padding-top:28px}
.rc-drawer-close{
  position:absolute;top:20px;right:20px;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;font-size:20px;line-height:1;
}

/* ============ 按钮 ============ */
.rc-btn{
  position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease,background .25s ease;
}
.rc-btn::before{
  content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);
  transform:skewX(-18deg);opacity:0;transition:left .5s ease,opacity .5s ease;
}
.rc-btn:hover::before{left:130%;opacity:1}
.rc-btn-primary{background:var(--primary);color:#0A0C0B;box-shadow:0 8px 26px rgba(23,230,161,.18)}
.rc-btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(23,230,161,.5),0 14px 34px rgba(23,230,161,.3)}
.rc-btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.02)}
.rc-btn-ghost:hover{border-color:rgba(23,230,161,.5);color:var(--primary);transform:translateY(-1px)}
.rc-btn:active{transform:translateY(0)}

/* ============ 栏目头 ============ */
.rc-hero{position:relative;overflow:hidden;padding:60px 0 76px;background:var(--bg-0)}
.rc-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.rc-hero-glow{
  position:absolute;left:-10%;right:-10%;top:-30%;height:560px;pointer-events:none;
  background:radial-gradient(46% 60% at 22% 34%,rgba(23,230,161,.20),transparent 70%),
             radial-gradient(38% 52% at 84% 8%,rgba(23,230,161,.10),transparent 72%);
}
.rc-hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.rc-crumb{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;color:var(--text-3);margin-bottom:22px}
.rc-crumb a{transition:color .2s ease}
.rc-crumb a:hover{color:var(--primary)}
.rc-crumb-current{color:var(--primary)}
.rc-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--primary)}
.rc-eyebrow::before{content:"";width:28px;height:2px;background:var(--primary);box-shadow:0 0 10px rgba(23,230,161,.9)}
.rc-h1{font-size:clamp(30px,4.4vw,52px);line-height:1.1;letter-spacing:-.02em;font-weight:900;margin-top:18px}
.rc-lede{margin-top:20px;max-width:520px;font-size:18px;line-height:1.75;color:var(--text-2);font-weight:400}
.rc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.rc-hero-media{
  position:relative;border-radius:var(--radius-kv);overflow:hidden;
  border:1px solid rgba(23,230,161,.22);box-shadow:var(--shadow);
}
.rc-hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rc-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,11,0) 38%,rgba(10,12,11,.85))}
.rc-hero-tag{
  position:absolute;left:18px;bottom:16px;z-index:2;
  font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--primary);
}

/* ============ 数据条 ============ */
.rc-stats-wrap{padding:6px 0 0;background:var(--bg-0)}
.rc-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rc-stat{padding:30px 26px;border-left:1px solid var(--line)}
.rc-stat:first-child{border-left:0}
.rc-stat-num{font-family:var(--mono);font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1;color:var(--primary)}
.rc-stat-label{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.6}

/* ============ 通用板块 ============ */
.rc-section{padding:100px 0;position:relative}
.rc-section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rc-section-head{max-width:720px;margin-bottom:52px}
.rc-h2{font-size:clamp(26px,3.2vw,40px);line-height:1.15;letter-spacing:-.01em;font-weight:900}
.rc-section-desc{margin-top:14px;font-size:16px;color:var(--text-2)}

/* ============ 图文条带 ============ */
.rc-strips{display:grid;gap:88px}
.rc-strip{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.rc-strip.is-reverse .rc-strip-media{order:2}
.rc-strip-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.rc-strip-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.rc-strip:hover .rc-strip-media img{transform:scale(1.03)}
.rc-strip:hover .rc-strip-media{border-color:rgba(23,230,161,.4)}
.rc-strip-index{
  position:absolute;top:14px;left:14px;z-index:2;font-family:var(--mono);font-size:13px;
  padding:4px 11px;border-radius:999px;background:rgba(10,12,11,.72);
  border:1px solid rgba(23,230,161,.42);color:var(--primary);
}
.rc-tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12.5px;letter-spacing:.04em;background:var(--primary-soft);
  color:var(--primary);border:1px solid rgba(23,230,161,.32);
}
.rc-strip-body h3{font-size:22px;font-weight:800;line-height:1.4;margin:16px 0 12px}
.rc-strip-body p{font-size:16.5px;color:var(--text-2)}
.rc-check{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.rc-check li{position:relative;padding-left:24px;font-size:15.5px;color:var(--text-2)}
.rc-check li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-size:14px;font-weight:900;line-height:1.85}

/* ============ 步骤 ============ */
.rc-steps{list-style:none;padding:0;margin:0;max-width:900px}
.rc-steps li{position:relative;display:grid;grid-template-columns:88px 1fr;gap:24px;padding-bottom:40px}
.rc-steps li:last-child{padding-bottom:0}
.rc-steps li::before{
  content:"";position:absolute;left:27px;top:62px;bottom:-2px;width:1px;
  background:linear-gradient(180deg,rgba(23,230,161,.6),rgba(23,230,161,0));
}
.rc-steps li:last-child::before{display:none}
.rc-step-num{
  width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;font-weight:700;color:var(--primary);
  border:1px solid rgba(23,230,161,.4);background:var(--bg-2);
  box-shadow:0 0 0 4px rgba(23,230,161,.06);transition:box-shadow .3s ease,border-color .3s ease;
}
.rc-steps li:hover .rc-step-num{border-color:var(--primary);box-shadow:0 0 0 6px rgba(23,230,161,.1),0 0 18px rgba(23,230,161,.3)}
.rc-step-body h3{font-size:19px;font-weight:800;margin:6px 0 8px}
.rc-step-body p{font-size:16px;color:var(--text-2)}

/* ============ 常见疑问 ============ */
.rc-qa{max-width:800px}
.rc-qa-item{
  display:grid;grid-template-columns:56px 1fr;gap:20px;padding:26px 0;
  border-bottom:1px solid var(--line);transition:border-color .25s ease;
}
.rc-qa-item:first-child{border-top:1px solid var(--line)}
.rc-qa-item:hover{border-color:rgba(23,230,161,.4)}
.rc-qa-num{font-family:var(--mono);font-size:15px;color:var(--primary);padding-top:5px}
.rc-qa-item h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.5}
.rc-qa-item p{font-size:16px;color:var(--text-2)}

/* ============ CTA ============ */
.rc-cta{padding:0 0 100px;background:var(--bg-0)}
.rc-cta-inner{
  position:relative;overflow:hidden;border-radius:18px;padding:48px 52px;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  border:1px solid rgba(23,230,161,.28);
  background:linear-gradient(120deg,var(--bg-1),var(--bg-2));
  box-shadow:var(--shadow-glow);
}
.rc-cta-inner::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;pointer-events:none;
  background:radial-gradient(circle,rgba(23,230,161,.18),transparent 68%);
}
.rc-cta-inner h2{font-size:clamp(22px,2.4vw,32px);font-weight:900;line-height:1.25}
.rc-cta-inner p{margin-top:12px;font-size:16px;color:var(--text-2)}
.rc-cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* ============ 页脚 ============ */
.rc-footer{position:relative;background:var(--bg-1);border-top:1px solid var(--line)}
.rc-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.7),transparent);
}
.rc-footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 48px}
.rc-footer-brand{display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:900;color:var(--text)}
.rc-footer-note{margin-top:16px;max-width:360px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.rc-footer h4{margin-bottom:16px;font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--text-3)}
.rc-footer-links{display:grid;gap:4px}
.rc-footer-links a{display:inline-block;padding:5px 0;font-size:15px;color:var(--text-2);transition:color .2s ease,transform .2s ease}
.rc-footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.rc-footer-meta{display:grid;gap:10px;font-size:14.5px;color:var(--text-2)}
.rc-qr{
  margin-top:14px;width:104px;height:104px;border-radius:12px;border:1px dashed rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;line-height:1.5;color:var(--text-3);
}
.rc-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0 30px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .rc-hero-grid{grid-template-columns:1fr;gap:40px}
  .rc-strip{gap:40px}
  .rc-cta-inner{grid-template-columns:1fr;padding:40px 32px}
  .rc-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .rc-menu{display:none}
  .rc-header-actions .rc-btn{display:none}
  .rc-burger{display:inline-flex}
  .rc-section{padding:72px 0}
  .rc-strips{gap:64px}
  .rc-strip{grid-template-columns:1fr;gap:26px}
  .rc-strip.is-reverse .rc-strip-media{order:0}
}
@media (max-width:768px){
  .rc-body{font-size:16px;padding-top:68px}
  .rc-header{height:68px}
  .rc-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rc-stat{border-left:0;border-bottom:1px solid var(--line);padding:22px 10px 22px 0}
  .rc-section-head{margin-bottom:36px}
  .rc-steps li{grid-template-columns:64px 1fr;gap:16px}
  .rc-steps li::before{left:27px}
  .rc-qa-item{grid-template-columns:44px 1fr;gap:12px}
  .rc-hero{padding:44px 0 56px}
  .rc-cta{padding-bottom:72px}
}
@media (max-width:640px){
  .rc-container{padding:0 16px}
  .rc-hero-actions .rc-btn{flex:1 1 auto}
  .rc-footer-grid{grid-template-columns:1fr;padding:48px 0 36px}
  .rc-footer-bottom{flex-direction:column}
  .rc-btn{height:46px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --bg-0:#0A0C0B;
  --bg-1:#111614;
  --bg-2:#18201C;
  --line:rgba(255,255,255,.09);
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.14);
  --accent:#FF4B2B;
  --t1:#F4F7F5;
  --t2:#A7B3AD;
  --t3:#6E7A74;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-kv:18px;
  --radius-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(23,230,161,.35), 0 10px 34px rgba(23,230,161,.16);
  --mono:"Barlow Condensed", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
body.rc-no-scroll{overflow:hidden}
section[id]{scroll-margin-top:100px}
::selection{background:var(--primary-soft);color:var(--primary)}

/* ---------- 布局容器 ---------- */
.rc-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.rc-section{padding:100px 0;position:relative}
.rc-section-tight{padding:72px 0}
.rc-section-line{height:1px;background:linear-gradient(90deg,rgba(23,230,161,.55),rgba(23,230,161,0));border:0;margin:0}

/* ---------- 通用文字 ---------- */
.rc-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);font-weight:700;
  margin-bottom:18px;
}
.rc-eyebrow::before{content:"";width:26px;height:1px;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.rc-h1{
  font-size:clamp(32px,4.6vw,54px);
  line-height:1.08;
  font-weight:900;
  letter-spacing:-.01em;
  margin:0 0 18px;
}
.rc-h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.15;
  font-weight:900;
  letter-spacing:-.01em;
  margin:0 0 14px;
}
.rc-h3{font-size:20px;line-height:1.4;font-weight:800;margin:0 0 10px;letter-spacing:-.005em}
.rc-lead{color:var(--t2);font-size:16.5px;line-height:1.85;margin:0;max-width:660px}
.rc-note{color:var(--t2);font-size:14.5px;line-height:1.75;margin:0}
.rc-mono{font-family:var(--mono);letter-spacing:.02em}
.rc-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:44px}
.rc-sec-head .rc-lead{max-width:560px}

/* ---------- 按钮 ---------- */
.rc-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  overflow:hidden;white-space:nowrap;
  transition:transform .2s ease, box-shadow .25s ease, background-color .25s ease, color .25s ease, border-color .25s ease;
}
.rc-btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.rc-btn-primary{background:var(--primary);color:#0A0C0B}
.rc-btn-primary::after{
  content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);
  transform:skewX(-18deg);pointer-events:none;
}
.rc-btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(23,230,161,.4), 0 14px 32px rgba(23,230,161,.28)}
.rc-btn-primary:hover::after{animation:rc-shine .55s ease}
.rc-btn-primary:active{transform:translateY(0)}
.rc-btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.rc-btn-ghost:hover{border-color:rgba(23,230,161,.55);color:var(--primary);background:var(--primary-soft)}
@keyframes rc-shine{to{left:145%}}

/* ---------- 顶部导航 ---------- */
.rc-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:76px;display:flex;align-items:center;
  background:rgba(10,12,11,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:height .3s ease,background-color .3s ease;
}
.rc-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.7),transparent);
}
.rc-header.is-scrolled{height:60px;background:rgba(10,12,11,.97)}
.rc-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.rc-logo{display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:900;letter-spacing:-.01em;flex:none}
.rc-logo-dot{
  width:8px;height:8px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px var(--primary);flex:none;
}
.rc-menu{display:flex;align-items:center;gap:4px}
.rc-menu-link{
  position:relative;padding:10px 14px;border-radius:8px;
  font-size:15px;color:var(--t2);transition:color .2s ease,background-color .2s ease;
}
.rc-menu-link:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.rc-menu-link.is-active{color:var(--primary);text-shadow:0 0 14px rgba(23,230,161,.45)}
.rc-menu-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px var(--primary);
  transform-origin:center;animation:rc-underline .35s ease both;
}
@keyframes rc-underline{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.rc-header-actions{display:flex;align-items:center;gap:12px;flex:none}
.rc-burger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.rc-burger span{display:block;width:18px;height:1.5px;background:var(--t1);transition:transform .25s ease,opacity .25s ease}
.rc-burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.rc-burger.is-open span:nth-child(2){opacity:0}
.rc-burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* 移动端抽屉 */
.rc-drawer{
  position:fixed;inset:0;z-index:55;
  background:rgba(10,12,11,.98);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:104px 24px 32px;
  display:flex;flex-direction:column;
  opacity:0;pointer-events:none;transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease;
}
.rc-drawer.is-open{opacity:1;pointer-events:auto;transform:none}
.rc-drawer-nav{display:flex;flex-direction:column}
.rc-drawer-link{
  padding:18px 4px;font-size:18px;font-weight:700;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.rc-drawer-link.is-active{color:var(--primary)}
.rc-drawer-foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:12px}
.rc-drawer-foot .rc-btn{width:100%}

/* ---------- 栏目头 ---------- */
.rc-page-head{position:relative;padding:150px 0 78px;overflow:hidden}
.rc-page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.rc-page-head::after{
  content:"";position:absolute;top:-180px;right:-140px;width:660px;height:660px;pointer-events:none;
  background:radial-gradient(circle,rgba(23,230,161,.18),transparent 62%);
}
.rc-crumb{
  position:relative;z-index:1;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-family:var(--mono);font-size:13px;color:var(--t3);margin-bottom:30px;letter-spacing:.04em;
}
.rc-crumb a{transition:color .2s ease}
.rc-crumb a:hover{color:var(--primary)}
.rc-crumb .is-current{color:var(--primary)}
.rc-head-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;
}
.rc-head-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.rc-kv-media{
  position:relative;margin:0;border-radius:var(--radius-kv);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg-2);
}
.rc-kv-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.rc-kv-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,12,11,.05),rgba(10,12,11,.72));
}
.rc-kv-media figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-family:var(--mono);font-size:13px;color:var(--t2);letter-spacing:.04em;
}

/* ---------- 指标条 ---------- */
.rc-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-1);overflow:hidden;
}
.rc-metric{padding:30px 26px;position:relative}
.rc-metric + .rc-metric{border-left:1px solid var(--line)}
.rc-metric-num{
  font-family:var(--mono);font-size:clamp(30px,4vw,42px);font-weight:700;line-height:1;
  color:var(--primary);letter-spacing:-.02em;margin-bottom:12px;
}
.rc-metric-label{font-size:15.5px;font-weight:700;color:var(--t1);margin:0 0 6px}
.rc-metric-note{font-size:13.5px;color:var(--t3);line-height:1.7;margin:0}

/* ---------- 卡片矩阵 ---------- */
.rc-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rc-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px 26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-card:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.45);box-shadow:var(--glow)}
.rc-card-icon{
  width:46px;height:46px;border-radius:12px;margin-bottom:20px;
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(23,230,161,.28);
}
.rc-card-icon svg{width:26px;height:26px}
.rc-card p{margin:0;color:var(--t2);font-size:14.8px;line-height:1.8}

/* ---------- 处置流程 ---------- */
.rc-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.rc-flow-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rc-flow-item:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.45);box-shadow:var(--glow)}
.rc-flow-idx{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;
  font-family:var(--mono);font-size:13px;color:var(--primary);letter-spacing:.1em;
}
.rc-flow-idx::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.rc-flow-item p{margin:0;color:var(--t2);font-size:14.5px;line-height:1.78}
.rc-alert{
  display:inline-flex;align-items:center;gap:10px;margin-top:26px;
  padding:12px 18px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,75,43,.4);background:rgba(255,75,43,.09);
  color:#FF8A72;font-size:14px;font-weight:700;
}
.rc-alert .rc-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);flex:none}

/* ---------- 自查清单 ---------- */
.rc-check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 22px}
.rc-check{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:12px;
  transition:transform .25s ease,border-color .25s ease;
}
.rc-check:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.4)}
.rc-check svg{width:20px;height:20px;flex:none;margin-top:4px;color:var(--primary)}
.rc-check-t{font-size:15.5px;font-weight:700;margin:0 0 4px;color:var(--t1)}
.rc-check-d{font-size:14px;line-height:1.7;color:var(--t2);margin:0}

/* ---------- FAQ ---------- */
.rc-faq{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.rc-faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .25s ease;
}
.rc-faq-item[open]{border-color:rgba(23,230,161,.45)}
.rc-faq-q{
  display:flex;align-items:center;gap:16px;padding:19px 22px;cursor:pointer;
  font-size:16px;font-weight:700;list-style:none;
}
.rc-faq-q::-webkit-details-marker{display:none}
.rc-faq-idx{font-family:var(--mono);font-size:13.5px;color:var(--primary);flex:none;letter-spacing:.06em}
.rc-faq-arrow{margin-left:auto;color:var(--t3);transition:transform .25s ease,color .25s ease;flex:none}
.rc-faq-item[open] .rc-faq-arrow{transform:rotate(90deg);color:var(--primary)}
.rc-faq-a{
  padding:0 22px 22px 58px;color:var(--t2);font-size:15px;line-height:1.9;
  animation:rc-fade .3s ease both;
}
@keyframes rc-fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- CTA ---------- */
.rc-cta{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-kv);
  overflow:hidden;background:var(--bg-1);box-shadow:var(--shadow);
}
.rc-cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.22;
}
.rc-cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(10,12,11,.96),rgba(10,12,11,.72));
}
.rc-cta-inner{
  position:relative;z-index:2;padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.rc-cta-inner .rc-h2{margin-bottom:8px}
.rc-cta-note{color:var(--t2);font-size:15px;line-height:1.8;margin:0;max-width:560px}
.rc-cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.rc-footer{
  position:relative;margin-top:40px;padding:66px 0 28px;
  background:var(--bg-1);border-top:1px solid var(--line);
}
.rc-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.6),transparent);
}
.rc-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.rc-footer-grid h4{font-size:15px;font-weight:700;margin:0 0 16px;color:var(--t1)}
.rc-footer-brand{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:900;margin-bottom:14px}
.rc-footer-note{color:var(--t2);font-size:14.5px;line-height:1.8;margin:0;max-width:330px}
.rc-footer-links{display:flex;flex-direction:column;gap:10px}
.rc-footer-links a{color:var(--t2);font-size:14.5px;display:inline-block;transition:color .2s ease,transform .2s ease}
.rc-footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.rc-footer-meta{display:flex;flex-direction:column;gap:10px;color:var(--t2);font-size:14.5px}
.rc-qr{
  margin-top:8px;width:112px;height:112px;border-radius:12px;
  border:1px dashed rgba(23,230,161,.4);background:var(--bg-2);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;line-height:1.6;color:var(--t3);
}
.rc-footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-family:var(--mono);font-size:13px;color:var(--t3);letter-spacing:.03em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .rc-head-grid{grid-template-columns:1fr;gap:34px}
  .rc-card-grid{grid-template-columns:repeat(2,1fr)}
  .rc-flow{grid-template-columns:repeat(2,1fr)}
  .rc-footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}
@media (max-width:899px){
  .rc-menu{display:none}
  .rc-header-actions .rc-btn{display:none}
  .rc-burger{display:flex}
}
@media (max-width:767px){
  .rc-section{padding:64px 0}
  .rc-section-tight{padding:52px 0}
  .rc-page-head{padding:128px 0 58px}
  .rc-metrics{grid-template-columns:1fr}
  .rc-metric + .rc-metric{border-left:0;border-top:1px solid var(--line)}
  .rc-cta-inner{padding:34px 24px}
  .rc-sec-head{margin-bottom:32px}
}
@media (max-width:640px){
  .rc-container{padding:0 16px}
  .rc-card-grid{grid-template-columns:1fr}
  .rc-flow{grid-template-columns:1fr}
  .rc-check-grid{grid-template-columns:1fr}
  .rc-footer-grid{grid-template-columns:1fr}
  .rc-footer-bottom{justify-content:flex-start}
  .rc-faq-a{padding:0 20px 20px 20px}
  .rc-btn{width:100%}
  .rc-head-actions{margin-top:26px}
  .rc-cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --bg-0:#0A0C0B;
  --bg-1:#111614;
  --bg-2:#18201C;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.14);
  --accent:#FF4B2B;
  --text:#F4F7F5;
  --text-2:#A7B3AD;
  --text-3:#6E7A74;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-kv:18px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(23,230,161,.35),0 10px 34px rgba(23,230,161,.16);
  --font-mono:ui-monospace,"SFMono-Regular","Barlow Condensed",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.01em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(23,230,161,.3);color:#fff}

.rc-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.rc-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.rc-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,11,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.rc-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.75),transparent);
  pointer-events:none;
}
.rc-header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;transition:height .3s ease;
}
.rc-header.is-scrolled{background:rgba(10,12,11,.97)}
.rc-header.is-scrolled .rc-header-inner{height:60px}
.rc-logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:21px;font-weight:900;letter-spacing:.08em;
  color:var(--text);flex:0 0 auto;
}
.rc-logo-dot{
  width:8px;height:8px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(23,230,161,.9);
}
.rc-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.rc-menu-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);
  transition:color .25s ease;white-space:nowrap;
}
.rc-menu-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(23,230,161,.8);
  transition:left .3s ease,right .3s ease;
}
.rc-menu-link:hover{color:var(--text)}
.rc-menu-link:hover::after{left:12px;right:12px}
.rc-menu-link.is-active{color:var(--primary)}
.rc-menu-link.is-active::after{left:12px;right:12px}
.rc-header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.rc-btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:700;border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.rc-btn::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 32%,rgba(255,255,255,.38) 50%,transparent 68%);
  transform:translateX(-130%);transition:transform .5s ease;
}
.rc-btn:hover::before{transform:translateX(130%)}
.rc-btn-primary{background:var(--primary);color:#0A0C0B}
.rc-btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(23,230,161,.5),0 12px 30px rgba(23,230,161,.28)}
.rc-btn-ghost{border-color:var(--line-strong);color:var(--text)}
.rc-btn-ghost:hover{border-color:rgba(23,230,161,.55);color:var(--primary)}
.rc-btn-lg{height:50px;padding:0 28px;font-size:15.5px}

.rc-burger{
  display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line-strong);border-radius:10px;
}
.rc-burger span{width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .3s ease,opacity .3s ease}
.rc-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.rc-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.rc-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.rc-drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:55;
  padding:24px 20px 40px;overflow-y:auto;
  background:rgba(10,12,11,.98);backdrop-filter:blur(16px);
  opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
  display:flex;flex-direction:column;
}
.rc-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.rc-drawer-link{
  padding:16px 4px;font-size:17px;font-weight:700;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .25s ease;
}
.rc-drawer-link.is-active{color:var(--primary)}
.rc-drawer-cta{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}

/* ---------- hero ---------- */
.rc-hero{position:relative;overflow:hidden;padding:76px 0 68px;background:var(--bg-0)}
.rc-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.2;
}
.rc-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--bg-0) 6%,rgba(10,12,11,.78) 52%,rgba(10,12,11,.4));
}
.rc-hero::before{
  content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,230,161,.16),transparent 68%);
  pointer-events:none;
}
.rc-hero-inner{position:relative;z-index:1}
.rc-crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:13.5px;color:var(--text-3);
}
.rc-crumb a{transition:color .25s ease}
.rc-crumb a:hover{color:var(--primary)}
.rc-crumb .rc-sep{color:rgba(255,255,255,.22)}
.rc-crumb .is-current{color:var(--primary)}
.rc-eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin-top:26px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.22em;color:var(--primary);
}
.rc-eyebrow::before{content:"";width:28px;height:1px;background:var(--primary)}
.rc-h1{font-size:clamp(34px,5.2vw,60px);line-height:1.06;margin:18px 0 16px;max-width:14em}
.rc-lead{font-size:17px;line-height:1.8;color:var(--text-2);max-width:640px}
.rc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.rc-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:52px;border-top:1px solid var(--line);
}
.rc-metric{padding:22px 24px 6px 0;border-right:1px solid var(--line)}
.rc-metric:last-child{border-right:0}
.rc-metric-num{
  font-family:var(--font-mono);font-size:clamp(26px,3.2vw,38px);
  font-weight:700;line-height:1;color:var(--primary);
  letter-spacing:-.01em;
}
.rc-metric-num small{font-size:.5em;color:var(--text-2);margin-left:6px;font-weight:400}
.rc-metric-label{margin-top:10px;font-size:13.5px;color:var(--text-3)}

/* ---------- sections ---------- */
.rc-section{padding:92px 0;position:relative}
.rc-section--tight{padding:72px 0}
.rc-section--alt{background:var(--bg-1)}
.rc-hairline{height:1px;background:linear-gradient(90deg,transparent,rgba(23,230,161,.45),transparent)}
.rc-section-head{max-width:720px;margin-bottom:44px}
.rc-h2{font-size:clamp(26px,3.2vw,38px);line-height:1.15}
.rc-section-note{margin-top:14px;font-size:16px;color:var(--text-2);max-width:620px}
.rc-h3{font-size:19px;line-height:1.4}

/* ---------- table ---------- */
.rc-table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-1);box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
table.rc-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.rc-table th,.rc-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:center;vertical-align:middle}
.rc-table thead th{
  background:var(--bg-2);font-size:13.5px;font-weight:700;letter-spacing:.06em;
  color:var(--text-2);white-space:nowrap;
}
.rc-table thead th:first-child{color:var(--text)}
.rc-table td:first-child,.rc-table th:first-child{text-align:left;font-weight:700;color:var(--text)}
.rc-table tbody tr:nth-child(odd){background:var(--bg-1)}
.rc-table tbody tr:nth-child(even){background:rgba(255,255,255,.018)}
.rc-table tbody tr{transition:background .25s ease}
.rc-table tbody tr:hover{background:var(--primary-soft)}
.rc-table tbody tr:last-child td{border-bottom:0}
.rc-table td .rc-mono{color:var(--primary)}
.rc-table-note{margin-top:16px;font-size:13.5px;color:var(--text-3)}

/* ---------- cards ---------- */
.rc-grid{display:grid;gap:24px}
.rc-grid-2{grid-template-columns:repeat(2,1fr)}
.rc-grid-3{grid-template-columns:repeat(3,1fr)}
.rc-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rc-card:hover{transform:translateY(-2px);border-color:rgba(23,230,161,.45);box-shadow:var(--glow)}
.rc-card-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.rc-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rc-card:hover .rc-card-media img{transform:scale(1.03)}
.rc-card-body{padding:22px}
.rc-card-body p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.rc-card-meta{margin-top:16px;font-family:var(--font-mono);font-size:12.5px;color:var(--text-3)}

.rc-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:var(--primary);background:var(--primary-soft);
  border:1px solid rgba(23,230,161,.3);white-space:nowrap;
}
.rc-tag-accent{color:#FFBCAE;background:rgba(255,75,43,.14);border-color:rgba(255,75,43,.36)}
.rc-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* ---------- steps ---------- */
.rc-steps{position:relative;padding-left:34px}
.rc-steps::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(23,230,161,0));
}
.rc-step{position:relative;padding-bottom:32px}
.rc-step:last-child{padding-bottom:0}
.rc-step::before{
  content:"";position:absolute;left:-34px;top:7px;width:10px;height:10px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(23,230,161,.1);
}
.rc-step-num{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--primary)}
.rc-step-title{font-size:19px;font-weight:900;margin-top:6px}
.rc-step-text{margin-top:8px;font-size:15px;color:var(--text-2);max-width:560px}

/* ---------- points ---------- */
.rc-points{display:grid;grid-template-columns:1fr 1fr;gap:4px 44px}
.rc-point{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.rc-point-icon{flex:0 0 22px;color:var(--primary);margin-top:5px}
.rc-point h3{font-size:16.5px;font-weight:700}
.rc-point p{margin-top:6px;font-size:14.5px;color:var(--text-2)}

/* ---------- faq ---------- */
.rc-faq{max-width:840px;margin:0 auto}
.rc-faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease;
}
.rc-faq-item[open]{border-color:rgba(23,230,161,.45);box-shadow:var(--glow)}
.rc-faq-q{
  display:flex;align-items:center;gap:16px;padding:20px 22px;
  font-size:16.5px;font-weight:700;cursor:pointer;list-style:none;
}
.rc-faq-q::-webkit-details-marker{display:none}
.rc-faq-idx{font-family:var(--font-mono);font-size:13px;color:var(--primary);flex:0 0 auto}
.rc-faq-arrow{margin-left:auto;color:var(--text-2);transition:transform .3s ease,color .3s ease;flex:0 0 auto}
.rc-faq-item[open] .rc-faq-arrow{transform:rotate(90deg);color:var(--primary)}
.rc-faq-a{padding:0 22px 22px 60px;font-size:15px;color:var(--text-2);animation:rcFade .35s ease}
@keyframes rcFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- cta ---------- */
.rc-cta{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px;border-radius:var(--radius-kv);
  border:1px solid rgba(23,230,161,.28);
  background:linear-gradient(120deg,var(--bg-1),rgba(23,230,161,.09));
  box-shadow:var(--shadow);
}
.rc-cta::before{
  content:"";position:absolute;right:-90px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,230,161,.16),transparent 70%);
}
.rc-cta-inner{position:relative;z-index:1;max-width:620px}
.rc-cta h2{font-size:clamp(24px,2.8vw,32px);line-height:1.2}
.rc-cta p{margin-top:14px;font-size:15.5px;color:var(--text-2)}
.rc-cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.rc-footer{
  position:relative;margin-top:8px;padding:64px 0 0;
  background:var(--bg-1);border-top:1px solid var(--line);
}
.rc-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.6),transparent);
}
.rc-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.rc-footer h4{font-size:14px;letter-spacing:.1em;color:var(--text);margin-bottom:16px}
.rc-footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:900;letter-spacing:.08em}
.rc-footer-note{margin-top:14px;font-size:14px;color:var(--text-3);max-width:320px;line-height:1.8}
.rc-footer-links{display:flex;flex-direction:column;gap:10px}
.rc-footer-links a{
  display:inline-block;font-size:14px;color:var(--text-2);
  transition:color .25s ease,transform .25s ease;
}
.rc-footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.rc-footer-meta{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.rc-qr{
  width:96px;height:96px;border:1px dashed rgba(23,230,161,.4);border-radius:10px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.5;color:var(--text-3);background:var(--bg-2);
}
.rc-footer-bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .rc-menu{display:none}
  .rc-burger{display:flex}
  .rc-header-actions{margin-left:auto}
  .rc-grid-3{grid-template-columns:repeat(2,1fr)}
  .rc-points{grid-template-columns:1fr;gap:0}
  .rc-footer-grid{grid-template-columns:1fr 1fr}
  .rc-metrics{grid-template-columns:1fr}
  .rc-metric{border-right:0;border-bottom:1px solid var(--line);padding:20px 0}
  .rc-metric:last-child{border-bottom:0}
  .rc-section{padding:76px 0}
  .rc-cta{padding:34px}
}
@media (max-width:767px){
  .rc-grid-3,.rc-grid-2{grid-template-columns:1fr}
  .rc-hero{padding:56px 0 48px}
  .rc-h1{max-width:none}
}
@media (max-width:639px){
  .rc-container{padding:0 16px}
  .rc-section{padding:60px 0}
  .rc-section--tight{padding:52px 0}
  .rc-header-actions .rc-btn-ghost{display:none}
  .rc-footer-grid{grid-template-columns:1fr;gap:32px}
  .rc-footer-bottom{flex-direction:column;gap:8px}
  .rc-cta{padding:26px 20px;border-radius:14px}
  .rc-faq-a{padding-left:22px}
  .rc-drawer{top:68px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}